/* SHS SUSTAINABLE HOME SOLUTIONS LLC - Main Styles */
:root {
  --color-primary: #5c6b4a;
  --color-primary-dark: #3d4a32;
  --color-secondary: #8b7355;
  --color-accent: #c4a574;
  --color-bg: #faf8f5;
  --color-bg-alt: #f0ebe3;
  --color-text: #2c2c2c;
  --color-text-muted: #6b6b6b;
  --color-white: #ffffff;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --radius: 8px;
  --max-width: 1200px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary-dark);
}

/* Header */
.site-header {
  background: var(--color-white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
  max-width: 220px;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 0.85rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

/* Hero Carousel */
.hero {
  position: relative;
  overflow: hidden;
  height: 520px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-slide:nth-child(1) {
  background: linear-gradient(rgba(61, 74, 50, 0.65), rgba(61, 74, 50, 0.65)),
    url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1600&q=80') center/cover;
}

.hero-slide:nth-child(2) {
  background: linear-gradient(rgba(92, 107, 74, 0.65), rgba(92, 107, 74, 0.65)),
    url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=1600&q=80') center/cover;
}

.hero-slide:nth-child(3) {
  background: linear-gradient(rgba(139, 115, 85, 0.65), rgba(139, 115, 85, 0.65)),
    url('https://images.unsplash.com/photo-1600566753190-17f0baa2a6c3?w=1600&q=80') center/cover;
}

.hero-content {
  max-width: 700px;
  padding: 2rem;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  margin-bottom: 1rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  color: var(--color-text);
}

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

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

.hero-dots {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

.hero-dot.active {
  background: var(--color-white);
}

/* Sections */
.section {
  padding: 4rem 1.5rem;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--color-primary-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Products in development */
.in-development,
.coming-soon {
  background: var(--color-white);
}

.category-card img {
  filter: saturate(0.85);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.category-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.category-card:hover img {
  transform: scale(1.05);
}

.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, rgba(0, 0, 0, 0.7));
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.category-overlay h3 {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

/* Why Choose Us */
.features {
  background: var(--color-bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-white);
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Our Approach */
.approach {
  background: var(--color-white);
}

.approach-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.approach-step {
  text-align: center;
  padding: 2rem 1.5rem;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: bold;
  margin: 0 auto 1.25rem;
}

.approach-step h3 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
}

.approach-step p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* FAQ */
.faq {
  background: var(--color-bg-alt);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 400;
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  padding: 4rem 1.5rem;
  text-align: center;
}

.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.cta-banner p {
  max-width: 520px;
  margin: 0 auto 1.5rem;
  opacity: 0.9;
  font-size: 1.05rem;
}

.cta-banner .btn-primary {
  background: var(--color-accent);
}

/* Our Story */
.story {
  background: var(--color-bg-alt);
}

.story-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.story-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.story-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.story-text h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
}

.story-text p {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.story-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.value-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.value-item h4 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
}

.value-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Page Header (inner pages) */
.page-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  padding: 3rem 1.5rem;
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  opacity: 0.9;
}

/* Content Pages */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.page-content h2 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
}

.page-content h2:first-child {
  margin-top: 0;
}

.page-content p,
.page-content li {
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.page-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.page-content .last-updated {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  font-style: italic;
}

.page-content h3 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}

.page-content code,
.faq-item code {
  font-family: ui-monospace, 'Cascadia Code', 'Segoe UI Mono', monospace;
  font-size: 0.9em;
  background: var(--color-bg-alt);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.contact-info h2 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
  color: var(--color-text);
  font-weight: 500;
}

.contact-form {
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form h2 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #ddd;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.form-success {
  display: none;
  background: #e8f5e9;
  color: #2e7d32;
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  text-align: center;
}

.form-success:not([hidden]) {
  display: block;
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 1.5rem 1.5rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand .logo-text {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: var(--color-white);
  font-family: var(--font-heading);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .approach-steps {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .story-content {
    grid-template-columns: 1fr;
  }

  .story-values {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .mobile-menu-btn {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow);
    padding: 1rem;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero {
    height: 420px;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

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

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

  .cta-banner h2 {
    font-size: 1.5rem;
  }

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

  .logo-text {
    font-size: 0.8rem;
    max-width: 160px;
  }
}