/* ============================================================
   PATEK PHILIPPE — Cinematic Scroll Experience
   base.css · design tokens, reset, typography, chrome
   Palette & type derived from public/Branding.json
   ============================================================ */

:root {
    /* ---- colour ---- */
    --bg: #000000;
    --bg-soft: #0a0908;
    --bg-panel: #111010;
    --ink: #f3efe8;
    /* warm off-white */
    --ink-dim: #b7b0a4;
    --ink-faint: #6f685d;
    --gold: #8c7a66;
    /* Branding primary / accent */
    --gold-soft: #afa294;
    /* Branding link */
    --gold-bright: #c6ba82;
    /* Calatrava cross gold from logo */
    --hair: rgba(140, 122, 102, 0.22);
    --hair-soft: rgba(243, 239, 232, 0.08);

    /* ---- type ---- */
    --serif: "Lora", "Times New Roman", serif;
    --sans: "Open Sans", system-ui, -apple-system, Arial, sans-serif;

    /* ---- spacing scale (baseUnit 4px) ---- */
    --gutter: clamp(1.25rem, 5vw, 5rem);
    --section-pad: clamp(6rem, 16vh, 14rem);

    /* ---- motion ---- */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
    --reveal-dur: 1.15s;

    --maxw: 1500px;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: auto;
    /* Lenis owns scrolling */
}

html,
body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    overflow-x: hidden;
}

/* Lenis is active only after assets are ready */
body:not(.is-ready) {
    overflow: hidden;
    height: 100vh;
}

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

a {
    color: inherit;
    text-decoration: none;
}

::selection {
    background: var(--gold);
    color: #000;
}

/* ---------- Typography primitives ---------- */
h1,
h2,
h3 {
    font-family: var(--serif);
    font-weight: 400;
    letter-spacing: -0.01em;
    margin: 0;
}

.display {
    font-family: var(--serif);
    font-weight: 400;
    line-height: 1.04;
    letter-spacing: -0.015em;
    font-size: clamp(2.4rem, 6.4vw, 6.5rem);
}

.display em {
    font-style: italic;
    color: var(--gold-soft);
}

.lede {
    font-family: var(--serif);
    font-size: clamp(1.15rem, 1.7vw, 1.6rem);
    line-height: 1.55;
    color: var(--ink);
}

.kicker {
    display: inline-block;
    overflow: hidden;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--gold);
}

.kicker>span {
    display: inline-block;
    will-change: transform;
}

p {
    margin: 0 0 1.2em;
    color: var(--ink-dim);
    max-width: 46ch;
}

em {
    font-style: italic;
}

/* ============================================================
   PRELOADER
   ============================================================ */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: var(--bg);
    display: grid;
    place-items: center;
    transition: opacity 1s var(--ease-out), visibility 1s var(--ease-out);
}

.preloader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader__inner {
    width: min(78vw, 420px);
    text-align: center;
}

.preloader__mark {
    margin-bottom: 2.4rem;
}

.preloader__name {
    display: block;
    font-family: var(--serif);
    font-size: clamp(1.1rem, 2.4vw, 1.6rem);
    letter-spacing: 0.42em;
    text-indent: 0.42em;
    color: var(--ink);
}

.preloader__sub {
    display: block;
    margin-top: 0.7rem;
    font-size: 0.62rem;
    letter-spacing: 0.6em;
    text-indent: 0.6em;
    color: var(--gold);
}

.preloader__bar {
    position: relative;
    height: 1px;
    width: 100%;
    background: var(--hair-soft);
    overflow: hidden;
}

.preloader__fill {
    position: absolute;
    inset: 0 100% 0 0;
    background: linear-gradient(90deg, var(--gold), var(--gold-bright));
    transition: right 0.4s var(--ease-out);
}

.preloader__count {
    margin-top: 1.1rem;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--ink-faint);
    font-variant-numeric: tabular-nums;
}

