/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  --color-primary: #1C1917;
  --color-secondary: #44403C;
  --color-accent: #A16207;
  --color-accent-hover: #854D0E;
  --color-accent-light: #FEF3C7;
  --color-background: #FAFAF9;
  --color-surface: #FFFFFF;
  --color-foreground: #0C0A09;
  --color-muted: #F5F5F4;
  --color-muted-2: #E7E5E4;
  --color-border: #D6D3D1;
  --color-text: #292524;
  --color-text-muted: #78716C;
  --color-destructive: #DC2626;
  --color-success: #16A34A;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.13), 0 4px 12px rgba(0,0,0,.08);
  --shadow-accent: 0 8px 24px rgba(161,98,7,.30);

  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  --header-h: 68px;
  --container: 1200px;
  --section-py: clamp(56px, 8vw, 96px);
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
address { font-style: normal; }
input, select, textarea { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.section { padding-block: var(--section-py); }
.section--muted { background: var(--color-muted); }
.section--dark { background: var(--color-primary); }
.section--calculator { background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 40%, #FAFAF9 100%); }

/* =============================================
   TYPOGRAPHY
   ============================================= */
.section__header { text-align: center; margin-bottom: clamp(32px, 5vw, 56px); }
.section__header--light .section__title { color: #fff; }

.section__tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section__tag--light { color: #FDE68A; }

.section__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.section__title--light { color: #fff; }

.section__subtitle {
  font-size: clamp(16px, 1.5vw, 18px);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base),
              border-color var(--transition-base), box-shadow var(--transition-base),
              transform var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
}
.btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.btn:active { transform: scale(.97); }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover { background: var(--color-accent-hover); box-shadow: 0 10px 28px rgba(161,98,7,.38); }

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn--ghost:hover { background: var(--color-muted); border-color: var(--color-secondary); }

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn--outline:hover { background: var(--color-accent-light); }

.btn--large { padding: 15px 28px; font-size: 16px; }

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250,250,249,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), background var(--transition-base);
}
.header.scrolled {
  border-color: var(--color-border);
  background: rgba(250,250,249,.97);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo__text {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
}
.logo__text span { color: var(--color-accent); }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav__link {
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav__link:hover { color: var(--color-primary); background: var(--color-muted); }

.header__cta {
  padding: 9px 18px;
  font-size: 14px;
  flex-shrink: 0;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
  border-radius: var(--radius-sm);
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.burger:focus-visible { outline: 3px solid var(--color-accent); }

.mobile-nav {
  border-top: 1px solid var(--color-border);
  padding: 12px 0;
  background: rgba(250,250,249,.98);
}
.mobile-nav__link {
  display: block;
  padding: 12px clamp(16px, 4vw, 40px);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.mobile-nav__link:hover { background: var(--color-muted); }
.mobile-nav__link--accent { color: var(--color-accent); font-weight: 600; margin-top: 4px; }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #1C1917 0%, #292524 50%, #1C1917 100%);
}

.hero__grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: .5;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: glowPulse 6s ease-in-out infinite alternate;
}
.hero__glow--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(161,98,7,.35) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.hero__glow--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(92,51,23,.4) 0%, transparent 70%);
  bottom: -80px; left: 5%;
  animation-delay: -3s;
}
@keyframes glowPulse {
  from { transform: scale(1) translate(0, 0); opacity: .7; }
  to   { transform: scale(1.15) translate(20px, -20px); opacity: 1; }
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(56px, 8vw, 96px);
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: #FDE68A;
  backdrop-filter: blur(8px);
  margin-bottom: 28px;
}
.hero__badge svg { color: #A16207; }

.hero__title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.08;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -.02em;
}
.hero__title-accent {
  background: linear-gradient(135deg, #FDE68A, #A16207);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(16px, 1.8vw, 20px);
  color: rgba(255,255,255,.72);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 52px;
}
.hero__actions .btn--ghost {
  color: rgba(255,255,255,.85);
  border-color: rgba(255,255,255,.2);
  background: rgba(255,255,255,.06);
}
.hero__actions .btn--ghost:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.35);
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.hero__stat { text-align: center; }
.hero__stat-number {
  display: block;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.hero__stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  margin-top: 4px;
  display: block;
}
.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.15);
  flex-shrink: 0;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__scroll-dot {
  width: 6px;
  height: 6px;
  background: rgba(255,255,255,.4);
  border-radius: 50%;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: .4; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* =============================================
   SERVICES
   ============================================= */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition-slow);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.service-card__icon {
  width: 56px; height: 56px;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.service-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-card__list li {
  font-size: 14px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-card__list li::before {
  content: '';
  display: block;
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* =============================================
   WHY US
   ============================================= */
.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.why-item {
  padding: 36px 32px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  transition: background var(--transition-slow);
  position: relative;
}
.why-item:hover { background: rgba(255,255,255,.07); }

