/* EMI-43 landing — same palette as the app (frontend/src/lib/tokens.ts), logical properties only
   so Arabic mirrors correctly, 44px targets, visible focus, no third-party fonts. */
:root {
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-fg: #ffffff;
  --navy: #0f172a;
  --navy-2: #1e293b;
  --on-navy: #e2e8f0;
  --on-navy-muted: #94a3b8;
  --ink: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --surface: #ffffff;
  --canvas: #f8fafc;
  --tint: #ecfdf5;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 72px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Arabic", Tahoma, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--surface); line-height: 1.6; font-size: 17px; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.container { width: min(1120px, 100% - 2 * var(--space-2)); margin-inline: auto; }
.narrow { width: min(760px, 100% - 2 * var(--space-2)); }

.skip { position: absolute; inset-inline-start: var(--space-2); inset-block-start: -100px; z-index: 100; background: var(--accent); color: var(--accent-fg); padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); }
.skip:focus { inset-block-start: var(--space-1); }

/* ── Header ─────────────────────────────────────────────────────────────── */
.site-header { position: sticky; inset-block-start: 0; z-index: 50; background: rgba(15, 23, 42, 0.96); color: var(--on-navy); backdrop-filter: blur(6px); }
.header-row { display: flex; align-items: center; gap: var(--space-2); min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 20px; color: inherit; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--accent); color: var(--accent-fg); display: grid; place-items: center; font-weight: 800; }
.site-nav { margin-inline-start: auto; display: flex; align-items: center; gap: var(--space-2); }
.site-nav ul { display: flex; gap: var(--space-1); list-style: none; margin: 0; padding: 0; }
.site-nav ul a { display: inline-flex; align-items: center; min-height: 44px; padding-inline: 12px; text-decoration: none; color: var(--on-navy); border-radius: var(--radius-sm); font-weight: 500; }
.site-nav ul a:hover { background: var(--navy-2); }
.lang { display: flex; gap: 4px; }
.lang button { min-width: 44px; min-height: 44px; padding-inline: 8px; border-radius: var(--radius-sm); border: 1px solid #334155; background: transparent; color: var(--on-navy); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.menu-button { display: none; margin-inline-start: auto; min-height: 44px; padding-inline: var(--space-2); border-radius: var(--radius-sm); border: 1px solid #334155; background: transparent; color: var(--on-navy); font: inherit; font-weight: 600; cursor: pointer; }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding-inline: 22px; border-radius: var(--radius-sm); background: var(--accent); color: var(--accent-fg); font-weight: 700; text-decoration: none; border: 2px solid var(--accent); transition: background 0.15s; }
.button:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.button-small { min-height: 44px; padding-inline: 16px; font-size: 15px; }
.button-ghost { background: transparent; color: var(--on-navy); border-color: #475569; }
.button-ghost:hover { background: var(--navy-2); border-color: #64748b; }
.button-light { background: var(--surface); color: var(--accent-strong); border-color: var(--surface); }
.button-light:hover { background: var(--tint); border-color: var(--tint); }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero { background: radial-gradient(1200px 500px at 85% -10%, rgba(15, 118, 110, 0.35), transparent 60%), var(--navy); color: var(--on-navy); padding-block: var(--space-5); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-4); align-items: center; }
.eyebrow { color: #5eead4; font-weight: 700; font-size: 15px; letter-spacing: 0.02em; margin-block-end: var(--space-2); }
.hero h1 { font-size: clamp(36px, 5.6vw, 60px); color: #ffffff; letter-spacing: -0.02em; }
.lead { font-size: clamp(17px, 2vw, 20px); color: #cbd5e1; margin-block: var(--space-3) var(--space-4); max-width: 38em; }
.actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.hero-art { margin: 0; }
.hero-art svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.35)); }
.art-card { fill: #ffffff; }
.art-tile { fill: #f1f5f9; }
.art-line { fill: #cbd5e1; }
.art-strong { fill: #334155; }
.art-axis { stroke: #cbd5e1; stroke-width: 2; }
.art-bars rect { fill: var(--series-1); }
.art-bars-2 rect { fill: var(--series-2); }

/* ── Sections ───────────────────────────────────────────────────────────── */
.section { padding-block: var(--space-5); }
.section-alt { background: var(--canvas); }
.section h2 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -0.01em; margin-block-end: var(--space-2); }
.section-lead { color: var(--muted); font-size: 19px; max-width: 46em; margin-block-end: var(--space-4); }
.cards { display: grid; gap: var(--space-3); }
.cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-3); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04); }
.card h3 { font-size: 20px; margin-block-end: var(--space-1); }
.card p { color: var(--muted); }
.feature .dot { width: 36px; height: 36px; border-radius: 50%; background: var(--tint); color: var(--accent-strong); display: grid; place-items: center; font-weight: 800; margin-block-end: var(--space-2); }
#product h2 { margin-block-end: var(--space-4); }

.steps { list-style: none; counter-reset: step; padding: 0; margin: var(--space-4) 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.steps li { counter-increment: step; position: relative; padding-block-start: 64px; }
.steps li::before { content: counter(step); position: absolute; inset-block-start: 0; inset-inline-start: 0; width: 48px; height: 48px; border-radius: 50%; background: var(--accent); color: var(--accent-fg); display: grid; place-items: center; font-weight: 800; font-size: 20px; }
.steps h3 { font-size: 20px; margin-block-end: var(--space-1); }
.steps p { color: var(--muted); }

.chips { list-style: none; padding: 0; margin: var(--space-3) 0 0; display: flex; flex-wrap: wrap; gap: var(--space-1); }
.chips li { padding: 10px 20px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-weight: 600; }

.trust { list-style: none; padding: 0; margin: var(--space-3) 0 0; display: grid; gap: var(--space-2); }
.trust li { padding: var(--space-2) var(--space-3); border-inline-start: 4px solid var(--accent); background: var(--canvas); border-radius: var(--radius-sm); }

.cta { background: linear-gradient(135deg, var(--accent-strong), var(--accent)); color: var(--accent-fg); padding-block: var(--space-5); text-align: center; }
.cta-inner { display: grid; gap: var(--space-2); justify-items: center; }
.cta h2 { font-size: clamp(26px, 3.4vw, 38px); }
.cta p { color: #ccfbf1; font-size: 19px; margin-block-end: var(--space-1); }

.site-footer { background: var(--navy); color: var(--on-navy-muted); padding-block: var(--space-3); font-size: 15px; }
.footer-row { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.site-footer .brand { font-size: 16px; color: var(--on-navy); font-weight: 600; }
.site-footer .brand-mark { width: 28px; height: 28px; font-size: 14px; border-radius: 8px; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 520px; }
  .cards.three, .steps { grid-template-columns: 1fr 1fr; }
  .menu-button { display: inline-flex; align-items: center; }
  .site-nav { display: none; position: absolute; inset-inline: 0; inset-block-start: 68px; background: var(--navy); flex-direction: column; align-items: stretch; padding: var(--space-2); gap: var(--space-2); border-block-start: 1px solid #1e293b; }
  .site-nav.open { display: flex; }
  .site-nav ul { flex-direction: column; }
  .lang { justify-content: flex-start; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .cards.three, .steps { grid-template-columns: 1fr; }
  .hero, .section, .cta { padding-block: var(--space-4); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}