:root {
  --navy: #0f2f54;
  --accent: #1b4f8a;
  --accent-2: #2a7de1;
  --cyan: #22c3e6;
  --ink: #0f1c2e;
  --muted: #5b6778;
  --line: rgba(15, 28, 46, 0.1);
  --bg: #f4f7fb;
  --card: #fff;
  --danger: #c81e1e;
  --ok: #1f7a4d;
  --shadow: 0 18px 50px rgba(15, 47, 84, 0.1);
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background-color: #f7f8fa;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: url("../assets/bk_site.jpg") center / cover no-repeat;
  opacity: 0.22;
  pointer-events: none;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

.wrap { width: min(1160px, calc(100% - 2rem)); margin: 0 auto; }
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.brand {
  display: flex;
  align-items: center;
}
.brand img {
  height: 42px;
  width: auto;
  display: block;
}
.nav-links {
  display: flex;
  gap: 1.15rem;
  margin-left: 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
}
.nav-links a:hover { color: var(--accent); }
.nav-cta { margin-left: auto; display: flex; gap: 0.55rem; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn--ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.btn--navy { background: #111; color: #fff; }
.btn--grad {
  color: #fff;
  background: linear-gradient(90deg, var(--cyan), var(--accent-2));
  box-shadow: 0 8px 22px rgba(34, 195, 230, 0.28);
}
.btn--lg { min-height: 3rem; padding: 0.7rem 1.25rem; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 2rem 0 5rem;
  background: transparent;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--cyan), #3d7cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { margin: 0 0 1.5rem; color: var(--muted); font-size: 1.08rem; max-width: 36rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.cam {
  background: #11161d;
  border-radius: 22px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 3 / 4;
  max-height: 420px;
  min-height: 0;
  margin-left: auto;
}
.cam__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section { padding: 5rem 0; background: transparent; }
.section--soft {
  position: relative;
  z-index: 2;
  margin-top: -2.4rem;
  padding-top: 5.5rem;
  background: var(--navy);
  color: #fff;
  border-radius: 0;
  box-shadow: 0 -16px 40px rgba(15, 28, 46, 0.18);
}
.section--soft .lead { color: #c5d2e0; }
.section--soft .checks li { color: #e8eef5; }
.section--soft .checks i { color: var(--cyan); }
.section--dark {
  background: #101820;
  color: #fff;
}
.kicker {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.6rem;
}
h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
}
.lead { color: var(--muted); max-width: 40rem; margin: 0 0 2rem; }
.section--dark .lead { color: #b7c2ce; }

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: center;
}
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.checks li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-weight: 600;
}
.checks i {
  color: var(--ok);
  margin-top: 0.2rem;
}

.phone {
  width: min(320px, 100%);
  margin: 0 auto;
  background: #0e1319;
  border-radius: 32px;
  padding: 0.7rem;
  box-shadow: 0 30px 70px rgba(0,0,0,0.35);
}
.phone__screen {
  background: #f3f5f7;
  border-radius: 24px;
  overflow: hidden;
  color: var(--ink);
}
.phone__bar {
  padding: 0.85rem 0.9rem 0.4rem;
  text-align: center;
}
.phone__bar strong { display: block; font-size: 0.95rem; }
.phone__bar small { color: var(--muted); }
.phone-card { margin: 0.6rem; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 20px rgba(15,28,46,0.08); }
.phone-card__img {
  height: 168px;
  position: relative;
  background: #1a1f26;
}
.phone-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}
.phone-card__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, 0.62));
  pointer-events: none;
}
.phone-card__tag {
  position: absolute;
  z-index: 1;
  top: 0.65rem;
  left: 0.65rem;
  background: var(--danger);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.25rem 0.5rem;
  border-radius: 7px;
}
.phone-card__meta {
  position: absolute;
  z-index: 1;
  left: 0.65rem;
  bottom: 0.55rem;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 600;
}
.phone-card__acts {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--muted);
}
.phone-card__acts span { padding: 0.7rem 0.2rem; }
.phone-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0.45rem 0 0.7rem;
  font-size: 0.62rem;
  font-weight: 700;
  color: #8a94a3;
  text-align: center;
}
.phone-nav b { color: var(--accent); display: block; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.2rem;
}
.step em {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-style: normal;
  font-weight: 800;
  margin-bottom: 0.8rem;
}
.step h3 { margin: 0 0 0.4rem; font-size: 1rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.verts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.vert {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.3rem;
}
.vert h3 { margin: 0 0 0.4rem; color: var(--accent); }
.vert p { margin: 0; color: var(--muted); }

.mods { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr; gap: 1rem; }
.mod {
  border-radius: 0;
  padding: 1.4rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}
.mod--live {
  background: var(--navy);
  color: #fff;
  border: 0;
}
.mod--soon { background: #f7f8fa; }
.mod span {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
  color: var(--cyan);
}
.mod--soon span { color: #8a6a12; }
.mod h3 { margin: 0 0 0.45rem; }
.mod p { margin: 0; color: inherit; opacity: 0.86; }

.cta-band {
  background: var(--navy);
  color: #fff;
  padding: 5.2rem 0 4.2rem;
}
.cta-band h2 { margin-bottom: 0.6rem; }
.cta-band p { color: #c5d2e0; max-width: 34rem; margin: 0 0 1.4rem; }

footer {
  padding: 1.4rem 0;
  color: var(--muted);
  font-size: 0.86rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.footer-inner img {
  height: 36px;
  width: auto;
}

@media (max-width: 920px) {
  .nav-links { display: none; }
  .hero-grid, .split, .steps, .verts, .mods { grid-template-columns: 1fr; }
  .hero { padding-top: 1.25rem; }
  .cam {
    width: 100%;
    max-height: none;
    margin: 0 auto;
  }
}