/* ==========================================================================
   Prumo 3D — landing page bands
   ========================================================================== */

.band {
    position: relative;
    padding-block: var(--section-y);
    isolation: isolate;
}

.band--light {
    color-scheme: light;
    background: var(--bone-100);
    color: var(--text-on-light-soft);
}

.band--light .band__title,
.band--light h3 {
    color: var(--text-on-light);
}

.band--light .lead {
    color: var(--text-on-light-soft);
}

.band--light .eyebrow {
    color: var(--hot-600);
}

/* The light bands carry faint layer lines, like the side wall of a big PLA print. */
.band--light::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: repeating-linear-gradient(0deg, rgb(20 22 26 / 0.035) 0 1px, transparent 1px 6px);
    mask-image: linear-gradient(to bottom, #000, transparent 70%);
    -webkit-mask-image: linear-gradient(to bottom, #000, transparent 70%);
}

.band__head {
    display: grid;
    gap: var(--space-4);
    margin-block-end: clamp(2.5rem, 5vw, 4rem);
}

.band__head--split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--space-5) var(--space-8);
}

.band__head--split > div {
    display: grid;
    gap: var(--space-4);
}

.band__title {
    font-size: var(--step-4);
    max-inline-size: 18ch;
}

.band__lead {
    justify-self: end;
    max-inline-size: 46ch;
}

@media (max-width: 860px) {
    .band__head--split {
        grid-template-columns: 1fr;
    }

    .band__lead {
        justify-self: start;
    }
}

/* ---------------------------------------------------------------- reveal on scroll
   Only with JavaScript: without it everything is simply visible. "print" reveals bottom-up in steps,
   "scan" sweeps a hot line across an image as it appears. */
.js [data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
    transition-delay: var(--reveal-delay, 0ms);
}

.js [data-reveal].is-in {
    opacity: 1;
    transform: none;
}

.js [data-reveal="print"] {
    opacity: 1;
    transform: none;
    clip-path: inset(100% 0 0 0);
    transition: clip-path 1s steps(12, end);
    transition-delay: var(--reveal-delay, 0ms);
}

.js [data-reveal="print"].is-in {
    clip-path: inset(-0.2em 0 -0.2em 0);
}

.js [data-reveal="scan"] {
    opacity: 1;
    transform: none;
    clip-path: inset(0 0 100% 0 round var(--radius-l));
    transition: clip-path 1.2s var(--ease-in-out);
}

.js [data-reveal="scan"].is-in {
    clip-path: inset(0 0 0 0 round var(--radius-l));
}

.js [data-reveal="scan"]::marker {
    content: none;
}

@media (prefers-reduced-motion: reduce) {
    .js [data-reveal],
    .js [data-reveal="print"],
    .js [data-reveal="scan"] {
        opacity: 1;
        transform: none;
        clip-path: none;
    }
}

/* ---------------------------------------------------------------- ticker */
.ticker {
    position: relative;
    padding-block: clamp(2.5rem, 5vw, 4rem);
    overflow: hidden;
    background: var(--ink-950);
}

.ticker__band {
    display: flex;
    overflow: hidden;
    padding-block: 0.9rem;
}

.ticker__band--hot {
    background: var(--hot-500);
    color: #1a0a02;
    transform: rotate(-2.2deg) scale(1.04);
    box-shadow: 0 20px 60px -20px var(--hot-glow);
    position: relative;
    z-index: 1;
}

.ticker__band--dark {
    margin-block-start: -1.4rem;
    background: var(--ink-800);
    color: var(--bone-100);
    border-block: 1px solid var(--line);
    transform: rotate(1.6deg) scale(1.04);
}

.ticker__track {
    display: flex;
    flex: none;
    animation: ticker 36s linear infinite;
}

.ticker__track--reverse {
    animation-direction: reverse;
    animation-duration: 44s;
}

.ticker:hover .ticker__track {
    animation-play-state: paused;
}

.ticker__set {
    display: flex;
    align-items: center;
    flex: none;
}

.ticker__word {
    padding-inline: 1.3rem;
    font-size: clamp(1.4rem, 1rem + 2vw, 2.4rem);
    font-weight: 800;
    font-stretch: 120%;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    white-space: nowrap;
}

.ticker__band--dark .ticker__word {
    color: transparent;
    -webkit-text-stroke: 1.2px var(--bone-200);
}

