:root {
  --primary: #0066cc;
  --primary-focus: #0071e3;
  --primary-on-dark: #2997ff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --muted-dark: #cccccc;
  --canvas: #ffffff;
  --parchment: #f5f5f7;
  --pearl: #fafafc;
  --hairline: #e0e0e0;
  --tile: #272729;
  --tile-2: #2a2a2c;
  --tile-3: #252527;
  --black: #000000;
  --dream-a: #28c9ff;
  --dream-b: #6f86f6;
  --dream-c: #c875d8;
  --radius-card: 18px;
  --radius-sm: 8px;
  --radius-pill: 9999px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.374px;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container,
.nav-inner {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 0 24px;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 44px;
  background: var(--black);
  color: #fff;
}

.nav-inner {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 12px;
  letter-spacing: -0.12px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  white-space: nowrap;
}

.logo-mark {
  width: 22px;
  height: 22px;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.24);
}

.nav-links,
.sub-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.sub-nav {
  position: sticky;
  top: 44px;
  z-index: 49;
  height: 52px;
  background: rgba(245, 245, 247, 0.86);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  backdrop-filter: saturate(180%) blur(20px);
}

.sub-nav .nav-inner {
  height: 52px;
  color: var(--ink);
}

.sub-title {
  font-size: 21px;
  font-weight: 600;
}

.sub-actions {
  font-size: 14px;
  color: #333;
}

.gradient-text {
  background: linear-gradient(95deg, var(--primary), var(--dream-b) 48%, var(--dream-c));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pill {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 11px 22px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease;
  white-space: nowrap;
}

.pill:hover {
  background: #004f9f;
}

.pill:active {
  transform: scale(0.95);
}

.pill.secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.pill.small {
  min-height: 30px;
  padding: 6px 14px;
  font-size: 12px;
}

.product-hero {
  padding: 86px 0 70px;
  background: var(--parchment);
  text-align: center;
}

.product-logo {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  margin: 0 auto 22px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.product-logo.openai {
  border-radius: 22px;
}

.product-logo img,
.product-logo svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-logo.claude svg {
  display: block;
}

.product-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 16px;
  margin-bottom: 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.72);
  color: #333;
  font-size: 14px;
  font-weight: 600;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin: 0 auto 16px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.product-subtitle {
  max-width: 720px;
  margin: 0 auto 18px;
  color: #333;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.22;
}

.note-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--hairline);
  background: var(--canvas);
  color: var(--muted);
  font-size: 14px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.section-pad {
  padding: 84px 0;
}

.section-soft {
  background: var(--parchment);
}

.section-dark {
  background: var(--tile);
  color: #fff;
}

.section-label {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.section-title {
  margin-bottom: 12px;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 600;
  text-align: center;
}

.section-sub {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.35;
  text-align: center;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.plan-card {
  position: relative;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: var(--radius-card);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.62)),
    radial-gradient(circle at 20% 0%, rgba(40, 201, 255, 0.16), transparent 34%),
    radial-gradient(circle at 86% 12%, rgba(200, 117, 216, 0.12), transparent 30%);
  backdrop-filter: saturate(160%) blur(22px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.76);
  overflow: hidden;
  isolation: isolate;
  transition: transform 220ms ease, border-color 220ms ease;
}

.plan-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 102, 204, 0.28);
}

.plan-card.muted {
  opacity: 0.74;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  min-height: 30px;
  padding: 6px 12px;
  margin-bottom: 18px;
  border-radius: var(--radius-pill);
  background: rgba(0, 102, 204, 0.08);
  color: var(--primary);
  border: 1px solid rgba(0, 102, 204, 0.18);
  font-size: 13px;
  font-weight: 600;
}

.plan-name {
  margin-bottom: 6px;
  font-size: 31px;
  line-height: 1.1;
  font-weight: 600;
}

