/* ============================================================
   LA RUCHE DES DESIGNERS — Premium Landing Page Stylesheet
   Palette : Noir #0A0A0A | Anthracite #1C1C1E | Or #C9A55A | Blanc cassé #F5F0E8
   Fonts   : Cinzel (titres) + Montserrat (corps)
============================================================ */

/* ─── CUSTOM PROPERTIES ─────────────────────────────────── */
:root {
  --black:        #0A0A0A;
  --anth:         #1C1C1E;
  --anth-2:       #252528;
  --anth-3:       #2E2E32;
  --gold:         #C9A55A;
  --gold-dark:    #A8833A;
  --gold-light:   #E8D5A3;
  --gold-pale:    rgba(201,165,90,.12);
  --white-off:    #F5F0E8;
  --white-muted:  #C8C0B0;
  --text-light:   #E0D9CC;
  --radius:       4px;
  --radius-lg:    8px;
  --trans:        0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --header-h:     96px;
  --container:    1240px;
  --section-py:   120px;
}

/* ─── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: 'Montserrat', sans-serif;
  background: var(--black);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
  max-width: 100vw;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ─── CONTAINER ──────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}
@media (max-width: 768px) { .container { padding: 0 20px; } }

/* ─── TYPOGRAPHY ─────────────────────────────────────────── */
h1,h2,h3 { font-family: 'Cinzel', serif; letter-spacing: 0.04em; line-height: 1.15; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 600; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); font-weight: 500; }
h3 { font-size: clamp(1rem, 1.5vw, 1.2rem); font-weight: 600; }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--trans);
  white-space: nowrap;
}
.btn--gold {
  background: var(--gold);
  color: var(--black);
  border: 1px solid var(--gold);
}
.btn--gold:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,165,90,.3);
}
.btn--outline {
  background: transparent;
  color: var(--white-off);
  border: 1px solid rgba(245,240,232,.3);
}
.btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}
.btn--lg { padding: 18px 38px; font-size: 0.78rem; }
.btn--sm { padding: 10px 22px; font-size: 0.72rem; }
.btn--full { width: 100%; justify-content: center; }

/* ─── SECTION COMMONS ────────────────────────────────────── */
.section { padding: var(--section-py) 0; position: relative; overflow: hidden; }
.section__header { text-align: center; margin-bottom: 48px; }
.section__tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  position: relative;
  padding: 0 18px;
}
.section__tag::before,
.section__tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}
.section__tag::before { right: 100%; margin-right: -14px; }
.section__tag::after  { left: 100%; margin-left: -14px; }
.section__tag--gold { color: var(--gold); }
.section__title { color: var(--white-off); margin-bottom: 24px; }
.section__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}
.section__divider span {
  display: block;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.section__divider--left { justify-content: flex-start; }
.section__divider--left span:last-child { display: none; }

/* ─── LOGO ───────────────────────────────────────────────── */
.logo-mark { width: 53px; height: 60px; flex-shrink: 0; }
.logo-mark--sm { width: 43px; height: 48px; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name {
  font-family: 'Cinzel', serif;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--white-off);
}
.logo-sub {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 3px;
  font-weight: 500;
}

/* ─── HEADER ─────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--trans), box-shadow var(--trans);
}
.header.is-scrolled {
  background: rgba(10,10,10,.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(201,165,90,.15);
}
.header__nav {
  display: flex;
  align-items: center;
  gap: 44px;
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header__menu {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}
.header__link {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245,240,232,.75);
  transition: color var(--trans);
  position: relative;
  padding-bottom: 4px;
}
.header__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--trans);
}
.header__link:hover { color: var(--gold); }
.header__link:hover::after { width: 100%; }
.header__cta { margin-left: 16px; }
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.header__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white-off);
  transition: var(--trans);
  transform-origin: left center;
}
.header__burger.is-open span:nth-child(1) { transform: rotate(45deg) translateY(-1px); }
.header__burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.header__burger.is-open span:nth-child(3) { transform: rotate(-45deg) translateY(1px); }

