/* ============================================
   DESIGN TOKENS & CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-card: rgba(17, 17, 30, 0.7);
    --bg-card-hover: rgba(25, 25, 45, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);

    /* Accent Colors */
    --accent-primary: #6c5ce7;
    --accent-secondary: #a29bfe;
    --accent-tertiary: #00cec9;
    --accent-warm: #fd79a8;
    --accent-gold: #fdcb6e;
    --accent-orange: #e17055;
    --accent-green: #00b894;
    --accent-blue: #74b9ff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6c5ce7, #a29bfe);
    --gradient-hero: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 50%, #00cec9 100%);

    /* Text */
    --text-primary: #eaeaff;
    --text-secondary: #a0a0c0;
    --text-muted: #6b6b8d;
    --text-accent: #a29bfe;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(108, 92, 231, 0.3);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;
}

/* ============================================
   LIGHT THEME OVERRIDES
   ============================================ */
[data-theme="light"] {
    --bg-primary: #f8f9fc;
    --bg-secondary: #eef0f5;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --bg-glass: rgba(108, 92, 231, 0.04);
    --bg-glass-hover: rgba(108, 92, 231, 0.08);

    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8888a8;
    --text-accent: #6c5ce7;

    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(108, 92, 231, 0.35);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 4px 30px rgba(108, 92, 231, 0.12);

    --gradient-hero: linear-gradient(135deg, #5b4cdb 0%, #7c6ff7 50%, #00b0ad 100%);
}

/* Light theme background adjustments */
[data-theme="light"] .bg-grid {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}
[data-theme="light"] .orb-1 {
    background: radial-gradient(circle, rgba(108, 92, 231, 0.12), transparent 70%);
}
[data-theme="light"] .orb-2 {
    background: radial-gradient(circle, rgba(0, 206, 201, 0.1), transparent 70%);
}
[data-theme="light"] .orb-3 {
    background: radial-gradient(circle, rgba(253, 121, 168, 0.08), transparent 70%);
}
[data-theme="light"] .orb { opacity: 0.6; }
[data-theme="light"] .cursor-glow {
    background: radial-gradient(circle, rgba(108, 92, 231, 0.06), transparent 70%);
}

/* Light theme card borders get subtle shadow instead */
[data-theme="light"] .timeline-card,
[data-theme="light"] .skill-category,
[data-theme="light"] .achievement-card,
[data-theme="light"] .contact-card,
[data-theme="light"] .education-card {
    box-shadow: var(--shadow-sm);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

::selection {
    background: rgba(108, 92, 231, 0.3);
    color: var(--text-primary);
}

a { color: var(--text-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-tertiary); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
strong { color: var(--text-primary); font-weight: 600; }

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 100%);
    pointer-events: none;
}

.bg-gradient-orbs {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.3), transparent 70%);
    top: -10%; right: -10%;
}
.orb-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0, 206, 201, 0.2), transparent 70%);
    bottom: 20%; left: -10%;
    animation-delay: -7s; animation-duration: 25s;
}
.orb-3 {
    width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(253, 121, 168, 0.15), transparent 70%);
    top: 50%; right: 20%;
    animation-delay: -14s; animation-duration: 30s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

/* ============================================
   CURSOR GLOW
   ============================================ */
.cursor-glow {
    position: fixed;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.08), transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}
[data-theme="light"] .navbar.scrolled {
    background: rgba(248, 249, 252, 0.88);
}

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

.nav-logo {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    text-decoration: none;
}
.logo-text { color: var(--text-primary); transition: color var(--transition-fast); }
.logo-dot  { color: var(--accent-primary); font-size: 2rem; }
.nav-logo:hover .logo-text { color: var(--accent-secondary); }

.nav-links {
    display: flex;
    gap: var(--space-xs);
    list-style: none;
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    letter-spacing: 0.01em;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px; left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px; height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { transform: translateX(-50%) scaleX(1); }

/* Nav Actions (theme toggle + hamburger) */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}
.theme-toggle:hover {
    border-color: var(--border-hover);
    color: var(--accent-primary);
    background: var(--bg-glass-hover);
    transform: scale(1.05);
}
.theme-toggle:active { transform: scale(0.95); }

.theme-icon {
    position: absolute;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode: show sun, hide moon */
[data-theme="dark"] .theme-icon-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="dark"] .theme-icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }

