/* ==========================================
   CSS VARIABLES & DESIGN TOKENS
   ========================================== */
:root {
    /* Color Palette - Enhanced & Vibrant */
    --primary-hue: 155;
    /* Pakistani Green */
    --secondary-hue: 200;
    --accent-hue: 280;
    --success-hue: 145;
    --warning-hue: 45;

    /* Primary Colors - Pakistani Flag Inspired */
    --primary-color: hsl(var(--primary-hue), 75%, 45%);
    /* Deep Green */
    --primary-dark: hsl(var(--primary-hue), 80%, 35%);
    --primary-light: hsl(var(--primary-hue), 70%, 55%);
    --primary-glow: hsl(var(--primary-hue), 75%, 65%);

    --secondary-color: hsl(var(--secondary-hue), 90%, 60%);
    /* Bright Cyan */
    --accent-color: hsl(var(--accent-hue), 85%, 70%);
    /* Vibrant Purple */
    --success-color: hsl(var(--success-hue), 70%, 50%);
    --warning-color: hsl(var(--warning-hue), 95%, 55%);

    /* Background Colors - Rich Dark Theme */
    --bg-primary: hsl(220, 30%, 6%);
    --bg-secondary: hsl(220, 25%, 10%);
    --bg-tertiary: hsl(220, 22%, 14%);
    --bg-card: hsl(220, 25%, 12%);
    --bg-hover: hsl(220, 20%, 18%);

    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(0, 0%, 75%);
    --text-muted: hsl(0, 0%, 55%);

    /* Dynamic Gradients - More Vibrant */
    --gradient-1: linear-gradient(135deg,
            hsl(var(--primary-hue), 75%, 45%),
            hsl(var(--primary-hue), 70%, 55%),
            hsl(var(--accent-hue), 85%, 70%));
    --gradient-2: linear-gradient(135deg,
            hsl(var(--secondary-hue), 90%, 60%),
            hsl(var(--primary-hue), 75%, 50%));
    --gradient-3: linear-gradient(135deg,
            hsl(var(--accent-hue), 85%, 70%),
            hsl(var(--primary-hue), 75%, 55%),
            hsl(var(--secondary-hue), 90%, 60%));
    --gradient-pakistan: linear-gradient(135deg,
            hsl(var(--primary-hue), 75%, 45%),
            hsl(0, 0%, 98%));
    /* Green to White */
    --gradient-glow: radial-gradient(circle,
            hsl(var(--primary-hue), 75%, 55%, 0.3),
            transparent 70%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);

    --shadow-glow: 0 0 20px rgba(var(--primary-hue), 85%, 60%, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(var(--primary-hue), 85%, 60%, 0.1), rgba(var(--accent-hue), 75%, 65%, 0.1));
    border: 1px solid rgba(var(--primary-hue), 85%, 60%, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.section-description {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--spacing-md) 0;
    background: rgba(15, 18, 25, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.navbar.scrolled {
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) 0;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition-base);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-color), transparent);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-color), transparent);
    bottom: -10%;
    right: -10%;
    animation-delay: 7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--secondary-color), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease;
}

.hero-greeting {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.hero-name {
    font-family: var(--font-display);
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.name-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    min-height: 60px;
}

.typing-text {
    color: var(--primary-light);
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero-description {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition-base);
}

.btn span,
.btn i {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 20px rgba(var(--primary-hue), 85%, 60%, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(var(--primary-hue), 85%, 60%, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-1);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(var(--primary-hue), 85%, 60%, 0.4);
}

.hero-visual {
    animation: fadeInRight 1s ease;
}

.code-window {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.window-header {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.window-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.window-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-btn.close {
    background: #ff5f57;
}

.window-btn.minimize {
    background: #ffbd2e;
}

.window-btn.maximize {
    background: #28ca42;
}

.window-title {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.window-content {
    padding: var(--spacing-lg);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

.code-keyword {
    color: hsl(330, 80%, 70%);
}

.code-variable {
    color: hsl(200, 80%, 70%);
}

.code-property {
    color: hsl(40, 80%, 70%);
}

.code-string {
    color: hsl(120, 60%, 70%);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: var(--radius-full);
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: var(--radius-full);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

