/* NZA & RMS — Benutzerhandbuch
   OSP-CI Glass Layer (mirror of /rms/css/style.css)
   Primary: #0080C9 | Accent: #DC500F */

/* ============================================================
   DESIGN-TOKENS
   ============================================================ */
:root, [data-theme="light"] {
    --primary:        #0080C9;
    --primary-dark:   #005f97;
    --primary-soft:   #e6f3fb;
    --accent:         #DC500F;
    --accent-dark:    #a83b08;
    --accent-soft:    #fdeee5;

    --st-done:         #16a34a;
    --st-done-soft:    #dcfce7;
    --st-work:         #d97706;
    --st-work-soft:    #fef3c7;
    --st-crit:         #dc2626;
    --st-crit-soft:    #fee2e2;

    --aurora-1: #0080C9;
    --aurora-2: #5fb4dc;
    --aurora-3: #DC500F;

    --glass-bg:       rgba(255,255,255,0.72);
    --glass-bg-solid: rgba(255,255,255,0.94);
    --glass-border:   rgba(0,128,201,0.15);
    --glass-shadow:   0 4px 16px rgba(0,128,201,0.08);
    --glass-blur:     blur(18px) saturate(150%);

    --hdr-bg:     rgba(0,128,201,0.92);

    --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:  0 4px 12px rgba(14,30,52,0.08);
    --shadow-xl:  0 12px 36px -8px rgba(0,128,201,0.18);

    --bg:          #f4f7fa;
    --surface:     #ffffff;
    --text:        #0f172a;
    --text-muted:  #475569;
    --text-subtle: #94a3b8;
    --border:      #e2e8f0;

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 14px;

    --font-display: 'Montserrat', system-ui, sans-serif;
    --font-body:    'Open Sans', system-ui, sans-serif;
}

[data-theme="dark"] {
    --primary:      #1ea3ec;
    --primary-dark: #1580c5;
    --primary-soft: rgba(30,163,236,0.16);
    --accent:       #ff7a3d;
    --accent-dark:  #e0581e;
    --accent-soft:  rgba(255,122,61,0.16);

    --glass-bg:       rgba(15,23,42,0.72);
    --glass-bg-solid: rgba(15,23,42,0.94);
    --glass-border:   rgba(30,163,236,0.20);
    --glass-shadow:   0 4px 16px rgba(0,0,0,0.35);

    --hdr-bg:     rgba(15,23,42,0.92);

    --bg:          #0a0f1a;
    --surface:     #111827;
    --text:        #e2e8f0;
    --text-muted:  #94a3b8;
    --text-subtle: #64748b;
    --border:      rgba(148,163,184,0.20);

    --shadow-md:  0 4px 12px rgba(0,0,0,0.40);
    --shadow-xl:  0 12px 36px -8px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    overflow: hidden;
}

/* Aurora-Hintergrund (gedämpfte Farbflecken) */
body::before {
    content: '';
    position: fixed; inset: 0;
    background:
        radial-gradient(800px circle at 12% 18%, rgba(0,128,201,0.10), transparent 55%),
        radial-gradient(700px circle at 88% 30%, rgba(95,180,220,0.08), transparent 55%),
        radial-gradient(900px circle at 50% 95%, rgba(220,80,15,0.06), transparent 55%);
    pointer-events: none;
    z-index: 0;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.app {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: 64px 1fr 56px;
    grid-template-areas:
        "header header"
        "sidebar main"
        "sidebar footer";
    height: 100vh;
}

/* HEADER */
.app-header {
    grid-area: header;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
    background: var(--hdr-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid rgba(255,255,255,0.10);
    color: #fff;
    box-shadow: var(--shadow-md);
}
.app-header .logo-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.app-header .logo-row img {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: rgba(255,255,255,0.92);
    padding: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.app-header h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    margin: 0;
    letter-spacing: 0.2px;
}
.app-header .subtitle {
    font-size: 12.5px;
    opacity: 0.85;
    margin-left: 4px;
}
.app-header .spacer { flex: 1; }
.app-header .header-actions { display: flex; gap: 8px; align-items: center; }
.icon-btn {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    color: #fff;
    width: 36px; height: 36px;
    border-radius: 9px;
    cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: background 180ms ease, transform 180ms ease;
}
.icon-btn:hover { background: rgba(255,255,255,0.22); transform: translateY(-1px); }
.icon-btn svg { width: 18px; height: 18px; }

/* SIDEBAR */
.sidebar {
    grid-area: sidebar;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    padding: 18px 14px;
    overflow-y: auto;
}
.sidebar h2 {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--text-subtle);
    margin: 14px 8px 8px;
}
.nav-list { list-style: none; padding: 0; margin: 0; }
.nav-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    margin-bottom: 4px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    color: var(--text-muted);
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
    border: 1px solid transparent;
}
.nav-list li:hover {
    background: var(--primary-soft);
    color: var(--text);
    transform: translateX(2px);
}
.nav-list li.active {
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 600;
    border-color: var(--glass-border);
}
.nav-list li.active::before {
    content: '';
    width: 4px; height: 22px;
    background: var(--accent);
    border-radius: 4px;
    display: inline-block;
    margin-left: -4px;
    margin-right: 6px;
}
.nav-list .nav-num {
    width: 22px; height: 22px;
    background: var(--primary);
    color: #fff;
    border-radius: 6px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-display);
    flex-shrink: 0;
}
.nav-list li.active .nav-num { background: var(--accent); }

/* MAIN */
.main {
    grid-area: main;
    overflow: auto;
    padding: 28px 36px;
    position: relative;
}

/* SLIDE */
.slide {
    max-width: 1280px;
    margin: 0 auto;
    background: var(--glass-bg-solid);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 32px 40px;
    min-height: calc(100vh - 64px - 56px - 56px);
    display: none;
    animation: fadeIn 350ms ease;
}
.slide.active { display: block; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.chapter-tag {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}
.slide h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 30px;
    margin: 0 0 6px;
    color: var(--text);
    letter-spacing: -0.2px;
}
.slide .lead {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.55;
    margin: 0 0 24px;
    max-width: 820px;
}

/* TITLE SLIDE */
.title-slide {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 40px;
}
.title-slide.active { display: flex; }
.title-icons {
    display: flex; gap: 36px; margin-bottom: 36px;
}
.title-icon-card {
    width: 144px; height: 144px;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    display: flex; align-items: center; justify-content: center;
    padding: 22px;
    transition: transform 300ms var(--ease-out, ease), box-shadow 300ms ease;
    animation: floatIn 600ms ease;
}
.title-icon-card:hover { transform: translateY(-6px) scale(1.03); }
.title-icon-card img { width: 100%; height: 100%; object-fit: contain; }
@keyframes floatIn {
    from { opacity: 0; transform: translateY(20px) scale(0.92); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.title-slide h1 {
    font-size: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 10px;
    letter-spacing: -1px;
}
.title-slide .subtitle {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 32px;
}
.title-slide .meta {
    color: var(--text-muted);
    font-size: 13.5px;
    line-height: 1.7;
}
.title-slide .start-hint {
    margin-top: 40px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    border: 1px solid var(--glass-border);
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-display);
    display: inline-flex; align-items: center; gap: 8px;
}
.title-slide .start-hint kbd {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 11px;
    font-family: var(--font-body);
}

/* ============================================================
   SCREENSHOT + CALLOUTS
   ============================================================ */
.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
    gap: 28px;
    align-items: start;
}

.screenshot-frame {
    position: relative;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow-md);
    cursor: zoom-in;
}
.screenshot-frame img {
    display: block;
    width: 100%;
    height: auto;
}
.screenshot-frame .browser-bar {
    height: 28px;
    background: linear-gradient(180deg, #f6f8fb 0%, #eef1f6 100%);
    display: flex; align-items: center;
    padding: 0 10px;
    border-bottom: 1px solid var(--border);
}
[data-theme="dark"] .screenshot-frame .browser-bar {
    background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
    border-bottom-color: rgba(148,163,184,0.18);
}
.browser-bar .dot {
    width: 10px; height: 10px; border-radius: 50%;
    margin-right: 6px;
}
.browser-bar .dot.r { background: #fc6058; }
.browser-bar .dot.y { background: #fdbb2e; }
.browser-bar .dot.g { background: #2bc840; }
.browser-bar .url {
    margin-left: 14px;
    font-family: 'Fira Code', monospace;
    font-size: 11px;
    color: var(--text-subtle);
}

/* HOTSPOTS — schlank und präzise */
.hotspot {
    position: absolute;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 11px;
    line-height: 1;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 2px rgba(255,255,255,0.85), 0 0 0 4px rgba(220,80,15,0.45), 0 2px 6px rgba(220,80,15,0.4);
    transition: transform 200ms var(--ease-out, ease), box-shadow 200ms ease;
    z-index: 5;
    animation: pulse 2.4s ease-in-out infinite;
    user-select: none;
}
.hotspot:hover, .hotspot.is-active {
    transform: translate(-50%, -50%) scale(1.22);
    box-shadow: 0 0 0 2px rgba(255,255,255,0.95), 0 0 0 5px rgba(220,80,15,0.55), 0 6px 14px rgba(220,80,15,0.6);
    animation: none;
    z-index: 6;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 2px rgba(255,255,255,0.85), 0 0 0 4px rgba(220,80,15,0.45), 0 2px 6px rgba(220,80,15,0.4); }
    50%      { box-shadow: 0 0 0 2px rgba(255,255,255,0.85), 0 0 0 8px rgba(220,80,15,0.10), 0 2px 6px rgba(220,80,15,0.4); }
}

/* CALLOUT LIST */
.callout-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.callout-item {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: background 180ms ease, transform 180ms ease, border-color 180ms ease;
}
.callout-item:hover {
    background: var(--surface);
    transform: translateX(-3px);
}
.callout-item.is-active {
    background: var(--accent-soft);
    border-color: var(--accent);
    transform: translateX(-3px);
}
.callout-num {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.callout-item.is-active .callout-num { background: var(--accent); }
.callout-text strong {
    font-family: var(--font-display);
    display: block;
    font-size: 14px;
    color: var(--text);
    margin-bottom: 2px;
}
.callout-text span {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* FOOTER */
.app-footer {
    grid-area: footer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border);
}
.footer-left, .footer-right { display: flex; align-items: center; gap: 12px; }
.progress-bar {
    width: 240px;
    height: 6px;
    background: var(--primary-soft);
    border-radius: 999px;
    overflow: hidden;
}
.progress-bar > div {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 350ms ease;
}
.slide-counter {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-muted);
}
.nav-btn {
    background: var(--surface);
    color: var(--primary-dark);
    border: 1px solid var(--glass-border);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex; align-items: center; gap: 6px;
    transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.nav-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,128,201,0.25);
}
.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}
.nav-btn:disabled:hover { background: var(--surface); color: var(--primary-dark); box-shadow: none; }

/* LIGHTBOX (mit Hotspots) */
.lightbox {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.88);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.lightbox.is-open { display: flex; }
.lightbox-frame {
    position: relative;
    max-width: 95vw;
    max-height: 92vh;
    box-shadow: 0 20px 80px rgba(0,0,0,0.6);
    border-radius: var(--radius);
    border: 2px solid rgba(255,255,255,0.10);
    overflow: hidden;
}
.lightbox-frame img {
    display: block;
    max-width: 95vw;
    max-height: 92vh;
    width: auto;
    height: auto;
}
.lightbox .hotspot {
    /* Etwas größer in der Lightbox für bessere Lesbarkeit */
    width: 30px; height: 30px;
    font-size: 14px;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.92), 0 0 0 6px rgba(220,80,15,0.50), 0 3px 10px rgba(220,80,15,0.5);
    z-index: 105;
}
.lightbox .hotspot:hover, .lightbox .hotspot.is-active {
    transform: translate(-50%, -50%) scale(1.18);
    box-shadow: 0 0 0 3px rgba(255,255,255,1), 0 0 0 7px rgba(220,80,15,0.60), 0 6px 18px rgba(220,80,15,0.7);
}
.lightbox-tooltip {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(15,23,42,0.95);
    color: #fff;
    padding: 14px 22px;
    border-radius: var(--radius);
    max-width: 70vw;
    border: 1px solid var(--accent);
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
    opacity: 0;
    transition: opacity 200ms ease, transform 200ms ease;
    pointer-events: none;
    z-index: 110;
    font-size: 14px;
    line-height: 1.5;
}
.lightbox-tooltip.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.lightbox-tooltip strong {
    font-family: var(--font-display);
    color: var(--accent);
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
}
.lightbox-close {
    position: absolute;
    top: 24px; right: 24px;
    background: rgba(255,255,255,0.10);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.20);
    width: 44px; height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: background 200ms ease;
    z-index: 120;
}
.lightbox-close:hover { background: rgba(255,255,255,0.22); }
.lightbox-hint {
    position: absolute;
    top: 24px; left: 24px;
    color: rgba(255,255,255,0.7);
    font-family: var(--font-display);
    font-size: 12.5px;
    letter-spacing: 0.5px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 8px 14px;
    border-radius: 999px;
    z-index: 120;
}

/* ============================================================
   ERWEITERTE LAYOUTS — Konzept, Workflows, Stack, Abschluss
   ============================================================ */

/* Sidebar-Kapitel-Gruppe (Trennlinie + Untertitel) */
.sidebar .chapter-group {
    margin-top: 16px;
    padding: 8px 8px 4px;
    font-family: var(--font-display);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--accent);
    border-top: 1px solid var(--glass-border);
    padding-top: 14px;
}
.sidebar .chapter-group:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.sidebar .nav-list li {
    padding: 7px 10px;
    font-size: 13px;
    margin-bottom: 2px;
}
.sidebar .nav-list .nav-num {
    width: 20px; height: 20px;
    font-size: 10px;
}

/* Card-Grid (für Konzept-Folien) */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 16px;
}
.info-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 18px;
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent);
}
.info-card .ic-head {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 10px;
}
.info-card .ic-icon {
    width: 36px; height: 36px;
    border-radius: 8px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.info-card .ic-icon.accent { background: var(--accent-soft); color: var(--accent-dark); }
.info-card .ic-icon svg { width: 20px; height: 20px; }
.info-card h3 {
    font-family: var(--font-display);
    font-size: 15px;
    margin: 0;
    color: var(--text);
}
.info-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.55;
    margin: 0;
}
.info-card ul {
    font-size: 13px; color: var(--text-muted);
    padding-left: 18px; margin: 6px 0 0; line-height: 1.55;
}

/* Vergleichs-Tabelle */
.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 16px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--glass-border);
    font-size: 13.5px;
}
.compare-table thead th {
    background: var(--primary);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 600;
    padding: 12px 14px;
    text-align: left;
    font-size: 13px;
    letter-spacing: 0.4px;
}
.compare-table tbody td {
    padding: 10px 14px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    vertical-align: top;
}
.compare-table tbody td:first-child {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text);
    background: var(--primary-soft);
    width: 18%;
}
.compare-table tbody tr:hover td { background: var(--accent-soft); }
.compare-table tbody tr:hover td:first-child { background: var(--accent-soft); color: var(--accent-dark); }

/* Workflow-Liste */
.workflow-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    margin-top: 16px;
}
.workflow-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius);
    padding: 12px 14px;
    transition: transform 180ms ease, border-left-color 180ms ease, box-shadow 180ms ease;
}
.workflow-item:hover {
    transform: translateX(3px);
    border-left-color: var(--accent);
    box-shadow: var(--shadow-md);
}
.workflow-item .wf-head {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 4px;
}
.workflow-item .wf-trigger {
    font-family: 'Fira Code', monospace;
    font-size: 10.5px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}
.workflow-item .wf-trigger.schedule { background: var(--accent-soft); color: var(--accent-dark); }
.workflow-item h4 {
    font-family: var(--font-display);
    font-size: 13.5px;
    margin: 0;
    color: var(--text);
}
.workflow-item p {
    margin: 0;
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.45;
}

/* Stack-Diagramm (Folie 28) */
.stack-diagram {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
    max-width: 920px;
    margin-left: auto; margin-right: auto;
}
.stack-layer {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 16px 22px;
    display: grid;
    grid-template-columns: 140px 1fr auto;
    gap: 18px;
    align-items: center;
    transition: transform 180ms ease, box-shadow 180ms ease;
}
.stack-layer:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-xl);
}
.stack-layer .sl-label {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
}
.stack-layer .sl-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}
.stack-layer .sl-title small {
    display: block;
    font-family: var(--font-body);
    font-size: 12.5px;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 3px;
}
.stack-layer .sl-tech {
    font-family: 'Fira Code', monospace;
    font-size: 11px;
    background: var(--primary);
    color: #fff;
    padding: 5px 10px;
    border-radius: 6px;
    white-space: nowrap;
}
.stack-layer.is-data .sl-tech { background: #16a34a; }
.stack-layer.is-ai .sl-tech { background: var(--accent); }

/* Kontakt/Abschluss-Folie */
.closing-slide {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 40px;
}
.closing-slide.active { display: flex; }
.closing-slide h1 {
    font-size: 48px;
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.closing-slide .closing-sub {
    color: var(--text-muted);
    font-size: 17px;
    margin-bottom: 36px;
}
.contact-card {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px 36px;
    box-shadow: var(--shadow-xl);
    text-align: left;
    max-width: 480px;
}
.contact-card .contact-row {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 12px;
}
.contact-card .contact-row:last-child { margin-bottom: 0; }
.contact-card .contact-icon {
    width: 36px; height: 36px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.contact-card .contact-icon svg { width: 18px; height: 18px; }
.contact-card .contact-text strong {
    display: block;
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--text);
}
.contact-card .contact-text span {
    font-size: 13px;
    color: var(--text-muted);
}

/* Quick-Stats unter Headlines */
.quick-stats {
    display: flex;
    gap: 24px;
    margin: 14px 0 22px;
    flex-wrap: wrap;
}
.quick-stat {
    display: flex; flex-direction: column;
    background: var(--primary-soft);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 10px 16px;
    min-width: 120px;
}
.quick-stat .qs-value {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.1;
}
.quick-stat .qs-label {
    font-size: 11.5px;
    color: var(--text-muted);
    letter-spacing: 0.4px;
    text-transform: uppercase;
    font-family: var(--font-display);
    font-weight: 600;
    margin-top: 2px;
}
.quick-stat.accent { background: var(--accent-soft); }
.quick-stat.accent .qs-value { color: var(--accent-dark); }

/* Code-Pill */
code {
    font-family: 'Fira Code', monospace;
    font-size: 0.88em;
    background: var(--primary-soft);
    color: var(--primary-dark);
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid var(--glass-border);
}

/* ============================================================
   TOP-FEATURE-FOLIE
   ============================================================ */
.top-feature-banner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    font-family: var(--font-display);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    padding: 5px 14px 5px 12px;
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(220,80,15,0.30);
    margin-bottom: 12px;
}
.top-feature-banner svg { width: 14px; height: 14px; }
.feature-hero {
    margin: 14px 0 28px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--surface);
    box-shadow: var(--shadow-xl);
    position: relative;
}
.feature-hero img {
    display: block;
    width: 100%;
    height: auto;
    cursor: zoom-in;
}
.feature-hero .browser-bar {
    height: 28px;
    background: linear-gradient(180deg, #f6f8fb 0%, #eef1f6 100%);
    display: flex; align-items: center;
    padding: 0 10px;
    border-bottom: 1px solid var(--border);
}
[data-theme="dark"] .feature-hero .browser-bar {
    background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
    border-bottom-color: rgba(148,163,184,0.18);
}
.feature-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px 14px;
}
.feature-point {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 22px 18px 16px;
    position: relative;
    transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.feature-point:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl);
}
.feature-point .fp-icon {
    position: absolute;
    top: -14px;
    left: 18px;
    width: 38px; height: 38px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px rgba(220,80,15,0.35);
}
.feature-point .fp-icon svg { width: 18px; height: 18px; }
.feature-point h4 {
    font-family: var(--font-display);
    font-size: 15px;
    margin: 12px 0 6px;
    color: var(--text);
}
.feature-point p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.55;
    margin: 0;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
    .content-grid { grid-template-columns: 1fr; }
    .stack-layer { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 760px) {
    .app { grid-template-columns: 1fr; grid-template-areas: "header" "main" "footer"; }
    .sidebar { display: none; }
    .slide { padding: 22px 18px; }
    .title-slide h1 { font-size: 42px; }
}