:root {
  color-scheme: light;
  --ink: #07111f;
  --ink-soft: #1d2b3f;
  --muted: #64748b;
  --line: #dce4ee;
  --paper: #f6f8fb;
  --white: #ffffff;
  --blue: #6f3df4;
  --blue-soft: #f1ebff;
  --cyan: #20b9d8;
  --coral: #ff5e69;
  --green: #14b884;
  --shadow: 0 24px 80px rgba(7, 17, 31, 0.12);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.5;
}
a {
  color: inherit;
  text-decoration: none;
}
main {
  min-height: 100vh;
  overflow: hidden;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(246, 248, 251, 0.82);
  border-bottom: 1px solid rgba(220, 228, 238, 0.72);
  display: flex;
  height: 76px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(20px, 5vw, 72px);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
}
.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 800;
  gap: 10px;
  letter-spacing: 0;
}
.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--ink), #6f3df4 58%, var(--cyan));
  border-radius: 8px;
  color: var(--white);
  display: inline-flex;
  font-size: 15px;
  height: 34px;
  justify-content: center;
  width: 34px;
}
.site-header nav {
  align-items: center;
  display: flex;
  gap: clamp(16px, 3vw, 32px);
}
.site-header nav a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}
.site-header nav a:hover {
  color: var(--blue);
}

.section-pad {
  padding: clamp(72px, 9vw, 132px) clamp(20px, 5vw, 72px);
}
.subhero {
  background:
    linear-gradient(135deg, rgba(111, 61, 244, 0.13), transparent 34%),
    radial-gradient(circle at 82% 18%, rgba(32, 185, 216, 0.15), transparent 30%), var(--white);
  border-bottom: 1px solid var(--line);
  padding: clamp(74px, 9vw, 132px) clamp(20px, 5vw, 72px);
}
.product-detail-hero {
  align-items: center;
  display: grid;
  gap: clamp(36px, 5vw, 74px);
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 0.76fr);
}
.section-kicker,
.section-heading p {
  align-items: center;
  color: var(--blue);
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  gap: 8px;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
  text-transform: uppercase;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  font-size: clamp(42px, 6.5vw, 82px);
  line-height: 0.98;
  margin-bottom: 22px;
  max-width: 980px;
}
h2 {
  font-size: clamp(34px, 4.8vw, 64px);
  line-height: 1.02;
  margin-bottom: 18px;
}
h3 {
  font-size: 22px;
  letter-spacing: 0;
  line-height: 1.16;
  margin-bottom: 12px;
}
.subhero p:not(.section-kicker),
.body-lede,
.legal-hero p,
.trust-copy p {
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.7;
}
.product-title-row {
  align-items: center;
  display: flex;
  gap: 18px;
}
.app-icon {
  border-radius: 12px;
  box-shadow: 0 12px 24px rgba(7, 17, 31, 0.14);
  flex: 0 0 auto;
  height: 58px;
  object-fit: cover;
  width: 58px;
}
.app-icon.large {
  border-radius: 16px;
  height: 78px;
  width: 78px;
}
.hero-actions,
.button-row,
.centered-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.primary-button,
.secondary-button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
}
.primary-button {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 16px 34px rgba(7, 17, 31, 0.18);
}
.secondary-button {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
}

.product-visual.rich {
  align-items: center;
  background: #edf4ff;
  border: 1px solid rgba(220, 228, 238, 0.88);
  border-radius: 8px;
  display: flex;
  height: 390px;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.app-shot {
  background: #111827;
  border-radius: 32px;
  box-shadow: 0 24px 58px rgba(7, 17, 31, 0.26);
  padding: 10px;
  width: 210px;
}
.app-shot-screen {
  background: #f8fafc;
  border-radius: 24px;
  min-height: 330px;
  overflow: hidden;
  padding: 18px 12px;
}
.app-shot-top {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
}
.app-shot-title {
  color: var(--blue);
  font-size: 17px;
  font-weight: 900;
}
.app-shot-pill {
  background: var(--blue);
  border-radius: 999px;
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  padding: 5px 8px;
}
.before-after {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 14px 30px rgba(7, 17, 31, 0.12);
  overflow: hidden;
}
.before-after-art {
  height: 190px;
  position: relative;
  background:
    radial-gradient(circle at 50% 31%, #ffe3cf 0 16%, transparent 17%),
    radial-gradient(circle at 43% 33%, #3b2a22 0 3%, transparent 4%),
    radial-gradient(circle at 57% 33%, #3b2a22 0 3%, transparent 4%),
    linear-gradient(90deg, #ead2c0 0 49.5%, #ffffff 49.5% 50.5%, #d9e5f3 50.5% 100%);
}
.before-after-art:before {
  background: linear-gradient(#30231e, #5b4038);
  border-radius: 54px 54px 0 0;
  bottom: 0;
  content: "";
  left: 54px;
  opacity: 0.9;
  position: absolute;
  right: 54px;
  top: 60px;
}
.before-after-art:after {
  background: #fff;
  bottom: 0;
  content: "";
  left: 50%;
  position: absolute;
  top: 0;
  width: 1px;
}
.ba-label {
  background: rgba(7, 17, 31, 0.72);
  border-radius: 999px;
  bottom: 12px;
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  padding: 6px 8px;
  position: absolute;
  z-index: 2;
}
.ba-label.before {
  left: 10px;
}
.ba-label.after {
  right: 10px;
}
.app-shot-copy {
  padding: 13px;
}
.app-shot-copy strong {
  display: block;
  font-size: 18px;
  line-height: 1.1;
}
.app-shot-copy span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  line-height: 1.35;
  margin-top: 6px;
}
.floating-app-icon {
  border-radius: 14px;
  bottom: 22px;
  box-shadow: 0 16px 34px rgba(7, 17, 31, 0.2);
  height: 64px;
  object-fit: cover;
  position: absolute;
  right: 22px;
  width: 64px;
}

