/* ===== Design tokens — DA sombre premium ===== */
:root {
  --color-bg: #121210;
  --color-bg-alt: #191916;
  --color-surface: #1C1C19;
  --color-surface-hi: #232320;
  --color-ink-invert: #14140F;
  --color-text: #F5F3EE;
  --color-text-muted: #ABA79C;
  --color-text-soft: #8A857B;
  --color-text-faint: #7E7A73;
  --color-accent: #C9A45C;
  --color-accent-strong: #DCBD82;
  --color-accent-deep: #A8823C;
  --color-danger: #E78C7B;
  --color-success: #74C08D;
  --color-border: rgba(245, 243, 238, .14);
  --color-border-soft: rgba(245, 243, 238, .08);
  --color-border-strong: rgba(245, 243, 238, .3);
  --font-heading: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

/* ===== Reset ===== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
::selection { background: rgba(201, 164, 92, .3); }

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-strong); }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

h1, h2 { font-family: var(--font-heading); font-weight: 600; }

/* ===== Header / nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(18, 18, 16, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-soft);
}
.site-nav {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-nav--legal { max-width: 760px; }
.logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -.015em;
}
.logo:hover { color: var(--color-accent); }
.logo .dot { color: var(--color-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14.5px;
  font-weight: 500;
}
.nav-link { color: var(--color-text-muted); }
.nav-link:hover { color: var(--color-text); }

.back-link { color: var(--color-text-muted); font-size: 14.5px; font-weight: 500; }
.back-link:hover { color: var(--color-text); }

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

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-dark {
  background: var(--color-accent);
  color: var(--color-ink-invert);
}
.btn-dark:hover { background: var(--color-accent-strong); color: var(--color-ink-invert); transform: translateY(-1px); }
.btn-dark:focus-visible { outline: 2px solid var(--color-accent-strong); outline-offset: 3px; }

.btn-outline {
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  padding: 15px 26px;
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-outline:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

.btn-outline-sm { padding: 13px 24px; font-size: 15px; }

.btn-accent {
  background: var(--color-text);
  color: var(--color-ink-invert);
}
.btn-accent:hover { background: #FFFFFF; color: var(--color-ink-invert); }
.btn-accent:focus-visible { outline: 2px solid var(--color-accent-strong); outline-offset: 3px; }

.btn-submit {
  font-family: var(--font-body);
  background: var(--color-accent);
  color: var(--color-ink-invert);
  border: none;
  padding: 15px 28px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, opacity .2s;
}
.btn-submit:hover { background: var(--color-accent-strong); }
.btn-submit:focus-visible { outline: 2px solid var(--color-accent-strong); outline-offset: 3px; }
.btn-submit[disabled] { opacity: .6; cursor: default; }

/* ===== Layout helpers ===== */
.section { padding: 92px 24px; max-width: 1160px; margin: 0 auto; border-top: 1px solid var(--color-border-soft); }
.section-head { max-width: 680px; margin-bottom: 52px; }
.eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.section-head h2 { margin: 0; font-size: clamp(28px, 3.4vw, 42px); line-height: 1.12; letter-spacing: -.022em; }

/* ===== Hero ===== */
.hero { padding: 168px 24px 100px; max-width: 1160px; margin: 0 auto; border-top: none; }
.hero-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 56px; align-items: center; }
.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(38px, 4.9vw, 56px);
  line-height: 1.08;
  letter-spacing: -.022em;
}
.hero h1 em { font-style: italic; color: var(--color-accent); }
.hero-lede { margin: 0 0 32px; font-size: 18px; line-height: 1.65; color: var(--color-text-muted); max-width: 46ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-status { margin: 28px 0 0; font-size: 14px; color: var(--color-text-soft); display: flex; align-items: center; gap: 8px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-success); display: inline-block; }

/* ===== Hero form (structure B) ===== */
.hero-form {
  width: 100%; max-width: 460px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 32px 30px;
  box-shadow: 0 30px 70px -34px rgba(0, 0, 0, .8);
}
.hero-form h2 { margin: 0 0 8px; font-size: 25px; line-height: 1.2; letter-spacing: -.022em; }
.hero-form-lede { margin: 0 0 24px; font-size: 14.5px; line-height: 1.55; color: var(--color-text-soft); }
.hero-form form { display: flex; flex-direction: column; gap: 15px; }
.hero-form .field { width: 100%; }
.hero-form .btn-submit { margin-top: 2px; }
.hero-form .form-note { margin: 0; }

/* ===== Bénéfices (structure B) ===== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card-benefit {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 34px 30px;
  transition: transform .3s cubic-bezier(.22,.8,.3,1), border-color .3s;
}
.card-benefit:hover { transform: translateY(-4px); border-color: rgba(201, 164, 92, .45); }
.card-benefit-mark {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(201, 164, 92, .14);
  color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin-bottom: 22px;
}
.card-benefit h3 { margin: 0 0 12px; font-family: var(--font-body); font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.card-benefit p { margin: 0; font-size: 15.5px; line-height: 1.65; color: var(--color-text-muted); }

/* ===== Portfolio ===== */
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.portfolio-card { display: flex; flex-direction: column; gap: 30px; cursor: pointer; }
.portfolio-visual { position: relative; transition: transform .3s cubic-bezier(.22,.8,.3,1); }
.portfolio-card:hover .portfolio-visual { transform: translateY(-5px); }
.portfolio-mock {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color .3s;
}
.portfolio-card:hover .portfolio-mock { border-color: rgba(201, 164, 92, .4); }
.portfolio-chip {
  position: absolute; left: 16px; bottom: -14px;
  background: var(--color-accent); color: var(--color-ink-invert);
  font-size: 13px; font-weight: 700; letter-spacing: -.01em;
  padding: 7px 15px; border-radius: 999px;
}
.portfolio-mock-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 1px solid var(--color-border-soft); background: #0E0E0C; }
.portfolio-mock-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(245, 243, 238, .22); }
.portfolio-mock-body { padding: 22px; min-height: 190px; }
.portfolio-eyebrow { margin: 0 0 6px; font-size: 12.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent); }
.portfolio-card h3 { margin: 0 0 8px; font-family: var(--font-body); font-size: 19px; font-weight: 600; letter-spacing: -.01em; }
.portfolio-card p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--color-text-muted); }

/* Mock variant: site sombre */
.mock-dark { background: #0A0A09; }
.mock-dark .tag { width: 40%; height: 10px; background: var(--color-accent); border-radius: 3px; margin-bottom: 12px; }
.mock-dark .line { height: 16px; background: rgba(245, 243, 238, .22); border-radius: 4px; margin-bottom: 8px; }
.mock-dark .line--lg { width: 78%; }
.mock-dark .line--sm { width: 55%; margin-bottom: 18px; }
.mock-dark .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mock-dark .cell { height: 58px; background: rgba(245, 243, 238, .08); border-radius: 8px; }
.mock-dark .cell--btn { display: flex; align-items: center; justify-content: center; }
.mock-dark .cell--btn span { width: 70%; height: 26px; background: var(--color-accent); border-radius: 999px; }

/* Mock variant: site clair (aperçu d'un site client) */
.mock-light { background: #EFEBE2; }
.mock-light .row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.mock-light .bar1 { width: 32%; height: 12px; background: #1C1A16; border-radius: 3px; }
.mock-light .bar2 { width: 24%; height: 24px; background: var(--color-accent-deep); border-radius: 999px; }
.mock-light .grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.mock-light .cell { height: 64px; background: #FBFAF7; border-radius: 8px; border: 1px solid rgba(28, 26, 22, .1); }
.mock-light .bar3 { width: 60%; height: 12px; background: rgba(28, 26, 22, .18); border-radius: 3px; }

.mock-white { background: #FBFAF7; }
.mock-white .grid-split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 14px; }
.mock-white .bar1 { width: 70%; height: 14px; background: #1C1A16; border-radius: 3px; margin-bottom: 10px; }
.mock-white .line { height: 9px; background: #E4DFD4; border-radius: 3px; margin-bottom: 7px; }
.mock-white .line--a { width: 92%; }
.mock-white .line--b { width: 80%; }
.mock-white .line--c { width: 86%; margin-bottom: 16px; }
.mock-white .cta { width: 56%; height: 28px; background: var(--color-accent-deep); border-radius: 999px; }
.mock-white .panel { background: #EFEBE2; border-radius: 8px; min-height: 120px; }

/* ===== Processus ===== */
.steps {
  list-style: none;
  margin: 0; padding: 0;
  max-width: 760px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute; left: 13px; top: 10px; bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent), rgba(201, 164, 92, .15));
}
.step { position: relative; padding: 0 0 38px 54px; }
.step:last-child { padding-bottom: 0; }
.step-dot {
  position: absolute; left: 6px; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-accent);
}
.step-label { margin: 0 0 6px; font-family: var(--font-heading); font-size: 14px; font-weight: 600; letter-spacing: .04em; color: var(--color-accent); }
.step h3 { margin: 0 0 8px; font-family: var(--font-body); font-size: 19px; font-weight: 600; letter-spacing: -.01em; }
.step p { margin: 0; font-size: 15.5px; line-height: 1.65; color: var(--color-text-muted); max-width: 56ch; }

/* ===== Tarifs ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; align-items: stretch; }
.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 38px 32px;
  display: flex;
  flex-direction: column;
}
.price-card h3 { margin: 0 0 6px; font-family: var(--font-body); font-size: 19px; font-weight: 600; letter-spacing: -.01em; }
.price-card .price-tagline { margin: 0 0 22px; font-size: 14px; color: var(--color-text-soft); }
.price-card .price-amount { margin: 0 0 26px; }
.price-amount .amount { font-family: var(--font-heading); font-size: 42px; font-weight: 600; letter-spacing: -.025em; }
.price-amount .amount-suffix { font-size: 13.5px; color: var(--color-text-soft); margin-left: 8px; }
.price-features { list-style: none; margin: 0 0 30px; padding: 0; display: flex; flex-direction: column; gap: 12px; font-size: 15px; color: var(--color-text-muted); }
.price-features li { display: flex; gap: 10px; }
.price-features li::before { content: '•'; color: var(--color-accent); font-weight: 700; }
.price-card .btn { margin-top: auto; text-align: center; }

.price-card--featured {
  background: #211D15;
  border-color: rgba(201, 164, 92, .5);
  position: relative;
}
.price-card--featured .price-features li::before { color: var(--color-accent-strong); }
.price-badge {
  position: absolute; top: -13px; left: 32px;
  margin: 0;
  background: var(--color-accent);
  color: var(--color-ink-invert);
  font-size: 12px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
}

/* ===== Témoignages ===== */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.testimonial {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.testimonial .stars { margin: 0; color: var(--color-accent); font-size: 16px; letter-spacing: 3px; }
.testimonial blockquote { margin: 0; font-size: 16.5px; line-height: 1.7; color: #E8E5DE; }
.testimonial figcaption { font-size: 14px; color: var(--color-text-soft); margin-top: auto; }
.testimonial figcaption strong { color: var(--color-text); font-weight: 600; }

/* ===== FAQ (structure B) ===== */
.faq-list { max-width: 820px; display: flex; flex-direction: column; }
.faq-item { border-top: 1px solid var(--color-border); }
.faq-item:last-child { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  cursor: pointer; list-style: none;
  padding: 24px 44px 24px 0; position: relative;
  font-size: 17.5px; font-weight: 500; color: var(--color-text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-size: 24px; font-weight: 400; color: var(--color-accent);
}
.faq-item[open] summary::after { content: '–'; }
.faq-item summary:hover { color: var(--color-accent); }
.faq-item summary:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.faq-answer { margin: 0; padding: 0 44px 26px 0; font-size: 16px; line-height: 1.75; color: var(--color-text-muted); }

/* ===== Devis / contact ===== */
.devis-section { padding: 92px 24px 108px; background: var(--color-bg-alt); border-top: 1px solid var(--color-border-soft); }
.devis-grid { max-width: 1160px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 56px; align-items: start; }
.devis-grid h2 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.12; letter-spacing: -.022em; }
.devis-lede { margin: 0 0 28px; font-size: 16.5px; line-height: 1.7; color: var(--color-text-muted); max-width: 44ch; }
.devis-info { display: flex; flex-direction: column; gap: 12px; font-size: 15.5px; }
.devis-info p { margin: 0; display: flex; gap: 10px; align-items: baseline; }
.devis-info .label { font-size: 12px; font-weight: 600; letter-spacing: .1em; color: var(--color-text-soft); text-transform: uppercase; width: 72px; flex: none; }
.devis-info .value { color: var(--color-text-muted); }

.devis-panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 18px; padding: 36px 32px; box-shadow: 0 30px 70px -36px rgba(0, 0, 0, .8); }

.form-success { text-align: center; padding: 36px 12px; }
.form-success-icon { width: 56px; height: 56px; border-radius: 50%; background: rgba(201, 164, 92, .16); color: var(--color-accent); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 24px; }
.form-success h3 { margin: 0 0 10px; font-family: var(--font-heading); font-weight: 600; font-size: 26px; letter-spacing: -.02em; }
.form-success p { margin: 0; font-size: 15.5px; line-height: 1.65; color: var(--color-text-muted); }

.devis-form { display: flex; flex-direction: column; gap: 18px; }
.devis-form.is-hidden, .form-success.is-hidden, .is-hidden { display: none; }
.form-honeypot { display: none; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; }
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-group label { font-size: 13.5px; font-weight: 500; }
.field-group .req { color: var(--color-accent); }
.field {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid rgba(245, 243, 238, .2);
  border-radius: 10px;
  background: #161613;
  color: var(--color-text);
}
.field::placeholder { color: var(--color-text-faint); }
.field:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 1px; border-color: var(--color-accent); }
.field-error { margin: 0; min-height: 16px; font-size: 12.5px; color: var(--color-danger); }
.field-checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; line-height: 1.55; color: var(--color-text-muted); cursor: pointer; }
.field-checkbox input { margin-top: 2px; width: 16px; height: 16px; accent-color: var(--color-accent); }
.field-checkbox input:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.form-note { margin: 0; font-size: 12.5px; color: var(--color-text-faint); text-align: center; line-height: 1.5; }

/* ===== Footer ===== */
.site-footer { background: #0C0C0A; color: var(--color-text-muted); padding: 48px 24px; border-top: 1px solid var(--color-border-soft); }
.footer-grid { max-width: 1160px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; font-size: 14px; }
.footer-grid--legal { max-width: 760px; }
.footer-brand { font-family: var(--font-heading); font-weight: 600; color: var(--color-text); font-size: 18px; letter-spacing: -.015em; }
.footer-brand .dot { color: var(--color-accent); }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; }
.footer-link { color: var(--color-text-muted); }
.footer-link:hover { color: var(--color-accent); }
.footer-link:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* ===== Pages légales ===== */
.legal-main { max-width: 760px; margin: 0 auto; padding: 152px 24px 96px; }
.legal-main h1 { margin: 0 0 16px; font-size: clamp(32px, 4.2vw, 46px); line-height: 1.1; letter-spacing: -.022em; }
.legal-updated { margin: 0 0 48px; font-size: 14px; color: var(--color-text-soft); }
.legal-main section { margin-bottom: 40px; }
.legal-main section:last-child { margin-bottom: 0; }
.legal-main h2 { margin: 0 0 14px; font-family: var(--font-body); font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.legal-main p { margin: 0 0 12px; font-size: 16px; line-height: 1.75; color: #E0DDD5; }
.legal-main p:last-child { margin-bottom: 0; }
.legal-main ul { margin: 0; padding: 0; list-style: none; font-size: 16px; line-height: 1.9; color: #E0DDD5; }
.legal-main ul.bulleted { padding-left: 22px; list-style: disc; }

/* ===== Scroll reveal ===== */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s cubic-bezier(.22,.8,.3,1), transform .65s cubic-bezier(.22,.8,.3,1);
}
.js-ready [data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-ready [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .logo { font-size: 17px; white-space: nowrap; }
  .site-nav { gap: 12px; }
  .site-nav .btn-sm { padding: 9px 17px; font-size: 13.5px; white-space: nowrap; }
  .hero { padding-top: 142px; }
  .section, .devis-section { padding-left: 20px; padding-right: 20px; }
  .hero-form { padding: 26px 22px; }
  .card-benefit, .price-card, .testimonial { padding-left: 24px; padding-right: 24px; }
}