/* components.css */
/* Header */
.site-header { position: sticky; top: 0; z-index: 1000; background-color: var(--bg-white); box-shadow: 0 2px 10px rgba(0,0,0,0.1); height: var(--header-height); display: flex; align-items: center; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo-container { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 40px; height: 40px; }
.logo-text { font-size: 1.25rem; font-weight: 700; color: var(--primary-color); margin: 0; }

/* Navigation */
.main-nav ul { display: flex; gap: 30px; margin: 0; }
.main-nav a { font-weight: 600; color: var(--text-dark); }
.main-nav a:hover, .main-nav a.active { color: var(--secondary-color); }

/* Mobile Menu Button */
.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--primary-color); }

/* Buttons */
.btn { display: inline-block; padding: 12px 24px; border-radius: 6px; font-weight: 600; text-align: center; cursor: pointer; border: none; transition: all var(--transition-speed); }
.btn-primary { background-color: var(--accent-color); color: var(--text-light); }
.btn-primary:hover { background-color: #e55a00; color: var(--text-light); transform: translateY(-2px); }
.btn-secondary { background-color: var(--primary-color); color: var(--text-light); }
.btn-secondary:hover { background-color: #002277; color: var(--text-light); transform: translateY(-2px); }
.btn-outline { background-color: transparent; border: 2px solid var(--primary-color); color: var(--primary-color); }
.btn-outline:hover { background-color: var(--primary-color); color: var(--text-light); }
.btn-block { display: block; width: 100%; }

/* Hero Section */
.hero { background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%); color: var(--text-light); padding: 100px 0; text-align: center; }
.hero h1 { color: var(--text-light); font-size: 3rem; margin-bottom: 20px; }
.hero p { color: rgba(255,255,255,0.9); font-size: 1.2rem; max-width: 800px; margin: 0 auto 30px; }
.hero-cta { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background-color: var(--bg-white); border-radius: 12px; padding: 30px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: transform var(--transition-speed); border: 1px solid var(--border-color); text-align: center; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
.card-icon { width: 60px; height: 60px; margin: 0 auto 20px; }
.card-title { font-size: 1.25rem; margin-bottom: 15px; }

/* Tariffs/Packages */
.tariff-card { position: relative; overflow: hidden; }
.tariff-badge { position: absolute; top: 15px; right: -35px; background-color: var(--accent-color); color: white; padding: 5px 40px; transform: rotate(45deg); font-weight: bold; font-size: 0.8rem; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.tariff-price { font-size: 2.5rem; font-weight: 700; color: var(--primary-color); margin: 20px 0; }
.tariff-price span { font-size: 1rem; color: var(--text-gray); font-weight: normal; }
.tariff-features { text-align: left; margin: 20px 0; border-top: 1px solid var(--border-color); padding-top: 20px; }
.tariff-features li { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; color: var(--text-dark); }
.tariff-features li::before { content: '✓'; color: var(--success-color); font-weight: bold; }

/* Accordion/FAQ */
.faq-list { max-width: 800px; margin: 0 auto; text-align: left; }
.faq-item { border: 1px solid var(--border-color); border-radius: 8px; margin-bottom: 15px; overflow: hidden; }
.faq-question { width: 100%; text-align: left; background-color: var(--bg-white); border: none; padding: 20px; font-weight: 600; font-size: 1.1rem; color: var(--primary-color); cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: background-color var(--transition-speed); }
.faq-question:hover { background-color: var(--bg-light); }
.faq-question::after { content: '+'; font-size: 1.5rem; transition: transform var(--transition-speed); }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height var(--transition-speed), padding var(--transition-speed); background-color: var(--bg-white); }
.faq-item.active .faq-answer { padding: 0 20px 20px; max-height: 500px; }

/* Forms */
.form-group { margin-bottom: 20px; text-align: left; }
.form-label { display: block; font-weight: 600; margin-bottom: 8px; color: var(--text-dark); }
.form-control { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); border-radius: 6px; font-family: inherit; font-size: 1rem; transition: border-color var(--transition-speed); }
.form-control:focus { outline: none; border-color: var(--secondary-color); box-shadow: 0 0 0 3px rgba(0, 169, 224, 0.1); }
.form-text { font-size: 0.85rem; color: var(--text-gray); margin-top: 5px; display: block; }
.form-check { display: flex; align-items: flex-start; gap: 10px; }
.form-check-input { margin-top: 5px; }

/* Alerts */
.alert { padding: 15px 20px; border-radius: 6px; margin-bottom: 20px; font-weight: 500; display: none; }
.alert-success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; display: block; }
.alert-danger { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; display: block; }

/* Footer */
.site-footer { background-color: #111b2b; color: #a0aec0; padding: 60px 0 20px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-heading { color: var(--text-light); font-size: 1.2rem; margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #a0aec0; }
.footer-links a:hover { color: var(--text-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 0.9rem; }

/* Breadcrumbs */
.breadcrumbs { background-color: var(--bg-light); padding: 15px 0; font-size: 0.9rem; }
.breadcrumbs ul { display: flex; gap: 8px; }
.breadcrumbs li::after { content: '>'; color: var(--text-gray); margin-left: 8px; }
.breadcrumbs li:last-child::after { content: ''; }
.breadcrumbs a { color: var(--text-gray); }
.breadcrumbs li:last-child { color: var(--primary-color); font-weight: 600; }

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}