/* ═══════════════════════════════════════════════
   STERNE VOILES — Feuille de style partagée
   ═══════════════════════════════════════════════ */

:root {
  --navy:        #0B2D5E;
  --navy-dark:   #071E40;
  --navy-mid:    #1A5296;
  --blue:        #2E7DB8;
  --blue-light:  #4A9FD4;
  --or:          #C4A35A;
  --blanc:       #FFFFFF;
  --blanc-froid: #F4F7FB;
  --gris-bleu:   #E0EAF4;
  --gris-texte:  #5A6E87;
  --noir-texte:  #1C2B3A;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  background: var(--blanc);
  color: var(--noir-texte);
  line-height: 1.6;
}

/* ─── NAVIGATION ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--blanc);
  border-bottom: 3px solid var(--navy);
  box-shadow: 0 2px 16px rgba(11,45,94,0.10);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}

.nav-logo img { height: 52px; width: auto; display: block; }

.nav-logo-text { display: flex; flex-direction: column; line-height: 1.15; }

.nav-logo-text .name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.nav-logo-text .tagline {
  font-size: 0.62rem;
  color: var(--gris-texte);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-style: italic;
  font-family: 'Arial', sans-serif;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.1rem;
  align-items: center;
}

.nav-links a {
  display: block;
  padding: 0.45rem 0.9rem;
  color: var(--navy);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-family: 'Arial', sans-serif;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.nav-cta {
  background: var(--navy) !important;
  color: var(--blanc) !important;
  border-radius: 2px;
  padding: 0.45rem 1.2rem !important;
  border-bottom: 2px solid transparent !important;
  margin-left: 0.5rem;
}

.nav-cta:hover {
  background: var(--navy-mid) !important;
  color: var(--blanc) !important;
  border-bottom-color: transparent !important;
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: all 0.3s;
}

/* ─── PAGE HERO ─── */
.page-hero {
  background: var(--navy-dark);
  padding: 7rem 2rem 4rem;
}

.page-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.page-hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--blanc);
  line-height: 1.1;
  margin: 0.5rem 0;
}

.page-hero-lead {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.68);
  max-width: 600px;
  line-height: 1.75;
  margin-top: 1rem;
  font-style: italic;
}

/* ─── SOUS-SERVICES NAV ─── */
.subservices-nav {
  background: var(--blanc-froid);
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--gris-bleu);
}

.subservices-grid {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.subservice-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.2rem;
  background: var(--blanc);
  border: 1px solid var(--gris-bleu);
  color: var(--navy);
  text-decoration: none;
  font-family: 'Arial', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all 0.2s;
  border-radius: 2px;
}

.subservice-pill:hover {
  background: var(--navy);
  color: var(--blanc);
  border-color: var(--navy);
}

.pill-icon { font-size: 1rem; }

/* ─── SECTIONS COMMUNES ─── */
section { padding: 5rem 2rem; }

.content-section { padding: 4.5rem 2rem; }
.bg-light { background: var(--blanc-froid); }

.section-inner { max-width: 1200px; margin: 0 auto; }

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

.section-overtitle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Arial', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
}

.section-overtitle::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue);
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-title-white { color: var(--blanc); }

.section-lead {
  font-size: 1.05rem;
  color: var(--gris-texte);
  max-width: 580px;
  line-height: 1.75;
}

/* ─── CONTENT LAYOUT ─── */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 5rem;
  align-items: start;
}

.content-layout-reverse {
  grid-template-columns: 380px 1fr;
}

.content-layout-reverse .content-text { order: 2; }
.content-layout-reverse .content-aside { order: 1; }

/* ─── FEATURE LIST ─── */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.95rem;
  color: var(--noir-texte);
  line-height: 1.5;
}

.feature-list li::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--blue);
  flex-shrink: 0;
  margin-top: 0.7rem;
}

/* ─── ASIDE CARDS ─── */
.content-aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: sticky;
  top: 90px;
}

