:root {
  color-scheme: dark;
  --bg: #080a08;
  --surface: #11150f;
  --surface-strong: #1a2017;
  --surface-warm: #15130f;
  --border: #394235;
  --text: #f7fbf2;
  --text-secondary: #d4decf;
  --text-muted: #9ba894;
  --accent: #3df27c;
  --accent-strong: #9afc4f;
  --warning: #ffd447;
  --danger: #ff595f;
  --road: #242821;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

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

.inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  width: min(860px, 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(8, 10, 8, 0.86);
  border-bottom: 1px solid rgba(57, 66, 53, 0.72);
}

.shell-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 0.98rem;
}

.brand-copy span {
  color: var(--text-muted);
  font-size: 0.84rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a,
.button,
.feature-card,
.detail-card,
.phone-frame,
.screenshot-strip figure {
  border-radius: 8px;
}

.nav a {
  padding: 10px 12px;
  color: var(--text-secondary);
}

.nav a[aria-current="page"],
.nav a:hover {
  background: var(--surface-strong);
  color: var(--text);
}

.hero-band,
.content-band {
  padding: 56px 0;
}

.hero-band {
  background:
    linear-gradient(90deg, rgba(61, 242, 124, 0.1), transparent 38%),
    linear-gradient(180deg, #10140e 0%, var(--bg) 100%);
}

.compact-band {
  padding: 44px 0 24px;
}

.alternate-band {
  background: var(--surface);
  border-top: 1px solid rgba(57, 66, 53, 0.7);
  border-bottom: 1px solid rgba(57, 66, 53, 0.7);
}

.screenshot-band {
  background: #0d0f0c;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  gap: 34px;
  align-items: center;
}

.hero-copy,
.phone-showcase,
.detail-card,
.feature-card {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p,
ul,
figure {
  margin: 0;
}

h1 {
  max-width: 12ch;
  font-size: 4.45rem;
  line-height: 0.98;
}

h2 {
  font-size: 2.55rem;
  line-height: 1.05;
}

h3 {
  font-size: 1.05rem;
}

.lede {
  margin-top: 18px;
  max-width: 46rem;
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.55;
}

.supporting,
.microcopy {
  margin-top: 14px;
  max-width: 42rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--border);
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  border-color: transparent;
  color: #071009;
}

.button.secondary {
  background: var(--surface-strong);
  color: var(--text);
}

.phone-showcase {
  position: relative;
  min-height: 700px;
}

.phone-frame {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(154, 252, 79, 0.2);
  background: #050705;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.45);
}

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

.phone-frame-main {
  width: min(330px, 63vw);
  aspect-ratio: 1320 / 2868;
  right: 42px;
  top: 0;
}

.phone-frame-secondary {
  width: min(230px, 45vw);
  aspect-ratio: 1320 / 2868;
  left: 8px;
  bottom: 10px;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.split-heading {
  grid-template-columns: minmax(0, 0.85fr) minmax(260px, 0.55fr);
  align-items: end;
}

.split-heading p:last-child {
  color: var(--text-muted);
  line-height: 1.55;
}

.feature-grid,
.policy-grid,
.support-layout {
  display: grid;
  gap: 16px;
}

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

.feature-card,
.detail-card {
  padding: 18px;
  border: 1px solid rgba(57, 66, 53, 0.9);
  background: var(--surface);
}

.feature-card p,
.detail-card p,
.detail-list li {
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-card p {
  margin-top: 10px;
}

.screenshot-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 1fr);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
}

.screenshot-strip figure {
  min-width: 0;
  scroll-snap-align: start;
}

.screenshot-strip img {
  width: 100%;
  aspect-ratio: 1320 / 2868;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(57, 66, 53, 0.9);
  background: #050705;
}

.screenshot-strip figcaption {
  min-height: 3.8rem;
  padding-top: 10px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: start;
}

.scope-list,
.detail-list {
  padding-left: 18px;
}

.scope-list {
  display: grid;
  gap: 10px;
  color: var(--text-secondary);
  line-height: 1.55;
}

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

.faq {
  display: grid;
  gap: 10px;
}

.faq h3 {
  margin-top: 4px;
}

.site-footer {
  border-top: 1px solid rgba(57, 66, 53, 0.72);
  padding-bottom: 22px;
}

.site-footer p {
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover,
.detail-card a:hover {
  color: var(--accent);
}

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

  .phone-showcase {
    min-height: 620px;
  }
}

@media (max-width: 680px) {
  .shell-row,
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav,
  .button-row,
  .footer-links {
    width: 100%;
  }

  .nav a,
  .button {
    width: 100%;
  }

  .hero-band,
  .content-band {
    padding: 42px 0;
  }

  h1 {
    max-width: none;
    font-size: 3.05rem;
  }

  h2 {
    font-size: 2rem;
  }

  .phone-showcase {
    min-height: 500px;
  }

  .phone-frame-main {
    right: 0;
  }

  .phone-frame-secondary {
    left: 0;
  }
}
