/* ============================================
   RESET AND BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

/* ============================================
   CSS VARIABLES - RICH DARK THEME
   ============================================ */
:root {
    /* Dark Theme Primary Colors */
    --primary-900: #0a0f1e;
    --primary-800: #141b2b;
    --primary-700: #1e2738;
    --primary-600: #2a3448;
    --primary-500: #364153;
    --primary-400: #4a5568;
    
    /* Accent Colors - Vibrant */
    --accent-1: #6366f1;
    --accent-2: #8b5cf6;
    --accent-3: #d946ef;
    --accent-4: #ec4899;
    --accent-5: #f43f5e;
    
    /* Secondary Accents */
    --secondary-1: #06b6d4;
    --secondary-2: #14b8a6;
    --secondary-3: #10b981;
    --secondary-4: #84cc16;
    --secondary-5: #eab308;
    
    /* Gradients - Rich and Deep */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #14b8a6 50%, #10b981 100%);
    --gradient-accent: linear-gradient(135deg, #f43f5e 0%, #ec4899 50%, #d946ef 100%);
    --gradient-dark: linear-gradient(135deg, #0a0f1e 0%, #141b2b 50%, #1e2738 100%);
    
    /* Surface Colors - Dark Mode */
    --surface-1: #0f1422;
    --surface-2: #1a1f2e;
    --surface-3: #242937;
    --surface-4: #2e3341;
    
    /* Text Colors - Light on Dark */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-tertiary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7);
    
    /* Glow Effects */
    --glow-primary: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Border Radius */
    --radius-xs: 0.125rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.25rem;
    --radius-4xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Spacing - 4px Grid */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Container */
    --container-width: 1400px;
    --container-padding: var(--space-8);
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-base: all 0.3s ease;
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --text-8xl: 6rem;
    
    /* Z-Index */
    --z-negative: -1;
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-modal: 1000;
    --z-overlay: 1001;
    --z-menu: 1002;
    --z-hamburger: 1003;
}

/* ============================================
   BASE STYLES
   ============================================ */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--surface-1);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: var(--z-10);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-title {
    font-size: var(--text-5xl);
    text-align: center;
    margin-bottom: var(--space-4);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title .highlight {
    position: relative;
    display: inline-block;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: var(--text-xl);
    color: var(--text-tertiary);
    margin-bottom: var(--space-16);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   NAVIGATION BAR - FIXED HAMBURGER
   ============================================ */
.navbar {
    background: rgba(15, 20, 34, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: var(--z-menu);
    transition: var(--transition-base);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
    z-index: var(--z-hamburger);
}

.brand-logo-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.brand-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
}

.brand-text h2 {
    font-size: var(--text-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
    line-height: 1.2;
}

.brand-text .brand-highlight {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-tagline {
    font-size: var(--text-xs);
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Hamburger Button - Fixed */
.hamburger {
    display: none;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: var(--z-hamburger);
    position: relative;
    box-shadow: var(--shadow-md), var(--glow-primary);
    transition: var(--transition-bounce);
}

.hamburger i {
    font-size: var(--text-2xl);
    color: var(--text-primary);
    transition: var(--transition-base);
}

.hamburger.active {
    background: var(--gradient-accent);
}

.hamburger.active i {
    transform: rotate(90deg);
}

/* Navigation Menu - Desktop */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-6);
}

.nav-menu li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: var(--transition-base);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: var(--gradient-primary);
    color: var(--text-primary);
}

/* ============================================
   MOBILE MENU - FIXED (DOESN'T COVER FULL PAGE)
   ============================================ */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 80px;
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 400px;
        background: var(--surface-2);
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        padding: 1.5rem;
        border-radius: var(--radius-2xl);
        border: 1px solid rgba(99, 102, 241, 0.3);
        box-shadow: var(--shadow-xl), var(--glow-primary);
        opacity: 0;
        visibility: hidden;
        transform: translateX(-50%) translateY(-10px);
        transition: all 0.3s ease;
        z-index: var(--z-menu);
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu li a {
        display: block;
        text-align: center;
        padding: var(--space-3);
        font-size: var(--text-base);
        background: var(--surface-3);
        border-radius: var(--radius-xl);
        width: 100%;
        border: 1px solid rgba(99, 102, 241, 0.2);
    }

