/* ===================================
   ANUGRAH TOUR & TRAVEL - MAIN STYLES
   Modern, Responsive Design
   Color Scheme: Teal/Blue with Coral/Orange accents
   =================================== */

:root {
    /* Primary Colors */
    --primary-color: #0097a7; /* Teal */
    --primary-dark: #006064;
    --primary-light: #4dd0e1;
    
    /* Secondary Colors */
    --secondary-color: #ff6b35; /* Coral/Orange */
    --secondary-dark: #e55100;
    --secondary-light: #ffb74d;
    
    /* Neutral Colors */
    --bg-color: #f5f7fa;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --border-color: #ecf0f1;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 151, 167, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 151, 167, 0.15);
    
    /* Status Colors */
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    
    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-xxl: 40px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

body:has(.booking-form) {
    background-image: linear-gradient(rgba(5, 30, 39, 0.58), rgba(5, 30, 39, 0.68)), url('../images/bg.png');
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-color: #163d48;
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.1rem;
}

h6 {
    font-size: 0.9rem;
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--secondary-color);
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-sm {
    padding: 8px 15px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-success {
    background-color: var(--success);
    color: var(--white);
}

.btn-success:hover {
    background-color: #229954;
}

.btn-danger {
    background-color: var(--danger);
    color: var(--white);
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-warning {
    background-color: var(--warning);
    color: var(--white);
}

.btn-warning:hover {
    background-color: #e67e22;
}

/* ===================================
   FORMS
   =================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 151, 167, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.booking-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
    padding: clamp(var(--spacing-lg), 4vw, var(--spacing-xl));
    border: 1px solid rgba(255, 255, 255, 0.42);
    border-radius: 14px;
    background-color: rgba(255, 255, 255, 0.22);
    box-shadow: 0 24px 70px rgba(2, 20, 27, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(18px) saturate(120%);
    -webkit-backdrop-filter: blur(18px) saturate(120%);
}

body:has(.booking-form) .section-title h2,
body:has(.booking-form) .section-title p,
body:has(.booking-form) .form-section-title,
body:has(.booking-form) .booking-form label {
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.28);
}

body:has(.booking-form) .form-section {
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 10px;
    background: rgba(7, 50, 60, 0.14);
}

body:has(.booking-form) input[type="text"],
body:has(.booking-form) input[type="email"],
body:has(.booking-form) input[type="number"],
body:has(.booking-form) input[type="date"],
body:has(.booking-form) input[type="tel"],
body:has(.booking-form) select,
body:has(.booking-form) textarea,
body:has(.booking-form) .multi-select-dropdown summary {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.78);
    color: #18343d;
}

body:has(.booking-form) table {
    border-radius: 8px;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.68) !important;
}

body:has(.booking-form) .multi-select-options {
    background: #fff;
}

body:has(.booking-form) .multi-select-dropdown summary,
body:has(.booking-form) .multi-select-options label,
body:has(.booking-form) .multi-select-options input {
    color: #000;
}

body:has(.booking-form) .form-actions {
    padding-top: var(--spacing-sm);
}

.booking-form .form-section,
.booking-form .form-actions {
    grid-column: 1 / -1;
}

.booking-form .form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 var(--spacing-lg);
}

.booking-form .form-row.three-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (min-width: 768px) {
    .booking-form .form-section:nth-child(-n+4) {
        grid-column: span 1;
    }
}

@media (max-width: 767px) {
    .booking-form {
        grid-template-columns: 1fr;
    }

    .booking-form .form-row {
        grid-template-columns: 1fr;
    }
}

input[type="checkbox"],
input[type="radio"] {
    margin-right: var(--spacing-sm);
}

.checkbox-group,
.radio-group {
    margin-bottom: var(--spacing-md);
}

.checkbox-item,
.radio-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.checkbox-item label,
.radio-item label {
    margin-bottom: 0;
    margin-left: var(--spacing-sm);
    cursor: pointer;
}

.multi-select-dropdown {
    position: relative;
    width: 100%;
}

.multi-select-dropdown summary {
    cursor: pointer;
    list-style: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: #fff;
}

