/* ============================================================
   PROJET-IT — layout.css
   Navigation, hero, sections, grilles, pied de page
   ============================================================ */

/* ------------------------------------------------------------
   Barre de navigation
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  transition: box-shadow var(--speed) var(--ease);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--navy-800);
}
.brand:hover {
  color: var(--navy-800);
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--grad-brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
  flex: none;
}
.brand__mark svg {
  width: 22px;
  height: 22px;
}
.brand__name span {
  color: var(--blue);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}
.nav__link:hover {
  color: var(--blue);
  background: var(--blue-soft);
}
.nav__link.is-active {
  color: var(--blue);
  background: var(--blue-soft);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  place-items: center;
  color: var(--navy-800);
}
.nav__toggle svg {
  width: 22px;
  height: 22px;
}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(0, 166, 251, 0.18), transparent 60%),
    radial-gradient(700px 500px at 0% 110%, rgba(124, 92, 255, 0.16), transparent 60%),
    var(--grad-dark);
  color: #dbe7f3;
  padding-block: clamp(4rem, 9vw, 7.5rem);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero h1 {
  color: #fff;
  margin-bottom: 20px;
}
.hero h1 .text-gradient {
  background: var(--grad-brand);
}

.hero__lead {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: #a9c0d6;
  max-width: 560px;
  margin-bottom: 32px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}
.hero__stat strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero__stat span {
  font-size: 0.85rem;
  color: #a9c0d6;
}

.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
}
.hero__visual img,
.hero__visual svg {
  width: 100%;
  max-width: 520px;
  height: auto;
}

.hero__badge {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}
.hero__badge--1 {
  top: 12%;
  left: 2%;
}
.hero__badge--2 {
  bottom: 16%;
  right: 0;
}
.hero__badge--3 {
  bottom: 4%;
  left: 12%;
}

/* ------------------------------------------------------------
   Grilles de cartes services
   ------------------------------------------------------------ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Grille logos / partenaires / valeurs */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ------------------------------------------------------------
   Bannière d'en-tête des pages intérieures
   ------------------------------------------------------------ */
.page-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(800px 400px at 90% -20%, rgba(0, 166, 251, 0.2), transparent 60%),
    radial-gradient(600px 400px at 0% 120%, rgba(124, 92, 255, 0.18), transparent 60%),
    var(--grad-dark);
  color: #dbe7f3;
  padding-block: clamp(3rem, 6vw, 5rem);
}
.page-hero h1 {
  color: #fff;
}
.page-hero .lead {
  color: #a9c0d6;
  max-width: 640px;
}
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #a9c0d6;
  margin-bottom: 16px;
}
.breadcrumb a {
  color: #a9c0d6;
}
.breadcrumb a:hover {
  color: var(--cyan);
}

/* ------------------------------------------------------------
   Bandeaux CTA / bandeau de contact
   ------------------------------------------------------------ */
.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--grad-dark);
  padding: clamp(2.5rem, 5vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  color: #dbe7f3;
}
.cta-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(0, 166, 251, 0.35), transparent 60%),
    radial-gradient(500px 300px at 0% 100%, rgba(124, 92, 255, 0.3), transparent 60%);
  pointer-events: none;
}
.cta-banner > * {
  position: relative;
  z-index: 1;
}
.cta-banner h2 {
  color: #fff;
  margin-bottom: 8px;
}

/* ------------------------------------------------------------
   Pied de page
   ------------------------------------------------------------ */
.site-footer {
  background: var(--navy-900);
  color: #9fb4c8;
  padding-top: clamp(3rem, 6vw, 5rem);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer__brand .brand {
  color: #fff;
}
.footer__brand .brand:hover {
  color: #fff;
}
.footer__desc {
  margin-top: 16px;
  font-size: 0.92rem;
  max-width: 300px;
}
.footer__title {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer__links li + li {
  margin-top: 10px;
}
.footer__links a {
  color: #9fb4c8;
  font-size: 0.92rem;
}
.footer__links a:hover {
  color: var(--cyan);
}
.footer__contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.92rem;
  margin-bottom: 12px;
}
.footer__contact svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 2px;
  color: var(--cyan);
}
.footer__contact a {
  color: #9fb4c8;
}
.footer__contact a:hover {
  color: var(--cyan);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}

/* ------------------------------------------------------------
   Page 404
   ------------------------------------------------------------ */
.error-page {
  min-height: calc(100vh - var(--nav-height));
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: 4rem;
}
.error-page__code {
  font-size: clamp(4rem, 14vw, 8rem);
  font-weight: 800;
  line-height: 1;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}