/* ==========================================================================
   ORIGEN SOURCE — Stylesheet
   Identity v3.0 | Food Science & Specialty Coffee
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-creme);
  color: var(--color-espresso);
  line-height: 1.6;
  font-size: var(--text-base);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(201, 150, 60, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(193, 101, 58, 0.04) 0%, transparent 40%);
}

/* --- Typography --- */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  color: var(--color-espresso);
  line-height: 1.25;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-4);
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-espresso);
  opacity: 0.92;
}

p.lead {
  font-size: var(--text-lg);
  line-height: 1.65;
  opacity: 0.95;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-creme-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-dark {
  background-color: var(--color-espresso);
  color: var(--color-creme);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark p {
  color: var(--color-creme);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-12) auto;
}

.section-header p {
  font-size: var(--text-lg);
}

/* --- Badges & Subtitles --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: transparent;
  border: none;
  margin-bottom: var(--space-3);
}

.badge-gold {
  color: var(--color-or-chaud);
}

.badge-terracotta {
  color: var(--color-terracotta);
}

.badge-green {
  color: var(--color-vert-cafe);
}

.badge-dark {
  color: var(--color-or-chaud);
}

/* --- Buttons & CTAs --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 1.625rem;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-align: center;
  line-height: 1.2;
}

.btn:active {
  transform: scale(0.98);
}

/* Flagship CTA: Or chaud */
.btn-gold {
  background-color: var(--color-or-chaud);
  color: var(--color-espresso-dark);
  border-color: rgba(59, 42, 33, 0.15);
  box-shadow: var(--shadow-sm);
}

.btn-gold:hover {
  background-color: var(--color-or-chaud-hover);
  color: #000;
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-2px);
}

/* Secondary CTA: Terracotta */
.btn-terracotta {
  background-color: var(--color-terracotta);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-terracotta:hover {
  background-color: var(--color-terracotta-hover);
  box-shadow: var(--shadow-glow-terracotta);
  transform: translateY(-2px);
}

/* Outline button */
.btn-outline {
  background-color: transparent;
  color: var(--color-espresso);
  border-color: var(--color-espresso);
}

.btn-outline:hover {
  background-color: var(--color-espresso);
  color: var(--color-creme);
  transform: translateY(-2px);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-creme);
  border-color: var(--color-creme);
}

.btn-outline-light:hover {
  background-color: var(--color-creme);
  color: var(--color-espresso);
  transform: translateY(-2px);
}

/* --- Site Header & Navbar --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(245, 237, 227, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-espresso);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-serif);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-espresso);
  position: relative;
  padding: var(--space-2) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-or-chaud);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background-color: rgba(59, 42, 33, 0.08);
  border-radius: var(--radius-pill);
  padding: 3px;
  border: 1px solid var(--color-border);
}

.lang-btn {
  background: transparent;
  border: none;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-espresso);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background-color: var(--color-espresso);
  color: var(--color-creme);
  box-shadow: var(--shadow-sm);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-espresso);
  cursor: pointer;
  padding: var(--space-2);
}

/* --- Hero Section --- */
.hero-section {
  padding: var(--space-20) 0 var(--space-24) 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-content h1 {
  margin-bottom: var(--space-6);
}

.hero-lead {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  color: var(--color-espresso);
  opacity: 0.95;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-espresso);
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.trust-item svg {
  color: var(--color-vert-cafe);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-showcase-wrapper {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.hero-showcase-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(201, 150, 60, 0.4);
  box-shadow: var(--shadow-xl), 0 20px 40px rgba(59, 42, 33, 0.18);
  background-color: var(--color-espresso);
}

.hero-showcase-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.hero-showcase-card:hover .hero-showcase-img {
  transform: scale(1.04);
}

.hero-showcase-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  background: linear-gradient(to top, rgba(30, 18, 13, 0.95) 0%, rgba(30, 18, 13, 0.6) 65%, transparent 100%);
  color: var(--color-creme);
  z-index: 2;
}

.hero-showcase-tag {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-or-chaud);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.hero-showcase-sub {
  font-size: var(--text-xs);
  color: rgba(245, 237, 227, 0.92);
  margin-bottom: 0;
  font-weight: 500;
}

.hero-floating-badge-top {
  position: absolute;
  top: -14px;
  left: -14px;
  z-index: 3;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-or-chaud);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-espresso);
  animation: float 6s ease-in-out infinite;
}

.hero-floating-badge-bottom {
  position: absolute;
  bottom: -14px;
  right: -14px;
  z-index: 3;
  background: rgba(44, 74, 62, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-or-chaud);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-creme);
  animation: float 7s ease-in-out 1.5s infinite;
}

