/* ==========================================================================
   Simafri — Design system / bibliothèque de composants (template statique)
   Amorti sur tous les sites. Tokens + composants réutilisables.
   Charte Simafri : bleu foncé #0066BF · bleu clair #4A9AD1 · gris #7D7E84.
   ========================================================================== */

/* ---- Tokens --------------------------------------------------------------- */
:root {
  --brand:        #0066bf;   /* Simafri — bleu foncé */
  --brand-dark:   #00529c;
  --brand-tint:   #e8f2fb;
  --accent:       #4a9ad1;   /* Simafri — bleu clair */
  --ink:          #1f2733;
  --ink-soft:     #4a5263;
  --muted:        #6d6e74;   /* Simafri — gris charte #7d7e84 assombri pour contraste AA sur texte secondaire (4,5:1) */
  --line:         #e4e8f0;
  --bg:           #ffffff;
  --bg-alt:       #f6f8fc;
  --ok:           #00824c;   /* vert promo assombri : contraste AA 4,5:1 (badge texte blanc + promo-pct sur blanc) */

  --radius:       14px;
  --radius-sm:    9px;
  --shadow:       0 1px 2px rgba(20,33,61,.06), 0 12px 32px rgba(20,33,61,.08);
  --shadow-sm:    0 1px 2px rgba(20,33,61,.06), 0 4px 14px rgba(20,33,61,.06);

  --container:    1140px;
  --font:         "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* ---- Reset / base --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 750; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 1rem; color: var(--ink-soft); }
a  { color: var(--brand); text-decoration: underline; text-underline-offset: .15em; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ---- Layout --------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
.section   { padding-block: clamp(48px, 7vw, 88px); }
.section--alt { background: var(--bg-alt); }
.section__head { max-width: 720px; margin: 0 auto clamp(28px, 4vw, 48px); text-align: center; }
.section__head p { font-size: 1.075rem; }
.eyebrow { color: var(--brand); font-weight: 700; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .6rem; }

/* ---- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font: inherit; font-weight: 650; line-height: 1;
  padding: .82em 1.4em; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .08s ease, background .15s ease, box-shadow .15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(11,95,255,.28); }
.btn--primary:hover { background: var(--brand-dark); }
.btn--ghost   { background: #fff; color: var(--brand); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--brand); }
.btn--block   { width: 100%; }

/* ---- Header / nav --------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9); backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 24px; height: 68px; }
.nav__brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.nav__brand:hover { text-decoration: none; }
.nav__logo-img { height: 32px; width: auto; display: block; }
.nav__links { display: flex; gap: 22px; margin-left: 8px; list-style: none; padding: 0; }
.nav__links a { color: var(--ink-soft); font-weight: 550; font-size: .95rem; text-decoration: none; }
.nav__links a:hover { color: var(--brand); text-decoration: none; }
.nav__cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
/* burger : caché en desktop ; checkbox visuellement masquée mais focusable */
.nav__toggle { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.nav__burger { display: none; }
@media (max-width: 860px) {
  .nav { flex-wrap: wrap; row-gap: 0; height: auto; min-height: 68px; }
  .nav__burger {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    margin-left: auto; width: 44px; height: 44px; padding: 11px;
    border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer;
  }
  .nav__burger span { display: block; height: 2px; width: 100%; background: var(--ink); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle:checked ~ .nav__links {
    display: flex; flex-direction: column; gap: 2px; flex-basis: 100%;
    margin: 6px 0 0; padding-top: 8px; border-top: 1px solid var(--line);
  }
  .nav__toggle:checked ~ .nav__links a { padding: 11px 4px; font-size: 1rem; }
  .nav__toggle:checked ~ .nav__cta {
    display: flex; flex-direction: column; align-items: stretch; flex-basis: 100%; gap: 10px; margin: 4px 0 12px;
  }
  .nav__toggle:checked ~ .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle:checked ~ .nav__burger span:nth-child(2) { opacity: 0; }
  .nav__toggle:checked ~ .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---- Hero ----------------------------------------------------------------- */
.hero { background: radial-gradient(1200px 500px at 70% -10%, var(--brand-tint), transparent 60%); }
.hero__inner { display: grid; gap: 28px; padding-block: clamp(48px, 7vw, 92px); text-align: center; max-width: 820px; margin-inline: auto; }
.hero h1 { margin-bottom: .2em; }
.hero__sub { font-size: 1.2rem; color: var(--ink-soft); margin: 0 auto; max-width: 600px; }
.hero__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.hero__trust { display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; color: var(--muted); font-size: .92rem; margin-top: 10px; }
.hero__trust strong { color: var(--ink); }