/* Light mode: show moon, hide sun */
[data-theme="light"] .theme-icon-sun  { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="light"] .theme-icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* Mobile Theme Toggle */
.theme-toggle-mobile {
    width: auto;
    padding: var(--space-sm) var(--space-lg);
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    font-size: 0.9rem;
    font-family: var(--font-primary);
}
.theme-toggle-mobile .theme-icon {
    position: relative;
}
.theme-toggle-mobile .theme-icon-sun,
.theme-toggle-mobile .theme-icon-moon {
    position: absolute;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1001;
}
.toggle-bar {
    width: 24px; height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    transform-origin: center;
}
.nav-toggle.active .toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active .toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active .toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
    position: fixed; inset: 0; z-index: 999;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: all var(--transition-slow);
}
[data-theme="light"] .mobile-menu {
    background: rgba(248, 249, 252, 0.97);
}
.mobile-menu.active { opacity: 1; visibility: visible; }

.mobile-links {
    display: flex; flex-direction: column;
    align-items: center; gap: var(--space-lg);
}
.mobile-link {
    font-size: 1.5rem; font-weight: 600;
    color: var(--text-secondary); text-decoration: none;
    transition: all var(--transition-base);
    transform: translateY(20px); opacity: 0;
}
.mobile-menu.active .mobile-link { transform: translateY(0); opacity: 1; }
.mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-link:nth-child(6) { transition-delay: 0.35s; }
.mobile-link:hover { color: var(--text-primary); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative; z-index: 2;
    min-height: 100vh;
    display: flex; align-items: center;
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-xl) var(--space-3xl);
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto; width: 100%;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-3xl);
    align-items: center;
}

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

.hero-badge {
    display: inline-flex; align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: 0.8rem; color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    opacity: 0; transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards 0.2s;
}
.badge-dot {
    width: 8px; height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 184, 148, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(0, 184, 148, 0); }
}

.hero-title {
    margin-bottom: var(--space-lg);
    opacity: 0; transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards 0.4s;
}
.hero-greeting {
    display: block; font-size: 1.125rem; font-weight: 500;
    color: var(--accent-secondary); letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}
.hero-name {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900; line-height: 1.1;
    letter-spacing: -0.03em;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem; font-family: var(--font-mono);
    color: var(--text-secondary); margin-bottom: var(--space-lg);
    min-height: 1.5em;
    opacity: 0; transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards 0.6s;
}
.cursor-blink { color: var(--accent-primary); animation: blink 1s step-end infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-description {
    font-size: 1rem; color: var(--text-secondary);
    line-height: 1.7; max-width: 520px;
    margin-bottom: var(--space-2xl);
    opacity: 0; transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards 0.8s;
}

.hero-cta {
    display: flex; gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    opacity: 0; transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards 1s;
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: var(--space-sm);
    padding: 14px 28px; font-size: 0.9375rem;
    font-weight: 600; font-family: var(--font-primary);
    border-radius: var(--radius-lg); cursor: pointer;
    text-decoration: none; transition: all var(--transition-base);
    position: relative; overflow: hidden;
}
.btn-primary {
    background: var(--gradient-primary); color: white;
    border: none; box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 92, 231, 0.4);
    color: white;
}
.btn-primary::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0; transition: opacity var(--transition-fast);
}
.btn-primary:hover::before { opacity: 1; }
.btn-secondary {
    background: transparent; color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}
.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.08);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: flex; gap: var(--space-2xl);
    opacity: 0; transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards 1.2s;
}
.stat-item { text-align: left; }
.stat-number {
    font-size: 2rem; font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}
.stat-suffix {
    font-size: 1.5rem; font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    display: block; font-size: 0.8rem;
    color: var(--text-muted); margin-top: var(--space-xs);
    letter-spacing: 0.02em;
}

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

/* ── Hero Visual — Canvas ─────────────────────────────────── */
.hero-visual {
    display: flex; justify-content: center; align-items: center;
    position: relative;
    opacity: 0; animation: fadeIn 1s ease forwards 0.6s;
}
@keyframes fadeIn { to { opacity: 1; } }

#heroCanvas {
    width: 100%; aspect-ratio: 1 / 1;
    max-width: 440px;
    border-radius: var(--radius-2xl);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl); left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column;
    align-items: center; gap: var(--space-sm);
    opacity: 0; animation: fadeIn 1s ease forwards 1.5s;
}
.scroll-indicator span {
    font-size: 0.7rem; color: var(--text-muted);
    letter-spacing: 0.1em; text-transform: uppercase;
}
.scroll-mouse {
    width: 24px; height: 38px;
    border: 2px solid var(--border-subtle);
    border-radius: 12px;
    display: flex; justify-content: center; padding-top: 8px;
}
.scroll-wheel {
    width: 3px; height: 8px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    animation: scrollWheel 1.5s ease-in-out infinite;
}
@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(10px); opacity: 0; }
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    position: relative; z-index: 2;
    padding: var(--space-5xl) var(--space-xl);
}
.section-alt { background: var(--bg-secondary); }
.section-container { max-width: var(--max-width); margin: 0 auto; }

