/* Stack landing. Light mode only. Two weights: 400 and 600. */

:root {
  color-scheme: light;
  --cream: #f6f3ec;
  --cream-deep: #efe9dc;
  --ink: #0b1d3a;
  --ink-soft: rgba(11, 29, 58, 0.72);
  --ink-faint: rgba(11, 29, 58, 0.5);
  --line: rgba(11, 29, 58, 0.08);
  --card: #ffffff;
  --action: #0066cc;
  --action-pressed: #004f9e;
  --action-soft: #e8f1fb;
  --app-bg: #f2f2f7;
  --app-card: #ffffff;
  --app-text: #1c1c1e;
  --app-muted: #636366;
  --app-line: #c6c6c8;
  --app-pill: #e5e5ea;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 1px 2px rgba(11, 29, 58, 0.04), 0 12px 40px rgba(11, 29, 58, 0.08);
  --shadow-phone: 0 24px 80px rgba(11, 29, 58, 0.18);
  --font: ui-rounded, 'SF Pro Rounded', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;
  --space-9: 112px;
  --max: 1080px;
  --measure: 36rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
  background:
    radial-gradient(90% 50% at 80% -10%, rgba(0, 102, 204, 0.07), transparent 55%),
    radial-gradient(70% 40% at 10% 0%, rgba(246, 243, 236, 1), transparent 60%),
    var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--action);
}

strong {
  font-weight: 600;
}

button,
input {
  font: inherit;
}

.wrap {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding-inline: 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(1.2) blur(14px);
  background: rgba(246, 243, 236, 0.82);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: block;
  flex-shrink: 0;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.footer-brand strong {
  display: block;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--cream);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: transform 160ms ease, background 160ms ease;
}

.nav-cta:hover {
  color: var(--cream);
  background: #162846;
}

.nav-cta:active {
  transform: scale(0.98);
}

.hero {
  padding: var(--space-8) 0 var(--space-7);
}

.hero-grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

@media (min-width: 920px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    gap: var(--space-8);
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 var(--space-4);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--cream-deep);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--action);
}

.hero h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  font-weight: 600;
}

.hero-lead {
  margin: var(--space-5) 0 0;
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.55;
  letter-spacing: -0.015em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.015em;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.btn:active {
  transform: scale(0.985);
}

.btn-primary {
  background: var(--action);
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.22);
}

.btn-primary:hover {
  background: var(--action-pressed);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.55);
}

.hero-note {
  margin: var(--space-4) 0 0;
  color: var(--ink-faint);
  font-size: 13px;
}

.phone-stage {
  display: flex;
  justify-content: center;
  perspective: 1200px;
}

.phone {
  width: min(100%, 292px);
  aspect-ratio: 9 / 19.2;
  border-radius: 42px;
  padding: 12px;
  background: linear-gradient(160deg, #2a2a2e, #111114 55%, #1c1c1e);
  box-shadow: var(--shadow-phone);
  position: relative;
}

.phone::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.phone-notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 24px;
  border-radius: 20px;
  background: #000;
  z-index: 2;
}

.phone-screen {
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: var(--app-bg);
  color: var(--app-text);
  display: flex;
  flex-direction: column;
}

.app-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px 0;
  font-size: 12px;
  font-weight: 600;
}

.app-body {
  flex: 1;
  overflow: hidden;
  padding: 10px 14px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.app-title {
  margin: 0;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 600;
}

.app-sub {
  margin: 2px 0 0;
  color: var(--app-muted);
  font-size: 12px;
}

.app-card {
  background: var(--app-card);
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.app-label {
  margin: 0;
  color: var(--app-muted);
  font-size: 11px;
}

.app-spend {
  margin: 4px 0 0;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 600;
  color: var(--ink);
}

.app-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px;
}

.app-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  background: var(--app-pill);
  color: var(--app-muted);
  font-size: 11px;
  font-weight: 600;
}

.app-link {
  color: var(--action);
  font-size: 12px;
  font-weight: 600;
}

.app-score {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(198, 198, 200, 0.55);
}

.score-ring {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, #fff 58%, transparent 59%),
    conic-gradient(#3a3a3c 0 78%, #e5e5ea 78% 100%);
  font-size: 13px;
  font-weight: 600;
}

.score-copy strong {
  display: block;
  font-size: 13px;
  letter-spacing: -0.01em;
}

