/* style.css - Asclepios AI Landing Page */

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2A4759;
    background: #EEEEEE;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: #2A4759;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #F79B72;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: #2A4759;
    margin-bottom: 3rem;
    opacity: 0.8;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #F79B72;
    color: white;
    box-shadow: 0 4px 12px rgba(247, 155, 114, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(247, 155, 114, 0.3);
}

.btn-secondary {
    background: white;
    color: #2A4759;
    border: 2px solid #DDDDDD;
}

.btn-secondary:hover {
    background: #F79B72;
    color: white;
    border-color: #F79B72;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(42, 71, 89, 0.1);
    border-bottom: 1px solid #DDDDDD;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2A4759;
    text-decoration: none;
}

.logo i {
    color: #F79B72;
    font-size: 2rem;
}

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

.nav-links a {
    text-decoration: none;
    color: #2A4759;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #F79B72;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #F79B72;
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: #2A4759;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #2A4759;
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

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

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

.stat {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #DDDDDD;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(42, 71, 89, 0.1);
    border-color: #F79B72;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #F79B72;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #2A4759;
    opacity: 0.8;
}

/* Hero Visual */
.visual-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid #DDDDDD;
    box-shadow: 0 10px 30px rgba(42, 71, 89, 0.08);
    max-width: 600px;
    margin: 0 auto;
}

.visual-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.5rem;
    color: #2A4759;
    padding-bottom: 1rem;
    border-bottom: 2px solid #EEEEEE;
}

.visual-header i {
    color: #F79B72;
    font-size: 1.5rem;
}

.prediction-metric {
    margin-bottom: 1.5rem;
}

.metric-label {
    font-size: 0.9rem;
    color: #2A4759;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #2A4759;
}

.metric-value.high {
    color: #F79B72;
}

.metric-bar {
    height: 8px;
    background: #EEEEEE;
    border-radius: 4px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    background: #F79B72;
    border-radius: 4px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #EEEEEE;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #DDDDDD;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(42, 71, 89, 0.1);
    border-color: #F79B72;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: #2A4759;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2A4759;
}

.feature-description {
    color: #2A4759;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    opacity: 0.9;
    flex-grow: 1;
}

.feature-stats {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: auto;
}

.stat-badge {
    background: rgba(247, 155, 114, 0.1);
    color: #F79B72;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(247, 155, 114, 0.2);
}

/* Models Section */
.models {
    padding: 100px 0;
    background: white;
}

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

.model-tab {
    padding: 12px 24px;
    background: white;
    border: 2px solid #DDDDDD;
    border-radius: 8px;
    font-weight: 600;
    color: #2A4759;
    cursor: pointer;
    transition: all 0.3s ease;
}

.model-tab.active,
.model-tab:hover {
    background: #F79B72;
    color: white;
    border-color: #F79B72;
}

.model-content {
    display: none;
    gap: 4rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid #DDDDDD;
    box-shadow: 0 10px 30px rgba(42, 71, 89, 0.05);
}

.model-content.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.model-details h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    color: #2A4759;
    padding-bottom: 1rem;
    border-bottom: 2px solid #EEEEEE;
}

.model-details i {
    color: #F79B72;
}

.model-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: #EEEEEE;
    border-radius: 12px;
    border: 1px solid #DDDDDD;
}

.spec {
    color: #2A4759;
}

.spec strong {
    color: #2A4759;
    opacity: 0.9;
}

.key-drivers {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #EEEEEE;
    border-radius: 12px;
    border: 1px solid #DDDDDD;
}

.key-drivers h4 {
    margin-bottom: 1rem;
    color: #2A4759;
}

.key-drivers ul {
    list-style: none;
    padding-left: 1rem;
}

.key-drivers li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2A4759;
    opacity: 0.9;
}

.key-drivers li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #F79B72;
    font-weight: bold;
}

