:root {
    --bg: #05060a;
    --bg-elevated: #0d1017;
    --bg-muted: #0b0d13;
    --border-subtle: #242938;
    --accent: #fbbf24;
    --accent-soft: rgba(251, 191, 36, 0.08);
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-soft: 0 22px 45px rgba(0, 0, 0, 0.45);
    --max-width: 1120px;
}

/* Reset-ish */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #111827 0, #020617 55%, #000 100%);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

/* Layout helpers */
.site-header,
.site-footer,
.section,
.hero {
    padding-inline: 1.5rem;
}

.site-header-inner,
.site-footer-inner,
.hero-inner,
.section-inner {
    max-width: var(--max-width);
    margin-inline: auto;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.6), transparent);
    border-bottom: 1px solid rgba(31, 41, 55, 0.8);
}

.site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 0.9rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.brand-logo {
    width: 32px;
    height: 32px;
}

.brand-text {
    font-weight: 600;
    font-size: 1.02rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text);
}

.site-nav {
    display: flex;
    gap: 1.2rem;
    font-size: 0.9rem;
}

.site-nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.25rem 0;
}

.site-nav a:hover {
    color: var(--text);
}

/* Hero */
.hero {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
    gap: 2.5rem;
    align-items: center;
}

.hero-copy h1 {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    line-height: 1.05;
    margin: 0 0 0.7rem;
}

.hero-eyebrow {
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 0.7rem;
}

.hero-tagline {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 32rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.3rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn.primary {
    background: radial-gradient(circle at top left, #facc15, #f97316);
    color: #111827;
    box-shadow: var(--shadow-soft);
}

.btn.primary:hover {
    filter: brightness(1.05);
}

.btn.ghost {
    background: transparent;
    border-color: rgba(148, 163, 184, 0.5);
    color: var(--text-muted);
}

.btn.ghost:hover {
    border-color: rgba(148, 163, 184, 0.9);
    color: var(--text);
}

/* Hero right panel */
.hero-panel {
    display: flex;
    justify-content: center;
}

.hero-card {
    border-radius: var(--radius-xl);
    padding: 1.3rem 1.4rem 1.4rem;
    background:
        radial-gradient(circle at top left, rgba(148, 163, 184, 0.3), transparent 55%),
        radial-gradient(circle at bottom right, rgba(251, 191, 36, 0.18), transparent 60%),
        var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-soft);
    max-width: 360px;
}

.hero-card h2 {
    margin-top: 0;
    margin-bottom: 0.7rem;
    font-size: 1.05rem;
}

.hero-card ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.hero-card li {
    position: relative;
    padding-left: 1.3rem;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 999px;
    background: radial-gradient(circle, #facc15, #f97316);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

/* Sections */
.section {
    padding-block: 2.5rem;
}

.section-muted {
    background: radial-gradient(circle at center, #020617, #020617);
    border-top: 1px solid rgba(31, 41, 55, 0.9);
}

.section-inner h2 {
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 0.6rem;
}

.section-inner p {
    color: var(--text-muted);
    max-width: 42rem;
}

/* Feature grid */
.section-grid .feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
    margin-top: 1.2rem;
}

.feature-card {
    background: var(--bg-muted);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31, 41, 55, 0.9);
    padding: 1rem 1.1rem;
}

.feature-card h3 {
    margin-top: 0;
    margin-bottom: 0.4rem;
    font-size: 1rem;
}

.feature-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Project list */
.project-list {
    color: var(--text-muted);
    padding-left: 1.1rem;
}

.project-list li + li {
    margin-top: 0.35rem;
}

.project-note {
    margin-top: 0.9rem;
}

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

.project-note a:hover {
    text-decoration: underline;
}

/* Footer */
.site-footer {
    padding-block: 1.6rem;
    border-top: 1px solid rgba(31, 41, 55, 0.9);
    background: radial-gradient(circle at top, #020617, #000);
}

.site-footer-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 800px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-panel {
        order: -1;
        margin-bottom: 1.3rem;
    }

    .site-nav {
        display: none; /* für den Anfang kein Mobile-Menü */
    }

    .section-grid .feature-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

.feature-card {
    background:
        radial-gradient(circle at top left, rgba(148, 163, 184, 0.20), transparent 55%),
        radial-gradient(circle at bottom right, rgba(251, 191, 36, 0.10), transparent 60%),
        var(--bg-muted);
    border-radius: var(--radius-xl); /* vorher: var(--radius-lg) */
    border: 1px solid rgba(31, 41, 55, 0.8);
    padding: 1rem 1.1rem;
}

.feature-icon {
    font-size: 1.05rem;
    line-height: 1;
}

.status-card {
    max-width: 640px;
    margin: 0 auto;
    padding: 1.4rem 1.6rem 1.5rem;
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at top left, rgba(148, 163, 184, 0.25), transparent 55%),
        radial-gradient(circle at bottom right, rgba(251, 191, 36, 0.14), transparent 60%),
        var(--bg-muted);
    border: 1px solid rgba(31, 41, 55, 0.9);
    box-shadow: var(--shadow-soft);
}

.status-card h2 {
    margin-top: 0;
    margin-bottom: 0.6rem;
}

.status-card .project-note {
    margin-top: 0.9rem;
}