/* === TYPOGRAPHY & VARIABLES === */
:root {
  --bg: #f8f7f4;
  --bg-alt: #eeece8;
  --fg: #0a1f3d;
  --fg-muted: #5a6b7a;
  --accent: #00D4AA;
  --accent-dark: #00a888;
  --navy: #0a1f3d;
  --navy-light: #1a3561;
  --surface: #ffffff;
  --border: #ddd9d0;
  --radius: 12px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 247, 244, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.header-nav {
  display: flex;
  gap: 32px;
}
.header-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.header-nav a:hover { color: var(--fg); }

/* === SECTIONS === */
.section-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.section-headline em { font-style: italic; font-weight: 400; color: var(--accent-dark); }
.section-body {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-top: 20px;
  max-width: 600px;
}

/* === HERO === */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.4;
}
.hero-bg-glow {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.label-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--navy);
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero-headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent-dark);
}
.hero-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 40px;
}
.hero-scene {
  position: relative;
}
/* === TERMINAL UI === */
.scene-terminal {
  background: #0d1526;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(10,31,61,0.3), 0 8px 24px rgba(10,31,61,0.2);
  font-family: 'DM Mono', 'Fira Code', monospace;
}
.scene-topbar {
  background: #111d30;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.scene-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.scene-dot.red { background: #ff5f57; }
.scene-dot.yellow { background: #febc2e; }
.scene-dot.green { background: #28c840; }
.scene-label {
  margin-left: 12px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}
.scene-body { padding: 20px; }
.scene-standards {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.scene-standards span {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.25);
  padding: 3px 8px;
  border-radius: 4px;
}
.scene-event {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 16px;
}
.event-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: var(--accent);
  color: var(--navy);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.event-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #e8eaf0;
  margin-bottom: 14px;
}
.event-steps { margin-bottom: 16px; }
.step {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
  padding: 5px 10px;
  border-radius: 5px;
  margin-bottom: 4px;
  border-left: 2px solid transparent;
}
.step.done {
  color: rgba(255,255,255,0.5);
  border-left-color: rgba(0,212,170,0.4);
  background: rgba(0,212,170,0.05);
}
.step.done::before { content: '✓ '; color: var(--accent); }
.step.active {
  color: #fff;
  background: rgba(0,212,170,0.15);
  border-left-color: var(--accent);
}
.scene-prompt {
  background: rgba(0,212,170,0.07);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: 8px;
  padding: 12px;
}
.prompt-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(0,212,170,0.6);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.prompt-q {
  font-size: 0.8rem;
  color: #e8eaf0;
  margin-bottom: 10px;
}
.prompt-recorded {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  gap: 8px;
}
.prompt-tag {
  background: rgba(0,212,170,0.15);
  color: var(--accent);
  font-size: 0.6rem;
  padding: 2px 6px;
  border-radius: 3px;
}
/* === HERO STATS === */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 32px 0 0;
  border-top: 1px solid var(--border);
}
.stat-value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* === PLATFORM SECTION === */
.platform { padding: 96px 0; background: var(--surface); border-top: 1px solid var(--border); }
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 56px;
}
.pillar { display: flex; flex-direction: column; gap: 16px; }
.pillar-icon { width: 48px; height: 48px; }
.pillar-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 10px;
}
.pillar-body p { font-size: 0.9375rem; color: var(--fg-muted); line-height: 1.65; }

/* === STANDARDS SECTION === */
.standards { padding: 96px 0; background: var(--bg); }
.standards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.standards-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}
.std-badge {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(10,31,61,0.06);
}
.std-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 4px 20px rgba(10,31,61,0.06);
}
.std-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.std-bars { display: flex; flex-direction: column; gap: 14px; }
.std-bar-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  gap: 16px;
}
.std-bar-row span { font-size: 0.8rem; color: var(--fg-muted); white-space: nowrap; }
.bar { height: 6px; background: var(--bg-alt); border-radius: 3px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-dark)); border-radius: 3px; }

/* === PROBLEMS SECTION === */
.problems { padding: 96px 0; background: var(--navy); }
.problems-headline { color: #fff; }
.problems-headline em { color: var(--accent); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.problem-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.3s, background 0.3s;
}
.problem-card:hover {
  border-color: rgba(0,212,170,0.3);
  background: rgba(0,212,170,0.04);
}
.problem-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.problem-card p { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* === PILOT SECTION === */
.pilot { padding: 96px 0; background: var(--surface); border-top: 1px solid var(--border); }
.pilot-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.pilot-includes { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.includes-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--fg-muted);
}
.pilot-contact {
  margin-top: 32px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 12px;
}
.pilot-note {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-dark);
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.25);
  padding: 3px 10px;
  border-radius: 20px;
}
.pilot-timeline {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
}
.timeline-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 24px;
}
.timeline-steps { display: flex; flex-direction: column; gap: 24px; margin-bottom: 24px; }
.tl-step { display: flex; align-items: flex-start; gap: 16px; }
.tl-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.tl-title { font-size: 0.875rem; font-weight: 600; color: var(--navy); margin-bottom: 2px; }
.tl-desc { font-size: 0.8rem; color: var(--fg-muted); }
.tl-total {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--accent-dark);
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* === CLOSING === */
.closing { padding: 112px 0; background: var(--navy); }
.closing-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.closing-headline em { font-style: italic; font-weight: 400; color: var(--accent); }
.closing-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 40px;
}
.closing-standards {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.closing-standards span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 6px 14px;
  border-radius: 20px;
}

/* === FOOTER === */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 56px 0 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
  margin-bottom: 40px;
}
.footer-brand p { font-size: 0.875rem; color: var(--fg-muted); margin-top: 12px; max-width: 320px; }
.footer-wordmark { margin-bottom: 4px; }
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--fg); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .pillars { grid-template-columns: 1fr; gap: 32px; }
  .standards-grid { grid-template-columns: 1fr; gap: 48px; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .pilot-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section-inner { padding: 0 20px; }
  .hero-inner { padding: 0 20px; }
  .hero { padding: 64px 0 56px; }
  .hero-headline { font-size: 2.25rem; }
  .hero-stats { grid-template-columns: 1fr; gap: 20px; }
  .problem-grid { grid-template-columns: 1fr; }
  .std-bar-row { grid-template-columns: 1fr; gap: 6px; }
  .header-nav { display: none; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}