/* --- Flagship Pillar 1: Advisory & Éducation --- */
.pillar-flagship {
  position: relative;
  border-left: 4px solid var(--color-or-chaud);
}

.flagship-banner {
  background: linear-gradient(135deg, rgba(201, 150, 60, 0.12) 0%, rgba(245, 237, 227, 0.6) 100%);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(201, 150, 60, 0.3);
  margin-bottom: var(--space-12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.flagship-banner-content h3 {
  color: var(--color-espresso-dark);
  margin-bottom: var(--space-2);
}

.flagship-banner-content p {
  margin-bottom: 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.service-card {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 150, 60, 0.4);
}

.service-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-or-chaud-light);
  color: var(--color-or-chaud);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.service-card h4 {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  color: var(--color-espresso);
}

.service-card p {
  font-size: var(--text-sm);
  margin-bottom: 0;
  color: var(--color-espresso-light);
}

/* Course Catalog Grid */
.courses-block-title {
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-3);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.course-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.course-card:hover {
  border-color: var(--color-or-chaud);
  box-shadow: var(--shadow-md);
}

.course-header {
  margin-bottom: var(--space-4);
}

.course-duration {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-or-chaud);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.course-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.course-card p {
  font-size: var(--text-sm);
  color: var(--color-espresso-light);
  margin-bottom: var(--space-6);
}

.course-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px dashed var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-espresso-light);
  font-style: italic;
}

/* --- Secondary Pillar 2: Courtage (Sourcing) --- */
.pillar-secondary {
  position: relative;
  background-color: var(--color-creme-light);
}

.courtage-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.courtage-manifesto {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-terracotta);
}

.courtage-manifesto h3 {
  color: var(--color-espresso);
  margin-bottom: var(--space-4);
}

.prospective-badge-wrapper {
  margin-bottom: var(--space-4);
}

.approach-list {
  list-style: none;
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.approach-item {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.approach-item-icon {
  color: var(--color-terracotta);
  flex-shrink: 0;
  margin-top: 2px;
}

.target-audience-card {
  background: rgba(255, 255, 255, 0.6);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-top: var(--space-6);
}

.target-audience-card h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
  color: var(--color-vert-cafe);
}

.target-audience-card ul {
  padding-left: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-espresso-light);
}

/* --- Pillar 3: Club (Teaser 2027) --- */
.club-teaser-card {
  background: radial-gradient(circle at top right, rgba(193, 101, 58, 0.1), transparent), var(--color-espresso);
  color: var(--color-creme);
  padding: var(--space-12);
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

.club-teaser-card h2,
.club-teaser-card p {
  color: var(--color-creme);
}

.club-features-pills {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-6) 0 var(--space-8) 0;
}

.club-pill {
  background: rgba(255, 255, 255, 0.12);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-creme-light);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.about-feature-box {
  background: var(--color-white);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-vert-cafe);
  box-shadow: var(--shadow-sm);
}

.about-feature-box strong {
  display: block;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.about-feature-box span {
  font-size: var(--text-xs);
  color: var(--color-espresso-light);
}

/* --- Contact & Segmented Lead Forms --- */
.contact-tabs-wrapper {
  max-width: 760px;
  margin: 0 auto;
}

.contact-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: 2px solid var(--color-border);
}

.contact-tab-btn {
  background: transparent;
  border: none;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-espresso-light);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.contact-tab-btn.active {
  color: var(--color-espresso);
}

.contact-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-or-chaud);
}

.contact-tab-btn[data-tab="courtage"].active::after {
  background-color: var(--color-terracotta);
}

.form-panel {
  display: none;
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.form-panel.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
  color: var(--color-espresso);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-espresso);
  background-color: var(--color-creme-light);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-or-chaud);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(201, 150, 60, 0.15);
}

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

.form-status {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  display: none;
  font-size: var(--text-sm);
}

.form-status.success {
  display: block;
  background-color: var(--color-vert-cafe-light);
  color: var(--color-vert-cafe-hover);
  border: 1px solid rgba(92, 107, 79, 0.3);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-espresso-dark);
  color: var(--color-creme);
  padding: var(--space-16) 0 var(--space-8) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand h3 {
  color: var(--color-creme);
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.footer-brand p {
  color: rgba(245, 237, 227, 0.75);
  font-size: var(--text-sm);
  max-width: 360px;
}

.footer-col h4 {
  color: var(--color-or-chaud);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: rgba(245, 237, 227, 0.8);
  font-size: var(--text-sm);
}

.footer-links a:hover {
  color: var(--color-or-chaud);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(245, 237, 227, 0.6);
}

/* --- Course & Section Image Styles --- */
.course-card-img {
  width: calc(100% + (var(--space-6) * 2));
  max-width: none;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-6)) var(--space-4) calc(-1 * var(--space-6));
  display: block;
  border-bottom: 1px solid var(--color-border);
  transition: transform var(--transition-normal);
}