/* The separator is the logo's idea in miniature: three layers. */
.ticker__sep {
    inline-size: 22px;
    block-size: 16px;
    flex: none;
    background:
        linear-gradient(currentColor 0 0) 0 0 / 100% 3px no-repeat,
        linear-gradient(currentColor 0 0) 4px 6.5px / calc(100% - 8px) 3px no-repeat,
        linear-gradient(currentColor 0 0) 7px 13px / calc(100% - 14px) 3px no-repeat;
    opacity: 0.8;
}

@keyframes ticker {
    to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
    .ticker__track {
        animation: none;
    }
}

/* ---------------------------------------------------------------- services */
.band--services {
    background:
        radial-gradient(60% 40% at 0% 0%, rgb(236 121 37 / 0.07), transparent 70%),
        var(--ink-950);
}

.services {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 1.6rem);
    padding: 0;
    list-style: none;
    perspective: 1400px;
}

.service-card {
    --rx: 0deg;
    --ry: 0deg;
    --mx: 50%;
    --my: 50%;

    position: relative;
    display: grid;
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-l);
    overflow: hidden;
    isolation: isolate;
    background: var(--ink-850);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-card);
    transform: rotateX(var(--rx)) rotateY(var(--ry));
    transform-style: preserve-3d;
    transition: transform 0.6s var(--ease-out), box-shadow 0.6s var(--ease-out), border-color var(--dur-3);
    will-change: transform;
}

.service-card[data-tilting="true"] {
    transition: transform 0.12s linear, box-shadow 0.6s var(--ease-out), border-color var(--dur-3);
}

.service-card:hover {
    border-color: rgb(236 121 37 / 0.45);
    box-shadow: 0 30px 80px -30px rgb(0 0 0 / 0.9), 0 0 0 1px rgb(236 121 37 / 0.15), 0 20px 60px -30px var(--hot-glow);
}

.service-card__media {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.service-card__media img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    transform: scale(1.02);
    transition: transform 1.2s var(--ease-out), filter 0.8s var(--ease-out);
    filter: saturate(0.92) brightness(0.9);
}

.service-card:hover .service-card__media img {
    transform: scale(1.08);
    filter: saturate(1.05) brightness(1);
}

.service-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgb(8 9 11 / 0) 35%, rgb(8 9 11 / 0.72) 62%, rgb(8 9 11 / 0.96));
}

.service-card__body {
    align-self: end;
    display: grid;
    gap: 0.55rem;
    padding: clamp(1.1rem, 2vw, 1.6rem);
    transform: translateZ(40px);
}

.service-card__index {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--hot-400);
}

.service-card__title {
    font-size: clamp(1.35rem, 1.1rem + 0.8vw, 1.7rem);
    font-stretch: 112%;
    line-height: 1.05;
}

.service-card__text {
    font-size: var(--step--1);
    color: var(--text-soft);
    line-height: 1.5;
    max-block-size: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-block-size 0.6s var(--ease-out), opacity 0.5s var(--ease-out);
}

.service-card:hover .service-card__text,
.service-card:focus-within .service-card__text {
    max-block-size: 8rem;
    opacity: 1;
}

.service-card__cta {
    justify-self: start;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-block-size: 44px;
    margin-block-start: 0.2rem;
    padding: 0.55rem 1rem;
    border-radius: var(--radius-pill);
    background: rgb(255 255 255 / 0.08);
    border: 1px solid var(--line-strong);
    color: var(--text-strong);
    font-size: var(--step--1);
    font-weight: 700;
    text-decoration: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background var(--dur-2), border-color var(--dur-2), color var(--dur-2);
}

.service-card__cta svg {
    inline-size: 1rem;
    block-size: 1rem;
    transition: transform var(--dur-3) var(--ease-out);
}

.service-card__cta:hover,
.service-card:hover .service-card__cta {
    background: var(--hot-500);
    border-color: var(--hot-500);
    color: #1a0a02;
}

.service-card__cta:hover svg {
    transform: translateX(3px);
}

/* The chamber light follows the pointer across the card. */
.service-card__glare {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(420px circle at var(--mx) var(--my), rgb(255 160 110 / 0.2), transparent 45%);
    opacity: 0;
    transition: opacity var(--dur-3);
    mix-blend-mode: screen;
}

