/* ================================================================
   UX PSYCHOLOGY — Behavioral Psychology & Persuasion Patterns (White Mode)
   ================================================================ */

/* ---------- Custom Properties ---------- */
:root {
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --clr-bg: #f8f9fc;
    --clr-surface: #ffffff;
    --clr-text: #1a1a2e;
    --clr-text-muted: #475569;
    --clr-indigo: #6366f1;
    --clr-indigo-deep: #4338ca;
    --clr-sky: #0ea5e9;
    --clr-emerald: #10b981;
    --clr-amber: #f59e0b;
    --clr-red: #ef4444;
    --clr-pink: #ec4899;
    --clr-purple: #8b5cf6;
    --clr-border: rgba(0,0,0,0.08);
    --clr-border-strong: rgba(0,0,0,0.15);

    --slide-transition: 0.8s cubic-bezier(.4, 0, .15, 1);
    --bubble-bg: rgba(255,255,255,0.85);
    --bubble-border: rgba(0,0,0,0.08);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hidden { display: none !important; }

html, body {
    height: 100%;
    overflow: hidden;
    font-family: var(--font-body);
    color: var(--clr-text);
    background: var(--clr-bg);
    -webkit-font-smoothing: antialiased;
}

/* ---------- Presentation Container ---------- */
.presentation {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* ---------- Progress Bar ---------- */
.progress-bar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    background: rgba(0,0,0,0.04);
    z-index: 100;
}
.progress-fill {
    height: 100%;
    width: 8.33%;
    background: linear-gradient(90deg, var(--clr-indigo), var(--clr-sky));
    transition: width 0.7s cubic-bezier(.4,0,.2,1);
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 12px rgba(99,102,241,0.3);
}

/* ---------- Slides Base ---------- */
.slide {
    position: absolute;
    inset: 0 0 90px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--slide-transition), transform var(--slide-transition), filter var(--slide-transition);
    transform: translateX(60px) scale(0.98);
    filter: blur(4px);
    z-index: 1;
}
.slide.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0) scale(1);
    filter: blur(0);
    z-index: 10;
}
.slide.exit-left {
    opacity: 0;
    transform: translateX(-60px) scale(0.98);
    filter: blur(4px);
}
.slide.exit-right {
    opacity: 0;
    transform: translateX(60px) scale(0.98);
    filter: blur(4px);
}

.slide-content {
    width: 100%;
    height: 100%;
    padding: 48px 5vw 20px;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

/* ---------- Slide Tag / Label ---------- */
.slide-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--clr-indigo);
    background: rgba(99,102,241,0.08);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 20px;
    padding: 5px 16px;
    margin-bottom: 14px;
    width: fit-content;
}

/* ---------- Navigation ---------- */
.slide-nav {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 200;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--clr-border);
    border-radius: 50px;
    padding: 8px 12px;
    box-shadow: var(--shadow-lg);
}

.nav-arrow {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1.5px solid var(--clr-border-strong);
    background: var(--clr-surface);
    color: var(--clr-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(.4,0,.2,1);
    flex-shrink: 0;
}
.nav-arrow svg { width: 18px; height: 18px; }
.nav-arrow:hover {
    background: rgba(99,102,241,0.1);
    border-color: var(--clr-indigo);
    transform: scale(1.12);
    box-shadow: 0 0 16px rgba(99,102,241,0.2);
}
.nav-arrow:active { transform: scale(0.92); }
.nav-arrow.disabled { opacity: 0.25; pointer-events: none; }

.slide-dots { display: flex; gap: 6px; }
.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1.5px solid rgba(0,0,0,0.15);
    background: transparent;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(.4,0,.2,1);
    position: relative;
}
.dot.active {
    background: var(--clr-indigo);
    border-color: var(--clr-indigo);
    width: 24px;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(99,102,241,0.4);
}
.dot:hover { border-color: var(--clr-sky); }

.dot-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--clr-text);
    color: white;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 4px 10px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s, transform 0.25s;
}
.dot:hover .dot-tooltip { opacity: 1; transform: translateX(-50%) translateY(0); }

.slide-counter {
    position: fixed;
    bottom: 32px;
    right: 30px;
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    font-family: var(--font-mono);
    z-index: 200;
    letter-spacing: 1px;
}

/* ---------- Animation Primitives ---------- */
.anim {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(.4,0,.2,1);
}
.slide.active .anim { opacity: 1; transform: none; }

