/* =========================================
   Niklas Schade — Personal Site
   Dual-Theme: Light (Persona) ⇄ Dark (Master-Gen)
   ========================================= */

:root {
    /* Brand accents (shared across themes) */
    --accent-orange: #d4742c;
    --accent-orange-bright: #ff8c42;
    --accent-glow: rgba(212, 116, 44, 0.5);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-serif: 'Fraunces', 'Georgia', 'Times New Roman', serif;
    --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, Consolas, monospace;

    --container-width: 1200px;
    --header-height: 80px;

    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

    --theme-fade: 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- LIGHT THEME (default / persona) ---------- */
body.mode-light {
    --bg-deep: #f4f2ee;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-card-alt: #faf8f4;

    --text-primary: #17150f;
    --text-secondary: #5d574c;
    --text-muted: #9b9486;

    --border-soft: rgba(23, 21, 15, 0.10);
    --border-faint: rgba(23, 21, 15, 0.06);
    --shadow-soft: 0 18px 50px rgba(40, 30, 12, 0.10);
    --nav-bg: rgba(244, 242, 238, 0.82);

    --dg-ink-fill: rgba(23, 21, 15, 0.06);
    --dg-grid-line: rgba(23, 21, 15, 0.045);
}

/* ---------- DARK THEME (Master-Gen world) ---------- */
body.mode-dark {
    --bg-deep: #050505;
    --bg-surface: #0f0f0f;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-alt: rgba(255, 255, 255, 0.03);

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    --border-soft: rgba(255, 255, 255, 0.10);
    --border-faint: rgba(255, 255, 255, 0.05);
    --shadow-soft: 0 20px 50px rgba(0, 0, 0, 0.5);
    --nav-bg: rgba(5, 5, 5, 0.8);

    --dg-ink-fill: rgba(255, 255, 255, 0.07);
    --dg-grid-line: rgba(255, 255, 255, 0.05);
}

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

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--theme-fade), color var(--theme-fade);
}

img { max-width: 100%; display: block; }

/* ---------- Accessibility & font-loading ---------- */
.skip-link {
    position: fixed;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    padding: 0.8rem 1.4rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.25s var(--ease-out-expo);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
    outline: 2px solid var(--accent-orange);
    outline-offset: 3px;
}

/* No outline for mouse users where custom focus styles exist */
.theme-toggle:focus,
.menu-toggle:focus,
.nav-link:focus,
.btn:focus,
a:focus { outline: none; }
.theme-toggle:focus-visible,
.menu-toggle:focus-visible,
.nav-link:focus-visible,
.btn:focus-visible,
a:focus-visible { outline: 2px solid var(--accent-orange); outline-offset: 3px; }

/* =========================================
   Background FX (theme-aware, cross-fade)
   ========================================= */
.background-effects {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-light-layer,
.bg-dark-layer {
    position: absolute;
    inset: 0;
    transition: opacity var(--theme-fade);
}

body.mode-light .bg-light-layer { opacity: 1; }
body.mode-light .bg-dark-layer  { opacity: 0; }
body.mode-dark  .bg-light-layer { opacity: 0; }
body.mode-dark  .bg-dark-layer  { opacity: 1; }

/* Light ambient blobs */
.light-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(110px);
}
.blob-a {
    width: 46vw; height: 46vw;
    background: radial-gradient(circle, rgba(212,116,44,0.22) 0%, transparent 70%);
    top: -12%; right: -8%;
    animation: drift 22s infinite alternate ease-in-out;
}
.blob-b {
    width: 40vw; height: 40vw;
    background: radial-gradient(circle, rgba(90,140,210,0.18) 0%, transparent 70%);
    bottom: -14%; left: -10%;
    animation: drift 28s infinite alternate-reverse ease-in-out;
}
.light-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(23,21,15,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23,21,15,0.035) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 75%);
}

@keyframes drift {
    0%   { transform: translate(0,0) scale(1); }
    100% { transform: translate(4%, 3%) scale(1.08); }
}

/* Dark ambient (Master-Gen) */
.noise-overlay {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.5;
}
.gradient-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}
.sphere-1 {
    width: 60vw; height: 60vw;
    background: radial-gradient(circle, var(--accent-orange) 0%, transparent 70%);
    top: -20%; right: -20%;
    animation: pulse 15s infinite alternate;
}
.sphere-2 {
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, #2c3e50 0%, transparent 70%);
    bottom: -10%; left: -10%;
    animation: pulse 20s infinite alternate-reverse;
}
.cube-grid {
    position: absolute;
    inset: -50%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    transform: perspective(1000px) rotateX(60deg) rotateZ(20deg) scale(2);
    opacity: 0.15;
    mask-image: radial-gradient(circle at center, black 0%, transparent 60%);
    -webkit-mask-image: radial-gradient(circle at center, black 0%, transparent 60%);
    animation: gridFloat 120s linear infinite;
}
@keyframes gridFloat {
    0% { background-position: 0 0; }
    100% { background-position: 80px 80px; }
}
@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(1.1); opacity: 0.6; }
}

/* =========================================
   Theme transition sweep
   ========================================= */
.theme-sweep {
    position: fixed;
    inset: 0;
    z-index: 1500;
    pointer-events: none;
    opacity: 0;
    background:
        linear-gradient(90deg, transparent 0%, rgba(212,116,44,0.0) 40%, rgba(212,116,44,0.85) 50%, rgba(255,140,66,0.0) 60%, transparent 100%);
    background-size: 250% 100%;
    background-position: 200% 0;
    mix-blend-mode: screen;
}
.theme-sweep.run {
    animation: sweep 0.9s ease-in-out;
}
@keyframes sweep {
    0%   { opacity: 0; background-position: 200% 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { opacity: 0; background-position: -100% 0; }
}

/* =========================================
   Scroll progress bar
   ========================================= */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 3px;
    z-index: 200;
    pointer-events: none;
}
.scroll-progress span {
    display: block;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-orange-bright));
    box-shadow: 0 0 12px var(--accent-glow);
    transition: width 0.1s linear;
}

/* =========================================
   Layout & Typography
   ========================================= */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.max-w-800 { max-width: 800px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-md { margin-top: 2rem; }

.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* =========================================
   Navigation
   ========================================= */
.top-nav {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-faint);
    transition: background var(--theme-fade), border-color var(--theme-fade);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.12em;
    font-size: 0.9rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}
.brand:hover { color: var(--accent-orange); }