.why-item__number {
  font-size: 52px;
  font-weight: 800;
  color: rgba(255,255,255,.06);
  line-height: 1;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}

.why-item__title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.why-item__desc {
  font-size: 15px;
  color: rgba(255,255,255,.6);
  line-height: 1.65;
}

/* =============================================
   PORTFOLIO
   ============================================= */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 240px 240px;
  gap: 12px;
  margin-bottom: 32px;
}

.portfolio-item { border-radius: var(--radius-lg); overflow: hidden; position: relative; }
.portfolio-item--large { grid-column: span 2; }

.portfolio-item:last-child { grid-column: 3; grid-row: 1 / 3; }

.portfolio-item__img {
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
  display: flex;
  align-items: flex-end;
}
.portfolio-item:hover .portfolio-item__img { transform: scale(1.05); }

.portfolio-item__img--kitchen   { background: linear-gradient(135deg, #8B5E3C 0%, #5C3317 100%); }
.portfolio-item__img--wardrobe  { background: linear-gradient(135deg, #44403C 0%, #1C1917 100%); }
.portfolio-item__img--hallway   { background: linear-gradient(135deg, #6B7280 0%, #374151 100%); }
.portfolio-item__img--bedroom   { background: linear-gradient(135deg, #92400E 0%, #451A03 100%); }
.portfolio-item__img--dressing  { background: linear-gradient(135deg, #4B5563 0%, #1F2937 100%); }

/* wood-grain overlay */
.portfolio-item__img::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 20 Q25 15 50 20 Q75 25 100 20' stroke='rgba(255,255,255,0.04)' fill='none' stroke-width='1'/%3E%3Cpath d='M0 40 Q30 35 60 40 Q80 45 100 38' stroke='rgba(255,255,255,0.03)' fill='none' stroke-width='1'/%3E%3Cpath d='M0 60 Q20 55 50 62 Q75 68 100 58' stroke='rgba(255,255,255,0.04)' fill='none' stroke-width='1'/%3E%3Cpath d='M0 80 Q35 75 65 80 Q85 85 100 78' stroke='rgba(255,255,255,0.03)' fill='none' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 200px;
}

.portfolio-item__label {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.portfolio-item__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 16px 14px;
  background: linear-gradient(to top, rgba(0,0,0,.7), transparent);
  color: rgba(255,255,255,.85);
  font-size: 13px;
  font-weight: 500;
}

.portfolio__cta { text-align: center; }

/* =============================================
   PROCESS
   ============================================= */
.process__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin-inline: auto;
  position: relative;
}
.process__list::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.process-step {
  display: flex;
  gap: 28px;
  position: relative;
  padding-bottom: 36px;
}
.process-step:last-child { padding-bottom: 0; }

.process-step__number {
  width: 56px; height: 56px;
  flex-shrink: 0;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--color-accent);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.process-step__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  margin-top: 14px;
}
.process-step__desc {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* =============================================
   REVIEWS
   ============================================= */
.reviews__rating-badge {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, #A16207, #CA8A04);
  color: #fff;
  padding: 2px 14px;
  border-radius: var(--radius-full);
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 800;
  margin-right: 8px;
  vertical-align: middle;
}

.reviews__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.review-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.review-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.review-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  background: linear-gradient(135deg, #A16207, #854D0E);
}
.review-card__avatar--2 { background: linear-gradient(135deg, #44403C, #1C1917); }
.review-card__avatar--3 { background: linear-gradient(135deg, #6B7280, #374151); }

.review-card__name { font-weight: 700; color: var(--color-primary); margin-bottom: 4px; }
.review-card__stars { display: flex; gap: 2px; }
.review-card__text { font-size: 15px; color: var(--color-text-muted); line-height: 1.65; }

/* =============================================
   CALCULATOR FORM
   ============================================= */
.calc__wrapper {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.calc-form {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: clamp(24px, 4vw, 44px);
  box-shadow: var(--shadow-lg);
}

/* Steps */
.calc-steps {
  display: flex;
  align-items: center;
  margin-bottom: 36px;
  gap: 0;
}

