/* =========================================================
   ООО «Импульс» — корпоративная тема
   Премиальный сдержанный стиль: антрацит + графит + бронза
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* База — благородный графит */
  --bg:            #f4f1ec;          /* теплый кремово-серый фон */
  --bg-deep:       #ebe5db;          /* акцентная подложка */
  --surface:       #ffffff;
  --surface-tint:  #faf7f2;
  --paper:         #fbf9f5;

  /* Текст */
  --text:          #1a2230;          /* почти черный, чуть синеватый */
  --text-soft:     #2c3a4a;
  --muted:         #6b7280;
  --muted-soft:    #94a0ad;

  /* Бренд — глубокий антрацит-синий с бронзовым акцентом */
  --ink:           #0e1620;          /* антрацит для шапки, футера */
  --ink-deep:      #050a10;
  --ink-soft:      #1f2a3a;

  --brand:         #1d2a3a;          /* основной */
  --brand-dark:    #0e1620;
  --brand-light:   #2d3e54;

  /* Бронза/латунь — акцентный */
  --accent:        #b08a3e;          /* античная бронза */
  --accent-bright: #c8a45c;          /* светлая бронза */
  --accent-deep:   #8e6d2a;          /* тёмная бронза */
  --accent-soft:   rgba(176, 138, 62, 0.12);

  /* Линии и тени */
  --line:          rgba(14, 22, 32, 0.12);
  --line-soft:     rgba(14, 22, 32, 0.06);
  --line-strong:   rgba(14, 22, 32, 0.2);

  --shadow-xs:     0 1px 2px rgba(14, 22, 32, 0.04);
  --shadow-sm:     0 4px 12px rgba(14, 22, 32, 0.06), 0 1px 3px rgba(14, 22, 32, 0.04);
  --shadow-md:     0 12px 32px rgba(14, 22, 32, 0.08), 0 4px 12px rgba(14, 22, 32, 0.04);
  --shadow-lg:     0 24px 56px rgba(14, 22, 32, 0.12), 0 8px 20px rgba(14, 22, 32, 0.06);
  --shadow-hover:  0 18px 44px rgba(14, 22, 32, 0.14), 0 6px 16px rgba(14, 22, 32, 0.08);

  /* Радиусы — небольшие, сдержанные */
  --r-sm:          2px;
  --r-md:          4px;
  --r-lg:          6px;

  /* Кривые анимаций */
  --ease:          cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.65, 0, 0.35, 1);

  /* Тайминги */
  --t-fast:        180ms;
  --t-base:        320ms;
  --t-slow:        560ms;
}

/* ========== Сброс и база ========== */
* { box-sizing: border-box; }
*::selection { background: var(--accent-soft); color: var(--brand-dark); }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ========== Контейнеры ========== */
.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.container.narrow {
  width: min(860px, calc(100% - 48px));
}

/* ========== Типографика ========== */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', 'Times New Roman', serif;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

h1 {
  font-size: clamp(38px, 5.4vw, 64px);
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(30px, 3.8vw, 46px);
  font-weight: 500;
  margin-bottom: 20px;
}

h3 {
  font-size: 22px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.005em;
  line-height: 1.3;
  margin-bottom: 12px;
}

p {
  margin: 0 0 16px;
  color: var(--text-soft);
}

p:last-child { margin-bottom: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  color: var(--accent-deep);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

/* ========== Шапка сайта ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  transition: box-shadow var(--t-base) var(--ease),
              background var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 0 var(--line-soft), 0 8px 24px rgba(14, 22, 32, 0.04);
}

.header-row {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: var(--text);
}

.brand img {
  width: auto;
  height: 56px;
  max-width: 110px;
  object-fit: contain;
  border-radius: 0;
  transition: transform var(--t-base) var(--ease);
}

.brand:hover img {
  transform: rotate(-3deg) scale(1.04);
}

.brand strong {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0;
  color: var(--text);
}

.brand small {
  display: block;
  margin-top: 4px;
  max-width: 280px;
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  line-height: 1.5;
}

@media (max-width: 1200px) {
  .brand small { max-width: 220px; }
}

@media (max-width: 900px) {
  .brand small { display: none; }
}

/* Навигация */
.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.main-nav a {
  position: relative;
  padding: 10px 16px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--t-fast) var(--ease);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--t-base) var(--ease-out);
}

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

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.main-nav a[aria-current="page"] {
  color: var(--brand-dark);
  font-weight: 600;
}

