/* ── RESET & VARIABLES ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:     #1a56db;
  --blue-dk:  #0f3a9c;
  --blue-lt:  #eff6ff;
  --blue-mid: #1e40af;
  --anthra:   #1f2937;
  --anthra-lt:#374151;
  --text:     #111827;
  --muted:    #6b7280;
  --border:   #e5e7eb;
  --bg:       #f9fafb;
  --white:    #ffffff;
  --amber:    #f59e0b;
  --radius:   10px;
  --shadow:   0 1px 4px rgba(0,0,0,.08), 0 6px 20px rgba(0,0,0,.06);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── SECTION HEADER ── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--anthra);
  letter-spacing: -.025em;
  margin-bottom: 12px;
}
.section-header p { color: var(--muted); font-size: 1rem; max-width: 520px; margin: 0 auto; line-height: 1.75; }
.section-header--light h2 { color: var(--white); }
.section-header--light p  { color: rgba(255,255,255,.7); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: inherit; font-weight: 700;
  border-radius: 8px; border: 2px solid transparent;
  cursor: pointer; transition: all .18s ease; white-space: nowrap;
}
.btn--lg  { padding: 14px 28px; font-size: 1rem; }
.btn--sm  { padding: 9px 18px;  font-size: .875rem; }
.btn--full { width: 100%; justify-content: center; }

.btn--primary { background: var(--blue); color: var(--white); border-color: var(--blue); }
.btn--primary:hover { background: var(--blue-dk); border-color: var(--blue-dk); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26,86,219,.35); }

.btn--outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.6); }
.btn--outline:hover { background: rgba(255,255,255,.1); border-color: var(--white); }

.btn--call {
  background: var(--amber); color: var(--anthra); border-color: var(--amber);
  padding: 9px 20px; font-size: .875rem; border-radius: 8px;
}
.btn--call:hover { background: #d97706; border-color: #d97706; }

/* ── TOPBAR ── */
.topbar {
  background: var(--anthra);
  color: rgba(255,255,255,.85);
  font-size: .8rem;
  font-weight: 500;
  padding: 8px 0;
}
.topbar__inner {
  display: flex; justify-content: space-between; align-items: center;
}
.topbar__inner span {
  display: flex; align-items: center; gap: 6px;
  color: var(--amber);
}
.topbar__inner a {
  color: var(--white); font-weight: 700; font-size: .875rem;
  transition: color .15s;
}
.topbar__inner a:hover { color: var(--amber); }

/* ── NAV ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.nav.scrolled { border-color: var(--border); box-shadow: 0 2px 16px rgba(0,0,0,.07); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.nav__logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.25rem; font-weight: 900; letter-spacing: -.02em;
  color: var(--anthra);
}
.nav__logo svg { color: var(--blue); }
.nav__logo-img { width: 42px; height: 42px; object-fit: contain; border-radius: 4px; }
.nav__logo span { color: var(--blue); }

.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links > a:not(.btn) {
  font-size: .9rem; font-weight: 500; color: var(--muted); transition: color .15s;
}
.nav__links > a:not(.btn):hover { color: var(--text); }

.nav__burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__burger span { display: block; width: 22px; height: 2px; background: var(--anthra); border-radius: 2px; }

.nav__mobile {
  display: none; flex-direction: column;
  padding: 12px 24px 20px; border-top: 1px solid var(--border); background: var(--white);
}
.nav__mobile a { padding: 12px 0; font-weight: 500; color: var(--muted); border-bottom: 1px solid var(--border); }
.nav__mobile .mobile-cta { color: var(--blue); font-weight: 700; border: none; font-size: 1.1rem; }
.nav__mobile.open { display: flex; }

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
}

/* ── HERO ── */
.hero {
  position: relative;
  background: var(--anthra);
  overflow: hidden;
  padding: 80px 0 80px;
}

/* Grille circuit imprimé décorative */
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero__circuit {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(26,86,219,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,86,219,.12) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero__circuit::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 50%, transparent 40%, rgba(31,41,55,.95) 100%);
}

