/* ==========================================================================
   Go-Zen — Feuille de style raffinée
   Palette : sage, mint, ivoire, navy profond
   Typographie : Cormorant Garamond (serif élégant) + Jost (sans-serif épurée)
                 + Parisienne (signature manuscrite)
   ========================================================================== */

:root {
  --color-sage: #9DB58A;
  --color-sage-dark: #7A9467;
  --color-sage-deep: #556B48;
  --color-mint: #E3ECDC;
  --color-mint-light: #F1F5ED;
  --color-ivory: #FAF7F0;
  --color-ivory-warm: #F5F1E8;
  --color-white: #FFFFFF;
  --color-navy: #1C2838;
  --color-navy-light: #2E3D52;
  --color-text: #4A5566;
  --color-muted: #8A93A2;
  --color-border: #E8E2D5;
  --color-border-light: #EFEBE0;
  --color-accent: #A89968;

  --font-display: 'Cormorant Garamond', 'Cormorant', Georgia, serif;
  --font-body: 'Jost', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-script: 'Parisienne', 'Dancing Script', cursive;

  --max-width: 1180px;
  --max-width-narrow: 960px;
  --radius: 2px;
  --radius-lg: 4px;
  --shadow-soft: 0 20px 60px rgba(28, 40, 56, 0.06);
  --shadow-medium: 0 30px 80px rgba(28, 40, 56, 0.10);
  --transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: all 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.01em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-navy);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.005em;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1rem;
  letter-spacing: 0;
}

h4 {
  font-size: 1.1rem;
  font-weight: 500;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

p {
  margin-bottom: 1.25rem;
  font-weight: 300;
}

a {
  color: var(--color-sage-deep);
  text-decoration: none;
  transition: var(--transition);
}

a:hover { color: var(--color-navy); }

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

/* Italic accent style for elegance */
.italic-accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  color: var(--color-sage-deep);
}

.script {
  font-family: var(--font-script);
  font-weight: 400;
  color: var(--color-sage-deep);
  font-size: 1.4em;
  line-height: 1;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2.5rem;
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 2.5rem;
}

section {
  padding: 7rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 5rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-title h2 {
  margin-bottom: 1.5rem;
}

.section-title p {
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  font-weight: 300;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-sage-deep);
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 2.5rem;
}

.eyebrow::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.75rem;
  height: 1px;
  background: var(--color-sage);
}

.eyebrow-center {
  padding-left: 0;
  padding: 0 2.5rem;
}

.eyebrow-center::before {
  left: 0;
}

.eyebrow-center::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 1.75rem;
  height: 1px;
  background: var(--color-sage);
}

/* Divider ornament */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

.divider::before,
.divider::after {
  content: '';
  height: 1px;
  width: 48px;
  background: var(--color-sage);
}

.divider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-sage);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 240, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-light);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.75rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-script);
  font-size: 1.9rem;
  color: var(--color-navy);
  font-weight: 400;
  line-height: 1;
}

.nav-logo svg {
  width: 42px;
  height: 30px;
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
  align-items: center;
}

.nav-links > li > a {
  color: var(--color-navy);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  position: relative;
  padding: 0.5rem 0;
}

.nav-links > li > a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--color-sage-dark);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-links > li > a:hover::after,
.nav-links > li > a.active::after {
  width: 100%;
}

.nav-links .nav-cta {
  padding: 0.85rem 1.75rem;
  border: 1px solid var(--color-navy);
  color: var(--color-navy);
  letter-spacing: 0.2em;
}

.nav-links .nav-cta:hover {
  background: var(--color-navy);
  color: var(--color-ivory);
}

.nav-links .nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-navy);
  margin: 6px 0;
  transition: var(--transition);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 1.1rem 2.5rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-navy);
  color: var(--color-ivory);
  border-color: var(--color-navy);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-navy);
}

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

.btn-outline:hover {
  background: var(--color-navy);
  color: var(--color-ivory);
}

