@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation-duration:.001ms!important; transition-duration:.001ms!important; } }
*,*::before,*::after { box-sizing: border-box; }
body { margin: 0; background: var(--surface-page); color: var(--text-primary); font-family: var(--font-sans, Inter, sans-serif); }
a { text-decoration: none; }
a:not([class]) { color: var(--cyan-700); }
a:not([class]):hover { color: var(--teal-700); }

@keyframes pr-sheen { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }
.pr-sheen { background: linear-gradient(90deg, var(--ink-950) 0%, var(--ink-950) 40%, var(--cyan-500) 50%, var(--mint-300) 58%, var(--ink-950) 68%, var(--ink-950) 100%); background-size: 240% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: pr-sheen 6s linear infinite; }

/* header */
.site-header-wrap { position: sticky; top: 14px; z-index: 1000; padding: 0 26px; }
.site-header { width: min(1480px,100%); margin: 0 auto; border: 1px solid var(--border-default); border-radius: 34px; background: rgba(255,255,255,.96); backdrop-filter: blur(18px); box-shadow: 0 12px 34px rgba(15,23,42,.07); }
.site-nav { min-height: 64px; padding: 8px 14px 8px 20px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--ink-950); font-size: 14.5px; font-weight: 850; letter-spacing: -.02em; flex: none; }
.brand img { width: 32px; height: 32px; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav-link { height: 40px; padding: 0 11px; border-radius: 999px; color: var(--slate-600); font-size: 12.5px; font-weight: 750; display: inline-flex; align-items: center; }
.nav-link:hover { background: rgba(22,184,217,.08); color: var(--cyan-700); }
.nav-link--active { color: var(--cyan-700); background: rgba(22,184,217,.08); }
.lab-cta { height: 40px; padding: 0 14px 0 8px; border-radius: 999px; background: var(--ink-950); color: #fff; font-size: 12.5px; font-weight: 850; display: flex; align-items: center; gap: 8px; flex: none; }
.lab-cta img { width: 27px; height: 27px; border-radius: 8px; }

/* generic section helpers */
.section-inner { max-width: 1220px; margin: 0 auto; }
.kicker { margin: 0; font-size: 12px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan-700); }
.kicker--mint { color: var(--mint-300); font-size: 11px; }
.h2 { margin: 10px 0 0; font-size: clamp(26px,3.4vw,36px); font-weight: 900; line-height: 1.1; letter-spacing: -.035em; }
.h2--light { color: #fff; }
.h2--tight { font-size: clamp(24px,3vw,32px); letter-spacing: -.03em; max-width: 760px; }
.body-text { margin: 14px 0 0; font-size: 16px; line-height: 1.6; color: var(--text-secondary); }
.body-text--light { max-width: 600px; color: rgba(226,242,247,.82); }
.body-text--tight { max-width: 640px; }
.body-text--wide { max-width: 680px; }

/* hero */
.hero { padding: 64px 26px 8px; max-width: 1220px; margin: 0 auto; }
.hero-title { margin: 22px 0 0; font-size: clamp(36px,5.2vw,58px); font-weight: 900; line-height: 1.03; letter-spacing: -.04em; max-width: 780px; }
.hero-lede { margin: 20px 0 0; max-width: 600px; font-size: 18px; line-height: 1.6; color: var(--text-secondary); }
.steps { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 16px; margin-top: 44px; }
.step { display: flex; gap: 14px; align-items: flex-start; }
.step p { margin: 6px 0 0; font-size: 15px; line-height: 1.55; color: var(--ink-700); }
.step b { color: var(--text-primary); }
.step-num { flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; border: 1px solid rgba(22,184,217,.28); background: rgba(22,184,217,.08); font-size: 13px; font-weight: 900; color: var(--cyan-700); }

