/* =============================================
   Автор — мебель на заказ
   Тёплый минимализм с деревом
   ============================================= */

:root {
  --bg:            #FAF7F2;
  --bg-alt:        #F1EBE0;
  --surface:       #FFFFFF;
  --ink:           #1F1A14;
  --ink-soft:      #4A4036;
  --muted:         #8A7E6E;
  --line:          #E4DCCB;
  --wood:          #B98A5C;
  --wood-dark:     #8C5E33;
  --accent:        #5A3A22;
  --success:       #2F7A4A;
  --shadow-sm:     0 1px 2px rgba(31, 26, 20, 0.06);
  --shadow-md:     0 8px 24px -8px rgba(31, 26, 20, 0.18);
  --shadow-lg:     0 24px 60px -20px rgba(31, 26, 20, 0.25);
  --radius-sm:     8px;
  --radius:        16px;
  --radius-lg:     24px;
  --font-serif:    'Cormorant Garamond', 'Times New Roman', serif;
  --font-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container:     1200px;
  --gutter:        24px;
  --transition:    200ms ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--wood-dark); }

button { font: inherit; cursor: pointer; }

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

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--wood-dark);
  margin-bottom: 16px;
}
.eyebrow--light { color: var(--bg); opacity: 0.85; }

.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }

.section__head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section__title {
  font-size: clamp(32px, 4.2vw, 52px);
  margin-bottom: 16px;
}
.section__lede {
  color: var(--ink-soft);
  font-size: 18px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover { background: var(--accent); color: var(--bg); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: var(--bg); }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--full { width: 100%; padding: 16px; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 76px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--bg);
  border-radius: 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
}
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__title { font-family: var(--font-serif); font-size: 22px; font-weight: 700; }
.logo__sub { font-size: 11px; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }

.nav {
  margin-left: auto;
  display: flex;
  gap: 28px;
}
.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
}
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--wood);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }

.header__cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.phone {
  font-weight: 600;
  color: var(--ink);
  font-size: 15px;
}

.burger {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: none;
  padding: 8px;
  flex-direction: column;
  justify-content: space-between;
}
.burger span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

.hero { padding: 80px 0 96px; }
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero__title {
  font-size: clamp(44px, 6vw, 76px);
  margin-bottom: 24px;
}
.hero__title em {
  font-style: italic;
  color: var(--wood-dark);
}
.hero__lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 520px;
  margin: 0 0 32px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}
.hero__stats {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  gap: 48px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--ink);
}
.hero__stats span {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
}
.hero__img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__badge {
  position: absolute;
  left: 24px; bottom: 24px;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-md);
}
.hero__badge-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--wood-dark);
  line-height: 1;
}
.hero__badge-text {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.3;
}

/* ---------- Features ---------- */

.features {
  padding: 0 0 64px;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 32px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
}
.feature {
  padding: 16px;
}
.feature__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--bg);
  color: var(--wood-dark);
  border-radius: 12px;
  margin-bottom: 16px;
}
.feature__icon svg { width: 22px; height: 22px; }
.feature h3 {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}
.feature p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- Services ---------- */

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  color: var(--ink);
}
.service-card__img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-alt);
}
.service-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}
.service-card:hover .service-card__img img { transform: scale(1.04); }
.service-card__body { padding: 24px; }
.service-card__body h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  margin-bottom: 8px;
}
.service-card__body p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 15px;
}
.service-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--wood-dark);
}

/* ---------- Process ---------- */

.process {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process__step {
  padding: 28px 24px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  position: relative;
}
.process__num {
  display: inline-block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 36px;
  color: var(--wood);
  line-height: 1;
  margin-bottom: 16px;
}
.process__step h3 {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}
.process__step p { margin: 0; font-size: 14px; color: var(--ink-soft); }

/* ---------- Portfolio ---------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 16px;
}
.gallery__item {
  margin: 0;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-alt);
  grid-column: span 1;
  grid-row: span 1;
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.gallery__item:hover img { transform: scale(1.05); }
.gallery__item--lg { grid-column: span 2; grid-row: span 2; }
.gallery__item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 16px 18px;
  background: linear-gradient(to top, rgba(31,26,20,0.78), rgba(31,26,20,0));
  color: var(--bg);
  font-size: 14px;
  font-weight: 500;
}

/* ---------- Reviews ---------- */

.reviews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review {
  padding: 28px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.review__stars {
  color: var(--wood);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.review p {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink);
}
.review footer { font-size: 14px; color: var(--ink-soft); }
.review footer strong { color: var(--ink); margin-right: 4px; }

/* ---------- Calculator section ---------- */

.section--calculator {
  background:
    radial-gradient(60% 80% at 20% 0%, rgba(185, 138, 92, 0.10), transparent 60%),
    radial-gradient(60% 80% at 100% 100%, rgba(140, 94, 51, 0.08), transparent 60%),
    var(--bg-alt);
}