.service-card:hover .service-card__glare {
    opacity: 1;
}

/* On reveal, a hot scan line passes over the card once, like the first layer being laid. */
.service-card__scan {
    position: absolute;
    inset-inline: 0;
    inset-block-start: 0;
    z-index: 1;
    block-size: 2px;
    background: var(--hot-400);
    box-shadow: 0 0 18px 3px var(--hot-glow);
    opacity: 0;
    pointer-events: none;
}

.js .service-card.is-in .service-card__scan {
    animation: scan-down 1.1s var(--ease-in-out) var(--reveal-delay, 0ms) both;
}

@keyframes scan-down {
    0% { transform: translateY(0); opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(calc(var(--card-h, 480px))); opacity: 0; }
}

.carousel-dots {
    display: none;
}

/* Tablet: two columns, the description always visible (there is no hover to ask for it). */
@media (max-width: 1060px), (hover: none) {
    .services {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .service-card__text {
        max-block-size: none;
        opacity: 1;
    }
}

/* Phone: one swipeable row with the next card peeking in, and dots underneath. */
@media (max-width: 720px) {
    .services {
        display: flex;
        gap: 0.9rem;
        margin-inline: calc(-1 * var(--gutter));
        padding-inline: var(--gutter);
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scroll-padding-inline: var(--gutter);
        scrollbar-width: none;
        perspective: none;
    }

    .services::-webkit-scrollbar {
        display: none;
    }

    .service-card {
        flex: 0 0 min(80vw, 340px);
        scroll-snap-align: start;
        transform: none !important;
    }

    .service-card__body {
        transform: none;
    }

    .carousel-dots {
        display: flex;
        justify-content: center;
        gap: 6px;
        margin-block-start: var(--space-5);
    }

    .carousel-dots span {
        inline-size: 18px;
        block-size: 4px;
        border-radius: 4px;
        background: var(--line-strong);
        transition: inline-size var(--dur-3) var(--ease-out), background var(--dur-2);
    }

    .carousel-dots span[data-active="true"] {
        inline-size: 34px;
        background: var(--hot-500);
    }
}

/* ---------------------------------------------------------------- process */
.process {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: start;
}

.process__intro {
    position: sticky;
    inset-block-start: calc(var(--header-h) + 2rem);
    display: grid;
    gap: var(--space-5);
    justify-items: start;
}

.process__media {
    inline-size: 100%;
    aspect-ratio: 16 / 10;
    box-shadow: 0 30px 80px -40px rgb(20 22 26 / 0.6);
}

.process__steps {
    position: relative;
    display: grid;
    gap: clamp(2.5rem, 7vh, 5rem);
    padding: 0.5rem 0 0.5rem 3.25rem;
    list-style: none;
}

.process__line {
    position: absolute;
    inset-block: 0.8rem;
    inset-inline-start: 0.95rem;
    inline-size: 3px;
    border-radius: 3px;
    background: rgb(20 22 26 / 0.1);
}

.process__fill {
    position: absolute;
    inset-inline: 0;
    inset-block-start: 0;
    block-size: 100%;
    border-radius: 3px;
    background: linear-gradient(var(--hot-600), var(--hot-500));
    transform-origin: top;
    transform: scaleY(var(--fill, 0));
}

/* The nozzle riding the end of the extruded line. */
.process__nozzle {
    position: absolute;
    inset-inline-start: 50%;
    inset-block-start: calc(var(--fill, 0) * 100%);
    inline-size: 18px;
    block-size: 18px;
    border-radius: 50%;
    background: var(--hot-400);
    box-shadow: 0 0 0 5px rgb(236 121 37 / 0.18), 0 0 24px 4px var(--hot-glow);
    transform: translate(-50%, -50%);
}

.step {
    position: relative;
    display: grid;
    gap: 0.5rem;
    padding: clamp(1.25rem, 2.4vw, 1.8rem);
    border-radius: var(--radius-l);
    background: rgb(255 255 255 / 0.55);
    border: 1px solid var(--line-on-light);
    box-shadow: 0 1px 0 #fff inset;
    opacity: 0.45;
    transform: translateX(10px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), background 0.6s, box-shadow 0.6s;
}

.step[data-active="true"] {
    opacity: 1;
    transform: none;
    background: #fff;
    box-shadow: 0 24px 60px -30px rgb(20 22 26 / 0.35), 0 1px 0 #fff inset;
}

