/* ACE Platform – Shared CSS System v1.0
   Self-hosted Inter font, purple palette, professional layout */

@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ace-purple: #a880f3;
  --ace-purple-light: #cdb3ff;
  --ace-purple-dim: #5a2394;
  --ace-surface: #0f0b18;
  --ace-surface-2: #16111f;
  --ace-surface-3: #1d1529;
  --ace-surface-card: #1a1326;
  --ace-text: #f0eaf9;
  --ace-text-soft: rgba(240, 234, 249, 0.68);
  --ace-text-muted: rgba(240, 234, 249, 0.45);
  --ace-warm: #f3d08d;
  --ace-warm-hover: #f5dba3;
  --ace-danger: #ef4444;
  --ace-safe: #10b981;
  --ace-blue: #3b82f6;
  --ace-line: rgba(168, 128, 243, 0.15);
  --ace-max-w: 1100px;
  --ace-radius: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--ace-surface);
  color: var(--ace-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.ace-container {
  max-width: var(--ace-max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Top Nav ── */
.ace-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 11, 24, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ace-line);
}
.ace-nav-inner {
  max-width: var(--ace-max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.ace-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ace-text);
}
.ace-nav-logo img {
  height: 28px;
  width: auto;
}
.ace-nav-logo span {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.ace-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.ace-nav-links a {
  color: var(--ace-text-soft);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.15s;
}
.ace-nav-links a:hover,
.ace-nav-links a.active {
  color: var(--ace-text);
}
.ace-nav-cta {
  background: var(--ace-warm);
  color: #0f0b18;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 0.15s;
}
.ace-nav-cta:hover {
  background: var(--ace-warm-hover);
}

/* ── Mobile nav ── */
.ace-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ace-text);
  font-size: 1.5rem;
  cursor: pointer;
}
@media (max-width: 768px) {
  .ace-nav-toggle { display: block; }
  .ace-nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--ace-surface-2);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--ace-line);
  }
  .ace-nav-links.open { display: flex; }
}

/* ── Hero ── */
.ace-hero {
  padding: 100px 0 80px;
  text-align: center;
}
.ace-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.ace-hero h1 .highlight {
  color: var(--ace-warm);
}
.ace-hero .sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--ace-text-soft);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.5;
}
.ace-hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  background: var(--ace-warm);
  color: #0f0b18;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--ace-warm-hover); }
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--ace-text);
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--ace-line);
  transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover {
  border-color: var(--ace-purple);
  color: var(--ace-purple-light);
}

/* ── Sections ── */
.ace-section {
  padding: 80px 0;
}
.ace-section + .ace-section {
  border-top: 1px solid var(--ace-line);
}
.ace-section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ace-purple);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.ace-section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
}
.ace-section .lead {
  font-size: 1.05rem;
  color: var(--ace-text-soft);
  max-width: 680px;
  line-height: 1.6;
  margin-bottom: 40px;
}

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--ace-surface-card);
  border: 1px solid var(--ace-line);
  border-radius: var(--ace-radius);
  padding: 24px;
  text-align: center;
}
.stat-card .value {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card .value.danger { color: var(--ace-danger); }
.stat-card .value.warn { color: var(--ace-warm); }
.stat-card .label {
  font-size: 0.82rem;
  color: var(--ace-text-soft);
  line-height: 1.4;
}
.stat-card .source {
  font-size: 0.7rem;
  color: var(--ace-text-muted);
  margin-top: 6px;
}

/* ── Three Columns ── */
.three-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.col-card {
  background: var(--ace-surface-card);
  border: 1px solid var(--ace-line);
  border-radius: var(--ace-radius);
  padding: 28px;
}
.col-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.col-card p {
  font-size: 0.92rem;
  color: var(--ace-text-soft);
  line-height: 1.55;
}
.col-card .incident {
  font-size: 0.78rem;
  color: var(--ace-text-muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--ace-line);
}

/* ── Spine Diagram ── */
.spine-section {
  text-align: center;
}
.spine-diagram {
  background: var(--ace-surface-card);
  border: 1px solid var(--ace-line);
  border-radius: var(--ace-radius);
  padding: 40px;
  margin: 32px auto;
  max-width: 800px;
  font-family: "Inter", monospace;
  font-size: 0.85rem;
  color: var(--ace-text-soft);
  line-height: 2;
  white-space: pre;
  overflow-x: auto;
}
.spine-caption {
  font-size: 1.05rem;
  color: var(--ace-text-soft);
  font-style: italic;
  margin-top: 16px;
}

/* ── Integration Matrix ── */
.integration-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}
.integration-side {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.integration-side .tool {
  background: var(--ace-surface-card);
  border: 1px solid var(--ace-line);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 0.88rem;
  text-align: center;
}
.integration-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 20px;
  color: var(--ace-purple);
  font-weight: 600;
  font-size: 0.95rem;
}
.integration-center .arrow {
  font-size: 1.2rem;
  color: var(--ace-text-muted);
}

/* ── Four Pillars ── */
.four-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.pillar-card {
  background: var(--ace-surface-card);
  border: 1px solid var(--ace-line);
  border-radius: var(--ace-radius);
  padding: 24px;
}
.pillar-card .pillar-label {
  font-size: 0.75rem;
  color: var(--ace-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.pillar-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.pillar-card p {
  font-size: 0.85rem;
  color: var(--ace-text-soft);
  line-height: 1.5;
}

/* ── Credibility Footer ── */
.ace-cred {
  text-align: center;
  padding: 60px 0 40px;
}
.ace-cred .cred-line {
  font-size: 1rem;
  color: var(--ace-text-soft);
  font-style: italic;
  margin-bottom: 32px;
}
.ace-cred .ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Footer ── */
.ace-footer {
  border-top: 1px solid var(--ace-line);
  padding: 32px 0;
  text-align: center;
}
.ace-footer p {
  font-size: 0.78rem;
  color: var(--ace-text-muted);
}
.ace-footer a {
  color: var(--ace-text-soft);
  text-decoration: none;
}
.ace-footer a:hover { color: var(--ace-text); }
.ace-footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 12px;
  list-style: none;
}
.ace-footer-links a {
  font-size: 0.8rem;
}

/* ── Standards Grid ── */
.standards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

/* ── Team Card ── */
.team-card {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  background: var(--ace-surface-card);
  border: 1px solid var(--ace-line);
  border-radius: var(--ace-radius);
  padding: 40px;
}
.team-avatar img {
  border-radius: 50%;
  width: 160px;
  height: 160px;
  object-fit: cover;
  border: 2px solid var(--ace-line);
}
.team-info h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.team-role {
  font-size: 1rem;
  color: var(--ace-purple);
  font-weight: 600;
  margin-bottom: 16px;
}
.team-bio {
  font-size: 0.95rem;
  color: var(--ace-text-soft);
  line-height: 1.6;
}
@media (max-width: 600px) {
  .team-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px;
    gap: 24px;
  }
}