/* ============================================
   BRIGHT CLEANING SERVICES - MAIN STYLESHEET
   Professional, Modern, Premium Design
   ============================================ */

/* ============================================
   1. RESET & BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #2c3e50;
  background-color: #ffffff;
  overflow-x: hidden;
}

/* ============================================
   2. TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #1a252f;
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.3rem;
}

p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.8;
}

a {
  color: #0066cc;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #0052a3;
  text-decoration: underline;
}

/* ============================================
   3. LAYOUT & SPACING
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.3rem;
  }
}

/* ============================================
   4. NAVIGATION
   ============================================ */

nav {
  background-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0066cc;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo::before {
  content: "✓";
  font-size: 1.8rem;
  color: #00a86b;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: #2c3e50;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #0066cc;
  transition: width 0.3s ease;
}

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

nav a:hover {
  color: #0066cc;
  text-decoration: none;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #2c3e50;
}

@media (max-width: 768px) {
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  
  nav ul.active {
    display: flex;
  }
  
  nav a {
    display: block;
    padding: 1rem 2rem;
    border-bottom: 1px solid #f0f0f0;
  }
  
  nav a::after {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
}

/* ============================================
   5. HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
  color: #ffffff;
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: #ffffff;
  margin-bottom: 1rem;
  font-size: 3rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.95);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  background-color: #00a86b;
  color: #ffffff;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid #00a86b;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 168, 107, 0.3);
}

.cta-button:hover {
  background-color: #008c5e;
  border-color: #008c5e;
  box-shadow: 0 6px 20px rgba(0, 168, 107, 0.4);
  transform: translateY(-2px);
  text-decoration: none;
}

.cta-button-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.cta-button-secondary:hover {
  background-color: #ffffff;
  color: #0066cc;
  text-decoration: none;
}

@media (max-width: 768px) {
  .hero {
    padding: 4rem 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
}

/* ============================================
   6. SECTIONS & CONTENT
   ============================================ */

section {
  padding: 4rem 2rem;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  color: #1a252f;
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.1rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   7. SERVICES GRID
   ============================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background-color: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  border-color: #0066cc;
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.service-card h3 {
  color: #1a252f;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.service-card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================
   8. ABOUT SECTION
   ============================================ */

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

.about-text h2 {
  color: #1a252f;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: #666;
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   9. FEATURES LIST
   ============================================ */

.features-list {
  list-style: none;
  margin: 2rem 0;
}

.features-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: #666;
  font-size: 0.95rem;
}

.features-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #00a86b;
  font-weight: 700;
  font-size: 1.2rem;
}

/* ============================================
   10. FORM STYLES
   ============================================ */

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #1a252f;
  font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #0066cc;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   11. ALERTS & MESSAGES
   ============================================ */

.alert {
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  display: none;
}

.alert.show {
  display: block;
  animation: slideIn 0.3s ease;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   12. FOOTER
   ============================================ */

footer {
  background-color: #1a252f;
  color: #ffffff;
  padding: 3rem 2rem 1.5rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: #ffffff;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-section p {
  color: #bbb;
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #bbb;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: #0066cc;
  text-decoration: none;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 1.5rem;
  text-align: center;
  color: #999;
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    gap: 1rem;
  }
}

/* ============================================
   13. UTILITY CLASSES
   ============================================ */

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

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

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.pt-1 { padding-top: 1rem; }
.pt-2 { padding-top: 2rem; }
.pt-3 { padding-top: 3rem; }

.pb-1 { padding-bottom: 1rem; }
.pb-2 { padding-bottom: 2rem; }
.pb-3 { padding-bottom: 3rem; }

.hidden {
  display: none;
}

/* ============================================
   14. RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  section {
    padding: 2.5rem 1rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  nav .container {
    padding: 1rem;
  }
}

/* ============================================
   15. ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease;
}

.slide-up {
  animation: slideUp 0.6s ease;
}

/* ============================================
   16. BREADCRUMB
   ============================================ */

.breadcrumb {
  background-color: #f8f9fa;
  padding: 1rem 2rem;
  margin-bottom: 2rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: #0066cc;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  color: #999;
  margin: 0 0.5rem;
}

/* Contact page grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Contact page mobile fix */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}