/* ============================================================
   VULINK — Stylesheet
   Palette: Blanc cassé / Noir profond / Or discret
   Fonts: Cormorant Garamond (titres) + DM Sans (corps)
   ============================================================ */

:root {
  --black: #0e0e0e;
  --white: #faf9f7;
  --grey-light: #f0eeeb;
  --grey-mid: #c8c4bc;
  --grey-dark: #5a5652;
  --gold: #b8975a;
  --gold-light: #d4b47a;
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Raleway', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 2px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── NAVIGATION ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3rem;
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
}

.logo-img img { display: block; height: 90px; width: auto; mix-blend-mode: multiply; }

.logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--black);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-dark);
  transition: var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--black);
}
.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.burger {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--black);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: var(--white);
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  z-index: 99;
  gap: 1.2rem;
}

.mobile-menu a {
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey-dark);
}

.mobile-menu.open { display: flex; }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
  border: 1px solid var(--black);
}
.btn-primary:hover {
  background: var(--gold);
  border-color: var(--gold);
}

.btn-secondary {
  background: transparent;
  color: var(--black);
  border: 1px solid rgba(0,0,0,0.25);
}
.btn-secondary:hover {
  border-color: var(--black);
  background: rgba(0,0,0,0.04);
}

.btn-light {
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--white);
}
.btn-light:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 3rem 5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #faf9f7 0%, #f0eeeb 50%, #e8e4de 100%);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 55vw; height: 55vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,151,90,0.08) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  animation: fadeUp 0.9s ease both;
}

.hero-tag {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 30px; height: 1px;
  background: var(--gold);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 0.95;
  color: var(--black);
  margin-bottom: 1.8rem;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--black);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--grey-dark);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-deco {
  position: absolute;
  right: 5%; top: 50%;
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none;
}

.deco-line {
  width: 1px;
  height: 200px;
  background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.15), transparent);
  margin: 0 auto 2rem;
}

.deco-circle {
  width: 120px; height: 120px;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 50%;
  margin: 0 auto;
}

/* ── SECTIONS COMMUNES ── */
.section {
  padding: 6rem 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--gold);
}


.section-label--dark {
  color: var(--black);
}
.section-label--dark::before {
  background: var(--black);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--black);
  margin-bottom: 2rem;
}

/* ── EXPERTISE GRID ── */
.expertise {
  background: var(--white);
}

.expertise > .container > h2 {
  max-width: 500px;
  margin-bottom: 3.5rem;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.expertise-card {
  background: var(--grey-light);
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

.expertise-card:hover::before { width: 100%; }

.expertise-card:hover {
  background: var(--black);
  color: var(--white);
}

.expertise-card:hover .card-number { color: var(--gold); }
.expertise-card:hover h3 { color: var(--white); }
.expertise-card:hover p { color: var(--grey-mid); }

.card-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--grey-mid);
  line-height: 1;
  margin-bottom: 1.2rem;
  transition: var(--transition);
}

.expertise-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--black);
  transition: var(--transition);
}

.expertise-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--grey-dark);
  transition: var(--transition);
}

/* ── PROFILS ── */
.profils {
  background: var(--black);
  color: var(--white);
}

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

.profils-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.profils-text p {
  color: var(--grey-mid);
  font-size: 0.95rem;
}

.profil-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.9rem;
  color: var(--grey-mid);
  transition: var(--transition);
}

.profil-item:hover { color: var(--white); }
.profil-item:hover .dot { background: var(--gold); }

.dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  transition: var(--transition);
}

/* ── CTA BAND ── */
.cta-band {
  background: var(--gold);
  padding: 3.5rem 0;
}

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

.cta-text {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 300;
  color: var(--white);
}

/* ── PAGE HERO (pages internes) ── */
.page-hero {
  padding: 10rem 3rem 5rem;
  background: linear-gradient(135deg, #faf9f7 0%, #f0eeeb 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40vw; height: 100%;
  background: linear-gradient(to left, rgba(184,151,90,0.05), transparent);
}

.page-hero-content { max-width: 700px; position: relative; z-index: 1; }

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.page-hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.page-hero p {
  font-size: 1.05rem;
  color: var(--grey-dark);
  max-width: 520px;
  line-height: 1.8;
}

/* ── QUI SOMMES NOUS ── */
.about-section {
  padding: 5rem 0;
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
  margin-bottom: 5rem;
}

.about-intro .section-label { margin-bottom: 2rem; }

.about-intro-text p {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--grey-dark);
  margin-bottom: 1.2rem;
}

.about-intro-text p strong {
  color: var(--black);
  font-weight: 500;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 3rem;
}

.value-card {
  background: var(--grey-light);
  padding: 2.2rem;
}

.value-card h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.7rem;
  color: var(--black);
}