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(to bottom, rgba(8,6,3,0.12) 0%, rgba(6,4,2,0.22) 100%), url('https://as2.ftcdn.net/jpg/06/32/00/47/1000_F_632004795_sinJVuQyfdVw1nSdYXxWZUJmeoq4ls2x.jpg') center / cover no-repeat fixed;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.55;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,.22) 0%, rgba(10,10,10,.10) 50%, rgba(10,10,10,.18) 100%);
  pointer-events: none;
}
/* Floating hexagons */
.hero__hex {
  position: absolute;
  pointer-events: none;
  transform-origin: center center;
}
.hero__hex--1 {
  width: 260px; height: 260px; top: 7%; right: 5%;
  opacity: 0.18;
  animation: hexSpin 60s linear infinite, hexBreath 8s ease-in-out infinite;
}
@keyframes hexSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes hexBreath {
  0%, 100% { opacity: 0.18; }
  50%       { opacity: 0.08; }
}
  50%       { opacity: 0.4; }
}
/* Gold lines */
.hero__gold-h {
  position: absolute;
  left: 0; right: 0;
  bottom: 28%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(201,165,90,.25) 30%, rgba(201,165,90,.45) 60%, transparent 100%);
  pointer-events: none;
}
.hero__gold-v {
  position: absolute;
  top: 0; bottom: 0;
  right: 28%;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, rgba(201,165,90,.2) 30%, rgba(201,165,90,.35) 70%, transparent 100%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: min(820px, 100%);
  padding: 0 24px;
  padding-top: var(--header-h);
}
.hero__eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  opacity: 0;
}
.hero__title {
  color: var(--white-off);
  margin-bottom: 28px;
  opacity: 0;
}
.hero__title-gold { color: var(--gold); }
.hero__subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  font-weight: 300;
  color: var(--white-muted);
  max-width: min(620px, 100%);
  margin: 0 auto 44px;
  line-height: 1.8;
  opacity: 0;
}
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  opacity: 0;
}
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero__scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(180deg, var(--gold) 0%, transparent 100%);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
.hero__scroll-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.6;
}
@keyframes scrollPulse {
  0%,100% { transform: scaleY(1); opacity: 1; }
  50%      { transform: scaleY(0.6); opacity: 0.4; }
}

/* ─── CONCEPT ────────────────────────────────────────────── */
.concept {
  background: var(--anth);
  overflow: hidden;
}
.concept__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.concept__lead {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--white-off);
  line-height: 1.8;
  margin-bottom: 20px;
}
.concept__lead strong { color: var(--gold); font-weight: 600; }
.concept__body {
  color: var(--white-muted);
  margin-bottom: 36px;
  font-size: 0.95rem;
}
.concept__features { display: flex; flex-direction: column; gap: 28px; }
.feat { display: flex; gap: 20px; align-items: flex-start; }
.feat__icon {
  width: 44px; height: 44px;
  border: 1px solid rgba(201,165,90,.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--trans);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: rgba(201,165,90,.05);
}
.feat:hover .feat__icon {
  background: var(--gold-pale);
  border-color: var(--gold);
}
.feat__body h3 { font-size: 0.88rem; color: var(--white-off); margin-bottom: 6px; }
.feat__body p  { font-size: 0.85rem; color: var(--white-muted); line-height: 1.65; }
.concept__hex-deco {
  position: absolute;
  right: -40px; top: 50%;
  transform: translateY(-50%);
  width: min(400px, 40%);
  height: 460px;
  opacity: 0.08;
  pointer-events: none;
  overflow: hidden;
}

/* ─── EXPERTISES ─────────────────────────────────────────── */
.expertises { background: var(--black); }
.exp__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.exp__card {
  padding: 24px 20px 22px;
  background: var(--anth);
  position: relative;
  overflow: hidden;
  transition: transform var(--trans), background var(--trans);
  cursor: default;
}
.exp__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201,165,90,.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--trans);
}
.exp__card:hover { transform: translateY(-6px); background: var(--anth-2); }
.exp__card:hover::before { opacity: 1; }
.exp__icon {
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 12px;
  transition: var(--trans);
}
.exp__card:hover .exp__icon { transform: scale(1.1); }
.exp__title {
  font-size: 0.88rem;
  color: var(--white-off);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.exp__text {
  font-size: 0.78rem;
  color: var(--white-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}
.exp__bar {
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, transparent 100%);
  width: 0;
  transition: width 0.5s ease;
}
.exp__card:hover .exp__bar { width: 100%; }

