/* ══════════════════════════════════════════
   INDMA — style.css
   Charte : Marine #1A2E4A · Bleu #1A5FA8 · Accent #2D7DD2
   Typo   : DM Serif Display + DM Sans
══════════════════════════════════════════ */

:root {
  --marine:  #1A2E4A;
  --blue:    #1A5FA8;
  --accent:  #2D7DD2;
  --anthrac: #2E3A47;
  --neutral: #4A6080;
  --muted:   #8A9AB0;
  --pearl:   #F4F7FB;
  --light:   #EEF4FB;
  --border:  #C8D8EC;
  --white:   #FFFFFF;

  --serif: 'DM Serif Display', Georgia, serif;
  --sans:  'DM Sans', system-ui, sans-serif;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 2px 24px rgba(26,46,74,0.08);
  --shadow-md: 0 8px 40px rgba(26,46,74,0.12);
}

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

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

body {
  font-family: var(--sans);
  color: var(--marine);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.reveal.visible { opacity: 0.9; transform: none; }
.reveal-2 { transition-delay: 0.12s; }
.reveal-3 { transition-delay: 0.22s; }
.reveal-4 { transition-delay: 0.34s; }

/* ══════════════════════════════════════════
   NAV
══════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 32px;
  padding: 0 40px; height: 68px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.nav.scrolled {
  border-color: var(--border);
  box-shadow: 0 2px 20px rgba(26,46,74,0.06);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-weight: 700;
  letter-spacing: 0.05em; font-size: 15px;
  color: var(--marine);
}
.nav-wordmark { font-size: 15px; letter-spacing: 4px; font-weight: 700; }
.nav-links {
  display: flex; gap: 28px; margin-left: auto;
}
.nav-links a {
  font-size: 14px; font-weight: 400; color: var(--neutral);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1.5px; background: var(--blue);
  transform: scaleX(0); transition: transform 0.25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--marine); }
.nav-links a.active::after, .nav-links a:hover::after { transform: scaleX(1); }

.btn-nav {
  padding: 8px 20px;
  border: 1.5px solid var(--blue);
  border-radius: 8px;
  font-size: 13px; font-weight: 500;
  color: var(--blue);
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn-nav:hover { background: var(--blue); color: var(--white); }

.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-burger span {
  display: block; width: 22px; height: 1.5px; background: var(--marine);
  transition: transform 0.3s, opacity 0.3s;
}

/* ══════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════ */
.btn-primary {
  display: inline-flex; align-items: center;
  padding: 14px 28px;
  background: var(--marine);
  color: var(--white);
  border-radius: 10px;
  font-size: 14px; font-weight: 500;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--blue); transform: translateY(-1px); }
.btn-primary.btn-light { background: var(--white); color: var(--marine); }
.btn-primary.btn-light:hover { background: var(--pearl); }
.btn-primary.btn-full { width: 100%; justify-content: center; }

.btn-ghost {
  display: inline-flex; align-items: center;
  padding: 14px 28px;
  border: 1.5px solid rgba(255,255,255,0.35);
  color: var(--white);
  border-radius: 10px;
  font-size: 14px; font-weight: 400;
  transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

/* ══════════════════════════════════════════
   SECTION LABELS
══════════════════════════════════════════ */
.section-tag {
  display: inline-block;
  font-size: 11px; font-weight: 500;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  color: var(--marine);
  margin-bottom: 40px;
}
.section-title em { font-style: italic; color: var(--blue); }

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background: var(--marine);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 120px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  gap: 60px;
}

.hero-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: var(--marine);
}
.hero-hex-bg {
  position: absolute; right: -100px; top: -100px;
  width: 700px; opacity: 0.6;
}

.hero-content { position: relative; z-index: 1; }

.hero-tag {
  display: inline-block;
  font-size: 11px; font-weight: 500;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
}
.hero-title em { font-style: italic; color: var(--accent); }

.hero-sub {
  font-size: 16px; line-height: 1.7;
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
  max-width: 480px;
}

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

.hero-symbol {
  position: relative; z-index: 1;
  display: flex; justify-content: center; align-items: center;
}
.hero-symbol svg {
  width: 100%; max-width: 300px;
  filter: drop-shadow(0 20px 60px rgba(45,125,210,0.25));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ══════════════════════════════════════════
   STATS CARDS
══════════════════════════════════════════ */
.stats {
  background: var(--white);
  border-bottom: 0.5px solid var(--border);
  padding: 0;
}
.stats-inner {
  max-width: 1080px; margin: 0 auto; padding: 40px 32px;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-card {
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--pearl);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card-icon { width: 44px; height: 44px; flex-shrink: 0; margin-top: 2px; }
.stat-card-body { display: flex; flex-direction: column; gap: 2px; }
.stat-card-num {
  font-family: var(--serif);
  font-size: 36px; line-height: 1; color: var(--marine);
}
.stat-card-num span { font-size: 18px; color: var(--blue); font-family: var(--sans); font-weight: 500; }
.stat-card-label { font-size: 14px; font-weight: 500; color: var(--marine); margin-top: 6px; }
.stat-card-sub { font-size: 12px; color: var(--muted); line-height: 1.4; margin-top: 2px; }

