/* ===========================
   VECTEUR — THEME CSS
   =========================== */

:root {
  --bg-primary: #060b14;
  --bg-surface: #0d1526;
  --bg-card: #111d32;
  --fg-primary: #e8edf5;
  --fg-secondary: #8a9ab5;
  --fg-muted: #4d627a;
  --accent: #f0a500;
  --accent-dim: rgba(240, 165, 0, 0.12);
  --border: rgba(138, 154, 181, 0.1);
  --red: #ff5a5a;
  --amber: #f0a500;
  --green: #3ddb85;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(6, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--fg-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-header nav {
  display: flex;
  gap: 32px;
}

.site-header nav a {
  color: var(--fg-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.site-header nav a:hover {
  color: var(--fg-primary);
}

/* HERO */
.hero {
  padding: 160px 0 100px;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(240, 165, 0, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
  margin-bottom: 28px;
}

.hero-lede {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* HERO VISUAL */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.signal-orbs {
  position: absolute;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb {
  position: absolute;
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.orb-1 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(240, 165, 0, 0.08) 0%, transparent 70%);
  border: 1px solid rgba(240, 165, 0, 0.15);
  animation-delay: 0s;
}

.orb-2 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(61, 219, 133, 0.05) 0%, transparent 70%);
  border: 1px solid rgba(61, 219, 133, 0.1);
  animation-delay: 2s;
}

.orb-3 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(138, 154, 181, 0.04) 0%, transparent 70%);
  border: 1px solid rgba(138, 154, 181, 0.08);
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.04); opacity: 1; }
}

.scan-ring {
  position: absolute;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(240, 165, 0, 0.2);
  border-radius: 50%;
  animation: scan 4s linear infinite;
}

@keyframes scan {
  0% { transform: rotate(0deg); border-color: rgba(240, 165, 0, 0.3); }
  50% { transform: rotate(180deg); border-color: rgba(61, 219, 133, 0.3); }
  100% { transform: rotate(360deg); border-color: rgba(240, 165, 0, 0.3); }
}

/* BRIEFING CARD */
.briefing-card {
  position: relative;
  z-index: 2;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.briefing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.briefing-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.briefing-time {
  font-size: 12px;
  color: var(--fg-muted);
}

.briefing-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
}

.briefing-item:last-child {
  margin-bottom: 0;
}

.briefing-item--alert {
  border: 1px solid rgba(255, 90, 90, 0.15);
  background: rgba(255, 90, 90, 0.04);
}

.item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}

.dot-red { background: var(--red); }
.dot-amber { background: var(--amber); }
.dot-green { background: var(--green); }

.item-text {
  font-size: 13px;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* SECTION SHARED */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--fg-primary);
  margin-bottom: 64px;
}

/* HOW IT WORKS */
.how-it-works {
  padding: 120px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 64px;
}

.process-step {
  flex: 1;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.step-number {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-dim);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1;
}

.process-step h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.process-step p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.65;
}

.process-connector {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--fg-muted);
  padding-top: 40px;
  flex-shrink: 0;
}

.philosophy {
  max-width: 640px;
}

blockquote {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 22px;
  font-style: italic;
  color: var(--fg-secondary);
  line-height: 1.5;
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}

/* PLAYBOOK */
.playbook {
  padding: 120px 0;
  background: var(--bg-primary);
}

.monitor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.monitor-card {
  padding: 28px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s, transform 0.3s;
}

.monitor-card:hover {
  border-color: rgba(240, 165, 0, 0.3);
  transform: translateY(-4px);
}

.monitor-icon {
  color: var(--accent);
  margin-bottom: 16px;
}

.monitor-card h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.monitor-card p {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* CLOSING */
.closing {
  padding: 120px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.closing-content {
  max-width: 800px;
}

.closing-headline {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--fg-primary);
  margin-bottom: 24px;
}

.closing-body {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.7;
  margin-bottom: 48px;
}

.closing-value {
  display: flex;
  gap: 48px;
}

.value-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.value-item strong {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.value-item span {
  font-size: 13px;
  color: var(--fg-muted);
}

/* LEAD FORM */
.hero-cta {
  margin-top: 40px;
}

.lead-form {
  display: flex;
  gap: 10px;
  max-width: 440px;
}

.lead-form input[type="email"] {
  flex: 1;
  padding: 13px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg-primary);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.lead-form input[type="email"]::placeholder {
  color: var(--fg-muted);
}

.lead-form input[type="email"]:focus {
  border-color: var(--accent);
}

.lead-form button {
  padding: 13px 24px;
  background: var(--accent);
  color: #060b14;
  border: none;
  border-radius: 8px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.lead-form button:hover {
  opacity: 0.88;
}

.lead-form button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.lead-success {
  margin-top: 12px;
  font-size: 14px;
  color: var(--green);
  font-weight: 500;
}

.lead-error {
  margin-top: 10px;
  font-size: 13px;
  color: var(--red);
}

/* FOOTER */
.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand .wordmark {
  display: block;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--fg-muted);
}

.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* MOBILE */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .hero-visual {
    display: none;
  }

  .hero-stats {
    gap: 24px;
  }

  .process-flow {
    flex-direction: column;
  }

  .process-connector {
    display: none;
  }

  .process-step {
    margin-bottom: 16px;
  }

  .monitor-grid {
    grid-template-columns: 1fr;
  }

  .closing-value {
    flex-direction: column;
    gap: 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .section-inner,
  .header-inner {
    padding: 0 20px;
  }
}