/* ─── EXPERTISE CARD ENTRANCE ────────────────────────────── */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.exp__card { animation: cardIn 0.55s ease-out both; }
.exp__card:nth-child(1) { animation-delay: 0.05s; }
.exp__card:nth-child(2) { animation-delay: 0.12s; }
.exp__card:nth-child(3) { animation-delay: 0.19s; }
.exp__card:nth-child(4) { animation-delay: 0.26s; }
.exp__card:nth-child(5) { animation-delay: 0.33s; }
.exp__card:nth-child(6) { animation-delay: 0.40s; }
.exp__card:nth-child(7) { animation-delay: 0.47s; }
.exp__card:nth-child(8) { animation-delay: 0.54s; }



/* ─── PROMESSE ───────────────────────────────────────────── */
.promesse { padding: 0; }
.promesse__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201,165,90,.07) 0%, transparent 60%),
    linear-gradient(180deg, rgba(18,15,10,0.42) 0%, rgba(6,4,2,0.52) 100%),
    url('https://as1.ftcdn.net/jpg/16/78/73/00/1000_F_1678730042_I7aUNqJBEyxlwe4GfSGunGCYZYju9EnG.jpg') center / cover no-repeat;
}
.promesse__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
  padding: var(--section-py) 0 60px;
}
.promesse__title {
  color: var(--white-off);
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin: 16px 0 24px;
}
.promesse__body {
  color: var(--white-muted);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 20px;
}
.promesse__quote {
  border-left: 2px solid var(--gold);
  padding: 16px 24px;
  margin: 32px 0 36px;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--gold-light);
  line-height: 1.75;
  background: rgba(201,165,90,.05);
}
.promesse__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 60px 0 var(--section-py);
  border-top: 1px solid rgba(201,165,90,.15);
}
.stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 20px;
}
.stat__num {
  font-family: 'Cinzel', serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--gold);
  font-weight: 600;
  line-height: 1;
}
.stat__num sup { font-size: 0.45em; vertical-align: super; }
.stat__label {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white-muted);
}
.stat__sep {
  width: 1px;
  height: 60px;
  background: rgba(201,165,90,.2);
  flex-shrink: 0;
}

/* ─── PARCOURS / TIMELINE ────────────────────────────────── */
.parcours {
  position: relative;
  background:
    linear-gradient(180deg, rgba(18,15,10,0.45) 0%, rgba(6,4,2,0.55) 100%),
    url('https://as2.ftcdn.net/jpg/16/95/07/51/1000_F_1695075150_314wXQ6QPW00SDrrH2SakQZC9bq7FDBo.jpg') center / cover no-repeat fixed;
}
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-bottom: 64px;
}
.timeline__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}
.timeline__num {
  font-family: 'Cinzel', serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 16px;
}
.timeline__track {
  width: 100%;
  display: flex;
  align-items: center;
  margin-bottom: 32px;
  position: relative;
}
.timeline__track::before {
  content: '';
  position: absolute;
  top: 50%; left: -50%;
  width: 50%;
  height: 1px;
  background: rgba(201,165,90,.2);
}
.timeline__track::after {
  content: '';
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background: var(--gold);
  flex-shrink: 0;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 14px rgba(201,165,90,.4);
}
.timeline__line {
  position: absolute;
  top: 50%; left: 50%;
  right: -50%;
  height: 1px;
  background: rgba(201,165,90,.2);
}
.timeline__track--last .timeline__line { display: none; }
.timeline__card {
  padding: 32px 24px;
  background: var(--anth-2);
  border: 1px solid rgba(201,165,90,.1);
  border-radius: var(--radius-lg);
  transition: var(--trans);
  height: 100%;
}
.timeline__card:hover {
  border-color: rgba(201,165,90,.3);
  background: var(--anth-3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.3);
}
.timeline__icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(201,165,90,.3);
  background: rgba(201,165,90,.05);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  font-size: 1rem;
  margin: 0 auto 16px;
}
.timeline__card h3 { font-size: 0.9rem; color: var(--white-off); margin-bottom: 10px; }
.timeline__card p  { font-size: 0.82rem; color: var(--white-muted); line-height: 1.7; }
.parcours__cta { text-align: center; }

