/* HomeTPM · Standalone Website — CSS
   Vanilla, mobile-first, dark-mode-auto. No external deps.
   ---------------------------------------------------------------- */
:root {
  --brand: #2E7D5F;
  --brand-2: #4FAB84;
  --ink: #0F172A;
  --ink-2: #334155;
  --ink-3: #64748B;
  --line: #E2E8F0;
  --bg: #FFFFFF;
  --bg-2: #F8FAFC;
  --bg-3: #F1F5F9;
  --accent: #E8B75A;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 2px 12px rgba(15, 23, 42, 0.06);
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F1F5F9;
    --ink-2: #CBD5E1;
    --ink-3: #94A3B8;
    --line: #1E293B;
    --bg: #0F172A;
    --bg-2: #172033;
    --bg-3: #1E293B;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-soft: 0 2px 12px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Header ---- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
}

.brand-mark {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; letter-spacing: -0.2px; color: var(--ink);
  font-size: 17px;
}

.brand-mark .dot { width: 22px; height: 22px; border-radius: 6px; background: var(--brand); }
.nav-links { display: flex; gap: 18px; align-items: center; }
.nav-links a { color: var(--ink-2); font-size: 14px; font-weight: 500; }
.nav-links .lang {
  border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 10px; font-size: 13px;
  background: var(--bg-2); cursor: pointer; color: var(--ink);
}

@media (max-width: 640px) { .nav-links a:not(.lang) { display: none; } }

/* ---- Hero ---- */
.hero { max-width: var(--maxw); margin: 0 auto; padding: 64px 22px 36px; }
.hero-grid { display: grid; gap: 44px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.05fr 1fr; } }
.eyebrow {
  font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--brand); font-weight: 700;
}

h1.title {
  margin: 12px 0 14px; font-size: clamp(34px, 6vw, 56px);
  line-height: 1.05; letter-spacing: -1.1px; font-weight: 800;
  color: var(--ink);
}

.subtitle { font-size: 17px; color: var(--ink-2); max-width: 560px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px;
  font-weight: 700; font-size: 14px; letter-spacing: 0.2px;
  border: 1px solid transparent; cursor: pointer;
}

.btn-primary { background: var(--brand); color: #FFF; }
.btn-primary:hover { background: var(--brand-2); text-decoration: none; }
.btn-ghost { color: var(--ink); border-color: var(--line); background: var(--bg-2); }
.btn-ghost:hover { border-color: var(--brand); text-decoration: none; }
.pill-note {
  display: inline-block; margin-top: 12px;
  font-size: 12px; color: var(--ink-3);
  background: var(--bg-3); padding: 6px 12px; border-radius: 999px;
}

.hero-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-3); font-size: 13px; letter-spacing: 0.2px;
  overflow: hidden;
}

.hero-visual .placeholder {
  padding: 22px; text-align: center;
}

.hero-visual .placeholder strong { color: var(--ink-2); display: block; margin-bottom: 6px; }

/* ---- Sections ---- */
section { max-width: var(--maxw); margin: 0 auto; padding: 60px 22px; }
.section-title {
  font-size: clamp(24px, 3.4vw, 32px); line-height: 1.15;
  letter-spacing: -0.5px; margin: 0 0 8px; font-weight: 800; color: var(--ink);
}

.section-lead { color: var(--ink-2); max-width: 660px; margin-bottom: 36px; }

/* Features grid */
.features {
  display: grid; gap: 18px;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) { .features { grid-template-columns: 1fr 1fr; } }
.feature {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in oklab, var(--brand) 18%, transparent);
  color: var(--brand);
  font-size: 22px; margin-bottom: 14px;
}

.feature h3 { margin: 0 0 6px; font-size: 18px; color: var(--ink); }
.feature p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* How it works */
.steps { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  padding: 26px; border-radius: var(--radius-lg);
  background: var(--bg); border: 1px solid var(--line);
}

.step-num {
  display: inline-block; width: 30px; height: 30px; border-radius: 999px;
  background: var(--brand); color: #FFF; text-align: center; line-height: 30px;
  font-weight: 800; font-size: 14px; margin-bottom: 12px;
}

.step h4 { margin: 0 0 4px; font-size: 16px; }
.step p { margin: 0; color: var(--ink-2); font-size: 14px; }

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 18px 4px; cursor: pointer;
}

.faq summary {
  list-style: none; font-weight: 700; color: var(--ink);
  font-size: 16px; display: flex; justify-content: space-between; align-items: center;
}

.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; color: var(--ink-3); font-size: 22px; line-height: 1;
}

.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; color: var(--ink-2); font-size: 15px; }

/* About */
.about-grid { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .about-grid { grid-template-columns: 2fr 1fr; } }
.about-card {
  padding: 22px; border-radius: var(--radius);
  background: var(--bg-2); border: 1px solid var(--line);
}

.about-card h4 { margin: 0 0 6px; color: var(--ink); }
.about-card p { margin: 0; color: var(--ink-2); font-size: 14px; }

/* Legal pages typography */
.legal-page {
  max-width: 780px; margin: 0 auto; padding: 60px 22px;
}

.legal-page h1 {
  font-size: clamp(26px, 4vw, 40px); letter-spacing: -0.6px; margin: 0 0 4px;
}

.legal-page .updated { color: var(--ink-3); font-size: 13px; margin-bottom: 32px; }
.legal-page h2 {
  font-size: 17px; margin: 32px 0 8px; color: var(--ink);
}

.legal-page p { color: var(--ink-2); font-size: 15px; line-height: 1.7; margin: 0 0 12px; }

/* Footer */
footer.footer {
  border-top: 1px solid var(--line); background: var(--bg-2);
  margin-top: 40px; padding: 40px 22px;
}

.footer-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between;
}

.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: var(--ink-2); font-size: 14px; }
.footer-copy { color: var(--ink-3); font-size: 13px; }