/* ============================================================
   STELLAR DREAM — xstar88 design system (LIGHT, black & white)
   Rebrand: white main background, black accents, grayscale
   ============================================================ */
:root{
  --bg:#ffffff;
  --surface:#fafafa;
  --surface2:#f2f2f3;
  --card:#ffffff;
  --card-hover:#f5f5f5;
  --line:rgba(0,0,0,.08);
  --line-strong:rgba(0,0,0,.14);
  --text:#0a0a0a;
  --muted:#52525b;
  --dim:#71717a;
  --primary:#000000;
  --primary-hover:#27272a;
  --primary-soft:rgba(0,0,0,.06);
  --accent:#000000;
  --green:#06c755;
  --radius:8px;
  --radius-lg:14px;
  --maxw:1200px;
  --font:'Inter','Noto Sans TC',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;overflow-x:clip}
body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:clip}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(var(--maxw),92%);margin:0 auto}

/* ---------- Buttons: ONE pill system ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;line-height:1;padding:14px 26px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 0 24px rgba(249,115,22,.18)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 28px rgba(249,115,22,.3)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13px}

/* ---------- Nav (sticky, blur) ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(0,0,0,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{width:min(var(--maxw),92%);margin:0 auto;display:flex;align-items:center;gap:28px;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px}
.nav-logo img{width:34px;height:34px;border-radius:8px;object-fit:cover}
.nav-links{display:flex;gap:26px;list-style:none;margin:0 auto}
.nav-links a{color:var(--muted);font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.lang-btn{display:inline-flex;align-items:center;justify-content:center;min-width:48px;padding:7px 14px;border:1px solid var(--line-strong);border-radius:999px;background:transparent;color:var(--muted);font-size:12.5px;font-weight:700;letter-spacing:.06em;font-family:var(--font);cursor:pointer;transition:.25s;line-height:1}
.lang-btn:hover{border-color:var(--primary);color:var(--text)}
.mobile-menu{display:none;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 5%;gap:2px}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:13px 8px;color:var(--muted);font-size:15px;font-weight:500;border-bottom:1px solid rgba(255,255,255,.04)}
.mobile-menu a.btn{border-bottom:0;margin:10px 0 6px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:120px 0 140px;overflow:hidden;background:
  radial-gradient(ellipse 80% 60% at 75% 10%,rgba(249,115,22,.10),transparent 60%),
  radial-gradient(ellipse 60% 50% at 10% 90%,rgba(250,204,21,.05),transparent 55%),
  var(--bg)}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);border:1px solid rgba(249,115,22,.35);background:var(--primary-soft);padding:7px 16px;border-radius:999px;margin-bottom:26px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(42px,6vw,68px);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin-bottom:24px}
.hero h1 .accent{background:linear-gradient(100deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{color:var(--muted);font-size:18px;max-width:540px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-photo{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:0 24px 80px rgba(0,0,0,.6),0 0 60px rgba(249,115,22,.08)}
.hero-photo img{width:100%;height:560px;object-fit:cover}
.hero-caption{position:absolute;left:16px;bottom:16px;font-size:11px;letter-spacing:.18em;color:#fff;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.15)}

/* ---------- Marquee strip ---------- */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;overflow:hidden;background:var(--surface)}
.marquee-track{display:flex;gap:0;white-space:nowrap;animation:marquee 26s linear infinite;width:max-content}
.marquee-track span{font-size:14px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:0 28px;display:inline-flex;align-items:center;gap:28px}
.marquee-track span::after{content:'✦';color:var(--primary);opacity:.6}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
.section{padding:110px 0}
.section-tight{padding:70px 0}
.surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin-bottom:16px}
.eyebrow::before{content:'';width:22px;height:1.5px;background:var(--primary)}
.section-head{margin-bottom:56px}
.section-head.center{text-align:center}
.section-head.center .eyebrow::before{display:none}
.section-head.center .eyebrow{justify-content:center}
.section-head h2{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.15;max-width:640px}
.section-head.center h2{max-width:720px;margin:0 auto}
.section-head h2 .accent{background:linear-gradient(100deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.section-head .sub{color:var(--muted);font-size:16.5px;max-width:560px;margin-top:14px}
.section-head.center .sub{margin:14px auto 0}

