/* ==========================================================================
   Aventara Travels - Global Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --deep-charcoal: #052A38;
  --off-white: #FFFFFF;
  --warm-gold: #1A7A99;
  --ocean-blue: #0E4F66;
  --light-sand: #F0F8FF;
  
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-fast: 0.3s ease;
  --transition-smooth: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  
  --shadow-sm: 0 4px 6px rgba(21, 21, 21, 0.05);
  --shadow-md: 0 10px 30px rgba(21, 21, 21, 0.1);
  --shadow-lg: 0 20px 40px rgba(21, 21, 21, 0.2);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--deep-charcoal);
  background-color: var(--off-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: 1rem;
  font-weight: 300;
}

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

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

.section-subtitle {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  color: var(--warm-gold);
  margin-bottom: 0.5rem;
  display: block;
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

.bg-dark {
  background-color: var(--ocean-blue);
  color: var(--off-white);
}

.bg-sand {
  background-color: var(--light-sand);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--off-white) !important;
  border-radius: 50px;
  padding: 0.6rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition-fast);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}
.btn-primary {
  background-color: var(--warm-gold);
  color: var(--off-white);
}

.btn-primary:hover {
  background-color: #b5955a;
  color: #fff;
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--warm-gold);
  color: var(--warm-gold);
}

.btn-secondary:hover {
  background-color: var(--warm-gold);
  color: var(--off-white);
}

.btn-outline-light {
  background-color: transparent;
  border-color: var(--off-white);
  color: var(--off-white);
}

.btn-outline-light:hover {
  background-color: var(--off-white);
  color: var(--deep-charcoal);
}

.btn-text {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--warm-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-text:hover {
  gap: 0.75rem;
  color: var(--ocean-blue);
}

/* --- Header & Navigation --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: 1rem 0;
}

header.scrolled .nav-container {
  background: rgba(14, 79, 102, 0.85);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

header.scrolled-light {
  padding: 1rem 0;
}

header.scrolled-light .nav-container {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.05);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

header.scrolled-light .nav-link,
header.scrolled-light .logo-text {
  color: var(--deep-charcoal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  transition: var(--transition-smooth);
}


.logo a {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--off-white);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.logo-sub {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--warm-gold);
  letter-spacing: 3px;
}

.nav-menu {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.nav-link {
  color: var(--off-white);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--warm-gold);
  transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--off-white);
  transition: var(--transition-fast);
}

header.scrolled-light .hamburger span {
  background-color: var(--ocean-blue);
}

/* --- Hero Section --- */
.hero {
  height: 100vh;
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(21, 21, 21, 0.4);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--off-white);
  max-width: 800px;
  padding: 0 2rem;
}

.hero-content h1 {
  margin: 1rem 0 1.5rem;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: bounce 2s infinite;
}

.scroll-indicator span {
  display: block;
  width: 1px;
  height: 40px;
  background-color: var(--off-white);
  margin: 0 auto;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-15px) translateX(-50%);
  }
  60% {
    transform: translateY(-7px) translateX(-50%);
  }
}

/* --- Sections --- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/5;
}

/* Cards & Grids */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background-color: #fff;
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.card-icon {
  margin-bottom: 1.5rem;
}
.card-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--warm-gold);
}

/* Destination / Tour Cards */
.image-card {
  position: relative;
  overflow: hidden;
  background-color: var(--ocean-blue);
  color: var(--off-white);
}

.image-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.image-card:hover img {
  transform: scale(1.05);
  opacity: 0.7;
}

.image-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 2rem;
  background: linear-gradient(to top, rgba(21, 21, 21, 0.9), transparent);
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0 3rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--warm-gold);
  color: var(--deep-charcoal);
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--warm-gold);
  color: var(--off-white);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
}

input, select, textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid #ccc;
  background-color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--warm-gold);
}

.form-message {
  display: none;
  padding: 1rem;
  margin-top: 1rem;
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border-color: #f5c6cb;
}

/* Accordion */
.accordion {
  margin-top: 3rem;
}

.accordion-item {
  border-bottom: 1px solid #ddd;
}

.accordion-header {
  padding: 1.5rem 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.accordion-header:hover {
  color: var(--warm-gold);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.accordion-content-inner {
  padding-bottom: 1.5rem;
}

.accordion-icon {
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

/* Banner */
.banner {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 8rem 0;
  text-align: center;
  color: var(--off-white);
}

.banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(21, 21, 21, 0.6);
}

.banner-content {
  position: relative;
  z-index: 1;
}

/* Footer */
footer {
  background-color: var(--ocean-blue);
  color: var(--off-white);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--warm-gold);
}

.footer-links li {
  margin-bottom: 0.75rem;
}

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

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--off-white);
  border-radius: 50%;
}

.social-links a:hover {
  background-color: var(--warm-gold);
  border-color: var(--warm-gold);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom-links {
  display: flex;
  gap: 1rem;
}

/* Utilities & Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.floating-share, .back-to-top {
    position: fixed;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(14, 79, 102, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--off-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.floating-share {
    bottom: 90px;
}

.back-to-top {
    bottom: 30px;
    opacity: 0;
    visibility: hidden;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.floating-share:hover, .back-to-top:hover {
    background: var(--ocean-blue);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .intro-grid, .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .hamburger {
    display: flex;
    z-index: 1001;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--ocean-blue);
    flex-direction: column;
    justify-content: center;
    transition: var(--transition-smooth);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu .nav-link {
    font-size: 1.5rem;
    color: var(--off-white);
  }
  
  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: var(--off-white);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background-color: var(--off-white);
  }

  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-btns {
    flex-direction: column;
  }
}

/* --- Dropdowns --- */
.nav-item {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--off-white);
  min-width: 220px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-fast);
  padding: 0.5rem 0;
  z-index: 1000;
  border-radius: 4px;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--deep-charcoal);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--light-sand);
  color: var(--ocean-blue);
}

@media (max-width: 768px) {
  .dropdown-menu {
    position: static;
    background-color: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    padding-left: 1rem;
  }
  .nav-item:hover .dropdown-menu {
    display: block;
  }
  .dropdown-link {
    color: var(--off-white);
    padding: 0.5rem 0;
  }
}