/* ============================================
   COMPREHENSIVE WEB3.0 DESIGN - ALL 32 IMPROVEMENTS
   ============================================ */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* ============================================
       COLOR PALETTE
       ============================================ */
    --primary-color: #004aad;
    --primary-dark: #003a8a;
    --primary-light: #0056cc;
    --secondary-color: #00a859;
    --secondary-dark: #008547;
    --secondary-light: #00c066;
    --accent-color: #00a859;
    --accent-light: #00c066;
    
    /* Error & Success Colors */
    --error-color: #ef4444;
    --error-light: rgba(239, 68, 68, 0.1);
    --success-color: #00a859;
    --success-light: rgba(0, 168, 89, 0.1);
    
    /* Text Colors */
    --text-dark: #1e293b;
    --text-medium: #475569;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    
    /* Background Colors */
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark: #1e293b;
    --bg-darker: #0f172a;
    
    /* ============================================
       SPACING SCALE (Improvement #6, #23)
       ============================================ */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 0.75rem;   /* 12px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-2xl: 2.5rem;    /* 40px */
    --spacing-3xl: 3rem;      /* 48px */
    --spacing-4xl: 4rem;      /* 64px */
    --spacing-5xl: 5rem;      /* 80px */
    --spacing-6xl: 6rem;      /* 96px */
    
    /* ============================================
       BORDER RADIUS SCALE (Improvement #31)
       ============================================ */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 50px;
    
    /* ============================================
       SHADOW SCALE SYSTEM (Improvement #11, #30)
       ============================================ */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    
    /* Hover Shadows */
    --shadow-hover-sm: 0 4px 20px rgba(0, 74, 173, 0.1);
    --shadow-hover-md: 0 8px 30px rgba(0, 74, 173, 0.15);
    --shadow-hover-lg: 0 12px 40px rgba(0, 74, 173, 0.2);
    --shadow-hover-xl: 0 20px 60px rgba(0, 74, 173, 0.25);
    
    /* Glow Effects */
    --shadow-glow-blue: 0 0 20px rgba(0, 74, 173, 0.3);
    --shadow-glow-green: 0 0 20px rgba(0, 168, 89, 0.3);
    --shadow-glow-combined: 0 0 30px rgba(0, 74, 173, 0.2), 0 0 20px rgba(0, 168, 89, 0.15);
    
    /* Legacy Support */
    --shadow: var(--shadow-md);
    --shadow-hover: var(--shadow-hover-lg);
    --shadow-glow: var(--shadow-glow-blue);
    
    /* ============================================
       TYPOGRAPHY SCALE (Improvement #5, #25)
       ============================================ */
    --font-size-xs: 0.75rem;    /* 12px - min readable */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 2rem;      /* 32px */
    --font-size-4xl: 2.5rem;    /* 40px */
    --font-size-5xl: 3rem;      /* 48px */
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    --line-height-loose: 1.9;
    
    /* ============================================
       TRANSITIONS & ANIMATIONS (Improvement #13)
       ============================================ */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* ============================================
       Z-INDEX SCALE
       ============================================ */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-navbar: 1000;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: var(--line-height-relaxed);
    color: var(--text-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern" 1;
    text-rendering: optimizeLegibility;
    background: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    width: 100%;
    box-sizing: border-box;
}

/* ============================================
   NAVIGATION (Improvement #20)
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    /* Fallback for browsers without backdrop-filter (Improvement #14) */
    background: rgba(255, 255, 255, 0.99);
    box-shadow: var(--shadow-xs);
    z-index: var(--z-navbar);
    transition: var(--transition);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md), var(--shadow-glow-blue);
    background: rgba(255, 255, 255, 0.99);
}

.navbar.scrolled .nav-wrapper {
    padding: var(--spacing-sm) 0;
    min-height: 70px;
}

.navbar.scrolled .logo-image {
    height: 80px;
    max-width: 250px;
}

.navbar.scrolled .logo-tagline {
    font-size: var(--font-size-xs);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    min-height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
    color: inherit;
    gap: var(--spacing-xs);
}

.logo-image {
    height: 110px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
    display: block;
    max-width: 320px;
}

.logo:hover .logo-image {
    transform: scale(1.05);
}

.logo-tagline {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin: 0;
    font-weight: 400;
    line-height: var(--line-height-tight);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: var(--transition);
    position: relative;
    letter-spacing: 0.01em;
    padding: var(--spacing-xs) 0;
    display: inline-block;
}

.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    width: 100%;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

/* Focus states for accessibility (Improvement #2) */
.nav-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
    border-radius: 4px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    background: rgba(0, 74, 173, 0.05);
}

.menu-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu Backdrop (Improvement #20) */
.menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 999;
}

