:root {
    --bg-base: #080810;
    --bg-card: #0f0f1a;
    --bg-elevated: #16162a;
    --border: #ffffff14;
    --border-accent: #6c63ff40;
    --text-primary: #f0f0fa;
    --text-secondary: #9898b0;
    --text-muted: #55556a;
    --accent: #7c6fff;
    --accent-glow: #7c6fff33;
    --accent-soft: #7c6fff18;
    --success: #4ade80;
    --warning: #facc15;
    --muted-status: #55556a;
    --slide-width: 1160px;
    --radius: 16px;
    --transition-speed: 300ms;
}

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

html,
body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    position: relative;
    background-color: #080810;
    background-image:
        radial-gradient(closest-side, rgba(26, 24, 48, 1), rgba(26, 24, 48, 0)),
        radial-gradient(closest-side, rgba(26, 24, 48, 1), rgba(26, 24, 48, 0)),
        radial-gradient(closest-side, rgba(26, 24, 48, 1), rgba(26, 24, 48, 0));
    background-size:
        90vmax 90vmax,
        90vmax 90vmax,
        90vmax 90vmax;
    background-position:
        10vmax 10vmax,
        -20vmax -10vmax,
        50vmax 50vmax;
    background-repeat: no-repeat;
    animation: 10s movement linear infinite;
    color: var(--text-primary);
    font-family: "DM Sans", system-ui, sans-serif;
}

body::after {
    content: '';
    display: block;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

@keyframes movement {

    0%,
    100% {
        background-size:
            130vmax 130vmax,
            80vmax 80vmax,
            90vmax 90vmax,
            110vmax 110vmax,
            90vmax 90vmax;
        background-position:
            -80vmax -80vmax,
            60vmax -30vmax,
            10vmax 10vmax,
            -30vmax -10vmax,
            50vmax 50vmax;
    }

    25% {
        background-size:
            100vmax 100vmax,
            90vmax 90vmax,
            100vmax 100vmax,
            90vmax 90vmax,
            60vmax 60vmax;
        background-position:
            -60vmax -90vmax,
            50vmax -40vmax,
            0vmax -20vmax,
            -40vmax -20vmax,
            40vmax 60vmax;
    }

    50% {
        background-size:
            80vmax 80vmax,
            110vmax 110vmax,
            80vmax 80vmax,
            60vmax 60vmax,
            80vmax 80vmax;
        background-position:
            -50vmax -70vmax,
            40vmax -30vmax,
            10vmax 0vmax,
            20vmax 10vmax,
            30vmax 70vmax;
    }

    75% {
        background-size:
            90vmax 90vmax,
            90vmax 90vmax,
            100vmax 100vmax,
            90vmax 90vmax,
            70vmax 70vmax;
        background-position:
            -50vmax -40vmax,
            50vmax -30vmax,
            20vmax 0vmax,
            -10vmax 10vmax,
            40vmax 60vmax;
    }
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    cursor: pointer;
    border: 0;
    background: none;
    margin: 0;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
    box-shadow: none;
}

ul {
    margin: 0;
}

.filters {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

.grain {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.035;
    filter: url(#grain);
    background: rgba(255, 255, 255, 0.9);
    mix-blend-mode: soft-light;
}

.progress-track {
    position: fixed;
    inset: 0 0 auto;
    width: 100%;
    height: 2px;
    background: var(--border);
    z-index: 30;
}

.progress-fill {
    width: 8.3333%;
    height: 100%;
    background: var(--accent);
    transition: width var(--transition-speed) ease;
}

.page-shell {
    position: relative;
    z-index: 1;
    width: 100vw;
    height: 100vh;
    isolation: isolate;
}

.presentation-swiper,
.presentation-swiper .swiper-wrapper,
.presentation-swiper .swiper-slide {
    width: 100%;
    height: 100%;
}

