/* Порошковая окраска — Design Principles: светлая тема, #2F80ED, доверие и ясность.
   Контраст WCAG 2.1 AA. 4px grid, единая глубина, анимации 150–250ms. */
:root {
  /* ——— Design system: 4px grid ——— */
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  /* Easing: no spring in enterprise UI */
  --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 250ms;
  /* Border radius: soft system (4, 8, 12) */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  /* Depth: single subtle shadow + surface shift */
  --border: 0.5px solid rgba(0, 0, 0, 0.08);
  --border-subtle: 0.5px solid rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 0 0 0.5px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-modal: 0 0 0 0.5px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.08);
  /* ——— Цвета: холодная основа, один акцент #2F80ED ——— */
  --color-primary: #2F80ED;
  --color-primary-dark: #2563EB;
  --color-bg-dark: #374151;
  --color-bg-mid: #F3F4F6;
  --color-bg-light: #E5E7EB;
  --color-surface: #FFFFFF;
  /* Контраст: 4 уровня — primary (fg) → secondary → muted → faint */
  --color-text: #1F2937;
  --color-text-secondary: #374151;
  --color-text-muted: #6B7280;
  --color-text-faint: #9CA3AF;
  --color-text-on-dark: #FFFFFF;
  --color-text-on-dark-soft: rgba(255,255,255,0.9);
  --color-text-on-dark-95: rgba(255,255,255,0.95);
  /* Ссылки на тёмном фоне: контраст ≥ 4.5:1 на --color-bg-dark, при наведении — светлый синий */
  --color-link-on-dark: #FFFFFF;
  --color-link-on-dark-hover: #93C5FD;
  /* Границы */
  --color-border: #E5E7EB;
  --color-border-subtle: rgba(0,0,0,0.1);
  --color-border-on-dark: rgba(255,255,255,0.2);
  --color-border-on-dark-30: rgba(255,255,255,0.3);
  --color-border-on-dark-50: rgba(255,255,255,0.5);
  --color-overlay-light-05: rgba(255,255,255,0.05);
  --color-overlay-light-10: rgba(255,255,255,0.1);
  --color-overlay-light-20: rgba(255,255,255,0.2);
  --color-overlay-light-30: rgba(255,255,255,0.3);
  --color-overlay-light-95: rgba(255,255,255,0.95);
  --color-overlay-dark-05: rgba(0,0,0,0.05);
  --color-overlay-dark-10: rgba(0,0,0,0.1);
  --color-overlay-dark-20: rgba(0,0,0,0.2);
  --color-overlay-dark-30: rgba(0,0,0,0.3);
  --color-overlay-dark-40: rgba(0,0,0,0.4);
  --color-overlay-dark-50: rgba(0,0,0,0.5);
  --color-overlay-dark-60: rgba(0,0,0,0.6);
  --color-overlay-dark-70: rgba(0,0,0,0.7);
  --color-overlay-dark-90: rgba(0,0,0,0.9);
  --color-primary-tint-bg: rgba(47,128,237,0.1);
  --color-primary-tint-bg-light: rgba(47,128,237,0.05);
  --color-primary-tint-border: rgba(47,128,237,0.2);
  --color-error: #DC2626;
  --color-error-bg: rgba(220,53,69,0.1);
  --color-error-border: rgba(220,53,69,0.8);
  --color-error-outline: rgba(220,53,69,0.6);
  --color-error-border-strong: rgba(220,53,69,0.9);
  --color-success: #16A34A;
  --color-success-bg: rgba(40,167,69,0.2);
  /* Legacy shadow vars for existing refs — map to new */
  --shadow-md: var(--shadow-card);
  --shadow-lg: var(--shadow-modal);
  --shadow-xl: var(--shadow-sm);
  /* Типографика: scale 11–32px, headlines 600, -0.02em */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Manrope', 'Open Sans', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Consolas', monospace;
  --text-11: 0.6875rem;
  --text-12: 0.75rem;
  --text-13: 0.8125rem;
  --text-14: 0.875rem;
  --text-16: 1rem;
  --text-18: 1.125rem;
  --text-24: 1.5rem;
  --text-32: 2rem;
  --text-base: 1.125rem;   /* 18px — основной текст, доступность */
  --text-sm: 1rem;
  --text-xs: 0.875rem;
  --section-gap-desktop: 5rem;
  --section-gap-mobile: 2.5rem;
  --max-width: 1200px;
  --form-block-max-width: 420px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

/* Скрываем блоки, заполняемые из конфига, до подстановки — убирает дёргание при загрузке */
.js-config-pending .site-logo,
.js-config-pending .header-phone-block,
.js-config-pending .footer-copy,
.js-config-pending .footer-reqs,
.js-config-pending .footer-col.footer-contacts {
  visibility: hidden;
}

/* Лоадер: показывается до загрузки ключевых элементов (инклюды + конфиг), затем скрывается */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  transition: opacity 0.25s ease-out, visibility 0.25s ease-out;
}

.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader__spinner {
  display: block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-bg-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: page-loader-spin 0.8s linear infinite;
}

@keyframes page-loader-spin {
  to { transform: rotate(360deg); }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  overflow-x: hidden;
}

body.page-exiting {
  transition: opacity 0.15s ease-out;
  opacity: 0;
}

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

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

a:hover {
  text-decoration: underline;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-top: 0;
}

h1 { font-size: clamp(var(--text-24), 4vw, var(--text-32)); }
h2 { font-size: clamp(var(--text-24), 3vw, var(--text-32)); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }
p  { margin: 0 0 1em; font-size: 1em; }

/* Данные: моноширинный, tabular-nums */
.font-mono,
.portfolio-price,
.price-card-value,
.digit-value,
.calc-result .js-calc-result {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

/* Резерв места под инклюды до загрузки — снижает CLS при подстановке header/footer */
[data-include="includes/header.html"] {
  min-height: 4rem;
  display: block;
}

[data-include="includes/footer.html"] {
  min-height: 12rem;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-24);
}

.container-narrow {
  max-width: 720px;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  border-bottom: var(--border);
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  min-height: 4rem;
}

.site-header__top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  min-height: 4rem;
}