    .nav-menu li a:hover,
    .nav-menu li a.active {
        transform: translateY(-2px);
    }

    /* No body scroll lock - page content remains visible */
    body {
        overflow: auto !important;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        width: 95%;
        padding: 1rem;
    }
    
    .brand-logo {
        width: 40px;
        height: 40px;
    }
    
    .brand-text h2 {
        font-size: var(--text-xl);
    }
    
    .brand-tagline {
        font-size: 0.6rem;
    }
    
    .hamburger {
        width: 44px;
        height: 44px;
    }
    
    .hamburger i {
        font-size: var(--text-xl);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
header {
    background: var(--surface-2);
    padding: 180px 0 var(--space-24);
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: var(--z-20);
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-subtitle {
    display: inline-block;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

header h1 {
    font-size: var(--text-7xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-4);
    font-weight: 800;
    line-height: 1.1;
    text-transform: uppercase;
}

.hero-highlight {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: var(--text-2xl);
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-16);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-10);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-base);
    transition: var(--transition-bounce);
    cursor: pointer;
    border: none;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    gap: var(--space-2);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg), var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-1);
}

.btn-secondary:hover {
    background: var(--gradient-secondary);
    border-color: transparent;
    transform: translateY(-4px) scale(1.05);
}

.header-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    background: rgba(26, 31, 46, 0.8);
    backdrop-filter: blur(10px);
    padding: var(--space-8);
    border-radius: var(--radius-4xl);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.stat-item {
    text-align: center;
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-4px);
    background: rgba(99, 102, 241, 0.1);
}

.stat-item i {
    font-size: var(--text-4xl);
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-2);
}

.stat-number {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: var(--space-1);
}

.stat-label {
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: var(--space-32) 0;
    position: relative;
}

section:nth-child(even) {
    background: var(--surface-2);
}

section:nth-child(odd) {
    background: var(--surface-1);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.highlight-text {
    font-size: var(--text-3xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    position: relative;
    padding-left: var(--space-8);
    color: var(--text-primary);
}

.highlight-text i {
    position: absolute;
    left: -20px;
    top: -10px;
    font-size: var(--text-5xl);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.3;
}

.about-text p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
    font-size: var(--text-lg);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.feature-badge {
    background: var(--surface-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: var(--transition-base);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.feature-badge:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.feature-badge i {
    color: var(--accent-1);
    font-size: var(--text-lg);
}

.feature-badge:hover i {
    color: var(--text-primary);
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-4xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--glow-primary);
}

.rounded-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-base);
}

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

.experience-badge {
    position: absolute;
    bottom: var(--space-8);
    right: var(--space-8);
    background: var(--gradient-primary);
    padding: var(--space-8);
    border-radius: 50%;
    width: 160px;
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    box-shadow: var(--shadow-xl);
    animation: pulse 2s ease infinite;
}

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

.experience-badge .years {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-1);
}

.experience-badge .text {
    font-size: var(--text-xs);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.9;
}

/* ============================================
   VISION MISSION SECTION
   ============================================ */
.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.vision-card, .mission-card {
    background: var(--surface-2);
    padding: var(--space-12);
    border-radius: var(--radius-4xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-bounce);
    border: 1px solid rgba(99, 102, 241, 0.2);
    position: relative;
    overflow: hidden;
}

.vision-card:hover, .mission-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-1);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    transition: var(--transition-bounce);
}

.mission-card .icon-wrapper {
    background: var(--gradient-secondary);
}

.vision-card:hover .icon-wrapper,
.mission-card:hover .icon-wrapper {
    transform: scale(1.1) rotate(360deg);
}

.icon-wrapper i {
    font-size: var(--text-4xl);
    color: var(--text-primary);
}