/* ─── DIFFÉRENCIATION ────────────────────────────────────── */
.diff {
  position: relative;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(201,165,90,.07) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(201,165,90,.06) 0%, transparent 50%),
    linear-gradient(180deg, rgba(6,4,2,0.50) 0%, rgba(18,15,10,0.60) 100%),
    url('https://as1.ftcdn.net/jpg/20/59/76/22/1000_F_2059762224_eOPWxzDkdneuvLnhLlHn81qUhfcitZog.jpg') center / cover no-repeat fixed;
}
.diff__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(201,165,90,.1);
  border: 1px solid rgba(201,165,90,.1);
}
.diff__card {
  padding: 48px 36px;
  background: var(--anth);
  position: relative;
  overflow: hidden;
  transition: background var(--trans);
}
.diff__card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width 0.45s ease;
}
.diff__card:hover { background: var(--anth-2); }
.diff__card:hover::after { width: 100%; }
.diff__num {
  font-family: 'Cinzel', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(201,165,90,.12);
  position: absolute;
  top: 20px; right: 24px;
  line-height: 1;
  transition: color var(--trans);
}
.diff__card:hover .diff__num { color: rgba(201,165,90,.2); }
.diff__card h3 { font-size: 0.9rem; color: var(--white-off); margin-bottom: 14px; line-height: 1.4; }
.diff__card p  { font-size: 0.82rem; color: var(--white-muted); line-height: 1.75; }

/* ─── GALERIE ────────────────────────────────────────────── */
.galerie { background: var(--anth); overflow: visible; }
.galerie__swiper { padding: 0 0 60px !important; overflow: visible; }
.galerie__card {
  position: relative;
  height: 480px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-end;
}
.galerie__card--1 { background: linear-gradient(rgba(0,0,0,0.18), rgba(0,0,0,0.32)), url("https://as2.ftcdn.net/jpg/14/69/22/89/1000_F_1469228937_xdgVBR6ccUiQglC9lSPjvL0u5cMBqxjO.jpg") center / cover no-repeat; }
.galerie__card--2 { background: linear-gradient(rgba(0,0,0,0.18), rgba(0,0,0,0.32)), url("https://as1.ftcdn.net/jpg/16/78/73/00/1000_F_1678730042_I7aUNqJBEyxlwe4GfSGunGCYZYju9EnG.jpg") center / cover no-repeat; }
.galerie__card--3 { background: linear-gradient(rgba(0,0,0,0.18), rgba(0,0,0,0.32)), url("https://as1.ftcdn.net/jpg/20/59/76/22/1000_F_2059762224_eOPWxzDkdneuvLnhLlHn81qUhfcitZog.jpg") center / cover no-repeat; }
.galerie__card--4 { background: linear-gradient(rgba(0,0,0,0.18), rgba(0,0,0,0.32)), url("https://as2.ftcdn.net/jpg/14/32/27/95/1000_F_1432279565_QNxGiLmKNEWT9CuRvHcpAsr8i9uJLKt2.jpg") center / cover no-repeat; }
.galerie__card--5 { background: linear-gradient(rgba(0,0,0,0.18), rgba(0,0,0,0.32)), url("https://as2.ftcdn.net/jpg/16/95/07/51/1000_F_1695075150_314wXQ6QPW00SDrrH2SakQZC9bq7FDBo.jpg") center / cover no-repeat; }
.galerie__card--6 { background: linear-gradient(rgba(0,0,0,0.18), rgba(0,0,0,0.32)), url("https://as1.ftcdn.net/jpg/19/15/27/04/1000_F_1915270488_IhIN0gWqwjfZhuzlSg0S96aTNY7dyCXB.jpg") center / cover no-repeat; }
.galerie__visual {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  opacity: 0.12;
  transition: opacity var(--trans);
}
.galerie__visual i { font-size: 5rem; color: var(--gold); }
.galerie__card:hover .galerie__visual { opacity: 0.08; }
.galerie__overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 40px 32px 36px;
  background: linear-gradient(0deg, rgba(10,10,10,.92) 0%, rgba(10,10,10,.35) 55%, transparent 100%);
  transform: translateY(8px);
  transition: transform var(--trans);
}
.galerie__card:hover .galerie__overlay { transform: translateY(0); }
.galerie__cat {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.galerie__name {
  font-family: 'Cinzel', serif;
  font-size: 1.1rem;
  color: var(--white-off);
  margin-bottom: 8px;
}
.galerie__desc { font-size: 0.8rem; color: var(--white-muted); }
/* Swiper customisation */
.galerie__swiper .swiper-slide { padding: 0 8px; }
.galerie__pagination .swiper-pagination-bullet {
  background: var(--gold);
  opacity: 0.3;
  width: 6px; height: 6px;
}
.galerie__pagination .swiper-pagination-bullet-active { opacity: 1; width: 24px; border-radius: 3px; }
.galerie__prev,
.galerie__next {
  width: 48px; height: 48px;
  background: rgba(201,165,90,.15) !important;
  border: 1px solid rgba(201,165,90,.3);
  border-radius: 50%;
  color: var(--gold) !important;
  top: 45% !important;
  transition: var(--trans);
}
.galerie__prev:hover, .galerie__next:hover {
  background: rgba(201,165,90,.3) !important;
}
.galerie__prev::after, .galerie__next::after { font-size: 0.75rem !important; font-weight: 700; }