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

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.profile-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.profile-image-container {
    position: relative;
    flex-shrink: 0;
}

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(var(--primary-hue), 85%, 60%, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
}

.profile-image:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 12px 32px rgba(var(--primary-hue), 85%, 60%, 0.4);
}

.profile-badge {
    position: absolute;
    bottom: 5px;
    right: 5px;
    width: 32px;
    height: 32px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--bg-secondary);
    color: white;
    font-size: 1rem;
}

.profile-info h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.profile-tagline {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.profile-tagline i {
    color: var(--primary-color);
}

.separator {
    color: var(--text-muted);
    margin: 0 var(--spacing-xs);
}


.about-text h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: var(--radius-md);
    font-size: var(--font-size-2xl);
    color: white;
}

.stat-card h4 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-card p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin: 0;
}

.skills-container h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

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

.skill-category {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.skill-category:hover {
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    transform: translateX(4px);
}

.skill-category h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.skill-category h4 i {
    color: var(--primary-color);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(var(--primary-hue), 85%, 60%, 0.1);
    border: 1px solid rgba(var(--primary-hue), 85%, 60%, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-base);
}

.skill-tag:hover {
    background: rgba(var(--primary-hue), 85%, 60%, 0.2);
    transform: translateY(-2px);
}

/* ==========================================
   ACADEMICS SECTION
   ========================================== */
.academics-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-3xl);
    animation: fadeInUp 0.6s ease;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 8px rgba(var(--primary-hue), 85%, 60%, 0.2);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 19px;
    top: 40px;
    bottom: -40px;
    width: 2px;
    background: linear-gradient(to bottom, rgba(var(--primary-hue), 85%, 60%, 0.3), transparent);
}

.timeline-item:last-child::before {
    display: none;
}

.semester-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.semester-card:hover {
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.semester-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.semester-title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.semester-year {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.course-card {
    background: rgba(255, 255, 255, 0.02);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all var(--transition-base);
}

.course-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    transform: translateX(4px);
}

.course-code {
    color: var(--primary-light);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.course-name {
    color: var(--text-primary);
    font-size: var(--font-size-base);
    line-height: 1.4;
}

/* ==========================================
   LAB CARDS SECTION
   ========================================== */
.labs-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.labs-title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.labs-title i {
    color: var(--primary-color);
}

.labs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.lab-card {
    background: rgba(255, 255, 255, 0.02);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.lab-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.lab-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.lab-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xl);
    color: white;
}

.lab-title-section {
    flex: 1;
}

.lab-code {
    color: var(--primary-light);
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lab-name {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.4;
}

.lab-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.lab-materials {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.materials-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.materials-title i {
    color: var(--primary-color);
    font-size: var(--font-size-base);
}

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

.material-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
}

.material-link:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    transform: translateX(4px);
    color: var(--primary-light);
}

.material-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-hue), 85%, 60%, 0.1);
    border-radius: var(--radius-sm);
    color: var(--primary-color);
    font-size: var(--font-size-sm);
}

.material-info {
    flex: 1;
}

.material-info h5 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.material-info p {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin: 0;
}

.material-link>i.fa-external-link-alt {
    margin-left: auto;
    font-size: var(--font-size-xs);
    opacity: 0.5;
    transition: opacity var(--transition-base);
}

.material-link:hover>i.fa-external-link-alt {
    opacity: 1;
}


/* ==========================================
   CERTIFICATIONS SECTION
   ========================================== */
.certifications-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

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

.cert-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    text-align: center;
}

.cert-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    box-shadow: var(--shadow-xl);
}

.cert-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-3xl);
    color: white;
}

.cert-card h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cert-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.placeholder-card {
    border: 2px dashed rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.projects-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

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

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    text-align: center;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    box-shadow: var(--shadow-xl);
}

.project-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-3xl);
    color: white;
}

.project-card h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.project-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

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

.contact-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    transform: translateY(-4px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: var(--radius-md);
    font-size: var(--font-size-2xl);
    color: white;
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.contact-card a,
.contact-card p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

