/* Skanna — site styles.
   Near-black canvas, one bold accent used as whole panels, wireframe mesh,
   sharp corners. System fonts only: no CDN, no external requests. */

/* Palette is the app's own, so the site and the product look like one thing.
   Values come straight from ui/theme/Theme.kt: background #0F1319,
   surface #161B22, surfaceVariant #262D36, outline #505863, primary #1B6FD0. */
:root {
  --black: #0f1319;
  --black-2: #161b22;
  --panel: #1d2430;
  --line: rgba(180, 196, 216, .12);
  --line-2: rgba(180, 196, 216, .22);

  --ink: #e8ecf1;
  --ink-soft: #bec6d1;
  --ink-dim: #7d8896;

  /* The blue end of the AVRTEC swish, same as the app's primary.
     --accent fills surfaces at a deep, desaturated value so a full-bleed panel
     reads as calm; --accent-bright is the app's actual button blue, kept for
     small solid controls only; --accent-text is the light tint the app uses in
     dark mode, because a solid blue on near-black is too dim to read. */
  --accent: #17395c;
  --accent-deep: #0f2a45;
  --accent-bright: #2a6ab0;
  --accent-text: #9dc0e8;

  --wrap: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.wrap.narrow { max-width: 820px; }

h1, h2, h3 { margin: 0 0 .5em; font-weight: 600; letter-spacing: -0.035em; line-height: 1.05; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3 { font-size: 1.08rem; letter-spacing: -0.015em; font-weight: 600; }
p { margin: 0 0 1em; }

/* Uppercase micro-label, the reference's main typographic device. */
.label {
  text-transform: uppercase; letter-spacing: .22em;
  font-size: .68rem; font-weight: 600; color: var(--ink-dim);
  margin: 0 0 18px;
}
.label.on-accent { color: rgba(255, 255, 255, .62); }

/* Leading sentence white, the rest grey — used for long statements. */
.two-tone { font-size: clamp(1.3rem, 2.5vw, 2rem); line-height: 1.28; letter-spacing: -0.025em; }
.two-tone .dim { color: var(--ink-dim); }

code {
  background: rgba(255,255,255,.06); border: 1px solid var(--line);
  padding: .12em .45em; font-size: .88em;
}

/* ---------------------------------------------------------------- mesh */

/* Wireframe floor. Two sets of lines on a perspective plane, faded out at the
   top so it reads as a horizon rather than a texture. */
.mesh {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 34%, #000 74%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 34%, #000 74%, transparent);
}
.mesh::before {
  content: ""; position: absolute; left: -60%; right: -60%; top: 10%; bottom: -40%;
  background-image:
    repeating-linear-gradient(to right, rgba(160,190,225,.085) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(to bottom, rgba(160,190,225,.085) 0 1px, transparent 1px 76px);
  transform: perspective(760px) rotateX(66deg);
  transform-origin: 50% 0;
  animation: mesh-drift 40s linear infinite;
}
@keyframes mesh-drift { to { background-position: 0 760px, 0 760px; } }

main, .site-header, .site-footer { position: relative; z-index: 1; }

/* ---------------------------------------------------------------- header */

.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(15, 19, 25, .84);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 24px; height: 31px; object-fit: contain; }
.brand-name {
  font-weight: 600; letter-spacing: .16em; text-transform: uppercase; font-size: .92rem;
}
.nav { display: flex; gap: 30px; }
.nav a {
  color: var(--ink-soft); text-decoration: none;
  font-size: .72rem; text-transform: uppercase; letter-spacing: .16em; font-weight: 600;
  transition: color .15s;
}
.nav a:hover { color: var(--accent-text); }