.presentation-swiper {
    overflow: hidden;
    cursor: default;
}

.slide {
    pointer-events: none;
    overflow: hidden;
}

.slide.is-active {
    pointer-events: auto;
}

.slide__viewport {
    width: 100%;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.slide__viewport::-webkit-scrollbar {
    width: 0;
    height: 0;
}

.slide__container.container {
    width: min(calc(100% - clamp(48px, 8vw, 96px)), var(--slide-width));
    max-width: var(--slide-width);
    min-height: 100vh;
    margin: 0 auto;
    padding: 64px 0 84px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 24px;
}

.slide__container--hero.container {
    justify-content: center;
    gap: 22px;
}

.slide-block.row,
.slide__container.container .row {
    margin-bottom: 0;
}

.slide__container.container .columns {
    width: 100%;
    margin-left: 0;
}

.slide__head {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: min(920px, 100%);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
}

.eyebrow::after {
    content: "";
    width: 40px;
    height: 1px;
    background: var(--accent);
}

h1,
h2,
h3 {
    margin: 0;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-weight: 600;
}

h1 {
    font-size: 72px;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 52px;
    line-height: 1.1;
    letter-spacing: -0.015em;
}

h3 {
    font-size: 32px;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

p,
li {
    margin: 0;
    font-size: 18px;
    line-height: 1.65;
    color: var(--text-secondary);
}

.hero-brand {
    font-size: 13px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.hero-subtitle {
    max-width: 560px;
    font-size: 22px;
    line-height: 1.55;
    color: var(--text-secondary);
}

.pulse-dot {
    position: relative;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(124, 111, 255, 0.18);
}

.pulse-dot::after {
    content: "";
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 111, 255, 1) 0%, rgba(124, 111, 255, 0.18) 38%, rgba(124, 111, 255, 0.5) 10%);
    opacity: 0.15;
    pointer-events: none;
    animation: pulseDotGlow 2.6s ease-in-out infinite;
}

.swipe__animate {
    position: absolute;
    right: 0;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border 200ms ease, box-shadow 200ms ease;
}

.card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 24px var(--accent-glow);
}

.meta-strip,
.criteria-grid,
.audience-grid,
.feature-grid,
.reaction-grid,
.detail-grid,
.rating-sources {
    display: grid;
    gap: 16px;
}

.meta-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.meta-pill {
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(15, 15, 26, 0.72);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.meta-pill strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.slide-note {
    padding: 18px 20px;
    border-top: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.6;
}

.module-flow,
.step-flow {
    display: flex;
    align-items: stretch;
    gap: 14px;
    width: 100%;
}

.module-card,
.step-card {
    flex: 1 1 0;
    min-width: 0;
}

.module-card {
    padding: 18px 18px 20px;
    border-radius: 12px;
    background: var(--accent-soft);
    border: 1px solid var(--border-accent);
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: center;
    min-height: 180px;
}

.module-card__num,
.criterion-card__num,
.section-kicker,
.feature-card__kicker,
.audience-card__kicker,
.panel-card__kicker,
.stage-card__period {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
}

.module-card__title {
    font-size: 22px;
    line-height: 1.2;
    color: var(--text-primary);
}

.module-card__text,
.criterion-card__text,
.feature-card__text,
.audience-card__text,
.reaction-card__text,
.panel-card__text,
.stage-card__text,
.detail-card li,
.rating-source__text {
    font-size: 15px;
    line-height: 1.55;
    color: var(--text-secondary);
}

.step-arrow {
    display: grid;
    place-items: center;
    flex: 0 0 18px;
    color: var(--accent);
    font-size: 24px;
    align-self: center;
}

.criteria-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.criterion-card,
.detail-card {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.criterion-card__title,
.feature-card__title,
.audience-card__title,
.reaction-card__title,
.panel-card__title,
.stage-card__title,
.detail-card__title {
    font-size: 20px;
    line-height: 1.3;
    color: var(--text-primary);
    font-weight: 500;
}

