:root {
    --primary-color: #4A90E2;
    --primary-dark: #357ABD;
    --text-dark: #2D3748;
    --text-medium: #4A5568;
    --text-light: #718096;
    --bg-light: #F7FAFC;
    --bg-white: #FFFFFF;
    --border-color: #E2E8F0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 0.75rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.navbar-brand:hover {
    color: var(--primary-dark);
}

.nav-link {
    color: var(--text-medium);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

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

.main-content {
    padding-top: 80px;
}

.hero-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    padding: 4rem 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-section h1 {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
}

.hero-section p {
    font-size: 1.125rem;
    color: var(--text-medium);
}

.hero-image {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.section {
    padding: 5rem 0;
}

.section-light {
    background-color: var(--bg-light);
}

.section-white {
    background-color: var(--bg-white);
}

.section-title {
    margin-bottom: 2rem;
}

.content-block {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.content-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.content-image {
    border-radius: 8px;
    margin-bottom: 1.5rem;
    width: 100%;
    object-fit: cover;
}

.two-column-layout {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.two-column-layout.reverse {
    flex-direction: row-reverse;
}

.two-column-layout .text-column {
    flex: 1;
}

.two-column-layout .image-column {
    flex: 1;
}

.two-column-layout .image-column img {
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.exercise-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.exercise-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.exercise-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.exercise-card-body {
    padding: 1.5rem;
}

.exercise-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.exercise-card p {
    font-size: 0.95rem;
}

.btn-primary-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-white);
    padding: 0.75rem 1.75rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.btn-outline-custom {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.75rem 1.75rem;
    font-weight: 500;
    border-radius: 8px;
    background-color: transparent;
    transition: all 0.3s ease;
}

.btn-outline-custom:hover {
    background-color: var(--primary-color);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.faq-section .card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-section .card-header {
    background-color: var(--bg-white);
    border-bottom: none;
    padding: 0;
}

.faq-section .btn-link {
    color: var(--text-dark);
    font-weight: 500;
    text-decoration: none;
    padding: 1.25rem;
    display: block;
    width: 100%;
    text-align: left;
    transition: background-color 0.3s ease;
}

.faq-section .btn-link:hover {
    background-color: var(--bg-light);
}

.faq-section .card-body {
    padding: 1.25rem;
    color: var(--text-medium);
}

.contact-form {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.form-control {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

.disclaimer-banner {
    background-color: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    padding: 1.25rem;
    border-radius: 0 8px 8px 0;
    margin: 2rem 0;
}

.disclaimer-banner p {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: var(--text-medium);
}

.footer {
    background-color: var(--text-dark);
    color: var(--bg-light);
    padding: 4rem 0 2rem;
}

.footer h3 {
    color: var(--bg-white);
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--bg-white);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-top: 3rem;
}

.footer-disclaimer {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1.5rem;
}

.footer-disclaimer p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--text-dark);
    color: var(--bg-white);
    padding: 1.25rem;
    z-index: 9999;
    display: none;
}

.cookie-banner.show {
    display: block;
}

.cookie-banner p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

.policy-page {
    padding: 3rem 0;
}

.policy-page h1 {
    margin-bottom: 2rem;
}

.policy-page h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.policy-page h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.policy-page ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.policy-page li {
    margin-bottom: 0.5rem;
    color: var(--text-medium);
}

.context-section {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
}

.context-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.context-section ul {
    margin-bottom: 0;
}

.about-image {
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.contact-info {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
}

.contact-info h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 0.75rem;
}

@media (max-width: 991.98px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-section h1 {
        font-size: 2.25rem;
    }
    
    .two-column-layout {
        flex-direction: column;
        gap: 2rem;
    }
    
    .two-column-layout.reverse {
        flex-direction: column;
    }
    
    .section {
        padding: 3rem 0;
    }
}

@media (max-width: 767.98px) {
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero-section {
        padding: 2rem 0;
        min-height: auto;
    }
    
    .hero-section h1 {
        font-size: 1.875rem;
    }
    
    .content-block {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .exercise-card img {
        height: 180px;
    }
}