/* ===========================================================
   Service Informatique à la Carte — Styles
   Mobile-first, responsive
   =========================================================== */

:root {
  --c-primary: #1e3a8a;
  --c-primary-dark: #172e6b;
  --c-accent: #2563eb;
  --c-accent-light: #60a5fa;
  --c-bg: #ffffff;
  --c-bg-alt: #f5f7fb;
  --c-text: #1f2937;
  --c-muted: #6b7280;
  --c-border: #e5e7eb;
  --c-white: #ffffff;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.15);

  --container: 1140px;
  --transition: 0.25s ease;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.section { padding: 72px 0; }
.section--alt { background: var(--c-bg-alt); }

.section__head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 10px;
}

.section__title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.2;
  margin: 0 0 12px;
  font-weight: 800;
}

.section__subtitle { margin: 0; color: var(--c-muted); }

.text-accent { color: var(--c-accent); }

.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: 1fr; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--c-accent);
  color: var(--c-white);
}
.btn--primary:hover { background: var(--c-primary); transform: translateY(-2px); }

.btn--ghost {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-border);
}
.btn--ghost:hover { border-color: var(--c-accent); color: var(--c-accent); }

.btn--block { width: 100%; }

/* ---------- Header / Nav ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--c-border);
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-sm); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; }
.brand__logo {
  height: 40px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}
.brand__name strong { color: var(--c-accent); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 42px; height: 42px;
  background: none;
  border: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle__bar {
  width: 24px; height: 2.5px;
  background: var(--c-text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.nav__list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav__link { font-weight: 500; color: var(--c-text); transition: var(--transition); }
.nav__link:hover { color: var(--c-accent); }
.nav__link--cta {
  background: var(--c-accent);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
}
.nav__link--cta:hover { background: var(--c-primary); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 64px 0 72px;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(96, 165, 250, 0.18), transparent 60%),
    linear-gradient(180deg, #f8faff 0%, #ffffff 100%);
  overflow: hidden;
}
.hero__inner {
  display: grid;
  gap: 40px;
  align-items: center;
}
.hero__badge {
  display: inline-block;
  background: rgba(37, 99, 235, 0.1);
  color: var(--c-accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.hero__title {
  font-size: clamp(2rem, 6vw, 3.2rem);
  line-height: 1.1;
  font-weight: 800;
  margin: 0 0 18px;
}
.hero__subtitle { font-size: 1.1rem; color: var(--c-muted); max-width: 540px; margin: 0 0 28px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.hero__card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.hero__card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.hero__card--accent { background: var(--c-accent); color: #fff; border-color: transparent; }
.hero__card--accent .hero__card-text { color: #fff; }
.hero__card-icon { font-size: 2.4rem; margin-bottom: 10px; }
.hero__card-text { font-weight: 600; margin: 0; color: var(--c-text); }
.hero__card:nth-child(3) { grid-column: 1 / -1; }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }

.service__icon {
  font-size: 2rem;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: rgba(37, 99, 235, 0.1);
  margin-bottom: 16px;
}
.service__title { font-size: 1.2rem; margin: 0 0 8px; }
.service__text { margin: 0; color: var(--c-muted); }

/* ---------- À propos ---------- */
.apropos { display: grid; gap: 36px; align-items: center; }
.apropos__content p { color: var(--c-muted); }
.apropos__list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.apropos__list li { font-weight: 500; }

.apropos__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px 14px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.stat__num { display: block; font-size: 1.8rem; font-weight: 800; color: var(--c-accent); }
.stat__label { font-size: 0.85rem; color: var(--c-muted); }

/* ---------- Quotes ---------- */
.quote { display: flex; flex-direction: column; gap: 10px; margin: 0; }
.quote blockquote {
  margin: 0;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--c-text);
}
.quote figcaption { color: var(--c-muted); font-weight: 600; }