.btn-sage {
  background: var(--color-sage-dark);
  color: var(--color-ivory);
  border-color: var(--color-sage-dark);
}

.btn-sage:hover {
  background: transparent;
  color: var(--color-sage-deep);
  border-color: var(--color-sage-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--color-navy);
  padding: 0.5rem 0;
  border: none;
  border-bottom: 1px solid var(--color-navy);
  letter-spacing: 0.22em;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-ghost:hover {
  padding-left: 0.5rem;
  color: var(--color-sage-deep);
  border-color: var(--color-sage-deep);
}

.btn-ghost::after {
  content: '→';
  font-size: 1rem;
  transition: transform 0.3s;
}

.btn-ghost:hover::after {
  transform: translateX(4px);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 6rem 0 8rem;
  background: linear-gradient(180deg, var(--color-ivory) 0%, var(--color-mint-light) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(157, 181, 138, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 5rem;
  align-items: center;
  position: relative;
}

.hero-content .eyebrow {
  margin-bottom: 2rem;
}

.hero h1 {
  margin-bottom: 2rem;
  line-height: 1.1;
}

.hero h1 .italic-accent {
  display: block;
  font-size: 0.85em;
  margin-top: 0.25rem;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 2.5rem;
  line-height: 1.9;
  max-width: 520px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  background-image:
    linear-gradient(180deg, rgba(20, 16, 12, 0.0) 0%, rgba(20, 16, 12, 0.55) 100%),
    url('images/gozen-face.jpg?v=5');
  background-size: cover;
  background-position: center;
  background-color: #f4f4f6;
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  pointer-events: none;
  z-index: 2;
}

.hero-visual-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4rem 3.5rem;
  color: var(--color-ivory);
}

.hero-visual-content .quote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 1.5rem;
  line-height: 1.5;
  letter-spacing: 0.005em;
}

.hero-visual-content .quote-mark {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.3;
  display: block;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* ==========================================================================
   Cards / Mission
   ========================================================================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.card {
  background: var(--color-white);
  padding: 3.5rem 2.5rem;
  border-radius: 0;
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-sage);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
  border-color: transparent;
}

.card:hover::before {
  width: 60%;
}

.card-mint {
  background: var(--color-ivory-warm);
  border: 1px solid var(--color-border-light);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--color-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--color-sage-deep);
  background: var(--color-ivory);
}

.card h3 {
  color: var(--color-navy);
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
}

.card p {
  color: var(--color-text);
  font-size: 0.98rem;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.card p:last-child { margin-bottom: 0; }

/* ==========================================================================
   Benefits
   ========================================================================== */

.benefits {
  background: var(--color-ivory-warm);
  position: relative;
}

.benefits::before,
.benefits::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  background: var(--color-sage);
  opacity: 0.5;
}

.benefits::before { top: 0; }
.benefits::after { bottom: 0; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
  position: relative;
}

.benefit {
  text-align: center;
  position: relative;
}

.benefit-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  font-family: var(--font-display);
  font-size: 2rem;
  font-style: italic;
  font-weight: 400;
  color: var(--color-sage-deep);
  margin-bottom: 1.5rem;
  position: relative;
}

.benefit-number::before,
.benefit-number::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 1px;
  background: var(--color-sage);
  top: 50%;
}

.benefit-number::before { right: 100%; margin-right: 8px; }
.benefit-number::after { left: 100%; margin-left: 8px; }

.benefit h3 {
  margin-bottom: 1rem;
  font-weight: 500;
}

.benefit p {
  color: var(--color-text);
  font-size: 0.98rem;
  font-weight: 300;
  line-height: 1.85;
}

/* ==========================================================================
   References
   ========================================================================== */

.references {
  background: var(--color-ivory);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.reference {
  text-align: center;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.reference:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}

.reference-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  background: var(--color-mint-light);
}

.reference-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
  filter: saturate(0.92);
}

