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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--dd-font-body);
    background: var(--dd-bg);
    color: var(--dd-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--dd-accent-soft);
    color: var(--dd-accent);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--dd-font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--dd-text);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
}

p {
    margin-bottom: 1.5rem;
    color: var(--dd-text-soft);
}

a {
    color: var(--dd-accent);
    text-decoration: none;
    transition: color var(--dd-transition-fast);
}

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

strong {
    color: var(--dd-text);
    font-weight: 600;
}

/* ===================================
   LAYOUT CONTAINERS
   =================================== */

.dd-main {
    min-height: 100vh;
    padding-top: var(--dd-nav-height);
}

.dd-container-page {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.dd-container-page--narrow {
    max-width: 1200px;
}

.dd-container-page--wide {
    max-width: 1600px;
}

.dd-section {
    padding: var(--dd-section-padding-y) 0;
}

.dd-toc-card {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    padding: 2rem;
    margin-bottom: 3rem;
}

.dd-toc-card__title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--dd-text);
}

.dd-toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.dd-toc-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--dd-bg-softer);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-sm);
    transition: all var(--dd-transition-fast);
    text-decoration: none;
}

.dd-toc-item:hover {
    background: var(--dd-accent-soft);
    border-color: var(--dd-accent);
    transform: translateX(4px);
}

.dd-toc-item__number {
    font-family: var(--dd-font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dd-accent);
    flex-shrink: 0;
}

.dd-toc-item__text {
    color: var(--dd-text-soft);
    font-size: 0.9375rem;
    font-weight: 500;
}

.dd-toc-item:hover .dd-toc-item__text {
    color: var(--dd-text);
}

.dd-content-wrapper {
    position: relative;
}

.dd-content-block {
    margin-bottom: 4rem;
    scroll-margin-top: calc(var(--dd-nav-height) + 2rem);
}

.dd-content-block--final {
    margin-bottom: 2rem;
}

.dd-section-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--dd-border-subtle);
}

.dd-section-number {
    font-family: var(--dd-font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--dd-accent) 0%, var(--dd-accent-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.dd-section-title {
    margin: 0;
    flex: 1;
}

.dd-lead-text {
    font-size: 1.1875rem;
    line-height: 1.8;
    color: var(--dd-text);
    margin-bottom: 2rem;
}

.dd-text-note {
    font-size: 0.9375rem;
    color: var(--dd-text-softer);
    font-style: italic;
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    background: var(--dd-bg-soft);
    border-left: 3px solid var(--dd-accent);
    border-radius: var(--dd-radius-sm);
}

/* ===================================
   ALERTS
   =================================== */

.dd-alert {
    display: flex;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-radius: var(--dd-radius-md);
    margin: 2rem 0;
    border: 1px solid;
}

.dd-alert__icon {
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.dd-alert__content {
    flex: 1;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.dd-alert--info {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
    color: var(--dd-text-soft);
}

.dd-alert--info .dd-alert__icon {
    color: var(--dd-accent);
}

.dd-alert--tip {
    background: rgba(6, 182, 212, 0.08);
    border-color: rgba(6, 182, 212, 0.2);
    color: var(--dd-text-soft);
}

.dd-alert--tip .dd-alert__icon {
    color: var(--dd-cyan);
}

.dd-alert--warning {
    background: rgba(236, 72, 153, 0.08);
    border-color: rgba(236, 72, 153, 0.2);
    color: var(--dd-text-soft);
}

.dd-alert--warning .dd-alert__icon {
    color: var(--dd-accent-2);
}

/* ===================================
   FEATURE LIST
   =================================== */

.dd-feature-list {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.dd-feature-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    transition: all var(--dd-transition-fast);
}

.dd-feature-item:hover {
    border-color: var(--dd-accent);
    background: var(--dd-bg-softer);
}

.dd-feature-item__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--dd-radius-sm);
    background: var(--dd-accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--dd-accent);
}

.dd-feature-item__content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--dd-text);
}

