/* ============================================================
   SpiderView — лендинг. Стили.
   Дизайн-токены и компоненты по макету SpiderView.dc.html.
   Mobile-first. Правь текст в index.html, а вид — здесь.
   ============================================================ */

:root {
  /* Цвета */
  --bg: #FAFAF8;          /* фон страницы (тёплый off-white) */
  --surface: #FFFFFF;     /* карточки */
  --dark: #0f172a;        /* тёмная панель + основной текст */
  --text-2: #475569;      /* вторичный текст */
  --text-3: #64748b;      /* приглушённый текст */
  --muted: #94a3b8;       /* метки */
  --accent: #ffc107;      /* амбер */
  --accent-2: #f59e0b;    /* стрелки/тёмный акцент */
  --accent-text: #b45309; /* акцентный текст на светлом */
  --accent-hover: #92400e;
  --accent-dark: #fbbf24; /* акцент на тёмном */
  --border: #E7E3DA;      /* тёплые границы */
  --border-2: #E2E8F0;    /* нейтральные */
  --border-3: #EEF0F3;
  --result-bg: #FCFBF7;
  --result-border: #F0E9D6;
  --field-bg: #FAFAF8;
  --chip-bg: #F1F5F9;

  /* Шрифты */
  --f-head: 'Space Grotesk', sans-serif;
  --f-body: 'Inter', system-ui, sans-serif;
  --f-mono: 'IBM Plex Mono', monospace;

  /* Слой */
  --maxw: 1120px;
  --pad: clamp(18px, 5vw, 48px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  margin: 0;
  background: var(--bg);
  font-family: var(--f-body);
  -webkit-font-smoothing: antialiased;
  color: var(--dark);
  line-height: 1.5;
  overflow-x: clip;
  max-width: 100%;
}

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

img { max-width: 100%; }

@keyframes svpulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: .5; }
}

/* ---------- Раскладка ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

section { scroll-margin-top: 80px; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 12px;
  font-family: var(--f-body);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: box-shadow .15s ease, background .15s ease, transform .05s ease;
}
.btn:active { transform: translateY(1px); }
.btn .arrow { font-size: 17px; line-height: 1; }

.btn-primary {
  background: var(--accent);
  color: var(--dark);
  font-size: 15.5px;
  padding: 15px 24px;
  box-shadow: 0 8px 22px -8px rgba(255,193,7,.85);
}
.btn-primary:hover { color: var(--dark); box-shadow: 0 10px 26px -8px rgba(255,193,7,1); }

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--dark);
  font-size: 15px;
  padding: 15px 22px;
}
.btn-secondary:hover { color: var(--dark); background: rgba(15,23,42,.03); }

.btn-sm {
  background: var(--accent);
  color: var(--dark);
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: 11px;
  white-space: nowrap;
  box-shadow: 0 6px 16px -8px rgba(255,193,7,.9);
}
.btn-sm:hover { color: var(--dark); }

.btn-block { width: 100%; padding: 15px; }

/* ---------- Общие компоненты ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,193,7,.5);
  background: rgba(255,193,7,.1);
  border-radius: 999px;
  padding: 6px 13px;
}
.badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); display: block;
}
.badge span:last-child {
  font: 500 10.5px var(--f-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.section-heading {
  margin: 18px 0 0;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: clamp(26px, 3.8vw, 42px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--dark);
  text-wrap: balance;
}

.highlight {
  background: var(--accent);
  color: var(--dark);
  padding: 0 8px;
  border-radius: 6px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.eyebrow { max-width: 900px; }

/* ---------- Хедер ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,250,248,.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 24px; width: auto; display: block; }
.brand span {
  font: 700 15px var(--f-body);
  letter-spacing: .15em;
  color: var(--dark);
}
.nav-desktop { display: flex; align-items: center; gap: 26px; }
.nav-desktop a { font: 500 14px var(--f-body); color: var(--text-2); }
.nav-desktop a:hover { color: var(--dark); }
.header-actions { display: flex; align-items: center; gap: 14px; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}
.burger span {
  width: 22px; height: 2px; background: var(--dark);
  display: block; border-radius: 2px;
}