.reference:hover .reference-image img {
  transform: scale(1.05);
  filter: saturate(1);
}

.reference-body {
  padding: 2.25rem 2rem 2.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.reference-logo {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-navy);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.reference p {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.8;
  margin: 0;
}

/* ==========================================================================
   Offer
   ========================================================================== */

.offer {
  background: var(--color-navy);
  color: var(--color-ivory);
  position: relative;
  overflow: hidden;
}

.offer::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(157, 181, 138, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.offer h2,
.offer .eyebrow {
  color: var(--color-ivory);
}

.offer .eyebrow {
  color: var(--color-sage);
}

.offer .eyebrow::before,
.offer .eyebrow::after {
  background: var(--color-sage);
}

.offer .section-title p {
  color: rgba(250, 247, 240, 0.7);
}

.offer-card {
  max-width: 800px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(157, 181, 138, 0.25);
  padding: 4.5rem 4rem;
  position: relative;
  backdrop-filter: blur(10px);
}

.offer-card::before,
.offer-card::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  border: 1px solid var(--color-sage);
}

.offer-card::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.offer-card::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.offer-card h3 {
  color: var(--color-ivory);
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
  text-align: center;
}

.offer-card .duration {
  color: var(--color-sage);
  font-size: 0.78rem;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.offer-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding: 2rem 0;
  border-top: 1px solid rgba(157, 181, 138, 0.2);
  border-bottom: 1px solid rgba(157, 181, 138, 0.2);
}

.offer-features h4 {
  color: var(--color-sage);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  font-weight: 500;
  font-family: var(--font-body);
}

.offer-features ul {
  list-style: none;
}

.offer-features li {
  padding: 0.6rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: rgba(250, 247, 240, 0.82);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
}

.offer-features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-sage);
}

.offer-cta-wrap {
  text-align: center;
  margin-top: 1rem;
}

/* ==========================================================================
   CTA
   ========================================================================== */

.cta {
  background: linear-gradient(135deg, var(--color-mint) 0%, var(--color-sage) 100%);
  text-align: center;
  color: var(--color-navy);
  position: relative;
}

.cta .eyebrow {
  color: var(--color-navy);
}

.cta .eyebrow::before,
.cta .eyebrow::after {
  background: var(--color-navy);
}

.cta h2 {
  color: var(--color-navy);
  margin-bottom: 1.5rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.cta p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  color: var(--color-navy);
  opacity: 0.82;
  font-weight: 300;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-navy);
  color: rgba(250, 247, 240, 0.7);
  padding: 5rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .nav-logo {
  color: var(--color-ivory);
  margin-bottom: 1.5rem;
}

.footer-brand p {
  font-size: 0.95rem;
  max-width: 360px;
  line-height: 1.85;
  font-weight: 300;
  font-style: italic;
  font-family: var(--font-display);
}

.footer h4 {
  color: var(--color-ivory);
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  font-weight: 300;
}

.footer a {
  color: rgba(250, 247, 240, 0.7);
}

.footer a:hover {
  color: var(--color-sage);
}

.footer-bottom {
  padding-top: 2.5rem;
  border-top: 1px solid rgba(250, 247, 240, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(250, 247, 240, 0.45);
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Product page
   ========================================================================== */

/* ==========================================================================
   Brand video (CSS animated loop)
   ========================================================================== */

.brand-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 640px;
  overflow: hidden;
  background: linear-gradient(180deg, #1A1713 0%, #0A0906 100%);
  box-shadow: var(--shadow-medium);
}

.brand-video-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.brand-video-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: bv-cycle 24s infinite;
}

.brand-video-slide .bv-inner {
  text-align: center;
  color: var(--color-ivory);
  padding: 2rem 3rem;
  max-width: 90%;
}

.brand-video-slide .bv-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-sage);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: bv-fade 24s infinite;
}