/* ─── RENDEZ-VOUS ────────────────────────────────────────── */
.rdv { padding: 0; }
.rdv__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 30%, rgba(201,165,90,.08) 0%, transparent 60%),
    linear-gradient(180deg, rgba(6,4,2,0.45) 0%, rgba(18,15,10,0.55) 100%),
    url('https://as2.ftcdn.net/jpg/14/26/12/15/1000_F_1426121528_A3J7SyI65S8hwoNS2poNftozyiaxuKi0.jpg') center / cover no-repeat;
  background-size: cover;
  background-position: center;
}
.rdv__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
  padding: var(--section-py) 0;
}
.rdv__title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--white-off);
  margin: 16px 0 20px;
}
.rdv__body {
  font-size: 0.92rem;
  color: var(--white-muted);
  line-height: 1.85;
  margin-bottom: 36px;
}
.rdv__promises {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}
.rdv__promises li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-light);
}
.rdv__promises li i { color: var(--gold); font-size: 0.85rem; flex-shrink: 0; }
.rdv__contact-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rdv__contact-info p {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--white-muted);
}
.rdv__contact-info i { color: var(--gold); font-size: 0.8rem; }
.rdv__contact-info a { color: var(--text-light); transition: color var(--trans); }
.rdv__contact-info a:hover { color: var(--gold); }
/* Form */
.rdv__form {
  background: var(--anth);
  border: 1px solid rgba(201,165,90,.12);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form__group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form__group label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-muted);
  font-weight: 600;
}
.required { color: var(--gold); }
.form__group input,
.form__group select,
.form__group textarea {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(201,165,90,.15);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text-light);
  font-size: 0.88rem;
  transition: border-color var(--trans), background var(--trans);
  outline: none;
  appearance: none;
}
.form__group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C9A55A' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form__group select option { background: var(--anth); color: var(--text-light); }
.form__group input::placeholder,
.form__group textarea::placeholder { color: rgba(200,192,176,.35); }
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--gold);
  background: rgba(201,165,90,.04);
}
.form__group input.is-error,
.form__group select.is-error,
.form__group textarea.is-error {
  border-color: #e85555;
}
.form__group textarea { resize: vertical; min-height: 110px; }
.form__legal {
  font-size: 0.7rem;
  color: rgba(200,192,176,.45);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}
/* Success */
.form__success {
  background: var(--anth);
  border: 1px solid rgba(201,165,90,.25);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
}
.form__success[hidden] { display: none; }
.success__icon { font-size: 3.5rem; color: var(--gold); margin-bottom: 24px; }
.form__success h3 { font-size: 1.3rem; color: var(--white-off); margin-bottom: 16px; }
.form__success p { font-size: 0.9rem; color: var(--white-muted); line-height: 1.7; margin-bottom: 12px; }
.success__sign { color: var(--gold); font-size: 0.85rem !important; }

