/* =================================================================
   STUDIO YUN — Design System
   Inspiration : éditorial, calligraphique, zen
   Fonts : Fraunces (display, sérifs avec opsz)
           Inter Tight (body, sans-serif moderne)
   ================================================================= */

:root {
  /* Couleurs principales (issues de la charte) */
  --deep: #2F3F31;          /* Vert sapin foncé */
  --deep-2: #243227;        /* Vert plus profond */
  --sage: #6E8471;          /* Vert sauge */
  --sage-light: #AEB7AA;    /* Vert clair */
  --cream: #F6F3EC;         /* Crème principal */
  --cream-warm: #F0EBDF;    /* Crème + chaud */
  --sand: #D8D3CA;          /* Sable */
  --ink: #1D1D1B;           /* Noir encre */

  /* Couleurs sémantiques */
  --bg: var(--cream);
  --bg-alt: var(--cream-warm);
  --text: var(--deep);
  --text-soft: var(--sage);
  --text-muted: var(--sage-light);
  --accent: var(--deep);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 880px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* Typographie */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter Tight', system-ui, -apple-system, sans-serif;

  /* Échelle typographique */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: clamp(2.5rem, 5vw, 3.75rem);
  --fs-5xl: clamp(3rem, 7vw, 5.5rem);
  --fs-hero: clamp(2.75rem, 8vw, 6.5rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;

  /* Transitions */
  --ease: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.5s;

  /* Borders / Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;
}

/* =================================================================
   RESET + BASE
   ================================================================= */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga", "calt";
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: 0; background: 0; color: inherit; }
input, select, textarea, button { font: inherit; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }

::selection {
  background: var(--deep);
  color: var(--cream);
}

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

/* =================================================================
   LOADER (encre calligraphique au démarrage)
   ================================================================= */

.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--cream);
  transition: opacity 0.6s var(--ease-out), visibility 0.6s var(--ease-out);
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  width: 160px;
  height: 160px;
  display: grid;
  place-items: center;
}

.loader-inner svg { width: 100%; height: 100%; overflow: visible; }

.loader-ink {
  fill: none;
  stroke: var(--deep);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 100;
  animation: ink-flow 2.4s cubic-bezier(.6, .05, .3, .95) infinite;
}

@keyframes ink-flow {
  0% { stroke-dashoffset: 100; }
  50% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -100; }
}

.loader-logo {
  transform-origin: center;
  animation: logo-pulse 2.4s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%, 100% { opacity: 0.78; transform: scale(0.94); }
  50% { opacity: 1; transform: scale(1.02); }
}

/* =================================================================
   HEADER
   ================================================================= */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  background: rgba(246, 243, 236, 0.7);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s var(--ease);
}

.header.is-scrolled {
  background: rgba(246, 243, 236, 0.9);
  border-bottom-color: rgba(47, 63, 49, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: opacity 0.3s var(--ease);
}

.logo:hover { opacity: 0.7; }

.logo-img {
  height: 38px;
  width: auto;
}

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

.nav-desktop a {
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.3s var(--ease);
}

.nav-desktop a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--deep);
  transition: width 0.3s var(--ease);
}

.nav-desktop a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  background: var(--deep);
  color: var(--cream);
  padding: 0.625rem 1.25rem !important;
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.nav-cta:hover {
  background: var(--deep-2);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--deep);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: var(--space-md) var(--gutter);
  background: var(--cream);
  border-top: 1px solid rgba(47, 63, 49, 0.08);
}

.nav-mobile a {
  padding: 1rem 0;
  font-size: var(--fs-lg);
  font-family: var(--font-display);
  font-weight: 400;
  border-bottom: 1px solid rgba(47, 63, 49, 0.08);
}

.nav-mobile a:last-child { border-bottom: 0; }

.nav-mobile.is-open {
  display: flex;
  animation: slideDown 0.3s var(--ease-out);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =================================================================
   HERO
   ================================================================= */