.nav-wrap {
  order: 0;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-phone-block {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.15rem;
}

.header-phone {
  color: var(--color-link-on-dark);
  font-weight: 600;
  white-space: nowrap;
}

.header-phone:hover {
  color: var(--color-link-on-dark-hover);
  text-decoration: none;
}

.header-hours {
  font-size: var(--text-xs);
  opacity: 0.85;
}

.header-messengers {
  display: flex;
  gap: 0.75rem;
}

.header-messenger {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-on-dark);
}

.header-messenger img {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.header-messenger:hover,
.header-messengers .messenger-link:hover {
  color: var(--color-text-on-dark);
  text-decoration: none;
}

.header-messengers .messenger-link {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-on-dark);
}

.header-messengers .messenger-link img {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.btn-header {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.site-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text-on-dark);
}

.site-logo:hover {
  text-decoration: none;
  color: var(--color-text-on-dark);
}

.nav-main {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-main a {
  color: var(--color-text-on-dark);
  font-weight: 600;
  padding: var(--space-8) var(--space-12);
  border-radius: var(--radius);
  transition: background var(--duration-normal) var(--ease-out), color var(--duration-normal) var(--ease-out);
}

.nav-main a:hover {
  color: var(--color-text-on-dark);
  background: var(--color-overlay-light-10);
  text-decoration: none;
}

.nav-main a:focus-visible {
  outline: 2px solid var(--color-link-on-dark-hover);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.nav-main a.is-active {
  background: var(--color-overlay-light-10);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-on-dark);
  padding: 0.5rem;
  cursor: pointer;
  font-size: 1.5rem;
}

/* 1104px и меньше: верхняя полоса (логотип + бургер) фиксирована; меню открывается ниже неё */
@media (max-width: 1104px) {
  .site-header .container {
    flex-wrap: wrap;
    align-content: flex-start;
  }
  .site-header__top-row {
    order: 0;
    width: 100%;
    flex-shrink: 0;
    min-height: 4rem;
  }
  .site-logo { order: 0; flex-shrink: 0; }
  .nav-toggle {
    display: block;
    order: 1;
    margin-left: auto;
  }
  .nav-wrap {
    order: 2;
    width: 100%;
    display: none;
  }
  .header-contact {
    order: 3;
    width: 100%;
    display: none;
  }
  .site-header.menu-open .nav-wrap,
  .site-header.menu-open .header-contact {
    display: flex;
  }
  .site-header.menu-open .nav-wrap {
    flex-direction: column;
    background: var(--color-bg-dark);
    padding: 1rem;
    box-shadow: var(--shadow);
  }
  /* header-contact (телефон + мессенджеры) — внутри бургера, под навигацией */
  .site-header.menu-open .header-contact {
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border-on-dark);
    background: var(--color-bg-dark);
  }
  .nav-main {
    display: none;
    flex-direction: column;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem;
    border: none;
  }
  .site-header.menu-open .nav-main {
    display: flex;
    padding: 0;
  }
  .header-messengers { display: flex; }
  .site-header.menu-open .header-messengers { display: flex; }
  .header-phone-block { align-items: flex-start; }
}

@media (max-width: 768px) {
  .section-alt .container[style*="grid-template-columns"],
  main > section.section:nth-of-type(even) .container[style*="grid-template-columns"],
  .section .container[style*="grid-template-columns"] {
    display: block !important;
  }
  /* Верхняя полоса фиксирована; меню ниже */
  .site-header__top-row {
    order: 0;
    width: 100%;
  }
  .site-logo { order: 0; }
  .nav-wrap { order: 2; width: 100%; }
  .header-contact { order: 3; }
  .nav-toggle {
    display: block;
    order: 1;
    margin-left: auto;
  }
  .nav-main {
    display: none;
    flex-direction: column;
    list-style: none;
    margin: 0;
    padding: 1rem;
    gap: 0.5rem;
    background: var(--color-bg-dark);
  }
  .site-header.menu-open .nav-main {
    display: flex;
  }
  .site-header.menu-open .nav-wrap {
    flex-direction: column;
    padding: 0;
    background: var(--color-bg-dark);
    box-shadow: var(--shadow);
  }
  .site-header.menu-open .header-contact {
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border-on-dark);
    background: var(--color-bg-dark);
  }
  .header-messengers { display: none; }
  .site-header.menu-open .header-messengers { display: flex; }
  .header-phone-block { align-items: flex-end; }
  .site-header.menu-open .header-phone-block { align-items: flex-start; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-24);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-16);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--duration-normal) var(--ease-out), color var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

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

.btn:active {
  opacity: 0.95;
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  font-weight: 600;
  border: 2px solid transparent;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-text-on-dark);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(47, 128, 237, 0.3);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-light);
  border-color: var(--color-bg-light);
  text-decoration: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: var(--color-bg-dark) linear-gradient(180deg, var(--color-overlay-dark-50) 0%, var(--color-overlay-dark-30) 100%);
  color: var(--color-text-on-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--color-bg-dark);
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.hero-bg img[src=""],
.hero-bg img:not([src]) {
  display: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  /* Затемнение для читаемости на фоне с разной яркостью (серые/металл) */
  background: linear-gradient(180deg, var(--color-overlay-dark-60) 0%, var(--color-overlay-dark-50) 50%, var(--color-overlay-dark-60) 100%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-16);
  max-width: 18ch;
  text-shadow: 0 1px 2px var(--color-overlay-dark-40), 0 0 20px var(--color-overlay-dark-30);
  opacity: 0;
  transform: translateY(12px);
  animation: hero-title-in var(--duration-slow) var(--ease-out) 0.1s forwards;
}

.hero-sub {
  font-size: var(--text-18);
  margin-bottom: var(--space-24);
  max-width: 42ch;
  opacity: 0;
  transform: translateY(12px);
  animation: hero-title-in var(--duration-slow) var(--ease-out) 0.2s forwards;
  color: var(--color-text-on-dark-95);
  text-shadow: 0 1px 2px var(--color-overlay-dark-40);
}

.hero .btn {
  opacity: 0;
  transform: translateY(12px);
  animation: hero-title-in var(--duration-slow) var(--ease-out) 0.35s forwards;
}

