/* ==========================================================================
   403 FORBIDDEN — Feuille de style
   ========================================================================== */

:root {
  --color-black: #0a0a0a;
  --color-black-soft: #121212;
  --color-surface: #17181a;
  --color-border: #2a2b2e;
  --color-white: #ffffff;
  --color-grey: #b4b6bb;
  --color-grey-dim: #7c7e84;
  --color-red: #e2001a;
  --color-red-dark: #a8001a;
  --color-red-light: #ff2d3c;

  --max-width: 1160px;
  --radius: 10px;
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-black);
  color: var(--color-white);
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 16px;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.15rem;
}

p {
  color: var(--color-grey);
  margin: 0 0 16px;
  text-align: justify;
}

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

.eyebrow {
  display: inline-block;
  color: var(--color-red-light);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.section {
  padding: 96px 0;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-red-light), var(--color-red-dark));
  color: var(--color-white);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-white);
}

.btn-ghost:hover {
  border-color: var(--color-red);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  height: 42px;
  width: auto;
  display: block;
}

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

.main-nav a {
  font-weight: 600;
  color: var(--color-grey);
  transition: color var(--transition);
}

.main-nav a:hover {
  color: var(--color-white);
}

.nav-cta {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* ---------- Hero ---------- */

.hero {
  padding: 120px 0 100px;
  background:
    radial-gradient(ellipse at top right, rgba(226, 0, 26, 0.18), transparent 55%),
    var(--color-black);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  max-width: 760px;
}

.hero h1 {
  font-size: 3rem;
  letter-spacing: -1px;
}

.hero-lead {
  font-size: 1.15rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* ---------- À propos ---------- */

.apropos-inner {
  max-width: 760px;
}

/* ---------- Expertises ---------- */

.expertises {
  background: var(--color-black-soft);
  border-bottom: 1px solid var(--color-border);
}

.expertises h2 {
  max-width: 640px;
}

.services-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: var(--color-red);
  transform: translateY(-4px);
}

.service-icon {
  color: var(--color-red);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.service-card h3 {
  color: var(--color-white);
}

.service-card p {
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- Missions marquantes ---------- */

.missions h2 {
  max-width: 640px;
}

.missions-list {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mission-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color var(--transition);
}

.mission-row:hover {
  border-color: var(--color-red);
}

.mission-index {
  flex: none;
  color: var(--color-red);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 1px;
  line-height: 1;
  min-width: 56px;
}

.mission-body h3 {
  color: var(--color-white);
  margin-bottom: 10px;
}

.mission-body p {
  font-size: 0.95rem;
  margin: 0;
  max-width: 760px;
}

/* ---------- Contact ---------- */

.contact-inner {
  max-width: 640px;
  text-align: center;
  margin: 0 auto;
}

.contact-lead {
  font-size: 1.05rem;
  text-align: center;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 32px 0;
}

.contact-row {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}

.contact-row-primary {
  justify-content: center;
}

.contact-row-secondary {
  justify-content: center;
  gap: 64px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

.contact-label {
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-grey-dim);
}

.contact-value {
  font-weight: 700;
  font-size: 1.05rem;
}

a.contact-item:hover .contact-value {
  color: var(--color-red-light);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  height: 30px;
  opacity: 0.85;
}

.footer-inner p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-grey-dim);
}

.footer-linkedin {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-grey);
  transition: color var(--transition);
}

.footer-linkedin:hover {
  color: var(--color-red-light);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .main-nav {
    display: none;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .section {
    padding: 64px 0;
  }

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

  .mission-row {
    flex-direction: column;
    gap: 12px;
  }

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