:root {
  color-scheme: dark;
  --bg: #05070a;
  --panel: #101820;
  --panel-strong: #16232d;
  --field: #0b1117;
  --line: rgba(149, 168, 179, 0.24);
  --text: #f4fbff;
  --muted: #9aaab5;
  --profit: #11ff41;
  --profit-soft: rgba(17, 255, 65, 0.14);
  --steel: #64b5d9;
  --warning: #ffcc4d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(100, 181, 217, 0.14), transparent 460px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 76px),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-shell {
  min-height: 100vh;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(149, 168, 179, 0.16);
  background: rgba(5, 7, 10, 0.86);
  backdrop-filter: blur(18px);
}

.nav-inner,
.section-inner,
.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 950;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--profit);
  color: #031006;
  font-weight: 1000;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.nav-links a {
  text-decoration: none;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--profit);
  color: #041006;
  font-weight: 950;
  text-decoration: none;
}

.button-secondary {
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
}

.hero {
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--profit);
  font-size: 0.82rem;
  font-weight: 950;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(2.45rem, 7vw, 5.4rem);
  line-height: 0.96;
}

.hero-copy {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.phone-stack {
  display: grid;
  justify-items: center;
}

.phone-frame {
  width: min(100%, 330px);
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.phone-frame img {
  display: block;
  width: 100%;
  border-radius: 24px;
}

.section {
  padding: 56px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-heading h2 {
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.section-heading p {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.55;
}

.feature-grid,
.support-grid,
.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 24, 32, 0.92);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.02rem;
}

.card p,
.card li {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.5;
}

.card ul {
  margin: 0;
  padding-left: 18px;
}

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

.screenshot-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.screenshot-card img {
  display: block;
  width: 100%;
}

.screenshot-card p {
  margin: 0;
  padding: 14px;
  color: var(--muted);
  font-weight: 850;
}

.callout {
  padding: 24px;
  border: 1px solid rgba(17, 255, 65, 0.36);
  border-radius: 8px;
  background: var(--profit-soft);
}

.callout p {
  margin-bottom: 0;
  color: var(--text);
  font-weight: 850;
  line-height: 1.5;
}

.page-hero {
  padding: 64px 0 24px;
}

.page-hero h1 {
  font-size: clamp(2.1rem, 5vw, 4rem);
}

.page-copy {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.6;
}

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

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

.contact-box {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.contact-box a {
  color: var(--profit);
  font-weight: 900;
}

.footer {
  margin-top: 56px;
  border-top: 1px solid rgba(149, 168, 179, 0.16);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}

.footer-links {
  display: flex;
  gap: 14px;
}

@media (max-width: 820px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero-grid,
  .feature-grid,
  .support-grid,
  .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 44px;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .nav-inner,
  .section-inner,
  .footer-inner {
    width: min(100% - 24px, 1120px);
  }

  .hero-actions,
  .footer-links {
    display: grid;
  }

  .button-link {
    width: 100%;
  }
}