/* ---- Pricing -------------------------------------------------------------- */
.pricing { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); align-items: stretch; }
@media (max-width: 900px) { .pricing { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; } }
.plan {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm); position: relative; display: flex; flex-direction: column;
}
.plan--featured { border-color: var(--brand); box-shadow: var(--shadow); }
.plan__badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--brand); color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; padding: .4em 1em; border-radius: 999px;
  text-align: center; white-space: nowrap;
}
.plan__name { font-size: 1.05rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }
.plan__price { font-size: 2.3rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.plan__price span { font-size: .95rem; font-weight: 600; color: var(--muted); }
.plan__cta { margin: 20px 0 22px; }
.plan__features { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.plan__features li { position: relative; padding-left: 26px; font-size: .9rem; color: var(--ink-soft); }
.plan__features li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 16px; height: 16px;
  background: var(--brand-tint); border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%230066bf' d='M6.5 10.6 3.9 8l-1 1 3.6 3.6 7-7-1-1z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.pricing-note { text-align: center; color: var(--muted); font-size: .88rem; margin-top: 22px; }

/* ---- Feature grid --------------------------------------------------------- */
.features { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 22px; box-shadow: var(--shadow-sm); }
.feature__icon { width: 42px; height: 42px; border-radius: 10px; background: var(--brand-tint); display: grid; place-items: center; margin-bottom: 14px; }
.feature__icon svg { width: 22px; height: 22px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.feature h3 { margin-bottom: .35em; font-size: 1.02rem; }
.feature p { margin: 0; font-size: .92rem; }

/* ---- References ----------------------------------------------------------- */
.refs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.refs span {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: .5em 1em; font-size: .85rem; color: var(--ink-soft); font-weight: 550; box-shadow: var(--shadow-sm);
}

/* ---- Prose (SEO content) -------------------------------------------------- */
.prose { max-width: 760px; margin-inline: auto; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; color: var(--ink); }

/* ---- Footer --------------------------------------------------------------- */
.site-footer { background: var(--ink); color: #c7cfe0; padding-block: 56px 28px; }
.site-footer a { color: #c7cfe0; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; gap: 32px; grid-template-columns: 1.4fr 1fr 1fr 1fr; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h2 { color: #fff; font-size: .95rem; font-weight: 700; letter-spacing: 0; margin: 0 0 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .9rem; }
.site-footer address { font-style: normal; font-size: .88rem; line-height: 1.7; color: #aab3c9; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .85rem; color: #8d97b0; }

/* ---- Tiers compacts (ex. paliers de stockage) ----------------------------- */
.tier-grid { display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .tier-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .tier-grid { grid-template-columns: 1fr; } }
.tier {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px 18px; text-align: center; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 4px;
}
.tier__label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .07em; font-weight: 700; }
.tier__size  { font-size: 1.7rem; font-weight: 800; color: var(--brand); letter-spacing: -.02em; }
.tier__price { font-size: 1.05rem; font-weight: 700; color: var(--ink); margin: 6px 0 16px; }
.tier__price span { font-size: .82rem; font-weight: 600; color: var(--muted); }
.tier .btn { margin-top: auto; }

/* ---- Liste de fonctionnalités incluses (2 colonnes) ----------------------- */
.incl { columns: 2; column-gap: 36px; max-width: 720px; margin: 28px auto 0; padding: 0; list-style: none; }
@media (max-width: 560px) { .incl { columns: 1; } }
.incl li { break-inside: avoid; position: relative; padding-left: 26px; margin-bottom: 10px; font-size: .92rem; color: var(--ink-soft); }
.incl li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 16px; height: 16px;
  background: var(--brand-tint); border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%230066bf' d='M6.5 10.6 3.9 8l-1 1 3.6 3.6 7-7-1-1z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

/* ---- Bandeau « idéal pour » ----------------------------------------------- */
.usecases { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); max-width: 820px; margin-inline: auto; }
@media (max-width: 700px) { .usecases { grid-template-columns: 1fr; } }
.usecase { background: var(--brand-tint); border-radius: var(--radius-sm); padding: 20px; text-align: center; }
.usecase strong { display: block; color: var(--brand); font-size: 1.05rem; margin-bottom: 4px; }

/* ---- Specs (paliers ULTRA) ------------------------------------------------ */
.plan__specs { display: flex; gap: 18px; justify-content: center; margin: 4px 0 8px; }
.plan__specs div { text-align: center; }
.plan__specs b { display: block; font-size: 1.15rem; color: var(--ink); }
.plan__specs span { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

/* ---- Utilities ------------------------------------------------------------ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* ---- Plan : total à régler (bas de carte, hauteurs égales via .pricing) ---- */
.plan__total { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.plan__total strong { display: block; font-size: 1.7rem; color: var(--ink); font-weight: 800; letter-spacing: -.02em; }
.plan__total span { display: block; margin-top: 3px; font-size: .85rem; color: var(--muted); }
.plan__badge--promo { background: var(--ok); font-size: .8rem; padding: .45em 1.15em; }
.promo-pct { color: var(--ok); font-weight: 800; }

/* ---- FAQ (accordéon natif, sans JS) --------------------------------------- */
.faq { max-width: 760px; margin-inline: auto; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 2px 20px; box-shadow: var(--shadow-sm); }
.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); padding: 16px 34px 16px 0; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 12px; font-size: 1.5rem; line-height: 1; color: var(--brand); font-weight: 400; }
.faq details[open] summary { color: var(--brand); }
.faq details[open] summary::after { content: "\2013"; }
.faq details > p { margin: 0 0 16px; font-size: .95rem; }