/* ---------- tokens ---------- */
:root {
  --ink: #0B0B0F;
  --cobalt: #1B3CFF;
  --cobalt-soft: #B5C5FF;
  --graphite: #2B2B33;
  --muted: #6B6B72;
  --rule: #ECECEE;
  --tint: #F4F4F6;
  --marigold: #F2B937;
  --white: #FFFFFF;

  --display: "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --page-pad: 64px;
  --page-max: 1440px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

.page {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
}

/* ---------- nav ---------- */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px var(--page-pad);
  border-bottom: 1px solid var(--rule);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.brand-mark img { width: 28px; height: 28px; border-radius: 6px; object-fit: cover; }
.brand-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
}
.nav-links a:hover { color: var(--cobalt); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  transition: transform .15s ease, background-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-cobalt { background: var(--cobalt); color: var(--white); }
.btn-cobalt:hover { background: #1530d6; }
.btn-ink { background: var(--ink); color: var(--white); padding: 18px 28px; font-size: 16px; }
.btn-ink:hover { background: #1f1f25; }
.btn-large { padding: 22px 36px; font-size: 18px; }
.btn-trail { color: var(--cobalt-soft); font-weight: 500; font-size: 16px; }

/* ---------- type helpers ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--body);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}
.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--ink);
}
.eyebrow-inline {
  font-family: var(--body);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cobalt);
}
.eyebrow-muted {
  font-family: var(--body);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.display-xl {
  font-family: var(--display);
  font-weight: 700;
  font-size: 152px;
  line-height: 132px;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 0;
}
.display-xl .accent {
  color: var(--cobalt);
  font-style: italic;
  font-weight: 500;
}
.display-l {
  font-family: var(--display);
  font-weight: 700;
  font-size: 120px;
  line-height: 108px;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 0;
  text-align: center;
}
.display-m {
  font-family: var(--display);
  font-weight: 600;
  font-size: 64px;
  line-height: 64px;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0;
}
.h-section {
  font-family: var(--display);
  font-weight: 600;
  font-size: 48px;
  line-height: 52px;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0;
}
.h-cta {
  font-family: var(--display);
  font-weight: 600;
  font-size: 36px;
  line-height: 42px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  max-width: 720px;
}
.h-card {
  font-family: var(--display);
  font-weight: 600;
  font-size: 32px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
.h-feature {
  font-family: var(--display);
  font-weight: 600;
  font-size: 28px;
  line-height: 34px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
.h-row {
  font-family: var(--display);
  font-weight: 600;
  font-size: 22px;
  line-height: 28px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}

.lede {
  font-family: var(--body);
  font-weight: 400;
  font-size: 20px;
  line-height: 32px;
  color: var(--graphite);
  margin: 0;
}
.body {
  font-family: var(--body);
  font-weight: 400;
  font-size: 16px;
  line-height: 26px;
  color: var(--graphite);
  margin: 0;
}
.body-sm {
  font-family: var(--body);
  font-weight: 400;
  font-size: 15px;
  line-height: 24px;
  color: var(--graphite);
  margin: 0;
}
.body-muted {
  font-family: var(--body);
  font-weight: 400;
  font-size: 17px;
  line-height: 28px;
  color: var(--muted);
  margin: 0;
}
.body-muted-sm {
  font-family: var(--body);
  font-weight: 400;
  font-size: 16px;
  line-height: 26px;
  color: var(--muted);
  margin: 0;
}

/* ---------- landing: hero ---------- */
.hero {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding: 120px var(--page-pad) 80px;
}
.hero-headline { max-width: 1240px; }
.hero-headline .row {
  display: flex;
  align-items: baseline;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 80px;
  padding-top: 32px;
  flex-wrap: wrap;
}
.hero-footer .lede { max-width: 520px; }

/* ---------- landing: showcase ---------- */
.showcase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: 40px var(--page-pad) 160px;
}
.showcase-caption {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: 100%;
  padding: 0 8px;
  gap: 40px;
}
.showcase-caption .pull {
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  line-height: 30px;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 480px;
  text-align: right;
  margin: 0;
}
.showcase img {
  width: 100%;
  max-width: 1180px;
  border-radius: 20px;
  box-shadow:
    0 40px 80px rgba(11, 11, 15, 0.18),
    0 0 0 1px rgba(11, 11, 15, 0.06);
}

