:root {
  /* --- Couleurs : à modifier ici pour changer l'apparence --- */
  --color-sage: #7C9070;
  --color-sage-dark: #4E5F44;
  --color-sage-deep: #33402C;
  --color-sage-light: #C7D3BA;
  --color-sage-pale: #EEF1E7;
  --color-cream: #FBF9F3;
  --color-ink: #26291F;
  --color-ink-soft: #565A4B;
  --color-accent: #C4872E;
  --color-accent-dark: #9C6A22;
  --color-white: #FFFFFF;
  --color-border: #DDE2D2;

  /* --- Typographie --- */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* --- Échelle typographique --- */
  --fs-hero: clamp(2.6rem, 5vw + 1rem, 4.6rem);
  --fs-h2: clamp(2rem, 2.8vw + 1rem, 2.9rem);
  --fs-h3: clamp(1.25rem, 1.2vw + 1rem, 1.5rem);
  --fs-body: 1.05rem;
  --fs-small: 0.9rem;
  --fs-eyebrow: 0.8rem;

  /* --- Espacements --- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5.5rem;

  /* --- Divers --- */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-soft: 0 20px 45px -25px rgba(38, 41, 31, 0.35);
  --max-width: 1180px;
  --transition: 220ms ease;
}

/* ===================== Base ===================== */

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-ink);
  background: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-sage-deep);
  line-height: 1.12;
  margin: 0;
  font-weight: 600;
}

p {
  margin: 0;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

section {
  padding: var(--space-xl) 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head p {
  color: var(--color-ink-soft);
  margin-top: var(--space-sm);
  font-size: 1.05rem;
}

/* Focus visibility for keyboard users */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===================== Boutons ===================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-sage-deep);
  color: var(--color-white) !important;
}

.btn-primary:hover {
  background: var(--color-sage-dark);
}

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

.btn-outline:hover {
  background: var(--color-sage-deep);
  color: var(--color-white);
}

.btn-block {
  width: 100%;
}

/* ===================== Header ===================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 249, 243, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--color-sage-deep);
}

.logo-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

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

.main-nav ul {
  display: flex;
  gap: var(--space-md);
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  transition: color var(--transition);
  position: relative;
}

.main-nav a:hover {
  color: var(--color-sage-deep);
}

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

.lang-toggle {
  background: var(--color-sage-pale);
  border: 1px solid var(--color-sage-light);
  color: var(--color-sage-deep);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  transition: background var(--transition);
}

.lang-toggle:hover {
  background: var(--color-sage-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-sage-deep);
  position: relative;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle span::before {
  position: absolute;
  top: -7px;
}

.nav-toggle span::after {
  position: absolute;
  top: 7px;
}

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

.hero {
  position: relative;
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
  overflow: hidden;
}

.hero-topo {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero-title {
  font-size: var(--fs-hero);
  letter-spacing: -0.01em;
}

.hero-title span {
  display: block;
}

.hero-title .accent {
  color: var(--color-sage);
  font-style: italic;
}

.hero-subtitle {
  margin-top: var(--space-md);
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 46ch;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--space-lg);
  padding: 0.7rem 1.1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--color-sage-deep);
  font-weight: 600;
  box-shadow: var(--shadow-soft);
}

.hero-badge .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===================== Clients strip ===================== */

.clients-strip {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.clients-strip .container {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.clients-strip p {
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  font-weight: 500;
}

.client-marks {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  align-items: center;
  opacity: 0.75;
}

.client-marks svg {
  height: 28px;
  width: auto;
}

/* ===================== Services ===================== */

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

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

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

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-sage-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.service-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--color-sage-deep);
}

.service-card h3 {
  font-size: var(--fs-h3);
  margin-bottom: 0.6rem;
}

.service-card p {
  color: var(--color-ink-soft);
  font-size: 0.98rem;
}

/* ===================== Approche ===================== */

.approche {
  background: var(--color-sage-deep);
  color: var(--color-cream);
  border-radius: var(--radius-lg);
  margin: 0 var(--space-md);
}

.approche .container {
  max-width: calc(var(--max-width) - 2 * var(--space-md));
}