/* ---------------------------------------------------------------- wordmark */

.wordmark {
  text-align: center; padding: 56px 0 0;
  font-size: clamp(4rem, 17vw, 15rem);
  font-weight: 700; letter-spacing: .06em; line-height: .84;
  color: transparent;
  background: linear-gradient(180deg, rgba(255,255,255,.19), rgba(255,255,255,.02));
  -webkit-background-clip: text; background-clip: text;
  user-select: none;
}
.wordmark-sub {
  display: flex; justify-content: space-between; gap: 20px;
  text-transform: uppercase; letter-spacing: .18em; font-size: .68rem;
  font-weight: 600; color: var(--ink-soft); padding: 20px 0 0;
}
.wordmark-sub span { max-width: 22ch; line-height: 1.5; }
.wordmark-sub span:last-child { text-align: right; }

/* ---------------------------------------------------------------- buttons */

.btn {
  display: inline-flex; align-items: stretch; text-decoration: none;
  font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 700;
  border: 1px solid transparent;
}
.btn span { padding: 16px 26px; display: inline-flex; align-items: center; }
.btn i {
  font-style: normal; width: 52px; display: grid; place-items: center;
  border-left: 1px solid rgba(0,0,0,.22); font-size: 1rem;
  transition: background .16s;
}
.btn-primary { background: #fff; color: #0f1319; }
.btn-primary i { background: var(--accent-bright); color: #fff; border-left-color: transparent; }
.btn-primary:hover i { background: var(--accent); }

.btn-accent { background: var(--accent); color: #fff; }
.btn-accent i { border-left-color: rgba(255,255,255,.28); }
.btn-accent:hover { background: var(--accent-deep); }

.btn-outline { border-color: var(--line-2); color: var(--ink); }
.btn-outline i { border-left-color: var(--line-2); }
.btn-outline:hover { border-color: var(--accent-text); color: var(--accent-text); }

/* ---------------------------------------------------------------- hero */

.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 40px 28px 90px; }
.lede { color: var(--ink-soft); font-size: 1.05rem; max-width: 34em; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 32px 0 16px; }
.fineprint { font-size: .72rem; color: var(--ink-dim); text-transform: uppercase; letter-spacing: .14em; margin: 0; }

/* ---------------------------------------------------------------- phones */

.phones { position: relative; display: flex; justify-content: center; align-items: flex-end; gap: 14px; min-height: 470px; }
.phone {
  width: 190px; border-radius: 26px; padding: 7px; flex: none;
  background: #232b37; box-shadow: 0 26px 60px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.07);
}
.phone-screen { border-radius: 20px; overflow: hidden; font-size: .68rem; }
.phone-a { transform: translateY(26px) scale(.9); }
.phone-c { transform: translateY(26px) scale(.9); }

.scr { padding: 15px 13px; min-height: 340px; }
.scr-dark { background: #161b22; }
.scr-accent { background: var(--accent); color: #fff; }
.scr-accent .label { color: rgba(255,255,255,.62); }
.scr h4 { margin: 0 0 10px; font-size: .92rem; letter-spacing: -0.02em; font-weight: 600; }
.scr p { margin: 0; font-size: .64rem; line-height: 1.45; color: var(--ink-dim); }
.scr-accent p { color: rgba(255,255,255,.82); }

.ui-row { display: flex; gap: 8px; align-items: center; background: rgba(255,255,255,.05); padding: 7px; margin-bottom: 6px; }
.ui-thumb { width: 22px; height: 29px; flex: none; background: #e7ebf1; }
.ui-row b { display: block; font-size: .62rem; font-weight: 600; }
.ui-row i { font-style: normal; font-size: .56rem; color: var(--ink-dim); }
.ui-verified { margin-top: 10px; padding: 8px; text-align: center; font-size: .6rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; background: var(--accent); color: #fff; }

.ui-crop { position: relative; height: 190px; background: #1d2430; margin-bottom: 10px; }
.ui-page { position: absolute; inset: 13% 12%; background: #eef1f5; outline: 2px solid var(--accent-bright); }
.ui-dot { position: absolute; width: 8px; height: 8px; background: #fff; outline: 2px solid var(--accent-bright); }
.ui-mask { position: absolute; left: 16%; right: 28%; top: 40%; height: 14%; background: #0f1319; }