.plan-origin {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 14px;
}

.plan-price {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}

.plan-price .label {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.plan-price .num {
  font-size: 46px;
  line-height: 1.05;
  font-weight: 600;
  background: linear-gradient(95deg, var(--primary), var(--dream-b) 55%, var(--dream-c));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.plan-price .unit {
  color: var(--muted);
  font-size: 15px;
}

.feature-list {
  display: grid;
  gap: 9px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  color: #333;
  font-size: 15px;
}

.feature-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 9px;
}

.feature-list li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 600;
}

.plan-cta {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: auto;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-size: 17px;
}

.plan-cta.disabled {
  background: #e7e7eb;
  color: var(--muted);
  cursor: not-allowed;
}

.plan-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.steps-grid,
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.step-card,
.trust-card {
  padding: 26px;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--tile-2);
}

.trust-card {
  border-color: var(--hairline);
  background: var(--canvas);
}

.step-num,
.trust-num {
  margin-bottom: 30px;
  color: var(--primary-on-dark);
  font-weight: 600;
}

.trust-num {
  color: var(--primary);
}

.section-dark .section-label,
.section-dark .section-sub {
  color: var(--muted-dark);
}

.step-card h3,
.trust-card h3 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.16;
}

.step-card p {
  margin-bottom: 0;
  color: #d6d6d6;
  font-size: 15px;
}

.trust-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.code-chip {
  display: inline-flex;
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(41, 151, 255, 0.1);
  color: var(--primary-on-dark);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.faq-list {
  max-width: 900px;
  margin: 42px auto 0;
  border-top: 1px solid var(--hairline);
}

.faq-item {
  border-bottom: 1px solid var(--hairline);
}

.faq-q {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  font-weight: 600;
}

.faq-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--canvas);
  color: var(--ink);
  transition: transform 160ms ease;
}

.faq-a {
  display: none;
  max-width: 780px;
  margin: -2px 0 24px;
  color: var(--muted);
  font-size: 15px;
}

.faq-item.active .faq-a {
  display: block;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.cta-banner {
  padding: 86px 0;
  background: var(--tile);
  color: #fff;
  text-align: center;
}

.cta-banner .section-label,
.cta-banner .section-sub {
  color: var(--muted-dark);
}

footer {
  padding: 58px 0 42px;
  background: var(--parchment);
  color: #333;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 34px;
  margin-bottom: 36px;
}

.footer-desc {
  max-width: 480px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.footer-col-title {
  margin-bottom: 12px;
  font-weight: 600;
}

.footer-links {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 12px;
}

.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.fbadge {
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  background: var(--canvas);
  border: 1px solid var(--hairline);
}

.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(8px);
}

.qr-modal.active {
  display: flex;
}

.modal-card {
  position: relative;
  width: min(100%, 340px);
  padding: 30px;
  border-radius: var(--radius-card);
  background: var(--canvas);
  color: var(--ink);
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: var(--parchment);
  cursor: pointer;
}

.qr-image {
  width: 210px;
  height: 210px;
  display: block;
  margin: 20px auto;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: #fff;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 680ms ease, transform 680ms ease;
  transition-delay: var(--delay, 0ms);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .plans-grid,
  .steps-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .container,
  .nav-inner {
    padding-left: 18px;
    padding-right: 18px;
  }

  .nav-links,
  .sub-actions a:not(.pill) {
    display: none;
  }

  .sub-title {
    font-size: 17px;
  }

  .sub-actions .pill {
    min-height: 34px;
    padding: 7px 13px;
    font-size: 13px;
  }

  .product-hero,
  .section-pad,
  .cta-banner {
    padding: 62px 0;
  }

  h1 {
    font-size: 40px;
  }

  .product-subtitle,
  .section-sub {
    font-size: 19px;
  }

  .plan-card,
  .step-card,
  .trust-card {
    padding: 22px;
  }

  .footer-grid,
  .footer-bottom {
    display: grid;
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .plan-card:hover {
    transform: none;
  }
}