/**
 * Hermanos Marketing Website - Main Styles
 * Professional, minimalist design for congregation management app
 */

/* ==========================================
   RESET & BASE STYLES
   ========================================== */

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

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

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

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

a:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

strong, b {
  font-weight: 600;
}

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

/* ==========================================
   LAYOUT UTILITIES
   ========================================== */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-sm {
  max-width: var(--container-sm);
}

.container-lg {
  max-width: var(--container-2xl);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  min-height: 50px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.nav-link:hover {
  color: var(--primary-color);
  background-color: var(--bg-secondary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-base);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 12px 24px;
  font-size: var(--text-base);
  font-weight: 600;
  font-family: var(--font-primary);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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

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

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

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

.btn-large {
  padding: 16px 32px;
  font-size: var(--text-lg);
}

.btn-small {
  padding: 8px 16px;
  font-size: var(--text-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Icon Buttons */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background-color: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.icon-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  position: relative;
  padding: var(--spacing-lg) 0;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* ==========================================
   CARDS
   ========================================== */

.card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

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

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
  border-radius: var(--radius-lg);
  color: white;
  margin-bottom: var(--spacing-md);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
  transition: transform 0.3s ease;
}

.card:hover .card-icon {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.card-icon svg {
  width: 32px;
  height: 32px;
  stroke-width: 2;
}

.card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.card p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ==========================================
   GRID LAYOUTS
   ========================================== */

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

.features {
  background-color: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl) auto;
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

/* ==========================================
   HOW IT WORKS
   ========================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  counter-reset: step-counter;
}

.step {
  position: relative;
  text-align: center;
}

.step::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md) auto;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #ffffff;
  font-size: var(--text-2xl);
  font-weight: 700;
  border-radius: 50%;
}

.step h3 {
  margin-bottom: var(--spacing-sm);
}

/* ==========================================
   SCREENSHOTS
   ========================================== */

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

.screenshot {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

.screenshot:hover {
  transform: scale(1.05);
}

.screenshot img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshot-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: #ffffff;
  font-size: var(--text-sm);
  text-align: center;
}

/* ==========================================
   FAQ SECTION
   ========================================== */

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

.faq-item {
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--bg-secondary);
  border: none;
  text-align: left;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-base);
}

.faq-question:hover {
  background-color: var(--bg-tertiary);
}

.faq-icon {
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

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

.faq-answer-content {
  padding: var(--spacing-md);
  background-color: var(--bg-primary);
}

/* ==========================================
   FORMS
   ========================================== */

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--text-base);
  font-family: var(--font-primary);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  display: none;
  margin-top: var(--spacing-xs);
  color: var(--error-color);
  font-size: var(--text-sm);
}

.form-group.error .form-error {
  display: block;
}

.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
  border-color: var(--error-color);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background-color: var(--bg-secondary);
  padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  font-size: var(--text-lg);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

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

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* ==========================================
   MODAL
   ========================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
}

.modal-content {
  position: relative;
  z-index: var(--z-modal);
  background-color: var(--bg-primary);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn var(--transition-slow);
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--text-2xl);
  color: var(--text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.modal-close:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* ==========================================
   DOWNLOAD LINKS
   ========================================== */

.download-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.download-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.download-link:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.download-icon {
  width: 110px;
  height: 110px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.download-icon svg {
  width: 100%;
  height: 100%;
}

.download-text h4 {
  margin: 0 0 4px 0;
  font-size: var(--text-lg);
  color: var(--text-primary);
}

.download-text p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==========================================
   LEGAL PAGES
   ========================================== */

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) 0;
}

.legal-content h1 {
  margin-bottom: var(--spacing-sm);
}

.legal-content .last-updated {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  margin-bottom: var(--spacing-xl);
}

.legal-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.legal-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: var(--text-xl);
}

.legal-content ul, .legal-content ol {
  margin-bottom: var(--spacing-lg);
}

.legal-content li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 100;
}

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

/* ==========================================
   INSTALL PROMPT (Add to Homescreen)
   ========================================== */

.install-prompt {
  position: fixed;
  bottom: -100%;
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-top: 3px solid var(--primary-color);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  transition: bottom 0.3s ease-in-out;
  max-width: 600px;
  margin: 0 auto;
}

.install-prompt.show {
  bottom: 0;
}

.install-prompt-content {
  padding: var(--spacing-lg);
  position: relative;
  text-align: center;
}

.install-prompt-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.install-prompt-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.install-prompt-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s ease;
}

.install-prompt-icon:hover {
  transform: scale(1.1);
  cursor: pointer;
}

.install-prompt-content h3 {
  font-size: var(--text-2xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.install-prompt-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-size: var(--text-base);
}

.install-instructions {
  text-align: left;
  max-width: 400px;
  margin: var(--spacing-md) auto;
  padding-left: var(--spacing-lg);
}

.install-instructions li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  line-height: 1.6;
}

.install-instructions strong {
  color: var(--primary-color);
}

.install-instructions svg {
  display: inline-block;
  vertical-align: middle;
  margin-left: 4px;
}

.install-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.install-buttons .btn {
  min-width: 140px;
}

/* Install button in navigation */
.btn-install {
  display: none;
  font-size: var(--text-sm);
  padding: 0.5rem 1rem;
}

@media (min-width: 768px) {
  .btn-install {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
  }
}

/* Responsive install prompt */
@media (max-width: 640px) {
  .install-prompt-content {
    padding: var(--spacing-md);
  }
  
  .install-prompt-icon {
    font-size: 36px;
  }
  
  .install-prompt-content h3 {
    font-size: var(--text-xl);
  }
  
  .install-instructions {
    padding-left: var(--spacing-md);
    font-size: var(--text-sm);
  }
  
  .install-buttons {
    flex-direction: column;
  }
  
  .install-buttons .btn {
    width: 100%;
  }
}