:root {
  --bg: #F7F5F0;
  --bg-dark: #0B1628;
  --fg: #0B1628;
  --fg-muted: #4A5568;
  --accent: #00E5C3;
  --accent-dark: #00C4AA;
  --card-bg: #FFFFFF;
  --border: #E2E0DB;
  --code-bg: #0B1628;
  --code-fg: #A8F0DC;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Syne', system-ui, sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-brand { display: flex; align-items: center; gap: 10px; }
.brand-name { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 18px; color: var(--fg); }
.nav-tagline { font-size: 13px; color: var(--fg-muted); font-weight: 400; }
.nav-links { display: flex; align-items: center; gap: 12px; }
.nav-link { font-size: 13px; font-weight: 500; color: var(--fg-muted); text-decoration: none; transition: color 0.15s; }
.nav-link:hover { color: var(--fg); }
.nav-cta { background: var(--accent-dark, #0B1628); color: #fff; padding: 8px 18px; border-radius: 8px; font-size: 13px; font-weight: 600; text-decoration: none; transition: opacity 0.15s; }
.nav-cta:hover { opacity: 0.85; }

/* Section shared */
.section-inner { max-width: 1080px; margin: 0 auto; padding: 0 48px; }
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: var(--fg); }
.section-title.centered { text-align: center; margin-bottom: 56px; }
.section-desc { color: var(--fg-muted); font-size: 17px; margin-top: 12px; }

/* Hero */
.hero { padding: 80px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; max-width: 1080px; margin: 0 auto; padding: 0 48px; }

.hero-eyebrow { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: var(--accent-dark); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 20px; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; }

.hero-headline { font-size: clamp(36px, 5vw, 56px); font-weight: 800; color: var(--fg); margin-bottom: 20px; }
.hero-sub { color: var(--fg-muted); font-size: 17px; line-height: 1.65; margin-bottom: 36px; max-width: 480px; }

.hero-code-block { background: var(--code-bg); border-radius: 12px; padding: 20px; overflow: hidden; }
.code-label { font-size: 11px; color: #4A7A6A; font-family: 'DM Sans', monospace; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.05em; }
.hero-code-block pre { margin: 0; overflow-x: auto; }
.hero-code-block code { font-family: 'DM Mono', 'Fira Code', monospace; font-size: 12.5px; color: var(--code-fg); line-height: 1.65; white-space: pre; display: block; }

/* Price comparison */
.price-comparison { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 28px; box-shadow: 0 2px 16px rgba(0,0,0,0.06); }
.comparison-header { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-muted); margin-bottom: 16px; font-weight: 500; }
.comparison-row { display: grid; grid-template-columns: 1fr 60px 60px; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--border); align-items: center; }
.comparison-row:last-child { border-bottom: none; }
.provider-row { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--fg-muted); }
.provider-name { font-size: 14px; font-weight: 500; color: var(--fg); }
.via-tag { background: var(--accent); color: var(--bg-dark); font-size: 10px; padding: 2px 6px; border-radius: 4px; font-weight: 600; margin-left: 6px; text-transform: uppercase; letter-spacing: 0.04em; }
.price-expensive { color: #C53030; font-weight: 600; font-size: 13px; }
.price-cheap { color: #276749; font-weight: 700; font-size: 13px; }

/* Pricing section */
.pricing-section { padding: 80px 0; background: #FFFFFF; }
.pricing-header { margin-bottom: 48px; }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pricing-card { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.card-icon { margin-bottom: 16px; }
.card-title { font-size: 17px; font-weight: 700; margin-bottom: 10px; font-family: 'Syne', sans-serif; }
.card-body { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* How it works */
.howitworks { padding: 80px 0; background: var(--bg); }
.steps-row { display: flex; align-items: center; justify-content: center; gap: 24px; }
.step { max-width: 260px; text-align: center; }
.step-number { font-family: 'Syne', sans-serif; font-size: 48px; font-weight: 800; color: var(--accent); margin-bottom: 12px; }
.step-title { font-size: 17px; font-weight: 700; margin-bottom: 8px; font-family: 'Syne', sans-serif; }
.step-body { font-size: 14px; color: var(--fg-muted); }
.step-arrow { flex-shrink: 0; }

