:root {
  color-scheme: dark;
  --bg: #061426;
  --panel: #12243c;
  --panel-soft: #0d3040;
  --text: #f7f9fd;
  --muted: #b7c4d8;
  --line: #286781;
  --yellow: #ffd653;
  --blue: #536fff;
  --green: #70edb2;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 90% 0%, rgba(83, 111, 255, 0.16), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: #9eb1ff;
}

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

.site-header {
  border-bottom: 1px solid rgba(183, 196, 216, 0.18);
}

.header-inner,
main,
.footer-inner {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(158, 177, 255, 0.42);
  border-radius: 10px;
  background: linear-gradient(145deg, #172d4b, #0b1c32);
  color: var(--yellow);
  font-size: 0.86rem;
  letter-spacing: -0.04em;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

main {
  padding: 72px 0 84px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--yellow);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.15;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.6rem, 8vw, 5rem);
  letter-spacing: -0.045em;
}

.lede {
  max-width: 680px;
  margin: 20px 0 34px;
  color: var(--muted);
  font-size: 1.18rem;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel-soft);
}

.contact-card strong,
.contact-card span {
  display: block;
}

.contact-card span {
  margin-top: 4px;
  color: var(--muted);
}

.button {
  display: inline-block;
  flex: 0 0 auto;
  padding: 12px 20px;
  border-radius: 14px;
  background: var(--blue);
  color: white;
  font-weight: 800;
  text-decoration: none;
}

.button:hover {
  background: #6a81ff;
  color: white;
}

.section {
  margin-top: 62px;
}

h2 {
  margin: 0 0 22px;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  letter-spacing: -0.025em;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 24px;
  border: 1px solid rgba(183, 196, 216, 0.12);
  border-radius: 20px;
  background: var(--panel);
}

.card p {
  margin: 0;
  color: var(--muted);
}

.privacy-callout {
  padding: 24px 26px;
  border-left: 4px solid var(--green);
  border-radius: 4px 18px 18px 4px;
  background: rgba(112, 237, 178, 0.08);
}

.privacy-callout p {
  margin: 0;
}

.policy h2 {
  margin-top: 48px;
}

.policy h3 {
  margin-top: 28px;
}

.policy p,
.policy li {
  color: var(--muted);
}

.policy ul {
  padding-left: 24px;
}

.updated {
  color: var(--yellow);
  font-weight: 700;
}

footer {
  border-top: 1px solid rgba(183, 196, 216, 0.18);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.marketing-main {
  width: 100%;
  max-width: none;
  padding-top: 0;
}

.hero,
.marketing-main > .section {
  width: min(1120px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.9fr);
  align-items: center;
  min-height: 760px;
  gap: 72px;
  padding: 74px 0;
}

.hero h1 {
  max-width: 700px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.text-link {
  color: var(--text);
  font-weight: 800;
  text-underline-offset: 5px;
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 650px;
  place-items: center;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(83, 111, 255, 0.3);
  border-radius: 50%;
}

.orbit-one {
  width: 510px;
  height: 510px;
}

.orbit-two {
  width: 360px;
  height: 360px;
  border-color: rgba(255, 214, 83, 0.25);
}

.phone-shell {
  position: relative;
  overflow: hidden;
  padding: 8px;
  border: 1px solid rgba(158, 177, 255, 0.35);
  border-radius: 38px;
  background: #020711;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
}

.phone-shell img {
  display: block;
  width: 100%;
  border-radius: 30px;
}

.hero-phone {
  z-index: 1;
  width: 300px;
  transform: rotate(2deg);
}

.feature-section {
  padding-top: 72px;
}

.feature-section > h2 {
  max-width: 660px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.feature-card {
  min-height: 300px;
  padding: 30px;
  border: 1px solid rgba(183, 196, 216, 0.14);
  border-radius: 26px;
  background: var(--panel);
}

.feature-card:nth-child(2) {
  background: var(--panel-soft);
}

.feature-number {
  margin: 0 0 72px;
  color: var(--yellow);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.feature-card h3 {
  font-size: 1.45rem;
}

.feature-card > p:last-child {
  color: var(--muted);
}

.showcase-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(250px, 0.6fr);
  align-items: end;
  gap: 48px;
}

.showcase-heading > p {
  color: var(--muted);
}

.phone-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 34px;
  margin-top: 46px;
}

.phone-grid figure {
  margin: 0;
}

.phone-grid figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
}

.about-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 46px;
  padding: clamp(30px, 7vw, 70px);
  border: 1px solid rgba(112, 237, 178, 0.32);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(18, 36, 60, 0.96), rgba(13, 48, 64, 0.92));
}

.developer-mark {
  display: grid;
  width: 140px;
  height: 140px;
  place-items: center;
  border: 1px solid rgba(255, 214, 83, 0.5);
  border-radius: 50%;
  color: var(--yellow);
  font-size: 2.4rem;
  font-weight: 850;
  letter-spacing: -0.05em;
}

.about-card h2 {
  margin-bottom: 22px;
}

.about-card p:not(.eyebrow) {
  max-width: 700px;
  color: var(--muted);
}

.closing-card {
  padding: 70px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(83, 111, 255, 0.2), rgba(255, 214, 83, 0.08));
  text-align: center;
}

.closing-card h2 {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center;
  }

  .hero-copy {
    display: grid;
    justify-items: center;
  }

  .hero-visual {
    min-height: 590px;
  }

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

  .feature-card {
    min-height: auto;
  }

  .feature-number {
    margin-bottom: 34px;
  }
}

@media (max-width: 700px) {
  .site-header nav {
    gap: 12px;
    font-size: 0.88rem;
  }

  .site-header nav a:first-child {
    display: none;
  }

  .showcase-heading,
  .about-card {
    grid-template-columns: 1fr;
  }

  .phone-grid {
    grid-template-columns: 1fr;
    width: min(330px, 100%);
    margin-left: auto;
    margin-right: auto;
  }

  .developer-mark {
    width: 92px;
    height: 92px;
    font-size: 1.75rem;
  }

  .closing-card {
    padding: 42px 24px;
  }
}

@media (max-width: 650px) {
  .header-inner,
  .footer-inner,
  .contact-card {
    align-items: flex-start;
    flex-direction: column;
  }

  main {
    padding-top: 48px;
  }

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