/* Hospital AI — landing page. Palette and fonts match the mobile app (app_colors.dart). */
:root {
  --primary: #18B6F6;
  --primary-deep: #0B6DFF;
  --accent: #35D6FF;
  --bg: #F7FAFC;
  --surface: #FFFFFF;
  --surface-2: #EEF5FA;
  --text: #0F172A;
  --text-2: #64748B;
  --border: #E2E8F0;
  --on-primary: #FFFFFF;
  --link: #0B6DFF;
  --danger: #DC2626;
  --danger-soft: #FEF2F2;
  --danger-border: #FECACA;
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.18);
  --focus: #0B6DFF;
  --grad: linear-gradient(120deg, #0B6DFF 0%, #18B6F6 55%, #35D6FF 100%);
  --radius: 18px;
  --font: "Plus Jakarta Sans", "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #020B2D;
  --surface: #0F1738;
  --surface-2: #0A1235;
  --text: #F8FAFC;
  --text-2: #A5B4CB;
  --border: #1E2A55;
  --link: #35D6FF;
  --danger: #F87171;
  --danger-soft: #2A0F1C;
  --danger-border: #5B1E2E;
  --shadow: 0 14px 40px -16px rgba(0, 0, 0, 0.6);
  --focus: #35D6FF;
  color-scheme: dark;
}

/* Language switching: both languages ship in the HTML, the inactive one is hidden. */
html[lang="ar"] .t-en,
html[lang="en"] .t-ar { display: none !important; }
html[lang="ar"] { --font: "IBM Plex Sans Arabic", "Plus Jakarta Sans", system-ui, "Segoe UI", sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color .2s ease, color .2s ease;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--link); }
h1, h2, h3 { line-height: 1.25; margin: 0; }
p { margin: 0; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 10px; }

.container { width: 100%; max-width: 1160px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 640px) { .container { padding-inline: 24px; } }

.skip-link {
  position: absolute; inset-inline-start: 12px; top: -60px; z-index: 100;
  background: var(--surface); color: var(--text); padding: 10px 14px; border-radius: 10px;
  box-shadow: var(--shadow); text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* ── Top bar ─────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; gap: 12px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); flex-shrink: 0; }
.brand-logo { border-radius: 10px; }
.brand-name { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.1rem; letter-spacing: -0.01em; }
.topnav { display: none; gap: 4px; margin-inline-start: 12px; }
.topnav a { color: var(--text-2); text-decoration: none; font-weight: 500; padding: 8px 12px; border-radius: 10px; }
.topnav a:hover { color: var(--text); background: var(--surface-2); }
@media (min-width: 900px) { .topnav { display: flex; } }
.topbar-actions { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; }

.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px;
  border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: 700 0.95rem/1 var(--font); cursor: pointer;
}
.icon-btn:hover { border-color: var(--primary); }
.ico-sun { display: none; }
:root[data-theme="dark"] .ico-sun { display: block; }
:root[data-theme="dark"] .ico-moon { display: none; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: 14px;
  font: 700 1rem/1.2 var(--font); text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { min-height: 44px; padding: 8px 16px; font-size: 0.95rem; white-space: nowrap; }
@media (max-width: 400px) { .brand-name { display: none; } .btn-sm { padding: 8px 12px; } .topbar-actions { gap: 6px; } }
/* Deep blue fill keeps white text above WCAG AA contrast. */
.btn-primary { background: var(--primary-deep); color: var(--on-primary); box-shadow: 0 8px 22px -10px rgba(11, 109, 255, .8); }
.btn-primary:hover { background: #095fe0; }
.btn-outline { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); }
.btn-light { background: #FFFFFF; color: #0B3E8F; }
.btn-ghost-light { background: transparent; color: #FFFFFF; border-color: rgba(255, 255, 255, .7); }
.btn-ghost-light:hover { background: rgba(255, 255, 255, .12); }
.btn-light:focus-visible, .btn-ghost-light:focus-visible { outline-color: #FFFFFF; }

