*{box-sizing:border-box;margin:0;padding:0}
:root{--dark:#10151d;--text:#17202a;--muted:#657180;--line:#e7ebef;--accent:#ff9d00;--bg:#f7f9fb;--surface:#fff;--header:rgba(255,255,255,.94);--hero:#f7f9fb;--shadow:rgba(16,21,29,.16)}
:root[data-theme="dark"]{--text:#edf2f7;--muted:#aeb9c5;--line:#303945;--bg:#151b23;--surface:#1b222c;--header:rgba(16,21,29,.94);--hero:#111820;--dark:#090d12;--shadow:rgba(0,0,0,.35)}
html{scroll-behavior:smooth}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--surface);line-height:1.6;transition:background .25s,color .25s}
body.modal-open{overflow:hidden}
a{text-decoration:none;color:inherit}
button{font:inherit}
.container{width:min(1120px,92%);margin:auto}
.header{position:sticky;top:0;z-index:10;background:var(--header);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{min-height:76px;display:flex;align-items:center;gap:32px}
.logo{font-weight:900;letter-spacing:-.7px;font-size:20px}
.logo span{color:var(--accent)}
nav{display:flex;gap:26px;margin-left:auto}
nav a{font-size:14px;color:var(--muted)}
nav a:hover{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.theme-toggle{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);display:grid;place-items:center;cursor:pointer;position:relative;overflow:hidden;transition:transform .2s,border-color .2s,background .2s}
.theme-toggle:hover{transform:translateY(-1px);border-color:var(--accent)}
.theme-icon{grid-area:1/1;font-size:20px;line-height:1;transition:opacity .2s,transform .25s}
.moon{opacity:0;transform:translateY(8px) rotate(-30deg)}
:root[data-theme="dark"] .sun{opacity:0;transform:translateY(-8px) rotate(30deg)}
:root[data-theme="dark"] .moon{opacity:1;transform:none}
.nav-email{background:var(--dark);color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;font-weight:700}
.hero{background:linear-gradient(135deg,var(--hero) 0%,var(--surface) 60%);padding:105px 0 95px}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:center}
.eyebrow{font-size:12px;letter-spacing:2px;font-weight:800;color:#8b6200;margin-bottom:14px}
:root[data-theme="dark"] .eyebrow{color:#ffb52e}
h1{font-size:clamp(44px,6vw,76px);line-height:1.02;letter-spacing:-3px;max-width:760px}
h1 span{color:var(--accent)}
.hero-text{font-size:19px;color:var(--muted);max-width:650px;margin:25px 0 17px}
.offer-note{display:flex;gap:8px;flex-wrap:wrap;align-items:center;color:var(--text);font-size:14px;margin-bottom:30px}
.offer-note strong:first-child{color:var(--accent)}
.buttons{display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:14px 22px;border-radius:11px;font-weight:800;font-size:15px;border:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.primary{background:var(--dark);color:#fff}
.secondary{border:1px solid var(--line);background:var(--surface);color:var(--text)}
.hero-card{background:var(--dark);color:#fff;border-radius:24px;padding:42px;box-shadow:0 25px 60px var(--shadow)}
.bolt{font-size:54px;margin-bottom:20px}
.hero-card h2{font-size:28px;margin-bottom:10px}
.hero-card p{color:#c8d0d8}
.line{height:1px;background:#3a424d;margin:28px 0 18px}
.small{font-size:14px}
.section{padding:95px 0}
.section-title{font-size:clamp(32px,4vw,48px);line-height:1.1;letter-spacing:-1.5px}
.section-intro{color:var(--muted);max-width:680px;margin:16px 0 42px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--surface)}
.icon{font-size:30px;margin-bottom:22px}
.card h3{font-size:19px;margin-bottom:9px}
.card p{font-size:14px;color:var(--muted)}
.dark{background:var(--dark);color:#fff}
.dark .eyebrow{color:#ffb52e}
.about{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about p{color:#c7ced6;font-size:18px}
.contact{background:var(--bg)}
.contact-box{display:flex;align-items:center;justify-content:space-between;gap:40px;border:1px solid var(--line);background:var(--surface);border-radius:22px;padding:42px}
.contact-box p{color:var(--muted);margin-top:12px}
.contact-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;justify-content:flex-end}
.email{font-weight:800;font-size:17px;border-bottom:2px solid var(--accent);padding-bottom:4px;white-space:nowrap}
footer{background:var(--surface);border-top:1px solid var(--line)}
.footer{min-height:75px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px}
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.62);backdrop-filter:blur(4px)}
.modal-card{position:relative;width:min(500px,100%);background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.3);animation:modalIn .2s ease-out}
@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.modal-close{position:absolute;right:16px;top:14px;width:38px;height:38px;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:10px;font-size:25px;line-height:1;cursor:pointer}
.modal-card h2{font-size:32px;line-height:1.1;margin-bottom:12px;letter-spacing:-1px}
.modal-text{color:var(--muted);margin-bottom:22px}
.modal-actions{display:grid;gap:12px}
.contact-option{display:flex;align-items:center;gap:15px;border:1px solid var(--line);border-radius:15px;padding:16px;background:var(--surface);transition:transform .2s,border-color .2s}
.contact-option:hover{transform:translateY(-1px);border-color:var(--accent)}
.contact-option strong,.contact-option small{display:block}
.contact-option small{color:var(--muted);margin-top:2px;font-size:13px}
.option-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--dark);color:#fff;font-size:20px;flex:0 0 auto}
.modal-email{display:block;text-align:center;margin-top:20px;color:var(--muted);font-size:13px;text-decoration:underline;text-underline-offset:3px}
@media(max-width:850px){
  nav{display:none}.nav-actions{margin-left:auto}
  .hero{padding:70px 0}.hero-grid{grid-template-columns:1fr;gap:38px}
  .cards{grid-template-columns:1fr 1fr}.about{grid-template-columns:1fr;gap:25px}
  .contact-box{flex-direction:column;align-items:flex-start}.contact-actions{justify-content:flex-start}
}
@media(max-width:520px){
  .nav{min-height:68px;gap:8px}.logo{font-size:17px}.nav-email{display:none}.theme-toggle{width:42px;height:42px}
  .cards{grid-template-columns:1fr}.hero-card{padding:30px}
  h1{letter-spacing:-2px}.section{padding:70px 0}
  .footer{flex-direction:column;justify-content:center;gap:5px;padding:20px 0}
  .email{white-space:normal;word-break:break-word}
  .contact-actions{width:100%;flex-direction:column;align-items:stretch}.contact-actions .btn{width:100%}
  .modal{padding:14px}.modal-card{padding:30px 22px}.modal-card h2{font-size:28px}
}

body.modal-open{overflow:hidden}
.nav-account{border:1px solid var(--line);background:var(--surface);color:var(--text);padding:11px 16px;border-radius:10px;font-size:14px;font-weight:700;cursor:pointer}
.nav-account:hover{border-color:var(--accent)}
.prototype-note{border:1px dashed var(--line);background:var(--bg);padding:14px;border-radius:12px;color:var(--muted);font-size:14px}
.contact-option{text-decoration:none;color:var(--text);cursor:pointer;width:100%;text-align:left}
@media(max-width:520px){
  .nav-account{padding:10px 12px;font-size:13px}
}