/* ---------- Audience cards (xstar style) ---------- */
.aud-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.aud-card{position:relative;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);padding:38px 32px;transition:all .25s ease;overflow:hidden;display:flex;flex-direction:column}
.aud-card::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 80% -10%,rgba(249,115,22,.10),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.aud-card:hover{border-color:rgba(249,115,22,.4);transform:translateY(-4px);box-shadow:0 20px 50px rgba(0,0,0,.45)}
.aud-card:hover::before{opacity:1}
.aud-num{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--dim);margin-bottom:22px}
.aud-card h3{font-size:22px;font-weight:700;margin-bottom:14px}
.aud-card p{color:var(--muted);font-size:14.5px;margin-bottom:24px;flex:1}
.aud-card ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
.aud-card ul li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#d4d4d8}
.aud-card ul li svg{flex:none;margin-top:2px;color:var(--primary)}
.aud-link{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.aud-link:hover{gap:10px}

/* ---------- Service cards (xstar grid) ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.svc-card{border:1px solid var(--line);background:var(--card);border-radius:var(--radius);padding:30px 26px;transition:all .25s ease;display:flex;flex-direction:column;gap:14px}
.svc-card:hover{border-color:rgba(249,115,22,.4);background:var(--card-hover);transform:translateY(-4px)}
.svc-ico{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);border:1px solid rgba(249,115,22,.3);display:flex;align-items:center;justify-content:center;color:var(--primary)}
.svc-card h3{font-size:17px;font-weight:700}
.svc-card p{color:var(--muted);font-size:13.5px;flex:1}

/* ---------- How it works ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:30px 26px;transition:all .25s ease}
.step:hover{border-color:rgba(249,115,22,.4);transform:translateY(-3px)}
.step-num{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--primary);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.step-num::after{content:'';flex:1;height:1px;background:var(--line)}
.step h3{font-size:16px;font-weight:700;margin-bottom:10px}
.step p{color:var(--muted);font-size:13.5px}

/* ---------- Model gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g-item{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);position:relative;aspect-ratio:2/3}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.05)}
.g-item::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.45),transparent 40%);opacity:0;transition:opacity .3s}
.g-item:hover::after{opacity:1}

/* ---------- Social cards ---------- */
.socials{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;max-width:1000px}
.social-card{display:flex;align-items:center;gap:16px;border:1px solid var(--line);background:var(--card);border-radius:var(--radius);padding:20px;transition:all .25s ease}
.social-card:hover{border-color:rgba(249,115,22,.4);transform:translateY(-3px)}
.social-ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;flex:none}
.social-ico.ig{background:linear-gradient(135deg,#833ab4,#fd1d1d,#fcb045);color:#fff}
.social-ico.yt{background:#ff0000;color:#fff}
.social-ico.fb{background:#1877f2;color:#fff}
.social-meta{display:flex;flex-direction:column}
.social-meta b{font-size:15px}
.social-meta span{color:var(--dim);font-size:12.5px}

/* ---------- Video player ---------- */
.video-stage{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);background:#000;aspect-ratio:16/9;margin-bottom:34px}
.video-stage iframe{width:100%;height:100%;border:0;display:block}
.video-stage .poster{width:100%;height:100%;object-fit:cover}
.video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;cursor:pointer}
.video-play .ring{width:74px;height:74px;border-radius:50%;background:rgba(249,115,22,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 0 40px rgba(249,115,22,.5);transition:transform .25s}
.video-play:hover .ring{transform:scale(1.1)}
.video-play svg{width:26px;height:26px;color:#fff;margin-left:3px}
.video-hint{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.65);backdrop-filter:blur(6px);color:#d4d4d8;font-size:12px;padding:8px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.12);white-space:nowrap}
.vlist{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.vcard{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card);cursor:pointer;transition:all .25s ease}
.vcard:hover,.vcard.active{border-color:rgba(249,115,22,.5);transform:translateY(-3px)}
.vcard-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.vcard-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.vcard:hover .vcard-thumb img{transform:scale(1.05)}
.vcard-dur{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.75);color:#fff;font-size:11px;font-weight:600;padding:4px 8px;border-radius:6px}
.vcard-body{display:flex;justify-content:space-between;align-items:center;padding:16px 18px}
.vcard-body b{font-size:15px}
.vcard-body span{font-size:12px;color:var(--primary);font-weight:600}

