/* ============================================
   Dufour Media — design system
   Fidèle au site actuel : ivoire + vert profond + champagne
   ============================================ */

:root {
  --paper: #FBFAF7;
  --ivory: #F6F4EF;
  --ink: #151515;
  --muted: rgba(21, 21, 21, .72);
  --muted-soft: rgba(21, 21, 21, .55);
  --green: #133526;
  --green-soft: rgba(19, 53, 38, .08);
  --line: rgba(21, 21, 21, .10);
  --shadow: 0 18px 46px rgba(0, 0, 0, .10);
  --radius: 18px;
  --radius-sm: 10px;
  --max: 1200px;
  --champ: #C9B58A;
  --serif: "Cormorant Garamond", serif;
  --sans: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }

p { margin: 0; color: var(--muted); }

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

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 96px 0; }
section.tight { padding: 64px 0; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 18px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--green);
  color: var(--paper);
}
.btn-primary:hover { background: #0d2519; }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--ink); }

.btn-gold {
  background: var(--champ);
  color: var(--ink);
}
.btn-gold:hover { background: #bfa877; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 247, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .01em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
  border-color: var(--champ);
}
.nav-links a.nav-cta {
  background: var(--green);
  color: var(--paper);
  border: none;
  padding: 10px 20px;
  border-radius: 999px;
}
.nav-links a.nav-cta:hover { background: #0d2519; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--ink);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--paper);
  display: none;
  flex-direction: column;
  padding: 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.mobile-menu nav a {
  font-family: var(--serif);
  font-size: 28px;
}
.mobile-menu .btn { margin-top: 32px; align-self: flex-start; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 72px;
}
.hero-badge {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.hero-badge span {
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--ivory);
  border: 1px solid var(--line);
  color: var(--muted);
}
.hero h1 { max-width: 820px; margin-bottom: 22px; }
.hero .lead {
  font-size: 18px;
  max-width: 620px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Two-column lists (problem/solution) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 780px) { .split { grid-template-columns: 1fr; } }

.panel {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
}
.panel .tag {
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--green);
  margin-bottom: 10px;
  display: block;
}
.panel h3 { margin-bottom: 18px; }
.panel ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 15px;
}
.panel ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--champ);
}

/* ---------- Service tiles (Accueil) ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.services-grid.two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .services-grid, .services-grid.two { grid-template-columns: 1fr; } }

.service-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .2s ease, border-color .2s ease;
}
.service-card:hover { transform: translateY(-4px); border-color: var(--champ); }
.service-card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--green);
  color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-size: 20px;
}
.service-card h3 { margin-bottom: 2px; }
.service-card p { font-size: 15px; }
.service-card .go {
  margin-top: auto;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--green);
}

/* ---------- Benefit cards (3-up) ---------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .benefits-grid { grid-template-columns: 1fr; } }
.benefit-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--ivory);
  border: 1px solid var(--line);
}
.benefit-card .tag {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 12px;
  display: block;
}
.benefit-card h3 { margin-bottom: 10px; font-size: 1.25rem; }
.benefit-card p { font-size: 14.5px; }

/* ---------- Steps (approche) ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .steps-grid { grid-template-columns: 1fr; } }
.step-card {
  padding: 30px 0;
  border-top: 2px solid var(--champ);
}
.step-card .num {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 14px;
  display: block;
}
.step-card h3 { margin-bottom: 10px; }
.step-card p { font-size: 14.5px; }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.pricing-grid.two { grid-template-columns: repeat(2, 1fr); }
.pricing-grid.four { grid-template-columns: repeat(4, 1fr); }
.pricing-grid.one { grid-template-columns: minmax(0, 460px); justify-content: center; }
@media (max-width: 1100px) {
  .pricing-grid.four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .pricing-grid, .pricing-grid.two, .pricing-grid.four { grid-template-columns: 1fr; }
}