.audience-grid,
.feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.audience-card,
.feature-card,
.reaction-card {
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.audience-card ul,
.detail-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0;
}

.audience-card li,
.detail-card li {
    position: relative;
    padding-left: 21px;
}

.audience-card li::before,
.detail-card li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.step-card {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.step-card__num {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
}

.step-card__text {
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    font-weight: 500;
}

.split-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
    gap: 24px;
    align-items: stretch;
}

.left-stack,
.right-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.left-stack__row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 17px;
    line-height: 1.55;
    color: var(--text-secondary);
}

.left-stack__row::before {
    content: "→";
    color: var(--accent);
    flex-shrink: 0;
}

.panel-card {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: linear-gradient(180deg, rgba(124, 111, 255, 0.08) 0%, rgba(15, 15, 26, 1) 100%);
}

.temperature-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.temperature-tag {
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.3;
}

.temperature-tag.is-active {
    color: var(--text-primary);
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: 0 0 16px var(--accent-glow);
}

.detail-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.corridor {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.corridor__band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(15, 15, 26, 0.78);
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.45;
}

.corridor__band strong {
    flex: 0 0 78px;
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.corridor__band span {
    flex: 1 1 auto;
    text-align: right;
}

.corridor__band--accent {
    border-color: var(--border-accent);
    background: var(--accent-soft);
}

.rating-sources {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
}

.rating-source {
    padding: 14px 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(15, 15, 26, 0.78);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rating-source__num {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}

.reaction-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.reaction-card__icon {
    font-size: 20px;
    line-height: 1;
}

.roadmap {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    padding-top: 30px;
    align-items: stretch;
}

.roadmap::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 6px;
    right: 0;
    height: 1px;
    background: var(--border);
}

.stage-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 26px;
    padding-right: 8px;
    min-width: 0;
    height: 100%;
    transform: translateY(0);
    transition: opacity 420ms ease, transform 420ms ease;
}

.stage-card__node {
    position: absolute;
    top: 0;
    left: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    z-index: 1;
    transition: background-color 420ms ease, border-color 420ms ease, box-shadow 420ms ease;
}

.stage-card--current .stage-card__node {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.stage-card__body {
    padding: 20px 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    height: 100%;
    transition: border-color 420ms ease, background-color 420ms ease, box-shadow 420ms ease;
}

.stage-card--current .stage-card__body {
    border-color: var(--border-accent);
    background: var(--accent-soft);
    box-shadow: 0 0 24px var(--accent-glow);
}

.stage-card--future {
    opacity: 0.5;
    transform: translateY(12px);
}

.stage-card__status {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: auto;
    transition: color 420ms ease;
}

.stage-card__status.is-success {
    color: var(--success);
}

.stage-card__status.is-warning {
    color: var(--warning);
}

.stage-card__status.is-muted {
    color: var(--muted-status);
}

.final-lead {
    max-width: 640px;
    font-size: 22px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.final-meta {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.nav-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 25;
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(22, 22, 42, 0.92);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    text-align: center;
    aspect-ratio: 1 / 1;
    opacity: 0.82;
    transition: opacity 200ms ease, border-color 200ms ease, color 200ms ease, box-shadow 200ms ease;
}

.nav-btn:hover,
.nav-btn:focus-visible {
    border-color: var(--border-accent);
    color: var(--text-primary);
    box-shadow: 0 0 20px var(--accent-glow);
    opacity: 1;
}

.nav-btn[hidden],
.nav-btn.swiper-button-disabled {
    display: none;
}

.nav-btn--prev {
    left: 24px;
}

.nav-btn--next {
    right: 24px;
}

.slide-counter {
    position: fixed;
    right: 28px;
    bottom: 24px;
    z-index: 25;
    font-size: 13px;
    color: var(--text-secondary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

[data-animate] {
    opacity: 0;
    transform: var(--base-transform, none) translateY(16px);
}