.brand-video-slide h2,
.brand-video-slide .bv-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.1;
  color: var(--color-ivory);
  margin: 0;
}

.brand-video-slide .bv-title em,
.brand-video-slide .bv-accent {
  font-style: italic;
  color: var(--color-sage);
  font-weight: 400;
}

.brand-video-slide .bv-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: rgba(250, 247, 240, 0.85);
  margin-top: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.brand-video-slide .bv-stats {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.brand-video-slide .bv-stat {
  text-align: center;
}

.brand-video-slide .bv-stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 300;
  color: var(--color-sage);
  line-height: 1;
}

.brand-video-slide .bv-stat-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(250, 247, 240, 0.75);
  margin-top: 0.6rem;
}

.brand-video-slide .bv-cta {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.9rem 2rem;
  border: 1px solid var(--color-sage);
  color: var(--color-ivory);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s ease;
  background: rgba(125, 148, 103, 0.08);
}

.brand-video-slide .bv-cta:hover {
  background: var(--color-sage);
  color: var(--color-navy);
}

.brand-video-slide.bv-s1 { animation-delay: 0s; }
.brand-video-slide.bv-s2 { animation-delay: 4s; }
.brand-video-slide.bv-s3 { animation-delay: 8s; }
.brand-video-slide.bv-s4 { animation-delay: 12s; }
.brand-video-slide.bv-s5 { animation-delay: 16s; }
.brand-video-slide.bv-s6 { animation-delay: 20s; }

.brand-video-slide.bv-s1 .bv-eyebrow { animation-delay: 0.3s; }
.brand-video-slide.bv-s2 .bv-eyebrow { animation-delay: 4.3s; }
.brand-video-slide.bv-s3 .bv-eyebrow { animation-delay: 8.3s; }
.brand-video-slide.bv-s4 .bv-eyebrow { animation-delay: 12.3s; }
.brand-video-slide.bv-s5 .bv-eyebrow { animation-delay: 16.3s; }
.brand-video-slide.bv-s6 .bv-eyebrow { animation-delay: 20.3s; }

@keyframes bv-cycle {
  0% { opacity: 0; transform: scale(1.02); }
  3% { opacity: 1; transform: scale(1); }
  16% { opacity: 1; transform: scale(1); }
  19% { opacity: 0; transform: scale(0.99); }
  100% { opacity: 0; transform: scale(0.99); }
}

@keyframes bv-fade {
  0% { opacity: 0; transform: translateY(6px); }
  4% { opacity: 1; transform: translateY(0); }
  16% { opacity: 1; transform: translateY(0); }
  19% { opacity: 0; transform: translateY(-6px); }
  100% { opacity: 0; transform: translateY(-6px); }
}

/* Video background chair image */
.bv-chair-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(10, 9, 6, 0.72) 0%, rgba(10, 9, 6, 0.4) 50%, rgba(10, 9, 6, 0.72) 100%),
    url('images/fauteuil-ambiance.jpg?v=5');
  background-size: cover;
  background-position: center;
  filter: saturate(0.9);
  animation: bv-zoom 24s infinite linear;
}

@keyframes bv-zoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

/* Progress dots */
.bv-progress {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  z-index: 10;
}

.bv-progress span {
  width: 24px;
  height: 2px;
  background: rgba(250, 247, 240, 0.25);
  position: relative;
  overflow: hidden;
}

.bv-progress span::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-sage);
  transform: translateX(-100%);
  animation: bv-dot 24s infinite linear;
}

.bv-progress span:nth-child(1)::after { animation-delay: 0s; }
.bv-progress span:nth-child(2)::after { animation-delay: 4s; }
.bv-progress span:nth-child(3)::after { animation-delay: 8s; }
.bv-progress span:nth-child(4)::after { animation-delay: 12s; }
.bv-progress span:nth-child(5)::after { animation-delay: 16s; }
.bv-progress span:nth-child(6)::after { animation-delay: 20s; }

