/* ============================================
   DESIGN TOKENS — DARK THEME (default)
   ============================================ */
:root,
[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --bg-glass: rgba(22, 22, 31, 0.7);

    --text-primary: #f0f0f5;
    --text-secondary: #9898a8;
    --text-muted: #6b6b7b;

    --accent-1: #7b61ff;
    --accent-2: #00d4aa;
    --accent-3: #ff6b9d;
    --accent-glow: rgba(123, 97, 255, 0.15);

    --gradient-primary: linear-gradient(135deg, #7b61ff 0%, #00d4aa 100%);
    --gradient-warm: linear-gradient(135deg, #ff6b9d 0%, #ffa726 100%);
    --gradient-cool: linear-gradient(135deg, #7b61ff 0%, #448aff 100%);

    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);

    --nav-bg: rgba(10, 10, 15, 0.85);
    --cursor-glow: rgba(123, 97, 255, 0.06);
    --selection-bg: rgba(123, 97, 255, 0.3);
    --input-bg: rgba(255, 255, 255, 0.03);
    --scrollbar-bg: rgba(123, 97, 255, 0.3);
    --scrollbar-hover: rgba(123, 97, 255, 0.5);
}

/* ============================================
   LIGHT THEME
   ============================================ */
[data-theme="light"] {
    --bg-primary: #f5f5fa;
    --bg-secondary: #eeeef4;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f8fc;
    --bg-glass: rgba(255, 255, 255, 0.8);

    --text-primary: #1a1a2e;
    --text-secondary: #5a5a72;
    --text-muted: #8888a0;

    --accent-1: #6344e8;
    --accent-2: #00b894;
    --accent-3: #e84393;
    --accent-glow: rgba(99, 68, 232, 0.1);

    --gradient-primary: linear-gradient(135deg, #6344e8 0%, #00b894 100%);

    --border-color: rgba(0, 0, 0, 0.06);
    --border-hover: rgba(0, 0, 0, 0.12);

    --nav-bg: rgba(245, 245, 250, 0.9);
    --cursor-glow: rgba(99, 68, 232, 0.04);
    --selection-bg: rgba(99, 68, 232, 0.2);
    --input-bg: rgba(0, 0, 0, 0.03);
    --scrollbar-bg: rgba(99, 68, 232, 0.2);
    --scrollbar-hover: rgba(99, 68, 232, 0.4);
}

/* ============================================
   DESIGN TOKENS — STATIC
   ============================================ */
:root {
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 60px var(--accent-glow);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

[data-theme="dark"] {
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.4s, color 0.4s;
    -webkit-text-size-adjust: 100%;
}

/* Prevent horizontal overflow on mobile */
html, body {
    max-width: 100vw;
    overflow-x: hidden;
}

::selection {
    background: var(--selection-bg);
    color: var(--text-primary);
}

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

ul {
    list-style: none;
}

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

input, textarea, select, button {
    max-width: 100%;
}

/* ============================================
   CURSOR GLOW
   ============================================ */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    background: radial-gradient(circle, var(--cursor-glow) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    will-change: transform;
}

/* ============================================
   PARTICLES
   ============================================ */
.particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(123, 97, 255, 0.3);
    border-radius: 50%;
    animation: float-particle linear infinite;
}

[data-theme="light"] .particle {
    background: rgba(99, 68, 232, 0.15);
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 2rem;
    transition: var(--transition-medium);
    backdrop-filter: blur(0px);
}

.nav.scrolled {
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 1001;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-2);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.7; }
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 1001;
}

/* Language Toggle */
.lang-toggle {
    height: 36px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: var(--transition-medium);
    text-transform: uppercase;
}

.lang-toggle:hover {
    border-color: var(--accent-1);
    color: var(--accent-1);
    background: var(--accent-glow);
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    border-color: var(--accent-1);
    color: var(--accent-1);
    transform: rotate(15deg);
}

.theme-icon {
    position: absolute;
    transition: var(--transition-medium);
}

[data-theme="dark"] .theme-icon.sun {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}
[data-theme="dark"] .theme-icon.moon {
    opacity: 0;
    transform: scale(0.5) rotate(-90deg);
}
[data-theme="light"] .theme-icon.sun {
    opacity: 0;
    transform: scale(0.5) rotate(90deg);
}
[data-theme="light"] .theme-icon.moon {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.nav-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.nav-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-link {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.mobile-link:hover {
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    min-height: 100dvh; /* Safari iOS dynamic viewport */
    display: flex;
    align-items: center;
    padding: 120px 2rem 80px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 640px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px 6px 12px;
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent-2);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-2);
    animation: pulse-dot 2s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(0, 212, 170, 0.5);
}

.hero-title {
    font-family: var(--font-display);
    margin-bottom: 1rem;
}

.hero-name {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.hero-role {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-3);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-desc {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.hero-desc strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.stat-item {
    text-align: center;
    padding: 1rem 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-medium);
}