.nav-mobile { display: none; border-top: 1px solid var(--border); background: var(--bg); }
.nav-mobile.open { display: block; }
.nav-mobile .container { display: flex; flex-direction: column; padding-top: 10px; padding-bottom: 10px; }
.nav-mobile a {
  font: 500 15px var(--f-body);
  color: var(--dark);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-3);
}
.nav-mobile a:last-child { border-bottom: none; }

@media (max-width: 880px) {
  .nav-desktop { display: none; }
  .burger { display: flex; }
}

/* ---------- Hero ---------- */
main#top { padding-top: clamp(36px, 7vw, 80px); }

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}
.hero h1 {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: clamp(32px, 5.6vw, 56px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--dark);
  text-wrap: balance;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.stats-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 22px 44px -26px rgba(15,23,42,.35);
}
.stats-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid var(--border-3);
}
.stats-head .label {
  font: 500 10.5px var(--f-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.stats-head .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); display: block;
  animation: svpulse 2s ease-in-out infinite;
}
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; }
.stat-cell { padding: 22px 20px; }
.stat-cell.br { border-right: 1px solid var(--border-3); }
.stat-cell.bb { border-bottom: 1px solid var(--border-3); }
.stat-num {
  font: 600 clamp(26px, 3vw, 32px) var(--f-mono);
  letter-spacing: -.02em;
  color: var(--dark);
  display: flex; align-items: baseline; gap: 6px;
}
.stat-num .up { color: var(--accent-2); font-size: 18px; }
.stat-label {
  margin-top: 8px;
  font: 500 10px var(--f-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
  line-height: 1.4;
}

/* ---------- Проблемы ---------- */
#pains { padding: clamp(56px, 8vw, 104px) 0 clamp(24px, 4vw, 48px); }
.pains-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 20px;
}
.pain-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 16px;
  padding: 30px 28px 32px 26px;
}
.pain-card h3 {
  margin: 0;
  font: 600 16.5px var(--f-body);
  letter-spacing: -.01em;
  color: var(--dark);
}
.pain-card p {
  margin: 14px 0 0;
  font: 400 14px/1.7 var(--f-body);
  color: var(--text-3);
}

/* ---------- Услуги ---------- */
#services { padding: clamp(48px, 7vw, 90px) 0 clamp(40px, 7vw, 80px); }
#services .lead {
  margin: 16px 0 0;
  font: 400 clamp(15px, 1.5vw, 17px)/1.6 var(--f-body);
  color: var(--text-2);
  max-width: 560px;
}
.services-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 14px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 12px -8px rgba(15,23,42,.18);
}
.service-top { display: flex; align-items: center; justify-content: space-between; }
.service-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: 9px;
  background: rgba(255,193,7,.14);
  border: 1px solid rgba(255,193,7,.4);
  font: 600 12px var(--f-mono);
  color: var(--accent-text);
}
.service-cat {
  font: 500 10px var(--f-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.service-card h3 {
  margin: 16px 0 0;
  font: 600 18px var(--f-body);
  letter-spacing: -.01em;
  color: var(--dark);
}
.service-card p {
  margin: 8px 0 0;
  font: 400 14px/1.55 var(--f-body);
  color: var(--text-3);
}

/* ---------- Кейсы ---------- */
#cases { padding: clamp(48px, 7vw, 90px) 0 clamp(40px, 6vw, 70px); }
.cases-head {
  display: flex; flex-wrap: wrap;
  align-items: flex-end; justify-content: space-between;
  gap: 12px; margin-top: 18px;
}
.cases-head > div { max-width: 600px; }
.cases-head h2 { margin: 0; }
.cases-head p { margin: 12px 0 0; font: 400 14.5px/1.55 var(--f-body); color: var(--text-3); }
.cases-hint { font: 500 12px var(--f-mono); letter-spacing: .06em; color: var(--muted); }

