/* Layout : bandeau marine plein écart en tête de page, sections claires en colonne de lecture, grille de tarifs, bande contact marine. */
:root{
  --navy:#0B1F3A; --navy-2:#132B4D; --navy-3:#1D3A63; --gold:#C9A646; --gold-2:#E2C878; --gold-ink:#8A6D1E;
  --bg:#F7F6F2; --surface:#FFFFFF; --fg:#16202E; --muted:#5A6577; --line:#E3E0D6; --maquis:#4F6B4A;
  --on-navy:#F3EFE3; --on-navy-muted:#B9C2D3;
  --f-display:"Young Serif", Georgia, "Times New Roman", serif;
  --f-body:"Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0A1424; --surface:#111E33; --fg:#ECE8DD; --muted:#A3AEC0; --line:#24344F; --gold-ink:#D9BC66; --maquis:#8FB287;
  --navy:#07111F; --navy-2:#0F1D33; --navy-3:#18304F; color-scheme:dark }}
:root[data-theme="dark"]{
  --bg:#0A1424; --surface:#111E33; --fg:#ECE8DD; --muted:#A3AEC0; --line:#24344F; --gold-ink:#D9BC66; --maquis:#8FB287;
  --navy:#07111F; --navy-2:#0F1D33; --navy-3:#18304F; color-scheme:dark }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16.5px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--navy)}
img{max-width:100%}
[hidden]{display:none!important}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);font-weight:400;line-height:1.15;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit}
.eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-ink)}
.on-navy .eyebrow{color:var(--gold)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font:600 .95rem var(--f-body);text-decoration:none;border-radius:999px;padding:13px 22px;transition:transform .15s,background .15s,box-shadow .15s}
.btn-gold{background:var(--gold);color:#0B1F3A}
.btn-gold:hover{background:var(--gold-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--on-navy);box-shadow:inset 0 0 0 1px rgba(243,239,227,.35)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px var(--gold);color:var(--gold-2)}
.btn-wa{background:#1F8A4C;color:#fff}
.btn-wa:hover{background:#23A058;transform:translateY(-1px)}
.btn-navy{background:var(--navy);color:var(--on-navy)}
.btn-navy:hover{background:var(--navy-3)}

/* Nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:var(--navy);color:var(--on-navy);border-bottom:1px solid rgba(201,166,70,.25)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand b{font-family:var(--f-display);font-weight:400;font-size:1.25rem}
.nav-links{display:flex;gap:20px;font-size:.93rem}
.nav-links a{text-decoration:none;color:var(--on-navy-muted);padding-block:4px;border-bottom:2px solid transparent}
.nav-links a:hover{color:var(--gold-2)}
.nav-links a[aria-current="page"]{color:var(--on-navy);border-bottom-color:var(--gold)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-tel{font-weight:600;font-size:.95rem;color:var(--gold-2);text-decoration:none;white-space:nowrap}
.menu-btn{display:none;background:transparent;border:1px solid rgba(243,239,227,.3);color:var(--on-navy);border-radius:10px;padding:8px 12px;font:600 .9rem var(--f-body);cursor:pointer}
.mobile-nav{display:none}
@media (max-width:980px){
  .nav-links,.nav-right .btn{display:none}
  .menu-btn{display:inline-block}
  .mobile-nav:not([hidden]){display:grid;gap:2px;padding-block:0 14px}
  .mobile-nav a{display:block;padding:12px 4px;text-decoration:none;color:var(--on-navy);border-top:1px solid rgba(185,194,211,.15);font-size:1.05rem}
  .mobile-nav a[aria-current="page"]{color:var(--gold-2)}
}

/* En-tête de page */
.page-hero{background:var(--navy);color:var(--on-navy);overflow:hidden;position:relative}
.page-hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;padding-block:60px 56px;position:relative;z-index:1}
.page-hero h1{font-size:clamp(2.1rem,4.8vw,3.4rem);margin-top:12px}
.page-hero h1 em{font-style:normal;color:var(--gold)}
.page-hero .lead{margin-top:18px;font-size:1.1rem;color:var(--on-navy-muted);max-width:52ch}
.page-hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-icon{justify-self:end;width:min(260px,100%);aspect-ratio:1;border-radius:50%;border:1px solid rgba(201,166,70,.35);display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,var(--navy-3),var(--navy-2) 70%)}
.hero-icon svg{width:46%;height:auto}
.relief{position:absolute;inset:auto 0 0 0;height:80px;width:100%;opacity:.14;pointer-events:none}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:.92rem;color:var(--on-navy-muted)}
.trust span{display:flex;align-items:center;gap:8px}
@media (max-width:820px){.page-hero .wrap{grid-template-columns:1fr;padding-block:44px 40px}.hero-icon{display:none}}

/* Accueil */
.home-hero .wrap{grid-template-columns:1.05fr 1fr}
.hero-art{width:100%;max-width:100%;border-radius:20px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.6);aspect-ratio:5/4}
.hero-art svg{display:block;width:100%;height:100%}
@media (max-width:820px){.home-hero .wrap{grid-template-columns:1fr}}

section.block{padding-block:76px}
.section-head{display:grid;gap:12px;max-width:62ch;margin-bottom:36px}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.section-head p{color:var(--muted)}
.band{background:var(--surface);border-block:1px solid var(--line)}

/* Cartes d'univers */
.univers{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.uni{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;display:grid;grid-template-columns:56px 1fr;gap:6px 18px;align-content:start;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s}
.uni:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 18px 40px -24px rgba(11,31,58,.45)}
.uni .ic{grid-row:span 4;width:56px;height:56px;border-radius:14px;background:var(--navy);display:grid;place-items:center}
.uni .who{font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--maquis)}
.uni h3{font-size:1.4rem}
.uni p{color:var(--muted);font-size:.96rem}
.uni .from{font-weight:600;color:var(--gold-ink);font-size:.95rem;margin-top:6px}
@media (max-width:760px){.univers{grid-template-columns:1fr}}

/* Listes et étapes */
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.two > *{min-width:0}
@media (max-width:860px){.two{grid-template-columns:1fr;gap:32px}}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.checks li{display:grid;grid-template-columns:22px 1fr;gap:10px}
.checks li::before{content:"";width:18px;height:18px;margin-top:4px;background:no-repeat center/18px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M3 9.5 L7 13 L15 5' fill='none' stroke='%23C9A646' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.checks b{font-weight:600}
.steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.steps li{display:grid;grid-template-columns:44px 1fr;gap:14px;padding-block:18px;border-bottom:1px solid var(--line)}
.steps .n{font-family:var(--f-display);font-size:1.5rem;color:var(--gold-ink);line-height:1}
.steps b{display:block;font-weight:600}
.steps p{color:var(--muted);font-size:.95rem}
.groups{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.group{border-top:3px solid var(--navy);padding-top:20px;display:grid;gap:12px;align-content:start;min-width:0}
:root[data-theme="dark"] .group{border-top-color:var(--gold)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .group{border-top-color:var(--gold)}}
.group h3{font-size:1.4rem}
.group p{color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:.86rem;padding:5px 12px;border-radius:999px;background:var(--bg);border:1px solid var(--line);text-decoration:none;color:var(--fg)}
a.tag{display:inline-flex;align-items:center;gap:6px;transition:border-color .15s,background .15s}
a.tag::after{content:"→";color:var(--gold-ink);font-size:.85em}
a.tag:hover{border-color:var(--gold);background:var(--surface)}
.price{scroll-margin-top:90px}
.price.flash{animation:flash 1.6s ease}
@keyframes flash{0%,40%{box-shadow:0 0 0 3px var(--gold)}100%{box-shadow:0 0 0 0 transparent}}
@media (max-width:760px){.groups{grid-template-columns:1fr}}
.callout{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:20px 22px;display:grid;gap:6px}
.callout b{font-weight:600}
.callout p{color:var(--muted)}

/* Avant / après */
.photo-proof{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.photo-proof figure{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.photo-proof svg{display:block;width:100%;height:auto}
.photo-proof figcaption{font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:8px 12px;color:var(--muted)}

/* Parcours */
.cv{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cv div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;display:grid;gap:6px}
.cv b{font-family:var(--f-display);font-weight:400;font-size:1.15rem}
.cv p{color:var(--muted);font-size:.94rem}
@media (max-width:760px){.cv{grid-template-columns:1fr}}

/* Tarifs */
.prices{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.price{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;display:grid;gap:10px;grid-template-rows:auto auto 1fr auto;position:relative}
.price.hl{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}
.price .tagline{position:absolute;top:-11px;left:18px;background:var(--gold);color:#0B1F3A;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:3px 10px;border-radius:999px}
.price h3{font-family:var(--f-body);font-weight:600;font-size:1.05rem;line-height:1.3}
.price .amt{font-family:var(--f-display);font-size:2rem;line-height:1}
.price .amt small{font-family:var(--f-body);font-size:.85rem;color:var(--muted);margin-left:4px}
.price .amt .pre{font-family:var(--f-body);font-size:.78rem;color:var(--muted);display:block;margin-bottom:4px}
.price p{color:var(--muted);font-size:.92rem}
.price a{justify-self:start;color:var(--gold-ink);font-weight:600;font-size:.9rem;text-underline-offset:3px}
.price{grid-template-rows:auto auto auto 1fr auto}
.det{border-top:1px solid var(--line);padding-top:10px;align-self:start}
.det summary{cursor:pointer;font-weight:600;font-size:.9rem;color:var(--fg);list-style:none;display:flex;justify-content:space-between;gap:10px}
.det summary::after{content:"+";color:var(--gold-ink);font-size:1.2rem;line-height:1}
.det[open] summary::after{content:"–"}
.det-body{display:grid;gap:6px;margin-top:10px}
.det-h{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.det-in,.det-out{margin:0;padding:0;list-style:none;display:grid;gap:5px;font-size:.9rem}
.det-in li,.det-out li{display:grid;grid-template-columns:16px 1fr;gap:8px;line-height:1.45}
.det-in li::before{content:"✓";color:var(--gold-ink);font-weight:700}
.det-out li::before{content:"–";color:var(--muted)}
.det-out li{color:var(--muted)}
.det-meta{display:grid;gap:4px;font-size:.86rem;color:var(--muted);margin-top:6px;padding-top:8px;border-top:1px dashed var(--line)}
.det-meta b{color:var(--fg);font-weight:600;margin-right:4px}
#d-detail{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.det-title{font-weight:600}
.fine{margin-top:20px;font-size:.86rem;color:var(--muted)}

/* FAQ */
.faq{display:grid;gap:10px;max-width:780px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--gold-ink);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin-top:10px}

/* Devis */
.devis{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;display:grid;gap:16px;min-width:0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:grid;gap:6px;font-size:.86rem;font-weight:600}
input,select,textarea{font:400 1rem var(--f-body);color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%}
textarea{min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,166,70,.25)}
.opts{display:grid;gap:8px}
.opt{display:flex;align-items:center;gap:10px;font-weight:500;font-size:.95rem}
.opt input{width:18px;height:18px;accent-color:var(--gold)}
.hint{font-size:.82rem;color:var(--muted);font-weight:400}
.ticket{background:var(--navy);color:var(--on-navy);border-radius:18px;padding:26px;display:grid;gap:16px;position:sticky;top:calc(env(safe-area-inset-top,0px) + 80px)}
.ticket .ref{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.ticket h3{font-size:1.3rem}
.lines{display:grid;gap:8px;border-block:1px dashed rgba(185,194,211,.35);padding-block:14px}
.lines div{display:flex;justify-content:space-between;gap:12px;font-size:.95rem}
.lines div span:last-child{white-space:nowrap}
.total{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.total b{font-family:var(--f-display);font-weight:400;font-size:2.3rem;color:var(--gold-2)}
.ticket .small{font-size:.8rem;color:var(--on-navy-muted)}
.ticket .acts{display:grid;gap:10px}
.ticket .btn{width:100%}
.ticket .copy{background:transparent;color:var(--on-navy);box-shadow:inset 0 0 0 1px rgba(243,239,227,.35)}
@media (max-width:900px){.devis{grid-template-columns:1fr}.ticket{position:static}}
@media (max-width:520px){.row2{grid-template-columns:1fr}}

/* Pourquoi */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.why b{display:block;font-family:var(--f-display);font-weight:400;font-size:1.15rem;margin:12px 0 6px}
.why p{color:var(--muted);font-size:.95rem}
@media (max-width:860px){.why{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.why{grid-template-columns:1fr}}

/* Contact */
.contact{background:var(--navy);color:var(--on-navy)}
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding-block:68px;align-items:center}
.contact h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-top:12px}
.contact p{color:var(--on-navy-muted);margin-top:14px;max-width:46ch}
.cards{display:grid;gap:12px}
.ccard{display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--navy-2);border:1px solid rgba(201,166,70,.25);border-radius:14px;padding:16px 18px;min-width:0}
.ccard > div{min-width:0}
.ccard small{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.ccard span{font-size:1.08rem;user-select:all;overflow-wrap:anywhere}
.ccard button{flex:none;background:transparent;border:1px solid rgba(243,239,227,.3);color:var(--on-navy);border-radius:999px;padding:7px 14px;font:600 .82rem var(--f-body);cursor:pointer}
.ccard button:hover{border-color:var(--gold);color:var(--gold-2)}
@media (max-width:860px){.contact .wrap{grid-template-columns:1fr}}

footer{background:var(--navy-2);color:var(--on-navy-muted);font-size:.86rem}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:24px}
footer nav{display:flex;flex-wrap:wrap;gap:16px}
footer a{text-decoration:none}
footer a:hover{color:var(--gold-2)}
footer b{color:var(--on-navy);font-weight:600}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--gold);color:#0B1F3A;font-weight:600;padding:10px 18px;border-radius:999px;z-index:20}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}