.main-nav a.staff-login-link {
  margin-left: 8px;
  padding: 9px 16px;
  border: 1px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.main-nav a.staff-login-link::after {
  display: none;
}

.main-nav a.staff-login-link:hover {
  border-color: var(--accent-deep);
  background: var(--accent-deep);
  color: #fff;
}

/* Кнопка-гамбургер */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease);
}

.nav-toggle:hover {
  border-color: var(--accent);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--text);
  transition: transform var(--t-base) var(--ease),
              opacity var(--t-base) var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(115deg,
      rgba(5, 10, 16, 0.94) 0%,
      rgba(5, 10, 16, 0.86) 35%,
      rgba(14, 22, 32, 0.55) 75%,
      rgba(14, 22, 32, 0.35) 100%),
    url("img/inzhenernye-sistemy-obekt.jpg") center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(200, 164, 92, 0.08), transparent 50%),
    radial-gradient(ellipse at 90% 100%, rgba(200, 164, 92, 0.04), transparent 60%);
  pointer-events: none;
}

.hero::after {
  /* Тонкая декоративная линия снизу */
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 164, 92, 0.4), transparent);
}

.hero-grid,
.page-hero-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-grid {
  padding: 120px 0 90px;
  align-items: end;
}

.split.reverse {
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
}

.hero-text {
  max-width: 720px;
}

.hero-text h1 {
  color: #fff;
  font-weight: 400;
}

.hero-text p:not(.eyebrow),
.page-hero p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(16px, 1.4vw, 19px);
  font-weight: 300;
  line-height: 1.7;
}

.hero .eyebrow,
.page-hero .eyebrow,
.cta .eyebrow {
  color: var(--accent-bright);
}

.hero .eyebrow::before,
.page-hero .eyebrow::before,
.cta .eyebrow::before {
  background: var(--accent-bright);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

/* ========== Кнопки ========== */
.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 14px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition:
    background var(--t-base) var(--ease),
    color var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease),
    transform var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease);
}

.button::after {
  /* Тонкое свечение при наведении */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.18) 50%,
    transparent 70%);
  transform: translateX(-100%);
  transition: transform var(--t-slow) var(--ease);
  pointer-events: none;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button:hover::after {
  transform: translateX(100%);
}

.button:active {
  transform: translateY(0);
}

.button.primary {
  border-color: var(--brand-dark);
  background: var(--brand-dark);
  color: #fff;
}

.button.primary:hover {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--brand-dark), var(--brand-light));
}

.button.light {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  backdrop-filter: blur(6px);
}

.button.light:hover {
  border-color: var(--accent-bright);
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent-bright);
}

/* ========== Hero-карточка ========== */
.hero-card {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 36px 32px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.32);
}

.hero-card::before {
  /* Уголок-акцент в верхнем левом углу */
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 40px; height: 40px;
  border-top: 1px solid var(--accent-bright);
  border-left: 1px solid var(--accent-bright);
  border-top-left-radius: var(--r-md);
}

.hero-card::after {
  content: "";
  position: absolute;
  bottom: -1px; right: -1px;
  width: 40px; height: 40px;
  border-bottom: 1px solid var(--accent-bright);
  border-right: 1px solid var(--accent-bright);
  border-bottom-right-radius: var(--r-md);
}

.hero-card strong {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-card span,
.hero-card a {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.5;
  padding-left: 22px;
  position: relative;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}

.hero-card span::before,
.hero-card a::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 12px; height: 1px;
  background: var(--accent-bright);
  transition: width var(--t-base) var(--ease);
}

.hero-card a:hover {
  color: var(--accent-bright);
  padding-left: 28px;
}

/* ========== Внутренняя страница: hero ========== */
.page-hero {
  position: relative;
  padding: 110px 0 90px;
  color: #fff;
  background:
    linear-gradient(110deg,
      rgba(5, 10, 16, 0.96) 0%,
      rgba(5, 10, 16, 0.84) 50%,
      rgba(14, 22, 32, 0.55) 100%),
    url("img/inzhenernye-sistemy-obekt.jpg") center / cover no-repeat;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 75% 30%, rgba(200, 164, 92, 0.08), transparent 55%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 164, 92, 0.4), transparent);
}

.page-hero.compact { padding: 96px 0 80px; }

.page-hero h1 {
  color: #fff;
  font-weight: 400;
}

/* ========== Секции ========== */
.section {
  padding: 110px 0;
  background: var(--surface);
  position: relative;
}

