/* =========================================================
   AMARU DEEP-DIVE — style.css
   Palette: deep purple #1a0f2e · gold #d4af37
   ========================================================= */

/* ---- Reset & tokens ------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple-deep:   #1a0f2e;
  --purple-mid:    #2d1b5e;
  --purple-light:  #3d2878;
  --gold:          #d4af37;
  --gold-light:    #e8cc6a;
  --gold-dim:      #b8952e;
  --cream:         #f5f0e8;
  --text-main:     #e8e0f0;
  --text-muted:    #a090c0;
  --text-dim:      #7060a0;
  --border:        rgba(212,175,55,0.18);
  --glass:         rgba(45,27,94,0.55);

  --font-head:     'Cinzel', 'Palatino Linotype', Georgia, serif;
  --font-body:     'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;

  --radius:        12px;
  --radius-lg:     20px;
  --section-gap:   6rem;
  --content-max:   1100px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--purple-deep);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- Typography ---------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  letter-spacing: 0.03em;
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); color: var(--gold); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); color: var(--gold-light); margin-bottom: 1.2rem; }
h3 { font-size: 1.15rem; color: var(--gold); margin-bottom: 0.5rem; }
h4 { font-size: 0.95rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }

p { margin-bottom: 1rem; color: var(--text-main); }
a { color: var(--gold); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
a:hover { border-color: var(--gold); }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(212,175,55,0.08);
  padding: 0.12em 0.4em;
  border-radius: 4px;
  color: var(--gold-light);
}

strong { color: var(--gold-light); font-weight: 600; }

/* ---- Layout -------------------------------------------- */
.container { max-width: var(--content-max); margin: 0 auto; padding: 0 2rem; }

section { padding: var(--section-gap) 0; position: relative; }
section + section { border-top: 1px solid var(--border); }

/* ---- Skip link ----------------------------------------- */
.skip { position: absolute; left: -9999px; top: 1rem; z-index: 9999;
  padding: 0.5rem 1.25rem; background: var(--gold); color: var(--purple-deep);
  font-weight: 700; border-radius: 4px; }
.skip:focus { left: 1rem; }

/* ---- Nav ----------------------------------------------- */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(26,15,46,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--content-max); margin: 0 auto;
  padding: 0.8rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 0.7rem; font-family: var(--font-head); color: var(--gold); font-size: 1rem; font-weight: 700; }
.nav-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.nav-links a { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); border-bottom: none; transition: color 0.2s; }
.nav-links a:hover { color: var(--gold); }

/* ---- Hero ---------------------------------------------- */
#hero {
  padding: 5rem 0 4rem;
  border-top: none;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-text { }
.hero-eyebrow {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--gold-dim); margin-bottom: 1.2rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.hero-eyebrow::before { content: ''; display: block; width: 2rem; height: 1px; background: var(--gold-dim); }
.hero-tagline { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--text-muted); margin: 1.2rem 0 2rem; font-style: italic; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  background: var(--gold); color: var(--purple-deep); font-weight: 700;
  padding: 0.7rem 1.6rem; border-radius: 6px; font-size: 0.9rem;
  transition: background 0.2s, transform 0.15s; border-bottom: none;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }
.btn-secondary {
  border: 1px solid var(--border); color: var(--text-muted);
  padding: 0.7rem 1.6rem; border-radius: 6px; font-size: 0.9rem;
  transition: border-color 0.2s, color 0.2s; background: transparent;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

.hero-images {
  display: flex; flex-direction: column; align-items: center;
  gap: 1.5rem; position: relative;
}
.hero-img-wrap {
  position: relative;
  display: flex; justify-content: center;
}
.hero-img-wrap::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse, rgba(212,175,55,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-amaru-img {
  width: 220px; height: 220px; object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(212,175,55,0.35);
  box-shadow: 0 0 40px rgba(212,175,55,0.2);
}
.hero-brain-img {
  width: 160px; height: 160px; object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(212,175,55,0.2);
  opacity: 0.9;
}
.hero-connector {
  width: 1px; height: 2rem;
  background: linear-gradient(to bottom, rgba(212,175,55,0.6), transparent);
}

/* ---- Disclaimer pill ----------------------------------- */
.disclaimer-pill {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(212,175,55,0.08); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.35rem 1rem; font-size: 0.78rem;
  color: var(--text-muted); margin-bottom: 2rem;
}
.disclaimer-pill::before { content: '⚠'; font-size: 0.9rem; }

/* ---- Section labels ------------------------------------ */
.section-label {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--gold-dim); margin-bottom: 0.6rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.section-label::before { content: ''; display: block; width: 1.5rem; height: 1px; background: var(--gold-dim); }

