/* core.css — современный фундамент шаблона.
   Темы (themes/*.css) переопределяют только переменные :root.
   Никаких зависимостей от bootstrap, jquery и пр. */

/* === Defaults (переопределяются темой) === */
:root {
  --c-primary: #2563eb;
  --c-primary-dark: #1d4ed8;
  --c-primary-soft: rgba(37, 99, 235, .08);
  --c-text: #161a1f;
  --c-muted: #5a6470;
  --c-bg: #ffffff;
  --c-bg-soft: #f6f7f9;
  --c-border: #e3e6ea;
  --c-accent: #f59e0b;

  --font-head: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .06);
  --shadow:    0 6px 20px rgba(15, 23, 42, .08);
  --shadow-lg: 0 12px 36px rgba(15, 23, 42, .14);

  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 32px;
  --s-5: 48px;
  --s-6: 64px;
  --s-7: 96px;

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg, video { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

/* === Typography === */
body {
  font-family: var(--font-body);
  font-size: clamp(16px, 0.4vw + 14.5px, 18px);
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-text);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(32px, 4vw + 12px, 56px); margin-bottom: var(--s-3); }
h2 { font-size: clamp(26px, 2vw + 14px, 40px); margin-bottom: var(--s-3); margin-top: var(--s-5); }
h3 { font-size: clamp(20px, 1vw + 14px, 26px); margin-bottom: var(--s-2); margin-top: var(--s-4); }
h4 { font-size: clamp(18px, 0.5vw + 14px, 22px); margin-bottom: var(--s-2); margin-top: var(--s-3); }

p { margin-bottom: var(--s-2); max-width: 75ch; }
.hero p, .review p { max-width: none; }
p:last-child { margin-bottom: 0; }

ul, ol { padding-left: 1.4em; margin-bottom: var(--s-2); }
li { margin-bottom: var(--s-1); }
li > ul, li > ol { margin-top: var(--s-1); }

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color .15s;
}
a:hover { color: var(--c-primary-dark); text-decoration: underline; }

strong, b { font-weight: 700; }

hr, .section { border: none; }
hr.section-divider { height: 1px; background: var(--c-border); margin-block: var(--s-4); }

/* === Layout === */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
section, .section {
  padding-block: clamp(40px, 6vw, 96px);
}
.section-soft { background: var(--c-bg-soft); }

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--c-bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding-block: var(--s-2);
}
.site-header .logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}
.site-header .logo img {
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}
.header-tel {
  color: var(--c-text);
  font-weight: 600;
  white-space: nowrap;
}
.header-tel:hover { color: var(--c-primary); text-decoration: none; }

.site-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
}
.site-nav li { margin: 0; }
.site-nav a {
  color: var(--c-text);
  font-weight: 500;
  padding-block: var(--s-1);
}
.site-nav a:hover { color: var(--c-primary); text-decoration: none; }

/* Телефон в drawer показываем только на мобилке (на десктопе есть .header-tel) */
.nav-tel-mobile { display: none; }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
}
.menu-toggle::before {
  content: "";
  width: 22px; height: 2px;
  background: currentColor;
  box-shadow: 0 -7px 0 currentColor, 0 7px 0 currentColor;
}

/* === Hero === */
.hero {
  padding-block: clamp(48px, 7vw, 120px);
  background:
    radial-gradient(ellipse 90% 60% at 70% 0%, var(--c-primary-soft), transparent 70%),
    var(--c-bg);
}
.hero-content { max-width: 880px; }
.hero h1 { margin-top: 0; }

/* === Portfolio (главные картинки) === */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: var(--s-3);
  margin-top: var(--s-3);
}
.portfolio-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--c-bg-soft);
  aspect-ratio: 16 / 10;
}
.portfolio-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.portfolio-item:hover img { transform: scale(1.04); }

/* === FAQ (нативный <details>) === */
.faq-list { display: flex; flex-direction: column; gap: var(--s-2); margin-top: var(--s-3); max-width: 880px; }
.faq-item {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s, border-color .2s;
}
.faq-item[open] {
  border-color: color-mix(in srgb, var(--c-primary) 35%, var(--c-border));
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--s-3);
  padding-right: 56px;
  font-weight: 600;
  font-size: 1.05em;
  position: relative;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: var(--s-3);
  top: 50%;
  transform: translateY(-50%);
  font-size: 28px;
  line-height: 1;
  color: var(--c-primary);
  transition: transform .25s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item .answer {
  padding: 0 var(--s-3) var(--s-3);
  color: var(--c-muted);
}
.faq-item .answer p { color: var(--c-text); }

