/* ============================================================
   maCher Chan — Home Page Styles
   依赖 global.css 提供的 @font-face、:root 变量、Reset
   ============================================================ */

/* ---------- Base ---------- */
html {
  height: 100%;
  font-size: 16px;
}

body {
  min-height: 100%;
  color: var(--text-primary);
  font-family: var(--font-cn);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
  padding: 0;
}

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}


/* ============================================================
   PAGE 1: HOME
   ============================================================ */

.page-home {
  overflow: hidden;
}

.home-layout {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
}

/* --- Brand Name (top-left, visual anchor) --- */
/* 首页唯一例外：大标题允许全大写 MACHER CHAN */
.home-brand {
  position: absolute;
  top: 55px;
  left: 60px;

  font-family: var(--font-brand);
  font-size: clamp(80px, 12vw, 180px);
  letter-spacing: var(--tracking-brand);
  line-height: 0.9;
  color: var(--brand-blue);

  user-select: none;
  animation: fadeIn 0.8s ease-out both;
}

.home-brand__line {
  display: block;
}

/* --- Vertical Navigation (top-right) --- */
.home-nav {
  position: absolute;
  top: 60px;
  right: 60px;

  display: flex;
  flex-direction: column;
  align-items: flex-end;

  animation: fadeIn 0.8s ease-out 0.15s both;
}

.home-nav a {
  font-family: var(--font-brand);
  font-size: 16px;
  letter-spacing: var(--tracking-nav);
  color: var(--text-nav);
  line-height: 2.0;
  position: relative;
}

.home-nav a::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--text-nav);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.home-nav a:hover::after {
  transform: scaleX(1);
}

/* --- Tagline (bottom-left) --- */
.home-tagline {
  position: absolute;
  left: 60px;
  bottom: 120px;

  font-family: var(--font-cn);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  max-width: 280px;
  line-height: 1.6;

  animation: fadeIn 0.8s ease-out 0.35s both;
}

/* --- Subtitle (bottom-right) --- */
.home-subtitle {
  position: absolute;
  right: 60px;
  bottom: 48px;

  font-family: var(--font-brand);
  font-size: clamp(48px, 8vw, 120px);
  letter-spacing: var(--tracking-brand);
  line-height: 0.9;
  color: var(--brand-blue);
  text-align: right;

  user-select: none;
  animation: fadeIn 0.8s ease-out 0.25s both;
}

/* ─── Mobile (≤ 768px) ──────────────────────────────────── */
@media (max-width: 768px) {
  .home-brand {
    top: 70px;
    left: 20px;
    font-size: clamp(42px, 14vw, 80px);
  }

  .home-nav {
    top: 14px;
    right: 20px;
    left: 20px;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    gap: 14px;
  }

  .home-nav a {
    font-size: 12px;
    line-height: 1;
  }

  .home-subtitle {
    right: 20px;
    bottom: 32px;
    font-size: clamp(28px, 8vw, 48px);
  }

  .home-tagline {
    left: 20px;
    bottom: 110px;
    max-width: calc(100vw - 40px);
    font-size: 11px;
  }
}