/* =========================================================
   Coredump of the Soul – site.css
   CSS Grid Layout, responsive, dark tech theme
   ========================================================= */

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

:root {
    --clr-bg: #0d1117;
    --clr-surface: #161b22;
    --clr-border: #30363d;
    --clr-accent: #bc8cff;
    --clr-accent2: #58a6ff;
    --clr-text: #e6edf3;
    --clr-muted: #8b949e;
    --clr-hero-from: #0d1117;
    --clr-hero-to: #161b22;
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --radius: 8px;
    --transition: 200ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.65;
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    grid-template-columns: 1fr;
}

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

    a:hover {
        text-decoration: underline;
    }

img {
    max-width: 100%;
    display: block;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    background: var(--clr-accent);
    color: #0d1117;
    padding: .75em 1.5em;
    font-weight: 700;
    font-size: .95rem;
    border-radius: 0 0 var(--radius) var(--radius);
    z-index: 200;
}

    .skip-link:focus {
        position: fixed;
        left: 1rem;
        top: 0;
        width: auto;
        height: auto;
        text-decoration: none;
    }

:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 2px;
}

.container {
    width: min(1100px, 100% - 2rem);
    margin-inline: auto;
}

.badge {
    display: inline-block;
    font-size: .75rem;
    font-family: var(--font-mono);
    background: #21262d;
    border: 1px solid var(--clr-border);
    border-radius: 2em;
    padding: .2em .75em;
    color: var(--clr-accent);
    letter-spacing: .04em;
}

.badge-coming-soon {
    background: #2d1f0e;
    border-color: #d29922;
    color: #d29922;
}

/* ── Site header ─────────────────────────────────────────── */

.site-header {
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

    .site-header .container {
        display: grid;
        grid-template-columns: auto 1fr;
        align-items: center;
        gap: 1rem;
        padding-block: .85rem;
    }

.logo {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--clr-text);
    display: flex;
    align-items: center;
    gap: .4rem;
    white-space: nowrap;
}

    .logo span.prompt {
        color: var(--clr-accent);
    }

.site-nav {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

    .site-nav a {
        color: var(--clr-muted);
        font-size: .9rem;
        transition: color var(--transition);
    }

        .site-nav a:hover {
            color: var(--clr-text);
            text-decoration: none;
        }

/* ── Hero ────────────────────────────────────────────────── */

.hero {
    background: linear-gradient(160deg, var(--clr-hero-from), var(--clr-hero-to));
    border-bottom: 1px solid var(--clr-border);
    padding-block: 5rem 4rem;
}

    .hero .container {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

.hero-eyebrow {
    color: var(--clr-accent);
    font-family: var(--font-mono);
    font-size: .9rem;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -.02em;
}

    .hero h1 .highlight {
        background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

.hero-sub {
    font-size: 1.15rem;
    color: var(--clr-muted);
    max-width: 56ch;
    margin-inline: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Buttons ─────────────────────────────────────────────── */

.btn {
    display: inline-block;
    border-radius: var(--radius);
    padding: .65em 1.5em;
    font-size: .95rem;
    font-weight: 600;
    transition: opacity var(--transition), transform var(--transition);
    cursor: pointer;
}

    .btn:hover {
        opacity: .85;
        transform: translateY(-1px);
        text-decoration: none;
    }

.btn-primary {
    background: var(--clr-accent);
    color: #0d1117;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--clr-border);
    color: var(--clr-text);
}

/* ── Subtle container panels for transparent sections ──── */

.services .container,
.contact .container {
    background: linear-gradient(160deg, rgba(88, 166, 255, .05), rgba(188, 140, 255, .03));
    border-radius: calc(var(--radius) * 2);
    padding: 2rem;
}

/* ── Services / Cards ────────────────────────────────────── */

.services {
    padding-block: 5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

    .section-header h2 {
        font-size: clamp(1.5rem, 4vw, 2.25rem);
        font-weight: 700;
        margin-bottom: .5rem;
    }

    .section-header p {
        color: var(--clr-muted);
        max-width: 55ch;
        margin-inline: auto;
    }

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: calc(var(--radius) * 1.5);
    padding: 2rem;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 1rem;
    transition: border-color var(--transition), transform var(--transition);
}

    .card:hover {
        border-color: var(--clr-accent);
        transform: translateY(-3px);
    }

.card-icon {
    font-size: 2.25rem;
    line-height: 1;
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.card p {
    color: var(--clr-muted);
    font-size: .95rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}

/* ── Product sections (Burstadapter, ZenFlow) ────────────── */

.product-section {
    padding-block: 5rem;
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}

    .product-section .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
    }

.product-text h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.product-text p {
    color: var(--clr-muted);
    margin-bottom: 1.25rem;
}

