/* ═══════════════════════════════════════════
   ARA Labs · Home Page Styles
   ═══════════════════════════════════════════ */

/* ── SECTION BASE ── */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem var(--page-px);
}
.section-caps { background: transparent; }
.section-header {
  display: flex; flex-direction: column; gap: 0.55rem; margin-bottom: 3rem;
}
.section-header.centered { align-items: center; text-align: center; }
h2 {
  font-size: clamp(1.9rem, 3.8vw, 2.7rem);
  font-weight: 700; letter-spacing: -0.025em; line-height: 1.1;
}
h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.45rem; }

/* ── HERO LOCKUP: mark left-aligned to wordmark ── */
.hero-lockup {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 2vw, 1.1rem);
  opacity: 0;
  animation: fadeUp 0.9s ease 0.38s forwards;
}
.hero-mark {
  /* Scale mark to match cap-height of the wordmark */
  width: clamp(56px, 10.5vw, 108px);
  height: clamp(56px, 10.5vw, 108px);
  object-fit: contain;
  flex-shrink: 0;
  /* Nudge down slightly so optical centre aligns with letter centre */
  margin-top: 0.04em;
}
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 3rem var(--page-px);
  position: relative; z-index: 10;
}

.hero-mark {
  width: clamp(80px, 14vw, 140px);
  height: clamp(80px, 14vw, 140px);
  object-fit: contain;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.15s forwards, markSpin 40s linear infinite, markGlow 3.5s ease-in-out infinite 2s;
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 0.6rem;
  border: 1px solid var(--accent-border);
  padding: 0.32rem 0.9rem; border-radius: var(--r-sm);
  margin-bottom: 2.5rem;
  opacity: 0; animation: fadeUp 0.8s ease 0.2s forwards;
}
.hero-eyebrow-sep { color: var(--text-muted); font-size: 0.82rem; }

.hero-wordmark {
  font-size: clamp(5.5rem, 17vw, 14rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 0.93;
  /* animation handled by parent .hero-lockup */
}
.hero-wordmark .dot { color: var(--accent); animation: blink 3.5s ease-in-out infinite 2s; }

.hero-tagline {
  display: flex; align-items: center; gap: 1rem;
  margin-top: 1.1rem;
  opacity: 0; animation: fadeUp 0.9s ease 0.55s forwards;
}
.tagline-rule { width: 26px; height: 1px; background: var(--accent-dim); flex-shrink: 0; }
.tagline-text {
  font-family: var(--font-mono); font-size: clamp(0.54rem, 1.8vw, 0.76rem);
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-secondary);
}
.tagline-text em { font-style: normal; color: rgba(200,235,228,0.78); }

.hero-lede {
  font-family: var(--font-mono); font-size: clamp(0.72rem, 1.6vw, 0.88rem);
  font-weight: 300; line-height: 1.85; color: var(--text-secondary);
  max-width: 520px; margin: 2rem auto 0;
  opacity: 0; animation: fadeUp 0.9s ease 0.72s forwards;
}

.hero-actions {
  display: flex; gap: 0.9rem; margin-top: 2.2rem;
  flex-wrap: wrap; justify-content: center;
  opacity: 0; animation: fadeUp 0.9s ease 0.9s forwards;
}

/* ── HERO STRIP ── */
.hero-strip {
  display: grid; grid-template-columns: repeat(4,1fr);
  width: 100%; max-width: 920px;
  margin-top: 3.5rem;
  border-top: 1px solid var(--accent-border);
  border-bottom: 1px solid var(--accent-border);
  opacity: 0; animation: fadeUp 0.9s ease 1.1s forwards;
}
.strip-item {
  padding: 1.6rem 1.4rem; text-align: center;
  border-right: 1px solid var(--accent-border);
}
.strip-item:last-child { border-right: none; }
.strip-value {
  font-size: 1.1rem; font-weight: 700; color: var(--accent);
  letter-spacing: -0.01em; margin-bottom: 0.5rem;
}
.strip-label {
  font-family: var(--font-mono); font-size: 0.88rem; font-weight: 300;
  letter-spacing: 0.04em; color: rgba(200,235,228,0.72); line-height: 1.6;
}

/* ── PROBLEM SECTION ── */
.problem-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start;
}
.problem-prose p {
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 300;
  line-height: 1.9; color: var(--text-secondary); margin-bottom: 1.1rem;
}
.problem-prose em { font-style: normal; color: var(--accent); }

