:root {
  --bg-top: #f8fafc;
  --bg-bottom: #e5e7eb;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.88);
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #64748b;
  --shadow-lg: 0 24px 48px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 14px 28px rgba(15, 23, 42, 0.06);
  --radius-xl: 26px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --sans: 'Sora', 'Avenir Next', 'Nunito Sans', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.62;
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

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

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

a:focus-visible {
  outline: 3px solid rgba(148, 163, 184, 0.45);
  outline-offset: 4px;
}

p,
h1,
h2,
h3,
figure {
  margin: 0;
}

ul {
  margin: 0;
  padding-left: 1.2rem;
}

.page {
  position: relative;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  padding: 2rem 0 0;
}

.site-main {
  padding: 2.25rem 0 4rem;
}

.site-footer {
  padding: 0 0 3rem;
}

.nav-shell,
.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copy {
  display: grid;
  gap: 0.18rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 18px;
  background: rgba(226, 232, 240, 0.75);
}

.brand-mark img {
  width: 40px;
  height: 40px;
  border-radius: 14px;
}

.stack-lg {
  display: grid;
  gap: 3.25rem;
}

.stack-md {
  display: grid;
  gap: 1.25rem;
}

.surface-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface-soft);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

.section-card,
.feature-card,
.policy-card {
  padding: 1.5rem;
}

.hero {
  max-width: 820px;
}

.hero h1,
.section-intro h1 {
  max-width: 13ch;
  font-size: clamp(2.6rem, 5.8vw, 4.15rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.section-intro h2 {
  max-width: 15ch;
  font-size: clamp(1.95rem, 4vw, 2.65rem);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: -0.04em;
}

.lead,
.feature-copy p,
.step p,
.policy-card p,
.policy-card li {
  color: var(--text-soft);
  font-size: 1rem;
}

.lead {
  max-width: 43rem;
  font-size: clamp(1.04rem, 1.8vw, 1.14rem);
  line-height: 1.74;
}

.section-intro p:last-child,
.footer-shell,
.footer-links a {
  color: var(--text-soft);
  font-size: 0.96rem;
}

.section-intro p:last-child {
  max-width: 38rem;
  line-height: 1.68;
}

.eyebrow {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.6rem 1.2rem;
  border: 0;
  border-radius: 999px;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.button:focus,
.button:focus-visible {
  outline: none;
}

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

.button-primary {
  background: #0f172a;
  color: #ffffff;
}

.button[disabled] {
  cursor: wait;
  opacity: 0.75;
  transform: none;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.steps-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-title,
.feature-copy h3,
.policy-card h2,
.policy-card h3 {
  font-weight: 600;
  color: var(--text);
}

.step-title {
  font-size: 1rem;
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.feature-copy h3 {
  max-width: 12ch;
  font-size: clamp(1.35rem, 2.2vw, 1.78rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.section-intro {
  max-width: 720px;
  display: grid;
  gap: 0.8rem;
}

.waitlist-card {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: start;
}

.waitlist-copy {
  display: grid;
  gap: 0.75rem;
  max-width: 34rem;
}

.waitlist-copy h2 {
  max-width: 12ch;
  font-size: clamp(1.95rem, 4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.waitlist-form {
  display: grid;
  gap: 1.1rem;
}

.waitlist-form-shell {
  display: grid;
  gap: 1rem;
  padding: 1.2rem;
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.95));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.waitlist-contact-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.input-soft {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  min-height: 52px;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  font: inherit;
  box-shadow: inset 0 1px 1px rgba(148, 163, 184, 0.08);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.input-soft::placeholder {
  color: #94a3b8;
}

.input-soft:focus {
  border-color: #64748b;
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.12);
  outline: none;
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.waitlist-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.15rem;
}

.waitlist-note {
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.6;
  max-width: 22rem;
}

.waitlist-status {
  min-height: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: -0.15rem;
}

.waitlist-status[data-state='success'] {
  color: #166534;
}

.waitlist-status[data-state='error'] {
  color: #b91c1c;
}

.waitlist-status[data-state='loading'] {
  color: var(--text-muted);
}

.feature-card {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
}

.feature-card-reverse {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.feature-card-reverse .feature-copy {
  order: 2;
}

.feature-card-reverse .device-pair,
.feature-card-reverse .device-single {
  order: 1;
}

.feature-copy {
  display: grid;
  gap: 0.75rem;
}

.device-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 224px));
  align-items: flex-end;
  justify-content: center;
  gap: 1rem;
}

.device-single {
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-frame {
  overflow: hidden;
  border-radius: 1.9rem;
  background: transparent;
  box-shadow: none;
}

.device-frame img {
  width: 100%;
  height: auto;
  transform: scale(1.012);
  transform-origin: center;
  filter: drop-shadow(0 18px 28px rgba(15, 23, 42, 0.12));
}

.phone-frame {
  width: 224px;
}

.tablet-frame {
  width: min(600px, 100%);
}

.offset-frame {
  transform: translateY(1rem);
}

.trio-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trio-item {
  display: grid;
  gap: 0.9rem;
}

.trio-frame {
  width: min(224px, 100%);
  margin: 0 auto;
}

.trio-item figcaption {
  color: var(--text-soft);
  font-size: 0.94rem;
  line-height: 1.58;
}

.policy-card {
  display: grid;
  gap: 1rem;
}

.policy-card h2 {
  margin-top: 0.8rem;
  font-size: 1.42rem;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.policy-card h3 {
  margin-top: 0.5rem;
  font-size: 1.02rem;
  line-height: 1.2;
}

.policy-card a,
.footer-links a {
  text-decoration: underline;
  text-decoration-color: rgba(148, 163, 184, 0.5);
}

@media (max-width: 900px) {
  .steps-grid,
  .trio-grid,
  .waitlist-card,
  .waitlist-contact-grid,
  .feature-card,
  .feature-card-reverse {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-card-reverse .feature-copy,
  .feature-card-reverse .device-pair,
  .feature-card-reverse .device-single {
    order: initial;
  }

  .device-pair {
    grid-template-columns: repeat(2, minmax(0, 224px));
  }
}

@media (max-width: 720px) {
  .nav-shell,
  .footer-shell {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-main {
    padding-top: 1.75rem;
  }

  .stack-lg {
    gap: 2.5rem;
  }

  .offset-frame {
    transform: none;
  }

  .device-pair {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
  }

  .phone-frame {
    width: min(224px, 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}