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

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #f78166;
  --accent-dim: #2a1e1e;
  --green: #3fb950;
  --green-dim: #1a2f1e;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

/* ── Nav ─────────────────────────────────────────── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.nav-logo svg {
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  opacity: 0.88;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--surface);
}

/* ── Hero ────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 6rem 1.5rem 5rem;
  max-width: 760px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.25);
  margin-bottom: 1.75rem;
}

.badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-actions .btn {
  padding: 0.7rem 1.5rem;
  font-size: 0.95rem;
}

/* ── Features ────────────────────────────────────── */
.features {
  padding: 5rem 1.5rem;
  max-width: 1050px;
  margin: 0 auto;
}

.section-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 3.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--accent);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-dim);
  margin-bottom: 1.1rem;
  font-size: 1.3rem;
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ── How it works ────────────────────────────────── */
.how {
  padding: 5rem 1.5rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: 800px;
  margin: 0 auto;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 3.5rem;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.step-body p {
  font-size: 0.9rem;
  color: var(--muted);
}

/* ── Channels ────────────────────────────────────── */
.channels {
  padding: 5rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.channel-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.channel-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.25rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.channel-pill .icon {
  font-size: 1.1rem;
}

/* ── CTA ─────────────────────────────────────────── */
.cta {
  padding: 6rem 1.5rem;
  text-align: center;
}

.cta h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta p {
  color: var(--muted);
  margin-bottom: 2rem;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ──────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

footer p {
  font-size: 0.85rem;
  color: var(--muted);
}

footer nav {
  border: none;
  padding: 0;
  position: static;
  background: transparent;
  backdrop-filter: none;
}

footer nav .nav-links a {
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  nav .nav-links { display: none; }
  footer { flex-direction: column; align-items: center; text-align: center; }
}