.multi-select-dropdown summary::-webkit-details-marker {
    display: none;
}

.multi-select-options {
    position: absolute;
    z-index: 10;
    width: 100%;
    max-height: 240px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    background: #fff;
    box-shadow: var(--shadow-md);
}

.multi-select-options label {
    display: block;
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0;
}

.multi-select-options label:hover {
    background: var(--bg-color);
}

.form-error {
    color: var(--danger);
    font-size: 0.9rem;
    margin-top: 5px;
}

.form-success {
    color: var(--success);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* ===================================
   ALERTS
   =================================== */

.alert {
    padding: var(--spacing-md);
    border-radius: 5px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.booking-document-notice {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.booking-document-notice a {
    color: inherit;
    font-weight: 700;
    text-decoration: underline;
}

.document-requirements-page {
    padding: var(--spacing-xl) 0;
}

.requirements-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

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

.requirements-section h3 {
    color: var(--primary-dark);
}

.requirements-section li {
    margin-bottom: var(--spacing-sm);
}

.requirements-source {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ===================================
   NAVBAR & HEADER
   =================================== */

.navbar {
    background: rgba(255, 255, 255, 0.72);
    border-bottom: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 8px 24px rgba(7, 45, 55, 0.12);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0;
    backdrop-filter: blur(16px) saturate(135%);
    -webkit-backdrop-filter: blur(16px) saturate(135%);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-logo {
    height: 40px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.navbar-link {
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--secondary-dark);
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* ===================================
   CONTAINER & LAYOUT
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    width: 100%;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.row {
    display: grid;
    gap: var(--spacing-lg);
}

.row.cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.row.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.row.cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

.col {
    width: 100%;
}

/* ===================================
   CARDS
   =================================== */

.card {
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: var(--spacing-lg);
}

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

.card-footer {
    background-color: var(--bg-color);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.card-title {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-color);
}

.card-text {
    color: var(--text-light);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 80px var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><circle cx="20%" cy="30%" r="100" fill="rgba(255,255,255,0.05)"/><circle cx="80%" cy="70%" r="150" fill="rgba(255,255,255,0.03)"/></svg>');
    opacity: 0.5;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 3rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--text-light);
}

/* ===================================
   TABLES
   =================================== */

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background-color: var(--bg-color);
}

/* ===================================
   BADGES & TAGS
   =================================== */

.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-primary {
    background-color: #d1ecf1;
    color: #0c5460;
}

.badge-success {
    background-color: #d4edda;
    color: #155724;
}

.badge-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-warning {
    background-color: #fff3cd;
    color: #856404;
}

/* ===================================
   UTILITIES
   =================================== */

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

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

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-xxl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-xxl); }

.pt-1 { padding-top: var(--spacing-sm); }
.pt-2 { padding-top: var(--spacing-md); }
.pt-3 { padding-top: var(--spacing-lg); }

.pb-1 { padding-bottom: var(--spacing-sm); }
.pb-2 { padding-bottom: var(--spacing-md); }
.pb-3 { padding-bottom: var(--spacing-lg); }

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-flex {
    display: flex;
}

.d-grid {
    display: grid;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.text-muted {
    color: var(--text-light);
}

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.cursor-pointer {
    cursor: pointer;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title h2 {
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* ===================================
   LOADING & SPINNERS
   =================================== */

.loader {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.text-loader {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .navbar-menu {
        display: none;
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .navbar-menu.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.88);
        border: 1px solid rgba(255, 255, 255, 0.55);
        border-top: 0;
        gap: 0;
        box-shadow: 0 12px 24px rgba(7, 45, 55, 0.14);
        backdrop-filter: blur(16px) saturate(135%);
        -webkit-backdrop-filter: blur(16px) saturate(135%);
    }
    
    .navbar-menu.active .navbar-link {
        display: block;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }
    
    .row.cols-2,
    .row.cols-3,
    .row.cols-4 {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 50px var(--spacing-lg);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 0.9rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1rem; }
    
    .container,
    .container-fluid {
        padding: 0 var(--spacing-md);
    }
    
    .btn {
        padding: 10px var(--spacing-md);
        font-size: 0.95rem;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .card-body,
    .card-header {
        padding: var(--spacing-md);
    }
}