/* ---- Chakra grid --------------------------------------- */
.chakra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}
.chakra-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  transition: border-color 0.25s, transform 0.2s;
  position: relative;
  overflow: hidden;
}
.chakra-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.chakra-card:hover { border-color: rgba(212,175,55,0.45); transform: translateY(-2px); }
.chakra-number {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--gold-dim);
  margin-bottom: 0.3rem; letter-spacing: 0.05em;
}
.chakra-name { font-family: var(--font-head); font-size: 1.15rem; color: var(--gold); margin-bottom: 0.2rem; }
.chakra-fn { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.6rem; }
.chakra-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; margin: 0; }
.chakra-cite {
  margin-top: 0.8rem;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-dim);
  display: flex; align-items: center; gap: 0.4rem;
}
.chakra-cite a { color: var(--text-dim); border-bottom-color: transparent; }
.chakra-cite a:hover { color: var(--gold); }

/* ---- Flow diagram -------------------------------------- */
.flow-wrap {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  margin-top: 2rem;
  overflow-x: auto;
}
.flow-svg-container { min-width: 700px; }

/* ---- Info cards ---------------------------------------- */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; margin-top: 2rem; }
.info-card {
  background: rgba(45,27,94,0.4); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.4rem;
}
.info-card .icon { font-size: 1.6rem; margin-bottom: 0.8rem; }
.info-card p { font-size: 0.88rem; color: var(--text-muted); margin: 0; }

/* ---- Iframe embed -------------------------------------- */
.iframe-container {
  background: var(--glass); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  margin-top: 2rem;
}
.iframe-header {
  padding: 0.8rem 1.2rem;
  background: rgba(45,27,94,0.6);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.7rem;
  font-size: 0.8rem; color: var(--text-muted);
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #4caf50;
  box-shadow: 0 0 6px #4caf50;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
iframe {
  width: 100%; height: 700px; border: none;
  display: block;
}

/* ---- Comparison table ---------------------------------- */
.table-wrap {
  overflow-x: auto; margin-top: 2rem;
  border: 1px solid var(--border); border-radius: var(--radius);
}
table {
  width: 100%; border-collapse: collapse;
  font-size: 0.88rem;
}
th {
  background: rgba(45,27,94,0.7);
  color: var(--gold); font-family: var(--font-head);
  padding: 1rem 1.2rem; text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 0.85rem 1.2rem; border-bottom: 1px solid rgba(212,175,55,0.07);
  color: var(--text-muted); vertical-align: top;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(212,175,55,0.03); }
td:first-child { color: var(--text-main); font-weight: 500; }
.check-yes { color: #4caf50; font-size: 1.1rem; }
.check-no { color: #e53935; font-size: 1.1rem; }
.check-partial { color: #ff9800; font-size: 0.85rem; }
.row-amaru td { background: rgba(212,175,55,0.05); }
.row-amaru td:first-child { color: var(--gold); }

/* ---- Not-this section ---------------------------------- */
.not-this-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-top: 2rem; }
.not-this-card {
  background: rgba(229,57,53,0.07); border: 1px solid rgba(229,57,53,0.2);
  border-radius: var(--radius); padding: 1.2rem;
}
.not-this-card h3 { color: #ef9a9a; font-size: 1rem; }
.not-this-card p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* ---- Citations ----------------------------------------- */
.citations-list { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; margin-top: 1.5rem; }
.citations-list li {
  background: rgba(45,27,94,0.4); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.9rem 1.2rem;
  font-size: 0.83rem;
}
.citations-list li a { color: var(--gold-light); }
.cite-label { font-family: var(--font-mono); color: var(--gold-dim); margin-right: 0.6rem; }

/* ---- Footer -------------------------------------------- */
footer {
  background: rgba(10,5,20,0.8);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}
.footer-inner {
  max-width: var(--content-max); margin: 0 auto; padding: 0 2rem;
  display: grid; grid-template-columns: 1fr auto;
  gap: 2rem; align-items: start;
}
.footer-brand { font-family: var(--font-head); color: var(--gold); margin-bottom: 0.4rem; }
.footer-tagline { font-size: 0.82rem; color: var(--text-dim); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.2rem; justify-content: flex-end; }
.footer-links a { font-size: 0.8rem; color: var(--text-dim); border-bottom: none; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  max-width: var(--content-max); margin: 2rem auto 0; padding: 1.5rem 2rem 0;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.75rem; color: var(--text-dim);
}

/* ---- Responsive ---------------------------------------- */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-images { flex-direction: row; justify-content: center; }
  .hero-amaru-img { width: 140px; height: 140px; }
  .hero-brain-img { width: 100px; height: 100px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

/* ---- Anim helpers -------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .chakra-card { transition: border-color 0.25s, transform 0.2s, box-shadow 0.2s; }
  .chakra-card:hover { box-shadow: 0 6px 24px rgba(212,175,55,0.1); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---- Gold accent bar ----------------------------------- */
.gold-bar { width: 3rem; height: 3px; background: var(--gold); border-radius: 2px; margin: 0.8rem 0 1.5rem; }

/* ---- Screenshot img ------------------------------------ */
.screenshot-img {
  width: 100%; border-radius: var(--radius); border: 1px solid var(--border);
  margin-top: 1.5rem; opacity: 0.9;
}