.brand-mark {
    width: 12px; height: 12px;
    border-radius: 3px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-bright));
    box-shadow: 0 0 10px var(--accent-glow);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-link {
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.2s;
}
.nav-link:hover,
.nav-link.is-active { color: var(--text-primary); }
.nav-link.is-active {
    position: relative;
}
.nav-link.is-active::after {
    content: '';
    position: absolute;
    left: 0; right: 0;
    bottom: -6px;
    height: 2px;
    background: var(--accent-orange);
    border-radius: 2px;
}

/* Master-Gen toggle */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-orange);
    background: rgba(212, 116, 44, 0.08);
    border: 1px solid rgba(212, 116, 44, 0.35);
    border-radius: 50px;
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
}
.theme-toggle:hover {
    background: rgba(212, 116, 44, 0.16);
    border-color: var(--accent-orange);
    transform: translateY(-1px);
}
.theme-toggle .toggle-dna {
    display: inline-flex;
    transition: transform 0.5s var(--ease-out-expo);
}
body.mode-dark .theme-toggle {
    background: var(--accent-orange);
    color: #fff;
    border-color: var(--accent-orange);
    box-shadow: 0 0 22px var(--accent-glow);
}
body.mode-dark .theme-toggle .toggle-dna { transform: rotate(180deg); }

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 8px;
    border: 1px solid var(--border-soft);
    background: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.menu-toggle:hover {
    background: var(--bg-card-alt);
    border-color: var(--accent-orange);
}
.menu-toggle.is-active .menu-bars span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-active .menu-bars span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.is-active .menu-bars span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.menu-bars {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 20px;
}
.menu-bars span {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.3s var(--ease-out-expo), opacity 0.2s;
    transform-origin: center;
}

/* =========================================
   Buttons
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.9rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 0.02em;
    transition: all 0.3s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-bright));
    color: #fff;
    box-shadow: 0 12px 30px rgba(212, 116, 44, 0.28);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 44px rgba(212, 116, 44, 0.42);
}

.btn-shine {
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
    transform: skewX(-20deg);
    transition: 0.5s;
}
.btn-primary:hover .btn-shine { left: 200%; }

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
}
.btn-ghost:hover {
    border-color: var(--text-primary);
    background: var(--bg-card-alt);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid var(--border-soft);
    color: var(--text-primary);
    background: transparent;
}
.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}
body.mode-light .btn-secondary:hover { background: var(--bg-card-alt); }

.btn-text {
    color: var(--text-primary);
    padding-left: 0;
    background: transparent;
}
.btn-text:hover { color: var(--accent-orange); }

/* =========================================
   PERSONAL HERO (light)
   ========================================= */
.hero-personal {
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 3rem);
    padding-bottom: 4rem;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.55;
}
body.mode-dark .hero-canvas {
    opacity: 0.45;
}
.hero-personal::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(420px circle at var(--mx, 70%) var(--my, 30%), rgba(212,116,44,0.12), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.hero-personal:hover::after { opacity: 1; }
.hero-personal-grid { position: relative; z-index: 1; }

.hero-personal-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.kicker {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-orange);
    margin-bottom: 1.4rem;
}

.hero-personal-title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 6.2vw, 5.2rem);
    font-weight: 500;
    line-height: 1.02;
    margin-bottom: 1.6rem;
    letter-spacing: -0.025em;
}
.hero-personal-title .name-highlight { font-style: italic; }
.name-highlight {
    background: linear-gradient(120deg, var(--accent-orange), var(--accent-orange-bright));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-personal-lead {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 2.2rem;
    line-height: 1.65;
}
.hero-personal-lead strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-personal-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.8rem;
}

.hero-personal-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.meta-pill {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    padding: 0.5rem 0.85rem;
    border-radius: 3px;
}

/* Portrait — anchored figure + blob background */
.hero-personal-visual {
    position: relative;
    display: flex;
    justify-content: center;
    padding: 0;
}
.portrait-bubble {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0;
}
.bubble-shell {
    position: relative;
    width: 100%;
    aspect-ratio: 0.95;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    overflow: visible;
    transform: translate3d(calc(var(--px, 0) * 6px), calc(var(--py, 0) * 4px), 0);
    transition: transform 0.25s ease-out;
}

/* subtle grounding platform */
.bubble-shell::before {
    content: '';
    position: absolute;
    bottom: -4%;
    left: 50%;
    width: 70%;
    height: 14%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse 80% 40% at 50% 50%, rgba(23,21,15,0.14), transparent 70%);
    filter: blur(16px);
    z-index: 0;
    pointer-events: none;
}
body.mode-dark .bubble-shell::before {
    background: radial-gradient(ellipse 80% 40% at 50% 50%, rgba(0,0,0,0.40), transparent 70%);
}

/* blob background layer */
.bubble-shape {
    position: absolute;
    bottom: 0%;
    left: 50%;
    width: 100%;
    height: auto;
    aspect-ratio: 1920 / 2021;
    max-height: 100%;
    transform: translateX(-50%);
    z-index: 1;
    pointer-events: none;
    transition: transform 0.25s ease-out;
}
.bubble-shape .bubble-bg {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center bottom;
    filter: drop-shadow(0 24px 48px rgba(40, 30, 12, 0.16));
}
body.mode-dark .bubble-shape .bubble-bg {
    filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.40));
}

/* accent blob — offset orange blob with parallax */
.accent-blob {
    position: absolute;
    bottom: -4%;
    left: 60%;
    width: 96%;
    height: auto;
    aspect-ratio: 1920 / 2021;
    max-height: 96%;
    transform: translateX(calc(-50% + var(--px, 0) * 18px)) translateY(calc(var(--py, 0) * 14px));
    z-index: -1;
    pointer-events: none;
    transition: transform 0.25s ease-out;
}
body.mode-dark .accent-blob {
    opacity: 1;
}

/* pre-cut figure layer */
.bubble-portrait {
    position: absolute;
    bottom: 0%;
    left: 50%;
    width: 100%;
    height: auto;
    aspect-ratio: 1920 / 2021;
    max-height: 100%;
    transform: translateX(calc(-50% + var(--px, 0) * -3px)) translateY(calc(var(--py, 0) * -2px));
    z-index: 3;
    pointer-events: none;
    filter: drop-shadow(0 28px 48px rgba(40, 30, 12, 0.28));
}
body.mode-dark .bubble-portrait {
    filter: drop-shadow(0 28px 48px rgba(0, 0, 0, 0.50));
}

