/* LumaDICOM — site styles
   Dark premium iOS aesthetic, system fonts only. */

:root {
  --bg: #0A0B0D;
  --surface: #15171B;
  --surface-2: #1F2228;
  --text: #F2F3F5;
  --text-2: #A8AAB0;
  --text-3: #6B6E76;
  --accent: #7DBEE3;
  --danger: #FF6B6B;
  --hair: rgba(255, 255, 255, 0.07);
  --hair-2: rgba(255, 255, 255, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1120px;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: #a8d4ee; }

p { margin: 0 0 1em; color: var(--text-2); }
p strong { color: var(--text); font-weight: 600; }

h1, h2, h3, h4 {
  color: var(--text);
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(40px, 6.4vw, 72px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 700; }
h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.15; letter-spacing: -0.025em; }
h3 { font-size: 19px; line-height: 1.3; letter-spacing: -0.015em; }
h4 { font-size: 15px; letter-spacing: -0.005em; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Header ─────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  background: rgba(10, 11, 13, 0.72);
  border-bottom: 1px solid var(--hair);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 16px;
}
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background-image: url("assets/icon-64.png");
  background-size: cover;
  background-position: center;
  background-color: #000;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.10);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--hair);
  border-radius: 999px;
  padding: 3px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.lang-toggle button {
  appearance: none;
  background: transparent;
  color: var(--text-2);
  border: 0;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  transition: background .15s ease, color .15s ease;
}
.lang-toggle button.is-active {
  background: var(--text);
  color: var(--bg);
}
.lang-toggle button:not(.is-active):hover { color: var(--text); }

/* ── Hero ───────────────────────────── */
.hero {
  padding: clamp(56px, 9vw, 120px) 0 clamp(48px, 7vw, 96px);
  border-bottom: 1px solid var(--hair);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(125,190,227,0.18);
}
.hero h1 + .lede {
  font-size: clamp(20px, 1.8vw, 23px);
  line-height: 1.45;
  color: var(--text);
  font-weight: 500;
  letter-spacing: -0.012em;
  margin: 24px 0 14px;
  max-width: 32ch;
  text-wrap: pretty;
}
.lede-sub {
  font-size: 17px;
  color: var(--text-2);
  max-width: 46ch;
  margin: 0 0 36px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid var(--text);
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { background: #fff; color: var(--bg); transform: translateY(-1px); }
.btn .apple-glyph {
  width: 16px; height: 18px; flex: 0 0 auto;
  display: inline-block;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--hair-2);
}
.btn-ghost:hover { background: rgba(255,255,255,0.04); color: var(--text); border-color: rgba(255,255,255,0.22); }

.hero-meta {
  margin-top: 28px;
  font-size: 13px;
  color: var(--text-3);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* Hero device */
.device {
  position: relative;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1320 / 2868;
  margin: 0 auto;
  border-radius: 48px;
  background: #050608;
  box-shadow:
    0 0 0 1.5px rgba(255,255,255,0.07),
    0 1px 0 1.5px rgba(255,255,255,0.04) inset,
    0 60px 90px -40px rgba(0,0,0,0.7),
    0 30px 60px -30px rgba(125,190,227,0.18);
}
.device-screen {
  position: absolute;
  inset: 11px;
  border-radius: 38px;
  overflow: hidden;
  background: #0c0e12;
}
.device-screen img,
.device-screen image-slot {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  --image-slot-bg: #0c0e12;
  --image-slot-border: rgba(255,255,255,0.04);
}

/* ── Sections ───────────────────────── */
section {
  padding: clamp(72px, 9vw, 120px) 0;
  border-bottom: 1px solid var(--hair);
}
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head .eyebrow { margin-bottom: 18px; }
.section-head p {
  font-size: 19px;
  line-height: 1.5;
  color: var(--text-2);
  text-wrap: pretty;
  margin-top: 18px;
}
.section-head p strong { color: var(--text); }

/* ── Position (patients, not doctors) ─ */
.position-callout {
  border: 1px solid var(--hair-2);
  border-radius: var(--radius);
  padding: clamp(28px, 4vw, 44px);
  background: linear-gradient(180deg, var(--surface) 0%, #0e1014 100%);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.position-callout .badge-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.no-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.22);
  color: #ffb1b1;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  width: fit-content;
}
.no-badge::before {
  content: "";
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  background:
    linear-gradient(45deg, transparent 45%, currentColor 45%, currentColor 55%, transparent 55%);
}

