/* ============================================================
   Voltage — Growth Marketing Agency (bold dark neon, multipage)
   AnubTech demo
============================================================ */

:root {
  --bg: #0a0710;
  --bg-2: #120c1c;
  --panel: #171021;
  --line: #2a2038;
  --ink: #f4f0fa;
  --slate: #b9aecb;
  --muted: #8a7ea0;
  --brand: #a855f7;      /* purple */
  --brand-2: #ec4899;    /* pink */
  --accent: #d4ff4f;     /* lime */
  --cyan: #38e0f0;
  --grad: linear-gradient(100deg, #a855f7, #ec4899 55%, #ff8a3d);
  --grad-2: linear-gradient(120deg, #38e0f0, #a855f7);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 30px 70px -30px rgba(168,85,247,.5);
  --maxw: 1180px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--ink); background: var(--bg); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section { padding: clamp(60px, 8vw, 116px) 0; }
.section--panel { background: var(--bg-2); }

.eyebrow { font-family: var(--font-display); font-weight: 600; letter-spacing: .18em; text-transform: uppercase; font-size: .76rem; color: var(--accent); margin-bottom: 16px; }
.h1 { font-family: var(--font-display); font-size: clamp(2.4rem, 6vw, 4.6rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.02; }
.h2 { font-family: var(--font-display); font-size: clamp(1.9rem, 4.2vw, 3.1rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.08; }
.h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; letter-spacing: -.01em; }
.lead { font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--slate); }
.muted { color: var(--muted); }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section__head { max-width: 680px; margin-bottom: 54px; }
.center { text-align: center; margin-inline: auto; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; font-family: var(--font-display); font-weight: 600; cursor: pointer; border: none; padding: 13px 26px; border-radius: 999px; transition: transform .16s, box-shadow .16s, opacity .16s, background .2s; font-size: .96rem; }
.btn--lg { padding: 16px 34px; font-size: 1.02rem; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 14px 34px -12px rgba(236,72,153,.7); background-size: 140% 140%; }
.btn--primary:hover { transform: translateY(-2px); background-position: 100% 0; }
.btn--lime { background: var(--accent); color: #10130a; }
.btn--lime:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(212,255,79,.6); }
.btn--ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn--ghost:hover { border-color: var(--brand); color: #fff; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(10,7,16,.72); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -.02em; }
.logo__mark { width: 32px; height: 32px; border-radius: 9px; background: var(--grad); display: grid; place-items: center; font-size: 1rem; color: #fff; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links > a { font-weight: 500; color: var(--slate); font-size: .96rem; transition: color .2s; }
.nav-links > a:hover, .nav-links > a.is-active { color: var(--ink); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: .3s; }

/* Hero */
.hero { position: relative; padding: clamp(60px, 9vw, 118px) 0 clamp(50px, 7vw, 96px); overflow: hidden; }
.hero::before { content: ""; position: absolute; top: -260px; left: 50%; transform: translateX(-50%); width: 900px; height: 700px; background: radial-gradient(closest-side, rgba(168,85,247,.28), transparent 70%); z-index: -1; }
.hero::after { content: ""; position: absolute; top: -120px; right: -140px; width: 460px; height: 460px; background: radial-gradient(circle, rgba(236,72,153,.22), transparent 70%); z-index: -1; }
.hero__inner { max-width: 860px; }
.hero__pill { display: inline-flex; align-items: center; gap: 9px; background: rgba(212,255,79,.1); border: 1px solid rgba(212,255,79,.3); color: var(--accent); font-family: var(--font-display); font-weight: 500; font-size: .82rem; padding: 7px 16px; border-radius: 999px; margin-bottom: 24px; }
.hero__title { margin-bottom: 24px; }
.hero__lead { max-width: 620px; margin-bottom: 36px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero__metrics { display: flex; gap: 48px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 30px; }
.hero__metrics div strong { font-family: var(--font-display); display: block; font-size: 2.1rem; font-weight: 700; letter-spacing: -.02em; }
.hero__metrics div span { color: var(--muted); font-size: .86rem; }

/* Logo strip */
.logos { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 28px 0; }
.logos p { text-align: center; color: var(--muted); font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 18px; }
.logos__row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 26px; }
.logos__row span { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; color: var(--slate); opacity: .6; }

/* Cards / services */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; transition: transform .22s, border-color .22s, box-shadow .22s; overflow: hidden; }
.card:hover { transform: translateY(-5px); border-color: transparent; box-shadow: var(--shadow); }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad); opacity: 0; transition: opacity .22s; }
.card:hover::before { opacity: 1; }
.card__icon { width: 52px; height: 52px; border-radius: 13px; background: rgba(168,85,247,.14); color: var(--brand); display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 18px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--slate); font-size: .97rem; }
.card__link { display: inline-block; margin-top: 16px; color: var(--accent); font-family: var(--font-display); font-weight: 600; font-size: .9rem; }
.card__link:hover { text-decoration: underline; }

/* Metrics / counters */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.metric { text-align: center; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 20px; }
.metric strong { font-family: var(--font-display); display: block; font-size: clamp(2.4rem, 5vw, 3.4rem); font-weight: 700; letter-spacing: -.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric span { color: var(--muted); font-size: .9rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; background: var(--panel); }
.step__num { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; width: 40px; height: 40px; border-radius: 10px; background: var(--grad); color: #fff; display: grid; place-items: center; margin-bottom: 16px; }
.step h3 { margin-bottom: 8px; font-size: 1.12rem; }
.step p { color: var(--slate); font-size: .94rem; }

