/* Streckenplaner – Landingpage
   Ruhig und clean, an der App orientiert. Hell + Dunkel über prefers-color-scheme. */

:root {
    --bg: #f5f7fa;
    --card: #ffffff;
    --text: #16202e;
    --muted: #5c6675;
    --accent: #1668d8;
    --accent-weak: rgba(22, 104, 216, 0.10);
    --border: #e5e9f0;
    --ok: #2f9e44;
    --shadow: 0 1px 2px rgba(16, 32, 60, 0.06), 0 10px 30px rgba(16, 32, 60, 0.05);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1220;
        --card: #151f30;
        --text: #eef3fb;
        --muted: #9aa7ba;
        --accent: #4d94ff;
        --accent-weak: rgba(77, 148, 255, 0.14);
        --border: #24314a;
        --ok: #4cc264;
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.30), 0 10px 30px rgba(0, 0, 0, 0.25);
    }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
img { max-width: 100%; display: block; }

.wrap {
    width: min(680px, calc(100% - 40px));
    margin: 0 auto;
}

/* Hero */
.hero {
    text-align: center;
    padding: 72px 0 48px;
}
.app-icon {
    width: 108px;
    height: 108px;
    border-radius: 24px;
    margin: 0 auto 22px;
    box-shadow: var(--shadow);
}
.hero h1 {
    font-size: 34px;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}
.hero .lead {
    font-size: 18px;
    color: var(--muted);
    max-width: 30rem;
    margin: 0 auto 26px;
}

.store-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.btn.small { padding: 9px 18px; font-size: 14px; }

/* Chips */
.chips {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}
.chips li {
    padding: 6px 13px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 14px;
    color: var(--muted);
    background: var(--card);
}

/* Abschnitte */
section { padding: 26px 0; }
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
}
section h2 {
    font-size: 22px;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}
section p { color: var(--muted); }
section h2 + p { margin-bottom: 0; }

/* Karte */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 8px 20px;
}

/* Feature-Liste – wie eine Liste in der App */
.feature-list { list-style: none; }
.feature-list li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list .ic {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border-radius: 10px;
    background: var(--accent-weak);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
}
.feature-list strong { display: block; font-weight: 600; }
.feature-list span { color: var(--muted); font-size: 15px; }

/* Wofür/Wie/Warum – schlichte kleine Karten */
.trio { display: grid; gap: 12px; }
.trio .card { padding: 18px 20px; }
.trio .eyebrow { margin-bottom: 6px; }
.trio p { font-size: 15px; }

/* Screenshots */
.shots {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 6px;
}
.shots img,
.shots .ph {
    height: 420px;
    border-radius: 22px;
    flex-shrink: 0;
}
.shots img { border: 1px solid var(--border); }
.shots .ph {
    width: 205px;
    border: 2px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 14px;
    text-align: center;
    padding: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    padding: 13px 26px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 600;
    transition: opacity .2s;
}
.btn:hover { opacity: .88; }
.btn.ghost {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

/* Unterstützen / Kontakt */
.cta { text-align: center; padding: 30px 24px; }
.cta h2 { margin-bottom: 10px; }
.cta p { margin-bottom: 20px; }
.contact { padding: 24px; }
.contact h2 { margin-bottom: 8px; }
.contact a { font-weight: 600; word-break: break-all; }

/* Footer */
footer {
    border-top: 1px solid var(--border);
    margin-top: 40px;
    padding: 26px 0 56px;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
}
footer .legal a { margin: 0 10px; }
footer .copy { margin-top: 12px; }

/* Rechtstexte */
.doc { padding: 48px 0; }
.doc .back { display: inline-block; margin-bottom: 26px; color: var(--muted); text-decoration: none; }
.doc h1 { font-size: 28px; margin-bottom: 22px; letter-spacing: -0.01em; }
.doc h2 { font-size: 18px; margin: 26px 0 8px; }
.doc p, .doc li { color: var(--text); margin-bottom: 10px; }
.doc ul { padding-left: 22px; }
.doc .note { color: var(--muted); font-size: 14px; margin-top: 28px; }

/* Formular (Android-Tester) */
.form { display: grid; gap: 16px; margin-top: 28px; }
.form-field { display: grid; gap: 6px; }
.form-field label { font-size: 15px; font-weight: 600; }
.form-field .hint { font-weight: 400; color: var(--muted); font-size: 13px; }
.form input,
.form textarea {
    font: inherit;
    color: var(--text);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    width: 100%;
}
.form input::placeholder,
.form textarea::placeholder { color: var(--muted); opacity: .7; }
.form input:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-weak);
}
.form textarea { min-height: 100px; resize: vertical; }
.form .btn { justify-self: start; border: none; cursor: pointer; margin-top: 4px; }
.form-ok { display: none; color: var(--ok); font-weight: 600; margin-top: 18px; }
.form-note { color: var(--muted); font-size: 14px; margin-top: 20px; }

@media (max-width: 520px) {
    .hero { padding-top: 48px; }
    .hero h1 { font-size: 29px; }
    .shots img, .shots .ph { height: 360px; }
}