/* SB ADS SOLUTIONS — Premium UI/UX (v1.4.0)
   Brand: clean black #111111 + white + red accent #E11D2E (logo red).
   Minimal premium: flat colours, generous white space, light shadows, no heavy gradients or glow. */
:root{
  --navy:#111111; --navy-2:#1c1c1c; --navy-3:#2a2a2a;
  --deep:#000000; --dark:#111111; --ink:#111111;
  --gold:#E11D2E; --gold-2:#ff5a66; --gold-ink:#ffffff; --yellow:#E11D2E; --yellow-2:#ff5a66; --yellow-ink:#ffffff;
  --red:#E11D2E; --red-dark:#b30f1e; --red-tint:#fdebec;
  --text:#2b2b2b; --muted:#6f6f6f; --line:#e7e7e7;
  --bg:#fafafa; --card:#ffffff;
  --radius:16px; --radius-sm:12px;
  --shadow-sm:0 1px 3px rgba(17,17,17,.05),0 4px 14px rgba(17,17,17,.04);
  --shadow-md:0 2px 6px rgba(17,17,17,.06),0 12px 28px rgba(17,17,17,.07);
  --shadow-lg:0 4px 10px rgba(17,17,17,.07),0 20px 44px rgba(17,17,17,.10);
  --grad-navy:#111111;
  --grad-gold:#E11D2E;
  --font:'Hind Siliguri','Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --ease:cubic-bezier(.22,.75,.25,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--text);background:#fff;line-height:1.7;font-size:16.5px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--gold);color:var(--gold-ink)}
a{color:var(--navy);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--gold)}
a:focus-visible,.btn:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
img{max-width:100%;height:auto}
h1,h2,h3{color:var(--ink);line-height:1.25;font-weight:700;letter-spacing:-.01em}
section[id]{scroll-margin-top:96px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.visit-link{font-weight:700;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px}
.visit-link:hover{text-decoration-thickness:2.5px}

/* ---------- Topbar & header ---------- */
.topbar{background:#111111;color:#e8e8e8;font-size:14px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:10px 22px;flex-wrap:wrap;padding-top:9px;padding-bottom:9px}
.topbar a{color:#fff;font-weight:600}
.topbar a:hover{color:var(--gold-2)}
.topbar .visit-link{color:var(--gold-2)}
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(17,17,17,.06);transition:box-shadow .25s var(--ease)}
.site-header.scrolled{box-shadow:0 6px 24px rgba(17,17,17,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:15px 0}
.logo{font-weight:900;font-size:23px;color:var(--dark);letter-spacing:.2px;line-height:1.1}
.logo span{color:var(--gold)}
.logo small{display:block;font-size:11px;font-weight:700;letter-spacing:3.5px;color:var(--gold)}
.logo:hover{color:var(--dark)}
.main-nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.main-nav a{position:relative;display:inline-block;color:var(--text);font-weight:600;padding:8px 13px;border-radius:999px;transition:background .2s var(--ease),color .2s var(--ease)}
.main-nav a:hover{background:#f4f4f4;color:#111111}
.menu-toggle{display:none;background:#f4f4f4;border:1px solid var(--line);border-radius:12px;font-size:24px;line-height:1;padding:8px 13px;cursor:pointer;color:var(--navy)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 27px;border-radius:999px;font-weight:700;font-size:16px;line-height:1.35;border:2px solid transparent;cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease)}
.btn-primary{background:var(--grad-gold);color:var(--gold-ink);box-shadow:0 6px 16px rgba(225,29,46,.22)}
.btn-primary:hover{color:var(--gold-ink);transform:translateY(-2px);box-shadow:0 10px 22px rgba(225,29,46,.28)}
.btn-navy{background:#111111;color:#fff;box-shadow:0 6px 16px rgba(17,17,17,.18)}
.btn-navy:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(17,17,17,.24)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:#fff}
.btn-outline:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--navy);border-color:var(--gold)}
.btn-outline-light{border-color:rgba(255,255,255,.85);color:#fff;background:transparent}
.btn-outline-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.10);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