/* ── Hero ────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; padding: 48px 0 56px; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto -20%; height: 120%; z-index: -1;
  background:
    radial-gradient(40% 50% at 75% 30%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 70%),
    radial-gradient(35% 45% at 20% 10%, color-mix(in srgb, var(--primary-deep) 18%, transparent), transparent 70%);
}
.hero-grid { display: grid; gap: 40px; align-items: center; }
.hero-grid > *, .safety-grid > * { min-width: 0; }
@media (min-width: 960px) { .hero { padding: 72px 0 88px; } .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 56px; } }

.eyebrow {
  display: inline-block; margin-bottom: 16px; padding: 6px 12px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-2); font-size: 0.875rem; font-weight: 600;
}
h1 { font-size: clamp(2rem, 6.2vw, 3.6rem); font-weight: 800; letter-spacing: -0.02em; }
html[lang="ar"] h1 { letter-spacing: 0; line-height: 1.35; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin-top: 18px; font-size: clamp(1.05rem, 2.3vw, 1.2rem); color: var(--text-2); max-width: 36em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.fineprint { margin-top: 14px; font-size: 0.875rem; color: var(--text-2); }
@media (max-width: 420px) { .hero .cta-row .btn { flex: 1 1 100%; } }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: flex-end; gap: 0; min-height: 420px; }
.phone {
  margin: 0; border-radius: 34px; background: #020B2D; padding: 10px;
  box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, .06) inset;
}
.phone-real { width: min(250px, 62vw); position: relative; z-index: 1; }
.phone-real img { width: 100%; height: auto; border-radius: 26px; }
.phone-mock {
  width: min(240px, 58vw); margin-inline-start: -56px; margin-bottom: -18px; z-index: 2;
  background: var(--surface); border: 1px solid var(--border); padding: 16px 14px 18px;
  display: flex; flex-direction: column; gap: 10px; color: var(--text);
}
.mock-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: .9rem; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.mock-head img { border-radius: 7px; }
.bubble { padding: 10px 12px; border-radius: 16px; font-size: .85rem; line-height: 1.5; max-width: 92%; }
.bubble-user { align-self: flex-end; background: var(--primary-deep); color: #FFFFFF; border-end-end-radius: 4px; }
.bubble-ai { align-self: flex-start; background: var(--surface-2); color: var(--text); border-end-start-radius: 4px; }
.mock-card { margin-top: 2px; padding: 12px; border-radius: 14px; border: 1px solid var(--border); display: grid; gap: 4px; }
.mock-label { font-size: .75rem; color: var(--text-2); }
.mock-chip { justify-self: start; margin-top: 4px; padding: 6px 12px; border-radius: 999px; background: var(--grad); color: #FFFFFF; font-size: .8rem; font-weight: 700; }
@media (max-width: 520px) {
  /* Two overlapping phones must fit inside the 16px gutters: 50vw + 52vw - 12vw. */
  .hero-visual { min-height: 0; }
  .phone { border-radius: 26px; padding: 7px; }
  .phone-real { width: 50vw; }
  .phone-real img { border-radius: 20px; }
  .phone-mock { width: 52vw; margin-inline-start: -12vw; padding: 12px 10px 14px; gap: 8px; }
  .bubble { font-size: .78rem; padding: 8px 10px; }
  .mock-head { font-size: .82rem; }
}

/* ── Sections ────────────────────────────────────────────── */
.section { padding: 64px 0; }
.section-alt { background: var(--surface-2); }
.section-title { font-size: clamp(1.6rem, 4vw, 2.3rem); font-weight: 800; margin-bottom: 28px; letter-spacing: -0.01em; }
html[lang="ar"] .section-title { letter-spacing: 0; }