.dd-feature-item__content p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--dd-text-soft);
    line-height: 1.6;
}

.dd-highlight-box {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-sm);
    padding: 1.5rem;
    margin: 2rem 0;
}

.dd-highlight-box p {
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    color: var(--dd-text-soft);
}

.dd-highlight-box p:last-child {
    margin-bottom: 0;
}

.dd-contact-section {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-lg);
}

.dd-contact-section__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 2rem;
    border-radius: var(--dd-radius-md);
    background: var(--dd-accent-soft);
    color: var(--dd-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dd-contact-section__title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dd-text);
}

.dd-contact-section__text {
    font-size: 1.0625rem;
    color: var(--dd-text-soft);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.dd-contact-section__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.dd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--dd-font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--dd-radius-sm);
    cursor: pointer;
    transition: all var(--dd-transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.dd-btn--large {
    padding: 1.125rem 2.25rem;
    font-size: 1rem;
}

.dd-btn--primary {
    background: var(--dd-accent);
    color: #ffffff;
}

.dd-btn--primary:hover {
    background: var(--dd-accent-strong);
    transform: translateY(-2px);
    color: #ffffff;
}

.dd-btn--secondary {
    background: var(--dd-bg-soft);
    color: var(--dd-text);
    border: 1px solid var(--dd-border-subtle);
}

.dd-btn--secondary:hover {
    background: var(--dd-bg-softer);
    border-color: var(--dd-accent);
    color: var(--dd-accent);
}

.dd-section--minimal {
    padding: 2rem 0;
}

.dd-hero {
    position: relative;
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, var(--dd-bg-contrast) 0%, var(--dd-bg) 100%);
    border-bottom: 1px solid var(--dd-border-subtle);
}

.dd-hero--compact {
    padding: 4rem 0 3rem;
}

.dd-hero__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.dd-hero__title {
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--dd-text) 0%, var(--dd-text-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dd-hero__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--dd-text-soft);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.dd-hero__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.dd-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--dd-text-softer);
}

.dd-icon {
    color: var(--dd-accent);
    flex-shrink: 0;
}

.dd-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.dd-breadcrumb__link {
    color: var(--dd-text-softer);
    transition: color var(--dd-transition-fast);
}

.dd-breadcrumb__link:hover {
    color: var(--dd-accent);
}

.dd-breadcrumb__separator {
    color: var(--dd-text-softer);
    opacity: 0.5;
}

.dd-breadcrumb__current {
    color: var(--dd-text-soft);
    font-weight: 500;
}

.dd-terms-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.dd-terms-card {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    padding: 2rem;
    transition: all var(--dd-transition-med);
}

.dd-terms-card:hover {
    border-color: var(--dd-accent);
    transform: translateY(-4px);
    box-shadow: var(--dd-shadow-subtle);
}

.dd-terms-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--dd-radius-sm);
    background: var(--dd-accent-soft);
    color: var(--dd-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.dd-terms-card__title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dd-text);
}

.dd-terms-card__desc {
    margin: 0;
    color: var(--dd-text-soft);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.dd-permission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin: 2.5rem 0;
}

.dd-permission-box {
    background: var(--dd-bg-soft);
    border: 2px solid;
    border-radius: var(--dd-radius-md);
    padding: 2rem;
}

.dd-permission-box--allowed {
    border-color: var(--dd-success);
    background: rgba(46, 204, 113, 0.05);
}

.dd-permission-box--forbidden {
    border-color: var(--dd-danger);
    background: rgba(255, 92, 122, 0.05);
}

.dd-permission-box__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--dd-border-subtle);
}

.dd-permission-box__header svg {
    flex-shrink: 0;
}

.dd-permission-box--allowed .dd-permission-box__header svg {
    color: var(--dd-success);
}

.dd-permission-box--forbidden .dd-permission-box__header svg {
    color: var(--dd-danger);
}

.dd-permission-box__header h3 {
    margin: 0;
    font-size: 1.375rem;
    color: var(--dd-text);
}

