/*
  Vecteur_AI — Styles principaux
  Palette: bleu, violet, blanc, touches néon
*/

:root {
  --bg: #0b0f1a;
  --bg-alt: #0f1524;
  --card: #121a2b;
  --text: #eaf0ff;
  --muted: #b9c3e3;
  --primary: #4f7cff;
  --secondary: #8a4fff;
  --neon: #39f5ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 50px rgba(7, 15, 30, 0.5);
  --glass: rgba(255, 255, 255, 0.04);
}

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

body {
  font-family: "Inter", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #121a2b 0%, #0b0f1a 45%, #080c15 100%);
  color: var(--text);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 20% 10%, rgba(79, 124, 255, 0.15), transparent 40%),
              radial-gradient(circle at 80% 20%, rgba(138, 79, 255, 0.18), transparent 45%),
              radial-gradient(circle at 50% 90%, rgba(57, 245, 255, 0.08), transparent 50%);
  z-index: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--neon);
  border: 1px solid rgba(57, 245, 255, 0.35);
  background: rgba(57, 245, 255, 0.08);
  margin-bottom: 16px;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(11, 15, 26, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.logo span {
  color: var(--neon);
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-weight: 500;
}

.nav-links a.active {
  color: var(--neon);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: white;
  font-weight: 600;
  border: none;
  box-shadow: 0 10px 30px rgba(79, 124, 255, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(79, 124, 255, 0.45);
  filter: brightness(1.05);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  box-shadow: none;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  padding: 70px 0 40px;
}

.hero-text h1 {
  font-size: clamp(2.1rem, 3.5vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-text span {
  color: var(--neon);
}

.hero-text p {
  color: var(--muted);
  margin-bottom: 28px;
}

.hero-subtitle {
  color: var(--muted);
  margin-top: -16px;
  font-size: 0.98rem;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-metrics {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.hero-metrics strong {
  display: block;
  font-size: 1.2rem;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.hero-card .glow {
  position: absolute;
  inset: -40% 30% auto auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(57, 245, 255, 0.4), transparent 70%);
}

.hero-card ul {
  list-style: none;
  margin: 20px 0 24px;
  color: var(--muted);
}

.hero-card li {
  margin-bottom: 10px;
  padding-left: 22px;
  position: relative;
}

.hero-card li::before {
  content: "•";
  color: var(--neon);
  position: absolute;
  left: 0;
}

.hero-proof {
  margin-top: 16px;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 70px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(15, 21, 36, 0.9), rgba(11, 15, 26, 0.95));
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background-image: linear-gradient(140deg, rgba(255, 255, 255, 0.02), transparent 60%);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(7, 15, 30, 0.6);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.card h3,
.card h2 {
  margin-bottom: 10px;
}

.card p,
.card ul {
  color: var(--muted);
}

.card ul {
  margin-top: 10px;
  padding-left: 18px;
}

.center {
  text-align: center;
  margin-top: 30px;
}

.trust {
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.logo-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.logo-strip span {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.pricing-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.pricing-card ul {
  margin: 16px 0 20px;
  color: var(--muted);
  padding-left: 18px;
}

.pricing-desc {
  color: var(--muted);
  margin-top: 6px;
}

.pricing-card.featured {
  border-color: rgba(57, 245, 255, 0.4);
  box-shadow: 0 26px 60px rgba(57, 245, 255, 0.12);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
}

.step span {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(79, 124, 255, 0.2);
  color: var(--neon);
  font-weight: 700;
  margin-bottom: 10px;
}

.highlight-box {
  background: linear-gradient(135deg, rgba(79, 124, 255, 0.15), rgba(138, 79, 255, 0.2));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.stack-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.stack-badges span {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(79, 124, 255, 0.15);
}

.testimonials .card {
  font-style: italic;
}

.faq {
  display: grid;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 20px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  color: var(--muted);
  margin-top: 8px;
}

.seo-text {
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.seo-text p {
  color: var(--muted);
  margin-top: 12px;
}

.cta-section {
  padding: 60px 0 80px;
}

.cta-box {
  background: linear-gradient(120deg, rgba(79, 124, 255, 0.2), rgba(138, 79, 255, 0.3));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 30px 80px rgba(10, 16, 30, 0.55);
}

.page-hero {
  padding: 60px 0 20px;
}

.page-hero h1 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.contact-form input,
.contact-form textarea {
  background: #0b1224;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(57, 245, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(57, 245, 255, 0.12);
}

.form-status {
  min-height: 22px;
  color: var(--neon);
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
}

.contact-highlight {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 50px;
  background: var(--bg-alt);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 22px;
}

.footer-grid a {
  display: block;
  color: var(--muted);
  margin-top: 6px;
}

@media (max-width: 768px) {
  .nav-links {
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero {
    padding-top: 40px;
  }

  .cta-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}