/* Self-hosted fonts — replaces the render-blocking Google Fonts request.
   Generated from the Google Fonts css2 API (Inter 400-600, Space Grotesk 500-700),
   latin + latin-ext subsets only. See scripts/ / SKILL notes. */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('../fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('../fonts/spacegrotesk-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('../fonts/spacegrotesk-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    color-scheme: dark;
    /* Brand palette sampled from the Track logo */
    --bg: #07060e;
    --bg-2: #0b0a22;
    --bg-soft: #14132e;
    --fg: #e7e8f0;
    --muted: #8a8caa;
    --faint: #5a5c78;
    --accent: #6b66ff;
    --accent-2: #8f7bff;
    --accent-deep: #1a1750;
    /* Deeper accent for solid fills behind white text (>=4.5:1 contrast). */
    --accent-solid: #6058f0;
    --accent-solid-hover: #5149dd;
    --line: rgba(255, 255, 255, 0.09);
    --maxw: 1200px;
    --radius: 12px;
    --font-display: "Space Grotesk", system-ui, sans-serif;
    --font-body: "Inter", system-ui, -apple-system, sans-serif;
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--fg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* Fixed ambient glows + base gradient */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(60vw 50vh at 80% 8%, rgba(60, 50, 150, 0.22), transparent 70%),
        radial-gradient(50vw 45vh at 5% 60%, rgba(50, 45, 130, 0.16), transparent 70%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

/* Film grain overlay */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.045;
    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='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

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

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem clamp(1rem, 4vw, 3rem);
    transition: background 0.3s ease, padding 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
    background: rgba(7, 6, 16, 0.78);
    backdrop-filter: blur(12px) saturate(140%);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom-color: var(--line);
}
.brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.1em;
    z-index: 60;
}
/* Class, not a bare `span`: with editable text sizes on, a resized string is
   itself wrapped in a <span>, and `.brand span` would paint it accent-coloured. */
.brand__accent { color: var(--accent); }
.brand__mark {
    width: 0; height: 0;
    margin-left: 0.45em;
    border-top: 0.32em solid transparent;
    border-bottom: 0.32em solid transparent;
    border-right: 0.5em solid var(--accent);
}
.site-nav { display: flex; gap: clamp(1rem, 3vw, 2.2rem); }
.site-nav a {
    color: var(--muted);
    font-size: 0.88rem;
    letter-spacing: 0.02em;
    transition: color 0.2s;
    display: inline-flex;
    align-items: baseline;
    gap: 0.4em;
}
.site-nav__num { color: var(--faint); font-size: 0.7rem; font-variant-numeric: tabular-nums; }
.site-nav a:hover { color: var(--fg); }
.site-nav a:hover .site-nav__num { color: var(--accent); }

/* Hamburger toggle */
.nav-toggle { display: none; }
.nav-backdrop { display: none; }

@media (max-width: 720px) {
    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 42px; height: 42px;
        padding: 9px;
        background: none; border: none; cursor: pointer;
        z-index: 60;
    }
    .nav-toggle span {
        display: block; height: 2px; width: 100%;
        background: var(--fg); border-radius: 2px;
        transition: transform 0.3s ease, opacity 0.2s ease;
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .site-nav {
        position: fixed;
        top: 0; right: 0; bottom: 0;
        width: min(74vw, 300px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 2.2rem;
        padding: 2rem 2.4rem;
        background: rgba(7, 6, 20, 0.97);
        backdrop-filter: blur(16px);
        border-left: 1px solid var(--line);
        transform: translateX(100%);
        transition: transform 0.34s var(--ease);
        z-index: 55;
    }
    .site-nav.is-open { transform: translateX(0); }
    .site-nav a { font-size: 1.35rem; color: var(--fg); }
    .site-nav__num { font-size: 0.8rem; }
    .nav-backdrop {
        display: block; position: fixed; inset: 0;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0; transition: opacity 0.3s ease; z-index: 54;
    }
    .nav-backdrop.is-open { opacity: 1; }
    .nav-backdrop[hidden] { display: none; }
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    height: 100svh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: hidden;
}
.hero__bg {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
}
.hero__overlay {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 50% 78%, rgba(74, 60, 170, 0.4), rgba(7, 6, 16, 0) 60%),
        linear-gradient(90deg, rgba(5, 4, 16, 0.86) 0%, rgba(5, 4, 16, 0.45) 55%, rgba(5, 4, 16, 0.7) 100%);
    z-index: -1;
}
.hero__content {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 clamp(1.2rem, 4vw, 3rem);
}
.hero__eyebrow {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 1.4rem;
}
.eyebrow-line { width: 48px; height: 1px; background: var(--accent); display: inline-block; }
.hero__title {
    font-family: var(--font-display);
    font-size: clamp(3.2rem, 11vw, 8.5rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 0.92;
    margin: 0;
    text-transform: uppercase;
}
.hero__title-accent { display: block; color: transparent; -webkit-text-stroke: 1.5px var(--fg); }
.hero__sub {
    max-width: 38ch;
    color: var(--muted);
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    margin: 1.6rem 0 2.2rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6em;
    padding: 0.85rem 1.7rem;
    border-radius: 999px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: 1.5px solid transparent;
    transition: transform 0.2s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}
.btn__arrow { transition: transform 0.25s var(--ease); font-style: normal; }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--primary { background: var(--accent-solid); color: #fff; }
.btn--primary:hover { background: var(--accent-solid-hover); transform: translateY(-2px); }
.btn--ghost { border-color: rgba(231, 232, 240, 0.4); color: var(--fg); }
.btn--ghost:hover { border-color: var(--fg); background: rgba(255, 255, 255, 0.06); }

