/* Provenance Custom Styles - Phase 3: Visual Design & Polish */

/* ========================================
   Modern Color Enhancements
   ======================================== */

:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-color: #10b981;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --border-radius: 12px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Enhanced Typography
   ======================================== */

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

p {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.7;
}

/* ========================================
   Modern Button Styling
   ======================================== */

.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.btn:active {
  transform: translateY(0);
}

.btn-main-md {
  padding: 0.875rem 2rem;
  font-size: 1.05rem;
}

.btn-lg {
  padding: 1rem 2.5rem !important;
  font-size: 1.15rem !important;
  box-shadow: var(--shadow-md) !important;
}

.btn-lg:hover {
  box-shadow: var(--shadow-lg) !important;
}

/* App Store Button Special Styling */
.btn-main-md.btn-lg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  position: relative;
}

.btn-main-md.btn-lg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #7c8ff5 0%, #8a5bb5 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-main-md.btn-lg:hover::before {
  opacity: 1;
}

.btn-main-md.btn-lg span {
  position: relative;
  z-index: 1;
}

/* ========================================
   Social Proof Section Enhancements
   ======================================== */

.social-proof-item {
  padding: 2rem 1rem;
  transition: var(--transition-smooth);
  border-radius: var(--border-radius);
}

.social-proof-item:hover {
  transform: translateY(-4px);
  background: rgba(102, 126, 234, 0.05);
}

.social-proof-item h2 {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

/* ========================================
   Why Provenance Section
   ======================================== */

.why-provenance {
  padding: 5rem 0;
}

.why-item {
  padding: 1.5rem;
  transition: var(--transition-smooth);
  border-radius: var(--border-radius);
  height: 100%;
}

.why-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  background: #ffffff;
}

.why-item .icon-box {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  transition: var(--transition-smooth);
}

.why-item:hover .icon-box {
  background: var(--primary-gradient);
}

.why-item:hover .icon-box i {
  color: white !important;
}

.why-item h4 {
  color: #1a202c;
  font-weight: 700;
}

/* ========================================
   tvOS Showcase Section
   ======================================== */

.tvos-showcase {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.tvos-showcase::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: 0.3;
}

.tvos-feature-card {
  transition: var(--transition-smooth);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.tvos-feature-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Comparison Table Enhancements
   ======================================== */

.comparison-section {
  padding: 5rem 0;
}

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

.comparison-table table {
  margin-bottom: 0;
  border-collapse: separate;
  border-spacing: 0;
}

.comparison-table th {
  font-weight: 700;
  padding: 1.25rem 1rem;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-table td {
  padding: 1.25rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid #e2e8f0;
}

.comparison-table tbody tr {
  transition: var(--transition-smooth);
}

.comparison-table tbody tr:hover {
  background-color: #f8f9ff !important;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

/* ========================================
   Banner Feature Cards
   ======================================== */

.rounded.shadow {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg) !important;
  border: 1px solid rgba(102, 126, 234, 0.1);
  transition: var(--transition-smooth);
}

.rounded.shadow:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.15) !important;
}

/* ========================================
   Feature Sections
   ======================================== */

.feature-content h2 {
  color: #1a202c;
  margin-bottom: 1.5rem;
}

.feature-content p {
  color: #4a5568;
  font-size: 1.125rem;
}

.testimonial .meta li {
  color: #667eea;
  font-weight: 600;
  font-size: 1rem;
}

/* ========================================
   Service Section
   ======================================== */

.service-item {
  padding: 1.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition-smooth);
  background: white;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.service-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-item i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.service-item h3 {
  color: #1a202c;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* ========================================
   Download Section
   ======================================== */

.call-to-action-app.bg-blue {
  background: var(--primary-gradient) !important;
  position: relative;
  overflow: hidden;
}

.call-to-action-app::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: 0.3;
}

.btn-rounded-icon {
  border-radius: var(--border-radius);
  padding: 1rem 2rem;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-rounded-icon:hover {
  background: rgba(255, 255, 255, 0.95);
  color: #667eea !important;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-rounded-icon i {
  font-size: 1.5rem;
  margin-right: 0.5rem;
}

/* ========================================
   Gradient Banner Enhancements
   ======================================== */

.gradient-banner {
  position: relative;
  padding: 6rem 0;
}

.gradient-banner h1 {
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.gradient-banner p {
  font-size: 1.25rem;
  line-height: 1.8;
  opacity: 0.95;
}

/* ========================================
   Image Enhancements
   ======================================== */

.image-content img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-smooth);
}

.image-content:hover img {
  transform: scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Mobile Responsiveness
   ======================================== */

@media (max-width: 768px) {
  .why-provenance {
    padding: 3rem 0;
  }

  .tvos-showcase {
    padding: 3rem 0;
  }

  .comparison-section {
    padding: 3rem 0;
  }

  .social-proof-item h2 {
    font-size: 2.5rem;
  }

  .why-item {
    margin-bottom: 1.5rem;
  }

  .btn-lg {
    width: 100%;
    margin-bottom: 0.75rem;
  }

  .gradient-banner {
    padding: 4rem 0;
  }

  .comparison-table {
    font-size: 0.875rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.75rem 0.5rem;
  }
}

/* ========================================
   Accessibility & Focus States
   ======================================== */

.btn:focus,
a:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* ========================================
   Loading Animation
   ======================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  animation: fadeInUp 0.6s ease-out;
}

/* ========================================
   CTA Hover Effect
   ======================================== */

.params.cta {
  background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
}

/* ========================================
   Footer Enhancements
   ======================================== */

footer {
  border-top: 1px solid rgba(102, 126, 234, 0.1);
}

footer .socialIcon a {
  transition: var(--transition-smooth);
  display: inline-block;
}

footer .socialIcon a:hover {
  transform: translateY(-3px);
  color: #667eea !important;
}