* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --primary-color: #2C3E50;
    --secondary-color: #E74C3C;
    --accent-color: #3498DB;
    --text-color: #2C3E50;
    --light-bg: #ECF0F1;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #2C3E50, #3498DB);
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--text-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1488521787991-ed7bbaae773c?w=1600&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero-content {
    color: var(--white);
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    z-index: 1000;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.donate-btn {
    background: var(--gradient);
    color: var(--white) !important;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    transition: transform 0.3s ease !important;
}

.donate-btn:hover {
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 30px;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* Sections */
section {
    padding: 5rem 2rem;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-card {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
}

.about-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.about-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Success Stories */
.story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.story {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.story img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.story h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--primary-color);
}

.story p {
    padding: 0 1.5rem 1.5rem;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.gallery-grid img:hover {
    transform: scale(1.05);
}

/* Donation Section */
#donate {
    background: var(--gradient);
    color: var(--white);
    text-align: center;
}

.donation-carousel {
    position: relative;
    overflow: hidden;
    margin-top: 3rem;
    padding: 2rem 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.donation-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    color: var(--text-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.donation-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.donation-slides {
    display: flex;
    transition: transform 0.5s ease;
}

.donation-slide {
    min-width: 100%;
    padding: 1rem;
    transition: all 0.5s ease;
    visibility: visible !important;
    opacity: 1 !important;
    transform: none !important;
}

.amount-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.amount-buttons button {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--accent-color);
    border-radius: 25px;
    background: transparent;
    color: var(--text-color);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.amount-buttons button:hover {
    background: var(--accent-color);
    color: var(--white);
}

.donate-now {
    background: var(--gradient);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s ease;
    margin-top: auto;
}

.donate-now:hover {
    transform: translateY(-2px);
}

.carousel-buttons {
    position: absolute;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 10;
}

.carousel-btn {
    background: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    transform: scale(1.1);
}

.carousel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Contact Section */
#contact {
    background: var(--light-bg);
}

.contact-container {
    max-width: 1200px;
    margin: 3rem auto;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0,0,0,0.1);
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.contact-info {
    padding: 4rem;
    background: var(--gradient);
    color: var(--white);
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-form {
    padding: 4rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light-bg);
    border-radius: 8px;
    transition: border-color 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
    outline: none;
}

.submit-btn {
    background: var(--gradient);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 5rem 2rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-about {
    max-width: 400px;
}

.footer-about h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

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

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: white;
    text-decoration: none;
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

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

/* Payment Modal */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.payment-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    width: 95%;
    max-width: 500px;
    border-radius: 20px;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.payment-modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem;
    background: var(--gradient);
    color: var(--white);
    position: relative;
}

.modal-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.close-modal {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.close-modal:hover {
    transform: translateY(-50%) rotate(90deg);
}

.payment-options {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--light-bg);
    overflow-x: auto;
    scrollbar-width: none;
}

.payment-options::-webkit-scrollbar {
    display: none;
}

.payment-option {
    min-width: 100px;
    padding: 1rem;
    border: 2px solid var(--light-bg);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option.active {
    border-color: var(--accent-color);
    background: rgba(52, 152, 219, 0.1);
}

.payment-option img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.payment-option span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
}

.payment-forms {
    padding: 1.5rem;
}

.payment-form {
    display: none;
}

.payment-form.active {
    display: block;
}

.form-row {
    margin-bottom: 1.5rem;
}

.form-row label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-row input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light-bg);
    border-radius: 8px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-row input:focus {
    border-color: var(--accent-color);
    outline: none;
}

.card-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
}

.submit-payment {
    width: 100%;
    padding: 1rem;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.submit-payment:hover {
    transform: translateY(-2px);
}

.payment-info {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--light-bg);
    font-size: 0.9rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.payment-info i {
    color: var(--accent-color);
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .card-row {
        grid-template-columns: 1fr;
    }
    
    .payment-option {
        min-width: 80px;
        padding: 0.8rem;
    }
    
    .payment-option img {
        width: 30px;
        height: 30px;
    }
}