.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 400px;
  gap: 48px; align-items: center;
}

.hero__badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(245,158,11,.15); border: 1px solid rgba(245,158,11,.4);
  color: var(--amber); font-size: .78rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px; margin-bottom: 22px;
}

.hero__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900; line-height: 1.1;
  letter-spacing: -.03em; color: var(--white);
  margin-bottom: 20px;
}
.hero__title span { color: #60a5fa; }

.hero__sub {
  font-size: 1.05rem; color: rgba(255,255,255,.72);
  max-width: 500px; margin-bottom: 36px; line-height: 1.75;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* Card flottante */
.hero__card {
  background: var(--white); border-radius: 16px;
  padding: 28px; box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.hero__card-icon {
  width: 64px; height: 64px; border-radius: 14px;
  background: var(--blue-lt); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.hero__card-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.hero__card-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: .875rem; font-weight: 500; color: var(--anthra);
}
.hero__card-tel {
  display: flex; align-items: center; gap: 12px;
  background: var(--blue); color: var(--white);
  padding: 14px 18px; border-radius: 10px;
  transition: background .15s, transform .15s;
}
.hero__card-tel:hover { background: var(--blue-dk); transform: translateY(-1px); }
.hero__card-tel div { display: flex; flex-direction: column; }
.hero__card-tel span { font-size: .75rem; opacity: .8; }
.hero__card-tel strong { font-size: 1.1rem; font-weight: 800; }

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__card { max-width: 440px; }
}
@media (max-width: 500px) { .hero { padding: 60px 0 60px; } }

/* ── SERVICES ── */
.services { padding: 96px 0; background: var(--bg); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  position: relative; overflow: hidden;
  opacity: 0; transform: translateY(18px);
  transition: opacity .45s, transform .45s, box-shadow .2s;
}
.service-card.visible { opacity: 1; transform: none; }
.service-card:hover { box-shadow: var(--shadow); }
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 3px; background: var(--blue); opacity: 0;
  transition: opacity .2s;
}
.service-card:hover::before { opacity: 1; }
.service-card--urgent::before { opacity: 1; background: var(--amber); }

.service-card__tag {
  display: inline-flex; align-items: center;
  background: #fef3c7; color: #92400e;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; padding: 3px 10px;
  border-radius: 100px; margin-bottom: 16px;
}

.service-card__icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.service-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--anthra); margin-bottom: 10px; }
.service-card > p { font-size: .9rem; color: var(--muted); line-height: 1.7; margin-bottom: 16px; }
.service-card ul { display: flex; flex-direction: column; gap: 6px; }
.service-card ul li {
  font-size: .85rem; color: var(--muted);
  display: flex; align-items: flex-start; gap: 8px;
}
.service-card ul li::before { content: '→'; color: var(--blue); font-weight: 700; flex-shrink: 0; }

@media (max-width: 640px) { .services__grid { grid-template-columns: 1fr; } }

/* ── ARGUMENTS ── */
.arguments { padding: 96px 0; background: var(--anthra); }
.args__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.arg-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius); padding: 28px;
  transition: background .2s, border-color .2s;
}
.arg-card:hover { background: rgba(255,255,255,.09); border-color: rgba(26,86,219,.5); }
.arg-card__icon {
  width: 50px; height: 50px; border-radius: 12px;
  background: rgba(26,86,219,.2); color: #60a5fa;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.arg-card h3 { font-size: .975rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.arg-card p  { font-size: .875rem; color: rgba(255,255,255,.6); line-height: 1.7; }

@media (max-width: 820px) { .args__grid { grid-template-columns: 1fr 1fr; gap: 16px; } }
@media (max-width: 480px) { .args__grid { grid-template-columns: 1fr; } }