.section-header {
    display: flex; align-items: center; gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}
.section-tag {
    font-family: var(--font-mono); font-size: 0.875rem;
    font-weight: 600; color: var(--accent-primary);
    letter-spacing: 0.05em;
}
.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800; color: var(--text-primary);
    letter-spacing: -0.02em; white-space: nowrap;
}
.section-line {
    flex: 1; height: 1px;
    background: linear-gradient(90deg, var(--border-subtle), transparent);
}

/* ============================================
   ABOUT
   ============================================ */
.about-content { max-width: 800px; }
.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 1rem; line-height: 1.8;
}
.about-lead { font-size: 1.1rem !important; color: var(--text-primary) !important; }

.about-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}
.highlight-item {
    display: flex; align-items: flex-start; gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}
.highlight-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-glass-hover);
    transform: translateY(-2px);
}
.highlight-item svg { color: var(--accent-primary); flex-shrink: 0; margin-top: 2px; }
.highlight-item strong { display: block; font-size: 0.9375rem; margin-bottom: 2px; }
.highlight-item span { font-size: 0.8125rem; color: var(--text-muted); }

/* ============================================
   TIMELINE / EXPERIENCE
   ============================================ */
.timeline { position: relative; max-width: 900px; }

.timeline-item {
    display: flex; gap: var(--space-xl);
    padding-bottom: var(--space-3xl);
}
.timeline-marker {
    display: flex; flex-direction: column;
    align-items: center; flex-shrink: 0; padding-top: 6px;
}
.timeline-dot {
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 5px rgba(108, 92, 231, 0.3);
    flex-shrink: 0; z-index: 1;
}
.timeline-line {
    width: 2px; flex: 1;
    background: linear-gradient(180deg, rgba(108, 92, 231, 0.4), rgba(108, 92, 231, 0.05));
    margin-top: var(--space-sm);
}

.timeline-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-xl) var(--space-2xl);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.timeline-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateX(4px);
}

.card-header {
    display: flex; justify-content: space-between;
    align-items: flex-start; gap: var(--space-md);
    margin-bottom: var(--space-lg); flex-wrap: wrap;
}
.card-role { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }
.card-company { font-size: 0.9375rem; color: var(--accent-secondary); margin-top: 4px; font-weight: 500; }
.card-date {
    font-family: var(--font-mono); font-size: 0.8rem;
    color: var(--text-muted); white-space: nowrap;
    padding: 4px 12px; background: var(--bg-glass);
    border-radius: var(--radius-full); border: 1px solid var(--border-subtle);
}

.card-list {
    list-style: none;
    display: flex; flex-direction: column; gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}
.card-list li {
    position: relative; padding-left: var(--space-xl);
    font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7;
}
.card-list li::before {
    content: '▹'; position: absolute; left: 0;
    color: var(--accent-primary); font-size: 0.875rem;
}

.card-tags { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.tag {
    padding: 4px 12px; font-size: 0.75rem; font-weight: 500;
    color: var(--accent-secondary);
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.15);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}
.tag:hover { background: rgba(108, 92, 231, 0.2); border-color: rgba(108, 92, 231, 0.3); }

/* ============================================
   SKILLS
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}
.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}
.skill-category:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.skill-icon {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(108, 92, 231, 0.1);
    border-radius: var(--radius-lg);
    color: var(--accent-primary);
    margin-bottom: var(--space-lg);
}
.skill-category-title {
    font-size: 1.0625rem; font-weight: 700;
    color: var(--text-primary); margin-bottom: var(--space-md);
}
.skill-pills { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.skill-pill {
    padding: 6px 14px; font-size: 0.8125rem; font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: default;
}
.skill-pill:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(108, 92, 231, 0.08);
    transform: translateY(-1px);
}

/* ============================================
   ACHIEVEMENTS
   ============================================ */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}
.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), background var(--transition-base);
}
.achievement-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}

.achievement-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}
.achievement-icon-gold   { background: rgba(253, 203, 110, 0.12); color: var(--accent-gold); }
.achievement-icon-purple { background: rgba(108, 92, 231, 0.12); color: var(--accent-primary); }
.achievement-icon-blue   { background: rgba(116, 185, 255, 0.12); color: var(--accent-blue); }
.achievement-icon-green  { background: rgba(0, 184, 148, 0.12); color: var(--accent-green); }
.achievement-icon-orange { background: rgba(225, 112, 85, 0.12); color: var(--accent-orange); }

