/* ============================================================
   UNE CARAPACE — design system premium
   Charte reprise de Comparanimo (charte esthétique premium) + La Bonne Borne
   Couleurs : turquoise #00D6B4 · crème #F4F2EC · sarcelle nuit #06302B · corail #FF7A59
   Typo : Urbanist (display), Inter (corps) · Icônes : Tabler
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Urbanist:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root{
  --turquoise:#00D6B4; --turquoise-d:#00A98F; --turquoise-dd:#0E7A72;
  --soft:#E7FBF4; --soft-2:#D6F6EC;
  --cream:#F4F2EC; --cream-2:#ECE8DE; --white:#FFFFFF;
  --night:#06302B; --night-2:#0B433B;
  --coral:#FF7A59;
  --ink:#10221E; --slate:#3F4F4A; --muted:#5C6B66;
  --line:rgba(6,48,43,.10);
  --radius:20px; --radius-sm:13px; --radius-lg:26px;
  --shadow:0 18px 44px rgba(6,48,43,.09);
  --shadow-sm:0 8px 22px rgba(6,48,43,.07);
  --shadow-brand:0 22px 50px rgba(0,169,143,.18);
  --maxw:1080px;
  --display:'Urbanist',system-ui,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:var(--cream);
  font-size:17px;line-height:1.68;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brand{font-family:var(--display);line-height:1.14;letter-spacing:-.4px;color:var(--night)}
h1{font-size:2.7rem;font-weight:600;margin:.15em 0 .35em}
h2{font-size:1.7rem;font-weight:600;margin:1.9em 0 .55em}
h3{font-size:1.22rem;font-weight:600;margin:1.4em 0 .35em}
a{color:var(--turquoise-dd);text-decoration:none}
a:hover{text-decoration:underline}
p{margin:.7em 0}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
section{padding:22px 0}

/* ---- Reveal au scroll (anim.js) ---- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(244,242,236,.82);backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px}
.logo svg{width:34px;height:34px}
.logo .brand{font-size:1.28rem;font-weight:500;color:var(--night)}
.nav{display:flex;gap:24px;align-items:center}
.nav a{color:var(--night);font-family:var(--display);font-weight:500;font-size:.98rem}
.nav a:hover{color:var(--turquoise-dd);text-decoration:none}
.nav .ti{font-size:1.1rem;vertical-align:-2px;margin-right:5px;color:var(--turquoise-d)}
@media(max-width:820px){.nav{display:none}}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--turquoise);color:var(--night);
  font-family:var(--display);font-weight:600;font-size:1.02rem;padding:14px 26px;border-radius:999px;border:none;
  cursor:pointer;transition:transform .14s,box-shadow .14s,background .14s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-brand);background:#13e3c1;text-decoration:none}
.btn:active{transform:translateY(0) scale(.985)}
.btn.lg{font-size:1.12rem;padding:16px 30px}
.btn .ti{font-size:1.15rem}
.btn-secondary{background:var(--night);color:#fff}
.btn-secondary:hover{background:var(--night-2);box-shadow:0 16px 34px rgba(6,48,43,.32)}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--night)}
.btn-ghost:hover{background:#fff;box-shadow:var(--shadow-sm)}