.approche .section-head h2,
.approche .eyebrow {
  color: var(--color-cream);
}

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

.approche .eyebrow::before {
  background: var(--color-sage-light);
}

.approche .section-head p {
  color: rgba(251, 249, 243, 0.75);
}

.approche-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg) var(--space-md);
}

.approche-item {
  display: flex;
  gap: var(--space-sm);
}

.approche-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1;
}

.approche-item h3 {
  color: var(--color-cream);
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.approche-item p {
  color: rgba(251, 249, 243, 0.75);
  font-size: 0.96rem;
}

/* ===================== Process ===================== */

.process-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  counter-reset: step;
}

.process-item {
  position: relative;
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-sage-light);
}

.process-item::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--color-sage);
  display: block;
  margin-bottom: var(--space-sm);
}

.process-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.process-item p {
  color: var(--color-ink-soft);
  font-size: 0.96rem;
}

/* ===================== Pricing / signature element ===================== */

.pricing-panel {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
}

.scale {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.scale-step {
  position: relative;
  padding-top: var(--space-md);
  text-align: left;
}

.scale-track {
  position: relative;
  height: 10px;
  background: var(--color-sage-pale);
  border-radius: 999px;
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.scale-fill {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-sage-light), var(--color-sage));
}

.scale-step[data-tier="small"] .scale-fill { width: 35%; background: linear-gradient(90deg, var(--color-sage-light), var(--color-sage)); }
.scale-step[data-tier="medium"] .scale-fill { width: 65%; background: linear-gradient(90deg, var(--color-sage-light), var(--color-sage-dark)); }
.scale-step[data-tier="large"] .scale-fill { width: 100%; background: linear-gradient(90deg, var(--color-sage), var(--color-sage-deep)); }

.scale-step .label {
  font-weight: 700;
  color: var(--color-sage-deep);
  font-size: 1rem;
  display: block;
  margin-bottom: 0.15rem;
}

.scale-step .desc {
  font-size: 0.88rem;
  color: var(--color-ink-soft);
}

.pricing-note {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.pricing-note p {
  color: var(--color-ink-soft);
  max-width: 46ch;
  font-size: 0.95rem;
}

/* ===================== Testimonial ===================== */

.testimonial {
  padding-top: 0;
}

.testimonial-card {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.testimonial-card blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.6vw + 1rem, 1.9rem);
  color: var(--color-sage-deep);
  font-style: italic;
  margin: 0 0 var(--space-md);
  line-height: 1.4;
}

.testimonial-card cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  font-weight: 600;
}

.quote-mark {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-sm);
  color: var(--color-sage-light);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact-form {
  display: grid;
  gap: var(--space-md);
}

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

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-sage-deep);
}

.field input,
.field textarea {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  font-family: inherit;
  font-size: 0.98rem;
  background: var(--color-white);
  color: var(--color-ink);
  transition: border-color var(--transition);
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--color-sage);
  outline: none;
}

.form-status {
  font-size: 0.9rem;
  color: var(--color-sage-dark);
  font-weight: 600;
  min-height: 1.2em;
}

.contact-side {
  background: var(--color-sage-pale);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-self: start;
}

.contact-detail {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.contact-detail svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-sage-deep);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.contact-detail .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.contact-detail .value {
  font-weight: 600;
  color: var(--color-sage-deep);
}

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

.site-footer {
  background: var(--color-sage-deep);
  color: rgba(251, 249, 243, 0.8);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(251, 249, 243, 0.15);
}

.footer-brand .logo {
  color: var(--color-cream);
}

.footer-brand p {
  margin-top: var(--space-sm);
  max-width: 32ch;
  font-size: 0.92rem;
}

.footer-col h4 {
  color: var(--color-cream);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
  font-family: var(--font-body);
  font-weight: 700;
}

.footer-col ul {
  display: grid;
  gap: 0.6rem;
}

.footer-col a {
  font-size: 0.92rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

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

@media (max-width: 960px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 320px;
    margin: 0 auto;
  }

  .services-grid,
  .approche-grid,
  .process-list,
  .scale {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--color-cream);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--space-md);
  }

  .main-nav a {
    font-size: 1.1rem;
  }

  .nav-toggle {
    display: flex;
  }

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

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

@media (max-width: 480px) {
  .pricing-note {
    flex-direction: column;
    align-items: flex-start;
  }
}