/* ═══════════════════════════════════════════
   SEO LANDING PAGES — shared styles
   ═══════════════════════════════════════════ */

/* ── PAGE HERO ─────────────────────────────── */
.seo-hero {
  background: var(--color-darker);
  padding: 72px 0 60px;
  position: relative;
  overflow: hidden;
}
.seo-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 10% 60%, rgba(255,178,0,.07) 0%, transparent 50%),
              radial-gradient(ellipse at 90% 40%, rgba(0,157,168,.08) 0%, transparent 50%);
  pointer-events: none;
}
.seo-hero .container { position: relative; z-index: 1; }
.seo-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: rgba(255,255,255,.45);
  margin-bottom: 20px;
}
.seo-breadcrumb a { color: rgba(255,255,255,.45); text-decoration: none; }
.seo-breadcrumb a:hover { color: rgba(255,255,255,.75); }
.seo-breadcrumb .sep { margin: 0 2px; }

.seo-hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.18;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.seo-hero h1 .brand-accent { color: var(--color-shantui); }
.seo-hero h1 .brand-accent-sw { color: var(--color-sunward); }
.seo-hero .seo-subtitle {
  font-size: clamp(0.98rem, 1.8vw, 1.12rem);
  color: rgba(255,255,255,.65);
  max-width: 600px;
  line-height: 1.65;
  margin-bottom: 32px;
}

.seo-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 36px;
}
.seo-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.72);
  font-size: 0.88rem;
  font-weight: 600;
}
.seo-trust-item .ti-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-shantui);
  flex-shrink: 0;
}
.seo-trust-item.sw .ti-dot { background: var(--color-sunward); }

.seo-hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.seo-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  background: var(--color-shantui);
  color: rgba(0,0,0,.8);
  transition: transform .2s, box-shadow .2s;
}
.seo-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(255,178,0,.4); }
.seo-btn-primary.sw { background: var(--color-sunward); color: #fff; }
.seo-btn-primary.sw:hover { box-shadow: 0 8px 28px rgba(0,157,168,.4); }
.seo-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.15);
  transition: background .2s;
}
.seo-btn-secondary:hover { background: rgba(255,255,255,.13); }

/* ── STATS STRIP ───────────────────────────── */
.seo-stats {
  background: var(--color-shantui);
  padding: 28px 0;
}
.seo-stats.sw { background: var(--color-sunward); }
.seo-stats-inner {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}
.seo-stat-item {
  text-align: center;
  padding: 0 40px;
  border-right: 1px solid rgba(0,0,0,.12);
}
.seo-stat-item:last-child { border-right: none; }
.seo-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(0,0,0,.8);
  line-height: 1;
  margin-bottom: 4px;
}
.seo-stats.sw .seo-stat-num { color: #fff; }
.seo-stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(0,0,0,.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.seo-stats.sw .seo-stat-label { color: rgba(255,255,255,.75); }

/* ── MODELS SECTION ────────────────────────── */
.seo-models {
  background: #fff;
  padding: 80px 0 60px;
}
.seo-models .section-intro {
  margin-bottom: 48px;
}
.seo-section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-shantui);
  margin-bottom: 10px;
}
.seo-section-eyebrow.sw { color: var(--color-sunward); }
.seo-section-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.seo-section-sub {
  color: var(--color-text-light);
  font-size: 1rem;
  max-width: 560px;
}

/* ── WHY STI STRIP ─────────────────────────── */
.seo-why {
  background: var(--color-light-gray);
  padding: 64px 0;
}
.seo-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.seo-why-card {
  background: #fff;
  border-radius: 12px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.seo-why-icon { font-size: 2rem; }
.seo-why-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}
.seo-why-desc {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

/* ── FAQ ───────────────────────────────────── */
.seo-faq {
  background: #fff;
  padding: 80px 0;
}
.faq-list { max-width: 760px; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
}
.faq-item:first-child { padding-top: 0; }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.faq-q::before {
  content: 'Q';
  background: var(--color-shantui);
  color: rgba(0,0,0,.75);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: 5px;
  flex-shrink: 0;
  margin-top: 2px;
}
.faq-q.sw::before { background: var(--color-sunward); color: #fff; }
.faq-a {
  font-size: 0.93rem;
  color: var(--color-text-light);
  line-height: 1.75;
  padding-left: 30px;
}

/* ── CTA BANNER ────────────────────────────── */
.seo-cta {
  background: var(--color-darker);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.seo-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(255,178,0,.08) 0%, transparent 60%);
}
.seo-cta .container { position: relative; z-index: 1; }
.seo-cta-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.seo-cta-sub {
  color: rgba(255,255,255,.6);
  font-size: 1rem;
  margin-bottom: 36px;
}
.seo-cta-btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ── RESPONSIVE ────────────────────────────── */
@media (max-width: 900px) {
  .seo-why-grid { grid-template-columns: 1fr 1fr; }
  .seo-stat-item { padding: 0 24px; }
}
@media (max-width: 600px) {
  .seo-why-grid { grid-template-columns: 1fr; }
  .seo-stats-inner { gap: 16px; flex-direction: column; align-items: center; }
  .seo-stat-item { border-right: none; border-bottom: 1px solid rgba(0,0,0,.1); padding-bottom: 16px; width: 100%; }
  .seo-stat-item:last-child { border-bottom: none; }
}