/* grounded caption under portrait */
.portrait-caption {
    position: absolute;
    bottom: -2.5%;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 0;
    z-index: 4;
    pointer-events: none;
    width: 60%;
}
.portrait-caption .caption-line {
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-soft), transparent);
}

/* Scroll cue */
/* Scroll cue */
/* Scroll cue */
.scroll-cue {
    position: absolute;
    bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    width: 26px; height: 42px;
    border: 2px solid var(--border-soft);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 7px;
}
.scroll-cue span {
    width: 4px; height: 8px;
    background: var(--accent-orange);
    border-radius: 2px;
    animation: cue 1.6s infinite;
}
@keyframes cue {
    0% { opacity: 0; transform: translateY(-4px); }
    40% { opacity: 1; }
    100% { opacity: 0; transform: translateY(12px); }
}

/* =========================================
   Sections (shared)
   ========================================= */
.section { padding: 6.5rem 0; }

.eyebrow {
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1rem;
    font-family: var(--font-sans);
}

.section-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}
body.mode-dark .section-title {
    background: linear-gradient(180deg, #fff 0%, #888 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
/* Personal (light) world: editorial serif headlines */
body.mode-light .section-title {
    font-family: var(--font-serif);
    font-weight: 500;
    letter-spacing: -0.02em;
}

.lead-text {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.7;
}
.lead-text-light {
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 0.5rem;
}
.body-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}
.body-text strong { color: var(--text-primary); font-weight: 600; }

/* =========================================
   PROFILE Section (light)
   ========================================= */
.profile-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: start;
}
.profile-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.6rem;
}
.profile-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-orange);
    border: 1px solid rgba(212,116,44,0.3);
    background: rgba(212,116,44,0.05);
    padding: 0.5rem 0.85rem;
    border-radius: 3px;
}
.profile-tag::before {
    content: '';
    width: 12px; height: 2px;
    background: var(--accent-orange);
}

/* =========================================
   Keyword marquee
   ========================================= */
.marquee {
    overflow: hidden;
    border-top: 1px solid var(--border-faint);
    border-bottom: 1px solid var(--border-faint);
    padding: 1.4rem 0;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 1.6rem;
    white-space: nowrap;
    animation: marquee 34s linear infinite;
}
.marquee-track span {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.4vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    opacity: 0.78;
}
.marquee-track .marquee-dot { color: var(--accent-orange); opacity: 1; }
@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* =========================================
   MANIFEST — Haltung (kompakt, interaktiv)
   ========================================= */
.manifest-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: stretch;
}
.manifest-hint {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}
.manifest-nav {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border-soft);
}
.mitem {
    display: grid;
    grid-template-columns: 2.4rem 1fr;
    align-items: baseline;
    gap: 0.8rem;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border-faint);
    padding: 0.85rem 0;
    cursor: pointer;
    position: relative;
    transition: padding-left 0.35s var(--ease-out-expo);
}
.mitem::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%) scaleX(0);
    transform-origin: left;
    width: 1.5rem; height: 2px;
    background: var(--accent-orange);
    transition: transform 0.35s var(--ease-out-expo);
}
.mitem-no {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.25s;
}
.mitem-title {
    font-family: var(--font-display);
    font-size: 1.02rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--text-secondary);
    transition: color 0.25s;
}
.mitem:hover .mitem-title { color: var(--text-primary); }
.mitem.is-active { padding-left: 2.2rem; }
.mitem.is-active::before { transform: translateY(-50%) scaleX(1); }
.mitem.is-active .mitem-no { color: var(--accent-orange); }
.mitem.is-active .mitem-title { color: var(--text-primary); }

.manifest-stage {
    position: relative;
    min-height: 360px;
    background:
        linear-gradient(var(--dg-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--dg-grid-line) 1px, transparent 1px),
        var(--bg-surface);
    background-size: 28px 28px, 28px 28px, auto;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    padding: clamp(2.2rem, 4vw, 3.2rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    transition: background var(--theme-fade), border-color var(--theme-fade);
}
.mpanel {
    position: relative;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.5s var(--ease-out-expo), transform 0.5s var(--ease-out-expo);
}
.mpanel[hidden] { display: none; }
.mpanel.is-active {
    opacity: 1;
    transform: translateY(0);
}
.mpanel-watermark {
    position: absolute;
    top: -2.4rem; right: -0.6rem;
    font-family: var(--font-display);
    font-size: 7rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(212, 116, 44, 0.28);
    pointer-events: none;
}
.mpanel-statement {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    line-height: 1.25;
    letter-spacing: -0.015em;
    color: var(--text-primary);
    margin-bottom: 1.1rem;
    max-width: 24ch;
}
.mpanel-statement em {
    font-style: italic;
    color: var(--accent-orange);
}
.mpanel-body {
    font-size: 1.02rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 46ch;
}
.manifest-progress {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 3px;
    background: var(--border-faint);
}
.manifest-progress span {
    display: block;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-orange-bright));
}
.manifest-progress span.is-running {
    animation: manifestTimer 6s linear forwards;
}
@keyframes manifestTimer {
    from { width: 0%; }
    to   { width: 100%; }
}

/* =========================================
   DREI FELDER — Editorial Blueprint
   ========================================= */
.fields-section { padding-bottom: 4rem; }

.fields-head {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: end;
}
.fields-head .section-title { margin-bottom: 0; }
.fields-head .section-title em {
    font-style: italic;
    color: var(--accent-orange);
}
.fields-intro {
    font-size: 1.08rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.8rem;
    max-width: 52ch;
}
.fields-index {
    list-style: none;
    border-top: 1px solid var(--border-soft);
}
.fields-index a {
    display: grid;
    grid-template-columns: 2.4rem 1fr auto;
    align-items: baseline;
    gap: 0.8rem;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--border-faint);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color 0.25s, padding-left 0.35s var(--ease-out-expo);
}
.fields-index .idx-no { color: var(--accent-orange); font-weight: 600; }
.fields-index .idx-arrow {
    color: var(--text-muted);
    transition: transform 0.35s var(--ease-out-expo), color 0.25s;
}
.fields-index a:hover {
    color: var(--text-primary);
    padding-left: 0.5rem;
}
.fields-index a:hover .idx-arrow {
    color: var(--accent-orange);
    transform: translateX(4px);
}

