/* ============================================================
   DipFab — Charte graphique
   Jaune doré #F7B800 · Noir #0A0A0A · Blanc #FFFFFF
   Style inspiré de la charte Tracea (minimal, éditorial, bold)
   ============================================================ */

:root {
  --gold: #F7B800;
  --gold-dark: #d69e00;
  --black: #0A0A0A;
  --ink: #1a1a1a;
  --gray: #5b5b5b;
  --gray-light: #9a9a9a;
  --white: #ffffff;
  --offwhite: #faf8f2;
  --border: #e8e5dc;
  --radius: 16px;
  --shadow: 0 20px 50px rgba(10, 10, 10, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand-text, .eyebrow {
  font-family: 'Space Grotesk', sans-serif;
}

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

.container { width: min(1160px, 92%); margin: 0 auto; }
.center { text-align: center; }

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--black);
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  background: var(--gold);
  color: var(--black);
  font-weight: 700;
  border-radius: 10px;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.5px;
}
.brand-text { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.5px; }

.nav-links { display: flex; gap: 32px; }
.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--gold-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--black);
  margin: 5px 0;
  transition: 0.3s;
}

/* ---------- HERO ---------- */
.hero {
  background: linear-gradient(180deg, var(--offwhite) 0%, var(--white) 100%);
  padding: 90px 0 80px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-dark);
  background: rgba(247, 184, 0, 0.12);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.eyebrow.center { margin-left: auto; margin-right: auto; }

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--black);
  margin-bottom: 22px;
}
.gold { color: var(--gold-dark); }

.hero-devise {
  font-family: 'Space Grotesk', sans-serif;
  font-style: italic;
  font-size: 1.35rem;
  color: var(--gold-dark);
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 520px;
  margin-bottom: 34px;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.98rem;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.btn-gold {
  background: var(--gold);
  color: var(--black);
}
.btn-gold:hover {
  background: var(--gold-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(247, 184, 0, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}
.btn-ghost:hover { background: var(--black); color: var(--white); }

.hero-logo { display: flex; justify-content: center; }
.evo-img {
  max-width: 420px;
  width: 100%;
  filter: drop-shadow(0 20px 40px rgba(10, 10, 10, 0.10));
}

/* ---------- EVOLUTION ---------- */
.evolution { padding: 100px 0; }

.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  letter-spacing: -1.5px;
  color: var(--black);
  margin-bottom: 16px;
}
.section-sub { color: var(--gray); max-width: 640px; margin: 0 auto 60px; }

.evo-steps {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: stretch;
  gap: 8px;
}
.evo-step {
  flex: 1 1 0;
  min-width: 0;
  text-align: center;
}
.evo-icon {
  width: 100%;
  max-width: 150px;
  aspect-ratio: 1/1;
  margin: 0 auto 16px;
  border-radius: 20px;
  background: var(--black);
  border: 1px solid rgba(247, 184, 0, 0.35);
  display: grid;
  place-items: center;
  padding: 10px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.evo-step:hover .evo-icon {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.evo-icon img { width: 100%; height: 100%; object-fit: contain; }
.evo-step h3 { font-size: 1.05rem; margin-bottom: 6px; color: var(--black); }
.evo-step p { font-size: 0.85rem; color: var(--gray); max-width: 160px; margin: 0 auto; }

.evo-arrow {
  font-size: 1.6rem;
  color: var(--gold);
  font-weight: 700;
  text-align: center;
  align-self: center;
  flex: 0 0 auto;
}

/* ---------- SERVICES ---------- */
.services {
  background: var(--black);
  padding: 100px 0;
  border-radius: 40px 40px 0 0;
}
.services .eyebrow { color: var(--gold); background: rgba(247, 184, 0, 0.15); }
.services .section-title { color: var(--white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 50px;
}
.service-card {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.3s, border-color 0.3s, background 0.3s;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  background: #1c1c1c;
}
.service-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 14px;
  display: inline-block;
}
.service-card h3 { color: var(--white); font-size: 1.15rem; margin-bottom: 10px; }
.service-card p { color: #9a9a9a; font-size: 0.92rem; }

/* ---------- ABOUT ---------- */
.about { padding: 100px 0; }
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 60px;
  align-items: start;
}
.about-text p { color: var(--gray); margin-bottom: 18px; }
.about-text strong { color: var(--black); }

.about-card {
  background: var(--offwhite);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
}
.about-card h3 { font-size: 1.2rem; margin-bottom: 18px; color: var(--black); }
.about-card ul { list-style: none; }
.about-card li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--gray);
  font-size: 0.95rem;
}
.about-card li:last-child { border-bottom: none; }
.about-card li strong { color: var(--black); display: block; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }

/* ---------- CONTACT ---------- */
.contact { padding: 100px 0 110px; background: var(--offwhite); }
.contact-form {
  max-width: 560px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form input,
.contact-form textarea {
  padding: 15px 18px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.98rem;
  background: var(--white);
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.contact-form textarea { resize: vertical; }
.contact-form .btn { align-self: flex-start; }
.form-note { text-align: center; margin-top: 18px; font-size: 0.95rem; color: var(--gray); }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--black);
  color: #9a9a9a;
  padding: 60px 0 40px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .brand-text { color: var(--white); }
.footer-devise {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  color: var(--gold);
  max-width: 480px;
}
.footer-links { display: flex; gap: 26px; }
.footer-links a { color: #9a9a9a; text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: var(--gold); }
.footer-copy { font-size: 0.82rem; color: #5b5b5b; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    gap: 0;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 8%; border-top: 1px solid var(--border); }
  .nav-toggle { display: block; }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }

  .evo-steps { flex-wrap: nowrap; gap: 4px; }
  .evo-icon { max-width: 120px; }
  .evo-step p { max-width: 130px; font-size: 0.8rem; }
  .evo-step h3 { font-size: 0.95rem; }
  .evo-arrow { font-size: 1.2rem; }

  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-inner { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
  .evo-steps { flex-wrap: nowrap; gap: 2px; }
  .evo-icon { max-width: 90px; }
  .evo-step h3 { font-size: 0.9rem; }
  .evo-step p { font-size: 0.75rem; max-width: 110px; }
  .evo-arrow { font-size: 1rem; }
}

/* ---------- PAGE LEGALE (privacy) ---------- */
.legal-page { padding: 120px 0 80px; background: var(--white); }
.legal-container { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.legal-title { font-size: clamp(1.9rem, 4vw, 2.6rem); color: var(--black); letter-spacing: -1.5px; margin-bottom: 4px; }
.legal-update { color: var(--gray); font-size: 0.85rem; margin-bottom: 40px; }
.legal-block { margin-bottom: 34px; }
.legal-block h2 { font-size: 1.2rem; color: var(--gold-dark); margin-bottom: 10px; }
.legal-block p { color: #333; font-size: 0.98rem; line-height: 1.65; margin-bottom: 10px; }
.legal-block ul { margin: 0 0 10px 20px; color: #333; font-size: 0.98rem; line-height: 1.65; }
.legal-block li { margin-bottom: 6px; }
.legal-back { margin-top: 40px; }
.legal-back a { color: var(--gold-dark); font-weight: 600; text-decoration: none; }
.legal-back a:hover { text-decoration: underline; }