/* ---------- Contact form ---------- */
.contact-form {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; gap: 18px; grid-template-columns: 1fr; margin-bottom: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 600; font-size: 0.95rem; }
.field input,
.field select,
.field textarea {
  font: inherit;
  padding: 12px 14px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--c-text);
  transition: var(--transition);
  width: 100%;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.field { margin-bottom: 18px; }
.form-row .field { margin-bottom: 0; }
.form-feedback {
  margin: 16px 0 0;
  text-align: center;
  font-weight: 600;
  color: #047857;
  background: rgba(16, 185, 129, 0.1);
  padding: 12px;
  border-radius: var(--radius-sm);
}

/* ---------- Footer ---------- */
.footer { background: var(--c-primary-dark); color: #cbd5e1; padding: 40px 0 28px; }
.footer__inner { display: grid; gap: 18px; justify-items: center; text-align: center; }
.footer__brand { display: flex; flex-direction: column; align-items: center; gap: 10px; color: #fff; font-weight: 700; }.footer__brand .brand__logo { height: 56px; max-width: 220px; margin-bottom: 4px; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; }
.footer__nav a:hover { color: #fff; }
.footer__legal { font-size: 0.85rem; color: #94a3b8; margin: 0; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 20px; bottom: 20px;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  background: var(--c-accent);
  color: #fff;
  border-radius: 50%;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 90;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--c-primary); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }


/* ---------- Categories (3 familles de services) ---------- */
.categories {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  counter-reset: cat;
}

.category {
  --cat: var(--c-accent);
  --cat-soft: rgba(37, 99, 235, 0.12);
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.category:nth-child(2) { --cat: #7c3aed; --cat-soft: rgba(124, 58, 237, 0.12); }
.category:nth-child(3) { --cat: #0d9488; --cat-soft: rgba(13, 148, 136, 0.12); }

.category::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--cat), color-mix(in srgb, var(--cat) 55%, #ffffff));
}

.category:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.category__head {
  position: relative;
  padding: 30px 26px 20px;
  border-bottom: 1px solid var(--c-border);
  background: linear-gradient(180deg, var(--cat-soft), transparent 80%);
}

.category__icon {
  position: relative;
  font-size: 1.7rem;
  width: 58px; height: 58px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
  margin-bottom: 16px;
  transition: transform var(--transition);
}
.category:hover .category__icon { transform: translateY(-2px) rotate(-4deg); }

.category__num {
  position: absolute;
  top: 22px; right: 22px;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  color: var(--cat);
  opacity: 0.16;
  counter-increment: cat;
}
.category__num::before { content: "0" counter(cat); }

.category__title {
  font-size: 1.32rem;
  margin: 0 0 8px;
  font-weight: 800;
  color: var(--c-text);
}
.category__desc { margin: 0; color: var(--c-muted); font-size: 0.97rem; }

.category__list {
  list-style: none;
  padding: 22px 26px 30px;
  margin: 0;
  display: grid;
  gap: 12px;
  flex: 1;
}
.category__list li {
  position: relative;
  padding: 10px 12px 10px 42px;
  font-weight: 500;
  font-size: 0.97rem;
  border-radius: 10px;
  background: var(--c-bg-alt);
  transition: var(--transition);
}
.category__list li:hover {
  background: var(--cat-soft);
  transform: translateX(4px);
}
.category__list li::before {
  content: "✓";
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  width: 20px; height: 20px;
  display: grid; place-items: center;
  background: var(--cat);
  color: #fff;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 700;
}

@media (min-width: 768px) {
  .categories { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 992px) {
  .categories { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Page service : hero single + CTA ---------- */
.hero__inner--service { gap: 32px; }
.hero__visual--single {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 240px;
  margin-inline: auto;
}
.hero__visual--single .hero__card {
  padding: 40px 24px;
}
.hero__visual--single .hero__card-icon { font-size: 3rem; }

.cta-box {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
  color: #fff;
  border-radius: var(--radius);
  padding: 48px 32px;
  box-shadow: var(--shadow-lg);
}
.cta-box .section__title { color: #fff; margin-bottom: 12px; }
.cta-box .section__subtitle { color: rgba(255, 255, 255, 0.9); margin-bottom: 24px; }
.cta-box .btn--primary {
  background: #fff;
  color: var(--c-accent);
}
.cta-box .btn--primary:hover { background: var(--c-bg-alt); }