/* Providers */
.providers-section { padding: 80px 0; background: #FFFFFF; }
.providers-header { margin-bottom: 40px; }
.providers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.provider-card { background: var(--bg); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }
.provider-logo { margin-bottom: 16px; }
.provider-bold { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 20px; color: var(--fg); }
.provider-sub { display: block; font-size: 12px; color: var(--fg-muted); margin-top: 2px; }
.provider-models { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.model-tag { background: var(--bg-dark); color: var(--accent); font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 6px; font-family: 'DM Sans', monospace; }
.provider-pricing { display: flex; gap: 24px; border-top: 1px solid var(--border); padding-top: 16px; }
.mini-stat { display: flex; flex-direction: column; }
.mini-label { font-size: 11px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.mini-val { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 16px; color: var(--fg); margin-top: 2px; }

/* Closing */
.closing-section { padding: 80px 0; background: var(--bg-dark); }
.closing-box { max-width: 720px; margin: 0 auto; text-align: center; }
.closing-eyebrow { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; font-weight: 500; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 24px; }
.closing-headline { font-size: clamp(28px, 4vw, 44px); font-weight: 800; color: #FFFFFF; margin-bottom: 20px; line-height: 1.2; }
.closing-sub { font-size: 17px; color: rgba(255,255,255,0.65); line-height: 1.65; }

/* Footer */
.site-footer { padding: 32px 0; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 0 48px; display: flex; justify-content: space-between; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 8px; font-family: 'Syne', sans-serif; font-weight: 700; font-size: 16px; color: var(--fg); }
.footer-copy { font-size: 14px; color: var(--fg-muted); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 13px; color: var(--fg-muted); text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: var(--fg); }

/* Mobile responsive */
@media (max-width: 768px) {
  .navbar { padding: 16px 24px; }
  .section-inner { padding: 0 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; padding: 0 24px; }
  .hero { padding: 48px 0 40px; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .providers-grid { grid-template-columns: 1fr; }
  .steps-row { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .nav-links { gap: 8px; }
  .price-comparison { margin-top: 0; }
}
@media (max-width: 480px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

/* /models page */
.models-page {
  min-height: calc(100vh - 80px);
  padding: 64px 0 80px;
  background: var(--bg);
}
.models-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
}
.models-header { margin-bottom: 40px; }
.eyebrow-row { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: var(--accent-dark); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 20px; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; }
.eyebrow-label { color: var(--accent-dark); }
.models-title { font-size: clamp(32px, 5vw, 52px); font-weight: 800; color: var(--fg); line-height: 1.1; margin-bottom: 16px; }
.models-sub { font-size: 17px; color: var(--fg-muted); max-width: 560px; }

.callout-box { display: flex; align-items: flex-start; gap: 14px; background: #EFF6FF; border: 1px solid #BFDBFE; border-radius: 12px; padding: 18px 22px; margin-bottom: 36px; max-width: 700px; }
.callout-icon { font-size: 1.4rem; flex-shrink: 0; line-height: 1.5; }
.callout-box strong { color: var(--fg); font-size: 15px; }
.callout-box div { font-size: 14px; color: #1E40AF; line-height: 1.55; }

.table-wrapper { overflow-x: auto; margin-bottom: 28px; border-radius: 14px; border: 1px solid var(--border); box-shadow: 0 2px 12px rgba(0,0,0,0.05); }
.models-table { width: 100%; border-collapse: collapse; background: var(--card-bg); }
.models-table thead tr { background: var(--bg-dark); }
.models-table th {
  padding: 14px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  white-space: nowrap;
}
.models-table th.price-col, .models-table th.vs-col { text-align: right; }
.models-table tbody tr { border-bottom: 1px solid var(--border); transition: background 0.1s; }
.models-table tbody tr:last-child { border-bottom: none; }
.models-table tbody tr:hover { background: #FAFAF8; }
.models-table td { padding: 16px 20px; font-size: 14px; color: var(--fg); }
.models-table td.model-name { font-family: 'DM Mono', monospace; font-size: 13px; font-weight: 500; color: var(--fg); }
.models-table td.price { text-align: right; font-weight: 600; font-family: 'Syne', sans-serif; }
.vs-tag { text-align: right; color: #276749; font-weight: 600; font-size: 13px; }

.provider-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.provider-badge.deepseek { background: #DBEAFE; color: #1D4ED8; }
.provider-badge.bytedance { background: #FEE2E2; color: #991B1B; }
.provider-badge.alibaba { background: #FEF3C7; color: #92400E; }

.table-note { font-size: 13px; color: var(--fg-muted); margin-bottom: 32px; }

.models-cta-row { display: flex; gap: 16px; align-items: center; margin-bottom: 56px; flex-wrap: wrap; }
.btn-primary { background: var(--fg-dark); color: #fff; padding: 14px 28px; border-radius: 10px; font-size: 15px; font-weight: 700; text-decoration: none; transition: opacity 0.15s; white-space: nowrap; }
.btn-primary:hover { opacity: 0.85; }
.btn-secondary { color: var(--fg-muted); font-size: 14px; font-weight: 500; text-decoration: none; padding: 14px 0; border-bottom: 1px solid var(--border); }
.btn-secondary:hover { color: var(--fg); }