/* plans */
.plans { margin-top: 64px; padding: 56px 26px; background: var(--surface-mist); border-top: 1px solid var(--border-default); }
.plans-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 28px; }
.plans-head-copy { max-width: 640px; }
.bill-toggle-panel { flex: none; padding: 16px 18px; border-radius: 20px; background: linear-gradient(158deg,var(--ink-950),var(--ink-800)); display: flex; align-items: center; gap: 12px; }
.bill-toggle-label { margin: 0; color: #fff; font-size: 13.5px; font-weight: 800; }
.bill-toggle-hint { margin: 2px 0 0; color: rgba(226,242,247,.6); font-size: 11.5px; }
.toggle-wrap { position: relative; width: 52px; height: 30px; border-radius: 999px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22); cursor: pointer; flex: none; }
.toggle-knob { position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: var(--mint-300); transition: transform .2s ease; }
.toggle-wrap.on .toggle-knob { transform: translateX(22px); }

.tiers { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; margin-top: 44px; align-items: stretch; }
.tier-name { margin: 18px 0 0; font-size: 21px; font-weight: 900; letter-spacing: -.03em; }
.tier-price { display: flex; align-items: baseline; gap: 6px; margin: 12px 0 0; }
.tier-price b { font-size: 36px; font-weight: 900; letter-spacing: -.03em; }
.tier-price span { font-size: 13.5px; font-weight: 700; color: var(--slate-500); }
.tier-note { margin: 6px 0 0; font-size: 12px; color: var(--slate-400); }
.tier-sub { margin: 10px 0 0; font-size: 13.5px; line-height: 1.5; color: var(--text-secondary); }
.tier-sub--dark { color: rgba(226,242,247,.7); }
.tier-list { display: grid; gap: 9px; margin: 20px 0 0; padding: 0; list-style: none; }
.tier-list li { display: grid; grid-template-columns: 14px 1fr; gap: 8px; font-size: 13.5px; line-height: 1.5; color: var(--ink-700); }
.tier-list--dark li { color: rgba(226,242,247,.86); }
.mark { font-weight: 900; color: var(--cyan-700); }
.mark--mint { color: var(--mint-300); }
.tier-cta { margin-top: 22px; }
.tier-cta--stack { display: grid; gap: 8px; }

/* card */
.card { position: relative; border-radius: var(--radius-lg,26px); border: 1px solid var(--border-default); background: var(--surface-card); box-shadow: var(--shadow-card-sm, 0 16px 40px rgba(15,23,42,.05)); padding: 26px 24px; transition: transform .24s ease, box-shadow .24s ease; height: 100%; }
.card:hover { transform: translateY(-4px); }
.card--dark { color: #fff; background: radial-gradient(circle at 20% 0%, rgba(37,99,235,.14), transparent 34%), linear-gradient(135deg, var(--ink-950), var(--ink-800)); border-color: transparent; }
.card--featured { border: 2px solid var(--cyan-500); box-shadow: 0 24px 60px rgba(22,184,217,.18); transform: translateY(-10px); height: calc(100% + 10px); }
.card--module { padding: 22px; }
.module-name { margin: 14px 0 0; font-size: 18px; font-weight: 900; letter-spacing: -.02em; color: #fff; }
.module-desc { margin: 8px 0 0; font-size: 13.5px; line-height: 1.5; color: rgba(226,242,247,.75); }

/* badge */
.badge { display: inline-flex; align-items: center; gap: 9px; border-radius: 999px; padding: 7px 14px; font-family: var(--font-sans); font-size: 11px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.badge--cyan { color: var(--cyan-700); background: rgba(22,184,217,.08); border: 1px solid rgba(22,184,217,.34); }
.badge--slate { color: var(--slate-600); background: rgba(15,23,42,.05); border: 1px solid rgba(15,23,42,.12); }
.badge--teal { color: var(--teal-700); background: rgba(20,184,166,.1); border: 1px solid rgba(20,184,166,.3); }
.badge--gold { color: var(--gold-700); background: rgba(244,201,93,.16); border: 1px solid rgba(244,201,93,.4); }
.badge--mint-on-dark { color: var(--mint-300); background: rgba(110,231,216,.16); border: 1px solid rgba(110,231,216,.4); }
.badge--gold-on-dark { color: var(--gold-400); background: rgba(244,201,93,.16); border: 1px solid rgba(244,201,93,.4); }
.badge--pill { width: 100%; justify-content: center; white-space: normal; text-align: center; line-height: 1.3; }