.grid { display: grid; gap: 16px; }
@media (min-width: 760px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-roles { grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); }
@media (min-width: 1100px) { .grid-roles { grid-template-columns: repeat(5, 1fr); } }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}
.card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--text-2); }
.card-icon {
  display: inline-grid; place-items: center; width: 46px; height: 46px; margin-bottom: 14px;
  border-radius: 14px; color: var(--primary-deep); background: color-mix(in srgb, var(--primary) 14%, transparent);
}
:root[data-theme="dark"] .card-icon { color: var(--accent); }
.role { display: flex; flex-direction: column; }
.role p { flex: 1; }
.tag {
  align-self: flex-start; margin-top: 14px; padding: 3px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600;
  color: var(--text-2); border: 1px solid var(--border);
}

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; counter-reset: none; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px;
}
.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.step p { color: var(--text-2); font-size: .95rem; }
.step-num {
  flex-shrink: 0; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px;
  background: var(--grad); color: #FFFFFF; font: 800 1rem/1 "Plus Jakarta Sans", sans-serif;
}
.step-urgent { border-color: var(--danger-border); background: var(--danger-soft); }
.step-urgent .step-num { background: var(--danger); }

/* Safety */
.safety-grid { display: grid; gap: 36px; align-items: center; }
@media (min-width: 960px) { .safety-grid { grid-template-columns: 1.25fr 0.75fr; gap: 56px; } }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.checklist li { position: relative; padding-inline-start: 34px; color: var(--text-2); }
.checklist li strong { color: var(--text); margin-inline-end: 4px; }
.checklist li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: 4px; width: 22px; height: 22px; border-radius: 7px;
  background: var(--primary-deep) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;
}
.emergency-mock {
  justify-self: center; width: 100%; max-width: 340px;
  background: var(--surface); border: 2px solid var(--danger-border); border-radius: 24px; padding: 22px;
  box-shadow: var(--shadow); display: grid; gap: 10px;
}
.em-head { display: flex; align-items: center; gap: 10px; color: var(--danger); font-weight: 800; font-size: 1.1rem; }
.em-text { color: var(--text-2); margin-bottom: 6px; }
.em-btn {
  display: block; text-align: center; padding: 12px; border-radius: 14px; font-weight: 700;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
}
.em-call { background: #B91C1C; border-color: #B91C1C; color: #FFFFFF; }

/* Numbers */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); gap: 14px; margin: 0; }
.stat {
  display: flex; flex-direction: column-reverse; gap: 4px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
}
.stat dd { margin: 0; font: 800 clamp(2rem, 5vw, 2.6rem)/1 "Plus Jakarta Sans", sans-serif; }
.stat dd { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat dt { color: var(--text-2); font-weight: 500; }
.note { margin-top: 16px; color: var(--text-2); font-size: .9rem; }

/* Stack */
.stack { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-start; }
html[dir="rtl"] .stack { justify-content: flex-end; }
.stack li {
  padding: 10px 18px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border);
  font-weight: 700; font-family: "Plus Jakarta Sans", sans-serif;
}
.stack small { font-weight: 500; color: var(--text-2); font-family: var(--font); }

/* Team */
.team-org { color: var(--text-2); margin-bottom: 20px; }
.team { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }
.member { display: grid; gap: 2px; padding: 16px 18px; border-radius: var(--radius); border: 1px dashed var(--border); background: var(--surface); }
.member-lead { border-style: solid; border-color: color-mix(in srgb, var(--primary) 50%, var(--border)); }
.member-role { font-size: .85rem; color: var(--text-2); }
.member-name { font-weight: 700; }

/* Final CTA */
.cta-final { padding-top: 16px; }
.cta-box {
  background: linear-gradient(120deg, #0A4FD6 0%, #0B6DFF 45%, #1189D8 100%);
  border-radius: 28px; padding: 40px 24px; text-align: center; color: #FFFFFF;
}
.cta-box h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; }
.cta-box .cta-row { justify-content: center; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 28px 0 36px; margin-top: 48px; }
.footer-inner { display: grid; gap: 8px; }
.disclaimer { font-weight: 600; }
.footer-meta { color: var(--text-2); font-size: .9rem; }
html[dir="rtl"] .footer-meta { text-align: right; }

@media (forced-colors: active) {
  .grad, .stat dd { color: CanvasText; background: none; }
}