:root {
  --graphite: #111827;
  --graphite-2: #0B1220;
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --yellow: #F5C542;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-500: #6B7280;
  --gray-700: #374151;
  --white: #FFFFFF;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(17, 24, 39, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--graphite);
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(229,231,235,.78);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 78px; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 850; letter-spacing: -.02em; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px; background: var(--graphite);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 18px; font-weight: 850; letter-spacing: -.08em;
  box-shadow: 0 10px 28px rgba(17,24,39,.22);
}
.brand-mark sup { color: var(--yellow); font-size: 14px; line-height: 0; margin-left: 1px; }
.brand-text { font-size: 18px; }
.brand-degree { color: var(--yellow); }
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--gray-700); font-size: 15px; font-weight: 650; }
.nav-links a:hover { color: var(--blue); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 20px; border-radius: 999px;
  font-weight: 750; border: 1px solid transparent;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: white; box-shadow: 0 16px 36px rgba(37,99,235,.28); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: rgba(255,255,255,.1); color: white; border-color: rgba(255,255,255,.22); }
.btn-secondary:hover { background: rgba(255,255,255,.16); }
.btn-light { background: white; color: var(--graphite); border-color: var(--gray-200); }
.btn-light:hover { box-shadow: 0 12px 28px rgba(17,24,39,.09); }
.btn-ghost { color: var(--blue); background: rgba(37,99,235,.08); }

.hero {
  position: relative; overflow: hidden;
  color: white; background:
    radial-gradient(circle at 82% 20%, rgba(245,197,66,.28), transparent 24%),
    radial-gradient(circle at 18% 20%, rgba(37,99,235,.36), transparent 26%),
    linear-gradient(135deg, var(--graphite-2), var(--graphite));
  padding: 92px 0 86px;
}
.hero::after {
  content: ""; position: absolute; inset: auto -10% -45% 42%; height: 560px;
  background: linear-gradient(135deg, rgba(37,99,235,.22), rgba(245,197,66,.13));
  transform: rotate(-12deg); border-radius: 80px; filter: blur(2px);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--yellow); font-weight: 850; text-transform: uppercase; letter-spacing: .14em; font-size: 13px; margin: 0 0 16px; }
h1 { font-size: clamp(48px, 7vw, 88px); line-height: .95; letter-spacing: -.06em; margin: 0 0 20px; }
.hero h1 .degree { color: var(--yellow); }
.hero-title-small { display:block; font-size: .56em; letter-spacing: .12em; color: #93C5FD; margin-top: 10px; }
.lede { font-size: clamp(18px, 2vw, 22px); color: rgba(255,255,255,.78); max-width: 620px; margin: 0 0 30px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; }
.hero-card {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 32px;
  padding: 28px; box-shadow: 0 30px 90px rgba(0,0,0,.32); backdrop-filter: blur(16px);
}
.axis-art { position: relative; min-height: 360px; border-radius: 28px; overflow: hidden; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); }
.axis-line { position:absolute; left:50%; top:50%; width:76%; height:4px; background: linear-gradient(90deg, transparent, #60A5FA, transparent); transform-origin:center; border-radius: 999px; }
.axis-line.one { transform: translate(-50%, -50%) rotate(0deg); }
.axis-line.two { transform: translate(-50%, -50%) rotate(58deg); }
.axis-line.three { transform: translate(-50%, -50%) rotate(-34deg); background: linear-gradient(90deg, transparent, rgba(245,197,66,.95), transparent); }
.axis-dot { position:absolute; width:18px; height:18px; border-radius:50%; background: var(--yellow); left: calc(50% - 9px); top: calc(50% - 9px); box-shadow: 0 0 34px rgba(245,197,66,.9); }
.metric-card { position:absolute; background: white; color: var(--graphite); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow); min-width: 190px; }
.metric-card strong { display:block; font-size: 26px; line-height:1; letter-spacing:-.04em; }
.metric-card span { color: var(--gray-500); font-size: 13px; font-weight:650; }
.metric-card.a { left: 20px; top: 24px; }
.metric-card.b { right: 20px; bottom: 24px; }

