:root {
    --bg: #050505;
    --fg: #f5f5f5;
    --muted: rgba(255, 255, 255, 0.6);
    --o: #FFA500;
    --t: #00CED1;
    --p: #FF1493;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: "bilo", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-weight: 500;
    line-height: 1.3;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
}

/* Film grain */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 50;
    pointer-events: none;
    opacity: 0.07;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { position: relative; z-index: 1; }

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

/* ---------- Progress bar ---------- */
.progress {
    position: fixed;
    inset: 0 0 auto 0;
    height: 3px;
    z-index: 60;
}
.progress i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--o), var(--t), var(--p));
    transform-origin: left;
    transform: scaleX(0);
}

/* ---------- Ambient background ---------- */
.ambient {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}
.blob {
    position: absolute;
    width: 75vmax;
    height: 75vmax;
    border-radius: 50%;
    opacity: 0.25;
    will-change: transform, opacity;
}
.b-o { left: -25vmax; top: -20vmax; background: radial-gradient(circle, rgba(255, 165, 0, 0.55), transparent 65%); }
.b-t { right: -30vmax; top: 10vh; background: radial-gradient(circle, rgba(0, 206, 209, 0.5), transparent 65%); }
.b-p { left: -10vmax; bottom: -35vmax; background: radial-gradient(circle, rgba(255, 20, 147, 0.5), transparent 65%); }

.cursor-glow {
    position: fixed;
    left: 0;
    top: 0;
    width: 520px;
    height: 520px;
    margin: -260px 0 0 -260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 60%);
    pointer-events: none;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.4s;
    will-change: transform;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: grid;
    place-items: center;
    padding: 4rem 1.5rem;
    overflow: hidden;
}
.hero-logo {
    width: min(900px, 86vw);
    will-change: transform, opacity, filter;
}
.js .hero-logo img {
    animation: logoIn 1.6s var(--ease) both;
}
@keyframes logoIn {
    from { opacity: 0; transform: scale(0.88) translateY(30px); filter: blur(24px); }
    to   { opacity: 1; transform: none; filter: blur(0); }
}
.scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted);
    animation: fadeIn 1s 1.6s both;
}
.scroll-hint i {
    width: 1px;
    height: 56px;
    background: linear-gradient(var(--fg), transparent);
    transform-origin: top;
    animation: drip 2s ease-in-out infinite;
}
@keyframes drip {
    0% { transform: scaleY(0); opacity: 1; }
    60% { transform: scaleY(1); opacity: 1; }
    100% { transform: scaleY(1); opacity: 0; }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Pinned chapters ---------- */
.chapter {
    position: relative;
    height: 280vh;
}
.stage {
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.bgword {
    position: absolute;
    left: 50%;
    top: 50%;
    white-space: nowrap;
    font-size: clamp(5rem, 24vw, 22rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1.5px color-mix(in srgb, var(--c) 45%, transparent);
    opacity: 0.55;
    transform: translate(-50%, -50%);
    user-select: none;
    will-change: transform;
}
.inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1100px;
    padding: 0 1.5rem;
}
.eyebrow {
    display: inline-block;
    margin-bottom: 1.6rem;
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--muted);
}
.eyebrow b { color: var(--c); font-weight: 700; }

.copy {
    margin: 0;
    font-size: clamp(1.8rem, 5.2vw, 4.4rem);
    line-height: 1.12;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-wrap: balance;
}
.js .scrub .w {
    display: inline-block;
    opacity: 0.12;
    will-change: opacity, transform;
}
.hl {
    font-style: normal;
    font-weight: 800;
    color: var(--c);
}
.js .hl { color: inherit; transition: color 0.6s, text-shadow 0.6s; }
.js .hl.lit {
    color: var(--c);
    text-shadow: 0 0 0.5em var(--c);
    animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse {
    50% { text-shadow: 0 0 0.9em var(--c), 0 0 0.2em var(--c); }
}

.meter {
    margin-top: 3rem;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}
.meter i {
    display: block;
    height: 100%;
    background: var(--c);
    box-shadow: 0 0 12px var(--c);
    transform-origin: left;
    transform: scaleX(0);
}

/* ---------- Marquee ---------- */
.marquees {
    padding: 10vh 0;
    overflow: hidden;
    transform: rotate(-3deg) scale(1.05);
}
.marquee {
    overflow: hidden;
    white-space: nowrap;
    padding: 0.4rem 0;
}
.track { display: inline-flex; will-change: transform; }
.group { display: inline-flex; align-items: center; }
.marquee span {
    font-size: clamp(3rem, 10vw, 9rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    padding: 0 0.25em;
}
.marquee .sep { color: var(--o); font-size: 0.5em; }
.marquee.outline span:not(.sep) {
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.7);
}
.marquee.outline .sep { color: var(--p); }

