/* Main Background and General Styles */
body {
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Hero Section Styles */
.hero-section {
    background: linear-gradient(135deg, rgba(15, 32, 39, 0.9), rgba(32, 58, 67, 0.9), rgba(44, 83, 100, 0.9));
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1483401757487-2ced3fa77952?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
    opacity: 0.1;
    z-index: -1;
}

.hero-content {
    max-width: 80%;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.5s;
    padding: 1rem;
}

.hero-title {
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-text {
    color: rgba(255, 255, 255, 0.8);
}

.hero-image {
    max-width: 400px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.8s;
    width: 100%;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

/* Login Section Styles */
.login-section {
    background: linear-gradient(135deg, #0a1a20, #162a33, #1c3a44);
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-form-container {
    width: 100%;
    max-width: 450px;
    padding: 2rem;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 1s ease forwards 0.5s;
}

.login-form-header {
    opacity: 0;
    transform: translateY(-20px);
    animation: fadeInDown 1s ease forwards 0.7s;
}

.form-floating input {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    transition: all 0.3s ease;
}

.form-floating input:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #4e9af1;
    box-shadow: 0 0 0 0.25rem rgba(78, 154, 241, 0.25);
}

.form-floating label {
    color: rgba(255, 255, 255, 0.7);
}

.form-floating input:focus ~ label,
.form-floating input:not(:placeholder-shown) ~ label {
    color: rgba(255, 255, 255, 0.9);
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

.form-check-input {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-check-input:checked {
    background-color: #4e9af1;
    border-color: #4e9af1;
}

.btn-primary {
    background: linear-gradient(to right, #4e9af1, #2a6fc7);
    border: none;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 1s;
}

.btn-primary:hover {
    background: linear-gradient(to right, #2a6fc7, #1a5daf);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(42, 111, 199, 0.4);
}

.social-login {
    opacity: 0;
    animation: fadeIn 1s ease forwards 1.2s;
}

.social-login .btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-login .btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    text-decoration: underline;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes float {
    0% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-20px) translateX(10px);
    }
    50% {
        transform: translateY(-40px) translateX(0);
    }
    75% {
        transform: translateY(-20px) translateX(-10px);
    }
    100% {
        transform: translateY(0) translateX(0);
    }
}

.input-focused {
    transform: scale(1.02);
}

/* Responsive Adjustments */
/* Extra Small Devices (phones, less than 576px) */
@media (max-width: 575.98px) {
    .container-fluid {
        padding: 0;
    }
    
    .row {
        flex-direction: column;
        margin: 0;
    }
    
    .hero-section, .login-section {
        min-height: auto;
        padding: 3rem 1rem;
    }
    
    .hero-section {
        order: 2;
        padding-bottom: 4rem;
    }
    
    .login-section {
        order: 1;
        padding-top: 4rem;
    }
    
    .hero-content {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
    
    .hero-image {
        max-width: 250px;
    }
    
    .login-form-container {
        padding: 1.5rem;
        max-width: 100%;
        margin: 0 1rem;
    }
    
    .login-form-header h2 {
        font-size: 1.5rem;
    }
    
    .social-login .btn {
        width: 35px;
        height: 35px;
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .row {
        flex-direction: column;
    }
    
    .hero-section, .login-section {
        min-height: auto;
        padding: 4rem 2rem;
    }
    
    .hero-section {
        order: 2;
    }
    
    .login-section {
        order: 1;
    }
    
    .hero-content {
        max-width: 90%;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .login-form-container {
        max-width: 90%;
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .hero-content {
        max-width: 90%;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-image {
        max-width: 300px;
    }
    
    .login-form-container {
        padding: 1.5rem;
        max-width: 90%;
    }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .hero-content {
        max-width: 85%;
    }
    
    .hero-image {
        max-width: 350px;
    }
    
    .login-form-container {
        max-width: 400px;
    }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .hero-content {
        max-width: 80%;
    }
    
    .hero-image {
        max-width: 400px;
    }
    
    .login-form-container {
        max-width: 450px;
    }
}

/* For very large screens */
@media (min-width: 1400px) {
    .hero-content {
        max-width: 70%;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-text {
        font-size: 1.5rem;
    }
    
    .login-form-container {
        max-width: 500px;
        padding: 2.5rem;
    }
}