@keyframes hero-title-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero h1,
  .hero-sub,
  .hero .btn {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

.hero .btn {
  margin-top: 0.5rem;
}

/* Sections */
.section {
  padding: var(--section-gap-mobile) 0;
}

@media (min-width: 769px) {
  .section { padding: var(--section-gap-desktop) 0; }
}

.section-alt,
main > section.section:nth-of-type(even) {
  background: var(--color-bg-mid);
  color: var(--color-text);
}

.section-alt h2,
.section-alt h3,
main > section.section:nth-of-type(even) h2,
main > section.section:nth-of-type(even) h3 {
  color: var(--color-text);
}

.section-alt .section-desc,
main > section.section:nth-of-type(even) .section-desc {
  color: var(--color-text-muted);
}

.section-alt a,
main > section.section:nth-of-type(even) a {
  color: var(--color-primary);
}

.section-alt .btn-primary,
.section-alt .btn-primary:hover,
main > section.section:nth-of-type(even) .btn-primary,
main > section.section:nth-of-type(even) .btn-primary:hover {
  color: var(--color-text-on-dark);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-32);
}

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Digits block */
.section-digits {
  padding: 2rem 0;
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.digits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.digit-item {
  padding: 1rem;
}

.digit-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.digit-label {
  font-size: var(--text-sm);
  opacity: 0.9;
}

.digits-grid-page {
  margin: 1.5rem 0;
}

.digits-grid-page .digit-value {
  color: var(--color-primary);
}

.preimuschestva-list ul {
  padding-left: 1.5rem;
  margin: 1rem 0;
}

.preimuschestva-list li {
  margin-bottom: 0.75rem;
}

@media (max-width: 768px) {
  .digits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.about-steps {
  padding-left: 1.5rem;
  margin: 1rem 0;
}

.about-steps li {
  margin-bottom: 0.75rem;
}

/* About page: hero, principles, tech, CTA */
.mt-0 { margin-top: 0; }

.about-hero {
  padding-top: var(--section-gap-mobile);
  padding-bottom: var(--section-gap-mobile);
}

.about-hero__title {
  color: var(--color-text);
  margin-bottom: 0.75em;
}

.about-hero__lead {
  font-size: clamp(var(--text-base), 2vw, 1.25rem);
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 52ch;
}

@media (min-width: 769px) {
  .about-hero {
    padding-top: var(--section-gap-desktop);
    padding-bottom: var(--section-gap-desktop);
  }
}

.about-principles__heading {
  margin-bottom: 2rem;
}

.about-principles__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .about-principles__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-principles__card {
  background: var(--color-surface);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  transition: box-shadow var(--duration-normal) var(--ease-out);
}

.about-principles__card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.about-principles__icon {
  font-size: 2rem;
  line-height: 1;
  display: block;
  color: var(--color-primary);
}

.about-principles__icon svg {
  display: block;
}

.about-principles__card-title {
  font-size: var(--text-18);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-text);
}

.about-principles__card-text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-muted);
  flex-grow: 1;
}

.about-tech {
  padding-top: var(--section-gap-mobile);
  padding-bottom: var(--section-gap-mobile);
}

.about-tech__heading {
  margin-bottom: var(--space-8);
}

.about-tech__subheading {
  font-size: var(--text-18);
  color: var(--color-text-muted);
  margin-bottom: var(--space-24);
}

.about-tech__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 640px;
}

.about-tech__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-16) var(--space-24);
  background: var(--color-surface);
  border-radius: var(--radius);
  border: var(--border);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--duration-normal) var(--ease-out);
}

.about-tech__item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.about-tech__item-title {
  font-weight: 600;
  color: var(--color-text);
}

.about-tech__item span {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text-muted);
}

@media (min-width: 769px) {
  .about-tech {
    padding-top: var(--section-gap-desktop);
    padding-bottom: var(--section-gap-desktop);
  }
}

.about-cta {
  padding-top: var(--section-gap-mobile);
  padding-bottom: var(--section-gap-mobile);
}

.about-cta__heading {
  margin-bottom: var(--space-16);
}

.about-cta__text {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  line-height: 1.6;
  opacity: 0.95;
}

.about-cta__tagline {
  margin: 0 0 1.5rem;
  font-size: var(--text-sm);
  opacity: 0.85;
  font-style: italic;
}

.about-cta__action {
  margin: 0;
}

.about-cta__action .btn {
  min-width: 260px;
}

.btn--large {
  padding: 0.875rem 2rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

@media (min-width: 769px) {
  .about-cta {
    padding-top: var(--section-gap-desktop);
    padding-bottom: var(--section-gap-desktop);
  }
}

/* Services preview */
.services-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.services-preview-item {
  display: block;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
}

.services-preview-item:hover {
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.services-preview .text-center { margin-top: 0.5rem; }

/* Callback inline */
.callback-inline {
  max-width: 560px;
  margin: 0 auto;
}

.form-inline-callback {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  justify-content: center;
  margin-top: 1rem;
}

.form-inline-callback .form-group {
  margin-bottom: 0;
  min-width: 140px;
}

.form-inline-checkbox { flex-basis: 100%; justify-content: center; }

/* FAQ */
.faq-list {
  max-width: 640px;
  margin: 0 auto;
}

.faq-list dt {
  font-family: var(--font-heading);
  font-weight: 700;
  margin-top: 1.25rem;
  margin-bottom: 0.35rem;
}

.faq-list dt:first-child { margin-top: 0; }

.faq-list dd {
  margin: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--color-primary);
  color: var(--color-text-muted);
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 640px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-on-dark);
}

.section:not(.section-alt) .faq-item,
main > section.section:nth-of-type(odd) .faq-item {
  border-bottom-color: var(--color-border-subtle);
}

.faq-question {
  font-family: var(--font-heading);
  font-weight: 600;
  padding: var(--space-16) 2rem var(--space-16) 0;
  cursor: pointer;
  list-style: none;
  display: block;
  transition: color var(--duration-fast) var(--ease-out);
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
}

.faq-item[open] .faq-question::after {
  content: "−";
}

.faq-item {
  position: relative;
}

.faq-answer {
  margin: 0 0 var(--space-16);
  padding: 0 0 var(--space-8);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.section-alt .faq-answer,
main > section.section:nth-of-type(even) .faq-answer {
  color: var(--color-text-muted);
}

