/*
 * Homepage visual storytelling — Phase D.
 *
 * Replaces the seven-step system list + five-panel product grid with one
 * process/product narrative. Product frames remain discrete objects because
 * their provenance and availability must be explicit; the surrounding story
 * stays open, editorial, and non-card-led.
 */

.td-home-product-story {
    padding: 0;
    background: #090d10;
}

.td-home-product-story > .td-vs-container {
    max-width: none;
    padding-inline: 0;
}

.td-product-story {
    overflow: clip;
}

.td-product-story__intro {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: end;
    padding: clamp(7rem, 11vw, 11rem) max(6vw, calc((100vw - 1240px) / 2));
    color: #eef2f4;
    background:
        radial-gradient(circle at 77% 28%, rgba(87, 135, 163, 0.09), transparent 28%),
        linear-gradient(180deg, #0d1317, #090d10);
}

.td-product-story__intro .td-vs-kicker {
    grid-column: 1 / -1;
    color: rgba(190, 205, 214, 0.48);
}

.td-product-story__intro h2 {
    max-width: 10ch;
    margin: 0;
    color: #f1f3f4;
    font-size: clamp(4rem, 7vw, 7.6rem);
    font-weight: 520;
    letter-spacing: -0.07em;
    line-height: 0.9;
}

.td-product-story__intro > p {
    max-width: 31rem;
    margin: 0;
    color: rgba(198, 210, 217, 0.67);
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    line-height: 1.65;
}

.td-product-story__sequence {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0;
    margin: clamp(3.5rem, 7vw, 7rem) 0 0;
    padding: 0;
    list-style: none;
    border-block-start: 1px solid rgba(190, 206, 216, 0.12);
}

.td-product-story__sequence li {
    position: relative;
    min-width: 0;
    padding: 1rem 0.65rem 0.5rem 0;
}

.td-product-story__sequence li:not(:last-child)::after {
    content: "";
    position: absolute;
    inset: 1.55rem 0.6rem auto auto;
    width: min(2.8rem, 28%);
    height: 1px;
    background: linear-gradient(90deg, rgba(184, 201, 212, 0.06), rgba(184, 201, 212, 0.24));
}

.td-product-story__sequence span {
    display: block;
    color: rgba(175, 191, 202, 0.34);
    font-family: var(--td-vs-font-mono);
    font-size: 0.56rem;
    font-weight: 650;
    letter-spacing: 0.08em;
}

.td-product-story__sequence strong {
    display: block;
    margin-block-start: 0.55rem;
    color: rgba(232, 237, 240, 0.72);
    font-size: clamp(0.76rem, 0.9vw, 0.92rem);
    font-weight: 560;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.td-product-story__beats {
    background: #0a0f12;
}

.td-product-story__beat {
    --td-product-accent: #7fbedf;
    --td-product-frame-line: rgba(167, 200, 220, 0.14);
    --td-product-frame-fill: rgba(15, 23, 28, 0.92);

    position: relative;
    isolation: isolate;
    display: grid;
    grid-template-columns: minmax(20rem, 0.72fr) minmax(32rem, 1.28fr);
    gap: clamp(4rem, 8vw, 9rem);
    align-items: center;
    min-height: clamp(46rem, 84svh, 60rem);
    padding: clamp(6rem, 10vw, 10rem) max(6vw, calc((100vw - 1240px) / 2));
    overflow: hidden;
    color: #eef2f3;
    background:
        radial-gradient(circle at 76% 45%, color-mix(in srgb, var(--td-product-accent) 8%, transparent), transparent 32%),
        #0a0f12;
}

.td-product-story__beat::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 211, 216, 0.12), transparent);
    pointer-events: none;
}

.td-product-story__beat--reverse {
    grid-template-columns: minmax(32rem, 1.28fr) minmax(20rem, 0.72fr);
}

.td-product-story__beat--reverse .td-product-story__copy {
    order: 2;
}

.td-product-story__beat--reverse .td-product-story__frame {
    order: 1;
}

.td-product-story__beat--record {
    --td-product-accent: #93a9b5;
    background:
        linear-gradient(105deg, rgba(234, 238, 239, 0.025), transparent 48%),
        #101619;
}