.ref-title { font-size: 22px; font-weight: 700; margin-bottom: 20px; color: var(--fg); font-family: 'Syne', sans-serif; }
.ref-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 56px; }
.ref-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; }
.ref-task { font-size: 13px; color: var(--fg-muted); margin-bottom: 8px; }
.ref-cost { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 800; color: var(--fg); margin-bottom: 4px; }
.ref-model { font-size: 11px; font-family: 'DM Mono', monospace; color: var(--fg-muted); }

.compliance-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 32px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; }
.comp-badge { display: flex; align-items: flex-start; gap: 12px; }
.comp-icon { font-size: 1.4rem; flex-shrink: 0; }
.comp-badge strong { display: block; font-size: 14px; font-weight: 600; color: var(--fg); margin-bottom: 3px; }
.comp-badge span { font-size: 13px; color: var(--fg-muted); }

@media (max-width: 900px) {
  .ref-grid { grid-template-columns: repeat(2, 1fr); }
  .compliance-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .models-inner { padding: 0 24px; }
  .models-page { padding: 40px 0 60px; }
  .table-wrapper { border-radius: 10px; }
}

/* ===== HOMEPAGE OVERHAUL ===== */

/* Hero layout */
.hero { padding: 72px 0 64px; }
.hero-inner { max-width: 1080px; margin: 0 auto; padding: 0 48px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.hero-left { display: flex; flex-direction: column; }
.hero-actions { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.btn-hero-primary { background: var(--fg-dark); color: #fff; padding: 13px 26px; border-radius: 10px; font-size: 15px; font-weight: 700; font-family: 'Syne', sans-serif; text-decoration: none; transition: opacity 0.15s; white-space: nowrap; }
.btn-hero-primary:hover { opacity: 0.82; }
.btn-hero-secondary { color: var(--fg-muted); font-size: 14px; font-weight: 500; text-decoration: none; padding: 13px 0; border-bottom: 1px solid var(--border); transition: color 0.15s; }
.btn-hero-secondary:hover { color: var(--fg); }
.hero-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-pill { font-size: 12px; font-weight: 500; color: var(--fg-muted); background: var(--card-bg); border: 1px solid var(--border); padding: 5px 12px; border-radius: 99px; }

/* Hero right — comparison table */
.hero-right {}
.price-comparison { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 24px 28px; box-shadow: 0 2px 16px rgba(0,0,0,0.06); }
.price-comparison .comparison-header { font-size: 11px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--fg-muted); margin-bottom: 14px; font-weight: 500; }
.comparison-row { display: grid; grid-template-columns: 1fr 64px 64px; gap: 6px; padding: 9px 0; border-bottom: 1px solid var(--border); align-items: center; }
.comparison-row:last-of-type { border-bottom: none; }
.comparison-row.comparison-header-row { font-size: 10px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--fg-muted); font-weight: 600; padding-bottom: 8px; }
.price-col-right { text-align: right; }
.provider-name { font-size: 13px; font-weight: 500; color: var(--fg); display: flex; align-items: center; }
.via-tag { background: var(--accent); color: var(--bg-dark); font-size: 9px; padding: 2px 5px; border-radius: 4px; font-weight: 700; margin-left: 6px; text-transform: uppercase; letter-spacing: 0.04em; vertical-align: middle; }
.price-val { font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 700; text-align: right; }
.price-expensive { color: #C53030; }
.price-cheap { color: #276749; }
.comparison-highlight { background: #F0FFF8; border-radius: 8px; padding: 9px 10px; margin: -4px -10px; border-bottom: none; }
.comparison-footer { font-size: 12px; color: var(--fg-muted); margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); line-height: 1.5; }
.comparison-footer strong { color: var(--fg); }

/* Value props (pricing section) */
.value-props-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-prop-card { display: flex; flex-direction: column; }
.value-icon { margin-bottom: 20px; }
.value-title { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 700; color: var(--fg); margin-bottom: 10px; }
.value-body { font-size: 14px; color: var(--fg-muted); line-height: 1.65; flex: 1; margin-bottom: 16px; }
.value-link { font-size: 13px; font-weight: 600; color: var(--accent-dark); text-decoration: none; transition: color 0.15s; }
.value-link:hover { color: var(--accent); }