section { padding: 84px 0; }
.section-muted { background: var(--gray-50); }
.section-heading { max-width: 720px; margin-bottom: 34px; }
.section-kicker { color: var(--blue); font-weight:850; text-transform:uppercase; letter-spacing:.12em; font-size:13px; margin:0 0 10px; }
h2 { font-size: clamp(34px, 4vw, 54px); line-height: 1.02; letter-spacing: -.045em; margin: 0 0 14px; }
h3 { font-size: 25px; line-height: 1.12; margin: 0 0 10px; letter-spacing: -.03em; }
p { margin: 0 0 18px; color: var(--gray-700); }
.card-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: white; border:1px solid var(--gray-200); border-radius: var(--radius); padding: 26px; box-shadow: 0 10px 34px rgba(17,24,39,.04); }
.product-card { min-height: 320px; display:flex; flex-direction:column; }
.product-icon { width: 64px; height:64px; border-radius: 18px; overflow:hidden; margin-bottom: 20px; background: var(--gray-100); display:flex; align-items:center; justify-content:center; }
.product-icon.placeholder { color: var(--blue); font-weight:850; font-size:24px; }
.badge { display:inline-flex; align-items:center; width:max-content; padding: 7px 11px; border-radius:999px; font-size: 12px; font-weight:850; letter-spacing:.04em; text-transform:uppercase; margin-bottom: 14px; }
.badge-blue { background: rgba(37,99,235,.1); color: var(--blue); }
.badge-yellow { background: rgba(245,197,66,.22); color: #8A5A00; }
.product-card .spacer { flex:1; }
.feature-list { display:grid; grid-template-columns: repeat(2, 1fr); gap:18px; }
.feature { background: white; border:1px solid var(--gray-200); border-radius: 22px; padding: 22px; }
.feature::before { content:""; display:block; width: 34px; height: 5px; border-radius:999px; background: linear-gradient(90deg, var(--blue), var(--yellow)); margin-bottom: 16px; }
.product-hero-img { border-radius: 28px; box-shadow: var(--shadow); border:1px solid var(--gray-200); background: white; }
.split { display:grid; grid-template-columns: .95fr 1.05fr; gap:46px; align-items:center; }
.pricing-grid { display:grid; grid-template-columns: 1fr 1fr; gap:22px; }
.price-card { background:white; border:1px solid var(--gray-200); border-radius: var(--radius); padding:28px; }
.price { font-size:34px; font-weight:850; letter-spacing:-.04em; margin: 0 0 10px; }
.info-list { padding-left: 20px; color: var(--gray-700); }
.info-list li { margin-bottom: 10px; }
.page-hero { background: var(--gray-50); padding: 72px 0 54px; border-bottom:1px solid var(--gray-200); }
.page-hero h1 { color: var(--graphite); font-size: clamp(44px, 6vw, 72px); margin-bottom: 14px; }
.page-hero .lede { color: var(--gray-700); }
.content { width: min(850px, calc(100% - 40px)); margin: 0 auto; padding: 70px 0; }
.content h2 { font-size: 30px; margin-top: 38px; }
.content h3 { margin-top: 28px; }
.content a { color: var(--blue); font-weight: 750; }
.faq-item { border-bottom:1px solid var(--gray-200); padding: 24px 0; }
.faq-item h3 { margin-bottom:8px; }
.footer { background: var(--graphite-2); color:white; padding: 48px 0; }
.footer-grid { display:grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 30px; }
.footer p, .footer a { color: rgba(255,255,255,.72); }
.footer a:hover { color: white; }
.footer-title { color:white; font-weight:850; margin-bottom:12px; }
.footer-links { display:grid; gap:10px; }
.copyright { border-top:1px solid rgba(255,255,255,.1); margin-top:36px; padding-top:22px; color: rgba(255,255,255,.56); font-size:14px; }

@media (max-width: 860px) {
  .nav { min-height: 70px; }
  .nav-links { gap: 14px; font-size: 14px; }
  .nav-links .optional { display:none; }
  .hero { padding: 68px 0; }
  .hero-grid, .split, .pricing-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1120px); }
  .brand-text { display:none; }
  .hero-actions .btn { width:100%; }
  section { padding: 64px 0; }
  .metric-card { position: relative; left: auto !important; right: auto !important; top: auto !important; bottom: auto !important; margin: 18px; }
  .axis-art { min-height: 430px; }
}

/* Click to Flow pricing */
.narrow { max-width: 840px; }
.pricing-hero { text-align: center; }
.pricing-section { padding-top: 58px; }
.plan-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.plan-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 26px; box-shadow: 0 12px 34px rgba(17,24,39,.06); }
.plan-card.featured { border: 2px solid var(--blue); transform: translateY(-8px); box-shadow: 0 18px 48px rgba(37,99,235,.18); }
.featured-label { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); padding: 6px 13px; border-radius: 999px; background: var(--blue); color: #fff; font-size: .73rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; white-space: nowrap; }
.plan-card h2 { margin: 14px 0 6px; font-size: 1.45rem; }
.plan-card-top > p:last-child { min-height: 66px; color: var(--gray-600); }
.plan-price { display: flex; gap: 6px; align-items: baseline; margin: 6px 0 16px; }
.plan-price span { color: var(--ink); font-size: 2.2rem; font-weight: 850; letter-spacing: -.05em; }
.plan-price small { color: var(--gray-600); font-weight: 650; }
.plan-limit { margin: 20px 0; padding: 18px; border-radius: 14px; background: var(--gray-50); border: 1px solid var(--gray-200); }
.plan-limit strong { display: block; color: var(--blue); font-size: 1.9rem; line-height: 1.05; }
.plan-limit span { display: block; margin-top: 5px; color: var(--gray-600); font-size: .9rem; font-weight: 700; }
.plan-features { margin: 0; padding: 0; list-style: none; }
.plan-features li { position: relative; padding: 10px 0 10px 25px; border-top: 1px solid var(--gray-200); color: var(--gray-700); font-size: .93rem; }
.plan-features li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 850; }
.usage-card { background: var(--ink); color: #fff; border-radius: var(--radius); padding: 10px 24px; }
.usage-row { display: flex; justify-content: space-between; gap: 24px; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.usage-row:last-child { border-bottom: 0; }
.usage-row span { color: rgba(255,255,255,.72); }
.usage-row strong { color: var(--yellow); text-align: right; }
.pricing-note { max-width: 760px; text-align: center; }
.pricing-note .btn { margin-top: 12px; }
@media (max-width: 1050px) { .plan-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } .plan-card.featured { transform: none; } }
@media (max-width: 640px) { .plan-grid { grid-template-columns: 1fr; } .plan-card-top > p:last-child { min-height: auto; } }


.subnav-section { padding: 18px 0; border-bottom: 1px solid var(--gray-200); background: white; }
.product-subnav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.product-subnav a { display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px; border-radius: 999px; background: white; border: 1px solid var(--gray-200); color: var(--gray-700); font-size: 13px; font-weight: 750; }
.product-subnav a:hover { color: var(--blue); box-shadow: 0 10px 24px rgba(17,24,39,.08); }
.development-card { background: linear-gradient(180deg, white, var(--gray-50)); }
.nav-links a[aria-current="page"] { color: var(--blue); }
@media (max-width: 560px) { .product-subnav a { flex: 1 1 calc(50% - 10px); justify-content: center; } }