.anim-fade-down  { transform: translateY(-35px); }
.anim-fade-up    { transform: translateY(35px); }
.anim-fade-left  { transform: translateX(-45px); }
.anim-fade-right { transform: translateX(45px); }
.anim-pop        { transform: scale(0.4); }

/* ---------- Step Items ---------- */
.step-item {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(.4,0,.2,1);
    pointer-events: none;
}
.step-item.step-visible {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

/* ---------- Owl Mascot ---------- */
.owl-wrap {
    display: inline-block;
    position: relative;
}
.owl-placeholder {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.owl-img {
    width: 120px;
    height: auto;
    filter: drop-shadow(0 6px 20px rgba(99,102,241,0.25));
    animation: owlFloat 3.5s ease-in-out infinite, owlBreath 6s ease-in-out infinite;
    transform-origin: center bottom;
    transition: filter 0.4s ease;
}
.owl-img:hover {
    filter: drop-shadow(0 8px 28px rgba(99,102,241,0.4));
}
.owl-img-sm {
    width: 42px;
    height: 42px;
    object-fit: contain;
    flex-shrink: 0;
}
.owl-img-lg {
    width: 100px;
    height: auto;
    filter: drop-shadow(0 6px 20px rgba(99,102,241,0.25));
    transform-origin: center bottom;
    opacity: 0;
    transform: translateY(30px) scale(0.5);
    transition: none;
}
.slide.active .owl-img-lg {
    animation: owlCelebrate 0.9s cubic-bezier(.34,1.56,.64,1) forwards, owlFloat 3s ease-in-out 1s infinite, owlBreath 5s ease-in-out 1s infinite;
}

/* ---- Owl hover speech bubble ---- */
.owl-bubble {
    position: absolute;
    top: 50%;
    left: calc(100% + 18px);
    transform: translateY(-50%) translateX(10px);
    width: 240px;
    background: #fff;
    border: 1.5px solid var(--clr-indigo);
    border-radius: 14px;
    padding: 14px 18px;
    box-shadow: 0 8px 32px rgba(99,102,241,0.15);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
    z-index: 100;
    text-align: left;
}
.owl-bubble::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 100%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-right-color: var(--clr-indigo);
}
.owl-bubble p {
    font-size: 0.82rem;
    line-height: 1.6;
    margin: 0;
    color: var(--clr-text);
    font-family: var(--font-body);
}
.owl-wrap:hover .owl-bubble {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0);
}

/* ---------- Key Diff Callout ---------- */
.key-diff {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.18);
    border-left: 3px solid var(--clr-indigo);
    border-radius: 10px;
    padding: 12px 18px;
    margin-top: 12px;
    max-width: 680px;
    flex-shrink: 0;
}
.key-diff-wide {
    max-width: 100%;
    margin: 8px auto 0;
}
.kd-icon { font-size: 1.3rem; flex-shrink: 0; }
.kd-text {
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--clr-text-muted);
}
.kd-text strong { color: var(--clr-indigo); }
.kd-text em { color: var(--clr-sky); font-style: italic; }

/* ---------- Slide Sub/Def ---------- */
.slide-sub {
    font-size: 1rem;
    color: var(--clr-text-muted);
    line-height: 1.55;
}
.slide-sub em { color: var(--clr-indigo); font-style: italic; }
.slide-sub strong { color: var(--clr-text); }

.principle-def {
    font-size: 0.95rem;
    color: var(--clr-text-muted);
    line-height: 1.65;
    max-width: 480px;
}
.principle-def strong { color: var(--clr-text); }

.heading-amp {
    color: var(--clr-text-muted);
    font-weight: 400;
    margin: 0 0.15em;
}

/* ================================================================
   SLIDE 1 — Title
   ================================================================ */
.slide-title {
    background: linear-gradient(135deg, #f0f0ff 0%, #e8f4f8 40%, #faf5ff 100%);
}

.stitle-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 14px;
    text-align: center;
}

.stitle-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.stitle-line1 {
    display: block;
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    background: linear-gradient(135deg, var(--clr-indigo), var(--clr-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stitle-line2 {
    display: block;
    font-size: clamp(1rem, 2.2vw, 1.5rem);
    color: var(--clr-text-muted);
    -webkit-text-fill-color: var(--clr-text-muted);
    font-weight: 500;
    letter-spacing: 0;
    margin-top: 4px;
}