.td-product-story__beat--review {
    --td-product-accent: #caa65d;
    background:
        radial-gradient(circle at 74% 45%, rgba(202, 166, 93, 0.075), transparent 29%),
        #0b1013;
}

.td-product-story__beat--boundary {
    --td-product-accent: #a66f5b;
    background:
        radial-gradient(circle at 28% 50%, rgba(166, 111, 91, 0.065), transparent 31%),
        #111315;
}

.td-product-story__beat--return {
    --td-product-accent: #9eaa7c;
    background:
        radial-gradient(circle at 75% 42%, rgba(158, 170, 124, 0.07), transparent 30%),
        #0d1212;
}

.td-product-story__copy {
    position: relative;
    z-index: 2;
    max-width: 34rem;
}

.td-product-story__meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    color: rgba(188, 202, 210, 0.45);
    font-family: var(--td-vs-font-mono);
    font-size: 0.62rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.td-product-story__meta span:first-child {
    color: color-mix(in srgb, var(--td-product-accent) 74%, white 12%);
}

.td-product-story__copy h3 {
    max-width: 9.5ch;
    margin: 1.1rem 0 1.5rem;
    color: #f0f2f3;
    font-size: clamp(3.4rem, 5.7vw, 6rem);
    font-weight: 520;
    letter-spacing: -0.065em;
    line-height: 0.92;
}

.td-product-story__copy > p {
    max-width: 31rem;
    margin: 0;
    color: rgba(196, 207, 213, 0.66);
    font-size: clamp(1rem, 1.3vw, 1.14rem);
    line-height: 1.66;
}

.td-product-story__frame {
    position: relative;
    z-index: 1;
    min-width: 0;
    margin: 0;
    border: 1px solid var(--td-product-frame-line);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent 20%),
        var(--td-product-frame-fill);
    box-shadow:
        0 42px 90px rgba(0, 0, 0, 0.28),
        0 0 90px color-mix(in srgb, var(--td-product-accent) 5%, transparent);
}

.td-product-story__frame::before {
    content: "";
    position: absolute;
    inset: -1px;
    pointer-events: none;
    background: linear-gradient(120deg, color-mix(in srgb, var(--td-product-accent) 14%, transparent), transparent 28% 70%, rgba(255,255,255,0.025));
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    padding: 1px;
}

.td-product-story__frame figcaption {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    align-items: center;
    padding: 1rem 1.1rem;
    border-block-end: 1px solid rgba(184, 201, 212, 0.1);
}

.td-product-story__frame figcaption strong {
    color: rgba(232, 238, 241, 0.78);
    font-size: 0.86rem;
    font-weight: 600;
    letter-spacing: -0.015em;
}

.td-product-story__frame .td-vs-status {
    max-width: 66%;
    font-size: 0.55rem;
    white-space: normal;
}

.td-product-story__surface {
    position: relative;
    min-height: clamp(21rem, 34vw, 31rem);
    overflow: hidden;
    padding: clamp(2rem, 4vw, 4rem);
    background:
        linear-gradient(rgba(171, 194, 208, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(171, 194, 208, 0.045) 1px, transparent 1px),
        radial-gradient(circle at 72% 35%, color-mix(in srgb, var(--td-product-accent) 8%, transparent), transparent 37%),
        #0b1115;
    background-size: 54px 54px, 54px 54px, auto, auto;
}

.td-product-story__surface::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 34%;
    background: linear-gradient(180deg, transparent, rgba(7, 11, 14, 0.54));
    pointer-events: none;
}

.td-product-story__frame-copy {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(13rem, 0.75fr);
    gap: 2rem;
    padding: 1.3rem 1.35rem 1.45rem;
    border-block-start: 1px solid rgba(184, 201, 212, 0.09);
}

.td-product-story__frame-copy p {
    margin: 0;
    color: rgba(188, 201, 209, 0.59);
    font-size: 0.8rem;
    line-height: 1.55;
}

.td-product-story__frame-copy ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.td-product-story__frame-copy li {
    padding: 0.25rem 0;
    color: rgba(211, 220, 225, 0.67);
    font-family: var(--td-vs-font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

/* Decision surface */
.td-product-story__gate-line {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.55rem;
    max-width: 28rem;
    margin: 7% auto 0;
}