@keyframes bv-dot {
  0%   { transform: translateX(-100%); }
  0.1% { transform: translateX(-100%); }
  16%  { transform: translateX(0%); }
  17%  { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* Video "play" badge — subtle corner */
.bv-badge {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(250, 247, 240, 0.7);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  z-index: 10;
}

.bv-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-sage);
  animation: bv-pulse 1.8s infinite;
}

@keyframes bv-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(157, 181, 138, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(157, 181, 138, 0); }
}

@media (max-width: 700px) {
  .brand-video { aspect-ratio: 4 / 5; }
  .brand-video-slide .bv-inner { padding: 1rem 1.5rem; }
  .brand-video-slide .bv-stats { gap: 1.2rem; }
}

/* ==========================================================================
   Image banner (full-width)
   ========================================================================== */

.image-banner {
  position: relative;
  height: 520px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-ivory);
}

.image-banner-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.image-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-banner-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28, 40, 56, 0.35) 0%, rgba(28, 40, 56, 0.65) 100%);
}

.image-banner-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 0 2rem;
}

.image-banner .eyebrow {
  color: var(--color-ivory);
  margin-bottom: 1.5rem;
}

.image-banner .eyebrow::before,
.image-banner .eyebrow::after {
  background: var(--color-ivory);
}

.image-banner h2 {
  color: var(--color-ivory);
  margin-bottom: 1.25rem;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

.image-banner p {
  color: rgba(250, 247, 240, 0.9);
  font-size: 1.05rem;
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 300;
}

/* ==========================================================================
   Logo mark (brand) block
   ========================================================================== */

.brand-mark {
  padding: 5rem 0;
  background: var(--color-ivory);
  text-align: center;
}

.brand-mark-logo {
  max-width: 280px;
  margin: 0 auto 1.5rem;
}

.brand-mark-logo img {
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}

.brand-mark-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-navy);
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ==========================================================================
   Product page
   ========================================================================== */

.page-header {
  padding: 6rem 0 5rem;
  background: var(--color-ivory-warm);
  text-align: center;
  position: relative;
}

.page-header-image {
  padding: 8rem 0 7rem;
  position: relative;
  overflow: hidden;
  color: var(--color-ivory);
}

.page-header-image > .container {
  position: relative;
  z-index: 1;
}

.page-header-image .eyebrow,
.page-header-image h1 {
  color: var(--color-ivory);
}

.page-header-image .eyebrow::before,
.page-header-image .eyebrow::after {
  background: var(--color-sage);
}

.page-header-image > .container > p {
  color: rgba(250, 247, 240, 0.9);
}

.page-header-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(10, 9, 6, 0.4) 0%, rgba(10, 9, 6, 0.7) 100%),
    url('images/fauteuil-ambiance.jpg?v=5');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.page-header-image::after {
  display: none;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: var(--color-sage);
}

.page-header .eyebrow {
  margin-bottom: 1.5rem;
}

.page-header h1 {
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-header > .container > p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--color-text);
  font-weight: 300;
  line-height: 1.85;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-bottom: 7rem;
}

.feature-row:last-child { margin-bottom: 0; }

.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }

.feature-visual {
  aspect-ratio: 4 / 5;
  background: var(--color-mint-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ivory);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.feature-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.feature-visual:hover img {
  transform: scale(1.04);
}

.feature-visual::after {
  content: '';
  position: absolute;
  inset: 1.5rem;
  border: 1px solid rgba(250, 247, 240, 0.5);
  pointer-events: none;
  z-index: 2;
}

.feature-content .eyebrow {
  margin-bottom: 1.25rem;
}

.feature-content h2 {
  margin-bottom: 1.5rem;
}

.feature-content > p {
  font-size: 1.05rem;
  line-height: 1.9;
  font-weight: 300;
}

.feature-content ul {
  list-style: none;
  margin-top: 2rem;
  border-top: 1px solid var(--color-border-light);
}

