/* Simple Navy Blue & White Theme - Minimal Design */

:root {
    --navy-blue: #1e3a8a;
    --navy-blue-dark: #0f172a;
    --white: #ffffff;
    --light-grey: #f1f5f9;
    --text-dark: #1e293b;
    --text-grey: #64748b;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--light-grey);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 35px;
    height: 35px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--navy-blue);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: var(--navy-blue);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1rem;
}

.title-line {
    display: block;
}

.hero-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

/* Flight Search Form */
.flight-search-form {
    background: var(--white);
    border-radius: 8px;
    padding: 1.5rem;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.search-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    background: var(--light-grey);
    padding: 0.25rem;
    border-radius: 6px;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-grey);
    cursor: pointer;
    border-radius: 4px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.tab-btn.active {
    background: var(--navy-blue);
    color: var(--white);
}

.search-form {
    display: none;
}

.search-form.active {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trip-section {
    background: var(--light-grey);
    padding: 1rem;
    border-radius: 6px;
}

.section-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--navy-blue);
    font-size: 0.875rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-input {
    padding: 0.5rem 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-size: 0.9rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--navy-blue);
}

.search-btn {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: var(--navy-blue);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.search-btn:hover {
    background: var(--navy-blue-dark);
}

.multi-city-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.city-pair-wrapper {
    background: var(--white);
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    padding: 1rem;
}

.city-pair-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #e2e8f0;
}

.city-pair-number {
    font-weight: 500;
    color: var(--navy-blue);
    font-size: 0.875rem;
}

.remove-city-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fee2e2;
    border: none;
    color: #dc2626;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}

.add-city-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--navy-blue);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    margin: 0.5rem auto;
    font-size: 0.9rem;
}

.add-city-btn:hover {
    background: var(--navy-blue-dark);
}

/* Quick Stats */
.quick-stats-section {
    padding: 2rem 0;
    background: var(--white);
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

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

.stat-box .stat-number {
    font-size: 2rem;
    font-weight: 600;
    color: var(--navy-blue);
    display: block;
    margin-bottom: 0.25rem;
}

.stat-box .stat-label {
    font-size: 0.9rem;
    color: var(--text-grey);
}

/* Services Section */
.services-section {
    padding: 4rem 0;
    background: var(--light-grey);
}

.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-tag {
    display: inline-block;
    color: var(--navy-blue);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.section-description {
    font-size: 0.95rem;
    color: var(--text-grey);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.service-icon-wrapper {
    margin-bottom: 0.75rem;
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--light-grey);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-emoji {
    font-size: 1.5rem;
}

.service-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.service-description {
    color: var(--text-grey);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.service-link {
    color: var(--navy-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.service-link:hover {
    text-decoration: underline;
}

/* Metrics Section */
.metrics-section {
    padding: 4rem 0;
    background: var(--navy-blue);
}

.metrics-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.metrics-header .section-tag {
    color: rgba(255, 255, 255, 0.8);
}

.metrics-header .section-title {
    color: var(--white);
}

.metrics-header .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.metric-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-grey);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.metric-description {
    color: var(--text-grey);
    font-size: 0.85rem;
}

/* About Section */
.about-preview-section {
    padding: 4rem 0;
    background: var(--white);
}

.about-preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.about-text {
    color: var(--text-grey);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.btn-outline {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: transparent;
    color: var(--navy-blue);
    border: 1px solid var(--navy-blue);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

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

.image-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
}

.image-badge {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: var(--navy-blue);
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
}

.badge-text {
    color: var(--white);
    font-weight: 500;
    font-size: 0.8rem;
}

/* Process Section */
.process-section {
    padding: 4rem 0;
    background: var(--light-grey);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.destination-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.destination-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.destination-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.destination-content {
    padding: 1.25rem;
}

.destination-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.destination-description {
    color: var(--text-grey);
    font-size: 0.85rem;
}

/* Newsletter Section */
.newsletter-section {
    padding: 4rem 0;
    background: var(--navy-blue);
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.newsletter-description {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.newsletter-form {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.newsletter-input {
    flex: 1;
    padding: 0.6rem 0.9rem;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
}

.newsletter-input:focus {
    outline: none;
}

.btn-primary {
    padding: 0.6rem 1.25rem;
    background: var(--white);
    color: var(--navy-blue);
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary:hover {
    background: var(--light-grey);
}

.newsletter-note {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.main-footer {
    background: var(--navy-blue-dark);
    padding: 2.5rem 0 1.25rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.75rem;
}

.footer-logo-img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.footer-logo-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
}

.footer-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.4rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.85rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
}

.footer-contact {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
}

.affiliations {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.affiliations p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    margin-bottom: 0.2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .flight-search-form {
        padding: 1.25rem;
    }

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

    .search-tabs {
        flex-direction: column;
    }

    .about-preview-content {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .nav-menu {
        gap: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .services-grid,
    .metrics-grid,
    .destinations-grid {
        grid-template-columns: 1fr;
    }
}