:root {
    /* ========== ENHANCED COLOR SYSTEM ========== */
    /* Primary Colors */
    --color-primary: #0f172a;      /* Deep Navy */
    --color-primary-light: #1e293b; /* Lighter Navy */
    
    /* Secondary Colors */
    --color-secondary: #475569;    /* Cool Gray */
    --color-secondary-light: #f1f5f9;
    
    /* Accent Colors */
    --color-accent-1: #0ea5e9;     /* Sky Blue */
    --color-accent-2: #8b5cf6;     /* Purple */
    --color-accent-3: #10b981;     /* Emerald */
    --color-accent: #0ea5e9;       /* Primary accent (Sky Blue) */
    --color-highlight: #f59e0b;    /* Amber */
    
    /* Gradient Combinations */
    --gradient-primary: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-accent: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0ea5e9 100%);
    
    /* Neutral Tones */
    --color-white: #ffffff;
    --color-off-white: #f8fafc;
    --color-light-gray: #e2e8f0;
    --color-dark-gray: #475569;
    --color-text-dark: #0f172a;
    --color-text-light: #f8fafc;
    --color-bg-light: #f8fafc;
    --color-bg-white: #ffffff;
    --color-border: #e2e8f0;

    /* ========== SPACING ========== */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* ========== ENHANCED TYPOGRAPHY ========== */
    --font-heading: 'Montserrat', 'Inter', sans-serif;    /* Bold, modern */
    --font-subheading: 'Inter', sans-serif;               /* Clean, readable */
    --font-body: 'Inter', system-ui, sans-serif;          /* Main content */
    --font-accent: 'Space Grotesk', monospace;           /* Technical feel */
    
    /* Font Sizes */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    --text-6xl: 3.75rem;   /* 60px */

    /* ========== LAYOUT ========== */
    --container-width: 1200px;
    --header-height: 80px;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.2);
    --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);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    line-height: 1.7;
    background-color: var(--color-bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Typography Hierarchy */
h1 {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h2 {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

h3 {
    font-family: var(--font-subheading);
    font-size: var(--text-2xl);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-family: var(--font-subheading);
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-xs);
}

h5, h6 {
    font-family: var(--font-subheading);
    font-weight: 600;
    color: var(--color-primary-light);
}

/* Technical/accent text */
.tech-text {
    font-family: var(--font-accent);
    letter-spacing: 0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-lg) 0;
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-highlight { color: var(--color-highlight); }

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* ========== ENHANCED BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: var(--text-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    transform: translateX(0);
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--color-accent-1);
    color: var(--color-accent-1);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-accent-1);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}

/* Button size variations */
.btn-sm {
    padding: 10px 20px;
    font-size: var(--text-sm);
}

.btn-lg {
    padding: 20px 40px;
    font-size: var(--text-lg);
    font-weight: 700;
}

/* Button with pulse animation */
.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(14, 165, 233, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(14, 165, 233, 0);
    }
}

/* ========== ENHANCED HEADER & NAVIGATION ========== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    transition: var(--transition);
}

.logo span {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo:hover {
    transform: translateY(-2px);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.nav-link {
    font-weight: 600;
    color: var(--color-primary-light);
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent-1);
}

.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
}

.nav-link.btn-primary {
    padding: 10px 24px;
    border-radius: var(--border-radius);
    margin-left: var(--spacing-sm);
}

.nav-link.btn-primary::after {
    display: none;
}

/* Mobile Menu Toggle */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* ========== ENHANCED HERO SECTION ========== */
.hero {
    background: var(--gradient-hero);
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: var(--color-text-light);
    font-size: var(--text-6xl);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out;
}

.hero p {
    font-size: var(--text-xl);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero .btn {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Page load animation */
body:not(.loaded) * {
    animation-play-state: paused !important;
}

body.loaded .hero h1,
body.loaded .hero p,
body.loaded .hero .btn {
    animation: fadeInUp 0.8s ease-out;
}

body.loaded .hero p {
    animation-delay: 0.2s;
}

body.loaded .hero .btn {
    animation-delay: 0.4s;
}

/* ========== ENHANCED FOOTER ========== */
.footer {
    background: var(--gradient-primary);
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-accent);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: var(--text-xl);
    font-weight: 700;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--color-white);
    transform: translateX(5px);
}

.footer-links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* ========== NEWSLETTER FORM ========== */
.newsletter-form {
    margin-top: var(--spacing-md);
}

.newsletter-form .form-group {
    margin-bottom: var(--spacing-sm);
}

.newsletter-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: var(--text-base);
    transition: var(--transition);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-accent-1);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-btn {
    width: 100%;
    padding: 12px 24px;
    background: var(--gradient-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: var(--spacing-sm);
}

.newsletter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.newsletter-message {
    margin-top: var(--spacing-sm);
    font-size: var(--text-sm);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    display: none;
}

.newsletter-success {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.newsletter-error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Checkbox styles */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--color-accent-1);
}

.checkbox-label span {
    line-height: 1.4;
}

/* ========== SOCIAL MEDIA ICONS ========== */
.social-links {
    display: flex;
    gap: 16px;
    margin-top: var(--spacing-md);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-accent-1);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.social-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Share buttons */
.share-buttons {
    display: flex;
    gap: 12px;
    margin-top: var(--spacing-md);
}

