/* ============================================================
   LES BELLES ANNÉES - Résidences Étudiantes Roubaix
   Stylesheet principal
   ============================================================ */

/* --- Variables & Reset --- */
:root {
  --teal:        #5DBFB9;
  --teal-dark:   #3EA8A2;
  --teal-light:  #E8F8F7;
  --teal-xlight: #F2FAFA;
  --dark:        #2D2D2D;
  --gray:        #6B6B6B;
  --light-gray:  #F5F5F5;
  --border:      #E0E0E0;
  --white:       #FFFFFF;
  --font-main:   'Segoe UI', Arial, sans-serif;
  --radius:      10px;
  --shadow:      0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover:0 8px 32px rgba(93,191,185,0.18);
  --transition:  0.25s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  color: var(--dark);
  background: var(--white);
  line-height: 1.65;
}

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

/* --- Typography --- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; color: var(--teal-dark); text-transform: uppercase; letter-spacing: .08em; }
p  { color: var(--gray); }

/* --- Layout helpers --- */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section--alt { background: var(--teal-xlight); }
.section--teal { background: var(--teal); color: var(--white); }
.section--teal p, .section--teal h2 { color: var(--white); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { margin-bottom: 12px; }
.section-header .divider {
  width: 48px; height: 4px;
  background: var(--teal);
  margin: 14px auto 20px;
  border-radius: 2px;
}
.section--teal .section-header .divider { background: var(--white); }

/* grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flex    { display: flex; align-items: center; gap: 16px; }
.flex-col{ display: flex; flex-direction: column; gap: 12px; }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border-color: var(--teal);
  color: var(--teal);
}
.btn-outline:hover { background: var(--teal); color: var(--white); transform: translateY(-2px); }
.btn-white {
  background: var(--white);
  color: var(--teal-dark);
  font-weight: 700;
}
.btn-white:hover { background: var(--teal-light); transform: translateY(-2px); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.navbar-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.navbar-brand .brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--teal-dark);
  letter-spacing: -.01em;
}
.navbar-brand .brand-sub {
  font-size: .65rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gray);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--dark);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover { background: var(--teal-light); color: var(--teal-dark); }
.nav-links a.active { color: var(--teal-dark); background: var(--teal-light); }

/* dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 220px;
  overflow: hidden;
  z-index: 200;
}
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-size: .87rem;
  border-radius: 0;
  color: var(--dark);
}
.dropdown-menu a:hover { background: var(--teal-light); color: var(--teal-dark); }
.dropdown-menu a .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}
.dropdown:hover .dropdown-menu { display: block; }

.nav-cta { margin-left: 12px; }

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 60%, #7DD4CF 100%);
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -120px; left: -60px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-content h1 { color: var(--white); margin-bottom: 20px; }
.hero-content p   { color: rgba(255,255,255,0.88); font-size: 1.1rem; margin-bottom: 32px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  color: var(--white);
  transition: var(--transition);
}
.stat-card:hover { background: rgba(255,255,255,0.22); transform: translateY(-3px); }
.stat-card .stat-num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-card .stat-label {
  font-size: .8rem;
  opacity: .85;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ============================================================
   BREADCRUMB (pages intérieures)
   ============================================================ */
.breadcrumb {
  background: var(--light-gray);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.breadcrumb ol {
  display: flex; align-items: center; gap: 8px;
  font-size: .82rem; color: var(--gray);
}
.breadcrumb li + li::before { content: '›'; margin-right: 8px; }
.breadcrumb a { color: var(--teal-dark); }
.breadcrumb li:last-child { color: var(--dark); font-weight: 500; }

/* page hero (intérieur) */
.page-hero {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%);
  color: var(--white);
  padding: 60px 0 52px;
}
.page-hero h1 { color: var(--white); margin-bottom: 10px; }
.page-hero p  { color: rgba(255,255,255,.85); font-size: 1.05rem; max-width: 600px; }
.page-hero .badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  border-radius: 50px;
  padding: 4px 14px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ============================================================
   ROUBAIX SECTION (index)
   ============================================================ */
.roubaix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.roubaix-text h2 { margin-bottom: 20px; }
.roubaix-text p  { margin-bottom: 16px; }
.roubaix-text .btn { margin-top: 8px; }

.info-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-light);
  border: 1px solid var(--teal);
  color: var(--teal-dark);
  border-radius: 50px;
  padding: 7px 16px;
  font-size: .85rem;
  font-weight: 600;
}
.pill .icon { font-size: 1rem; }

.roubaix-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.visual-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--teal-light);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.visual-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.visual-card .vc-icon { font-size: 2rem; margin-bottom: 10px; }
.visual-card .vc-title { font-weight: 700; font-size: .95rem; color: var(--teal-dark); margin-bottom: 4px; }
.visual-card .vc-text { font-size: .8rem; color: var(--gray); }
.visual-card.span-2 { grid-column: span 2; padding: 20px; }

/* ============================================================
   RÉSIDENCES CARDS
   ============================================================ */
.residence-card {
  background: var(--white);
  border-radius: 14px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.residence-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); }

.residence-card-header {
  background: linear-gradient(135deg, var(--teal-dark), var(--teal));
  padding: 28px 24px 24px;
  color: var(--white);
  position: relative;
}
.residence-card-header .badge-logements {
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  border-radius: 50px;
  padding: 5px 12px;
  font-size: .78rem;
  font-weight: 700;
}
.residence-card-header h3 { font-size: 1.4rem; color: var(--white); margin-bottom: 4px; }
.residence-card-header .address { font-size: .82rem; opacity: .85; display: flex; align-items: center; gap: 5px; }

