/* ===== Keel — design tokens ===== */
:root {
  --ink: #131313;
  --ink-soft: #6b6b6b;
  --paper: #ffffff;
  --paper-dim: #e8e6e5;
  --line: rgba(0, 0, 0, 0.08);
  --gray: #9a9a9a;

  --font-display: "Clash Display", "Helvetica Neue", Arial, sans-serif;
  --font-body: "General Sans", "Helvetica Neue", Arial, sans-serif;

  --max-w: 1360px;
  --pad: clamp(24px, 6vw, 80px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-top: 108px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper-dim);
  padding: 6px 12px;
  border-radius: 100px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 100px;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  opacity: 0.88;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-store {
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  padding: 11px 20px;
}

.download-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.download-note {
  font-size: 13px;
  color: var(--gray);
  margin-top: 10px;
}

/* ===== Nav (floating liquid-glass pill) ===== */
.nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: calc(100% - 40px);
  max-width: 1040px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow:
    0 1px 1px rgba(22, 22, 22, 0.04),
    0 12px 32px -8px rgba(22, 22, 22, 0.16);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: none;
  padding: 0 10px 0 22px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
}

.nav-logo img {
  height: 26px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a:not(.btn) {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
}

.nav-links a:not(.btn):hover {
  color: var(--ink);
}

@media (max-width: 760px) {
  .nav-links a:not(.btn) {
    display: none;
  }
}

/* ===== Hero ===== */
.hero {
  padding: 24px 0 0;
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  align-items: center;
  gap: 64px;
}

.hero-copy .eyebrow {
  margin-bottom: 24px;
}

.hero-copy h1 {
  font-size: clamp(46px, 7vw, 80px);
  margin-bottom: 24px;
  max-width: 720px;
}

.hero-copy p.lede {
  font-size: 20px;
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-copy p.lede {
    margin-left: auto;
    margin-right: auto;
  }
  .download-row {
    justify-content: center;
  }
  .hero-visual {
    margin-top: 24px;
  }
}

/* ===== Device screenshot (finished, pre-framed images — no CSS frame) ===== */
.device-shot {
  display: block;
  width: 280px;
  height: auto;
}

.device-shot.lg {
  width: 320px;
}

/* ===== Section shells ===== */
section {
  padding: 110px 0;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head .eyebrow {
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(30px, 4vw, 44px);
  margin-bottom: 16px;
}

.section-head p {
  color: var(--ink-soft);
  font-size: 18px;
}

/* ===== Rings section ===== */
.rings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.ring-card {
  background: var(--paper-dim);
  border-radius: 28px;
  padding: 48px 32px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.ring-card .device-shot {
  width: 230px;
  margin-bottom: 32px;
}

.ring-card h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.ring-card p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
  max-width: 280px;
}

@media (max-width: 900px) {
  .rings-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ===== Insight section ===== */
.insight {
  background: var(--ink);
  color: var(--paper);
  border-radius: 32px;
  margin: 0 var(--pad);
  padding: 90px var(--pad);
}

.insight .wrap {
  padding: 0;
  max-width: 980px;
}

.insight .section-head p {
  color: rgba(250, 249, 245, 0.7);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.insight-card {
  background: rgba(250, 249, 245, 0.06);
  border: 1px solid rgba(250, 249, 245, 0.12);
  border-radius: 20px;
  padding: 28px 24px;
}

.insight-card .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(250, 249, 245, 0.85);
  margin-bottom: 14px;
}

.insight-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.insight-card p {
  color: rgba(250, 249, 245, 0.65);
  font-size: 15px;
  line-height: 1.55;
}

@media (max-width: 800px) {
  .insight {
    margin: 0 16px;
    padding: 56px 24px;
    border-radius: 24px;
  }
  .insight-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Showcase (Phase 1: stacked) ===== */
.showcase-steps {
  display: flex;
  flex-direction: column;
  gap: 100px;
}

.feature-step {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-step:nth-child(even) .feature-step-visual {
  order: 2;
}

.feature-step-copy .step-index {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  color: var(--paper);
  background: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  margin-bottom: 18px;
}

.feature-step-copy h3 {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 14px;
}

.feature-step-copy p {
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 420px;
}

