/* ==========================================================================
   Obsidian Slate Glass Design System - styles.css
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Color Palette - Dark Obsidian Slate (Default) */
    --bg-base: #060913;
    --bg-surface: #0b111e;
    --bg-card: rgba(15, 23, 42, 0.65);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    --border-color: rgba(255, 255, 255, 0.05);
    --border-hover: rgba(99, 102, 241, 0.35);
    --border-active: rgba(99, 102, 241, 0.6);
    
    /* Text Colors */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Neon Accents & Gradients */
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --accent: #06b6d4;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    
    --grad-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --grad-mixed: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    --grad-glow: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    
    /* Shadows & Effects */
    --card-shadow: 0 10px 30px -10px rgba(2, 6, 23, 0.7);
    --card-shadow-hover: 0 20px 40px -15px rgba(2, 6, 23, 0.9);
    --glow-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
    --glass-blur: blur(12px);
    
    /* Spacing & Borders */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --section-padding: clamp(5rem, 12vw, 9rem);
    
    /* Transitions */
    --trans-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --trans-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --trans-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
[data-theme="light"] {
    --bg-base: #f8fafc;
    --bg-surface: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.75);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --border-color: rgba(15, 23, 42, 0.06);
    --border-hover: rgba(79, 70, 229, 0.25);
    --border-active: rgba(79, 70, 229, 0.5);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --accent: #0891b2;
    
    --grad-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --grad-mixed: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    --grad-glow: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
    
    --card-shadow: 0 10px 30px -10px rgba(148, 163, 184, 0.15);
    --card-shadow-hover: 0 20px 40px -15px rgba(148, 163, 184, 0.3);
    --glow-shadow: 0 0 20px rgba(99, 102, 241, 0.08);
}

/* ==========================================================================
   Reset & Global Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--trans-medium), color var(--trans-medium);
}

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

a {
    color: inherit;
    text-decoration: none;
}

button, input, textarea {
    font-family: inherit;
    color: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
    transition: background var(--trans-fast);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Screen reader skip-link */
.skip-link {
    position: fixed;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10002;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    box-shadow: var(--glow-shadow);
    transition: top var(--trans-fast);
}
.skip-link:focus {
    top: 20px;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -60px) scale(1.05); }
    66% { transform: translate(-30px, 30px) scale(0.95); }
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.15); }
}

@keyframes caretBlink {
    50% { border-color: transparent; }
}

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

/* Scroll Fade & Slide Triggered by IntersectionObserver */
.reveal-item {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Page Loader
   ========================================================================== */
.loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background-color: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--trans-slow) ease, visibility var(--trans-slow);
}
.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.loader-content {
    text-align: center;
}
.loader-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}
.loader-logo .logo-bracket {
    color: var(--primary-light);
}
.loader-bar {
    width: 240px;
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto 1rem;
}
.loader-progress {
    height: 100%;
    width: 0%;
    background: var(--grad-mixed);
    border-radius: var(--radius-full);
    transition: width 0.1s ease;
}
.loader-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Follow Mouse Glow
   ========================================================================== */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: var(--radius-full);
    background: radial-gradient(circle, rgba(99, 102, 241, 0.07) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--trans-medium);
}
.cursor-glow.active {
    opacity: 1;
}
[data-theme="light"] .cursor-glow {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.035) 0%, transparent 70%);
}

/* ==========================================================================
   Animated Background Elements
   ========================================================================== */
.bg-animation {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.gradient-orb {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(140px);
    opacity: 0.28;
    animation: orbFloat 25s ease-in-out infinite;
}
[data-theme="light"] .gradient-orb {
    opacity: 0.12;
}
.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
}
.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    bottom: -150px;
    left: -100px;
    animation-delay: -8s;
}
.orb-3 {
    width: 450px;
    height: 450px;
    background: #db2777; /* hot pink */
    top: 40%;
    left: 45%;
    transform: translate(-50%, -50%);
    animation-delay: -16s;
}