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 8rem 0 6rem;
  overflow: hidden;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-warm) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-watermark {
  position: absolute;
  top: 50%;
  right: -10%;
  transform: translateY(-50%);
  width: 60vw;
  max-width: 700px;
  opacity: 0.04;
  filter: blur(0.5px);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width-narrow);
  text-align: left;
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-soft);
  margin-bottom: var(--space-md);
  padding: 0.4rem 0.875rem;
  background: rgba(47, 63, 49, 0.06);
  border-radius: var(--radius-pill);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: var(--space-lg);
  font-variation-settings: "opsz" 144;
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--deep);
  position: relative;
  padding: 0 0.05em;
}

.hero-title em::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(110, 132, 113, 0.18) 60%);
  z-index: -1;
}

.hero-title-quiet {
  color: var(--text-soft);
  font-style: italic;
}

.hero-lede {
  font-size: var(--fs-xl);
  line-height: 1.55;
  max-width: 38em;
  color: var(--text);
  margin-bottom: var(--space-xl);
  font-weight: 400;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-soft);
  margin-bottom: var(--space-xl);
  padding: 0.625rem 1.25rem;
  border: 1px solid rgba(47, 63, 49, 0.18);
  border-radius: var(--radius-pill);
}

.hero-dot {
  font-size: 1.2em;
  line-height: 1;
  color: var(--sage);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-soft);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-soft), transparent);
  animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* =================================================================
   BOUTONS
   ================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 1rem 1.75rem;
  font-size: var(--fs-base);
  font-weight: 500;
  letter-spacing: -0.01em;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
  text-align: center;
}

.btn-primary {
  background: var(--deep);
  color: var(--cream);
  border: 1px solid var(--deep);
}

.btn-primary:hover {
  background: var(--deep-2);
  border-color: var(--deep-2);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(47, 63, 49, 0.25);
}

.btn-primary svg {
  transition: transform 0.3s var(--ease);
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

.btn-secondary {
  background: transparent;
  color: var(--deep);
  border: 1px solid rgba(47, 63, 49, 0.25);
}

.btn-secondary:hover {
  background: var(--deep);
  color: var(--cream);
  border-color: var(--deep);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* =================================================================
   SECTION HEADERS (utilisé pour offre / produits / pourquoi…)
   ================================================================= */

.section-header {
  max-width: var(--max-width-narrow);
  margin-bottom: var(--space-2xl);
}

.section-num {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-sm);
  color: var(--text-soft);
  letter-spacing: 0.05em;
  margin-right: var(--space-sm);
}

.section-num.light { color: var(--sage-light); }

.section-label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-soft);
}

.section-label.light { color: var(--sage-light); }

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: var(--space-md) 0 var(--space-md);
  color: var(--text);
  font-variation-settings: "opsz" 144;
}

.section-title.light { color: var(--cream); }

.section-title em {
  font-style: italic;
  color: var(--sage);
}

.section-title.light em {
  color: var(--cream-warm);
  opacity: 0.85;
}

.section-lede {
  font-size: var(--fs-lg);
  line-height: 1.55;
  color: var(--text);
  max-width: 42em;
}

/* =================================================================
   SECTION OFFRE
   ================================================================= */

.offre {
  padding: var(--space-3xl) 0;
  background: var(--cream);
  position: relative;
}

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

.offre-card {
  position: relative;
  padding: var(--space-xl);
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(47, 63, 49, 0.08);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.offre-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(47, 63, 49, 0.15);
}

.offre-card-engaged {
  background: var(--deep);
  color: var(--cream);
  border-color: var(--deep);
}

.offre-card-tag {
  position: absolute;
  top: -10px;
  right: var(--space-lg);
  background: var(--sage);
  color: var(--cream);
  padding: 0.4rem 0.875rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border-radius: var(--radius-pill);
}

.offre-card-title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 400;
  font-style: italic;
  margin-bottom: var(--space-md);
  color: inherit;
  opacity: 0.85;
}

.offre-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: var(--space-md);
}

.offre-price-amount {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 144;
}

.offre-price-currency {
  font-size: 0.65em;
  font-weight: 400;
  vertical-align: top;
}

.offre-price-period {
  font-size: var(--fs-base);
  opacity: 0.7;
}

.offre-card-desc {
  margin-bottom: var(--space-lg);
  line-height: 1.55;
  opacity: 0.85;
}

