/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c5aa0;
    --primary-dark: #1e3f73;
    --primary-light: #4a7bc8;
    --accent-color: #00a896;
    --accent-light: #02c39a;
    --accent-dark: #028174;
    --secondary-color: #6c5ce7;
    --secondary-light: #a29bfe;
    --warm-accent: #fd79a8;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --error-color: #dc3545;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-colored: 0 4px 15px rgba(44, 90, 160, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-white);
}

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

/* Navigation */
header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.logo a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo a:hover {
    opacity: 0.8;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.nav-donate {
    background: linear-gradient(135deg, var(--success-color) 0%, #218838 100%);
    color: white !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: 25px;
    font-weight: 600 !important;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
    transition: all 0.3s ease;
}

.nav-donate:hover {
    background: linear-gradient(135deg, #218838 0%, var(--success-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.4);
    color: white !important;
}

.nav-donate.active {
    background: linear-gradient(135deg, #218838 0%, var(--success-color) 100%);
    color: white !important;
}

.nav-donate.active::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: all 0.3s ease;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 50%, var(--accent-color) 100%);
    color: white;
    padding: 5rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-image-placeholder {
    flex-shrink: 0;
    opacity: 0.9;
}

.hero-image-placeholder img {
    max-width: 300px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.hero-content h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-align: left;
}

.hero-content p {
    font-size: 1.25rem;
    opacity: 0.95;
    text-align: left;
}

.story-image-placeholder {
    width: 100%;
    max-width: 400px;
    margin: 0 auto 1.5rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.story-image-placeholder img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.story-card > * {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    opacity: 0.95;
}

/* Page header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 50%, var(--accent-color) 100%);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* Main content */
main {
    min-height: calc(100vh - 200px);
}

.intro {
    padding: 4rem 2rem;
    background: linear-gradient(to bottom, var(--bg-white) 0%, var(--bg-light) 100%);
    position: relative;
}

.intro h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.intro p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    max-width: 800px;
}

/* Study CTA Section */
.study-cta {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #5dade2 0%, #48c9b0 50%, #52c9a4 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.study-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(255,255,255,0.15) 0%, transparent 50%);
}

.cta-text-with-logo {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2rem;
}

.cta-text-content {
    flex: 1;
    min-width: 250px;
}

.cta-text-content p {
    margin-bottom: 1rem;
}

.cta-text-content p:last-child {
    margin-bottom: 0;
}

.cta-logo {
    flex-shrink: 0;
    text-align: right;
    align-self: flex-start;
}

.cta-logo img {
    max-width: 180px;
    height: auto;
    opacity: 0.95;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem;
    border-radius: 8px;
}

.cta-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-content h2,
.cta-text h2 {
    font-size: 2.5rem;
    margin-bottom: 0;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-lead {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1rem;
    line-height: 1.6;
    opacity: 0.95;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    opacity: 0.9;
}

.btn-cta {
    background: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-shadow: none;
}

.btn-cta:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Quick links / Cards */
.quick-links {
    padding: 4rem 2rem;
    background: linear-gradient(to bottom, var(--bg-light) 0%, var(--bg-white) 100%);
    position: relative;
}

.quick-links::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.quick-links h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 3rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 4px solid transparent;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

.card:nth-child(1) {
    border-top-color: var(--primary-color);
}

.card:nth-child(2) {
    border-top-color: var(--accent-color);
}

.card:nth-child(3) {
    border-top-color: var(--secondary-color);
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    filter: grayscale(0.3);
    transition: transform 0.3s ease, filter 0.3s ease;
}

.card:hover .card-icon {
    transform: scale(1.1);
    filter: grayscale(0);
}

.card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Content sections */
.content-section {
    padding: 3rem 2rem;
}

.content-block {
    margin-bottom: 3rem;
}

.content-block.with-image {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: center;
}

.content-image-placeholder {
    width: 100%;
    max-width: 300px;
}

.content-image-placeholder img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

@media (max-width: 768px) {
    .content-block.with-image {
        grid-template-columns: 1fr;
    }
    
    .content-image-placeholder {
        max-width: 100%;
        margin: 0 auto;
    }
}

.content-block h2 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.content-block h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.content-block p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-block ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.content-block ul li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.content-block a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.content-block a:hover {
    border-bottom-color: var(--primary-color);
}