.dd-permission-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dd-permission-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--dd-text-soft);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.dd-permission-list li:last-child {
    margin-bottom: 0;
}

.dd-permission-box--allowed .dd-permission-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    background: rgba(46, 204, 113, 0.14);
    color: var(--dd-success);
    border-radius: var(--dd-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.dd-permission-box--forbidden .dd-permission-list li::before {
    content: '✕';
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    background: rgba(255, 92, 122, 0.14);
    color: var(--dd-danger);
    border-radius: var(--dd-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.dd-community-box {
    background: linear-gradient(135deg, var(--dd-accent-soft) 0%, rgba(6, 182, 212, 0.08) 100%);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    padding: 2rem;
    margin: 2rem 0;
}

.dd-community-box__title {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--dd-text);
}

.dd-community-box p {
    margin: 0;
    color: var(--dd-text-soft);
    line-height: 1.8;
    font-size: 1.0625rem;
}

.dd-code-policy {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.dd-code-card {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dd-code-card__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: fit-content;
    padding: 0.5rem 1rem;
    border-radius: var(--dd-radius-pill);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dd-code-card__badge--free {
    background: rgba(46, 204, 113, 0.14);
    color: var(--dd-success);
}

.dd-code-card__badge--asis {
    background: rgba(236, 72, 153, 0.14);
    color: var(--dd-accent-2);
}

.dd-code-card__badge--support {
    background: rgba(6, 182, 212, 0.14);
    color: var(--dd-cyan);
}

.dd-code-card__title {
    font-size: 1.25rem;
    margin: 0.5rem 0 1rem;
    color: var(--dd-text);
}

.dd-code-card__text {
    color: var(--dd-text-soft);
    line-height: 1.7;
    flex: 1;
    margin: 0;
}

.dd-code-card__note {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--dd-border-subtle);
    font-size: 0.875rem;
    color: var(--dd-text-softer);
    font-style: italic;
}

.dd-language-showcase {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    padding: 2rem;
    margin: 2.5rem 0;
}

.dd-language-showcase__title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--dd-text);
    text-align: center;
}

.dd-language-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.dd-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    background: var(--dd-bg-softer);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-pill);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dd-text-soft);
    transition: all var(--dd-transition-fast);
    font-family: var(--dd-font-display);
}

.dd-tag:hover {
    background: var(--dd-accent-soft);
    border-color: var(--dd-accent);
    color: var(--dd-accent);
    transform: translateY(-2px);
}

.dd-prohibited-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0;
}

.dd-prohibited-item {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-left: 3px solid var(--dd-danger);
    border-radius: var(--dd-radius-sm);
    padding: 1.5rem;
    transition: all var(--dd-transition-fast);
}

.dd-prohibited-item:hover {
    background: var(--dd-bg-softer);
    border-left-width: 4px;
}

.dd-prohibited-item__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--dd-radius-sm);
    background: rgba(255, 92, 122, 0.14);
    color: var(--dd-danger);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.dd-prohibited-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--dd-text);
}

.dd-prohibited-item p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--dd-text-soft);
    line-height: 1.6;
}

.dd-disclaimer-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.dd-disclaimer-box {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    padding: 2rem;
}

.dd-disclaimer-box__title {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--dd-text);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dd-disclaimer-box__title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--dd-accent);
    border-radius: 2px;
}

.dd-disclaimer-box p {
    margin: 0;
    color: var(--dd-text-soft);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.dd-liability-card {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    padding: 2rem;
    margin: 2rem 0;
}

.dd-liability-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--dd-text);
}

.dd-liability-grid {
    display: grid;
    gap: 1rem;
}

.dd-liability-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.dd-liability-item__bullet {
    color: var(--dd-accent);
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.dd-liability-item p {
    margin: 0;
    color: var(--dd-text-soft);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.dd-termination-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.dd-termination-card {
    background: var(--dd-bg-soft);
    border: 1px solid var(--dd-border-subtle);
    border-radius: var(--dd-radius-md);
    padding: 2rem;
}

.dd-termination-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    color: var(--dd-text);
}