.offre-card-engaged .btn-primary {
  background: var(--cream);
  color: var(--deep);
  border-color: var(--cream);
}

.offre-card-engaged .btn-primary:hover {
  background: var(--cream-warm);
  border-color: var(--cream-warm);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.3);
}

.offre-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(47, 63, 49, 0.12);
}

.offre-included h4,
.offre-excluded h4 {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.offre-included ul,
.offre-excluded ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.offre-included li,
.offre-excluded li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  line-height: 1.5;
}

.check {
  color: var(--sage);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1em;
}

.dash {
  color: var(--text-muted);
  flex-shrink: 0;
  margin-top: 0.1em;
}

.muted {
  font-weight: 400;
  font-style: italic;
  color: var(--text-soft);
  font-size: 0.9em;
}

/* =================================================================
   SECTION PRODUITS
   ================================================================= */

.produits {
  padding: var(--space-3xl) 0;
  background: var(--bg-alt);
  position: relative;
}

.produit-card {
  background: var(--cream);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3.5rem);
  border: 1px solid rgba(47, 63, 49, 0.08);
  position: relative;
  overflow: hidden;
}

.produit-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(110, 132, 113, 0.08), transparent 70%);
  pointer-events: none;
}

.produit-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.875rem;
  background: rgba(110, 132, 113, 0.12);
  color: var(--sage);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sage);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.produit-title {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.produit-desc {
  font-size: var(--fs-lg);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  max-width: 50em;
}

.produit-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid rgba(47, 63, 49, 0.08);
  border-bottom: 1px solid rgba(47, 63, 49, 0.08);
}

.feature h4 {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  font-style: italic;
  margin-bottom: 0.4rem;
  color: var(--deep);
}

.feature p {
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--text-soft);
}

.produit-pricing {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.pricing-line {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.pricing-amount {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--deep);
}

.pricing-context {
  font-size: var(--fs-sm);
  color: var(--text-soft);
  font-style: italic;
}

.pricing-plus {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  color: var(--text-muted);
  font-weight: 300;
}

/* =================================================================
   SECTION POURQUOI
   ================================================================= */

.pourquoi {
  padding: var(--space-3xl) 0;
  background: var(--cream);
}

.pourquoi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.pourquoi-item {
  padding: var(--space-lg);
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(47, 63, 49, 0.05);
  transition: all 0.4s var(--ease);
}

.pourquoi-item:hover {
  background: var(--cream-warm);
  border-color: rgba(47, 63, 49, 0.12);
  transform: translateY(-4px);
}

.pourquoi-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  background: rgba(47, 63, 49, 0.06);
  color: var(--deep);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.pourquoi-icon svg {
  width: 28px;
  height: 28px;
}

.pourquoi-item h3 {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.015em;
}

.pourquoi-item p {
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text);
}

/* =================================================================
   SECTION À PROPOS
   ================================================================= */

.a-propos {
  padding: var(--space-3xl) 0;
  background: var(--deep);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.a-propos::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(110, 132, 113, 0.15), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(174, 183, 170, 0.08), transparent 50%);
  pointer-events: none;
}

.a-propos-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  align-items: center;
}

.a-propos-mark {
  display: grid;
  place-items: center;
  padding: var(--space-lg);
}

.a-propos-mark img {
  max-width: 240px;
  width: 100%;
  opacity: 0.95;
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.15));
}

.a-propos-content {
  max-width: 38em;
}

.a-propos-text {
  font-size: var(--fs-lg);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  color: var(--cream-warm);
}

.a-propos-text-strong {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-xl);
  line-height: 1.5;
  margin: var(--space-lg) 0;
  color: var(--cream);
  position: relative;
  padding-left: var(--space-md);
  border-left: 2px solid var(--sage-light);
}

.a-propos-signature {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(174, 183, 170, 0.2);
}

.signature-name {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  font-style: italic;
  color: var(--cream);
}

.signature-role {
  font-size: var(--fs-sm);
  color: var(--sage-light);
  letter-spacing: 0.05em;
}

/* =================================================================
   SECTION CONTACT
   ================================================================= */