/* Benefits (Top 3) */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-32);
  margin-top: var(--space-32);
}

.benefit-card {
  background: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  border: var(--border);
  text-align: center;
  transition: box-shadow var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.benefit-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.section-alt .benefit-card,
main > section.section:nth-of-type(even) .benefit-card {
  background: var(--color-surface);
}

.benefit-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-on-dark);
}

.benefit-card h3 {
  margin-bottom: 0.5rem;
}

/* Сетка из трёх преимуществ: одна строка на десктопе, колонка на мобильных */
.benefits-grid-three {
  grid-template-columns: 1fr;
  max-width: 64rem;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 640px) {
  .benefits-grid-three {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Сетка 3 колонки × 2 ряда (если понадобится 6 карточек): общие строки для иконки, заголовка и текста */
.benefits-grid-six {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (min-width: 769px) {
  .benefits-grid-six {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto 1fr auto auto 1fr;
  }

  .benefits-grid-six .benefit-card {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 3;
    text-align: center;
  }

  .benefits-grid-six .benefit-card .benefit-icon {
    grid-row: 1;
    justify-self: center;
    margin-bottom: 0;
  }

  .benefits-grid-six .benefit-card h3 {
    grid-row: 2;
    margin-bottom: 0;
    align-self: start;
  }

  .benefits-grid-six .benefit-card p {
    grid-row: 3;
    align-self: start;
    margin-bottom: 0;
  }
}

.benefit-icon-text {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 28px;
  font-size: 17px;
  line-height: 17px;
  font-weight: 700;
  text-align: center;
  color: var(--color-text-on-dark);
  overflow: hidden;
  flex-shrink: 0;
}

.benefit-icon-svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  stroke: currentColor;
}

.section-desc {
  text-align: center;
  max-width: 42rem;
  margin: -1rem auto 1.5rem;
  color: var(--color-text-muted);
}

/* Showcase / Mini portfolio */
.showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.showcase-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-bg-light);
}

.showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: var(--color-overlay-dark-70);
  color: var(--color-text-on-dark);
  font-size: var(--text-sm);
  font-weight: 600;
}

/* Portfolio filter & grid */
.portfolio-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.portfolio-filter-btn {
  padding: var(--space-8) var(--space-16);
  font-family: inherit;
  font-weight: 600;
  font-size: var(--text-sm);
  border: 2px solid var(--color-bg-mid);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--duration-normal) var(--ease-out), border-color var(--duration-normal) var(--ease-out), color var(--duration-normal) var(--ease-out);
}

.portfolio-filter-btn:hover,
.portfolio-filter-btn:focus-visible {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.portfolio-filter-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-on-dark);
}

.portfolio-filter-btn--hidden {
  display: none;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.portfolio-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: var(--border);
  transition: box-shadow var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.portfolio-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.portfolio-card.hidden-by-filter {
  display: none;
}

.portfolio-card-gallery {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-light);
}

.portfolio-card-link {
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg-light);
}

.portfolio-card-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-card-link:hover {
  text-decoration: none;
}

.portfolio-card-thumbs {
  display: flex;
  gap: 4px;
  padding: 4px 8px 8px;
  flex-wrap: wrap;
}

.portfolio-card-thumb {
  display: block;
  flex: 0 0 auto;
  width: 56px;
  height: 42px;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--border-subtle, rgba(0, 0, 0, 0.06));
}

.portfolio-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-card-thumb:hover {
  text-decoration: none;
  border-color: var(--color-primary);
}

.portfolio-card h3 {
  margin: 0.75rem 1rem 0.25rem;
}

.portfolio-card p {
  margin: 0 1rem;
  font-size: 1em;
  color: var(--color-text-muted);
}

.portfolio-card .portfolio-price {
  margin-top: auto;
  margin-bottom: 0;
  margin-left: 1rem;
  margin-right: 1rem;
  padding-bottom: 1rem;
  font-weight: 600;
  color: var(--color-primary) !important;
}

/* Выравнивание заголовков/описаний в сетке портфолио (как в преимуществах) */
@media (min-width: 769px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto 1fr auto auto auto 1fr auto;
  }

  .portfolio-card {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 4;
  }

  .portfolio-card > .portfolio-card-link,
  .portfolio-card > .portfolio-card-gallery {
    grid-row: 1;
  }

  .portfolio-card h3 {
    grid-row: 2;
    margin: 0.75rem 1rem 0.25rem;
    align-self: start;
  }

  .portfolio-card p:not(.portfolio-price) {
    grid-row: 3;
    align-self: start;
    margin: 0 1rem;
  }

  .portfolio-card .portfolio-price {
    grid-row: 4;
    align-self: start;
    margin: 0.5rem 1rem 1rem !important;
  }
}

/* Process steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding-left: 3.5rem;
}

.process-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
}

.process-step h3 {
  margin-bottom: 0.5rem;
}

.process-eco {
  padding: 1rem;
  margin-top: 1em;
  background: var(--color-overlay-dark-10);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.section-alt .process-eco,
main > section.section:nth-of-type(even) .process-eco {
  background: var(--color-overlay-dark-05);
  color: var(--color-text);
}

/* Process Timeline — 3 в ряд, линия на уровне точек */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2rem;
  position: relative;
}

.process-timeline-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 0 1.5rem;
  position: relative;
}

.process-timeline-row:first-child {
  margin-bottom: 2rem;
}

/* Центр точки: top 1.25rem + половина 16px = 1.25rem + 0.5rem = 1.75rem */
.process-line-row {
  grid-column: 1 / -1;
  grid-row: 1;
  position: absolute;
  top: 1.75rem;
  left: 0;
  width: 100%;
  height: 4px;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 0;
}

.process-timeline-row .process-timeline-step:nth-child(2) { grid-column: 1; grid-row: 1 / span 2; }
.process-timeline-row .process-timeline-step:nth-child(3) { grid-column: 2; grid-row: 1 / span 2; }
.process-timeline-row .process-timeline-step:nth-child(4) { grid-column: 3; grid-row: 1 / span 2; }