/* ---------- Services page blocks ---------- */
.page-hero{padding:96px 0 64px;background:
  radial-gradient(ellipse 70% 55% at 50% 0%,rgba(249,115,22,.08),transparent 55%),
  var(--bg)}
.crumb{display:inline-flex;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin-bottom:18px}
.page-hero h1{font-size:clamp(36px,4.6vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-bottom:16px}
.page-hero h1 .accent{background:linear-gradient(100deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .sub{color:var(--muted);font-size:17px;max-width:600px}
.svc{display:grid;grid-template-columns:240px 1fr;gap:40px;padding:34px 0;border-bottom:1px solid var(--line);transition:background .2s;border-radius:var(--radius)}
.svc:hover{background:rgba(249,115,22,.03)}
.svc-num{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--primary);margin-bottom:12px}
.svc h3{font-size:22px;font-weight:700;line-height:1.3}
.svc p{color:var(--muted);font-size:15px;max-width:680px;margin-bottom:18px}
.svc-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{font-size:12.5px;font-weight:500;color:#d4d4d8;border:1px solid var(--line-strong);background:var(--card);padding:7px 14px;border-radius:999px}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about-copy .about-en{font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--dim);display:block;margin-bottom:8px}
.about-copy .about-zh{font-size:22px;font-weight:700;display:block;margin-bottom:18px;color:var(--text)}
.about-copy p{color:var(--muted);font-size:15.5px;margin-bottom:18px}
.about-photo{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong)}
.about-photo img{width:100%;height:520px;object-fit:cover}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.contact-row{display:flex;gap:16px;align-items:flex-start;margin-top:22px}
.contact-ico{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);border:1px solid rgba(249,115,22,.3);display:flex;align-items:center;justify-content:center;color:var(--primary);flex:none}
.contact-row b{font-size:14.5px}
.contact-row p{color:var(--muted);font-size:13.5px;margin-top:2px}
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px;font-weight:600;color:#d4d4d8}
.field input,.field textarea{background:var(--surface2);border:1px solid var(--line-strong);color:var(--text);border-radius:var(--radius);padding:13px 15px;font-size:14.5px;font-family:inherit;outline:none;transition:border .2s;width:100%}
.field input:focus,.field textarea:focus{border-color:var(--primary)}
.field textarea{min-height:120px;resize:vertical}
.form-note{color:var(--dim);font-size:12.5px;margin-top:14px}

/* ---------- Stats (xstar style) ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:center}
.stat{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:36px 20px}
.stat b{font-size:clamp(34px,4vw,48px);font-weight:800;letter-spacing:-.03em;background:linear-gradient(100deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.stat span{color:var(--muted);font-size:14px;margin-top:6px;display:block}

/* ---------- CTA ---------- */
.cta{padding:110px 0;text-align:center;background:
  radial-gradient(ellipse 70% 60% at 50% 0%,rgba(249,115,22,.12),transparent 60%),
  var(--bg);border-top:1px solid var(--line)}
.cta h2{font-size:clamp(32px,4.4vw,50px);font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.cta h2 .accent{background:linear-gradient(100deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.cta p{color:var(--muted);font-size:16.5px;max-width:520px;margin:0 auto 34px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
.footer{background:#000;border-top:1px solid var(--line);padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:12px}
.footer .brand img{width:30px;height:30px;border-radius:8px}
.footer p{color:var(--dim);font-size:13.5px;max-width:300px}
.footer h4{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#d4d4d8;margin-bottom:16px}
.footer a{display:block;color:var(--muted);font-size:13.5px;margin-bottom:11px;transition:color .2s}
.footer a:hover{color:var(--primary)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px}
.footer-bottom span{color:var(--dim);font-size:12.5px}