.residence-card-body { padding: 24px; flex: 1; }
.residence-card-body p { margin-bottom: 16px; font-size: .9rem; }

.type-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.type-tag {
  background: var(--teal-light);
  color: var(--teal-dark);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.transport-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.transport-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--gray);
}
.transport-item .t-icon { font-size: 1rem; }

.residence-card-footer {
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ============================================================
   RÉSIDENCE DETAIL (page résidence)
   ============================================================ */
.residence-detail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}
.residence-info h2 { margin-bottom: 16px; }
.residence-info p  { margin-bottom: 14px; }

.info-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 90px;
}
.info-box h4 { margin-bottom: 16px; }
.info-box-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: .88rem;
}
.info-box-item:last-child { border-bottom: none; }
.info-box-item .ibi-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.info-box-item .ibi-text strong { display: block; color: var(--dark); }
.info-box-item .ibi-text span  { color: var(--gray); font-size: .82rem; }
.info-box .btn { width: 100%; text-align: center; margin-top: 16px; }

/* schools nearby */
.schools-grid { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.school-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--teal-xlight);
  border-radius: 6px;
  font-size: .85rem;
}
.school-item .school-name { font-weight: 500; color: var(--dark); }
.school-item .school-dist { color: var(--teal-dark); font-weight: 600; font-size: .78rem; }

/* proximity tabs */
.prox-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.prox-tab {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--border);
  background: var(--white);
  color: var(--gray);
  transition: var(--transition);
}
.prox-tab.active, .prox-tab:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
  background: var(--teal-light);
}
.prox-content { display: none; }
.prox-content.active { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.prox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .85rem;
}
.prox-item .pi-icon { font-size: 1.2rem; }
.prox-item .pi-name { font-weight: 500; color: var(--dark); }
.prox-item .pi-dist { color: var(--gray); font-size: .78rem; }

/* ============================================================
   APPARTEMENTS & SERVICES
   ============================================================ */
.equip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.equip-category {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.equip-category h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--teal-light);
}
.equip-category h4 .cat-icon { font-size: 1.3rem; }
.equip-list { display: flex; flex-direction: column; gap: 8px; }
.equip-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .87rem;
  color: var(--gray);
}
.equip-item::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

/* services */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.service-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.service-box h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--teal-dark);
}
.service-box h3 .s-icon { font-size: 1.4rem; }
.service-list { display: flex; flex-direction: column; gap: 10px; }
.service-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .88rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.service-item:last-child { border-bottom: none; }
.service-item .check {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .65rem;
  flex-shrink: 0;
}
.service-item.optional .check {
  background: transparent;
  border: 2px solid var(--teal);
  color: var(--teal);
}

/* ============================================================
   EXPERIENCE / CTA
   ============================================================ */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.exp-card {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.exp-card:hover { background: rgba(255,255,255,0.2); transform: translateY(-3px); }
.exp-card .exp-icon { font-size: 2.4rem; margin-bottom: 14px; }
.exp-card h3 { color: var(--white); margin-bottom: 8px; }
.exp-card p  { color: rgba(255,255,255,.82); font-size: .88rem; }

.cta-box {
  text-align: center;
  padding: 64px 0 0;
}
.cta-box h2 { color: var(--white); margin-bottom: 16px; }
.cta-box p  { color: rgba(255,255,255,.85); margin-bottom: 32px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 14px; }
.contact-info p  { margin-bottom: 28px; }

.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--teal-light);
  border-radius: var(--radius);
  border: 1px solid var(--teal);
}
.contact-item .ci-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item .ci-info strong { display: block; color: var(--dark); }
.contact-item .ci-info a, .contact-item .ci-info span { color: var(--teal-dark); font-weight: 500; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.contact-form h3 { margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: .9rem;
  color: var(--dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(93,191,185,0.15);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand-name { font-size: 1.2rem; font-weight: 800; color: var(--teal); margin-bottom: 4px; }
.footer-brand .brand-sub  { font-size: .65rem; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 16px; }
.footer-brand p { font-size: .85rem; max-width: 280px; }

.footer-col h5 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--teal);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a {
  font-size: .85rem;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
}
.footer-col ul a:hover { color: var(--teal); }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .78rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--teal); }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  transition: var(--transition);
}
.social-link:hover { border-color: var(--teal); color: var(--teal); }

/* ============================================================
   UTILITIES & TAGS
   ============================================================ */
.text-teal  { color: var(--teal-dark); }
.text-center{ text-align: center; }
.fw-bold    { font-weight: 700; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.tag {
  display: inline-block;
  background: var(--teal-light);
  color: var(--teal-dark);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* back to top */
#back-to-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 44px; height: 44px;
  background: var(--teal);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(93,191,185,0.4);
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 999;
}
#back-to-top.visible { opacity: 1; transform: translateY(0); }
#back-to-top:hover   { background: var(--teal-dark); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .55s ease both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .experience-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .grid-2, .grid-3,
  .roubaix-grid, .hero .container,
  .residence-detail, .services-grid,
  .contact-grid, .equip-grid { grid-template-columns: 1fr; }
  .hero { padding: 70px 0 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .residence-info { order: 2; }
  .info-box { order: 1; position: static; }
  .prox-content.active { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    gap: 2px;
  }
  .nav-mobile-open .nav-links a { display: block; }
  .dropdown-menu { position: static; box-shadow: none; border: none; border-left: 3px solid var(--teal-light); border-radius: 0; display: block; }
  .nav-cta { display: none; }
}
@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .roubaix-visual { grid-template-columns: 1fr; }
  .visual-card.span-2 { grid-column: span 1; }
}