*{box-sizing:border-box;margin:0;padding:0}
:root{
  --noir:#07070f;--fond:#0d0d1a;--card:#13131f;--bord:#1e1e32;
  --or:#e8c97a;--or2:#f5dfa0;--or3:#c9a84c;
  --blanc:#f0eff8;--gris:#8888a8;--gris2:#55556a;
  --violet:#7c5cfc;--bleu:#3d8bff;--rose:#ff5fa0;
}
html{scroll-behavior:smooth}
body{background:var(--noir);color:var(--blanc);font-family:'Segoe UI',system-ui,Arial,sans-serif;font-size:16px;line-height:1.7;overflow-x:hidden}

/* ── SCROLLBAR ── */
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--fond)}::-webkit-scrollbar-thumb{background:var(--or3);border-radius:3px}

/* ── HERO ── */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;
  text-align:center;padding:60px 24px 40px;position:relative;overflow:hidden;
  background:radial-gradient(ellipse at 60% 40%, rgba(124,92,252,0.13) 0%, transparent 60%),
             radial-gradient(ellipse at 20% 80%, rgba(232,201,122,0.08) 0%, transparent 55%),
             var(--noir);
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(0deg,transparent,transparent 40px,rgba(232,201,122,0.025) 40px,rgba(232,201,122,0.025) 41px),
             repeating-linear-gradient(90deg,transparent,transparent 40px,rgba(124,92,252,0.025) 40px,rgba(124,92,252,0.025) 41px);
  pointer-events:none;
}
.hero-badge{display:inline-block;padding:5px 18px;border-radius:20px;background:rgba(232,201,122,0.1);border:1px solid rgba(232,201,122,0.35);color:var(--or);font-size:0.72em;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:28px}
.hero h1{font-size:clamp(2.8em,7vw,5.5em);font-weight:900;letter-spacing:4px;line-height:1.1;margin-bottom:12px}
.hero h1 .gold{background:linear-gradient(135deg,var(--or3),var(--or),var(--or2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero h1 .light{color:var(--blanc);opacity:0.9}
.hero-sub{font-size:clamp(1em,2.5vw,1.25em);color:var(--gris);max-width:580px;margin:0 auto 36px}
.hero-sub strong{color:var(--or);font-weight:600}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:64px}
.btn{padding:13px 32px;border-radius:50px;font-size:0.95em;font-weight:700;cursor:pointer;text-decoration:none;letter-spacing:0.5px;transition:all 0.25s}
.btn-gold{background:linear-gradient(135deg,var(--or3),var(--or));color:#0a0a0a;border:none;box-shadow:0 4px 20px rgba(232,201,122,0.3)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(232,201,122,0.45)}
.btn-outline{background:transparent;color:var(--or);border:1.5px solid rgba(232,201,122,0.5)}
.btn-outline:hover{background:rgba(232,201,122,0.08);border-color:var(--or);transform:translateY(-2px)}

/* ── PRODUCT VISUAL ── */
.visual-wrap{position:relative;display:inline-block}
.glow-ring{position:absolute;inset:-40px;border-radius:50%;background:radial-gradient(ellipse,rgba(232,201,122,0.12),transparent 65%);pointer-events:none}

/* ── SECTIONS ── */
section{padding:90px 24px}
.container{max-width:1080px;margin:0 auto}
.section-label{display:inline-block;font-size:0.7em;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:var(--or);margin-bottom:12px}
.section-title{font-size:clamp(1.8em,4vw,2.8em);font-weight:900;line-height:1.15;margin-bottom:16px}
.section-title .g{background:linear-gradient(120deg,var(--or3),var(--or2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-sub{color:var(--gris);max-width:580px;font-size:1em;margin-bottom:50px}

/* ── FEATURES GRID ── */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:820px){.features-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.features-grid{grid-template-columns:1fr}}
.feat{background:var(--card);border:1px solid var(--bord);border-radius:16px;padding:28px 24px;transition:all 0.3s;position:relative;overflow:hidden}
.feat::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;opacity:0;transition:opacity 0.3s}
.feat:hover{transform:translateY(-4px);border-color:rgba(232,201,122,0.3);box-shadow:0 12px 40px rgba(0,0,0,0.4)}
.feat:hover::before{opacity:1}
.feat-cam::before{background:linear-gradient(90deg,var(--violet),var(--bleu))}
.feat-mic::before{background:linear-gradient(90deg,var(--or3),var(--or))}
.feat-spk::before{background:linear-gradient(90deg,var(--bleu),var(--rose))}
.feat-ai::before{background:linear-gradient(90deg,var(--violet),var(--rose))}
.feat-batt::before{background:linear-gradient(90deg,var(--or3),var(--vert,#00ff88))}
.feat-style::before{background:linear-gradient(90deg,var(--or),var(--or2))}
.feat-icon{font-size:2em;margin-bottom:14px;display:block}
.feat h3{font-size:1em;font-weight:800;color:var(--blanc);margin-bottom:8px;letter-spacing:0.3px}
.feat p{font-size:0.88em;color:var(--gris);line-height:1.6}
.feat .tag{display:inline-block;font-size:0.68em;font-weight:700;padding:2px 9px;border-radius:20px;margin-top:10px;letter-spacing:1px}
.tag-v{background:rgba(124,92,252,0.15);color:#a48dff;border:1px solid rgba(124,92,252,0.3)}
.tag-g{background:rgba(232,201,122,0.12);color:var(--or);border:1px solid rgba(232,201,122,0.3)}
.tag-b{background:rgba(61,139,255,0.12);color:#7bb3ff;border:1px solid rgba(61,139,255,0.3)}
.tag-r{background:rgba(255,95,160,0.12);color:#ff8ec0;border:1px solid rgba(255,95,160,0.3)}

/* ── ANATOMY SECTION ── */
.anatomy-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:720px){.anatomy-wrap{grid-template-columns:1fr}}
.anatomy-svg-wrap{background:var(--card);border:1px solid rgba(232,201,122,0.15);border-radius:20px;padding:24px;display:flex;align-items:center;justify-content:center}
.anat-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px;padding:16px;background:var(--card);border:1px solid var(--bord);border-radius:12px;transition:border-color 0.2s}
.anat-item:hover{border-color:rgba(232,201,122,0.3)}
.anat-num{min-width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:0.85em;flex-shrink:0}
.n1{background:rgba(232,201,122,0.15);color:var(--or);border:1px solid rgba(232,201,122,0.4)}
.n2{background:rgba(124,92,252,0.15);color:#a48dff;border:1px solid rgba(124,92,252,0.4)}
.n3{background:rgba(61,139,255,0.15);color:#7bb3ff;border:1px solid rgba(61,139,255,0.4)}
.n4{background:rgba(255,95,160,0.15);color:#ff8ec0;border:1px solid rgba(255,95,160,0.4)}
.anat-text strong{display:block;font-size:0.95em;color:var(--blanc);margin-bottom:3px}
.anat-text span{font-size:0.82em;color:var(--gris)}

/* ── DIVIDER ── */
hr.div{border:none;border-top:1px solid var(--bord);margin:0}

/* ── SPECS TABLE ── */
.specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:600px){.specs-grid{grid-template-columns:1fr}}
.spec-card{background:var(--card);border:1px solid var(--bord);border-radius:14px;padding:22px 20px}
.spec-card h4{font-size:0.78em;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--or);margin-bottom:14px}
.spec-row{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid rgba(255,255,255,0.04);font-size:0.88em}
.spec-row:last-child{border-bottom:none}
.spec-row .k{color:var(--gris)}
.spec-row .v{color:var(--blanc);font-weight:600;text-align:right}

/* ── STYLES SECTION ── */
.styles-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:800px){.styles-grid{grid-template-columns:1fr 1fr}}
@media(max-width:400px){.styles-grid{grid-template-columns:1fr}}
.style-card{border-radius:16px;padding:22px 18px;text-align:center;cursor:pointer;transition:all 0.3s;border:1.5px solid transparent}
.style-card:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(0,0,0,0.5)}
.sc-gold{background:linear-gradient(160deg,#1f1800,#2e2410);border-color:rgba(232,201,122,0.35)}
.sc-silver{background:linear-gradient(160deg,#111218,#1a1c26);border-color:rgba(180,190,220,0.25)}
.sc-black{background:linear-gradient(160deg,#0e0e0e,#1a0a1a);border-color:rgba(124,92,252,0.3)}
.sc-rose{background:linear-gradient(160deg,#1a0d12,#28101a);border-color:rgba(255,95,160,0.3)}
.style-dot{width:44px;height:44px;border-radius:50%;margin:0 auto 12px}
.dot-gold{background:linear-gradient(135deg,#c9a84c,#f5dfa0)}
.dot-silver{background:linear-gradient(135deg,#9ba8c0,#d4dce8)}
.dot-black{background:linear-gradient(135deg,#2a2a2a,#6040cc)}
.dot-rose{background:linear-gradient(135deg,#c04070,#ff8ec0)}
.style-card h4{font-size:0.9em;font-weight:800;margin-bottom:4px}
.style-card p{font-size:0.75em;color:var(--gris)}

/* ── HOW IT WORKS ── */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
@media(max-width:760px){.steps{grid-template-columns:1fr 1fr;gap:16px}}
@media(max-width:420px){.steps{grid-template-columns:1fr}}
.steps::before{content:'';position:absolute;top:28px;left:12.5%;right:12.5%;height:1px;background:linear-gradient(90deg,transparent,var(--or),var(--or),transparent);opacity:0.25;z-index:0}
@media(max-width:760px){.steps::before{display:none}}
.step{text-align:center;padding:20px 16px;position:relative;z-index:1}
.step-num{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--or3),var(--or));color:#0a0a0a;font-weight:900;font-size:1.1em;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 0 24px rgba(232,201,122,0.25)}
.step h4{font-size:0.92em;font-weight:800;margin-bottom:6px;color:var(--blanc)}
.step p{font-size:0.8em;color:var(--gris)}

/* ── FOOTER ── */
footer{background:var(--card);border-top:1px solid var(--bord);padding:40px 24px;text-align:center}
.footer-logo{font-size:1.6em;font-weight:900;letter-spacing:3px;margin-bottom:10px}
.footer-logo .g{background:linear-gradient(135deg,var(--or3),var(--or2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
footer p{color:var(--gris2);font-size:0.82em}

/* ── UTILITY ── */
.text-center{text-align:center}
.mt-tag{display:inline-block;padding:3px 12px;border-radius:20px;font-size:0.72em;font-weight:700;letter-spacing:1px;background:rgba(232,201,122,0.1);color:var(--or);border:1px solid rgba(232,201,122,0.3);margin-top:10px}

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */

/* Tablet ≤ 900px */
@media(max-width:900px){
  section{padding:64px 20px}
  .hero{padding:48px 20px 36px}
  .section-title{font-size:clamp(1.55em,3.5vw,2.2em)}
  .cta-row{gap:10px}
}

/* Phablet ≤ 640px */
@media(max-width:640px){
  section{padding:48px 16px}
  .hero{padding:40px 16px 28px;min-height:auto}
  .hero h1{font-size:clamp(2.2em,11vw,3.8em)}
  .hero-badge{font-size:0.65em;padding:4px 14px}
  .visual-wrap{width:100%}
  .visual-wrap svg{width:100%!important}
  .anatomy-svg-wrap svg{width:100%!important}
  .btn{padding:11px 22px;font-size:0.88em}
  .feat{padding:22px 18px}
  .anat-item{padding:13px}
  .spec-card{padding:18px 15px}
  .step{padding:16px 10px}
  .step-num{width:46px;height:46px;font-size:1em}
  .section-label{font-size:0.65em}
}

/* Mobile ≤ 480px */
@media(max-width:480px){
  section{padding:36px 14px}
  .hero{padding:32px 14px 24px}
  .hero h1{font-size:clamp(2em,12vw,3.2em);letter-spacing:2px}
  .hero-sub{font-size:0.95em}
  .section-title{font-size:clamp(1.4em,6vw,2em)}
  .features-grid,.specs-grid,.styles-grid{gap:12px}
  .anatomy-wrap{gap:24px}
  .feat h3{font-size:0.93em}
  .spec-row{font-size:0.82em}
  .style-card{padding:18px 14px}
  .style-dot{width:36px;height:36px}
  footer{padding:28px 16px}
  .footer-logo{font-size:1.3em}
}