:root {
    --bg: #0d0f14;
    --surface: #141822;
    --surface-strong: #1b2130;
    --text: #f3f5fb;
    --muted: #a4acc3;
    --line: rgba(169, 182, 220, 0.14);
    --accent: #7b61ff;
    --accent-deep: #54c7ec;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
    --radius: 8px;
    --container: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

a {
    color: inherit;
}

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

button {
    font: inherit;
}

.container {
    width: min(calc(100% - 40px), var(--container));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
    background: rgba(13, 15, 20, 0.82);
    border-bottom: 1px solid var(--line);
}

.nav {
    width: min(calc(100% - 40px), var(--container));
    margin: 0 auto;
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(20, 24, 34, 0.78);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text);
}

.hero {
    position: relative;
    min-height: calc(100vh - 76px);
    display: grid;
    align-items: stretch;
}

.hero-media,
.hero-overlay,
.hero-video {
    position: absolute;
    inset: 0;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    background:
        linear-gradient(120deg, rgba(16, 15, 13, 0.72), rgba(16, 15, 13, 0.28)),
        radial-gradient(circle at top right, rgba(123, 97, 255, 0.48), transparent 30%),
        radial-gradient(circle at left center, rgba(84, 199, 236, 0.24), transparent 28%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    align-content: center;
    gap: 18px;
    padding-block: 96px 72px;
    color: #f7f9ff;
}

.eyebrow {
    margin: 0;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: inherit;
    opacity: 0.78;
}

.hero h1,
.page-hero h1 {
    margin: 0;
    max-width: 720px;
    font-size: clamp(2.8rem, 5vw, 5.3rem);
    line-height: 1.02;
}

.hero-description,
.page-hero p,
.section-copy p,
.featured-copy p,
.work-meta p,
.about-copy p,
.timeline-item p {
    margin: 0;
    max-width: 650px;
    color: inherit;
}

.hero-description {
    font-size: 1.05rem;
    color: rgba(243, 245, 251, 0.84);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    padding-top: 10px;
}

.button {
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button.primary {
    background: var(--accent);
    color: #ffffff;
}

.button.secondary {
    background: rgba(243, 245, 251, 0.08);
    color: #ffffff;
    border: 1px solid rgba(243, 245, 251, 0.16);
}

.section {
    padding: 88px 0;
}

.surface {
    background: var(--surface);
}

.intro-grid,
.about-layout,
.contact-band {
    display: grid;
    gap: 30px;
}

.intro-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
}

.section-copy h2,
.section-heading h2,
.contact-band h2,
.about-copy h2 {
    margin: 8px 0 0;
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 1.1;
}

.section-copy p,
.section-heading p,
.about-copy p,
.contact-band p {
    color: var(--muted);
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.stat,
.featured-item,
.work-card,
.about-panel,
.contact-band {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat {
    padding: 22px 18px;
}

.stat strong {
    display: block;
    font-size: 1.2rem;
}

.stat span {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-size: 0.95rem;
}

.section-heading {
    margin-bottom: 28px;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.featured-item {
    overflow: hidden;
}

.featured-visual {
    aspect-ratio: 16 / 10;
}

.gradient-one {
    background: linear-gradient(135deg, #6a5cff, #3bb8ff);
}

.gradient-two {
    background: linear-gradient(135deg, #b14dff, #ff5ea8);
}

.gradient-three {
    background: linear-gradient(135deg, #0bb6b9, #79f0c7);
}

.featured-copy,
.work-meta {
    padding: 18px;
}

.featured-copy h3,
.work-meta h2 {
    margin: 0 0 8px;
    font-size: 1.2rem;
}

.featured-copy p,
.work-meta p {
    color: var(--muted);
}

.contact-band {
    padding: 28px;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 18px;
}

.contact-links a,
.footer-links a {
    color: var(--accent-deep);
    text-decoration: none;
}

.site-footer {
    padding: 28px 0 40px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    color: var(--muted);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 18px;
}

.page-main {
    padding-top: 16px;
}

.page-hero {
    padding: 64px 0 26px;
}

.page-hero p {
    color: var(--muted);
    max-width: 760px;
}

.works-grid {
    display: grid;
    gap: 24px;
}

.work-card {
    overflow: hidden;
}

.work-media {
    aspect-ratio: 16 / 9;
    background: #171d2b;
}

.work-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work-type {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-deep);
}

.about-layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
}

.about-panel {
    padding: 24px;
}

.portrait {
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    margin-bottom: 20px;
}

.placeholder-art {
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #7b61ff, #54c7ec 60%, #ff5ea8);
    color: white;
    font-size: 4rem;
    font-weight: 700;
}

.about-quickfacts {
    display: grid;
    gap: 18px;
}

.about-quickfacts strong,
.timeline-item span {
    display: block;
    margin-bottom: 4px;
}

.about-quickfacts span,
.timeline-item p {
    color: var(--muted);
}

.timeline {
    display: grid;
    gap: 16px;
    margin-top: 28px;
}

.timeline-item {
    padding-top: 16px;
    border-top: 1px solid var(--line);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 920px) {
    .intro-grid,
    .featured-grid,
    .contact-band,
    .about-layout {
        grid-template-columns: 1fr;
    }

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

    .contact-links {
        justify-content: flex-start;
    }
}

@media (max-width: 720px) {
    .nav {
        min-height: 70px;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 8px);
        right: 20px;
        left: 20px;
        background: rgba(20, 24, 34, 0.98);
        border: 1px solid var(--line);
        border-radius: 8px;
        box-shadow: var(--shadow);
        padding: 12px;
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .nav-links.open {
        display: flex;
    }

    .hero {
        min-height: calc(100svh - 70px);
    }

    .hero-content {
        padding-block: 72px 54px;
    }

    .hero h1,
    .page-hero h1 {
        font-size: 2.4rem;
    }

    .button {
        width: 100%;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}