/* ============================================
   ADDA TOURS - Base Styles & Reset
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--charcoal);
  letter-spacing: var(--ls-tight);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  margin-bottom: var(--space-md);
  line-height: var(--lh-relaxed);
  color: var(--gray-700);
}

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

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

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

/* === Selection === */
::selection {
  background: var(--gold-lightest);
  color: var(--charcoal);
}

::-moz-selection {
  background: var(--gold-lightest);
  color: var(--charcoal);
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--gray-100);
}
::-webkit-scrollbar-thumb {
  background: var(--gold-primary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-dark);
}

/* === Utility Classes === */
.adda-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
}

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

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

.adda-section {
  padding: var(--section-py) 0;
}

.text-gold { color: var(--gold-primary) !important; }
.text-charcoal { color: var(--charcoal) !important; }
.text-white { color: var(--white) !important; }
.bg-cream { background-color: var(--cream) !important; }
.bg-charcoal { background-color: var(--charcoal) !important; }
.bg-dark { background-color: var(--dark-bg) !important; }

/* === Section Headers === */
.adda-section-header {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.adda-section-header__label {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--gold-primary);
  margin-bottom: var(--space-sm);
}

.adda-section-header__title {
  font-size: var(--fs-h2);
  color: var(--gold-primary);
  margin-bottom: var(--space-md);
  position: relative;
}

.adda-section-header__title--light {
  color: var(--white);
}

.adda-section-header__divider {
  width: 60px;
  height: 2px;
  background: var(--gold-gradient);
  margin: var(--space-md) auto;
  position: relative;
}

.adda-section-header__divider::before {
  content: '◆';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 8px;
  color: var(--gold-primary);
  background: var(--white);
  padding: 0 10px;
}

.bg-charcoal .adda-section-header__divider::before,
.bg-dark .adda-section-header__divider::before {
  background: var(--charcoal);
}

.adda-section-header__subtitle {
  font-size: var(--fs-body-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--lh-relaxed);
}

/* === Loader === */
.adda-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loader);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.adda-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.adda-loader__spinner {
  width: 50px;
  height: 50px;
  position: relative;
}

.adda-loader__spinner::before,
.adda-loader__spinner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
}

.adda-loader__spinner::before {
  width: 100%;
  height: 100%;
  border: 2px solid var(--gold-lightest);
  border-top-color: var(--gold-primary);
  animation: adda-spin 1s linear infinite;
}

@keyframes adda-spin {
  to { transform: rotate(360deg); }
}

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

@keyframes adda-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes adda-slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes adda-slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes adda-shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.adda-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.adda-animate.in-view {
  opacity: 1;
  transform: translateY(0);
}

.adda-animate--delay-1 { transition-delay: 0.1s; }
.adda-animate--delay-2 { transition-delay: 0.2s; }
.adda-animate--delay-3 { transition-delay: 0.3s; }
.adda-animate--delay-4 { transition-delay: 0.4s; }
.adda-animate--delay-5 { transition-delay: 0.5s; }