:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #8b5cf6;
    --accent: #fcd34d;
    --dark: #111827;
    --light: #f9fafb;
    --gray: #6b7280;
    --gray-light: #f3f4f6;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 16px;
    --radius-lg: 24px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 12px 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    font-size: 20px;
    transition: color 0.3s;
}

.navbar.scrolled .logo {
    color: var(--dark);
}

.logo i {
    font-size: 24px;
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s;
}

.navbar.scrolled .nav-links a {
    color: var(--gray);
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-donate {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
}

.btn-donate:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-donate i {
    font-size: 14px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--white);
    cursor: pointer;
}

.navbar.scrolled .mobile-toggle {
    color: var(--dark);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .btn-donate {
        display: none;
    }
    .mobile-toggle {
        display: block;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

/* Slideshow Container */
.hero-slideshow {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide .hero-bg {
    position: absolute;
    inset: 0;
}

.hero-slide .hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: zoomIn 10s ease-in-out infinite alternate;
}

@keyframes zoomIn {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-slide .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(17, 24, 39, 0.92) 0%, rgba(17, 24, 39, 0.5) 100%);
}

/* Slide Navigation Dots */
.slide-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.slide-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.slide-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.slide-dot.active {
    background: var(--primary);
    width: 36px;
    border-radius: 6px;
}

/* Slide Arrows */
.slide-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.slide-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-50%) scale(1.1);
}

.slide-prev {
    left: 24px;
}

.slide-next {
    right: 24px;
}

/* Hero Text Slides */
.hero-text {
    position: absolute;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-30px);
    transition: all 0.6s ease;
    max-width: 600px;
    z-index: 15;
}

.hero-text.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.hero-text .hero-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid rgba(37, 99, 235, 0.3);
    margin-bottom: 24px;
}

.hero-text h1 {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-text h1 span {
    color: var(--primary);
}

.hero-text p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(17, 24, 39, 0.95) 0%, rgba(17, 24, 39, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid rgba(37, 99, 235, 0.3);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.hero-image {
    position: relative;
    z-index: 10;
}

.hero-image img {
    width: 100%;
    border-radius: 32px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.floating-card {
    position: absolute;
    bottom: -24px;
    left: -40px;
    background: var(--white);
    padding: 24px;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    max-width: 260px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating-icon {
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.floating-icon i {
    font-size: 24px;
    color: var(--primary);
}

.floating-content strong {
    display: block;
    color: var(--dark);
    margin-bottom: 4px;
}

.floating-content p {
    font-size: 14px;
    color: var(--gray);
    margin: 0;
}

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-image {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    .hero p {
        font-size: 16px;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Mission Section */
.mission {
    padding: 120px 0;
    background: var(--gray-light);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 12px;
    margin-bottom: 12px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}

.value-card {
    background: var(--white);
    padding: 40px;
    border-radius: 32px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
}

.value-icon.blue { background: #dbeafe; color: #2563eb; }
.value-icon.purple { background: #f3e8ff; color: #8b5cf6; }
.value-icon.amber { background: #fef3c7; color: #d97706; }

.value-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.value-card p {
    color: var(--gray);
    line-height: 1.7;
}

.featured-section {
    background: var(--white);
    border-radius: 48px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.featured-image {
    position: relative;
    min-height: 400px;
}

.featured-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-content {
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.featured-badge i {
    color: var(--primary);
    font-size: 24px;
}

.featured-badge span {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 12px;
}

.featured-content h3 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 24px;
}

.featured-content p {
    color: var(--gray);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
}

.link-arrow:hover {
    gap: 12px;
}

.link-arrow i {
    transition: transform 0.3s;
}

.link-arrow:hover i {
    transform: rotate(45deg);
}

@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: 1fr;
    }
    .featured-section {
        grid-template-columns: 1fr;
    }
    .featured-image {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 32px;
    }
    .featured-content {
        padding: 32px;
    }
    .featured-content h3 {
        font-size: 28px;
    }
}

/* Programs Section */
.programs {
    padding: 120px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    text-align: left;
    margin-bottom: 64px;
}

.section-title {
    max-width: 600px;
}

.btn-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 4px;
    transition: color 0.3s;
}

.btn-link:hover {
    color: var(--primary);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.program-card {
    position: relative;
    height: 500px;
    border-radius: 40px;
    overflow: hidden;
    cursor: pointer;
}

.program-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.program-card:hover img {
    transform: scale(1.1);
}

.program-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17, 24, 39, 0.9) 0%, rgba(17, 24, 39, 0.2) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
    transition: all 0.3s;
}

.program-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    margin-bottom: 20px;
    transition: transform 0.3s;
}

.program-card:hover .program-icon {
    transform: scale(1.1);
}

.program-card h3 {
    font-size: 22px;
    color: var(--white);
    font-weight: 700;
    margin-bottom: 8px;
}

.program-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
    opacity: 0;
    transition: opacity 0.3s;
}

.program-card:hover p {
    opacity: 1;
}

.program-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s;
}

.program-card:hover .program-link {
    opacity: 1;
    transform: translateX(0);
}

.program-link i {
    transition: transform 0.3s;
}

.program-link:hover i {
    transform: translateX(4px);
}

@media (max-width: 1024px) {
    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .programs-grid {
        grid-template-columns: 1fr;
    }
    .program-card {
        height: 400px;
    }
}

