/* =========================================================
   Открытые решения — сайт производителя шкафов управления и сервиса
   Стиль: техническая схема / чертёж. Светло-голубая палитра.
   ========================================================= */

@import url("fonts.css");

:root {
  --color-bg: #F3F9FC;
  --color-surface: #FFFFFF;
  --color-primary: #1B6FA8;
  --color-primary-dark: #0E3A57;
  --color-accent: #5FB8E0;
  --color-ink: #16232C;
  --color-muted: #55707D;
  --color-line: #C7E2EE;
  --color-line-strong: #9FCBE1;

  --font-head: "Archivo", "IBM Plex Sans", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, "Courier New", monospace;

  --maxw: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--color-bg);
  background-image: url("../assets/bg-circuit.jpg");
  background-size: 1400px auto;
  background-repeat: repeat;
  background-attachment: fixed;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--color-primary-dark);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { max-width: 62ch; color: var(--color-ink); }
p.lede { max-width: 56ch; color: var(--color-muted); font-size: 1.1rem; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

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

.site-header {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary-dark);
}
.brand img { height: 52px; width: auto; }
.brand__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}
.brand__name span { color: var(--color-primary); }

.main-nav {
  display: flex;
  gap: 28px;
  font-size: 0.97rem;
}
.main-nav a {
  color: var(--color-ink);
  border-bottom: 2px solid transparent;
  padding: 4px 0;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  text-decoration: none;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  white-space: nowrap;
}
.header-contact a { color: var(--color-ink); }
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 10px 20px;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: 2px;
  white-space: nowrap;
}
.btn:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.btn--solid { background: var(--color-primary); color: #fff; }
.btn--solid:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-line-strong);
  padding: 8px 10px;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
}

.phone-img { display: inline-block; vertical-align: middle; }
.phone-img--header { height: 17px; }
.phone-img--footer { height: 15px; display: block; margin-bottom: 10px; }
.phone-img--inline { height: 19px; }

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

.hero {
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(180deg, rgba(95,184,224,0.08), rgba(95,184,224,0) 60%);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 64px 28px 56px;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.hero__eyebrow::before { content: "// "; color: var(--color-line-strong); }

.hero__actions {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero__figure {
  position: relative;
}
.spec-frame {
  position: relative;
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
  padding: 18px;
}
.spec-frame::before,
.spec-frame::after,
.spec-frame > .corner-tl,
.spec-frame > .corner-br {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid var(--color-primary);
}
.spec-frame::before { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.spec-frame::after { bottom: -2px; right: -2px; border-left: none; border-top: none; }
.spec-frame svg { width: 100%; height: auto; }
.spec-frame__photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
  filter: saturate(1.02);
}
.spec-frame__caption {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: 10px;
  border-top: 1px dashed var(--color-line-strong);
  padding-top: 8px;
}

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

section { padding: 64px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 18px;
  margin-bottom: 40px;
}
.section-head__index {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.85rem;
}
.section--alt { background: var(--color-surface); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }

/* ---------- Datasheet-style feature rows ---------- */

.datasheet {
  border-top: 1px solid var(--color-line-strong);
}
.datasheet__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-line);
}
.datasheet__row dt {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.92rem;
  padding-top: 2px;
}
.datasheet__row dd {
  margin: 0;
  color: var(--color-ink);
}
.datasheet__row dd p { margin: 0; max-width: 60ch; color: var(--color-muted); }

/* ---------- Card grid (products / services) ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line-strong);
  border: 1px solid var(--color-line-strong);
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.tile {
  background: var(--color-surface);
  padding: 30px 26px;
  position: relative;
}
.tile__index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 10px;
}
.tile h3 { margin-bottom: 10px; }
.tile p { color: var(--color-muted); font-size: 0.96rem; max-width: 40ch; }
.tile__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---------- Stats strip ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-line-strong);
  border-bottom: 1px solid var(--color-line-strong);
}
.stats__item {
  padding: 26px 24px;
  border-right: 1px solid var(--color-line);
}
.stats__item:last-child { border-right: none; }
.stats--3 { grid-template-columns: repeat(3, 1fr); }
.stats__num {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--color-primary);
  display: block;
}
.stats__label { color: var(--color-muted); font-size: 0.9rem; }

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

.cta-band {
  background: var(--color-primary-dark);
  color: #EAF4FA;
  padding: 56px 0;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #BFDCEA; }
.cta-band__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band .btn--solid { background: #fff; color: var(--color-primary-dark); border-color: #fff; }
.cta-band .btn--solid:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-primary-dark); }

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

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.form-grid .full { grid-column: 1 / -1; }
label {
  display: block;
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}
input, textarea, select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 0.97rem;
  border-radius: 2px;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
}
textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.82rem; color: var(--color-muted); margin-top: 14px; }

.consent-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 20px;
  font-size: 0.86rem;
  color: var(--color-muted);
  cursor: pointer;
}
.consent-check input[type="checkbox"] {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}
.consent-check a { color: var(--color-primary); }

