/* ===================================================================
   Bootei — Cinematic scroll site
   Palette derivata dai colorway (Deserto, Asfalto, Silice, Arancione)
   =================================================================== */

:root {
  /* Palette reale del tema Bootei (Shopify) */
  --bg:      #ffffff;   /* background primario */
  --sand:    #d8d5cc;   /* tono neutro Silice (decorativo) */
  --ink:     #080808;   /* testo primario */
  --ash:     #6b6760;   /* meta / testo attenuato */
  --accent:  #25525a;   /* accent verde-petrolio */
  --dark:    #080808;   /* sfondo sezioni scure */
  --line:    rgba(8, 8, 8, 0.12);
  --white:   #ffffff;

  --font-display: "Arapey", Georgia, serif;
  --font-body:    "Poppins", system-ui, sans-serif;

  --maxw: 1280px;
  --pad: clamp(20px, 5vw, 80px);
  --nav-h: 66px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: clip; }

.page {
  position: relative;
  width: 100%;
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--nav-h);
}

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

/* ===================== Header ===================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: .14em;
}
.nav__links {
  display: flex;
  gap: 34px;
  font-size: 14px;
  letter-spacing: .04em;
}
.nav__links a { position: relative; opacity: .92; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 1px; background: currentColor; transition: width .3s ease;
}
.nav__links a:hover::after { width: 100%; }
.nav__actions { display: flex; gap: 20px; }
.nav__icon {
  background: none; border: none; color: inherit; cursor: pointer;
  font-family: var(--font-body); font-size: 14px; letter-spacing: .03em;
}
@media (max-width: 760px) {
  .nav__links { display: none; }
}

/* ===================== Loader ===================== */
.loader {
  position: fixed; inset: 0; z-index: 100;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 22px;
  background: var(--ink); color: var(--bg);
  transition: opacity .6s ease, visibility .6s ease;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__mark {
  font-family: var(--font-display); font-weight: 400;
  font-size: 26px; letter-spacing: .3em;
}
.loader__bar {
  width: 160px; height: 2px; background: rgba(244,241,234,.2);
  overflow: hidden; border-radius: 2px;
}
.loader__bar i {
  display: block; height: 100%; width: 40%;
  background: var(--accent);
  animation: load 1.1s ease-in-out infinite;
}
@keyframes load {
  0%   { transform: translateX(-120%); }
  100% { transform: translateX(420%); }
}

/* ===================== Hero track / stage ===================== */
.track { position: relative; width: 100%; }

.stage {
  position: sticky;
  top: var(--nav-h);
  width: 100%;
  height: calc(100vh - var(--nav-h));
  height: calc(100svh - var(--nav-h));
  overflow: hidden;
  background: #ffffff; /* combacia con lo sfondo bianco del video */
}

.video-source,
.video-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* Mobile / portrait: riempi l'altezza per ingrandire il soggetto della HERO.
   In verticale cover ritaglia i lati, non l'alto/basso: testa e suola restano visibili.
   Il 3D scarpa è già verticale: resta contain per non tagliare la scarpa. */
@media (max-width: 760px), (orientation: portrait) {
  .stage--hero .video-source,
  .stage--hero .video-canvas { object-fit: cover; }
}
.video-source { pointer-events: none; }
.video-canvas { display: block; }
.video-canvas[hidden] { display: none; }

/* sfondo chiaro: nessuno scrim scuro, solo un velo bianco morbido per la leggibilità del testo */
.stage__grain {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(90% 70% at 26% 42%, rgba(255,255,255,.55), transparent 60%);
}

/* ===================== Capitoli ===================== */
.chapter {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 0 var(--pad);
  opacity: 0;
  will-change: opacity, transform;
  color: var(--ink);
}
.chapter__inner { max-width: 900px; }
.chapter__inner--cta { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; }

.chapter__kicker {
  font-size: 13px; letter-spacing: .26em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 20px;
}
.chapter__title {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.005em;
  font-size: clamp(40px, 7vw, 96px);
  text-shadow: 0 1px 26px rgba(255,255,255,.7);
}
.chapter__title--xl { font-size: clamp(52px, 11vw, 150px); }
.chapter__text {
  margin-top: 22px;
  font-size: clamp(17px, 2.2vw, 24px);
  max-width: 30ch;
  color: var(--ash);
  text-shadow: 0 1px 18px rgba(255,255,255,.7);
}

/* ===================== HUD ===================== */
.hud { position: absolute; inset: 0; pointer-events: none; }
.hud__progress {
  position: absolute; left: var(--pad); right: var(--pad); bottom: 34px;
  height: 2px; background: rgba(8,8,8,.14); border-radius: 2px;
}
.hud__progress i {
  display: block; height: 100%; width: 0%;
  background: var(--accent); border-radius: 2px;
}
.scroll-hint {
  position: absolute; right: var(--pad); bottom: 54px;
  display: flex; align-items: center; gap: 12px;
  color: var(--ink); font-size: 12px; letter-spacing: .22em;
  text-transform: uppercase; transition: opacity .4s ease;
}
.scroll-hint__line {
  display: block; width: 46px; height: 1px; background: currentColor;
  transform-origin: left; animation: hint 1.8s ease-in-out infinite;
}
@keyframes hint { 0%,100% { transform: scaleX(.4); opacity:.5 } 50% { transform: scaleX(1); opacity:1 } }
.scroll-hint.is-hidden { opacity: 0; }