.stitle-sub {
    font-size: 1.05rem;
    color: var(--clr-text-muted);
    font-weight: 400;
}

.stitle-author {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--clr-text);
    letter-spacing: 0.5px;
}

.stitle-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--clr-indigo);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 6px 16px;
    border-radius: 20px;
    border: 1px solid rgba(99,102,241,0.25);
    background: rgba(99,102,241,0.06);
    transition: all 0.3s ease;
}
.stitle-link:hover {
    background: rgba(99,102,241,0.12);
    border-color: rgba(99,102,241,0.45);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(99,102,241,0.15);
}
.stitle-link svg { flex-shrink: 0; }

/* ================================================================
   SLIDE 2 — Intro
   ================================================================ */
.slide-intro {
    background: linear-gradient(160deg, #f8f9fc 0%, #f0f0ff 50%, #e8f4f8 100%);
}

.sintro-content {
    align-items: center;
    justify-content: center;
    gap: 24px;
    text-align: center;
}

.sintro-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.sintro-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3.5vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--clr-text);
}

.sintro-bigquote {
    max-width: 600px;
    margin: 0 auto;
    padding: 24px 32px;
    background: var(--clr-surface);
    border-radius: 16px;
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-md);
    position: relative;
}
.bigquote-mark {
    position: absolute;
    top: -8px;
    left: 20px;
    font-size: 3rem;
    color: var(--clr-indigo);
    line-height: 1;
    font-family: Georgia, serif;
}
.sintro-bigquote p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--clr-text);
}
.sintro-bigquote strong {
    color: var(--clr-indigo);
    font-weight: 600;
}

.sintro-cards {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 800px;
}
.sintro-card {
    flex: 1;
    min-width: 200px;
    max-width: 240px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 14px;
    padding: 20px 18px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.sintro-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.sintro-card-icon {
    font-size: 1.8rem;
    display: block;
    margin-bottom: 8px;
}
.sintro-card h3 {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--clr-text);
}
.sintro-card p {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
}

/* ================================================================
   PRINCIPLE LAYOUTS (shared)
   ================================================================ */
.principle-layout {
    flex-direction: row;
    align-items: center;
    gap: 40px;
    padding-top: 60px;
}
.principle-text {
    flex: 1;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.principle-text h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 700;
    color: var(--clr-text);
    line-height: 1.15;
}

.principle-quote {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: rgba(99,102,241,0.04);
    border-radius: 12px;
    padding: 12px 16px;
    margin-top: 4px;
}
.principle-quote p {
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--clr-text-muted);
    font-style: italic;
}

.principle-demo {
    flex: 1.2;
    display: flex;
    justify-content: center;
}

.principle-layout-stacked {
    align-items: center;
    gap: 20px;
    padding-top: 48px;
}
.principle-header-wide {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.principle-header-wide h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--clr-text);
}

.dual-demo {
    display: flex;
    gap: 24px;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}
.dual-panel {
    flex: 1;
    min-width: 380px;
    max-width: 460px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.dual-panel-header {
    display: flex;
    align-items: center;
    gap: 10px;
}
.dual-num {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-indigo);
    background: rgba(99,102,241,0.08);
    border-radius: 8px;
    padding: 3px 10px;
    min-width: 36px;
    text-align: center;
}
.dual-panel-header h2 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--clr-text);
}
.dual-def {
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    line-height: 1.55;
}
.dual-def strong { color: var(--clr-text); }

/* ================================================================
   APP WINDOW MOCKUP (Shared)
   ================================================================ */
.app-window {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
}
.app-window-sm { max-width: 100%; }

.window-titlebar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: #f1f3f5;
    border-bottom: 1px solid var(--clr-border);
}
.window-dots {
    display: flex;
    gap: 6px;
}
.window-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.window-dots span:nth-child(1) { background: #ff5f57; }
.window-dots span:nth-child(2) { background: #febc2e; }
.window-dots span:nth-child(3) { background: #28c840; }

.window-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    letter-spacing: 0.5px;
}
.window-body {
    padding: 16px;
}