.value-card p {
  font-size: 0.88rem;
  color: var(--grey-dark);
  line-height: 1.7;
}

.gold-line {
  width: 40px; height: 2px;
  background: var(--gold);
  margin-bottom: 1.5rem;
}

/* ── PRESTATIONS ── */
.prestations-section {
  padding: 5rem 0;
}

.prestation-block {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 4rem;
  align-items: start;
  padding: 3.5rem 0;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.prestation-number {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 300;
  color: var(--grey-mid);
  line-height: 1;
}

.prestation-content h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 1rem;
}

.prestation-content p {
  font-size: 0.92rem;
  color: var(--grey-dark);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.prestation-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

.tag {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 30px;
  color: var(--grey-dark);
}

/* ── METHODOLOGIE ── */
.methodo-section {
  background: var(--black);
  padding: 5rem 0;
  color: var(--white);
}

.methodo-section .section-title { color: var(--white); margin-bottom: 3rem; }

.methodo-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}

.methodo-step {
  background: rgba(255,255,255,0.03);
  padding: 2.2rem 1.8rem;
  border-left: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

.methodo-step:hover { background: rgba(184,151,90,0.08); }

.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--gold);
  font-weight: 300;
  line-height: 1;
  margin-bottom: 1rem;
}

.methodo-step h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 0.8rem;
}

.methodo-step p {
  font-size: 0.85rem;
  color: var(--grey-mid);
  line-height: 1.7;
}

/* ── CONTACT ── */
.contact-section {
  padding: 5rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
}

.contact-info p {
  font-size: 0.92rem;
  color: var(--grey-dark);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-detail a {
  font-size: 0.9rem;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: var(--transition);
}

.contact-detail a:hover { color: var(--gold); }

.contact-detail a::before {
  content: '→';
  color: var(--gold);
}

/* ── FORM ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

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

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

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--grey-light);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--black);
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: var(--white);
}

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

.form-note {
  font-size: 0.8rem;
  color: var(--grey-dark);
  margin-top: -0.4rem;
}

.form-success {
  display: none;
  background: rgba(184,151,90,0.1);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  font-size: 0.9rem;
  color: var(--black);
}

/* ── FOOTER ── */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 3.5rem 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand .logo-img img { display: block; height: 90px; width: auto; mix-blend-mode: multiply; }

.logo {
  display: block;
  margin-bottom: 0.8rem;
  font-size: 1.4rem;
}

.footer-brand p {
  font-size: 0.82rem;
  color: var(--grey-mid);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--grey-mid);
  transition: var(--transition);
  letter-spacing: 0.04em;
}
.footer-links a:hover { color: var(--gold); }

.footer-contact a {
  font-size: 0.82rem;
  color: var(--grey-mid);
  transition: var(--transition);
}
.footer-contact a:hover { color: var(--gold); }

.footer-bottom {
  padding: 1.2rem 2rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.06em;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .burger { display: block; }
  .logo-img img { height: 42px; }
  .mobile-menu { top: 65px; }

  .hero { padding: 7rem 1.5rem 4rem; }
  .hero-deco { display: none; }

  .expertise-grid { grid-template-columns: 1fr; }
  .profils-inner { grid-template-columns: 1fr; gap: 3rem; }
  .methodo-steps { grid-template-columns: repeat(2, 1fr); }

  .about-intro { grid-template-columns: 1fr; gap: 2rem; }
  .values-grid { grid-template-columns: 1fr; }

  .prestation-block { grid-template-columns: 1fr; gap: 1rem; }
  .prestation-number { font-size: 3rem; }

  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }

  .cta-band .container { flex-direction: column; text-align: center; }
  .page-hero { padding: 8rem 1.5rem 4rem; }
}

@media (max-width: 600px) {
  .methodo-steps { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.5rem; }
}

/* ── PAGE HERO WITH IMAGE ── */
.page-hero--with-image {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding-right: 0;
}

.page-hero--with-image .page-hero-content {
  flex: 0 0 50%;
}

.page-hero-image {
  flex: 0 0 45%;
  height: 100%;
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 45%;
  overflow: hidden;
}

.page-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: grayscale(15%);
}

@media (max-width: 900px) {
  .page-hero--with-image {
    flex-direction: column;
    padding-right: 1.5rem;
  }
  .page-hero-image {
    position: relative;
    width: 100%;
    height: 240px;
    flex: none;
  }
}

/* ── HERO WITH IMAGE ── */
.hero--with-image {
  padding-right: 0;
}

.hero-image-block {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 48%;
  overflow: hidden;
}

.hero-image-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

@media (max-width: 900px) {
  .hero-image-block {
    display: none;
  }
}