/* =============================================================================
   ZetHeberge — Design épuré & moderne (thème clair)
   ========================================================================== */
@font-face{font-family:'Inter';font-weight:400;font-display:swap;src:url('/assets/fonts/inter-400.woff2') format('woff2');}
@font-face{font-family:'Inter';font-weight:600;font-display:swap;src:url('/assets/fonts/inter-600.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-weight:500;font-display:swap;src:url('/assets/fonts/space-grotesk-500.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-weight:600;font-display:swap;src:url('/assets/fonts/space-grotesk-600.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-weight:500;font-display:swap;src:url('/assets/fonts/jetbrains-mono-500.woff2') format('woff2');}

:root{
  --bg:#ffffff; --bg-soft:#f6f7f9; --bg-tint:#f0f3ff;
  --text:#0f172a; --text-soft:#5b6678; --text-mute:#8a94a6;
  --primary:#4f46e5; --primary-hover:#4338ca; --primary-soft:#eef0ff;
  --accent:#0ea5e9;
  --border:#e7eaf0; --border-soft:#eef1f5;
  --ink:#0f1729;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --maxw:1120px; --gutter:clamp(1.15rem,4vw,2rem);
  --radius:16px; --radius-sm:10px; --radius-xs:8px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05);
  --shadow:0 4px 24px rgba(15,23,42,.07);
  --shadow-lg:0 18px 50px rgba(15,23,42,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}}
body{margin:0;font-family:var(--font-body);font-size:1.0625rem;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em;font-weight:600;color:var(--ink);}
p{margin:0 0 1rem;}
a{color:var(--primary);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;height:auto;display:block;}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px;}
.skip-link{position:absolute;left:.75rem;top:-3.5rem;z-index:999;background:var(--ink);color:#fff;padding:.7rem 1.1rem;border-radius:0 0 10px 10px;font-weight:600;transition:top .18s;}
.skip-link:focus{top:0;color:#fff;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(3rem,7vw,5.5rem);}
.section--soft{background:var(--bg-soft);}
.section-head{max-width:640px;margin-bottom:2.5rem;}
.section-head--center{margin-inline:auto;text-align:center;}
.eyebrow{font-family:var(--font-mono);font-weight:500;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin:0 0 .8rem;display:inline-block;}
.h-xl{font-size:clamp(2.2rem,5.5vw,3.5rem);}
.h-lg{font-size:clamp(1.7rem,4vw,2.5rem);}
.lede{font-size:1.15rem;color:var(--text-soft);}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-body);font-weight:600;font-size:1rem;padding:.78rem 1.4rem;border-radius:var(--radius-sm);border:1.5px solid transparent;cursor:pointer;transition:all .16s;text-decoration:none;}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm);}
.btn--primary:hover{background:var(--primary-hover);color:#fff;}
.btn--ghost{background:#fff;color:var(--text);border-color:var(--border);}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn--sm{padding:.5rem .9rem;font-size:.9rem;}
.btn--block{width:100%;}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--border-soft);}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:1rem;}
.brand{display:inline-flex;align-items:center;gap:.6rem;color:var(--ink);font-weight:600;}
.brand:hover{text-decoration:none;}
.brand__mark{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:var(--primary);color:#fff;font-family:var(--font-display);font-weight:600;}
.brand__name{font-family:var(--font-display);font-size:1.2rem;letter-spacing:-.02em;}
.nav-list{list-style:none;display:flex;align-items:center;gap:1.4rem;margin:0;padding:0;}
.nav-list a:not(.btn){color:var(--text-soft);font-weight:500;font-size:.97rem;}
.nav-list a:not(.btn):hover{color:var(--ink);text-decoration:none;}
.nav-toggle{display:none;background:transparent;border:1px solid var(--border);border-radius:9px;width:42px;height:42px;cursor:pointer;}
.nav-toggle__bars,.nav-toggle__bars::before,.nav-toggle__bars::after{content:'';display:block;width:18px;height:2px;background:var(--ink);margin-inline:auto;position:relative;transition:.2s;}
.nav-toggle__bars::before{position:absolute;top:-6px;}.nav-toggle__bars::after{position:absolute;top:6px;}
.nav-toggle[aria-expanded=true] .nav-toggle__bars{background:transparent;}
.nav-toggle[aria-expanded=true] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded=true] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg);}
@media(max-width:880px){
  .nav-toggle{display:block;}
  .nav-list{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--border);padding:.5rem var(--gutter) 1.25rem;box-shadow:var(--shadow);display:none;}
  .nav-list.is-open{display:flex;}
  .nav-list li{padding:.35rem 0;}
  .nav-list a:not(.btn){display:block;padding:.4rem 0;}
  .nav-list__cta{padding-top:.6rem;}
}

/* Hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(60% 60% at 80% 0%,var(--bg-tint),transparent 70%),
  radial-gradient(50% 50% at 0% 100%,#eafaff,transparent 70%);}
.hero__inner{padding-block:clamp(3.5rem,8vw,6rem);max-width:760px;}
.hero h1{margin-bottom:1rem;}
.hero .lede{max-width:54ch;margin-bottom:2rem;}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;}
.hero__trust{display:flex;flex-wrap:wrap;gap:1.5rem 2.5rem;margin-top:2.5rem;padding-top:2rem;border-top:1px solid var(--border);}
.hero__trust div{display:flex;flex-direction:column;}
.hero__trust b{font-family:var(--font-display);font-size:1.4rem;color:var(--ink);}
.hero__trust span{font-size:.85rem;color:var(--text-mute);}

/* Cards grid */
.grid{display:grid;gap:1.25rem;}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--4{grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.grid--3,.grid--4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.grid--3,.grid--4{grid-template-columns:1fr;}}

/* Family card */
.fcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:.18s;}
.fcard:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px);}
.fcard__cat{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-mute);margin-bottom:.6rem;}
.fcard__title{font-size:1.3rem;margin:0 0 .35rem;}
.fcard__title a{color:var(--ink);}
.fcard__title a:hover{color:var(--primary);text-decoration:none;}
.fcard__tag{color:var(--text-soft);font-size:.95rem;margin:0 0 1.2rem;flex:1;}
.fcard__foot{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:auto;}
.fcard__price{display:flex;flex-direction:column;line-height:1.1;}
.fcard__price small{font-size:.72rem;color:var(--text-mute);font-family:var(--font-mono);}
.fcard__price b{font-family:var(--font-display);font-size:1.5rem;color:var(--ink);}
.fcard__count{font-size:.8rem;color:var(--text-mute);}

/* Category section */
.cat-block{margin-bottom:3rem;}
.cat-block__head{display:flex;align-items:baseline;gap:.75rem;margin-bottom:1.25rem;}
.cat-block__head h2{font-size:1.5rem;margin:0;}
.cat-block__head span{font-size:.85rem;color:var(--text-mute);}

/* Filters */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2.5rem;}
.chip{font-family:var(--font-body);font-weight:500;font-size:.9rem;padding:.45rem 1rem;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--text-soft);cursor:pointer;transition:.16s;}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.is-active{background:var(--ink);color:#fff;border-color:var(--ink);}
.is-hidden{display:none!important;}

/* Plan cards (family detail) */
.plans{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.plan{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:.18s;}
.plan:hover{box-shadow:var(--shadow);}
.plan--pop{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary);}
.plan__badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-size:.7rem;font-weight:600;letter-spacing:.04em;padding:.22rem .7rem;border-radius:999px;}
.plan__name{font-size:1.15rem;margin:0 0 .75rem;}
.plan__price{display:flex;align-items:baseline;gap:.25rem;margin-bottom:1.1rem;}
.plan__amount{font-family:var(--font-display);font-size:2rem;color:var(--ink);}
.plan__unit{color:var(--text-mute);font-size:.9rem;}
.plan__specs{list-style:none;margin:0 0 1.4rem;padding:0;display:grid;gap:.55rem;}
.plan__specs li{display:flex;justify-content:space-between;gap:1rem;font-size:.9rem;border-bottom:1px solid var(--border-soft);padding-bottom:.55rem;}
.plan__specs li:last-child{border-bottom:0;}
.plan__specs .k{color:var(--text-mute);}
.plan__specs .v{color:var(--text);font-weight:500;text-align:right;}
.plan .btn{margin-top:auto;}

/* Why / features */
.feature{padding:1.5rem;background:#fff;border:1px solid var(--border);border-radius:var(--radius);}
.feature__ic{width:42px;height:42px;border-radius:11px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;margin-bottom:1rem;font-size:1.2rem;}
.feature h3{font-size:1.15rem;margin:0 0 .4rem;}
.feature p{color:var(--text-soft);margin:0;font-size:.95rem;}

/* CTA */
.cta{background:var(--ink);border-radius:var(--radius);padding:clamp(2rem,5vw,3.5rem);color:#fff;text-align:center;}
.cta h2{color:#fff;}
.cta p{color:#c3cad9;max-width:48ch;margin-inline:auto;margin-bottom:1.75rem;}

/* Breadcrumb */
.crumbs{font-size:.85rem;color:var(--text-mute);margin-bottom:1.25rem;}
.crumbs a{color:var(--text-mute);}
.crumbs a:hover{color:var(--primary);}

