:root {
  --bg: #0a0e14;
  --bg-elevated: #141821;
  --bg-card: #1a1f2a;
  --border: #242a36;
  --text: #ffffff;
  --text-muted: #8a8f99;
  --accent: #00d959;
  --accent-hover: #00ee66;
  --accent-soft: rgba(0, 217, 89, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

ul { list-style: none; }

/* ----- Nav ----- */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  max-width: var(--max-width);
  margin: 0 auto;
  position: sticky;
  top: 0;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.nav__logo { height: 28px; width: auto; display: block; }

.nav__links { display: flex; gap: 28px; }
.nav__links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--text); }

/* ----- Hero ----- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 32px 100px;
}

.hero__badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero__title {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero__highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #00ee66 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__phone {
  max-width: 340px;
  border-radius: 36px;
  box-shadow: 0 30px 80px rgba(0, 217, 89, 0.15), 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.15s, background 0.15s, color 0.15s;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--accent);
  color: #00270f;
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: #00270f;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { background: var(--bg-elevated); color: var(--text); }

.btn--large { padding: 18px 32px; font-size: 16px; }

/* ----- Section heading ----- */
.section__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
  padding: 0 32px;
}
.section__head h2 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section__head p { color: var(--text-muted); font-size: 17px; }

/* ----- Features ----- */
.features { padding: 100px 0; background: var(--bg-elevated); }

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.2s, border-color 0.2s;
}
.feature:hover {
  transform: translateY(-2px);
  border-color: var(--accent-soft);
}
.feature__icon { font-size: 32px; margin-bottom: 16px; }
.feature h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.feature p { color: var(--text-muted); font-size: 15px; line-height: 1.6; }

/* ----- Showcase ----- */
.showcase { padding: 100px 0; }

.showcase__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
  padding: 0 32px;
}
.showcase__head h2 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.showcase__head p { color: var(--text-muted); font-size: 17px; }

.showcase__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.showcase__item { text-align: center; }
.showcase__item img {
  max-width: 280px;
  margin: 0 auto;
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.showcase__item figcaption {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}

/* ----- Watch section ----- */
.watch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 32px;
}
.watch__tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.watch__content h2 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.watch__content > p { color: var(--text-muted); font-size: 17px; margin-bottom: 24px; }

.watch__list { display: flex; flex-direction: column; gap: 12px; }
.watch__list li {
  padding-left: 28px;
  position: relative;
  color: var(--text);
  font-size: 15px;
}
.watch__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.watch__visual { display: flex; justify-content: center; }
.watch__visual img {
  max-width: 320px;
  border-radius: 40px;
  box-shadow: 0 20px 60px rgba(0, 217, 89, 0.12), 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ----- Roadmap ----- */
.roadmap { padding: 100px 0; background: var(--bg-elevated); }

.roadmap__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.platform {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}
.platform--ready { border-color: var(--accent-soft); background: linear-gradient(180deg, var(--bg-card) 0%, rgba(0, 217, 89, 0.04) 100%); }
.platform__icon { font-size: 40px; margin-bottom: 12px; }
.platform h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.platform__status {
  display: inline-block;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.platform--ready .platform__status { color: var(--accent); }

/* ----- CTA ----- */
.cta {
  text-align: center;
  padding: 100px 32px;
  max-width: 720px;
  margin: 0 auto;
}
.cta h2 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.cta p { color: var(--text-muted); font-size: 17px; margin-bottom: 32px; }

/* ----- Footer ----- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 32px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 14px;
}
.footer__logo { height: 22px; width: auto; display: block; opacity: 0.8; }
.footer__links { display: flex; gap: 24px; }
.footer__links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--text); }

/* ----- Responsive ----- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding: 60px 24px 80px; text-align: center; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .showcase__grid { grid-template-columns: repeat(2, 1fr); }
  .showcase__grid .showcase__item:nth-child(3) { grid-column: 1 / -1; max-width: 280px; margin: 0 auto; }
  .watch { grid-template-columns: 1fr; text-align: center; }
  .watch__list li { text-align: left; max-width: 380px; margin: 0 auto; }
  .roadmap__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .nav { padding: 16px 20px; }
  .nav__links { display: none; }
  .hero { padding: 40px 20px 60px; gap: 40px; }
  .hero__phone { max-width: 280px; }
  .features__grid { grid-template-columns: 1fr; }
  .showcase__grid { grid-template-columns: 1fr; }
  .showcase__grid .showcase__item:nth-child(3) { grid-column: auto; }
  .roadmap__grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; text-align: center; }
}