.hero__scroll {
    position: absolute; left: 50%; bottom: 1.6rem;
    transform: translateX(-50%);
    width: 26px; height: 42px;
    border: 2px solid rgba(231, 232, 240, 0.5);
    border-radius: 14px; z-index: 1;
}
.hero__scroll::after {
    content: ""; position: absolute; left: 50%; top: 8px;
    width: 4px; height: 8px; background: rgba(231, 232, 240, 0.85);
    border-radius: 2px; transform: translateX(-50%);
    animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
    0% { opacity: 0; transform: translate(-50%, 0); }
    40% { opacity: 1; }
    80% { opacity: 0; transform: translate(-50%, 14px); }
    100% { opacity: 0; }
}

/* ---------- Marquee ---------- */
.marquee {
    overflow: hidden;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 1.4rem 0;
    background: rgba(255, 255, 255, 0.015);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track { display: flex; width: max-content; animation: marquee 34s linear infinite; }
.marquee__group { display: flex; align-items: center; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2.4vw, 1.7rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    color: var(--fg);
    white-space: nowrap;
    padding: 0 1.4rem;
}
.marquee__dot { color: var(--accent); font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(4rem, 10vw, 8rem) clamp(1.2rem, 4vw, 3rem);
    scroll-margin-top: 72px;
    position: relative;
}
.eyebrow {
    display: flex; align-items: center; gap: 0.6rem;
    font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--muted); margin: 0 0 1rem;
}
.eyebrow--center { justify-content: center; }
.eyebrow__num { color: var(--accent); font-variant-numeric: tabular-nums; }
.section__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5.5vw, 3.6rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.02;
    margin: 0 0 2.6rem;
}
.section__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2.4rem;
}
.section__head .section__title { margin: 0; }
.section__link {
    font-family: var(--font-display);
    font-size: 0.92rem; color: var(--muted);
    white-space: nowrap; transition: color 0.2s;
}
.section__link:hover { color: var(--accent); }

/* ---------- Services ---------- */
.services { list-style: none; margin: 0; padding: 0; counter-reset: none;
    display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.service {
    display: flex; gap: 1.4rem;
    padding: 2rem 1.6rem;
    border-top: 1px solid var(--line);
    transition: background 0.3s var(--ease);
}
.service:nth-child(odd) { border-right: 1px solid var(--line); }
.service:hover { background: rgba(107, 102, 255, 0.06); }
.service__num {
    font-family: var(--font-display);
    font-size: 0.85rem; color: var(--accent);
    font-variant-numeric: tabular-nums; padding-top: 0.35rem;
    transition: transform 0.3s var(--ease);
}
.service:hover .service__num { transform: translateY(-2px); }
.service__body h3 {
    font-family: var(--font-display);
    margin: 0 0 0.5rem; font-size: 1.3rem; font-weight: 500;
    transition: color 0.25s;
}
.service:hover .service__body h3 { color: var(--accent-2); }
.service__body p { margin: 0; color: var(--muted); font-size: 0.97rem; }

@media (max-width: 640px) {
    .services { grid-template-columns: 1fr; }
    .service:nth-child(odd) { border-right: none; }
}