/* Footer */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);padding-block:3rem 1.75rem;}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:2rem;}
.footer-tag{color:var(--text-soft);max-width:34ch;margin:.9rem 0 .5rem;font-size:.95rem;}
.footer-climate{font-size:.82rem;color:var(--accent);}
.footer-col h2{font-size:.78rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--text-mute);margin:0 0 .9rem;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:.55rem;}
.footer-col a{color:var(--text-soft);font-size:.92rem;}
.footer-col a:hover{color:var(--ink);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border);font-size:.85rem;color:var(--text-mute);}
.footer-bottom button{background:transparent;border:1px solid var(--border);color:var(--text-soft);padding:.35rem .8rem;border-radius:8px;cursor:pointer;font:inherit;}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}.footer-brand{grid-column:1/-1;}}

/* Cookie banner */
.cookie{position:fixed;inset:auto 0 0 0;z-index:200;background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 30px rgba(15,23,42,.1);}
.cookie__inner{display:grid;grid-template-columns:1fr auto;gap:1.25rem 2rem;align-items:center;padding-block:1.1rem;}
.cookie h2{font-size:1rem;margin:0 0 .3rem;}
.cookie p{margin:0;font-size:.92rem;color:var(--text-soft);max-width:68ch;}
.cookie__opts{margin-top:.8rem;display:grid;gap:.45rem;}
.cookie__opt{display:flex;gap:.55rem;font-size:.9rem;align-items:flex-start;}
.cookie__actions{display:flex;flex-wrap:wrap;gap:.55rem;justify-content:flex-end;}
@media(max-width:760px){.cookie__inner{grid-template-columns:1fr;}.cookie__actions .btn{flex:1;}}

/* Legal */
.legal{max-width:760px;}
.legal h1{font-size:clamp(1.8rem,4vw,2.5rem);}
.legal h2{font-size:1.25rem;margin-top:1.8rem;}
.legal__note{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:.8rem 1rem;border-radius:10px;font-size:.92rem;}

/* 404 */
.error-page{text-align:center;padding-block:clamp(4rem,12vw,8rem);}
.error-page .code{font-family:var(--font-display);font-size:clamp(4rem,15vw,8rem);color:var(--primary);line-height:1;}

/* ===== Back-office ===== */
.admin-body{background:var(--bg-soft);}
.admin-bar{background:var(--ink);color:#fff;}
.admin-bar__inner{display:flex;align-items:center;justify-content:space-between;min-height:58px;gap:1rem;}
.admin-bar a{color:#fff;}.admin-bar a:hover{text-decoration:none;opacity:.8;}
.admin-bar__brand{font-family:var(--font-display);font-weight:600;}
.admin-bar__brand span{color:var(--accent);font-family:var(--font-mono);font-size:.7rem;margin-left:.35rem;}
.admin-main{padding-block:2.25rem;}
.admin-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);}
.admin-head{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;margin-bottom:1.5rem;}
.admin-table{width:100%;border-collapse:collapse;}
.admin-table th,.admin-table td{text-align:left;padding:.8rem 1rem;border-bottom:1px solid var(--border);font-size:.93rem;vertical-align:top;}
.admin-table th{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-mute);}
.admin-table tr:last-child td{border-bottom:0;}
.admin-badge{font-family:var(--font-mono);font-size:.7rem;padding:.12rem .5rem;border-radius:5px;background:var(--primary-soft);color:var(--primary-hover);}
.admin-badge--off{background:#fee2e2;color:#b91c1c;}
.admin-actions{display:flex;gap:.4rem;flex-wrap:wrap;}
.form-grid{display:grid;gap:1.1rem;max-width:760px;}
.form-row{display:grid;gap:.35rem;}
.form-row label{font-weight:600;font-size:.92rem;}
.form-row input,.form-row select,.form-row textarea{font:inherit;padding:.62rem .8rem;border:1px solid var(--border);border-radius:10px;width:100%;background:#fff;}
.form-row textarea{min-height:90px;resize:vertical;}
.form-row .hint{font-size:.8rem;color:var(--text-mute);}
.form-2col{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;}
.form-3col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.1rem;}
.checkbox-row{display:flex;align-items:center;gap:.5rem;}
.repeat-item{background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:1rem;margin-bottom:.75rem;}
.repeat-item .ri-head{display:flex;justify-content:space-between;gap:.5rem;align-items:center;margin-bottom:.6rem;}
.alert{padding:.8rem 1rem;border-radius:10px;margin-bottom:1.25rem;font-size:.95rem;}
.alert--error{background:#fee2e2;color:#b91c1c;border:1px solid #fecaca;}
.alert--ok{background:#dcfce7;color:#166534;border:1px solid #bbf7d0;}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:1.5rem;}
.login-card{width:100%;max-width:380px;padding:2rem;}
.btn--danger{background:#dc2626;color:#fff;border-color:#dc2626;}
.btn--danger:hover{background:#b91c1c;color:#fff;}
@media(max-width:700px){.form-2col,.form-3col{grid-template-columns:1fr;}}