/* ===================================================================
   SIGNS CONCEPTS — style.css
   Grille architecturale, fond blanc dominant (65%), navy/gris (20%),
   gris clair (10%), orange en accent rare (5%). Mobile-first.
   =================================================================== */
@import url('variables.css');

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--sc-font);
  color: var(--sc-text);
  background: var(--sc-bg);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  width: 100%;
  max-width: var(--sc-container);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 480px) { .container { padding: 0 18px; } }

h1, h2, h3, h4 { font-family: var(--sc-font); margin: 0 0 16px; letter-spacing: 0.01em; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 600; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.25rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 16px; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sc-accent);
  margin-bottom: 14px;
}

.section { padding: var(--sc-gap-xl) 0; }
@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .hero { padding: 44px 0 !important; }
  :root { --sc-gap-lg: 44px; --sc-gap-md: 24px; }
}
.section--alt { background: var(--sc-bg-alt); }
.section-head { max-width: 640px; margin-bottom: var(--sc-gap-md); }
.section-head .lede { color: var(--sc-text-muted); font-size: 1.05rem; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--sc-radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--sc-transition), color var(--sc-transition), border-color var(--sc-transition);
}
.btn--primary { background: var(--sc-accent); color: var(--sc-white); }
.btn--primary:hover { background: #e05e00; }
.btn--dark { background: var(--sc-navy); color: var(--sc-white); }
.btn--dark:hover { background: #16283d; }
.btn--outline { background: transparent; color: var(--sc-navy); border-color: var(--sc-navy); }
.btn--outline:hover { background: var(--sc-navy); color: var(--sc-white); }
.btn--outline-light { background: transparent; color: var(--sc-white); border-color: rgba(255,255,255,0.5); }
.btn--outline-light:hover { background: var(--sc-white); color: var(--sc-navy); }

/* ---------- Header / nav --------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 300;
  background: var(--sc-white);
  border-bottom: 1px solid var(--sc-border);
}
.site-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  max-width: var(--sc-container); margin: 0 auto;
  gap: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; flex-shrink: 0; }
.logo .mark { color: var(--sc-gray-dark); }
.logo .mark span { color: var(--sc-accent); }
.logo small { display: block; font-size: 0.55rem; letter-spacing: 0.14em; color: var(--sc-text-muted); font-weight: 500; }

.main-nav { display: none; }
.main-nav ul { display: flex; gap: 28px; }
.main-nav a { font-size: 0.85rem; font-weight: 500; color: var(--sc-gray-dark); transition: color var(--sc-transition); }
.main-nav a:hover { color: var(--sc-accent); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.header-actions__desktop { display: none; }
.lang-switch { display: flex; gap: 6px; font-size: 0.75rem; }
.lang-switch a { padding: 4px 7px; border: 1px solid var(--sc-border); border-radius: var(--sc-radius); color: var(--sc-text-muted); }
.lang-switch a.active { background: var(--sc-navy); color: var(--sc-white); border-color: var(--sc-navy); }

/* Bouton hamburger : zone tactile confortable (44px), icone qui se transforme en croix */
.nav-toggle {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer; padding: 6px;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--sc-navy); margin: 3px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* Menu mobile : panneau plein ecran, un seul lien par ligne, grandes zones tactiles */
.mobile-menu {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--sc-white);
  z-index: 250;
  overflow-y: auto;
  padding: 88px 24px 40px;
  -webkit-overflow-scrolling: touch;
}
.mobile-menu.is-open { display: block; }
.mobile-menu__list { list-style: none; margin: 0 0 8px; padding: 0; }
.mobile-menu__list li { border-bottom: 1px solid var(--sc-border); }
.mobile-menu__list a {
  display: block; padding: 16px 4px; font-size: 1.05rem; font-weight: 600; color: var(--sc-navy);
}
.mobile-menu__list a:active { color: var(--sc-accent); }
.mobile-menu__account {
  display: block; padding: 16px 4px; font-weight: 600; color: var(--sc-navy);
  border-bottom: 1px solid var(--sc-border); font-size: 1.02rem;
}
.mobile-menu__lang { display: flex; gap: 10px; margin-top: 22px; }
.mobile-menu__lang a {
  flex: 1; text-align: center; padding: 12px; border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius); font-weight: 600; font-size: 0.85rem; color: var(--sc-gray-dark);
}
.mobile-menu__lang a.active { background: var(--sc-navy); color: #fff; border-color: var(--sc-navy); }
.mobile-menu__cta {
  display: flex; justify-content: center; text-align: center; margin-top: 24px; padding: 16px; width: 100%;
}

body.no-scroll { overflow: hidden; }

@media (min-width: 960px) {
  .main-nav { display: block; }
  .header-actions__desktop { display: flex; align-items: center; gap: 16px; }
  .nav-toggle, .mobile-menu { display: none !important; }
}

