/* UNMASK — public landing page. Uses the same tokens as the app (app.css). */

.landing-main { width: 100%; }
.l-wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.l-nav { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(1.4) blur(12px); }
.l-nav-inner { display: flex; align-items: center; gap: 28px; height: 60px; }
.l-links { display: flex; gap: 4px; flex: 1; }
.l-links a { color: var(--muted); padding: 6px 10px; border-radius: var(--radius-sm); font-weight: 500; }
.l-links a:hover { color: var(--text-strong); background: var(--hover); text-decoration: none; }

.btn-lg { height: 44px; padding: 0 20px; font-size: 15px; border-radius: 10px; }

/* Hero */
.l-hero { position: relative; overflow: hidden; padding: 80px 0 0; }
.l-glow { position: absolute; inset: -30% -10% auto; height: 720px; pointer-events: none;
  background: radial-gradient(40% 50% at 30% 30%, color-mix(in srgb, #10b981 22%, transparent), transparent 70%),
              radial-gradient(35% 45% at 75% 20%, color-mix(in srgb, #0ea5e9 18%, transparent), transparent 70%); }
.l-hero-inner { position: relative; text-align: center; display: flex; flex-direction: column; align-items: center; }
.l-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px 5px 8px; border-radius: 999px; margin: 0 0 22px;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font: 500 13px/1 var(--display); box-shadow: var(--shadow-sm); }
.mark-xs { width: 18px; height: 18px; }
.l-hero h1 { font-family: var(--display); font-size: clamp(38px, 6.2vw, 68px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 700; max-width: 14ch; margin: 0; }
.l-grad { background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.l-sub { font-size: 18px; line-height: 1.6; color: var(--muted); max-width: 62ch; margin: 22px 0 0; }
.l-cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.l-chips { list-style: none; display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; padding: 0; margin: 24px 0 0; color: var(--muted); font-size: 13.5px; }
.l-chips li { display: inline-flex; align-items: center; gap: 6px; }
.l-chips .icon { color: var(--accent); }

.l-shot { position: relative; margin: 56px auto 0; max-width: 1120px; border-radius: 16px 16px 0 0; overflow: hidden;
  border: 1px solid var(--border-strong); border-bottom: 0; background: var(--surface);
  box-shadow: 0 -10px 60px color-mix(in srgb, #10b981 18%, transparent), var(--shadow-lg); }
.l-shot-bar { display: flex; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.l-shot-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.l-shot img { display: block; width: 100%; height: auto; }

/* Tools strip */
.l-tools { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-elev); padding: 28px 0; }
.l-tools .l-kicker { text-align: center; margin-bottom: 14px; }
.l-tool-list { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0; padding: 0; }
.l-tool-list li { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: 500 13px/1.2 var(--display); }

/* Sections */
.l-section { padding: 96px 0; }
.l-alt { background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.l-kicker { font: 600 12.5px/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; }
.l-h2 { font-family: var(--display); font-size: clamp(26px, 3.4vw, 38px); line-height: 1.15; letter-spacing: -0.025em; max-width: 24ch; margin: 0 0 40px; }
.l-p { font-size: 16.5px; line-height: 1.65; color: var(--muted); max-width: 54ch; }
.landing h3 { font-family: var(--display); font-size: 17px; margin: 0 0 8px; letter-spacing: -0.01em; }
.landing .l-section p { color: var(--muted); line-height: 1.6; }

.l-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.l-steps li { padding: 26px; border-radius: 16px; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-sm); }
.l-step-num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; margin-bottom: 16px;
  background: var(--brand-gradient); color: #04241b; font: 700 15px/1 var(--display); }

.l-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.l-features article { padding: 26px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.l-features article:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.l-ico { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; margin-bottom: 16px;
  background: var(--accent-soft); color: var(--accent); }
.l-ico .icon { width: 20px; height: 20px; }