.dd-termination-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dd-termination-card li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.875rem;
    color: var(--dd-text-soft);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.dd-termination-card li:last-child {
    margin-bottom: 0;
}

.dd-termination-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.625rem;
    width: 8px;
    height: 8px;
    background: var(--dd-accent);
    border-radius: 50%;
}

.dd-contact-section__footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--dd-border-subtle);
    font-size: 1rem;
    color: var(--dd-text-soft);
    text-align: center;
}

@media (max-width: 768px) {
    .dd-permission-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .dd-code-policy,
    .dd-disclaimer-boxes,
    .dd-termination-info {
        grid-template-columns: 1fr;
    }
    
    .dd-prohibited-grid {
        grid-template-columns: 1fr;
    }
    
    .dd-terms-cards {
        grid-template-columns: 1fr;
    }
    
    .dd-language-tags {
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .dd-permission-box,
    .dd-code-card,
    .dd-disclaimer-box,
    .dd-termination-card {
        padding: 1.5rem;
    }
    
    .dd-permission-box__header h3 {
        font-size: 1.125rem;
    }
    
    .dd-code-card__title,
    .dd-disclaimer-box__title,
    .dd-termination-card h4 {
        font-size: 1.125rem;
    }
    
    .dd-community-box {
        padding: 1.5rem;
    }
    
    .dd-language-showcase {
        padding: 1.5rem;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dd-permission-box,
.dd-code-card,
.dd-prohibited-item {
    animation: slideInUp 0.5s ease-out;
}

@media print {
    .dd-permission-box,
    .dd-code-policy,
    .dd-disclaimer-boxes,
    .dd-termination-info {
        page-break-inside: avoid;
    }
    
    .dd-permission-box--allowed {
        border-color: #000;
    }
    
    .dd-permission-box--forbidden {
        border-color: #000;
    }
}

@media (max-width: 768px) {
    :root {
        --dd-section-padding-y: 3rem;
    }
    
    .dd-container-page {
        padding: 0 1rem;
    }
    
    .dd-hero {
        padding: 3rem 0 2rem;
    }
    
    .dd-hero__meta {
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .dd-toc-grid {
        grid-template-columns: 1fr;
    }
    
    .dd-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .dd-section-number {
        font-size: 2rem;
    }
    
    .dd-info-grid,
    .dd-security-features,
    .dd-rights-grid {
        grid-template-columns: 1fr;
    }
    
    .dd-cta-box,
    .dd-contact-section {
        padding: 2rem 1.5rem;
    }
    
    .dd-contact-section__actions {
        flex-direction: column;
        width: 100%;
    }
    
    .dd-contact-section__actions .dd-btn {
        width: 100%;
    }
    
    .dd-toc-card {
        padding: 1.5rem;
    }
    
    .dd-content-block {
        margin-bottom: 3rem;
    }
}

@media (max-width: 480px) {
    .dd-hero__title {
        font-size: 1.75rem;
    }
    
    .dd-hero__subtitle {
        font-size: 1rem;
    }
    
    .dd-section-title {
        font-size: 1.5rem;
    }
    
    .dd-lead-text {
        font-size: 1rem;
    }
    
    .dd-info-card,
    .dd-service-card,
    .dd-cookie-card {
        padding: 1.5rem;
    }
    
    .dd-cta-box__title,
    .dd-contact-section__title {
        font-size: 1.5rem;
    }
    
    .dd-btn--large {
        padding: 1rem 1.75rem;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dd-content-block {
    animation: fadeIn 0.6s ease-out;
}

@media print {
    .dd-hero,
    .dd-toc-card,
    .dd-contact-section,
    .dd-cta-box {
        page-break-inside: avoid;
    }
    
    .dd-content-block {
        page-break-inside: avoid;
    }
    
    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.85em;
        color: var(--dd-text-softer);
    }
}

.dd-btn:focus-visible,
.dd-toc-item:focus-visible,
a:focus-visible {
    outline: 2px solid var(--dd-accent);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}