/* ============================================
   OPTIQUE BLEY — Ultra-Premium Stylesheet
   Opticien depuis 1979 · Wiltz & Marnach
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --white: #FFFFFF;
  --black: #1A1A1A;
  --primary: #72B6F2;
  --primary-light: #9ACDF7;
  --primary-dark: #4A9AE8;
  --primary-deep: #1B3A6B;
  --primary-bg: #EDF5FE;
  --gold: #72B6F2;
  --gold-light: #9ACDF7;
  --gold-dark: #4A9AE8;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E8E8E8;
  --gray-300: #D0D0D0;
  --gray-500: #8A8A8A;
  --gray-700: #4A4A4A;
  --gray-800: #2A2A2A;
  --gray-900: #1A1A1A;

  --font-display: 'Nunito', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Nunito', 'Helvetica Neue', Arial, sans-serif;

  --nav-height: 80px;
  --section-padding: clamp(80px, 10vw, 160px);
  --container-width: 1280px;
  --container-narrow: 900px;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --transition-base: 0.4s var(--ease-out-expo);
  --transition-slow: 0.8s var(--ease-out-expo);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--black);
  background-color: var(--white);
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  cursor: none;
}

/* Restore default cursor on mobile/touch */
@media (pointer: coarse) {
  body { cursor: auto; }
  .cursor, .cursor-follower { display: none !important; }
}

a {
  color: inherit;
  text-decoration: none;
  cursor: none;
}

@media (pointer: coarse) {
  a { cursor: pointer; }
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  cursor: none;
}

@media (pointer: coarse) {
  button, input, textarea, select { cursor: auto; }
}

/* --- Custom Cursor --- */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  mix-blend-mode: normal;
  transition: transform 0.15s var(--ease-out-expo),
              opacity 0.3s ease;
  transform: translate(-50%, -50%);
}

.cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  border: 1px solid var(--primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
  transition: transform 0.4s var(--ease-out-expo),
              width 0.3s var(--ease-out-expo),
              height 0.3s var(--ease-out-expo),
              opacity 0.3s ease;
  transform: translate(-50%, -50%);
}

body:has(a:hover) .cursor,
body:has(button:hover) .cursor {
  transform: translate(-50%, -50%) scale(2);
}

body:has(a:hover) .cursor-follower,
body:has(button:hover) .cursor-follower {
  width: 60px;
  height: 60px;
  opacity: 0.2;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

h4 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

p {
  font-size: clamp(0.95rem, 1.1vw, 1.1rem);
  max-width: 65ch;
}

.text-gold { color: var(--gold); }
.text-gray { color: var(--gray-500); }

.label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-light);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 60px);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--section-padding) 0;
}

.section--dark {
  background-color: #1A2D4A;
  color: var(--white);
}

.section--gray {
  background-color: var(--gray-50);
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-out-expo),
              transform 1s var(--ease-out-expo);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background-color 0.5s ease,
              backdrop-filter 0.5s ease,
              box-shadow 0.5s ease;
}

.nav.scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(114, 182, 242, 0.15);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 60px);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.nav__logo-img {
  max-height: 60px;
  width: auto;
  transition: opacity var(--transition-base);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--black);
  transition: color var(--transition-base);
}

.nav__logo-sub {
  font-family: var(--font-body);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--primary-light);
  display: block;
  margin-top: -2px;
}

.nav--hero .nav__logo-text,
.nav--hero .nav__links a,
.nav--hero .nav__badge {
  color: var(--white);
}

.nav.scrolled .nav__logo-text,
.nav.scrolled .nav__links a {
  color: var(--black);
}

.nav__badge {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  border: 1px solid var(--gray-200);
  padding: 4px 10px;
  border-radius: 2px;
  white-space: nowrap;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.nav--hero .nav__badge {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.7);
}

.nav.scrolled .nav__badge {
  color: var(--gray-500);
  border-color: var(--gray-200);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
}

.nav__links a:last-child {
  margin-right: 24px;
}

.nav__links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  position: relative;
  transition: color var(--transition-base);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-light);
  transition: width var(--transition-base);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: 1001;
}

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--gray-200);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.nav--hero .lang-switch {
  border-color: rgba(255, 255, 255, 0.3);
}

.nav.scrolled .lang-switch {
  border-color: var(--gray-200);
}

.lang-switch__btn {
  padding: 6px 12px;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  transition: all var(--transition-base);
  cursor: none;
}

@media (pointer: coarse) {
  .lang-switch__btn { cursor: pointer; }
}

.lang-switch__btn.active {
  background-color: var(--primary);
  color: var(--white);
}