/* ---- Hero ---- */
.hero{position:relative;overflow:hidden;color:var(--cream);border-radius:var(--radius-lg);
  padding:74px 44px;margin:24px 0;text-align:center;
  background:
    radial-gradient(135% 105% at 50% -25%, #0e5749 0%, rgba(14,87,73,0) 55%),
    radial-gradient(95% 85% at 86% 122%, rgba(0,214,180,.24), rgba(0,214,180,0) 55%),
    linear-gradient(162deg,#08463c 0%,#06302B 55%,#03211c 100%);
  box-shadow:inset 0 -70px 90px rgba(0,0,0,.28)}
.hero::before{content:"";position:absolute;inset:0;opacity:.14;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='46' height='52'%3E%3Cpath d='M23 2 L43 13.5 L43 38.5 L23 50 L3 38.5 L3 13.5 Z' fill='none' stroke='%23ffffff' stroke-width='1.4'/%3E%3C/svg%3E");
  -webkit-mask-image:radial-gradient(circle at 50% 36%, #000 0%, rgba(0,0,0,.45) 46%, transparent 74%);
  mask-image:radial-gradient(circle at 50% 36%, #000 0%, rgba(0,0,0,.45) 46%, transparent 74%)}
.hero::after{content:"";position:absolute;right:-90px;top:-70px;width:380px;height:440px;pointer-events:none;opacity:.12;
  background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 116'%3E%3Cpath d='M50 3 L93 28 L93 88 L50 113 L7 88 L7 28 Z' fill='none' stroke='%23ffffff' stroke-width='2'/%3E%3Cpath d='M50 30 L72 43 L72 73 L50 86 L28 73 L28 43 Z' fill='none' stroke='%2300D6B4' stroke-width='2'/%3E%3C/svg%3E");
  filter:blur(.4px)}
.hero>*{position:relative}
.hero h1{color:#fff;font-size:3rem;max-width:780px;margin:0 auto .25em}
.hero p{color:#aee3d8;font-size:1.2rem;max-width:640px;margin:0 auto 1.7em}
.hero .btn-row{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.28)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.08);box-shadow:none}
@media(max-width:600px){.hero{padding:44px 22px}.hero h1{font-size:2.2rem}}

/* ---- Cards / grid ---- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,#ffffff,#F3FBF8);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow-sm);transition:transform .16s,box-shadow .16s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-brand)}
.card h3{margin:0 0 .3em}
.card p{color:var(--slate);margin:0}
.cat-ic{display:inline-flex;width:52px;height:52px;border-radius:15px;background:var(--soft);color:var(--turquoise-dd);
  align-items:center;justify-content:center;font-size:1.7rem;margin-bottom:15px}
.cat-ic .ti{font-size:1.7rem}

/* ---- Article ---- */
.article{max-width:768px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:42px 48px;box-shadow:var(--shadow-sm)}
@media(max-width:600px){.article{padding:28px 22px}}
.breadcrumb{font-size:.86rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.meta-row{font-size:.86rem;color:var(--muted);margin:-.2em 0 1.3em}
.updated{font-size:.82rem;color:var(--muted)}
.article p{color:var(--slate)}

/* ---- Callout "En bref" ---- */
.callout{background:linear-gradient(180deg,var(--soft),#fff);border:1px solid var(--soft-2);border-left:4px solid var(--turquoise);
  border-radius:var(--radius-sm);padding:20px 24px;margin:1.5em 0}
.callout strong{color:var(--night)}
.callout ul{margin:.5em 0 0;padding-left:1.15em}
.callout li{margin:.4em 0;color:var(--slate)}
.tip{background:linear-gradient(180deg,#FFF1EC,#fff);border-color:#FFD6C9;border-left-color:var(--coral)}

/* ---- Table ---- */
.tbl-wrap{overflow-x:auto;margin:1.3em 0;border-radius:var(--radius-sm);border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:.95rem;background:#fff}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
th{background:var(--soft);font-family:var(--display);font-weight:600;color:var(--night)}

/* ---- FAQ ---- */
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);padding:2px 20px;margin:11px 0;background:#fff;transition:box-shadow .15s}
.faq details[open]{box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;font-family:var(--display);font-weight:600;color:var(--night);padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--turquoise-dd);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq p{margin-top:0;color:var(--slate)}

/* ---- Chips ---- */
.chip{display:inline-block;background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:9px 17px;
  font-family:var(--display);font-weight:500;cursor:pointer;margin:4px;transition:all .13s}
.chip:hover{border-color:var(--turquoise);transform:translateY(-1px)}
.chip.active{background:var(--turquoise);border-color:var(--turquoise);color:var(--night);box-shadow:0 6px 16px rgba(0,214,180,.35)}

