/* ============================================
   UltraCrawler — shared stylesheet
   ============================================ */

:root {
  --ink: #16192b;
  --ink-soft: #4b5166;
  --ink-faint: #7b8194;
  --bg: #ffffff;
  --bg-alt: #f7f8fb;
  --line: #e6e8f0;
  --accent: #3454d1;
  --accent-dark: #253d9e;
  --accent-soft: #eef1fc;
  --accent-soft-line: #dbe1fa;
  --ok: #1a8a5f;
  --radius: 10px;
  --max: 1120px;
  --shadow: 0 2px 6px rgba(22, 25, 43, 0.05), 0 12px 30px rgba(22, 25, 43, 0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.brand:hover { color: var(--ink); }

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #6c86e8);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.brand-mark svg { width: 18px; height: 18px; }

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

nav.main-nav a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
}

nav.main-nav a:hover { color: var(--ink); }

nav.main-nav a.current {
  color: var(--accent);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  display: block;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.06s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(37, 61, 158, 0.15);
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-block { width: 100%; }

.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 80px;
  background:
    radial-gradient(1100px 420px at 85% -10%, var(--accent-soft), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}

.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }

/* Single watermark image, shown once per page at native size — never tiled, never fixed (keeps scrolling cheap) */
.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/ultraspider-bg.png");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: auto;
  opacity: 0.12;
  mix-blend-mode: multiply;
  z-index: 0;
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft-line);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin: 0 0 32px;
  max-width: 46ch;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }

.hero-note { font-size: 0.85rem; color: var(--ink-faint); }

/* Hero visual: pipeline card */

.hero-visual {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.pipeline-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-alt);
  margin-bottom: 12px;
}

.pipeline-row:last-child { margin-bottom: 0; }

.pipeline-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.pipeline-icon svg { width: 18px; height: 18px; }

.pipeline-text .t1 { font-weight: 600; font-size: 0.92rem; color: var(--ink); }
.pipeline-text .t2 { font-size: 0.8rem; color: var(--ink-faint); }

.pipeline-arrow {
  display: flex;
  justify-content: center;
  color: var(--ink-faint);
  margin: -2px 0;
}

/* ---------- Sections ---------- */

section { padding: 88px 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head {
  max-width: 640px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-head.left { margin-left: 0; text-align: left; }

.kicker {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: 2.1rem;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}

.section-head p { color: var(--ink-soft); font-size: 1.05rem; margin: 0; }

/* ---------- Grids / cards ---------- */

.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 {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon svg { width: 22px; height: 22px; }

.card h3 { font-size: 1.1rem; margin: 0 0 10px; letter-spacing: -0.01em; }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.95rem; }

/* Steps */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}

.step { position: relative; padding-left: 4px; }

.step .num {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.step h3 { margin: 0 0 10px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* Stats */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat .num { font-size: 2.1rem; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.stat .label { color: var(--ink-faint); font-size: 0.88rem; margin-top: 6px; }

/* Logos-ish compatibility strip */

.compat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.compat-pill {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
}

/* ---------- CTA band ---------- */

.cta-band {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 20px;
  padding: 56px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band h2 { margin: 0 0 8px; font-size: 1.7rem; letter-spacing: -0.01em; }
.cta-band p { margin: 0; color: rgba(255, 255, 255, 0.85); }
.cta-band .btn-primary { background: #fff; color: var(--accent-dark); }
.cta-band .btn-primary:hover { background: #f1f3fd; }

/* ---------- Forms ---------- */

.form-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 40px;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.field { margin-bottom: 20px; }
.field.full { grid-column: 1 / -1; }

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 8px;
  color: var(--ink);
}

.field .hint { font-weight: 400; color: var(--ink-faint); font-size: 0.82rem; }

.field input[type="text"],
.field input[type="email"],
.field input[type="url"],
.field textarea,
.field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--bg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field textarea { resize: vertical; min-height: 120px; }

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.checkbox-row input { margin-top: 3px; }

.form-note {
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin-top: 14px;
  text-align: center;
}

.form-success {
  display: none;
  align-items: flex-start;
  gap: 14px;
  background: #ecf8f2;
  border: 1px solid #c6ead9;
  color: #146142;
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 24px;
  font-size: 0.92rem;
}

.form-success.show { display: flex; }

.form-success svg { flex: none; margin-top: 2px; }

.form-error {
  display: none;
  background: #fdecec;
  border: 1px solid #f5c2c2;
  color: #8f2020;
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.form-error.show { display: block; }

.captcha-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.captcha-row img {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-alt);
  flex: none;
}

.captcha-row input { flex: 1; }

.captcha-hint {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin: 6px 0 0;
}

/* ---------- Contact info cards ---------- */

.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--bg-alt);
}

.contact-card .card-icon { background: #fff; }
.contact-card h3 { margin: 0 0 6px; font-size: 1rem; }
.contact-card p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }
.contact-card a { font-weight: 600; }

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
}

.page-hero .wrap { position: relative; z-index: 1; }

.page-hero h1 { font-size: 2.4rem; margin: 0 0 14px; letter-spacing: -0.02em; }
.page-hero p { color: var(--ink-soft); font-size: 1.05rem; max-width: 60ch; margin: 0; }

.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--ink-faint); }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Values / about ---------- */

.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.value-item { display: flex; gap: 16px; }

.value-item .card-icon { margin-bottom: 0; flex: none; }

.value-item h3 { margin: 0 0 6px; font-size: 1rem; }
.value-item p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-split img,
.about-split .placeholder-art {
  border-radius: 14px;
  border: 1px solid var(--line);
}

.placeholder-art {
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(135deg, var(--accent-soft), #fff 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.placeholder-art svg { width: 96px; height: 96px; opacity: 0.5; }

.timeline { border-left: 2px solid var(--line); padding-left: 28px; display: flex; flex-direction: column; gap: 28px; }

.timeline-item { position: relative; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  border: 3px solid var(--accent-soft);
}
.timeline-item .when { font-size: 0.8rem; color: var(--accent); font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; margin-bottom: 4px; }
.timeline-item h3 { margin: 0 0 6px; font-size: 1.02rem; }
.timeline-item p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- FAQ ---------- */

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { color: var(--ink-faint); transition: transform 0.15s ease; flex: none; }
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item p { margin: 12px 0 0; color: var(--ink-soft); font-size: 0.94rem; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: #c7cbe0;
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { color: #9ea3c0; font-size: 0.9rem; max-width: 32ch; }

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #b8bcd6; font-size: 0.92rem; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.85rem;
  color: #8c91b0;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  nav.main-nav { display: none; }
  nav.main-nav.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 16px;
  }
  nav.main-nav.open a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  nav.main-nav.open a:last-child { border-bottom: none; }
  .nav-toggle { display: flex; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.3rem; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .grid-2, .about-split, .form-grid, .value-list { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 28px; }
  .form-card { padding: 26px; }
}

@media (max-width: 560px) {
  section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .nav-cta { gap: 10px; }
  .nav-cta .btn { display: none; }
}