.step__node {
    position: absolute;
    inset-inline-start: calc(-3.25rem + 0.95rem + 1.5px);
    inset-block-start: 1.7rem;
    inline-size: 14px;
    block-size: 14px;
    border-radius: 50%;
    background: var(--bone-100);
    border: 3px solid rgb(20 22 26 / 0.22);
    transform: translateX(-50%);
    transition: border-color var(--dur-3), background var(--dur-3);
}

.step[data-active="true"] .step__node {
    border-color: var(--hot-500);
    background: var(--hot-500);
}

.step__num {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--hot-600);
}

.step__title {
    font-size: var(--step-2);
}

.step__text {
    color: var(--text-on-light-soft);
}

@media (max-width: 900px) {
    .process {
        grid-template-columns: 1fr;
    }

    .process__intro {
        position: static;
    }

    .process__cta {
        order: 10;
    }
}

@media (max-width: 560px) {
    .process__cta {
        inline-size: 100%;
        justify-content: center;
    }

    .process__steps {
        padding-inline-start: 2.6rem;
    }

    .process__line {
        inset-inline-start: 0.7rem;
    }

    .step__node {
        inset-inline-start: calc(-2.6rem + 0.7rem + 1.5px);
    }
}

/* ---------------------------------------------------------------- portfolio */
.band--portfolio {
    background:
        radial-gradient(50% 30% at 100% 10%, rgb(95 211 222 / 0.05), transparent 70%),
        var(--ink-900);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-block-end: var(--space-6);
}

.filter {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-block-size: 42px;
    padding: 0.5rem 0.95rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--line-strong);
    color: var(--text-soft);
    font-size: var(--step--1);
    font-weight: 600;
    transition: background var(--dur-2), color var(--dur-2), border-color var(--dur-2);
}

.filter:hover {
    color: var(--text-strong);
    border-color: var(--text-mute);
}

.filter[aria-pressed="true"] {
    background: var(--bone-50);
    border-color: var(--bone-50);
    color: var(--ink-1000);
}

.filter__count {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    opacity: 0.6;
}

@media (max-width: 720px) {
    .filters {
        flex-wrap: nowrap;
        overflow-x: auto;
        margin-inline: calc(-1 * var(--gutter));
        padding-inline: var(--gutter);
        scrollbar-width: none;
    }

    .filters::-webkit-scrollbar {
        display: none;
    }

    .filter {
        flex: none;
    }
}

.portfolio {
    columns: 3 300px;
    column-gap: clamp(0.9rem, 1.6vw, 1.3rem);
    padding: 0;
    list-style: none;
}

.piece {
    break-inside: avoid;
    margin-block-end: clamp(0.9rem, 1.6vw, 1.3rem);
    transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
}

.piece[data-filtered-out="true"] {
    display: none;
}

.piece[data-entering="true"] {
    opacity: 0;
    transform: scale(0.96) translateY(10px);
}

.piece__open {
    position: relative;
    display: block;
    inline-size: 100%;
    border-radius: var(--radius-l);
    overflow: hidden;
    isolation: isolate;
    text-align: start;
    background: var(--ink-850);
    border: 1px solid var(--line);
}

.piece__open img {
    inline-size: 100%;
    transition: transform 1s var(--ease-out), filter 0.6s;
}

.piece__open::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgb(8 9 11 / 0.85));
    opacity: 0.85;
    transition: opacity var(--dur-3);
}

.piece__open:hover img,
.piece__open:focus-visible img {
    transform: scale(1.06);
}

.piece__meta {
    position: absolute;
    inset-inline: 0;
    inset-block-end: 0;
    z-index: 1;
    display: grid;
    gap: 0.2rem;
    padding: 1.1rem 1.2rem;
    transform: translateY(6px);
    transition: transform var(--dur-3) var(--ease-out);
}

.piece__open:hover .piece__meta {
    transform: none;
}

.piece__cat {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--hot-400);
}

.piece__title {
    font-size: var(--step-1);
    font-weight: 700;
    font-stretch: 108%;
    color: var(--text-strong);
}

.piece__zoom {
    position: absolute;
    inset-block-start: 12px;
    inset-inline-end: 12px;
    z-index: 1;
    display: grid;
    place-items: center;
    inline-size: 40px;
    block-size: 40px;
    border-radius: 50%;
    background: rgb(8 9 11 / 0.6);
    border: 1px solid var(--line-strong);
    color: var(--text-strong);
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--dur-2), transform var(--dur-3) var(--ease-spring);
}

