:root {
    --color-bg: #f8f6f3;
    --color-bg-warm: #f0ebe4;
    --color-text: #2d3436;
    --color-text-light: #636e72;
    --color-accent: #2d6a4f;
    --color-accent-light: #40916c;
    --color-accent-bg: #d8f3dc;
    --color-warning: #d63031;
    --color-warning-bg: #ffe0e0;
    --color-card: #ffffff;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.1);
    --radius: 16px;
    --radius-small: 8px;
    --color-footer-bg: #2d3436;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1a1a1a;
        --color-bg-warm: #242424;
        --color-text: #e8e6e3;
        --color-text-light: #c0c0c0;
        --color-accent: #52b788;
        --color-accent-light: #74c69d;
        --color-accent-bg: #1e3a2f;
        --color-warning: #ff6b6b;
        --color-warning-bg: #3d2020;
        --color-card: #2d2d2d;
        --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
        --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.4);
        --color-footer-bg: #0d0d0d;
    }
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 17px;
}

h1, h2, h3 {
    font-family: 'Fraunces', serif;
    font-weight: 600;
    line-height: 1.3;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Hero Section (Hauptseite)
   ========================================================================== */

.hero {
    padding: 40px 0 20px;
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%);
}

.hero-badge {
    display: inline-block;
    background: var(--color-accent-bg);
    color: var(--color-accent);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    margin-bottom: 20px;
    color: var(--color-text);
}

.hero h1 span {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto 40px;
}

.price-hero {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    background: var(--color-card);
    padding: 20px 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-medium);
}

.price-hero .amount {
    font-family: 'Fraunces', serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
}

.price-hero .label {
    font-size: 1rem;
    color: var(--color-text-light);
}

.contact-hero {
    margin-top: 32px;
    padding: 24px 32px;
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.contact-hero p {
    color: var(--color-text);
    line-height: 1.8;
}

.contact-hero a {
    font-weight: 600;
}

/* ==========================================================================
   Warning Box (Hauptseite)
   ========================================================================== */

.warning-section {
    padding: 40px 0;
}

.warning-box {
    background: var(--color-warning-bg);
    border: 2px solid var(--color-warning);
    border-radius: var(--radius);
    padding: 28px 32px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.warning-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.warning-box h3 {
    color: var(--color-warning);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.warning-box p {
    color: var(--color-text);
}

/* ==========================================================================
   Benefits Section (Hauptseite)
   ========================================================================== */

.benefits-section {
    padding: 30px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--color-text-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.benefit-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    background: var(--color-accent-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
}

.benefit-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ==========================================================================
   Included Section (Hauptseite)
   ========================================================================== */

.included-section {
    padding: 60px 0;
    background: var(--color-bg-warm);
}

.included-box {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-soft);
}

.included-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--color-bg);
}

.included-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid var(--color-bg);
}

.included-header h2, .included-footer h2 {
    font-size: 1.8rem;
}

.included-price {
    background: var(--color-accent);
    color: white;
    padding: 12px 28px;
    border-radius: var(--radius-small);
    font-size: 1.4rem;
    font-weight: 700;
    font-family: 'Fraunces', serif;
}

.included-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.included-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg);
    border-radius: var(--radius-small);
}

.included-item .check {
    color: var(--color-accent);
    font-size: 1.2rem;
    font-weight: bold;
}

.included-item span {
    font-weight: 500;
}

/* ==========================================================================
   Extras Section (Hauptseite)
   ========================================================================== */

.extras-section {
    padding: 20px 0 40px 0;
}

.extras-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.extra-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 28px 32px;
    box-shadow: var(--shadow-soft);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 24px;
    align-items: center;
}

.extra-price {
    background: var(--color-accent-bg);
    color: var(--color-accent);
    padding: 12px 20px;
    border-radius: var(--radius-small);
    font-weight: 700;
    font-size: 1.2rem;
    font-family: 'Fraunces', serif;
    white-space: nowrap;
}

.extra-content h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    margin-bottom: 4px;
}

.extra-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.extra-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    background: var(--color-bg);
    padding: 8px 16px;
    border-radius: var(--radius-small);
}