.aside-card {
  background: var(--blanc-froid);
  border: 1px solid var(--gris-bleu);
  padding: 1.5rem;
}

.aside-highlight {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--blanc);
}

.aside-label {
  display: block;
  font-family: 'Arial', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: 0.6rem;
}

.aside-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blanc);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.aside-desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.6;
}

.aside-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.aside-list li {
  font-size: 0.88rem;
  color: var(--gris-texte);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.aside-list li::before {
  content: '';
  display: block;
  width: 14px;
  height: 1px;
  background: var(--blue);
  flex-shrink: 0;
}

.section-divider {
  height: 1px;
  background: var(--gris-bleu);
  max-width: 1200px;
  margin: 0 auto;
}

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: var(--blue);
  color: var(--blanc);
  text-decoration: none;
  font-family: 'Arial', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 2px solid var(--blue);
  transition: all 0.25s;
}

.btn-primary:hover { background: var(--blue-light); border-color: var(--blue-light); }

.btn-navy {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: var(--navy);
  color: var(--blanc);
  text-decoration: none;
  font-family: 'Arial', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 2px solid var(--navy);
  transition: all 0.25s;
}

.btn-navy:hover { background: var(--navy-mid); border-color: var(--navy-mid); }

.btn-white {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: var(--blanc);
  color: var(--navy);
  text-decoration: none;
  font-family: 'Arial', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 2px solid var(--blanc);
  transition: all 0.25s;
}

.btn-white:hover { background: var(--blanc-froid); }

.btn-outline-white {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: transparent;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-family: 'Arial', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 2px solid rgba(255,255,255,0.35);
  transition: all 0.25s;
}

.btn-outline-white:hover { border-color: rgba(255,255,255,0.85); color: #fff; }

/* ─── CTA BAND ─── */
.cta-band {
  background: var(--navy);
  padding: 4rem 2rem;
}

.cta-band-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-title {
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  color: var(--blanc);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.cta-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.62);
  font-style: italic;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* ─── GRILLE INFO ─── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--gris-bleu);
  border: 1px solid var(--gris-bleu);
}

.info-cell {
  background: var(--blanc);
  padding: 2rem 1.75rem;
}

.info-cell-label {
  display: block;
  font-family: 'Arial', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.6rem;
}

.info-cell-value {
  font-size: 1rem;
  color: var(--noir-texte);
  line-height: 1.65;
}

.info-cell-value a {
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
}

.info-cell-value a:hover { text-decoration: underline; }

/* ─── FOOTER ─── */
footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.45);
  padding: 2.5rem 2rem;
  border-top: 3px solid var(--blue);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-name {
  color: var(--blanc);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
}

.footer-siret {
  font-family: 'Arial', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
  display: block;
}

.footer-links { display: flex; gap: 1.5rem; list-style: none; flex-wrap: wrap; }

.footer-links a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  font-family: 'Arial', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.footer-links a:hover { color: rgba(255,255,255,0.85); }

/* ─── CONTACT PAGE ─── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-label {
  font-family: 'Arial', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
}

.form-input,
.form-select,
.form-textarea {
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--gris-bleu);
  background: var(--blanc);
  font-family: 'Georgia', serif;
  font-size: 0.95rem;
  color: var(--noir-texte);
  outline: none;
  transition: border-color 0.2s;
  border-radius: 0;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--blue);
}

.form-textarea { resize: vertical; min-height: 130px; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%230B2D5E' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* ─── MAP EMBED ─── */
.map-wrap {
  position: relative;
  padding-bottom: 60%;
  height: 0;
  overflow: hidden;
  border: 1px solid var(--gris-bleu);
}

.map-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
  .content-layout,
  .content-layout-reverse {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .content-layout-reverse .content-text { order: 1; }
  .content-layout-reverse .content-aside { order: 2; }
  .content-aside { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  section { padding: 3.5rem 1.25rem; }
  .content-section { padding: 3rem 1.25rem; }
  .cta-actions { flex-direction: column; }
}