/* =========================================
   SITE 1 — AZUR
   Palette : Bleu marine #1a2744 & Crème #f5f0e8
   ========================================= */

:root {
  --navy:    #1a2744;
  --navy-light: #243660;
  --cream:   #f5f0e8;
  --cream-dark: #ede5d5;
  --gold:    #c9a96e;
  --text:    #2c2c2c;
  --text-light: #6b6b6b;
  --white:   #ffffff;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Montserrat', sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background-color: var(--cream);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* CONTAINER */
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3rem;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(26, 39, 68, 0.96);
  padding: 0.9rem 3rem;
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
  backdrop-filter: blur(8px);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.05em;
}
.nav-links {
  display: flex;
  gap: 2.5rem;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* HERO */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, #1e3a5f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,110,0.08) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50%       { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}
.hero-content {
  text-align: center;
  color: var(--white);
  z-index: 1;
  padding: 2rem;
}
.hero-subtitle {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 300;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}
.hero-title span { color: var(--gold); font-style: italic; }
.hero-desc {
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.72);
  margin-bottom: 2.5rem;
  letter-spacing: 0.04em;
}

/* BUTTONS */
.btn-primary {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateX(-101%);
  transition: transform var(--transition);
  z-index: -1;
}
.btn-primary:hover { color: var(--navy); }
.btn-primary:hover::before { transform: translateX(0); }

/* SCROLL INDICATOR */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}
.hero-scroll-indicator span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--gold));
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* SECTIONS */
.section { padding: 8rem 0; }
.section-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 3.5rem;
}

/* IMAGE PLACEHOLDERS */
.img-placeholder {
  background: linear-gradient(135deg, #e8e4dc 0%, #d8d0c4 100%);
  border: 2px dashed rgba(26,39,68,0.18);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(26,39,68,0.03) 10px,
    rgba(26,39,68,0.03) 20px
  );
}
.img-placeholder-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(26,39,68,0.4);
  text-align: center;
  padding: 0.5rem;
  position: relative;
  z-index: 1;
}
.img-portrait  { width: 100%; aspect-ratio: 3/4; max-width: 320px; }
.img-landscape { width: 100%; aspect-ratio: 16/7; margin-bottom: 1.5rem; border-radius: 4px; }
.img-service   { width: 100%; aspect-ratio: 16/7; margin-bottom: 1.5rem; border-radius: 4px 4px 0 0; }
.img-conf      { width: 100%; aspect-ratio: 16/8; }
.img-past      { width: 100%; aspect-ratio: 4/3; margin-bottom: 0.8rem; }

/* ABOUT */
.about { background: var(--cream); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}
.about-photo-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}
.photo-caption {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  text-align: center;
}
.about-right { display: flex; flex-direction: column; gap: 2rem; }
.about-text p {
  color: var(--text-light);
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}
.about-card {
  background: var(--navy);
  padding: 2.5rem;
  display: flex;
  flex-direction: row;
  gap: 2rem;
  justify-content: space-between;
}
.card-stat { display: flex; flex-direction: column; gap: 0.3rem; }
.stat-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--gold);
}
.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

/* EXPERIENCES / TIMELINE */
.experiences { background: var(--cream-dark); }
.timeline { display: flex; flex-direction: column; gap: 3rem; }
.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2.5rem;
  align-items: start;
}
.tl-date {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
  padding-top: 0.4rem;
  text-align: right;
  border-right: 2px solid var(--gold);
  padding-right: 2rem;
}
.tl-card {
  background: var(--white);
  padding: 0;
  overflow: hidden;
  border-bottom: 3px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.tl-card:hover {
  border-color: var(--gold);
  box-shadow: 0 12px 40px rgba(26,39,68,0.07);
}
.tl-body { padding: 1.5rem 2rem 2rem; }
.tl-body h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 0.3rem;
}
.tl-company {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
}
.tl-body p { font-size: 0.88rem; color: var(--text-light); }

/* SERVICES */
.services { background: var(--cream); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.service-card {
  background: var(--white);
  overflow: hidden;
  border-bottom: 3px solid transparent;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card > .img-placeholder { border-radius: 0; border: none; border-bottom: 1px solid rgba(26,39,68,0.08); }
.service-card:hover {
  border-color: var(--gold);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(26,39,68,0.08);
}
.service-card .service-icon {
  font-size: 1.8rem;
  color: var(--gold);
  padding: 1.5rem 2rem 0;
}
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--navy);
  padding: 0.5rem 2rem 0;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
  padding: 0.8rem 2rem 0;
  flex: 1;
}
.service-price {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--navy);
  padding: 1rem 2rem 0;
  border-top: 1px solid rgba(26,39,68,0.06);
  margin-top: 1.2rem;
}
.btn-service {
  display: inline-block;
  margin: 0.8rem 2rem 2rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  transition: color var(--transition), padding-left var(--transition);
}
.btn-service:hover { color: var(--navy); padding-left: 0.3rem; }

/* CONFÉRENCES */
.conferences { background: var(--cream-dark); }
.conf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}
.conf-card {
  background: var(--white);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.conf-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(26,39,68,0.09);
}
.conf-card > .img-placeholder { border-radius: 0; border: none; }
.conf-body { padding: 1.5rem; }
.conf-date-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.conf-body h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 0.4rem;
}
.conf-location {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.8rem;
}
.conf-body p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 1.2rem;
}
.conf-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid rgba(26,39,68,0.08);
}
.conf-price {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--navy);
}
.btn-sm { font-size: 0.76rem; padding: 0.55rem 1.4rem; }

/* CONFÉRENCES PASSÉES */
.past-conf { margin-top: 1rem; }
.past-conf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.past-card { display: flex; flex-direction: column; }
.past-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 0.2rem;
}
.past-date {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* SELECT */
select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid rgba(26,39,68,0.15);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
  cursor: pointer;
}
select:focus { border-color: var(--navy); }

/* HERO actions */
.hero-actions { display: flex; gap: 1.2rem; flex-wrap: wrap; align-items: center; }
.btn-outline {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: rgba(255,255,255,0.85);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color var(--transition), color var(--transition);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

/* FOOTER */
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; }
.footer-name { font-family: var(--font-serif); font-size: 1.1rem; color: rgba(255,255,255,0.8); }
.footer-tagline { font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); }
.footer-copy { font-size: 0.75rem; color: rgba(255,255,255,0.35); margin-top: 0.5rem; }

/* CONTACT */
.contact { background: var(--cream); }
.contact-form { max-width: 700px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.form-row .form-group { margin-bottom: 0; }
label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
}
input, textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid rgba(26,39,68,0.15);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
input:focus, textarea:focus { border-color: var(--navy); }
input::placeholder, textarea::placeholder { color: rgba(44,44,44,0.35); }

/* FOOTER */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: 2rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

/* REVEAL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .conf-grid { grid-template-columns: 1fr 1fr; }
  .past-conf-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .navbar { padding: 1.2rem 1.5rem; }
  .navbar.scrolled { padding: 0.8rem 1.5rem; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--navy); padding: 1.5rem; gap: 1.2rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-photo-block { max-width: 280px; margin: 0 auto; }
  .about-card { flex-direction: column; gap: 1.5rem; }
  .timeline-item { grid-template-columns: 1fr; }
  .tl-date { text-align: left; border-right: none; border-left: 2px solid var(--gold); padding-right: 0; padding-left: 1rem; }
  .services-grid { grid-template-columns: 1fr; }
  .conf-grid { grid-template-columns: 1fr; }
  .past-conf-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}