/*
Theme Name: Tripevou International Liquid Glass
Theme URI: https://tripevou.com
Author: Erik Kokinda - DiverzityStudios.sk
Author URI: https://diverzitystudios.sk
Description: Premium international chauffeur service theme with Apple's Liquid Glass design language
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tripevou-com
Tags: luxury, transport, limousine, business, modern, international
*/

/* ===================================
   CSS Variables - Color Palette
   =================================== */
:root {
  /* Colors */
  --color-almost-black: #050608;
  --color-soft-white: #F7F7F7;
  --color-warm-gold: #38b6ff;
  --color-charcoal: #2B2F3A;

  /* Gradient Overlays for Liquid Glass */
  --glass-gradient: linear-gradient(135deg, rgba(56, 182, 255, 0.1) 0%, rgba(43, 47, 58, 0.1) 100%);
  --glass-border: rgba(247, 247, 247, 0.1);

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-strong: 0 8px 48px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===================================
   Global Reset & Base Styles
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-almost-black);
  color: var(--color-soft-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 2rem);
}

p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
  color: rgba(247, 247, 247, 0.85);
}

a {
  color: var(--color-warm-gold);
  text-decoration: none;
  transition: var(--transition-smooth);
}

a:hover {
  color: var(--color-soft-white);
}

/* ===================================
   Liquid Glass Components
   =================================== */
.glass-card {
  background: rgba(43, 47, 58, 0.3);
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  border: 1px solid rgba(56, 182, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition-smooth);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(56, 182, 255, 0.05) 0%, rgba(43, 47, 58, 0.05) 100%);
  pointer-events: none;
  opacity: 0;
  transition: var(--transition-smooth);
}

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

.glass-card:hover {
  background: rgba(43, 47, 58, 0.45);
  backdrop-filter: blur(40px) saturate(220%);
  -webkit-backdrop-filter: blur(40px) saturate(220%);
  border-color: rgba(56, 182, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4),
              0 0 24px rgba(56, 182, 255, 0.15),
              inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-card.active {
  background: rgba(56, 182, 255, 0.25);
  backdrop-filter: blur(40px) saturate(220%);
  -webkit-backdrop-filter: blur(40px) saturate(220%);
  border-color: rgba(56, 182, 255, 0.5);
  box-shadow: 0 12px 48px rgba(56, 182, 255, 0.3),
              0 0 32px rgba(56, 182, 255, 0.25),
              inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.category-filter {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-filter:hover {
  transform: translateY(-6px) scale(1.02);
}

.vehicle-card {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.glass-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  background: rgba(43, 47, 58, 0.3);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(56, 182, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-soft-white);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.glass-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(56, 182, 255, 0.4), transparent);
  transition: left 0.5s;
}

.glass-button:hover::before {
  left: 100%;
}

.glass-button:hover {
  background: rgba(56, 182, 255, 0.4);
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  border-color: rgba(56, 182, 255, 0.5);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(56, 182, 255, 0.3),
              0 0 16px rgba(56, 182, 255, 0.2),
              inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-button-primary {
  background: rgba(56, 182, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(56, 182, 255, 0.9);
  color: var(--color-almost-black);
  font-weight: 600;
  box-shadow: 0 4px 24px rgba(56, 182, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.glass-button-primary:hover {
  background: rgba(247, 247, 247, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-color: var(--color-soft-white);
  box-shadow: 0 8px 32px rgba(247, 247, 247, 0.4),
              0 0 24px rgba(56, 182, 255, 0.5),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* ===================================
   Layout Components
   =================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-dark {
  background-color: var(--color-almost-black);
}

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

/* ===================================
   Header & Navigation
   =================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(5, 6, 8, 0.4);
  backdrop-filter: blur(40px) saturate(200%);
  -webkit-backdrop-filter: blur(40px) saturate(200%);
  border-bottom: 1px solid rgba(56, 182, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: var(--transition-smooth);
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(56, 182, 255, 0.05) 0%, rgba(43, 47, 58, 0.05) 100%);
  pointer-events: none;
}

.site-header.scrolled {
  background: rgba(5, 6, 8, 0.6);
  backdrop-filter: blur(50px) saturate(220%);
  -webkit-backdrop-filter: blur(50px) saturate(220%);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(56, 182, 255, 0.3);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-logo {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-soft-white);
  letter-spacing: -0.02em;
  transition: var(--transition-smooth);
}