.menu-backdrop.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background-image: url('assets/images/anirudh-aKG5MPuJbKA-unsplash.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: white;
    text-align: center;
    overflow: hidden;
    padding-top: 80px;
    box-sizing: border-box;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    height: calc(100vh - 80px);
    min-height: calc(100vh - 80px);
    box-sizing: border-box;
    padding: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.85) 0%, rgba(0, 168, 89, 0.85) 100%);
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0, 168, 89, 0.2) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: clamp(1rem, 4vh, var(--spacing-xl)) clamp(1rem, 4vh, var(--spacing-xl)) clamp(1rem, 2vh, var(--spacing-md));
    animation: fadeInUp 1s ease;
    margin: 0 auto;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.5rem, 5vw + 2vh, 4.5rem);
    font-weight: 900;
    margin-bottom: clamp(var(--spacing-md), 2vh, var(--spacing-lg));
    line-height: var(--line-height-tight);
    letter-spacing: -0.04em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease;
    text-align: center;
}

.hero-subtitle {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.25rem, 2.5vw + 1vh, 2rem);
    font-weight: 700;
    margin-bottom: clamp(var(--spacing-xs), 1.5vh, var(--spacing-md));
    opacity: 0.95;
    letter-spacing: -0.02em;
    animation: fadeInUp 1s ease 0.2s both;
    text-align: center;
}

.hero-tagline {
    font-size: clamp(var(--font-size-sm), 1.2vw + 0.5vh, var(--font-size-lg));
    font-weight: 500;
    margin-bottom: clamp(var(--spacing-md), 2vh, var(--spacing-lg));
    opacity: 0.85;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 0.3s both;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
}

.hero-description {
    font-size: clamp(var(--font-size-base), 1.5vw + 0.5vh, var(--font-size-xl));
    margin-bottom: clamp(var(--spacing-lg), 3vh, var(--spacing-2xl));
    opacity: 0.92;
    line-height: var(--line-height-loose);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.4s both;
    font-weight: 400;
    letter-spacing: 0.01em;
    text-align: center;
}

.hero-buttons {
    display: flex;
    gap: clamp(var(--spacing-sm), 1.5vh, var(--spacing-md));
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    margin-bottom: clamp(var(--spacing-md), 2vh, var(--spacing-lg));
    margin-top: clamp(var(--spacing-sm), 2vh, var(--spacing-md));
}

/* ============================================
   BUTTONS (Improvement #8, #26)
   ============================================ */
.btn {
    padding: var(--spacing-md) var(--spacing-2xl);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease 0.6s both;
    letter-spacing: 0.02em;
    min-height: 48px;
    will-change: transform;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    color: var(--primary-color);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.8) inset, var(--shadow-glow-blue);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-hover-xl), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.9) inset;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    /* Fallback */
    background: rgba(255, 255, 255, 0.25);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
    border-radius: var(--radius-full);
}

.btn-brochure {
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.9) 0%, rgba(0, 168, 89, 0.7) 100%);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    /* Fallback */
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.95) 0%, rgba(0, 168, 89, 0.85) 100%);
    box-shadow: var(--shadow-md), var(--shadow-glow-green);
}

.btn-brochure:hover {
    background: linear-gradient(135deg, rgba(0, 168, 89, 1) 0%, rgba(0, 200, 102, 0.9) 100%);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover-lg), var(--shadow-glow-green);
}

.btn-brochure span {
    font-size: var(--font-size-lg);
    display: inline-block;
    transition: transform 0.3s ease;
}

.btn-brochure:hover span {
    transform: scale(1.2) rotate(5deg);
}

.btn-brochure-small {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    display: inline-block;
    margin-top: var(--spacing-sm);
    width: auto;
    max-width: 100%;
    min-height: 44px;
}

.brochure-download-item .btn-brochure-small {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    color: white;
    border: none;
    box-shadow: var(--shadow-md), var(--shadow-glow-green);
}

.brochure-download-item .btn-brochure-small:hover {
    background: linear-gradient(135deg, var(--secondary-light) 0%, var(--secondary-color) 100%);
    box-shadow: var(--shadow-hover-md), var(--shadow-glow-green);
    transform: translateY(-2px);
}

/* Loading State (Improvement #16) */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

.btn-primary.loading::after {
    border-color: rgba(0, 74, 173, 0.3);
    border-top-color: var(--primary-color);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.brochure-download-item {
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.08), rgba(0, 74, 173, 0.08));
    border: 1px solid rgba(0, 168, 89, 0.3);
    position: relative;
    overflow: hidden;
}

.brochure-download-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0.6;
}

.brochure-download-item:hover {
    border-color: rgba(0, 168, 89, 0.5);
    box-shadow: var(--shadow-hover-md), var(--shadow-glow-green), 0 0 0 1px rgba(255, 255, 255, 0.7) inset;
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.12), rgba(0, 74, 173, 0.12));
    transform: translateX(5px);
}

.brochure-download-item .info-icon {
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.15), rgba(0, 74, 173, 0.15));
    border: 1px solid rgba(0, 168, 89, 0.2);
}