/* ── Feature grid ───────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  padding: 28px;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.feature:hover {
  background: var(--surface-2);
  border-color: var(--hair-2);
  transform: translateY(-2px);
}
.feature .feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(125,190,227,0.10);
  border: 1px solid rgba(125,190,227,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--accent);
}
.feature h3 { margin-bottom: 8px; }
.feature p {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-2);
}

/* ── Gallery ────────────────────────── */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gallery-item {
  position: relative;
  aspect-ratio: 1284 / 2778;
  border-radius: 22px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--hair);
}
.gallery-item img,
.gallery-item image-slot {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  --image-slot-bg: #0c0e12;
  --image-slot-border: transparent;
}

/* ── Privacy callout block ──────────── */
.privacy-card {
  background: var(--surface);
  border: 1px solid var(--hair-2);
  border-radius: var(--radius);
  padding: clamp(36px, 5vw, 56px);
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
}
.privacy-card .lock-mark {
  width: 60px; height: 60px;
  border-radius: 16px;
  border: 1px solid var(--hair-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  background: rgba(125,190,227,0.06);
}
.privacy-card h3 { font-size: 22px; margin-bottom: 6px; }
.privacy-card p { margin: 0; font-size: 15px; max-width: 56ch; }
.privacy-card a.btn { white-space: nowrap; }

/* ── Disclaimer band ────────────────── */
.disclaimer {
  padding: 36px 0;
  border-bottom: 1px solid var(--hair);
}
.disclaimer-inner {
  border: 1px dashed var(--hair-2);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.disclaimer-mark {
  width: 28px; height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1.5px solid var(--text-3);
  color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}
.disclaimer p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-3);
  max-width: 90ch;
}
.disclaimer p strong { color: var(--text-2); font-weight: 600; }

/* ── Footer ─────────────────────────── */
.site-footer {
  padding: 48px 0 56px;
  border-top: 1px solid var(--hair);
}
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-links {
  display: flex;
  gap: 22px;
  font-size: 14px;
}
.footer-links a {
  color: var(--text-2);
}
.footer-links a:hover { color: var(--text); }
.footer-meta {
  font-size: 13px;
  color: var(--text-3);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Long-form pages (privacy / support) ─────────── */
.page-header {
  padding: clamp(56px, 8vw, 96px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--hair);
}
.page-header .updated {
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-3);
}

.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(48px, 7vw, 80px) 28px clamp(64px, 8vw, 96px);
}
.prose h2 {
  margin-top: 56px;
  margin-bottom: 14px;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  margin-top: 36px;
  margin-bottom: 8px;
  font-size: 17px;
  color: var(--text);
}
.prose p, .prose li {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-2);
}
.prose p { margin-bottom: 1em; }
.prose ul {
  padding-left: 22px;
  margin: 0 0 1em;
}
.prose ul li { margin-bottom: 6px; }
.prose ul li::marker { color: var(--text-3); }
.prose strong { color: var(--text); font-weight: 600; }
.prose .lede {
  font-size: 19px;
  color: var(--text);
  line-height: 1.55;
  margin-bottom: 8px;
  text-wrap: pretty;
}

.prose .disclaimer-block {
  margin-top: 64px;
  padding: 24px 24px;
  border: 1px solid var(--hair-2);
  border-radius: var(--radius);
  background: var(--surface);
}
.prose .disclaimer-block p {
  font-size: 14px;
  margin: 0;
  color: var(--text-3);
}
.prose .disclaimer-block strong { color: var(--text-2); }

/* ── Responsive ─────────────────────── */
@media (max-width: 1024px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  body { font-size: 16px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .device { max-width: 280px; }
  .position-callout { grid-template-columns: 1fr; }
  .privacy-card { grid-template-columns: 48px 1fr; }
  .privacy-card .lock-mark { width: 48px; height: 48px; border-radius: 12px; }
  .privacy-card a.btn { grid-column: 1 / -1; justify-self: start; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 0 22px; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .features { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; gap: 14px; }
}

/* ── Language switching ─────────────── */
[data-lang] { display: none; }
html[lang="ru"] [data-lang="ru"] { display: revert; }
html[lang="en"] [data-lang="en"] { display: revert; }
/* Inline variants for spans */
html[lang="ru"] span[data-lang="ru"],
html[lang="en"] span[data-lang="en"] { display: inline; }

/* Print-safe */
@media print {
  .site-header, .site-footer, .lang-toggle { display: none; }
  body { background: #fff; color: #000; }
}