/* Bricks Of Business - Main Stylesheet */
/* Mobile-first, performance-optimized */

:root {
  /* Brand Colors */
  --primary: #e67e22;
  --primary-dark: #d35400;
  --primary-light: #f39c12;
  --dark: #2c3e50;
  --dark-light: #34495e;
  --light: #ecf0f1;
  --white: #ffffff;
  --grey: #95a5a6;
  --grey-light: #bdc3c7;
  --text: #2c3e50;
  --text-light: #7f8c8d;

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

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Poppins', var(--font-primary);

  /* Transitions */
  --transition: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);

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

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

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

body {
  font-family: var(--font-primary);
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  min-height: 70px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
}

.nav-links {
  display: none;
  gap: var(--space-lg);
}

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

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

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

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

.nav-cta {
  display: none;
}

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

.mobile-toggle span {
  width: 25px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: var(--space-sm);
  font-weight: 500;
  border-bottom: 1px solid var(--light);
}

.mobile-menu a:hover {
  color: var(--primary);
}

.mobile-menu .btn {
  width: 100%;
  margin-top: var(--space-sm);
}

/* Hero Section */
.hero {
  padding: calc(70px + var(--space-xxl)) 0 var(--space-xxl);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.hero p {
  font-size: 1.125rem;
  opacity: 0.95;
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

/* Section Styles */
.section {
  padding: var(--space-xxl) 0;
}

.section-dark {
  background: var(--dark);
  color: var(--white);
}

.section-dark h2,
.section-dark h3 {
  color: var(--white);
}

.section-light {
  background: var(--light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-dark .section-header p {
  color: var(--grey-light);
}

/* Services Grid */
.services-grid {
  display: grid;
  gap: var(--space-lg);
}

.service-card {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-top: 4px solid var(--primary);
}

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

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.service-card h3 {
  margin-bottom: var(--space-sm);
}

.service-card p {
  color: var(--text-light);
  margin-bottom: var(--space-md);
}

/* About Section */
.about-content {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

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

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text h2 {
  margin-bottom: var(--space-md);
}

.about-text p {
  color: var(--text-light);
  margin-bottom: var(--space-md);
}

.about-features {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.about-feature-icon {
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--white);
  font-size: 0.75rem;
}

/* Process Section */
.process-grid {
  display: grid;
  gap: var(--space-lg);
  counter-reset: process;
}

.process-step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.process-number {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.process-content h3 {
  margin-bottom: var(--space-xs);
}

.process-content p {
  color: var(--text-light);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.3;
  position: absolute;
  top: var(--space-sm);
  left: var(--space-md);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 600;
}

.testimonial-info h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.testimonial-info span {
  font-size: 0.875rem;
  color: var(--text-light);
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

.stat-item p {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
  padding: var(--space-xxl) 0;
  text-align: center;
  color: var(--white);
}

.cta h2 {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.cta p {
  color: var(--grey-light);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Contact Section */
.contact-grid {
  display: grid;
  gap: var(--space-xl);
}

.contact-info h3 {
  margin-bottom: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

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

.contact-item a:hover {
  color: var(--primary);
}

.contact-form {
  background: var(--light);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem var(--space-sm);
  border: 2px solid var(--grey-light);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
}

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

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

.contact-form .btn {
  width: 100%;
}

/* Social Links */
.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--grey-light);
  padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-brand .logo {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  color: var(--grey-light);
  font-size: 0.875rem;
}

.footer-links h4 {
  color: var(--white);
  margin-bottom: var(--space-md);
  font-size: 1rem;
}

.footer-links a {
  display: block;
  padding: var(--space-xs) 0;
  color: var(--grey-light);
  font-size: 0.875rem;
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid var(--dark-light);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: center;
  font-size: 0.875rem;
}

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

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

/* Case Studies Page */
.case-studies-grid {
  display: grid;
  gap: var(--space-lg);
}

.case-study-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.case-study-image {
  height: 200px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 3rem;
}

.case-study-content {
  padding: var(--space-lg);
}

.case-study-tag {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.case-study-content h3 {
  margin-bottom: var(--space-sm);
}

.case-study-content p {
  color: var(--text-light);
  margin-bottom: var(--space-md);
}

.case-study-results {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--light);
}

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

.result-item .number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.result-item .label {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* Page Header */
.page-header {
  padding: calc(70px + var(--space-xl)) 0 var(--space-xl);
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--grey-light);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--grey-light);
}

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

.breadcrumb span {
  color: var(--primary);
}

/* FAQ Section */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--light);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--dark);
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding-bottom: var(--space-md);
  color: var(--text-light);
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--space-lg); }

/* Success Message */
.form-success {
  display: none;
  background: #27ae60;
  color: var(--white);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: center;
  margin-bottom: var(--space-md);
}

.form-success.show {
  display: block;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: var(--white);
  padding: var(--space-sm);
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* Media Queries */
@media (min-width: 576px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: block;
  }

  .mobile-toggle {
    display: none;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }

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

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

@media (min-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

/* Print Styles */
@media print {
  .header,
  .footer,
  .btn,
  .mobile-toggle {
    display: none;
  }

  .hero {
    padding-top: var(--space-lg);
    background: var(--white);
    color: var(--dark);
  }

  .hero h1 {
    color: var(--dark);
  }
}