/* ============================================================
   home.css — Index page specific styles
   Shared by: zh_hk/index.php, en/index.php
   ============================================================ */

/* ── HERO ─────────────────────────────────────────────── */
.hero {
  background-color: var(--hero-bg);
  background-image:
    radial-gradient(ellipse 70% 55% at 50% -5%, rgba(255,204,0,.18) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 85% 85%, rgba(255,204,0,.07) 0%, transparent 55%);
  color: var(--hero-color);
  padding: 110px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hero-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--hero-grid-line) 1px, transparent 1px);
  background-size: 40px 40px; pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--hero-eyebrow-bg);
  border: 1px solid var(--hero-eyebrow-border);
  color: var(--hero-eyebrow-color);
  font-size: .76rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 16px; border-radius: 50px; margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800; line-height: 1.08;
  letter-spacing: -.04em; margin-bottom: 18px;
  color: var(--hero-color);
}
.hero h1 em { font-style: normal; color: var(--brand); }
.hero-mark { color: var(--brand); font-weight: 800; font-style: normal; }
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--hero-sub-color);
  margin-bottom: 36px;
  font-weight: 400; line-height: 1.8;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-badges {
  display: flex; justify-content: center;
  gap: 28px; margin-top: 52px; flex-wrap: wrap;
  padding-top: 24px; border-top: 1px solid var(--hero-divider);
}
.hero-badge {
  font-size: .82rem;
  color: var(--hero-badge-color);
  font-weight: 500; letter-spacing: .03em;
}

/* btn-ghost: light mode override so it’s visible on light bg */
[data-theme="light"] .hero .btn-ghost,
[data-theme="light"] .page-hero .btn-ghost {
  background: rgba(9,9,15,.08);
  color: var(--text-primary);
  border-color: rgba(9,9,15,.25);
}
[data-theme="light"] .hero .btn-ghost:hover,
[data-theme="light"] .page-hero .btn-ghost:hover {
  background: rgba(9,9,15,.14);
  border-color: rgba(9,9,15,.4);
}

/* ── TRUST BAR ─────────────────────────────────────────────── */
.trust-bar { background: var(--trust-bg); border-bottom: none; padding: 0; }
.trust-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item {
  display: flex; align-items: center; gap: 14px;
  padding: 26px 20px;
  transition: background var(--transition);
}
.trust-item:hover { background: var(--bg-elevated); }
.trust-icon {
  width: 44px; height: 44px; background: var(--trust-icon-bg);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; flex-shrink: 0; border: 1px solid rgba(255,204,0,.15);
}
.trust-text { display: flex; flex-direction: column; gap: 3px; }
.trust-text strong { font-size: .95rem; font-weight: 700; color: var(--text-primary); line-height: 1.25; }
.trust-text span { font-size: .82rem; color: var(--text-secondary); line-height: 1.4; }

/* ── SERVICES GRID (homepage) ────────────────────────────────── */
.services { background: var(--bg-secondary); }
.services-header { text-align: center; margin-bottom: 48px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ── HOW IT WORKS ──────────────────────────────────────────── */
.how-it-works { background: var(--bg-primary); }
.how-it-works .section-sub { margin: 0 auto 60px; }
.steps { display: flex; align-items: flex-start; justify-content: center; position: relative; gap: 0; }
.steps::before {
  content: ''; position: absolute; top: 27px; left: 18%; right: 18%; height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--border-light) 20%, var(--brand) 50%, var(--border-light) 80%, transparent 100%);
  z-index: 0;
}
.step { flex: 1; text-align: center; position: relative; z-index: 1; padding: 0 20px; }
.step-num {
  width: 56px; height: 56px; background: var(--brand); color: var(--brand-text);
  border-radius: 50%; font-size: 1.3rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; box-shadow: 0 4px 20px var(--brand-glow);
  border: 3px solid var(--bg-primary); outline: 2px solid rgba(255,204,0,.2);
}
.step h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.step p { font-size: .88rem; color: var(--text-secondary); line-height: 1.65; }

/* ── MEMBERSHIP (homepage section) ───────────────────────────── */
.membership { background: var(--bg-primary); }
.membership-inner {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 56px;
  align-items: center;
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .steps { flex-direction: column; align-items: center; gap: 36px; }
  .step { max-width: 300px; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); }
  .membership-inner { grid-template-columns: 1fr; gap: 40px; }
  .membership-card { max-width: 400px; margin: 0 auto; }
}
@media (max-width: 640px) {
  .hero { padding: 72px 0 64px; }
  .hero h1 { letter-spacing: -.02em; line-height: 1.12; }
  .hero-sub { font-size: 1.05rem; line-height: 1.85; margin-bottom: 32px; }
  .hero-eyebrow { font-size: .72rem; }
  .hero-cta { flex-direction: column; align-items: center; gap: 10px; }
  .hero-badges { gap: 14px; padding-top: 20px; flex-direction: column; align-items: center; }
  .trust-inner { grid-template-columns: 1fr; }
  .trust-item { padding: 18px 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .membership-inner { gap: 32px; }
  .membership-card { padding: 32px 24px; }
  .price-amount { font-size: 3rem; }
}