/* How it works — curl snippet */
.inline-code { font-family: 'Fira Code', monospace; font-size: 12px; background: #EFF6FF; border: 1px solid #BFDBFE; border-radius: 5px; padding: 1px 5px; color: var(--fg); }
.curl-snippet-wrap { max-width: 680px; margin: 40px auto 0; }
.curl-label { font-size: 12px; color: var(--fg-muted); font-family: 'Fira Code', monospace; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em; }
.curl-box { background: var(--code-bg); border-radius: 12px; padding: 18px 20px; display: flex; align-items: flex-start; gap: 16px; position: relative; }
.curl-box pre { margin: 0; flex: 1; overflow-x: auto; }
.curl-box code { font-family: 'Fira Code', monospace; font-size: 12.5px; color: var(--code-fg); line-height: 1.7; white-space: pre; display: block; }
.curl-copy-btn { background: #1E3347; border: none; color: #8BA5B5; padding: 6px 14px; border-radius: 6px; font-size: 12px; cursor: pointer; font-family: 'DM Sans', sans-serif; transition: all 0.15s; white-space: nowrap; flex-shrink: 0; }
.curl-copy-btn:hover { background: #2A4A63; color: #fff; }

/* Trust strip */
.trust-section { padding: 40px 0; background: var(--card-bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-inner { max-width: 1080px; margin: 0 auto; padding: 0 48px; }
.trust-row { display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: flex-start; gap: 12px; text-decoration: none; }
.trust-item:hover .trust-icon { transform: scale(1.1); }
.trust-icon { font-size: 1.4rem; flex-shrink: 0; transition: transform 0.15s; }
.trust-item strong { display: block; font-size: 14px; font-weight: 600; color: var(--fg); margin-bottom: 3px; }
.trust-item span { font-size: 13px; color: var(--fg-muted); }

/* FAQ accordion */
.faq-section { padding: 80px 0; background: var(--bg); }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-trigger { width: 100%; background: none; border: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 20px 0; font-size: 16px; font-weight: 600; color: var(--fg); font-family: 'Syne', sans-serif; text-align: left; gap: 16px; transition: color 0.15s; }
.faq-trigger:hover { color: var(--accent-dark); }
.faq-icon { font-size: 20px; font-weight: 400; color: var(--accent); flex-shrink: 0; }
.faq-body { display: none; padding: 0 0 20px; }
.faq-body p { font-size: 15px; color: var(--fg-muted); line-height: 1.7; }
.faq-body p a { color: var(--accent-dark); text-decoration: none; }
.faq-body p a:hover { text-decoration: underline; }
.faq-body .inline-code { font-family: 'Fira Code', monospace; font-size: 12px; background: #EFF6FF; border: 1px solid #BFDBFE; border-radius: 5px; padding: 1px 5px; }

/* Closing CTA row */
.closing-cta-row { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 32px; flex-wrap: wrap; }
.btn-closing-primary { background: var(--accent); color: var(--bg-dark); padding: 14px 30px; border-radius: 10px; font-size: 15px; font-weight: 700; font-family: 'Syne', sans-serif; text-decoration: none; transition: opacity 0.15s; }
.btn-closing-primary:hover { opacity: 0.85; }
.btn-closing-secondary { color: rgba(255,255,255,0.6); font-size: 14px; font-weight: 500; text-decoration: none; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.3); transition: color 0.15s; }
.btn-closing-secondary:hover { color: rgba(255,255,255,0.9); }

/* Expanded footer */
.footer-brand-col { display: flex; flex-direction: column; gap: 8px; }
.footer-support { font-size: 13px; color: var(--fg-muted); }
.footer-support a { color: var(--accent-dark); text-decoration: none; }
.footer-support a:hover { text-decoration: underline; }
.footer-links-col { display: flex; gap: 48px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-head { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-muted); margin-bottom: 4px; }
.footer-col a { font-size: 13px; color: var(--fg-muted); text-decoration: none; transition: color 0.15s; }
.footer-col a:hover { color: var(--fg); }
.footer-bottom { max-width: 1080px; margin: 24px auto 0; padding: 16px 48px 0; border-top: 1px solid var(--border); display: flex; justify-content: space-between; font-size: 12px; color: var(--fg-muted); }

/* Mobile overrides */
@media (max-width: 768px) {
  .hero-inner { padding: 0 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .value-props-grid { grid-template-columns: 1fr; gap: 32px; }
  .trust-row { flex-direction: column; align-items: flex-start; gap: 24px; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-links-col { flex-wrap: wrap; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .closing-cta-row { flex-direction: column; }
}
@media (max-width: 480px) {
  .comparison-row { grid-template-columns: 1fr 52px 52px; }
  .btn-hero-primary { width: 100%; text-align: center; }
}