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

body {
    font-family: 'San Francisco', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #1a1a2e;
    background: #fff;
    line-height: 1.6;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.08);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: #555;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover { color: #4a9fd4; }

/* Hero */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f2044 0%, #1a3a6e 50%, #2a5298 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 24px 60px;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 3.8rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -1px;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    max-width: 560px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

/* Download Buttons */
.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

.store-btn img {
    height: 54px;
    width: auto;
    display: block;
    transition: opacity 0.2s, transform 0.2s;
}

.store-btn:hover img {
    opacity: 0.85;
    transform: translateY(-2px);
}

/* Sections */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: #1a1a2e;
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 1.1rem;
    color: #555;
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
    line-height: 1.8;
}

/* Features */
.features {
    padding: 96px 0;
    background: #f8fafc;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.feature-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px 28px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.10);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

/* Audience */
.audience {
    padding: 96px 0;
    background: #fff;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 48px;
}

.audience-item {
    background: #f0f6ff;
    border-radius: 12px;
    padding: 20px 24px;
    font-size: 1rem;
    color: #1a1a2e;
    font-weight: 500;
    border-left: 4px solid #4a9fd4;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, #0f2044 0%, #2a5298 100%);
    padding: 96px 0;
    text-align: center;
}

.cta h2 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.cta p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: #0f1a2e;
    padding: 40px 24px;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-logo {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    opacity: 0.9;
}

.footer-nav {
    display: flex;
    gap: 24px;
}

.footer-nav a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-nav a:hover { color: #fff; }

.footer-copy {
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
    width: 100%;
    text-align: center;
    margin-top: 8px;
}

/* Active nav link */
.nav-active {
    color: #4a9fd4 !important;
    font-weight: 700;
}

/* Page Header (inner pages) */
.page-header {
    background: linear-gradient(135deg, #0f2044 0%, #2a5298 100%);
    padding: 140px 24px 72px;
    text-align: center;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
    margin-bottom: 14px;
}

.page-header p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.75);
}

/* Trips */
.trips-section {
    padding: 80px 0;
    background: #f8fafc;
}

.trips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.trip-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 28px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.trip-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.10);
}

.trip-location {
    font-size: 0.85rem;
    font-weight: 600;
    color: #4a9fd4;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.trip-card h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.3;
}

.trip-card p {
    font-size: 0.93rem;
    color: #666;
    line-height: 1.7;
    flex: 1;
}

.trip-cta {
    font-size: 0.9rem;
    font-weight: 600;
    color: #4a9fd4;
    margin-top: 4px;
}

/* Contact */
.contact-section {
    padding: 80px 0;
    background: #f8fafc;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 760px;
    margin: 0 auto;
}

.contact-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.contact-icon {
    font-size: 2.2rem;
}

.contact-card h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
}

.contact-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

.contact-link {
    font-size: 1rem;
    font-weight: 600;
    color: #4a9fd4;
    text-decoration: none;
    transition: color 0.2s;
}

.contact-link:hover { color: #2a7fb8; }

/* Legal pages (Privacy Policy, Terms of Service) */
.legal-section {
    padding: 80px 0;
    background: #fff;
}

.legal-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 24px;
}

.legal-content h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-top: 40px;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.legal-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-top: 24px;
    margin-bottom: 8px;
}

.legal-content p {
    font-size: 0.97rem;
    color: #444;
    line-height: 1.8;
    margin-bottom: 12px;
}

.legal-content ul {
    margin: 8px 0 16px 24px;
    list-style: disc;
}

.legal-content li {
    font-size: 0.97rem;
    color: #444;
    line-height: 1.8;
    margin-bottom: 4px;
}

.legal-content small {
    font-size: 0.85rem;
    color: #888;
}

/* Responsive */
@media (max-width: 600px) {
    .nav-container { padding: 0 12px; gap: 8px; }
    .logo-text { display: none; }
    .nav-links { gap: 10px; }
    .nav-links a { font-size: 0.8rem; }
    .footer-container { justify-content: center; text-align: center; }
    .footer-nav { justify-content: center; }
}