/* ==========================================================================
   Navigation Bar Styles
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 1.5rem 2rem;
    background: rgba(6, 9, 19, 0.7);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    transition: padding var(--trans-medium), background var(--trans-medium);
}
[data-theme="light"] .navbar {
    background: rgba(248, 250, 252, 0.75);
}
.navbar.scrolled {
    padding: 0.9rem 2rem;
    background: rgba(6, 9, 19, 0.85);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}
[data-theme="light"] .navbar.scrolled {
    background: rgba(248, 250, 252, 0.9);
    box-shadow: 0 10px 30px -10px rgba(148, 163, 184, 0.1);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}
.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--trans-fast);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--grad-mixed);
    border-radius: var(--radius-full);
    transition: width var(--trans-fast);
}
.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.nav-cta {
    background: var(--grad-primary);
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-full);
    color: white !important;
    font-weight: 600;
    box-shadow: 0 4px 15px -3px rgba(79, 70, 229, 0.4);
    transition: transform var(--trans-fast), box-shadow var(--trans-fast);
}
.nav-cta::after {
    display: none;
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -4px rgba(79, 70, 229, 0.5);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.theme-toggle {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: border var(--trans-fast), color var(--trans-fast), background var(--trans-fast);
}
.theme-toggle:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-card-hover);
}
.theme-toggle svg {
    transition: transform 0.5s ease;
}
.theme-toggle:hover svg {
    transform: rotate(45deg);
}
.theme-toggle .icon-moon {
    display: none;
}
[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}
[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
}
.nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: var(--radius-full);
    transition: transform var(--trans-medium), opacity var(--trans-medium);
}
.nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   Hero Section Layout
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 100px;
    position: relative;
    z-index: 1;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    padding: 2rem;
    width: 100%;
}
.hero-content {
    text-align: left;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1.1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 2rem;
}
.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: var(--radius-full);
    animation: pulseGlow 2s infinite;
}
.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2.8rem, 5.8vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 1.8rem;
}
.title-line {
    display: block;
}
.highlight {
    background: var(--grad-mixed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    min-height: 4rem;
    max-width: 600px;
}
.typed-text {
    color: var(--text-primary);
    border-right: 2px solid var(--primary-light);
    padding-right: 4px;
    animation: caretBlink 0.9s step-end infinite;
    font-weight: 600;
}
.hero-cta {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

/* Button UI Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 2.2rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--trans-fast), box-shadow var(--trans-fast), background var(--trans-fast), border-color var(--trans-fast);
    border: 1px solid transparent;
}
.btn-primary {
    background: var(--grad-primary);
    color: white;
    box-shadow: 0 4px 20px -3px rgba(79, 70, 229, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -5px rgba(79, 70, 229, 0.6);
}
.btn-secondary {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}
.btn-sm {
    padding: 0.6rem 1.4rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

/* Hero Statistics Grid */
.hero-stats {
    display: flex;
    gap: 4rem;
    flex-wrap: wrap;
}
.stat {
    display: flex;
    flex-direction: column;
}
.stat-num-container {
    display: flex;
    align-items: baseline;
}
.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}
.stat-suffix {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-left: 2px;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hero Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: bounce 2s ease-in-out infinite;
    z-index: 2;
}
@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

/* ==========================================================================
   Agent Sandbox (Code / Terminal Window)
   ========================================================================== */
.hero-visual {
    width: 100%;
    perspective: 1000px;
}
.code-window {
    background: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow-hover), var(--glow-shadow);
    overflow: hidden;
    transition: transform var(--trans-slow);
}
.code-window:hover {
    transform: translateY(-4px) rotateX(1deg) rotateY(-1deg);
}
.window-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.5rem;
    background: rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.window-dots {
    display: flex;
    gap: 7px;
}
.dot {
    width: 11px;
    height: 11px;
    border-radius: var(--radius-full);
}
.dot.red { background-color: var(--accent-red); }
.dot.yellow { background-color: var(--accent-yellow); }
.dot.green { background-color: var(--accent-green); }

.window-tabs {
    display: flex;
    gap: 0.4rem;
}
.window-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all var(--trans-fast);
}
.window-tab:hover {
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.02);
}
.window-tab.active {
    color: #f1f5f9;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.06);
}
.tab-icon {
    width: 13px;
    height: 13px;
}

.window-body {
    position: relative;
    height: 330px;
    overflow-y: auto;
    background: #030712;
}

.tab-content {
    display: none;
    height: 100%;
}
.tab-content.active {
    display: block;
}

/* Python Code Editor Tab */
.code-editor {
    display: flex;
    padding: 1.5rem;
    height: 100%;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    text-align: left;
}
.line-numbers {
    display: flex;
    flex-direction: column;
    text-align: right;
    padding-right: 1.5rem;
    color: #475569;
    user-select: none;
    border-right: 1px solid rgba(255, 255, 255, 0.04);
}
.code-content {
    padding-left: 1.5rem;
    overflow-x: auto;
    width: 100%;
}
/* Syntax Highlights */
.code-content .keyword { color: #f472b6; font-weight: 600; }     /* Pink */
.code-content .class-name { color: #60a5fa; }                  /* Blue */
.code-content .function { color: #34d399; }                    /* Green */
.code-content .param { color: #fb7185; }                       /* Rose */
.code-content .string { color: #fbbf24; }                      /* Amber */
.code-content .comment { color: #6b7280; font-style: italic; } /* Gray */