.price-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured {
  border-color: var(--green);
  box-shadow: var(--shadow);
}
.price-card .badge {
  position: absolute;
  top: -13px;
  left: 28px;
  background: var(--champ);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
}
.price-card .kicker {
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--green);
  margin-bottom: 8px;
}
.price-card h3 { margin-bottom: 6px; }
.price-card .price {
  font-family: var(--serif);
  font-size: 1.7rem;
  color: var(--ink);
  margin-bottom: 20px;
  display: block;
}
.price-card ul { margin-bottom: 24px; flex-grow: 1; }
.price-card ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 11px;
  font-size: 14.5px;
  color: var(--muted);
}
.price-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 700;
  font-size: 13px;
}
.price-card .note {
  font-size: 12.5px;
  color: var(--muted-soft);
  margin-top: 12px;
}

/* ---------- Case studies ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cases-grid.two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .cases-grid, .cases-grid.two { grid-template-columns: 1fr; } }
.case-card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.case-card img { width: 100%; height: 190px; object-fit: cover; }
.case-card .body { padding: 26px; display: flex; flex-direction: column; gap: 14px; flex-grow: 1; }
.case-card .chips, .case-feature .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.case-card .chips span, .case-feature .chips span {
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--green);
}
.case-card h3 { font-size: 1.2rem; }
.case-card p { font-size: 14px; }
.case-card ul li {
  font-size: 13.5px;
  color: var(--muted);
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}
.case-card ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--champ);
}
.case-card .link {
  margin-top: auto;
  font-weight: 600;
  font-size: 14px;
  color: var(--green);
}

/* ---------- Case feature (video embed) ---------- */
.case-feature {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  grid-template-columns: 328px 1fr;
  gap: 36px;
  align-items: center;
}
.case-feature .embed-wrap { display: flex; justify-content: center; }
.case-feature .embed-wrap iframe,
.case-feature .embed-wrap blockquote { margin: 0 !important; }
.case-feature ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 14.5px;
  color: var(--muted);
}
.case-feature ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--champ);
}
.case-feature .chips span { background: var(--ivory); }
@media (max-width: 780px) {
  .case-feature { grid-template-columns: 1fr; }
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }
.about-grid img { border-radius: var(--radius); }
.about-stats { display: flex; gap: 32px; margin: 26px 0; }
.about-stats .stat strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--green);
}
.about-stats .stat span { font-size: 13px; color: var(--muted-soft); }
.about-grid ul { margin: 22px 0; }
.about-grid ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--muted);
}
.about-grid ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--champ);
}
.signature { font-family: var(--serif); font-size: 16px; margin-top: 18px; color: var(--ink); }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--green);
  border-radius: var(--radius);
  padding: 64px 48px;
  text-align: center;
  color: var(--paper);
}
.cta-banner h2 { color: var(--paper); margin-bottom: 16px; }
.cta-banner p { color: rgba(251,250,247,.8); max-width: 520px; margin: 0 auto 30px; }
.cta-banner .btn-gold { color: var(--ink); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13.5px;
  color: var(--muted-soft);
}

/* ---------- Page hero (service pages) ---------- */
.page-hero { padding: 72px 0 56px; text-align: left; }
.page-hero .lead { font-size: 18px; max-width: 640px; }

/* ---------- Section heading ---------- */
.section-head { max-width: 620px; margin-bottom: 48px; }
.section-head p { margin-top: 14px; font-size: 16px; }

/* ---------- Reveal on scroll (progressive enhancement — content stays visible without JS) ---------- */
.reveal {
  opacity: .999;
  transform: translateY(10px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Contact page ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; } }

.contact-card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.contact-card .top-row {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 20px;
}
.contact-card .calendar-icon { font-size: 30px; margin-bottom: 12px; }
.contact-card ul { margin-top: 18px; }
.contact-card ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 14.5px;
  color: var(--muted);
}
.contact-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--champ);
}

.form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.form-card h3 { margin-bottom: 8px; }
.form-card > p { margin-bottom: 22px; font-size: 14.5px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 13px; color: var(--muted-soft); font-weight: 500; }
.field input, .field textarea {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--ivory);
  font-family: var(--sans);
  font-size: 14.5px;
  color: var(--ink);
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--champ);
}
.form-note { font-size: 12.5px; color: var(--muted-soft); margin-top: 14px; }
.back-link { font-size: 14px; font-weight: 500; color: var(--muted); display: flex; width: fit-content; align-items: center; gap: 8px; margin-bottom: 28px; }
.back-link:hover { color: var(--ink); }

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .container { padding: 0 20px; }
  .cta-banner { padding: 48px 24px; }
}