/* Varkson — AI-first site styles (brand: red #B61B1F, charcoal #232323, Raleway) */
:root {
  --bg: #ffffff;
  --bg-2: #f6f6f7;
  --card: #ffffff;
  --ink: #1d1d20;
  --line: rgba(35, 35, 35, 0.11);
  --text: #232323;
  --muted: #5d626b;
  --brand: #b61b1f;
  --brand-dark: #8f1417;
  --brand-2: #d92d33;
  --brand-soft: rgba(182, 27, 31, 0.08);
  --grad: linear-gradient(120deg, #8f1417 0%, #b61b1f 50%, #de3b40 100%);
  --radius: 16px;
  --max: 1160px;
  --shadow: 0 10px 34px rgba(35, 35, 35, 0.08);
  --font: "Raleway", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.02em; font-weight: 800; }
p { margin: 0 0 1em; }
.container { width: min(var(--max), 100% - 40px); margin-inline: auto; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--brand); border-radius: 2px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: #fff; color: #000; padding: 8px 12px; border-radius: 8px; z-index: 100; box-shadow: var(--shadow); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, .9);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; }
.logo img { height: 46px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: .95rem; font-weight: 600; color: var(--muted); transition: color .2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--brand); }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 8px 12px; font-size: 1rem; cursor: pointer; font-family: inherit; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 999px; font-weight: 700; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s;
  font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 24px rgba(182, 27, 31, .28); }
.btn-primary:hover { transform: translateY(-2px); background: var(--brand-dark); box-shadow: 0 12px 30px rgba(182, 27, 31, .36); }
.btn-ghost { border-color: rgba(35,35,35,.2); color: var(--text); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: #fff; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 92px 0 84px; background: var(--bg-2); }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 90%;
  background:
    radial-gradient(560px 300px at 15% 20%, rgba(182,27,31,.13), transparent 70%),
    radial-gradient(520px 300px at 85% 10%, rgba(35,35,35,.06), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; opacity: .5;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 70%);
  pointer-events: none;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.8rem); margin-bottom: .45em; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 560px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.badge {
  font-size: .8rem; font-weight: 600; color: var(--muted); border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 999px; background: #fff;
}

/* Hero pipeline visual (dark charcoal panel) */
.pipeline {
  background: var(--ink); color: #e9e9ec;
  border: 1px solid rgba(255,255,255,.08); border-radius: 20px; padding: 22px;
  box-shadow: 0 30px 70px rgba(29,29,32,.28);
}
.pipe-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: #3b3b42; display: block; }
.dots i:first-child { background: var(--brand-2); }
.pipe-title { font-size: .8rem; color: #9b9ba5; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.steps { display: grid; gap: 12px; }
.step {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px;
  border: 1px solid rgba(255,255,255,.1); border-radius: 12px; background: rgba(255,255,255,.03);
  opacity: .55; transition: opacity .4s, border-color .4s, background .4s;
}
.step.active { opacity: 1; border-color: rgba(222,59,64,.75); background: rgba(182,27,31,.16); }
.step .ic { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08); color: #fff; display: grid; place-items: center; flex: none; }
.step b { display: block; font-size: .95rem; }
.step span { font-size: .82rem; color: #a6a6b0; }
.step .state { margin-left: auto; font-size: .72rem; font-family: ui-monospace, monospace; color: #ff8a8e; opacity: 0; transition: opacity .3s; white-space: nowrap; }
.step.active .state { opacity: 1; }

/* Sections */
section { padding: 92px 0; }
.section-alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.center { text-align: center; margin-inline: auto; }
.center .eyebrow { justify-content: center; }

.cards { display: grid; gap: 22px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  box-shadow: 0 2px 10px rgba(35,35,35,.04);
  transition: transform .25s, border-color .25s, box-shadow .25s; position: relative;
}
.card:hover { transform: translateY(-4px); border-color: rgba(182,27,31,.45); box-shadow: var(--shadow); }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 18px;
}
.card h3 { font-size: 1.2rem; }
.card p { color: var(--muted); font-size: .97rem; }
.card ul { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 8px; }
.card li { color: var(--muted); font-size: .92rem; padding-left: 22px; position: relative; }
.card li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 800; }
.card.feature { padding: 34px; }
.card.small { padding: 22px; }
.card.small h3 { font-size: 1.02rem; margin-bottom: .3em; }
.card.small p { font-size: .9rem; margin: 0; }

/* Process */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: p; }
.proc { padding: 26px 0 0; border-top: 2px solid var(--line); position: relative; }
.proc::before {
  counter-increment: p; content: "0" counter(p);
  font-family: ui-monospace, monospace; font-size: .85rem; font-weight: 700; color: var(--brand);
}
.proc::after { content: ""; position: absolute; top: -2px; left: 0; width: 44px; height: 2px; background: var(--brand); }
.proc h3 { font-size: 1.15rem; margin-top: 8px; }
.proc p { color: var(--muted); font-size: .95rem; }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.checklist { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 14px; }
.checklist li { display: flex; gap: 12px; color: var(--muted); }
.checklist li b { color: var(--text); }
.checklist li::before { content: "✓"; flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; font-size: .8rem; font-weight: 800; margin-top: 2px; }

