/* --- CSS VARIABLES & RESET --- */
:root {
    --primary: #121d24; /* Updated to Dark Primary */
    --secondary: #FFC107;
    --accent: #00A859;
    --dark: #1F2937;
    --gray: #94a3b8; /* Lighter gray for dark mode text */
    --light: #334155; /* Darker 'light' for borders */
    --white: #ffffff;
    
    --font-sans: 'Open Sans', sans-serif;
    --font-heading: 'Montserrat', sans-serif;

    /* Dark Theme Background */
    --bg-color: #050505;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--white); /* Default text white */
    background-color: var(--bg-color); /* Dark Background */
    overflow-x: hidden;
    line-height: 1.6;
}

a { text-decoration: none; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Gradient Text Helper */
.gradient-text {
    background: linear-gradient(to right, #8b5cf6, #ec4899, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- ANIMATED BLOBS --- */
.blob {
    position: absolute; border-radius: 50%; filter: blur(80px);
    z-index: -1; opacity: 0.5; animation: float 6s ease-in-out infinite;
    pointer-events: none;
}
.bg-purple { width: 400px; height: 400px; background: #8b5cf6; top: 0; left: 0; }
.bg-pink { width: 400px; height: 400px; background: #ec4899; bottom: 0; right: 0; animation-delay: 2s; }
.bg-cyan { width: 300px; height: 300px; background: #06b6d4; top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* --- NAVBAR (UNCHANGED STYLES) --- */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 1rem 0; background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px); box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}
.navbar.navbar-transparent { background-color: transparent; box-shadow: none; padding: 1.5rem 0; }
.navbar-content { display: flex; justify-content: space-between; align-items: center; }
.logo-image { height: 3rem; width: auto; object-fit: contain; }

/* Navbar Colors Logic */
.navbar .nav-item { color: var(--dark); } /* Scrolled state: dark text */
.navbar .mobile-menu-btn { color: var(--dark); }
/* Transparent State Colors */
.navbar.navbar-transparent .nav-item { color: var(--white); }
.navbar.navbar-transparent .mobile-menu-btn { color: var(--white); }
.navbar.navbar-hidden { transform: translateY(-100%); }

.nav-links { display: none; }
.nav-item {
    font-weight: 600; font-size: 0.875rem; text-transform: uppercase;
    letter-spacing: 0.05em; margin-left: 2rem; transition: all 0.3s ease;
    position: relative; padding-bottom: 0.25rem;
}
.nav-item::after {
    content: ''; position: absolute; width: 0; height: 2px; bottom: 0; left: 0;
    background-color: var(--secondary); transition: width 0.3s ease;
}
.nav-item:hover { color: var(--secondary) !important; transform: translateY(-2px); }
.nav-item:hover::after { width: 100%; }

.nav-btn {
    background-color: var(--secondary); color: var(--dark) !important;
    padding: 0.5rem 1.25rem; border-radius: 9999px; font-weight: 600;
    font-size: 0.875rem; text-transform: uppercase; margin-left: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); transition: all 0.3s ease;
}
.nav-btn:hover {
    background-color: #fcd34d; transform: translateY(-2px) scale(1.05);
    box-shadow: 0 10px 20px -5px rgba(255, 193, 7, 0.5);
}
.mobile-menu-btn { font-size: 1.5rem; background: none; border: none; cursor: pointer; z-index: 1001; }

@media (min-width: 992px) {
    .nav-links { display: flex; align-items: center; }
    .mobile-menu-btn { display: none; }
}

/* --- MOBILE MENU (UNCHANGED) --- */
.mobile-nav-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 1040; opacity: 0;
    pointer-events: none; transition: opacity 0.3s ease;
}
.mobile-nav-overlay.open { opacity: 1; pointer-events: all; }
.mobile-nav-container {
    position: fixed; top: 0; right: 0; bottom: 0; width: 75%; max-width: 300px;
    background: white; z-index: 1050; box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    transform: translateX(100%); transition: transform 0.3s ease-in-out;
    display: flex; flex-direction: column; padding: 2rem;
}
.mobile-nav-container.open { transform: translateX(0); }
.mobile-nav-header { display: flex; justify-content: flex-end; margin-bottom: 2rem; }
.close-menu-btn { background: none; border: none; font-size: 1.5rem; color: var(--dark); cursor: pointer; }
.mobile-nav-container .nav-item { color: var(--dark) !important; margin: 0 0 1.5rem 0; display: block; font-size: 1rem; }
.mobile-nav-container .nav-item::after { display: none; }
.mobile-nav-container .nav-btn { margin: 0; display: inline-block; align-self: flex-start; text-align: center; }

/* --- PAGE HEADER (THEMED) --- */
.page-header {
    /* Removed blue gradient, made transparent for blobs */
    background: transparent; 
    padding: 10rem 0 5rem 0;
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: visible; /* Allow blobs to show */
}

/* Removed the dot overlay pattern for cleaner dark look */
.page-header::before { display: none; }