.process-line-row line {
  stroke: var(--color-primary);
  stroke-width: 4;
  stroke-linecap: round;
  opacity: 0.5;
}

.process-timeline-step {
  display: grid;
  grid-template-rows: subgrid;
  grid-template-columns: 1fr;
  position: relative;
  padding: 0 0.75rem;
  text-align: center;
  z-index: 1;
}

.process-timeline-step::before {
  content: "";
  position: absolute;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  z-index: 1;
  box-shadow: 0 0 0 4px var(--color-bg-mid);
}

main > section.section:nth-of-type(even) .process-timeline-step::before {
  box-shadow: 0 0 0 4px var(--color-surface);
}

.process-timeline-step h3 {
  grid-row: 1;
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
  align-self: start;
}

.process-timeline-step p {
  grid-row: 2;
  font-size: 1em;
  margin: 0;
  align-self: start;
  color: var(--color-text-muted);
}

.section-alt .process-timeline-step p,
main > section.section:nth-of-type(even) .process-timeline-step p {
  color: var(--color-text-muted);
}

.process-timeline-step a {
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .process-timeline {
    display: block;
  }

  .process-timeline-row {
    display: block;
    grid-template-columns: unset;
    grid-template-rows: unset;
    gap: unset;
  }

  .process-timeline-row .process-timeline-step:nth-child(2),
  .process-timeline-row .process-timeline-step:nth-child(3),
  .process-timeline-row .process-timeline-step:nth-child(4) {
    grid-column: unset;
    grid-row: unset;
  }

  .process-timeline-row:first-child {
    margin-bottom: 1.5rem;
  }

  .process-line-row {
    display: none;
  }

  .process-timeline-step {
    display: block;
    grid-template-rows: unset;
    grid-template-columns: unset;
    padding-left: 3rem;
    padding-right: 0;
    text-align: left;
    margin-bottom: 1.5rem;
  }

  .process-timeline-row:last-child .process-timeline-step:last-child {
    margin-bottom: 0;
  }

  .process-timeline-step h3 {
    grid-row: unset;
    margin-top: 0;
  }

  .process-timeline-step p {
    grid-row: unset;
    align-self: unset;
  }

  /* Точка этапа на линии */
  .process-timeline-step::before {
    left: 1rem;
    top: 0.25rem;
    transform: translateX(-50%);
  }

  /* Отрезок линии от точки до следующей (у последнего шага отрезка нет) */
  .process-timeline-step::after {
    content: "";
    position: absolute;
    left: 1rem;
    top: 1.25rem;
    transform: translateX(-50%);
    width: 4px;
    bottom: -2.25rem;
    background: var(--color-primary);
    opacity: 0.5;
    z-index: 0;
  }

  .process-timeline-row:last-child .process-timeline-step:last-child::after {
    content: none;
  }

  .process-eco {
    margin-top: 2rem;
  }
}

/* Comparison table */
.table-wrap {
  overflow-x: auto;
  margin: 2rem 0;
}

.table-compare {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.table-compare th,
.table-compare td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table-compare th {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  font-weight: 600;
}

.table-compare tr:nth-child(even) td {
  background: var(--color-overlay-dark-05);
}

.table-compare .us {
  background: var(--color-primary-tint-bg);
  font-weight: 600;
}

.price-table {
  width: 100%;
  min-width: 280px;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.price-table th,
.price-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.price-table th {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  font-weight: 600;
}

.price-table tr:nth-child(even) td {
  background: var(--color-overlay-dark-05);
}

.price-table__highlight td {
  background: var(--color-primary-tint-bg);
  font-weight: 600;
}

.price-table--cols3 {
  min-width: 280px;
}

/* Tariff cards (stoimost) */
.tariff-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: var(--border);
  box-shadow: var(--shadow-card);
  padding: var(--space-24);
  margin-bottom: var(--space-32);
  border-left: 4px solid var(--color-primary);
  transition: box-shadow var(--duration-normal) var(--ease-out);
}

.tariff-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.tariff-card:last-of-type {
  margin-bottom: var(--space-32);
}

.tariff-card__header {
  margin-bottom: var(--space-24);
}

.tariff-card__icon {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
  line-height: 1;
}

.tariff-card__title {
  margin: 0 0 var(--space-4);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tariff-card__subtitle {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.tariff-card__note {
  margin: 1rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.tariff-card .table-wrap {
  margin: 0;
}

.tariff-card--options {
  border-left-color: var(--color-bg-mid);
}

/* Conditions & CTA (stoimost) */
.conditions-block {
  margin-top: var(--space-32);
  padding: var(--space-24);
  background: var(--color-bg-mid);
  border-radius: var(--radius);
  border: var(--border);
  box-shadow: var(--shadow-sm);
}

.conditions-block h2 {
  margin-bottom: var(--space-16);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.conditions-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: var(--text-sm);
  line-height: 1.7;
}

.conditions-list li {
  margin-bottom: 0.5rem;
}

.conditions-list li:last-child {
  margin-bottom: 0;
}

.cta-quote {
  margin-top: var(--space-32);
  padding: var(--space-24);
  background: var(--color-primary-tint-bg-light);
  border-radius: var(--radius);
  border: var(--border);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.cta-quote__text {
  margin-bottom: var(--space-16);
  font-size: var(--text-base);
}

.cta-quote .btn {
  margin-bottom: 0;
}

/* Мобильные тарифы: карточки строк вместо списка (Design Principles) */
@media (max-width: 640px) {
  .tariff-card {
    padding: var(--space-16);
    margin-bottom: var(--space-24);
  }

  .tariff-card__header {
    margin-bottom: var(--space-16);
  }

  .tariff-card__title {
    font-size: var(--text-18);
  }

  .tariff-card__subtitle {
    margin-top: var(--space-4);
  }

  .price-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .price-table,
  .price-table--cols3 {
    min-width: 0;
    background: transparent;
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
  }

  .price-table tbody {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
  }

  .price-table tbody tr {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-16);
    margin: 0;
    background: var(--color-surface);
    border: var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--duration-fast) var(--ease-out);
  }