/* ---------- landing: three-up ---------- */
.three-up {
  display: flex;
  flex-direction: column;
  gap: 80px;
  padding: 80px var(--page-pad);
  border-top: 1px solid var(--rule);
}
.three-up-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 80px;
  flex-wrap: wrap;
}
.three-up-header .display-m { max-width: 720px; }
.three-up-header .aside { max-width: 380px; }
.three-up-grid {
  display: flex;
  gap: 32px;
  align-items: stretch;
}
.three-up-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 36px 32px;
}
.three-up-col:first-child { padding-left: 0; border-right: 1px solid var(--rule); }
.three-up-col:last-child { padding-right: 0; }
.three-up-col:nth-child(2) { border-right: 1px solid var(--rule); }
.col-number {
  font-family: var(--display);
  font-weight: 500;
  font-size: 56px;
  line-height: 56px;
  letter-spacing: -0.04em;
  color: var(--cobalt);
}
.col-demo {
  margin-top: auto;
  margin-bottom: auto;
}
.demo-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--tint);
}
.demo-chip .arrow { color: var(--muted); font-weight: 500; font-size: 14px; }
.demo-chip .text { color: var(--ink); font-weight: 500; font-size: 14px; }
.demo-sketch {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 86px;
  border-radius: 12px;
  background: var(--tint);
}

/* ---------- radial picker ---------- */
.radial-picker {
  position: relative;
  width: 240px;
  height: 240px;
  margin: 0 auto;
}
.rp-disc {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #E8EAEE;
  border: 1px solid rgba(11, 11, 15, 0.06);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 12px 24px rgba(11, 11, 15, 0.08);
}
.rp-center {
  position: absolute;
  left: 70px; top: 70px;
  width: 100px; height: 100px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding-top: 6px;
  overflow: hidden;
}
.rp-slot {
  position: absolute;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}
.rp-slot.s0 { left: 105px; top: 15px; }
.rp-slot.s1 { left: 175px; top: 49px; }
.rp-slot.s2 { left: 193px; top: 125px; }
.rp-slot.s3 { left: 144px; top: 186px; }
.rp-slot.s4 { left: 66px;  top: 186px; }
.rp-slot.s5 { left: 17px;  top: 125px; }
.rp-slot.s6 { left: 35px;  top: 49px; }
.rp-slot.selected::before {
  content: "";
  position: absolute;
  left: -10px; top: -10px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: rgba(27, 60, 255, 0.55);
  filter: blur(10px);
  z-index: -1;
}
.rp-slot.selected::after {
  content: "";
  position: absolute;
  left: -3px; top: -3px;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--cobalt);
}

/* ---------- landing: closer ---------- */
.closer {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 56px;
  padding: 160px var(--page-pad) 120px;
}
.closer .display-l { max-width: 1100px; }
.closer .lede { max-width: 560px; }

/* ---------- inner page header ---------- */
.page-header {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding: 120px var(--page-pad) 80px;
}
.page-header .display-xl-row {
  display: flex;
  align-items: baseline;
  gap: 28px;
  flex-wrap: wrap;
}
.page-header .lede { max-width: 620px; }

/* ---------- inner page: feature section ---------- */
.feature-section {
  display: flex;
  gap: 80px;
  padding: 80px var(--page-pad);
}
.feature-section + .feature-section { padding-top: 80px; }
.feature-section.first { border-top: 1px solid var(--rule); }
.feature-section .left {
  flex: 0 0 480px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.feature-section .right {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.feature-row {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
}
.feature-row:last-child { border-bottom: 1px solid var(--rule); }
.feature-row .letter {
  flex: 0 0 56px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 28px;
  line-height: 34px;
  letter-spacing: -0.02em;
  color: var(--cobalt);
}
.feature-row .content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ---------- inner page: cta band ---------- */
.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 80px var(--page-pad) 120px;
  border-top: 1px solid var(--rule);
  flex-wrap: wrap;
}

/* ---------- system requirements: device cards ---------- */
.device-cards {
  display: flex;
  gap: 32px;
  padding: 0 var(--page-pad) 80px;
}
.device-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 40px;
  border: 1px solid var(--rule);
  border-radius: 20px;
}
.device-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
}
.spec-row:last-child { border-bottom: 1px solid var(--rule); }
.spec-row .label {
  font-family: var(--body);
  font-weight: 500;
  font-size: 14px;
  color: var(--muted);
}
.spec-row .value {
  font-family: var(--display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* shared bits */
.shared-bits {
  display: flex;
  gap: 80px;
  padding: 80px var(--page-pad);
  border-top: 1px solid var(--rule);
}
.shared-bits .left {
  flex: 0 0 480px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.shared-bits .right { flex: 1; display: flex; flex-direction: column; }
.shared-bits .spec-row { padding: 22px 0; }
.shared-bits .spec-row .value { text-align: right; }