.brochure-download-item:hover .info-icon {
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.2), rgba(0, 74, 173, 0.2));
    border-color: rgba(0, 168, 89, 0.4);
    box-shadow: var(--shadow-md), var(--shadow-glow-green);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
}

@media (max-width: 768px) {
    .scroll-indicator {
        bottom: 20px;
        z-index: 10;
    }
    
    .scroll-indicator span {
        width: 28px;
        height: 48px;
        border-width: 2px;
    }
}

@media (max-width: 576px) {
    .scroll-indicator {
        bottom: 15px;
        z-index: 10;
    }
    
    .scroll-indicator span {
        width: 26px;
        height: 44px;
        border-width: 2px;
    }
    
    .scroll-indicator span::before {
        width: 5px;
        height: 5px;
    }
}

@media (max-width: 480px) {
    .scroll-indicator {
        bottom: 10px;
        z-index: 10;
    }
    
    .scroll-indicator span {
        width: 24px;
        height: 40px;
        border-width: 2px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    }
    
    .scroll-indicator span::before {
        width: 4px;
        height: 4px;
        top: 8px;
    }
}

/* Only hide on very small screens with very little height */
@media (max-width: 480px) and (max-height: 500px) {
    .scroll-indicator {
        display: none;
    }
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    position: relative;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: var(--radius-full);
    animation: scroll 2s infinite;
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.5);
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* ============================================
   STATISTICS SECTION
   ============================================ */
.statistics {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

.statistics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 168, 89, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.statistics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.statistic-item {
    text-align: center;
    padding: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-slow);
    will-change: transform;
}

.statistic-item:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-combined);
    border-color: rgba(255, 255, 255, 0.4);
}

.statistic-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    transition: var(--transition);
}

.statistic-item:hover .statistic-icon {
    transform: scale(1.2) rotate(5deg);
}

.statistic-number {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-tight);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff, rgba(255, 255, 255, 0.9));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.statistic-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    opacity: 0.95;
    letter-spacing: 0.02em;
}

/* ============================================
   SECTION STYLES (Improvement #4, #6, #18)
   ============================================ */
section {
    padding: var(--spacing-6xl) 0;
    position: relative;
    scroll-margin-top: 100px;
}

section:first-of-type {
    scroll-margin-top: 80px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
    line-height: var(--line-height-tight);
}

.section-subtitle {
    font-size: clamp(var(--font-size-base), 1.5vw, var(--font-size-xl));
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* ============================================
   SERVICES SECTION (Improvement #4, #6, #29, #31)
   ============================================ */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
}

.service-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    /* Fallback */
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    background-size: 200% 100%;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    animation: gradientShift 3s ease infinite;
    box-shadow: 0 0 20px rgba(0, 74, 173, 0.5);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    border-color: rgba(0, 74, 173, 0.3);
    background: rgba(255, 255, 255, 0.95);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.1), rgba(0, 168, 89, 0.1));
    border-radius: var(--radius-lg);
    transition: var(--transition-slow);
    filter: grayscale(0.2);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    position: relative;
    overflow: hidden;
    will-change: transform;
    min-width: 44px;
    min-height: 44px;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 74, 173, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.15) rotate(5deg);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.15), rgba(0, 168, 89, 0.15));
    filter: grayscale(0);
    box-shadow: var(--shadow-hover-lg), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
}

.service-card:hover .service-icon::before {
    opacity: 1;
    animation: rotate 3s linear infinite;
}

.service-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
    font-weight: 700;
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--text-medium);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-lg);
}

.service-tech {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    font-size: var(--font-size-sm);
    color: var(--text-medium);
    line-height: var(--line-height-normal);
}

.service-tech strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* ============================================
   ABOUT SECTION (Improvement #4, #6, #10)
   ============================================ */
.about {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-5xl);
    align-items: center;
}

.about-text {
    /* Removed h2 margin as section-header now handles it */
}

.about-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-lg);
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.03), rgba(0, 168, 89, 0.03));
    transition: var(--transition);
    will-change: transform;
}

.stat-item:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: var(--shadow-hover-md), var(--shadow-glow-green), 0 0 0 1px rgba(255, 255, 255, 0.7) inset;
    background: rgba(255, 255, 255, 0.8);
}

.stat-item h3 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(var(--font-size-3xl), 3vw, var(--font-size-5xl));
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-tight);
    letter-spacing: -0.02em;
}

.stat-item p {
    color: var(--text-medium);
    font-weight: 600;
    font-size: var(--font-size-base);
}

.about-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    will-change: transform;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.image-placeholder:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-2xl);
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   PRODUCTS/TECHNOLOGIES SECTION (Improvement #4, #6, #31)
   ============================================ */
.products {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-2xl);
}

.product-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    /* Fallback */
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition-slow);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    will-change: transform;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.02), rgba(0, 168, 89, 0.02));
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.product-card:hover::after {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    border-color: rgba(0, 74, 173, 0.3);
    background: rgba(255, 255, 255, 0.95);
}

.product-image {
    height: 280px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-lg);
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transition: var(--transition);
}

