:root {
  --color-bg: #070a0f;
  --color-bg-soft: #0d121b;
  --color-surface: #111722;
  --color-surface-strong: #151d2a;
  --color-gold: #c99a45;
  --color-gold-light: #e5c47d;
  --color-bronze: #8e6331;
  --color-text: #f7f4ed;
  --color-muted: #b7bdc8;
  --color-line: rgba(255, 255, 255, 0.12);
  --font-main: Arial, Helvetica, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 22px 60px rgba(0, 0, 0, 0.32);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(201, 154, 69, 0.13), transparent 34rem),
    linear-gradient(135deg, #05070b 0%, var(--color-bg) 52%, #0a1019 100%);
  line-height: 1.6;
}

body.is-locked {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.section {
  padding: var(--space-3xl) 0;
}

.section--tight {
  padding-top: var(--space-2xl);
}

.section--surface {
  background: linear-gradient(180deg, rgba(17, 23, 34, 0.82), rgba(7, 10, 15, 0.2));
  border-block: 1px solid var(--color-line);
}

/* Header and navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 10, 15, 0.84);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: var(--space-lg);
}

.brand {
  display: grid;
  gap: 0.05rem;
}

.brand__name {
  color: var(--color-text);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand__subtitle {
  color: var(--color-gold-light);
  font-size: 0.78rem;
  font-weight: 600;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  color: var(--color-muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.nav__menu a {
  transition: color 180ms ease;
}

.nav__menu a:hover,
.nav__menu a:focus {
  color: var(--color-gold-light);
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 800;
  line-height: 1.1;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.btn:hover,
.btn:focus {
  transform: translateY(-2px);
}

.btn--small {
  min-height: 42px;
  padding: 0.72rem 0.95rem;
  font-size: 0.9rem;
}

.btn--gold {
  color: #11100d;
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  box-shadow: 0 14px 30px rgba(201, 154, 69, 0.22);
}

.btn--outline {
  color: var(--color-text);
  border-color: rgba(229, 196, 125, 0.45);
  background: rgba(255, 255, 255, 0.04);
}

/* Hero */
.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  align-items: center;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: var(--space-2xl);
}

.hero__content h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 5.8rem);
  line-height: 0.98;
}

.hero__content p {
  max-width: 650px;
  margin: var(--space-lg) 0 0;
  color: var(--color-muted);
  font-size: clamp(1.02rem, 2vw, 1.22rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: var(--space-sm);
  color: var(--color-gold-light);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-card {
  overflow: hidden;
  border: 1px solid rgba(229, 196, 125, 0.24);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(21, 29, 42, 0.96), rgba(10, 14, 22, 0.96));
  box-shadow: var(--shadow-soft);
}

.hero-card__visual {
  min-height: 300px;
  display: grid;
  place-items: end start;
  padding: var(--space-xl);
  background:
    linear-gradient(135deg, rgba(229, 196, 125, 0.2), rgba(4, 7, 11, 0.4)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 54px),
    linear-gradient(145deg, #1a2230, #090d13);
}

.hero-card__visual span {
  color: rgba(247, 244, 237, 0.88);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
}

.hero-card__body {
  padding: var(--space-xl);
}

.hero-card__body h2,
.section-heading h2,
.promo h2,
.contact h2,
.about h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.65rem);
  line-height: 1.12;
}

.hero-card__body p,
.section-heading p,
.promo p,
.contact p,
.about p {
  color: var(--color-muted);
}

.hero-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
}

.hero-card__tags span,
.filter-btn {
  border: 1px solid rgba(229, 196, 125, 0.28);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  color: var(--color-gold-light);
  background: rgba(201, 154, 69, 0.08);
  font-size: 0.82rem;
  font-weight: 700;
}

.section-heading {
  max-width: 780px;
  margin-bottom: var(--space-2xl);
}

.section-heading--split {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-xl);
}

/* Cards and reusable content grids */
.category-grid,
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.category-card,
.project-card,
.value-card,
.process-step,
.contact-form {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(17, 23, 34, 0.82);
}

.category-card {
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease;
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: rgba(229, 196, 125, 0.4);
}

.photo-placeholder {
  min-height: 245px;
  display: grid;
  place-items: end start;
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1c2634, #080b11);
}

.photo-placeholder::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
}

.photo-placeholder span {
  position: relative;
  z-index: 1;
  font-size: 1.35rem;
  font-weight: 800;
}

.photo-placeholder--closets {
  background: linear-gradient(135deg, rgba(201, 154, 69, 0.34), transparent), linear-gradient(150deg, #1f2731, #070a0f);
}

.photo-placeholder--kitchen {
  background: linear-gradient(135deg, rgba(229, 196, 125, 0.28), transparent), linear-gradient(150deg, #26313f, #080b11);
}

.photo-placeholder--furniture {
  background: linear-gradient(135deg, rgba(142, 99, 49, 0.38), transparent), linear-gradient(150deg, #222938, #080b11);
}

.photo-placeholder--retail {
  background: linear-gradient(135deg, rgba(83, 109, 123, 0.4), transparent), linear-gradient(150deg, #1a2430, #070a0f);
}

.photo-placeholder--remodel {
  background: linear-gradient(135deg, rgba(180, 162, 130, 0.3), transparent), linear-gradient(150deg, #252833, #080b11);
}

.photo-placeholder--finishes,
.photo-placeholder--office {
  background: linear-gradient(135deg, rgba(201, 154, 69, 0.22), rgba(255, 255, 255, 0.04)), linear-gradient(150deg, #151d2a, #070a0f);
}

.category-card__content,
.value-card,
.process-step,
.project-card {
  padding: var(--space-lg);
}

.category-card h3,
.project-card h3,
.value-card h3,
.process-step h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1.15rem;
}

.category-card p,
.value-card p,
.process-step p {
  margin: 0;
  color: var(--color-muted);
}

.text-link {
  display: inline-flex;
  margin-top: var(--space-md);
  color: var(--color-gold-light);
  font-weight: 800;
}

/* Gallery filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-xs);
}

.filter-btn {
  cursor: pointer;
}

.filter-btn.is-active {
  color: #11100d;
  background: var(--color-gold-light);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.project-card {
  display: grid;
  gap: var(--space-md);
}

.project-card.is-hidden {
  display: none;
}

.project-card__image {
  min-height: 230px;
  border-radius: var(--radius-sm);
}

.icon-line {
  width: 44px;
  height: 44px;
  display: inline-block;
  margin-bottom: var(--space-md);
  border: 1px solid rgba(229, 196, 125, 0.5);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(90deg, transparent 45%, rgba(229, 196, 125, 0.8) 45% 55%, transparent 55%),
    linear-gradient(180deg, transparent 45%, rgba(229, 196, 125, 0.8) 45% 55%, transparent 55%);
}

/* Process and promotion sections */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.process-step span {
  display: inline-flex;
  margin-bottom: var(--space-md);
  color: var(--color-gold-light);
  font-size: 1.8rem;
  font-weight: 800;
}

.promo {
  background: linear-gradient(135deg, rgba(201, 154, 69, 0.13), rgba(17, 23, 34, 0.58));
  border-block: 1px solid rgba(229, 196, 125, 0.22);
}

.promo__grid,
.contact__grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: var(--space-2xl);
}

.promo__price {
  margin: var(--space-md) 0;
  color: var(--color-gold-light);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
}

.promo__details {
  padding: var(--space-xl);
  border: 1px solid rgba(229, 196, 125, 0.28);
  border-radius: var(--radius-md);
  background: rgba(7, 10, 15, 0.6);
}

.promo__details ul {
  display: grid;
  gap: var(--space-sm);
  margin: 0 0 var(--space-lg);
  padding: 0;
  list-style: none;
}

.promo__details li::before {
  content: "✓";
  margin-right: var(--space-sm);
  color: var(--color-gold-light);
}

.about {
  max-width: 950px;
}

/* Contact form */
.contact__phone {
  font-size: 1.15rem;
}

.contact-form {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-soft);
}

.contact-form label {
  display: grid;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(229, 196, 125, 0.66);
}

.floating-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #11100d;
  background: linear-gradient(135deg, #f0d48e, #c99a45);
  font-weight: 900;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.34);
}

.footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-xl) 0;
  color: var(--color-muted);
  background: #05070b;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

@media (max-width: 980px) {
  .header-cta {
    display: none;
  }

  .nav__toggle {
    display: block;
  }

  .nav__menu {
    position: fixed;
    inset: 78px 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-lg);
    background: rgba(7, 10, 15, 0.98);
    border-bottom: 1px solid var(--color-line);
  }

  .nav__menu.is-open {
    display: flex;
  }

  .nav__menu a {
    padding: var(--space-sm) 0;
  }

  .hero__grid,
  .promo__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .category-grid,
  .project-grid,
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .section-heading--split {
    align-items: start;
    flex-direction: column;
  }

  .filters {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  :root {
    --space-3xl: 3.4rem;
    --space-2xl: 2.2rem;
  }

  .container {
    width: min(100% - 24px, var(--container));
  }

  .nav {
    min-height: 70px;
  }

  .nav__menu {
    inset: 70px 0 auto;
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-2xl);
  }

  .hero__actions,
  .btn {
    width: 100%;
  }

  .category-grid,
  .project-grid,
  .value-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .photo-placeholder,
  .hero-card__visual {
    min-height: 220px;
  }

  .category-card__content,
  .value-card,
  .process-step,
  .project-card,
  .contact-form,
  .promo__details {
    padding: var(--space-md);
  }

  .footer__inner {
    align-items: start;
    flex-direction: column;
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    width: 54px;
    height: 54px;
  }
}