.piece__zoom svg {
    inline-size: 18px;
    block-size: 18px;
}

.piece__open:hover .piece__zoom,
.piece__open:focus-visible .piece__zoom {
    opacity: 1;
    transform: none;
}

@media (hover: none) {
    .piece__zoom {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 560px) {
    .portfolio {
        columns: 2 150px;
        column-gap: 0.65rem;
    }

    .piece {
        margin-block-end: 0.65rem;
    }

    .piece__meta {
        padding: 0.7rem 0.8rem;
    }

    .piece__title {
        font-size: 0.95rem;
    }

    .piece__zoom {
        inline-size: 32px;
        block-size: 32px;
    }
}

/* lightbox */
.lightbox {
    inline-size: min(1100px, 100vw - 2rem);
    max-inline-size: none;
    max-block-size: min(760px, 100dvh - 2rem);
    padding: 0;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-xl);
    background: var(--ink-900);
    color: var(--text);
    overflow: hidden;
    box-shadow: 0 50px 140px -30px rgb(0 0 0 / 0.95);
}

.lightbox::backdrop {
    background: rgb(4 5 6 / 0.82);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.lightbox[open] {
    animation: lightbox-in 0.5s var(--ease-out);
}

@keyframes lightbox-in {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
}

.lightbox__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    block-size: 100%;
    max-block-size: inherit;
}

.lightbox__media {
    display: grid;
    place-items: center;
    background: var(--ink-1000);
    min-block-size: 0;
}

.lightbox__media img {
    inline-size: 100%;
    block-size: 100%;
    max-block-size: min(760px, 100dvh - 2rem);
    object-fit: contain;
}

.lightbox__info {
    display: grid;
    align-content: center;
    justify-items: start;
    gap: var(--space-4);
    padding: clamp(1.5rem, 4vw, 3rem);
}

.lightbox__counter {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--text-mute);
}

.lightbox__title {
    font-size: var(--step-3);
    font-weight: 800;
    font-stretch: 116%;
    letter-spacing: -0.03em;
}

.lightbox__desc {
    color: var(--text-soft);
}

.lightbox__nav {
    display: flex;
    gap: 0.5rem;
    margin-block-start: var(--space-3);
}

.lightbox__arrow,
.lightbox__close {
    display: grid;
    place-items: center;
    inline-size: 48px;
    block-size: 48px;
    border-radius: 50%;
    border: 1px solid var(--line-strong);
    color: var(--text-strong);
    transition: background var(--dur-2), border-color var(--dur-2);
}

.lightbox__arrow:hover,
.lightbox__close:hover {
    border-color: var(--hot-500);
    background: rgb(236 121 37 / 0.1);
}

.lightbox__arrow svg,
.lightbox__close svg {
    inline-size: 22px;
    block-size: 22px;
}

.lightbox__close {
    position: absolute;
    inset-block-start: 14px;
    inset-inline-end: 14px;
    z-index: 2;
    background: rgb(8 9 11 / 0.6);
}

@media (max-width: 760px) {
    .lightbox {
        inline-size: 100vw;
        max-block-size: 100dvh;
        block-size: 100dvh;
        border-radius: 0;
        border: 0;
    }

    .lightbox__inner {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(0, 1fr) auto;
    }

    .lightbox__media img {
        max-block-size: 60dvh;
    }

    .lightbox__info {
        padding: 1.25rem var(--gutter) calc(1.25rem + env(safe-area-inset-bottom));
        gap: var(--space-3);
    }

    .lightbox__info .button {
        inline-size: 100%;
        justify-content: center;
    }

    .lightbox__nav {
        position: absolute;
        inset-block-start: calc(30dvh - 24px);
        inset-inline: 10px;
        justify-content: space-between;
        margin: 0;
        pointer-events: none;
    }

    .lightbox__arrow {
        pointer-events: auto;
        background: rgb(8 9 11 / 0.55);
    }
}

/* ---------------------------------------------------------------- materials */
.band--materials {
    background: var(--ink-950);
    overflow: clip;
}

.materials {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 5.5rem);
    align-items: center;
}

.materials__media {
    position: relative;
    aspect-ratio: 4 / 3.4;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--ink-850);
}