.td-product-story__gate-line span {
    height: 3px;
    background: rgba(193, 207, 216, 0.12);
}

.td-product-story__gate-line .is-complete {
    background: color-mix(in srgb, var(--td-product-accent) 68%, white 8%);
}

.td-product-story__gate-line .is-incomplete {
    background: #a56c58;
}

.td-product-story__surface-copy {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    max-width: 29rem;
    margin: clamp(2rem, 4vw, 3.4rem) auto 0;
    padding-block-end: 0.85rem;
    border-block-end: 1px solid rgba(186, 202, 211, 0.11);
}

.td-product-story__surface-copy small {
    color: rgba(172, 191, 202, 0.45);
    font-family: var(--td-vs-font-mono);
    font-size: 0.57rem;
    letter-spacing: 0.08em;
}

.td-product-story__surface-copy b {
    color: rgba(226, 233, 237, 0.8);
    font-size: 0.82rem;
    font-weight: 580;
}

.td-product-story__surface-result {
    max-width: 29rem;
    margin: clamp(2.8rem, 5vw, 4.6rem) auto 0;
    color: rgba(241, 244, 245, 0.9);
    font-size: clamp(2rem, 4.4vw, 4.2rem);
    font-weight: 540;
    letter-spacing: -0.055em;
    text-align: end;
}

/* Record surface */
.td-product-story__journal-grid {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 0.6rem;
    width: min(85%, 34rem);
    margin: 4% auto 0;
}

.td-product-story__journal-grid span {
    min-height: 3.2rem;
    border: 1px solid rgba(184, 199, 208, 0.09);
    background: rgba(158, 181, 194, 0.035);
}

.td-product-story__journal-grid span:nth-child(2),
.td-product-story__journal-grid span:nth-child(5) {
    min-height: 5.4rem;
}

.td-product-story__journal-note {
    width: min(85%, 34rem);
    height: 4.8rem;
    margin: 0.6rem auto 0;
    border-inline-start: 2px solid color-mix(in srgb, var(--td-product-accent) 60%, transparent);
    background: linear-gradient(90deg, color-mix(in srgb, var(--td-product-accent) 6%, transparent), transparent 72%);
}

.td-product-story__journal-tags {
    display: flex;
    gap: 0.45rem;
    width: min(85%, 34rem);
    margin: 0.8rem auto 0;
}

.td-product-story__journal-tags span {
    width: 4.5rem;
    height: 1.35rem;
    border: 1px solid rgba(186, 202, 211, 0.12);
    border-radius: 999px;
}

/* Review surface */
.td-product-story__review-line {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    width: min(88%, 37rem);
    margin: 9% auto 0;
}

.td-product-story__review-line::before {
    content: "";
    position: absolute;
    inset: 50% 0 auto;
    height: 1px;
    background: rgba(196, 204, 208, 0.11);
}

.td-product-story__review-line span {
    position: relative;
    z-index: 1;
    width: 0.7rem;
    aspect-ratio: 1;
    justify-self: center;
    border-radius: 50%;
    border: 1px solid rgba(215, 221, 224, 0.25);
    background: #0b1115;
}

.td-product-story__review-line span:nth-child(3) {
    background: var(--td-product-accent);
    box-shadow: 0 0 22px color-mix(in srgb, var(--td-product-accent) 24%, transparent);
}

.td-product-story__review-bars {
    display: flex;
    align-items: end;
    gap: 0.9rem;
    width: min(72%, 30rem);
    height: 9rem;
    margin: 3rem auto 0;
    padding-block-end: 0.2rem;
    border-block-end: 1px solid rgba(188, 201, 209, 0.11);
}

.td-product-story__review-bars i {
    flex: 1;
    height: var(--td-bar-height, 50%);
    background: linear-gradient(180deg, color-mix(in srgb, var(--td-product-accent) 48%, transparent), rgba(190, 204, 212, 0.035));
}

.td-product-story__review-bars i:nth-child(1) { --td-bar-height: 34%; }
.td-product-story__review-bars i:nth-child(2) { --td-bar-height: 67%; }
.td-product-story__review-bars i:nth-child(3) { --td-bar-height: 82%; }
.td-product-story__review-bars i:nth-child(4) { --td-bar-height: 48%; }
.td-product-story__review-bars i:nth-child(5) { --td-bar-height: 72%; }