.score-copy span {
  color: var(--app-muted);
  font-size: 11px;
}

.app-product {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  background: var(--app-card);
  border-radius: 12px;
}


.app-product strong {
  display: block;
  font-size: 14px;
  letter-spacing: -0.015em;
}

.app-product span {
  color: var(--app-muted);
  font-size: 11px;
}

.app-product em {
  font-style: normal;
  font-size: 13px;
  font-weight: 600;
  color: var(--app-muted);
}

.app-tabs {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  padding: 8px 6px 12px;
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid rgba(198, 198, 200, 0.5);
  font-size: 9px;
  color: var(--app-muted);
  text-align: center;
}

.app-tabs strong {
  display: block;
  color: var(--action);
  font-size: 9px;
}

.section {
  padding: var(--space-8) 0;
}

.section-head {
  max-width: 36rem;
  margin-bottom: var(--space-6);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
  font-weight: 600;
}

.section-head p {
  margin: var(--space-3) 0 0;
  color: var(--ink-soft);
  max-width: var(--measure);
}

.steps {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 800px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  background: linear-gradient(180deg, #ffffff, #fbfaf7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-5);
  min-height: 100%;
  box-shadow: var(--shadow);
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-bottom: var(--space-4);
  border-radius: 9px;
  background: var(--ink);
  color: var(--cream);
  font-size: 13px;
  font-weight: 600;
}

.step h3 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.step p {
  margin: var(--space-2) 0 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.features {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 800px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature {
  padding: var(--space-5);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #fbfaf7);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(11, 29, 58, 0.03);
}

.feature h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.feature p {
  margin: var(--space-2) 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 34rem;
}

.waitlist {
  padding: var(--space-8) 0;
}

.waitlist-card {
  display: grid;
  gap: var(--space-6);
  padding: clamp(28px, 5vw, 48px);
  border-radius: 28px;
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(0, 102, 204, 0.08), transparent 55%),
    linear-gradient(180deg, #fff, #fbfaf6);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

@media (min-width: 880px) {
  .waitlist-card {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: end;
  }
}

.waitlist-card h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
  font-weight: 600;
}

.waitlist-card > div > p {
  margin: var(--space-3) 0 0;
  color: var(--ink-soft);
  max-width: 30rem;
}

.form {
  display: grid;
  gap: var(--space-3);
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.field input {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid rgba(11, 29, 58, 0.14);
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input:focus {
  border-color: rgba(0, 102, 204, 0.55);
  box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.14);
}

.hp {
  position: absolute;
  left: -10000px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.form-status {
  min-height: 1.3em;
  font-size: 14px;
  color: var(--ink-soft);
}

.form-status[data-tone='ok'] {
  color: #1f7a34;
  font-weight: 600;
}

.form-status[data-tone='err'] {
  color: #b42318;
}

.faq {
  display: grid;
  gap: var(--space-3);
  max-width: 720px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #ffffff, #fbfaf7);
  box-shadow: 0 1px 2px rgba(11, 29, 58, 0.03);
  padding: 4px 18px;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  min-height: 52px;
  display: flex;
  align-items: center;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 15px;
}

.site-footer {
  padding: var(--space-7) 0 var(--space-8);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: flex-start;
}

.footer-grid p {
  margin: 6px 0 0;
  max-width: 34rem;
  color: var(--ink-faint);
  font-size: 13px;
}

.disclaimer {
  margin-top: var(--space-5);
  color: var(--ink-faint);
  font-size: 12px;
  max-width: 42rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

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

  .btn,
  .nav-cta,
  .field input {
    transition: none;
  }
}


.app-example {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  margin-bottom: 8px;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  background: var(--app-pill);
  color: var(--app-muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.app-status-icons {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 10px;
}

.app-status-icons i {
  display: block;
  width: 3px;
  border-radius: 1px;
  background: var(--app-text);
}

.app-status-icons i:nth-child(1) { height: 4px; }
.app-status-icons i:nth-child(2) { height: 7px; }
.app-status-icons i:nth-child(3) { height: 10px; width: 14px; border-radius: 2px; position: relative; }
.app-status-icons i:nth-child(3)::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 1px;
  background: var(--app-text);
  opacity: 0.35;
}

.app-list {
  background: var(--app-card);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.app-list .app-product {
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  border-top: 1px solid rgba(198, 198, 200, 0.45);
}