.contact {
  padding: var(--space-3xl) 0;
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-row { width: 100%; }

.form-label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.form-label > span {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-soft);
  letter-spacing: -0.01em;
}

.form-label input,
.form-label select,
.form-label textarea {
  padding: 0.875rem 1rem;
  background: var(--bg-alt);
  border: 1px solid rgba(47, 63, 49, 0.12);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: var(--fs-base);
  transition: border 0.3s var(--ease), background 0.3s var(--ease);
  width: 100%;
}

.form-label textarea {
  resize: vertical;
  min-height: 130px;
  font-family: var(--font-body);
}

.form-label input:focus,
.form-label select:focus,
.form-label textarea:focus {
  outline: 0;
  border-color: var(--deep);
  background: var(--cream);
}

.form-label input::placeholder,
.form-label textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: var(--fs-sm);
  color: var(--text-soft);
  line-height: 1.5;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 0.125rem;
  flex-shrink: 0;
  accent-color: var(--deep);
  cursor: pointer;
}

.form-rgpd { margin-top: var(--space-sm); }

.form-success {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: rgba(110, 132, 113, 0.12);
  color: var(--sage);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
}

.contact-aside {
  padding: var(--space-lg);
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(47, 63, 49, 0.08);
}

.contact-aside h3 {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-style: italic;
  font-weight: 400;
  margin-bottom: var(--space-md);
  color: var(--deep);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: var(--space-sm) 0;
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px solid rgba(47, 63, 49, 0.08);
  transition: color 0.3s var(--ease);
}

.contact-link:hover { color: var(--sage); }

.contact-link svg { color: var(--sage); flex-shrink: 0; }

.contact-note {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--text-soft);
}

.contact-note strong { color: var(--text); font-weight: 600; }

/* =================================================================
   FOOTER
   ================================================================= */

.footer {
  background: var(--deep-2);
  color: var(--cream-warm);
  padding: var(--space-2xl) 0 var(--space-md);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(174, 183, 170, 0.15);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  height: 42px;
  width: auto;
  margin-bottom: var(--space-md);
}

.footer-tagline {
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--sage-light);
  margin-bottom: var(--space-sm);
}

.footer-baseline {
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--cream-warm);
  opacity: 0.7;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.footer-nav h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--cream);
  margin-bottom: var(--space-md);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-nav a {
  font-size: var(--fs-sm);
  color: var(--cream-warm);
  opacity: 0.75;
  transition: opacity 0.3s var(--ease);
}

.footer-nav a:hover { opacity: 1; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-md);
}

.footer-copyright {
  font-size: var(--fs-xs);
  color: var(--cream-warm);
  opacity: 0.5;
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-legal a {
  font-size: var(--fs-xs);
  color: var(--cream-warm);
  opacity: 0.5;
  transition: opacity 0.3s var(--ease);
}

.footer-legal a:hover { opacity: 1; }


/* =================================================================
   RESPONSIVE
   ================================================================= */

@media (max-width: 1024px) {
  .a-propos-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
  .a-propos-content { margin: 0 auto; }
  .a-propos-text-strong { text-align: left; }

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

  .footer-top { grid-template-columns: 1fr; gap: var(--space-xl); }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 5rem;
    --space-2xl: 3.5rem;
  }

  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }

  .hero {
    min-height: auto;
    padding: 7rem 0 5rem;
  }

  .hero-title {
    line-height: 1.05;
  }

  .hero-watermark {
    width: 90vw;
    right: -25%;
    opacity: 0.03;
  }

  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }

  .hero-scroll { display: none; }

  .offre-grid { grid-template-columns: 1fr; }
  .offre-details { grid-template-columns: 1fr; gap: var(--space-xl); }

  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .produit-features { grid-template-columns: 1fr; }
  .produit-pricing { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }
  .pricing-plus { display: none; }
}


/* =================================================================
   ANIMATIONS AU SCROLL (Intersection Observer)
   ================================================================= */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Délais pour effet de cascade */
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }


/* =================================================================
   ACCESSIBILITÉ : prefers-reduced-motion
   ================================================================= */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-up { opacity: 1; transform: none; }
}