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer { background: var(--black); border-top: 1px solid rgba(201,165,90,.12); }
.footer__top { padding: 80px 0 60px; }
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
}
.footer__logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer__tagline {
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 16px;
}
.footer__desc {
  font-size: 0.82rem;
  color: var(--white-muted);
  line-height: 1.75;
  margin-bottom: 28px;
}
.footer__social { display: flex; gap: 12px; }
.social-link {
  width: 36px; height: 36px;
  border: 1px solid rgba(201,165,90,.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  color: var(--white-muted);
  transition: var(--trans);
}
.social-link:hover { border-color: var(--gold); color: var(--gold); background: rgba(201,165,90,.08); }
.footer__col-title {
  font-family: 'Cinzel', serif;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white-off);
  margin-bottom: 24px;
}
.footer__nav-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__nav-col a {
  font-size: 0.82rem;
  color: var(--white-muted);
  transition: color var(--trans);
}
.footer__nav-col a:hover { color: var(--gold); }
.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}
.footer__contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--white-muted);
}
.footer__contact-list i { color: var(--gold); font-size: 0.8rem; margin-top: 3px; flex-shrink: 0; }
.footer__contact-list a { color: var(--white-muted); transition: color var(--trans); }
.footer__contact-list a:hover { color: var(--gold); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 24px 0;
}
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer__bottom-inner p { font-size: 0.75rem; color: rgba(200,192,176,.4); }
.footer__legal { display: flex; gap: 24px; }
.footer__legal a { font-size: 0.72rem; color: rgba(200,192,176,.4); transition: color var(--trans); }
.footer__legal a:hover { color: var(--gold); }

/* ─── BACK TO TOP ────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  background: var(--gold);
  color: var(--black);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--trans);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(201,165,90,.35);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--gold-dark); transform: translateY(-3px); }

/* ─── AOS TWEAKS ─────────────────────────────────────────── */
[data-aos] { will-change: transform, opacity; }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
/* ══════════════════════════════════════════════════════════
   RESPONSIVE — mobile-first progressive enhancement
   Breakpoints: 1200 · 992 · 768 · 480 · 360
   ══════════════════════════════════════════════════════════ */

/* ── 1200px — tablette paysage ───────────────────────────── */
@media (max-width: 1200px) {
  .exp__grid  { grid-template-columns: repeat(2, 1fr); }
  .diff__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .rdv__inner { gap: 48px; }
}

/* ── 992px — tablette portrait ───────────────────────────── */
@media (max-width: 992px) {
  :root { --section-py: 72px; }

  /* HEADER */
  .header__menu { display: none; }
  .header__cta  { display: none; }
  .header__burger { display: flex; }
  .header__menu.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: rgba(6,4,2,.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 40px 32px;
    gap: 0;
    border-top: 1px solid rgba(201,165,90,.15);
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .header__menu.is-open .header__link {
    font-size: 1.1rem;
    letter-spacing: 0.12em;
    padding: 18px 0;
    border-bottom: 1px solid rgba(201,165,90,.08);
    display: block;
    width: 100%;
  }
  .header__menu.is-open .header__link:last-child { border-bottom: none; }
  /* CTA inside mobile menu */
  .header__menu.is-open::after {
    content: 'Demander un rendez-vous';
    display: block;
    margin-top: 32px;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--gold-dk), var(--gold));
    color: var(--black);
    font-family: 'Cinzel', serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-align: center;
    border-radius: 2px;
    cursor: pointer;
  }

  /* HERO */
  .hero__content { padding: 0 24px; }
  .hero__subtitle { max-width: 100%; }

  /* CONCEPT */
  .concept__grid { grid-template-columns: 1fr; gap: 40px; }
  .concept__text-col { order: 2; }
  .concept__img-wrap { order: 1; height: 320px; }

  /* PROMESSE */
  .promesse__inner { grid-template-columns: 1fr; gap: 36px; padding: 60px 0 48px; }
  .promesse__stats { flex-wrap: wrap; gap: 24px; justify-content: center; }
  .stat__sep { display: none; }
  .stat { text-align: center; }

  /* FORM */
  .form__row { grid-template-columns: 1fr 1fr; gap: 16px; }

  /* PARCOURS */
  .timeline { grid-template-columns: 1fr 1fr; gap: 32px; }
  .timeline__track { display: none; }

  /* DIFFÉRENCIATION */
  .diff__grid { grid-template-columns: repeat(2, 1fr); }

  /* RDV */
  .rdv__inner { grid-template-columns: 1fr; gap: 40px; }
  .rdv__pitch { order: 2; }
  .rdv__form-wrap { order: 1; }

