:root {
    --bg: #ffffff;
    --bg-alt: #f5f3ff;
    --bg-deep: #0d0a1c;
    --line: rgba(13, 10, 28, 0.10);
    --line-strong: rgba(13, 10, 28, 0.18);
    --text: #0d0a1c;
    --text-muted: #5a5570;
    --text-dim: #8a85a0;
    --text-light: #ffffff;
    --accent: #6e44ff;
    --accent-deep: #4d2fc8;
    --accent-soft: #e9e3ff;
    --lime: #d4f76e;
    --radius: 8px;
    --radius-lg: 16px;
    --maxw: 1280px;
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', 'SF Mono', Menlo, Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-display);
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--text);
}
h1 { font-size: clamp(2.75rem, 8vw, 6rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1.25rem; letter-spacing: -0.025em; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; letter-spacing: -0.02em; }

p { color: var(--text-muted); }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}
.eyebrow::before {
    content: '//';
    color: var(--accent);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    z-index: 100;
}
.site-nav {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 1.1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}
.brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.02em;
}
.brand-mark {
    width: 22px;
    height: 22px;
    background: var(--accent);
    border-radius: 50%;
    position: relative;
    overflow: hidden;
}
.brand-mark::before {
    content: '';
    position: absolute;
    inset: 4px 4px 4px 50%;
    background: var(--lime);
}
.nav-list {
    list-style: none;
    display: flex;
    gap: 0.25rem;
    align-items: center;
}
.nav-list a {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-muted);
    padding: 0.55rem 0.9rem;
    border-radius: var(--radius);
    transition: color 0.18s;
}
.nav-list a:hover { color: var(--accent); }
.nav-list a.active { color: var(--accent); }
.nav-cta {
    background: var(--text) !important;
    color: var(--text-light) !important;
    border-radius: 999px !important;
    padding: 0.6rem 1.15rem !important;
}
.nav-cta:hover { background: var(--accent) !important; }
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--line-strong);
    color: var(--text);
    padding: 0.45rem 0.7rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1.05rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.65rem;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s, background 0.18s, color 0.18s, border-color 0.18s;
    letter-spacing: -0.01em;
}
.btn-primary { background: var(--text); color: var(--text-light); }
.btn-primary:hover { background: var(--accent); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: var(--text-light); }
.btn-accent:hover { background: var(--accent-deep); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-arrow::after { content: '→'; transition: transform 0.18s; }
.btn-arrow:hover::after { transform: translateX(3px); }

/* Hero */
.hero {
    padding: 6rem 0 4rem;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(110, 68, 255, 0.18), transparent 60%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -300px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 247, 110, 0.22), transparent 60%);
    pointer-events: none;
}
.hero-inner {
    position: relative;
    max-width: 1000px;
    text-align: left;
}
.hero h1 {
    margin-bottom: 1.75rem;
    font-size: clamp(2.75rem, 8.5vw, 7rem);
}
.hero h1 .accent { color: var(--accent); font-style: italic; font-family: 'Space Grotesk', serif; }
.hero h1 .stroke {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--text);
}
.hero-lede {
    font-size: 1.2rem;
    max-width: 560px;
    margin-bottom: 2.25rem;
}
.hero-actions { display: flex; gap: 0.85rem; flex-wrap: wrap; }

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
}
.hero-meta-item .num {
    font-size: 2.2rem;
    font-weight: 500;
    letter-spacing: -0.04em;
    color: var(--text);
}
.hero-meta-item .label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Marquee */
.marquee {
    background: var(--text);
    color: var(--text-light);
    padding: 1.25rem 0;
    overflow: hidden;
}
.marquee-track {
    display: flex;
    gap: 3rem;
    white-space: nowrap;
    animation: scroll 30s linear infinite;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    align-items: center;
}
.marquee-track span { display: inline-flex; align-items: center; gap: 3rem; }
.marquee-track .star { color: var(--lime); }
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Section */
.section { padding: 6rem 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-deep); color: var(--text-light); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--text-light); }
.section-dark p { color: rgba(255, 255, 255, 0.7); }
.section-dark .eyebrow { color: var(--lime); }
.section-head { margin-bottom: 3.5rem; max-width: 720px; }
.section-head p { font-size: 1.05rem; }
.section-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; margin-bottom: 3rem; }

/* Service grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}
.service-card {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    transition: transform 0.25s, background 0.25s;
}
.service-card:hover { transform: translateY(-3px); background: var(--bg); border-color: var(--accent); }
.service-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 1rem;
}
.service-card h3 { font-size: 1.65rem; }
.service-card p { margin-top: 0.5rem; }

/* Portfolio */
.work-filter {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}
.filter-btn {
    background: transparent;
    border: 1px solid var(--line-strong);
    color: var(--text-muted);
    padding: 0.55rem 1.15rem;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.18s;
}
.filter-btn:hover { color: var(--accent); border-color: var(--accent); }
.filter-btn.is-active { background: var(--accent); color: var(--text-light); border-color: var(--accent); }

