/* ============================================================
   EstimAIA — style.css (fichier global partagé)
   ============================================================ */

/* ── Variables ── */
:root {
  --noir: #0a0a0a;
  --noir-soft: #111111;
  --noir-card: #161616;
  --noir-border: rgba(255,255,255,0.07);
  --or: #c9a84c;
  --or-light: #e2c97e;
  --or-pale: #f0e0b0;
  --blanc: #f7f3ec;
  --blanc-soft: #ede8df;
  --gris: #888880;
  --gris-light: #555550;
  --rouge: #e74c3c;
  --vert: #2ecc71;
  --bleu: #3498db;
  --orange: #e67e22;
  --sidebar-w: 260px;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--noir);
  color: var(--blanc);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── Typography ── */
.font-serif { font-family: 'Cormorant Garamond', serif; }
.text-or { color: var(--or); }
.text-gris { color: var(--gris); }

/* ── NAV ── */
nav.main-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,10,10,0.96);
  border-bottom: 1px solid rgba(201,168,76,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--blanc);
}
.nav-logo span { color: var(--or); }
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  color: var(--gris);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--or); }
.nav-cta { display: flex; gap: 0.8rem; align-items: center; }

/* Hamburger (mobile) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: transparent;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--blanc);
  transition: all 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: var(--noir-soft);
  border-bottom: 1px solid rgba(201,168,76,0.1);
  z-index: 99;
  padding: 1.5rem 2rem;
  flex-direction: column;
  gap: 1rem;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  color: var(--gris);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--noir-border);
  transition: color 0.3s;
}
.nav-drawer a:hover { color: var(--or); }
.nav-drawer a:last-child { border-bottom: none; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  outline: none;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--or), var(--or-light));
  color: var(--noir);
  padding: 0.85rem 1.8rem;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(201,168,76,0.2); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--or);
  padding: 0.75rem 1.5rem;
}
.btn-outline:hover { background: rgba(201,168,76,0.08); border-color: var(--or); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--noir-border);
  color: var(--gris);
  padding: 0.65rem 1.2rem;
  font-size: 0.72rem;
}
.btn-ghost:hover { border-color: rgba(201,168,76,0.3); color: var(--blanc); }
.btn-full { width: 100%; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.72rem; }

/* ── CARDS ── */
.card {
  background: var(--noir-card);
  border: 1px solid var(--noir-border);
  padding: 2rem;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}
.card:hover { border-color: rgba(201,168,76,0.2); }
.card-gold-top::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--or), transparent);
}

/* ── FORMS ── */
.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 0.5rem;
}
.form-input, .form-select {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--noir-border);
  color: var(--blanc);
  padding: 0.85rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.3s, background 0.3s;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}
.form-input:focus, .form-select:focus {
  border-color: rgba(201,168,76,0.5);
  background: rgba(201,168,76,0.03);
}
.form-input::placeholder { color: var(--gris-light); }
.form-select option { background: var(--noir-card); color: var(--blanc); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 2px;
}
.badge-vert  { background: rgba(46,204,113,0.1);  color: var(--vert);   border: 1px solid rgba(46,204,113,0.2); }
.badge-rouge { background: rgba(231,76,60,0.1);   color: var(--rouge);  border: 1px solid rgba(231,76,60,0.2); }
.badge-or    { background: rgba(201,168,76,0.1);  color: var(--or);     border: 1px solid rgba(201,168,76,0.2); }
.badge-bleu  { background: rgba(52,152,219,0.1);  color: var(--bleu);   border: 1px solid rgba(52,152,219,0.2); }
.badge-orange{ background: rgba(230,126,34,0.1);  color: var(--orange); border: 1px solid rgba(230,126,34,0.2); }
.badge-gris  { background: rgba(255,255,255,0.05);color: var(--gris);   border: 1px solid var(--noir-border); }

/* ── SECTIONS ── */
.section { padding: 6rem 4rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-tag {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: 0.8rem;
}
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-title em { font-style: italic; color: var(--or); }
.section-desc { color: var(--gris); font-size: 0.92rem; line-height: 1.7; max-width: 500px; }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  background: var(--noir-card);
  border: 1px solid rgba(201,168,76,0.3);
  border-left: 3px solid var(--or);
  padding: 0.9rem 1.3rem;
  z-index: 500;
  transform: translateX(120%);
  transition: transform 0.4s;
  font-size: 0.82rem;
  max-width: 300px;
  pointer-events: none;
}
.toast.show { transform: translateX(0); }
.toast-title { color: var(--or); font-weight: 500; margin-bottom: 0.2rem; }
.toast-msg { color: var(--gris); font-size: 0.75rem; }

/* ── MODAL ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--noir-card);
  border: 1px solid rgba(201,168,76,0.2);
  width: 100%; max-width: 520px;
  padding: 2.5rem;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.35s;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-overlay.open .modal-box { transform: none; }
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: transparent; border: none;
  color: var(--gris); font-size: 1.1rem;
  cursor: pointer; line-height: 1;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--blanc); }

/* ── FOOTER ── */
footer.main-footer {
  background: #070707;
  border-top: 1px solid rgba(201,168,76,0.1);
  padding: 4rem;
}
.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--blanc);
  margin-bottom: 0.8rem;
  display: block;
}
.footer-logo span { color: var(--or); }
.footer-desc { font-size: 0.8rem; color: var(--gris); line-height: 1.7; }
.footer-col-title {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: 1rem;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--gris); font-size: 0.82rem; transition: color 0.3s; }
.footer-links a:hover { color: var(--blanc); }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--gris);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-bottom a { color: var(--gris); transition: color 0.3s; }
.footer-bottom a:hover { color: var(--or); }

/* ── ANIMATIONS ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: none; }
}
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── LOADER ── */
.page-loader {
  position: fixed; inset: 0;
  background: var(--noir);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  transition: opacity 0.5s;
}
.page-loader.hidden { opacity: 0; pointer-events: none; }
.loader-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--blanc);
}
.loader-logo span { color: var(--or); }
.loader-bar {
  width: 160px; height: 1px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  position: relative;
}
.loader-bar::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, var(--or), transparent);
  animation: loaderSweep 1s ease forwards;
}
@keyframes loaderSweep { to { left: 100%; } }

/* ── TABLES ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 600px; }
th {
  padding: 0.75rem 1.2rem;
  text-align: left;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gris);
  border-bottom: 1px solid var(--noir-border);
  font-weight: 400;
  white-space: nowrap;
}
td {
  padding: 0.9rem 1.2rem;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--blanc-soft);
}
tr:hover td { background: rgba(255,255,255,0.02); }
tr:last-child td { border-bottom: none; }

/* ── TOGGLE ── */
.toggle {
  width: 40px; height: 21px;
  background: rgba(255,255,255,0.1);
  border-radius: 11px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
  flex-shrink: 0;
}
.toggle.on { background: var(--or); }
.toggle::after {
  content: '';
  position: absolute;
  width: 15px; height: 15px;
  background: white;
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: transform 0.3s;
}
.toggle.on::after { transform: translateX(19px); }

/* ═══════════════════════════════════════════
   RESPONSIVE — MOBILE FIRST
   ═══════════════════════════════════════════ */

/* Tablette */
@media (max-width: 1024px) {
  nav.main-nav { padding: 1rem 2rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .section { padding: 5rem 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
}

/* Mobile */
@media (max-width: 640px) {
  nav.main-nav { padding: 1rem 1.2rem; }
  .nav-logo { font-size: 1.4rem; }
  .nav-cta .btn-outline { display: none; }
  .section { padding: 3.5rem 1.2rem; }
  .section-title { font-size: 1.8rem; }
  .card { padding: 1.5rem; }
  .modal-box { padding: 1.5rem; }
  footer.main-footer { padding: 3rem 1.2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .btn-primary, .btn-outline { padding: 0.75rem 1.2rem; font-size: 0.72rem; }
}