.feature-content li {
  padding: 1rem 0 1rem 2rem;
  position: relative;
  color: var(--color-text);
  font-weight: 300;
  border-bottom: 1px solid var(--color-border-light);
}

.feature-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.7rem;
  width: 16px;
  height: 1px;
  background: var(--color-sage-dark);
}

/* ==========================================================================
   Contact page
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-info > p {
  color: var(--color-text);
  margin-bottom: 3rem;
  font-size: 1.05rem;
  line-height: 1.85;
  font-weight: 300;
}

.contact-details {
  background: var(--color-ivory-warm);
  padding: 3rem;
  border: 1px solid var(--color-border-light);
  position: relative;
}

.contact-details::before,
.contact-details::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-sage);
}

.contact-details::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.contact-details::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.contact-detail {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border-light);
  align-items: flex-start;
}

.contact-detail:first-child { padding-top: 0; }
.contact-detail:last-child { border-bottom: none; padding-bottom: 0; }

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-sage-deep);
  flex-shrink: 0;
  background: var(--color-ivory);
}

.contact-detail-text { flex: 1; padding-top: 0.25rem; }

.contact-detail-label {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.contact-detail-value {
  font-size: 1.1rem;
  color: var(--color-navy);
  font-weight: 400;
  font-family: var(--font-display);
}

.contact-detail-value a {
  color: var(--color-navy);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.contact-detail-value a:hover {
  color: var(--color-sage-deep);
  border-bottom-color: var(--color-sage);
}

/* Form */
.contact-form {
  background: var(--color-white);
  padding: 3.5rem;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.contact-form::before,
.contact-form::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-sage);
}

.contact-form::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.contact-form::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.contact-form h2 {
  margin-bottom: 0.5rem;
  font-size: 2rem;
}

.contact-form > p {
  color: var(--color-muted);
  margin-bottom: 2.5rem;
  font-size: 0.98rem;
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 300;
}

.form-group {
  margin-bottom: 1.75rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-navy);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  transition: var(--transition);
}

.form-group select {
  padding: 0.9rem 0;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='none' stroke='%237A9467' stroke-width='1.5' d='M1 1l5 5 5-5'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.25rem center;
  padding-right: 1.5rem;
  cursor: pointer;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-bottom-color: var(--color-sage-dark);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
  font-family: var(--font-body);
  line-height: 1.7;
}

.contact-form .btn {
  width: 100%;
  padding: 1.2rem 2rem;
  font-size: 0.8rem;
  margin-top: 1rem;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 1.25rem;
  text-align: center;
  font-style: italic;
  font-family: var(--font-display);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
  section { padding: 4.5rem 0; }
  .hero { padding: 4rem 0 5rem; }
  .page-header { padding: 4rem 0 3.5rem; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-ivory);
    flex-direction: column;
    padding: 2.5rem;
    gap: 1.75rem;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .hero-grid,
  .feature-row,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .feature-row.reverse { direction: ltr; }

  .cards-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .reference {
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
  }

  .reference:last-child { border-bottom: none; }

  .offer-features,
  .form-row,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .offer-card,
  .contact-form,
  .contact-details { padding: 2.5rem; }

  .section-title { margin-bottom: 3.5rem; }

  .image-banner { height: 380px; }
  .page-header-image { padding: 5rem 0 4rem; }
  .brand-mark { padding: 3rem 0; }
  .brand-mark-logo { max-width: 220px; }
}

@media (max-width: 600px) {
  .container,
  .container-narrow { padding: 0 1.5rem; }
  .nav-container { padding: 1.25rem 1.5rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-visual-content { padding: 2.5rem; }
  .hero-visual-content .quote { font-size: 1.2rem; }
  .offer-card { padding: 2rem 1.5rem; }
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content,
.hero-visual {
  animation: fadeUp 1s ease-out both;
}

.hero-visual { animation-delay: 0.2s; }