/* ---------- Clients ---------- */
.clients {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18vh 1.5rem 14vh;
}
.logo-grid {
    list-style: none;
    margin: 4rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    perspective: 1000px;
}
.card {
    --mx: 50%;
    --my: 50%;
    --rx: 0deg;
    --ry: 0deg;
    position: relative;
    aspect-ratio: 4 / 3;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.03);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    overflow: hidden;
    transform: rotateX(var(--rx)) rotateY(var(--ry));
    transition: transform 0.25s ease-out, border-color 0.4s;
}
.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(360px circle at var(--mx) var(--my), color-mix(in srgb, var(--c) 35%, transparent), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
}
.card:hover { border-color: color-mix(in srgb, var(--c) 60%, transparent); }
.card:hover::before { opacity: 1; }
.card img {
    position: relative;
    max-width: 62%;
    max-height: 42%;
    object-fit: contain;
    transition: transform 0.5s var(--ease);
}
.card:hover img { transform: scale(1.08); }

/* ---------- Contact ---------- */
.contact {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 2rem;
    padding: 14vh 1.5rem;
}
.big {
    margin: 0;
    font-size: clamp(2.2rem, 7.5vw, 6.2rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
}
.rotator {
    display: inline-grid;
    vertical-align: bottom;
    overflow: hidden;
    padding: 0 0.1em 0.1em;
}
.rotator span {
    grid-area: 1 / 1;
    opacity: 0;
    font-weight: 800;
    text-shadow: 0 0 0.4em currentColor;
}
.r-o { color: var(--o); }
.r-t { color: var(--t); }
.r-p { color: var(--p); }
.rotator .active { animation: wordIn 0.9s var(--ease) forwards; }
.rotator .out { animation: wordOut 0.9s var(--ease) forwards; }
@keyframes wordIn {
    from { opacity: 0; transform: translateY(70%); filter: blur(8px); }
    to   { opacity: 1; transform: none; filter: blur(0); }
}
@keyframes wordOut {
    from { opacity: 1; transform: none; filter: blur(0); }
    to   { opacity: 0; transform: translateY(-70%); filter: blur(8px); }
}

.lead {
    margin: 1rem 0 0;
    font-size: clamp(1.1rem, 2.4vw, 1.6rem);
    color: var(--muted);
}
.mail {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: clamp(1.1rem, 3.6vw, 2rem);
    font-weight: 700;
    color: var(--fg);
    text-decoration: none;
    border-radius: 999px;
    background:
        linear-gradient(var(--bg), var(--bg)) padding-box,
        linear-gradient(90deg, var(--o), var(--t), var(--p)) border-box;
    border: 2px solid transparent;
    transition: box-shadow 0.4s, transform 0.2s ease-out;
    will-change: transform;
}
a.mail:hover {
    box-shadow: 0 0 40px rgba(0, 206, 209, 0.35), 0 0 80px rgba(255, 20, 147, 0.2);
}

.profile { margin: 3rem 0 0; }
.avatar {
    position: relative;
    width: min(240px, 58vw);
    aspect-ratio: 1;
    margin: 0 auto 1.4rem;
}
.avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}
.profile figcaption { display: flex; flex-direction: column; gap: 0.2rem; font-size: clamp(1.2rem, 3vw, 1.6rem); }
.profile em { color: var(--muted); }

.foot {
    padding: 4rem 1.5rem 5rem;
    text-align: center;
    color: var(--muted);
    font-size: 1rem;
}
.foot a { color: var(--fg); text-underline-offset: 4px; transition: color 0.3s; }
.foot a:hover { color: var(--t); }

/* ---------- Reveal on scroll ---------- */
.js [data-reveal] {
    opacity: 0;
    transform: translateY(60px) scale(0.96);
    filter: blur(8px);
    transition: opacity 1s var(--ease) var(--d, 0ms), transform 1s var(--ease) var(--d, 0ms), filter 1s var(--ease) var(--d, 0ms);
}
.js [data-reveal].in {
    opacity: 1;
    transform: none;
    filter: none;
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
    .chapter { height: 240vh; }
    .eyebrow { font-size: 0.7rem; margin-bottom: 1.1rem; }
    .meter { margin-top: 2rem; }
    .card { aspect-ratio: 16 / 9; border-radius: 22px; }
    .logo-grid { margin-top: 2.5rem; }
    .contact { gap: 1.4rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .chapter { height: auto; }
    .stage { position: relative; min-height: 100svh; }
    .js .scrub .w { opacity: 1; }
    .js [data-reveal] { opacity: 1; transform: none; filter: none; transition: none; }
    .js .hero-logo img, .scroll-hint, .scroll-hint i, .js .hl.lit { animation: none; }
    .meter { display: none; }
}