.td-product-story__review-note {
    width: min(72%, 30rem);
    height: 2.4rem;
    margin: 1rem auto 0;
    border-inline-start: 2px solid var(--td-product-accent);
    background: linear-gradient(90deg, color-mix(in srgb, var(--td-product-accent) 7%, transparent), transparent);
}

/* Risk/boundary surface */
.td-product-story__risk-map {
    position: relative;
    width: min(82%, 34rem);
    height: 17rem;
    margin: 4% auto 0;
    border: 1px solid rgba(190, 201, 207, 0.08);
    background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent);
}

.td-product-story__risk-line {
    position: absolute;
    inset: 54% 8% auto;
    height: 1px;
    background: rgba(211, 216, 219, 0.22);
}

.td-product-story__risk-zone {
    position: absolute;
    inset: 16% 12% 16% auto;
    width: 29%;
    border: 1px solid color-mix(in srgb, var(--td-product-accent) 38%, transparent);
    background: color-mix(in srgb, var(--td-product-accent) 6%, transparent);
}

.td-product-story__risk-event {
    position: absolute;
    width: 0.8rem;
    aspect-ratio: 1;
    inset: calc(54% - 0.4rem) auto auto 54%;
    border-radius: 50%;
    background: var(--td-product-accent);
    box-shadow: 0 0 24px color-mix(in srgb, var(--td-product-accent) 20%, transparent);
}

.td-product-story__risk-copy {
    display: grid;
    grid-template-columns: 1.1fr 0.8fr 1.3fr;
    gap: 0.55rem;
    width: min(82%, 34rem);
    margin: 0.75rem auto 0;
}

.td-product-story__risk-copy span {
    height: 1.4rem;
    background: rgba(194, 205, 211, 0.045);
}

/* Course/return surface */
.td-product-story__frame--return .td-product-story__surface {
    display: grid;
    grid-template-columns: 0.38fr 1fr;
    grid-template-rows: 1fr auto;
    gap: 1rem;
}

.td-product-story__course-nav {
    grid-row: 1 / -1;
    display: grid;
    align-content: start;
    gap: 0.7rem;
    padding: 1rem;
    border: 1px solid rgba(187, 200, 206, 0.09);
}

.td-product-story__course-nav span {
    height: 2rem;
    background: rgba(194, 205, 211, 0.045);
}

.td-product-story__course-nav span:nth-child(2) {
    border-inline-start: 2px solid var(--td-product-accent);
    background: color-mix(in srgb, var(--td-product-accent) 7%, transparent);
}

.td-product-story__course-main {
    display: grid;
    align-content: start;
    gap: 0.8rem;
    padding: 1.5rem;
    border: 1px solid rgba(187, 200, 206, 0.09);
}

.td-product-story__course-main > span {
    width: 85%;
    height: 1rem;
    background: rgba(198, 208, 213, 0.055);
}

.td-product-story__course-main .td-product-story__course-title {
    width: 58%;
    height: 2.5rem;
    margin-block-end: 0.7rem;
    background: color-mix(in srgb, var(--td-product-accent) 8%, rgba(198, 208, 213, 0.04));
}

.td-product-story__course-next {
    height: 3.6rem;
    border-inline-start: 2px solid var(--td-product-accent);
    background: linear-gradient(90deg, color-mix(in srgb, var(--td-product-accent) 7%, transparent), transparent);
}

.td-product-story__outro {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 0.65fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: end;
    padding: clamp(7rem, 12vw, 12rem) max(6vw, calc((100vw - 1240px) / 2));
    color: #101518;
    background:
        radial-gradient(circle at 78% 32%, rgba(112, 128, 115, 0.08), transparent 28%),
        #edf0ee;
}

.td-product-story__outro .td-vs-kicker {
    grid-column: 1 / -1;
    color: #68757d;
}

.td-product-story__outro > p:not(.td-vs-kicker) {
    max-width: 13ch;
    margin: 0;
    color: #11171a;
    font-size: clamp(3.6rem, 7vw, 7.4rem);
    font-weight: 520;
    letter-spacing: -0.07em;
    line-height: 0.92;
}