.share-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: var(--transition);
}

.share-button:hover {
    background: var(--color-accent-1);
    transform: translateY(-2px);
}

/* ========== SEARCH FUNCTIONALITY ========== */
.search-container {
    position: relative;
    margin-left: var(--spacing-md);
}

.search-toggle {
    background: none;
    border: none;
    color: var(--color-primary-light);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.search-toggle:hover {
    color: var(--color-accent-1);
    background: rgba(14, 165, 233, 0.1);
}

.search-box {
    position: absolute;
    top: 100%;
    right: 0;
    width: 300px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    display: none;
    z-index: 1001;
    margin-top: 10px;
}

.search-box.active {
    display: block;
    animation: slideDown 0.3s ease;
}

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

.search-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--text-base);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent-1);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.search-results {
    margin-top: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
}

.search-result-item {
    padding: 12px;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition);
}

.search-result-item:hover {
    background: var(--color-off-white);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-title {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.search-result-url {
    font-size: var(--text-sm);
    color: var(--color-dark-gray);
}

.no-results {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--color-dark-gray);
}

/* Mobile search */
@media (max-width: 768px) {
    .search-container {
        margin-left: 0;
        margin-top: var(--spacing-sm);
        width: 100%;
    }
    
    .search-box {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        width: 100%;
        border-radius: 0;
        margin-top: 0;
    }
}

/* ========== ACCESSIBILITY ENHANCEMENTS ========== */
.keyboard-navigation a:focus,
.keyboard-navigation button:focus,
.keyboard-navigation input:focus,
.keyboard-navigation textarea:focus,
.keyboard-navigation select:focus {
    outline: 3px solid var(--color-accent-1);
    outline-offset: 2px;
}

.keyboard-navigation .card:focus-within {
    box-shadow: 0 0 0 3px var(--color-accent-1);
}

/* Reduced motion preferences */
@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;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #000000;
        --color-primary-light: #111111;
        --color-accent-1: #0066cc;
    }
    
    .btn-primary {
        border: 2px solid #000000;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #f8fafc;
        --color-primary-light: #e2e8f0;
        --color-secondary: #cbd5e1;
        --color-secondary-light: #1e293b;
        --color-text-dark: #f1f5f9;
        --color-bg-light: #0f172a;
        --color-bg-white: #1e293b;
        --color-border: #334155;
    }
    
    .header {
        background: rgba(30, 41, 59, 0.95);
    }
    
    .card {
        background: #1e293b;
        border-color: #334155;
    }
}

/* ========== PERFORMANCE OPTIMIZATIONS ========== */
/* Critical CSS (above-the-fold styles) are already inlined or loaded first */

/* Non-critical CSS loading */
.non-critical {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.non-critical.loaded {
    opacity: 1;
}

/* Image optimization */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Font loading optimization */
body {
    font-display: swap;
}

/* ========== ANIMATED COUNTERS ========== */
.counter {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-accent-1);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-heading);
}

.counter + p {
    font-size: var(--text-lg);
    color: var(--color-dark-gray);
    font-weight: 500;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .btn,
    .search-container,
    .social-links,
    .share-buttons,
    .newsletter-form {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    .container {
        width: 100%;
        max-width: none;
        padding: 0;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 0.9em;
        font-weight: normal;
    }
    
    /* Hide interactive elements in print */
    .counter,
    .search-toggle,
    .newsletter-form,
    .social-links {
        display: none !important;
    }
}

.footer .logo {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.footer .logo span {
    -webkit-text-fill-color: var(--color-white);
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--spacing-lg);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ========== ENHANCED CARDS ========== */
.card {
    background: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px) scale(1.02);
    border-color: var(--color-accent-1);
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    transition: transform 0.5s ease;
}

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

/* Card variations */
.card-gradient {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-off-white) 100%);
    border: none;
}

.card-accent {
    background: var(--gradient-accent);
    color: var(--color-white);
}

.card-accent h3,
.card-accent p {
    color: var(--color-white);
}

/* Card grid enhancements */
.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

/* ========== CUSTOM SVG ICONS ========== */
.icon {
    width: 64px;
    height: 64px;
    fill: currentColor;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.icon-sm {
    width: 32px;
    height: 32px;
}

.icon-lg {
    width: 96px;
    height: 96px;
}

.icon-primary {
    color: var(--color-accent-1);
}

.icon-secondary {
    color: var(--color-accent-2);
}

.icon-tertiary {
    color: var(--color-accent-3);
}

.icon-hover:hover {
    transform: scale(1.1) rotate(5deg);
    color: var(--color-highlight);
}

.icon-spin {
    animation: iconSpin 2s linear infinite;
}

@keyframes iconSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Icon in cards */
.card .icon {
    color: var(--color-accent-1);
}

.card:hover .icon {
    color: var(--color-accent-2);
    transform: scale(1.1) rotate(5deg);
}

/* Card content enhancements */
.card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.card p {
    color: var(--color-dark-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.card .btn {
    margin-top: auto;
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-sm);
    display: block;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 151, 149, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: var(--header-height);
        flex-direction: column;
        background-color: var(--color-bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: var(--spacing-md) 0;
    }
    
    .nav-menu.active { left: 0; }
    .nav-menu .nav-item { margin: 10px 0; }
    
    .hero h1 { font-size: 2rem; }
    
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}