:root {
  --background: #FAFAF8;
  --surface: #FFFFFF;
  --surface-soft: #F5F5F3;
  --text: #1A1A1A;
  --text-secondary: #5F6765;
  --text-tertiary: #8B908E;
  --border: #E8E8E6;
  --primary: #01A89E;
  --primary-deep: #027C75;
  --primary-muted: #E6F7F6;
  --dark-band: #101817;
  --brand-mark-size: 44px;
  --brand-name-size: 34px;
  --brand-mark-size-mobile: 36px;
  --brand-name-size-mobile: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 32px;
  justify-content: space-between;
  min-height: 92px;
  padding: 20px 48px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  width: var(--brand-mark-size);
  height: var(--brand-mark-size);
}

.brand-name {
  font-size: var(--brand-name-size);
  font-weight: 850;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
  color: var(--text-secondary);
  font-size: 18px;
  font-weight: 520;
}

.site-nav a,
.nav-download,
.app-store-button {
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.site-nav a:hover {
  color: var(--text);
}

.nav-download {
  flex: 0 0 auto;
  padding: 15px 22px;
  border-radius: 8px;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 760;
}

.nav-download:hover,
.app-store-button:hover {
  transform: translateY(-1px);
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(520px, 1.05fr);
  align-items: center;
  gap: 54px;
  min-height: calc(100vh - 170px);
  padding: 54px 48px 36px;
  border-bottom: 1px solid var(--border);
}

.hero-copy {
  max-width: 620px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  margin: 0 0 24px;
  border-radius: 999px;
  background: var(--primary-muted);
  color: var(--primary-deep);
  font-weight: 780;
}

.eyebrow {
  padding: 12px 18px;
  font-size: 20px;
}

.section-kicker {
  padding: 9px 13px;
  font-size: 14px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 590px;
  margin-bottom: 24px;
  font-size: 72px;
  line-height: 1.04;
  font-weight: 880;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: 44px;
  line-height: 1.12;
  font-weight: 850;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 780;
  letter-spacing: 0;
}

.hero-intro {
  max-width: 580px;
  margin-bottom: 34px;
  color: var(--text-secondary);
  font-size: 26px;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.app-store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  max-width: 350px;
  padding: 16px 28px;
  border-radius: 8px;
  background: #111111;
  color: #FFFFFF;
  font-size: 22px;
  font-weight: 820;
  line-height: 1.2;
  text-align: center;
}

.support-note {
  max-width: 90px;
  color: var(--text-tertiary);
  font-size: 20px;
  line-height: 1.3;
}

.hero-media {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(200px, 290px);
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.phone-frame {
  overflow: hidden;
  border: 17px solid #111111;
  border-radius: 54px;
  background: #FFFFFF;
  box-shadow: 0 28px 70px rgba(1, 40, 37, 0.18);
}

.phone-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.hero-phone {
  aspect-ratio: 390 / 844;
}

.feature-phone {
  width: min(310px, 100%);
  aspect-ratio: 390 / 844;
  justify-self: center;
}

.proof-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.proof-card,
.step-card,
.feature-list article,
.trust-grid article {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.proof-card {
  min-height: 150px;
  padding: 28px;
}

.proof-card span {
  display: block;
  margin-bottom: 14px;
  color: var(--text-tertiary);
  font-size: 19px;
  font-weight: 820;
  text-transform: uppercase;
}

.proof-card strong {
  display: block;
  color: var(--text);
  font-size: 32px;
  line-height: 1.1;
}

.proof-card em {
  display: block;
  margin-top: 14px;
  color: var(--primary);
  font-size: 25px;
  font-style: normal;
}

.steps-section {
  padding: 40px 48px 76px;
}

.trust-section {
  padding: 76px 48px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.feature-copy h2,
.final-cta h2 {
  max-width: 760px;
}

.steps-grid,
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.step-card,
.trust-grid article {
  padding: 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--primary-muted);
  color: var(--primary-deep);
  font-weight: 820;
}

.step-card p,
.feature-list p,
.trust-grid p,
.feature-copy > p {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.55;
}

.feature-proof {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 56px;
  align-items: center;
  padding: 82px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.feature-copy {
  max-width: 780px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.feature-list article {
  padding: 22px;
  background: var(--surface-soft);
}

.trust-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 76px 48px;
  background: var(--dark-band);
  color: #FFFFFF;
}

.final-cta .section-kicker {
  background: rgba(1, 168, 158, 0.18);
  color: #7CE7DF;
}

.app-store-button-light {
  flex: 0 0 auto;
  background: var(--primary);
}

@media (max-width: 1120px) {
  .site-nav {
    gap: 22px;
    font-size: 16px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero-media {
    justify-content: start;
  }

  .steps-grid,
  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    min-height: 78px;
    padding: 16px 20px;
    gap: 18px;
  }

  .brand-mark {
    width: var(--brand-mark-size-mobile);
    height: var(--brand-mark-size-mobile);
  }

  .brand-name {
    font-size: var(--brand-name-size-mobile);
  }

  .site-nav {
    display: none;
  }

  .nav-download {
    padding: 12px 15px;
    font-size: 15px;
  }

  .hero,
  .steps-section,
  .feature-proof,
  .trust-section,
  .final-cta {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    gap: 38px;
    min-height: calc(100vh - 120px);
    padding-top: 36px;
    padding-bottom: 130px;
  }

  .eyebrow {
    margin-bottom: 22px;
    padding: 10px 14px;
    font-size: 16px;
  }

  h1 {
    font-size: 48px;
    line-height: 1.05;
  }

  h2 {
    font-size: 34px;
  }

  .hero-intro {
    font-size: 20px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    max-width: 250px;
  }

  .support-note {
    display: none;
  }

  .hero-media {
    position: absolute;
    right: -18px;
    bottom: 22px;
    display: block;
    width: 128px;
  }

  .proof-stack {
    display: none;
  }

  .phone-frame {
    border-width: 8px;
    border-radius: 30px;
  }

  .hero-phone {
    width: 128px;
  }

  .steps-grid,
  .feature-list,
  .trust-grid,
  .feature-proof {
    grid-template-columns: 1fr;
  }

  .steps-section {
    padding-top: 24px;
  }

  .feature-proof {
    gap: 38px;
  }

  .final-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-store-button {
    width: 100%;
    max-width: 360px;
    min-height: 58px;
    font-size: 19px;
  }
}

@media (max-width: 420px) {
  .site-header {
    gap: 12px;
  }

  .brand-lockup {
    gap: 8px;
  }

  .nav-download {
    padding: 11px 12px;
    font-size: 14px;
  }

  h1 {
    font-size: 42px;
  }
}