.section.alt {
  background: var(--bg);
}

.section.alt::before,
.section.alt::after {
  /* тонкие декоративные разделители */
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 48px));
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.section.alt::before { top: 0; }
.section.alt::after  { bottom: 0; }

.section-head {
  max-width: 820px;
  margin: 0 auto 56px;
  text-align: left;
}

.section-head p:last-child,
.split p,
.legal-text p {
  color: var(--muted);
  font-size: 17px;
}

/* ========== Сетки карточек ========== */
.service-grid,
.feature-grid,
.trust-grid,
.faq-grid {
  display: grid;
  gap: 24px;
}

.service-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid,
.trust-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.faq-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

/* ========== Карточка услуги ========== */
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease);
}

.service-card::before {
  /* Бронзовая полоска снизу */
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease-out);
  z-index: 2;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--line-strong);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}

.service-card:hover img {
  transform: scale(1.06);
}

.service-card h3 {
  margin: 24px 24px 10px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  font-weight: 600;
}

.service-card p {
  margin: 0 24px 24px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ========== Карточки feature и trust ========== */
.feature-grid article,
.trust-card,
.panel,
.contact-panel,
.request-form,
.faq-grid details {
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition:
    transform var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease);
}

.feature-grid article {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-grid article::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 28px;
  height: 1px;
  background: var(--accent);
  transition: width var(--t-base) var(--ease);
}

.feature-grid article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}

.feature-grid article:hover::before {
  width: 60px;
}

.feature-grid h3 {
  margin-top: 14px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
  font-weight: 600;
}

.feature-grid p,
.trust-card p,
.faq-grid p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.panel {
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.panel h3 {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
}

/* ========== Карточка устройства ========== */
.device-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.device-card p {
  margin-bottom: 0;
}

.device-card .button {
  align-self: flex-start;
  margin-top: auto;
}

/* ========== Параметры проекта ========== */
.project-meta {
  display: grid;
  gap: 0;
  margin: 0;
}

.project-meta div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.project-meta div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.project-meta dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.project-meta dd {
  margin: 0;
  color: var(--text);
  font-weight: 500;
  text-align: right;
  font-size: 15px;
}

/* ========== Trust-карточки и числа ========== */
.trust-card {
  text-align: left;
}

.trust-number {
  display: block;
  margin-bottom: 16px;
  font-family: 'Cormorant Garamond', serif;
  color: var(--accent-deep);
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

/* ========== Списки ========== */
.check-list,
.steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 4px 0 4px 32px;
  color: var(--text-soft);
  font-size: 15.5px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 11px;
  font-weight: 700;
  content: "✓";
}

.steps {
  counter-reset: step;
  gap: 14px;
}

.steps li {
  position: relative;
  padding: 22px 24px 22px 78px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  color: var(--text-soft);
  transition:
    transform var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease);
}

.steps li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--line-strong);
}

.steps li::before {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--surface);
  color: var(--accent-deep);
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 15px;
}

.steps li strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 15px;
}

/* ========== Теги ========== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.tag-list span {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 50px;
  background: var(--surface);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition:
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    background var(--t-fast) var(--ease);
}

.tag-list span:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: var(--accent-soft);
}

/* ========== Документы ========== */
.documents-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px auto;
  gap: 20px;
  align-items: end;
  margin-bottom: 36px;
}

.search-field {
  display: grid;
  gap: 8px;
}

.search-field > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.search-field input,
.search-field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 18px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  transition: border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}

.search-field input:focus,
.search-field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.documents-count {
  align-self: end;
  padding-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.documents-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.document-card,
.empty-state {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition:
    transform var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease);
}

.document-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.5fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 0;
}

.document-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}

.document-title {
  min-width: 0;
}

.document-meta {
  color: var(--accent-deep);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
}

.document-card h3 {
  margin-top: 5px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
}

.document-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.55;
}

.document-actions {
  display: flex;
  gap: 8px;
  justify-self: end;
  align-items: center;
  flex-wrap: wrap;
}

.document-card .button {
  align-self: center;
  margin-top: 0;
  min-height: 42px;
  padding: 10px 16px;
  font-size: 12px;
  white-space: nowrap;
}

