/* =========================================================
   GREENWOOD WALLCOVERING – style.css
   Modern luxury wallpaper installation service website
   ========================================================= */

/* ── CSS Variables ── */
:root {
  --primary: #8b7355;
  --primary-dark: #6d5a47;
  --secondary: #1a1a1a;
  --light: #f8f8f8;
  --white: #ffffff;
  --text: #2c2c2c;
  --text-light: #666666;
  --border: #e5e5e5;
  --gold: #c5a059;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --transition: 0.3s ease;
}

/* ── Reset & Base ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Section Padding ── */
.section-pad {
  padding: 80px 0;
}

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

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

/* ── Headings ── */
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 50px;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 115, 85, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--secondary);
  transform: translateY(-2px);
}

/* =========================================================
   HEADER / NAVIGATION
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--secondary);
}

.logo-sub {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--primary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-menu a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding-bottom: 4px;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 0.85rem;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--primary-dark);
}

/* =========================================================
   HERO SECTION
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 70px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  max-width: 850px;
  padding: 0 20px;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 35px;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =========================================================
   ABOUT SECTION
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin: 30px 0;
}

.about-features li {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--secondary);
}

/* =========================================================
   SERVICES SECTION
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px 30px;
  text-align: center;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  color: var(--secondary);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* =========================================================
   PROCESS SECTION
   ========================================================= */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.process-card {
  text-align: center;
  padding: 20px;
}

.process-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

/* =========================================================
   GALLERY SECTION
   ========================================================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  height: 350px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

/* =========================================================
   TESTIMONIALS SECTION
   ========================================================= */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 35px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.testimonial-card p {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 20px;
}

/* =========================================================
   CONTACT SECTION
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.contact-form-wrapper {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 45px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 25px;
}

input, textarea {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.1);
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--secondary);
  color: #ccc;
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.footer-section h3, .footer-section h4 {
  color: var(--white);
  margin-bottom: 25px;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section a:hover {
  color: var(--primary);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .services-grid, .gallery-grid, .testimonials-grid, .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .about-grid, .services-grid, .gallery-grid, .testimonials-grid, .contact-grid, .footer-grid, .process-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .btn {
    width: 100%;
  }
  .btn-secondary {
    margin-left: 0;
    margin-top: 15px;
  }
}