* {
    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: #333;
    background-color: #fafafa;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: #222;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    line-height: 1.35;
    color: #333;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.4;
    color: #444;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

a {
    color: #4A90E2;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #357ABD;
}

.accent-color {
    color: #4A90E2;
}

.bg-accent {
    background-color: #4A90E2;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 0.75rem 0;
}

header .navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #4A90E2;
}

header .navbar-brand:hover {
    color: #357ABD;
}

header .nav-link {
    color: #555;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

header .nav-link:hover {
    color: #4A90E2;
}

.btn-primary {
    background-color: #4A90E2;
    border-color: #4A90E2;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #357ABD;
    border-color: #357ABD;
}

.btn-outline-primary {
    color: #4A90E2;
    border-color: #4A90E2;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: #4A90E2;
    border-color: #4A90E2;
    color: #fff;
}

section {
    padding: 5rem 0;
}

section:nth-child(even) {
    background-color: #fff;
}

section:nth-child(odd) {
    background-color: #f8f9fa;
}

#hero {
    padding-top: 8rem;
    padding-bottom: 5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

#hero h1 {
    font-size: 2.75rem;
}

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

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: #fff;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.card-body {
    padding: 2rem;
}

.card-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.card-text {
    color: #666;
    line-height: 1.7;
}

.section-divider {
    width: 60px;
    height: 3px;
    background-color: #4A90E2;
    margin: 1.5rem 0;
}

.content-image {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    max-width: 100%;
    height: auto;
}

.content-image-left {
    float: left;
    margin-right: 2rem;
    margin-bottom: 1rem;
    max-width: 45%;
}

.content-image-right {
    float: right;
    margin-left: 2rem;
    margin-bottom: 1rem;
    max-width: 45%;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

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

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

.list-styled {
    list-style: none;
    padding: 0;
}

.list-styled li {
    padding: 0.75rem 0;
    padding-left: 1.75rem;
    position: relative;
    border-bottom: 1px solid #eee;
}

.list-styled li:last-child {
    border-bottom: none;
}

.list-styled li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.1rem;
    width: 8px;
    height: 8px;
    background-color: #4A90E2;
    border-radius: 50%;
}

.info-box {
    background-color: #e8f4fd;
    border-left: 4px solid #4A90E2;
    padding: 1.5rem;
    border-radius: 0 8px 8px 0;
    margin: 1.5rem 0;
}

.info-box p {
    margin-bottom: 0;
    color: #555;
}

.accordion .card {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    box-shadow: none;
}

.accordion .card:hover {
    transform: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.accordion .card-header {
    background-color: #fff;
    border-bottom: none;
    padding: 0;
}

.accordion .btn-link {
    color: #333;
    font-weight: 600;
    text-decoration: none;
    width: 100%;
    text-align: left;
    padding: 1rem 1.5rem;
    display: block;
}

.accordion .btn-link:hover {
    color: #4A90E2;
}

.accordion .card-body {
    padding: 0 1.5rem 1.5rem;
    color: #666;
}

#limitations {
    background-color: #f0f4f8;
}

#limitations .info-box {
    background-color: #fff;
}

.form-control {
    border: 1px solid #ddd;
    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: #4A90E2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

textarea.form-control {
    min-height: 120px;
}

footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 4rem 0 2rem;
}

footer h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
}

footer p {
    color: #adb5bd;
    margin-bottom: 0.5rem;
}

footer a {
    color: #adb5bd;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #4A90E2;
}

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

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

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

.footer-disclaimer {
    font-size: 0.875rem;
    color: #adb5bd;
    text-align: center;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    margin-top: 1.5rem;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #2c3e50;
    color: #fff;
    padding: 1.25rem;
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    display: none;
}

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

.cookie-banner p {
    margin-bottom: 1rem;
    color: #fff;
}

.cookie-banner .btn {
    margin-right: 0.5rem;
}

.modal-content {
    border: none;
    border-radius: 12px;
}

.modal-header {
    border-bottom: 1px solid #eee;
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    border-top: 1px solid #eee;
    padding: 1rem 1.5rem;
}

.success-message {
    display: none;
    background-color: #d4edda;
    color: #155724;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1rem;
}

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

.educational-disclaimer {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: #856404;
}

@media (max-width: 991.98px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    #hero {
        min-height: auto;
        padding-top: 7rem;
    }

    #hero h1 {
        font-size: 2rem;
    }

    section {
        padding: 3.5rem 0;
    }

    .content-image-left,
    .content-image-right {
        float: none;
        max-width: 100%;
        margin: 0 0 1.5rem 0;
    }
}

@media (max-width: 767.98px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    section {
        padding: 3rem 0;
    }

    .card-body {
        padding: 1.5rem;
    }

    footer {
        text-align: center;
    }

    .footer-links {
        margin-bottom: 2rem;
    }
}

@media (max-width: 575.98px) {
    header .navbar-brand {
        font-size: 1.25rem;
    }

    .btn {
        padding: 0.625rem 1rem;
    }
}