.calc-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  cursor: default;
  padding: 0;
}
.calc-step__num {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-muted);
  background: var(--color-surface);
  transition: all var(--transition-base);
}
.calc-step__label {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
  text-align: center;
}
.calc-step--active .calc-step__num {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(161,98,7,.2);
}
.calc-step--active .calc-step__label { color: var(--color-accent); font-weight: 600; }
.calc-step--done .calc-step__num {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.calc-step__line {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  transition: background var(--transition-base);
  margin-bottom: 20px;
}
.calc-step__line.done { background: var(--color-accent); }

/* Fieldsets */
.calc-fieldset { border: none; }
.calc-fieldset__legend {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
  display: block;
  width: 100%;
}

/* Furniture type cards */
.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;
  gap: 10px;
  padding: 20px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--color-surface);
  min-height: 100px;
}
.furniture-type__card:hover { border-color: var(--color-accent); background: var(--color-accent-light); }
.furniture-type__card svg { color: var(--color-text-muted); transition: color var(--transition-base); }
.furniture-type input:checked + .furniture-type__card {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  box-shadow: 0 0 0 4px rgba(161,98,7,.15);
}
.furniture-type input:checked + .furniture-type__card svg { color: var(--color-accent); }
.furniture-type input:focus-visible + .furniture-type__card { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.furniture-type__name { font-size: 14px; font-weight: 600; color: var(--color-text); text-align: center; }

/* Material options */
.material-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.material-option { position: relative; }
.material-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.material-option__card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}
.material-option__card:hover { border-color: var(--color-accent); }
.material-option input:checked + .material-option__card {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}
.material-option input:focus-visible + .material-option__card { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.material-option__swatch {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.material-option__swatch--ldsp { background: linear-gradient(135deg, #D4A76A, #B8864E); }
.material-option__swatch--mdf  { background: linear-gradient(135deg, #E8E8E4, #C8C8C0); }
.material-option__swatch--solid { background: linear-gradient(135deg, #8B5E3C, #5C3317); }
.material-option__swatch--veneer { background: linear-gradient(135deg, #C4922A, #92651A); }
.material-option__name { font-weight: 600; font-size: 15px; color: var(--color-primary); }
.material-option__price { font-size: 13px; color: var(--color-text-muted); margin-top: 2px; }

/* Budget options */
.budget-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.budget-option { position: relative; }
.budget-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.budget-option span {
  display: block;
  padding: 8px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-text);
}
.budget-option span:hover { border-color: var(--color-accent); color: var(--color-accent); }
.budget-option input:checked + span {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.budget-option input:focus-visible + span { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* Contact options */
.contact-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.contact-option { position: relative; }
.contact-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.contact-option > svg, .contact-option > span { display: none; }
.contact-option {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-text);
}
.contact-option:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  color: var(--color-accent);
}
.contact-option:has(input:focus-visible) { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.contact-option:hover { border-color: var(--color-accent); }

/* Form elements */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-row--3 { grid-template-columns: 1fr 1fr 1fr; }

.form-group { margin-bottom: 20px; }
.form-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  margin-top: 4px;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.form-label__hint {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-muted);
  display: block;
  margin-top: 2px;
}

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

.form-input, .form-select, .form-textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
  appearance: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-muted); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(161,98,7,.18);
}
.form-input.invalid, .form-select.invalid, .form-textarea.invalid {
  border-color: var(--color-destructive);
  box-shadow: 0 0 0 3px rgba(220,38,38,.12);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2378716C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-textarea { min-height: 120px; resize: vertical; line-height: 1.6; }

.form-error {
  font-size: 13px;
  color: var(--color-destructive);
  margin-top: 6px;
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.form-error:not(:empty)::before {
  content: '';
  display: block;
  width: 14px; height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23DC2626' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='15' y1='9' x2='9' y2='15'/%3E%3Cline x1='9' y1='9' x2='15' y2='15'/%3E%3C/svg%3E");
  flex-shrink: 0;
}

.form-char-count {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: 4px;
}

.form-tooltip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  font-size: 11px;
  color: var(--color-text-muted);
  cursor: help;
  font-weight: 700;
  position: relative;
}
.form-tooltip:focus-visible { outline: 2px solid var(--color-accent); }

