/* Custom CSS for Saraswathi Transports */

:root {
    --green-primary: #2ecc71;
    --green-secondary: #27ae60;
    --green-dark: #145A32;
    --gray-900: #1a1a1a;
    --gray-800: #2d2d2d;
    --gray-700: #3d3d3d;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;  
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--gray-900);
    color: #ffffff;
    line-height: 1.6;
}

/* Typography */
.text-gradient {
    background: linear-gradient(135deg, #2ecc71, #27ae60, #145A32);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.text-green {
    color: var(--green-primary) !important;
}

.bg-green {
    background-color: var(--green-primary) !important;
}

.btn-green {
    background-color: var(--green-primary);
    border-color: var(--green-primary);
}

.btn-green:hover {
    background-color: var(--green-secondary);
    border-color: var(--green-secondary);
}

/* Glass Effects */
.glassmorphism {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-green {
    background: rgba(46, 204, 113, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(46, 204, 113, 0.3);
    box-shadow: 0 8px 32px rgba(46, 204, 113, 0.1);
}

/* 3D Effects */
.btn-3d {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    box-shadow: 0 8px 15px rgba(46, 204, 113, 0.3);
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-3d:hover::before {
    left: 100%;
}

.btn-3d:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(46, 204, 113, 0.4);
    background: linear-gradient(135deg, #27ae60, #2ecc71);
}

.card-3d {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.card-3d:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(46, 204, 113, 0.2);
    border-color: rgba(46, 204, 113, 0.3);
}

/* Navigation */
.navbar-blur {
    backdrop-filter: blur(20px);
    background: rgba(26, 26, 26, 0.9) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-nav .nav-link {
    color: #e0e0e0 !important;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--green-primary) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--green-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    background-image: url('https://images.unsplash.com/photo-1494412651409-8963ce7935a7?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=2070&h=1380');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.2;
}

.hero-overlay {
    background: linear-gradient(135deg, var(--gray-900) 0%, rgba(26, 26, 26, 0.8) 50%, var(--gray-900) 100%);
}

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.floating-icon {
    z-index: 2;
}

/* Background Sections */
.bg-gradient-section {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
}

/* Service Cards */
.service-card:hover .service-icon {
    transform: rotate(12deg) scale(1.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--green-primary), var(--green-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.3);
}

/* Project Images */
.project-img {
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card-3d:hover .project-img {
    transform: scale(1.1);
}

/* Form Styles */
.form-control-custom {
    background-color: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: 12px;
    color: #ffffff;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.form-control-custom:focus {
    background-color: var(--gray-800);
    border-color: var(--green-primary);
    box-shadow: 0 0 0 0.2rem rgba(46, 204, 113, 0.25);
    color: #ffffff;
}

.form-control-custom::placeholder {
    color: #aaa;
}

/* Footer */
.hover-green:hover {
    color: var(--green-primary) !important;
    transition: color 0.3s ease;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .display-1 {
        font-size: 3rem;
    }
    
    .lead {
        font-size: 1.5rem;
    }
    
    .floating-icon {
        display: none;
    }
    
    .hero-bg {
        background-attachment: scroll;
    }
}

@media (max-width: 576px) {
    .display-1 {
        font-size: 2.5rem;
    }
    
    .glassmorphism {
        padding: 2rem !important;
    }
}

/* Scroll Animations */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* Alert Styles */
.alert-custom {
    border-radius: 12px;
    border: none;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.alert-success-custom {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(39, 174, 96, 0.1));
    color: var(--green-primary);
    border: 1px solid rgba(46, 204, 113, 0.3);
}

.alert-danger-custom {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(192, 57, 43, 0.1));
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-800);
}

::-webkit-scrollbar-thumb {
    background: var(--green-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--green-secondary);
}

/* Text Shadows for Better Readability */
.text-white, .text-light {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.text-gradient {
    text-shadow: 0 4px 8px rgba(46, 204, 113, 0.3);
}

/* Button Focus States */
.btn-3d:focus {
    box-shadow: 0 0 0 0.2rem rgba(46, 204, 113, 0.5);
}

/* Card Hover Effects */
.card-3d {
    cursor: pointer;
}

/* Navigation Active State */
.navbar-nav .nav-link.active {
    color: var(--green-primary) !important;
}

.navbar-nav .nav-link.active::after {
    width: 100%;
}