/* ── ZONE ── */
.zone { padding: 96px 0; background: var(--white); }
.zone__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: start;
}
.zone__main {
  display: flex; align-items: center; gap: 8px;
  background: var(--blue); color: var(--white);
  padding: 12px 20px; border-radius: 100px;
  font-weight: 700; font-size: .9rem;
  margin-bottom: 20px;
}
.zone__tags {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 20px;
}
.zone__tags span {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 100px; padding: 7px 16px;
  font-size: .875rem; font-weight: 500;
}
.zone__note { font-size: .85rem; color: var(--muted); }

.zone__map { border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }

@media (max-width: 740px) { .zone__inner { grid-template-columns: 1fr; } }

/* ── CONTACT ── */
.contact { padding: 96px 0; background: var(--bg); }
.contact__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }

.contact__info h2 {
  font-size: clamp(1.6rem, 3vw, 2rem); font-weight: 800;
  color: var(--anthra); margin-bottom: 12px; letter-spacing: -.02em;
}
.contact__info > p { color: var(--muted); margin-bottom: 32px; line-height: 1.7; }

.contact__cards { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.contact__card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--white);
  opacity: 0; transform: translateX(-12px);
  transition: opacity .4s, transform .4s, border-color .15s;
}
.contact__card.visible { opacity: 1; transform: none; }
a.contact__card:hover { border-color: var(--blue); }
.contact__card--highlight { background: var(--blue); border-color: var(--blue); color: var(--white); }
.contact__card--highlight .contact__card-icon { background: rgba(255,255,255,.2); color: var(--white); }
.contact__card--highlight strong, .contact__card--highlight span { color: var(--white); }
.contact__card--highlight span { opacity: .85; }

.contact__card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--blue-lt); color: var(--blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact__card > div:last-child { display: flex; flex-direction: column; }
.contact__card strong { font-size: .875rem; font-weight: 600; color: var(--anthra); }
.contact__card span   { font-size: .825rem; color: var(--muted); margin-top: 2px; }

.contact__legal { font-size: .8rem; color: var(--muted); border-top: 1px solid var(--border); padding-top: 20px; }
.contact__legal p { margin-bottom: 4px; }

/* Form */
.contact__form { background: var(--white); border: 1px solid var(--border); border-radius: 14px; padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .825rem; font-weight: 600; color: var(--anthra); }
.form-group input,
.form-group select,
.form-group textarea {
  font-family: inherit; font-size: .9rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 11px 14px; outline: none; width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
  background: var(--white);
}
.form-group textarea { resize: vertical; }

.form-note { font-size: .775rem; color: var(--muted); text-align: center; margin-top: 10px; }
.form-success {
  display: none; align-items: center; gap: 10px;
  background: #dcfce7; color: #166534; border: 1px solid #bbf7d0;
  border-radius: 8px; padding: 12px 16px;
  font-size: .875rem; font-weight: 500; margin-top: 14px;
}
.form-error {
  display: none; align-items: center; gap: 10px;
  background: #fef2f2; color: #991b1b; border: 1px solid #fecaca;
  border-radius: 8px; padding: 12px 16px;
  font-size: .875rem; font-weight: 500; margin-top: 14px;
}

@media (max-width: 820px) { .contact__inner { grid-template-columns: 1fr; gap: 40px; } .form-row { grid-template-columns: 1fr; } }

/* ── FOOTER ── */
.footer { background: #111827; color: rgba(255,255,255,.6); }
.footer__inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; padding: 56px 24px 40px;
}
.footer__logo { color: var(--white) !important; }
.footer__logo span { color: #60a5fa !important; }
.footer__brand p { font-size: .875rem; line-height: 1.75; margin-top: 10px; max-width: 240px; }

.footer__col h4 {
  font-size: .75rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 16px;
}
.footer__col { display: flex; flex-direction: column; gap: 9px; }
.footer__col a, .footer__col span { font-size: .875rem; }
.footer__col a:hover { color: var(--white); }

.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 16px 24px; }
.footer__bottom-inner {
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 8px; font-size: .775rem; color: rgba(255,255,255,.3);
}

@media (max-width: 700px) { .footer__inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 24px 28px; } }