.cases-row {
  margin-top: 30px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 18px;
  -webkit-overflow-scrolling: touch;
}
.case-card {
  flex: 0 0 auto;
  width: min(92vw, 560px);
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 14px 30px -22px rgba(15,23,42,.4);
  display: flex;
  flex-direction: column;
}
.browser { background: var(--chip-bg); border-bottom: 1px solid var(--border); }
.browser-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px; background: var(--surface);
  border-bottom: 1px solid var(--border-3);
}
.browser-dots { display: flex; gap: 6px; }
.browser-dots span { width: 9px; height: 9px; border-radius: 50%; background: var(--border-2); display: block; }
.browser-url {
  flex: 1; display: flex; align-items: center; gap: 7px;
  height: 26px; background: var(--chip-bg);
  border: 1px solid var(--border-3); border-radius: 7px;
  padding: 0 11px; font: 500 11px var(--f-mono); color: var(--muted);
}
.case-shot { position: relative; background: var(--chip-bg); }
.case-shot img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; }
.case-body { padding: 26px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.case-tags span {
  font: 500 10px var(--f-mono);
  letter-spacing: .06em;
  color: var(--text-3);
  background: var(--chip-bg);
  padding: 4px 8px; border-radius: 6px;
}
.case-body h3 { margin: 14px 0 0; font: 600 21px var(--f-body); letter-spacing: -.01em; color: var(--dark); }
.case-meta { margin-top: 4px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.case-niche { font: 500 12.5px var(--f-mono); color: var(--muted); }
.case-link {
  display: inline-flex; align-items: center; gap: 5px;
  font: 500 12px var(--f-mono); color: var(--accent-text);
  border: 1px solid rgba(255,193,7,.5); background: rgba(255,193,7,.1);
  padding: 2px 8px; border-radius: 6px;
}
.case-blocks { margin-top: 20px; display: flex; flex-direction: column; gap: 16px; }
.case-blocks .k {
  font: 500 10px var(--f-mono);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-text); margin-bottom: 5px;
}
.case-blocks p { margin: 0; font: 400 13.5px/1.55 var(--f-body); color: var(--text-2); }
.case-result {
  margin-top: 20px;
  background: var(--result-bg);
  border: 1px solid var(--result-border);
  border-radius: 12px;
  padding: 16px;
}
.case-result .k {
  font: 500 10px var(--f-mono);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-text);
}
.case-result .big { margin: 5px 0 6px; font: 600 16px var(--f-mono); color: var(--dark); }
.case-result p { margin: 0; font: 400 13px/1.5 var(--f-body); color: var(--text-2); }

/* ---------- Как работаем ---------- */
#process { padding: clamp(48px, 7vw, 90px) 0; }
.process-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.step-num { font: 600 30px var(--f-mono); color: var(--accent); line-height: 1; }
.step-card h3 { margin: 14px 0 0; font: 600 17px var(--f-body); color: var(--dark); }
.step-card p { margin: 8px 0 0; font: 400 13.5px/1.55 var(--f-body); color: var(--text-3); }

/* ---------- Про нас ---------- */
#about { padding: clamp(48px, 7vw, 90px) 0 clamp(8px, 2vw, 24px); }
.about-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}
.about-photo {
  position: relative;
  aspect-ratio: 4/5;
  max-width: 360px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}
.about-photo img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.about-name {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--dark);
}
.about-role { margin: 8px 0 0; font: 500 13px var(--f-mono); letter-spacing: .04em; color: var(--accent-text); }
.about-p { margin: 16px 0 0; font: 400 15.5px/1.6 var(--f-body); color: var(--text-2); max-width: 480px; }
.about-p.tight { margin-top: 14px; }
.about-p b { color: var(--dark); font-weight: 600; }
.regalia { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.reg-item { display: flex; align-items: flex-start; gap: 11px; }
.check {
  flex: 0 0 auto;
  width: 20px; height: 20px;
  border-radius: 6px;
  background: rgba(255,193,7,.16);
  border: 1px solid rgba(255,193,7,.5);
  color: var(--accent-text);
  display: flex; align-items: center; justify-content: center;
  font: 600 11px var(--f-mono);
}
.reg-item span:last-child { font: 500 14.5px/1.4 var(--f-body); color: var(--dark); }

