/* ============================================
   LASUISUI Home — Landing Page v2.0
   手作手札 · 作品集环境图形
   ============================================ */

.home {
  width: 100vw; min-height: 100vh;
  position: relative; padding: 0;
  display: flex; flex-direction: column; align-items: center;
}

/* === Top Brand Bar === */
.brand-bar {
  width: 100%; max-width: 1280px;
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 40px 16px;
  font-family: var(--font-sans); font-size: 12px;
  color: var(--c-paper-warm); letter-spacing: 0.18em;
  position: relative; z-index: 5;
}
.brand-bar .brand-mark {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-hand);
  color: var(--c-gold); font-size: 14px; letter-spacing: 0.25em;
}
.brand-bar .brand-mark::before {
  content: ''; display: inline-block;
  width: 14px; height: 14px;
  border: 1.5px solid var(--c-gold); border-radius: 50%;
  background: radial-gradient(circle, var(--c-gold) 0%, var(--c-gold) 35%, transparent 40%);
  opacity: 0.9;
}
.brand-bar .nav { display: flex; gap: 28px; }
.brand-bar .nav a {
  color: var(--c-paper-warm); text-decoration: none;
  position: relative; transition: color 0.3s;
}
.brand-bar .nav a:hover { color: var(--c-gold); }
.brand-bar .nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 1px; background: var(--c-gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.brand-bar .nav a:hover::after { transform: scaleX(1); }

/* === HERO === */
.hero {
  position: relative; width: 100%; max-width: 1280px;
  padding: 40px 40px 60px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center; min-height: 600px;
  z-index: 5;
}

/* Hero artwork (left) */
.hero-artwork { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-artwork .artwork-anchor { position: relative; width: 100%; max-width: 480px; aspect-ratio: 3/4; }

.floating-rune { position: absolute; z-index: 3; animation: float-rune 5s ease-in-out infinite; }
.floating-rune:nth-child(2) { animation-delay: 1.5s; }
.floating-rune:nth-child(3) { animation-delay: 3s; }
@keyframes float-rune {
  0%, 100% { transform: translateY(0) rotate(-8deg); }
  50% { transform: translateY(-12px) rotate(0deg); }
}

/* === 5 身份弧形排列 (Home 装饰) === */
.identity-orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}
.orbit-portrait {
  position: absolute;
  top: 50%; left: 50%;
  width: 56px; height: 68px;
  transform: translate(-50%, -50%) rotate(var(--angle)) translateX(220px) rotate(calc(-1 * var(--angle)));
  border: 2px solid var(--c-ink);
  background: var(--c-paper);
  box-shadow: 3px 4px 0 rgba(0,0,0,0.4);
  overflow: visible;
  animation: orbit-float 6s ease-in-out infinite;
}
.orbit-portrait:nth-child(2) { animation-delay: 0.4s; }
.orbit-portrait:nth-child(3) { animation-delay: 0.8s; }
.orbit-portrait:nth-child(4) { animation-delay: 1.2s; }
.orbit-portrait:nth-child(5) { animation-delay: 1.6s; }
.orbit-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.orbit-portrait .orbit-tip {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%) translateY(6px);
  white-space: nowrap;
  font-family: var(--font-hand);
  font-size: 11px; color: var(--c-gold);
  letter-spacing: 0.2em;
  padding: 2px 8px;
  background: rgba(20, 10, 5, 0.6);
  border: 1px solid var(--c-gold-dim);
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.3s;
}
.orbit-portrait:hover .orbit-tip { opacity: 1; }
@keyframes orbit-float {
  0%, 100% { transform: translate(-50%, -50%) rotate(var(--angle)) translateX(220px) rotate(calc(-1 * var(--angle))) translateY(0); }
  50% { transform: translate(-50%, -50%) rotate(var(--angle)) translateX(220px) rotate(calc(-1 * var(--angle))) translateY(-6px); }
}

/* Hero text (right) */
.hero-text { position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-sans); font-size: 11px;
  color: var(--c-gold); letter-spacing: 0.4em;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-hand);
  line-height: 1; margin-bottom: 8px;
}
.hero-title .zh {
  display: block;
  font-size: 28px; letter-spacing: 0.4em;
  color: var(--c-gold); margin-bottom: 12px; font-weight: 300;
}
.hero-title .en {
  display: block;
  font-size: 80px; font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  line-height: 0.95;
  background: linear-gradient(180deg, #f0e6d0 0%, #c9a040 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-family: var(--font-serif); font-size: 20px;
  color: var(--c-gold-light); letter-spacing: 0.25em;
  margin: 20px 0 16px; font-weight: 300;
}
.hero-slogan {
  font-family: var(--font-serif); font-size: 15px;
  color: var(--c-paper-warm); opacity: 0.85;
  letter-spacing: 0.1em; line-height: 2;
  max-width: 460px;
  border-left: 2px solid var(--c-gold-dim);
  padding-left: 16px; margin-bottom: 28px;
}
.hero-cta { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.hero-second { margin-top: 4px; }