.site-logo:hover {
  color: var(--color-warm-gold);
  transform: scale(1.02);
}

.site-logo-link {
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
}

.site-logo-link:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.site-logo-img {
  height: 150px;
  width: auto;
  max-width: 400px;
  transition: var(--transition-smooth);
}

.custom-logo-link {
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
}

.custom-logo-link:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.custom-logo {
  height: 150px;
  width: auto;
  max-width: 400px;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.main-navigation a {
  color: var(--color-soft-white);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
  position: relative;
  background: rgba(43, 47, 58, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(56, 182, 255, 0.1);
}

.main-navigation a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(56, 182, 255, 0.1) 0%, rgba(43, 47, 58, 0.1) 100%);
  border-radius: var(--radius-md);
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.main-navigation a:hover::before {
  opacity: 1;
}

.main-navigation a:hover {
  color: var(--color-warm-gold);
  background: rgba(43, 47, 58, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(56, 182, 255, 0.3);
  box-shadow: 0 4px 16px rgba(56, 182, 255, 0.2);
  transform: translateY(-2px);
}

.main-navigation a.current-menu-item {
  color: var(--color-warm-gold);
  background: rgba(56, 182, 255, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(56, 182, 255, 0.3);
  box-shadow: 0 4px 16px rgba(56, 182, 255, 0.15);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 28px;
  height: 2px;
  background: var(--color-soft-white);
  transition: var(--transition-smooth);
  border-radius: 2px;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 180px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top, rgba(56, 182, 255, 0.15), transparent 50%);
  z-index: 1;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: var(--spacing-md);
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-soft-white) 0%, var(--color-warm-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-subtitle {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  color: rgba(247, 247, 247, 0.8);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s backwards;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.2s backwards;
}

/* ===================================
   Grid Layouts
   =================================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

/* ===================================
   Footer
   =================================== */
.site-footer {
  background: var(--color-almost-black);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h4 {
  color: var(--color-warm-gold);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
  color: rgba(247, 247, 247, 0.7);
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: var(--color-warm-gold);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
  color: rgba(247, 247, 247, 0.5);
  font-size: 0.9rem;
}

.footer-bottom .powered-by {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.diverzity-link {
  color: #FF7F50;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  margin-left: 0.35rem;
}

.diverzity-link:hover {
  color: #FF9A73;
  text-shadow: 0 0 12px rgba(255, 127, 80, 0.6);
  transform: translateY(-1px);
}

.diverzity-link:active {
  transform: translateY(0);
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
  text-align: center;
}

.text-gold {
  color: var(--color-warm-gold);
}

.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); }
.mt-xl { margin-top: var(--spacing-xl); }

/* ===================================
   Vehicle Photo Slideshow
   =================================== */
.vehicle-photo-slideshow {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(43, 47, 58, 0.3);
}

.vehicle-photo-slideshow img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: none;
}

.vehicle-photo-slideshow img:first-child {
  display: block;
}

.slideshow-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.slideshow-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(247, 247, 247, 0.4);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid rgba(56, 182, 255, 0.2);
}

.slideshow-dot:hover {
  background: rgba(56, 182, 255, 0.6);
  transform: scale(1.2);
}

.slideshow-dot.active {
  background: var(--color-warm-gold);
  box-shadow: 0 0 10px rgba(56, 182, 255, 0.5);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .site-logo-img,
  .custom-logo {
    height: 100px;
    max-width: 250px;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .main-navigation {
    position: fixed;
    top: 130px;
    left: 0;
    right: 0;
    background: rgba(5, 6, 8, 0.85);
    backdrop-filter: blur(50px) saturate(200%);
    -webkit-backdrop-filter: blur(50px) saturate(200%);
    padding: var(--spacing-md);
    transform: translateX(-100%);
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(56, 182, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }

  .main-navigation.active {
    transform: translateX(0);
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 0;
  }

  .main-navigation a {
    display: block;
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .glass-button {
    justify-content: center;
  }

  /* Booking form section - reduce padding on mobile */
  #objednavka .container {
    padding: 0 0.25rem;
  }

  /* Give booking form wrapper full width */
  .tripevou-booking-wrapper {
    margin: 0;
  }
}

@media (max-width: 480px) {
  .site-logo-img,
  .custom-logo {
    height: 70px;
    max-width: 180px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}