.nav--hero .lang-switch__btn:not(.active) {
  color: rgba(255, 255, 255, 0.6);
}

.nav.scrolled .lang-switch__btn:not(.active) {
  color: var(--gray-500);
}

/* Mobile Menu Toggle */
.nav__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  z-index: 1001;
}

.nav__menu-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--black);
  transition: all var(--transition-base);
}

.nav--hero .nav__menu-toggle span {
  background: var(--white);
}

.nav.scrolled .nav__menu-toggle span {
  background: var(--black);
}

.nav__menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav__menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    #1A2D4A 0%,
    #2A5080 40%,
    #3A6BA0 100%
  );
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  filter: grayscale(20%);
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(114, 182, 242, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(114, 182, 242, 0.06) 0%, transparent 50%);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26, 45, 74, 0.2) 0%, rgba(42, 80, 128, 0.1) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  color: var(--white);
  padding: 0 clamp(24px, 4vw, 60px);
  max-width: 900px;
}

.hero__label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeUp 1s var(--ease-out-expo) 0.3s forwards;
}

.hero__title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeUp 1s var(--ease-out-expo) 0.5s forwards;
}

.hero__title em {
  font-style: italic;
  color: var(--primary-light);
}

.hero__subtitle {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  font-weight: 300;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
  margin: 0 auto 50px;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeUp 1s var(--ease-out-expo) 0.7s forwards;
}

.hero__ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeUp 1s var(--ease-out-expo) 0.9s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0;
  animation: heroFadeUp 1s var(--ease-out-expo) 1.2s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.5); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 16px 36px;
  border-radius: 0;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary-light);
  transform: translateX(-101%);
  transition: transform 0.5s var(--ease-out-expo);
}

.btn:hover::before {
  transform: translateX(0);
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn--primary {
  background-color: var(--primary);
  color: var(--white);
}

.btn--primary:hover {
  color: var(--white);
}

.btn--outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--white);
}

.btn--outline:hover {
  border-color: var(--primary-light);
  color: var(--white);
}

.btn--outline-dark {
  border: 1px solid var(--gray-200);
  color: var(--black);
}

.btn--outline-dark:hover {
  border-color: var(--primary);
  color: var(--white);
}

.btn--outline-dark::before {
  background: var(--primary);
}

.btn__arrow {
  transition: transform var(--transition-base);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: clamp(50px, 6vw, 80px);
}

.section-header .label {
  margin-bottom: 16px;
  display: block;
}

.section-header h2 {
  margin-bottom: 20px;
}

.section-header p {
  color: var(--gray-500);
  margin: 0 auto;
}

.section-header--left {
  text-align: left;
}

.section-header--left p {
  margin: 0;
}

/* Gold decorative line */
.gold-line {
  width: 50px;
  height: 2px;
  background: var(--primary);
  margin: 20px auto 0;
}

.section-header--left .gold-line {
  margin-left: 0;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

/* 3+2 centered layout for 5 cards (acoustique) */
.services-grid--acou {
  grid-template-columns: repeat(6, 1fr);
}
.services-grid--acou .service-card:nth-child(1) { grid-column: 1 / 3; }
.services-grid--acou .service-card:nth-child(2) { grid-column: 3 / 5; }
.services-grid--acou .service-card:nth-child(3) { grid-column: 5 / 7; }
.services-grid--acou .service-card:nth-child(4) { grid-column: 2 / 4; }
.services-grid--acou .service-card:nth-child(5) { grid-column: 4 / 6; }

.service-card {
  text-align: center;
  padding: 50px 30px;
  border: 1px solid var(--gray-200);
  transition: all var(--transition-slow);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition-slow);
}

.service-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 30px;
  color: var(--gold);
}

.service-card__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.service-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  margin: 0 auto;
}

/* --- Team Section --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.team-card {
  background: var(--white);
  border: 1px solid var(--primary);
  padding: 0;
  text-align: center;
  transition: all var(--transition-slow);
  overflow: hidden;
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(114, 182, 242, 0.15);
  border-color: var(--primary);
}

.team-card__photo {
  aspect-ratio: 1;
  background-color: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.team-card__initials {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--primary);
  letter-spacing: 0.05em;
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.team-card:hover .team-card__initials {
  opacity: 1;
}

.team-card__info {
  padding: 28px 24px;
}

.team-card__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--black);
}

.team-card__title {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
}

.team-card__location {
  font-size: 0.75rem;
  color: var(--primary-light);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.team-card__location svg {
  width: 12px;
  height: 12px;
}

