@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --color-primary-light: #fbfdff;
    --color-primary-lighter: #eef6ff;
    --color-dark: #0b1b2b;
    --color-accent-teal: #4dd6c1;
    --color-accent-purple: #a78bfa;
    --color-accent-gold: #f2d6a2;
    --radius: 12px;
}

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

html, body {
    font-family: 'Inter', sans-serif;
    color: var(--color-dark);
    background-color: var(--color-primary-light);
    overflow-x: hidden;
}

body {
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin: 2rem 0 1.5rem;
}

h3 {
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem;
}

h4 {
    font-size: 1.25rem;
    margin: 1rem 0 0.75rem;
}

p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    letter-spacing: -0.003em;
}

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

a:hover {
    color: var(--color-accent-purple);
}

ul, ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

ul li, ol li {
    margin-bottom: 0.75rem;
}

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

.navbar {
    background: rgba(251, 253, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(238, 246, 255, 0.5);
    box-shadow: 0 2px 8px rgba(11, 27, 43, 0.05);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(251, 253, 255, 0.98);
    box-shadow: 0 4px 12px rgba(11, 27, 43, 0.1);
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent-teal), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.01em;
}

.navbar-brand {
    margin-right: 2rem;
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-left: 2rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-teal);
    transition: width 0.3s ease;
}

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-light));
    position: relative;
    overflow: hidden;
    margin-top: 60px;
}

.hero-bg {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(77, 214, 193, 0.15), transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 2rem;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--color-dark);
    text-shadow: 0 2px 4px rgba(11, 27, 43, 0.08);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-accent-teal);
    font-weight: 500;
    letter-spacing: 0.15em;
    margin-bottom: 3rem;
}

.btn-neural {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary-light);
    background: linear-gradient(135deg, var(--color-accent-teal), var(--color-accent-purple));
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 20px rgba(77, 214, 193, 0.25);
    letter-spacing: -0.01em;
}

.btn-neural:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(77, 214, 193, 0.35);
}

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

.module-section {
    padding: 6rem 0;
    background: var(--color-primary-light);
}

.module-section.alternate {
    background: var(--color-primary-lighter);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-accent-teal);
    font-weight: 500;
    margin-bottom: 2rem;
}

.module-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(11, 27, 43, 0.12);
    transition: transform 0.4s ease;
    margin-bottom: 2rem;
}

.module-image:hover {
    transform: scale(1.02);
}

.module-section h3 {
    color: var(--color-dark);
    margin-top: 0;
}

.module-section p {
    font-size: 1.05rem;
    line-height: 1.7;
}

.page-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-light));
    margin-top: 60px;
    padding: 3rem 0;
}

.page-hero h1 {
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.25rem;
    color: var(--color-accent-teal);
}

.last-updated {
    font-size: 0.95rem;
    color: #999;
    margin-top: 0.5rem;
}

.legal-section {
    padding: 4rem 0;
    background: var(--color-primary-light);
}

.legal-section h2 {
    color: var(--color-dark);
    font-size: 1.75rem;
}

.legal-section h3 {
    color: var(--color-accent-purple);
    font-size: 1.3rem;
}

.legal-section p, .legal-section ul, .legal-section ol {
    font-size: 1rem;
    line-height: 1.7;
}

.legal-section ul li, .legal-section ol li {
    margin-bottom: 0.5rem;
}

.faq-section {
    padding: 6rem 0;
    background: var(--color-primary-lighter);
}

.accordion .card {
    border: none;
    background: transparent;
    border-bottom: 1px solid rgba(11, 27, 43, 0.08);
    margin-bottom: 0;
}

.accordion .card:first-child {
    border-top: 1px solid rgba(11, 27, 43, 0.08);
}

.accordion .card-header {
    background: transparent;
    border: none;
    padding: 1.5rem 0;
}

.accordion .btn-link {
    color: var(--color-dark);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
}

.accordion .btn-link:hover {
    color: var(--color-accent-teal);
}

.accordion .card-body {
    padding: 0 0 1.5rem 0;
    font-size: 1rem;
    line-height: 1.6;
}

.level-box {
    background: var(--color-primary-light);
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    border: 2px solid rgba(77, 214, 193, 0.15);
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.level-box:hover {
    border-color: var(--color-accent-teal);
    box-shadow: 0 8px 20px rgba(77, 214, 193, 0.1);
}

.level-box h4 {
    color: var(--color-accent-teal);
    margin: 0;
}

.level-box p {
    margin: 0.5rem 0 0 0;
    font-size: 0.95rem;
}

.principles-list {
    list-style: none;
    margin-left: 0;
}

.principles-list li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 1rem;
}

.principles-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--color-accent-teal);
    font-size: 1.5rem;
    font-weight: bold;
}

.final-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-light));
    text-align: center;
}

.final-section h2 {
    color: var(--color-dark);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.final-section p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.footer {
    background: var(--color-dark);
    color: var(--color-primary-light);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer h5 {
    color: var(--color-accent-teal);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

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

.footer-links a {
    color: var(--color-primary-light);
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(77, 214, 193, 0.15);
    padding-top: 2rem;
    margin-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(11, 27, 43, 0.95);
    backdrop-filter: blur(8px);
    color: var(--color-primary-light);
    padding: 1.5rem 0;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid rgba(77, 214, 193, 0.2);
}

.cookie-banner.hidden {
    display: none;
}

.cookie-banner .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.cookie-banner p {
    margin: 0;
    font-size: 0.95rem;
    flex: 1;
    min-width: 250px;
}

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

.btn-cookie-essential {
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--color-primary-light);
    border: 1px solid var(--color-primary-light);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-cookie-essential:hover {
    background: rgba(77, 214, 193, 0.1);
    border-color: var(--color-accent-teal);
}

.btn-cookie-all {
    padding: 0.75rem 1.5rem;
    background: var(--color-accent-teal);
    color: var(--color-dark);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-cookie-all:hover {
    background: var(--color-accent-purple);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
        margin: 1.5rem 0 1rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
        margin-top: 80px;
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .btn-neural {
        padding: 0.75rem 2rem;
        font-size: 0.95rem;
    }

    .module-section {
        padding: 3rem 0;
    }

    .module-image {
        margin-bottom: 1.5rem;
    }

    .nav-link {
        margin-left: 1.5rem;
        font-size: 0.95rem;
    }

    .page-hero {
        min-height: auto;
        padding: 2rem 0;
    }

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

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

    .cookie-banner {
        padding: 1rem 0;
    }

    .cookie-banner .container {
        flex-direction: column;
        gap: 1rem;
    }

    .cookie-banner p {
        min-width: auto;
        text-align: center;
    }

    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }

    .btn-cookie-essential, .btn-cookie-all {
        width: 100%;
    }

    .footer {
        padding: 2rem 0 1rem;
    }

    .footer h5 {
        margin-top: 1rem;
    }

    .legal-section {
        padding: 2rem 0;
    }

    .level-box {
        padding: 1.5rem 1rem;
    }

    .final-section {
        padding: 3rem 0;
    }

    .final-section h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
        margin: 1rem 0 0.75rem;
    }

    p {
        font-size: 0.95rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .navbar {
        padding: 0.75rem 0;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .nav-link {
        margin-left: 1rem;
    }

    .container {
        padding: 0 1rem;
    }
}