/* ============================================================
   maCher Chan® — Studio Page
   ============================================================ */

body {
  color: var(--text-primary);
  background: var(--bg-primary);
}

/* ─── Screen 1: Hero ──────────────────────────────────────── */

.studio-hero {
  min-height: 100vh;
  padding: 110px 60px 80px;
  display: flex;
  flex-direction: column;
}

.lang-toggle {
  position: fixed;
  top: 70px;
  right: 60px;
  z-index: 90;
  font-family: var(--font-brand);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
  transition: color 0.2s ease;
}

.lang-toggle:hover {
  color: var(--text-primary);
}

.hero-text-wrap {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 60px 0;
}

.hero-text {
  grid-column: 1;
  grid-row: 1;
  max-width: 880px;
  font-family: var(--font-cn);
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.6;
  color: var(--text-primary);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.hero-text.active {
  opacity: 1;
  pointer-events: auto;
}

/* ─── Screen 2: Information ───────────────────────────────── */

.studio-info {
  padding: 80px 60px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  gap: 80px;
  align-items: flex-start;
}

.info-left {
  flex: 0 0 auto;
}

.info-title {
  font-family: var(--font-brand);
  font-size: clamp(48px, 6vw, 88px);
  letter-spacing: var(--tracking-brand);
  color: var(--text-primary);
  line-height: 1;
  writing-mode: horizontal-tb;
}

.info-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.info-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.info-col-label {
  font-family: var(--font-brand);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.info-col-list {
  list-style: none;
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--text-primary);
  line-height: 2.2;
}

/* ─── Screen 3: Methodology ───────────────────────────────── */

.studio-method {
  padding: 0 60px 120px;
}

.method-divider {
  height: 1px;
  background: rgba(0, 0, 0, 0.1);
  margin-bottom: 80px;
}

.method-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.method-title {
  font-family: var(--font-brand);
  font-size: clamp(48px, 6vw, 88px);
  letter-spacing: var(--tracking-brand);
  color: var(--text-primary);
  line-height: 1;
}

.method-tagline {
  font-family: var(--font-cn);
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 60px;
}

/* ─── Comparison table ─────────────────────────────────────── */

.method-compare {
  max-width: 860px;
}

.compare-labels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  margin-bottom: 0;
}

.compare-label {
  font-family: var(--font-cn);
  font-size: 12px;
  color: var(--text-primary);
}

.compare-label-trad {
  color: var(--text-primary);
}

.compare-label-ours {
  color: var(--text-primary);
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.step-trad {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.6;
}

.step-ours {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.6;
}

/* ─── Bonus service ────────────────────────────────────────── */

.method-addon {
  margin-top: 48px;
  max-width: 860px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.addon-label {
  font-family: var(--font-cn);
  font-size: 12px;
  color: var(--text-primary);
  white-space: nowrap;
}

.addon-text {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--text-primary);
}

/* ─── Mobile (≤ 768px) ──────────────────────────────────── */
@media (max-width: 768px) {
  /* Hero */
  .studio-hero {
    padding: 90px 20px 60px;
  }

  .hero-text {
    font-size: clamp(18px, 5vw, 28px);
  }

  .lang-toggle {
    top: 56px;
    right: 20px;
  }

  /* Information */
  .studio-info {
    padding: 60px 20px;
    flex-direction: column;
    gap: 40px;
  }

  .info-title {
    font-size: clamp(40px, 12vw, 72px);
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Methodology */
  .studio-method {
    padding: 0 20px 80px;
  }

  .method-title {
    font-size: clamp(40px, 12vw, 72px);
  }

  .method-compare {
    max-width: 100%;
  }

  .compare-labels,
  .compare-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .step-ours {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
  }

  .method-addon {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}