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

:root {
    --color-bg: #F8F6FF;
    --color-bg-alt: #F0ECF8;
    --color-bg-card: #FFFFFF;
    --color-primary: #7C5CBF;
    --color-accent: #5E3EA1;
    --color-text: #1A1A2E;
    --color-text-secondary: #4A4A6A;
    --color-border: #DCCFF5;
    --color-badge-warn-bg: #FFF3D6;
    --color-badge-warn-text: #8A5B00;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s var(--transition-smooth);
}

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

.screen {
    padding: 84px 20px;
}

.screen:nth-of-type(even) {
    background: var(--color-bg-alt);
}

/* "About" section gets a tiled pattern of small "Ü" letters as background */
#about {
    position: relative;
    overflow: hidden;
}

#about::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ctext x='50%25' y='50%25' dominant-baseline='middle' text-anchor='middle' font-family='Manrope%2C sans-serif' font-size='28' font-weight='700' fill='%237C5CBF' opacity='0.08' transform='rotate(-15 30 30)'%3EÜ%3C/text%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

#about .container {
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.2rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 28px;
}

.section-content.narrow {
    max-width: 860px;
    margin: 0 auto;
}

.section-content p {
    color: var(--color-text-secondary);
    margin-bottom: 0.85rem;
}

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

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg) 100%);
    overflow: hidden;
    position: relative;
}

/* Decorative large "Ü" letter rotated in the background */
#hero::before {
    content: "Ü";
    position: absolute;
    font-size: 60vw;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.04;
    line-height: 1;
    right: -10vw;
    bottom: -10vw;
    transform: rotate(-20deg);
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

.hero-content {
    max-width: 880px;
    margin: 0 auto;
    position: relative;
    z-index: 1; /* Keep content above the decorative background letter */
}

.wordmark {
    display: inline-block;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.hero-content h1 {
    font-size: clamp(2rem, 4.2vw, 3.8rem);
    line-height: 1.15;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.hero-description {
    color: var(--color-text-secondary);
    max-width: 760px;
    margin: 0 auto 1.75rem;
    font-size: 1.08rem;
}

.main-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 2.25rem;
}

.nav-link {
    color: var(--color-accent);
    background: rgba(124, 92, 191, 0.1);
    border: 1px solid rgba(124, 92, 191, 0.25);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-link:hover {
    background: rgba(124, 92, 191, 0.16);
    color: var(--color-accent);
}

.scroll-down {
    border: 1px solid rgba(124, 92, 191, 0.35);
    background: #FFFFFF;
    color: var(--color-primary);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s var(--transition-smooth), box-shadow 0.2s var(--transition-smooth);
}

.scroll-down:hover {
    transform: translateY(2px);
    box-shadow: 0 8px 18px rgba(124, 92, 191, 0.18);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.product-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-primary);
    border-radius: 16px;
    padding: 24px;
    position: relative; /* Needed for absolute badge positioning */
}

/* Badge is flush with the top-right corner of the card; no space around it */
.product-card .badge {
    position: absolute;
    top: 0;
    right: 0;
    border-radius: 0 16px 0 8px; /* Matches the card's top-right border-radius */
}

.product-head {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.8rem;
    /* Badge is absolute, so no padding-right needed; title uses full card width */
}

.product-card h3 {
    color: var(--color-accent);
    font-size: 1.4rem;
}

.product-card p {
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

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

/* Container for documentation links at the bottom of a product card */
.product-links {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--color-border);
}

/* Individual documentation link inside a product card */
.product-doc-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.product-doc-link::before {
    content: "↗";
    font-size: 0.85em;
}

.product-doc-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.badge-primary {
    background: rgba(124, 92, 191, 0.15);
    color: var(--color-accent);
}

.badge-warn {
    background: var(--color-badge-warn-bg);
    color: var(--color-badge-warn-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.feature-card {
    background: #F4EEFF;
    border: 1px solid #E2D6FA;
    border-radius: 14px;
    padding: 1rem;
    color: var(--color-text);
    font-weight: 600;
    min-height: 90px;
    display: flex;
    align-items: center;
}

.contact-content {
    text-align: center;
}

footer {
    background: #2D1B69;
    color: #FFFFFF;
    padding: 34px 20px;
}

.footer-content {
    max-width: 1120px;
    margin: 0 auto;
    text-align: center;
}

.footer-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.footer-content p {
    opacity: 0.9;
    margin-bottom: 0.2rem;
}

/* Footer link inherits white color from footer text */
.footer-content a {
    color: #FFFFFF;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-content a:hover {
    opacity: 0.75;
    color: #FFFFFF;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .screen {
        padding: 64px 16px;
    }

    .section-title {
        font-size: 1.85rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .main-nav {
        flex-direction: column;
        align-items: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

}