/* 
   Aman Travels - Premium Travel Agency Website
   Design System & Main Styles
*/

/* --- Variables & Theme --- */
:root {
    /* Colors */
    --primary-color: #0F172A;
    /* Deep Navy Blue */
    --secondary-color: #CCA43B;
    /* Premium Gold */
    --accent-color: #38BDF8;
    /* Sky Blue for highlights */
    --text-dark: #1E293B;
    --text-light: #64748B;
    --text-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-gradient: linear-gradient(135deg, #FFECB3 0%, #B3E5FC 100%);
    /* Distinct Light Amber to Light Blue for colorful look */
    --bg-white: #FFFFFF;
    --border-color: #E2E8F0;

    /* Gradients */
    --gradient-premium: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    --gradient-gold: linear-gradient(135deg, #CCA43B 0%, #E5C35D 100%);

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    /* Premium feeling serif for headings */
    --font-body: 'Inter', sans-serif;
    /* Clean sans-serif for body */

    /* Spacing */
    --container-width: 1200px;
    --header-height: 80px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-gradient);
    background-attachment: fixed;
    /* Parallax-like effect */
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* --- Utility Classes --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

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

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

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

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

.mb-4 {
    margin-bottom: 2rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 0.9rem;
}

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

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

.btn-secondary {
    background: var(--gradient-gold);
    color: var(--primary-color);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

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

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

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

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

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

/* --- Header & Navigation --- */
header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    height: 90vh;
    background: linear-gradient(rgba(15, 23, 42, 0.4), rgba(15, 23, 42, 0.7)), url('https://images.unsplash.com/photo-1506461883276-594a12b11cf3?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    /* Full screen effect behind transparent header if wanted, but here we keep simple */
}

/* To push hero down if header is fixed and not transparent initially */
body {
    padding-top: var(--header-height);
}

.hero {
    margin-top: -80px;
    /* Pull back up to be behind header */
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    /* Already handled in background-image shorthand */
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.25rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

/* --- About Preview --- */
.about-preview .row {
    display: flex;
    align-items: center;
    gap: 50px;
}

.col-text,
.col-image {
    flex: 1;
}

.feature-list {
    margin: 20px 0;
}

.feature-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-list i {
    color: var(--secondary-color);
}

.img-placeholder {
    width: 100%;
    height: 400px;
    background-color: #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--text-light);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    background: url('https://images.unsplash.com/photo-1469854523086-cc02fe5d8800?ixlib=rb-1.2.1&auto=format&fit=crop&w=1321&q=80') center/cover;
}

/* --- Tour Grids & Cards --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tour-card {
    background: var(--bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.tour-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-img {
    height: 250px;
    background-color: #cbd5e1;
    position: relative;
    background-size: cover;
    background-position: center;
}

.badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 5px 10px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 3px;
    text-transform: uppercase;
}

.card-body {
    padding: 25px;
    text-align: left;
}

.card-body h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.card-body .duration {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.card-body .price {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 20px;
}

/* --- Testimonials --- */
.testimonial-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    max-width: 700px;
    margin: 0 auto;
}

.stars {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.review-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.client-name {
    font-weight: 600;
    color: var(--text-light);
}

/* --- Footer --- */
.footer {
    background-color: var(--primary-color);
    color: #94a3b8;
    /* Slate-400 */
    padding-top: 80px;
    margin-top: 80px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer h3 {
    color: var(--text-white);
    margin-bottom: 20px;
}

.footer h4 {
    color: var(--text-white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer ul li {
    margin-bottom: 10px;
}

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

.footer p {
    margin-bottom: 10px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    font-size: 0.9rem;
}

/* --- Page Header (for subpages) --- */
.page-header {
    height: 40vh;
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.7)), url('https://images.unsplash.com/photo-1469854523086-cc02fe5d8800?ixlib=rb-1.2.1&auto=format&fit=crop&w=1321&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: -80px;
    padding-top: 80px;
}

.page-header h1 {
    color: var(--text-white);
    font-size: 3rem;
}

/* --- Contact Form --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
}

/* --- Mobile Responsive --- */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: var(--transition);
        text-align: center;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .about-preview .row,
    .contact-container {
        flex-direction: column;
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2rem;
    }
}