/* Item de liste cliquable */
.category__list a {
  display: block;
  color: inherit;
  text-decoration: none;
}
.category__list a::after {
  content: " →";
  opacity: 0;
  transition: var(--transition);
  color: var(--cat);
  font-weight: 700;
}
.category__list li:hover a::after { opacity: 1; }


/* ---------- Page mentions légales ---------- */
.legal {
  max-width: 820px;
  margin: 0 auto;
}
.legal .section__head { text-align: left; margin-bottom: 36px; }
.legal__block {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--c-border);
}
.legal__block:last-child { border-bottom: 0; }
.legal__title {
  font-size: 1.15rem;
  margin: 0 0 10px;
  color: var(--c-primary);
}
.legal__block p { margin: 0; color: var(--c-muted); }
.legal__block a { color: var(--c-accent); }
.legal__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
  color: var(--c-muted);
}
.legal__list li { padding-left: 0; }


/* ---------- Contact simple (sans formulaire) ---------- */
.contact-simple {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 44px 32px;
  box-shadow: var(--shadow-sm);
}
.contact-simple__text {
  margin: 0 0 20px;
  color: var(--c-muted);
  font-size: 1.05rem;
}
.contact-simple__mail {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-accent);
  padding: 14px 28px;
  border: 2px solid var(--c-accent);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.contact-simple__mail:hover {
  background: var(--c-accent);
  color: #fff;
  transform: translateY(-2px);
}


/* ---------- Contact : centrage renforcé ---------- */
#contact .section__head { text-align: center; }
#contact .contact-simple { margin-inline: auto; }


/* ===========================================================
   Responsive — Tablettes
   =========================================================== */
@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 768px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 80px 0 96px; }
  .hero__inner { grid-template-columns: 1.1fr 0.9fr; gap: 56px; }
  .hero__card:nth-child(3) { grid-column: auto; }
  .hero__visual { grid-template-columns: 1fr; grid-template-rows: repeat(3, auto); }
  .apropos { grid-template-columns: 1.2fr 0.8fr; }
  .section { padding: 96px 0; }
}

/* ===========================================================
   Responsive — Desktop
   =========================================================== */
@media (min-width: 992px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Menu mobile : passage en overlay < 860px ---------- */
@media (max-width: 859px) {
  .nav {
    position: fixed;
    inset: 68px 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav.open { max-height: 360px; }
  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 20px;
  }
  .nav__link {
    display: block;
    padding: 14px 4px;
    border-bottom: 1px solid var(--c-border);
  }
  .nav__link--cta { text-align: center; margin-top: 10px; border-bottom: 0; }
}

@media (min-width: 860px) {
  .nav-toggle { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Bandeau de consentement cookies ---------- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: var(--c-white);
  border-top: 1px solid var(--c-border);
  box-shadow: var(--shadow-lg);
  padding: 16px 0;
  font-size: 0.95rem;
}
.cookie-banner__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cookie-banner__text {
  flex: 1 1 320px;
  color: var(--c-text);
}
.cookie-banner__text p { margin: 0; }
.cookie-banner__text a {
  color: var(--c-accent);
  text-decoration: underline;
}
.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.cookie-banner__btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--c-primary);
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  cursor: pointer;
  transition: var(--transition);
}
.cookie-banner__btn--accept {
  background: var(--c-primary);
  color: var(--c-white);
}
.cookie-banner__btn--accept:hover {
  background: var(--c-primary-dark);
}
.cookie-banner__btn--refuse {
  background: var(--c-white);
  color: var(--c-primary);
}
.cookie-banner__btn--refuse:hover {
  background: var(--c-bg-alt);
}
@media (max-width: 600px) {
  .cookie-banner__inner { flex-direction: column; align-items: stretch; }
  .cookie-banner__actions { justify-content: space-between; }
  .cookie-banner__btn { flex: 1; }
}