:root {
  --navy: #07101f;
  --navy-2: #0c1a30;
  --card: rgba(15, 28, 48, 0.92);
  --line: rgba(255, 255, 255, 0.08);
  --text: #f4f7fb;
  --muted: #9aa8b8;
  --accent: #c9d4e0;
  --warn: #f5c16c;
  --ok: #8fd4b8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse at top, rgba(201, 212, 224, 0.12), transparent 46%),
    linear-gradient(180deg, #091732 0%, #0c1a30 40%, #07101f 100%);
  line-height: 1.5;
}

a {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
}

.wrap {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 5rem;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.brand strong {
  display: block;
  font-size: 1.05rem;
}

.brand span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav.chapters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.75rem;
}

nav.chapters a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.85rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

nav.chapters a[aria-current="page"] {
  background: var(--accent);
  color: #091732;
  border-color: transparent;
  font-weight: 600;
}

h1 {
  font-size: 1.85rem;
  line-height: 1.2;
  margin: 0 0 0.6rem;
}

h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.6rem;
}

h3 {
  font-size: 1.02rem;
  margin: 1.25rem 0 0.4rem;
}

p,
li {
  color: #d5dde6;
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin-top: 0;
}

.cards {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .cards.two {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1.1rem;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.card p,
.card ul {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.card img {
  display: block;
  margin-top: 0.5rem;
  border-radius: 12px;
}

.kicker {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.35rem;
}

ol.steps,
ul.check {
  padding-left: 1.2rem;
}

ol.steps li,
ul.check li {
  margin: 0.4rem 0;
}

.note,
.warn {
  border-radius: 14px;
  padding: 0.85rem 1rem;
  margin: 1rem 0;
  font-size: 0.92rem;
}

.note {
  background: rgba(143, 212, 184, 0.08);
  border: 1px solid rgba(143, 212, 184, 0.25);
}

.warn {
  background: rgba(245, 193, 108, 0.08);
  border: 1px solid rgba(245, 193, 108, 0.28);
}

.warn strong,
.note strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--text);
}

.shot {
  margin: 1rem 0 1.6rem;
  text-align: center;
}

.phone {
  width: min(100%, 280px);
  margin: 0 auto;
  padding: 10px 10px 14px;
  border-radius: 32px;
  background: #050b16;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.phone img {
  display: block;
  width: 100%;
  border-radius: 22px;
}

.cap {
  margin: 0.55rem auto 0;
  max-width: 22rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.url {
  display: block;
  margin: 0.75rem 0;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  word-break: break-all;
  font-size: 0.92rem;
  text-decoration: none;
}

.url:hover {
  border-color: rgba(201, 212, 224, 0.35);
}

.grid-who,
.grid-who {
  display: grid;
  gap: 0.65rem;
}

@media (min-width: 560px) {
  .grid-who,
  .grid-who {
    grid-template-columns: 1fr 1fr;
  }
}

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.print-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--accent);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  font-size: 0.8rem;
}

@media print {
  body {
    background: #fff;
    color: #111;
  }

  p,
  li,
  .lead,
  .cap,
  footer,
  .brand span {
    color: #222;
  }

  nav.chapters,
  .print-btn,
  .note,
  .warn,
  .card {
    break-inside: avoid;
  }

  .phone {
    box-shadow: none;
  }
}