/* ================================================================
   SLIDE 3 — Loss Aversion Demo
   ================================================================ */
.slide-lossaversion {
    background: linear-gradient(160deg, #f8f9fc 0%, #fef2f2 50%, #faf5ff 100%);
}
.demo-loss {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.loss-comparison {
    display: flex;
    gap: 12px;
    align-items: stretch;
}
.loss-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.loss-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--clr-text-muted);
    padding: 0 6px;
}
.loss-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 6px;
    width: fit-content;
}
.loss-label-bad { color: var(--clr-text-muted); background: rgba(0,0,0,0.04); }
.loss-label-good { color: var(--clr-emerald); background: rgba(16,185,129,0.08); }
.loss-card-inner {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
}
.loss-strong .loss-card-inner {
    border-color: var(--clr-red);
    background: rgba(239,68,68,0.02);
}
.loss-icon-big {
    font-size: 2rem;
}
.loss-msg {
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
}
.loss-msg strong { color: var(--clr-text); }
.loss-btn {
    padding: 8px 20px;
    border-radius: 8px;
    border: none;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: default;
}
.loss-btn-weak {
    background: rgba(0,0,0,0.06);
    color: var(--clr-text-muted);
}
.loss-btn-strong {
    background: var(--clr-red);
    color: white;
    box-shadow: 0 2px 12px rgba(239,68,68,0.3);
}
.loss-conversion {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--clr-text-muted);
    text-align: center;
}
.loss-conversion-good {
    color: var(--clr-emerald);
    font-weight: 600;
}
.loss-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(239,68,68,0.04);
    border-radius: 8px;
    font-size: 0.78rem;
    color: var(--clr-text-muted);
}
.loss-stat-icon { font-size: 1.1rem; flex-shrink: 0; }
.loss-stat strong { color: var(--clr-red); }

/* ================================================================
   SLIDE 4 — Scarcity Principle Demo
   ================================================================ */
.slide-scarcity {
    background: linear-gradient(160deg, #f8f9fc 0%, #fffbeb 50%, #f0f0ff 100%);
}
.demo-scarcity {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.sc-product-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.sc-product-header {
    display: flex;
    gap: 12px;
    align-items: center;
}
.sc-product-img {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--clr-indigo), var(--clr-purple));
    flex-shrink: 0;
}
.sc-product-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sc-product-info h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-text);
}
.sc-product-price {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--clr-indigo);
}
.sc-original-price {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    text-decoration: line-through;
    font-weight: 400;
    margin-left: 6px;
}
.sc-product-rating {
    font-size: 0.75rem;
    color: var(--clr-amber);
}
.sc-product-rating span {
    color: var(--clr-text-muted);
}
.sc-urgency-stack {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.sc-urgency-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 500;
}
.sc-badge-stock {
    background: rgba(239,68,68,0.06);
    border: 1px solid rgba(239,68,68,0.15);
    color: var(--clr-red);
}
.sc-badge-timer {
    background: rgba(245,158,11,0.06);
    border: 1px solid rgba(245,158,11,0.15);
    color: var(--clr-amber);
}
.sc-badge-viewers {
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.15);
    color: var(--clr-indigo);
}
.sc-cta {
    width: 100%;
    padding: 12px 20px;
    border-radius: 10px;
    border: none;
    background: var(--clr-indigo);
    color: white;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: default;
    box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.sc-types {
    display: flex;
    gap: 8px;
}
.sc-type {
    flex: 1;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 10px;
    text-align: center;
}
.sc-type-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--clr-text);
    margin-bottom: 4px;
}
.sc-type-ex {
    font-size: 0.7rem;
    color: var(--clr-text-muted);
    font-style: italic;
}

/* ================================================================
   SLIDE 5 — Social Proof Demo
   ================================================================ */
.slide-socialproof {
    background: linear-gradient(160deg, #f8f9fc 0%, #f0f0ff 50%, #e8f4f8 100%);
}
.demo-socialproof {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.sp-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.sp-pattern {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sp-pattern-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--clr-indigo);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.sp-pattern-demo {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
}
.sp-pattern-demo strong { color: var(--clr-text); }
.sp-avatars {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-bottom: 4px;
}
.sp-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(99,102,241,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}
.sp-avatar-more {
    background: var(--clr-indigo);
    color: white;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 600;
    width: 36px;
}
.sp-stars-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 2px;
}
.sp-stars-display {
    color: var(--clr-amber);
    font-size: 1rem;
}
.sp-rating-num {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--clr-text);
}
.sp-quote-block {
    display: flex;
    gap: 4px;
    margin-bottom: 6px;
}
.sp-quote-mark {
    font-family: Georgia, serif;
    font-size: 1.8rem;
    color: var(--clr-indigo);
    line-height: 1;
}
.sp-quote-block p {
    font-size: 0.78rem;
    font-style: italic;
    color: var(--clr-text-muted);
    line-height: 1.5;
}
.sp-quote-author {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
}
.sp-author-avatar {
    font-size: 1.2rem;
}
.sp-quote-author strong {
    display: block;
    color: var(--clr-text);
}
.sp-quote-author span {
    color: var(--clr-text-muted);
}
.sp-logos-label {
    font-size: 0.72rem;
    color: var(--clr-text-muted);
    margin-bottom: 6px;
}
.sp-logos-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.sp-logo-pill {
    padding: 4px 12px;
    border-radius: 6px;
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.12);
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--clr-text);
}

/* ================================================================
   SLIDE 6 — Reciprocity Demo
   ================================================================ */
.slide-reciprocity {
    background: linear-gradient(160deg, #f8f9fc 0%, #f0fff4 50%, #faf5ff 100%);
}
.demo-reciprocity {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.rcp-funnel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.rcp-stage {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    border-radius: 10px;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
}
.rcp-stage-give {
    border-left: 3px solid var(--clr-emerald);
}
.rcp-stage-feel {
    border-left: 3px solid var(--clr-amber);
}
.rcp-stage-convert {
    border-left: 3px solid var(--clr-indigo);
}
.rcp-stage-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}
.rcp-stage-content h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-text);
    margin-bottom: 4px;
}
.rcp-stage-content p {
    font-size: 0.78rem;
    color: var(--clr-text-muted);
    line-height: 1.4;
    font-style: italic;
}
.rcp-examples {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.rcp-chip {
    padding: 3px 10px;
    border-radius: 6px;
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.15);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--clr-emerald);
}
.rcp-arrow-down {
    font-size: 1.3rem;
    color: var(--clr-text-muted);
}
.rcp-examples-row {
    display: flex;
    gap: 10px;
}
.rcp-real {
    flex: 1;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.75rem;
    color: var(--clr-text-muted);
}
.rcp-real-brand {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--clr-indigo);
    font-size: 0.8rem;
}

/* ================================================================
   SLIDE 7 — Endowment Effect Demo
   ================================================================ */
.slide-endowment {
    background: linear-gradient(160deg, #f8f9fc 0%, #faf5ff 50%, #f0f0ff 100%);
}
.demo-endowment {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.endow-comparison {
    display: flex;
    gap: 12px;
}
.endow-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.endow-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 6px;
    width: fit-content;
}
.endow-label-bad { color: var(--clr-text-muted); background: rgba(0,0,0,0.04); }
.endow-label-good { color: var(--clr-emerald); background: rgba(16,185,129,0.08); }
.endow-mockup {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    overflow: hidden;
}
.endow-mockup-good {
    border-color: var(--clr-emerald);
    background: rgba(16,185,129,0.02);
}
.endow-nav {
    display: flex;
    gap: 2px;
    padding: 8px 10px;
    background: rgba(0,0,0,0.02);
    border-bottom: 1px solid var(--clr-border);
}
.endow-nav span {
    font-size: 0.68rem;
    color: var(--clr-text-muted);
    padding: 4px 8px;
    border-radius: 4px;
}
.endow-nav strong {
    color: var(--clr-indigo);
}
.endow-greeting {
    padding: 12px;
    font-size: 0.78rem;
    color: var(--clr-text-muted);
}
.endow-greeting-good {
    color: var(--clr-text);
}
.endow-greeting strong {
    color: var(--clr-indigo);
}
.endow-tactics {
    display: flex;
    gap: 8px;
}
.endow-tactic {
    flex: 1;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.endow-tactic-icon {
    font-size: 1.3rem;
}
.endow-tactic span {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--clr-text);
}
.endow-tactic small {
    font-size: 0.68rem;
    color: var(--clr-text-muted);
}