/* ══════════════════════════════════════════
   PROPOSITION
══════════════════════════════════════════ */
.proposition {
  padding: 100px 0;
  background: var(--pearl);
}
.proposition-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.prop-card {
  background: var(--white);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: box-shadow 0.25s, transform 0.25s;
}
.prop-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.prop-icon { width: 44px; height: 44px; margin-bottom: 20px; }
.prop-card h3 {
  font-family: var(--serif);
  font-size: 20px; margin-bottom: 12px; color: var(--marine);
}
.prop-card p { font-size: 14px; line-height: 1.7; color: var(--neutral); }

/* ══════════════════════════════════════════
   SERVICES PREVIEW
══════════════════════════════════════════ */
.services-preview { padding: 100px 0; }
.services-list { display: flex; flex-direction: column; gap: 0; }
.service-item {
  display: grid;
  grid-template-columns: 56px 1fr 32px;
  gap: 24px; align-items: center;
  padding: 28px 0;
  border-bottom: 0.5px solid var(--border);
  transition: background 0.2s;
  cursor: pointer;
}
.service-item:first-child { border-top: 0.5px solid var(--border); }
.service-item:hover { background: var(--pearl); padding-left: 16px; margin: 0 -16px; padding-right: 16px; }
.service-num {
  font-family: var(--serif);
  font-size: 28px; color: var(--border);
  line-height: 1;
}
.service-body h3 {
  font-size: 18px; font-weight: 500; color: var(--marine);
  margin-bottom: 4px;
}
.service-body p { font-size: 14px; color: var(--neutral); line-height: 1.5; }
.service-arrow {
  font-size: 20px; color: var(--blue);
  transition: transform 0.2s;
}
.service-item:hover .service-arrow { transform: translateX(4px); }

/* ══════════════════════════════════════════
   CTA BAND
══════════════════════════════════════════ */
.cta-band {
  background: var(--marine);
  padding: 80px 32px;
}
.cta-band-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 40px;
  flex-wrap: wrap;
}
.cta-band-label {
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 8px;
}
.cta-band-title {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  color: var(--white); line-height: 1.2;
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  background: var(--pearl);
  border-top: 0.5px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex; align-items: center;
  gap: 32px; flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-name { font-weight: 700; font-size: 14px; letter-spacing: 3px; color: var(--marine); }
.footer-tag { font-size: 11px; color: var(--neutral); letter-spacing: 1px; }
.footer-nav { display: flex; gap: 24px; margin-left: auto; }
.footer-nav a { font-size: 13px; color: var(--neutral); transition: color 0.2s; }
.footer-nav a:hover { color: var(--marine); }
.footer-legal { font-size: 12px; color: var(--muted); }

/* ══════════════════════════════════════════
   PAGE HERO (sous-pages)
══════════════════════════════════════════ */
.page-hero {
  background: var(--marine);
  padding: 140px 0 80px;
}
.page-hero-sm { padding: 130px 0 60px; }
.page-hero-title {
  font-family: var(--serif);
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.12; color: var(--white);
  margin-bottom: 20px;
}
.page-hero-title em { font-style: italic; color: var(--accent); }
.page-hero-sub {
  font-size: 16px; color: rgba(255,255,255,0.6);
  max-width: 480px; line-height: 1.6;
}
.page-hero .section-tag { color: var(--accent); }

/* ══════════════════════════════════════════
   SERVICE SECTIONS
══════════════════════════════════════════ */
.service-section { padding: 90px 0; }
.service-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.service-grid-rev .service-info { order: 2; }
.service-grid-rev .service-visual { order: 1; }

.service-badge {
  font-family: var(--serif);
  font-size: 64px; color: var(--border);
  line-height: 1; margin-bottom: 8px;
}
.service-name {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 38px);
  color: var(--marine); margin-bottom: 20px;
}
.service-desc {
  font-size: 15px; line-height: 1.75;
  color: var(--neutral); margin-bottom: 28px;
}
.service-missions {
  display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 36px;
}
.service-missions li {
  display: flex; align-items: baseline; gap: 10px;
  font-size: 14px; color: var(--anthrac); line-height: 1.5;
}
.service-missions li::before {
  content: '';
  flex-shrink: 0; width: 6px; height: 6px;
  border-radius: 50%; background: var(--blue);
  margin-top: 2px;
}

.service-divider {
  border: none; border-top: 0.5px solid var(--border);
  margin: 0 40px;
}