.field-row {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: center;
    padding: clamp(3.5rem, 7vw, 5.5rem) 0;
    border-top: 1px solid var(--border-faint);
}
.field-row:first-of-type { margin-top: 4rem; }
.field-row-reverse .field-content { order: 2; }
.field-row-reverse .field-figure  { order: 1; }

.field-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.field-index {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-orange);
    border: 1px solid rgba(212, 116, 44, 0.4);
    padding: 0.3rem 0.6rem;
    border-radius: 3px;
    line-height: 1;
}
.field-kicker {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.field-title {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 1.2rem;
}
.field-title em {
    font-style: italic;
    color: var(--accent-orange);
}

.field-statement {
    font-size: 1.08rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 2rem;
    max-width: 54ch;
}

.field-specs {
    list-style: none;
    border-top: 1px solid var(--border-soft);
}
.field-specs li {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.25rem;
    align-items: baseline;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border-faint);
    transition: padding-left 0.35s var(--ease-out-expo);
}
.field-specs li:hover { padding-left: 0.5rem; }
.spec-key {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-primary);
    position: relative;
    padding-left: 1rem;
}
.spec-key::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 5px; height: 5px;
    background: var(--accent-orange);
}
.spec-val {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* --- Figure frame (technical plot panel) --- */
.field-figure { margin: 0; }
.figure-frame {
    position: relative;
    background:
        linear-gradient(var(--dg-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--dg-grid-line) 1px, transparent 1px),
        var(--bg-surface);
    background-size: 28px 28px, 28px 28px, auto;
    border: 1px solid var(--border-soft);
    padding: clamp(1.2rem, 3vw, 2rem);
    box-shadow: var(--shadow-soft);
    transition: background var(--theme-fade), border-color var(--theme-fade);
}
.corner {
    position: absolute;
    width: 14px; height: 14px;
    border: 0 solid var(--accent-orange);
    pointer-events: none;
    z-index: 6;
}
.corner.c-tl { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
.corner.c-tr { top: -1px; right: -1px; border-top-width: 2px; border-right-width: 2px; }
.corner.c-bl { bottom: -1px; left: -1px; border-bottom-width: 2px; border-left-width: 2px; }
.corner.c-br { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }

/* --- Diagram primitives --- */
.diagram { width: 100%; height: auto; display: block; }
.diagram text { font-family: var(--font-mono); }

.dg-label {
    font-size: 9.5px;
    font-weight: 500;
    letter-spacing: 0.08em;
    fill: var(--text-secondary);
}
.dg-label-strong {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    fill: var(--text-primary);
}
.dg-label-tiny {
    font-size: 8px;
    font-weight: 500;
    letter-spacing: 0.1em;
    fill: var(--text-muted);
}

.dg-hair { fill: none; stroke: var(--text-primary); stroke-opacity: 0.3; stroke-width: 1.2; }
.dg-hair-faint { fill: none; stroke: var(--text-primary); stroke-opacity: 0.18; stroke-width: 1; }
.dg-dashed { stroke-dasharray: 3 5; }
.dg-runner { fill: var(--accent-orange); }
.dg-dot-accent { fill: var(--accent-orange); }
.dg-accent-line { stroke: var(--accent-orange); stroke-width: 1.4; fill: none; }

/* Diagram 1 — Agentic Workflow */
.dg-rect {
    fill: var(--bg-surface);
    stroke: var(--text-primary);
    stroke-opacity: 0.35;
    stroke-width: 1.1;
    transition: fill var(--theme-fade);
}
.dg-step {
    fill: var(--bg-surface);
    stroke: var(--accent-orange);
    stroke-opacity: 0.55;
    stroke-width: 1.1;
    transition: fill var(--theme-fade);
}
.dg-flow-line {
    fill: none;
    stroke: var(--accent-orange);
    stroke-width: 1.4;
    stroke-dasharray: 4 5;
    animation: dgDash 0.9s linear infinite;
}
@keyframes dgDash { to { stroke-dashoffset: -9; } }
.dg-chevron { fill: none; stroke: var(--accent-orange); stroke-width: 1.5; }

/* Diagram 2 — Sweet Spot */
.dg-venn { stroke-width: 1.1; mix-blend-mode: multiply; }
body.mode-dark .dg-venn { mix-blend-mode: screen; }
.dg-venn-a { fill: rgba(212, 116, 44, 0.10); stroke: rgba(212, 116, 44, 0.55); }
.dg-venn-b { fill: rgba(90, 140, 210, 0.10); stroke: rgba(90, 140, 210, 0.6); }
.dg-venn-c { fill: var(--dg-ink-fill); stroke: var(--text-primary); stroke-opacity: 0.4; }
.dg-cross { stroke: var(--accent-orange); stroke-width: 1; opacity: 0.75; }
.dg-pulse {
    fill: none;
    stroke: var(--accent-orange);
    stroke-width: 1;
    transform-origin: 220px 194px;
    animation: dgPulse 3.2s ease-out infinite;
}
.dg-pulse.p2 { animation-delay: 1.6s; }
@keyframes dgPulse {
    0%   { transform: scale(0.35); opacity: 0.9; }
    100% { transform: scale(2.0); opacity: 0; }
}

/* Diagram 3 — Stage-Gate funnel */
.dg-gate { stroke: var(--text-primary); stroke-opacity: 0.2; stroke-width: 1; stroke-dasharray: 2 5; fill: none; }
.dg-gate-diamond { fill: var(--bg-surface); stroke: var(--text-primary); stroke-opacity: 0.45; stroke-width: 1; }
.dg-band { fill: rgba(212, 116, 44, 0.05); stroke: none; }
.dg-reject line { stroke: var(--text-primary); stroke-opacity: 0.4; stroke-width: 1.3; }
.dg-num {
    font-size: 36px;
    font-weight: 600;
    letter-spacing: -0.02em;
    fill: var(--text-primary);
}
.dg-num-accent { fill: var(--accent-orange); }

/* --- Coda strip (Speaking) --- */
.fields-coda {
    margin-top: clamp(3rem, 6vw, 5rem);
    border: 1px solid var(--border-soft);
    background: var(--bg-surface);
    border-radius: 4px;
    padding: 1.6rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    transition: background var(--theme-fade), border-color var(--theme-fade);
}
.coda-kicker {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-orange);
    margin-bottom: 0.35rem;
}
.coda-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 62ch;
}
.coda-text strong { color: var(--text-primary); }
.coda-btn { white-space: nowrap; flex-shrink: 0; }

