/* ─── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0f14;
  --surface: #161920;
  --surface2: #1e2130;
  --border: #262b3d;
  --accent: #6c63ff;
  --accent2: #8b5cf6;
  --text: #e8eaf0;
  --muted: #8890a8;
  --green: #34d399;
  --red: #f87171;
  --radius: 14px;
  --gap: 1.5rem;
  --max-w: 1120px;
  --font: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ─── Layout helpers ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

section { padding-block: 5rem; }

/* ─── Nav ──────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-dot { color: var(--accent); font-size: 1.6rem; line-height: 1; }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-size: .9rem;
  color: var(--muted);
}

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

.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: .5rem 1.1rem;
  border-radius: 8px;
  font-size: .875rem;
  font-weight: 600;
  transition: opacity .2s;
}
.nav-cta:hover { opacity: .85; }

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  padding-block: 7rem 5rem;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 40% at 50% -10%, rgba(108,99,255,.22) 0%, transparent 70%),
    var(--bg);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(108,99,255,.12);
  border: 1px solid rgba(108,99,255,.35);
  color: #a89fff;
  font-size: .78rem;
  font-weight: 600;
  padding: .3rem .9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  letter-spacing: .5px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  max-width: 760px;
  margin-inline: auto;
}

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

.hero-sub {
  margin-top: 1.25rem;
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 520px;
  margin-inline: auto;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: .8rem 1.8rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform .15s, opacity .15s;
  box-shadow: 0 4px 24px rgba(108,99,255,.35);
}
.btn-primary:hover { transform: translateY(-2px); opacity: .9; }

.btn-ghost {
  color: var(--muted);
  padding: .8rem 1.8rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid var(--border);
  background: transparent;
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }

/* ─── Stats strip ──────────────────────────────────────────── */
#stats { padding-block: 3rem; border-block: 1px solid var(--border); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--gap);
  text-align: center;
}

.stat-card {
  padding: 1.5rem 1rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.stat-value {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.stat-label { font-size: .85rem; color: var(--muted); margin-top: .25rem; }

.delta {
  display: inline-block;
  margin-top: .5rem;
  font-size: .8rem;
  font-weight: 700;
  padding: .2rem .55rem;
  border-radius: 999px;
}
.delta.pos { background: rgba(52,211,153,.12); color: var(--green); }
.delta.neg { background: rgba(248,113,113,.12); color: var(--red); }

/* ─── Features ─────────────────────────────────────────────── */
#features { background: var(--surface); }

.section-label {
  text-align: center;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .75rem;
}

.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: .75rem;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap);
}

.feature-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color .25s, transform .25s;
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-4px); }

.feature-icon { font-size: 2rem; margin-bottom: 1rem; }
.feature-title { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.feature-desc { color: var(--muted); font-size: .95rem; }

/* ─── Pricing ──────────────────────────────────────────────── */
#pricing { }

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
  align-items: start;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.25rem;
  position: relative;
  transition: border-color .25s;
}
.plan-card:hover { border-color: var(--accent); }

.plan-card.highlight {
  border-color: var(--accent);
  background: linear-gradient(145deg, rgba(108,99,255,.08) 0%, var(--surface) 60%);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 40px rgba(108,99,255,.2);
}

.popular-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: .25rem .85rem;
  border-radius: 999px;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.plan-name { font-size: .85rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.plan-price { font-size: 2.8rem; font-weight: 800; letter-spacing: -1px; margin-top: .3rem; }
.plan-sub { color: var(--muted); font-size: .9rem; }

.plan-divider { border: none; border-top: 1px solid var(--border); margin-block: 1.5rem; }

.plan-features { list-style: none; display: flex; flex-direction: column; gap: .65rem; }
.plan-features li { display: flex; align-items: center; gap: .6rem; font-size: .95rem; color: var(--muted); }
.plan-features li::before { content: "✓"; color: var(--green); font-weight: 700; flex-shrink: 0; }

.plan-btn {
  display: block;
  width: 100%;
  margin-top: 2rem;
  padding: .85rem;
  border-radius: 10px;
  text-align: center;
  font-weight: 700;
  font-size: .95rem;
  transition: opacity .2s, transform .15s;
  cursor: pointer;
  border: none;
}

.plan-btn.primary { background: var(--accent); color: #fff; }
.plan-btn.outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.plan-btn:hover { opacity: .85; transform: translateY(-1px); }

/* ─── Footer ───────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
  text-align: center;
  color: var(--muted);
  font-size: .875rem;
}

footer .footer-logo { font-weight: 700; color: var(--text); font-size: 1rem; }
footer p { margin-top: .5rem; }

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero { padding-block: 5rem 3rem; }
}