  /* Таблицы с 3 колонками: сетка — название и ед. изм. слева (ед. изм. снизу), цена справа */
  .price-table--cols3 tbody tr {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    align-items: start;
    gap: 0 var(--space-16);
  }

  .price-table--cols3 td:first-child {
    grid-column: 1;
    grid-row: 1;
  }

  .price-table--cols3 td:nth-child(2) {
    grid-column: 1;
    grid-row: 2;
    margin-top: var(--space-4);
  }

  .price-table--cols3 td:last-child {
    grid-column: 2;
    grid-row: 1 / -1;
    align-self: center;
  }

  .price-table tbody tr:active {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  }

  .price-table tbody tr:last-child {
    margin-bottom: 0;
  }

  .price-table td {
    display: block;
    padding: 0;
    border: none;
    font-size: var(--text-14);
    background: transparent !important;
    min-width: 0;
  }

  .price-table td::before {
    display: none;
  }

  /* Название / объём — слева, перенос только по словам (не разрывать «Двери», «металлические») */
  .price-table td:first-child {
    flex: 1 1 auto;
    min-width: 0;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text);
    overflow-wrap: normal;
    word-break: normal;
    white-space: normal;
  }

  /* Ед. изм. (3 колонки) — слева снизу, не переносится */
  .price-table--cols3 td:nth-child(2) {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-muted);
  }

  /* Цена — справа, моно; вся строка цены переносится целиком (не разрывать «5 000» и «₽») */
  .price-table td:last-child {
    flex: 0 1 auto;
    min-width: 0;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    font-size: var(--text-16);
    color: var(--color-primary);
    text-align: right;
    white-space: nowrap;
  }

  .price-table__highlight tr {
    background: var(--color-primary-tint-bg) !important;
    border-color: var(--color-primary-tint-border);
  }

  .price-table__highlight td:first-child {
    color: var(--color-text);
  }

  .price-table__highlight td:last-child {
    color: var(--color-primary);
  }

  .tariff-card__note {
    margin-top: var(--space-16);
    padding-top: var(--space-16);
    font-size: var(--text-xs);
  }
}

/* При 360px и уже — вертикальная раскладка: услуга сверху, цена снизу, без наложения */
@media (max-width: 480px) {
  .price-table tbody tr {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-8);
  }

  .price-table td:first-child {
    flex: none;
  }

  .price-table td:last-child {
    flex: none;
    align-self: flex-end;
  }

  .price-table--cols3 tbody tr {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--space-4) 0;
  }

  .price-table--cols3 td:last-child {
    grid-column: 1;
    grid-row: 3;
    justify-self: end;
    margin-top: var(--space-4);
  }
}

@media (min-width: 641px) {
  .tariff-card {
    padding: 2rem;
  }
}

/* Form — единый стиль на основе .calc-block и .form-block-dark */
.form-block,
.form-block-dark,
.calc-block {
  width: 100%;
  max-width: var(--form-block-max-width);
  margin-left: auto;
  margin-right: auto;
  background: var(--color-surface);
  padding: var(--space-32);
  border-radius: var(--radius);
  border: var(--border);
  box-shadow: var(--shadow-card);
  color: var(--color-text);
}

.form-block h2,
.form-block h3,
.form-block-dark h2,
.form-block-dark h3,
.calc-block h2,
.calc-block h3 {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.form-group {
  margin-bottom: var(--space-16);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-4);
  font-weight: 600;
  font-size: var(--text-14);
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-family: inherit;
  font-size: var(--text-16);
  border: var(--border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 0;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.1);
}

.form-group input[type="file"] {
  background: var(--color-bg-mid);
  border: 1px dashed var(--color-border);
  padding: var(--space-12);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-block .btn,
.form-block-dark .btn,
.calc-block .btn {
  width: 100%;
  margin-top: var(--space-8);
}

.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
  align-items: start;
}

.contacts-messengers-wrap {
  margin: 0 0 1em;
}

.contacts-messengers-wrap .contacts-messengers-label {
  margin: 0 0 0.75rem;
  font-weight: 600;
  font-size: 1em;
}

.contacts-messengers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.contacts-messenger,
.contacts-messengers .messenger-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--color-text);
}

.contacts-messenger:hover,
.contacts-messengers .messenger-link:hover {
  text-decoration: none;
  opacity: 0.85;
}

.contacts-messenger img,
.contacts-messengers .messenger-link img {
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.cta-form-wrap .form-row {
  grid-template-columns: 1fr;
}

.form-group-checkbox label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-8);
  font-weight: 400;
  font-size: var(--text-14);
}

.form-group-checkbox input[type="checkbox"] {
  width: auto;
  margin-top: 0.2em;
}

.form-group-checkbox a {
  color: inherit;
  text-decoration: underline;
}

#callback-form {
  scroll-margin-top: 5rem;
}

.required {
  color: var(--color-primary);
}

.text-muted {
  color: var(--color-text-muted);
}

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-light);
}

@media (max-width: 768px) {
  .contacts-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Calculator — общий контейнер форм выше; доп. стили только для калька */
.calc-block select {
  cursor: pointer;
  appearance: auto;
}

.calc-result {
  margin-top: var(--space-16);
  padding: var(--space-16);
  background: var(--color-primary-tint-bg);
  color: var(--color-text);
  border-radius: var(--radius);
  border: 1px solid var(--color-primary-tint-border);
  border-left: 4px solid var(--color-primary);
  font-weight: 600;
  animation: slideDown var(--duration-normal) var(--ease-out);
}

.calc-result span {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.calc-area-wrap {
  display: inline-flex;
  align-items: stretch;
  gap: 0;
  width: fit-content;
  max-width: 100%;
  border: 1px solid var(--color-bg-light);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}

.calc-area-wrap:focus-within {
  outline: 2px solid var(--color-primary);
  outline-offset: 0;
  border-color: var(--color-primary);
}

.calc-area-btn {
  flex-shrink: 0;
  width: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text);
  background: var(--color-bg-mid);
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  /* Отключает двойной тап-зум на мобильных, чтобы множественные нажатия меняли площадь */
  touch-action: manipulation;
}

