/* ============================================
   Shine Developer — Styles
   ============================================ */

:root {
    --bg-0: #05050a;
    --bg-1: #0a0a14;
    --bg-2: #11111e;
    --surface: rgba(20, 20, 32, 0.6);
    --surface-2: rgba(28, 28, 44, 0.5);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text-0: #ffffff;
    --text-1: #e8e8f0;
    --text-2: #b4b4c8;
    --text-3: #80808f;
    --accent-cyan: #00f0ff;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --accent-orange: #fb923c;
    --accent-green: #34d399;
    --gradient-1: linear-gradient(135deg, #00f0ff 0%, #a855f7 100%);
    --gradient-2: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --gradient-3: linear-gradient(135deg, #00f0ff 0%, #34d399 100%);
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 60px rgba(168, 85, 247, 0.3);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-0);
    color: var(--text-1);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* ============================================
   Background Effects
   ============================================ */

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.gradient-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.mesh-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    animation: float 20s ease-in-out infinite;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #00f0ff 0%, transparent 70%);
    top: -200px;
    left: -200px;
}

.blob-2 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, #a855f7 0%, transparent 70%);
    top: 40%;
    right: -250px;
    animation-delay: -7s;
}

.blob-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #ec4899 0%, transparent 70%);
    bottom: -150px;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -80px) scale(1.1); }
    66% { transform: translate(-40px, 60px) scale(0.9); }
}

/* ============================================
   Navbar
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: rgba(10, 10, 20, 0.5);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid transparent;
    transition: all 0.4s var(--ease);
}

.navbar.scrolled {
    background: rgba(10, 10, 20, 0.85);
    border-bottom-color: var(--border);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-0);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.logo-mark {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s var(--ease);
}

.logo-mark svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 12px rgba(168, 85, 247, 0.5));
}

.nav-logo:hover .logo-mark {
    transform: rotate(15deg) scale(1.1);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    color: var(--text-2);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 500;
    transition: all 0.3s var(--ease);
    position: relative;
}

.nav-link:hover {
    color: var(--text-0);
    background: var(--surface);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-0);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 32px 80px;
    z-index: 2;
}

.hero-content {
    max-width: 980px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: var(--surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-2);
    margin-bottom: 32px;
    font-family: 'JetBrains Mono', monospace;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 12px var(--accent-green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--text-0);
    margin-bottom: 28px;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-2);
    max-width: 640px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s var(--ease);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.4s var(--ease);
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--bg-0);
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 240, 255, 0.4);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-ghost {
    background: var(--surface);
    color: var(--text-0);
    border-color: var(--border);
    backdrop-filter: blur(20px);
}

.btn-ghost:hover {
    background: var(--surface-2);
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    line-height: 1;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 8px;
    font-family: 'JetBrains Mono', monospace;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-3);
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: bobble 3s ease-in-out infinite;
}

@keyframes bobble {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

.mouse {
    width: 22px;
    height: 36px;
    border: 1.5px solid var(--text-3);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--text-2);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

/* ============================================
   Section Common
   ============================================ */

section {
    position: relative;
    z-index: 2;
    padding: 120px 32px;
}

.section-header {
    max-width: 1280px;
    margin: 0 auto 80px;
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    letter-spacing: 0.15em;
    margin-bottom: 20px;
    padding: 6px 14px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 100px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-0);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    color: var(--text-2);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Apps Section
   ============================================ */

.apps {
    max-width: 1280px;
    margin: 0 auto;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.app-card {
    position: relative;
    background: var(--surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0;
    transition: all 0.5s var(--ease);
    overflow: hidden;
    cursor: pointer;
}

.app-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, transparent 30%, var(--card-color, var(--accent-cyan)) 50%, transparent 70%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s var(--ease);
}

.app-card[data-color="cyan"] { --card-color: var(--accent-cyan); }
.app-card[data-color="purple"] { --card-color: var(--accent-purple); }
.app-card[data-color="pink"] { --card-color: var(--accent-pink); }
.app-card[data-color="orange"] { --card-color: var(--accent-orange); }
.app-card[data-color="green"] { --card-color: var(--accent-green); }

.app-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-strong);
    background: var(--surface-2);
}

.app-card:hover::before {
    opacity: 1;
}

.card-glow {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 300px;
    background: var(--card-color, var(--accent-cyan));
    filter: blur(80px);
    opacity: 0;
    transition: opacity 0.6s var(--ease);
    border-radius: 50%;
    pointer-events: none;
}

.app-card:hover .card-glow {
    opacity: 0.2;
}

.card-inner {
    position: relative;
    padding: 36px 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--card-color, var(--accent-cyan));
    transition: all 0.5s var(--ease);
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.app-card:hover .card-icon {
    background: var(--card-color, var(--accent-cyan));
    color: var(--bg-0);
    transform: scale(1.05) rotate(-3deg);
}

.card-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.card-tag,
.card-platform {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    padding: 4px 10px;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-2);
    letter-spacing: 0.05em;
}

.card-tag {
    color: var(--card-color, var(--accent-cyan));
    background: color-mix(in srgb, var(--card-color, var(--accent-cyan)) 10%, transparent);
    border-color: color-mix(in srgb, var(--card-color, var(--accent-cyan)) 30%, transparent);
}

.card-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-0);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.card-desc {
    font-size: 0.95rem;
    color: var(--text-2);
    line-height: 1.65;
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.card-stack {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
    background: rgba(255, 255, 255, 0.03);
    padding: 4px 10px;
    border-radius: 6px;
}

