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

:root {
    /* Light/White Theme Colors with Pink Accents */
    --primary-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --card-bg: #ffffff;
    --hover-bg: #f1f3f4;
    --text-primary: #1a1a1a;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --pink-accent: #e91e63;
    --pink-hover: #ad1457;
    --pink-light: #f8bbd9;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
    --border-color: #e9ecef;
    --gradient-primary: linear-gradient(135deg, #e91e63, #ad1457);
    --gradient-secondary: linear-gradient(135deg, #ffffff, #f8f9fa);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    color: inherit;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--pink-accent);
}

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

.btn-outline {
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--hover-bg);
    border-color: var(--pink-accent);
    color: var(--pink-accent);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand h2 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1.5rem;
}

.nav-brand i {
    color: var(--pink-accent);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--pink-accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: var(--gradient-secondary);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(233, 30, 99, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(233, 30, 99, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.stat h3 {
    color: var(--pink-accent);
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.stat p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.9rem;
}

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.hero-card i {
    color: var(--pink-accent);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-card h4 {
    margin-bottom: 1.5rem;
}

.hero-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Featured Campaigns */
.featured-campaigns {
    padding: 6rem 0;
    background: var(--primary-bg);
}

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

.section-header.align-left {
    text-align: left;
}

.section-header .eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--pink-accent);
    margin-bottom: 0.5rem;
    display: inline-block;
}

.section-header.align-left p {
    margin-left: 0;
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.campaign-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--pink-accent);
    color: white;
    border-color: var(--pink-accent);
}

.campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.campaign-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.campaign-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.campaign-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.campaign-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.campaign-card:hover .campaign-image img {
    transform: scale(1.05);
}

.campaigns-top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.campaigns-intro h4 {
    margin-bottom: 0.5rem;
}

.campaign-search {
    position: relative;
    flex: 1;
    min-width: 260px;
}

.campaign-search input {
    width: 100%;
    padding: 1rem 3rem 1rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--secondary-bg);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.campaign-search input:focus {
    outline: none;
    border-color: var(--pink-accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

.campaign-search i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.campaign-pulse {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 2.5rem 0;
}

.pulse-card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.pulse-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.pulse-card strong {
    display: block;
    font-size: 1.8rem;
    margin: 0.5rem 0;
    color: var(--text-primary);
}

.pulse-card small {
    color: var(--text-secondary);
}

.campaign-spotlight {
    display: grid;
    grid-template-columns: minmax(280px, 420px) 1fr;
    gap: 2.5rem;
    padding: 2rem;
    border-radius: 24px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    margin-bottom: 2.5rem;
}

.spotlight-media {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    height: 100%;
    min-height: 260px;
}

.spotlight-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.spotlight-pill {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    padding: 0.35rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.spotlight-tags,
.campaign-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--hover-bg);
    color: var(--text-secondary);
}

.tag-urgent {
    background: rgba(233, 30, 99, 0.1);
    color: var(--pink-accent);
}

.tag-featured {
    background: rgba(33, 150, 243, 0.1);
    color: #0d47a1;
}

.tag-verified {
    background: rgba(46, 204, 113, 0.15);
    color: #1c7c4d;
}

.spotlight-meta,
.campaign-highlights {
    list-style: none;
    padding: 0;
    margin: 1rem 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    color: var(--text-secondary);
}

.spotlight-meta li,
.campaign-highlights li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.spotlight-actions,
.campaign-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.category-pills {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.category-pill {
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 30px;
    padding: 0.65rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-pill span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.category-pill.active,
.category-pill:hover {
    background: var(--pink-accent);
    color: #fff;
    border-color: var(--pink-accent);
}

.category-pill.active span,
.category-pill:hover span {
    color: rgba(255, 255, 255, 0.8);
}

.campaign-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.category-chip {
    font-size: 0.85rem;
    color: var(--pink-accent);
    background: rgba(233, 30, 99, 0.1);
    border-radius: 999px;
    padding: 0.25rem 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.organizer-line {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: -0.5rem;
}

.campaign-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.campaign-stat-grid strong {
    display: block;
    font-size: 1rem;
    color: var(--text-primary);
    margin-top: 0.25rem;
}

.campaign-actions .btn {
    flex: 1;
    min-width: 140px;
}
.campaign-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--pink-accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.campaign-content {
    padding: 1.5rem;
}

.campaign-content h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.campaign-content p {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.campaign-progress {
    margin-bottom: 1.5rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.raised {
    color: var(--pink-accent);
    font-weight: 600;
}

.goal {
    color: var(--text-muted);
}

.campaign-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.campaign-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-all-campaigns {
    text-align: center;
}

/* How It Works */
.how-it-works {
    padding: 6rem 0;
    background: var(--secondary-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.step {
    text-align: center;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.step h3 {
    margin-bottom: 1rem;
}

.step p {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-section h3 i {
    color: var(--pink-accent);
}

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

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

.footer-section ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--pink-accent);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--pink-accent);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--card-bg);
    margin: 2% auto;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    color: var(--text-muted);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--pink-accent);
}

.amount-selection h3,
.donor-info h3,
.payment-methods h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.amount-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.amount-btn {
    padding: 1rem;
    background: var(--secondary-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: 600;
}

.amount-btn:hover,
.amount-btn.selected {
    border-color: var(--pink-accent);
    background: var(--pink-accent);
    color: white;
}

#customAmount {
    width: 100%;
    padding: 1rem;
    background: var(--secondary-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 2rem;
}

#customAmount:focus {
    outline: none;
    border-color: var(--pink-accent);
}

.donor-info input {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--secondary-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

.donor-info input:focus {
    outline: none;
    border-color: var(--pink-accent);
}

.payment-options {
    margin-bottom: 2rem;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--secondary-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.payment-option:hover {
    border-color: var(--pink-accent);
}

.payment-option input[type="radio"] {
    accent-color: var(--pink-accent);
}

.payment-option span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .campaigns-grid {
        grid-template-columns: 1fr;
    }
    
    .campaign-spotlight {
        grid-template-columns: 1fr;
    }
    
    .campaign-actions .btn,
    .spotlight-actions .btn {
        width: 100%;
        flex: none;
    }
    
    .campaigns-top {
        flex-direction: column;
        align-items: stretch;
    }
    
    .campaign-search {
        width: 100%;
    }
    
    .campaign-pulse {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .category-pills {
        justify-content: flex-start;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .campaign-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .amount-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .category-pill {
        flex: 1 0 100%;
        justify-content: space-between;
    }
    
    .modal-content {
        margin: 5% auto;
        padding: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--pink-accent);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

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

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

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

.campaign-card {
    animation: fadeInUp 0.6s ease forwards;
}

.campaign-card:nth-child(1) { animation-delay: 0.1s; }
.campaign-card:nth-child(2) { animation-delay: 0.2s; }
.campaign-card:nth-child(3) { animation-delay: 0.3s; }
.campaign-card:nth-child(4) { animation-delay: 0.4s; }
.campaign-card:nth-child(5) { animation-delay: 0.5s; }
.campaign-card:nth-child(6) { animation-delay: 0.6s; }