.calc__wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.calc-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

/* Step indicator */
.calc-steps {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.calc-step {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--muted);
  transition: color var(--transition);
}
.calc-step__num {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  background: var(--bg);
  transition: all var(--transition);
}
.calc-step__label {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.calc-step--active { color: var(--ink); }
.calc-step--active .calc-step__num {
  background: var(--wood-dark);
  border-color: var(--wood-dark);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(140, 94, 51, 0.15);
}
.calc-step--active .calc-step__label { color: var(--wood-dark); font-weight: 600; }
.calc-step--done .calc-step__num {
  background: var(--bg-alt);
  border-color: var(--wood-dark);
  color: var(--wood-dark);
}
.calc-step--done .calc-step__label { color: var(--ink-soft); }
.calc-step__line {
  flex: 1;
  height: 1.5px;
  background: var(--line);
  transition: background var(--transition);
  min-width: 16px;
}
.calc-step__line.done { background: var(--wood-dark); }

/* Fieldset */
.calc-fieldset { border: none; padding: 0; margin: 0; }
.calc-fieldset__legend {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 22px;
  padding: 0;
  letter-spacing: -0.01em;
}

/* Furniture types — step 1 */
.furniture-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.furniture-type { position: relative; }
.furniture-type input { position: absolute; opacity: 0; width: 0; height: 0; }
.furniture-type__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 12px;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
}
.furniture-type__card:hover {
  border-color: var(--wood);
  background: #FBF6EE;
  transform: translateY(-1px);
}
.furniture-type__card svg { color: var(--muted); transition: color var(--transition); }
.furniture-type input:checked + .furniture-type__card {
  background: #F4E9D7;
  border-color: var(--wood-dark);
  box-shadow: 0 0 0 4px rgba(140, 94, 51, 0.10);
}
.furniture-type input:checked + .furniture-type__card svg { color: var(--wood-dark); }
.furniture-type input:focus-visible + .furniture-type__card { outline: 3px solid var(--wood-dark); outline-offset: 2px; }
.furniture-type__name { font-size: 14px; font-weight: 600; color: var(--ink); }

/* Form basics */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-row--3 { grid-template-columns: repeat(3, 1fr); }
.form-group { margin-bottom: 18px; }
.form-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 12px;
  letter-spacing: 0.01em;
}
.form-section-hint {
  font-weight: 400;
  color: var(--muted);
  font-size: 13px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.form-label__hint {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}
.required { color: #C1483A; }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--muted); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--wood-dark);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(140, 94, 51, 0.12);
}
.form-input.invalid,
.form-select.invalid,
.form-textarea.invalid { border-color: #C1483A; }
.form-textarea { min-height: 90px; resize: vertical; line-height: 1.55; }
.form-error {
  font-size: 13px;
  color: #C1483A;
  margin-top: 6px;
  min-height: 1em;
}
.form-char-count {
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  margin: 6px 0 0;
}

/* Config cards (схемы конфигураций) */
.config-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.config-card { position: relative; }
.config-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.config-card__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 10px;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--ink-soft);
  transition: all var(--transition);
}
.config-card__inner:hover {
  border-color: var(--wood);
  background: #FBF6EE;
  color: var(--wood-dark);
}
.config-card input:checked + .config-card__inner {
  background: #F4E9D7;
  border-color: var(--wood-dark);
  color: var(--wood-dark);
  box-shadow: 0 0 0 3px rgba(140, 94, 51, 0.10);
}
.config-card input:focus-visible + .config-card__inner { outline: 3px solid var(--wood-dark); outline-offset: 2px; }
.config-card__svg { width: 80px; height: 60px; }
.config-card__name { font-size: 13px; font-weight: 600; text-align: center; color: var(--ink); }

/* Dim diagram */
.dim-block { margin: 16px 0; }
.dim-diagram {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: center;
  background: var(--bg);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.dim-svg {
  width: 100%; max-width: 180px;
  height: auto;
  display: block;
  color: var(--wood-dark);
}
.dim-inputs { display: flex; flex-direction: column; gap: 12px; }
.dim-inputs .form-group { margin: 0; }

/* Toggle group */
.toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.toggle-btn { position: relative; }
.toggle-btn input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-btn span {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.toggle-btn span:hover {
  border-color: var(--wood);
  color: var(--wood-dark);
  background: #FBF6EE;
}
.toggle-btn input:checked + span {
  background: var(--wood-dark);
  color: #fff;
  border-color: var(--wood-dark);
}
.toggle-btn input:focus-visible + span { outline: 3px solid var(--wood); outline-offset: 2px; }