.split-section {
  align-items: center;
  display: grid;
  gap: clamp(34px, 5vw, 74px);
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.72fr);
}
.split-section.reverse {
  grid-template-columns: minmax(360px, 0.72fr) minmax(0, 0.9fr);
}
.stack-list,
.use-case-panel,
.principle-wall,
.request-steps {
  display: grid;
  gap: 14px;
}
.stack-list div,
.use-case-panel div,
.principle-wall div,
.request-steps div {
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  font-weight: 800;
  gap: 12px;
  padding: 16px;
}
.check {
  color: var(--green);
  flex: 0 0 auto;
  font-weight: 900;
}
.page-band {
  background: #f3f7fb;
}
.section-heading {
  margin: 0 auto 42px;
  max-width: 870px;
  text-align: center;
}
.section-heading.compact {
  max-width: 680px;
}
.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.feature-card,
.faq-list article,
.legal-content,
.legal-hero,
.company-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 50px rgba(7, 17, 31, 0.08);
}
.feature-card {
  min-height: 238px;
  padding: 26px;
}
.feature-card .feature-mark {
  color: var(--blue);
  display: block;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.feature-card p,
.faq-list p,
.legal-content p,
.legal-content li,
.company-card p {
  color: var(--muted);
  line-height: 1.65;
}
.trust-section {
  align-items: center;
  background: var(--white);
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.7fr);
}
.trust-list {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 50px rgba(7, 17, 31, 0.08);
  display: grid;
  overflow: hidden;
}
.trust-list div {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  font-weight: 800;
  gap: 14px;
  min-height: 78px;
  padding: 0 24px;
}
.trust-list div:last-child {
  border-bottom: 0;
}
.faq-section {
  background: var(--white);
}
.faq-list {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.faq-list article {
  padding: 24px;
}
.cta-band {
  align-items: center;
  background: var(--white);
  border-top: 1px solid var(--line);
  display: flex;
  gap: 28px;
  justify-content: space-between;
}
.cta-band h2 {
  margin-bottom: 0;
}

.legal-page {
  margin: 0 auto;
  max-width: 920px;
  padding: 40px 20px 96px;
}
.back-link {
  align-items: center;
  color: var(--blue);
  display: inline-flex;
  font-weight: 850;
  gap: 8px;
  margin-bottom: 42px;
}
.legal-hero {
  padding: clamp(30px, 5vw, 58px);
}
.legal-icon {
  align-items: center;
  background: var(--blue-soft);
  border-radius: 8px;
  color: var(--blue);
  display: flex;
  height: 58px;
  justify-content: center;
  margin-bottom: 26px;
  width: 58px;
}
.legal-hero h1 {
  font-size: clamp(42px, 7vw, 76px);
  margin-bottom: 18px;
}
.legal-date {
  color: var(--muted);
  font-size: 15px;
  font-weight: 850;
  margin-bottom: 0;
  margin-top: 22px;
}
.legal-content {
  margin-top: 20px;
  padding: clamp(28px, 4vw, 46px);
}
.legal-content h2 {
  font-size: 25px;
  margin-bottom: 10px;
}
.legal-content p {
  margin-bottom: 28px;
}
.legal-content ul {
  color: var(--ink-soft);
  display: grid;
  gap: 12px;
  line-height: 1.7;
  margin: -10px 0 30px;
  padding-left: 22px;
}
.legal-content li::marker {
  color: var(--blue);
}
.legal-content a {
  color: var(--blue);
  font-weight: 850;
}
.legal-note {
  align-items: flex-start;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  color: #1e40af;
  display: flex;
  font-weight: 750;
  gap: 12px;
  line-height: 1.55;
  margin-top: 14px;
  padding: 16px;
}

.footer {
  align-items: flex-start;
  background: var(--ink);
  color: var(--white);
  display: flex;
  gap: 32px;
  justify-content: space-between;
  padding: 44px clamp(20px, 5vw, 72px);
}
.footer p {
  color: #cbd5e1;
  margin: 14px 0 0;
  max-width: 430px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
  max-width: 560px;
}
.footer-links a {
  color: #e2e8f0;
  font-size: 14px;
  font-weight: 800;
}

@media (max-width: 1080px) {
  .product-detail-hero,
  .split-section,
  .split-section.reverse,
  .trust-section {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .product-visual.rich {
    max-width: 520px;
  }
}
@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    height: auto;
    padding-bottom: 16px;
    padding-top: 16px;
    position: relative;
  }
  .site-header nav {
    flex-wrap: wrap;
    gap: 12px 18px;
  }
  .site-header nav a {
    font-size: 13px;
  }
  .product-title-row {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero-actions,
  .button-row,
  .centered-actions,
  .cta-band {
    align-items: stretch;
    flex-direction: column;
  }
  .primary-button,
  .secondary-button {
    width: 100%;
  }
  .feature-grid,
  .faq-list {
    grid-template-columns: 1fr;
  }
  .footer {
    flex-direction: column;
  }
  .footer-links {
    justify-content: flex-start;
  }
}
@media (max-width: 430px) {
  h1 {
    font-size: 42px;
  }
  h2 {
    font-size: 32px;
  }
  .section-pad {
    padding-left: 16px;
    padding-right: 16px;
  }
  .product-visual.rich {
    height: 340px;
  }
}