.vision-card h3, .mission-card h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.vision-card p, .mission-card p {
    color: var(--text-tertiary);
    line-height: 1.8;
    font-size: var(--text-lg);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-6);
}

.service-card {
    background: var(--surface-2);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-bounce);
    border: 1px solid rgba(99, 102, 241, 0.2);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-1);
    box-shadow: var(--shadow-xl), var(--glow-primary);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    transition: var(--transition-bounce);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(360deg);
}

.service-icon i {
    font-size: var(--text-4xl);
    color: var(--text-primary);
}

.service-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
    font-size: var(--text-base);
}

.service-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--surface-3);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   DOMAINS SECTION
   ============================================ */
.domains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
}

.domain-item {
    background: var(--surface-2);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-bounce);
    border: 1px solid rgba(99, 102, 241, 0.2);
    cursor: pointer;
}

.domain-item:hover {
    background: var(--gradient-primary);
    transform: translateY(-5px) scale(1.05);
    border-color: transparent;
}

.domain-item i {
    font-size: var(--text-4xl);
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-3);
    transition: var(--transition-bounce);
}

.domain-item:hover i {
    background: var(--text-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: scale(1.2) rotate(360deg);
}

.domain-item span {
    display: block;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.domain-item small {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.project-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.category-btn {
    padding: var(--space-3) var(--space-6);
    border: 1px solid rgba(99, 102, 241, 0.3);
    background: var(--surface-2);
    color: var(--text-secondary);
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-bounce);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category-btn:hover,
.category-btn.active {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border-color: transparent;
    transform: translateY(-2px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-6);
}

.project-card {
    background: var(--surface-2);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-bounce);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-1);
}

.project-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    transition: var(--transition-bounce);
}

.project-card:hover .project-icon {
    transform: scale(1.1) rotate(360deg);
}

.project-icon i {
    font-size: var(--text-4xl);
    color: var(--text-primary);
}

.project-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.project-card p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

.project-features {
    margin-bottom: var(--space-6);
}

.project-features span {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

.project-features i {
    color: var(--success);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--accent-1);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
}

.project-link:hover {
    color: var(--accent-2);
    gap: var(--space-3);
}

/* ============================================
   COURSES SECTION
   ============================================ */
.courses-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.course-category {
    background: var(--surface-2);
    border-radius: var(--radius-4xl);
    padding: var(--space-12);
    box-shadow: var(--shadow-2xl);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.course-category h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-primary);
}

.course-category h3 i {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: var(--text-3xl);
}

.course-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-4);
}

.course-card {
    background: var(--surface-3);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    transition: var(--transition-bounce);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.course-card:hover {
    transform: translateX(5px) scale(1.02);
    border-color: var(--accent-1);
}

.course-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-bounce);
}

.course-card:hover .course-icon {
    transform: scale(1.1) rotate(180deg);
}

.course-icon i {
    font-size: var(--text-2xl);
    color: var(--text-primary);
}

.course-details {
    flex: 1;
}

.course-details h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.course-details p {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.course-meta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
    font-size: var(--text-xs);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--text-muted);
}

.course-meta i {
    color: var(--success);
}

.course-btn {
    display: inline-block;
    padding: var(--space-1) var(--space-4);
    background: var(--surface-4);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: var(--transition-base);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.course-btn:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border-color: transparent;
}

.course-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-16);
    padding: var(--space-8);
    background: var(--surface-3);
    border-radius: var(--radius-3xl);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.course-feature {
    text-align: center;
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.course-feature:hover {
    background: var(--surface-4);
    transform: translateY(-4px);
}

.course-feature i {
    font-size: var(--text-3xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-3);
    transition: var(--transition-bounce);
}

.course-feature:hover i {
    transform: scale(1.2) rotate(360deg);
}

.course-feature h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.course-feature p {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

/* ============================================
   TECHNOLOGIES SECTION
   ============================================ */
.tech-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.tech-category {
    background: var(--surface-2);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition-base);
}