.stat-item:hover {
    border-color: var(--accent-1);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

/* CTA Buttons */
.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 24px rgba(123, 97, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(123, 97, 255, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn-primary:hover::before {
    opacity: 1;
}

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

.btn-secondary:hover {
    border-color: var(--accent-1);
    background: var(--accent-glow);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   HERO VISUAL — ORBIT ANIMATION
   ============================================ */
.hero-visual {
    flex: 0 0 auto;
    position: relative;
}

.orbit-container {
    position: relative;
    width: 380px;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbit-center {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    z-index: 3;
    box-shadow: 0 0 40px rgba(123, 97, 255, 0.4), 0 0 80px rgba(0, 212, 170, 0.15);
    animation: center-pulse 3s ease-in-out infinite;
}

@keyframes center-pulse {
    0%, 100% { box-shadow: 0 0 40px rgba(123, 97, 255, 0.4), 0 0 80px rgba(0, 212, 170, 0.15); }
    50% { box-shadow: 0 0 60px rgba(123, 97, 255, 0.5), 0 0 120px rgba(0, 212, 170, 0.2); }
}

.orbit-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed rgba(123, 97, 255, 0.15);
}

[data-theme="light"] .orbit-ring {
    border-color: rgba(99, 68, 232, 0.12);
}

.orbit-ring-1 {
    width: 240px;
    height: 240px;
    animation: orbit-spin 30s linear infinite;
}

.orbit-ring-2 {
    width: 360px;
    height: 360px;
    animation: orbit-spin 45s linear infinite reverse;
}

@keyframes orbit-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.orbit-item {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.orbit-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-1);
    backdrop-filter: blur(10px);
    transition: var(--transition-medium);
    box-shadow: var(--shadow-sm);
}

.orbit-item:hover .orbit-icon {
    border-color: var(--accent-1);
    box-shadow: var(--shadow-glow);
    transform: scale(1.1);
}

.orbit-label {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Counter-rotate to keep items upright */
.orbit-ring-1 .orbit-item { animation: orbit-counter-rotate 30s linear infinite; }
.orbit-ring-2 .orbit-item { animation: orbit-counter-rotate 45s linear infinite reverse; }

@keyframes orbit-counter-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

/* Position items on ring 1 */
.orbit-item-1 { top: -22px; left: 50%; transform-origin: center calc(120px + 22px); }
.orbit-item-2 { bottom: -22px; left: 50%; transform-origin: center calc(-120px + 22px); }
.orbit-item-3 { left: -22px; top: 50%; transform-origin: calc(120px + 22px) center; }

/* Position items on ring 2 */
.orbit-item-4 { top: -22px; left: 50%; transform-origin: center calc(180px + 22px); }
.orbit-item-5 { bottom: -22px; right: 20px; transform-origin: center calc(-180px + 22px); }
.orbit-item-6 { right: -22px; top: 50%; transform-origin: calc(-180px + 22px) center; }

/* Glow rings */
.orbit-glow-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid transparent;
    pointer-events: none;
}

.orbit-glow-ring.ring-1 {
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(123, 97, 255, 0.03) 0%, transparent 70%);
    animation: glow-pulse 4s ease-in-out infinite;
}

.orbit-glow-ring.ring-2 {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.02) 0%, transparent 70%);
    animation: glow-pulse 4s ease-in-out infinite 2s;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.03); }
}

/* ============================================
   SECTION COMMON
   ============================================ */
.section {
    padding: 100px 2rem;
    position: relative;
    z-index: 1;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-1);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
}

/* ============================================
   TIMELINE / EXPERIENCE
   ============================================ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 20px;
    padding-top: 6px;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: 0 0 12px rgba(123, 97, 255, 0.3);
    flex-shrink: 0;
}

.timeline-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--accent-1), transparent);
    margin-top: 8px;
    opacity: 0.3;
}

.timeline-content {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition-medium);
}

.timeline-content:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.timeline-company {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.timeline-role {
    font-size: 0.9375rem;
    color: var(--accent-1);
    font-weight: 500;
}

.timeline-date {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
    padding: 4px 12px;
    background: var(--accent-glow);
    border-radius: 100px;
    border: 1px solid rgba(123, 97, 255, 0.1);
}

.timeline-list {
    margin-bottom: 1.25rem;
}

.timeline-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent-2);
}

.timeline-list li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 12px;
    background: var(--accent-glow);
    border: 1px solid rgba(123, 97, 255, 0.12);
    border-radius: 100px;
    color: var(--accent-1);
    transition: var(--transition-fast);
}

.tag:hover {
    background: rgba(123, 97, 255, 0.12);
    border-color: rgba(123, 97, 255, 0.25);
}

/* ============================================
   SKILLS
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition-medium);
}

.skill-category:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.skill-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-md);
    color: var(--accent-1);
}