.contact-card a:hover {
    color: var(--primary-light);
}

.map-container {
    margin-top: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form-container {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

.form-group label {
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(var(--primary-hue), 85%, 60%, 0.1);
}

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

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--bg-primary);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--primary-light);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-visual {
        order: -1;
    }

    .hero-name {
        font-size: var(--font-size-5xl);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 18, 25, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        padding: var(--spacing-xl);
        transition: var(--transition-base);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
}

@media (max-width: 640px) {
    .hero-name {
        font-size: var(--font-size-4xl);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .certifications-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .profile-section {
        flex-direction: column;
        text-align: center;
    }

    .profile-tagline {
        justify-content: center;
    }

    .social-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ==========================================
   HIGHLIGHTS & MILESTONES SECTION
   ========================================== */
.highlights-section {
    margin-top: var(--spacing-3xl);
}

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

.highlight-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease both;
}

.highlight-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.highlight-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.highlight-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.highlight-card:hover .highlight-image {
    transform: scale(1.1);
}

.highlight-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: var(--radius-md);
    color: white;
    font-size: var(--font-size-xl);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.highlight-content {
    padding: var(--spacing-lg);
}

.highlight-content h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.highlight-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.highlight-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.highlight-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.highlight-meta i {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .highlights-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   VIDEO STYLES
   ========================================== */
/* Intro Video Section */
.intro-video-section {
    margin: var(--spacing-xl) 0;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.intro-video {
    width: 100%;
    height: auto;
    display: block;
    background: #000;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    transition: opacity var(--transition-base);
    cursor: pointer;
}

.play-button {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: 50%;
    color: white;
    font-size: var(--font-size-3xl);
    transition: all var(--transition-base);
    box-shadow: 0 8px 32px rgba(var(--primary-hue), 85%, 60%, 0.4);
}

.play-button:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 48px rgba(var(--primary-hue), 85%, 60%, 0.6);
}

.play-button i {
    margin-left: 4px;
}

.video-label {
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Project Video Styles */
.project-video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.project-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-base);
}

.project-play-btn {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    transition: all var(--transition-base);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.project-play-btn:hover {
    transform: scale(1.15);
    background: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.project-play-btn i {
    margin-left: 3px;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.project-tag {
    padding: 0.375rem 0.75rem;
    background: rgba(var(--primary-hue), 85%, 60%, 0.1);
    border: 1px solid rgba(var(--primary-hue), 85%, 60%, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-content h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.project-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.project-tech span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.project-tech i {
    color: var(--primary-color);
    font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
    .play-button {
        width: 64px;
        height: 64px;
        font-size: var(--font-size-2xl);
    }

    .project-play-btn {
        width: 48px;
        height: 48px;
        font-size: var(--font-size-xl);
    }
}

/* ==========================================
   BLOG SECTION
   ========================================== */
.blog-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.blog-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
    animation: fadeInUp 0.6s ease both;
}

.blog-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.3);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.blog-card-header {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.blog-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xl);
    color: white;
}

.blog-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: flex-end;
}

.blog-date,
.blog-read-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.blog-date i,
.blog-read-time i {
    color: var(--primary-color);
}

.blog-card-body {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-title {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.blog-tag {
    padding: 0.375rem 0.75rem;
    background: rgba(var(--primary-hue), 85%, 60%, 0.1);
    border: 1px solid rgba(var(--primary-hue), 85%, 60%, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: all var(--transition-base);
}

.blog-tag:hover {
    background: rgba(var(--primary-hue), 85%, 60%, 0.2);
    border-color: rgba(var(--primary-hue), 85%, 60%, 0.4);
}

.blog-card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-light);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.blog-link:hover {
    gap: var(--spacing-md);
    color: var(--primary-color);
}

.blog-link i {
    transition: transform var(--transition-base);
}

.blog-link:hover i {
    transform: translateX(4px);
}

.blog-cta {
    text-align: center;
}

.blog-cta .btn {
    font-size: var(--font-size-lg);
    padding: var(--spacing-lg) var(--spacing-2xl);
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-card-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .blog-meta {
        align-items: center;
    }
}