:root {
  --blue: #0757e6;
  --blue-2: #2d6cff;
  --ink: #07142d;
  --text: #273451;
  --muted: #66718d;
  --line: #dce6f6;
  --soft: #f3f7ff;
  --surface: rgba(255, 255, 255, .78);
  --shadow: 0 28px 80px rgba(15, 36, 78, .16);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: #fff;
}

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

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

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 23px;
  line-height: .96;
  font-weight: 850;
  letter-spacing: 0;
}

.brand-mark {
  width: 50px;
  height: 64px;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid rgba(7, 87, 230, .12);
  border-radius: 999px;
  background: rgba(255, 255, 255, .74);
  box-shadow: 0 10px 28px rgba(18, 45, 92, .06);
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: #31405e;
  font-size: 14px;
  font-weight: 720;
}

.nav-links a:hover {
  background: #edf4ff;
  color: var(--blue);
}

.hero {
  min-height: calc(100vh - 86px);
  display: grid;
  grid-template-columns: minmax(330px, 495px) minmax(420px, 1fr);
  gap: clamp(38px, 7vw, 108px);
  align-items: center;
  padding: 34px 0 72px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.launch-chip,
.section-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin: 0 0 18px;
  padding: 0 13px;
  border-radius: 999px;
  color: var(--blue);
  background: #eaf2ff;
  font-size: 13px;
  font-weight: 820;
}

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

h1 {
  max-width: 620px;
  margin-bottom: 24px;
  font-size: clamp(48px, 7.2vw, 92px);
  line-height: .94;
  letter-spacing: 0;
}

.hero-text {
  max-width: 560px;
  margin-bottom: 32px;
  color: #52607c;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.48;
  font-weight: 520;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 820;
}

.primary-button {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 16px 34px rgba(7, 87, 230, .24);
}

.secondary-button {
  color: var(--blue);
  border: 1px solid rgba(7, 87, 230, .22);
  background: rgba(255, 255, 255, .78);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  flex: 0 0 auto;
  padding: 9px 12px;
  border: 1px solid rgba(7, 87, 230, .12);
  border-radius: 999px;
  color: #354360;
  background: rgba(255, 255, 255, .7);
  font-size: 13px;
  font-weight: 720;
}

.hero-visual {
  position: relative;
  min-height: 680px;
  border-radius: 44px;
  background: #fff;
  box-shadow: none;
  overflow: visible;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 28px;
  border: 1px solid rgba(211, 222, 242, .72);
  border-radius: 36px;
  background: #fff;
}

.phone {
  position: absolute;
  width: min(45vw, 292px);
  border-radius: 36px;
  box-shadow: none;
  background: #fff;
}

.phone-main {
  left: 50%;
  top: 50%;
  z-index: 3;
  transform: translate(-50%, -50%);
}

.phone-left {
  left: 0;
  top: 18%;
  z-index: 2;
  width: min(35vw, 236px);
  transform: rotate(-7deg);
}

.phone-right {
  right: 0;
  bottom: 11%;
  z-index: 1;
  width: min(35vw, 236px);
  transform: rotate(7deg);
}

.screens-section,
.about-section,
.launch-section {
  padding: 86px 0;
}

.screens-section {
  width: min(100%, 1360px);
  margin-left: calc((1180px - min(1180px, calc(100vw - 40px))) / 2);
  padding-left: max(20px, calc((100vw - 1180px) / 2));
  padding-right: 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading h2,
.about-copy h2,
.launch-section h2 {
  margin-bottom: 16px;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-heading p,
.about-copy p,
.launch-section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.58;
}

.screen-rail {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 4px max(20px, calc((100vw - 1180px) / 2)) 24px 0;
  background: #fff;
  scroll-snap-type: x mandatory;
  scrollbar-color: rgba(7, 87, 230, .28) transparent;
}

.screen-card {
  flex: 0 0 min(850px, calc(100vw - 64px));
  min-height: 540px;
  display: grid;
  grid-template-columns: minmax(250px, 330px) minmax(300px, 1fr);
  align-items: center;
  gap: 34px;
  padding: 28px;
  border: 1px solid rgba(200, 214, 238, .88);
  border-radius: 32px;
  background: #fff;
  box-shadow: none;
  scroll-snap-align: start;
}