.app-list .app-product:first-child {
  border-top: 0;
}

@media (max-width: 919px) {
  .phone {
    width: min(100%, 270px);
    margin-top: 8px;
  }

  .form-actions .btn {
    width: 100%;
  }
}

.feature {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

@media (hover: hover) {
  .feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
  }
}

@media (prefers-reduced-motion: reduce) {
  .feature {
    transition: none;
  }
  .feature:hover {
    transform: none;
  }
}


.impact-section {
  position: relative;
}

.impact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 60% at 15% 20%, rgba(0, 102, 204, 0.06), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 40%, rgba(239, 233, 220, 0.45));
  pointer-events: none;
  border-radius: 0;
}

.impact-grid {
  position: relative;
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

@media (min-width: 920px) {
  .impact-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.9fr);
    gap: var(--space-8);
  }
}

.impact-copy h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4.2vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
  font-weight: 600;
}

.impact-copy > p {
  margin: var(--space-4) 0 0;
  color: var(--ink-soft);
  max-width: 36rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.impact-points {
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
  max-width: 36rem;
}

.impact-points li {
  position: relative;
  padding: 14px 16px 14px 42px;
  border-radius: 14px;
  background: linear-gradient(180deg, #ffffff, #fbfaf7);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(11, 29, 58, 0.03);
  color: var(--ink-soft);
  font-size: 15px;
}

.impact-points li::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--action);
}

.app-title-sm {
  font-size: 22px;
}

.app-assoc {
  display: inline-flex;
  margin-top: 8px;
  min-height: 22px;
  padding: 0 10px;
  align-items: center;
  border-radius: var(--radius-pill);
  background: var(--action-soft);
  color: var(--action);
  font-size: 10px;
  font-weight: 600;
}

.impact-hero {
  padding: 4px 2px 2px;
}

.impact-metric-label {
  margin: 0;
  color: #5856d6;
  font-size: 11px;
  font-weight: 600;
}

.impact-hours {
  margin: 2px 0 0;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 600;
}

.impact-hours .hours {
  color: var(--ink);
}

.impact-hours .mins {
  color: var(--app-muted);
  margin-left: 4px;
}

.impact-delta {
  margin: 6px 0 0;
  color: var(--app-muted);
  font-size: 12px;
  font-weight: 600;
}

.impact-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.impact-stat {
  background: var(--app-card);
  border-radius: 12px;
  padding: 10px 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.impact-stat strong {
  display: block;
  margin-top: 2px;
  font-size: 18px;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.impact-stat span:last-child {
  color: var(--app-muted);
  font-size: 11px;
  font-weight: 600;
}

.impact-chart-card {
  padding-bottom: 10px;
}

.impact-chart {
  display: grid;
  grid-template-columns: 1fr 8px 1fr;
  align-items: end;
  gap: 4px;
  height: 72px;
  margin-top: 8px;
}

.chart-col {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 2px;
  height: 100%;
}

.chart-col span {
  display: block;
  height: var(--h);
  border-radius: 2px 2px 0 0;
  background: #c6c6c8;
}

.chart-col.after span {
  background: #5856d6;
  opacity: 0.85;
}

.chart-divider {
  width: 1px;
  height: 100%;
  background: rgba(198, 198, 200, 0.8);
  justify-self: center;
}

.chart-legend {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  color: var(--app-muted);
  font-size: 10px;
  font-weight: 600;
}

.impact-note {
  margin: 0;
  color: var(--app-text);
  font-size: 11px;
  line-height: 1.4;
}

.app-body-impact {
  gap: 8px;
  padding-bottom: 4px;
}

.features-5 {
  grid-template-columns: 1fr;
}

@media (min-width: 800px) {
  .features-5 {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-5 .feature-wide {
    grid-column: 1 / -1;
  }
}

.section#how,
.section#features,
.section#faq {
  position: relative;
}

.section#how::before,
.section#features::before {
  content: '';
  position: absolute;
  inset: 12% 0 auto;
  height: 55%;
  background: radial-gradient(60% 80% at 50% 0%, rgba(255, 255, 255, 0.7), transparent 70%);
  pointer-events: none;
}


.phone-shot {
  padding: 10px;
  background: linear-gradient(160deg, #2a2a2e, #111114 55%, #1c1c1e);
  overflow: hidden;
}

.phone-shot-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 34px;
}

.phone.phone-shot::before {
  border-radius: 42px;
}