.calc-area-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.calc-area-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.calc-area-wrap input {
  width: 4rem;
  min-width: 0;
  margin: 0;
  border: none;
  border-left: 1px solid var(--color-bg-light);
  border-right: 1px solid var(--color-bg-light);
  border-radius: 0;
  text-align: center;
  background: var(--color-surface);
  color: var(--color-text);
}

.calc-area-wrap input::-webkit-outer-spin-button,
.calc-area-wrap input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.calc-area-wrap input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.form-hint {
  display: none;
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
}

.form-group:focus-within .form-hint,
.form-group.is-invalid .form-hint {
  display: block;
}

.form-error {
  display: block;
  margin-top: 0.35rem;
  font-size: var(--text-sm);
  color: var(--color-error);
  min-height: 1.25em;
  visibility: hidden;
  animation: slideDown var(--duration-fast) var(--ease-out);
}

.form-error.is-visible {
  visibility: visible;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-group.is-invalid input:not([type="checkbox"]),
.form-group.is-invalid textarea,
.form-group.is-invalid select {
  border-color: var(--color-error-border);
  outline: 2px solid var(--color-error-outline);
  outline-offset: 0;
}

.form-group.is-invalid input:focus,
.form-group.is-invalid textarea:focus,
.form-group.is-invalid select:focus {
  border-color: var(--color-error-border);
  outline-color: var(--color-error-outline);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-group.is-invalid .form-error {
  visibility: visible;
}

/* Общая ошибка формы (429, сеть, сервер) — видна в модалке и на странице */
.form-error-message {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  background: var(--color-error-bg);
  color: var(--color-error);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-error);
  font-size: var(--text-sm, 0.9rem);
  font-weight: 500;
  animation: slideDown var(--duration-fast) var(--ease-out);
}

.form-success-message {
  margin: 0.75rem 0 0;
  padding: 0.75rem 1rem;
  background: var(--color-success-bg);
  color: var(--color-success);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-success);
  font-weight: 500;
  animation: slideDown var(--duration-fast) var(--ease-out);
}

.form-success-message p {
  margin: 0 0 0.5rem;
}

.form-success-message p:last-child {
  margin-bottom: 0;
}

.form-success-send-another {
  display: inline-block;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.form-success-send-another:hover {
  text-decoration: none;
}

.form-success-send-another:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* Скрываем кнопку «Отправить заявку», когда показано сообщение об успехе и «Отправить ещё одну заявку» */
.form-submit-hidden {
  display: none !important;
}

.calc-area-wrap.has-error {
  border-color: var(--color-error-border-strong);
  outline-color: var(--color-error-border-strong);
}

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.testimonial {
  padding: 1.25rem;
  background: var(--color-overlay-light-10);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
}

.section-alt .testimonial,
main > section.section:nth-of-type(even) .testimonial {
  background: var(--color-surface);
  color: var(--color-text);
}

.testimonial p {
  margin: 0 0 0.5rem;
  font-style: italic;
}

.testimonial cite {
  font-style: normal;
  font-size: var(--text-sm);
  opacity: 0.9;
}

/* Footer */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: 2rem 0;
}

.site-footer a {
  color: var(--color-link-on-dark);
}

.site-footer a:hover {
  color: var(--color-link-on-dark-hover);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-title {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.footer-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-menu li { margin-bottom: 0.35rem; }

.footer-address,
.footer-col p {
  margin: 0 0 0.5rem;
  font-size: var(--text-sm);
}

.footer-map-col .map-wrap {
  max-width: 100%;
  height: 240px;
  margin-top: 0.5rem;
}

.footer-map-col .map-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: 200px;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-on-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.footer-copy { margin: 0; font-size: var(--text-sm); opacity: 0.9; }

.footer-reqs { margin: 0.25rem 0 0; font-size: var(--text-xs); opacity: 0.85; }

.footer-bottom p { margin: 0; font-size: var(--text-sm); }

.footer-messengers {
  display: flex;
  gap: 0.75rem;
}

.footer-messengers a,
.footer-messengers .messenger-link {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-messengers a img,
.footer-messengers .messenger-link img {
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.footer-messengers a:hover,
.footer-messengers .messenger-link:hover { text-decoration: none; }

/* Prices grid (main page) — тарифы, subgrid для выравнивания карточек */
.prices-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.price-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-24) var(--space-16);
  background: var(--color-surface);
  border-radius: var(--radius);
  color: var(--color-text);
  border: var(--border);
  box-shadow: var(--shadow-card);
  transition: background var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);
  min-height: 0;
}

.section-alt .price-card,
main > section.section:nth-of-type(even) .price-card {
  background: var(--color-surface);
  color: var(--color-text);
}

.price-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.section-alt .price-card:hover,
main > section.section:nth-of-type(even) .price-card:hover {
  background: var(--color-bg-mid);
  color: var(--color-text);
}

.price-card-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-18);
  color: var(--color-text);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.price-card-includes {
  margin-top: 0.35rem;
  font-size: var(--text-sm);
  line-height: 1.4;
  opacity: 0.9;
}

.price-card-value {
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary);
}

/* Планшет: 2 колонки */
@media (min-width: 560px) {
  .prices-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

/* Десктоп: 3 колонки, subgrid для выравнивания строк */
@media (min-width: 769px) {
  .prices-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto auto 1fr);
    gap: 1.5rem;
  }

  .price-card {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 3;
    padding: 1.25rem 1.25rem 1.5rem;
  }

  .price-card-name {
    grid-row: 1;
    margin-top: 0;
    align-self: start;
  }

  .price-card-includes {
    grid-row: 2;
    margin-top: 0;
    align-self: start;
  }

  .price-card-value {
    grid-row: 3;
    margin-top: 0;
    align-self: end;
  }
}

/* Блок «Дополнительно» и минимум заказа */
.prices-extra {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--color-overlay-light-05);
  border-radius: var(--radius);
  text-align: center;
}

.prices-extra-line {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-on-dark);
  opacity: 0.95;
}

.section-alt .prices-extra-line,
main > section.section:nth-of-type(even) .prices-extra-line {
  color: var(--color-text-muted);
}

.prices-extra-line + .prices-extra-line {
  margin-top: 0.5rem;
}

.prices-extra-min {
  font-size: var(--text-xs);
  opacity: 0.85;
}

@media (min-width: 560px) {
  .prices-extra {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.5rem;
    text-align: left;
  }

