/* Alma Keystone — feuille de style du site */

:root{
  --ground:#F1F3F3;
  --surface:#E6EAEA;
  --ink:#141C24;
  --ink-2:#4B5862;
  --line:#C9D1D3;
  --accent:#80642B;
  --accent-light:#C9A961;
  --dark:#141C24;
  --dark-2:#1C2630;
  --dark-line:#2E3A46;
  --on-dark:#EEF1F1;
  --on-dark-muted:#AAB6BB;
  --field-line:#6F7D86;
  --error:#E8B4A8;
  --serif:"Newsreader","Iowan Old Style","Palatino Linotype","Times New Roman",serif;
  --sans:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
img,svg{max-width:100%}
[hidden]{display:none !important}

.wrap{max-width:1200px;margin:0 auto;padding-left:clamp(20px,5vw,64px);padding-right:clamp(20px,5vw,64px)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--ground);padding:8px 12px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.dark :focus-visible{outline-color:var(--accent-light)}

/* En-tête */
.site-header{border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 32px;min-height:88px}
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px}
.brand svg{display:block;flex:none}
.brand-name{font-family:var(--serif);font-size:23px;font-weight:500;letter-spacing:.01em;line-height:1}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:4px 28px}
.navlink{display:inline-flex;align-items:center;min-height:44px;padding:0 2px;font-size:15px;font-weight:500}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:2px;border:1px solid transparent;font:600 15px/1.2 var(--sans);letter-spacing:.02em;cursor:pointer;text-align:center;transition:color .15s ease,background-color .15s ease,border-color .15s ease}
.btn-ink{background:var(--ink);color:var(--ground)}
.btn-ink:hover{background:var(--accent);color:var(--ground)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{color:var(--accent);border-color:var(--accent)}
.btn-light{background:var(--ground);color:var(--ink)}
.btn-light:hover{background:var(--accent-light);color:var(--ink)}
.btn-small{min-height:44px;padding:0 20px}
.btn[disabled]{opacity:.6;cursor:default}

/* Typographie */
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.dark .eyebrow{color:var(--accent-light)}
.h1{font-family:var(--serif);font-size:72px;line-height:1.04;font-weight:400;letter-spacing:-.012em;text-wrap:balance}
.h1 em{font-style:italic;color:var(--accent)}
.h2{font-family:var(--serif);font-size:44px;line-height:1.12;font-weight:400;letter-spacing:-.01em;text-wrap:balance}
.h2-lg{font-size:52px;line-height:1.08;letter-spacing:-.012em}
.h3{font-family:var(--serif);font-weight:400;line-height:1.15}
.lead{font-size:21px;line-height:1.5;color:var(--ink-2);max-width:56ch}
.muted{color:var(--ink-2)}
.dark .muted{color:var(--on-dark-muted)}
.measure{max-width:60ch}
.label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.dark .label{color:var(--on-dark-muted)}

/* Sections */
.section{padding:112px 0}
.section-head{display:flex;flex-direction:column;gap:16px;max-width:760px}
.stack{display:flex;flex-direction:column}
.gap-56{gap:56px}
.gap-48{gap:48px}
.dark{background:var(--dark);color:var(--on-dark)}
.dark a:hover{color:var(--accent-light)}
.surface{background:var(--surface)}
.bordered{border-top:1px solid var(--line)}
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px 80px;align-items:start}

/* Accueil */
.hero{padding:96px 0 88px}
.hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:48px 64px}
.hero-text{flex:1 1 560px;min-width:0;display:flex;flex-direction:column;gap:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px 16px;padding-top:8px}
.hero-mark{flex:0 1 400px;min-width:0;display:flex;justify-content:center}
.hero-mark svg{display:block;width:100%;max-width:400px;height:auto}

/* Bandeau de repères */
.facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.facts .wrap{display:flex;flex-wrap:wrap;gap:0 40px}
.fact{flex:1 1 200px;min-width:0;padding:24px 0;display:flex;flex-direction:column;gap:4px}
.fact-value{font-family:var(--serif);font-size:28px;line-height:1.1}
.fact-label{font-size:14px;color:var(--ink-2);line-height:1.4}

/* Listes à repère */
.checklist{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.checklist li{padding:24px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:28px minmax(0,1fr);gap:16px}
.marker{display:block;width:10px;height:10px;margin-top:10px;background:var(--accent)}
.item-body{display:flex;flex-direction:column;gap:4px}
.item-title{font-family:var(--serif);font-size:24px;font-weight:500;line-height:1.2}
.item-body p{font-size:16px;color:var(--ink-2)}

/* Domaines */
.domains{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.domains li{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 64px;padding:32px 0;border-bottom:1px solid var(--line)}
.domains .h3{font-size:30px}
.domains p{color:var(--ink-2);max-width:56ch}