/* ================================================================
   SLIDE 8 — Nudge Theory Demo
   ================================================================ */
.slide-nudge {
    background: linear-gradient(160deg, #f8f9fc 0%, #e8f4f8 50%, #f0f0ff 100%);
}
.demo-nudge {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.nudge-examples {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.nudge-ex {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    padding: 12px;
}
.nudge-ex-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.nudge-ex-icon {
    font-size: 1.1rem;
}
.nudge-ex-header h4 {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--clr-text);
}
.nudge-tip-row {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}
.nudge-tip {
    flex: 1;
    padding: 8px 0;
    text-align: center;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    background: rgba(0,0,0,0.03);
    border: 1.5px solid var(--clr-border);
}
.nudge-tip-selected {
    background: rgba(99,102,241,0.1);
    border-color: var(--clr-indigo);
    color: var(--clr-indigo);
    box-shadow: 0 0 8px rgba(99,102,241,0.2);
}
.nudge-annotation {
    font-size: 0.7rem;
    color: var(--clr-text-muted);
    font-style: italic;
    text-align: center;
}
.nudge-plans-row {
    display: flex;
    gap: 8px;
}
.nudge-plan {
    flex: 1;
    padding: 10px;
    border-radius: 8px;
    border: 1.5px solid var(--clr-border);
    background: rgba(0,0,0,0.02);
    text-align: center;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--clr-text);
    position: relative;
}
.nudge-plan small {
    font-weight: 400;
    color: var(--clr-text-muted);
}
.nudge-plan-recommended {
    border-color: var(--clr-indigo);
    background: rgba(99,102,241,0.04);
    box-shadow: 0 0 12px rgba(99,102,241,0.12);
}
.nudge-badge-rec {
    display: block;
    margin-top: 6px;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 600;
    color: white;
    background: var(--clr-indigo);
    padding: 2px 8px;
    border-radius: 4px;
}
.nudge-order-demo {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.nudge-order-item {
    padding: 8px 12px;
    border-radius: 6px;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--clr-border);
    font-size: 0.78rem;
    color: var(--clr-text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}
.nudge-order-first {
    background: rgba(16,185,129,0.06);
    border-color: rgba(16,185,129,0.2);
    color: var(--clr-text);
    font-weight: 500;
}
.nudge-order-note {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--clr-emerald);
    margin-left: auto;
}

/* ================================================================
   SLIDE 9 — Commitment & Consistency Demo
   ================================================================ */
.slide-commitment {
    background: linear-gradient(160deg, #f8f9fc 0%, #f0f0ff 50%, #faf5ff 100%);
}
.demo-commitment {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.commit-progress {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.commit-bar {
    height: 8px;
    background: rgba(0,0,0,0.06);
    border-radius: 4px;
    overflow: hidden;
}
.commit-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--clr-indigo), var(--clr-sky));
    border-radius: 4px;
    transition: width 0.5s ease;
}
.commit-bar-label {
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    text-align: center;
}
.commit-bar-label strong { color: var(--clr-indigo); }
.commit-steps {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.commit-step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--clr-text-muted);
}
.commit-done {
    background: rgba(16,185,129,0.06);
    border: 1px solid rgba(16,185,129,0.12);
}
.commit-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--clr-emerald);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}
.commit-current {
    background: rgba(99,102,241,0.06);
    border: 1.5px solid var(--clr-indigo);
    color: var(--clr-text);
    font-weight: 500;
}
.commit-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    flex-shrink: 0;
    color: var(--clr-text-muted);
}
.commit-current .commit-num {
    background: var(--clr-indigo);
    color: white;
}
.commit-future {
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--clr-border);
}
.commit-psychology {
    display: flex;
    gap: 10px;
}
.commit-psych-item {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 10px 12px;
}
.commit-psych-item span {
    font-size: 1.1rem;
    flex-shrink: 0;
}
.commit-psych-item p {
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    line-height: 1.4;
}
.commit-psych-item strong { color: var(--clr-text); }

/* ================================================================
   SLIDE 10 — Variable Rewards Demo
   ================================================================ */
.slide-rewards {
    background: linear-gradient(160deg, #f8f9fc 0%, #fffbeb 50%, #faf5ff 100%);
}
.demo-rewards {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.reward-types {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.reward-type {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    padding: 12px;
}
.reward-type-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}
.reward-type-icon {
    font-size: 1.1rem;
}
.reward-type-header h4 {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--clr-text);
}
.reward-type > p {
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    margin-bottom: 6px;
}
.reward-example {
    margin-top: 4px;
}
.reward-notif {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(236,72,153,0.06);
    border: 1px solid rgba(236,72,153,0.12);
    font-size: 0.78rem;
    color: var(--clr-text-muted);
}
.reward-notif strong { color: var(--clr-text); }
.reward-notif-hunt {
    background: rgba(245,158,11,0.06);
    border-color: rgba(245,158,11,0.12);
}
.reward-notif-self {
    background: rgba(99,102,241,0.06);
    border-color: rgba(99,102,241,0.12);
}
.reward-key {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(245,158,11,0.04);
    border: 1px solid rgba(245,158,11,0.12);
    border-radius: 8px;
    font-size: 0.78rem;
    color: var(--clr-text-muted);
}
.reward-key span { font-size: 1.1rem; flex-shrink: 0; }
.reward-key strong { color: var(--clr-amber); }

/* ================================================================
   SLIDE 11 — Ethics Demo
   ================================================================ */
.slide-ethics {
    background: linear-gradient(160deg, #f8f9fc 0%, #f0fff4 40%, #faf5ff 100%);
}
.ethics-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}
.ethics-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    line-height: 1.4;
}
.ethics-item span { font-size: 1rem; flex-shrink: 0; }
.ethics-good {
    background: rgba(16,185,129,0.06);
    border: 1px solid rgba(16,185,129,0.12);
}
.ethics-bad {
    background: rgba(239,68,68,0.04);
    border: 1px solid rgba(239,68,68,0.1);
}

/* compact overrides for ethics slide */
.slide-ethics .slide-content { padding-top: 20px; gap: 0; }
.slide-ethics .principle-layout-stacked { gap: 10px; padding-top: 12px; }
.slide-ethics .principle-header-wide { gap: 2px; }
.slide-ethics .dual-demo { gap: 16px; }
.slide-ethics .dual-panel { gap: 4px; }
.slide-ethics .dual-def { font-size: 0.76rem; line-height: 1.4; }
.slide-ethics .key-diff { padding: 8px 14px; margin-top: auto; }

/* ================================================================
   SLIDE 12 — Summary
   ================================================================ */
.slide-summary {
    background: linear-gradient(135deg, #f0f0ff 0%, #e8f4f8 40%, #f0fff4 100%);
}
.ssummary-content {
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: center;
}
.ssummary-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3.5vw, 2.6rem);
    font-weight: 700;
    color: var(--clr-text);
}
.ssummary-sub {
    font-size: 1rem;
    color: var(--clr-text-muted);
    max-width: 600px;
    line-height: 1.65;
}
.ssummary-sub em { color: var(--clr-text-muted); font-style: italic; }
.ssummary-sub strong { color: var(--clr-indigo); }

.ssummary-grid {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 800px;
}
.ssummary-item {
    flex: 1;
    min-width: 160px;
    max-width: 180px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 14px;
    padding: 18px 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.ssummary-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.ssummary-num {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--clr-indigo);
    display: block;
    margin-bottom: 8px;
}
.ssummary-item h3 {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--clr-text);
}
.ssummary-item p {
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
}

.ssummary-cta {
    margin-top: 12px;
}

/* ================================================================
   KEYFRAME ANIMATIONS
   ================================================================ */
@keyframes owlFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}
@keyframes owlBreath {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.03); }
}
@keyframes owlCelebrate {
    0%   { opacity: 0; transform: translateY(30px) scale(0.5); }
    60%  { opacity: 1; transform: translateY(-8px) scale(1.1); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 860px) {
    .slide-content { overflow-y: auto; }

    .principle-layout {
        flex-direction: column;
        gap: 24px;
        padding-top: 48px;
    }
    .principle-text { max-width: 100%; }
    .principle-demo { width: 100%; }
    .app-window { max-width: 100%; }

    .dual-demo { flex-direction: column; align-items: center; }
    .dual-panel { min-width: 100%; max-width: 100%; }

    .sintro-cards { flex-direction: column; align-items: center; }
    .sintro-card { max-width: 100%; }

    .ssummary-grid { flex-direction: column; align-items: center; }
    .ssummary-item { max-width: 100%; }

    .sp-grid { grid-template-columns: 1fr; }
    .loss-comparison { flex-direction: column; }
    .endow-comparison { flex-direction: column; }
    .endow-tactics { flex-direction: column; }
    .sc-types { flex-direction: column; }
    .rcp-examples-row { flex-direction: column; }
    .commit-psychology { flex-direction: column; }
    .nudge-plans-row { flex-direction: column; }
}

@media (max-width: 600px) {
    .slide-content { padding: 32px 4vw 16px; }
    .slide-nav { gap: 8px; padding: 6px 10px; }
    .stitle-heading .stitle-line1 { font-size: 2rem; }
    .nudge-tip-row { flex-direction: column; }
}