/* ---------- Форма / CTA ---------- */
#audit { padding: clamp(56px, 8vw, 104px) 0 clamp(56px, 8vw, 96px); }
.audit-panel {
  position: relative;
  overflow: hidden;
  background: var(--dark);
  border-radius: 24px;
  padding: clamp(32px, 5vw, 56px);
}
.audit-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 24px 24px;
}
.audit-glow {
  position: absolute; top: -60px; right: -40px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(255,193,7,.28), transparent 66%);
  filter: blur(30px);
}
.audit-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}
.badge-dark {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(255,193,7,.4);
  background: rgba(255,193,7,.12);
  border-radius: 999px; padding: 6px 13px;
}
.badge-dark .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); display: block;
  animation: svpulse 2s ease-in-out infinite;
}
.badge-dark span:last-child {
  font: 500 10.5px var(--f-mono);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-dark);
}
.audit-h {
  margin: 18px 0 0;
  font-family: var(--f-head); font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.12; letter-spacing: -.02em;
  color: #fff; text-wrap: balance;
}
.audit-list { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.audit-list .row { display: flex; align-items: center; gap: 12px; }
.audit-list .check { color: var(--accent-dark); }
.audit-list .row span:last-child { font: 400 15px var(--f-body); color: #e2e8f0; }
.audit-note { margin: 26px 0 0; font: 400 13px/1.55 var(--f-body); color: var(--muted); max-width: 380px; }

.audit-form {
  background: var(--surface);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 24px 50px -24px rgba(0,0,0,.5);
  display: flex; flex-direction: column; gap: 12px;
}
.audit-form input,
.audit-form select,
.audit-form textarea {
  border: 1px solid var(--border-2);
  border-radius: 11px;
  font: 400 15px var(--f-body);
  color: var(--dark);
  background: var(--field-bg);
  outline: none;
}
.audit-form input { height: 48px; padding: 0 15px; }
.audit-form input:focus,
.audit-form select:focus,
.audit-form textarea:focus { border-color: var(--accent); }
.audit-form select {
  height: 48px; padding: 0 12px 0 15px;
  color: var(--text-3);
  appearance: none; -webkit-appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="%2394a3b8" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg>');
  background-repeat: no-repeat;
  background-position: right 15px center;
  cursor: pointer;
}
.audit-form select.filled { color: var(--dark); }
.audit-form textarea { padding: 12px 15px; resize: vertical; }
.audit-form .consent { display: flex; align-items: flex-start; gap: 9px; cursor: pointer; margin-top: 2px; }
.audit-form .consent input {
  width: 17px; height: 17px; margin: 1px 0 0;
  flex: 0 0 auto; accent-color: var(--accent); cursor: pointer;
}
.audit-form .consent span { font: 400 12.5px/1.5 var(--f-body); color: var(--text-3); }
.audit-form .consent a { color: var(--accent-text); }

/* ---------- Футер ---------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); }
.site-footer .container { padding-top: clamp(36px, 5vw, 56px); padding-bottom: clamp(36px, 5vw, 56px); }
.footer-top {
  display: flex; flex-wrap: wrap;
  gap: 28px; justify-content: space-between; align-items: flex-start;
}
.footer-about { max-width: 320px; }
.footer-about p { margin: 14px 0 0; font: 400 13.5px/1.55 var(--f-body); color: var(--text-3); }
.footer-cols { display: flex; gap: 44px; flex-wrap: wrap; }
.footer-cols .h {
  font: 500 10px var(--f-mono);
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.footer-cols .links { margin-top: 12px; display: flex; flex-direction: column; gap: 9px; }
.footer-cols .links a { font: 500 14px var(--f-body); color: var(--text-2); }
.footer-cols .links a.dark { color: var(--dark); }
.footer-cols .links a.accent { color: var(--accent-text); font-weight: 600; }
.footer-cols .contacts a { display: inline-flex; align-items: center; gap: 9px; }
.footer-cols .contacts svg { width: 16px; height: 16px; flex: 0 0 auto; }
.footer-bottom {
  margin-top: 32px; padding-top: 20px;
  border-top: 1px solid var(--border-3);
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: space-between; align-items: center;
}
.footer-bottom .copy { font: 400 12.5px var(--f-mono); color: var(--muted); }
.footer-bottom .legal { display: flex; gap: 20px; }
.footer-bottom .legal a { font: 400 12.5px var(--f-body); color: var(--text-3); }