/* ---------- Starfield background (xstar effect) ---------- */
.starfield-bg{position:fixed;inset:0;z-index:-10;pointer-events:none;overflow:hidden;background:#000;max-width:100vw}
.starfield-bg canvas.starfield{position:absolute;inset:0;width:100%;height:100%;display:block}
/* orange sweep beams */
.beam{position:absolute;height:1px;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(249,115,22,.5) 50%,transparent);filter:blur(6px);animation:orange-sweep 12s ease-in-out infinite}
.beam-strong{background:linear-gradient(90deg,transparent,rgba(249,115,22,.7) 40%,rgba(255,200,140,1) 50%,rgba(249,115,22,.7) 60%,transparent);filter:blur(6px);height:2px;animation:orange-sweep 14s ease-in-out infinite}
.beam.thin{height:1px;filter:blur(3px);animation-duration:11s;animation-delay:7s}
.beam.broad{height:3px;filter:blur(10px);animation-duration:16s;animation-delay:2s}
@keyframes orange-sweep{0%{opacity:0;transform:translateX(-30%) skewX(-20deg)}20%{opacity:.7}60%{opacity:.9}to{opacity:0;transform:translateX(180%) skewX(-20deg)}}

/* ---------- Ambient motion effects ---------- */
.animate-drift{animation:drift 18s ease-in-out infinite}
@keyframes drift{0%,to{transform:translate(0,0)}50%{transform:translate(2%,-2%)}}
.animate-glow{animation:pulse-glow 4s ease-in-out infinite}
@keyframes pulse-glow{0%,to{filter:drop-shadow(0 0 18px rgba(249,115,22,.55))}50%{filter:drop-shadow(0 0 36px rgba(249,115,22,.95))}}

/* ---------- Reveal variants (xstar blur-slide) ---------- */
.reveal{opacity:0;transform:translate3d(0,56px,0);filter:blur(10px);transition:opacity .76s ease,transform .76s ease,filter .76s ease}
.reveal-left{transform:translate3d(-64px,0,0)}
.reveal-right{transform:translate3d(64px,0,0)}
.reveal.in{opacity:1;transform:translate3d(0,0,0);filter:blur(0)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;filter:none;transition:none}.marquee-track{animation:none}.beam,.animate-drift,.animate-glow{animation:none}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-photo img{height:420px}
  .svc-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .aud-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
}
@media (max-width:768px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:flex}
  /* horizontal reveal slides overflow tiny screens — use vertical slide instead */
  .reveal-left,.reveal-right{transform:translate3d(0,56px,0)}
  .section{padding:80px 0}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .about-photo img{height:380px}
  .svc-grid,.steps,.gallery{grid-template-columns:repeat(2,1fr)}
  .vlist{grid-template-columns:1fr}
  .svc{grid-template-columns:1fr;gap:10px}
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .form-grid{grid-template-columns:1fr}
  .hero{padding:84px 0 96px}
  .hero-actions .btn{flex:1;justify-content:center}
  .marquee-track span{font-size:12px;padding:0 18px}
  .video-hint{white-space:normal;width:90%;text-align:center}
}

/* ============================================================
   LIGHT MODE — black & white overrides (hardcoded values)
   White is the main background; black text & accents; grayscale.
   ============================================================ */

/* Buttons: black fills, white text, soft shadows (no orange) */
.btn-primary{background:#000;color:#fff;box-shadow:0 1px 2px rgba(0,0,0,.08),0 6px 18px rgba(0,0,0,.12)}
.btn-primary:hover{background:#27272a;transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.btn-ghost{color:#0a0a0a;border-color:rgba(0,0,0,.16)}
.btn-ghost:hover{border-color:#000;color:#000}

/* Nav: white translucent bar */
.nav{background:rgba(255,255,255,.85);border-bottom:1px solid rgba(0,0,0,.08)}
.mobile-menu a{border-bottom:1px solid rgba(0,0,0,.05)}

/* HERO: dark banner — image behind, black 80% overlay, white text */
.hero{
  position:relative;
  background:
    linear-gradient(rgba(0,0,0,.80),rgba(0,0,0,.80)),
    url('/assets/img/hero-model.jpg') center/cover no-repeat}
.hero-badge{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}
.hero h1{color:#ffffff}
.hero h1 .accent{background:linear-gradient(100deg,#fff,#cfcfcf);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{color:#d4d4d8}
.hero-actions .btn-primary{background:#fff;color:#000}
.hero-actions .btn-primary:hover{background:#e4e4e5;color:#000}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.hero-actions .btn-ghost:hover{border-color:#fff;color:#fff}
.hero-photo{border:1px solid rgba(255,255,255,.18);box-shadow:0 24px 80px rgba(0,0,0,.45)}
.hero-caption{color:#fff}