.product-card:hover .product-image::before {
    transform: scale(1.2);
}

.product-info {
    padding: var(--spacing-2xl);
    overflow: hidden;
    word-wrap: break-word;
}

.product-info h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
    font-weight: 700;
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    max-width: 100%;
    overflow: hidden;
}

.product-info p {
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-lg);
}

.product-features {
    list-style: none;
    margin: 0;
    padding: 0;
    margin-top: var(--spacing-md);
}

.product-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-light);
    position: relative;
    padding-left: calc(var(--spacing-lg) + 4px);
    min-height: 44px;
    display: flex;
    align-items: center;
    line-height: var(--line-height-normal);
}

.product-features li:first-child {
    padding-top: 0;
}

.product-features li:last-child {
    padding-bottom: 0;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: var(--font-size-lg);
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 168, 89, 0.1);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .product-features {
        margin-top: var(--spacing-sm);
    }
    
    .product-features li {
        padding: var(--spacing-xs) 0;
        padding-left: calc(var(--spacing-md) + 4px);
        font-size: var(--font-size-sm);
    }
    
    .product-features li::before {
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .product-features li {
        padding-left: calc(var(--spacing-md) + 2px);
        min-height: 40px;
    }
    
    .product-features li::before {
        width: 18px;
        height: 18px;
        min-width: 18px;
        min-height: 18px;
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   FAQ SECTION (Improvement #1, #4, #6, #31)
   ============================================ */
.faq {
    background: var(--bg-light);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    /* Fallback */
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    border: 1px solid rgba(255, 255, 255, 0.5);
    overflow: hidden;
    transition: var(--transition);
    will-change: transform;
}

.faq-item:hover {
    box-shadow: var(--shadow-hover-sm);
    border-color: rgba(0, 74, 173, 0.2);
}

.faq-item.active {
    box-shadow: var(--shadow-hover-lg), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    border-color: rgba(0, 74, 173, 0.4);
    background: rgba(255, 255, 255, 0.95);
    transform: scale(1.01);
}

.faq-question {
    padding: var(--spacing-xl) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: white;
    transition: var(--transition);
    min-height: 44px;
}

.faq-question:hover {
    background: rgba(0, 74, 173, 0.02);
}

.faq-item.active .faq-question {
    background: rgba(0, 74, 173, 0.04);
}

.faq-question h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    flex: 1;
    text-align: left;
    letter-spacing: -0.01em;
    line-height: var(--line-height-relaxed);
}

.faq-toggle {
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--primary-color);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(0, 74, 173, 0.1);
    line-height: 1;
    will-change: transform;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow-md);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 var(--spacing-lg);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--text-light);
    line-height: var(--line-height-loose);
    margin: 0;
    font-size: var(--font-size-base);
}

/* ============================================
   CONTACT SECTION (Improvement #3, #6, #19, #26)
   ============================================ */
.contact {
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-5xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.info-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    /* Fallback */
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    transition: var(--transition);
    will-change: transform;
}

.info-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-hover-md), 0 0 0 1px rgba(255, 255, 255, 0.7) inset;
    border-color: rgba(0, 74, 173, 0.2);
    background: rgba(255, 255, 255, 0.95);
}

.info-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    min-width: 64px;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.1), rgba(0, 168, 89, 0.1));
    border-radius: var(--radius-md);
    transition: var(--transition);
    will-change: transform;
}

.info-item:hover .info-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.15), rgba(0, 168, 89, 0.15));
    box-shadow: var(--shadow-md);
}

.info-item h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.info-item p {
    color: var(--text-light);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-lg);
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-white);
    color: var(--text-dark);
    width: 100%;
    min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover-md), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.7) inset;
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px) scale(1.01);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Focus states (Improvement #2) */
.form-group input:focus-visible,
.form-group textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Form validation states (Improvement #3) */
.form-group.error input,
.form-group.error textarea {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px var(--error-light);
}

.form-group.success input,
.form-group.success textarea {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px var(--success-light);
}

/* Form success message (Improvement #19) */
.form-success-message {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--success-light), rgba(0, 74, 173, 0.1));
    border: 2px solid var(--success-color);
    border-radius: var(--radius-md);
    color: var(--success-color);
    font-weight: 600;
    text-align: center;
    margin-top: var(--spacing-lg);
    display: none;
    animation: slideDown 0.3s ease;
}

.form-success-message.show {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   FOOTER (Improvement #7, #32)
   ============================================ */
.footer {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: white;
    padding: var(--spacing-4xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 74, 173, 0.5), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    font-family: 'Poppins', sans-serif;
    margin-bottom: var(--spacing-md);
    color: var(--accent-color);
    font-weight: 700;
    letter-spacing: -0.01em;
    font-size: var(--font-size-lg);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.85);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    min-height: 44px;
    line-height: 1.5;
    padding: var(--spacing-xs) 0;
}