/* ===================== Sezioni ===================== */
.section { padding: clamp(80px, 12vh, 160px) var(--pad); scroll-margin-top: var(--nav-h); }
.section__head { max-width: var(--maxw); margin: 0 auto; }
.section__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 5.5vw, 72px);
  line-height: 1.04;
  letter-spacing: -.005em;
}
.eyebrow {
  font-size: 13px; letter-spacing: .24em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.eyebrow--light { color: var(--sand); }
.lead { font-size: clamp(17px, 1.6vw, 21px); max-width: 46ch; }
.lead--muted { color: var(--ash); margin-top: 14px; }

/* Brand */
.brand { background: var(--bg); }
.brand__grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(30px, 6vw, 90px);
  align-items: start;
}
@media (max-width: 820px) { .brand__grid { grid-template-columns: 1fr; } }

/* Collection */
.collection { background: var(--sand); }
.collection--intro { padding-bottom: clamp(48px, 7vh, 90px); }
.collection--grid { padding-top: clamp(48px, 7vh, 90px); }

/* 3D scarpa — stage cinematografico (sfondo bianco come il video) */
.stage--shoe { background: #ffffff; }
.stage--shoe .video-source,
.stage--shoe .video-canvas { object-fit: contain; }
.chapter--shoe .chapter__inner { max-width: 30ch; }
.track--shoe { background: var(--sand); }
.section__head .link-underline { display: inline-block; margin-top: 22px; }
.link-underline {
  font-size: 14px; letter-spacing: .04em; border-bottom: 1px solid var(--ink);
  padding-bottom: 3px; transition: color .3s, border-color .3s;
}
.link-underline:hover { color: var(--accent); border-color: var(--accent); }

.grid {
  max-width: var(--maxw); margin: 48px auto 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
@media (max-width: 980px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .grid { grid-template-columns: 1fr 1fr; gap: 14px; } }

.card { cursor: pointer; }
.card__swatch {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 4px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 18px 40px -28px rgba(0,0,0,.5);
  transition: transform .5s cubic-bezier(.2,.8,.2,1), box-shadow .5s ease;
}
.card:hover .card__swatch { transform: translateY(-8px); box-shadow: 0 28px 50px -26px rgba(0,0,0,.55); }
.card__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s cubic-bezier(.2,.8,.2,1);
}
.card:hover .card__img { transform: scale(1.05); }
.card__meta {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: 14px; font-size: 15px;
}
.card__name { font-weight: 500; letter-spacing: .01em; }
.card__price { color: var(--ash); }

/* Inspire */
.inspire {
  background: var(--ink); color: var(--bg);
  text-align: center;
}
.inspire__inner { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.inspire__title {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(40px, 7vw, 92px); line-height: 1.02; letter-spacing: -.005em;
  margin-bottom: 36px;
}

/* Newsletter */
.newsletter { background: var(--bg); }
.newsletter__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}
.newsletter__form { display: flex; gap: 12px; flex: 1; min-width: 0; max-width: 460px; flex-wrap: wrap; }
.newsletter__form input { min-width: 0; }
.newsletter__form input {
  flex: 1; padding: 16px 18px; border: 1px solid var(--line);
  border-radius: 4px; font-family: var(--font-body); font-size: 15px; background: var(--white);
}
.newsletter__form input:focus { outline: none; border-color: var(--accent); }

/* ===================== Bottoni ===================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 30px;
  background: var(--accent); color: var(--white);
  font-family: var(--font-body); font-weight: 500;
  font-size: 14px; letter-spacing: .08em;
  border: none; border-radius: 4px; cursor: pointer;
  transition: transform .3s ease, background .3s ease;
}
.btn:hover { transform: translateY(-2px); background: #c2461a; }
.btn--ghost {
  background: transparent; border: 1px solid rgba(244,241,234,.4); color: var(--bg);
}
.btn--ghost:hover { background: rgba(244,241,234,.1); }

/* ===================== Footer ===================== */
.footer { background: var(--ink); color: var(--bg); padding: clamp(60px,9vh,110px) var(--pad) 40px; }
.footer__top {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: baseline; gap: 28px; flex-wrap: wrap;
  padding-bottom: 50px; border-bottom: 1px solid rgba(244,241,234,.14);
}
.footer__logo { font-family: var(--font-display); font-weight: 400; font-size: clamp(44px,9vw,120px); letter-spacing: .04em; }
.footer__claim { color: var(--sand); font-size: 16px; }
.footer__cols {
  max-width: var(--maxw); margin: 50px auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
}
@media (max-width: 640px) { .footer__cols { grid-template-columns: 1fr 1fr; } }
.footer__cols h4 { font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--sand); margin-bottom: 16px; }
.footer__cols a { display: block; font-size: 15px; color: rgba(244,241,234,.78); margin-bottom: 10px; transition: color .3s; }
.footer__cols a:hover { color: var(--accent); }
.footer__legal { max-width: var(--maxw); margin: 50px auto 0; font-size: 13px; color: rgba(244,241,234,.45); }

/* ===================== Reveal on scroll ===================== */
.reveal {
  opacity: 0; transform: translateY(34px);
  transition: opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-hint__line, .loader__bar i { animation: none; }
}