.materials__media img {
    inline-size: 100%;
    block-size: 118%;
    object-fit: cover;
    transform: translateY(var(--parallax, 0px));
}

.materials__orbit {
    position: absolute;
    inset: 12%;
    border-radius: 50%;
    border: 1px dashed rgb(255 255 255 / 0.18);
    animation: orbit 40s linear infinite;
    pointer-events: none;
}

.materials__orbit::after {
    content: "";
    position: absolute;
    inset-block-start: -5px;
    inset-inline-start: 50%;
    inline-size: 10px;
    block-size: 10px;
    border-radius: 50%;
    background: var(--hud-400);
    box-shadow: 0 0 14px var(--hud-400);
}

@keyframes orbit {
    to { transform: rotate(360deg); }
}

.materials__body {
    display: grid;
    gap: var(--space-5);
    justify-items: start;
}

.materials__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.35rem;
    border-radius: var(--radius-pill);
    background: var(--ink-850);
    border: 1px solid var(--line);
}

.materials__tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-block-size: 42px;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: var(--step--1);
    color: var(--text-soft);
    transition: background var(--dur-3) var(--ease-out), color var(--dur-2);
}

.materials__tab:hover {
    color: var(--text-strong);
}

.materials__tab[aria-selected="true"] {
    background: var(--bone-50);
    color: var(--ink-1000);
}

.materials__swatch {
    inline-size: 12px;
    block-size: 12px;
    border-radius: 50%;
    flex: none;
    box-shadow: 0 0 0 2px rgb(255 255 255 / 0.12) inset;
}

.materials__swatch--pla { background: var(--hot-500); }
.materials__swatch--petg { background: #d9f2ef; }
.materials__swatch--abs { background: #2b2e34; box-shadow: 0 0 0 1.5px var(--text-mute) inset; }
.materials__swatch--tpu { background: var(--hud-500); }
.materials__swatch--resina { background: linear-gradient(135deg, #c98a5d, #7a4b2e); }

.materials__panel {
    display: grid;
    gap: var(--space-5);
    inline-size: 100%;
    animation: panel-in 0.5s var(--ease-out);
}

@keyframes panel-in {
    from { opacity: 0; transform: translateY(8px); }
}

.materials__text {
    font-size: var(--step-1);
    color: var(--text);
    max-inline-size: 48ch;
}

.meters {
    display: grid;
    gap: 0.9rem;
    inline-size: 100%;
    max-inline-size: 460px;
}

.meter {
    display: grid;
    grid-template-columns: 8.5rem 1fr;
    align-items: center;
    gap: var(--space-4);
}

.meter dt {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.meter dd {
    margin: 0;
}

/* The meter is five stacked layers laid side by side — a tiny print. */
.meter__layers {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
}

.meter__layer {
    block-size: 12px;
    border-radius: 3px;
    background: rgb(255 255 255 / 0.07);
    transform: scaleY(0.4);
    transition: transform 0.5s var(--ease-spring), background 0.4s;
}

.meter__layer.is-on {
    background: linear-gradient(180deg, var(--hot-400), var(--hot-600));
    box-shadow: 0 0 12px -2px var(--hot-glow);
    transform: none;
}

.materials__panel .meter__layer.is-on:nth-child(2) { transition-delay: 60ms; }
.materials__panel .meter__layer.is-on:nth-child(3) { transition-delay: 120ms; }
.materials__panel .meter__layer.is-on:nth-child(4) { transition-delay: 180ms; }
.materials__panel .meter__layer.is-on:nth-child(5) { transition-delay: 240ms; }

@media (max-width: 900px) {
    .materials {
        grid-template-columns: 1fr;
    }

    .materials__media {
        aspect-ratio: 16 / 10;
    }
}

@media (max-width: 560px) {
    .materials__tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        inline-size: calc(100% + 2 * var(--gutter));
        margin-inline: calc(-1 * var(--gutter));
        border-radius: 0;
        border-inline: 0;
        padding-inline: var(--gutter);
        scrollbar-width: none;
    }

    .materials__tabs::-webkit-scrollbar {
        display: none;
    }

    .materials__tab {
        flex: none;
    }

    .meter {
        grid-template-columns: 7rem 1fr;
    }
}

/* ---------------------------------------------------------------- studio */
.band--studio {
    background: var(--ink-900);
}