/* =========================================
   TRANSITION Section (bridge to dark)
   ========================================= */
.transition-section {
    padding: 8rem 0 4rem;
    position: relative;
}
.transition-eyebrow {
    display: inline-block;
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-style: italic;
}
.transition-title {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: clamp(1.9rem, 4.2vw, 3.1rem);
    color: var(--text-primary);
    line-height: 1.22;
    letter-spacing: -0.02em;
    max-width: 920px;
    margin: 0 auto 1.5rem;
    text-wrap: balance;
}
.transition-title em {
    font-style: italic;
    color: var(--accent-orange);
}
.transition-sub {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
}
.transition-sub strong { color: var(--text-primary); }
.transition-arrow {
    width: 1px;
    height: 70px;
    margin: 2.5rem auto 0;
    background: linear-gradient(to bottom, transparent, var(--accent-orange));
    position: relative;
}
.transition-arrow::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    width: 8px; height: 8px;
    border-right: 2px solid var(--accent-orange);
    border-bottom: 2px solid var(--accent-orange);
    transform: translateX(-50%) rotate(45deg);
}

.theme-sentinel {
    height: 1px;
    width: 100%;
}

/* =========================================
   BOOK HERO (dark · Master-Gen)
   ========================================= */
.book-hero {
    padding-top: 5rem;
    padding-bottom: 4rem;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: flex-start;
    width: 100%;
}

.stat-block {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    line-height: 1;
}
.stat-number {
    font-size: clamp(6rem, 12vw, 10rem);
    font-weight: 700;
    color: var(--accent-orange);
    font-family: var(--font-display);
    text-shadow: 0 0 40px var(--accent-glow);
    line-height: 0.8;
}
.stat-percent {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--accent-orange);
    margin-top: 0.5rem;
    align-self: flex-start;
}
.stat-label {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    text-transform: uppercase;
    font-weight: 600;
    margin-left: 1.5rem;
    line-height: 1.4;
    color: var(--text-secondary);
    border-left: 2px solid rgba(255,255,255,0.2);
    padding-left: 1rem;
    text-align: left;
}

.hero-headline {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 1.5rem;
    font-weight: 700;
}
.hero-sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
    font-weight: 300;
}
.hero-sub strong { color: var(--text-primary); font-weight: 500; }

.cta-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-availability {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.avail-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}
.avail-logos {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.avail-logos a {
    opacity: 0.5;
    transition: 0.3s ease;
    filter: grayscale(100%);
}
.avail-logos a:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: translateY(-2px);
}
.avail-logos img {
    height: 20px;
    width: auto;
    filter: brightness(0) invert(1);
}

.local-support-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.8;
}
.support-icon { color: var(--accent-orange); font-size: 1rem; }

/* 3D Book */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    perspective: 2000px;
}
.book-presentation {
    position: relative;
    width: 100%;
    max-width: 450px;
    transform-style: preserve-3d;
}
.book-cover-3d {
    width: 100%;
    height: auto;
    transform: rotateY(-25deg) rotateX(10deg);
    box-shadow: -20px 30px 60px rgba(0,0,0,0.6), inset 2px 0 5px rgba(255,255,255,0.2);
    border-radius: 4px;
    transition: transform 0.1s ease-out;
    will-change: transform;
}
.book-glow-backdrop {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 120%; height: 120%;
    background: radial-gradient(circle, rgba(212, 116, 44, 0.2), transparent 70%);
    filter: blur(50px);
    z-index: -1;
}

/* =========================================
   Problem / highlight
   ========================================= */
.highlight {
    color: var(--text-primary);
    font-weight: 500;
    border-bottom: 2px solid var(--accent-orange);
}

/* Solution / split */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}
.sticky-content {
    position: sticky;
    top: 120px;
}

/* Buy section bg */
.buy-section {
    background: linear-gradient(to top, #000, transparent);
}
.shop-cards-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 4rem;
}
.shop-tile {
    width: 200px;
    height: 120px;
    background: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-decoration: none;
    overflow: hidden;
    transition: 0.4s var(--ease-out-expo);
    cursor: pointer;
}
.tile-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
    padding: 1rem;
    width: 100%; height: 100%;
}
.shop-logo {
    max-width: 120px;
    max-height: 40px;
    object-fit: contain;
    transition: 0.3s;
    filter: grayscale(100%);
}
.shop-tile:hover .shop-logo {
    filter: grayscale(0%);
    transform: translateY(-5px);
}
.shop-cta {
    margin-top: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #000;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(10px);
    transition: 0.3s;
}
.shop-tile:hover .shop-cta { opacity: 1; transform: translateY(0); }
.shop-tile:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255,255,255,0.1);
}

/* =========================================
   Footer
   ========================================= */
.site-footer {
    border-top: 1px solid var(--border-soft);
    padding: 3rem 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: border-color var(--theme-fade);
}
.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}
.footer-col h4 {
    color: var(--text-primary);
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}
.footer-col nav {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
    justify-content: flex-end;
}
.footer-col nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: 0.2s;
}
.footer-col nav a:hover { color: var(--accent-orange); }

/* =========================================
   Modals
   ========================================= */
.modal {
    position: fixed;
    z-index: 2000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal.open { opacity: 1; visibility: visible; pointer-events: auto; }
.modal-content {
    background-color: #0f0f0f;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #a0a0a0;
    width: 90%;
    max-width: 600px;
    padding: 3rem;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 8px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.modal.open .modal-content { transform: translateY(0); }
.close-modal {
    color: #a0a0a0;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 1rem; right: 1.5rem;
    transition: color 0.3s;
    background: none;
    border: none;
    padding: 0.25rem;
    line-height: 1;
}
.close-modal:hover { color: var(--accent-orange); }
.modal h2 { color: #fff; margin-bottom: 2rem; font-size: 2rem; }
.modal-body { color: #a0a0a0; line-height: 1.6; }
.modal-body h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-family: var(--font-sans);
}
.modal-divider { border: 0; height: 1px; background: rgba(255,255,255,0.1); margin: 2rem 0; }
.modal-body a { color: var(--accent-orange); text-decoration: underline; text-underline-offset: 2px; }
.modal-body a:hover { color: var(--accent-orange-bright); }