/* ---------- Contact info list ---------- */

.info-list { border-top: 1px solid var(--color-line-strong); }
.info-list__row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-line);
}
.info-list__row dt { font-family: var(--font-mono); color: var(--color-muted); font-size: 0.88rem; }
.info-list__row dd { margin: 0; }

.bullet-list {
  color: var(--color-muted);
  padding-left: 22px;
  max-width: 68ch;
}
.bullet-list li { margin-bottom: 8px; }
.bullet-list--nested {
  margin-top: 6px;
  margin-bottom: 10px;
  padding-left: 20px;
}
.spec-block {
  border-top: 1px solid var(--color-line-strong);
  padding-top: 28px;
  margin-top: 36px;
}
.spec-block h3 {
  font-size: 1.02rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}
.cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
  align-items: center;
}
.cta-row .btn--ghost {
  border: 1px dashed var(--color-line-strong);
  color: var(--color-muted);
}
.cta-row .btn--ghost:hover { background: transparent; color: var(--color-muted); text-decoration: none; cursor: default; }
.cta-note { font-size: 0.8rem; color: var(--color-muted); margin-top: 8px; width: 100%; }

/* ---------- Map placeholder ---------- */

.map-placeholder {
  border: 1px dashed var(--color-line-strong);
  background: repeating-linear-gradient(45deg, #EAF5FB 0 12px, #F3F9FC 12px 24px);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-align: center;
  padding: 20px;
}

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

.site-footer {
  background: var(--color-primary-dark);
  color: #BFDCEA;
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.footer-grid h4 { color: #fff; font-size: 0.9rem; font-family: var(--font-mono); font-weight: 500; margin-bottom: 14px; }
.footer-grid a { color: #BFDCEA; display: block; margin-bottom: 8px; font-size: 0.93rem; }
.footer-grid a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand img { height: 46px; }
.footer-brand span { color: #fff; font-family: var(--font-head); font-weight: 800; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  font-size: 0.82rem;
  color: #7FA9BE;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Placeholder banner (dev note) ---------- */

.placeholder-banner {
  background: #FFF6E0;
  border-bottom: 1px solid #E7CE8A;
  color: #6B5416;
  font-size: 0.85rem;
  text-align: center;
  padding: 8px 16px;
}

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

@media (max-width: 920px) {
  .hero__inner { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats__item:nth-child(2) { border-right: none; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-contact .btn { display: none; }
  .datasheet__row, .info-list__row { grid-template-columns: 1fr; gap: 6px; }
  .grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
}

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

/* Mobile nav open state */
.site-header.is-open .main-nav {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  padding: 16px 28px 20px;
  gap: 14px;
}

/* ---------- Баннер cookie ---------- */
.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1000;
  display: flex;
  justify-content: center;
}
.cookie-banner[hidden] { display: none; }
.cookie-banner__inner {
  max-width: 960px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-line-strong);
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(14, 58, 87, 0.18);
}
.cookie-banner__text {
  margin: 0;
  max-width: none;
  font-size: 0.88rem;
  color: var(--color-ink);
}
.cookie-banner__text a { text-decoration: underline; }
.cookie-banner__btn { flex-shrink: 0; }
@media (max-width: 640px) {
  .cookie-banner__inner { flex-direction: column; align-items: stretch; gap: 12px; }
}

/* ---------- Правовые страницы ---------- */
.legal h2 { font-size: 1.35rem; margin-top: 1.8em; }
.legal ul, .legal ol { color: var(--color-muted); padding-left: 20px; max-width: 62ch; }
.legal li { margin-bottom: 4px; }
.legal table { border-collapse: collapse; width: 100%; font-size: 0.9rem; margin: 12px 0 20px; background: var(--color-surface); }
.legal th, .legal td { border: 1px solid var(--color-line); padding: 8px 10px; text-align: left; vertical-align: top; }
.legal th { background: #E8F3F9; color: var(--color-primary-dark); }
.legal .todo { background: #FFF3C4; padding: 0 4px; border-radius: 3px; }
.legal .meta { color: var(--color-muted); font-size: 0.9rem; }

/* ---------- Яндекс Карта (загрузка по кнопке) ---------- */
.yamap {
  position: relative;
  min-height: 320px;
  border: 1px solid var(--color-line-strong);
  background: repeating-linear-gradient(45deg, #EAF5FB 0 12px, #F3F9FC 12px 24px);
}
.yamap__stub {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
}
.yamap__title { margin: 0; font-family: var(--font-head); font-weight: 700; color: var(--color-primary-dark); font-size: 1.1rem; }
.yamap__note { margin: 0; max-width: 46ch; font-size: 0.82rem; color: var(--color-muted); }
.yamap__link { font-size: 0.85rem; }
.yamap.is-loaded { background: none; }
.yamap iframe { display: block; width: 100%; height: 360px; border: 0; }