.problem-diagram { display: flex; flex-direction: column; gap: 1px; }
.diag-row {
  border: 1px solid var(--accent-border);
  background: rgba(13,32,32,0.45);
  padding: 1.4rem;
}
.diag-row.with { border-color: var(--accent-border2); background: var(--accent-faint); }
.diag-label {
  font-family: var(--font-mono); font-size: 0.80rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.85rem;
}
.diag-label.accent { color: var(--accent); }
.diag-flow { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.diag-box {
  font-family: var(--font-mono); font-size: 0.90rem; font-weight: 300;
  border: 1px solid var(--accent-border); padding: 0.35rem 0.7rem;
  color: var(--text-secondary); border-radius: var(--r-sm);
}
.diag-box.faded { opacity: 0.45; border-style: dashed; }
.diag-box.accent-box { color: var(--accent); border-color: var(--accent-dim); font-weight: 500; }
.diag-box.accent-box-dim { font-size: 0.86rem; color: var(--accent); border-color: var(--accent-border2); flex: 1; text-align: center; }
.diag-box.wide { flex: 1; text-align: center; }
.diag-arrow { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); }
.diag-arrow.accent-arrow { color: var(--accent); }
.diag-gap {
  font-family: var(--font-mono); font-size: 0.84rem; font-weight: 300;
  color: rgba(200,100,80,0.65); line-height: 1.5; margin-top: 0.5rem;
}
.diag-mode { margin-bottom: 1.1rem; }
.diag-mode:last-of-type { margin-bottom: 0; }
.diag-mode-label {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent); opacity: 0.7; margin-bottom: 0.55rem;
}
.diag-mode-note {
  font-family: var(--font-mono); font-size: 0.79rem; font-weight: 300;
  color: var(--text-secondary); line-height: 1.6; margin-top: 0.4rem;
}

/* ── CAPS GRID ── */
.caps-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 1px; background: var(--accent-border);
  border: 1px solid var(--accent-border);
}
.cap-card {
  background: var(--bg-deep); padding: 2rem 1.7rem;
  transition: background 0.22s;
}
.cap-card:hover { background: var(--accent-faint); }
.cap-icon {
  width: 30px; height: 30px;
  border: 1px solid var(--accent-border2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.1rem; border-radius: var(--r-sm); color: var(--accent);
}
.cap-icon svg { width: 15px; height: 15px; }
.cap-card p {
  font-family: var(--font-mono); font-size: 0.85rem; font-weight: 300;
  line-height: 1.78; color: var(--text-secondary); margin-bottom: 0.9rem;
}
.cap-outcome {
  font-family: var(--font-mono); font-size: 0.84rem; font-weight: 300;
  color: var(--accent); line-height: 1.55;
  padding-top: 0.7rem; border-top: 1px solid var(--accent-border);
}

/* ── REGULATORY BANNER ── */
.reg-banner {
  border: 1px solid var(--accent-border2);
  background: rgba(64,200,168,0.04);
  padding: 2.5rem;
  display: flex; gap: 2.5rem; flex-wrap: wrap;
  align-items: flex-start; justify-content: space-between;
}
.reg-left { flex: 1; min-width: 220px; }
.reg-heading { font-size: 1.7rem; margin: 0.5rem 0 0.8rem; line-height: 1.15; }
.reg-body {
  font-family: var(--font-mono); font-size: 0.85rem; font-weight: 300;
  color: var(--text-secondary); line-height: 1.75;
}
.reg-badges { display: flex; flex-direction: column; gap: 0.55rem; min-width: 200px; justify-content: center; }
.reg-actions { display: flex; flex-direction: column; gap: 0.7rem; justify-content: center; }

/* ── BLOG PREVIEW ── */
.blog-preview-grid {
  display: grid; grid-template-columns: 3fr 2fr; gap: 1px;
  background: var(--accent-border); border: 1px solid var(--accent-border);
}
.blog-featured-card {
  background: var(--bg-deep); padding: 2.2rem;
  text-decoration: none; color: inherit;
  display: block; transition: background 0.22s;
}
.blog-featured-card:hover { background: var(--accent-faint); }
.post-tag {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.6rem;
}
.post-title-lg {
  font-size: 1.2rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.75rem;
}
.post-excerpt {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 300;
  line-height: 1.75; color: var(--text-secondary); margin-bottom: 1rem;
}
.post-meta-row {
  display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 0.80rem; color: var(--text-muted);
}
.post-dot { color: var(--accent-border2); }
.post-read-more {
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent); margin-top: 1.2rem;
}

.blog-list-aside { display: flex; flex-direction: column; background: var(--bg-deep); }
.blog-aside-item {
  padding: 1.5rem; border-bottom: 1px solid var(--accent-border);
  text-decoration: none; color: inherit; display: block;
  transition: background 0.18s;
}
.blog-aside-item:last-child { border-bottom: none; }
.blog-aside-item:hover { background: var(--accent-faint); }
.post-title-sm { font-size: 0.88rem; font-weight: 600; line-height: 1.35; margin: 0.35rem 0 0.5rem; }
.post-meta-sm { font-family: var(--font-mono); font-size: 0.79rem; color: var(--text-muted); }

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .hero-strip { grid-template-columns: 1fr 1fr; }
  .strip-item:nth-child(2) { border-right: none; }
  .problem-layout { grid-template-columns: 1fr; gap: 2rem; }
  .caps-grid { grid-template-columns: 1fr 1fr; }
  .blog-preview-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero-strip { grid-template-columns: 1fr 1fr; }
  .caps-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .reg-banner { flex-direction: column; gap: 1.5rem; }
  .reg-actions { flex-direction: row; }
}