/* ---------- Hero & stats ---------- */
.hero{position:relative;overflow:hidden;background:#111111;color:#fff;padding:104px 0 112px}
.hero::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--red);pointer-events:none}
.hero::after{content:"";position:absolute;right:-130px;bottom:-170px;width:430px;height:430px;border-radius:50%;border:64px solid rgba(255,255,255,.05);pointer-events:none}
.hero-inner{position:relative;z-index:1;max-width:860px}
.hero-eyebrow{display:inline-block;margin:0 0 20px;padding:7px 17px;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(255,255,255,.10);font-weight:700;letter-spacing:2.5px;font-size:13.5px;color:#fff}
.hero h1{color:#fff;font-size:clamp(32px,5.2vw,56px);line-height:1.18;font-weight:800;margin:0 0 20px}
.hero h1 em{color:var(--gold-2);font-style:normal}
.hero-sub{font-size:clamp(17px,2vw,19.5px);max-width:700px;margin:0;color:rgba(255,255,255,.94)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-contact{margin:26px 0 0;font-size:15.5px;color:rgba(255,255,255,.92)}
.hero-contact a{color:#fff;font-weight:700}
.hero-contact a:hover{color:var(--gold-2)}
.hero-contact .visit-link{color:var(--gold-2)}
.stats{background:transparent;margin-top:-42px;position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;text-align:center;box-shadow:var(--shadow-md);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.stat:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.stat strong{display:block;font-size:clamp(27px,3vw,34px);font-weight:900;color:var(--navy);line-height:1.15}
.stat span{color:var(--muted);font-size:14.5px;font-weight:600}

/* ---------- Sections & cards ---------- */
.section{padding:88px 0}
.section.alt{background:var(--bg)}
.section h2{font-size:clamp(27px,3.6vw,36px);margin:0 0 12px}
.section .lead{color:var(--muted);max-width:760px;font-size:17.5px;margin:0}
.section-head{max-width:780px;margin-bottom:38px}
.section-head .lead{margin:0}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#111111}
.card h3{margin:0 0 10px;font-size:20.5px}
.card p{margin:0 0 12px}
.card p:last-child{margin-bottom:0}
.placeholder{border:2px dashed #cfcfcf;background:#fafafa;border-radius:var(--radius-sm);padding:18px;color:var(--navy);font-weight:600;text-align:center}
.video-box{aspect-ratio:16/9;background:#f5f5f5;border:1.5px dashed #c9c9c9;border-radius:var(--radius-sm);display:grid;place-items:center;padding:22px;text-align:center;font-weight:700;color:var(--navy);margin-bottom:18px}
.video-frame{aspect-ratio:16/9;border-radius:var(--radius-sm);overflow:hidden;margin-bottom:18px;background:#000000;border:1px solid var(--line)}
.video-frame iframe{width:100%;height:100%;display:block;border:0}
.booking-phone{font-size:24px;font-weight:800;margin:0 0 8px}
.booking-phone a{color:var(--ink)}
.booking-phone a:hover{color:var(--gold)}

/* ---------- Services (v1.2.0 — 10 services) ---------- */
.services-grid{align-items:stretch}
.service-card{position:relative;overflow:hidden;display:flex;flex-direction:column;padding:30px 26px 26px}
.service-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-gold);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.service-card:hover::before{transform:scaleX(1)}
.service-num{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:16px;background:var(--grad-navy);color:var(--gold-2);font-weight:800;font-size:18px;letter-spacing:.5px;box-shadow:0 6px 14px rgba(17,17,17,.16);margin-bottom:18px;transition:transform .25s var(--ease)}
.service-card:hover .service-num{transform:translateY(-3px) rotate(-3deg)}
.service-card h3{font-size:20px;line-height:1.45;margin:0 0 8px}
.service-card p{color:var(--muted);margin:0;font-size:16px}

