/* Infocalis landing — styles
   Tokens viennent de assets/colors_and_type.css (design system, submodule). */

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--fg-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; }

img, svg { max-width: 100%; }

.container {
  width: min(var(--container-max), calc(100% - 48px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
/* Neutralise le a:hover global (soulignement + couleur) du design system. */
.btn:hover { text-decoration: none; }

.btn--primary { background: var(--color-blue); color: #fff; }
.btn--primary:hover { background: var(--color-blue-hover); color: #fff; }
.btn--secondary { background: #fff; color: var(--color-navy); border-color: var(--border-1); }
.btn--secondary:hover { background: var(--color-cloud); color: var(--color-navy); }
.btn--cyan { background: var(--color-cyan); color: var(--color-navy); }
.btn--cyan:hover { background: #0891AE; color: var(--color-navy); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.30); }
.btn--ghost:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* ── Eyebrow ──────────────────────────────────────────────── */
.eyebrow {
  margin: 0 0 14px;
  color: var(--color-blue);
  font-size: var(--type-label);
  font-weight: var(--w-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow--cyan { color: var(--color-cyan); }

.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.section-lead {
  color: var(--fg-2);
  font-size: 18px;
  line-height: 1.55;
  max-width: 720px;
  margin-top: 16px;
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-slate-100);
}
.site-header__inner {
  width: min(var(--container-max), calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}
.site-header__logo { display: flex; align-items: center; }
.logo { height: 44px; width: auto; display: block; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: var(--fg-2); font-weight: 500; font-size: 14px; }
.site-nav a:hover { color: var(--color-navy); }
.site-nav a.site-nav__cta,
.site-nav a.site-nav__cta:hover { color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-navy);
  transition: transform .2s ease, opacity .2s ease;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-cloud) 100%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(11,31,51,0.08) 1px, transparent 1.5px) 0 0 / 20px 20px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, black 30%, transparent 70%);
  mask-image: radial-gradient(ellipse at 70% 30%, black 30%, transparent 70%);
  pointer-events: none;
}
.hero__container { position: relative; padding: 96px 0 120px; }
.hero__title {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 880px;
  margin: 18px 0 20px;
}
.hero__sub {
  color: var(--fg-2);
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.55;
  max-width: 720px;
}
.hero__actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }

/* ── Cards (shared) ───────────────────────────────────────── */
.card {
  background: #fff;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 24px;
}
.card h3 { font-size: 19px; font-weight: var(--w-h2); margin: 0 0 8px; }
.card p { color: var(--fg-2); font-size: 15px; line-height: 1.55; }

/* ── Problems ─────────────────────────────────────────────── */
.problems { background: #fff; padding: 88px 0; }
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.problems .card { box-shadow: 0 8px 24px rgba(11,31,51,0.05); }
.card__bullet {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--color-cyan);
  border-radius: 2px;
  margin-bottom: 18px;
}

/* ── Expertises ───────────────────────────────────────────── */
.expertises { background: var(--color-cloud); padding: 96px 0; }
.expertises__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card--expertise { display: flex; flex-direction: column; gap: 8px; }
.card--expertise h3 { font-size: 17px; margin: 0; }
.card--expertise p { font-size: 14.5px; flex-grow: 1; }
.icon-tile {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #EFF6FF;
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
}
.icon-tile svg { width: 22px; height: 22px; }
.icon-tile--ai { background: #ECFEFF; color: var(--color-cyan); }

/* ── Pillars (expertises) ─────────────────────────────────── */
.pillar { margin-bottom: 40px; }
.pillar:last-child { margin-bottom: 0; }
.pillar__label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  color: var(--color-navy);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pillar__label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-2);
}
.pillar__label--ai { color: var(--color-cyan); }

/* ── Approach ─────────────────────────────────────────────── */
.approach { background: var(--color-navy); color: #fff; padding: 96px 0; }
.approach__title { color: #fff; }
.approach__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.approach__step {
  padding: 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
}
.approach__num {
  display: block;
  color: var(--color-cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.approach__step h3 { color: #fff; font-size: 22px; margin: 0 0 8px; letter-spacing: -0.01em; }
.approach__step p { color: #C7D2DC; font-size: 14.5px; line-height: 1.55; margin: 0; }

/* ── Convictions ──────────────────────────────────────────── */
.beliefs { background: var(--color-cloud); padding: 96px 0; }
.beliefs__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.belief::before {
  content: "";
  display: block;
  width: 28px;
  height: 3px;
  background: var(--color-cyan);
  border-radius: 2px;
  margin-bottom: 18px;
}
.belief__k { font-size: 20px; font-weight: 700; color: var(--color-navy); margin: 0 0 10px; letter-spacing: -0.01em; }
.belief p { color: var(--fg-2); font-size: 15.5px; line-height: 1.6; margin: 0; }

/* ── Offre Data & AI ──────────────────────────────────────── */
.offer { background: #fff; padding: 96px 0; }
.offer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 40px;
}
.offer-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-cloud);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 24px;
}
.offer-card__step {
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.offer-card h3 { font-size: 17px; margin: 2px 0 0; }
.offer-card p { color: var(--fg-2); font-size: 14.5px; line-height: 1.55; flex-grow: 1; }
.offer-card__meta { color: var(--fg-3); font-size: 12.5px; font-weight: 600; margin-top: 4px; }

