/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-link:hover {
    color: #3498db;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: url('../images/hero-dam.jpg') no-repeat center center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    min-height: 600px;
}

.hero-content {
    max-width: 500px;
    text-align: left;
    padding: 2rem;
    margin-right: 2rem;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.year {
    display: block;
    font-size: 1.2rem;
    color: #64b5f6;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2c3e50;
}

.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-waves svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
    fill: #f8f9fa;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8f9fa;
    position: relative;
    z-index: 2; /* Higher z-index than hero section */
    transform: none !important; /* Prevent any transform from being applied */
    will-change: auto; /* Don't use GPU acceleration unnecessarily */
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
    border: 2px solid transparent;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: none !important; /* Prevent any transform from being applied */
}

.feature-card:hover {
    /* No transform - just change shadow and border */
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border-color: #3498db;
}

.feature-card .feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-card .feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: #7f8c8d;
    margin-bottom: 2rem;
    line-height: 1.6;
    flex-grow: 1;
}

.feature-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.feature-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* About Section */

.stat {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.stat .number {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: #3498db;
}

/* About Section */
.about {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: #7f8c8d;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.about-feature i {
    font-size: 1.5rem;
    color: #3498db;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.stat-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-card p {
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #3498db;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #2c3e50;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        justify-content: center;
        min-height: 400px;
    }

    .hero-content {
        max-width: 90%;
        text-align: left;
        margin-left: 0;
        margin-right: auto;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    /* Mobile-specific hero text color changes */
    .hero-text h1 {
        color: #2c3e50;
        text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.9);
    }

    .hero-text .year {
        color: #3498db;
        text-shadow: 1px 1px 3px rgba(255, 255, 255, 0.8);
    }

    .hero-description {
        color: #0c141b;
        text-shadow: 1px 1px 3px rgba(255, 255, 255, 0.8);
        font-weight: 600;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}

/* Sign In Button */
.sign-in-btn {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.sign-in-btn:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0);
    backdrop-filter: blur(5px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-container {
    position: relative;
    width: 90%;
    max-width: 450px;
    margin: auto;
    z-index: 10001;
}

.modal-overlay.show .modal-container {
    animation: slideUp 0.3s ease;
}

.modal-content {
    background: rgba(0, 0, 0, 0.85);
    border-radius: 4px;
    padding: 60px 68px 40px 68px;
    position: relative;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.75);
    border: none;
    min-height: 550px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: white; /* Changed from #999 to white for better visibility */
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: white;
}

.modal-title {
    color: white;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 32px;
    text-align: left;
}

.login-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 16px;
}

.form-input {
    width: 100%;
    padding: 16px 20px;
    background: #333;
    border: 1px solid #333;
    border-radius: 6px;
    color: white;
    font-size: 16px;
    transition: all 0.2s ease;
}

.form-input::placeholder {
    color: #8c8c8c;
}

.form-input:focus {
    outline: none;
    border-color: white;
    background: #454545;
}

.signin-btn {
    background: #e50914;
    color: white;
    border: none;
    padding: 16px 24px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    margin: 24px 0 12px 0;
    transition: background-color 0.2s ease;
    width: 100%;
    letter-spacing: 0.025em;
}

.signin-btn:hover {
    background: #f40612;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.remember-me {
    display: flex;
    align-items: center;
    color: #b3b3b3;
    font-size: 13px;
}

.remember-me input {
    margin-right: 8px;
    transform: scale(1.2);
}

.help-text {
    margin: 16px 0;
    text-align: left;
}

.help-text a {
    color: #b3b3b3;
    text-decoration: none;
    font-size: 13px;
}

.help-text a:hover {
    text-decoration: underline;
}

.signup-text {
    color: #737373;
    font-size: 16px;
    margin-top: 16px;
}

.signup-text a {
    color: white;
    text-decoration: none;
}

.signup-text a:hover {
    text-decoration: underline;
}

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

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

/* Body scroll control when modal is open */
body.modal-open {
    overflow: hidden !important;
    position: fixed;
    width: 100%;
}

/* Ensure modal appears above everything */
.modal-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        padding: 48px 32px 40px 32px;
        margin: 20px;
        min-height: auto;
    }
    
    .modal-title {
        font-size: 28px;
        margin-bottom: 24px;
    }
    
    .sign-in-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* Fix for close button in the login modal */
#loginModal .modal-close {
    color: white;
}

/* Fix for Bootstrap close button if it's used instead */
#loginModal .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 1;
}