/* Focus visible */
a:focus-visible,
button:focus-visible,
.theme-toggle:focus-visible,
.modal-trigger:focus-visible {
    outline: 2px solid var(--accent-orange);
    outline-offset: 3px;
}

/* =========================================
   Analysis / Metrics
   ========================================= */
.analysis-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.matrix-metrics {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 3rem;
}
.metric-row { display: flex; flex-direction: column; gap: 0.5rem; }
.matrix-text {
    font-family: 'Courier New', Courier, monospace;
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-orange);
    line-height: 1;
    letter-spacing: -0.05em;
}
.metric-desc {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =========================================
   Methodology Visuals (DNA)
   ========================================= */
.dna-helix-container { position: relative; padding: 2rem 0; }
.dna-helix-container::before {
    content: '';
    position: absolute;
    left: 28px;
    top: 40px; bottom: 40px;
    width: 2px;
    background: linear-gradient(to bottom, rgba(212, 116, 44, 0.1), var(--accent-orange), rgba(212, 116, 44, 0.1));
    z-index: 0;
}
.step-node {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
    align-items: flex-start;
    opacity: 0;
    transform: translateX(30px);
    transition: transform 0.3s ease;
}
.step-node:hover { transform: translateX(5px); }
.scroll-reveal.visible .step-node,
.step-node.fade-in-right {
    animation: fadeInRight 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.step-node:last-child { margin-bottom: 0; }
.node-icon {
    width: 56px; height: 56px;
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    flex-shrink: 0;
    transition: all 0.3s ease;
}
.step-node:hover .node-icon {
    border-color: var(--accent-orange);
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--accent-glow);
}
.node-content {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    flex-grow: 1;
    transition: all 0.3s ease;
}
.step-node:hover .node-content {
    background: rgba(255, 255, 255, 0.06);
    transform: translateX(5px);
}
.node-content h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.node-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}
.dna-strand {
    position: absolute;
    width: 2px;
    top: 0; bottom: 0;
    opacity: 0.2;
    z-index: -1;
}
.dna-strand.left {
    left: 10px;
    background: repeating-linear-gradient(45deg, transparent, transparent 10px, var(--accent-orange) 10px, var(--accent-orange) 20px);
    mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}
.dna-strand.right {
    left: 46px;
    background: repeating-linear-gradient(-45deg, transparent, transparent 10px, var(--accent-orange) 10px, var(--accent-orange) 20px);
    mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}

/* =========================================
   Testimonials
   ========================================= */
.testimonials-section {
    background: linear-gradient(180deg, transparent 0%, rgba(212, 116, 44, 0.03) 50%, transparent 100%);
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 2rem;
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
    transition: border-color 0.3s, transform 0.3s;
}
.testimonial-card:hover {
    border-color: rgba(212, 116, 44, 0.3);
    transform: translateY(-3px);
}
.testimonial-quote {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 1.5rem;
}
.testimonial-source cite {
    font-style: normal;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    font-size: 0.95rem;
}
.testimonial-role {
    font-size: 0.8rem;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.recognition-badge {
    text-align: center;
    margin-top: 2.5rem;
    padding: 1.25rem 2rem;
    border: 1px solid rgba(212, 116, 44, 0.2);
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}
.badge-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge-link {
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.badge-link:hover { color: var(--accent-orange-bright); }

/* =========================================
   Author (within dark book world)
   ========================================= */
.author-section {
    background: linear-gradient(180deg, transparent, rgba(212,116,44,0.04));
}
.author-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 4rem;
    align-items: center;
}
.author-image-wrap {
    position: relative;
    display: flex;
    justify-content: center;
}
.author-image-wrap::before {
    content: '';
    position: absolute;
    inset: -6% -6% -2% -6%;
    background: radial-gradient(circle at 50% 40%, rgba(212,116,44,0.22), transparent 65%);
    filter: blur(12px);
}
.author-photo {
    position: relative;
    width: 100%;
    max-width: 360px;
    border-radius: 16px;
    filter: drop-shadow(0 24px 50px rgba(0,0,0,0.55));
}
.author-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}
.author-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-orange);
    border: 1px solid rgba(212, 116, 44, 0.3);
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
}
.author-linkedin { display: inline-flex; align-items: center; gap: 0.5rem; }

/* =========================================
   Animations
   ========================================= */
.fade-in-up { opacity: 0; animation: fadeInUp 0.8s var(--ease-out-expo) forwards; }
.fade-in-down { opacity: 0; animation: fadeInDown 0.8s var(--ease-out-expo) forwards; }
.fade-in-right { opacity: 0; animation: fadeInRight 1s var(--ease-out-expo) forwards 0.2s; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-40px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(50px); } to { opacity: 1; transform: translateX(0); } }

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s var(--ease-out-expo), transform 0.9s var(--ease-out-expo);
    transition-delay: var(--delay, 0s);
    will-change: opacity, transform;
}
.scroll-reveal.visible { opacity: 1; transform: translateY(0); }

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 992px) {
    .hero-personal-grid { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
    .hero-personal-lead { margin-left: auto; margin-right: auto; }
    .hero-personal-cta, .hero-personal-meta { justify-content: center; }
    .kicker { margin-top: 1rem; }
    .portrait-bubble { margin: 0 auto; }

    .profile-grid { grid-template-columns: 1fr; gap: 2rem; }

    .fields-head { grid-template-columns: 1fr; align-items: start; gap: 2rem; }
    .field-row { grid-template-columns: 1fr; gap: 2.5rem; }
    .field-row-reverse .field-content { order: 1; }
    .field-row-reverse .field-figure  { order: 2; }
    .field-figure { max-width: 560px; }
    .fields-coda { flex-direction: column; align-items: flex-start; }

    .manifest-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .manifest-stage { min-height: 320px; }
    .portrait-bubble { max-width: 340px; }

    .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
    .stat-block { justify-content: center; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .cta-group { justify-content: center; }
    .split-layout { grid-template-columns: 1fr; }
    .sticky-content { position: static; text-align: center; margin-bottom: 3rem; }
    .shop-logo { filter: grayscale(0%); }

    .analysis-layout { grid-template-columns: 1fr; text-align: center; }
    .matrix-metrics {
        border-left: none;
        padding-left: 0;
        align-items: center;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 3rem;
    }

    .testimonials-grid { grid-template-columns: 1fr; }
    .author-layout { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
    .author-image-wrap { justify-content: center; }
    .author-photo { max-width: 280px; }
    .author-badges { justify-content: center; }
}

@media (max-width: 768px) {
    .menu-toggle { display: inline-flex; }
    /* backdrop-filter auf .top-nav erzeugt einen Containing-Block für die
       position:fixed .nav-links und zerquetscht das Panel auf 80px.
       Daher auf Mobile Blur aus + deckender Hintergrund (theme-aware). */
    .top-nav {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: var(--bg-deep);
    }
    .nav-links {
        position: fixed;
        inset: var(--header-height) 0 0 0;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 0;
        padding: 1.5rem 1.5rem 2rem;
        background: var(--nav-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-faint);
        transform: translateX(100%);
        transition: transform 0.35s var(--ease-out-expo);
        z-index: 99;
        overflow-y: auto;
    }
    .nav-links.is-open { transform: translateX(0); }
    .nav-link {
        display: block;
        font-size: 1.4rem;
        font-weight: 600;
        padding: 0.9rem 0;
        border-bottom: 1px solid var(--border-faint);
        width: 100%;
    }
    .theme-toggle {
        margin-top: 1.25rem;
        align-self: flex-start;
        padding: 0.75rem 1.2rem;
    }
    .theme-toggle .toggle-label { display: inline; }
    body.menu-open { overflow: hidden; }
    .nav-link.is-active { color: var(--accent-orange); }
    .nav-link.is-active::after { display: none; }
    .dna-helix-container::before { left: 24px; }
    .node-icon { width: 48px; height: 48px; }
    .field-specs li { grid-template-columns: 1fr; gap: 0.25rem; }
    .mpanel-watermark { font-size: 5rem; top: -1.6rem; }
    .mpanel-statement { max-width: none; }
}

@media (max-width: 600px) {
    .stat-number { font-size: 5rem; }
    .stat-percent { font-size: 2.5rem; }
    .stat-label { font-size: 0.8rem; margin-left: 0.5rem; padding-left: 0.5rem; }
    .footer-grid { flex-direction: column; gap: 2rem; text-align: center; }
    .footer-col nav { justify-content: center; }
    .text-right { text-align: center; }
}

/* Back to top */
.back-to-top {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    width: 44px; height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.3s var(--ease-out-expo), transform 0.3s var(--ease-out-expo), background 0.2s, border-color 0.2s;
    z-index: 90;
}
.back-to-top.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.back-to-top:hover {
    background: var(--accent-orange);
    color: #fff;
    border-color: var(--accent-orange);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .scroll-reveal { opacity: 1; transform: none; }
    .fade-in-up, .fade-in-down, .fade-in-right { opacity: 1; animation: none; }
    .cube-grid, .gradient-sphere, .light-blob, .marquee-track,
    .scroll-cue span { animation: none; }
    .theme-sweep.run { animation: none; }
    .dg-flow-line, .dg-pulse { animation: none; }
    .dg-pulse { opacity: 0.25; }
    .dg-runner { display: none; }
    .manifest-progress { display: none; }
    .mpanel { transition: none; }
}

/* =========================================================
   TESTS-RAIL (Home) — automatisch aus tests/manifest.json
   Länglich-breite Bildkacheln als Karussell.
   ========================================================= */
.tests-rail-section {
    padding: clamp(2.25rem, 4.5vw, 3.5rem) 0 0;
    overflow: hidden;
    position: relative;
}
.tests-rail-section::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    width: 820px;
    height: 720px;
    transform: translate(-50%, -46%);
    background: radial-gradient(circle, rgba(212, 116, 44, 0.10) 0%, transparent 66%);
    pointer-events: none;
    z-index: 0;
}
.tests-rail-section > * { position: relative; z-index: 1; }

.tests-rail-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 1.35rem;
}
.tests-rail-head-left { flex: 1 1 320px; }
.tests-rail-head-left .eyebrow { margin-bottom: 0.5rem; font-size: 0.72rem; }
.tests-rail-head-left .section-title {
    margin-bottom: 0;
    font-size: clamp(1.5rem, 3.2vw, 2.15rem);
    line-height: 1.12;
}
.tests-rail-head-left .section-title em {
    font-style: italic;
    color: var(--accent-orange);
}
.tests-rail-head-right {
    flex: 1 1 420px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.9rem;
}
.tests-rail-intro {
    max-width: 440px;
    font-size: 0.86rem;
    line-height: 1.55;
    color: var(--text-secondary);
    text-align: right;
}
.tests-rail-nav { display: flex; gap: 0.6rem; }
.tr-nav-btn {
    width: 50px; height: 50px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-soft);
    background: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.35s var(--ease-out-expo);
}
.tr-nav-btn:hover:not(:disabled) {
    border-color: var(--accent-orange);
    color: var(--accent-orange-bright);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(212, 116, 44, 0.20);
}
.tr-nav-btn:disabled { opacity: 0.3; cursor: not-allowed; transform: none; box-shadow: none; }

.tests-rail-viewport {
    width: 100%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0.6rem 0 2.2rem;
    margin-bottom: 1.4rem;
    cursor: grab;
    -webkit-overflow-scrolling: touch;
}
.tests-rail-viewport::-webkit-scrollbar { display: none; }
.tests-rail-viewport.dragging { cursor: grabbing; scroll-behavior: auto; }
.tests-rail-viewport:focus-visible { outline: 2px solid var(--accent-orange); outline-offset: 4px; }

.tests-rail-track {
    display: flex;
    gap: 1.6rem;
    padding: 0.4rem calc(max(2rem, (100vw - var(--container-width)) / 2)) 1rem;
    width: max-content;
}

/* ---- Länglich-breite Kachel (Landscape Tile) ---- */
.tr-card {
    scroll-snap-align: center;
    position: relative;
    flex: 0 0 auto;
    width: clamp(300px, 88vw, 580px);
    height: clamp(308px, 56vw, 348px);
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid var(--border-soft);
    background: var(--bg-card);
    box-shadow: var(--shadow-soft);
    text-decoration: none;
    color: inherit;
    display: flex;
    isolation: isolate;
    transition: transform 0.5s var(--ease-out-expo),
                box-shadow 0.5s var(--ease-out-expo),
                border-color 0.5s var(--ease-out-expo);
}
.tr-card:hover, .tr-card:focus-visible {
    transform: translateY(-7px);
    border-color: rgba(212, 116, 44, 0.5);
    box-shadow: 0 38px 70px rgba(40, 30, 12, 0.24),
                0 0 0 1px rgba(212, 116, 44, 0.20);
    outline: none;
}