.slide.is-active.is-revealing [data-animate] {
    animation: fadeUp 400ms ease forwards;
    animation-delay: var(--delay, 0ms);
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: var(--base-transform, none) translateY(16px);
    }

    to {
        opacity: 1;
        transform: var(--base-transform, none) translateY(0);
    }
}

@keyframes pulseDotGlow {

    0%,
    100% {
        opacity: 0.08;
        transform: scale(0.92);
        filter: blur(6px);
    }

    50% {
        opacity: 0.92;
        transform: scale(1.28);
        filter: blur(10px);
    }
}

@media (max-width: 1439px) {
    :root {
        --slide-width: 1080px;
    }

    h2 {
        font-size: 46px;
    }

    .criteria-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .reaction-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1279px) {
    h1 {
        font-size: 52px;
    }

    h2 {
        font-size: 38px;
    }

    h3 {
        font-size: 26px;
    }

    p,
    li {
        font-size: 16px;
    }

    .slide__container.container {
        padding-top: 56px;
        padding-bottom: 112px;
        gap: 20px;
    }

    .audience-grid,
    .feature-grid,
    .split-layout,
    .rating-sources,
    .meta-strip,
    .detail-grid,
    .detail-grid--two {
        grid-template-columns: 1fr;
    }

    .module-flow,
    .step-flow {
        flex-direction: column;
    }

    .module-card,
    .step-card {
        flex: 0 0 auto;
    }

    .step-arrow {
        --base-transform: rotate(90deg);
        transform: rotate(90deg);
        align-self: center;
    }

    .roadmap {
        grid-template-columns: 1fr;
        gap: 16px;
        padding-top: 0;
    }

    .roadmap::before {
        display: none;
    }

    .stage-card {
        padding-top: 0;
        padding-left: 28px;
    }

    .stage-card__node {
        top: 22px;
        left: 0;
    }

    .nav-btn {
        top: auto;
        bottom: 22px;
        transform: none;
        width: 44px;
        height: 44px;
    }

    .nav-btn--prev {
        left: 20px;
    }

    .nav-btn--next {
        right: 20px;
    }

    .slide-counter {
        right: 22px;
        bottom: 78px;
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    .slide__container.container {
        width: min(calc(100% - 32px), var(--slide-width));
        padding-top: 52px;
        padding-bottom: calc(154px + env(safe-area-inset-bottom, 0px));
    }

    .swipe__animate {
        top: 70%;
        left: 50%;
        transform: translate(-50%, -50%);
        right: auto;
    }

    .module-flow {
        position: relative;
        gap: 12px;
        padding-left: 26px;
    }

    .module-flow::before {
        content: "";
        position: absolute;
        top: 20px;
        bottom: 20px;
        left: 10px;
        width: 1px;
        background: var(--border-accent);
    }

    .module-flow .step-arrow {
        display: none;
    }

    .module-card {
        text-align: left;
        min-height: 0;
    }

    .criteria-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .slide-counter {
        right: 16px;
        bottom: 72px;
    }

    .nav-btn--prev {
        left: 12px;
    }

    .nav-btn--next {
        right: 12px;
    }
}

@media (max-height: 820px) {
    .slide__container.container {
        padding-top: 44px;
        padding-bottom: 52px;
        gap: 18px;
    }

    h1 {
        font-size: 62px;
    }

    h2 {
        font-size: 42px;
    }

    .module-card,
    .criterion-card,
    .audience-card,
    .feature-card,
    .step-card,
    .reaction-card,
    .stage-card__body,
    .detail-card,
    .panel-card {
        padding-top: 18px;
        padding-bottom: 18px;
    }
}

@media (max-width: 767px) and (max-height: 820px) {
    .slide__container.container {
        padding-bottom: calc(154px + env(safe-area-inset-bottom, 0px));
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 1ms !important;
    }
}