:root {
  --color-primary: #1B3A5C;
  --color-secondary: #C8A45A;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F2F0EB;
  --color-text: #2C2C2C;
  --color-text-light: #FFFFFF;
  --color-border: #D6D2C9;
  --color-service-area-bg: #E8E6E1;
  --color-service-area-text: #B5B2AC;
  --font-heading: Georgia, "Times New Roman", serif;
  --font-body: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --container-width: 1200px;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --radius-sm: 4px;
  --radius-md: 6px;
  --shadow-sm: 0 2px 8px rgba(27, 58, 92, 0.08);
  --shadow-md: 0 6px 18px rgba(27, 58, 92, 0.12);
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: auto;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

picture {
  display: block;
}

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

a:hover,
a:focus {
  text-decoration: underline;
}

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

button {
  cursor: pointer;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.2;
}

p,
ul,
ol {
  margin: 0 0 var(--space-md);
}

ul {
  padding-left: 1.25rem;
}

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

.container {
  width: min(100% - 2rem, var(--container-width));
  margin: 0 auto;
}

.text-center {
  text-align: center;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.section-heading h2 {
  font-size: 2rem;
}

.section-heading p {
  margin-bottom: 0;
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.4rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn:hover,
.btn:focus {
  text-decoration: none;
}

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

.btn--primary:hover,
.btn--primary:focus {
  background: #b9944d;
  border-color: #b9944d;
  color: var(--color-primary);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-light);
  border-color: var(--color-text-light);
}

.btn--outline:hover,
.btn--outline:focus {
  background: var(--color-text-light);
  color: var(--color-primary);
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header .container {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--space-md);
  padding: 1rem 0;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.header__logo span {
  color: var(--color-secondary);
}

.header__toggle {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 0 10px;
}

.header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
}

.header__nav {
  display: none;
  grid-column: 1 / -1;
  flex-direction: column;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.header__nav.open {
  display: flex;
}

.header__nav a {
  padding: 0.7rem 0;
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.header__nav a.active {
  color: var(--color-secondary);
}

.header__phone {
  justify-self: end;
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.hero {
  position: relative;
  background: linear-gradient(rgba(27, 58, 92, 0.82), rgba(27, 58, 92, 0.82)),
    url("https://placehold.co/1600x900/E8E6E1/1B3A5C?text=Drywall+%26+Plaster") center/cover no-repeat;
  color: var(--color-text-light);
  padding: 5rem 0;
}

.hero__content {
  max-width: 720px;
}

.hero h1 {
  color: var(--color-text-light);
  font-size: 2.4rem;
  margin-bottom: var(--space-md);
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

.hero__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}

.page-header {
  background: var(--color-primary);
  color: var(--color-text-light);
  text-align: center;
  padding: 3.5rem 0;
}

.page-header h1 {
  color: var(--color-text-light);
  font-size: 2.2rem;
  margin-bottom: var(--space-sm);
}

.page-header p {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.services-grid {
  background: var(--color-bg-alt);
}

.services-grid__cards {
  display: grid;
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.service-card__icon {
  font-size: 2rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.service-card h3 {
  font-size: 1.4rem;
}

.features {
  background: var(--color-bg);
}

.features__grid {
  display: grid;
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  text-align: center;
}

.feature-card__icon {
  font-size: 2rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.gallery-preview {
  background: var(--color-bg-alt);
}

.gallery-preview__grid,
.gallery-grid {
  display: grid;
  gap: var(--space-lg);
}

.gallery-preview__grid img,
.gallery-grid img {
  width: 100%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.gallery-grid button {
  padding: 0;
  border: 0;
  background: none;
  display: block;
}

.services-list {
  background: var(--color-bg);
}

.service-blocks {
  display: grid;
  gap: var(--space-2xl);
}

.service-block {
  display: grid;
  gap: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-2xl);
}

.service-block:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.service-block__image img {
  width: 100%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.service-block__content h3 {
  font-size: 1.8rem;
}

.service-block__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
  margin-top: var(--space-md);
}

.service-detail {
  background: var(--color-bg);
}

.service-detail__grid {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}

.service-detail__image img {
  width: 100%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.service-detail__content h2 {
  margin-top: var(--space-lg);
  font-size: 1.8rem;
}

.service-detail__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
}

.service-detail__list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.7rem;
}

.service-detail__list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-secondary);
  font-weight: 700;
}

.about-section {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}

.about-grid__image img {
  width: 100%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.contact-section {
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}

.contact-form,
.contact-info,
.resource-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-hp {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.resources-section {
  background: var(--color-bg-alt);
}

.resources-intro {
  max-width: 850px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.resources-grid {
  display: grid;
  gap: var(--space-lg);
}

.resource-card h2 {
  font-size: 1.6rem;
}

.resource-card ol {
  margin: 0;
  padding-left: 1.25rem;
}

.resource-card li {
  margin-bottom: var(--space-md);
}

.resource-card strong {
  color: var(--color-primary);
}

.cta-banner {
  background: var(--color-primary);
  color: var(--color-text-light);
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-text-light);
  font-size: 2rem;
}

.cta-banner p {
  max-width: 700px;
  margin: 0 auto var(--space-lg);
}

.cta-banner__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  justify-content: center;
  align-items: center;
}

.service-area-block {
  background: var(--color-service-area-bg);
  color: var(--color-service-area-text);
  font-size: 9px;
  line-height: 1.4;
  text-align: center;
  padding: 20px 0;
}

.service-area-block p {
  margin: 0;
}

.footer {
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer h4 {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.footer-grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer a {
  color: var(--color-text-light);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 2000;
}

.lightbox.open {
  display: flex;
}

.lightbox__content {
  position: relative;
  max-width: 960px;
  width: 100%;
}

.lightbox__image {
  width: 100%;
  max-height: 85vh;
  object-fit: contain;
  background: #fff;
}

.lightbox__close {
  position: absolute;
  top: -44px;
  right: 0;
  width: 40px;
  height: 40px;
  border: 1px solid #fff;
  background: transparent;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
}

@media (min-width: 768px) {
  section {
    padding: 5rem 0;
  }

  .header .container {
    grid-template-columns: auto auto 1fr auto;
  }

  .header__toggle {
    display: none;
  }

  .header__nav {
    display: flex;
    grid-column: auto;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    padding-top: 0;
    border-top: 0;
  }

  .header__nav a {
    padding: 0;
  }

  .hero {
    padding: 7rem 0;
  }

  .hero h1 {
    font-size: 3.4rem;
  }

  .hero__buttons,
  .cta-banner__buttons,
  .service-block__buttons {
    flex-direction: row;
  }

  .services-grid__cards {
    grid-template-columns: repeat(5, 1fr);
  }

  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery-preview__grid,
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .service-block {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .service-block:nth-child(even) .service-block__image {
    order: 2;
  }

  .service-block:nth-child(even) .service-block__content {
    order: 1;
  }

  .service-detail__grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .resources-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}