/* ── Service visuals ── */
.service-card-stack {
  display: flex; flex-direction: column; gap: 16px;
}
.scard {
  background: var(--white);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
}
.scard-1 { transform: translateX(-16px); }
.scard-3 { transform: translateX(16px); }
.scard-label { font-size: 11px; color: var(--muted); letter-spacing: 1px; margin-bottom: 4px; }
.scard-value { font-size: 16px; font-weight: 500; color: var(--marine); margin-bottom: 12px; }
.scard-status {
  display: inline-block;
  padding: 4px 12px; border-radius: 20px;
  font-size: 11px; font-weight: 500;
}
.scard-status.ok { background: #E1F5EE; color: #0F6E56; }
.scard-status.accent { background: var(--light); color: var(--blue); }
.scard-bar {
  height: 4px; background: var(--border); border-radius: 2px; overflow: hidden;
}
.scard-bar span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  border-radius: 2px;
}

/* Radar */
.service-radar {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  background: var(--pearl);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
}
.service-radar svg { width: 100%; max-width: 220px; }
.radar-label { font-size: 12px; color: var(--muted); letter-spacing: 1px; }

/* Steps */
.service-steps {
  background: var(--pearl);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
  display: flex; flex-direction: column;
}
.step { display: flex; align-items: center; gap: 16px; }
.step-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--blue); flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(26,95,168,0.15);
}
.step-dot.accent {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(45,125,210,0.15);
}
.step-text { font-size: 14px; color: var(--anthrac); line-height: 1.5; }
.step-text strong { color: var(--marine); font-weight: 500; }
.step-line {
  width: 1.5px; height: 28px; background: var(--border);
  margin-left: 6px;
}

/* ══════════════════════════════════════════
   CONTACT
══════════════════════════════════════════ */
.contact-section { padding: 80px 0 100px; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}

/* Form */
.contact-form-wrap {
  background: var(--white);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 12px; font-weight: 500; letter-spacing: 0.5px;
  color: var(--anthrac); text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 0.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--sans); font-size: 14px;
  color: var(--marine); background: var(--pearl);
  transition: border-color 0.2s, background 0.2s;
  outline: none;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(26,95,168,0.1);
}
.form-group select { appearance: none; cursor: pointer; }

.form-success, .form-error {
  display: none; align-items: center; gap: 12px;
  padding: 16px; border-radius: 8px;
  font-size: 14px; font-weight: 500;
}
.form-success { background: #E1F5EE; color: #0F6E56; }
.form-error   { background: #FCEBEB; color: #A32D2D; }
.form-success svg, .form-error svg { width: 20px; height: 20px; flex-shrink: 0; }
.form-success.visible, .form-error.visible { display: flex; }

/* Contact info */
.contact-info { display: flex; flex-direction: column; gap: 32px; padding-top: 8px; }
.contact-block h3 {
  font-family: var(--serif); font-size: 28px; color: var(--marine);
}
.contact-tagline { font-size: 13px; color: var(--neutral); letter-spacing: 2px; margin-top: 4px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 16px; }
.contact-icon { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }
.contact-label { font-size: 11px; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; }
.contact-value { font-size: 15px; color: var(--marine); }
.contact-value a { color: var(--blue); }
.contact-value a:hover { text-decoration: underline; }

.contact-promise {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px; background: var(--light);
  border-radius: var(--radius); border: 0.5px solid var(--border);
}
.contact-promise svg { width: 20px; height: 20px; flex-shrink: 0; }
.contact-promise p { font-size: 13px; color: var(--neutral); line-height: 1.6; }
.contact-promise strong { color: var(--marine); font-weight: 500; }

.contact-domains { display: flex; flex-wrap: wrap; gap: 8px; }
.domain-tag {
  padding: 6px 14px;
  background: var(--light); border: 0.5px solid var(--border);
  border-radius: 20px;
  font-size: 12px; color: var(--blue); font-weight: 500;
}

/* ══════════════════════════════════════════
   MOBILE
══════════════════════════════════════════ */
@media (max-width: 768px) {
  .nav { padding: 0 20px; gap: 16px; }
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .nav-burger { display: flex; margin-left: auto; }

  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 68px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 0.5px solid var(--border);
    padding: 20px 32px;
    gap: 20px; z-index: 99;
  }

  .stats-inner { grid-template-columns: 1fr; gap: 12px; padding: 24px 20px; }
  .stat-card { padding: 20px; }

  .hero {
    grid-template-columns: 1fr;
    padding: 100px 24px 60px;
    min-height: auto; gap: 40px;
  }
  .hero-symbol { order: -1; }
  .hero-symbol svg { max-width: 180px; }
  .hero-bg { position: absolute; }

  .stats-inner {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .stat-divider { width: 60px; height: 0.5px; margin: 0 auto; }
  .stat { padding: 28px 20px; }

  .proposition-grid { grid-template-columns: 1fr; }
  .service-grid, .service-grid-rev { grid-template-columns: 1fr; gap: 40px; }
  .service-grid-rev .service-info { order: 0; }
  .service-grid-rev .service-visual { order: 0; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }

  .cta-band-inner { flex-direction: column; text-align: center; }
  .footer-inner { flex-direction: column; gap: 20px; text-align: center; }
  .footer-nav { margin-left: 0; }
  .service-divider { margin: 0; }
}