/* Terminal Command Tab */
.terminal-body {
    padding: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.8;
    text-align: left;
    height: 100%;
    overflow-y: auto;
}
.log-line {
    margin-bottom: 0.5rem;
    word-break: break-all;
}
.log-line.text-comment { color: var(--text-muted); }
.log-line.text-keyword { color: var(--primary-light); }
.log-line.text-info { color: var(--text-secondary); }
.log-line.text-accent { color: var(--accent); }
.log-line.text-success { color: var(--accent-green); }

/* ==========================================================================
   Sections Common Layout
   ========================================================================== */
.section {
    padding: var(--section-padding) 2rem;
    position: relative;
    z-index: 1;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}
.section-header {
    text-align: center;
    margin-bottom: 5rem;
}
.section-tag {
    display: inline-block;
    padding: 0.4rem 1.1rem;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.18);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary-light);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
}
.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================================================
   About Section Styling
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
    align-items: center;
}
.about-content {
    text-align: left;
}
.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 1.8rem;
}
.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}
.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
@media (max-width: 992px) {
    .about-highlights {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
}
.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: start;
    transition: transform var(--trans-medium), border-color var(--trans-medium), box-shadow var(--trans-medium);
}
.highlight-card:hover {
    transform: translateX(4px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    box-shadow: var(--card-shadow);
}
.highlight-icon {
    width: 44px;
    height: 44px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-sm);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
}
.highlight-icon svg {
    width: 22px;
    height: 22px;
}
.highlight-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.highlight-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.about-image {
    position: relative;
    display: flex;
    justify-content: center;
}
.image-frame {
    position: relative;
    width: 320px;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    z-index: 1;
}
.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    transition: transform var(--trans-slow);
}
.image-decoration {
    position: absolute;
    inset: 15px -15px -15px 15px;
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-lg);
    opacity: 0.35;
    z-index: -1;
    transition: transform var(--trans-slow);
}
.image-frame:hover .profile-image {
    transform: scale(1.03) translate(-6px, -6px);
}
.image-frame:hover .image-decoration {
    transform: translate(6px, 6px);
    opacity: 0.6;
}

/* ==========================================================================
   Experience Timeline Section Styling
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}
.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background: linear-gradient(to bottom, transparent 0%, var(--border-color) 15%, var(--border-color) 85%, transparent 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    padding-left: 55px;
}
.timeline-item:last-child {
    margin-bottom: 0;
}
.timeline-marker {
    position: absolute;
    left: 12px;
    top: 5px;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    background: var(--bg-base);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: border-color var(--trans-fast);
}
.marker-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-light);
    border-radius: var(--radius-full);
    transition: background-color var(--trans-fast), transform var(--trans-fast);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    box-shadow: var(--card-shadow);
    text-align: left;
    transition: transform var(--trans-medium), border-color var(--trans-medium), box-shadow var(--trans-medium);
}
.timeline-item:hover .timeline-content {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: var(--card-shadow-hover);
}
.timeline-item:hover .timeline-marker {
    border-color: var(--primary-light);
}
.timeline-item:hover .marker-dot {
    background-color: var(--accent);
    transform: scale(1.2);
}

.timeline-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.timeline-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}
.timeline-company {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-light);
}
.timeline-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}
.timeline-achievements {
    list-style: none;
    margin-bottom: 1.8rem;
}
.timeline-achievements li {
    position: relative;
    padding-left: 1.8rem;
    margin-bottom: 0.8rem;
    font-size: 0.98rem;
    color: var(--text-secondary);
}
.timeline-achievements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}
.achievement-metric {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-right: 0.4rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.tag {
    padding: 0.35rem 0.9rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: background var(--trans-fast), color var(--trans-fast);
}
.timeline-item:hover .tag {
    background: rgba(99, 102, 241, 0.04);
    color: var(--text-primary);
}