/* Impact Section */
.impact {
    padding: 120px 0;
    background: var(--dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.impact-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: var(--primary);
    opacity: 0.2;
    border-radius: 50%;
    filter: blur(100px);
    transform: translate(50%, -50%);
}

.impact .container {
    position: relative;
    z-index: 10;
}

.impact .section-header h2,
.impact .section-header p {
    color: var(--white);
}

.impact .section-header p {
    color: rgba(255, 255, 255, 0.6);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}

.stat-card {
    text-align: center;
}

.stat-card .stat-icon {
    width: 96px;
    height: 96px;
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 40px;
}

.stat-card .stat-icon.blue { background: rgba(37, 99, 235, 0.2); color: #3b82f6; }
.stat-card .stat-icon.green { background: rgba(16, 185, 129, 0.2); color: #10b981; }
.stat-card .stat-icon.purple { background: rgba(139, 92, 246, 0.2); color: #8b5cf6; }
.stat-card .stat-icon.pink { background: rgba(236, 72, 153, 0.2); color: #ec4899; }

.stat-card .stat-value {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-card .stat-label {
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
    font-weight: 500;
}

.impact-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.story-image {
    position: relative;
    border-radius: 48px;
    overflow: hidden;
}

.story-image img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.story-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    background: linear-gradient(to top, rgba(17, 24, 39, 0.9), transparent);
}

.story-overlay h4 {
    font-size: 24px;
    margin-bottom: 8px;
}

.story-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.story-content h3 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
}

.story-content h3 span {
    color: var(--primary);
}

.story-content p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 32px;
}

.story-buttons {
    display: flex;
    gap: 16px;
}

.btn-white {
    background: var(--white);
    color: var(--dark);
}

.btn-white:hover {
    background: var(--gray-light);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .impact-story {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .story-buttons {
        flex-direction: column;
    }
    .story-content h3 {
        font-size: 28px;
    }
}

/* Donation Section */
.donation {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.donation-bg {
    position: absolute;
    inset: 0;
    background: var(--primary);
    border-radius: 64px;
    margin: 24px;
}

.donation-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.circle-1 {
    width: 256px;
    height: 256px;
    top: 0;
    right: 0;
    transform: translate(50%, -50%);
}

.circle-2 {
    width: 256px;
    height: 256px;
    bottom: 0;
    left: 0;
    transform: translate(-50%, 50%);
}

.donation-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.donation-text h2 {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.2;
}

.donation-text h2 span {
    color: var(--accent);
}

.donation-text > p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 32px;
}

.donation-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.option-btn {
    display: flex;
    align-items: center;
    gap: 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 24px;
    border-radius: 32px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
}

.option-btn:hover,
.option-btn.active {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--white);
}

.option-amount {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent);
    min-width: 80px;
}

.option-label {
    flex: 1;
    color: var(--white);
    font-weight: 500;
}

.option-btn i {
    color: rgba(255, 255, 255, 0.4);
    transition: all 0.3s;
}

.option-btn:hover i,
.option-btn.active i {
    color: var(--white);
    transform: translateX(4px);
}

.donation-form {
    background: var(--white);
    border-radius: 48px;
    padding: 48px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.donation-form h3 {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--gray-light);
    border-radius: 16px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.amount-input {
    position: relative;
}

.amount-input .currency {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 700;
    color: var(--gray);
}

.amount-input input {
    padding-left: 48px;
    font-size: 24px;
    font-weight: 700;
}

.btn-block {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
}

.form-note {
    text-align: center;
    font-size: 12px;
    color: var(--gray);
    margin-top: 16px;
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .donation-content {
        grid-template-columns: 1fr;
    }
    .donation-bg {
        border-radius: 32px;
        margin: 16px;
    }
}

@media (max-width: 768px) {
    .donation-text h2 {
        font-size: 32px;
    }
    .donation-form {
        padding: 32px;
        border-radius: 32px;
    }
    .option-btn {
        padding: 16px;
    }
    .option-amount {
        font-size: 24px;
    }
}

/* Footer */
.footer {
    background: var(--gray-light);
    padding: 96px 0 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
}

.footer-logo i {
    color: var(--primary);
    font-size: 28px;
}

.footer-about p {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.social-link:hover {
    color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.footer-links h4,
.footer-contact h4,
.footer-newsletter h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--gray);
}

.footer-contact li i {
    color: var(--primary);
    margin-top: 4px;
}

.footer-newsletter p {
    color: var(--gray);
    margin-bottom: 16px;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.newsletter-form input {
    padding: 16px 20px;
    border: 1px solid var(--gray-light);
    border-radius: 16px;
    font-size: 14px;
}

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

.newsletter-form button {
    padding: 16px 24px;
    background: var(--dark);
    color: var(--white);
    border: none;
    border-radius: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s;
}

.newsletter-form button:hover {
    background: #000;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 48px;
    border-top: 1px solid #e5e7eb;
}

.footer-bottom p {
    color: var(--gray);
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-legal a:hover {
    color: var(--primary);
}

.footer-made {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    font-size: 14px;
}

.footer-made i {
    color: #ef4444;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: scale(1.1);
}