.dual-boot-card {
    border: 2px solid var(--color-accent-light);
    background: linear-gradient(135deg, var(--color-card) 0%, var(--color-accent-bg) 100%);
}

.dual-boot-badge {
    background: var(--color-accent);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ==========================================================================
   Impressum Page
   ========================================================================== */

.header {
    padding: 40px 0;
    background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.header h1 {
    font-size: 2rem;
    color: var(--color-text);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-card);
    padding: 10px 20px;
    border-radius: var(--radius-small);
    box-shadow: var(--shadow-soft);
    font-weight: 500;
}

.content {
    padding: 60px 0;
}

.impressum-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-soft);
}

.impressum-section {
    margin-bottom: 32px;
}

.impressum-section:last-child {
    margin-bottom: 0;
}

.impressum-section h2 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--color-accent);
}

.impressum-section p {
    margin-bottom: 8px;
}

.impressum-section p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Renzso Main Page
   ========================================================================== */

.hero-subtitle-wide {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 720px;
    margin: 0 auto 32px;
    text-align: left;
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 32px;
}

.hero-info-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 20px 28px;
    box-shadow: var(--shadow-soft);
    text-align: left;
    flex: 1;
    min-width: 240px;
    max-width: 400px;
}

.hero-info-card h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 8px;
}

.hero-info-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.version-badge {
    display: inline-block;
    background: var(--color-accent);
    color: white;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 24px;
}

/* Promo Banner */
.promo-section {
    padding: 40px 0;
}

.promo-box {
    background: linear-gradient(135deg, var(--color-card) 0%, var(--color-accent-bg) 100%);
    border: 2px solid var(--color-accent-light);
    border-radius: var(--radius);
    padding: 28px 32px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.promo-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.promo-box h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.promo-box p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

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

.promo-link {
    display: inline-block;
    background: var(--color-accent);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-small);
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.2s ease;
}

.promo-link:hover {
    background: var(--color-accent-light);
    text-decoration: none;
}

/* Download Section */
.download-section {
    padding: 60px 0;
}

.download-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.download-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow-soft);
}

.download-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.download-card-header .platform-icon {
    width: 44px;
    height: 44px;
    background: var(--color-accent-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.download-card-header h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 1.15rem;
}

.download-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.download-card p:last-child {
    margin-bottom: 0;
}

.download-card .download-link {
    display: inline-block;
    background: var(--color-accent);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-small);
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 8px;
    transition: background 0.2s ease;
}

.download-card .download-link:hover {
    background: var(--color-accent-light);
    text-decoration: none;
}

/* Code Blocks */
pre {
    background: var(--color-bg-warm);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-small);
    padding: 16px 20px;
    overflow-x: auto;
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    margin: 12px 0;
    color: var(--color-text);
}

code {
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
    background: var(--color-bg-warm);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88em;
}

@media (prefers-color-scheme: dark) {
    pre {
        border-color: rgba(255, 255, 255, 0.08);
    }
}

/* Install Steps */
.install-step {
    margin-bottom: 12px;
}

.install-step p {
    margin-bottom: 4px;
}

/* Links Section */
.links-section {
    padding: 60px 0;
    background: var(--color-bg-warm);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.link-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.link-card h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 8px;
}

.link-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.link-card a {
    font-weight: 600;
}

/* ==========================================================================
   Footer (gemeinsam)
   ========================================================================== */

.footer {
    padding: 30px 0 50px 0;
    text-align: center;
    background: var(--color-footer-bg);
    color: white;
}

.footer h2 {
    color: white;
    margin-bottom: 16px;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.footer a {
    color: var(--color-accent-light);
}

.impressum-link {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.impressum-link a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.impressum-link a:hover {
    color: white;
}

/* ==========================================================================
   Responsive: Mobile (max 480px)
   ========================================================================== */

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .container {
        padding: 0 12px;
    }

    /* Hero */
    .hero {
        padding: 48px 0 40px;
    }

    .hero-badge {
        padding: 6px 14px;
        font-size: 12px;
        margin-bottom: 16px;
    }