.studio__media {
    aspect-ratio: 21 / 9;
    margin-block-end: clamp(2.5rem, 5vw, 4.5rem);
}

.studio__media img {
    block-size: 120%;
    transform: translateY(var(--parallax, 0px));
}

.studio {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-5) clamp(2rem, 6vw, 5rem);
    align-items: end;
}

.studio__copy {
    display: grid;
    gap: var(--space-4);
}

.studio__body {
    max-inline-size: 54ch;
}

.highlights {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(0.8rem, 1.6vw, 1.2rem);
    margin-block-start: clamp(2.5rem, 5vw, 4rem);
    padding: 0;
    list-style: none;
}

.highlight {
    position: relative;
    display: grid;
    align-content: start;
    gap: 0.6rem;
    padding: clamp(1.2rem, 2vw, 1.6rem);
    border-radius: var(--radius-l);
    background: linear-gradient(180deg, rgb(255 255 255 / 0.04), rgb(255 255 255 / 0.015));
    border: 1px solid var(--line);
    transition: border-color var(--dur-3), transform var(--dur-3) var(--ease-out), background var(--dur-3);
}

.highlight:hover {
    border-color: rgb(236 121 37 / 0.4);
    transform: translateY(-4px);
    background: linear-gradient(180deg, rgb(236 121 37 / 0.08), rgb(255 255 255 / 0.015));
}

.highlight__icon {
    display: grid;
    place-items: center;
    inline-size: 48px;
    block-size: 48px;
    border-radius: 14px;
    background: rgb(236 121 37 / 0.12);
    color: var(--hot-400);
    margin-block-end: 0.4rem;
}

.highlight__icon svg {
    inline-size: 26px;
    block-size: 26px;
}

.highlight__title {
    font-size: var(--step-1);
}

.highlight__text {
    font-size: var(--step--1);
    color: var(--text-soft);
}

@media (max-width: 1000px) {
    .highlights {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .studio {
        grid-template-columns: 1fr;
    }

    .studio__media {
        aspect-ratio: 4 / 3;
    }
}

@media (max-width: 480px) {
    .highlights {
        grid-template-columns: 1fr;
    }
}

/* ---------------------------------------------------------------- faq */
.faq {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
}

.faq__intro {
    position: sticky;
    inset-block-start: calc(var(--header-h) + 2rem);
    display: grid;
    gap: var(--space-5);
    justify-items: start;
}

.faq__card {
    display: grid;
    gap: var(--space-4);
    justify-items: start;
    padding: var(--space-5);
    border-radius: var(--radius-l);
    background: #fff;
    border: 1px solid var(--line-on-light);
    box-shadow: 0 24px 60px -34px rgb(20 22 26 / 0.4);
    color: var(--text-on-light);
    font-weight: 600;
}

.faq__list {
    display: grid;
    gap: 0.75rem;
}

.faq-item {
    border-radius: var(--radius-l);
    background: rgb(255 255 255 / 0.65);
    border: 1px solid var(--line-on-light);
    transition: background var(--dur-3), box-shadow var(--dur-3);
    overflow: hidden;
}

.faq-item[open] {
    background: #fff;
    box-shadow: 0 20px 50px -30px rgb(20 22 26 / 0.35);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-block-size: 64px;
    padding: 1rem 1.25rem 1rem 1.5rem;
    cursor: pointer;
    list-style: none;
    font-size: var(--step-1);
    font-weight: 700;
    font-stretch: 104%;
    color: var(--text-on-light);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item__icon {
    display: grid;
    place-items: center;
    inline-size: 38px;
    block-size: 38px;
    flex: none;
    border-radius: 50%;
    background: var(--bone-100);
    color: var(--text-on-light);
    transition: transform var(--dur-3) var(--ease-out), background var(--dur-2), color var(--dur-2);
}

.faq-item__icon svg {
    inline-size: 18px;
    block-size: 18px;
}

.faq-item[open] .faq-item__icon {
    transform: rotate(45deg);
    background: var(--hot-500);
    color: #1a0a02;
}

.faq-item__body {
    padding: 0 1.5rem 1.4rem;
    color: var(--text-on-light-soft);
}

