/* ── To Be Father · système de design du site ────────────────────────────────
   Direction « Console » : fond marine profond pour le produit, papier chaud pour la lecture.
   Une seule couleur d'action (orange), un seul accent éditorial (italique Fraunces).
   Les sections alternent sombre / clair et se recouvrent avec un angle arrondi unique. */

@font-face{font-family:'Fraunces';font-style:normal;font-weight:100 900;font-display:swap;src:url('../fonts/fraunces-soft.woff2') format('woff2')}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:100 900;font-display:swap;src:url('../fonts/fraunces-soft-italic.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 900;font-display:swap;src:url('Inter-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 900;font-display:swap;src:url('Inter-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --night:#080C33;--night2:#0D1247;--navy:#141959;--navy2:#1C2270;
  --paper:#FAF6EE;--paper2:#F3ECDF;
  --orange:#FF6A00;--orange-hi:#FF7F24;--amber:#FFB070;--otext:#B84A00;--olarge:#D45600;
  --ink:#141959;--ink2:rgba(20,25,89,.78);--ink3:rgba(20,25,89,.64);--line:rgba(20,25,89,.14);
  --on:#F5F6FF;--on2:rgba(245,246,255,.76);--on3:rgba(245,246,255,.56);--line-on:rgba(255,255,255,.12);
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --serif:'Fraunces','Iowan Old Style',Georgia,serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --pad:clamp(20px,4vw,56px);--max:1440px;--nav-h:72px;
  --r-s:10px;--r-m:14px;--r-l:22px;--r-xl:36px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--night)}
body{font:400 17px/1.6 var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:6px}
::selection{background:var(--orange);color:var(--night)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:12px;top:-60px;z-index:1000;background:var(--orange);color:var(--night);padding:10px 16px;border-radius:10px;font-weight:700;font-size:14px;transition:top .2s}
.skip-link:focus{top:12px}
.c{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--pad)}

/* ── Typographie ── */
.eyebrow{display:inline-flex;align-items:center;gap:12px;font:600 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--otext)}
.eyebrow::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(255,106,0,.2);margin-left:4px}
.eyebrow--on{color:var(--amber)}
.h2{font:700 clamp(32px,4.2vw,56px)/1.04 var(--sans);letter-spacing:-.04em;text-wrap:balance}
.h2 em,.display em{font:italic 500 1.05em/1 var(--serif);letter-spacing:-.025em;font-variation-settings:'SOFT' 100}
.lead{font-size:clamp(17px,1.4vw,19px);line-height:1.6;color:var(--ink2);max-width:46ch}
.on-dark .lead{color:var(--on2)}
.on-dark{color:var(--on)}
.on-dark .h2 em,.on-dark .display em{color:var(--amber)}
.sec--paper .h2 em,.sec--paper2 .h2 em{color:var(--olarge)}

/* ── Boutons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 22px;border-radius:12px;border:1px solid transparent;font:600 15.5px/1 var(--sans);letter-spacing:-.005em;white-space:nowrap;transition:transform .35s var(--ease),background .25s,border-color .25s,box-shadow .35s var(--ease)}
.btn svg{width:16px;height:16px;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn:active{transform:translateY(1px) scale(.985)}
.btn--primary{background:var(--orange);color:var(--night);box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 10px 26px -10px rgba(255,106,0,.65)}
.btn--primary:hover{background:var(--orange-hi);box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 16px 34px -12px rgba(255,106,0,.8)}
.btn--ghost{border-color:var(--line-on);color:var(--on);background:rgba(255,255,255,.04)}
.btn--ghost:hover{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.08)}
.btn--ink{background:var(--ink);color:#fff}
.btn--ink:hover{background:var(--navy2)}
.btn--sm{height:40px;padding:0 16px;border-radius:10px;font-size:14px}
.btn--lg{height:54px;padding:0 28px;font-size:16.5px}
.btn[disabled]{opacity:.6;cursor:progress}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15.5px;border-bottom:1px solid currentColor;padding-bottom:3px}
.link-arrow svg{width:15px;height:15px;transition:transform .35s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ── Navigation (toujours en verre sombre : lisible sur toutes les sections) ── */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);background:rgba(8,12,51,.5);-webkit-backdrop-filter:blur(16px) saturate(1.4);backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.nav.stuck{background:rgba(8,12,51,.84);border-color:var(--line-on)}
.nav-in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo{display:flex;align-items:center;flex:none}
.nav-logo img{height:28px;width:auto}
.nav-links{display:flex;gap:6px;color:var(--on2);font-size:14.5px;font-weight:500}
.nav-links a{position:relative;padding:8px 14px;border-radius:10px;transition:color .2s,background .2s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a[aria-current="page"]{color:#fff}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--orange)}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-login{color:var(--on2);font-size:14.5px;font-weight:500;padding:8px 14px;border-radius:10px;transition:color .2s}
.nav-login:hover{color:#fff}
.nav-burger{display:none;width:44px;height:44px;border:0;background:none;position:relative;border-radius:12px}
.nav-burger span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:#fff;transition:transform .35s var(--ease),opacity .2s}
.nav-burger span:nth-child(1){top:16px}.nav-burger span:nth-child(2){top:21px}.nav-burger span:nth-child(3){top:26px}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-drawer{position:fixed;inset:var(--nav-h) 0 0 0;z-index:99;background:var(--night);padding:28px var(--pad) 40px;display:flex;flex-direction:column;gap:4px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s,transform .4s var(--ease),visibility 0s .3s}
.nav-drawer.open{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.nav-drawer a{font:600 28px/1.2 var(--sans);letter-spacing:-.03em;color:var(--on);padding:14px 0;border-bottom:1px solid var(--line-on)}
.nav-drawer a.btn{margin-top:22px;border:0;font-size:17px;justify-content:center;color:var(--night);padding:0 22px;letter-spacing:0}
@media(max-width:900px){.nav-links,.nav-login,.nav-right .btn{display:none}.nav-burger{display:block}}

/* ── Sections ── */
.sec{position:relative;padding-block:clamp(84px,10vw,148px)}
.sec--paper{background:var(--paper);color:var(--ink)}
.sec--paper2{background:var(--paper2);color:var(--ink)}
.sec--night{background:var(--night);color:var(--on)}
.sheet{border-radius:var(--r-xl) var(--r-xl) 0 0;margin-top:calc(var(--r-xl)*-1);padding-top:calc(clamp(84px,10vw,148px) + var(--r-xl)*.25)}
.sec-head{display:grid;gap:22px;margin-bottom:clamp(40px,5vw,72px);max-width:760px}

/* ── Formulaires ── */
.signup-row{display:flex;gap:6px;padding:6px;border-radius:16px;border:1px solid var(--line-on);background:rgba(255,255,255,.06);transition:border-color .25s,box-shadow .25s,background .25s}
.signup-row:focus-within{border-color:rgba(255,106,0,.7);box-shadow:0 0 0 4px rgba(255,106,0,.16);background:rgba(255,255,255,.09)}
.signup-row input{flex:1;min-width:0;height:48px;border:0;background:none;outline:0;padding:0 14px;font-size:16px;color:#fff}
.signup-row input::placeholder{color:var(--on3)}
.signup-row.inp-error,.inp-error{border-color:#FF6B88!important}
.consent{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:12.5px;line-height:1.5;color:var(--on3);cursor:pointer}
.consent input{appearance:none;-webkit-appearance:none;flex:none;width:18px;height:18px;margin-top:1px;border-radius:5px;border:1.5px solid rgba(255,255,255,.34);background:transparent;display:grid;place-content:center;transition:background .2s,border-color .2s;cursor:pointer}
.consent input::after{content:"";width:9px;height:5px;border-left:2px solid var(--night);border-bottom:2px solid var(--night);transform:rotate(-45deg) scale(0);transform-origin:center;margin-top:-2px;transition:transform .2s var(--ease)}
.consent input:checked{background:var(--orange);border-color:var(--orange)}
.consent input:checked::after{transform:rotate(-45deg) scale(1)}
.consent a{text-decoration:underline;text-underline-offset:2px;color:var(--on2)}
.consent-msg{display:none;margin-top:10px;font-size:13px;color:#FFB4C2}
.tbf-consent--err .consent-msg,.consent--err+.consent-msg{display:block}
.consent--err input{border-color:#FF6B88}
.paper-form .consent{color:var(--ink3)}
.paper-form .consent a{color:var(--ink2)}
.paper-form .consent input{border-color:rgba(20,25,89,.4)}
.paper-form .consent input::after{border-color:var(--night)}
.paper-form .consent-msg{color:#B3123A}

/* ── Pied de page ── */
.foot{background:var(--night);color:var(--on);padding:0 0 36px;position:relative}
.foot-b2b{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:26px 30px;margin-bottom:clamp(48px,6vw,80px);border:1px solid var(--line-on);border-radius:var(--r-l);background:linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.02))}
.foot-b2b p{font:600 clamp(18px,2vw,22px)/1.3 var(--sans);letter-spacing:-.025em;max-width:30ch}
.foot-grid{display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,1fr));gap:40px;padding-bottom:48px}
.foot-brand img{height:30px;width:auto;margin-bottom:20px}
.foot-brand p{font-size:15px;color:var(--on2);max-width:34ch}
.foot-brand .founders{margin-top:20px;font-size:13.5px;color:var(--on3);line-height:1.7}
.foot-brand .founders strong{color:var(--on2);font-weight:600}
.foot-brand a.mail{display:inline-block;margin-top:10px;color:var(--on);font-weight:600;font-size:14px}
.foot-title{font:600 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--on3);margin-bottom:18px}
.foot li+li{margin-top:10px}
.foot li a{font-size:15px;color:var(--on2);transition:color .2s}
.foot li a:hover{color:#fff}
.foot-bot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line-on);font-size:13px;color:var(--on3)}
.foot-soc{display:flex;gap:8px}
.foot-soc a{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line-on);color:var(--on2);transition:color .2s,background .2s,border-color .2s}
.foot-soc a:hover{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3)}
.foot-soc svg{width:16px;height:16px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}

.sheet-foot{border-radius:var(--r-xl) var(--r-xl) 0 0;margin-top:calc(var(--r-xl)*-1)}

/* ── Toast ── */
.toast{position:fixed;left:50%;bottom:24px;z-index:200;transform:translate(-50%,24px);opacity:0;pointer-events:none;display:flex;gap:12px;align-items:center;max-width:min(92vw,440px);padding:14px 18px;border-radius:14px;background:#fff;color:var(--ink);box-shadow:0 20px 50px -16px rgba(8,12,51,.5);font-size:14.5px;line-height:1.4;transition:transform .45s var(--ease),opacity .3s}
.toast.show{transform:translate(-50%,0);opacity:1}
.toast strong{display:block;font-weight:700}
.toast i{flex:none;width:28px;height:28px;border-radius:50%;background:var(--orange);display:grid;place-items:center}
.toast i svg{width:14px;height:14px;color:var(--night)}

/* ── Apparition au défilement (le contenu reste visible sans JS) ── */
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .rv{opacity:1;transform:none;transition:none}*{animation-duration:.001ms!important;animation-iteration-count:1!important}}