.footer-section a:hover {
    color: var(--secondary-light);
    transform: translateX(4px);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.social-links a {
    min-height: 44px;
    line-height: 1.5;
    padding: var(--spacing-xs) 0;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.footer-bottom p:last-child {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    opacity: 0.85;
}

/* ============================================
   SCROLL TO TOP BUTTON (Improvement #17)
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow-combined);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: var(--z-fixed);
    will-change: transform, opacity;
    min-width: 50px;
    min-height: 50px;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-xl), var(--shadow-glow-combined);
}

.scroll-to-top:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
}

.scroll-to-top svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   ANIMATIONS (Improvement #13)
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Smooth scroll reveal animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   ACCESSIBILITY (Improvement #13)
   ============================================ */

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .scroll-to-top,
    .service-card,
    .product-card,
    .info-item,
    .faq-item {
        will-change: auto;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .service-card,
    .product-card,
    .info-item,
    .faq-item {
        border: 2px solid var(--text-dark);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* ============================================
   WHY CHOOSE US SECTION
   ============================================ */
.why-choose-us {
    background: var(--bg-light);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

@media (max-width: 992px) {
    .why-choose-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .why-choose-grid {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .why-choose-grid {
        gap: var(--spacing-md);
    }
}

.why-choose-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

@media (max-width: 768px) {
    .why-choose-card {
        padding: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .why-choose-card {
        padding: var(--spacing-lg);
    }
}

.why-choose-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.why-choose-card:hover::before {
    transform: scaleX(1);
}

.why-choose-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    border-color: rgba(0, 74, 173, 0.3);
}

.why-choose-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.1), rgba(0, 168, 89, 0.1));
    border-radius: var(--radius-lg);
    transition: var(--transition-slow);
    box-shadow: var(--shadow-md);
    min-width: 44px;
    min-height: 44px;
}

@media (max-width: 768px) {
    .why-choose-icon {
        font-size: 3rem;
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .why-choose-icon {
        font-size: 2.5rem;
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }
}

.why-choose-card:hover .why-choose-icon {
    transform: scale(1.15) rotate(5deg);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.15), rgba(0, 168, 89, 0.15));
    box-shadow: var(--shadow-hover-lg);
}

.why-choose-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    font-weight: 700;
    line-height: var(--line-height-tight);
}

@media (max-width: 768px) {
    .why-choose-card h3 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .why-choose-card h3 {
        font-size: var(--font-size-base);
    }
}

.why-choose-card p {
    color: var(--text-medium);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
}

@media (max-width: 480px) {
    .why-choose-card p {
        font-size: var(--font-size-sm);
        line-height: var(--line-height-normal);
    }
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process {
    background: var(--bg-light);
}

.process-timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    padding: var(--spacing-xl) 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-4xl);
    position: relative;
}

.process-step:nth-child(odd) {
    flex-direction: row;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.process-number {
    width: 80px;
    height: 80px;
    min-width: 80px;
    min-height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-2xl);
    font-weight: 900;
    box-shadow: var(--shadow-lg), var(--shadow-glow-combined);
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.process-step:hover .process-number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-xl), var(--shadow-glow-combined);
}

.process-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    border: 1px solid rgba(255, 255, 255, 0.5);
    margin: 0 var(--spacing-2xl);
    transition: var(--transition);
    will-change: transform;
}

.process-step:hover .process-content {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
}

.process-content h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    font-weight: 700;
    line-height: var(--line-height-tight);
}

.process-content p {
    color: var(--text-medium);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.process-details {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.process-details li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-lg);
    font-size: var(--font-size-base);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.process-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: var(--font-size-lg);
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 168, 89, 0.1);
    border-radius: var(--radius-full);
}

/* ============================================
   CASE STUDIES SECTION
   ============================================ */
.case-studies {
    background: var(--bg-white);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.case-study-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
    will-change: transform;
}

.case-study-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    border-color: rgba(0, 74, 173, 0.3);
}

.case-study-image {
    height: 220px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-lg);
    position: relative;
    overflow: hidden;
}

.case-study-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transition: var(--transition);
}

.case-study-card:hover .case-study-image::before {
    transform: scale(1.2);
}

.case-study-content {
    padding: var(--spacing-2xl);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    word-wrap: break-word;
}

.case-study-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.1), rgba(0, 168, 89, 0.1));
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    width: fit-content;
}

.case-study-content h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    font-weight: 700;
    line-height: var(--line-height-tight);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.case-study-content > p {
    color: var(--text-medium);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
    flex: 1;
}

.case-study-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.03), rgba(0, 168, 89, 0.03));
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .case-study-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
}

.case-stat {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-medium);
}

.case-stat strong {
    display: block;
    color: var(--primary-color);
    font-weight: 700;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.case-study-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
}

@media (max-width: 576px) {
    .case-study-features {
        grid-template-columns: 1fr;
    }
}

.case-study-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    font-size: var(--font-size-sm);
    min-height: 44px;
    display: flex;
    align-items: center;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.testimonial-card:hover::before {
    transform: scaleX(1);
}