.card-arrow {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--card-color, var(--accent-cyan));
    color: var(--bg-0);
    transition: transform 0.4s var(--ease);
}

.card-arrow svg {
    width: 16px;
    height: 16px;
}

.app-card:hover .card-arrow {
    transform: rotate(0deg) translateX(4px);
}

.app-card-coming {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.05), rgba(0, 240, 255, 0.05));
    border-style: dashed;
}

.app-card-coming .card-icon {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(0, 240, 255, 0.1));
    animation: spin 8s linear infinite;
}

.app-card-coming .card-icon svg {
    animation: spin 8s linear infinite reverse;
}

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

/* ============================================
   About Section
   ============================================ */

.about {
    max-width: 1280px;
    margin: 0 auto;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.visual-frame {
    position: relative;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    z-index: 1;
}

.visual-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border);
}

.visual-dots {
    display: flex;
    gap: 6px;
}

.visual-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-3);
}

.visual-dots span:nth-child(1) { background: #ff5f57; }
.visual-dots span:nth-child(2) { background: #ffbd2e; }
.visual-dots span:nth-child(3) { background: #28c940; }

.visual-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
}

.visual-code {
    padding: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-2);
    overflow-x: auto;
}

.visual-code code {
    white-space: pre;
}

.c-comment { color: #6b7280; font-style: italic; }
.c-key { color: var(--accent-pink); }
.c-var { color: var(--accent-cyan); }
.c-prop { color: var(--accent-purple); }
.c-str { color: var(--accent-green); }
.c-fn { color: var(--accent-orange); }

.visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3), transparent 70%);
    filter: blur(60px);
    z-index: -1;
    opacity: 0.6;
}

.about-content p {
    color: var(--text-2);
    margin-bottom: 20px;
    font-size: 1.02rem;
    line-height: 1.8;
}

.about-content strong {
    color: var(--text-0);
    font-weight: 600;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 32px;
}

.about-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
}

.pill {
    padding: 8px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-1);
    font-family: 'JetBrains Mono', monospace;
    backdrop-filter: blur(10px);
    transition: all 0.3s var(--ease);
}

.pill:hover {
    background: var(--surface-2);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
    max-width: 1280px;
    margin: 0 auto;
}

.contact-container {
    display: flex;
    justify-content: center;
}

.contact-card {
    max-width: 720px;
    width: 100%;
    text-align: center;
    padding: 56px 48px;
    background: var(--surface);
    backdrop-filter: blur(30px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-purple), transparent);
}

.contact-card .section-title {
    margin-bottom: 16px;
}

.contact-desc {
    color: var(--text-2);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 18px 28px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-0);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.05rem;
    transition: all 0.4s var(--ease);
    margin-bottom: 40px;
}

.contact-email:hover {
    border-color: var(--accent-cyan);
    background: var(--bg-2);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 240, 255, 0.15);
}

.contact-email:hover .email-arrow {
    transform: translateX(4px) rotate(0deg);
}

.email-icon svg,
.email-arrow svg {
    width: 20px;
    height: 20px;
}

.email-icon {
    color: var(--accent-cyan);
}

.email-arrow {
    color: var(--text-3);
    transition: all 0.4s var(--ease);
}

.contact-quote {
    position: relative;
    padding: 24px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-purple);
}

.quote-mark {
    width: 24px;
    height: 24px;
    color: var(--accent-purple);
    opacity: 0.5;
    margin-bottom: 8px;
}

.contact-quote p {
    color: var(--text-2);
    font-style: italic;
    font-size: 1rem;
}

.contact-quote em {
    color: var(--text-0);
    font-style: normal;
    font-weight: 600;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    position: relative;
    z-index: 2;
    padding: 48px 32px 32px;
    border-top: 1px solid var(--border);
    background: rgba(5, 5, 10, 0.6);
    backdrop-filter: blur(20px);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-0);
    font-weight: 600;
    font-size: 1.05rem;
}

.footer-brand .logo-mark {
    width: 28px;
    height: 28px;
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    color: var(--text-2);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s var(--ease);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-3);
    font-size: 0.85rem;
}

.beian a {
    color: var(--text-3);
    text-decoration: none;
    transition: color 0.3s var(--ease);
    font-family: 'JetBrains Mono', monospace;
}

.beian a:hover {
    color: var(--accent-cyan);
}

/* ============================================
   Reveal Animations
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

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

@media (max-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-content {
        text-align: center;
    }

    .about-pills {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 20px;
    }

    .nav-container {
        padding: 0 20px;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: 20px;
        left: 20px;
        flex-direction: column;
        background: rgba(10, 10, 20, 0.95);
        backdrop-filter: blur(30px);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 16px;
        gap: 4px;
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: all 0.4s var(--ease);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-link {
        padding: 12px 16px;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 20px 60px;
        min-height: 90vh;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-stats {
        gap: 32px;
    }

    .stat-num {
        font-size: 2rem;
    }

    .scroll-indicator {
        display: none;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .apps-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .card-inner {
        padding: 28px 24px;
    }

    .card-title {
        font-size: 1.4rem;
    }

    .contact-card {
        padding: 40px 24px;
    }

    .contact-email {
        flex-direction: column;
        gap: 10px;
        padding: 20px;
        font-size: 0.95rem;
        word-break: break-all;
    }

    .footer-top {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-num {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.72rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* Selection */
::selection {
    background: rgba(168, 85, 247, 0.3);
    color: var(--text-0);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-0);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-2);
    border-radius: 10px;
    border: 2px solid var(--bg-0);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}