/* neuronetz.ai vertical landing pages — self-contained stylesheet.
   Same design tokens as the main site (site.css); this file carries only
   what these pages need, so they stay independent of main-page markup. */

:root {
  --bg: #f4f2ed;
  --bg-deep: #ebe8e1;
  --ink: #1a1816;
  --ink-soft: #4a453e;
  --ink-mid: #6b655b;
  --ink-faint: #8a847a;
  --line: #d4cfc5;
  --accent: #c25a0c;
  --brand: #ff6a00;
  --steel: #345e85;
  --accent-card: #a54c06; /* >=4.5:1 on --bg-deep */
  --grid: rgba(26, 24, 22, 0.04);
  --maxw: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--ink);
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- typography ---------- */

h1, h2, h3 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(40px, 5.4vw, 72px); line-height: 1.02; }
/* CJK: glyphs are ~2x wider — smaller scale, no mid-word breaks in the hero */
:lang(ja) h1 {
  font-size: clamp(26px, 4.3vw, 54px);
  line-height: 1.22;
  letter-spacing: 0;
  word-break: keep-all;
}
h2 { font-size: clamp(26px, 3vw, 38px);  line-height: 1.15; margin-bottom: 32px; max-width: 26ch; }
h3 { font-size: 20px; line-height: 1.25; margin-bottom: 10px; font-weight: 600; }

.lp-eyebrow,
.lp-card-eyebrow,
.lp-langs {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- header ---------- */

.lp-header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 24px 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}
.lp-logo img { display: block; height: 96px; width: auto; }
.lp-header-right { text-align: right; }
.lp-eyebrow { color: var(--ink-mid); margin-top: 10px; }
.lp-langs { display: flex; gap: 4px; justify-content: flex-end; }
.lp-langs a, .lp-langs .active {
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--ink-faint);
  text-decoration: none;
}
.lp-langs a:hover { color: var(--ink); border-color: var(--ink-soft); }
.lp-langs .active { background: var(--steel); color: var(--bg); border-color: var(--steel); }

/* ---------- hero ---------- */

.lp-hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 72px 24px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: center;
}
.lp-subline {
  max-width: 42ch;
  margin-top: 24px;
  font-size: 18px;
  color: var(--ink-soft);
}
.lp-hero-mark { display: flex; justify-content: center; }
.hexmark { width: 240px; height: 240px; }

.lp-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 15px 24px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-primary { background: var(--steel); color: var(--bg); border: 1px solid var(--steel); }
.btn-primary:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-secondary { background: transparent; color: var(--ink); border: 1px solid var(--ink-mid); }
.btn-secondary:hover { border-color: var(--brand); color: var(--accent); }
.btn-secondary svg { width: 15px; height: 15px; }
.btn-on-dark { color: var(--bg); border-color: var(--ink-faint); }
.btn-on-dark:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- sections ---------- */

.lp-section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 64px 24px;
}

.lp-cards-3, .lp-cards-2 {
  display: grid;
  gap: 20px;
}
.lp-cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lp-cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.lp-card {
  border: 1px solid var(--line);
  background: var(--bg-deep);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
}
.lp-card p { color: var(--ink-soft); font-size: 15px; }
.uc-icon { width: 30px; height: 30px; margin-bottom: 16px; }
.lp-result {
  margin-top: auto;
  padding-top: 16px;
  color: var(--accent-card) !important;
  font-weight: 500;
}
.lp-card-meta {
  margin-top: auto;
  padding-top: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mid) !important;
}
.lp-card-eyebrow { color: var(--accent-card); margin-bottom: 12px; }

.lp-card-dark { background: var(--ink); border-color: var(--ink); }
.lp-card-dark h3 { color: var(--bg); }
.lp-card-dark p { color: #b8b2a8; }
.lp-card-dark .lp-card-eyebrow { color: var(--brand); }

.lp-note {
  margin-top: 28px;
  max-width: 76ch;
  font-size: 14.5px;
  color: var(--ink-mid);
}
.lp-note strong { color: var(--ink); font-weight: 500; }

/* ---------- dark bands ---------- */

.lp-band { background: var(--ink); }
.lp-stats {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}
.lp-stat-number {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 64px;
  line-height: 1;
  color: var(--brand);
  display: block;
  margin-bottom: 10px;
}
.lp-stat p { color: #b8b2a8; font-size: 15px; max-width: 30ch; }

/* ---------- sovereignty grid ---------- */

.lp-sov-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 40px;
}
.lp-sov-item { display: flex; gap: 14px; align-items: flex-start; }
.lp-dot {
  flex-shrink: 0;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--brand);
  margin-top: 7px;
}
.lp-sov-item p { color: var(--ink-soft); font-size: 15.5px; }
.lp-sov-item strong { color: var(--ink); font-weight: 500; }

/* ---------- pilot ---------- */

.lp-pilot {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.lp-pilot-step {
  border-top: 3px solid var(--brand);
  background: var(--bg-deep);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  padding: 20px 20px 24px;
}
.lp-pilot-step h3 { font-size: 18px; }
.lp-pilot-step p { color: var(--ink-soft); font-size: 14.5px; }
.lp-pilot-step .lp-card-eyebrow { color: var(--steel); margin-bottom: 8px; }

/* ---------- CTA band ---------- */

.lp-cta-band {
  text-align: center;
  padding: 72px 24px;
}
.lp-cta-band h2 { color: var(--bg); margin: 0 auto 24px; }
.lp-contact { color: #b8b2a8; font-size: 15.5px; margin-bottom: 8px; }
.lp-mail { color: var(--brand); text-decoration: none; }
.lp-mail:hover { text-decoration: underline; }
.lp-phone { color: var(--bg); text-decoration: none; }
.lp-phone:hover { color: var(--brand); }
.lp-cta-band .btn-secondary { margin-top: 24px; }

/* ---------- footer ---------- */

.lp-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 24px 64px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--ink-mid);
}
.lp-footer p { margin-bottom: 8px; }
.lp-footer a { color: var(--ink-soft); }
.lp-footer a:hover { color: var(--accent); }
.lp-other { margin-top: 16px; }

/* ---------- mobile ---------- */

@media (max-width: 760px) {
  .lp-hero { grid-template-columns: 1fr; padding: 48px 24px 40px; gap: 32px; }
  .lp-hero-mark { order: 2; }
  .hexmark { width: 180px; height: 180px; }
  .lp-cards-3, .lp-cards-2, .lp-pilot, .lp-sov-grid, .lp-stats {
    grid-template-columns: 1fr;
  }
  .lp-section { padding: 48px 24px; }
  .lp-logo img { height: 72px; }
  .lp-header { flex-wrap: wrap; }
  .lp-header-right { text-align: left; }
  .lp-langs { justify-content: flex-start; }
  .lp-stat-number { font-size: 52px; }
}