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.work-item {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.25s;
    cursor: pointer;
}
.work-item:hover { transform: translateY(-4px); }
.work-item.is-hidden { display: none; }
.work-thumb {
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    position: relative;
    overflow: hidden;
}
.work-thumb.alt { background: linear-gradient(135deg, var(--text), var(--accent)); }
.work-thumb.alt2 { background: linear-gradient(135deg, var(--accent), var(--lime)); }
.work-thumb.alt3 { background: linear-gradient(135deg, var(--text), #2a1a4a); }
.work-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(45deg, transparent 0 20px, rgba(255, 255, 255, 0.06) 20px 21px);
}
.work-meta {
    padding: 1.25rem 1.5rem 1.5rem;
}
.work-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}
.work-cat {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    color: var(--text-dim);
    letter-spacing: 0.06em;
}
.work-year { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); }
.work-item h3 { font-size: 1.2rem; }

/* Process / accordion */
.process-list { display: flex; flex-direction: column; gap: 0.5rem; }
.process-item {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.process-item summary {
    cursor: pointer;
    list-style: none;
    padding: 1.5rem 1.75rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: background 0.18s;
}
.process-item summary::-webkit-details-marker { display: none; }
.process-item summary:hover { background: var(--accent-soft); }
.process-num {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
    min-width: 60px;
}
.process-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.4rem;
    color: var(--text);
    flex: 1;
    letter-spacing: -0.02em;
}
.process-icon {
    width: 28px;
    height: 28px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    transition: transform 0.18s;
    font-size: 1.1rem;
}
.process-item[open] .process-icon { transform: rotate(45deg); background: var(--accent); color: var(--text-light); border-color: var(--accent); }
.process-body { padding: 0 1.75rem 1.75rem 7.75rem; color: var(--text-muted); font-size: 1rem; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.team-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.25s, border-color 0.25s;
}
.team-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.team-photo {
    aspect-ratio: 5 / 6;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    position: relative;
}
.team-photo.alt { background: linear-gradient(135deg, var(--text), var(--accent)); }
.team-photo.alt2 { background: linear-gradient(135deg, var(--accent), var(--lime)); }
.team-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 30%, rgba(255, 255, 255, 0.18), transparent 65%);
}
.team-initial {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4.5rem;
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: -0.04em;
}
.team-body { padding: 1.25rem 1.5rem 1.5rem; }
.team-body h3 { font-size: 1.3rem; }
.team-role {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin-top: 0.3rem;
}

/* Form */
.form-wrap {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.field input, .field select, .field textarea {
    background: var(--bg-alt);
    border: 1px solid transparent;
    color: var(--text);
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 0.95rem;
    transition: border-color 0.18s, background 0.18s;
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg);
}
.field textarea { min-height: 130px; resize: vertical; }
.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 0.9rem;
    background: var(--bg-alt);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.15s;
}
.check:hover { background: var(--accent-soft); }
.check input { accent-color: var(--accent); }
.form-msg {
    margin-top: 1.25rem;
    padding: 0.9rem 1rem;
    border-radius: var(--radius);
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    color: var(--accent-deep);
    font-size: 0.9rem;
    display: none;
}
.form-msg.is-visible { display: block; }

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* CTA banner */
.cta-banner {
    background: var(--text);
    color: var(--text-light);
    padding: 4rem 0;
    border-radius: var(--radius-lg);
    margin: 0 1.5rem;
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(110, 68, 255, 0.45), transparent 60%);
}
.cta-banner .container { position: relative; }
.cta-banner h2 { color: var(--text-light); }
.cta-banner p { color: rgba(255, 255, 255, 0.7); }

/* Footer */
.site-footer {
    background: var(--bg-deep);
    color: var(--text-light);
    padding: 4rem 0 2rem;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-top h4 {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--lime);
    margin-bottom: 1rem;
    font-weight: 400;
}
.footer-top ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-top a, .footer-top p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
    transition: color 0.18s;
}
.footer-top a:hover { color: var(--lime); }
.footer-big {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 7rem);
    color: rgba(255, 255, 255, 0.04);
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    line-height: 1;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    flex-wrap: wrap;
    gap: 1rem;
}
.demo-badge a { color: var(--lime); }
.demo-badge a:hover { color: var(--accent); }

/* Page hero */
.page-hero {
    padding: 6rem 0 4rem;
    border-bottom: 1px solid var(--line);
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(110, 68, 255, 0.14), transparent 60%);
}
.page-hero .container { position: relative; }
.page-hero p { font-size: 1.15rem; max-width: 620px; }

@media (max-width: 980px) {
    .work-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
    .nav-toggle { display: inline-flex; }
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 1.5rem;
        gap: 0.25rem;
        display: none;
    }
    .nav-list.is-open { display: flex; }
    .site-nav { position: relative; }
    .form-row, .service-grid, .work-grid, .team-grid, .checkbox-grid, .hero-meta { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .process-body { padding-left: 1.75rem; }
}

/* Image overlays */
.media-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }