:root {
    --bg: #0d0d0d;
    --surface: #1a1a1a;
    --surface-2: #161616;
    --border: #333;
    --text: #e0e0e0;
    --muted: #8a8a8a;
    --accent: #89cff0;
    --accent-2: #a7dbf5;
    --accent-dim: rgba(137, 207, 240, 0.14);
    --radius: 18px;
    --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: #fff; line-height: 1.2; }

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

img { max-width: 100%; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 999px;
    padding: 14px 26px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0a;
    box-shadow: 0 6px 24px rgba(137, 207, 240, 0.25);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(137, 207, 240, 0.35); }

.btn-secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--accent); color: #fff; transform: translateY(-2px); }

.btn-sm { padding: 9px 16px; font-size: 0.9rem; }

/* ---- Header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 14px clamp(16px, 4vw, 40px);
    background: rgba(13, 13, 13, 0.82);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 11px; }
.brand-logo { width: 38px; height: 38px; border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; gap: 1px; }
.brand-name { font-weight: 200; font-size: 1.2rem; color: var(--accent); letter-spacing: 5px; text-indent: 5px; line-height: 1.1; }
.brand-sub { font-weight: 300; font-size: 0.52rem; color: var(--muted); letter-spacing: 2px; text-indent: 2px; text-transform: uppercase; }

.site-nav { display: flex; gap: 22px; margin-left: 18px; }
.site-nav a { color: var(--muted); font-size: 0.92rem; padding: 4px 2px; border-bottom: 2px solid transparent; transition: color 0.15s ease, border-color 0.15s ease; }
.site-nav a:hover { color: #fff; }
.site-nav a.active { color: var(--accent); border-bottom-color: var(--accent); }

.header-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.lang-toggle { display: flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.lang-toggle button {
    background: none; border: none; color: var(--muted);
    padding: 6px 12px; font: inherit; font-size: 0.82rem; font-weight: 600; cursor: pointer;
}
.lang-toggle button.active { background: var(--accent-dim); color: var(--accent); }

/* ---- Hero ---- */
.hero { position: relative; overflow: hidden; padding: clamp(60px, 12vw, 130px) clamp(16px, 4vw, 40px) clamp(40px, 8vw, 90px); text-align: center; }
.hero-glow {
    position: absolute; top: -30%; left: 50%; transform: translateX(-50%);
    width: 900px; height: 900px; max-width: 140vw;
    background: radial-gradient(circle, rgba(137, 207, 240, 0.16), transparent 60%);
    pointer-events: none;
}
.hero-inner { position: relative; max-width: 760px; margin: 0 auto; }

.eyebrow {
    display: inline-block; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.6px;
    text-transform: uppercase; color: var(--accent);
    background: var(--accent-dim); padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}

.hero h1 { font-size: clamp(2rem, 5.4vw, 3.4rem); margin: 0 0 18px; }
.hero-sub { font-size: clamp(1rem, 2.2vw, 1.2rem); color: var(--text); max-width: 620px; margin: 0 auto 30px; }

.signup { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; }
.signup input {
    flex: 1; min-width: 200px;
    background: var(--surface); border: 1px solid var(--border); color: var(--text);
    border-radius: 999px; padding: 14px 20px; font: inherit;
}
.signup input:focus { outline: none; border-color: var(--accent); }
.signup .btn { flex-shrink: 0; }

.signup-note { font-size: 0.85rem; color: var(--muted); margin: 14px 0 0; }
.disclaimer-mini { font-size: 0.78rem; color: var(--muted); margin: 22px 0 0; opacity: 0.8; }

/* ---- Stats ---- */
.stats {
    display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(20px, 6vw, 70px);
    padding: 30px clamp(16px, 4vw, 40px) 40px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    max-width: var(--maxw); margin: 0 auto;
}
.stat { text-align: center; }
.stat b { display: block; font-size: clamp(1.6rem, 4vw, 2.2rem); color: var(--accent); }
.stat span { font-size: 0.9rem; color: var(--muted); }

/* ---- Sections ---- */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(50px, 9vw, 90px) clamp(16px, 4vw, 40px); }
.section > h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); text-align: center; margin: 0 0 12px; }
.section-sub { text-align: center; color: var(--muted); max-width: 560px; margin: 0 auto 44px; }

/* ---- Cards ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 26px 24px; transition: transform 0.15s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(137, 207, 240, 0.4); }
.card-ico {
    width: 46px; height: 46px; border-radius: 13px; background: var(--accent-dim); color: var(--accent);
    display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 16px;
}
.card-ico svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.12rem; margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0; font-size: 0.95rem; }

/* ---- Why different ---- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.why-item { text-align: center; padding: 26px 20px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); }
.why-ico {
    display: inline-flex; align-items: center; justify-content: center;
    width: 52px; height: 52px; border-radius: 50%; background: var(--accent-dim);
    color: var(--accent); font-size: 24px; margin-bottom: 14px;
}
.why-item h3 { font-size: 1.05rem; margin: 0 0 7px; }
.why-item p { color: var(--muted); margin: 0; font-size: 0.92rem; }

/* ---- Mission / Impact ---- */
.impact-card {
    max-width: 760px; margin: 0 auto; text-align: center;
    background: linear-gradient(160deg, rgba(137, 207, 240, 0.1), var(--surface));
    border: 1px solid rgba(137, 207, 240, 0.3); border-radius: 24px;
    padding: clamp(34px, 6vw, 56px) clamp(20px, 5vw, 50px);
}
.impact-card .eyebrow { margin-bottom: 16px; }
.impact-card h2 { margin: 0 0 16px; font-size: clamp(1.5rem, 4vw, 2.1rem); }
.impact-lead { font-size: clamp(1.05rem, 2.4vw, 1.25rem); color: #fff; line-height: 1.6; margin: 0 0 14px; }
.impact-lead b { color: var(--accent); }
.impact-note { color: var(--muted); margin: 0 auto 26px; max-width: 600px; }
.impact-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Spenden-Ring (Ticker) */
.donation-ring-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; margin: 10px auto 30px; }
.donation-ring { position: relative; width: 170px; height: 170px; }
.donation-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.donation-ring .track { fill: none; stroke: var(--border); stroke-width: 9; }
.donation-ring .arc { fill: none; stroke: var(--accent); stroke-width: 9; stroke-linecap: round; transition: stroke-dashoffset 0.6s ease; }
.donation-ring .ring-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
.donation-ring .amount { font-size: 2.2rem; font-weight: 700; color: var(--accent); line-height: 1; }
.donation-ring .ring-label { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.4px; }
.donation-since { color: var(--muted); font-size: 0.82rem; margin: 0; text-align: center; }

/* kompakter Ring auf der Startseite */
.impact-ring { display: inline-flex; align-items: center; gap: 14px; margin: 4px auto 24px; padding: 12px 20px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; }
.impact-ring .mini { position: relative; width: 46px; height: 46px; flex-shrink: 0; }
.impact-ring .mini svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.impact-ring .mini .track { fill: none; stroke: var(--border); stroke-width: 10; }
.impact-ring .mini .arc { fill: none; stroke: var(--accent); stroke-width: 10; stroke-linecap: round; }
.impact-ring .txt { text-align: left; line-height: 1.2; }
.impact-ring .txt b { color: var(--accent); font-size: 1.05rem; }
.impact-ring .txt span { display: block; color: var(--muted); font-size: 0.78rem; }

/* Impact-Unterseite: Spendenliste */
.donation-log { max-width: 700px; margin: 30px auto 0; }
.donation-empty {
    text-align: center; color: var(--muted); background: var(--surface);
    border: 1px dashed var(--border); border-radius: var(--radius); padding: 30px 20px;
}
.donation-item {
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
    padding: 16px 20px; margin-bottom: 12px;
}
.donation-item .d-amount { color: var(--accent); font-weight: 700; font-size: 1.2rem; white-space: nowrap; }

/* ---- News ---- */
.news-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.news-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 24px; }
.news-item .news-date { font-size: 0.8rem; color: var(--accent); font-weight: 600; letter-spacing: 0.4px; }
.news-item h3 { margin: 6px 0 10px; font-size: 1.2rem; }
.news-item p { color: var(--muted); margin: 0; }
.news-empty { text-align: center; color: var(--muted); }

/* ---- FAQ ---- */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
    padding: 4px 20px; transition: border-color 0.2s ease;
}
.faq-item[open] { border-color: rgba(137, 207, 240, 0.4); }
.faq-item summary {
    cursor: pointer; list-style: none; padding: 16px 0; font-weight: 600; color: #fff;
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; font-weight: 300; transition: transform 0.2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--muted); margin: 0 0 16px; }

/* ---- Story ---- */
.story { text-align: center; }
.story-inner .eyebrow { margin-bottom: 16px; }

/* zarter Story-Teaser auf der Produktseite */
.story-mini { max-width: 560px; margin: 0 auto; text-align: center; }
.story-mini p { color: var(--muted); font-size: 0.86rem; margin: 0 0 8px; opacity: 0.8; }
.story-link { font-size: 0.88rem; font-weight: 600; }
.story-link:hover { color: var(--accent-2); }

/* ---- Story-Seite (Langtext) ---- */
.story-back { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 0.9rem; margin-left: 18px; }
.story-back:hover { color: #fff; }
.longread { max-width: 740px; margin: 0 auto; padding: clamp(40px, 7vw, 70px) clamp(16px, 4vw, 40px); }
.longread .eyebrow { display: inline-block; margin-bottom: 18px; }
.longread h1 { font-size: clamp(1.8rem, 4.5vw, 2.6rem); margin: 0 0 22px; }
.longread .lead { font-size: clamp(1.05rem, 2.4vw, 1.25rem); color: #fff; line-height: 1.6; margin-bottom: 10px; }
.longread h2 { font-size: clamp(1.25rem, 3vw, 1.55rem); margin: 40px 0 12px; color: var(--accent); }
.longread p { color: var(--text); font-size: 1.05rem; line-height: 1.7; margin: 0 0 16px; }
.story-sig { margin-top: 30px; color: var(--muted); font-style: italic; }
.story-cta { text-align: center; margin: 46px 0 10px; }
.story-disclaimer { font-size: 0.8rem; color: var(--muted); opacity: 0.8; text-align: center; margin-top: 26px; }
.story-inner {
    max-width: 720px; margin: 0 auto; background: var(--surface-2);
    border: 1px solid var(--border); border-left: 4px solid var(--accent);
    border-radius: var(--radius); padding: clamp(28px, 5vw, 48px);
}
.story-inner h2 { margin-top: 0; }
.story-inner p { color: var(--text); font-size: 1.05rem; }
.story-inner p:last-child { margin-bottom: 0; }

/* ---- Steps ---- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.step { text-align: center; padding: 10px; }
.step-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 50%; background: var(--accent); color: #0a0a0a;
    font-size: 1.3rem; font-weight: 700; margin-bottom: 16px;
}
.step h3 { font-size: 1.15rem; margin: 0 0 8px; }
.step p { color: var(--muted); margin: 0; }

/* ---- Final CTA ---- */
.cta-final { text-align: center; }
.cta-card {
    background: linear-gradient(160deg, rgba(137, 207, 240, 0.12), var(--surface));
    border: 1px solid rgba(137, 207, 240, 0.3); border-radius: 24px;
    padding: clamp(36px, 6vw, 60px) clamp(20px, 5vw, 50px); max-width: 720px; margin: 0 auto;
}
.cta-card h2 { margin-top: 0; }
.cta-card .signup { margin-top: 26px; }
.cta-card .section-sub, .cta-card p { color: var(--text); }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--border); padding: 40px clamp(16px, 4vw, 40px); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.footer-inner .brand { justify-content: center; margin-bottom: 14px; }
.footer-disclaimer { color: var(--muted); font-size: 0.85rem; max-width: 640px; margin: 0 auto 14px; }
.footer-copy { color: var(--muted); font-size: 0.82rem; margin: 0; }
.footer-legal { color: var(--muted); font-size: 0.82rem; margin: 8px 0 0; }
.footer-legal a { color: var(--muted); }
.footer-legal a:hover { color: var(--accent); }
.signup-privacy { color: var(--muted); font-size: 0.78rem; margin: 8px auto 0; max-width: 520px; }

/* ---- Social-Links ---- */
.footer-social { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin: 4px 0 20px; }
.social-link {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid var(--border); color: var(--muted);
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.social-link svg { width: 17px; height: 17px; }
.social-link:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); transform: translateY(-2px); }
.social-link.disabled { opacity: 0.35; cursor: default; pointer-events: none; }

/* ---- Toast ---- */
.toast {
    position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
    background: var(--accent); color: #0a0a0a; font-weight: 600;
    padding: 14px 22px; border-radius: 999px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    opacity: 0; pointer-events: none; transition: opacity 0.25s ease, transform 0.25s ease; z-index: 100;
    max-width: calc(100vw - 32px); text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 680px) {
    .site-nav { display: none; }
}