:root {
    --navy-deep: #070d1a;
    --navy-base: #0f172a;
    --surface: #1e293b;
    --surface-hover: #293548;
    --border: #334155;
    --border-subtle: #1a2540;
    --emerald: #34d399;
    --emerald-soft: #6ee7b7;
    --violet: #a78bfa;
    --text: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--navy-deep);
    line-height: 1.6;
}

a {
    color: var(--emerald);
}

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--emerald);
    margin-bottom: 0.6rem;
}

/* ── Header ───────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.1rem 1.5rem;
    max-width: 76rem;
    margin: 0 auto;
    background: rgba(7, 13, 26, 0.75);
    backdrop-filter: blur(10px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    text-decoration: none;
    margin-right: auto;
}

.brand img {
    border-radius: 6px;
}

.brand .accent {
    color: var(--emerald);
}

.site-nav {
    display: flex;
    gap: 1.5rem;
}

.site-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.15s ease;
}

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

/* ── Buttons ──────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn-primary {
    background: var(--emerald);
    color: var(--navy-deep);
}

.btn-primary:hover {
    background: var(--emerald-soft);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover, #475569);
}

/* ── Hero ─────────────────────────────────────────────── */
.hero {
    max-width: 76rem;
    margin: 0 auto;
    padding: 3.5rem 1.5rem 5rem;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-copy h1 {
    font-size: clamp(2.1rem, 4vw, 3.1rem);
    margin: 0 0 1.1rem;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.hero-copy p {
    max-width: 34rem;
    color: var(--text-secondary);
    font-size: 1.08rem;
    margin: 0 0 1.75rem;
}

.hero-actions {
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
}

/* Product glimpse — real app screenshot in a browser-style frame */
.hero-visual {
    display: flex;
    justify-content: center;
}

.mock-window {
    width: 100%;
    max-width: 26rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 30px 60px -20px rgba(52, 211, 153, 0.18);
}

.mock-chrome {
    display: flex;
    gap: 0.4rem;
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid var(--border-subtle);
}

.mock-chrome-dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--border);
}

.mock-window img {
    display: block;
    width: 100%;
    height: auto;
}

/* ── Screenshots ──────────────────────────────────────── */
.screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
    gap: 1.5rem;
}

.screenshot-card {
    margin: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.screenshot-card img {
    display: block;
    width: 100%;
    height: auto;
    border-bottom: 1px solid var(--border-subtle);
}

.screenshot-card figcaption {
    padding: 0.85rem 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ── Section shells ───────────────────────────────────── */
main section {
    max-width: 76rem;
    margin: 0 auto;
    padding: 0 1.5rem 4.5rem;
}

.section-head {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-head h2 {
    font-size: clamp(1.6rem, 2.8vw, 2.1rem);
    margin: 0;
    letter-spacing: -0.01em;
    max-width: 40rem;
    margin: 0 auto;
}

/* ── Personas ─────────────────────────────────────────── */
.personas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 1.25rem;
}

.persona {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.75rem;
}

.persona-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--navy-deep);
    background: var(--emerald);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    margin-bottom: 0.9rem;
}

.persona p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.96rem;
}

/* ── Features ─────────────────────────────────────────── */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1.25rem;
}

.feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.6rem;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.feature:hover {
    border-color: var(--border-hover, #475569);
    transform: translateY(-2px);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 10px;
    margin-bottom: 0.9rem;
}

.feature-icon svg {
    width: 1.35rem;
    height: 1.35rem;
}

.icon-emerald {
    background: rgba(52, 211, 153, 0.12);
    color: var(--emerald);
}

.icon-violet {
    background: rgba(167, 139, 250, 0.12);
    color: var(--violet);
}

.feature h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

.feature p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.93rem;
}

/* ── Steps ────────────────────────────────────────────── */
.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 1.5rem;
}

.step {
    position: relative;
    padding-top: 0.5rem;
}

.step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--emerald);
    color: var(--emerald);
    font-weight: 700;
    margin-bottom: 1rem;
}

.step h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

.step p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.93rem;
}

/* ── CTA ──────────────────────────────────────────────── */
.cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.1), rgba(167, 139, 250, 0.1));
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 3.25rem 1.5rem;
}

.cta h2 {
    margin-top: 0;
    font-size: clamp(1.5rem, 2.6vw, 2rem);
}

.cta p {
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
}

/* ── Footer ───────────────────────────────────────────── */
footer {
    max-width: 76rem;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    border-top: 1px solid var(--border-subtle);
}

.brand-footer {
    font-size: 1rem;
    margin-right: 0;
}

footer a {
    color: var(--text-muted);
}

footer a:hover {
    color: var(--text);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 860px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 2.5rem;
    }

    .hero-copy p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .site-nav {
        display: none;
    }
}

/* ── Legal pages (Impressum / Datenschutz) ───────────────── */
.legal-main {
    max-width: 42rem;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

.legal-main h1 {
    font-size: clamp(1.7rem, 3vw, 2.2rem);
    margin: 0 0 2rem;
    letter-spacing: -0.01em;
}

.legal-main h2 {
    font-size: 1.15rem;
    margin: 2.25rem 0 0.75rem;
}

.legal-main p {
    color: var(--text-secondary);
    margin: 0 0 0.9rem;
}

.legal-main address {
    font-style: normal;
    color: var(--text-secondary);
    margin: 0 0 0.9rem;
}

.legal-main a {
    color: var(--emerald);
}