.testimonial-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-combined), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    border-color: rgba(0, 74, 173, 0.3);
}

.testimonial-rating {
    color: #fbbf24;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--text-medium);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
    position: relative;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: -10px;
    font-size: 4rem;
    color: rgba(0, 74, 173, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    min-width: 56px;
    min-height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-xl);
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.testimonial-info h4 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    font-weight: 600;
}

.testimonial-info p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ============================================
   CERTIFICATIONS SECTION
   ============================================ */
.certifications {
    background: var(--bg-light);
}

.certifications-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-5xl);
    align-items: start;
}

@media (min-width: 1200px) {
    .certifications-content {
        grid-template-columns: 1.2fr 0.8fr;
        gap: var(--spacing-6xl);
    }
}

.certifications-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    position: relative;
}

.certifications-text::after {
    content: '';
    position: absolute;
    right: calc(var(--spacing-5xl) * -1);
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(0, 74, 173, 0.2), transparent);
    display: none;
}

@media (min-width: 993px) {
    .certifications-text::after {
        display: block;
    }
}

.certifications-text h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-3xl);
    margin-bottom: 0;
    color: var(--text-dark);
    font-weight: 700;
    line-height: var(--line-height-tight);
}

@media (min-width: 1200px) {
    .certifications-text h3 {
        font-size: clamp(var(--font-size-3xl), 3vw, var(--font-size-4xl));
    }
}

@media (max-width: 768px) {
    .certifications-text h3 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .certifications-text h3 {
        font-size: var(--font-size-xl);
    }
}

.certifications-text > p {
    color: var(--text-medium);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
    max-width: 100%;
}

@media (min-width: 1200px) {
    .certifications-text > p {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 768px) {
    .certifications-text > p {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .certifications-text > p {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-lg);
    }
}

.compliance-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 992px) {
    .compliance-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .compliance-list {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .compliance-list {
        gap: var(--spacing-sm);
    }
}

.compliance-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    will-change: transform;
    height: 100%;
}

@media (min-width: 1200px) {
    .compliance-item {
        padding: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    .compliance-item {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .compliance-item {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
}

.compliance-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-hover-md);
    border-color: rgba(0, 74, 173, 0.2);
}

.compliance-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.1), rgba(0, 74, 173, 0.1));
    border-radius: var(--radius-md);
    transition: var(--transition);
}

@media (min-width: 1200px) {
    .compliance-icon {
        width: 56px;
        height: 56px;
        min-width: 56px;
        min-height: 56px;
        font-size: 2.25rem;
    }
}

@media (max-width: 480px) {
    .compliance-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
        font-size: 1.5rem;
    }
}

.compliance-item:hover .compliance-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-md);
}

.compliance-item h4 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    font-weight: 600;
    line-height: var(--line-height-tight);
}

@media (min-width: 1200px) {
    .compliance-item h4 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 768px) {
    .compliance-item h4 {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .compliance-item h4 {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-xs);
    }
}

.compliance-item p {
    color: var(--text-light);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
    margin: 0;
}

@media (min-width: 1200px) {
    .compliance-item p {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .compliance-item p {
        font-size: var(--font-size-sm);
        line-height: var(--line-height-normal);
    }
}

.certifications-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    position: sticky;
    top: 120px;
    align-self: start;
}

@media (max-width: 992px) {
    .certifications-visual {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .certifications-visual {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .certifications-visual {
        gap: var(--spacing-md);
    }
}

@media (max-width: 992px) {
    .certifications-visual {
        grid-template-columns: 1fr;
    }
    
    .cert-badge:nth-child(3) {
        grid-column: 1;
    }
}

.cert-badge {
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.05), rgba(0, 168, 89, 0.05));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 2px solid rgba(0, 74, 173, 0.1);
    transition: var(--transition);
    will-change: transform;
    flex: 1;
}

@media (min-width: 1200px) {
    .cert-badge {
        padding: var(--spacing-3xl);
    }
}

@media (max-width: 768px) {
    .cert-badge {
        padding: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .cert-badge {
        padding: var(--spacing-lg);
    }
}

@media (min-width: 993px) {
    .cert-badge:nth-child(3) {
        grid-column: auto;
    }
}

@media (max-width: 992px) {
    .cert-badge:nth-child(3) {
        grid-column: 1 / -1;
    }
}

.cert-badge:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-hover-lg), var(--shadow-glow-combined);
    border-color: rgba(0, 74, 173, 0.3);
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.1), rgba(0, 168, 89, 0.1));
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

@media (max-width: 768px) {
    .cert-icon {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .cert-icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-xs);
    }
}

.cert-badge h3 {
    font-family: 'Poppins', sans-serif;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    font-weight: 700;
}

@media (max-width: 768px) {
    .cert-badge h3 {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .cert-badge h3 {
        font-size: var(--font-size-base);
    }
}

.cert-badge p {
    color: var(--text-medium);
    font-size: var(--font-size-base);
    margin: 0;
}