.td-product-story__outro > span {
    max-width: 29rem;
    color: rgba(51, 61, 67, 0.62);
    font-size: 0.84rem;
    line-height: 1.6;
}

@media (max-width: 64rem) {
    .td-product-story__beat,
    .td-product-story__beat--reverse {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 3.5rem;
    }

    .td-product-story__beat--reverse .td-product-story__copy,
    .td-product-story__beat--reverse .td-product-story__frame {
        order: initial;
    }

    .td-product-story__copy {
        max-width: 46rem;
    }

    .td-product-story__copy h3 {
        max-width: 12ch;
    }

    .td-product-story__frame {
        width: min(100%, 52rem);
    }
}

@media (max-width: 52rem) {
    .td-product-story__intro,
    .td-product-story__outro {
        grid-template-columns: 1fr;
    }

    .td-product-story__intro .td-vs-kicker,
    .td-product-story__sequence,
    .td-product-story__outro .td-vs-kicker {
        grid-column: 1;
    }

    .td-product-story__sequence {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        row-gap: 0.7rem;
    }

    .td-product-story__sequence li:nth-child(4) {
        border-inline-end: 0;
    }
}

@media (max-width: 48rem) {
    .td-product-story__intro,
    .td-product-story__beat,
    .td-product-story__outro {
        padding-inline: clamp(1rem, 4vw, 1.5rem);
    }

    .td-product-story__intro,
    .td-product-story__outro {
        padding-block: clamp(5.5rem, 16vw, 8rem);
    }

    .td-product-story__intro h2 {
        max-width: 11ch;
        font-size: clamp(3.2rem, 13vw, 5.2rem);
    }

    .td-product-story__beat {
        padding-block: clamp(5rem, 15vw, 7rem);
    }

    .td-product-story__copy h3 {
        max-width: 11ch;
        font-size: clamp(3rem, 12vw, 4.8rem);
    }

    .td-product-story__frame figcaption {
        display: grid;
        gap: 0.7rem;
    }

    .td-product-story__frame .td-vs-status {
        max-width: 100%;
        justify-self: start;
    }

    .td-product-story__surface {
        min-height: 19rem;
        padding: 1.5rem;
        background-size: 42px 42px, 42px 42px, auto, auto;
    }

    .td-product-story__frame-copy {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .td-product-story__gate-line,
    .td-product-story__surface-copy,
    .td-product-story__surface-result,
    .td-product-story__journal-grid,
    .td-product-story__journal-note,
    .td-product-story__journal-tags,
    .td-product-story__review-line,
    .td-product-story__review-bars,
    .td-product-story__review-note,
    .td-product-story__risk-map,
    .td-product-story__risk-copy {
        width: 100%;
        max-width: none;
    }

    .td-product-story__surface-copy {
        gap: 1rem;
    }

    .td-product-story__surface-result {
        font-size: clamp(1.9rem, 9vw, 3rem);
    }

    .td-product-story__frame--return .td-product-story__surface {
        grid-template-columns: 0.44fr 1fr;
    }

    .td-product-story__outro > p:not(.td-vs-kicker) {
        max-width: 12ch;
        font-size: clamp(3.1rem, 13vw, 5rem);
    }
}

@media (max-width: 30rem) {
    .td-product-story__sequence {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        border-block-start: 0;
    }

    .td-product-story__sequence li {
        padding: 0.8rem 0.4rem;
        border-block-start: 1px solid rgba(190, 206, 216, 0.1);
    }

    .td-product-story__sequence li:not(:last-child)::after {
        display: none;
    }

    .td-product-story__sequence li:last-child {
        grid-column: 1 / -1;
    }

    .td-product-story__copy h3 {
        font-size: clamp(2.8rem, 13vw, 4rem);
    }

    .td-product-story__surface {
        min-height: 17rem;
        padding: 1.1rem;
    }

    .td-product-story__surface-copy {
        display: grid;
        gap: 0.4rem;
    }

    .td-product-story__surface-copy b {
        justify-self: end;
    }

    .td-product-story__frame--return .td-product-story__surface {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .td-product-story__course-nav {
        grid-row: auto;
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
    }

    .td-product-story__course-nav span {
        height: 1.45rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .td-product-story *,
    .td-product-story *::before,
    .td-product-story *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}