/* === Service section (сюда вставляется %table%) === */
.service table {
  width: 100%;
  border-collapse: collapse;
  margin-block: var(--s-3);
  font-size: .95em;
  background: var(--c-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.service th, .service td {
  padding: var(--s-2);
  border-bottom: 1px solid var(--c-border);
  text-align: left;
  vertical-align: top;
}
.service th {
  background: var(--c-bg-soft);
  font-weight: 600;
  color: var(--c-text);
}
.service tr:last-child td { border-bottom: none; }
.service tbody tr:hover td { background: var(--c-primary-soft); }
.service-table-wrap { overflow-x: auto; }

/* === Team === */
.team-section { padding-block: clamp(40px, 6vw, 96px); background: var(--c-bg-soft); }
.team-heading { text-align: center; margin-bottom: var(--s-4); }
.team-heading h2 { margin-top: 0; }
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--s-3);
  max-width: 960px;
  margin-inline: auto;
}
.team-card {
  background: var(--c-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.team-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--c-bg-soft);
}
.team-info {
  padding: var(--s-3);
  text-align: center;
}
.team-name { font-weight: 700; font-size: 1.1em; margin-bottom: 4px; }
.team-role { color: var(--c-muted); font-size: .92em; }

/* === Reviews === */
.reviews-section { padding-block: clamp(40px, 6vw, 96px); }
.reviews-heading { text-align: center; margin-bottom: var(--s-4); }
.reviews-heading h2 { margin-top: 0; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--s-3);
}
.review {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--s-4);
  position: relative;
}
.review::before {
  content: "“";
  position: absolute;
  top: -8px;
  left: var(--s-3);
  font-size: 64px;
  line-height: 1;
  color: var(--c-primary);
  font-family: Georgia, serif;
  opacity: .35;
}
.review p { margin-bottom: var(--s-2); color: var(--c-text); }
.review-author { font-weight: 600; color: var(--c-primary); }

/* === Tag cloud (footer) === */
.tag-cloud-wrap { margin-top: var(--s-4); }
.tagcloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1);
  justify-content: center;
}
.tagcloud .tag-cloud-link {
  display: inline-block;
  padding: 6px 14px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: 999px;
  color: var(--c-text);
  font-size: .85em;
  text-decoration: none;
  transition: background .15s, color .15s, border-color .15s;
}
.tagcloud .tag-cloud-link:hover {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
  text-decoration: none;
}

/* === Form (%form% инжектится cron'ом, классы зашиты в php) === */
.service.section .container > .row > h2,
.service.section .container > .row > p {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
}
.forma {
  max-width: 640px;
  margin: var(--s-4) auto 0;
  background: var(--c-bg);
  padding: var(--s-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--c-border);
}
.form-at {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-2);
}
.validate-input-at { position: relative; }
.input-at {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 1em;
  transition: border-color .15s, box-shadow .15s;
}
.input-at::placeholder { color: var(--c-muted); }
.input-at:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-soft);
}
textarea.input-at { min-height: 120px; resize: vertical; }
.input-at[type="checkbox"] {
  width: 18px; height: 18px;
  padding: 0;
  accent-color: var(--c-primary);
  vertical-align: middle;
  margin-right: 8px;
}
.form-at label {
  font-size: .88em;
  color: var(--c-muted);
  line-height: 1.5;
}
.form-at label a { color: var(--c-primary); }
.form-at-btn {
  padding: 14px 28px;
  background: var(--c-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1em;
  font-weight: 600;
  letter-spacing: .01em;
  transition: background .15s, transform .1s;
  width: 100%;
}
.form-at-btn:hover:not(:disabled) { background: var(--c-primary-dark); }
.form-at-btn:active { transform: translateY(1px); }
.form-at-btn:disabled { opacity: .5; cursor: not-allowed; }
.focus-input-at { display: none; }
.result-at { color: var(--c-primary); font-weight: 500; }

/* двухколоночные поля .w-50 на широких экранах */
@media (min-width: 600px) {
  .form-at {
    grid-template-columns: 1fr 1fr;
  }
  .form-at > textarea,
  .form-at > .input-at[type="checkbox"],
  .form-at > label,
  .form-at > .form-at-btn,
  .form-at > [type="hidden"],
  .form-at > .result-at,
  .form-at > .validate-input-at:not(.w-50) {
    grid-column: 1 / -1;
  }
}

