/* =========================================================
   LSLELAB 闁?framework rebuilt from the MONO reference
   ========================================================= */

@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-500.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-700.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

:root {
  --ink: #0a0a0a;
  --paper: #ffffff;
  --muted: #737373;
  --faint: #a3a3a3;
  --line: #e6e6e6;
  --radius: 26px;
  --pad: clamp(20px, 5vw, 72px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  width: min(90%, 768px);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 8px 0 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  box-shadow:
    0 1px 1px rgba(0, 0, 0, 0.04),
    0 10px 30px rgba(0, 0, 0, 0.07);
  transition: transform 0.5s var(--ease), opacity 0.4s ease;
}
.nav.is-hidden { transform: translate(-50%, -140%); opacity: 0; }

.brand {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: clamp(18px, 3vw, 44px);
  font-size: 14px;
  color: #6b6b6b;
  flex: 1;
  justify-content: center;
}
.nav-links a { transition: color 0.3s ease; }
.nav-links a:hover { color: var(--ink); }

.nav-cta {
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform 0.4s var(--ease), background 0.3s ease;
}
.nav-cta:hover { transform: translateY(-1px); background: #262626; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  padding-top: 0;
  display: block;
  overflow: hidden;
}

.hero-word {
  position: relative;
  z-index: 1;
  margin-top: 64px;
  font-size: clamp(64px, 22.4vw, 352px);
  font-weight: 700;
  letter-spacing: -0.062em;
  line-height: 0.8;
  white-space: nowrap;
  text-align: center;
  color: var(--ink);
  will-change: transform;
  user-select: none;
}

.hero-stage {
  position: absolute;
  left: 50%;
  bottom: clamp(14px, 3vh, 30px);
  transform: translateX(-50%);
  z-index: 2;
  width: min(92vw, 940px);
  height: clamp(380px, 64vh, 640px);
}

.hero-card {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: #0d0a09;
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.55);
  will-change: transform;
}

.scene {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      #120c09 0%,
      #2e1d14 30%,
      #6a452e 50%,
      #3a2418 68%,
      #0c0806 100%);
}
.scene-sun {
  position: absolute;
  left: 50%;
  top: 14%;
  width: 62%;
  aspect-ratio: 1;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(255, 196, 132, 0.5) 0%, rgba(255, 168, 96, 0.18) 38%, transparent 68%);
  filter: blur(26px);
}
.scene-ground {
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: -6%;
  height: 42%;
  background:
    radial-gradient(58% 88% at 50% 4%, rgba(122, 82, 54, 0.5), rgba(10, 8, 7, 0) 70%),
    linear-gradient(to top, rgba(4, 3, 3, 0.96) 0%, rgba(9, 7, 6, 0.55) 38%, transparent 72%);
  filter: blur(14px);
}
.scene-grain {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  mix-blend-mode: overlay;
  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='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}
.hero-card::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 36%;
  background: linear-gradient(to top, rgba(4, 3, 3, 0.72), rgba(4, 3, 3, 0.1) 60%, transparent);
  pointer-events: none;
}

#wolf {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 82%;
  height: 84%;
  opacity: 0;
  transition: opacity 1.2s ease;
  -webkit-mask-image: linear-gradient(to bottom, #000 62%, transparent 92%);
  mask-image: linear-gradient(to bottom, #000 62%, transparent 92%);
}
#wolf.is-ready { opacity: 1; }

.hero-caption {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 7%;
  text-align: center;
  color: #fff;
  font-size: clamp(17px, 2.1vw, 30px);
  line-height: 1.28;
  letter-spacing: -0.025em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
}

.hero-tag,
.hero-scroll {
  position: absolute;
  z-index: 3;
  bottom: 26px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}
.hero-tag { left: 28px; }
.hero-scroll {
  right: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-scroll::after {
  content: '';
  width: 34px;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
}

/* ---------- gallery strip ---------- */

.strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 8vh 8px 9vh;
  align-items: center;
  background: #fff;
}

.strip-col {
  margin: 0;
  height: var(--h, 64vh);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.strip-col[data-i='0'] { --h: 58vh; }
.strip-col[data-i='1'] { --h: 72vh; }
.strip-col[data-i='2'] { --h: 64vh; }
.strip-col[data-i='3'] { --h: 78vh; }
.strip-col[data-i='4'] { --h: 60vh; }

.strip-col img {
  width: 100%;
  height: 112%;
  object-fit: cover;
  object-position: center 42%;
  will-change: transform;
}

/* ---------- phrases ---------- */

.phrases {
  position: relative;
  height: 260vh;
  background: #fff;
}
.phrases-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  place-items: center;
  padding: 0 var(--pad);
}
.phrase {
  position: absolute;
  font-size: clamp(38px, 6.4vw, 92px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-align: center;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.phrase.is-active { opacity: 1; transform: none; }

/* ---------- intro ---------- */

.intro {
  padding: clamp(90px, 13vw, 190px) var(--pad);
  max-width: 1320px;
  margin: 0 auto;
}
.intro-lead {
  font-size: clamp(23px, 3.1vw, 42px);
  line-height: 1.28;
  letter-spacing: -0.032em;
  max-width: 21em;
}
.intro-grid {
  margin-top: clamp(56px, 8vw, 96px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 64px);
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.intro-cell h4 {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 10px;
}
.intro-cell p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 28em;
}

