/* ==========================================================================
   KRONA° — Swiss Editorial Architecture Landing Page
   Чистый CSS (Custom Properties, Grid, Clamp, Micro-interactions)
   ========================================================================== */

:root {
  /* Палитра: Теплый алебастр, глубокий графит и терракотовый акцент */
  --bg-main: #f4f1ea;
  --bg-elevated: #fbf9f5;
  --bg-dark: #161615;
  --bg-dark-card: #20201e;

  --text-main: #181817;
  --text-muted: #68655f;
  --text-light: #f4f1ea;
  --text-light-muted: #9e9b93;

  --border-color: #dcd7cc;
  --border-dark: #302f2c;

  --accent: #b85d3b;
  --accent-hover: #9e4b2c;
  --pine: #2c4a3e;

  /* Типографика */
  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Размеры и сетка */
  --container-max: 1380px;
  --gutter: clamp(1.25rem, 3vw, 2.75rem);
  --header-h: 76px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Сброс стилей */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
  color: var(--text-main);
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.55;
  background-color: var(--bg-main);
  color: var(--text-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

/* Контейнер с видимыми боковыми линиями журнальной сетки */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Типографические утилиты */
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

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

.section {
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.2rem, 4.2vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-top: 0.75rem;
}

.section-title--light {
  color: var(--text-light);
}

.section-desc {
  color: var(--text-muted);
  font-size: clamp(0.95rem, 1.1vw, 1.06rem);
  max-width: 52ch;
}

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

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.95rem 1.65rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 2px;
  transition:
    background-color 0.3s var(--ease-out),
    color 0.3s var(--ease-out),
    border-color 0.3s var(--ease-out),
    transform 0.25s var(--ease-out);
}

.btn svg {
  transition: transform 0.3s var(--ease-out);
}

.btn:hover svg {
  transform: translate(2px, -2px);
}

.btn--primary {
  background-color: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn--outline {
  border: 1px solid var(--text-main);
  color: var(--text-main);
}

.btn--outline:hover {
  background-color: var(--text-main);
  color: var(--bg-main);
}

.btn--ghost {
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.35);
}

.btn--ghost:hover {
  border-color: var(--text-main);
}

.btn--sm {
  padding: 0.6rem 1.15rem;
  font-size: 0.8rem;
}

.btn--full {
  width: 100%;
  padding: 1.15rem 1.75rem;
}

/* ==========================================================================
   ШАПКА (HEADER)
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background-color: rgba(244, 241, 234, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.header__grid {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header__logo {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-right: 1.5rem;
  border-right: 1px solid var(--border-color);
}

.logo-mark {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.logo-sub {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.4vw, 2.5rem);
}

.header__link {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.25s ease;
}

.header__link span {
  font-size: 0.7rem;
  color: var(--accent);
  vertical-align: super;
}

.header__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-main);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}

.header__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.burger span {
  width: 18px;
  height: 1.5px;
  background-color: var(--text-main);
  transition: transform 0.3s ease;
}

/* ==========================================================================
   1. HERO СЕКЦИЯ
   ========================================================================== */
.hero {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
  border-bottom: 1px solid var(--border-color);
}

.hero__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.75rem, 6.4vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: clamp(1.5rem, 3vw, 2.5rem) 0;
}

.hero__title em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

.hero__lead-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: end;
  padding-bottom: clamp(2rem, 4vw, 3.25rem);
}

.hero__lead {
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  color: var(--text-muted);
  max-width: 58ch;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: flex-end;
}

/* Статистика в стиле швейцарской таблицы */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.stat-card {
  padding: clamp(1.25rem, 2.2vw, 2rem);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.65rem;
}

.stat-card:last-child {
  border-right: none;
}

.stat-card__index {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.stat-card__num {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 3.6vw, 3.25rem);
  font-weight: 500;
  line-height: 1;
}

.stat-card__num em {
  font-size: 0.55em;
  font-style: italic;
  font-weight: 400;
  color: var(--text-muted);
}

.stat-card__label {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* Главное фото */
.hero__image-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background-color: var(--bg-dark);
}