@media (max-width: 480px) {
    .cert-badge p {
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   RESPONSIVE DESIGN (Improvement #15, #25, #26, #27, #28)
   ============================================ */

/* Large Tablets and Small Desktops */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-xl);
    }
}

/* Tablets */
@media (max-width: 992px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    section {
        padding: var(--spacing-5xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-3xl);
    }
    
    .about-content,
    .contact-content,
    .certifications-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .certifications-text h3 {
        font-size: var(--font-size-xl);
    }
    
    .certifications-text > p {
        font-size: var(--font-size-sm);
    }
    
    .compliance-item {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .compliance-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
        font-size: 1.25rem;
    }
    
    .compliance-item h4 {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-xs);
    }
    
    .compliance-item p {
        font-size: var(--font-size-xs);
        line-height: var(--line-height-normal);
    }
    
    .cert-badge {
        padding: var(--spacing-md);
    }
    
    .cert-icon {
        font-size: 1.75rem;
    }
    
    .cert-badge h3 {
        font-size: var(--font-size-sm);
    }
    
    .cert-badge p {
        font-size: var(--font-size-xs);
    }
    
    .process-timeline {
        padding: var(--spacing-xl) 0;
    }
    
    .process-timeline::before {
        left: 30px;
        width: 2px;
    }
    
    .process-step {
        flex-direction: row !important;
        padding-left: var(--spacing-4xl);
        margin-bottom: var(--spacing-3xl);
    }
    
    .process-step:last-child {
        margin-bottom: 0;
    }
    
    .process-number {
        position: absolute;
        left: 0;
        width: 60px;
        height: 60px;
        min-width: 60px;
        min-height: 60px;
        font-size: var(--font-size-lg);
    }
    
    .process-content {
        margin-left: var(--spacing-xl);
        margin-right: 0;
    }
    
    .certifications-visual {
        grid-template-columns: 1fr;
    }
    
    .cert-badge:nth-child(3) {
        grid-column: 1;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

/* Small Tablets and Large Phones */
@media (max-width: 768px) {
    .hero {
        background-attachment: scroll;
        height: 100vh;
        min-height: 100vh;
        padding-top: 100px;
        align-items: flex-start;
    }
    
    .hero .container {
        height: calc(100vh - 100px);
        min-height: calc(100vh - 100px);
    }

    .menu-toggle {
        display: flex;
        min-width: 44px;
        min-height: 44px;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        /* Fallback */
        background: rgba(255, 255, 255, 0.99);
        width: 100%;
        text-align: center;
        transition: var(--transition-slow);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-xl) 0;
        gap: var(--spacing-xs);
        border-top: 1px solid rgba(226, 232, 240, 0.8);
        z-index: var(--z-navbar);
    }

    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: var(--spacing-md) var(--spacing-xl);
        display: block;
        width: 100%;
        min-height: 44px;
        line-height: 44px;
    }
    
    .nav-link:hover {
        background: rgba(0, 74, 173, 0.05);
    }

    .hero-content {
        padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-md);
        padding-top: var(--spacing-3xl);
        margin-top: 0;
        padding-bottom: var(--spacing-md);
    }
    
    .hero-buttons {
        margin-bottom: var(--spacing-md);
    }

    .section-header {
        margin-bottom: var(--spacing-3xl);
    }
    
    .section-header::after {
        width: 50px;
        height: 3px;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding-top: var(--spacing-lg);
    }
    
    .stat-item {
        padding: var(--spacing-lg);
    }

    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .why-choose-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .why-choose-card {
        padding: var(--spacing-lg);
    }
    
    .why-choose-icon {
        font-size: 2.5rem;
        padding: var(--spacing-sm);
    }
    
    .why-choose-card h3 {
        font-size: var(--font-size-base);
    }
    
    .why-choose-card p {
        font-size: var(--font-size-sm);
    }
    
    .case-studies-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .statistics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .process-timeline {
        padding: var(--spacing-lg) 0;
    }
    
    .process-timeline::before {
        left: 20px;
        width: 2px;
    }
    
    .process-step {
        padding-left: var(--spacing-3xl);
        margin-bottom: var(--spacing-2xl);
    }
    
    .process-number {
        width: 50px;
        height: 50px;
        min-width: 50px;
        min-height: 50px;
        font-size: var(--font-size-base);
    }
    
    .process-content {
        margin: 0;
        margin-left: var(--spacing-lg);
        padding: var(--spacing-lg);
    }
    
    .process-content h3 {
        font-size: var(--font-size-lg);
    }
    
    .process-content p {
        font-size: var(--font-size-base);
    }
    
    .case-study-stats {
        grid-template-columns: 1fr;
    }
    
    .case-study-features {
        grid-template-columns: 1fr;
    }
    
    .statistics-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .statistic-item {
        padding: var(--spacing-lg);
    }
    
    .statistic-number {
        font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    }
    
