:root {
      --bg:#0E0A16; --glass:rgba(255,255,255,.045); --border:#261C38;
      --accent:#8b5cf6; --accent2:#a855f7; --hot:#e879f9; --blue:#60a5fa;
      --danger:#f43f5e; --text:#f4f0ff; --muted:#8D83A3; --radius:18px;
    }
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;min-height:100vh;overflow-x:hidden;}
::-webkit-scrollbar{width:5px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:rgba(139,92,246,.4);border-radius:3px;}

header,.hero,.container,#toasts,.overlay{position:relative;z-index:1;}
/* Header */
    header{background:rgba(14,10,22,.92);border-bottom:1px solid var(--border);padding:0 48px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;}
/* Hero */
    .hero{text-align:center;padding:90px 24px 70px;}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.28);border-radius:24px;padding:7px 18px;font-size:.72rem;color:#c4b5fd;letter-spacing:.08em;text-transform:uppercase;font-weight:700;margin-bottom:28px;}
.hero-badge-dot{width:7px;height:7px;border-radius:50%;background:#a855f7;box-shadow:0 0 12px #a855f7;animation:blink 2s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(2.2rem,5.5vw,3.8rem);font-weight:900;line-height:1.1;letter-spacing:-.04em;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--accent-bright);}
.hero-sub{color:var(--muted);font-size:1rem;max-width:500px;margin:0 auto 48px;line-height:1.8;}
.hero-stats{display:inline-flex;align-items:center;background:var(--glass);border:1px solid var(--border);border-radius:16px;padding:18px 36px;gap:36px;flex-wrap:wrap;justify-content:center;}
.hero-stat{text-align:center;}
.hero-stat .n{font-size:1.55rem;font-weight:800;line-height:1;color:var(--text);}
.hero-stat .l{font-size:.72rem;color:var(--muted);margin-top:5px;}
.hero-stat-sep{width:1px;height:36px;background:var(--border);}
/* Layout */
    .container{max-width:1080px;margin:0 auto;padding:0 24px 80px;}
.buy-layout{display:grid;grid-template-columns:1fr 330px;gap:22px;align-items:start;}
@media(max-width:900px){.buy-layout{grid-template-columns:1fr;}}
/* Step card */
    .step-card{background:var(--glass);border:1px solid var(--border);-webkit-border-radius:var(--radius);padding:28px;margin-bottom:16px;transition:border-color .25s;}
.step-card:focus-within{border-color:rgba(139,92,246,.4);}
.step-hd{display:flex;align-items:center;gap:16px;margin-bottom:24px;}
.step-num{width:36px;height:36px;border-radius:11px;flex-shrink:0;background:var(--surface-2);border:1px solid rgba(139,92,246,.4);color:#ddd6fe;font-size:.82rem;font-weight:800;display:flex;align-items:center;justify-content:center;}
.step-title{font-size:1rem;font-weight:700;}
.step-sub{font-size:.78rem;color:var(--muted);margin-top:3px;}
/* Country */
    .country-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media(max-width:480px){.country-grid{grid-template-columns:1fr;}}
.cc{border:1.5px solid var(--border);border-radius:14px;padding:18px 20px;cursor:pointer;transition:all .22s;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.02);user-select:none;}
.cc:hover{border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.07);}
.cc.sel{border-color:var(--accent);background:rgba(139,92,246,.12);box-shadow:0 0 0 1px rgba(139,92,246,.2),0 4px 24px rgba(139,92,246,.12);}
.cc-left{display:flex;align-items:center;gap:14px;}
.cc-flag{width:40px;height:56px;border-radius:12px;background:var(--surface-2);border:1px solid rgba(139,92,246,.3);display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800;color:#c4b5fd;}
.cc-name{font-weight:700;font-size:.95rem;}
.cc-stock{font-size:.72rem;color:var(--muted);margin-top:3px;}
.cc-radio{width:20px;height:20px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;}
.cc.sel .cc-radio{background:var(--accent);border-color:var(--accent);box-shadow:0 0 14px rgba(139,92,246,.6);}
.cc.sel .cc-radio::after{content:'';width:7px;height:7px;border-radius:50%;background:#fff;}
/* Qty */
    .qty-row{display:flex;align-items:center;background:rgba(255,255,255,.04);border:1.5px solid var(--border);border-radius:14px;overflow:hidden;width:fit-content;transition:border-color .2s,box-shadow .2s;}
.qty-row:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(139,92,246,.2);}
.qty-btn{width:52px;height:52px;background:none;border:none;color:var(--muted);font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s;}
.qty-btn:hover{background:rgba(139,92,246,.15);color:#c4b5fd;}
#qty-input{width:86px;border:none;border-left:1px solid var(--border);border-right:1px solid var(--border);border-radius:0;text-align:center;background:transparent;font-weight:800;font-size:1.2rem;color:var(--text);padding:0;height:52px;outline:none;}
.qty-presets{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px;}
.preset-btn{background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--muted);border-radius:9px;padding:6px 15px;font-size:.78rem;font-weight:600;cursor:pointer;transition:all .15s;}
.preset-btn:hover{border-color:rgba(139,92,246,.5);color:#c4b5fd;background:rgba(139,92,246,.1);}
/* Payment */
    .pay-methods{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px;}
.pay-method{border:1.5px solid var(--border);border-radius:14px;padding:20px 16px;cursor:pointer;transition:all .22s;text-align:center;position:relative;overflow:hidden;background:rgba(255,255,255,.02);}
.pay-method:hover{border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.07);}
.pay-method.active{border-color:var(--accent);background:rgba(139,92,246,.12);box-shadow:0 0 0 1px rgba(139,92,246,.2),0 4px 20px rgba(139,92,246,.12);}
.pay-method.active::after{content:'✓';position:absolute;top:9px;right:11px;font-size:.72rem;color:#a78bfa;font-weight:800;}
.pm-icon{font-size:2rem;margin-bottom:8px;display:block;}
.pm-label{font-size:.9rem;font-weight:700;}
.pm-sub{font-size:.7rem;color:var(--muted);margin-top:4px;}
.stripe-field{background:rgba(255,255,255,.05);border:1.5px solid var(--border);border-radius:11px;padding:14px 16px;transition:border-color .2s,box-shadow .2s;}
.stripe-field.StripeElement--focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(139,92,246,.2);}
.stripe-field.StripeElement--invalid{border-color:var(--danger);}
.field-label{font-size:.76rem;color:var(--muted);font-weight:500;margin-bottom:8px;}
.stripe-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;}
#card-errors{color:var(--danger);font-size:.79rem;margin-top:8px;min-height:18px;}
.crypto-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;}
@media(max-width:500px){.crypto-grid{grid-template-columns:repeat(3,1fr);}}
.crypto-opt{border:1.5px solid var(--border);border-radius:11px;padding:12px 6px;cursor:pointer;text-align:center;transition:all .18s;background:rgba(255,255,255,.02);}
.crypto-opt:hover{border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.08);}
.crypto-opt.selected{border-color:var(--accent);background:rgba(139,92,246,.15);box-shadow:0 0 12px rgba(139,92,246,.2);}
.c-icon{font-size:1.3rem;margin-bottom:4px;}
.c-name{font-size:.76rem;font-weight:700;}
.c-full{font-size:.63rem;color:var(--muted);}
.crypto-note{margin-top:12px;font-size:.77rem;color:var(--muted);background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:11px;padding:12px 15px;line-height:1.65;}
/* Summary */
    .summary-card{background:var(--glass);border:1px solid var(--border);-webkit-border-radius:var(--radius);overflow:hidden;position:sticky;top:80px;}
.sum-top{padding:24px 26px 22px;background:var(--surface-2);border-bottom:1px solid var(--border);}
.sum-top-label{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:16px;}
.sum-rows{display:flex;flex-direction:column;gap:12px;}
.sum-row{display:flex;justify-content:space-between;align-items:center;font-size:.86rem;}
.sum-row .k{color:var(--muted);}
.sum-row .v{font-weight:600;}
.sum-row .v.hi{color:#c4b5fd;}
.sum-mid{padding:18px 26px;border-bottom:1px solid var(--border);}
.sum-total-row{display:flex;justify-content:space-between;align-items:flex-end;}
.sum-total-left .tl{font-size:.82rem;font-weight:700;}
.sum-total-left .ts{font-size:.7rem;color:var(--muted);margin-top:3px;}
.sum-total-amount{font-size:2.5rem;font-weight:900;line-height:1;color:var(--text);filter:drop-shadow(0 0 24px rgba(168,85,247,.4));}
.sum-bot{padding:20px 26px;}
.cta-btn{width:100%;background:var(--accent);border:none;border-radius:12px;color:#fff;font-size:.95rem;font-weight:700;padding:15px;cursor:pointer;transition:all .25s;box-shadow:0 4px 28px rgba(139,92,246,.45);letter-spacing:.01em;}
.cta-btn:hover{box-shadow:0 8px 44px rgba(139,92,246,.65),0 0 60px rgba(168,85,247,.2);transform:translateY(-2px);opacity:.95;}
.cta-btn:active{transform:scale(.98);}
.cta-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.secure-note{display:flex;align-items:center;justify-content:center;gap:6px;font-size:.71rem;color:var(--muted);margin-top:11px;}
.sum-perks{padding:16px 22px 22px;border-top:1px solid var(--border);display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.perk{display:flex;align-items:center;gap:9px;font-size:.78rem;color:rgba(244,240,255,.7);font-weight:500;}
.perk-ico{width:22px;height:22px;border-radius:6px;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.25);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.perk-ico svg{display:block;}
/* Modal */
    .overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;pointer-events:none;transition:opacity .25s;}
.overlay.open{opacity:1;pointer-events:all;}
.modal{background:rgba(10,8,20,.92);border:1px solid rgba(139,92,246,.3);-webkit-border-radius:22px;padding:44px;max-width:420px;width:100%;transform:translateY(24px) scale(.96);transition:transform .3s;box-shadow:0 32px 80px rgba(0,0,0,.7),0 0 80px rgba(109,40,217,.12);}
.overlay.open .modal{transform:none;}
.modal-icon{font-size:3rem;text-align:center;margin-bottom:16px;}
.modal h2{font-size:1.25rem;font-weight:800;text-align:center;margin-bottom:8px;}
.modal p{color:var(--muted);font-size:.86rem;text-align:center;line-height:1.7;margin-bottom:24px;}
.modal-list{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:16px 20px;margin-bottom:24px;display:flex;flex-direction:column;gap:11px;font-size:.86rem;}
.ml-row{display:flex;justify-content:space-between;align-items:center;}
.ml-row .k{color:var(--muted);}
.ml-row .v{font-weight:700;}
.modal-btns{display:flex;gap:10px;}
.modal-btns button{flex:1;border:none;border-radius:12px;padding:14px;font-size:.9rem;font-weight:700;cursor:pointer;transition:opacity .2s,transform .1s;}
.modal-btns button:hover{opacity:.85;transform:translateY(-1px);}
.btn-cancel{background:rgba(255,255,255,.07);color:var(--text);border:1px solid var(--border) !important;}
.btn-confirm{background:var(--accent);color:#fff;}
/* Crypto payment overlay */
    #crypto-overlay{position:fixed;inset:0;background:rgba(0,0,0,.78);z-index:300;display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;pointer-events:none;transition:opacity .25s;}
#crypto-overlay.open{opacity:1;pointer-events:all;}
.crypto-modal{background:rgba(8,6,20,.95);border:1px solid rgba(139,92,246,.35);border-radius:22px;padding:36px;max-width:460px;width:100%;transform:translateY(24px) scale(.96);transition:transform .3s;box-shadow:0 32px 80px rgba(0,0,0,.75),0 0 80px rgba(109,40,217,.14);}
#crypto-overlay.open .crypto-modal{transform:none;}
.crypto-modal-top{text-align:center;margin-bottom:24px;}
.crypto-modal-top .cm-icon{font-size:2.6rem;margin-bottom:10px;}
.crypto-modal-top h2{font-size:1.2rem;font-weight:800;color:var(--text);}
.crypto-modal-top p{font-size:.82rem;color:var(--muted);margin-top:5px;line-height:1.6;}
.cm-body{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;margin-bottom:20px;}
@media(max-width:460px){.cm-body{grid-template-columns:1fr;}.cm-qr{margin:0 auto;}}
.cm-qr{width:140px;height:140px;border-radius:12px;overflow:hidden;border:2px solid rgba(139,92,246,.4);background:#fff;flex-shrink:0;}
.cm-qr img{width:100%;height:100%;display:block;}
.cm-details{display:flex;flex-direction:column;gap:10px;}
.cm-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:2px;}
.cm-addr-wrap{background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:10px;padding:10px 12px;display:flex;align-items:center;gap:0px;cursor:pointer;transition:border-color .2s;}
.cm-addr-wrap:hover{border-color:rgba(139,92,246,.5);}
.cm-addr{font-family:monospace;font-size:.72rem;color:#c4b5fd;word-break:break-all;flex:1;line-height:1.5;}
.cm-copy-btn{flex-shrink:0;background:none;border:none;color:var(--muted);cursor:pointer;font-size:.9rem;padding:2px;transition:color .15s;}
.cm-copy-btn:hover{color:#c4b5fd;}
.cm-amount-box{background:rgba(139,92,246,.08);border:1px solid rgba(139,92,246,.25);border-radius:10px;padding:12px 14px;}
.cm-amount-eur{font-size:1.5rem;font-weight:900;color:var(--text);}
.cm-amount-note{font-size:.71rem;color:var(--muted);margin-top:3px;line-height:1.5;}
.cm-warning{background:rgba(251,146,60,.07);border:1px solid rgba(251,146,60,.25);border-radius:10px;padding:11px 14px;font-size:.76rem;color:rgba(251,146,60,.9);line-height:1.6;margin-bottom:18px;}
.cm-btns{display:flex;gap:10px;}
.cm-btns button{flex:1;border:none;border-radius:12px;padding:13px;font-size:.88rem;font-weight:700;cursor:pointer;transition:opacity .2s,transform .1s;}
.cm-btns button:hover{opacity:.85;transform:translateY(-1px);}
.cm-btn-cancel{background:rgba(255,255,255,.07);color:var(--text);border:1px solid var(--border) !important;}
.cm-btn-done{background:#10B981;color:#fff;}
/* Toasts */
    #toasts{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:9999;}
.toast{background:rgba(10,8,20,.94);border:1px solid var(--border);border-radius:13px;padding:14px 20px;font-size:.84rem;display:flex;align-items:center;gap:10px;animation:toastIn .3s ease;max-width:320px;box-shadow:0 8px 40px rgba(0,0,0,.6);}
.toast.success{border-color:rgba(139,92,246,.5);}
.toast.error{border-color:rgba(244,63,94,.5);}
.spin{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;}

/* Fond vidéo animé — identique à la landing */
.bg-video{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;}
.bg-video video{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s ease;}
.bg-video video.playing{opacity:1;}
.bg-video::after{content:'';position:absolute;inset:0;background:rgba(14,10,22,.9);}
@media(max-width:768px){.bg-video{display:none;}}