    .hero h1 {
        font-size: 1.6rem;
        margin-bottom: 14px;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .price-hero {
        padding: 14px 24px;
    }

    .price-hero .amount {
        font-size: 2.2rem;
    }

    .price-hero .label {
        font-size: 0.9rem;
    }

    .contact-hero {
        margin-top: 20px;
        padding: 16px;
    }

    .contact-hero p {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    /* Warning */
    .warning-section {
        padding: 24px 0;
    }

    .warning-box {
        padding: 16px;
        gap: 12px;
        border-radius: 12px;
    }

    .warning-icon {
        font-size: 1.5rem;
    }

    .warning-box h3 {
        font-size: 1rem;
    }

    .warning-box p {
        font-size: 0.9rem;
    }

    /* Benefits */
    .benefits-section {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 28px;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .section-header p {
        font-size: 0.9rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .benefit-card {
        padding: 20px;
        border-radius: 12px;
    }

    .benefit-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        margin-bottom: 12px;
    }

    .benefit-card h3 {
        font-size: 1rem;
    }

    .benefit-card p {
        font-size: 0.85rem;
    }

    /* Included */
    .included-section {
        padding: 40px 0;
    }

    .included-box {
        padding: 20px;
        border-radius: 12px;
    }

    .included-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 20px;
        padding-bottom: 16px;
    }

    .included-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-top: 20px;
        padding-top: 16px;
    }

    .included-header h2, .included-footer h2 {
        font-size: 1.4rem;
    }

    .included-price {
        padding: 8px 20px;
        font-size: 1.2rem;
    }

    .included-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .included-item {
        padding: 10px 14px;
    }

    /* Extras */
    .extras-section {
        padding: 40px 0;
    }

    .extras-grid {
        gap: 14px;
    }

    .extra-card {
        padding: 16px;
        grid-template-columns: 1fr;
        gap: 12px;
        text-align: left;
        border-radius: 12px;
    }

    .extra-price {
        justify-self: start;
        padding: 8px 16px;
        font-size: 1.1rem;
    }

    .extra-content h3 {
        font-size: 1rem;
    }

    .extra-content p {
        font-size: 0.85rem;
    }

    .extra-note {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    /* Footer */
    .footer {
        padding: 40px 0;
    }

    .footer h2 {
        font-size: 1.4rem;
    }

    .impressum-link {
        margin-top: 24px;
        padding-top: 16px;
    }

    /* Impressum Header */
    .header {
        padding: 24px 0;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .back-link {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    /* Impressum Content */
    .content {
        padding: 32px 0;
    }

    .impressum-card {
        padding: 24px 20px;
        border-radius: 12px;
    }

    .impressum-section {
        margin-bottom: 24px;
    }

    .impressum-section h2 {
        font-size: 1.1rem;
    }

    /* Renzso Main Page */
    .hero-subtitle-wide {
        font-size: 0.95rem;
    }

    .hero-info {
        gap: 14px;
        margin-top: 24px;
    }

    .hero-info-card {
        padding: 16px;
        min-width: unset;
    }

    .promo-section {
        padding: 24px 0;
    }

    .promo-box {
        padding: 16px;
        gap: 12px;
        flex-direction: column;
        border-radius: 12px;
    }

    .promo-box h3 {
        font-size: 1rem;
    }

    .download-section {
        padding: 40px 0;
    }

    .download-card {
        padding: 20px;
        border-radius: 12px;
    }

    .download-card-header .platform-icon {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }

    pre {
        padding: 12px 14px;
        font-size: 0.78rem;
    }

    .links-section {
        padding: 40px 0;
    }

    .links-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .link-card {
        padding: 20px;
        border-radius: 12px;
    }
}

/* ==========================================================================
   Responsive: Tablet (481px – 768px)
   ========================================================================== */

@media (max-width: 768px) and (min-width: 481px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 60px 0 50px;
    }

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

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .extra-card {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .included-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .impressum-card {
        padding: 32px;
    }
}

/* ==========================================================================
   Responsive: Extra-Card Stacking (max 600px)
   ========================================================================== */

@media (max-width: 600px) {
    .extra-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
}