/**
 * SIDE STREET 路地裏 — TOP Page Styles
 * /assets/css/top.css
 */

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: calc(100vh - 60px);
  background: var(--deep);
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    repeating-linear-gradient(0deg, #fff 0, #fff 1px, transparent 1px, transparent 48px),
    repeating-linear-gradient(90deg, #fff 0, #fff 1px, transparent 1px, transparent 48px);
}
.hero-kanji {
  position: absolute;
  right: -0.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(140px, 18vw, 240px);
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.06);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  writing-mode: vertical-rl;
  letter-spacing: 0.1em;
}
.hero-content {
  padding: 5rem 3rem 5rem 5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
  animation: fadeUp 0.7s both;
}
.hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--red);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px; height: 2px;
  background: var(--red);
}
.hero-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.hero-title em { font-style: italic; color: var(--gold); }
.hero-desc {
  font-size: 1.05rem;
  color: #aaa;
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-primary {
  background: var(--red);
  color: var(--white);
  text-decoration: none;
  padding: 14px 28px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); }

.btn-outline {
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  text-decoration: none;
  padding: 14px 28px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }

.hero-feature {
  display: flex;
  align-items: flex-end;
  padding: 3rem;
  position: relative;
  z-index: 2;
  animation: fadeUp 0.7s 0.2s both;
}
.feature-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-left: 3px solid var(--red);
  padding: 2rem;
  border-radius: 4px;
  width: 100%;
  backdrop-filter: blur(4px);
}
.feature-card .tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--gold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.feature-card h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}
.feature-card p {
  color: #999;
  font-size: 0.88rem;
  line-height: 1.65;
  font-weight: 300;
}
.feature-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 1rem;
  color: var(--red);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: gap 0.2s;
}
.feature-card .read-more:hover { gap: 10px; }

/* ============================================================
   DIVIDER BAND
   ============================================================ */
.divider-band {
  background: var(--red);
  padding: 1rem 5rem;
  display: flex;
  gap: 4rem;
  overflow: hidden;
}
.divider-band span {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  white-space: nowrap;
}
.divider-band span::before { content: '✦ '; }

/* ============================================================
   THE CLASSICS
   ============================================================ */
.classics {
  background: var(--white);
  padding: 6rem 5rem;
}
.classics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.classic-card {
  background: var(--cream);
  padding: 2.5rem 2rem;
  text-decoration: none;
  color: var(--ink);
  position: relative;
  overflow: hidden;
  transition: background 0.25s;
  display: block;
}
.classic-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 3px;
  background: var(--red);
  transition: width 0.3s ease;
}
.classic-card:hover { background: #e6e0d2; }
.classic-card:hover::after { width: 100%; }
.classic-card .icon { font-size: 2.2rem; display: block; margin-bottom: 1.25rem; }
.classic-card h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}
.classic-card .sub {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.classic-card p { font-size: 0.88rem; color: #555; line-height: 1.65; font-weight: 300; }
.classic-card .article-count {
  margin-top: 1.5rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--gold);
  letter-spacing: 0.15em;
}

/* ============================================================
   SLANG OF THE DAY
   ============================================================ */
.slang-section {
  background: var(--ink);
  padding: 5rem;
  position: relative;
  overflow: hidden;
}
.slang-section::before {
  content: '路地裏';
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Shippori Mincho', serif;
  font-size: 18rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.04);
  pointer-events: none;
  line-height: 1;
}
.slang-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem;
  align-items: start;
  position: relative;
  z-index: 2;
}
.slang-left { text-align: center; padding-top: 0.5rem; }
.slang-badge {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 2px;
  margin-bottom: 1.5rem;
}
.slang-word {
  font-family: 'Shippori Mincho', serif;
  font-size: 4rem;
  font-weight: 800;
  color: var(--white);
  display: block;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.slang-romaji {
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.25em;
  display: block;
}
.slang-content h2 {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.slang-content > p {
  color: #aaa;
  line-height: 1.75;
  font-size: 0.95rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
}
.slang-examples {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.slang-examples li {
  border-left: 2px solid var(--red);
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
  font-size: 0.9rem;
  color: #ccc;
  font-weight: 300;
  line-height: 1.5;
  border-radius: 0 2px 2px 0;
}
.slang-examples li strong { color: var(--gold); font-weight: 500; }
.slang-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 1.5rem;
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding-bottom: 3px;
  transition: border-color 0.2s, color 0.2s;
}
.slang-more:hover { color: var(--gold); border-color: var(--gold); }