.achievement-title { font-size: 1.0625rem; font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-sm); }
.achievement-desc { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }
.achievement-desc a { text-decoration: underline; text-underline-offset: 3px; }

/* ============================================
   EDUCATION
   ============================================ */
.education-card {
    display: flex; align-items: flex-start; gap: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-3xl);
    max-width: 700px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.education-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow); }

.edu-icon {
    width: 64px; height: 64px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(108, 92, 231, 0.1);
    border-radius: var(--radius-lg);
    color: var(--accent-primary); flex-shrink: 0;
}
.edu-degree { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }
.edu-field { font-size: 1rem; color: var(--accent-secondary); margin-top: 4px; font-weight: 500; }
.edu-institution { font-size: 0.9rem; color: var(--text-secondary); margin-top: var(--space-sm); }
.edu-date {
    display: inline-block; margin-top: var(--space-md);
    font-family: var(--font-mono); font-size: 0.8rem;
    color: var(--text-muted); padding: 4px 12px;
    background: var(--bg-glass); border-radius: var(--radius-full);
    border: 1px solid var(--border-subtle);
}

/* ============================================
   CONTACT
   ============================================ */
.contact-content { max-width: 800px; }
.contact-lead { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: var(--space-2xl); line-height: 1.7; }

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-lg);
}
.contact-card {
    display: flex; flex-direction: column; gap: var(--space-sm);
    padding: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    text-decoration: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), background var(--transition-base);
}
.contact-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}
.contact-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(108, 92, 231, 0.1);
    border-radius: var(--radius-md);
    color: var(--accent-primary); margin-bottom: var(--space-sm);
}
.contact-label {
    font-size: 0.75rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
}
.contact-value { font-size: 0.9375rem; color: var(--text-primary); font-weight: 500; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    position: relative; z-index: 2;
    padding: var(--space-2xl) var(--space-xl);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}
.footer-container { max-width: var(--max-width); margin: 0 auto; }
.footer-text { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: var(--space-xs); }
.footer-copyright { font-size: 0.75rem; color: var(--text-muted); }

/* ============================================
   SCROLL REVEAL — data-reveal elements
   ============================================ */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-reveal].visible {
    opacity: 1;
    transform: translateY(0);
}
/* Preserve hover transforms after reveal */
.skill-category[data-reveal].visible:hover,
.achievement-card[data-reveal].visible:hover,
.contact-card[data-reveal].visible:hover {
    transform: translateY(-4px);
}
.timeline-card:hover { transform: translateX(4px); }
.highlight-item[data-reveal].visible:hover { transform: translateY(-2px); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    .hero-content { order: 1; }
    .hero-visual  { order: 2; }
    .hero-description { max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-stats { justify-content: center; }
    #heroCanvas { max-width: 200px; }
    .hero { min-height: auto; }
}

@media (max-width: 768px) {
    :root { --nav-height: 64px; }
    .nav-links { display: none; }
    .nav-toggle { display: flex; }

    .hero { padding: calc(var(--nav-height) + var(--space-xl)) var(--space-md) var(--space-xl); }
    .hero-name { font-size: 2.25rem; }
    .hero-stats { gap: var(--space-lg); }
    .stat-number { font-size: 1.5rem; }
    .hero-visual { display: none; }

    .section { padding: var(--space-3xl) var(--space-md); }
    .section-header { margin-bottom: var(--space-2xl); }

    .timeline-item { flex-direction: column; gap: var(--space-md); }
    .timeline-marker { flex-direction: row; gap: var(--space-md); }
    .timeline-line { width: auto; height: 2px; flex: 1; margin-top: 0; }
    .timeline-card { padding: var(--space-lg); }
    .card-header { flex-direction: column; }

    .skills-grid, .achievements-grid, .contact-grid { grid-template-columns: 1fr; }

    .education-card { flex-direction: column; padding: var(--space-xl); }
    .about-highlight { grid-template-columns: 1fr; }
    .scroll-indicator { display: none; }
}

@media (max-width: 480px) {
    .hero-cta { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .hero-stats { flex-direction: column; align-items: center; gap: var(--space-md); }
    .stat-item { text-align: center; }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    [data-reveal] { opacity: 1; transform: none; }
}

:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ── Noscript fallback ────────────────────────────────────── */
noscript article {
    max-width: 800px;
    margin: var(--space-3xl) auto;
    padding: var(--space-xl);
    color: var(--text-secondary);
    line-height: 1.8;
}
noscript h1, noscript h2, noscript h3 {
    color: var(--text-primary);
    margin: var(--space-xl) 0 var(--space-md);
}
noscript h1 { font-size: 2rem; }
noscript ul { list-style: disc; padding-left: var(--space-xl); }