:root {
    --bg: #0a0a0f;
    --bg-elevated: #12121a;
    --bg-card: #161620;
    --border: #1f1f2e;
    --border-strong: #2a2a3d;
    --text: #f4f4f8;
    --text-muted: #9090a8;
    --text-subtle: #5f5f7a;
    --accent: #7c5cff;
    --accent-2: #00d4ff;
    --accent-3: #ff6b9d;
    --accent-glow: rgba(124, 92, 255, 0.4);
    --gradient: linear-gradient(135deg, #7c5cff 0%, #00d4ff 100%);
    --gradient-text: linear-gradient(135deg, #a98bff 0%, #5ee5ff 50%, #ff8fb8 100%);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(800px circle at 10% 0%, rgba(124, 92, 255, 0.08), transparent 40%),
        radial-gradient(600px circle at 90% 50%, rgba(0, 212, 255, 0.05), transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow), transparent 70%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    opacity: 0;
    z-index: 1;
    filter: blur(60px);
}

@media (hover: hover) {
    .cursor-glow.active { opacity: 0.5; }
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

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

ul { list-style: none; }

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

/* === NAV === */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}

.nav.scrolled { border-bottom-color: var(--border); }

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.01em;
}

.brand-mark {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--gradient);
    display: grid;
    place-items: center;
    font-weight: 800;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.brand-accent { color: var(--text-muted); font-weight: 500; }

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    position: relative;
}

.nav-links a:hover { color: var(--text); }

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px; left: 0;
    width: 0; height: 2px;
    background: var(--gradient);
    transition: width var(--transition);
}

.nav-links a:hover::after { width: 100%; }

.nav-cta { display: inline-flex; }

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

.nav-toggle span {
    width: 22px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-sm { padding: 10px 18px; font-size: 14px; }

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-strong);
}

.btn-ghost:hover {
    background: var(--bg-elevated);
    border-color: var(--accent);
}

.btn-block { width: 100%; }

/* === HERO === */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 30%, transparent 70%);
    opacity: 0.4;
}

.hero-inner { text-align: left; max-width: 900px; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.status-dot {
    width: 8px; height: 8px;
    background: #00ff88;
    border-radius: 50%;
    box-shadow: 0 0 12px #00ff88;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
}

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

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

.hero-sub {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

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

.stat-num {
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-subtle);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-subtle), transparent);
    animation: scroll-down 2s infinite;
}

@keyframes scroll-down {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* === SECTIONS === */
.section {
    padding: 120px 0;
    position: relative;
}

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

.section-head { margin-bottom: 64px; max-width: 700px; }

.section-num {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 16px;
}

.section-sub {
    font-size: 17px;
    color: var(--text-muted);
}

/* === ABOUT === */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-text .lead {
    font-size: 22px;
    color: var(--text);
    margin-bottom: 24px;
    font-weight: 500;
    line-height: 1.5;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 16px;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    color: var(--accent);
    font-weight: 600;
    font-size: 15px;
    margin-top: 8px;
    transition: gap var(--transition);
}

.link-arrow:hover { color: var(--accent-2); }

.about-skills {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.skills-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.skill-group { margin-bottom: 24px; }
.skill-group:last-child { margin-bottom: 0; }

.skill-label {
    display: block;
    font-size: 13px;
    color: var(--text-subtle);
    margin-bottom: 10px;
    font-family: 'JetBrains Mono', monospace;
}

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

.tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text);
    transition: all var(--transition);
}

.tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.tag-sm { font-size: 12px; padding: 4px 10px; }

/* === WORK === */
.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-visual {
    height: 220px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding: 24px;
}

.project-card[data-color="purple"] .project-visual {
    background: linear-gradient(135deg, #7c5cff 0%, #2e1a6b 100%);
}
.project-card[data-color="cyan"] .project-visual {
    background: linear-gradient(135deg, #00d4ff 0%, #0a4566 100%);
}
.project-card[data-color="orange"] .project-visual {
    background: linear-gradient(135deg, #ff8a3c 0%, #6b2e0a 100%);
}
.project-card[data-color="green"] .project-visual {
    background: linear-gradient(135deg, #00ff88 0%, #0a663d 100%);
}

.project-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

.project-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 24px 24px;
}

.project-label {
    position: relative;
    z-index: 2;
    padding: 6px 12px;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(10px);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.05em;
}

.project-body { padding: 28px; }

.project-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-title {
    font-size: 24px;
    font-weight: 700;
    margin: 12px 0 12px;
    letter-spacing: -0.01em;
}

.project-desc {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tags { display: flex; gap: 6px; flex-wrap: wrap; }

/* === SERVICES === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
    position: relative;
    transition: all var(--transition);
}

.service:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
}

.service-featured {
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.1), rgba(0, 212, 255, 0.05));
    border-color: var(--accent);
}

.service-badge {
    position: absolute;
    top: 20px; right: 20px;
    padding: 4px 10px;
    background: var(--gradient);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.service-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    display: grid;
    place-items: center;
    color: var(--accent);
    margin-bottom: 24px;
}

.service-icon svg { width: 24px; height: 24px; }

.service-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-desc {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-list {
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.service-list li {
    padding: 8px 0;
    color: var(--text);
    font-size: 14px;
    position: relative;
    padding-left: 22px;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 14px;
    width: 12px; height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

/* === PROCESS === */
.process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    counter-reset: step;
}

.process-step {
    position: relative;
    padding-top: 24px;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 40px; height: 2px;
    background: var(--gradient);
    border-radius: 2px;
}

.process-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 12px;
    display: block;
}

.process-step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.process-step p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* === CONTACT === */
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 64px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--accent-glow), transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.contact-text { position: relative; z-index: 2; }

.contact-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: 16px 0 20px;
}

.contact-sub {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.contact-info { display: flex; flex-direction: column; gap: 16px; }

.contact-link {
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

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

.contact-label {
    font-size: 12px;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.contact-value { font-size: 16px; font-weight: 500; color: var(--text); }

.contact-form {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.field { display: flex; flex-direction: column; gap: 8px; }

.field label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.field input,
.field textarea {
    padding: 14px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 15px;
    font-family: inherit;
    transition: all var(--transition);
    resize: vertical;
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.form-note {
    font-size: 13px;
    color: var(--accent-2);
    text-align: center;
    min-height: 18px;
}

/* === FOOTER === */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    margin-top: 80px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.footer-copy {
    color: var(--text-subtle);
    font-size: 14px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

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

/* === RESPONSIVE === */
@media (max-width: 900px) {
    .nav-links, .nav-cta { display: none; }
    .nav-toggle { display: flex; }

    .nav-links.open {
        display: flex;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--bg-elevated);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border);
    }

    .about-grid,
    .services-grid,
    .work-grid,
    .process,
    .contact-card {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-card { padding: 32px 24px; }

    .section { padding: 80px 0; }

    .hero { padding: 100px 0 60px; }

    .hero-stats { gap: 32px; }

    .hero-scroll { display: none; }
}

@media (max-width: 500px) {
    .hero-cta { flex-direction: column; }
    .btn { width: 100%; }
    .nav-inner { padding: 14px 20px; }
    .stat-num { font-size: 28px; }
}

/* === ANIMATIONS ON SCROLL === */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

::selection { background: var(--accent); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }