/* ═══════════════════════════════════════════════════════════
   DOMOTOOLS SOLAR — Common Dark Premium Design System
   ═══════════════════════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;background:#000;color:rgba(255,255,255,.6);overflow-x:hidden;line-height:1.6;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}
:root{
  --gold:#F59E0B;--gold2:#FBBF24;--gold-dim:rgba(245,158,11,.12);--gold-glow:0 0 40px rgba(245,158,11,.3);
  --s1:#0a0a0a;--s2:#111;--s3:#1a1a1a;--s4:#222;
  --border:rgba(255,255,255,.07);--border2:rgba(255,255,255,.13);
  --t1:#fff;--t2:rgba(255,255,255,.6);--t3:rgba(255,255,255,.35);
  --font-display:'Syne',sans-serif;
  --r:10px;
}
.container{max-width:1280px;margin:0 auto;padding:0 32px;}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);padding:5px 14px;border-radius:100px;border:1px solid rgba(245,158,11,.25);background:var(--gold-dim);}
.tag::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--gold);flex-shrink:0;}
.section-tag{margin-bottom:20px;}
.section-title{font-family:var(--font-display);font-size:clamp(32px,4vw,52px);font-weight:900;color:var(--t1);letter-spacing:-.03em;line-height:1.05;}
.section-title em{color:var(--gold);font-style:normal;}
.section-desc{font-size:17px;color:var(--t2);line-height:1.75;max-width:600px;}

/* BUTTONS */
.btn-gold{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:var(--r);background:var(--gold);color:#000;font-size:15px;font-weight:700;transition:all .2s;}
.btn-gold:hover{box-shadow:var(--gold-glow);transform:translateY(-2px);}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:var(--r);border:1px solid var(--border2);color:var(--t2);font-size:15px;font-weight:500;transition:all .2s;}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:var(--r);background:rgba(255,255,255,.05);border:1px solid var(--border);color:var(--t2);font-size:15px;transition:all .2s;}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:var(--t1);}

/* HEADER */
.header{position:fixed;top:0;left:0;right:0;z-index:999;height:68px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;background:rgba(0,0,0,.85);backdrop-filter:blur(24px);border-bottom:1px solid var(--border);transition:background .3s;}
.header__logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:15px;font-weight:800;color:var(--t1);}
.header__logo-mark{width:34px;height:34px;border-radius:8px;background:var(--gold);display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px rgba(245,158,11,.35);}
.header__nav{display:flex;align-items:center;gap:2px;}
.header__nav a{padding:7px 14px;border-radius:7px;font-size:13px;font-weight:500;color:var(--t2);transition:color .2s,background .2s;}
.header__nav a:hover,.header__nav a.active{color:var(--t1);background:rgba(255,255,255,.05);}
.header__nav a.active{color:var(--gold);}
.header__cta{padding:9px 22px;border-radius:8px;background:var(--gold);color:#000;font-size:13px;font-weight:700;transition:all .2s;}
.header__cta:hover{box-shadow:var(--gold-glow);transform:translateY(-1px);}
.header__menu{display:none;flex-direction:column;gap:4px;padding:8px;}
.header__menu span{width:20px;height:2px;background:var(--t2);border-radius:2px;display:block;}
.mobile-nav{display:none;position:fixed;inset:68px 0 0 0;z-index:998;background:rgba(0,0,0,.97);backdrop-filter:blur(24px);flex-direction:column;align-items:center;justify-content:center;gap:8px;border-top:1px solid var(--border);}
.mobile-nav.open{display:flex;}
.mobile-nav a{font-family:var(--font-display);font-size:24px;font-weight:800;color:var(--t2);padding:12px 32px;text-align:center;width:100%;transition:color .2s;}
.mobile-nav a:hover{color:var(--gold);}

/* PAGE HERO */
.page-hero{padding:140px 0 80px;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(245,158,11,.07) 0%,transparent 60%),#000;border-bottom:1px solid var(--border);position:relative;}
.page-hero__breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:24px;}
.page-hero__breadcrumb a{color:var(--t3);transition:color .2s;}
.page-hero__breadcrumb a:hover{color:var(--gold);}
.page-hero__breadcrumb span{color:var(--border2);}
.page-hero__title{font-family:var(--font-display);font-size:clamp(36px,5vw,64px);font-weight:900;color:var(--t1);letter-spacing:-.03em;line-height:1.05;margin:16px 0 20px;}
.page-hero__title em{color:var(--gold);font-style:normal;}
.page-hero__desc{font-size:18px;color:var(--t2);line-height:1.75;max-width:580px;}
.page-hero__stats{display:flex;gap:48px;margin-top:48px;padding-top:40px;border-top:1px solid var(--border);}
.page-hero__stat-num{font-family:var(--font-display);font-size:36px;font-weight:900;color:var(--gold);line-height:1;letter-spacing:-.03em;}
.page-hero__stat-lab{font-size:13px;color:var(--t3);margin-top:4px;}

/* FOOTER */
.footer{background:#030303;border-top:1px solid var(--border);padding:80px 0 0;}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;padding-bottom:60px;border-bottom:1px solid var(--border);}
.footer__logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:15px;font-weight:800;color:var(--t1);margin-bottom:20px;}
.footer__logo-mark{width:32px;height:32px;border-radius:7px;background:var(--gold);display:flex;align-items:center;justify-content:center;}
.footer__tagline{font-size:14px;color:var(--t3);line-height:1.75;margin-bottom:24px;max-width:260px;}
.footer__contact-list{display:flex;flex-direction:column;gap:10px;}
.footer__contact-item{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);}
.footer__contact-item svg{color:var(--gold);flex-shrink:0;}
.footer__col-title{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--t3);margin-bottom:20px;}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{font-size:14px;color:var(--t3);transition:color .2s;}
.footer__links a:hover{color:var(--gold);}
.footer__bottom{padding:24px 0;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--t3);}
.footer__bottom a{color:var(--gold);}
.footer__rge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:6px;background:var(--gold-dim);border:1px solid rgba(245,158,11,.2);font-size:12px;font-weight:700;color:var(--gold);}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-d1{transition-delay:.1s;}.reveal-d2{transition-delay:.2s;}.reveal-d3{transition-delay:.3s;}
.text-center{text-align:center;}

/* CARD */
.dark-card{background:var(--s2);border:1px solid var(--border);border-radius:16px;transition:border-color .25s,box-shadow .25s;}
.dark-card:hover{border-color:rgba(245,158,11,.25);box-shadow:0 8px 40px rgba(0,0,0,.5);}

/* RESPONSIVE */
@media(max-width:1024px){
  .header__nav,.header__cta{display:none;}
  .header__menu{display:flex;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:40px;}
  .page-hero__stats{gap:28px;flex-wrap:wrap;}
}
@media(max-width:640px){
  .container{padding:0 20px;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__bottom{flex-direction:column;gap:12px;text-align:center;}
}