.l-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.l-demo { border-radius: 16px; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow); padding: 10px; }
.l-demo-row { display: grid; grid-template-columns: 12px 90px 1fr; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 10px; font-size: 14px; }
.l-demo-row + .l-demo-row { border-top: 1px solid var(--border); }
.l-demo-row strong { color: var(--text-strong); font-weight: 600; }
.l-demo-row span:last-child { color: var(--muted); }
.l-demo-row.warn { background: color-mix(in srgb, var(--warn) 9%, transparent); }
.l-demo-row.warn span:last-child { color: var(--warn); }
.l-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); }
.l-dot.warn { background: var(--warn); }

.l-trust, .l-uses { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.l-trust > div, .l-uses > div { padding: 22px; border-left: 2px solid var(--accent); background: color-mix(in srgb, var(--accent) 4%, transparent); border-radius: 0 12px 12px 0; }
.l-uses > div { border-left-color: var(--info); background: color-mix(in srgb, var(--info) 4%, transparent); }
.l-more { margin-top: 28px; }
.l-more a { font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

.l-faq-wrap { max-width: 820px; }
.l-faq details { border-bottom: 1px solid var(--border); }
.l-faq summary { cursor: pointer; list-style: none; padding: 18px 36px 18px 0; position: relative; font: 600 17px/1.4 var(--display); color: var(--text-strong); }
.l-faq summary::-webkit-details-marker { display: none; }
.l-faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font: 400 24px/1 var(--font); color: var(--accent); }
.l-faq details[open] summary::after { content: "–"; }
.l-faq p { margin: 0 0 18px; }

.l-final { position: relative; overflow: hidden; padding: 100px 0; text-align: center; color: #e8f4f0;
  background: radial-gradient(90% 120% at 50% 0%, #134e3f 0%, #0b1f22 50%, #081215 100%); }
.l-final-inner { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.mark-lg { width: 64px; height: 64px; }
.l-final h2 { font-family: var(--display); font-size: clamp(30px, 4.4vw, 48px); letter-spacing: -0.03em; color: #f1f7f5; margin: 0; }
.l-final p { color: #b9d1ca; margin: 0 0 8px; font-size: 17px; }
.l-final .btn-primary { background: #10b981; border-color: #10b981; color: #04241b; }
.l-final .btn-primary:hover { background: #34d399; border-color: #34d399; }

.l-footer { border-top: 1px solid var(--border); background: var(--bg-elev); padding: 48px 0 24px; font-size: 14px; }
.l-footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.l-footer-brand p { color: var(--muted); max-width: 34ch; margin: 12px 0 0; }
.l-footer nav { display: flex; flex-direction: column; gap: 8px; }
.l-footer nav h2 { font: 600 12px/1 var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); margin: 0 0 6px; }
.l-footer nav a { color: var(--muted); }
.l-footer nav a:hover { color: var(--text-strong); }
.l-footer-base { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 36px; padding-top: 20px;
  border-top: 1px solid var(--border); color: var(--faint); font-size: 13px; }

@media (max-width: 900px) {
  .l-links { display: none; }
  .l-nav-inner { justify-content: space-between; }
  .l-hero { padding-top: 56px; }
  .l-steps, .l-features { grid-template-columns: 1fr; }
  .l-split { grid-template-columns: 1fr; gap: 32px; }
  .l-trust, .l-uses { grid-template-columns: 1fr 1fr; }
  .l-footer-inner { grid-template-columns: 1fr 1fr; }
  .l-section { padding: 64px 0; }
}
@media (max-width: 560px) {
  .l-trust, .l-uses, .l-footer-inner { grid-template-columns: 1fr; }
  .l-wrap { padding: 0 16px; }
  .l-sub { font-size: 16px; }
  .l-demo-row { grid-template-columns: 12px 1fr; }
  .l-demo-row span:last-child { grid-column: 2; }
}
@media (prefers-reduced-motion: reduce) { .l-features article { transition: none; } .l-features article:hover { transform: none; } }