  /* CONCEPT 3-col → 2-col */
  .concept__grid--3col { grid-template-columns: 1fr 1fr; gap: 32px; }
  .concept__image { grid-column: 1 / -1; }
  .concept__img-wrap { height: 280px; }
  .concept__hex-deco { display: none; }
}

/* ── 768px — grand mobile ────────────────────────────────── */
@media (max-width: 768px) {
  :root { --section-py: 56px; }

  /* LAYOUT */
  .container { padding: 0 18px; }
  .section__header { margin-bottom: 36px; }

  /* TYPOGRAPHIE */
  h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
  h2 { font-size: clamp(1.6rem, 6vw, 2.2rem); }

  /* HEADER */
  .header__nav { padding: 0 18px; }
  .logo-mark { width: 42px; height: 46px; }

  /* DÉCOS */
  .concept__hex-deco { display: none; }

  /* HERO */
  .hero { min-height: 100svh; }
  .hero__content { padding: 0 18px; text-align: center; }
  .hero__subtitle { margin: 0 auto 36px; font-size: 0.9rem; }
  .hero__actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero__actions .btn { justify-content: center; width: 100%; }
  .hero__hex--1 { width: 140px; height: 140px; top: 4%; right: 3%; opacity: 0.12; }
  .hero__scroll { display: none; }

  /* EXPERTISES */
  .exp__grid { grid-template-columns: repeat(2, 1fr); gap: 2px; }
  .exp__img  { height: 130px; }
  .exp__card { padding: 18px 14px 16px; }
  .exp__title { font-size: 0.82rem; }
  .exp__text  { font-size: 0.74rem; line-height: 1.6; }

  /* PROMESSE */
  .promesse__stats { gap: 16px; }
  .stat__num { font-size: clamp(1.6rem, 5vw, 2.2rem); }

  /* PARCOURS */
  .timeline { grid-template-columns: 1fr; gap: 20px; }
  .timeline__item { display: flex; gap: 16px; align-items: flex-start; }
  .timeline__num  { font-size: 2rem; min-width: 44px; }
  .timeline__card { flex: 1; }

  /* DIFFÉRENCIATION */
  .diff__grid { grid-template-columns: 1fr; gap: 1px; }
  .diff__card { padding: 28px 20px; }

  /* GALERIE */
  .galerie__card { height: 320px; }
  .galerie__overlay { padding: 24px 20px 28px; }

  /* RDV FORM */
  .rdv__form { padding: 28px 20px; }
  .form__row  { grid-template-columns: 1fr; }
  .rdv__title { font-size: clamp(1.4rem, 5vw, 1.8rem); }
  .rdv__contact-info { flex-direction: column; gap: 10px; }

  /* FOOTER */
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom-inner { flex-direction: column; gap: 12px; text-align: center; }
  .footer__legal { justify-content: center; flex-wrap: wrap; gap: 10px; }
}

/* ── 480px — mobile standard ─────────────────────────────── */
@media (max-width: 480px) {
  :root { --section-py: 48px; }

  .container { padding: 0 16px; }

  /* HERO */
  h1 { font-size: clamp(1.8rem, 9vw, 2.4rem); }
  .hero__eyebrow { font-size: 0.62rem; letter-spacing: 0.2em; }
  .hero__actions .btn { padding: 14px 20px; font-size: 0.7rem; }
  .hero__hex--1 { display: none; }

  /* EXPERTISES — 1 colonne sur petits mobiles */
  .exp__grid { grid-template-columns: 1fr; }
  .exp__img  { height: 160px; }
  .exp__card { padding: 16px 16px 14px; }

  /* STATS */
  .promesse__stats { grid-template-columns: repeat(2, 1fr); display: grid; gap: 16px; }
  .stat { padding: 16px; background: rgba(201,165,90,.04); border: 1px solid rgba(201,165,90,.1); }

  /* PARCOURS */
  .timeline__num { font-size: 1.6rem; }
  .parcours__cta .btn { width: 100%; justify-content: center; }

  /* DIFF */
  .diff__card { padding: 24px 16px; }
  .diff__num  { font-size: 2rem; }

  /* GALERIE */
  .galerie__card { height: 280px; }

  /* FORM */
  .rdv__form { padding: 24px 16px; }
  .btn--full  { width: 100%; }
  .btn--lg    { padding: 15px 20px; font-size: 0.7rem; }