.course-card:hover .course-card-img {
  transform: scale(1.03);
}

.about-images-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.about-image-card-box {
  background: var(--color-white);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-normal);
}

.about-image-card-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.about-image-card-box img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

.about-image-caption {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-espresso);
  margin-bottom: var(--space-1);
}

.about-image-sub {
  font-size: var(--text-xs);
  color: var(--color-espresso-light);
}

.courtage-visual-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.courtage-visual-gallery img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.courtage-visual-gallery img:hover {
  transform: scale(1.02);
}

.section-panoramic-divider {
  width: 100%;
  max-height: 180px;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-panoramic-divider img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS (TABLET & MOBILE)
   ========================================================================== */

/* --- Tablet & Medium Screens (max-width: 1024px) --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .hero-visual {
    margin-top: var(--space-2);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .courtage-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }

  .d-none-mobile {
    display: none !important;
  }
}

/* --- Mobile Navigation & Intermediate Tablet (max-width: 768px) --- */
@media (max-width: 768px) {
  .site-header {
    height: 60px;
  }

  .nav-container {
    gap: var(--space-2);
  }

  .brand-link {
    gap: var(--space-2);
  }

  .brand-title {
    font-size: 1.05rem;
  }

  .brand-logo {
    width: 34px;
    height: 34px;
  }

  .nav-actions {
    gap: var(--space-2);
  }

  .lang-switcher {
    padding: 2px;
  }

  .lang-btn {
    padding: 2px 6px;
    font-size: 0.7rem;
  }

  .nav-links {
    display: none;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: rgba(245, 237, 227, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: var(--space-6) var(--space-6) var(--space-8) var(--space-6);
    border-bottom: 2px solid var(--color-or-chaud);
    box-shadow: var(--shadow-xl);
    gap: var(--space-3);
    z-index: 999;
  }

  .nav-links.mobile-open .nav-link {
    font-size: var(--text-base);
    padding: var(--space-3) 0;
    border-bottom: 1px solid rgba(59, 42, 33, 0.08);
  }

  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    padding: 6px;
    border-radius: var(--radius-sm);
  }

  .hero-section {
    padding: var(--space-12) 0 var(--space-16) 0;
  }

  .hero-showcase-wrapper {
    max-width: 380px;
  }

  .hero-showcase-img {
    height: 360px;
  }

  .flagship-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  .flagship-banner .btn {
    width: 100%;
    text-align: center;
  }
}

/* --- Standard Mobile Devices (max-width: 640px) --- */
@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: var(--space-3);
  }

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

  .hero-trust-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .hero-showcase-wrapper {
    max-width: 320px;
  }

  .hero-showcase-img {
    height: 300px;
  }

  .hero-floating-badge-top {
    top: -10px;
    left: 0;
    font-size: 0.7rem;
    padding: 4px 10px;
  }

  .hero-floating-badge-bottom {
    bottom: -10px;
    right: 0;
    font-size: 0.7rem;
    padding: 4px 10px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .about-images-duo {
    grid-template-columns: 1fr;
  }

  .about-image-card-box img {
    height: 180px;
  }

  .courtage-visual-gallery {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .courtage-visual-gallery img {
    height: 130px;
  }

  .section-panoramic-divider,
  .section-panoramic-divider img {
    height: 130px;
  }

  .club-teaser-card {
    padding: var(--space-8) var(--space-4);
  }

  .contact-tabs {
    display: flex;
    width: 100%;
    gap: var(--space-2);
  }

  .contact-tab-btn {
    flex: 1;
    text-align: center;
    padding: var(--space-3) var(--space-2);
    font-size: var(--text-xs);
  }

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

  /* Prevent automatic iOS Safari zoom on input focus */
  .form-control {
    font-size: 16px !important;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-brand > div {
    justify-content: center;
  }

  .footer-brand p {
    margin: 0 auto;
  }

  .footer-links {
    align-items: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }
}

/* --- Small Mobile Devices (max-width: 400px) --- */
@media (max-width: 400px) {
  .brand-title {
    font-size: 0.875rem;
  }

  .brand-logo {
    width: 28px;
    height: 28px;
  }

  .lang-btn {
    padding: 1px 4px;
    font-size: 0.65rem;
  }

  .hero-showcase-wrapper {
    max-width: 280px;
  }

  .hero-showcase-img {
    height: 260px;
  }

  .courtage-visual-gallery {
    grid-template-columns: 1fr;
  }

  .courtage-visual-gallery img {
    height: 150px;
  }

  .hero-floating-badge-top,
  .hero-floating-badge-bottom {
    font-size: 0.65rem;
    padding: 3px 8px;
  }
}