/* ---------- Filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-bottom: 2rem; }
.filter {
    background: transparent; color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 999px; padding: 0.5rem 1.15rem;
    font-family: var(--font-body);
    font-size: 0.82rem; letter-spacing: 0.02em; cursor: pointer;
    transition: all 0.2s var(--ease);
}
.filter:hover { color: var(--fg); border-color: rgba(231,232,240,0.45); transform: translateY(-1px); }
.filter.is-active { background: var(--accent-solid); border-color: var(--accent-solid); color: #fff; }

/* ---------- Gallery ---------- */
.gallery { column-count: 3; column-gap: 0.9rem; }
@media (max-width: 900px) { .gallery { column-count: 2; } }
@media (max-width: 540px) { .gallery { column-count: 1; } }

.card {
    position: relative;
    margin: 0 0 0.9rem;
    break-inside: avoid;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-soft);
    aspect-ratio: var(--w) / var(--h);
    border: 1px solid transparent;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.card:hover { border-color: rgba(107, 102, 255, 0.4); box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5); }
.card.is-hidden { display: none; }
.card__media { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.card:hover .card__media { transform: scale(1.06); }
.card__badge {
    position: absolute; top: 0.7rem; right: 0.7rem;
    width: 2.1rem; height: 2.1rem;
    display: grid; place-items: center;
    background: rgba(7, 6, 20, 0.6);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%; font-size: 0.75rem; pointer-events: none;
}
.card__cap {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 2rem 0.9rem 0.85rem;
    background: linear-gradient(to top, rgba(5, 4, 14, 0.85), transparent);
    opacity: 0; transform: translateY(6px);
    transition: opacity 0.3s, transform 0.3s;
}
.card:hover .card__cap, .card:focus-visible .card__cap { opacity: 1; transform: none; }
.card__cat {
    font-family: var(--font-display);
    font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--fg);
}
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- CTA ---------- */
.section--cta { text-align: center; }
.cta__title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 8vw, 5.5rem);
    font-weight: 700; line-height: 0.98; letter-spacing: -0.02em;
    margin: 0 0 1.3rem; text-transform: uppercase;
}
.cta__text { color: var(--muted); max-width: 44ch; margin: 0 auto 2.2rem; }
.cta__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 3rem clamp(1.2rem, 4vw, 3rem) 2rem;
    max-width: var(--maxw);
    margin: 0 auto;
}
.site-footer__top {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 1.5rem; padding-bottom: 2rem;
    border-bottom: 1px solid var(--line);
}
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 1.6rem; }
.site-footer__nav a { color: var(--muted); font-size: 0.9rem; transition: color 0.2s; }
.site-footer__nav a:hover { color: var(--accent); }
.site-footer__bottom {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem;
    padding-top: 1.6rem; color: var(--muted); font-size: 0.8rem;
}

/* ---------- Lightbox ---------- */
.lightbox {
    position: fixed; inset: 0; z-index: 100;
    display: flex; align-items: center; justify-content: center;
    background: rgba(5, 4, 12, 0.96);
    backdrop-filter: blur(6px);
    padding: clamp(1rem, 4vw, 3rem);
}
.lightbox[hidden] { display: none; }
.lightbox__stage { max-width: 92vw; max-height: 88vh; display: flex; align-items: center; justify-content: center; }
.lightbox__stage img, .lightbox__stage video { max-width: 92vw; max-height: 88vh; object-fit: contain; border-radius: 8px; }
.lightbox__close, .lightbox__nav {
    position: absolute; background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--line); color: var(--fg); cursor: pointer;
    border-radius: 50%; transition: background 0.2s, transform 0.2s;
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255, 255, 255, 0.18); transform: scale(1.05); }
.lightbox__close { top: 1.2rem; right: 1.2rem; width: 2.8rem; height: 2.8rem; font-size: 1.6rem; line-height: 1; }
.lightbox__nav { top: 50%; transform: translateY(-50%); width: 3rem; height: 3rem; font-size: 1.8rem; line-height: 1; }
.lightbox__nav:hover { transform: translateY(-50%) scale(1.05); }
.lightbox__prev { left: 1rem; }
.lightbox__next { right: 1rem; }
@media (max-width: 540px) { .lightbox__nav { width: 2.4rem; height: 2.4rem; font-size: 1.4rem; } }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s var(--ease); will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .card__media, .btn, .btn__arrow { transition: none; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero__scroll::after, .marquee__track { animation: none; }
}