.offer__quote { border-left: 3px solid var(--color-cyan); padding: 4px 0 4px 22px; margin: 0; }
.offer__quote-text {
  color: var(--color-navy);
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.45;
  letter-spacing: -0.01em;
  max-width: 880px;
  margin: 12px 0 14px;
  font-weight: 500;
}
.offer__quote-meta { color: var(--fg-3); font-size: 13px; font-style: normal; }

/* ── Contact ──────────────────────────────────────────────── */
.contact { background: var(--color-navy); color: #fff; padding: 96px 0; }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact__title {
  color: #fff;
  font-size: clamp(32px, 5vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
  max-width: 560px;
}
.contact__text { color: #C7D2DC; font-size: 18px; line-height: 1.55; max-width: 480px; margin: 0; }
.contact__direct {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}
.contact__direct a { color: var(--color-cyan); font-weight: 600; font-size: 15px; }
.contact__direct a:hover { color: #67E8F9; }

/* ── Contact form (carte blanche) ─────────────────────────── */
.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-medium);
}
.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label, .field-check { color: var(--fg-2); font-size: 14px; font-weight: 600; }
.field input, .field textarea {
  width: 100%;
  padding: 11px 13px;
  font: inherit;
  font-size: 15px;
  color: var(--fg-1);
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--radius-sm);
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.field-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400;
  font-size: 13px;
  color: var(--fg-3);
  line-height: 1.45;
  margin-bottom: 18px;
}
.field-check input { margin-top: 2px; flex: 0 0 auto; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form__submit { width: 100%; justify-content: center; }
.contact-form__status { margin: 14px 0 0; font-size: 14px; line-height: 1.5; min-height: 1px; }
.contact-form__status.is-success { color: var(--color-success-fg); }
.contact-form__status.is-error { color: var(--color-risk-fg); }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer { background: #fff; border-top: 1px solid var(--color-slate-100); padding: 64px 0 32px; }
.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-slate-100);
}
.site-footer__brand { max-width: 320px; }
.site-footer__brand .logo { height: 32px; margin-bottom: 14px; }
.site-footer__brand p { color: var(--fg-3); font-size: 14px; line-height: 1.55; margin: 0; }
.site-footer__col-title {
  color: var(--color-navy);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.site-footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.site-footer__col a { color: var(--fg-2); font-size: 14px; }
.site-footer__col a:hover { color: var(--color-navy); }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 24px;
  color: var(--fg-3);
  font-size: 13px;
}
.site-footer--slim { padding: 32px 0; }
.site-footer--slim .site-footer__bottom { padding-top: 0; border: 0; }
.legal-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.legal-links a { color: var(--fg-2); font-size: 13px; }
.legal-links a:hover { color: var(--color-navy); }

/* ── Legal pages ──────────────────────────────────────────── */
.legal-back { color: var(--fg-2); font-weight: 500; font-size: 14px; }
.legal-back:hover { color: var(--color-navy); }
.legal { padding: 56px 0 96px; }
.legal__container { width: min(800px, calc(100% - 48px)); margin: 0 auto; }
.legal h1 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; }
.legal__updated { color: var(--fg-3); font-size: 14px; margin: 8px 0 36px; }
.legal h2 { font-size: 22px; margin: 36px 0 12px; }
.legal p { color: var(--fg-2); font-size: 16px; line-height: 1.65; margin: 0 0 12px; }
.legal ul { padding-left: 20px; margin: 0 0 12px; }
.legal li { color: var(--fg-2); font-size: 16px; line-height: 1.65; margin-bottom: 6px; }
.legal a { color: var(--color-blue); }
.legal__dl { display: grid; grid-template-columns: 220px 1fr; gap: 8px 24px; margin: 0; }
.legal__dl dt { color: var(--color-navy); font-weight: 600; font-size: 15px; }
.legal__dl dd { margin: 0; color: var(--fg-2); font-size: 15px; }
@media (max-width: 600px) {
  .legal__dl { grid-template-columns: 1fr; gap: 2px; }
  .legal__dl dd { margin-bottom: 12px; }
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .approach__grid { grid-template-columns: repeat(2, 1fr); }
  .offer-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; max-width: none; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 24px 20px;
    background: #fff;
    border-bottom: 1px solid var(--border-2);
    box-shadow: var(--shadow-soft);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 10px 0; font-size: 16px; }
  .site-nav__cta { justify-content: center; margin-top: 8px; }

  .hero__container { padding: 64px 0 72px; }
  .hero__title { font-size: 30px; line-height: 1.1; }
  .problems, .expertises, .approach, .beliefs, .offer, .contact { padding: 64px 0; }
  .problems__grid, .expertises__grid, .beliefs__grid { grid-template-columns: 1fr; }
  .offer-grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: 32px; }
  .contact-form__row { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .approach__grid { grid-template-columns: 1fr; }
  .site-footer__top { grid-template-columns: 1fr; }
}

/* ── Motion ───────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}
html { scroll-behavior: smooth; }