/* === ENTRANCE CARDS (4 个入口) === */
.entrances {
  width: 100%; max-width: 1280px;
  padding: 60px 40px 40px; position: relative; z-index: 5;
}
.entrances-header { text-align: center; margin-bottom: 48px; }
.entrances-header .section-title {
  font-family: var(--font-hand);
  font-size: 36px; color: var(--c-paper);
  letter-spacing: 0.3em; margin: 8px 0;
}
.card-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.entrance-card {
  display: block;
  position: relative;
  padding: 32px 28px;
  background: linear-gradient(160deg, #f1ebd9 0%, #d4c4a3 100%);
  color: var(--c-ink);
  text-decoration: none;
  border: 2px solid var(--c-ink);
  box-shadow: 5px 7px 0 rgba(20, 10, 5, 0.5);
  transition: transform 0.3s, box-shadow 0.3s;
  min-height: 280px;
  clip-path: polygon(0% 2%, 3% 0%, 6% 2%, 9% 0%, 100% 0%, 100% 100%, 0% 100%);
}
.entrance-card::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.8' numOctaves='2' seed='3'/%3E%3CfeColorMatrix values='0 0 0 0 0.4 0 0 0 0 0.32 0 0 0 0 0.2 0 0 0 0.4 0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply; opacity: 0.32;
}
.entrance-card:hover { transform: translateY(-6px) rotate(-0.4deg); box-shadow: 7px 9px 0 rgba(20, 10, 5, 0.6); }
.entrance-card .card-no {
  font-family: var(--font-hand);
  font-size: 56px; color: var(--c-gold-dim);
  opacity: 0.5; line-height: 1; font-weight: 700;
  margin-bottom: 4px;
}
.entrance-card .card-eyebrow {
  font-family: var(--font-sans);
  font-size: 9px; color: var(--c-ink-faint);
  letter-spacing: 0.4em; margin-bottom: 8px;
  text-transform: uppercase;
}
.entrance-card .card-title {
  font-family: var(--font-hand);
  font-size: 28px; color: var(--c-ink);
  line-height: 1.2; margin-bottom: 14px;
  letter-spacing: 0.12em;
}
.entrance-card .card-divider {
  width: 40px; height: 2px;
  background: var(--c-ink); margin-bottom: 14px;
}
.entrance-card .card-desc {
  font-family: var(--font-serif);
  font-size: 13px; color: var(--c-ink-light);
  line-height: 1.8; letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.entrance-card .card-cta {
  font-family: var(--font-hand);
  font-size: 13px; color: var(--c-ink);
  letter-spacing: 0.2em; padding-top: 12px;
  border-top: 1px dashed rgba(42, 24, 16, 0.4);
}

/* === 5 身份预览 === */
.char-preview {
  width: 100%; max-width: 1280px;
  padding: 60px 40px 40px; position: relative; z-index: 5;
}
.char-preview-header { text-align: center; margin-bottom: 40px; }
.char-preview-header .section-title { font-family: var(--font-hand); font-size: 36px; color: var(--c-paper); letter-spacing: 0.3em; }
.char-strip { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.char-mini {
  position: relative;
  width: 200px;
  background: var(--c-paper);
  padding: 16px 12px 14px;
  text-align: center;
  border: 2px solid var(--c-ink);
  box-shadow: 4px 6px 0 rgba(20, 10, 5, 0.5);
  transition: transform 0.3s;
}
.char-mini::before {
  content: ''; position: absolute; inset: 4px;
  border: 1px solid rgba(42, 24, 16, 0.3); pointer-events: none;
}
.char-mini:hover { transform: translateY(-4px) rotate(-0.8deg); }
.char-mini .char-portrait { height: 160px; margin-bottom: 8px; overflow: hidden; }
.char-mini .char-portrait img { width: 100%; height: 100%; object-fit: cover; display: block; }
.char-mini .char-name-zh { font-family: var(--font-hand); font-size: 22px; color: var(--c-ink); letter-spacing: 0.2em; margin-bottom: 2px; }
.char-mini .char-name-en { font-family: var(--font-sans); font-size: 9px; color: var(--c-ink-faint); letter-spacing: 0.3em; margin-bottom: 8px; }
.char-mini .char-symbol { font-family: var(--font-hand); color: var(--c-ink-light); font-size: 11px; letter-spacing: 0.2em; padding-top: 8px; border-top: 1px dashed rgba(42, 24, 16, 0.3); }

/* === Footer === */
.home-footer {
  width: 100%; max-width: 1280px;
  padding: 48px 40px 32px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-sans); font-size: 11px;
  color: var(--c-paper-warm); opacity: 0.7; letter-spacing: 0.2em;
  border-top: 1px solid rgba(201, 160, 64, 0.2);
  margin-top: 48px;
}
.home-footer .footer-mark { font-family: var(--font-hand); color: var(--c-gold); font-size: 14px; letter-spacing: 0.3em; }