.tr-card__media {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
    transition: transform 0.9s var(--ease-out-expo), filter 0.5s var(--ease-out-expo);
    filter: saturate(1.02);
}
.tr-card:hover .tr-card__media { transform: scale(1.06); }

.tr-card__scrim {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(180deg, rgba(15, 12, 8, 0.66) 0%, rgba(15, 12, 8, 0) 28%),
        linear-gradient(0deg, rgba(15, 12, 8, 0.96) 0%, rgba(15, 12, 8, 0.55) 44%, rgba(15, 12, 8, 0) 80%),
        linear-gradient(120deg, rgba(212, 116, 44, 0.15), transparent 55%);
}
.tr-card__scrim::after {
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(120% 90% at 16% 108%, rgba(212, 116, 44, 0.32), transparent 58%);
    opacity: 0; transition: opacity 0.5s var(--ease-out-expo);
}
.tr-card:hover .tr-card__scrim::after { opacity: 1; }

/* große Index-Nummer als Wasserzeichen */
.tr-card__index {
    position: absolute;
    top: 1.05rem; right: 1.4rem;
    font-family: var(--font-display);
    font-size: 4.2rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.04em;
    color: rgba(255, 255, 255, 0.16);
    z-index: 1;
    pointer-events: none;
    user-select: none;
    transition: color 0.5s var(--ease-out-expo), transform 0.5s var(--ease-out-expo);
}
.tr-card:hover .tr-card__index { color: rgba(255, 140, 66, 0.55); transform: translateY(-2px); }

.tr-card__top {
    position: absolute;
    top: 1.25rem; left: 1.5rem;
    z-index: 1;
}
.tr-card__eyebrow {
    display: inline-flex; align-items: center; gap: 0.55rem;
    font-size: 0.66rem; font-weight: 600;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: rgba(255, 255, 255, 0.94);
    padding: 0.38rem 0.78rem;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background: rgba(15, 12, 8, 0.24);
}
.tr-card__eyebrow::before {
    content: ""; width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent-orange-bright);
    box-shadow: 0 0 8px var(--accent-glow);
}

.tr-card__body {
    position: absolute;
    inset: auto 0 0 0;
    padding: 1.6rem 1.7rem 1.55rem;
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    z-index: 1;
}
.tr-card__title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 1.72rem);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: #fff;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.4);
    margin-top: 0.1rem;
}
.tr-card__lede {
    font-size: 0.88rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.82);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-width: 48ch;
}
.tr-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.45rem;
    padding-top: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.tr-card__facts { display: flex; gap: 1.2rem; }
.tr-card__fact { display: flex; flex-direction: column; line-height: 1.1; }
.tr-card__fact b {
    font-family: var(--font-mono);
    font-size: 0.98rem; font-weight: 600; color: var(--accent-orange-bright);
}
.tr-card__fact span {
    font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
    color: rgba(255, 255, 255, 0.66);
    margin-top: 0.18rem;
}
.tr-card__cta {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-weight: 600; font-size: 0.86rem;
    color: #fff;
    white-space: nowrap;
}
.tr-card__cta span { transition: transform 0.3s var(--ease-out-expo); }
.tr-card:hover .tr-card__cta span { transform: translateX(4px); }
.tr-card__cta::after {
    content: ""; width: 22px; height: 1px;
    background: var(--accent-orange-bright);
    transition: width 0.3s var(--ease-out-expo);
}
.tr-card:hover .tr-card__cta::after { width: 40px; }

/* footer: progress + dots + alle-tests-link */
.tests-rail-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-top: 0.4rem;
}
.tr-progress {
    position: relative;
    width: 140px;
    height: 3px;
    border-radius: 999px;
    background: var(--border-soft);
    overflow: hidden;
}
.tr-progress span {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-orange-bright));
    box-shadow: 0 0 10px var(--accent-glow);
    transition: width 0.2s var(--ease-out-expo);
}
.tr-dots { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tr-dot {
    width: 26px; height: 4px;
    border-radius: 999px;
    border: none;
    background: var(--border-soft);
    cursor: pointer;
    padding: 0;
    transition: all 0.3s var(--ease-out-expo);
}
.tr-dot[aria-selected="true"] {
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-orange-bright));
    width: 42px;
}
.tr-dot:hover { background: var(--text-muted); }
.tests-rail-all {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-weight: 600; font-size: 0.95rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.6rem 0;
    border-bottom: 1px solid transparent;
    transition: all 0.3s var(--ease-out-expo);
}
.tests-rail-all svg { transition: transform 0.3s var(--ease-out-expo); }
.tests-rail-all:hover { color: var(--accent-orange); border-color: var(--accent-orange); }
.tests-rail-all:hover svg { transform: translateX(4px); }

/* dark mode feinjustierung */
body.mode-dark .tr-card__scrim {
    background:
        linear-gradient(180deg, rgba(0,0,0,0.64) 0%, rgba(0,0,0,0) 28%),
        linear-gradient(0deg, rgba(0,0,0,0.96) 0%, rgba(0,0,0,0.6) 46%, rgba(0,0,0,0) 80%),
        linear-gradient(120deg, rgba(212,116,44,0.2), transparent 55%);
}
body.mode-dark .tr-card { background: rgba(255,255,255,0.03); }
body.mode-dark .tr-card__index { color: rgba(255,255,255,0.14); }
body.mode-dark .tr-card:hover .tr-card__index { color: rgba(255,140,66,0.5); }

/* skeleton while loading */
.tr-card--skeleton {
    background: linear-gradient(100deg, var(--bg-card-alt) 30%, var(--bg-surface) 50%, var(--bg-card-alt) 70%);
    background-size: 200% 100%;
    animation: tr-skel 1.4s ease-in-out infinite;
}
@keyframes tr-skel { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

@media (max-width: 720px) {
    .tests-rail-head { gap: 1rem; margin-bottom: 1rem; }
    .tests-rail-head-right { align-items: flex-start; }
    .tests-rail-intro { text-align: left; }
    .tests-rail-foot { justify-content: center; }
    .tests-rail-all { width: 100%; justify-content: center; }
    .tr-card__lede { -webkit-line-clamp: 3; }
    .tr-card__index { font-size: 3.4rem; top: 0.9rem; right: 1.2rem; }
}