.release-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 60px var(--page-pad) 120px;
  border-top: 1px solid var(--rule);
  flex-wrap: wrap;
}
.release-info { display: flex; flex-direction: column; gap: 8px; }
.release-info .release-label {
  font-family: var(--body);
  font-weight: 500;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.release-info .release-value {
  font-family: var(--display);
  font-weight: 500;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* ---------- privacy policy ---------- */
.policy-body {
  max-width: 720px;
  padding: 0 var(--page-pad) 80px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}
.policy-section { display: flex; flex-direction: column; gap: 16px; }
.policy-section .body + .body { margin-top: 8px; }
.policy-list {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--body);
  font-weight: 400;
  font-size: 16px;
  line-height: 26px;
  color: var(--graphite);
}
.policy-list li { padding-left: 4px; }
.policy-link {
  color: var(--cobalt);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.policy-link:hover { text-decoration-thickness: 2px; }
.faq-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}
.faq-item:last-child { border-bottom: 1px solid var(--rule); }

/* ---------- footer ---------- */
.site-footer {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 48px var(--page-pad) 40px;
  border-top: 1px solid var(--rule);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 80px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; gap: 20px; max-width: 340px; }
.footer-brand .brand-mark { width: 24px; height: 24px; }
.footer-brand .brand-mark img { width: 24px; height: 24px; }
.footer-brand .brand-name { font-size: 16px; }
.footer-brand p {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: var(--muted);
}
.footer-cols { display: flex; gap: 96px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 14px; }
.footer-col-header {
  font-family: var(--body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}
.footer-col a {
  font-size: 14px;
  color: var(--graphite);
}
.footer-col a:hover { color: var(--cobalt); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
  color: var(--muted);
  gap: 24px;
  flex-wrap: wrap;
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  :root { --page-pad: 40px; }
  .display-xl { font-size: 96px; line-height: 92px; }
  .display-l { font-size: 80px; line-height: 76px; }
  .display-m { font-size: 48px; line-height: 52px; }
  .h-section { font-size: 36px; line-height: 42px; }
  .feature-section { flex-direction: column; gap: 32px; }
  .feature-section .left { flex-basis: auto; }
  .shared-bits { flex-direction: column; gap: 32px; }
  .shared-bits .left { flex-basis: auto; }
  .three-up-grid { flex-direction: column; gap: 0; }
  .three-up-col,
  .three-up-col:first-child,
  .three-up-col:nth-child(2),
  .three-up-col:last-child {
    border-right: none;
    border-bottom: 1px solid var(--rule);
    padding: 36px 0;
  }
  .three-up-col:last-child { border-bottom: none; }
  .col-demo { margin-top: 0; margin-bottom: 0; }
  .device-cards { flex-direction: column; padding-bottom: 32px; }
}
@media (max-width: 640px) {
  :root { --page-pad: 24px; }
  .display-xl { font-size: 64px; line-height: 60px; gap: 12px; }
  .display-xl .row { gap: 12px; }
  .display-l { font-size: 56px; line-height: 56px; }
  .display-m { font-size: 36px; line-height: 40px; }
  .h-section { font-size: 30px; line-height: 36px; }
  .h-cta { font-size: 26px; line-height: 32px; }
  .hero { padding-top: 64px; padding-bottom: 48px; }
  .hero-headline .row { gap: 12px; }
  .closer { padding: 96px var(--page-pad) 80px; }
  .page-header { padding: 64px var(--page-pad) 48px; }
  .page-header .display-xl-row { gap: 12px; }
  .showcase-caption .pull { text-align: left; max-width: 100%; }
  .lede { font-size: 17px; line-height: 26px; }
  .cta-band, .release-band { flex-direction: column; align-items: flex-start; }
  .footer-top { flex-direction: column; }
  .footer-cols { gap: 40px; }
  .site-nav { padding: 20px var(--page-pad); gap: 16px; }
  .site-nav > .btn-cobalt { display: none; }
  .nav-links { gap: 20px; }
}