  .prices-extra-line + .prices-extra-line {
    margin-top: 0;
  }
}

.prices-clarify {
  margin: 1rem 0 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 52em;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-alt .prices-clarify,
main > section.section:nth-of-type(even) .prices-clarify {
  color: var(--color-text-muted);
}

.cta-form-wrap {
  max-width: var(--form-block-max-width);
  margin-left: auto;
  margin-right: auto;
}

/* Calc section */
.calc-section .container {
  display: block;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.calc-section-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calc-tips-wrap {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.calc-tip-block {
  padding: 1rem 1.25rem;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-surface);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.calc-area-tip-lead {
  margin: 0 0 0.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.calc-area-tip-list {
  margin: 0 0 0.5rem;
  padding-left: 1.25rem;
}

.calc-area-tip-list li {
  margin-bottom: 0.25rem;
}

.calc-area-tip-list li:last-child {
  margin-bottom: 0;
}

.calc-send-photo-text {
  margin: 0 0 0.75rem;
}

.calc-messengers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.calc-messengers .btn-messenger {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  text-decoration: none;
}

.calc-messengers .btn-messenger img {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.calc-messengers .btn-messenger:hover {
  text-decoration: none;
}

.calc-side {
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--color-border-subtle);
}

.calc-side-lead {
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.calc-side p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 36em;
}

.calc-side .btn {
  margin-top: 0.5rem;
}

.calc-side-form {
  margin-top: 1.5rem;
}

.calc-side-form-title {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

@media (min-width: 62em) {
  .calc-section .container {
    max-width: var(--max-width);
  }

  .calc-section-inner {
    display: grid;
    grid-template-columns: 1fr var(--form-block-max-width);
    gap: 3rem;
    align-items: start;
    justify-items: start;
  }

  .calc-section-inner .calc-block {
    order: 1;
  }

  .calc-tips-wrap {
    order: 2;
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 100%));
    gap: 1rem;
    margin-top: 0;
    align-self: start;
  }

  .calc-side {
    padding: 2rem 0 0;
    border-top: none;
    border-left: 1px solid var(--color-border-subtle);
    padding-left: 2rem;
    margin-left: 0;
  }

  .calc-side p {
    margin-bottom: 1rem;
  }
}

/* Кнопка «Наверх» */
.scroll-to-top {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 98;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(47, 128, 237, 0.82);
  color: var(--color-text-on-dark);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out), background var(--duration-normal) var(--ease-out);
}

.scroll-to-top:hover {
  background: rgba(47, 128, 237, 0.92);
  transform: translateY(-2px);
}

.scroll-to-top:focus-visible {
  outline: 2px solid var(--color-primary-dark);
  outline-offset: 2px;
}

.scroll-to-top[hidden] {
  display: none;
}

@media (min-width: 796px) {
  .scroll-to-top {
    left: 1.5rem;
    bottom: 1.5rem;
  }
}

/* Floating messenger buttons */
.messenger-float {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  left: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 99;
  pointer-events: none;
}
.messenger-float > * {
  pointer-events: auto;
}

.messenger-float a,
.messenger-float .messenger-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  text-decoration: none;
  transition: transform 0.2s;
}

.messenger-float a img,
.messenger-float .messenger-link img {
  display: block;
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.messenger-float a:hover,
.messenger-float .messenger-link:hover {
  transform: scale(1.05);
  text-decoration: none;
}

@media (min-width: 796px) {
  .messenger-float {
    bottom: 4.5rem;
    right: 1.5rem;
  }
}

/* Map */
.map-placeholder,
.map-wrap {
  border-radius: var(--radius);
}

.map-placeholder {
  height: 300px;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

/* Video block */
.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-bg-dark);
}

.video-wrap iframe,
.video-wrap video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  visibility: hidden;
  opacity: 0;
  transition: visibility var(--duration-normal) var(--ease-out), opacity var(--duration-normal) var(--ease-out);
}

.modal.is-open {
  visibility: visible;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--color-overlay-dark-60);
  cursor: pointer;
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  padding: var(--space-32);
  transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  background: transparent;
  font-size: 1.75rem;
  line-height: 2rem;
  cursor: pointer;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close::before {
  content: '\00D7';
  display: block;
  font-weight: 300;
}

.modal-close:hover {
  color: var(--color-primary);
}

.modal-close:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.modal-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.modal-desc {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.modal .form-group {
  margin-bottom: var(--space-16);
}

.modal .btn {
  width: 100%;
  margin-top: var(--space-8);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--color-overlay-dark-90);
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.2s, opacity 0.2s;
}

.lightbox.is-open {
  visibility: visible;
  opacity: 1;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: none;
  background: var(--color-overlay-light-20);
  color: var(--color-text-on-dark);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close span {
  display: block;
  margin-top: -0.1em;
}

.lightbox-close:hover {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: none;
  background: var(--color-overlay-light-20);
  color: var(--color-text-on-dark);
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--color-overlay-light-30);
  color: var(--color-text-on-dark);
}

.lightbox-inner {
  max-width: 90vw;
  max-height: 85vh;
  text-align: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 65vh;
  width: auto;
  height: auto;
  border-radius: var(--radius);
  display: block;
}

.lightbox-caption {
  margin: 0.75rem 0 0;
  padding: 0.5rem 0;
  color: var(--color-text-on-dark);
  font-size: 1rem;
  max-width: 90vw;
}

.lightbox-caption .lightbox-title {
  margin: 0 0 0.25rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.lightbox-caption .lightbox-desc {
  margin: 0 0 0.25rem;
  opacity: 0.9;
}

.lightbox-caption .lightbox-price {
  margin: 0;
  font-weight: 600;
  opacity: 0.95;
}

/* ——— Scroll reveal: исследование сайта с направляющей анимацией ——— */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .reveal-delay-1, .reveal-delay-2, .reveal-delay-3,
  .reveal-delay-4, .reveal-delay-5, .reveal-delay-6 { transition-delay: 0s; }
}

.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }
.reveal-delay-5 { transition-delay: 0.25s; }
.reveal-delay-6 { transition-delay: 0.3s; }

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }