/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --tesla-red: #e82127;
    --tesla-glow: rgba(232, 33, 39, 0.6);
    --tesla-dim: rgba(232, 33, 39, 0.15);
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --border-card: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f0f0;
    --text-secondary: rgba(255, 255, 255, 0.5);
    --text-dim: rgba(255, 255, 255, 0.25);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font);
    background: var(--bg-dark);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    user-select: none;
}

/* ===== ANIMATED BG ===== */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(232, 33, 39, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(232, 33, 39, 0.05) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 80%, rgba(100, 0, 20, 0.06) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
    animation: bgPulse 12s ease-in-out infinite alternate;
}

@keyframes bgPulse {
    0%   { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Scan line effect */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255,255,255,0.008) 2px,
        rgba(255,255,255,0.008) 4px
    );
    z-index: 1;
    pointer-events: none;
}

/* Ambient glow orb */
.slide::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232,33,39,0.04) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: orbFloat 8s ease-in-out infinite alternate;
}
@keyframes orbFloat {
    0%   { transform: translate(-50%, -50%) scale(0.8); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
}

/* ===== CLICK NAVIGATION ZONES ===== */
.click-zone {
    position: fixed;
    top: 0;
    width: 80px;
    height: 100%;
    z-index: 500;
    cursor: pointer;
    transition: background 0.3s ease;
}
.click-zone-left { left: 0; }
.click-zone-right { right: 0; }
.click-zone:hover {
    background: linear-gradient(90deg, rgba(232,33,39,0.06), transparent);
}
.click-zone-right:hover {
    background: linear-gradient(270deg, rgba(232,33,39,0.06), transparent);
}
.click-zone::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0);
    transition: border-color 0.3s ease;
}
.click-zone-left::after {
    left: 20px;
    border-left-color: transparent;
    border-top-color: transparent;
    border-right: 2px solid rgba(255,255,255,0.15);
    border-bottom: 2px solid rgba(255,255,255,0.15);
    transform: translateY(-50%) rotate(135deg);
}
.click-zone-right::after {
    right: 20px;
    border-left-color: transparent;
    border-top-color: transparent;
    border-right: 2px solid rgba(255,255,255,0.15);
    border-bottom: 2px solid rgba(255,255,255,0.15);
    transform: translateY(-50%) rotate(-45deg);
}
.click-zone:hover::after {
    border-right-color: var(--tesla-red);
    border-bottom-color: var(--tesla-red);
}

/* ===== SLIDE NAV BAR ===== */
.slide-nav {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.slide-nav.visible { opacity: 1; }
.slide-nav-item {
    width: 32px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-dim);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255,255,255,0.02);
    font-family: var(--font);
}
.slide-nav-item:hover {
    color: var(--tesla-red);
    border-color: rgba(232,33,39,0.3);
    background: rgba(232,33,39,0.06);
}
.slide-nav-item.active {
    color: var(--tesla-red);
    border-color: var(--tesla-red);
    background: rgba(232,33,39,0.1);
    box-shadow: 0 0 12px var(--tesla-dim);
}

/* ===== LOADER ===== */
.loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.loader-text {
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: 0.5em;
    color: var(--tesla-red);
    text-shadow: 0 0 40px var(--tesla-glow), 0 0 80px rgba(232, 33, 39, 0.3);
}
.loader-bar {
    width: 140px;
    height: 2px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}
.loader-bar::after {
    content: '';
    display: block;
    width: 40%;
    height: 100%;
    background: var(--tesla-red);
    box-shadow: 0 0 12px var(--tesla-glow);
    border-radius: 2px;
    animation: loaderSlide 0.8s ease-in-out infinite;
}
@keyframes loaderSlide {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* ===== TOP ACCENT ===== */
.top-accent {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--tesla-red), transparent);
    z-index: 1000;
    box-shadow: 0 0 20px var(--tesla-glow), 0 0 60px rgba(232, 33, 39, 0.2);
}

/* ===== BATTERY INDICATOR ===== */
.battery-indicator {
    position: fixed;
    top: 28px;
    right: 36px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.battery-indicator.visible { opacity: 1; }
.battery-icon { display: flex; align-items: center; }
.battery-body-wrap {
    width: 42px;
    height: 18px;
    border: 1.5px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    padding: 2px;
    overflow: hidden;
    background: rgba(0,0,0,0.3);
}
.battery-fill {
    height: 100%;
    width: 100%;
    border-radius: 2px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1), background 0.8s ease;
    box-shadow: 0 0 8px rgba(76, 175, 80, 0.4);
}
.battery-tip {
    width: 3px;
    height: 7px;
    background: rgba(255,255,255,0.3);
    border-radius: 0 2px 2px 0;
    margin-left: -1px;
}
.battery-text {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    min-width: 34px;
}

/* ===== SLIDE COUNTER ===== */
.slide-counter {
    position: fixed;
    bottom: 32px;
    right: 40px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.slide-counter.visible { opacity: 1; }
.counter-current {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--tesla-red);
    text-shadow: 0 0 20px var(--tesla-glow);
}
.counter-line {
    width: 30px;
    height: 1px;
    background: rgba(255,255,255,0.15);
}
.counter-total {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dim);
}

/* ===== NAV HINT ===== */
.nav-hint {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 0.08em;
}
.nav-hint-key {
    width: 28px;
    height: 28px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--text-dim);
    animation: hintPulse 2.5s ease-in-out infinite;
}
@keyframes hintPulse {
    0%, 100% { opacity: 0.3; border-color: rgba(255,255,255,0.08); }
    50%      { opacity: 1; border-color: var(--tesla-red); box-shadow: 0 0 12px var(--tesla-dim); }
}

/* ===== SVG CAR ===== */
.car-wrapper {
    position: fixed;
    width: 55px;
    height: 100px;
    z-index: 5;
    pointer-events: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0 0 18px rgba(232, 33, 39, 0.5)) drop-shadow(0 4px 12px rgba(0,0,0,0.5));
    opacity: 0.7;
}
.car-svg { width: 100%; height: 100%; display: block; }
.car-shadow {
    position: absolute;
    width: 70px;
    height: 90px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse, rgba(232, 33, 39, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}
.car-trail {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 99;
}
.trail-dot {
    position: absolute;
    border-radius: 50%;
    background: var(--tesla-red);
    box-shadow: 0 0 6px var(--tesla-glow);
    pointer-events: none;
}

/* ===== SLIDES CONTAINER ===== */
.slides-container {
    display: flex;
    width: 1000vw;
    height: 100vh;
    will-change: transform;
}

/* ===== INDIVIDUAL SLIDE ===== */
.slide {
    position: relative;
    width: 100vw;
    height: 100vh;
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

/* ===== SLIDE BACKGROUNDS ===== */
.slide-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 80px 80px;
}

.radial-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(232,33,39,0.07) 0%, transparent 60%);
}

/* ===== SLIDE CONTENT ===== */
.slide-content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1100px;
    padding: 60px 80px;
}

/* ===== SLIDE 1: HERO ===== */
.title-group { text-align: center; }

.overline {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.4em;
    color: var(--tesla-red);
    margin-bottom: 20px;
    text-shadow: 0 0 30px var(--tesla-glow);
}

.hero-title {
    line-height: 0.92;
    margin-bottom: 28px;
}
.hero-line {
    display: block;
    font-size: clamp(4rem, 10vw, 9rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    text-shadow: 0 2px 40px rgba(0,0,0,0.5), 0 0 80px rgba(232,33,39,0.15);
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 40%, #e82127 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroShimmer 6s ease-in-out infinite alternate;
}
@keyframes heroShimmer {
    0%   { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}
.hero-outline {
    color: transparent;
    -webkit-text-stroke: 2px var(--tesla-red);
    -webkit-text-fill-color: transparent;
    background: none;
    font-size: clamp(3.5rem, 9vw, 8rem);
    filter: drop-shadow(0 0 20px var(--tesla-dim));
    animation: outlinePulse 4s ease-in-out infinite alternate;
}
@keyframes outlinePulse {
    0%   { filter: drop-shadow(0 0 10px rgba(232,33,39,0.1)); -webkit-text-stroke-color: #e82127; }
    100% { filter: drop-shadow(0 0 30px rgba(232,33,39,0.4)); -webkit-text-stroke-color: #ff4444; }
}

.title-divider {
    width: 60px;
    height: 2px;
    background: var(--tesla-red);
    margin: 0 auto 18px;
    box-shadow: 0 0 20px var(--tesla-glow);
    animation: dividerGlow 3s ease-in-out infinite alternate;
}
@keyframes dividerGlow {
    0%   { width: 40px; box-shadow: 0 0 10px var(--tesla-dim); }
    100% { width: 80px; box-shadow: 0 0 30px var(--tesla-glow), 0 0 60px rgba(232,33,39,0.2); }
}

.hero-tagline {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--text-dim);
    letter-spacing: 0.1em;
}

.orbit-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.orbit-ring ellipse {
    stroke: rgba(232, 33, 39, 0.06);
}

/* ===== SECTION NUMBER — BOLD ===== */
.section-number {
    font-size: 6rem;
    font-weight: 900;
    color: var(--tesla-red);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: -18px;
    letter-spacing: -0.02em;
    text-shadow: 0 0 40px var(--tesla-glow);
}

/* ===== SLIDE HEADINGS ===== */
.slide-heading {
    font-size: clamp(2.2rem, 4.5vw, 3.6rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.slide-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--tesla-red);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 4px 12px;
    border: 1px solid rgba(232, 33, 39, 0.25);
    border-radius: 20px;
    margin-bottom: 8px;
    background: rgba(232, 33, 39, 0.06);
}

.slide-subtitle {
    font-size: 1.05rem;
    font-weight: 400;
    font-style: italic;
    color: var(--text-secondary);
    max-width: 680px;
    line-height: 1.6;
    margin-bottom: 36px;
}

/* ===== GLASS CARDS (Slide 2) ===== */
.cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.info-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 18px;
    padding: 36px 28px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}
.info-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--tesla-red), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.info-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 18px;
    background: radial-gradient(ellipse at top, rgba(232, 33, 39, 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.info-card:hover {
    transform: translateY(-4px);
    border-color: rgba(232, 33, 39, 0.2);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 30px var(--tesla-dim);
}
.info-card:hover::before,
.info-card:hover::after { opacity: 1; }

.card-value {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--tesla-red);
    line-height: 1.1;
    margin-bottom: 8px;
    text-shadow: 0 0 30px var(--tesla-glow);
    position: relative;
    z-index: 1;
}

.card-label {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 5px;
    position: relative; z-index: 1;
}

.card-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    position: relative; z-index: 1;
}

/* ===== CHART (Slide 3) ===== */
.chart-wrap {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 18px;
    padding: 32px;
    height: 380px;
}

/* ===== STRATEGY GRID (Slide 4) ===== */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.strategy-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 18px;
    padding: 28px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: all 0.4s ease;
}
.strategy-card:hover {
    transform: translateY(-3px);
    border-color: rgba(232, 33, 39, 0.15);
    box-shadow: 0 16px 40px rgba(0,0,0,0.3), 0 0 20px var(--tesla-dim);
}

.strat-icon-wrap {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--tesla-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(232, 33, 39, 0.15);
}
.strat-icon {
    font-size: 1rem;
    font-weight: 800;
    color: var(--tesla-red);
    text-shadow: 0 0 10px var(--tesla-glow);
}

.strategy-card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 5px;
    color: var(--text-primary);
}
.strategy-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.strategy-card ul, .card-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.strategy-card ul li, .card-list li {
    position: relative;
    padding-left: 14px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 5px;
}
.strategy-card ul li::before, .card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--tesla-red);
    box-shadow: 0 0 6px var(--tesla-dim);
}

/* ===== DEMOGRAPHICS (Slide 5) ===== */
.demo-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.demo-chart-wrap {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 18px;
    padding: 28px;
    height: 320px;
}

.demo-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.demo-stat {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 14px;
    padding: 22px 18px;
    text-align: center;
    transition: all 0.3s ease;
}
.demo-stat:hover {
    transform: scale(1.04);
    border-color: rgba(232, 33, 39, 0.2);
    box-shadow: 0 0 25px var(--tesla-dim);
}

.stat-val {
    display: block;
    font-size: 1.9rem;
    font-weight: 900;
    color: var(--tesla-red);
    margin-bottom: 4px;
    text-shadow: 0 0 20px var(--tesla-glow);
}
.stat-lbl {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ===== COMPARISON (Slide 6) ===== */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.compare-col {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 18px;
    overflow: hidden;
}
.compare-highlight {
    border-color: rgba(232, 33, 39, 0.3);
    box-shadow: 0 0 40px var(--tesla-dim);
}
.compare-header {
    padding: 20px 28px;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-card);
}
.compare-highlight .compare-header {
    background: rgba(232, 33, 39, 0.08);
    color: var(--tesla-red);
    text-shadow: 0 0 20px var(--tesla-glow);
}
.compare-row {
    display: flex;
    justify-content: space-between;
    padding: 14px 28px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.compare-row:last-child { border-bottom: none; }
.compare-label {
    font-size: 0.92rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.compare-val {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
}
.compare-highlight .compare-val {
    color: var(--tesla-red);
    text-shadow: 0 0 10px var(--tesla-dim);
}

/* ===== QUOTE / BRAND (Slide 7) ===== */
.quote-block {
    text-align: center;
    margin: 30px 0 40px;
}
.quote-mark {
    font-size: 5rem;
    line-height: 0.5;
    color: var(--tesla-red);
    opacity: 0.4;
    font-family: Georgia, serif;
}
.quote-text {
    font-size: 1.4rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 20px auto 0;
    font-style: italic;
}
.quote-divider {
    width: 60px;
    height: 2px;
    background: var(--tesla-red);
    margin: 28px auto 0;
    box-shadow: 0 0 15px var(--tesla-dim);
}

.perception-metrics {
    display: flex;
    gap: 40px;
}
.metric {
    flex: 1;
}
.metric-val {
    font-size: 2rem;
    font-weight: 900;
    color: var(--tesla-red);
    text-shadow: 0 0 20px var(--tesla-glow);
}
.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 4px 0 10px;
}
.metric-bar {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    overflow: hidden;
}
.metric-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--tesla-red), #ff5722);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--tesla-dim);
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== TIMELINE (Slide 8) ===== */
.timeline {
    position: relative;
    padding-left: 40px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--tesla-red), rgba(232,33,39,0.1));
}
.timeline-item {
    position: relative;
    padding: 0 0 36px 30px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: -34px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--tesla-red);
    box-shadow: 0 0 12px var(--tesla-glow), 0 0 30px var(--tesla-dim);
    border: 2px solid var(--bg-dark);
}
.timeline-content {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 14px;
    padding: 22px 26px;
    transition: all 0.3s ease;
}
.timeline-content:hover {
    border-color: rgba(232, 33, 39, 0.15);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2), 0 0 15px var(--tesla-dim);
    transform: translateX(6px);
}
.timeline-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tesla-red);
    margin-bottom: 6px;
}
.timeline-content p {
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.55;
}

/* ===== PRICING (Slide 9) ===== */
.pricing-hero {
    text-align: center;
    margin: 30px 0 50px;
}
.price-big {
    font-size: clamp(3.5rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff, var(--tesla-red));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroShimmer 5s ease-in-out infinite alternate;
    filter: drop-shadow(0 0 40px var(--tesla-dim));
}
.price-sub {
    font-size: 1rem;
    color: var(--text-dim);
    margin-top: 8px;
    letter-spacing: 0.05em;
}

.pricing-pills {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.pill {
    text-align: center;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 14px;
    padding: 24px 16px;
    transition: all 0.3s ease;
}
.pill:hover {
    transform: translateY(-4px);
    border-color: rgba(232, 33, 39, 0.2);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 20px var(--tesla-dim);
}
.pill-val {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--tesla-red);
    text-shadow: 0 0 20px var(--tesla-glow);
    margin-bottom: 6px;
}
.pill-label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ===== TAKEAWAYS (Slide 10) ===== */
.takeaways {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.takeaway {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 22px 26px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: 14px;
    transition: all 0.3s ease;
}
.takeaway:hover {
    transform: translateX(8px);
    border-color: rgba(232, 33, 39, 0.25);
    box-shadow: -4px 0 20px var(--tesla-dim), 0 8px 30px rgba(0,0,0,0.2);
}

.tw-num {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--tesla-red);
    opacity: 0.6;
    flex-shrink: 0;
    width: 34px;
    text-shadow: 0 0 15px var(--tesla-glow);
}

.takeaway p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    font-weight: 500;
}

.closing-line {
    text-align: center;
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: 0.18em;
    background: linear-gradient(135deg, #e82127, #ff5722, #e82127);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px var(--tesla-glow));
    animation: heroShimmer 4s ease-in-out infinite alternate;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .slide-content { padding: 40px 32px; }
    .cards-row { grid-template-columns: 1fr; }
    .strategy-grid { grid-template-columns: 1fr; }
    .demo-layout { grid-template-columns: 1fr; }
    .compare-grid { grid-template-columns: 1fr; }
    .pricing-pills { grid-template-columns: repeat(2, 1fr); }
    .perception-metrics { flex-direction: column; gap: 20px; }
    .hero-line { font-size: 3.5rem; }
    .hero-outline { font-size: 3rem; }
}