/* ==========================================================================
   Education & Extracurricular Styling
   ========================================================================== */
.education-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 5rem;
}
.education-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    text-align: left;
    position: relative;
    transition: transform var(--trans-medium), border-color var(--trans-medium), box-shadow var(--trans-medium);
}
.education-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: var(--card-shadow);
}
.edu-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.08);
    border-radius: var(--radius-sm);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}
.edu-icon svg {
    width: 24px;
    height: 24px;
}
.edu-badge {
    position: absolute;
    top: 2.2rem;
    right: 2.2rem;
    padding: 0.3rem 0.9rem;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-full);
    color: var(--accent-green);
    font-size: 0.75rem;
    font-weight: 600;
}
.edu-degree {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.edu-school {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 1.2rem;
}
.edu-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.edu-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Extracurricular */
.extracurricular {
    margin-top: 5rem;
    text-align: left;
}
.extra-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    text-align: center;
}
.extra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}
.extra-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: transform var(--trans-medium), border-color var(--trans-medium);
}
.extra-item:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
}
.extra-icon {
    width: 40px;
    height: 40px;
    background: rgba(6, 182, 212, 0.08);
    color: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
}
.extra-item h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.extra-item p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
}
.extra-date {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
}

/* ==========================================================================
   Skills Matrix Section Styling
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-bottom: 5rem;
}
.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: left;
    transition: transform var(--trans-medium), border-color var(--trans-medium), box-shadow var(--trans-medium);
}
.skill-category:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: var(--card-shadow);
}
.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    padding-bottom: 1rem;
}
.category-icon {
    width: 38px;
    height: 38px;
    background: rgba(99, 102, 241, 0.08);
    border-radius: var(--radius-sm);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
}
.category-icon svg {
    width: 18px;
    height: 18px;
}
.category-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
}
.skill-chips {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}
.skill-chip {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem 0.9rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--trans-fast), border-color var(--trans-fast);
}
.skill-category:hover .skill-chip {
    border-color: rgba(255, 255, 255, 0.05);
}
.skill-chip:hover {
    background: rgba(99, 102, 241, 0.05);
    border-color: var(--border-hover);
}
.skill-dot {
    width: 7px;
    height: 7px;
    border-radius: var(--radius-full);
}
.skill-dot.expert { background-color: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }
.skill-dot.advanced { background-color: var(--primary-light); box-shadow: 0 0 8px var(--primary-light); }
.skill-dot.proficient { background-color: var(--accent); box-shadow: 0 0 8px var(--accent); }
.skill-name {
    color: var(--text-secondary);
    transition: color var(--trans-fast);
}
.skill-chip:hover .skill-name {
    color: var(--text-primary);
}

/* Languages Grid */
.languages-section {
    margin-top: 5rem;
    text-align: left;
}
.languages-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 2rem;
    text-align: center;
}
.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}
.language-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color var(--trans-fast);
}
.language-item:hover {
    border-color: var(--border-hover);
}
.language-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
}
.language-level {
    display: flex;
    gap: 4px;
}
.level-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
}
.level-dot.active {
    background: var(--primary-light);
    box-shadow: 0 0 6px var(--primary-light);
}
.language-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

/* ==========================================================================
   Projects Section & Filter Styling
   ========================================================================== */
.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 3.5rem;
}
.filter-btn {
    padding: 0.55rem 1.4rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--trans-fast);
}
.filter-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}
.filter-btn.active {
    background: var(--grad-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px -3px rgba(79, 70, 229, 0.4);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

/* Base Card Styling */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-align: left;
    box-shadow: var(--card-shadow);
    transition: transform var(--trans-medium), border-color var(--trans-medium), box-shadow var(--trans-medium);
}
.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--card-shadow-hover), 0 10px 30px -10px rgba(99, 102, 241, 0.1);
}

/* project images / placeholders */
.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: rgba(3, 7, 18, 0.2);
    border-bottom: 1px solid var(--border-color);
}
.project-img-display {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--trans-slow);
}
.project-card:hover .project-img-display {
    transform: scale(1.05);
}
.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.2) 0%, rgba(3, 7, 18, 0.4) 100%);
    transition: color var(--trans-fast), background var(--trans-fast);
}
.project-card:hover .project-placeholder {
    color: var(--primary-light);
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.03) 0%, rgba(3, 7, 18, 0.4) 100%);
}
.card-svg-icon {
    width: 48px;
    height: 48px;
    opacity: 0.6;
    transition: opacity var(--trans-fast);
}
.project-card:hover .card-svg-icon {
    opacity: 1;
}

/* Card Hover overlay link */
.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(6, 9, 19, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--trans-medium);
    z-index: 2;
}
.project-image:hover .project-overlay {
    opacity: 1;
}
.project-link {
    padding: 0.7rem 1.6rem;
    background: var(--grad-primary);
    color: white;
    font-weight: 600;
    font-size: 0.88rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
    transform: translateY(10px);
    transition: transform var(--trans-medium), box-shadow var(--trans-fast);
}
.project-image:hover .project-link {
    transform: translateY(0);
}
.project-link:hover {
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
}