.team-card__quote {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--gray-700);
  line-height: 1.6;
  max-width: 100%;
}

.team-note {
  text-align: center;
  margin-top: 40px;
  font-size: 0.8rem;
  color: var(--gray-500);
  font-style: italic;
}

/* --- Key Figures --- */
.figures {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.figure__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 300;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 10px;
}

.figure__label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.section--dark .figure__label {
  color: rgba(255, 255, 255, 0.5);
}

/* --- Boutique Cards --- */
.boutiques-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.boutique-card {
  border: 1px solid var(--gray-200);
  padding: 50px 40px;
  transition: all var(--transition-slow);
}

.boutique-card:hover {
  border-color: var(--primary);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
}

.boutique-card__name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.boutique-card__address {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.boutique-card__info {
  margin-bottom: 24px;
}

.boutique-card__info-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.boutique-card__info-row svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--gold);
}

.boutique-card__hours {
  font-size: 0.85rem;
  color: var(--gray-700);
}

.boutique-card__hours span {
  display: block;
  margin-bottom: 4px;
}

.boutique-card__hours .closed {
  color: var(--gray-500);
  font-style: italic;
}

.boutique-card__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Story / About Section --- */
.story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}

.story__image {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--gray-100);
}

.story__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.8s var(--ease-out-expo);
}

.story__image:hover img {
  filter: grayscale(0%);
}

.story__image::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 1px solid var(--primary-light);
  z-index: -1;
}

.story__content h2 {
  margin-bottom: 24px;
}

.story__content p {
  color: var(--gray-700);
  margin-bottom: 16px;
}

.story__content p:last-of-type {
  margin-bottom: 30px;
}

.story__year {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 300;
  color: var(--primary);
  opacity: 0.12;
  line-height: 1;
  margin-bottom: 20px;
}

/* --- Instagram Section --- */
.instagram-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.instagram-item {
  aspect-ratio: 1;
  background: var(--gray-100);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.instagram-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(196, 150, 60, 0);
  transition: background var(--transition-base);
  z-index: 1;
}

.instagram-item:hover::before {
  background: rgba(114, 182, 242, 0.25);
}

.instagram-item__placeholder {
  color: var(--gray-300);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: var(--section-padding) 0;
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.5);
  margin: 0 auto 40px;
}

/* --- Collection Grid --- */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.collection-card {
  position: relative;
  overflow: hidden;
  background: var(--gray-100);
  aspect-ratio: 3/4;
}

.collection-card__image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  transition: transform 0.8s var(--ease-out-expo);
}

.collection-card:hover .collection-card__image {
  transform: scale(1.05);
}

.collection-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 45, 74, 0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.collection-card:hover .collection-card__overlay {
  opacity: 1;
}

.collection-card__overlay h3 {
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.collection-card__overlay p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

.collection-card__placeholder {
  color: var(--gray-300);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 1rem;
  font-weight: 300;
  color: var(--black);
  transition: border-color var(--transition-base);
  background: transparent;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-300);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* --- Map Placeholder --- */
.map-placeholder {
  aspect-ratio: 16/9;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--gray-200);
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 80px;
  text-align: center;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.page-header .label {
  margin-bottom: 16px;
  display: block;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 16px;
}

.page-header p {
  color: var(--gray-500);
  margin: 0 auto;
}

/* --- Services Detail --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--gray-200);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail__image {
  aspect-ratio: 4/3;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.service-detail__image-placeholder {
  color: var(--gray-300);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.service-detail__content .label {
  margin-bottom: 16px;
  display: block;
}

.service-detail__content h3 {
  margin-bottom: 16px;
}

.service-detail__content p {
  color: var(--gray-700);
  margin-bottom: 16px;
}

.service-detail__content ul {
  margin-bottom: 24px;
}

.service-detail__content ul li {
  font-size: 0.95rem;
  color: var(--gray-700);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.service-detail__content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 2px;
  background: var(--primary-light);
}

/* --- Boutique Detail Page --- */
.boutique-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 60px 0;
}

.boutique-map {
  aspect-ratio: 1;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.boutique-info h3 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.boutique-info__address {
  color: var(--primary-light);
  font-size: 0.9rem;
  margin-bottom: 30px;
}

.hours-table {
  width: 100%;
  margin-bottom: 30px;
}

.hours-table tr {
  border-bottom: 1px solid var(--gray-100);
}

.hours-table td {
  padding: 10px 0;
  font-size: 0.9rem;
}

.hours-table td:first-child {
  font-weight: 400;
  color: var(--black);
}

.hours-table td:last-child {
  text-align: right;
  color: var(--gray-500);
}

.hours-table .today td {
  color: var(--primary);
  font-weight: 500;
}

.hours-table .closed td:last-child {
  color: var(--gray-500);
  font-style: italic;
}