/* ---------- feature ---------- */

.feature {
  position: relative;
  height: 220vh;
  background: #0a0a0a;
}
.feature-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}
.feature-media {
  position: absolute;
  inset: 0;
  will-change: transform;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.55));
}
.feature-line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12%;
  text-align: center;
  color: #fff;
  font-size: clamp(26px, 3.6vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.035em;
  padding: 0 var(--pad);
}
.feature-line span {
  display: block;
  margin-top: 18px;
  font-size: clamp(13px, 1.1vw, 15px);
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.62);
}

/* ---------- statement ---------- */

.statement {
  background: #000;
  padding: clamp(120px, 18vw, 260px) var(--pad);
}
.statement p {
  max-width: 17em;
  margin: 0 auto;
  text-align: center;
  color: #fff;
  font-size: clamp(28px, 4.4vw, 68px);
  line-height: 1.14;
  letter-spacing: -0.038em;
}

/* ---------- options ---------- */

.options {
  padding: clamp(80px, 11vw, 150px) var(--pad) clamp(60px, 8vw, 110px);
  max-width: 1440px;
  margin: 0 auto;
}
.options-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(28px, 3.4vw, 48px);
}
.options-head h2 {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 500;
  letter-spacing: -0.035em;
}
.options-head span { font-size: 13px; color: var(--faint); }

.options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.4vw, 34px);
}

.card-media {
  aspect-ratio: 2 / 3;
  border-radius: 14px;
  overflow: hidden;
  background: #f2f2f2;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.card:hover .card-media img { transform: scale(1.04); }

.card-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
}
.card-foot h3 { font-size: 17px; font-weight: 500; letter-spacing: -0.02em; }
.card-foot .price { font-size: clamp(18px, 1.6vw, 24px); letter-spacing: -0.02em; }
.card > p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 30em;
}

/* ---------- stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: clamp(56px, 7vw, 92px) var(--pad);
  border-top: 1px solid var(--line);
  max-width: 1440px;
  margin: 0 auto;
}
.stat .label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 10px;
}
.stat .value {
  font-size: clamp(30px, 3.4vw, 50px);
  font-weight: 500;
  letter-spacing: -0.035em;
}

/* ---------- quote ---------- */

.quote {
  position: relative;
  min-height: 86vh;
  display: grid;
  place-content: center;
  justify-items: center;
  padding: clamp(90px, 12vw, 160px) var(--pad);
  text-align: center;
  overflow: hidden;
}
.quote-media {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 70% at 50% 40%, #2c1d15 0%, #0d0a08 62%, #050404 100%);
}
.quote p {
  position: relative;
  color: #fff;
  font-size: clamp(23px, 3.1vw, 44px);
  line-height: 1.24;
  letter-spacing: -0.032em;
  max-width: 20em;
}
.quote-cta {
  position: relative;
  margin-top: clamp(28px, 4vw, 48px);
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  font-size: 14px;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.quote-cta:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.55); }

/* ---------- footer ---------- */

.footer {
  padding: clamp(56px, 7vw, 96px) var(--pad) 28px;
  border-top: 1px solid var(--line);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: clamp(24px, 4vw, 56px);
}
.footer-mark { font-size: 15px; font-weight: 500; letter-spacing: -0.01em; }
.footer-brand p {
  margin-top: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 28ch;
}
.footer-col h4 { font-size: 13px; font-weight: 500; margin-bottom: 14px; }
.footer-col a {
  display: block;
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 9px;
  transition: color 0.25s ease;
}
.footer-col a:hover { color: var(--ink); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(48px, 6vw, 80px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--faint);
}

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .nav { height: 52px; padding: 0 6px 0 18px; width: 92%; }
  .nav-links { display: none; }

  .hero { min-height: 560px; }
  .hero-word { margin-top: 74px; font-size: 21vw; }
  .hero-stage { width: 92vw; height: clamp(360px, 66vh, 560px); bottom: 16px; }
  #wolf { width: 100%; height: 86%; }
  .hero-caption { bottom: 10%; font-size: 15px; }
  .hero-tag, .hero-scroll { display: none; }

  .strip {
    display: flex;
    gap: 8px;
    padding: 7vh 16px 8vh;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .strip::-webkit-scrollbar { display: none; }
  .strip-col {
    flex: 0 0 66vw;
    height: 86vw;
    scroll-snap-align: center;
    border-radius: 10px;
  }
  .strip-col[data-i='0'] { --h: 74vw; }
  .strip-col[data-i='1'] { --h: 86vw; }
  .strip-col[data-i='2'] { --h: 80vw; }
  .strip-col[data-i='3'] { --h: 90vw; }
  .strip-col[data-i='4'] { --h: 76vw; }

  .intro-grid { grid-template-columns: 1fr; gap: 26px; }
  .options-grid { grid-template-columns: 1fr; gap: 34px; }
  .card-media { aspect-ratio: 4 / 5; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .phrase { transition: none; }
  #wolf { transition: none; }
}