/* Sweet Home Clean - Eco-Friendly Theme */

:root {
  /* Eco-friendly color palette */
  --color-primary: #2d6a4f;
  --color-primary-dark: #1b4332;
  --color-primary-light: #40916c;
  --color-secondary: #95d5b2;
  --color-accent: #74c69d;

  /* Neutrals */
  --color-white: #ffffff;
  --color-off-white: #f8faf9;
  --color-light: #e9f5ef;
  --color-gray: #6c757d;
  --color-gray-light: #adb5bd;
  --color-dark: #1a1a1a;
  --color-text: #2d3436;

  /* Typography */
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-heading: 'Georgia', serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-dark);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.35rem; margin-bottom: var(--spacing-sm); }

p {
  margin-bottom: var(--spacing-sm);
}

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

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

ul {
  list-style: none;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

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

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

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.logo-icon {
  font-size: 1.75rem;
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-lg);
}

.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-dark);
  transition: all 0.2s ease;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-secondary) 100%);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-dark);
}

.hero-subtitle {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  color: var(--color-text);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Page Hero (for inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-secondary) 100%);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.page-hero h1 {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-xs);
}

.page-hero p {
  font-size: 1.2rem;
  color: var(--color-text);
}

/* Services Overview */
.services-overview {
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.service-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.link-arrow {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-weight: 500;
}

.link-arrow::after {
  content: ' →';
  transition: transform 0.2s ease;
}

.link-arrow:hover::after {
  margin-left: 4px;
}

/* Why Us / Features */
.why-us {
  background: var(--color-off-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature {
  padding: var(--spacing-md);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

/* App Promo */
.app-promo {
  padding: var(--spacing-xxl) 0;
}

.app-promo-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.app-features {
  display: inline-block;
  text-align: left;
  margin: var(--spacing-md) 0 var(--spacing-lg);
}

.app-features li {
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: 1.5rem;
}

.app-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* CTA Section */
.cta-section {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

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

.cta-section .btn-primary:hover {
  background-color: var(--color-light);
  border-color: var(--color-light);
}

/* Service Detail Pages */
.service-detail {
  padding: var(--spacing-xxl) 0;
}

.service-detail-content {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.service-detail-icon {
  font-size: 4rem;
  background: var(--color-light);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
}

.service-list {
  margin: var(--spacing-sm) 0 var(--spacing-lg);
  padding-left: var(--spacing-md);
}

.service-list li {
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: 1.5rem;
}

.service-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.alt-bg {
  background: var(--color-off-white);
}

/* Eco Commitment */
.eco-commitment {
  padding: var(--spacing-xxl) 0;
  text-align: center;
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.eco-commitment h2 {
  color: var(--color-white);
}

.eco-commitment > .container > p {
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  opacity: 0.9;
}

.eco-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.eco-item {
  padding: var(--spacing-md);
}

.eco-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.eco-item h3 {
  color: var(--color-white);
}

.eco-item p {
  opacity: 0.85;
}

/* About Page */
.about-intro {
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.about-intro-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-intro-content p {
  font-size: 1.15rem;
}

.about-pillars {
  padding: var(--spacing-xl) 0 var(--spacing-xxl);
}

.about-pillars h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.pillar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-lg);
  align-items: start;
  max-width: 900px;
  margin: 0 auto var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
}

.pillar-icon {
  font-size: 3rem;
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
}

.values-section {
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.value-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.value-card h3 {
  color: var(--color-primary);
}

/* Contact Page */
.contact-content {
  padding: var(--spacing-xxl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: start;
}

.contact-method {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-icon {
  font-size: 1.5rem;
  background: var(--color-light);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  height: fit-content;
}

.contact-details h3 {
  margin-bottom: var(--spacing-xs);
}

.contact-details p {
  margin-bottom: 0;
  color: var(--color-gray);
}

.contact-details a {
  color: var(--color-text);
}

.contact-cta-card {
  background: var(--color-light);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
}

.cta-subtext {
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--color-gray);
}

/* FAQ */
.faq-section {
  padding: var(--spacing-xxl) 0;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-light);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h3 {
  color: var(--color-primary-dark);
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

.footer-brand p {
  font-family: var(--font-main);
  font-size: 0.95rem;
  opacity: 0.8;
  margin-top: var(--spacing-sm);
}

.footer-nav h4,
.footer-app h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

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

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

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 900px) {
  .service-detail-content {
    grid-template-columns: 1fr;
  }

  .service-detail-icon {
    justify-self: center;
  }

  .pillar {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .pillar-icon {
    justify-self: center;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-nav ul {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }

  .hero h1 {
    font-size: 2.5rem;
  }

  .site-header .btn {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

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

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

  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .main-nav a {
    display: block;
    padding: var(--spacing-sm);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

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