.page-title {
    font-family: var(--font-heading);
    font-size: 3.5rem; /* Larger for impact */
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.page-subtitle {
    font-size: 1.2rem;
    color: #cbd5e1; /* Light gray */
    max-width: 40rem;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* --- TRANSPORT SECTION (THEMED) --- */
.section-transport {
    padding: 5rem 0;
    background-color: transparent; /* Transparent to show dark body */
}

.section-heading { text-align: center; margin-bottom: 4rem; }
.section-heading h2 {
    font-family: var(--font-heading); font-size: 2.25rem;
    font-weight: 700; margin-bottom: 1rem; color: var(--white); /* White Text */
}
.divider { width: 4rem; height: 4px; background: var(--secondary); margin: 0 auto; border-radius: 2px; }

.transport-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media(min-width: 992px) { .transport-grid { grid-template-columns: repeat(3, 1fr); } }

/* Dark Glass Cards */
.transport-card {
    background: rgba(255, 255, 255, 0.03); /* Dark transparent */
    border-radius: 1rem; padding: 2.5rem 2rem; text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative; overflow: hidden;
}
.transport-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.5); border-color: var(--secondary); }
.transport-card::top { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 6px; background: var(--secondary); }

.t-icon {
    width: 80px; height: 80px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.5rem; font-size: 2rem; transition: transform 0.3s;
}
.transport-card:hover .t-icon { transform: scale(1.1) rotate(5deg); }

/* Updated Icon Colors for Dark Mode */
.icon-train { background: #1e293b; color: #38bdf8; border: 1px solid #38bdf8; }
.icon-plane { background: #1e293b; color: #818cf8; border: 1px solid #818cf8; }
.icon-bus { background: #1e293b; color: #fbbf24; border: 1px solid #fbbf24; }

.t-title {
    font-family: var(--font-heading); font-size: 1.5rem;
    font-weight: 700; margin-bottom: 1.5rem; color: var(--white);
}

.t-list { text-align: left; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; }
.t-item { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; font-size: 0.95rem; }
.t-item:last-child { margin-bottom: 0; }
.t-label { font-weight: 600; color: #cbd5e1; /* Light Gray */ }
.t-dist {
    background: rgba(255,255,255,0.1); padding: 0.25rem 0.75rem;
    border-radius: 20px; font-size: 0.85rem; font-weight: 700; color: var(--secondary);
}

/* --- MAP SECTION --- */
.section-map { padding: 0 0 5rem 0; }
.map-wrapper {
    width: 100%; height: 450px; border-radius: 1rem; overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5); position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.map-overlay {
    position: absolute; top: 20px; left: 20px;
    background: #1a1a1a; /* Dark Map Card */
    padding: 1.5rem; border-radius: 0.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    max-width: 300px; z-index: 10; display: none;
    border: 1px solid rgba(255,255,255,0.1);
}
@media(min-width: 768px) { .map-overlay { display: block; } }

.map-overlay h4 { font-family: var(--font-heading); color: var(--secondary); margin-bottom: 0.5rem; }
.map-overlay p { font-size: 0.9rem; color: #cbd5e1; margin-bottom: 1rem; }

.btn-map {
    display: inline-block; background: var(--secondary); color: #000;
    padding: 0.5rem 1rem; border-radius: 4px; font-weight: 600; font-size: 0.85rem;
}

/* --- FOOTER (UNCHANGED) --- */
.footer { background-color: #000; color: var(--white); padding: 3rem 0; border-top: 1px solid #333; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-brand h2 { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.footer-brand p { color: #9ca3af; max-width: 20rem; font-size: 0.875rem; margin-bottom: 0.5rem; }
.footer-links h3, .footer-social h3 { font-weight: 700; font-size: 1.125rem; margin-bottom: 1rem; }
.footer-links ul li { margin-bottom: 0.5rem; }
.footer-links a { color: #9ca3af; transition: color 0.2s; }
.footer-links a:hover { color: var(--secondary); }
.social-icons { display: flex; gap: 1rem; }
.social-icons a {
    width: 2.5rem; height: 2.5rem; background-color: #374151; border-radius: 50%;
    display: flex; justify-content: center; align-items: center; color: var(--white);
    transition: background-color 0.3s;
}
.social-icons a:hover { background-color: var(--secondary); color: #000; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid #333; color: #6b7280; font-size: 0.875rem; }

/* --- ANIMATIONS --- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.2s; }
.reveal-delay-2 { transition-delay: 0.4s; }
.reveal-delay-3 { transition-delay: 0.6s; }

/* --- MOBILE FIXES (Blobs) --- */
@media (max-width: 768px) {
    .blob { opacity: 0.4; filter: blur(50px); }
    .bg-purple { width: 200px; height: 200px; }
    .bg-pink { width: 200px; height: 200px; }
    .bg-cyan { width: 150px; height: 150px; }
    
    .page-title { font-size: 2.5rem; }
}