/* Ensure buttons inside content blocks have white text */
.content-block .btn,
.resource-card .btn {
    color: #ffffff !important;
    border-bottom: none;
}

.content-block .btn:hover,
.resource-card .btn:hover {
    border-bottom: none;
}

.disclaimer {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.95rem;
}

/* Study page styles */
.study-intro {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.05) 0%, rgba(0, 168, 150, 0.05) 100%);
    border-radius: 12px;
}

.study-badge {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.badge-text {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
}

.study-lead {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

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

.study-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.study-steps {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.study-step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: var(--shadow);
}

.step-content h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.step-content p {
    color: var(--text-light);
    margin-bottom: 0;
    line-height: 1.7;
}

.contact-info-box {
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.05) 0%, rgba(0, 168, 150, 0.05) 100%);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    margin-top: 1.5rem;
}

.contact-info-box h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    margin-top: 0;
}

.contact-info-box p {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.contact-info-box a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-info-box a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Resource cards */
.resource-card {
    background: linear-gradient(to right, var(--bg-white) 0%, var(--bg-light) 100%);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.resource-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(44, 90, 160, 0.05) 0%, transparent 70%);
    border-radius: 0 12px 0 0;
}

.resource-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-colored);
}

.resource-card h3 {
    margin-top: 0;
}

/* Study card styling - different color scheme */
.study-card {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.08) 0%, rgba(162, 155, 254, 0.08) 100%);
    border-left-color: var(--secondary-color);
}

.study-card::after {
    background: radial-gradient(circle, rgba(108, 92, 231, 0.08) 0%, transparent 70%);
}

.study-card h3 {
    color: var(--secondary-color);
}

.study-card:hover {
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.2);
}

.resource-list {
    margin-top: 1.5rem;
}

.resource-item {
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 4px;
    margin-bottom: 1rem;
}

.resource-note {
    font-style: italic;
    color: var(--text-light);
}

/* Contact form */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 2rem;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-form-container {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
}

.contact-form {
    max-width: 100%;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    display: none;
}

.form-message.show {
    display: block;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Featured story section */
.featured-story {
    padding: 4rem 2rem;
    background: var(--bg-white);
}

.featured-story h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 2rem;
}

.story-card {
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.05) 0%, rgba(0, 168, 150, 0.05) 100%);
    padding: 2.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.story-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(44, 90, 160, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.story-card h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1rem;
    margin-top: 0;
}

.story-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.story-link {
    margin-top: 1.5rem;
    margin-bottom: 0;
}

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

.story-link a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Donation card */
.donation-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    margin-top: 1.5rem;
}

.donation-card h3 {
    margin-top: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(44, 90, 160, 0.3);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.4);
}

.btn:active {
    transform: translateY(0);
}

.btn-submit {
    width: 100%;
    padding: 0.875rem;
    font-size: 1.1rem;
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-external::after {
    content: ' ↗';
    font-size: 0.9em;
}

.btn-donate {
    background: var(--success-color);
    margin-top: 1rem;
}

.btn-donate:hover {
    background: #218838;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    text-align: center;
    padding: 2.5rem 2rem;
    margin-top: 4rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

footer p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

footer a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: white;
    text-decoration: underline;
}

.footer-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 1rem;
        width: 100%;
    }

    .nav-menu a.active::after {
        display: none;
    }

    .nav-donate {
        text-align: center;
        margin: 0.5rem 0;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-content p {
        font-size: 1.1rem;
        text-align: center;
    }

    .hero-image-placeholder {
        margin: 0 auto;
    }

    .hero-image-placeholder img {
        max-width: 200px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

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

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

    .container {
        padding: 0 1.5rem;
    }

    .intro,
    .quick-links,
    .content-section {
        padding: 2rem 1.5rem;
    }

    .hero {
        padding: 3rem 1.5rem;
    }

    .page-header {
        padding: 2rem 1.5rem;
    }

    .study-cta {
        padding: 3rem 1.5rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-text-with-logo {
        flex-direction: column;
        align-items: center;
    }

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

    .cta-logo {
        text-align: center;
        margin-top: 1rem;
    }

    .cta-lead {
        font-size: 1.1rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .study-actions {
        flex-direction: column;
    }

    .study-actions .btn {
        width: 100%;
    }

    .study-step {
        flex-direction: column;
        gap: 1rem;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .study-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .content-block h2 {
        font-size: 1.5rem;
    }
}