/* ---------- Packages / pricing ---------- */
.packages-head{text-align:center;margin-bottom:40px}
.packages-head .lead{margin:0 auto}
.price-grid{align-items:stretch}
.price-card{display:flex;flex-direction:column;position:relative;padding:36px 28px 30px}
.price-card:hover{transform:translateY(-5px)}
.price-card h3{font-size:25px;margin:4px 0 6px}
.price-card .tier{margin:0;color:var(--red);font-weight:700;font-size:14.5px}
.price-card .price{margin:8px 0 0;line-height:1.2}
.price-card .price .amount{font-size:37px;font-weight:900;color:var(--navy)}
.price-card .price .per{font-size:16px;font-weight:700;color:var(--muted)}
.price-card .price-note{margin:2px 0 0;color:var(--muted);font-size:14px}
.price-card .features{list-style:none;margin:22px 0 28px;padding:0;flex:1}
.price-card .features li{position:relative;padding:9px 0 9px 32px;border-bottom:1px solid #f0f0f0;font-size:16px}
.price-card .features li:last-child{border-bottom:0}
.price-card .features li::before{content:"\2713";position:absolute;left:0;top:9px;width:21px;height:21px;border-radius:50%;background:var(--red-tint);color:var(--red-dark);display:grid;place-items:center;font-size:12px;font-weight:900}
.price-card .btn{margin-top:auto;width:100%}
.price-card.featured{border:2px solid var(--gold);box-shadow:0 18px 40px rgba(17,17,17,.12)}
.price-badge{position:absolute;top:-16px;left:50%;transform:translateX(-50%);background:var(--grad-gold);color:var(--gold-ink);font-weight:800;font-size:13.5px;padding:7px 18px;border-radius:999px;white-space:nowrap;box-shadow:0 6px 16px rgba(17,17,17,.16)}
.packages-note{text-align:center;color:var(--muted);margin:26px auto 0;max-width:760px}
@media(min-width:1025px){.price-card.featured{transform:scale(1.035)}.price-card.featured:hover{transform:scale(1.035) translateY(-5px)}}

/* ---------- Steps, pages, footer ---------- */
.steps{counter-reset:step}
.step h3::before{counter-increment:step;content:counter(step);display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--grad-navy);color:var(--gold-2);margin-right:11px;font-size:16.5px;font-weight:800;box-shadow:0 6px 14px rgba(17,17,17,.16);vertical-align:middle}
.page-hero{background:#fafafa;padding:52px 0;border-bottom:1px solid var(--line)}
.page-hero h1{margin:0;font-size:clamp(27px,4vw,38px)}
.content{padding:56px 0}
.site-footer{background:#111111;color:#e8e8e8;padding:64px 0 26px;margin-top:0}
.site-footer a{color:#fff}
.site-footer a:hover{color:var(--gold-2)}
.site-footer .visit-link{color:var(--gold-2)}
.footer-brand{font-size:21px;font-weight:800;letter-spacing:.3px;color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}
.footer-grid strong{color:#fff}
.footer-grid ul{list-style:none;margin:10px 0 0;padding:0}
.footer-grid li{margin:7px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:36px;padding-top:18px;font-size:14.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 16px}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:72px 0}
}
@media(max-width:860px){
  .menu-toggle{display:block}
  .main-nav{display:none;width:100%;order:3}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:4px;padding:12px 0 6px}
  .main-nav a{position:relative;display:block;padding:11px 14px}
  .header-inner{flex-wrap:wrap}
  .header-inner .btn{margin-left:auto}
  .footer-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .hero{padding:70px 0 88px}
}
@media(max-width:600px){
  .grid-3{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat{padding:20px 12px}
  .topbar .container{justify-content:center;text-align:center}
  .hero-actions .btn{width:100%}
  .section{padding:58px 0}
  .card{padding:24px 20px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* ---------- Client logos: auto-sliding marquee (v1.3.0) ---------- */
.logo-section{padding:64px 0 72px;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.logo-section h2{text-align:center;font-size:clamp(24px,3.2vw,32px);margin:0 0 8px}
.logo-section .lead{text-align:center;margin:0 auto 30px}
.logo-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.logo-track{display:flex;gap:18px;width:max-content;animation:sbads-marquee 42s linear infinite}
.logo-marquee:hover .logo-track{animation-play-state:paused}
.logo-slot{flex:0 0 auto;width:180px;height:96px;display:grid;place-items:center;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);padding:14px;color:var(--muted);font-weight:700;font-size:14.5px;text-align:center}
.logo-slot img{max-width:100%;max-height:64px;object-fit:contain}
@keyframes sbads-marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
/* ---------- Video grids (reviews & case studies, v1.3.0) ---------- */
.video-card{display:flex;flex-direction:column}
.video-card h3{font-size:19px}
.slot-note{color:var(--muted);font-size:14.5px;margin:0}
.section-eyebrow{display:inline-block;margin:0 0 10px;padding:5px 14px;border-radius:999px;background:var(--red-tint);color:var(--red-dark);font-weight:800;font-size:12.5px;letter-spacing:2px}
@media(max-width:600px){.logo-slot{width:150px;height:84px}}

/* v1.4.0 red accents */
.main-nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.main-nav a:hover::after{transform:scaleX(1)}
.section h2{border:0}
.hero h1 em{color:var(--gold-2)}
.logo small{color:var(--red)}