.skill-category h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
}

.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-pill {
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 6px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.skill-pill:hover {
    color: var(--text-primary);
    border-color: var(--accent-1);
    background: var(--accent-glow);
    transform: translateY(-1px);
}

.education-info {
    padding-left: 0.5rem;
}

.edu-school {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.edu-degree {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--accent-1);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-medium);
}

.portfolio-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.portfolio-card.hidden {
    display: none;
}

.portfolio-card-visual {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.gradient-1 { background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); }
.gradient-2 { background: linear-gradient(135deg, #1a1a2e, #2d142c, #510a32); }
.gradient-3 { background: linear-gradient(135deg, #0c2233, #1a4a5e, #0f3460); }
.gradient-4 { background: linear-gradient(135deg, #1a1a2e, #2c1654, #4a1a6b); }
.gradient-5 { background: linear-gradient(135deg, #1a2e1a, #2e4a16, #4a6b1a); }
.gradient-6 { background: linear-gradient(135deg, #2e1a1a, #4a2e16, #6b4a1a); }

[data-theme="light"] .gradient-1 { background: linear-gradient(135deg, #e8eaf6, #c5cae9, #9fa8da); }
[data-theme="light"] .gradient-2 { background: linear-gradient(135deg, #fce4ec, #f8bbd0, #f48fb1); }
[data-theme="light"] .gradient-3 { background: linear-gradient(135deg, #e0f2f1, #b2dfdb, #80cbc4); }
[data-theme="light"] .gradient-4 { background: linear-gradient(135deg, #ede7f6, #d1c4e9, #b39ddb); }
[data-theme="light"] .gradient-5 { background: linear-gradient(135deg, #e8f5e9, #c8e6c9, #a5d6a7); }
[data-theme="light"] .gradient-6 { background: linear-gradient(135deg, #fff3e0, #ffe0b2, #ffcc80); }

.portfolio-card-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 40%, rgba(123, 97, 255, 0.1), transparent 60%);
}

.portfolio-card-icon {
    z-index: 1;
    transition: var(--transition-medium);
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .portfolio-card-icon {
    color: rgba(0, 0, 0, 0.4);
}

.portfolio-card:hover .portfolio-card-icon {
    transform: scale(1.15);
}

.portfolio-floating-stat {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-2);
}

[data-theme="light"] .portfolio-floating-stat {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.06);
}

.portfolio-card-body {
    padding: 1.5rem;
}

.portfolio-card-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 0.75rem;
}

.portfolio-card-tags span {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-1);
}

.portfolio-card-body h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.portfolio-card-body p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.portfolio-card-metrics {
    display: flex;
    gap: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-desc {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-medium);
}

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

.contact-link-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-sm);
    color: var(--accent-1);
    flex-shrink: 0;
}

.contact-link-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.contact-link-value {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    padding: 12px 16px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* Form toast notification */
.form-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--accent-2);
    border-radius: var(--radius-md);
    color: var(--accent-2);
    font-weight: 600;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    animation: toast-in 0.5s var(--transition-spring), toast-out 0.4s 3.4s ease forwards;
}

.form-toast.toast-error {
    border-color: var(--accent-3);
    color: var(--accent-3);
}

.form-toast.toast-success {
    border-color: var(--accent-2);
    color: var(--accent-2);
}

@keyframes toast-in {
    from { transform: translateY(100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes toast-out {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(100px); opacity: 0; }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-bg);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-hover);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
        min-height: auto; /* Don't force fullscreen on tablet/mobile */
        padding-bottom: 60px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-menu-btn {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding: 60px 1.5rem;
    }

    .timeline-item {
        gap: 1rem;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .timeline-header {
        flex-direction: column;
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .hero {
        padding: 90px 1rem 60px;
    }

    .contact-form-wrapper {
        padding: 1.25rem;
    }

    .portfolio-filters {
        gap: 0.375rem;
    }

    .filter-btn {
        padding: 6px 14px;
        font-size: 0.8125rem;
    }

    .section {
        padding: 50px 1rem;
    }

    .timeline-marker {
        min-width: 14px;
    }

    .timeline-item {
        gap: 0.75rem;
    }

    .timeline-content {
        padding: 1.25rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 5px 12px 5px 10px;
    }

    .hero-desc {
        font-size: 0.9375rem;
    }

    .contact-link {
        padding: 0.75rem;
    }

    .form-toast {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
}

/* Extra safety: ensure inputs never overflow */
@media (max-width: 375px) {
    .nav-inner {
        padding: 0 0.5rem;
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .stat-suffix {
        font-size: 1rem;
    }

    .stat-label {
        font-size: 0.6875rem;
    }
}

/* iOS Safari safe area support */
@supports (padding: env(safe-area-inset-bottom)) {
    .footer {
        padding-bottom: calc(2rem + env(safe-area-inset-bottom));
    }

    .form-toast {
        bottom: calc(1rem + env(safe-area-inset-bottom));
    }

    .mobile-menu {
        padding-bottom: env(safe-area-inset-bottom);
    }
}