/* Performance Chart */
.performance-chart {
    background: #2A4759;
    padding: 2rem;
    border-radius: 16px;
    color: white;
    border: 1px solid #DDDDDD;
}

.chart-title {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 600;
    color: white;
    opacity: 0.9;
}

.chart-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: #F79B72;
}

.metric-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.chart-description {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Dashboard Section */
.dashboard {
    padding: 100px 0;
    background: #EEEEEE;
}

.dashboard-preview {
    max-width: 1000px;
    margin: 0 auto;
}

.dashboard-card {
    background: white;
    border-radius: 20px;
    border: 1px solid #DDDDDD;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(42, 71, 89, 0.1);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    background: #2A4759;
    color: white;
    border-bottom: 1px solid #DDDDDD;
}

.dashboard-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    margin: 0;
}

.dashboard-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.dashboard-section {
    padding: 1.5rem;
    background: #EEEEEE;
    border-radius: 12px;
    border: 1px solid #DDDDDD;
}

.dashboard-section h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    color: #2A4759;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #DDDDDD;
}

.dashboard-section i {
    color: #F79B72;
}

.risk-indicator {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    border: 2px solid #F79B72;
}

.risk-label {
    font-size: 0.9rem;
    color: #2A4759;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.risk-value {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: #2A4759;
}

.risk-value.high {
    color: #F79B72;
}

.risk-confidence {
    font-size: 0.9rem;
    color: #2A4759;
    opacity: 0.8;
}

.risk-details {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #EEEEEE;
    font-size: 0.85rem;
    color: #2A4759;
    opacity: 0.8;
}

.duration-prediction {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    border: 2px solid #2A4759;
}

.duration-value {
    font-size: 3rem;
    font-weight: 800;
    color: #2A4759;
    line-height: 1;
}

.duration-unit {
    font-size: 1.2rem;
    color: #2A4759;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.duration-range {
    font-size: 0.9rem;
    color: #2A4759;
    opacity: 0.8;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #EEEEEE;
}

.substance-chart {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.chart-bar {
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    color: white;
    font-weight: 600;
    transition: width 0.3s ease;
    background: #2A4759;
}

.chart-bar:nth-child(1) {
    background: #2A4759;
}

.chart-bar:nth-child(2) {
    background: rgba(42, 71, 89, 0.8);
}

.chart-bar:nth-child(3) {
    background: rgba(42, 71, 89, 0.6);
}

.chart-bar:nth-child(4) {
    background: rgba(42, 71, 89, 0.4);
}

.dashboard-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #2A4759;
    border-top: 1px solid #DDDDDD;
    font-size: 0.9rem;
    color: white;
}

.dashboard-footer i {
    margin-right: 5px;
    color: #F79B72;
}

/* Research Section */
.research {
    padding: 100px 0;
    background: white;
}

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

.research-card {
    background: #EEEEEE;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #DDDDDD;
    transition: transform 0.3s ease;
}

.research-card:hover {
    transform: translateY(-5px);
    border-color: #F79B72;
}

.research-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    color: #2A4759;
    padding-bottom: 1rem;
    border-bottom: 2px solid #DDDDDD;
}

.research-card i {
    color: #F79B72;
}

.research-card ul {
    list-style: none;
    padding-left: 1rem;
    margin-top: 1rem;
}

.research-card li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: #2A4759;
    opacity: 0.9;
}

.research-card li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #F79B72;
    font-size: 1.5rem;
    line-height: 1;
}

.research-metrics {
    background: #EEEEEE;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #DDDDDD;
    margin: 3rem 0;
}

.metrics-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #2A4759;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.metric-card {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #DDDDDD;
    transition: transform 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: #F79B72;
}

.metric-card .metric-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #F79B72;
    margin-bottom: 0.5rem;
}

.metric-card .metric-label {
    font-size: 1rem;
    font-weight: 600;
    color: #2A4759;
    margin-bottom: 0.5rem;
}