.feature-step-visual {
  display: flex;
  justify-content: center;
}

@media (max-width: 900px) {
  .feature-step,
  .feature-step:nth-child(even) {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .feature-step:nth-child(even) .feature-step-visual {
    order: 0;
  }
  .feature-step-copy p {
    margin: 0 auto;
  }
  .showcase-steps {
    gap: 64px;
  }
}

/* ===== Sticky showcase (Phase 2 — desktop only) ===== */
.showcase-pinned {
  display: none;
}

@media (min-width: 901px) {
  body.has-sticky-showcase .showcase-steps {
    display: none;
  }
  body.has-sticky-showcase .showcase-pinned {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }
  .showcase-pinned .pinned-phone-col {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }
  .showcase-pinned .pinned-copy-col {
    display: flex;
    flex-direction: column;
  }
  .pinned-copy-block {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 24px;
    opacity: 0.3;
    transition: opacity 0.4s ease;
  }
  .pinned-copy-block.active {
    opacity: 1;
  }
  .pinned-copy-block .step-index {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 14px;
    color: var(--paper);
    background: var(--ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-bottom: 18px;
  }
  .pinned-copy-block h3 {
    font-size: clamp(24px, 3vw, 32px);
    margin-bottom: 14px;
  }
  .pinned-copy-block p {
    color: var(--ink-soft);
    font-size: 17px;
    max-width: 420px;
  }
  .pinned-shot-stack {
    position: relative;
    width: 280px;
    aspect-ratio: 450 / 920;
  }
  .pinned-shot {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.5s ease;
  }
  .pinned-shot.active {
    opacity: 1;
  }
}

/* ===== Privacy section ===== */
.privacy-section {
  background: var(--paper-dim);
  border-radius: 32px;
  margin: 0 var(--pad);
  padding: 90px var(--pad);
}

.privacy-section .wrap {
  padding: 0;
}

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.privacy-points {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.privacy-point {
  display: flex;
  gap: 16px;
}

.privacy-point .dot {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.privacy-point h4 {
  font-size: 18px;
  margin-bottom: 6px;
}

.privacy-point p {
  color: var(--ink-soft);
  font-size: 15px;
}

.privacy-visual {
  display: flex;
  justify-content: center;
}

@media (max-width: 900px) {
  .privacy-section {
    margin: 0 16px;
    padding: 56px 24px;
    border-radius: 24px;
  }
  .privacy-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .privacy-point {
    text-align: left;
  }
}

/* ===== Final CTA ===== */
.final-cta {
  text-align: center;
}

.final-cta h2 {
  font-size: clamp(34px, 5vw, 56px);
  margin-bottom: 18px;
}

.final-cta p {
  color: var(--ink-soft);
  font-size: 18px;
  margin-bottom: 36px;
}

.final-cta .download-row {
  justify-content: center;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--line);
  padding: 48px 0;
}

.footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
}

.footer-logo img {
  height: 20px;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--ink-soft);
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-meta {
  font-size: 13px;
  color: var(--gray);
  width: 100%;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

/* ===== Legal pages ===== */
.legal-page {
  padding: 64px 0 100px;
}

.legal-page .wrap {
  max-width: 760px;
}

.legal-page h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 8px;
}

.legal-updated {
  color: var(--gray);
  font-size: 14px;
  margin-bottom: 40px;
}

.legal-body h2 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 40px 0 14px;
}

.legal-body p,
.legal-body li {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.65;
}

.legal-body ul {
  padding-left: 20px;
  margin: 12px 0;
}

.legal-body li {
  margin-bottom: 8px;
}

.legal-body strong {
  color: var(--ink);
}

.legal-body a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-body a:hover {
  opacity: 0.7;
}

.legal-lead {
  font-size: 18px;
}

.legal-highlight {
  background: var(--paper-dim);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 28px 0;
}

.legal-highlight p {
  margin: 0;
  font-size: 15px;
}

.legal-footnote {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--gray);
  font-size: 14px;
}

.legal-body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}

.legal-coming-soon {
  text-align: center;
  padding: 80px 0;
}

.legal-coming-soon h1 {
  font-size: clamp(32px, 5vw, 44px);
  margin-bottom: 16px;
}

.legal-coming-soon p {
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 480px;
  margin: 0 auto;
}