.tech-category:hover {
    transform: translateY(-4px);
    border-color: var(--accent-1);
}

.tech-category h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-primary);
}

.tech-category h3 i {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: var(--text-2xl);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-badge {
    background: var(--surface-3);
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: var(--transition-bounce);
    cursor: default;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.tech-badge:hover {
    background: var(--gradient-secondary);
    color: var(--text-primary);
    transform: translateY(-2px) scale(1.05);
}

/* ============================================
   WHY US SECTION
   ============================================ */
.why-us {
    background: var(--surface-2);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.feature-item {
    background: var(--surface-3);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    text-align: center;
    transition: var(--transition-bounce);
    border: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
}

.feature-item:hover {
    transform: translateY(-8px) scale(1.02);
    background: var(--gradient-primary);
    border-color: transparent;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    transition: var(--transition-bounce);
}

.feature-item:hover .feature-icon {
    background: var(--surface-1);
    transform: scale(1.1) rotate(360deg);
}

.feature-icon i {
    font-size: var(--text-3xl);
    color: var(--text-primary);
}

.feature-item:hover .feature-icon i {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-item h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.feature-item p {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    line-height: 1.8;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--surface-2);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-bounce);
    border: 1px solid rgba(99, 102, 241, 0.2);
    position: relative;
    overflow: hidden;
}

.testimonial-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--accent-1);
}

.testimonial-card.featured {
    border: 2px solid var(--accent-1);
    transform: scale(1.02);
}

.testimonial-card.featured:hover {
    transform: scale(1.02) translateY(-8px);
}

.testimonial-rating {
    color: var(--warning);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.quote-icon {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: var(--text-5xl);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.2;
    transition: var(--transition-base);
}

.testimonial-card:hover .quote-icon {
    opacity: 0.4;
    transform: scale(1.2) rotate(180deg);
}

.testimonial-card p {
    color: var(--text-tertiary);
    font-style: italic;
    margin-bottom: var(--space-6);
    line-height: 1.8;
    font-size: var(--text-base);
}

.student-info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    padding-top: var(--space-4);
}

.student-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-1);
    transition: var(--transition-bounce);
}

.testimonial-card:hover .student-img {
    transform: scale(1.1) rotate(360deg);
}

.student-info strong {
    display: block;
    color: var(--text-primary);
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.student-info span {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

.contact-info {
    background: var(--surface-2);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.contact-header h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.contact-header p {
    color: var(--text-muted);
    margin-bottom: var(--space-8);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    border-radius: var(--radius-2xl);
    transition: var(--transition-base);
    background: var(--surface-3);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.contact-item:hover {
    transform: translateX(4px);
    background: var(--surface-4);
    border-color: var(--accent-1);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-bounce);
}

.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(360deg);
}

.contact-icon i {
    font-size: var(--text-xl);
    color: var(--text-primary);
}

.contact-item h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.contact-item p,
.contact-item a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: var(--text-sm);
    line-height: 1.5;
    transition: var(--transition-base);
}

.contact-item a:hover {
    color: var(--accent-1);
}

.map-link {
    color: var(--accent-1) !important;
    font-weight: 600;
    display: inline-block;
    margin-top: var(--space-1);
}

.contact-form {
    background: var(--surface-2);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.contact-form h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.contact-form p {
    color: var(--text-muted);
    margin-bottom: var(--space-8);
}

.form-group {
    margin-bottom: var(--space-4);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-xl);
    background: var(--surface-3);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: var(--transition-base);
}

.contact-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--accent-1);
    background: var(--surface-4);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.btn-submit {
    width: 100%;
    padding: var(--space-3) var(--space-6);
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.btn-submit:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--glow-primary);
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-top: var(--space-4);
}

/* ============================================
   MAP SECTION
   ============================================ */
.map {
    padding: 0;
    height: 500px;
    position: relative;
    overflow: hidden;
}

.map iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(50%) brightness(0.7);
    transition: var(--transition-slow);
}