.hero__image {
  width: 100%;
  height: clamp(320px, 54vw, 660px);
  transform: scale(1.03);
  transition: transform 1.4s var(--ease-out);
}

.hero__image-wrap:hover .hero__image {
  transform: scale(1);
}

.hero__image-caption {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.9rem 1.25rem;
  background-color: var(--bg-elevated);
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ==========================================================================
   2. СЛАЙДЕР «ДО / ПОСЛЕ»
   ========================================================================== */
.ba-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.chip {
  padding: 0.45rem 0.95rem;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  transition: all 0.25s ease;
}

.chip:hover,
.chip.is-active {
  background-color: var(--text-main);
  color: var(--bg-main);
  border-color: var(--text-main);
}

.ba-slider {
  position: relative;
  width: 100%;
  height: clamp(320px, 52vw, 620px);
  overflow: hidden;
  user-select: none;
  border: 1px solid var(--border-color);
  cursor: ew-resize;
  touch-action: pan-y;
}

.ba-slider__layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ba-slider__layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

/* Верхний слой «До» обрезается по переменной --slider-pos */
.ba-slider__layer--before {
  clip-path: inset(0 calc(100% - var(--slider-pos, 50%)) 0 0);
}

.ba-slider__layer--before img {
  filter: grayscale(85%) contrast(1.08) brightness(0.92);
}

.ba-badge {
  position: absolute;
  bottom: 1.25rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background-color: rgba(22, 22, 21, 0.82);
  color: #fff;
  backdrop-filter: blur(6px);
}

.ba-badge--before {
  left: 1.25rem;
}

.ba-badge--after {
  right: 1.25rem;
}

.ba-slider__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--slider-pos, 50%);
  transform: translateX(-50%);
  width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  outline: none;
}

.ba-slider__line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: #fff;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.35);
}

.ba-slider__button {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--bg-main);
  color: var(--text-main);
  border: 1px solid var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.ba-slider:hover .ba-slider__button,
.ba-slider__handle:focus-visible .ba-slider__button {
  transform: scale(1.08);
  background-color: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.ba-caption-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border-color);
  border-top: none;
  background-color: var(--bg-elevated);
}

.ba-caption-item {
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.ba-caption-item:last-child {
  border-right: none;
}

.ba-caption-item span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.ba-caption-item strong {
  font-size: 0.95rem;
  font-weight: 600;
}

/* ==========================================================================
   3. ИНТЕРАКТИВНЫЙ КАТАЛОГ ПРОЕКТОВ + ПЛАВАЮЩЕЕ ПРЕВЬЮ
   ========================================================================== */
.projects-table {
  border-top: 1px solid var(--text-main);
}

.projects-table__head {
  display: grid;
  grid-template-columns: 60px 2.2fr 1.1fr 0.8fr 0.9fr 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.project-row {
  display: grid;
  grid-template-columns: 60px 2.2fr 1.1fr 0.8fr 0.9fr 1fr;
  gap: 1rem;
  align-items: center;
  padding: clamp(1.35rem, 2.4vw, 2rem) 0;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition:
    background-color 0.3s ease,
    padding-left 0.35s var(--ease-out),
    padding-right 0.35s var(--ease-out);
}

.project-row:hover,
.project-row:focus-visible {
  background-color: var(--bg-elevated);
  padding-left: 1rem;
  padding-right: 1rem;
  outline: none;
}

.project-row__num {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-muted);
}

.project-row__title {
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  font-weight: 500;
  line-height: 1.15;
  transition: color 0.25s ease;
}

.project-row:hover .project-row__title {
  color: var(--accent);
}

.project-row__subtitle {
  display: block;
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.project-row__loc,
.project-row__area,
.project-row__time {
  font-size: 0.92rem;
}

.project-row__area {
  font-weight: 600;
}

.project-row__action {
  justify-self: end;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.25s ease, transform 0.25s ease;
}

.project-row:hover .project-row__action {
  color: var(--accent);
  transform: translateX(4px);
}

/* Плавающее превью за курсором */
.cursor-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  height: 220px;
  pointer-events: none;
  z-index: 80;
  opacity: 0;
  transform: translate3d(-50%, -50%, 0) scale(0.88);
  transition: opacity 0.28s var(--ease-out), transform 0.28s var(--ease-out);
}

.cursor-preview.is-visible {
  opacity: 1;
  transform: translate3d(-50%, -50%, 0) scale(1);
}

.cursor-preview__inner {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--text-main);
  background-color: var(--bg-dark);
  box-shadow: 0 22px 45px rgba(0, 0, 0, 0.25);
}

.cursor-preview__inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cursor-preview__tag {
  position: absolute;
  bottom: 0.65rem;
  left: 0.65rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background-color: var(--bg-main);
  color: var(--text-main);
}

/* ==========================================================================
   4. ИНТЕРАКТИВНЫЙ КАЛЬКУЛЯТОР СТОИМОСТИ
   ========================================================================== */
.calculator-section {
  background-color: var(--bg-dark);
  color: var(--text-light);
  border-bottom-color: var(--border-dark);
}

.calculator-section .section-header {
  border-bottom-color: var(--border-dark);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.calc-group {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-dark);
}

.calc-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.calc-group__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.15rem;
}

.calc-step {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light-muted);
}

.calc-hint {
  font-size: 0.8rem;
  color: var(--text-light-muted);
}

.calc-area-output {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
}

.calc-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.calc-options--2col {
  grid-template-columns: repeat(2, 1fr);
}

.calc-radio input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.calc-radio__box {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  height: 100%;
  padding: 1.15rem;
  border: 1px solid var(--border-dark);
  background-color: var(--bg-dark-card);
  cursor: pointer;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.calc-radio input:checked + .calc-radio__box {
  border-color: var(--accent);
  background-color: rgba(184, 93, 59, 0.12);
}

.calc-radio__title {
  font-weight: 600;
  font-size: 0.95rem;
}

.calc-radio__sub {
  font-size: 0.78rem;
  color: var(--text-light-muted);
  line-height: 1.4;
}

/* Ползунок площади */
.range-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border-dark);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-dark);
  box-shadow: 0 0 0 1px var(--accent);
  transition: transform 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-dark);
  box-shadow: 0 0 0 1px var(--accent);
}

.range-marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-light-muted);
}

/* Чекбоксы опций */
.calc-checks {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calc-check {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-dark);
  background-color: var(--bg-dark-card);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.calc-check:hover {
  border-color: #4a4843;
}

.calc-check input {
  position: absolute;
  opacity: 0;
}

.calc-check__mark {
  width: 18px;
  height: 18px;
  border: 1px solid var(--text-light-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.calc-check input:checked + .calc-check__mark {
  background-color: var(--accent);
  border-color: var(--accent);
}

.calc-check input:checked + .calc-check__mark::after {
  content: "✓";
  font-size: 0.75rem;
  color: #fff;
}

.calc-check__text {
  font-size: 0.9rem;
}

/* Карточка итоговой сметы справа */
.calc-summary {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

.calc-summary__badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.calc-summary__label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light-muted);
}

.calc-summary__price {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 3.6rem);
  font-weight: 600;
  line-height: 1.05;
  margin-top: 0.35rem;
  color: #fff;
}

.calc-summary__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.metric-box__label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-light-muted);
  margin-bottom: 0.25rem;
}

.metric-box__val {
  font-size: 1.15rem;
  font-weight: 600;
}

.calc-summary__breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.86rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-light-muted);
}

.breakdown-row strong {
  color: var(--text-light);
  font-weight: 500;
  text-align: right;
}

.calc-summary__note {
  margin-top: 0.85rem;
  font-size: 0.75rem;
  color: var(--text-light-muted);
  line-height: 1.45;
}

/* ==========================================================================
   5. ЭТАПЫ РАБОТЫ (PROCESS)
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
}

.process-card {
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.process-card:last-child {
  border-right: none;
}

.process-card__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.process-card__num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
  line-height: 1;
  color: var(--accent);
}

.process-card__duration {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.process-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
}

.process-card__text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   6. ФОРМА ЗАХВАТА ЛИДА И КОНТАКТЫ
   ========================================================================== */
.contact-box {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.contact-box__lead {
  margin-top: 1.25rem;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.contact-details {
  margin-top: 2.25rem;
  border-top: 1px solid var(--border-color);
}

.contact-detail {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-detail span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.contact-detail strong {
  font-size: 1rem;
  font-weight: 500;
}

.contact-detail a:hover {
  color: var(--accent);
}

/* Форма */
.lead-form {
  position: relative;
  padding: clamp(1.75rem, 3.2vw, 2.75rem);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
}

.lead-form__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.lead-form__header h3 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
}

.lead-form__status {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.lead-form__preset {
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
  background-color: var(--bg-main);
  border-left: 3px solid var(--accent);
  font-size: 0.84rem;
}

.lead-form__preset-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lead-form__preset-value {
  display: block;
  margin-top: 0.2rem;
  font-weight: 600;
}

.form-field {
  margin-bottom: 1.25rem;
}

.form-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--text-main);
}

.form-field.has-error input {
  border-color: #c93b2b;
}

.form-error {
  display: none;
  font-size: 0.76rem;
  color: #c93b2b;
  margin-top: 0.35rem;
}

.form-field.has-error .form-error {
  display: block;
}

.form-privacy {
  margin-top: 0.85rem;
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.form-success {
  position: absolute;
  inset: 0;
  background-color: var(--bg-elevated);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
}

.form-success[hidden] {
  display: none;
}

.form-success__icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: var(--pine);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.form-success h4 {
  font-family: var(--font-serif);
  font-size: 2rem;
}

.form-success p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 38ch;
}

/* ==========================================================================
   ПОДВАЛ (FOOTER)
   ========================================================================== */
.footer {
  padding: 2.5rem 0;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.footer__grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer__Brand .logo-mark {
  color: var(--text-main);
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a:hover,
.footer__up:hover {
  color: var(--text-main);
}

.footer__meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* ==========================================================================
   МОДАЛЬНОЕ ОКНО ПРОЕКТА
   ========================================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(22, 22, 21, 0.72);
  backdrop-filter: blur(5px);
}

.modal__dialog {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 920px;
  max-height: 90vh;
  overflow-y: auto;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 3;
  width: 38px;
  height: 38px;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.modal__image-wrap {
  position: relative;
  min-height: 360px;
}

.modal__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal__badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  background-color: rgba(22, 22, 21, 0.85);
  color: #fff;
}

.modal__content {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}

.modal__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  line-height: 1.1;
}

.modal__subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.modal__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.modal__specs div span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.modal__desc {
  font-size: 0.92rem;
  color: var(--text-muted);
}

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

/* ==========================================================================
   АНИМАЦИЯ ПОЯВЛЕНИЯ ПРИ СКРОЛЛЕ (IntersectionObserver)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
}

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

/* ==========================================================================
   АДАПТИВНОСТЬ (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
  .section-header,
  .hero__lead-grid,
  .calc-grid,
  .contact-box,
  .modal__dialog {
    grid-template-columns: 1fr;
  }

  .hero__cta-group {
    justify-content: flex-start;
  }

  .hero__stats,
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card:nth-child(2),
  .process-card:nth-child(2) {
    border-right: none;
  }

  .stat-card:nth-child(-n + 2),
  .process-card:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border-color);
  }

  .projects-table__head {
    display: none;
  }

  .project-row {
    grid-template-columns: 40px 1fr auto;
    row-gap: 0.35rem;
  }

  .project-row__loc,
  .project-row__time {
    display: none;
  }

  .cursor-preview {
    display: none;
  }
}

@media (max-width: 720px) {
  .header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem var(--gutter);
    gap: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease-out), opacity 0.25s ease;
  }

  .header__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .burger {
    display: flex;
  }

  .logo-sub {
    display: none;
  }

  .hero__stats,
  .process-grid,
  .ba-caption-grid,
  .calc-options,
  .calc-options--2col {
    grid-template-columns: 1fr;
  }

  .stat-card,
  .process-card,
  .ba-caption-item {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .project-row {
    grid-template-columns: 1fr;
  }

  .project-row__action {
    justify-self: start;
  }
}