/* --- Boutique Info (detail page) --- */
.boutique-info__contact {
  margin-bottom: 24px;
}

.boutique-info__row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.boutique-info__row svg {
  flex-shrink: 0;
  color: var(--gold);
}

.boutique-info__row a {
  transition: color var(--transition-base);
}

.boutique-info__row a:hover {
  color: var(--gold);
}

.boutique-info__ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.boutique-separator {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 0;
}

/* --- 404 Page --- */
.page-404 {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #1A2D4A;
  color: var(--white);
}

.page-404__number {
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 300;
  color: var(--primary-light);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 20px;
}

.page-404 h1 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 16px;
}

.page-404 p {
  color: rgba(255, 255, 255, 0.5);
  margin: 0 auto 40px;
}

/* --- Footer --- */
.footer {
  background: #1A2D4A;
  color: var(--white);
  padding: 80px 0 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer__brand {
  max-width: 280px;
}

.footer__logo-img {
  max-height: 60px;
  width: auto;
  margin-bottom: 12px;
  opacity: 0.9;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.footer__logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 20px;
}

.footer__brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 20px;
}

.footer__col a,
.footer__col p {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 10px;
  transition: color var(--transition-base);
}

.footer__col a:hover {
  color: var(--white);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer__bottom a {
  color: rgba(255, 255, 255, 0.3);
  transition: color var(--transition-base);
}

.footer__bottom a:hover {
  color: var(--primary-light);
}

/* --- Loading Screen --- */
.loader {
  position: fixed;
  inset: 0;
  background: #1A2D4A;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader__text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--white);
  letter-spacing: 0.1em;
  opacity: 0;
  animation: loaderFade 1.5s ease forwards;
}

@keyframes loaderFade {
  0% { opacity: 0; transform: translateY(10px); }
  40% { opacity: 1; transform: translateY(0); }
  80% { opacity: 1; }
  100% { opacity: 0.3; }
}

/* --- Nav Booking Button --- */
.nav__book {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.nav__book:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(114, 182, 242, 0.3);
}

.nav--hero .nav__book {
  background: var(--white);
  color: var(--primary);
}

.nav.scrolled .nav__book {
  background: var(--primary);
  color: var(--white);
}

/* --- Floating Booking Button --- */
.floating-book {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 14px 24px;
  border-radius: 50px;
  box-shadow: 0 6px 24px rgba(114, 182, 242, 0.35);
  transition: all var(--transition-base);
  text-decoration: none;
  cursor: pointer;
}

@media (pointer: coarse) {
  .floating-book { cursor: pointer; }
}

.floating-book:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(114, 182, 242, 0.45);
}

.floating-book__icon {
  font-size: 1.1rem;
  line-height: 1;
}

/* --- Booking Section --- */
.booking-section {
  background: var(--primary-bg);
  border: 1px solid rgba(114, 182, 242, 0.2);
  border-radius: 12px;
  padding: 40px;
  margin-top: 40px;
}

.booking-section h3 {
  margin-bottom: 8px;
}

.booking-section p {
  color: var(--gray-500);
  margin-bottom: 24px;
}

.booking-iframe {
  width: 100%;
  height: 600px;
  border: 0;
  border-radius: 8px;
  background: var(--white);
}

.booking-placeholder {
  background: var(--white);
  border: 2px dashed var(--primary);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  color: var(--gray-500);
}

.booking-placeholder__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.booking-placeholder__steps {
  text-align: left;
  max-width: 500px;
  margin: 20px auto 0;
  font-size: 0.9rem;
  line-height: 1.8;
}

.booking-placeholder__steps strong {
  color: var(--primary);
}

/* --- Acoustique Page Specific --- */
.acoustique-hero {
  position: relative;
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 80px;
  background: linear-gradient(135deg, #1A2D4A 0%, #2A5080 100%);
  color: var(--white);
  overflow: hidden;
}

.acoustique-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}

.acoustique-hero__content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.acoustique-hero__text .label {
  color: rgba(255, 255, 255, 0.7);
}

.acoustique-hero__text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.acoustique-hero__text p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 30px;
}

.acoustique-hero__image {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.acoustique-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.acoustique-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.8rem;
  color: var(--white);
  margin-bottom: 20px;
}

.acoustique-badge__dot {
  width: 8px;
  height: 8px;
  background: #4ADE80;
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.why-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-slow);
}

.why-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(114, 182, 242, 0.1);
}

.why-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.why-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.partner-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: var(--primary-bg);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
}

.partner-banner__text {
  font-size: 0.85rem;
  color: var(--gray-700);
}

.partner-banner__text strong {
  color: var(--primary);
  font-weight: 700;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid--acou {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid--acou .service-card:nth-child(1),
  .services-grid--acou .service-card:nth-child(2),
  .services-grid--acou .service-card:nth-child(3),
  .services-grid--acou .service-card:nth-child(4),
  .services-grid--acou .service-card:nth-child(5) {
    grid-column: auto;
  }
  .services-grid--acou .service-card:nth-child(5) {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .acoustique-hero__content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .nav__book {
    display: none;
  }

  .figures {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .story {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .story__image {
    max-width: 500px;
  }

  .story__image::after {
    display: none;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .service-detail:nth-child(even) {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }

  /* === MENU MOBILE — Bulletproof v3 (no transform, no transition on opacity) === */
  .nav__links {
    position: fixed !important;
    top: 0 !important;
    left: 100% !important; /* off-screen by default */
    right: -100% !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important; /* fallback iOS Safari */
    z-index: 9998 !important;
    background: #ffffff !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 24px !important;
    padding: 90px 24px 40px !important;
    margin: 0 !important;
    transition: left 0.35s ease-out, right 0.35s ease-out !important;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: none !important;
  }

  .nav__links.open {
    left: 0 !important;
    right: 0 !important;
    pointer-events: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .nav__links a {
    font-size: 1.5rem !important;
    font-weight: 500 !important;
    color: #0a0a0a !important;
    margin: 0 !important;
    padding: 10px 0 !important;
    text-decoration: none !important;
    display: block !important;
  }

  .nav__menu-toggle {
    display: flex !important;
    position: relative;
    z-index: 9999;
  }

  /* Le burger devient X et reste visible au-dessus du menu */
  .nav__menu-toggle.open span {
    background: #0a0a0a !important;
  }

  /* Logo et lang-switch restent au-dessus du menu blanc */
  .nav__logo,
  .nav__right {
    position: relative;
    z-index: 9999;
  }

  body.menu-open {
    overflow: hidden;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .floating-book {
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    font-size: 0.8rem;
  }

  .booking-section {
    padding: 24px;
  }

  .booking-iframe {
    height: 500px;
  }

  .partner-banner {
    flex-direction: column;
  }

  .nav__badge {
    display: none;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
  .services-grid--acou {
    grid-template-columns: 1fr;
  }
  .services-grid--acou .service-card:nth-child(1),
  .services-grid--acou .service-card:nth-child(2),
  .services-grid--acou .service-card:nth-child(3),
  .services-grid--acou .service-card:nth-child(4),
  .services-grid--acou .service-card:nth-child(5) {
    grid-column: auto;
    max-width: none;
    margin: 0;
  }

  .team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .figures {
    grid-template-columns: 1fr 1fr;
  }

  .boutiques-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__ctas {
    flex-direction: column;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .collection-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .boutique-detail {
    grid-template-columns: 1fr;
  }

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

  .page-header {
    padding-top: calc(var(--nav-height) + 50px);
    padding-bottom: 50px;
  }
}

/* --- Acoustique Highlight Section (index.html) --- */
.acoustique-highlight {
  background: linear-gradient(135deg, #EDF5FE 0%, #f0f8ff 50%, #e8f4fd 100%);
  border-top: 3px solid var(--primary);
  border-bottom: 1px solid var(--gray-200);
}

.acoustique-highlight__inner {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

.acoustique-highlight__icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(114, 182, 242, 0.2);
}

.acoustique-highlight__content {
  flex: 1;
}

.acoustique-highlight__content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
  line-height: 1.3;
}

.acoustique-highlight__content h2 em {
  display: block;
  font-style: italic;
  font-weight: 400;
  color: var(--primary-dark);
  font-size: 0.85em;
}

.acoustique-highlight__content p {
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 24px;
  font-size: 1rem;
}

/* Acoustique CTA Button */
.btn--acoustique {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 14px 32px;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.btn--acoustique:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(114, 182, 242, 0.35);
}

.btn--acoustique .btn__arrow {
  transition: transform 0.3s ease;
}

.btn--acoustique:hover .btn__arrow {
  transform: translateX(4px);
}

@media (max-width: 640px) {
  .acoustique-highlight__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
  }

  .acoustique-highlight__content h2 {
    font-size: 1.35rem;
  }

  .btn--acoustique {
    width: 100%;
    justify-content: center;
  }
}