.preloader__pct {
    margin-left: 0.2em;
}

/* ============================================================
   SITE HEADER + SCROLL RAIL
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 90;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: clamp(1.1rem, 2.2vw, 1.9rem) var(--gutter);
    color: #fff;
    transition: transform 0.7s var(--ease-out), padding 0.6s var(--ease-out);
    will-change: transform;
}

/* the glass veil — transparent → frosted near-black gradient */
.site-header__veil {
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0;
    background: linear-gradient(to bottom, rgba(8, 7, 6, 0.72) 0%, rgba(8, 7, 6, 0.28) 60%, transparent 100%);
    -webkit-backdrop-filter: blur(14px) saturate(110%);
    backdrop-filter: blur(14px) saturate(110%);
    -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 40%, transparent 100%);
    transition: opacity 0.8s var(--ease-out);
    pointer-events: none;
}

.site-header.is-hidden {
    transform: translateY(-115%);
}

.site-header:not(.is-hidden) .site-header__veil {
    opacity: 1;
}

/* compressed state — height reduced ~35% deeper in the page */
.site-header.is-compact {
    padding-top: clamp(0.6rem, 1.3vw, 1.1rem);
    padding-bottom: clamp(0.6rem, 1.3vw, 1.1rem);
}

.site-header__brand {
    justify-self: start;
}

.site-header__brand img {
    height: 100px !important;
    width: 150px;
    filter: brightness(0) invert(1);
    transition: height 0.6s var(--ease-out);
}

.site-header.is-compact .site-header__brand img {
    height: clamp(24px, 2.8vw, 32px);
}

.site-header__nav {
    justify-self: center;
    display: flex;
    gap: clamp(1.2rem, 2.8vw, 3rem);
    font-size: 0.66rem;
    font-weight: 300;
    letter-spacing: 0.26em;
    text-transform: uppercase;
}

.site-header__nav a {
    position: relative;
    opacity: 0.78;
    transition: opacity 0.4s var(--ease-out);
}

.site-header__nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -7px;
    height: 1px;
    width: 0;
    background: var(--gold-soft);
    transition: width 0.5s var(--ease-out);
}

.site-header__nav a:hover {
    opacity: 1;
}

.site-header__nav a:hover::after {
    width: 100%;
}

/* right — a single text link, no button styling */
.site-header__explore {
    justify-self: end;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.66rem;
    font-weight: 300;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--gold-soft);
    opacity: 0.9;
    transition: opacity 0.4s var(--ease-out);
}

.site-header__explore span {
    width: 22px;
    height: 1px;
    background: currentColor;
    transition: width 0.5s var(--ease-out);
}

.site-header__explore:hover {
    opacity: 1;
}

.site-header__explore:hover span {
    width: 36px;
}

@media (max-width: 720px) {
    .site-header__nav {
        display: none;
    }

    .site-header {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================================
   REVEAL PRIMITIVES (ScrollTrigger-equivalent state classes)
   ============================================================ */

/* masked line reveal */
.line {
    display: block;
    overflow: hidden;
}

.line>span {
    display: block;
    will-change: transform;
}

/* generic reveal element: hidden until .is-inview added by JS */
[data-reveal] {
    opacity: 0;
}

[data-reveal]:not([data-split]) {
    transform: translateY(28px);
    transition: opacity var(--reveal-dur) var(--ease-out),
        transform var(--reveal-dur) var(--ease-out);
}

[data-reveal].is-inview {
    opacity: 1;
    transform: none;
}

/* split-text: JS wraps each line in .line>span; we animate the inner span */
[data-split].is-split {
    opacity: 1;
    transform: none;
}

[data-split].is-split .line>span {
    transform: translateY(110%);
    transition: transform 1.15s var(--ease-out);
}

[data-split].is-split.is-inview .line>span {
    transform: translateY(0);
}

/* kicker underline-style mask reveal */
.kicker.reveal>span,
[data-reveal] .kicker>span {
    transform: translateY(105%);
    transition: transform 0.9s var(--ease-out);
}

.kicker.reveal.is-inview>span,
[data-reveal].is-inview .kicker>span {
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {

    [data-reveal],
    [data-split].is-split .line>span,
    .kicker>span {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .preloader {
        transition: none;
    }
}