/* ---- CTA band ---- */
.cta-band{position:relative;overflow:hidden;color:var(--cream);border-radius:var(--radius-lg);padding:44px;text-align:center;margin:32px 0;
  background:
    radial-gradient(90% 120% at 80% 0%, rgba(0,214,180,.20), rgba(0,214,180,0) 55%),
    linear-gradient(135deg,#0b4a40,#06302B)}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.10;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='46' height='52'%3E%3Cpath d='M23 2 L43 13.5 L43 38.5 L23 50 L3 38.5 L3 13.5 Z' fill='none' stroke='%23ffffff' stroke-width='1.4'/%3E%3C/svg%3E");
  -webkit-mask-image:radial-gradient(circle at 70% 30%, #000 0%, transparent 70%);
  mask-image:radial-gradient(circle at 70% 30%, #000 0%, transparent 70%)}
.cta-band>*{position:relative}
.cta-band h2{color:#fff;margin-top:0}
.cta-band p{color:#aee3d8;max-width:520px;margin:0 auto 1.2em}

/* ---- Banner (photo hero d'article) ---- */
.banner{width:100%;height:240px;object-fit:cover;border-radius:var(--radius);margin:0 0 1.4em;box-shadow:var(--shadow-sm)}

/* ---- Tools / calculateurs ---- */
.calc{background:linear-gradient(180deg,#ffffff,#F3FBF8);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;box-shadow:var(--shadow-brand);max-width:660px;margin:0 auto}
.calc label{display:block;font-family:var(--display);font-weight:600;color:var(--night);margin:16px 0 7px}
.calc input[type=text],.calc input[type=password],.calc input[type=email],.calc select{
  width:100%;padding:15px 17px;border-radius:13px;border:1.5px solid var(--line);background:#fff;
  font-size:1.06rem;font-weight:500;color:var(--ink);font-family:'Inter',sans-serif;
  -webkit-appearance:none;-moz-appearance:textfield;appearance:none;transition:border-color .15s,box-shadow .15s}
.calc select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%2300A98F' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.calc input:focus,.calc select:focus{outline:none;border-color:var(--turquoise);box-shadow:0 0 0 4px rgba(0,214,180,.18)}
.calc input::-webkit-outer-spin-button,.calc input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.calc .result{margin-top:24px;background:linear-gradient(135deg,var(--turquoise-d),var(--night));color:#fff;
  border-radius:18px;padding:26px;text-align:center;box-shadow:var(--shadow-brand)}
.calc .result .big{font-family:var(--display);font-size:2.6rem;font-weight:700;letter-spacing:-1px;line-height:1.05}
.calc .result .lbl{text-transform:uppercase;letter-spacing:.09em;font-size:.78rem;color:#bfe9e0;margin-top:6px}
.meter{height:12px;border-radius:999px;background:var(--cream-2);overflow:hidden;margin-top:16px}
.meter span{display:block;height:100%;width:0;border-radius:999px;transition:width .35s,background .35s}

/* ---- Footer ---- */
.site-footer{background:var(--night);color:#cfe8e1;margin-top:44px;padding:46px 0 30px}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
@media(max-width:760px){.site-footer .wrap{grid-template-columns:1fr 1fr}}
.site-footer h4{color:#fff;font-size:1.02rem;margin:0 0 12px}
.site-footer a{display:block;color:#9fd4c9;font-size:.92rem;margin:8px 0}
.site-footer a:hover{color:#fff}
.site-footer .legal{grid-column:1/-1;border-top:1px solid #14463d;margin-top:16px;padding-top:18px;font-size:.82rem;color:#7fb6aa;line-height:1.6}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:11px}
.foot-brand svg{width:30px;height:30px}
.foot-brand span{font-family:var(--display);font-weight:500;color:#fff;font-size:1.14rem}