:root {
  --ink: #f7fbf8;
  --muted: #aebbb7;
  --paper: #071513;
  --soft: #0d211e;
  --line: rgba(255, 255, 255, 0.12);
  --teal: #18b7a4;
  --teal-2: #0d5651;
  --orange: #f59a23;
  --white: #ffffff;
  --blue: #56a6ff;
  --green: #7ed957;
  --panel: rgba(255, 255, 255, 0.075);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #071513;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
}

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

.hero {
  min-height: 90vh;
  padding: 22px clamp(18px, 5vw, 72px) 64px;
  background:
    radial-gradient(circle at 18% 22%, rgba(24, 183, 164, 0.28), transparent 32%),
    radial-gradient(circle at 82% 12%, rgba(245, 154, 35, 0.24), transparent 28%),
    linear-gradient(180deg, #06110f 0%, #0b1a18 100%);
  position: relative;
  overflow: hidden;
}

.hero::after {
  background: linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  inset: 0;
  opacity: 0.22;
  pointer-events: none;
  position: absolute;
}

.nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1160px;
  position: relative;
  z-index: 1;
}

.brand {
  align-items: center;
  display: flex;
  font-size: 1.05rem;
  font-weight: 900;
  gap: 10px;
}

.brand-mark {
  align-items: center;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--teal), var(--orange));
  border-radius: 9px;
  color: white;
  display: inline-flex;
  justify-content: center;
  width: 38px;
}

.nav-links {
  display: flex;
  font-size: 0.95rem;
  font-weight: 800;
  gap: clamp(14px, 3vw, 34px);
  color: rgba(255, 255, 255, 0.78);
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: clamp(30px, 7vw, 92px);
  grid-template-columns: minmax(0, 1.04fr) minmax(310px, 0.76fr);
  margin: 86px auto 0;
  max-width: 1160px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  color: var(--orange);
  font-size: 0.84rem;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 14px;
  text-transform: uppercase;
}

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

h1 {
  color: #ffffff;
  font-size: clamp(3rem, 7.4vw, 6.8rem);
  letter-spacing: 0;
  line-height: 0.9;
  margin-bottom: 24px;
  max-width: 860px;
}

h2 {
  font-size: clamp(2.1rem, 4.4vw, 4.8rem);
  letter-spacing: 0;
  line-height: 0.98;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.35rem;
  line-height: 1.1;
  margin-bottom: 10px;
}

.hero-text,
.section-heading p,
article p,
.experience p,
.check-list {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.58;
}

.hero-text {
  max-width: 690px;
}

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

.primary-action,
.secondary-action,
.download-button {
  align-items: center;
  border-radius: 9px;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
}

.primary-action,
.download-button {
  background: linear-gradient(135deg, var(--teal), #0d766c);
  color: white;
}

.download-button.alt,
.secondary-action {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: white;
}

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

.trust-row span {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
  font-weight: 800;
  padding: 8px 12px;
}

.product-panel {
  background: rgba(7, 21, 19, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 22px;
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.46);
  color: white;
  overflow: hidden;
}

.panel-header {
  align-items: center;
  background: rgba(0, 0, 0, 0.28);
  display: flex;
  gap: 9px;
  min-height: 48px;
  padding: 0 16px;
}

.panel-header span {
  background: rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.panel-header strong {
  margin-left: auto;
}

.desktop-preview {
  display: grid;
  gap: 12px;
  grid-template-columns: 1.15fr 0.85fr;
  padding: clamp(22px, 4vw, 36px);
}

.app-icon,
.wide-widget {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  font-weight: 900;
  min-height: 112px;
  padding: 18px;
}

.app-icon {
  align-items: end;
  display: flex;
  font-size: 1.12rem;
  transition: transform 180ms ease, border-color 180ms ease;
}

.app-icon:hover {
  border-color: rgba(255, 255, 255, 0.36);
  transform: translateY(-3px);
}

.app-icon.featured {
  background: linear-gradient(135deg, rgba(24, 183, 164, 0.92), rgba(12, 84, 80, 0.72));
  min-height: 172px;
}

.app-icon.orange {
  background: linear-gradient(135deg, rgba(245, 154, 35, 0.92), rgba(120, 61, 7, 0.66));
}

.app-icon.blue {
  background: linear-gradient(135deg, rgba(86, 166, 255, 0.9), rgba(20, 65, 138, 0.68));
}

.app-icon.green {
  background: linear-gradient(135deg, rgba(126, 217, 87, 0.86), rgba(33, 96, 54, 0.7));
}

.wide-widget {
  grid-column: 1 / -1;
}

.wide-widget strong,
.wide-widget small {
  display: block;
}

.wide-widget strong {
  color: white;
  font-size: 1.45rem;
}

.wide-widget small {
  color: rgba(255, 255, 255, 0.72);
  margin-top: 6px;
}

section:not(.hero) {
  padding: 78px clamp(18px, 5vw, 72px);
}

.section-heading,
.feature-grid,
.audience-grid,
.download-list,
.experience-grid,
.test-flow ol,
.cta-strip {
  margin-left: auto;
  margin-right: auto;
  max-width: 1160px;
}

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

.section-heading p {
  max-width: 760px;
}

.audience,
.versions,
.test-flow {
  background: #071513;
}

.experience,
.downloads {
  background: #0d211e;
}

.audience-grid,
.download-list,
.feature-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

article,
.download-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
}

.card-number,
.status {
  color: var(--orange);
  display: block;
  font-size: 0.8rem;
  font-weight: 900;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.experience-grid {
  align-items: start;
  display: grid;
  gap: clamp(24px, 5vw, 70px);
  grid-template-columns: 0.8fr 1fr;
}

.check-list {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  list-style: none;
  margin-bottom: 0;
  padding: 26px;
}

.check-list li {
  border-bottom: 1px solid var(--line);
  color: #ffffff;
  font-weight: 800;
  padding: 14px 0;
}

.check-list li:first-child {
  padding-top: 0;
}

.check-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

dl {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
}

dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

dd {
  font-weight: 900;
  margin: 2px 0 0;
}

.cta-strip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.test-flow ol {
  counter-reset: steps;
  display: grid;
  gap: 12px;
  list-style: none;
  padding: 0;
}

.test-flow li {
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  counter-increment: steps;
  display: grid;
  font-size: 1.05rem;
  font-weight: 900;
  gap: 14px;
  grid-template-columns: 44px 1fr;
  min-height: 64px;
  padding: 12px 18px;
}

.test-flow li::before {
  align-items: center;
  aspect-ratio: 1;
  background: var(--teal);
  border-radius: 9px;
  color: white;
  content: counter(steps);
  display: inline-flex;
  justify-content: center;
}

@media (max-width: 880px) {
  .hero-grid,
  .audience-grid,
  .download-list,
  .feature-grid,
  .experience-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    margin-top: 54px;
  }
}

@media (max-width: 560px) {
  .nav {
    align-items: flex-start;
    display: grid;
    gap: 16px;
  }

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

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