.metric-card .metric-description {
    font-size: 0.9rem;
    color: #2A4759;
    opacity: 0.8;
}

.research-publications {
    background: #EEEEEE;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #DDDDDD;
}

.research-publications h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.5rem;
    color: #2A4759;
    padding-bottom: 1rem;
    border-bottom: 2px solid #DDDDDD;
}

.research-publications i {
    color: #F79B72;
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.publication {
    padding: 1rem;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #F79B72;
    border: 1px solid #DDDDDD;
}

.pub-title {
    font-weight: 600;
    color: #2A4759;
    margin-bottom: 0.5rem;
}

.pub-details {
    font-size: 0.9rem;
    color: #2A4759;
    opacity: 0.8;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #EEEEEE;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto 3rem;
    text-align: center;
}

.contact-info p {
    color: #2A4759;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-detail {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #DDDDDD;
    min-width: 200px;
    transition: transform 0.3s ease;
}

.contact-detail:hover {
    transform: translateY(-5px);
    border-color: #F79B72;
}

.contact-detail i {
    font-size: 2rem;
    color: #F79B72;
    margin-bottom: 1rem;
}

.contact-detail h4 {
    color: #2A4759;
    margin-bottom: 0.5rem;
}

.contact-detail p {
    color: #2A4759;
    opacity: 0.9;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #DDDDDD;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2A4759;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #DDDDDD;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
    color: #2A4759;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #F79B72;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #EEEEEE;
}

.form-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #2A4759;
    opacity: 0.8;
}

.form-note i {
    color: #F79B72;
}

/* Footer */
.footer {
    background: #2A4759;
    color: white;
    padding: 3rem 0;
}

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

.footer-brand {
    flex: 1;
    min-width: 250px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.link-group h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.link-group a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: #F79B72;
}

.footer-social {
    flex: 1;
    min-width: 250px;
}

.footer-social h4 {
    color: white;
    margin-bottom: 1rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: #F79B72;
    transform: translateY(-3px);
}

.newsletter {
    margin-top: 1.5rem;
}

.newsletter p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.newsletter-form button {
    padding: 8px 16px;
    background: #F79B72;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.newsletter-form button:hover {
    background: #f5885a;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.legal {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal a:hover {
    color: #F79B72;
}

.data-attribution {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.data-attribution i {
    color: #F79B72;
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #F79B72;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(247, 155, 114, 0.3);
}

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(247, 155, 114, 0.4);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .model-content.active {
        grid-template-columns: 1fr;
    }
    
    .dashboard-sections {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
        padding: 15px;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .models-tabs {
        flex-direction: column;
        align-items: stretch;
    }
    
    .model-tab {
        width: 100%;
        text-align: center;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .contact-details {
        flex-direction: column;
        align-items: center;
    }
    
    .form-footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        text-align: center;
    }
    
    .feature-card,
    .research-card {
        padding: 1.5rem;
    }
    
    .model-content {
        padding: 1.5rem;
    }
    
    .chart-metrics {
        grid-template-columns: 1fr;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 10px 14px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #EEEEEE;
}

::-webkit-scrollbar-thumb {
    background: #2A4759;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #F79B72;
}

/* Dropdown Styles (for future use) */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: white;
    min-width: 200px;
    box-shadow: 0 8px 24px rgba(42, 71, 89, 0.2);
    border-radius: 8px;
    border: 1px solid #DDDDDD;
    z-index: 1000;
    padding: 0.5rem 0;
}

.dropdown-content a {
    color: #2A4759;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background 0.3s ease;
}

.dropdown-content a:hover {
    background: #EEEEEE;
    color: #F79B72;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Print Styles */
@media print {
    .navbar,
    .hero-buttons,
    .btn-small,
    .footer,
    .scroll-top {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .feature-card,
    .model-content,
    .dashboard-card,
    .research-card {
        break-inside: avoid;
        border: 1px solid #DDDDDD;
        box-shadow: none;
    }
}