/* Formats */
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:stretch}
.card{display:flex;flex-direction:column;gap:24px;padding:40px;background:var(--dark-2);border:1px solid var(--dark-line);border-radius:2px;min-width:0}
.card-head{display:flex;flex-direction:column;gap:8px}
.card .h3{font-size:34px;line-height:1.1}
.card-list{display:flex;flex-direction:column;gap:12px;padding-top:24px;border-top:1px solid var(--dark-line)}
.card-list li{display:grid;grid-template-columns:20px minmax(0,1fr);gap:12px;font-size:16px;line-height:1.5}
.dash{display:block;width:12px;height:1px;margin-top:12px;background:var(--accent-light)}
.meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding-top:24px;border-top:1px solid var(--dark-line);margin-top:auto}
.meta div{display:flex;flex-direction:column;gap:4px}
.meta-value{font-family:var(--serif);font-size:20px;line-height:1.2}
.note{font-size:15px;color:var(--on-dark-muted);max-width:72ch}
.secondary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 48px;padding-top:48px;border-top:1px solid var(--dark-line)}
.secondary > div{display:flex;flex-direction:column;gap:12px;min-width:0}
.secondary .h3{font-size:26px}
.secondary p{font-size:16px;max-width:56ch}
.price-note{font-size:14px;color:var(--accent-light);letter-spacing:.04em}

/* Déroulement */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px 32px}
.steps li{display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:1px solid var(--ink);min-width:0}
.steps .h3{font-size:26px}
.steps p{font-size:16px;color:var(--ink-2)}
.callout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 64px;padding:40px;background:var(--surface);border-radius:2px}
.callout-title{font-family:var(--serif);font-size:30px;line-height:1.25;text-wrap:balance}
.callout p:last-child{font-size:16px;color:var(--ink-2)}

/* Fondateur */
.founder-text{display:flex;flex-direction:column;gap:24px;min-width:0}
.founder-text p{color:var(--ink-2)}
.founder-text .intro{font-size:18px;color:var(--ink)}
.facts-list{display:flex;flex-direction:column;border-top:1px solid var(--ink);min-width:0;margin-top:8px}
.facts-list div{display:flex;flex-direction:column;gap:6px;padding:22px 0;border-bottom:1px solid var(--line)}
.facts-list dd{font-family:var(--serif);font-size:24px;line-height:1.2}

/* Engagements */
.commitments{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 64px}
.commitments li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:16px}
.commitments .item-body{gap:6px}
.commitments p{max-width:48ch}

/* Contact */
.contact{padding:112px 0 48px}
.contact-text{display:flex;flex-direction:column;gap:20px;min-width:0}
.contact-text p{color:var(--on-dark-muted);max-width:56ch}
.form{display:flex;flex-direction:column;gap:24px;padding-top:12px;min-width:0}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.field-group{display:flex;flex-direction:column;gap:8px;min-width:0}
.field{width:100%;min-height:48px;padding:12px 14px;background:var(--dark-2);border:1px solid var(--field-line);border-radius:2px;color:var(--on-dark);font:16px/1.4 var(--sans)}
textarea.field{min-height:140px;line-height:1.5;resize:vertical}
.field:focus{border-color:var(--accent-light);outline:none}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.form-hint{font-size:14px;color:var(--on-dark-muted)}
.form-error{font-size:15px;color:var(--error)}
.form-done{display:flex;flex-direction:column;gap:12px;padding:32px;background:var(--dark-2);border:1px solid var(--dark-line);border-radius:2px}
.form-done .h3{font-size:28px;line-height:1.2}
.form-done p{color:var(--on-dark-muted);font-size:16px}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.address{font-size:15px;color:var(--on-dark-muted)}

/* Pied de page */
.site-footer{margin-top:96px;padding-top:32px;border-top:1px solid var(--dark-line);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 32px;font-size:14px;color:var(--on-dark-muted)}
.site-footer .brand-line{display:flex;align-items:center;gap:12px;min-width:0}
.site-footer svg{display:block;flex:none}
.site-footer .links{display:flex;flex-wrap:wrap;gap:8px 24px}
.site-footer a:hover{color:var(--accent-light)}

/* Page secondaire (mentions légales) */
.page{padding:80px 0 112px}
.page .wrap{max-width:820px}
.page .h2{margin-bottom:40px}
.page h3{font-family:var(--serif);font-size:26px;font-weight:400;line-height:1.2;margin:40px 0 12px}
.page p{color:var(--ink-2);margin-bottom:12px}
.page .intro{color:var(--ink);font-size:18px}
.page .back{display:inline-flex;align-items:center;min-height:44px;font-weight:500;margin-top:24px}
.page-footer{border-top:1px solid var(--line);padding:32px 0;font-size:14px;color:var(--ink-2)}
.page-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px}

/* Écrans réduits */
@media (max-width:980px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .h1{font-size:52px}
  .h2{font-size:36px}
}
@media (max-width:640px){
  .section,.hero,.contact{padding-top:64px;padding-bottom:64px}
  .split,.cards,.secondary,.steps,.callout,.commitments,.domains li,.form-row{grid-template-columns:repeat(1,minmax(0,1fr))}
  .h1{font-size:40px}
  .h2{font-size:30px}
  .lead{font-size:18px}
  .card,.callout{padding:28px}
  .site-footer{margin-top:64px}
}