/* === Footer === */
.site-footer {
  background: var(--c-bg-soft);
  padding-block: var(--s-4);
  margin-top: var(--s-6);
  border-top: 1px solid var(--c-border);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  justify-content: space-between;
  align-items: center;
}
.site-footer p { color: var(--c-muted); margin: 0; }

/* === Hero variants === */
.hero-split {
  background:
    linear-gradient(135deg, var(--c-primary-soft), transparent 60%),
    var(--c-bg);
}
.hero-split .container {
  display: grid;
  gap: var(--s-5);
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .hero-split .container { grid-template-columns: 2.4fr 1fr; }
}
.hero-aside {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--s-3);
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 320px;
  margin-inline: auto;
  width: 100%;
}
.hero-aside-label {
  color: var(--c-muted);
  font-size: .82em;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.hero-aside-tel {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(20px, 1vw + 14px, 24px);
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: var(--s-1);
  text-decoration: none;
  white-space: nowrap;
}
.hero-aside-tel:hover { text-decoration: underline; }
.hero-aside-text {
  color: var(--c-muted);
  font-size: .85em;
  margin-bottom: var(--s-2);
  max-width: none;
}
.hero-aside .btn-primary {
  display: block;
  text-align: center;
  padding: 10px 20px;
  font-size: .95em;
}
.hero-bold {
  background: linear-gradient(160deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
  text-align: center;
}
.hero-bold h1, .hero-bold h2, .hero-bold h3 { color: #fff; }
.hero-bold p, .hero-bold li { color: rgba(255,255,255,.92); }
.hero-bold .hero-content { margin-inline: auto; }

/* === Stats === */
.stats { padding-block: clamp(40px, 5vw, 72px); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: var(--s-3);
  text-align: center;
}
.stat {
  padding: var(--s-3);
  background: var(--c-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
}
.stat-num {
  font-family: var(--font-head);
  font-size: clamp(36px, 4vw + 8px, 56px);
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
  margin-bottom: var(--s-1);
  letter-spacing: -0.02em;
}
.stat-label { color: var(--c-muted); font-size: .95em; }

/* === CTA banner === */
.cta { padding-block: clamp(40px, 5vw, 80px); }
.cta-card {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
  padding: clamp(24px, 4vw, 56px);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-card h2 {
  color: #fff;
  margin-top: 0;
  font-size: clamp(22px, 2vw + 14px, 32px);
}
.cta-card p {
  color: rgba(255,255,255,.92);
  margin-inline: auto;
  margin-bottom: var(--s-3);
  max-width: 60ch;
}
.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--c-bg);
  color: var(--c-primary);
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.2); text-decoration: none; }

/* === Features === */
.features-heading { text-align: center; margin-bottom: var(--s-4); }
.features-heading h2 { margin-top: 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--s-3);
}
.feature {
  padding: var(--s-4);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
}
.feature .f-icon {
  width: 40px; height: 40px;
  color: var(--c-primary);
  margin-bottom: var(--s-2);
  background: var(--c-primary-soft);
  padding: 8px;
  border-radius: var(--radius);
  box-sizing: content-box;
}
.feature h3 { margin-top: 0; font-size: 1.15em; }
.feature p { color: var(--c-muted); margin-bottom: 0; max-width: none; }

/* === Утилиты под совместимость с inline-классами cron'а === */
.text-center { text-align: center; }
.row { display: block; }

/* === Mobile === */
@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; }
  .site-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 82vw);
    background: var(--c-bg);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform .25s ease;
    padding: calc(var(--s-5) + 12px) var(--s-3) var(--s-3);
    z-index: 60;
    overflow-y: auto;
  }
  .site-nav.open { transform: translateX(0); }
  .site-nav ul { flex-direction: column; gap: var(--s-2); }
  .site-nav a { font-size: 1.1em; display: block; padding-block: var(--s-2); }
  .nav-backdrop {
    position: fixed; inset: 0;
    background: rgba(8, 12, 20, .45);
    z-index: 55;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
  }
  .nav-backdrop.open { opacity: 1; pointer-events: auto; }
  body.nav-open { overflow: hidden; }
  .header-tel { display: none; }
  .nav-tel-mobile { display: list-item; }
}

@media (max-width: 480px) {
  .hero { padding-block: var(--s-5); }
  .forma { padding: var(--s-3); }
  .review { padding: var(--s-3); }
  .review::before { font-size: 48px; }
}

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