.product-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-box {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}

    .stat-box .stat-value {
        font-size: 2rem;
        font-weight: 800;
        color: var(--clr-accent);
        font-family: var(--font-mono);
    }

    .stat-box .stat-label {
        font-size: .8rem;
        color: var(--clr-muted);
        margin-top: .25rem;
    }

/* ── Contact ─────────────────────────────────────────────── */

.contact {
    padding-block: 5rem;
    text-align: center;
}

    .contact h2 {
        font-size: clamp(1.5rem, 4vw, 2.25rem);
        font-weight: 700;
        margin-bottom: 1rem;
    }

    .contact p {
        color: var(--clr-muted);
        max-width: 50ch;
        margin-inline: auto;
        margin-bottom: 2rem;
    }

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

/* ── Contact form page ───────────────────────────────────── */

.container-narrow {
    max-width: 640px;
}

.form-page {
    padding-block: 4rem;
}

    .form-page h1 {
        font-size: clamp(1.75rem, 4vw, 2.5rem);
        font-weight: 800;
        margin-bottom: .75rem;
    }

.form-intro {
    color: var(--clr-muted);
    margin-bottom: 2.5rem;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: .4rem;
}

    .form-group label {
        font-size: .9rem;
        font-weight: 600;
        color: var(--clr-text);
    }

    .form-group input,
    .form-group textarea {
        background: var(--clr-surface);
        border: 1px solid var(--clr-border);
        border-radius: var(--radius);
        padding: .7em 1em;
        font-family: var(--font-sans);
        font-size: .95rem;
        color: var(--clr-text);
        transition: border-color var(--transition);
    }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--clr-accent);
            outline: 2px solid var(--clr-accent);
            outline-offset: -1px;
        }

    .form-group textarea {
        resize: vertical;
        min-height: 8rem;
    }

.form-guard {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

/* ── Impressum ───────────────────────────────────────────── */

.impressum {
    padding-block: 4rem 5rem;
}

    .impressum h1 {
        font-size: clamp(1.75rem, 4vw, 2.5rem);
        font-weight: 800;
        margin-bottom: .5rem;
    }

    .impressum h2 {
        font-size: 1.15rem;
        font-weight: 700;
    }

    .impressum h3 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: .25rem;
    }

    .impressum p {
        color: var(--clr-muted);
        max-width: 70ch;
    }

/* ── Site footer ─────────────────────────────────────────── */

.site-footer {
    border-top: 1px solid var(--clr-border);
    padding-block: 1.5rem;
}

    .site-footer .container {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1.5rem;
        flex-wrap: wrap;
    }

.footer-brand {
    font-family: var(--font-mono);
    font-size: .9rem;
    color: var(--clr-text);
}

    .footer-brand span {
        color: var(--clr-accent);
    }

.footer-tagline {
    font-size: .8rem;
    color: var(--clr-muted);
    padding-inline: 1.5rem;
    border-inline: 1px solid var(--clr-border);
}

.footer-links {
    display: flex;
    gap: 1rem;
}

    .footer-links a {
        font-size: .85rem;
        color: var(--clr-muted);
        transition: color var(--transition);
    }

        .footer-links a:hover {
            color: var(--clr-text);
            text-decoration: none;
        }

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 768px) {
    .site-header .container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
    }

    .site-nav {
        justify-content: space-between;
    }

    .product-section .container {
        grid-template-columns: 1fr;
    }

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

    .site-footer .container {
        flex-direction: column;
        text-align: center;
    }

    .footer-tagline {
        border-inline: none;
        padding-inline: 0;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-block: 3rem 2.5rem;
    }

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

    .product-visual {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 1024px) {
    .hero-cta {
        display: none !important;
    }
}


/* ── Background showcase spacer ──────────────────────────── */

.bg-spacer {
    height: 1024px;
    pointer-events: none;
}

/* ── Background crossfade (single centered image) ───────── */

.bg-grid {
    position: fixed;
    inset: 0;
    z-index: -1;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.07;
    pointer-events: none;
    overflow: hidden;
    transition: opacity 2.5s ease;
}

.bg-layer {
    position: absolute;
    max-width: 100vw;
    max-height: 100vh;
    width: auto;
    height: auto;
    opacity: 0;
    transition: transform 3s ease;
}

/* ── Background hover: approach effect ────────────────────── */

body:hover .bg-grid {
    opacity: 0.25;
    transition: opacity 2.5s ease 3s;
}

body:hover .bg-layer {
    transform: scale(1.15);
    transition: transform 3s ease 3s;
}

body:has(.container:hover) .bg-grid {
    opacity: 0.07;
    transition: opacity 1s ease;
}

body:has(.container:hover) .bg-layer {
    transform: scale(1);
    transition: transform 1s ease;
}