/* ============================================================
   DEEP JAPAN
   ============================================================ */
.deep-japan {
  background: var(--deep);
  padding: 6rem 5rem 7rem;
}
.deep-intro {
  font-size: 1rem;
  color: #777;
  font-weight: 300;
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 3.5rem;
}
.deep-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.deep-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 2.5rem;
  text-decoration: none;
  color: var(--white);
  display: block;
  position: relative;
  overflow: hidden;
  transition: background 0.25s, border-color 0.25s;
  border-radius: 2px;
}
.deep-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.12);
}
.deep-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  border-color: rgba(192,57,43,0.3);
  background: rgba(192,57,43,0.05);
}
.deep-card.featured:hover {
  background: rgba(192,57,43,0.09);
  border-color: rgba(192,57,43,0.5);
}
.deep-card .card-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  color: #444;
  letter-spacing: 0.2em;
  margin-bottom: 2rem;
}
.deep-card .card-icon { font-size: 2rem; display: block; margin-bottom: 1rem; }
.deep-card h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}
.deep-card .card-sub {
  font-size: 0.7rem;
  color: var(--red);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: 'DM Mono', monospace;
  margin-bottom: 0.75rem;
}
.deep-card p { font-size: 0.88rem; color: #888; line-height: 1.65; font-weight: 300; }
.deep-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 1.25rem;
}
.deep-card .card-tags span {
  background: rgba(255,255,255,0.06);
  color: #777;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: 2px;
  text-transform: uppercase;
}
.deep-card.featured .featured-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid rgba(255,255,255,0.08);
  padding-left: 2rem;
}
.deep-card.featured .sample-excerpt {
  font-size: 0.9rem;
  color: #aaa;
  line-height: 1.8;
  font-style: italic;
  font-weight: 300;
  border-left: 2px solid var(--red);
  padding-left: 1rem;
  margin-bottom: 1.25rem;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--red);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: gap 0.2s;
}
.read-more:hover { gap: 10px; }

/* DEEP EXPLORE CATEGORIES */
.deep-explore {
  margin-bottom: 4rem;
}
.explore-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: #444;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  text-align: center;
}
.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.explore-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  text-decoration: none;
  background: rgba(255,255,255,0.02);
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 4px;
  transition: all 0.25s ease;
}
.explore-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}
.explore-card .icon { font-size: 1.5rem; filter: grayscale(0.5); }
.explore-card:hover .icon { filter: grayscale(0); }
.explore-card h4 {
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--white);
  margin: 0 0 4px;
}
.explore-card .count {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  color: #555;
  letter-spacing: 0.1em;
}

@media (max-width: 1200px) {
  .explore-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 800px) {
  .explore-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .explore-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   TOP RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .hero-content { padding: 4rem 2rem; }
  .hero-feature { padding: 2rem; }
  .classics { padding: 4rem 2rem; }
  .classics-grid { grid-template-columns: 1fr 1fr; gap: 2px; }
  .slang-section { padding: 4rem 2rem; }
  .slang-inner { grid-template-columns: 1fr; gap: 2rem; }
  .deep-japan { padding: 4rem 2rem 5rem; }
  .deep-grid { grid-template-columns: 1fr; }
  .deep-card.featured { grid-template-columns: 1fr; }
  .deep-card.featured .featured-right {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 1.5rem;
  }
  .divider-band { padding: 1rem 2rem; gap: 2rem; }
}
@media (max-width: 600px) {
  .classics-grid { grid-template-columns: 1fr; }
}