/* style.css - Ultra Style Redesign for Kolaghat E-Automobile */

:root {
    --bg-dark: #04060d;
    --bg-card: rgba(13, 18, 33, 0.5);
    --bg-card-hover: rgba(22, 31, 56, 0.7);
    --border-color: rgba(255, 255, 255, 0.05);
    --border-hover: rgba(0, 102, 255, 0.4);
    --primary: #0066ff;
    --primary-glow: rgba(0, 102, 255, 0.3);
    --secondary: #00f2fe;
    --secondary-glow: rgba(0, 242, 254, 0.25);
    --accent-red: #ff0055;
    --accent-gold: #ffd700;
    --text-muted: #94a3b8;
    --text-main: #f8fafc;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
}

/* Custom Selection */
::selection {
    background-color: var(--primary);
    color: #ffffff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Typography & Fonts */
body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-main);
}

.heading-bengali {
    font-family: 'Hind Siliguri', sans-serif;
}

/* Background Gradients & Glows */
.bg-glow-container {
    position: relative;
    overflow: hidden;
}

.ambient-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: 0 15px 40px -10px rgba(0, 102, 255, 0.25);
    transform: translateY(-4px);
}

/* Gradients */
.text-gradient-blue {
    background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-red {
    background: linear-gradient(135deg, #ff0055 0%, #ff5588 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-gold {
    background: linear-gradient(135deg, #ffd700 0%, #facc15 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation Blur State */
.nav-scrolled {
    background: rgba(4, 6, 13, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Hero Section */
.hero-overlay {
    background: linear-gradient(to bottom, rgba(4, 6, 13, 0.2) 0%, rgba(4, 6, 13, 0.98) 100%);
}

.hero-bg-img {
    animation: kenburns-hero 24s ease-in-out infinite alternate;
    transform-origin: center;
}

@keyframes kenburns-hero {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(1%, 1%); }
}

.hero-glow {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    top: 40%;
    left: 70%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1;
    animation: pulse-glow 6s infinite alternate ease-in-out;
}

@keyframes pulse-glow {
    0% { transform: translate(-50%, -50%) scale(0.85); opacity: 0.4; }
    100% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.8; }
}

/* Animated Scooter Silhouette in Hero */
.animated-car-bg {
    position: absolute;
    bottom: 8%;
    right: -25%;
    opacity: 0.03;
    font-size: 25vw;
    color: #fff;
    pointer-events: none;
    animation: drive-by 20s linear infinite;
}

@keyframes drive-by {
    0% { transform: translateX(25vw); }
    100% { transform: translateX(-125vw); }
}

/* Brands Grayscale Hover */
.brand-logo {
    filter: grayscale(100%) opacity(40%);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-logo:hover {
    filter: grayscale(0%) opacity(100%);
    transform: scale(1.12);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Gallery Hover */
.gallery-item-overlay {
    background: linear-gradient(to top, rgba(4, 6, 13, 0.95) 0%, rgba(0, 102, 255, 0.3) 100%);
    opacity: 0;
    transition: all 0.4s ease;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item img {
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #0052cc 100%);
    box-shadow: 0 4px 15px var(--primary-glow);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.5);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Floating WhatsApp Button */
.whatsapp-float {
    animation: pulse-whatsapp 2s infinite;
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Leaflet Map Dark Mode Styling */
#map {
    filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

/* Mobile Adjustments */
@media (max-width: 1024px) {
    .whatsapp-float {
        bottom: 5.5rem;
    }
    body {
        padding-bottom: 4rem;
    }
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.pb-safe { padding-bottom: env(safe-area-inset-bottom); }
.pt-safe { padding-top: env(safe-area-inset-top); }

/* Preloader Circular Spinner style */
.preloader-circle-svg {
    transform: rotate(-90deg);
}

.preloader-circle-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 4;
}

.preloader-circle-progress {
    fill: none;
    stroke: var(--primary);
    stroke-width: 4;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 0.1s linear;
}