/* Checkbox grid (техника) */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.checkbox-grid--3 { grid-template-columns: repeat(3, 1fr); }
.checkbox-label {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--ink);
  transition: all var(--transition);
}
.checkbox-label:hover { border-color: var(--wood); background: #FBF6EE; }
.checkbox-label:has(input:checked) {
  border-color: var(--wood-dark);
  background: #F4E9D7;
  color: var(--wood-dark);
}
.checkbox-label input { position: absolute; opacity: 0; width: 0; height: 0; }
.checkbox-custom {
  width: 18px; height: 18px;
  border: 1.5px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition);
}
.checkbox-label:has(input:checked) .checkbox-custom {
  background: var(--wood-dark);
  border-color: var(--wood-dark);
}
.checkbox-label:has(input:checked) .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.checkbox-label:has(input:focus-visible) .checkbox-custom { outline: 2px solid var(--wood-dark); outline-offset: 2px; }

/* Stepper */
.stepper {
  display: inline-flex;
  align-items: center;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition);
}
.stepper:focus-within { border-color: var(--wood-dark); box-shadow: 0 0 0 3px rgba(140, 94, 51, 0.12); }
.stepper__btn {
  width: 40px; height: 40px;
  background: transparent;
  border: none;
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.stepper__btn:hover { background: #FBF6EE; }
.stepper__btn:active { background: var(--wood-dark); color: #fff; }
.stepper__btn:disabled { color: var(--line); cursor: not-allowed; }
.stepper__input {
  width: 56px;
  text-align: center;
  border: none;
  background: transparent;
  font: inherit;
  font-weight: 600;
  color: var(--ink);
  padding: 8px 0;
}
.stepper__input:focus { outline: none; }
.stepper__input::-webkit-outer-spin-button,
.stepper__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Upload zone */
.upload-section { margin-top: 8px; }
.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 24px 0 20px;
}
.upload-zone {
  position: relative;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--wood-dark);
  background: #FBF6EE;
}
.upload-zone.dragover { box-shadow: 0 0 0 4px rgba(140, 94, 51, 0.15); }
.upload-zone__input {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}
.upload-zone__icon { color: var(--wood-dark); margin-bottom: 12px; }
.upload-zone__title { font-size: 15px; font-weight: 600; color: var(--ink); margin: 0 0 4px; }
.upload-zone__sub { font-size: 14px; color: var(--muted); margin: 0; }
.upload-zone__link { color: var(--wood-dark); text-decoration: underline; text-underline-offset: 2px; }
.upload-help { font-size: 12px; color: var(--muted); margin: 10px 0 0; line-height: 1.5; }

.upload-preview {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
}
.upload-thumb {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.upload-thumb img { width: 100%; height: 100%; object-fit: cover; }
.upload-thumb__name {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 4px 6px;
  font-size: 11px;
  color: #fff;
  background: linear-gradient(to top, rgba(0,0,0,.7), rgba(0,0,0,0));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.upload-thumb__remove {
  position: absolute;
  top: 4px; right: 4px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(31, 26, 20, 0.7);
  color: #fff;
  border: none;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: grid; place-items: center;
}
.upload-thumb__remove:hover { background: rgba(193, 72, 58, 0.85); }
.upload-thumb--file {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px;
  color: var(--wood-dark);
}
.upload-thumb--file .upload-thumb__name {
  position: static;
  background: none;
  color: var(--ink-soft);
  text-align: center;
  white-space: normal;
}

/* Contact options (step 3) */
.contact-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.contact-option {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all var(--transition);
}
.contact-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.contact-option:hover { border-color: var(--wood); color: var(--wood-dark); }
.contact-option:has(input:checked) {
  background: var(--wood-dark);
  color: #fff;
  border-color: var(--wood-dark);
}

/* Privacy checkbox */
.privacy-label {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.privacy-label input { position: absolute; opacity: 0; width: 0; height: 0; }
.privacy-label .checkbox-custom { margin-top: 1px; flex-shrink: 0; }
.privacy-label:has(input:checked) .checkbox-custom {
  background: var(--wood-dark);
  border-color: var(--wood-dark);
}
.privacy-label:has(input:checked) .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.privacy-label .link { color: var(--wood-dark); text-decoration: underline; }

/* Navigation */
.calc-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.calc-nav .btn--ghost { margin-right: auto; }
.calc-nav .btn--large { padding: 16px 28px; font-size: 15px; }

/* Sidebar */
.calc__sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 100px;
}
.calc-contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.calc-contact-card__title {
  font-family: var(--font-sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 16px;
}
.calc-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  transition: color var(--transition);
}
.calc-contact-item:last-child { border-bottom: none; padding-bottom: 0; }
.calc-contact-item:first-of-type { padding-top: 0; }
.calc-contact-item--static { cursor: default; }
.calc-contact-item:hover:not(.calc-contact-item--static) { color: var(--wood-dark); }
.calc-contact-item svg { color: var(--wood-dark); flex-shrink: 0; }
.calc-contact-item__label { font-size: 12px; color: var(--muted); display: block; }
.calc-contact-item__value { font-size: 14px; font-weight: 600; color: var(--ink); }

.calc-promise,
.calc-response-time {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.calc-promise p,
.calc-response-time p { margin: 0; }
.calc-promise svg,
.calc-response-time svg { color: var(--wood-dark); flex-shrink: 0; margin-top: 1px; }

/* Success message */
.calc-success {
  max-width: 540px;
  margin: 40px auto 0;
  padding: 40px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}
.calc-success__icon {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  display: grid; place-items: center;
  background: #E4F3EA;
  color: #2F7A4A;
  border-radius: 50%;
}
.calc-success__title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 12px;
}
.calc-success__text { font-size: 15px; color: var(--ink-soft); margin: 0 0 24px; }

/* ---------- Contacts ---------- */

.contacts {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 32px;
  align-items: start;
}
.contacts__col h3 {
  font-family: var(--font-sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 8px;
  margin-top: 24px;
}
.contacts__col h3:first-child { margin-top: 0; }
.contacts__col p {
  margin: 0;
  font-size: 17px;
  color: var(--ink);
}
.contacts__col a { color: var(--ink); border-bottom: 1px dashed var(--line); }
.contacts__col a:hover { color: var(--wood-dark); border-color: var(--wood-dark); }
.contacts__links {
  display: flex; gap: 16px; flex-wrap: wrap;
}
.contacts__map {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-alt);
  aspect-ratio: 4 / 3;
}
.contacts__map img { width: 100%; height: 100%; object-fit: cover; }

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

.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding: 40px 0;
}
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.site-footer__brand {
  display: flex; align-items: center; gap: 12px;
}
.site-footer__brand div { display: flex; flex-direction: column; line-height: 1.2; }
.site-footer__brand strong { font-family: var(--font-serif); font-size: 18px; }
.site-footer__brand span { font-size: 12px; color: var(--muted); }
.site-footer__nav { display: flex; gap: 24px; flex-wrap: wrap; }
.site-footer__nav a { font-size: 14px; color: var(--ink-soft); }
.site-footer__copy { font-size: 13px; color: var(--muted); margin: 0; }

/* ---------- Floating WhatsApp ---------- */

.fab {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--shadow-md);
  z-index: 60;
  transition: transform var(--transition);
}
.fab:hover { transform: scale(1.08); color: #fff; }
.fab svg { width: 28px; height: 28px; }

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

@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .services { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .reviews { grid-template-columns: 1fr; }
  .contacts { grid-template-columns: 1fr 1fr; }
  .contacts__map { grid-column: 1 / -1; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__media { max-width: 540px; margin: 0 auto; aspect-ratio: 4 / 3; }

  .calc__wrapper { grid-template-columns: 1fr; }
  .calc__sidebar { position: static; }
  .furniture-types { grid-template-columns: repeat(3, 1fr); }
  .checkbox-grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 64px; }
  .section__head { margin-bottom: 36px; }

  .header__cta .phone { display: none; }
  .nav {
    display: none;
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 20px var(--gutter);
    gap: 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .nav.is-open { display: flex; }
  .burger { display: flex; margin-left: auto; }
  .burger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .burger.is-open span:nth-child(2) { opacity: 0; }
  .burger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .features__grid { grid-template-columns: 1fr; padding: 16px; }
  .services { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .gallery__item--lg { grid-column: span 2; grid-row: span 2; }
  .contacts { grid-template-columns: 1fr; }
  .hero__stats { gap: 24px; }
  .hero__stats strong { font-size: 24px; }

  /* Calculator mobile */
  .calc-form { padding: 20px; }
  .calc-fieldset__legend { font-size: 22px; }
  .calc-steps { flex-wrap: nowrap; gap: 6px; }
  .calc-step__label { display: none; }
  .calc-step__line { min-width: 24px; }
  .furniture-types { grid-template-columns: repeat(2, 1fr); }
  .config-cards { grid-template-columns: repeat(2, 1fr); }
  .form-row,
  .form-row--3 { grid-template-columns: 1fr; }
  .dim-diagram { grid-template-columns: 1fr; gap: 16px; }
  .dim-svg { margin: 0 auto; }
  .checkbox-grid,
  .checkbox-grid--3 { grid-template-columns: 1fr; }
  .calc-nav { flex-wrap: wrap; }
  .calc-nav .btn { flex: 1; justify-content: center; }
  .calc-nav .btn--large { width: 100%; }
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}