/* Checkbox */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text);
  transition: all var(--transition-base);
  min-height: 44px;
}
.checkbox-label:hover { border-color: var(--color-accent); background: var(--color-accent-light); }
.checkbox-label:has(input:checked) { border-color: var(--color-accent); background: var(--color-accent-light); color: var(--color-accent); }
.checkbox-label input { position: absolute; opacity: 0; width: 0; height: 0; }
.checkbox-custom {
  width: 18px; height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  flex-shrink: 0;
  transition: all var(--transition-base);
  position: relative;
}
.checkbox-label:has(input:checked) .checkbox-custom {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.checkbox-label:has(input:checked) .checkbox-custom::after {
  content: '';
  position: absolute;
  top: 1px; left: 4px;
  width: 6px; height: 10px;
  border: 2px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
.checkbox-label:has(input:focus-visible) .checkbox-custom { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.privacy-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 8px;
  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(--color-accent);
  border-color: var(--color-accent);
}
.privacy-label:has(input:checked) .checkbox-custom::after {
  content: '';
  position: absolute;
  top: 1px; left: 4px;
  width: 6px; height: 10px;
  border: 2px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
.link { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }

/* Upload zone */
.upload-zone {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  background: var(--color-muted);
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}
.upload-zone:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.upload-zone.dragover { box-shadow: 0 0 0 4px rgba(161,98,7,.2); }

.upload-zone__input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%; height: 100%;
}
.upload-zone__icon {
  color: var(--color-text-muted);
  margin: 0 auto 12px;
  transition: color var(--transition-base);
}
.upload-zone:hover .upload-zone__icon { color: var(--color-accent); }

.upload-zone__title { font-size: 16px; font-weight: 600; color: var(--color-text); margin-bottom: 4px; }
.upload-zone__sub { font-size: 14px; color: var(--color-text-muted); }
.upload-zone__link { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }

.upload-help { font-size: 13px; color: var(--color-text-muted); margin-top: 10px; line-height: 1.5; }

.upload-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.upload-thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-muted);
}
.upload-thumb img { width: 100%; height: 100%; object-fit: cover; }
.upload-thumb__name {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(0,0,0,.6);
  color: #fff;
  font-size: 10px;
  padding: 4px 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.upload-thumb__remove {
  position: absolute;
  top: 4px; right: 4px;
  width: 22px; height: 22px;
  background: rgba(0,0,0,.6);
  border-radius: 50%;
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: background var(--transition-fast);
}
.upload-thumb__remove:hover { background: rgba(220,38,38,.8); }
.upload-thumb__remove:focus-visible { outline: 2px solid #fff; }

/* Upload icon for non-image files */
.upload-thumb--file {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 8px;
  background: var(--color-muted);
}
.upload-thumb--file svg { color: var(--color-accent); }
.upload-thumb--file .upload-thumb__name {
  position: static;
  background: none;
  color: var(--color-text-muted);
  font-size: 11px;
  text-align: center;
}

/* Form nav */
.calc-nav {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  align-items: center;
}

/* Sidebar */
.calc__sidebar { display: flex; flex-direction: column; gap: 16px; }

.calc-contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.calc-contact-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.calc-contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}
.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(--color-accent); }
.calc-contact-item svg { color: var(--color-accent); flex-shrink: 0; }
.calc-contact-item__label { font-size: 12px; color: var(--color-text-muted); display: block; }
.calc-contact-item__value { font-size: 15px; font-weight: 600; color: var(--color-primary); }

.calc-promise, .calc-response-time {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--color-accent-light);
  border: 1px solid #FDE68A;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.5;
}
.calc-promise svg, .calc-response-time svg { flex-shrink: 0; margin-top: 1px; }

/* Success state */
.calc-success {
  text-align: center;
  padding: clamp(40px, 6vw, 80px) 24px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}
.calc-success__icon {
  width: 80px; height: 80px;
  background: #DCFCE7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--color-success);
}
.calc-success__title { font-size: 28px; font-weight: 700; color: var(--color-primary); margin-bottom: 12px; }
.calc-success__text { font-size: 16px; color: var(--color-text-muted); margin-bottom: 28px; }

/* =============================================
   CONTACTS
   ============================================= */
.contacts__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contacts__address { display: flex; flex-direction: column; gap: 0; margin: 24px 0; }
.contacts__item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}
.contacts__item:last-child { border-bottom: none; }
.contacts__item svg { color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.contacts__item-label { font-size: 13px; color: var(--color-text-muted); margin-bottom: 4px; display: block; }
.contacts__item-value { font-size: 15px; font-weight: 600; color: var(--color-primary); line-height: 1.5; }
.contacts__link:hover { color: var(--color-accent); }