.empty-state {
  color: var(--muted);
  text-align: center;
}

/* ========== Прочее ========== */
.plain-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
  color: var(--text-soft);
}

code {
  padding: 2px 6px;
  border-radius: var(--r-sm);
  background: var(--bg-deep);
  font-family: 'SF Mono', Menlo, monospace;
  font-size: 0.9em;
  color: var(--accent-deep);
}

/* ========== Таблицы ========== */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: transparent;
}

caption {
  margin-bottom: 18px;
  padding: 0 4px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  text-align: left;
  color: var(--text);
}

th, td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
}

th {
  background: var(--paper);
  color: var(--text);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

th.sortable {
  position: relative;
  padding-right: 32px;
  cursor: pointer;
  user-select: none;
}

th.sortable::after {
  content: "↕";
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--muted);
  font-size: 12px;
  transform: translateY(-50%);
}

th.sortable[data-sort-direction="asc"]::after {
  content: "↑";
  color: var(--accent-deep);
}

th.sortable[data-sort-direction="desc"]::after {
  content: "↓";
  color: var(--accent-deep);
}

th.sortable:focus-visible {
  outline: 2px solid rgba(176, 138, 62, 0.35);
  outline-offset: -2px;
}

tbody tr {
  transition: background var(--t-fast) var(--ease);
}

tbody tr:hover {
  background: var(--paper);
}

tbody tr:last-child td {
  border-bottom: none;
}

td a {
  color: var(--accent-deep);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease);
}

td a:hover {
  border-bottom-color: var(--accent);
}

/* ========== Медиа-рамка ========== */
.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
}

.media-frame::before {
  /* Тонкая золотая рамка */
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(200, 164, 92, 0.4);
  border-radius: 2px;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--t-base) var(--ease);
}

.media-frame:hover::before {
  opacity: 1;
}

.media-frame img {
  width: 100%;
  min-height: 360px;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}

.media-frame:hover img {
  transform: scale(1.04);
}

/* ========== Аккордеон / details ========== */
.accordion {
  display: grid;
  gap: 16px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: box-shadow var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease);
}

details[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}

summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 22px 56px 22px 28px;
  color: var(--text);
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  list-style: none;
  transition: background var(--t-fast) var(--ease);
}

summary::-webkit-details-marker { display: none; }
summary::marker { display: none; content: ""; }

summary:hover {
  background: var(--paper);
}

summary::after {
  content: "";
  position: absolute;
  right: 28px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-right: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--t-base) var(--ease);
}

details[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

.accordion .table-wrap {
  margin: 0 22px 22px;
  border: 1px solid var(--line);
  box-shadow: none;
}

/* FAQ-grid */
.faq-grid details {
  padding: 0;
}

.faq-grid summary {
  padding: 24px 56px 12px 28px;
  font-size: 19px;
}

.faq-grid details > p {
  padding: 0 28px 24px;
  color: var(--muted);
  font-size: 15px;
}

/* ========== CTA-секция ========== */
.cta {
  padding: 80px 0;
  color: #fff;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 50%, rgba(200, 164, 92, 0.1), transparent 60%),
    radial-gradient(ellipse at 0% 100%, rgba(200, 164, 92, 0.06), transparent 70%);
}

.cta::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 164, 92, 0.5), transparent);
}

.cta-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  z-index: 1;
}

.cta h2 {
  margin-bottom: 0;
  color: #fff;
  font-weight: 400;
  max-width: 720px;
}

.cta .button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--ink);
}

.cta .button.primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  box-shadow: 0 12px 32px rgba(200, 164, 92, 0.3);
}

/* ========== Форма заявки ========== */
.request-form {
  display: grid;
  gap: 18px;
  padding: 36px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.request-form label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.request-form input,
.request-form select,
.request-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  transition: border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}

.request-form input:focus,
.request-form select:focus,
.request-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.request-form textarea {
  resize: vertical;
  min-height: 110px;
}

.request-form .agree {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.request-form .agree input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.request-form .button {
  margin-top: 8px;
  justify-self: start;
}

/* ========== Реквизиты ========== */
.requisites {
  display: grid;
  gap: 0;
  margin: 0;
}

.requisites div {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.requisites div:last-child {
  border-bottom: 0;
}

.requisites dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.5;
}

.requisites dd {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
}

/* ========== Контактная панель ========== */
.contact-panel {
  align-self: start;
  background: var(--paper);
}

.contact-panel h3 {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
}

.contact-panel p {
  margin: 0 0 8px;
}

.contact-panel a {
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}

.contact-panel a:hover {
  color: var(--accent-deep);
  border-bottom-color: var(--accent);
}

