/* ===========================================
   TravelPhone Premium Theme
   Design Direction: Premium Travel-Tech / eSIM Brand
   =========================================== */

/* =========================================
   CSS CUSTOM PROPERTIES
   ========================================= */
:root {
  /* Color Palette */
  --color-bg: #f5f7fb;
  --color-surface: #ffffff;
  --color-primary: #0f5ad1;        /* Rich blue - trust, tech */
  --color-primary-dark: #0a3d8f;
  --color-primary-light: #4a8fea;
  --color-accent: #ff7a40;         /* Warm orange/coral - CTAs */
  --color-accent-dark: #e65a20;
  --color-accent-light: #ffa070;
  --color-text: #1f2933;
  --color-text-light: #52606d;
  --color-muted: #6b7280;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --color-warning: #f59e0b;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 90, 209, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(15, 90, 209, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px rgba(15, 90, 209, 0.12), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(15, 90, 209, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-soft: 0 18px 40px rgba(15, 90, 209, 0.12);

  /* Typography */
  --font-heading: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Roboto", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Transitions */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   GLOBAL BASE STYLES
   ========================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.875rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

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

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

/* =========================================
   LAYOUT UTILITIES
   ========================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  width: 100%;
}

.section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-surface);
}

.section-alt {
  background-color: var(--color-bg);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-sm);
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.section-subtitle {
  text-align: center;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xl);
  font-size: 1.125rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Grid Systems */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { 
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .grid-2, .grid-3, .grid-4 { 
    grid-template-columns: 1fr;
  }
}

/* =========================================
   BUTTON STYLES
   ========================================= */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  border: none;
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-surface) !important;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-surface) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
}

/* =========================================
   CARD STYLES
   ========================================= */
.card {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 1px solid var(--color-border);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

/* Product Plan Cards */
.card-plan {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
}

.card-plan::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0;
  transition: var(--transition-base);
}

.card-plan:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

.card-plan:hover::before {
  opacity: 1;
}

/* Highlighted/Featured Cards */
.card-highlight {
  border: 2px solid var(--color-accent);
  position: relative;
}

.card-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  opacity: 1;
}

.card-highlight::after {
  content: 'POPULAR';
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-surface);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-md);
}

/* =========================================
   BENEFIT CARDS
   ========================================= */
.benefit-card {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

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

.benefit-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: 50%;
  font-size: 2.5rem;
  color: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.benefit-card h3 {
  font-size: 1.375rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.benefit-card p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* =========================================
   TRUST BADGES
   ========================================= */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  border: 1px solid var(--color-border);
}

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

.trust-badge-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.trust-badge-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

/* =========================================
   HERO SECTIONS
   ========================================= */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.hero-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-media img,
.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 90, 209, 0.85) 0%, rgba(10, 61, 143, 0.9) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: var(--color-surface);
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--color-surface);
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  font-weight: 700;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-xl);
  color: var(--color-surface);
  opacity: 0.95;
  font-weight: 400;
}

/* Page Hero / Sub Hero (smaller banners) */
.page-hero,
.sub-hero {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: var(--spacing-xl) var(--spacing-lg);
}

.page-hero-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.page-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 90, 209, 0.7) 0%, rgba(74, 143, 234, 0.8) 100%);
  z-index: 2;
}

.page-hero-content {
  position: relative;
  z-index: 3;
  color: var(--color-surface);
  max-width: 700px;
}

.page-hero h1,
.sub-hero h1 {
  color: var(--color-surface);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-surface);
  opacity: 0.95;
  margin-bottom: 0;
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 1024px) {
  :root {
    font-size: 15px;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .hero {
    min-height: 60vh;
  }

  .page-hero,
  .sub-hero {
    min-height: 35vh;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }

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

  .hero {
    min-height: 50vh;
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .page-hero,
  .sub-hero {
    min-height: 30vh;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .benefit-card {
    padding: var(--spacing-lg);
  }

  .benefit-icon {
    width: 60px;
    height: 60px;
    font-size: 2rem;
  }

  .trust-badges {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  .card-plan,
  .benefit-card {
    padding: var(--spacing-md);
  }
}

/* =========================================
   UTILITY CLASSES
   ========================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.mb-xs { margin-bottom: var(--spacing-xs); }
.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); }

.pt-xs { padding-top: var(--spacing-xs); }
.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-xs { padding-bottom: var(--spacing-xs); }
.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }


.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    color: #fff;
}

.hero-media {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-media .hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(15, 90, 209, 0.25) 0%,   /* lighter */
    rgba(74, 143, 234, 0.08) 100% /* very subtle */
  );
  z-index: 2;
}


.hero-content {
    position: relative;
    z-index: 2;
}

/* Hide catalog search bar (temporary) */
.search-container {
  display: none;
}