/* =============================================
   SECUREFIVE – Feuille de style principale
   Palette : Anthracite #0E0E10 + Cyan #00D4FF
   ============================================= */

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

:root {
  --bg:          #0E0E10;
  --surface:     #17171A;
  --surface-2:   #1F1F23;
  --accent:      #00D4FF;
  --accent-soft: rgba(0, 212, 255, 0.08);
  --accent-mid:  rgba(0, 212, 255, 0.22);
  --text:        #F0F0F5;
  --text-muted:  #888898;
  --border:      rgba(255, 255, 255, 0.07);
  --radius:      6px;
  --max-w:       1100px;
  --header-h:    72px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
a:hover { opacity: 0.72; }

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

/* ── Layout ─────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Header ─────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(14, 14, 16, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  color: var(--text) !important;
  opacity: 1 !important;
}

.logo-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.20em;
  text-transform: uppercase;
}

.logo-sub {
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 4px;
}

.site-nav {
  display: flex;
  gap: 2.25rem;
  align-items: center;
}

.site-nav a {
  font-size: 0.80rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  transition: color 0.2s;
  opacity: 1;
}
.site-nav a:hover,
.site-nav a.active {
  color: var(--accent);
}

/* ── Hero ────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 5rem) 0 7rem;
}

/* Grille de fond subtile */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, black 30%, transparent 100%);
}

/* Lueur centrale */
.hero::after {
  content: '';
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.055) 0%, transparent 65%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(3.2rem, 7vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.04;
  color: var(--text);
  margin-bottom: 1.75rem;
}

.hero-tagline {
  font-size: clamp(1rem, 1.9vw, 1.3rem);
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.65;
  max-width: 540px;
}

/* ── Séparateur ──────────────────────────────── */
.section-divider {
  border: none;
  border-top: 1px solid var(--border);
}

/* ── Sections communes ───────────────────────── */
section {
  padding: 6.5rem 0;
}

.section-label {
  font-size: 0.70rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.18;
}

.section-intro {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.80;
}

/* ── Section Activités ───────────────────────── */
.activities {
  background: var(--surface);
}

.activities-header {
  margin-bottom: 3.5rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2rem 2rem 2.25rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px;
  height: 100%;
  background: var(--accent);
  opacity: 0.45;
  transition: opacity 0.3s ease;
}

.card:hover {
  border-color: rgba(0, 212, 255, 0.18);
  transform: translateY(-3px);
}
.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-soft);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent);
  font-size: 1.05rem;
  border: 1px solid var(--accent-mid);
}

.card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.7rem;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.90rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ── Section Filiale ─────────────────────────── */
.filiale-block {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  padding: 3rem 3rem;
  position: relative;
  overflow: hidden;
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
}

.filiale-block::after {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.filiale-label {
  font-size: 0.70rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.filiale-name {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

.filiale-desc {
  font-size: 0.93rem;
  color: var(--text-muted);
  max-width: 500px;
  line-height: 1.78;
}

.filiale-badge {
  background: var(--accent-soft);
  border: 1px solid var(--accent-mid);
  color: var(--accent);
  border-radius: 100px;
  padding: 0.45rem 1.1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}

/* ── Section Contact ─────────────────────────── */
.contact-section {
  background: var(--surface);
}

.contact-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact-inner .section-intro {
  margin: 0 auto 2.5rem;
  max-width: 440px;
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: #000 !important;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.9rem 2.2rem;
  border-radius: 100px;
  letter-spacing: 0.02em;
  opacity: 1 !important;
  transition: filter 0.2s, transform 0.2s;
}
.contact-cta:hover {
  filter: brightness(0.88);
  transform: translateY(-2px);
}

.contact-address {
  margin-top: 2.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 2;
  font-style: normal;
}

/* ── Footer ──────────────────────────────────── */
.site-footer {
  padding: 1.75rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.80rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.80rem;
  color: var(--text-muted);
  opacity: 1;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--accent);
}

/* ── Mentions légales ────────────────────────── */
.legal-page {
  padding: calc(var(--header-h) + 5.5rem) 0 7rem;
}

.legal-hero {
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.legal-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-top: 1rem;
  margin-bottom: 0.75rem;
}

.legal-hero .page-intro {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
}

.legal-block {
  margin-bottom: 2.75rem;
}

.legal-block h2 {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.legal-block p,
.legal-block address {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.85;
  font-style: normal;
}

.legal-block strong {
  color: var(--text);
  font-weight: 600;
}

.legal-block a {
  color: var(--accent);
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 768px) {
  .hero {
    padding-top: calc(var(--header-h) + 3.5rem);
    padding-bottom: 5rem;
  }

  .filiale-block {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .filiale-badge {
    align-self: flex-start;
  }

  section {
    padding: 5rem 0;
  }
}

@media (max-width: 520px) {
  .site-nav { gap: 1.5rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .logo-sub { display: none; }
}