.contact-panel .button {
  margin: 18px 0 0;
}

/* ========== Юридический текст ========== */
.legal-text h2 {
  margin-top: 40px;
  font-size: 28px;
}

.legal-text p {
  color: var(--text-soft);
}

/* ========== Подвал ========== */
.site-footer {
  position: relative;
  padding: 64px 0 40px;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 164, 92, 0.3), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 28px;
}

.site-footer strong {
  display: block;
  margin-bottom: 14px;
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.7;
}

.site-footer a,
.site-footer span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.site-footer a:hover {
  color: var(--accent-bright);
}

.site-footer .metrika-informer {
  display: inline-block;
  width: 88px;
  height: 31px;
  margin-top: 14px;
  margin-bottom: 0;
  line-height: 0;
}

.site-footer .metrika-informer img {
  display: block;
  width: 88px;
  height: 31px;
  border: 0;
}

/* =========================================================
   АНИМАЦИИ
   ========================================================= */

/* Базовое появление при загрузке hero */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideRight {
  from {
    opacity: 0;
    transform: translateX(-28px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes goldShimmer {
  from { background-position: -200% 0; }
  to   { background-position: 200% 0; }
}

.hero-text > *,
.page-hero h1,
.page-hero p,
.page-hero .eyebrow {
  animation: fadeUp 1s var(--ease-out) both;
}

.hero-text > .eyebrow      { animation-delay: 0.1s; }
.hero-text > h1            { animation-delay: 0.2s; }
.hero-text > p             { animation-delay: 0.35s; }
.hero-text > .hero-actions { animation-delay: 0.5s; }

.hero-card {
  animation: fadeUp 1.1s var(--ease-out) 0.4s both;
}

.page-hero .hero-card,
.page-hero .media-frame {
  animation: fadeUp 1.1s var(--ease-out) 0.35s both;
}

/* Появление при скролле — управляется JS */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Каскадная задержка для дочерних элементов сетки */
.reveal-children > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
  will-change: opacity, transform;
}

.reveal-children.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-children.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-children.is-visible > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-children.is-visible > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-children.is-visible > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-children.is-visible > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-children.is-visible > *:nth-child(6) { transition-delay: 0.55s; }
.reveal-children.is-visible > *:nth-child(7) { transition-delay: 0.65s; }
.reveal-children.is-visible > *:nth-child(8) { transition-delay: 0.75s; }

/* Уменьшенная анимация по запросу */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-children > * {
    opacity: 1;
    transform: none;
  }
}

/* =========================================================
   АДАПТИВНОСТЬ
   ========================================================= */

@media (max-width: 1100px) {
  .service-grid,
  .feature-grid,
  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1000px) {
  .container,
  .container.narrow {
    width: min(100% - 32px, 1180px);
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 92px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
  }

  .main-nav.is-open {
    display: flex;
    animation: fadeUp 0.3s var(--ease-out) both;
  }

  .main-nav a {
    padding: 14px 16px;
  }

  .main-nav a.staff-login-link {
    margin: 8px 0 0;
    text-align: center;
  }

  .main-nav a::after { display: none; }

  .hero-grid,
  .page-hero-grid,
  .split,
  .split.reverse {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-grid {
    padding: 80px 0 60px;
  }

  .hero {
    min-height: auto;
  }

  .documents-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .documents-tools {
    grid-template-columns: 1fr;
  }

  .document-card {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 10px;
  }

  .document-actions {
    justify-self: start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section {
    padding: 80px 0;
  }

  .requisites div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (max-width: 640px) {
  .container,
  .container.narrow {
    width: min(100% - 24px, 1180px);
  }

  .brand small { display: none; }
  .brand strong { font-size: 18px; }
  .brand img { height: 44px; max-width: 88px; }

  .header-row { min-height: 72px; }
  .main-nav { top: 76px; }

  .hero-grid {
    padding: 64px 0 48px;
    gap: 28px;
  }

  .page-hero,
  .page-hero.compact,
  .section,
  .cta {
    padding: 56px 0;
  }

  .service-grid,
  .feature-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .cta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .hero-card,
  .panel,
  .request-form,
  .feature-grid article,
  .contact-panel {
    padding: 24px 22px;
  }

  .section-head {
    margin-bottom: 36px;
  }

  summary, .faq-grid summary {
    font-size: 18px;
    padding-right: 48px;
  }
}