/* Audit / service / step cards: hover to black border, light shadow */
.aud-card::before{background:radial-gradient(ellipse 70% 60% at 80% -10%,rgba(0,0,0,.04),transparent 60%)}
.aud-card:hover{border-color:rgba(0,0,0,.25);box-shadow:0 20px 50px rgba(0,0,0,.10)}
.aud-card ul li{color:#3f3f46}
.svc-card:hover{border-color:rgba(0,0,0,.25);background:#fafafa}
.svc-ico{border:1px solid rgba(0,0,0,.14);background:rgba(0,0,0,.04)}
.step:hover{border-color:rgba(0,0,0,.25)}
.social-card:hover{border-color:rgba(0,0,0,.25)}

/* Section headings: black gradient */
.section-head h2 .accent,.page-hero h1 .accent,.stat b,.cta h2 .accent{
  background:linear-gradient(100deg,#000,#333);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Video */
.video-play .ring{background:rgba(0,0,0,.82);box-shadow:0 0 40px rgba(0,0,0,.25)}
.vcard:hover,.vcard.active{border-color:rgba(0,0,0,.3)}
.vcard-body span{color:#000}

/* Page hero / cta: light */
.page-hero{background:radial-gradient(ellipse 70% 55% at 50% 0%,rgba(0,0,0,.04),transparent 55%),#ffffff}
.svc:hover{background:rgba(0,0,0,.02)}
.tag{color:#3f3f46;border:1px solid rgba(0,0,0,.14);background:#fafafa}
.field label{color:#3f3f46}
.field input,.field textarea{background:#fff;border:1px solid rgba(0,0,0,.16);color:#0a0a0a}
.form-note{color:#71717a}

/* CTA */
.cta{background:radial-gradient(ellipse 70% 60% at 50% 0%,rgba(0,0,0,.05),transparent 60%),#ffffff;border-top:1px solid rgba(0,0,0,.08)}

/* Footer: light */
.footer{background:#fafafa;border-top:1px solid rgba(0,0,0,.1)}
.footer h4{color:#0a0a0a}
.footer-bottom{border-top:1px solid rgba(0,0,0,.08)}

/* Starfield & beams — effects ON; silver sweeps visible on dark hero */
.starfield-bg{background:#000}
.beam{background:linear-gradient(90deg,transparent,rgba(255,255,255,.35) 50%,transparent);filter:blur(6px);animation:white-sweep 12s ease-in-out infinite}
.beam-strong{background:linear-gradient(90deg,transparent,rgba(255,255,255,.5) 40%,rgba(255,255,255,.9) 50%,rgba(255,255,255,.5) 60%,transparent);filter:blur(6px);height:2px;animation:white-sweep 14s ease-in-out infinite}
.beam.thin{height:1px;filter:blur(3px);animation-duration:11s;animation-delay:7s}
.beam.broad{height:3px;filter:blur(10px);animation-duration:16s;animation-delay:2s}
@keyframes white-sweep{0%{opacity:0;transform:translateX(-30%) skewX(-20deg)}20%{opacity:.8}60%{opacity:1}to{opacity:0;transform:translateX(180%) skewX(-20deg)}}
/* subtle glow on hero accent + drift on photo */
.hero h1 .accent{animation:hero-glow 5s ease-in-out infinite}
@keyframes hero-glow{0%,to{filter:drop-shadow(0 0 10px rgba(255,255,255,.15))}50%{filter:drop-shadow(0 0 22px rgba(255,255,255,.35))}}
.hero-photo{animation:photo-drift 16s ease-in-out infinite}
@keyframes photo-drift{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}
.animate-glow{animation:none}

/* Keep reduced-motion override valid */
@media (prefers-reduced-motion:reduce){.beam{animation:none}.animate-drift{animation:none}}