.contacts__messengers { display: flex; flex-wrap: wrap; gap: 10px; }
.messenger-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition-base);
  min-height: 44px;
}
.messenger-btn--wa { background: #25D366; color: #fff; }
.messenger-btn--wa:hover { background: #1EBE5A; }
.messenger-btn--tg { background: #2AABEE; color: #fff; }
.messenger-btn--tg:hover { background: #1A9BD6; }
.messenger-btn--2gis { background: var(--color-muted); color: var(--color-text); border: 1px solid var(--color-border); }
.messenger-btn--2gis:hover { background: var(--color-muted-2); }

.contacts__map {
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* =============================================
   FOOTER
   ============================================= */
.footer { background: var(--color-primary); color: rgba(255,255,255,.7); }
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 32px 48px;
  padding-block: 48px;
  align-items: start;
}

.footer__brand .logo__text { color: #fff; }
.footer__tagline { font-size: 14px; color: rgba(255,255,255,.4); margin-top: 8px; max-width: 220px; }

.footer__links, .footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a, .footer__contacts a {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: color var(--transition-fast);
}
.footer__links a:hover, .footer__contacts a:hover { color: #fff; }
.footer__contacts span { font-size: 14px; color: rgba(255,255,255,.4); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 20px;
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__bottom p { font-size: 13px; color: rgba(255,255,255,.3); }

/* =============================================
   FLOATING CTA
   ============================================= */
.float-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.float-cta__btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.float-cta__btn:hover { transform: scale(1.1); }
.float-cta__btn:active { transform: scale(.95); }
.float-cta__btn--wa { background: #25D366; color: #fff; }
.float-cta__btn--phone { background: var(--color-accent); color: #fff; }
.float-cta__btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* =============================================
   ANIMATIONS (scroll-reveal)
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .calc__wrapper { grid-template-columns: 1fr; }
  .calc__sidebar { display: grid; grid-template-columns: 1fr 1fr; }
  .calc-contact-card { grid-column: span 2; }

  .contacts__wrapper { grid-template-columns: 1fr; }
  .contacts__map { height: 280px; order: -1; }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }

  .nav, .header__cta { display: none; }
  .burger { display: flex; }

  .hero__stats { gap: 16px; }
  .hero__stat-number { font-size: 24px; }

  .portfolio__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .portfolio-item--large { grid-column: span 2; }
  .portfolio-item:last-child { grid-column: auto; grid-row: auto; }

  .furniture-types { grid-template-columns: repeat(3, 1fr); }
  .material-options { grid-template-columns: 1fr 1fr; }
  .form-row, .form-row--3 { grid-template-columns: 1fr; }
  .checkbox-grid { grid-template-columns: 1fr; }

  .calc-steps { gap: 0; }
  .calc-step__label { display: none; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: auto; }

  .calc__sidebar { grid-template-columns: 1fr; }
  .calc-contact-card { grid-column: auto; }
}

@media (max-width: 480px) {
  .furniture-types { grid-template-columns: repeat(2, 1fr); }
  .furniture-type__card { padding: 16px 8px; min-height: 90px; }
  .material-options { grid-template-columns: 1fr; }

  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .portfolio__grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .portfolio-item--large { grid-column: auto; }
  .portfolio-item__img { height: 180px; }
  .portfolio-item:last-child { height: 180px; }

  .why__grid { grid-template-columns: 1fr; }
}

/* =============================================
   DYNAMIC STEP 2 — NEW COMPONENTS
   ============================================= */

.config-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.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: 14px 10px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--color-surface);
  color: var(--color-text-muted);
}
.config-card__inner:hover { border-color: var(--color-accent); background: var(--color-accent-light); color: var(--color-accent); }
.config-card input:checked + .config-card__inner {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(161,98,7,.15);
}
.config-card input:focus-visible + .config-card__inner { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.config-card__svg { width: 80px; height: 60px; }
.config-card__name { font-size: 13px; font-weight: 600; text-align: center; }

.dim-block { margin-bottom: 16px; }
.dim-diagram {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: center;
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}
.dim-svg { width: 100%; max-width: 180px; height: auto; display: block; color: var(--color-accent); }
.dim-inputs { display: flex; flex-direction: column; gap: 0; }
.dim-inputs .form-group { margin-bottom: 12px; }
.dim-inputs .form-group:last-child { margin-bottom: 0; }

.toggle-group { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.toggle-btn { position: relative; }
.toggle-btn input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-btn span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-text);
  min-height: 44px;
  background: var(--color-surface);
}
.toggle-btn span:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-light); }
.toggle-btn input:checked + span {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(161,98,7,.25);
}
.toggle-btn input:focus-visible + span { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.door-type-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 6px;
}
.door-card { position: relative; }
.door-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.door-card__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 10px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-text-muted);
  background: var(--color-surface);
}
.door-card__inner svg { width: 80px; height: 70px; }
.door-card__inner span:last-child { font-size: 13px; font-weight: 600; text-align: center; }
.door-card__inner:hover { border-color: var(--color-accent); background: var(--color-accent-light); color: var(--color-accent); }
.door-card input:checked + .door-card__inner {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(161,98,7,.15);
}
.door-card input:focus-visible + .door-card__inner { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.mattress-sizes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.mattress-size { position: relative; }
.mattress-size input { position: absolute; opacity: 0; width: 0; height: 0; }
.mattress-size span {
  display: block;
  padding: 8px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  font-variant-numeric: tabular-nums;
  background: var(--color-surface);
}
.mattress-size span:hover { border-color: var(--color-accent); color: var(--color-accent); }
.mattress-size input:checked + span { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.mattress-size input:focus-visible + span { outline: 3px solid var(--color-accent); outline-offset: 2px; }

@media (max-width: 600px) {
  .dim-diagram { grid-template-columns: 1fr; }
  .dim-svg { max-width: 140px; margin: 0 auto; }
  .door-type-cards { grid-template-columns: 1fr; }
}
@media (max-width: 400px) {
  .config-cards { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   FORM EXTRAS — STEPPER, QUANTITY, STYLE, INFO
   ============================================= */

/* Hint text under section titles */
.form-section-hint {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text-muted);
}
.form-section-hint small {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* 3-column checkbox grid */
.checkbox-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 768px) {
  .checkbox-grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .checkbox-grid--3 { grid-template-columns: 1fr; }
}

/* Number stepper */
.stepper {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  height: 44px;
  width: 140px;
  transition: border-color var(--transition-base);
}
.stepper:focus-within { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(161,98,7,.15); }
.stepper__btn {
  width: 40px;
  height: 100%;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  transition: background var(--transition-fast);
  border: none;
  flex-shrink: 0;
}
.stepper__btn:hover { background: var(--color-accent-light); }
.stepper__btn:active { background: var(--color-accent); color: #fff; }
.stepper__btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: -2px; }
.stepper__btn:disabled { color: var(--color-border); cursor: not-allowed; background: var(--color-muted); }
.stepper__input {
  flex: 1;
  border: none;
  outline: none;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  background: transparent;
  font-variant-numeric: tabular-nums;
  min-width: 0;
  padding: 0;
  -moz-appearance: textfield;
}
.stepper__input::-webkit-outer-spin-button,
.stepper__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Quantity grid */
.quantity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.quantity-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.quantity-item__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
  flex: 1;
  min-width: 0;
}
.quantity-item__label small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: 2px;
}
@media (max-width: 480px) {
  .quantity-grid { grid-template-columns: 1fr; }
  .stepper { width: 120px; }
  .stepper__btn { width: 36px; }
}

/* Info banner */
.info-banner {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-top: 16px;
  color: var(--color-secondary);
}
.info-banner svg { color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.info-banner p { font-size: 14px; line-height: 1.5; }

/* Divider */
.divider {
  border: 0;
  height: 1px;
  background: var(--color-border);
  margin: 28px 0 20px;
}

/* Common block (style + timing) */
.common-block {
  margin-top: 20px;
}

/* Style cards */
.style-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.style-card { position: relative; }
.style-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.style-card__inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--color-surface);
  text-align: left;
  min-height: 70px;
}
.style-card__inner:hover { border-color: var(--color-accent); background: var(--color-accent-light); }
.style-card input:checked + .style-card__inner {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  box-shadow: 0 0 0 3px rgba(161,98,7,.15);
}
.style-card input:focus-visible + .style-card__inner { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.style-card__name { font-size: 14px; font-weight: 700; color: var(--color-primary); }
.style-card__desc { font-size: 12px; color: var(--color-text-muted); line-height: 1.3; }
.style-card input:checked + .style-card__inner .style-card__name { color: var(--color-accent); }

@media (max-width: 1024px) {
  .style-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .style-cards { grid-template-columns: repeat(2, 1fr); }
}

/* Furniture-types grid (step 1) — 6 cards */
.furniture-types {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 480px) {
  .furniture-types { grid-template-columns: repeat(2, 1fr); }
}

/* Upload section (inside step 2) */
.upload-section { margin-top: 8px; }