/* =========================================
   WASH DOC LLC - Main Stylesheet
   Mobile-First, WCAG 2.1 AA Compliant
   ========================================= */

:root {
  --color-primary: #4ECDC4;
  --color-secondary: #2C3E50;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8F9FA;
  --color-accent: #95E1D3;
  --color-text: #333333;
  --color-text-light: #666666;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --radius: 12px;
  --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-secondary); line-height: 1.2; }
h1 { font-size: 2.5rem; font-weight: 700; margin-bottom: 1rem; }
h2 { font-size: 2rem; font-weight: 600; margin-bottom: 1.5rem; text-align: center; }
h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; }
p { margin-bottom: 1rem; color: var(--color-text-light); }

/* Utilities */
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.section { padding: 4rem 0; }
.section-alt { background-color: var(--color-bg-alt); }
.text-center { text-align: center; }
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary { background-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background-color: #3dbdb4; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-secondary { background-color: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover { background-color: var(--color-primary); color: #fff; }

/* Header & Nav */
.header {
  position: fixed; top: 0; left: 0; width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  z-index: 1000;
  padding: 1rem 0;
}
.nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--color-secondary); display: flex; align-items: center; gap: 0.5rem; }
.logo span { color: var(--color-primary); }
.nav-links { display: none; gap: 2rem; }
.nav-links a { font-weight: 600; color: var(--color-secondary); }
.nav-links a:hover, .nav-links a.active { color: var(--color-primary); }
.nav-cta { display: none; }
.menu-toggle { display: block; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-secondary); }

/* Mobile Menu */
.mobile-menu {
  position: fixed; top: 0; right: -100%; width: 80%; max-width: 300px; height: 100vh;
  background-color: var(--color-bg); box-shadow: -4px 0 10px rgba(0,0,0,0.1);
  padding: 5rem 2rem 2rem; transition: var(--transition); z-index: 999;
}
.mobile-menu.active { right: 0; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 1.5rem; }
.mobile-menu a { font-size: 1.2rem; font-weight: 600; color: var(--color-secondary); }
.close-menu { position: absolute; top: 1.5rem; right: 1.5rem; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* Hero Section */
.hero {
  position: relative; height: 90vh; min-height: 500px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(rgba(44, 62, 80, 0.7), rgba(44, 62, 80, 0.7)), url('../images/hero/hero-home.jpg') center/cover no-repeat;
  color: #fff; text-align: center; padding-top: 80px;
}
.hero h1 { color: #fff; font-size: 2.2rem; }
.hero p { color: #f0f0f0; font-size: 1.1rem; margin-bottom: 2rem; }
.hero-buttons { display: flex; flex-direction: column; gap: 1rem; align-items: center; }

/* Features Grid */
.features-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 2rem; }
.feature-card {
  background: var(--color-bg); padding: 2rem; border-radius: var(--radius);
  box-shadow: var(--shadow); text-align: center; transition: var(--transition);
}
.feature-card:hover { transform: translateY(-5px); }
.feature-icon { width: 64px; height: 64px; margin: 0 auto 1rem; color: var(--color-primary); }

/* Services Preview */
.services-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 2rem; }
.service-card {
  background: var(--color-bg); padding: 2rem; border-radius: var(--radius);
  box-shadow: var(--shadow); border-top: 4px solid var(--color-primary);
}
.service-price { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); margin: 1rem 0; }
.service-list { margin-bottom: 1.5rem; }
.service-list li { padding: 0.5rem 0; border-bottom: 1px solid #eee; display: flex; align-items: center; gap: 0.5rem; }
.service-list li::before { content: "✓"; color: var(--color-primary); font-weight: bold; }

/* Process Steps */
.process-steps { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 2rem; }
.step { text-align: center; }
.step-img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius); margin-bottom: 1rem; }
.step-number {
  display: inline-block; width: 40px; height: 40px; line-height: 40px;
  background: var(--color-primary); color: #fff; border-radius: 50%;
  font-weight: 700; margin-bottom: 1rem;
}

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 2rem; }
.testimonial-card {
  background: var(--color-bg); padding: 2rem; border-radius: var(--radius);
  box-shadow: var(--shadow); text-align: center;
}
.testimonial-img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin: 0 auto 1rem; border: 3px solid var(--color-primary); }
.stars { color: #f1c40f; margin-bottom: 1rem; }

/* Contact Page */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; margin-top: 2rem; }
.contact-info-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.contact-icon { color: var(--color-primary); font-size: 1.5rem; margin-top: 0.2rem; }
.contact-form { background: var(--color-bg-alt); padding: 2rem; border-radius: var(--radius); }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--color-secondary); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.875rem; border: 1px solid #ddd; border-radius: 8px;
  font-family: var(--font-body); font-size: 1rem; transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.2);
}
.form-error { color: #e74c3c; font-size: 0.875rem; margin-top: 0.25rem; display: none; }
.form-group.error input, .form-group.error textarea { border-color: #e74c3c; }
.form-group.error .form-error { display: block; }

/* Footer */
.footer { background-color: var(--color-secondary); color: #fff; padding: 3rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer h4 { color: #fff; margin-bottom: 1rem; }
.footer p, .footer a { color: #bdc3c7; }
.footer a:hover { color: var(--color-primary); }
.footer-bottom { text-align: center; padding-top: 1.5rem; border-top: 1px solid #34495e; font-size: 0.875rem; color: #95a5a6; }

/* Legal Pages */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h2 { text-align: left; margin-top: 2rem; }
.legal-content p, .legal-content ul { margin-bottom: 1rem; }
.legal-content ul { list-style: disc; padding-left: 1.5rem; }

/* Desktop Media Queries */
@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  .nav-links, .nav-cta { display: flex; }
  .menu-toggle { display: none; }
  .hero-buttons { flex-direction: row; justify-content: center; }
  .features-grid, .services-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .features-grid, .services-grid, .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
  .container { padding: 0 2rem; }
}

/* Accessibility */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

/* Service Icons */
.service-icon,
.feature-icon {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.service-icon img,
.feature-icon img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon img,
.feature-card:hover .feature-icon img {
  transform: scale(1.1);
}