/* button */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 22px; border-radius: 13px; font-family: var(--font-sans); font-weight: 850; font-size: 14px; white-space: nowrap; cursor: pointer; transition: background .2s,border-color .2s,color .2s,transform .2s,box-shadow .2s; width: 100%; }
.btn--auto { width: auto; }
.btn--primary { border: 1px solid transparent; background: var(--cyan-500); color: #fff; box-shadow: var(--shadow-cta-cyan, 0 12px 28px rgba(22,184,217,.3)); }
.btn--primary:hover { background: var(--cyan-600); }
.btn--dark { border: 1px solid transparent; background: var(--ink-950); color: #fff; box-shadow: 0 10px 24px rgba(7,17,31,.18); }
.btn--dark:hover { background: #0d2238; }
.btn--ghost { border: 1px solid #d8e0ea; background: #fff; color: var(--text-primary); box-shadow: var(--shadow-card-sm, 0 2px 8px rgba(15,23,42,.05)); }
.btn--ghost:hover { border-color: var(--cyan-500); color: var(--cyan-700); }

/* modules section */
.modules-section { padding: 64px 26px; background: radial-gradient(60% 80% at 85% 0%, rgba(22,184,217,.2), transparent 58%), linear-gradient(158deg,var(--ink-950),var(--ink-800)); }
.modules-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-top: 36px; }

/* usage / principle */
.usage-section { padding: 60px 26px; border-top: 1px solid var(--border-default); }
.principle-section { padding: 60px 26px 80px; background: var(--surface-mist); border-top: 1px solid var(--border-default); }
.svc-callout { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 28px; border: 1px solid var(--border-default); border-radius: 22px; background: var(--surface-mist); margin-top: 24px; }
.svc-text { margin: 0; font-size: 15px; color: var(--ink-700); max-width: 620px; }

.experience-section { padding: 88px 26px; background: #f5f8fb; border-top: 1px solid #dce5eb; }
.experience-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; margin-top: 34px; }
.experience-card { display: flex; flex-direction: column; padding: 30px; border: 1px solid #dce5eb; border-radius: 26px; background: #fff; box-shadow: 0 18px 46px rgba(7,17,31,.08); }
.experience-card--dark { background: #07111f; border-color: #1d3349; color: #fff; }
.experience-card h3 { margin: 18px 0 8px; font-size: 30px; line-height: 1.05; letter-spacing: -.035em; }
.experience-card--dark h3,.experience-card--dark p { color: #fff; }
.experience-card p { line-height: 1.65; }
.experience-price { margin: 0 0 8px; color: #334155; }
.experience-card .tier-list { flex: 1; margin-top: 18px; }
.experience-card .btn { align-self: flex-start; margin-top: 18px; }

/* footer */
.site-footer { border-top: 1px solid var(--border-default); background: #fff; }
.footer-inner { width: min(1220px,calc(100% - 40px)); margin: 0 auto; padding: 64px 0 28px; }
.footer-top { display: grid; grid-template-columns: minmax(240px,1.15fr) minmax(0,2fr); gap: 48px; align-items: start; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-950); font-size: 18px; font-weight: 800; letter-spacing: -.03em; }
.footer-logo img { width: 34px; height: 34px; }
.footer-brand p { max-width: 400px; margin: 18px 0 0; color: var(--text-secondary); font-size: 15px; line-height: 1.7; }
.footer-nav { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h2 { margin: 0 0 4px; color: var(--ink-950); font-size: 13px; font-weight: 800; }
.footer-col a { color: #334155; font-size: 14px; line-height: 1.45; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; margin-top: 52px; padding-top: 22px; border-top: 1px solid var(--border-default); color: var(--slate-500); font-size: 12px; }
.footer-bottom p { margin: 0; }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-bottom a { color: #334155; }

@media (max-width: 900px) {
  .tiers { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .modules-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 560px) {
  .tiers { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .experience-grid { grid-template-columns: 1fr; }
  .experience-section { padding: 64px 26px; }
}