  /* FOOTER */
  .footer__grid { gap: 28px; }
  .social-link  { width: 36px; height: 36px; font-size: 0.8rem; }
}

/* ── 360px — petit mobile ────────────────────────────────── */
@media (max-width: 360px) {
  .container { padding: 0 14px; }
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.4rem; }
  .header__nav { padding: 0 14px; }
  .logo-name { font-size: 0.9rem; }
  .logo-sub  { font-size: 0.52rem; }
  .exp__grid { grid-template-columns: 1fr; }
  .galerie__card { height: 240px; }
  .rdv__form { padding: 20px 14px; }
}

/* ── Touch: améliorer les cibles interactives ────────────── */
@media (hover: none) and (pointer: coarse) {
  .btn, .header__link, .footer__link, .social-link,
  input, select, textarea, button {
    min-height: 44px;
  }
  .exp__card:hover { transform: none; }
  .exp__card:hover .exp__img { background-size: cover; }
  .diff__card:hover { background: var(--anth); transform: none; }
  .concept__img-wrap:hover img { transform: none; }
  .galerie__card .galerie__overlay { transform: translateY(0); }
}

/* ── Réduire les animations sur mobile bas de gamme ─────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ─── UTILITY ────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* ─── CONCEPT IMAGE (added with Pexels photo) ───────────── */
.concept__grid--3col {
  grid-template-columns: min(380px, 35%) 1fr 1fr;
  gap: 60px;
}
.concept__img-wrap {
  position: relative;
  height: 560px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.concept__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.8s ease;
}
.concept__img-wrap:hover img { transform: scale(1.04); }
.concept__img-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,10,10,.7) 100%);
  z-index: 1;
  pointer-events: none;
}
.concept__img-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  z-index: 2;
  background: rgba(10,10,10,.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(201,165,90,.3);
  border-radius: 50%;
  width: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

/* ─── HERO BG IMG (behind canvas) ───────────────────────── */
.hero__bg-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  z-index: 0;
  pointer-events: none;
}

/* ─── GALLERY cards: hide icon layer when real photo shown ─ */
.galerie__visual { display: flex; }

/* Responsive: concept 3-col → 2-col → 1-col */
@media (max-width: 1200px) {
  .concept__grid--3col { grid-template-columns: 1fr 1fr; }
  .concept__image { grid-column: 1 / -1; }
  .concept__img-wrap { height: 320px; }
}
@media (max-width: 768px) {
  .concept__grid--3col { grid-template-columns: 1fr; }
  .concept__img-wrap { height: 240px; }
}
@media (max-width: 480px) {
  .concept__img-wrap { height: 200px; }
}

/* ─── EXPERTISE CARD IMAGES ─────────────────────────────── */
.exp__img {
  width: 100%;
  height: 155px;
  background-size: cover;
  background-position: center;
  margin-bottom: 18px;
  position: relative;
  transition: background-size 0.65s ease;
  flex-shrink: 0;
}
.exp__card:hover .exp__img {
  background-size: 110%;
}
.exp__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(18,15,10,0.5) 100%);
  pointer-events: none;
}

/* ─── FORM DYNAMIC STYLES ───────────────────────────────── */
.form__group.is-focused label { color: var(--gold); }
.form__group.is-focused input,
.form__group.is-focused select,
.form__group.is-focused textarea {
  border-color: var(--gold);
  background: rgba(201,165,90,.04);
  box-shadow: 0 0 0 3px rgba(201,165,90,.08);
}
.form__group input.is-valid,
.form__group select.is-valid,
.form__group textarea.is-valid {
  border-color: rgba(100,200,120,.5);
}
.form__group input.is-valid:not(:focus),
.form__group select.is-valid:not(:focus),
.form__group textarea.is-valid:not(:focus) {
  box-shadow: none;
}
.form__group input.is-error,
.form__group select.is-error,
.form__group textarea.is-error {
  border-color: #e85555;
  box-shadow: 0 0 0 3px rgba(232,85,85,.08);
}
.field__hint {
  font-size: 0.68rem;
  color: #e85555;
  margin-top: 4px;
  min-height: 1em;
  transition: opacity 0.2s;
}
.form__error-banner {
  background: rgba(232,85,85,.1);
  border: 1px solid rgba(232,85,85,.35);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.82rem;
  color: #f0a0a0;
  margin-bottom: 20px;
}