.doc-demo { background: var(--bg-2); border: 1px solid var(--line); border-radius: 20px; padding: 22px; box-shadow: var(--shadow); }
.doc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.doc-paper { background: #fff; color: #1b2440; border: 1px solid var(--line); border-radius: 12px; padding: 18px; font-size: .78rem; font-family: ui-monospace, monospace; line-height: 1.7; position: relative; overflow: hidden; }
.doc-paper .scan { position: absolute; left: 0; right: 0; height: 36px; background: linear-gradient(180deg, transparent, rgba(182,27,31,.28), transparent); animation: scan 3.2s ease-in-out infinite; }
@keyframes scan { 0% { top: -40px; } 100% { top: 100%; } }
.doc-json { background: var(--ink); border-radius: 12px; padding: 18px; font-family: ui-monospace, monospace; font-size: .78rem; color: #c9c9d1; line-height: 1.7; }
.doc-json .k { color: #ff9a9d; } .doc-json .v { color: #f4f4f6; } .doc-json .c { color: #ffd479; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { font-size: .78rem; font-weight: 600; color: var(--brand); border: 1px solid rgba(182,27,31,.35); background: #fff; border-radius: 999px; padding: 4px 12px; }

/* CTA */
.cta-band {
  border-radius: 24px; padding: 60px 40px; text-align: center; color: #fff;
  background: radial-gradient(500px 220px at 50% 0%, rgba(222,59,64,.45), transparent 70%), var(--ink);
}
.cta-band h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
.cta-band p { color: #c8c8d0; max-width: 560px; margin: 0 auto 26px; }
.cta-band .btn-primary { box-shadow: 0 8px 26px rgba(182,27,31,.5); }

/* Page hero (inner pages) */
.page-hero { padding: 84px 0 40px; position: relative; overflow: hidden; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.page-hero::before { content: ""; position: absolute; inset: -40% 0 auto 0; height: 100%; background: radial-gradient(600px 260px at 25% 20%, rgba(182,27,31,.12), transparent 70%); pointer-events: none; }
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); max-width: 820px; }
.page-hero p { color: var(--muted); font-size: 1.1rem; max-width: 680px; }
.page-hero + section { padding-top: 56px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; }
.contact-info .item { display: flex; gap: 14px; margin-bottom: 22px; }
.contact-info .item .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex: none; }
.contact-info small { display: block; color: var(--muted); font-size: .9rem; }
.contact-info small a:hover { color: var(--brand); }
form.contact { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 30px; display: grid; gap: 16px; box-shadow: var(--shadow); }
.field label { display: block; font-size: .85rem; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 12px 14px; font-family: inherit; font-size: .95rem;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; background: #fff; }
.field textarea { min-height: 130px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: .82rem; color: var(--muted); margin: 0; }
.alert { padding: 12px 16px; border-radius: 10px; font-size: .92rem; margin-bottom: 4px; }
.alert.ok { background: rgba(25,135,84,.1); border: 1px solid rgba(25,135,84,.4); }
.alert.err { background: rgba(182,27,31,.08); border: 1px solid rgba(182,27,31,.4); }
.map { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; margin-top: 8px; }
.map iframe { width: 100%; height: 240px; border: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 30px; background: var(--bg-2); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.foot-grid h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; color: var(--text); }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-grid a { color: var(--muted); font-size: .93rem; }
.foot-grid a:hover { color: var(--brand); }
.foot-grid p { color: var(--muted); font-size: .93rem; max-width: 300px; }
.copy { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 22px; color: var(--muted); font-size: .85rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .cards-3, .cards-4, .process { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  section { padding: 68px 0; }
  .hero { padding: 64px 0; }
  .menu-btn { display: block; }
  .logo img { height: 34px; }
  .nav-links {
    position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: flex-start;
    background: #fff; border-bottom: 1px solid var(--line); padding: 20px; gap: 16px; display: none;
  }
  .nav-links.open { display: flex; }
  .cards-2, .cards-3, .cards-4, .process, .row-2, .doc-row { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 22px; }
}
.logo img { mix-blend-mode: multiply; }

/* Typography polish: lining numerals (Raleway defaults to old-style figures, which look uneven in phone numbers and addresses) */
body { font-variant-numeric: lining-nums; font-feature-settings: "lnum" 1, "kern" 1; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
h1, h2, h3, h4 { letter-spacing: -0.01em; }
.contact-info small { font-size: .95rem; color: #4a4a52; font-weight: 500; line-height: 1.5; }
.contact-info .item b { font-size: 1.05rem; letter-spacing: 0; }