.map:hover iframe {
    filter: grayscale(0) brightness(1);
}

.map-overlay {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    z-index: var(--z-30);
}

.map-card {
    background: var(--surface-2);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-2xl), var(--glow-primary);
    max-width: 340px;
    border: 1px solid rgba(99, 102, 241, 0.3);
    backdrop-filter: blur(10px);
    animation: slideInMap 0.5s ease;
}

@keyframes slideInMap {
    from {
        opacity: 0;
        transform: translateX(50px) translateY(-50%);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(-50%);
    }
}

.map-card i {
    font-size: var(--text-4xl);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-4);
}

.map-card h4 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.map-card p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
}

.btn-map {
    display: inline-block;
    padding: var(--space-2) var(--space-6);
    background: var(--gradient-primary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition-bounce);
    border: none;
}

.btn-map:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg), var(--glow-accent);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--surface-2);
    padding: var(--space-24) 0 var(--space-8);
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.footer-section h3 {
    color: var(--text-primary);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-section h3 span {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-section h4 {
    color: var(--text-primary);
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
    position: relative;
    display: inline-block;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.footer-desc {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-links a {
    width: 44px;
    height: 44px;
    background: var(--surface-3);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-bounce);
    text-decoration: none;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    transform: translateY(-4px) rotate(360deg);
}

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

.footer-section ul li {
    margin-bottom: var(--space-2);
}

.footer-section ul li a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: var(--text-sm);
    display: inline-block;
}

.footer-section ul li a:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.newsletter-form {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-3);
    background: var(--surface-3);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: var(--text-sm);
    transition: var(--transition-base);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-1);
    background: var(--surface-4);
}

.newsletter-form button {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition-bounce);
    font-size: var(--text-lg);
}

.newsletter-form button:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--glow-primary);
}

.payment-methods p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
}

.payment-methods i {
    font-size: var(--text-2xl);
    margin-right: var(--space-2);
    color: var(--text-muted);
    transition: var(--transition-bounce);
    display: inline-block;
}

.payment-methods i:hover {
    color: var(--accent-1);
    transform: translateY(-4px) scale(1.2);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.footer-bottom i {
    color: var(--danger);
    margin: 0 var(--space-1);
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.footer-bottom a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-bottom a:hover {
    color: var(--accent-1);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-bounce);
    z-index: var(--z-50);
    box-shadow: var(--shadow-xl), var(--glow-primary);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: var(--shadow-2xl), var(--glow-accent);
}

/* ============================================
   NOTIFICATION STYLES
   ============================================ */
.notification {
    position: fixed;
    top: 100px;
    right: var(--space-6);
    max-width: 350px;
    padding: var(--space-4) var(--space-6);
    background: var(--surface-2);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: var(--z-modal);
    border-left: 4px solid;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    border-left-color: var(--success);
}

.notification-error {
    border-left-color: var(--danger);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.notification-content i {
    font-size: var(--text-2xl);
}

.notification-success i {
    color: var(--success);
}

.notification-error i {
    color: var(--danger);
}

.notification-content p {
    color: var(--text-primary);
    font-size: var(--text-sm);
    margin: 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    :root {
        --container-width: 960px;
        --text-8xl: 5rem;
        --text-7xl: 4rem;
        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
        --space-32: 6rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    :root {
        --container-width: 720px;
        --text-8xl: 4.5rem;
        --text-7xl: 3.5rem;
        --text-6xl: 2.5rem;
        --text-5xl: 2.25rem;
        --space-32: 5rem;
    }
    
    .about-content,
    .vision-mission-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .header-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .map-overlay {
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        margin-top: -100px;
        display: flex;
        justify-content: center;
    }
    
    .map-card {
        max-width: 90%;
        animation: slideInMapMobile 0.5s ease;
    }
    
    @keyframes slideInMapMobile {
        from {
            opacity: 0;
            transform: translateY(50px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-4);
        --text-8xl: 3rem;
        --text-7xl: 2.5rem;
        --text-6xl: 2rem;
        --text-5xl: 1.875rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
        --space-32: 5rem;
        --space-24: 3.5rem;
        --space-16: 3rem;
    }
    