/* ---------- Hero ------------------------------------------------------- */
.hero {
  background: var(--sc-navy);
  color: var(--sc-white);
  position: relative;
  overflow: hidden;
  padding: var(--sc-gap-xl) 0;
}
.hero::after {
  content: "";
  position: absolute; right: -10%; top: -20%;
  width: 520px; height: 520px;
  background: linear-gradient(135deg, rgba(255,106,0,0.18), rgba(255,106,0,0));
  transform: rotate(20deg);
  pointer-events: none;
}
.hero__inner { max-width: 760px; position: relative; z-index: 1; }
.hero .eyebrow { color: var(--sc-accent); }
.hero p.lede { color: rgba(255,255,255,0.78); font-size: 1.1rem; max-width: 620px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.hero__stats { display: flex; gap: var(--sc-gap-md); margin-top: var(--sc-gap-lg); flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 28px; }
.hero__stats div strong { display: block; font-size: 1.6rem; color: var(--sc-white); }
.hero__stats div span { font-size: 0.8rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- Value props / pillars -------------------------------------- */
.pillars { display: grid; gap: var(--sc-gap-sm); grid-template-columns: 1fr; }
@media (min-width: 720px) { .pillars { grid-template-columns: repeat(4, 1fr); } }
.pillar { padding: 24px; border: 1px solid var(--sc-border); border-radius: var(--sc-radius); }
.pillar .num { font-size: 0.75rem; color: var(--sc-accent); font-weight: 700; letter-spacing: 0.08em; }
.pillar h3 { margin-top: 10px; }
.pillar p { color: var(--sc-text-muted); font-size: 0.92rem; margin: 0; }

/* ---------- Cards grid (expertise / sectors) --------------------------- */
.card-grid { display: grid; gap: var(--sc-gap-sm); grid-template-columns: 1fr; }
@media (min-width: 640px) { .card-grid--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .card-grid--4 { grid-template-columns: repeat(4, 1fr); } .card-grid--3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--sc-white);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius);
  padding: 28px;
  transition: border-color var(--sc-transition), transform var(--sc-transition);
}
.card:hover { border-color: var(--sc-navy); transform: translateY(-2px); }
.card .icon { width: 40px; height: 40px; margin-bottom: 18px; color: var(--sc-navy); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--sc-text-muted); font-size: 0.92rem; margin: 0; }

.sector-card {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--sc-radius);
  overflow: hidden;
  background: linear-gradient(160deg, var(--sc-navy), var(--sc-gray-dark));
  display: flex; align-items: flex-end;
  padding: 20px;
}
.sector-card span { color: var(--sc-white); font-weight: 600; font-size: 1rem; position: relative; z-index: 1; }
.sector-card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,27,42,0) 40%, rgba(13,27,42,0.85) 100%);
}

/* ---------- Shop teaser -------------------------------------------------- */
.product-card { border: 1px solid var(--sc-border); border-radius: var(--sc-radius); overflow: hidden; background: var(--sc-white); }
.product-card__media { aspect-ratio: 1/1; background: var(--sc-bg-alt); display: flex; align-items: center; justify-content: center; color: var(--sc-gray-mid); font-size: 0.8rem; }
.product-card__body { padding: 18px; }
.product-card__body .tag { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--sc-text-muted); }
.product-card__body h3 { font-size: 1rem; margin: 6px 0; }
.product-card__price { color: var(--sc-accent); font-weight: 700; }

/* ---------- Process timeline --------------------------------------------- */
.process-grid { display: grid; gap: var(--sc-gap-sm); grid-template-columns: 1fr; counter-reset: step; }
@media (min-width: 900px) { .process-grid { grid-template-columns: repeat(5, 1fr); } }
.process-step { position: relative; padding-top: 44px; }
.process-step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-size: 0.8rem; font-weight: 700; color: var(--sc-accent);
  border-top: 2px solid var(--sc-accent); padding-top: 8px; width: 100%;
}
.process-step h3 { font-size: 0.95rem; }
.process-step p { font-size: 0.88rem; color: var(--sc-text-muted); margin: 0; }

/* ---------- Final CTA ---------------------------------------------------- */
.final-cta {
  background: var(--sc-navy);
  color: var(--sc-white);
  border-radius: var(--sc-radius);
  padding: var(--sc-gap-lg) var(--sc-gap-md);
  display: flex; flex-direction: column; gap: 20px;
  align-items: flex-start;
}
.final-cta p { color: rgba(255,255,255,0.75); max-width: 520px; }
@media (min-width: 900px) {
  .final-cta { flex-direction: row; align-items: center; justify-content: space-between; }
  .final-cta p { margin: 0; }
}

/* ---------- Footer --------------------------------------------------------- */
.site-footer { background: var(--sc-navy); color: rgba(255,255,255,0.7); padding: var(--sc-gap-lg) 0 24px; margin-top: var(--sc-gap-xl); }
.footer-grid { display: grid; gap: var(--sc-gap-md); grid-template-columns: 1fr; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-grid h4 { color: var(--sc-white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-grid a { font-size: 0.88rem; color: rgba(255,255,255,0.65); }
.footer-grid a:hover { color: var(--sc-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: var(--sc-gap-md);
  padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.78rem; color: rgba(255,255,255,0.45);
}

/* ---------- Sector tiles (page Secteurs — visuel clair avec icone) ------ */
.sector-tile {
  background: var(--sc-white);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  transition: box-shadow var(--sc-transition), transform var(--sc-transition), border-color var(--sc-transition);
}
.sector-tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(13, 27, 42, 0.09);
  border-color: var(--sc-navy);
}
.sector-tile .icon-badge {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--sc-bg-alt);
  border: 1px solid var(--sc-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--sc-navy);
}
.sector-tile .icon-badge svg { width: 28px; height: 28px; }
.sector-tile h3 { margin: 0; }
.sector-tile .accent-line { width: 32px; height: 2px; background: var(--sc-accent); border: none; margin: 0; }
.sector-tile p { color: var(--sc-text-muted); font-size: 0.88rem; margin: 0; }
.sector-tile a.tile-link { font-size: 0.8rem; font-weight: 600; color: var(--sc-navy); text-decoration: underline; margin-top: 4px; }
.sector-tile a.tile-link:hover { color: var(--sc-accent); }
[dir="rtl"] .hero::after { right: auto; left: -10%; }
[dir="rtl"] .process-step::before { left: auto; right: 0; }