    .statistic-label {
        font-size: var(--font-size-sm);
    }
    
    .why-choose-grid {
        grid-template-columns: 1fr;
    }
    
    .case-studies-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: var(--spacing-2xl) var(--spacing-xl);
    }
    
    .product-info h3 {
        font-size: var(--font-size-xl);
        line-height: var(--line-height-tight);
    }

    .faq-question {
        padding: var(--spacing-lg);
    }
    
    .faq-question h3 {
        font-size: var(--font-size-base);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }

    .hero-buttons .btn-brochure span {
        font-size: var(--font-size-base);
    }

    .info-item {
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
    }

    .info-icon {
        width: 56px;
        height: 56px;
        min-width: 56px;
        min-height: 56px;
        font-size: 2rem;
    }

    .brochure-download-item .btn-brochure-small {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .image-placeholder {
        height: 350px;
    }
    
    .product-image {
        height: 220px;
    }
    
    .scroll-to-top {
        width: 44px;
        height: 44px;
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }
}

/* Mobile Phones */
@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-4xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .scroll-to-top {
        width: 44px;
        height: 44px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
}

/* Small Mobile Phones */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-4xl) 0;
    }
    
    .nav-wrapper {
        padding: var(--spacing-sm) 0;
        min-height: 70px;
    }
    
    .logo-image {
        height: 55px;
        max-width: 220px;
    }
    
    .logo-tagline {
        font-size: var(--font-size-xs);
    }

    .hero {
        padding-top: 90px;
        height: 100vh;
        min-height: 100vh;
    }
    
    .hero .container {
        height: calc(100vh - 90px);
        min-height: calc(100vh - 90px);
    }

    .hero-content {
        padding: clamp(1rem, 3vh, var(--spacing-2xl)) var(--spacing-md) var(--spacing-sm);
        padding-top: clamp(1rem, 3vh, var(--spacing-2xl));
        padding-bottom: var(--spacing-sm);
    }

    .hero-buttons {
        gap: var(--spacing-xs);
        margin-bottom: var(--spacing-sm);
    }

    .hero-buttons .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        min-height: 44px;
    }

    .hero-buttons .btn-brochure span {
        font-size: var(--font-size-sm);
    }

    .service-card,
    .product-info {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .service-icon {
        font-size: 3rem;
        padding: var(--spacing-md);
        min-width: 44px;
        min-height: 44px;
    }
    
    .faq-question {
        padding: var(--spacing-lg) var(--spacing-lg);
    }
    
    .faq-toggle {
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
        font-size: 1.5rem;
    }
    
    .info-item {
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .info-icon {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
        font-size: 1.75rem;
    }

    .brochure-download-item .btn-brochure-small {
        padding: var(--spacing-xs) var(--spacing-lg);
        font-size: var(--font-size-xs);
        width: 100%;
        min-height: 44px;
    }
    
    .image-placeholder {
        height: 300px;
        font-size: var(--font-size-lg);
    }
    
    .product-image {
        height: 200px;
        font-size: var(--font-size-base);
    }
    
    .form-group input,
    .form-group textarea {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
        min-height: 44px;
    }
    
    .btn {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .process-timeline {
        padding: var(--spacing-md) 0;
    }
    
    .process-timeline::before {
        left: 15px;
        width: 2px;
    }
    
    .process-step {
        padding-left: var(--spacing-2xl);
        margin-bottom: var(--spacing-xl);
    }
    
    .process-number {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
        font-size: var(--font-size-sm);
    }
    
    .process-content {
        padding: var(--spacing-md);
        margin-left: var(--spacing-md);
    }
    
    .process-content h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xs);
    }
    
    .process-content p {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .process-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .process-details li {
        font-size: var(--font-size-sm);
        padding-left: var(--spacing-md);
    }
    
    .why-choose-card,
    .testimonial-card,
    .case-study-card {
        padding: var(--spacing-xl);
    }
    
    .case-study-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .statistic-icon {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .why-choose-icon {
        font-size: 3rem;
        padding: var(--spacing-md);
    }
    
    .cert-icon {
        font-size: 2.5rem;
    }
    
    .testimonial-avatar {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
        font-size: var(--font-size-lg);
    }
    
    .case-study-content h3 {
        font-size: var(--font-size-lg);
    }
}

/* Landscape Mobile Optimization (Improvement #28) */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        height: 100vh;
        min-height: 100vh;
        padding-top: 80px;
    }
    
    .hero .container {
        height: calc(100vh - 80px);
        min-height: calc(100vh - 80px);
    }
    
    .hero-content {
        padding: clamp(0.75rem, 2.5vh, var(--spacing-lg)) var(--spacing-md) var(--spacing-xs);
        padding-top: clamp(0.75rem, 2.5vh, var(--spacing-lg));
        padding-bottom: var(--spacing-xs);
    }
    
    .hero-buttons {
        margin-bottom: var(--spacing-xs);
    }
    
    section {
        padding: var(--spacing-4xl) 0;
    }
}