.screen-card img {
  width: min(100%, 325px);
  margin: 0 auto;
  border-radius: 28px;
  background: #fff;
  box-shadow: none;
}

.screen-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 18px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--blue);
  background: #eaf2ff;
  font-size: 13px;
  font-weight: 820;
}

.screen-card h3 {
  max-width: 430px;
  margin-bottom: 14px;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.15;
}

.screen-card p {
  max-width: 470px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.52;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 24px;
  color: #33415f;
  font-size: 15px;
  line-height: 1.48;
  font-weight: 610;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 5px #eaf2ff;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(300px, 440px) 1fr;
  gap: clamp(28px, 6vw, 78px);
  align-items: start;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.steps article {
  min-height: 260px;
  padding: 24px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 44px rgba(21, 47, 92, .08);
}

.steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 34px;
  border-radius: 14px;
  color: #fff;
  background: var(--blue);
  font-weight: 850;
}

.steps h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.steps p {
  color: var(--muted);
  line-height: 1.55;
}

.launch-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 54px;
  padding: 44px;
  border-radius: 32px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(6, 61, 176, .94), rgba(7, 87, 230, .94)),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,.18), transparent 32%);
  box-shadow: 0 28px 70px rgba(7, 87, 230, .24);
}

.launch-section .section-kicker {
  color: #fff;
  background: rgba(255,255,255,.16);
}

.launch-section p {
  max-width: 720px;
  color: rgba(255,255,255,.82);
}

.launch-section .primary-button {
  flex: 0 0 auto;
  color: var(--blue);
  background: #fff;
  box-shadow: none;
}

.site-footer {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #6b7691;
  border-top: 1px solid rgba(202, 216, 240, .72);
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 820;
}

@media (max-width: 980px) {
  .hero,
  .about-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 560px;
  }

  .phone {
    width: min(48vw, 275px);
  }

  .screen-card {
    flex-basis: min(760px, calc(100vw - 56px));
    grid-template-columns: minmax(220px, 300px) minmax(280px, 1fr);
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .steps article {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    min-height: 76px;
  }

  .brand {
    font-size: 20px;
  }

  .brand-mark {
    width: 42px;
    height: 55px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 26px;
    gap: 30px;
  }

  h1 {
    font-size: 45px;
    line-height: .98;
  }

  .hero-text {
    font-size: 17px;
    line-height: 1.5;
    margin-bottom: 28px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .hero-visual {
    min-height: auto;
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding: 0 0 20px;
    scroll-snap-type: x mandatory;
  }

  .hero-visual::before {
    display: none;
  }

  .phone,
  .phone-left,
  .phone-main,
  .phone-right {
    position: static;
    flex: 0 0 66vw;
    width: 66vw;
    transform: none;
    scroll-snap-align: center;
  }

  .trust-row {
    gap: 8px;
  }

  .trust-row span {
    font-size: 12px;
    padding: 8px 10px;
  }

  .screens-section,
  .about-section {
    padding: 58px 0;
  }

  .screens-section {
    width: min(100% - 28px, 1180px);
    margin: 0 auto;
    padding-left: 0;
    padding-right: 0;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .section-heading h2,
  .about-copy h2,
  .launch-section h2 {
    font-size: 34px;
  }

  .section-heading p,
  .about-copy p,
  .launch-section p {
    font-size: 16px;
  }

  .screen-rail {
    width: calc(100vw - 14px);
    margin-left: 0;
    padding: 4px 14px 20px 0;
    gap: 14px;
  }

  .screen-card {
    flex: 0 0 calc(100vw - 42px);
    min-height: auto;
    display: block;
    padding: 18px;
    border-radius: 26px;
  }

  .screen-card img {
    width: min(100%, 320px);
    margin-bottom: 20px;
  }

  .screen-card h3 {
    font-size: 27px;
  }

  .screen-card p,
  .feature-list li {
    font-size: 15px;
  }

  .launch-section {
    display: block;
    padding: 30px 22px;
    border-radius: 24px;
  }

  .launch-section .primary-button {
    margin-top: 22px;
  }

  .site-footer {
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    padding: 22px 0;
  }
}
