:root {
  color-scheme: light;
  --bg: #f5f8fb;
  --surface: #ffffff;
  --surface-muted: #edf5f8;
  --text: #17212b;
  --muted: #607080;
  --line: #d9e5eb;
  --blue: #2d9fdb;
  --blue-dark: #167eb5;
  --teal: #35c6b5;
  --orange: #ff7852;
  --shadow: 0 22px 60px rgba(29, 61, 80, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(circle at 88% 8%, rgba(45, 159, 219, 0.16), transparent 30rem),
    linear-gradient(180deg, #fafdff 0%, var(--bg) 42%, #eef6f7 100%);
  color: var(--text);
  line-height: 1.7;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(250, 253, 255, 0.86);
  border-bottom: 1px solid rgba(217, 229, 235, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

nav a:hover,
.legal-links a:hover,
.mail-link:hover {
  color: var(--blue-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: clamp(34px, 7vw, 86px);
  min-height: calc(100vh - 67px);
  padding: clamp(56px, 8vw, 104px) clamp(20px, 6vw, 96px) 44px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 8px;
  font-size: clamp(40px, 7vw, 84px);
  line-height: 1.05;
  letter-spacing: 0;
}

.lead {
  margin-bottom: 18px;
  color: #23495d;
  font-size: clamp(25px, 3.5vw, 42px);
  font-weight: 800;
  line-height: 1.22;
}

.intro {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 19px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  background: var(--text);
  color: #fff;
  box-shadow: 0 14px 30px rgba(23, 33, 43, 0.18);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--line);
  color: #23495d;
}

.phone-wrap {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(100%, 358px);
  aspect-ratio: 0.49;
  padding: 14px;
  border: 1px solid rgba(23, 33, 43, 0.12);
  border-radius: 44px;
  background: #101820;
  box-shadow: var(--shadow);
}

.phone-status {
  display: flex;
  justify-content: space-between;
  padding: 8px 18px 11px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 700;
}

.app-screen {
  height: calc(100% - 40px);
  padding: 30px 22px;
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(62, 190, 230, 0.86), rgba(237, 252, 254, 0.95) 54%, #fff 100%);
  text-align: center;
  overflow: hidden;
}

.app-icon {
  width: 82px;
  height: 82px;
  margin: 6px auto 24px;
  border-radius: 22px;
  box-shadow: 0 14px 28px rgba(45, 159, 219, 0.28);
}

.screen-label {
  margin-bottom: 4px;
  color: #2f708a;
  font-size: 13px;
  font-weight: 800;
}

.app-screen h2 {
  margin-bottom: 22px;
  font-size: 25px;
}

.timer-ring {
  display: grid;
  place-items: center;
  width: 178px;
  height: 178px;
  margin: 0 auto 22px;
  border: 14px solid rgba(255, 255, 255, 0.82);
  border-top-color: var(--orange);
  border-right-color: var(--teal);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.54);
}

.timer-ring span {
  color: #17364a;
  font-size: 38px;
  font-weight: 900;
}

.screen-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.screen-controls span,
.screen-button {
  min-height: 42px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: #255365;
  font-size: 13px;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.screen-button {
  background: var(--text);
  color: #fff;
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

.summary-band div {
  min-height: 112px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(217, 229, 235, 0.78);
}

.summary-band strong {
  display: block;
  margin-bottom: 4px;
  font-size: 24px;
}

.summary-band span {
  color: var(--muted);
  font-weight: 700;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(74px, 10vw, 118px) clamp(20px, 5vw, 48px) 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 30px;
}

.section-heading h2,
.download-section h2 {
  margin-bottom: 10px;
  font-size: clamp(31px, 5vw, 52px);
  line-height: 1.15;
  letter-spacing: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 280px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--surface-muted);
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 900;
}

.feature-card h3,
.flow-list h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.feature-card p,
.flow-list p,
.download-section p,
.contact-section p {
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.flow-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.flow-list span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  font-weight: 900;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.case-grid p {
  min-height: 120px;
  padding: 22px;
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
  color: #23495d;
  font-weight: 800;
}

.download-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: 1120px;
  margin: clamp(78px, 10vw, 126px) auto 0;
  padding: clamp(34px, 6vw, 56px) clamp(20px, 5vw, 48px);
  background: #17364a;
  color: #fff;
}

.download-section .eyebrow,
.download-section p {
  color: rgba(255, 255, 255, 0.76);
}

.store-badge {
  flex: 0 0 auto;
  width: 210px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: #05080b;
  line-height: 1.1;
}

.store-badge span,
.store-badge strong {
  display: block;
}

.store-badge span {
  font-size: 12px;
}

.store-badge strong {
  margin-top: 2px;
  font-size: 25px;
}

.contact-section {
  padding-bottom: clamp(60px, 8vw, 96px);
  text-align: center;
}

.contact-section .section-heading {
  margin-left: auto;
  margin-right: auto;
}

.mail-link {
  display: inline-flex;
  margin: 8px 0 24px;
  color: var(--blue-dark);
  font-size: 18px;
  font-weight: 900;
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.container {
  max-width: 860px;
  margin: 36px auto;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.container iframe {
  width: 100%;
  max-width: 640px;
  display: block;
  margin: 0 auto;
}

.container a {
  color: var(--blue-dark);
  font-weight: 700;
}

@media (max-width: 920px) {
  .hero,
  .split-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .phone-wrap {
    justify-content: flex-start;
  }

  .feature-grid,
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 42px;
  }

  h1 {
    font-size: clamp(34px, 11vw, 52px);
  }

  .summary-band,
  .feature-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .summary-band {
    padding-left: 20px;
    padding-right: 20px;
  }

  .download-section,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .store-badge {
    width: 100%;
    max-width: 240px;
  }
}