/* ---------------------------------------------------------------- sections */

.section { padding: 104px 0; }
.section-head { max-width: 46em; margin-bottom: 46px; }
.section-head p { color: var(--ink-soft); margin: 0; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cell { background: var(--black); padding: 34px 28px; transition: background .2s; }
.cell:hover { background: var(--panel); }
.cell h3 { margin-bottom: 8px; }
.cell p { margin: 0; color: var(--ink-soft); font-size: .93rem; }
.cell .num { display: block; font-size: .68rem; letter-spacing: .2em; color: var(--accent-text); margin-bottom: 22px; font-weight: 700; }

/* Full-bleed accent panel, the reference's signature move. */
.panel-accent {
  background: var(--accent); color: #fff;
  padding: 72px 0;
}
.panel-accent h2 { color: #fff; }
.panel-accent p { color: rgba(255,255,255,.84); }
.panel-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }
.panel-list { list-style: none; margin: 0; padding: 0; }
.panel-list li {
  padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.18);
  font-size: .95rem; display: flex; gap: 12px;
}
.panel-list li::before { content: "—"; opacity: .6; }
.panel-list li:last-child { border-bottom: 0; }

.panel-dark { background: var(--black-2); border-block: 1px solid var(--line); padding: 72px 0; }

/* ---------------------------------------------------------------- pricing */

.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.price-card { background: var(--black); padding: 38px 32px; }
.price-card.featured { background: var(--accent); color: #fff; }
.price-card.featured .label { color: rgba(255,255,255,.66); }
.price-card.featured .price-note { color: rgba(255,255,255,.84); }
.price-main { font-size: 1.7rem; font-weight: 600; letter-spacing: -0.03em; margin: 0 0 8px; }
.price-note { color: var(--ink-soft); font-size: .92rem; margin: 0; }

/* ---------------------------------------------------------------- faq */

details { border-bottom: 1px solid var(--line); padding: 20px 0; }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 18px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent-text); font-size: 1.3rem; line-height: 1; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin: 12px 0 0; color: var(--ink-soft); font-size: .94rem; }

/* ---------------------------------------------------------------- footer */

.site-footer { border-top: 1px solid var(--line); padding: 54px 0 32px; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 30px; }
.footer-mark { width: 22px; height: 29px; object-fit: contain; }
.footer-brand { font-weight: 600; letter-spacing: .16em; text-transform: uppercase; font-size: .88rem; margin: 8px 0 4px; }
.footer-nav { display: flex; gap: 26px; }
.footer-nav a { color: var(--ink-soft); text-decoration: none; font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; }
.footer-nav a:hover { color: var(--accent-text); }
.muted { color: var(--ink-dim); margin: 0; }
.small { font-size: .78rem; }
.link { color: var(--accent-text); font-weight: 600; text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ---------------------------------------------------------------- policy */

.policy { padding: 56px 0 90px; }
.policy h1 { font-size: clamp(2rem, 4vw, 3rem); }
.policy h2 { margin-top: 40px; font-size: 1.15rem; letter-spacing: -0.01em; }
.policy p, .policy li { color: var(--ink-soft); }
.policy ul { padding-left: 20px; }
.policy .updated { font-size: .88rem; }

/* ---------------------------------------------------------------- reveal */

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------------------------------------------------------- responsive */

@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; padding: 26px 28px 70px; }
  .phones { order: -1; min-height: 400px; }
  .phone-a, .phone-c { display: none; }
  .grid { grid-template-columns: 1fr 1fr; }
  .panel-grid { grid-template-columns: 1fr; gap: 30px; }
  .wordmark-sub { flex-direction: column; gap: 8px; }
  .wordmark-sub span:last-child { text-align: left; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav { display: none; }
  .grid, .price-grid { grid-template-columns: 1fr; }
  .section { padding: 66px 0; }
  .btn { width: 100%; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  .mesh::before { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}