/* Case studies */
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.case { position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--panel); transition: transform .22s, border-color .22s; }
.case:hover { transform: translateY(-5px); border-color: var(--brand); }
.case__img { aspect-ratio: 16/10; overflow: hidden; }
.case__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case:hover .case__img img { transform: scale(1.05); }
.case__body { padding: 26px 28px 30px; }
.case__cat { font-family: var(--font-display); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.case__body h3 { margin: 8px 0 12px; font-size: 1.4rem; }
.case__body p { color: var(--slate); font-size: .96rem; }
.case__stats { display: flex; gap: 26px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.case__stats strong { font-family: var(--font-display); display: block; font-size: 1.5rem; color: var(--accent); }
.case__stats span { color: var(--muted); font-size: .78rem; }

/* Testimonial */
.testi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(32px, 5vw, 56px); position: relative; overflow: hidden; }
.testi::before { content: ""; position: absolute; top: -60px; right: -40px; width: 220px; height: 220px; background: radial-gradient(circle, rgba(236,72,153,.18), transparent 70%); }
.testi blockquote { font-family: var(--font-display); font-size: clamp(1.35rem, 2.8vw, 2rem); font-weight: 500; line-height: 1.35; position: relative; }
.testi__by { display: flex; align-items: center; gap: 14px; margin-top: 28px; }
.testi__by img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.testi__by span { color: var(--muted); display: block; font-size: .9rem; }

/* CTA */
.cta { position: relative; border-radius: var(--radius-lg); padding: clamp(44px, 6vw, 78px); text-align: center; overflow: hidden; background: linear-gradient(130deg, #1c1030, #2a123a); border: 1px solid var(--line); }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 30% 0%, rgba(168,85,247,.35), transparent 60%); }
.cta > * { position: relative; }
.cta p { color: var(--slate); max-width: 540px; margin: 16px auto 30px; }

/* Page hero */
.page-hero { padding: clamp(56px, 8vw, 100px) 0 clamp(20px, 4vw, 40px); position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; top: -180px; left: 30%; width: 600px; height: 500px; background: radial-gradient(closest-side, rgba(168,85,247,.22), transparent 70%); z-index: -1; }
.page-hero .lead { margin-top: 16px; max-width: 660px; }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; }
.price--featured { border-color: var(--brand); box-shadow: var(--shadow); position: relative; }
.price--featured::before { content: "Most popular"; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #fff; font-family: var(--font-display); font-size: .72rem; font-weight: 600; padding: 5px 14px; border-radius: 999px; }
.price h3 { font-size: 1.2rem; }
.price__amt { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; letter-spacing: -.02em; margin: 12px 0 4px; }
.price__amt span { font-size: 1rem; font-weight: 400; color: var(--muted); font-family: var(--font-body); }
.price ul { list-style: none; margin: 22px 0 26px; display: grid; gap: 11px; }
.price li { display: flex; gap: 10px; color: var(--slate); font-size: .95rem; }
.price li::before { content: "✓"; color: var(--accent); font-weight: 800; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; }
.contact-info li { list-style: none; display: flex; gap: 14px; margin-bottom: 22px; }
.contact-info .ic { width: 46px; height: 46px; border-radius: 12px; background: rgba(168,85,247,.14); color: var(--brand); display: grid; place-items: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-info strong { display: block; }
.contact-info span { color: var(--muted); }
.form { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 7px; }
.field input, .field select, .field textarea { width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; font: inherit; color: var(--ink); background: var(--bg); transition: border .2s; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); }
.field select option { background: var(--bg-2); }
.form-note { margin-top: 14px; text-align: center; font-weight: 600; color: var(--accent); }

/* Footer */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line); color: var(--slate); padding-top: 62px; }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.site-footer .logo { color: #fff; margin-bottom: 14px; }
.site-footer p { color: var(--muted); font-size: .95rem; max-width: 280px; }
.site-footer h4 { color: #fff; font-family: var(--font-display); font-size: .95rem; margin-bottom: 14px; }
.site-footer ul { list-style: none; display: grid; gap: 10px; }
.site-footer ul a, .site-footer ul li { color: var(--muted); font-size: .94rem; }
.site-footer ul a:hover { color: #fff; }
.site-footer__base { border-top: 1px solid var(--line); padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .88rem; color: var(--muted); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s, transform .7s; }
.reveal.is-visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .nav-links { position: fixed; inset: 74px 0 auto 0; flex-direction: column; align-items: flex-start; gap: 4px; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 16px 24px 24px; transform: translateY(-130%); transition: transform .3s; }
  .nav-links.is-open { transform: none; }
  .nav-links > a { width: 100%; padding: 12px 0; }
  .nav-links .btn { width: 100%; margin-top: 8px; }
  .nav-toggle { display: flex; }
  .grid-3, .steps, .metrics, .price-grid { grid-template-columns: 1fr 1fr; }
  .cases, .grid-2, .contact-grid { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid-3, .steps, .metrics, .price-grid, .form-row { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; }
}