    .services-grid,
    .projects-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .course-category {
        padding: var(--space-6);
    }
    
    .course-items {
        grid-template-columns: 1fr;
    }
    
    .course-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 48px;
        height: 48px;
        font-size: var(--text-xl);
    }
}

@media (max-width: 480px) {
    :root {
        --text-8xl: 2.5rem;
        --text-7xl: 2.25rem;
        --text-6xl: 2rem;
        --text-5xl: 1.75rem;
        --text-4xl: 1.5rem;
        --text-3xl: 1.25rem;
        --text-2xl: 1.125rem;
    }
    
    .domains-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-categories {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-btn {
        text-align: center;
    }
    
    .course-card {
        flex-direction: column;
        text-align: center;
    }
    
    .course-meta {
        justify-content: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .student-info {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form button {
        width: 100%;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease;
}


/* Research & Development Section */
.research-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid rgba(147, 51, 234, 0.1);
    position: relative;
}

.research-section .section-title {
    margin-bottom: 15px;
}

.research-section .section-subtitle {
    margin-bottom: 30px;
    color: #666;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.research-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.2);
}

/* Different gradients for each card */
.research-card:nth-child(1) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.research-card:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.research-card:nth-child(3) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}
.research-card:nth-child(4) {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}
.research-card:nth-child(5) {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}
.research-card:nth-child(6) {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.research-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 40px rgba(0,0,0,0.2);
}

.research-icon {
    width: 70px;
    height: 70px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    transition: all 0.3s ease;
    border: 2px solid rgba(255,255,255,0.5);
}

.research-card:hover .research-icon {
    background: rgba(255,255,255,0.3);
    transform: rotate(360deg);
    border-color: white;
}

.research-icon i {
    font-size: 2rem;
    color: white;
}

.research-card h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: white;
    font-weight: 600;
}

.research-card p {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    margin-bottom: 20px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    display: inline-block;
}

.research-card p::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: rgba(255,255,255,0.5);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.research-card:hover p::after {
    width: 60px;
    background: white;
}

.research-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.research-features span {
    font-size: 0.85rem;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(255,255,255,0.15);
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.2);
}

.research-card:hover .research-features span {
    background: rgba(255,255,255,0.25);
    transform: translateX(5px);
}

.research-features i {
    color: white;
    font-size: 0.8rem;
}

.research-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 25px;
    background: white;
    color: #333;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.research-link i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.research-link:hover {
    background: transparent;
    border-color: white;
    color: white;
    transform: translateX(5px);
}

.research-link:hover i {
    transform: translateX(5px);
}

/* Research Benefits - Fixed Size */
.research-benefits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
    padding: 15px 20px;
}

.benefit-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 40px;
    font-size: 0.9rem;
    color: white;
    font-weight: 500;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.2);
}

.benefit-item:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.benefit-item:nth-child(3) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.benefit-item:nth-child(4) {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.benefit-item i {
    color: white;
    font-size: 0.9rem;
    width: 24px;
    height: 24px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Responsive Design */
@media (max-width: 992px) {
    .research-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .research-card {
        padding: 20px 15px;
    }
    
    .research-benefits {
        gap: 12px;
        padding: 10px 15px;
    }
    
    .benefit-item {
        padding: 6px 16px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .research-icon {
        width: 60px;
        height: 60px;
    }
    
    .research-icon i {
        font-size: 1.8rem;
    }
    
    .research-card h3 {
        font-size: 1.2rem;
    }
    
    .research-card p {
        font-size: 0.85rem;
    }
    
    .research-features span {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
    
    .research-link {
        padding: 6px 20px;
        font-size: 0.85rem;
    }
    
    .research-benefits {
        flex-direction: column;
        align-items: center;
    }
    
    .benefit-item {
        width: 100%;
        justify-content: center;
    }
}