/* Card details styling */
.project-content {
    padding: 1.8rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.project-badge {
    align-self: flex-start;
    padding: 0.2rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.1rem;
    font-family: 'JetBrains Mono', monospace;
}
.tag-ai { background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.tag-data { background: rgba(245, 158, 11, 0.08); border: 1px solid rgba(245, 158, 11, 0.2); color: var(--accent-yellow); }
.tag-systems { background: rgba(99, 102, 241, 0.08); border: 1px solid rgba(99, 102, 241, 0.2); color: var(--primary-light); }
.tag-app { background: rgba(6, 182, 212, 0.08); border: 1px solid rgba(6, 182, 212, 0.2); color: var(--accent); }
.tag-web { background: rgba(219, 39, 119, 0.08); border: 1px solid rgba(219, 39, 119, 0.2); color: #db2777; }

.project-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}
.project-description {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 1.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
}
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.project-tech span {
    padding: 0.25rem 0.6rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}
.project-card:hover .project-tech span {
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.05);
}

/* Extra projects drawer container and animation logic */
.project-extra {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--trans-medium), transform var(--trans-medium);
}
.project-extra.visible {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.projects-cta {
    margin-top: 4rem;
    text-align: center;
}
.arrow-icon {
    transition: transform var(--trans-fast);
}
#showMoreBtn.expanded .arrow-icon {
    transform: rotate(180deg);
}

/* ==========================================================================
   Contact Section & Layout Styling
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: start;
}
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 3rem;
    text-align: left;
}
.contact-intro h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
}
.contact-intro p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}
.method-item {
    display: flex;
    gap: 1.2rem;
    align-items: center;
}
.method-icon {
    width: 44px;
    height: 44px;
    background: rgba(99, 102, 241, 0.08);
    border-radius: var(--radius-sm);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.method-icon svg {
    width: 20px;
    height: 20px;
}
.method-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.method-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
    transition: color var(--trans-fast);
}
a.method-value:hover {
    color: var(--primary-light);
}

.contact-social h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}
.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.4rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    transition: background var(--trans-fast), border-color var(--trans-fast);
}
.social-btn:hover {
    background: rgba(99, 102, 241, 0.05);
    border-color: var(--border-hover);
}

/* Contact Interactive Form Container */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 3rem;
    text-align: left;
}
.form-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
}
.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input,
.form-group textarea {
    padding: 0.85rem 1.2rem;
    background: rgba(3, 7, 18, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
    background: rgba(3, 7, 18, 0.3);
}
.btn-submit {
    width: 100%;
}

/* ==========================================================================
   Footer Section Styling
   ========================================================================== */
.footer {
    padding: 5rem 2rem 2rem;
    background: #03050a;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}
[data-theme="light"] .footer {
    background: #f1f5f9;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    text-align: left;
}
.footer-brand .footer-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    display: block;
    margin-bottom: 1rem;
}
.footer-brand .footer-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 320px;
}
.footer-links h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.footer-nav a {
    font-size: 0.92rem;
    color: var(--text-secondary);
    transition: color var(--trans-fast);
}
.footer-nav a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Tablet Portrait & Large Devices */
@media (max-width: 992px) {
    :root {
        --section-padding: clamp(4rem, 10vw, 6rem);
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        text-align: center;
    }
    .hero-content {
        text-align: center;
    }
    .hero-cta {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
        gap: 2.5rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .about-image {
        order: -1;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 3rem;
    }
}

/* Mobile & Smaller Tablets */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(6, 9, 19, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 2.5rem;
        padding: 3rem;
        z-index: 998;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--trans-medium) ease, opacity var(--trans-medium) ease;
        border-top: 1px solid var(--border-color);
    }
    [data-theme="light"] .nav-menu {
        background: rgba(248, 250, 252, 0.98);
    }
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .timeline::before {
        left: 15px;
    }
    .timeline-marker {
        left: 7px;
    }
    .timeline-item {
        padding-left: 35px;
    }
    .timeline-content {
        padding: 1.8rem;
    }
    .education-grid {
        grid-template-columns: 1fr;
    }
    .extra-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .footer-brand .footer-desc {
        max-width: none;
    }
}

/* Small Screens / Mobile Portrait */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-cta .btn {
        width: 100%;
    }
    .stat-number {
        font-size: 2.2rem;
    }
    .stat-suffix {
        font-size: 1.4rem;
    }
    .hero-stats {
        gap: 1.5rem;
    }
    .image-frame {
        width: 100%;
        max-width: 280px;
    }
    .highlight-card {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    .highlight-icon {
        margin: 0 auto;
    }
    .contact-card, .contact-form {
        padding: 2rem 1.5rem;
    }
}