/* CSS Variables */

:root {
    --primary: #059669;
    --primary-dark: #047857;
    --primary-light: #d1fae5;
    --accent: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --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 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
}


/* Reset & Base */

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

html {
    scroll-behavior: smooth;
}

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


/* Navigation */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo i {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}


/* Hero Section */

.hero {
    margin-top: 80px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.hero-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-content h1 span {
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.hero-content h1 span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(5, 150, 105, 0.2);
    z-index: -1;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg);
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: float 3s ease-in-out infinite;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-dark);
}

.floating-card.card-1 {
    top: 20px;
    right: -20px;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 40px;
    left: -30px;
    animation-delay: 1.5s;
}

.floating-card i {
    font-size: 1.25rem;
    color: var(--primary);
}

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


/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(5, 150, 105, 0.39);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.23);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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


/* Sections */

.section {
    padding: 5rem 2rem;
}

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

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

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}


/* Steps */

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

.step {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: var(--shadow);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    font-size: 0.95rem;
}


/* Donation Section */

.donation-section {
    background: linear-gradient(to bottom, var(--bg-light), var(--white));
    position: relative;
}

.donation-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.info-panel {
    padding-right: 2rem;
}

.info-panel h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.info-panel>p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.guidelines {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.guidelines h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-size: 1.125rem;
}

.guidelines h3 i {
    color: var(--accent);
}

.guideline-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.guideline-item:hover {
    background: var(--primary-light);
    transform: translateX(5px);
}

.guideline-item i {
    color: var(--primary);
    margin-top: 0.25rem;
    font-size: 1.125rem;
}

.guideline-item.negative i {
    color: #ef4444;
}

.guideline-item span {
    font-size: 0.95rem;
    color: var(--text-dark);
}

.info-box {
    background: var(--primary-light);
    border: 2px solid var(--primary);
}

.info-box h3 {
    color: var(--primary);
}

.info-box h3 i {
    color: var(--primary);
}

.benefit-list {
    list-style: none;
    color: var(--text-dark);
}

.benefit-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.benefit-list i {
    color: var(--primary);
    font-size: 0.875rem;
}


/* Form */

.form-container {
    background: var(--white);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

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

.divider {
    margin: 2rem 0;
    border: none;
    border-top: 2px solid #e5e7eb;
}

.medicine-section-title {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.125rem;
}

.medicine-entry {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 2px solid transparent;
    transition: var(--transition);
}

.medicine-entry:hover {
    border-color: var(--primary-light);
}

.medicine-entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.medicine-entry-header h4 {
    font-size: 1rem;
    color: var(--text-dark);
}

.remove-medicine {
    background: #fee2e2;
    color: #ef4444;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 0.875rem;
}

.remove-medicine:hover {
    background: #ef4444;
    color: var(--white);
    transform: scale(1.1);
}

.add-medicine-btn {
    width: 100%;
    padding: 1rem;
    border: 2px dashed var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.add-medicine-btn:hover {
    background: var(--primary-light);
    border-style: solid;
}

.submit-btn {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.1rem;
}

.form-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.form-footer p {
    font-size: 0.875rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.form-footer i {
    color: var(--primary);
}


/* Success Message */

.success-message {
    display: none;
    background: var(--primary-light);
    border: 2px solid var(--primary);
    color: var(--primary-dark);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.success-message.show {
    display: block;
    animation: slideIn 0.5s ease;
}

.success-message i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.success-message h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Impact Section */

.impact-section {
    background: var(--primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.impact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><path d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/></g></g></svg>');
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.impact-item h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.impact-item p {
    font-size: 1.125rem;
    opacity: 0.9;
}


/* Footer */

footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand p {
    color: #9ca3af;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

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

.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;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-links h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #9ca3af;
    font-size: 0.95rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #6b7280;
    font-size: 0.875rem;
}

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


/* Responsive */

@media (max-width: 968px) {
    .hero-container,
    .donation-container {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-image {
        order: -1;
        max-width: 600px;
        margin: 0 auto;
    }
    .floating-card {
        display: none;
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    .info-panel {
        padding-right: 0;
    }
    .form-container {
        position: static;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
        gap: 0;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links li {
        width: 100%;
    }
    .nav-links a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid #e5e7eb;
    }
    .mobile-menu {
        display: block;
    }
    .hero {
        padding: 2rem 1.5rem;
        min-height: auto;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    .stat {
        text-align: center;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    .section {
        padding: 3rem 1.5rem;
    }
    .section-header h2 {
        font-size: 1.75rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .form-container {
        padding: 2rem 1.5rem;
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    .social-links {
        justify-content: center;
    }
    .footer-links h4 {
        margin-bottom: 1rem;
    }
    .footer-links li {
        justify-content: center;
    }
    .impact-item h3 {
        font-size: 2rem;
    }
}


/* Utility Classes */

.hidden {
    display: none !important;
}

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

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}