:root {
  --bg: #0f172a;
  --bg2: #1e293b;
  --panel: #ffffff;
  --text: #1e293b;
  --text-inv: #f1f5f9;
  --muted: #64748b;
  --muted-inv: #94a3b8;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #38bdf8;
  --border: #e2e8f0;
  --radius: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: #f8fafc;
  line-height: 1.6;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { line-height: 1.25; }

/* ── Nav ─────────────────────────────────────────────── */
#nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding: 14px 0;
  transition: background .25s, box-shadow .25s;
}
#nav.scrolled { background: rgba(15, 23, 42, .92); backdrop-filter: blur(8px); box-shadow: 0 2px 20px rgba(0,0,0,.25); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { font-size: 20px; font-weight: 800; color: #fff; text-decoration: none; letter-spacing: .3px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: #cbd5e1; text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: #fff; }
#burger { display: none; background: none; border: 0; color: #fff; font-size: 24px; cursor: pointer; }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  text-decoration: none; font-weight: 600; font-size: 15px;
  transition: transform .15s, background .2s;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--primary); color: #fff !important; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { border: 1px solid #475569; color: #e2e8f0 !important; }
.btn-ghost:hover { border-color: #94a3b8; }
.btn-small { padding: 8px 16px; background: var(--primary); color: #fff !important; border-radius: 8px; }

/* ── Hero ────────────────────────────────────────────── */
.hero {
  background: radial-gradient(1000px 500px at 75% -10%, #1d4ed8aa, transparent),
              linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  color: var(--text-inv);
  padding: 140px 0 90px;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 44px; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { margin: 18px 0 26px; color: var(--muted-inv); font-size: 18px; max-width: 480px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-chips { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.hero-chips span {
  background: #ffffff14; border: 1px solid #ffffff22;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; color: #e2e8f0;
}

/* ── TV mockup ───────────────────────────────────────── */
.hero-visual { display: flex; justify-content: center; }
.tv-frame {
  width: 100%; max-width: 420px;
  background: #0b1120; border: 1px solid #ffffff1f; border-radius: var(--radius);
  padding: 14px; box-shadow: 0 30px 60px rgba(0,0,0,.45);
}
.tv-screen {
  aspect-ratio: 16/9; border-radius: 8px; overflow: hidden;
  display: grid; place-items: center; position: relative;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  transition: background .6s;
}
.tv-slide { font-size: 64px; filter: drop-shadow(0 6px 18px rgba(0,0,0,.35)); }
.tv-slide::after {
  content: attr(data-label) ; /* label under emoji */
  display: block; font-size: 14px; color: #ffffffd9; text-align: center; margin-top: 6px;
}
.tv-progress { height: 5px; background: #ffffff1a; border-radius: 999px; margin-top: 12px; overflow: hidden; }
.tv-progress > div { height: 100%; width: 0; background: var(--accent); transition: width .2s linear; }
.tv-status { margin-top: 10px; font-size: 13px; color: var(--muted-inv); display: flex; align-items: center; gap: 7px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.on { background: #4ade80; box-shadow: 0 0 10px #4ade80aa; }

/* ── Sections ────────────────────────────────────────── */
.section { padding: 84px 0; }
.section.alt { background: #eef2f7; }
.section h2 { font-size: 32px; margin-bottom: 10px; }
.section-sub { color: var(--muted); max-width: 560px; margin-bottom: 40px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(15,23,42,.08); }
.card-ico { font-size: 30px; margin-bottom: 12px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.step-n {
  display: inline-grid; place-items: center; width: 38px; height: 38px;
  background: var(--primary); color: #fff; font-weight: 700; border-radius: 10px; margin-bottom: 14px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.tech { border-left: 3px solid var(--primary); background: var(--panel); border-radius: 0 var(--radius) var(--radius) 0; padding: 22px; }
.tech b { font-size: 16px; }
.tech p { color: var(--muted); font-size: 15px; margin-top: 6px; }

.contact { text-align: center; }
.contact .section-sub { margin-left: auto; margin-right: auto; }
.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.contact-actions .btn-ghost { border-color: #cbd5e1; color: var(--text) !important; }

footer { background: var(--bg); color: var(--muted-inv); padding: 26px 0; }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 14px; }
.foot a { color: var(--accent); text-decoration: none; }

/* ── Problem/Solution split ──────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.split-col { border-radius: var(--radius); padding: 26px; }
.split-col h3 { margin-bottom: 16px; font-size: 18px; }
.split-col.problems { background: #fef2f2; border: 1px solid #fecaca; }
.split-col.solutions { background: #f0fdf4; border: 1px solid #bbf7d0; }
.split-item { padding: 10px 0; border-top: 1px dashed rgba(100,116,139,.25); }
.split-item:first-of-type { border-top: 0; }
.split-item b { font-size: 15px; }
.split-item p { color: var(--muted); font-size: 14px; margin-top: 2px; }

/* ── Industries ──────────────────────────────────────── */
.ind-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.ind {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; font-weight: 600; font-size: 14px;
  display: flex; align-items: center; gap: 10px;
}
.ind span { font-size: 22px; }

/* ── Stats band ──────────────────────────────────────── */
.band { background: linear-gradient(120deg, var(--bg), #1d3a8a); color: #fff; padding: 44px 0; }
.band-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; text-align: center; }
.band-item b { display: block; font-size: 26px; color: var(--accent); }
.band-item span { color: #cbd5e1; font-size: 14px; }

/* ── Pricing ─────────────────────────────────────────── */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; align-items: start; }
.price-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; text-align: center; position: relative;
}
.price-card.featured { border: 2px solid var(--primary); box-shadow: 0 18px 40px rgba(37,99,235,.12); }
.badge-top {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff; font-size: 12px; font-weight: 700;
  padding: 3px 14px; border-radius: 999px;
}
.price-card h3 { font-size: 18px; }
.price { font-size: 22px; font-weight: 800; margin: 10px 0 16px; }
.price span { font-size: 13px; color: var(--muted); font-weight: 500; }
.check { list-style: none; text-align: left; margin-bottom: 18px; }
.check li { padding: 7px 0 7px 26px; position: relative; font-size: 14px; border-top: 1px dashed var(--border); }
.check li:first-child { border-top: 0; }
.check li::before { content: '✓'; position: absolute; left: 2px; color: var(--ok, #16a34a); font-weight: 700; }
.dark-ghost { border-color: #cbd5e1; color: var(--text) !important; }

/* ── Mobile ──────────────────────────────────────────── */
@media (max-width: 860px) {
  .hero { padding: 120px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .split { grid-template-columns: 1fr; }
  #burger { display: block; }
  .nav-links {
    display: none; position: absolute; top: 58px; left: 0; right: 0;
    flex-direction: column; background: #0f172af5; padding: 18px 22px; gap: 16px;
  }
  .nav-links.open { display: flex; }
}