.faq-item__body a {
    color: var(--hot-700);
}

.faq-item__body ul,
.faq-item__body ol {
    padding-inline-start: 1.2rem;
}

@media (max-width: 900px) {
    .faq {
        grid-template-columns: 1fr;
    }

    .faq__intro {
        position: static;
    }

    .faq__card {
        order: 10;
    }
}

/* ---------------------------------------------------------------- final call */
.band--cta {
    background: var(--ink-1000);
    overflow: clip;
}

.cta__glow {
    position: absolute;
    inset-inline-start: 50%;
    inset-block-start: 55%;
    z-index: -1;
    inline-size: min(1200px, 150vw);
    aspect-ratio: 1.6;
    border-radius: 50%;
    background:
        radial-gradient(closest-side, rgb(236 121 37 / 0.32), rgb(236 121 37 / 0.08) 55%, transparent 75%);
    transform: translate(-50%, -50%);
    filter: blur(20px);
}

.cta {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
}

.cta__copy {
    display: grid;
    gap: var(--space-5);
    justify-items: start;
}

.cta__title {
    font-size: var(--step-5);
    font-stretch: 122%;
    letter-spacing: -0.05em;
    line-height: 0.92;
    max-inline-size: 15.5ch;
}

.cta__actions {
    display: grid;
    gap: var(--space-3);
    justify-items: start;
    margin-block-start: var(--space-3);
}

.cta__note {
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-mute);
}

/* The conversation the visitor is about to start. */
.chat {
    inline-size: 100%;
    max-inline-size: 400px;
    justify-self: center;
    border-radius: 28px;
    overflow: hidden;
    background: #0b141a;
    border: 1px solid rgb(255 255 255 / 0.1);
    box-shadow: 0 50px 120px -40px rgb(0 0 0 / 0.95), 0 0 0 8px rgb(255 255 255 / 0.02);
    transform: rotate(2deg);
    transition: transform 0.8s var(--ease-out);
}

.chat:hover {
    transform: rotate(0deg) translateY(-4px);
}

.chat__head {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 1.1rem;
    background: #1f2c34;
}

.chat__avatar {
    display: grid;
    place-items: center;
    inline-size: 40px;
    block-size: 40px;
    border-radius: 50%;
    background: #fff;
}

/* The WhatsApp profile picture: the symbol on white, as on the client's profile (Design/marca). */
.chat__avatar .brand__mark {
    block-size: 26px;
}

.chat__who {
    display: grid;
    line-height: 1.25;
    color: #e9edef;
}

.chat__status {
    font-size: 0.78rem;
    color: #8696a0;
}

.chat__body {
    display: grid;
    align-content: end;
    gap: 0.55rem;
    min-block-size: 280px;
    padding: 1.1rem;
    background:
        radial-gradient(circle at 20% 20%, rgb(255 255 255 / 0.025) 0 1px, transparent 1.5px) 0 0 / 18px 18px,
        #0b141a;
}

.chat__bubble {
    max-inline-size: 86%;
    padding: 0.6rem 0.8rem;
    border-radius: 12px;
    font-size: 0.92rem;
    line-height: 1.4;
    color: #e9edef;
    opacity: 0;
    transform: translateY(8px) scale(0.98);
    transition: opacity 0.35s var(--ease-out), transform 0.45s var(--ease-spring);
}

.chat__bubble[data-shown="true"] {
    opacity: 1;
    transform: none;
}

.chat__bubble--out {
    justify-self: end;
    background: #005c4b;
    border-end-end-radius: 4px;
    min-block-size: 2.2em;
}

.chat__bubble--in {
    justify-self: start;
    background: #1f2c34;
    border-end-start-radius: 4px;
}

.chat__bubble--typing {
    display: inline-flex;
    gap: 4px;
    inline-size: fit-content;
}

.chat__bubble--typing[hidden] {
    display: none !important;
}

.chat__bubble--typing span {
    inline-size: 7px;
    block-size: 7px;
    border-radius: 50%;
    background: #8696a0;
    animation: typing 1.2s ease-in-out infinite;
}

.chat__bubble--typing span:nth-child(2) { animation-delay: 0.15s; }
.chat__bubble--typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing {
    30% { transform: translateY(-4px); opacity: 1; }
    0%, 60%, 100% { transform: none; opacity: 0.5; }
}

.chat__input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    margin: 0 0.7rem 0.7rem;
    padding: 0.35rem 0.35rem 0.35rem 1rem;
    border-radius: 999px;
    background: #1f2c34;
    color: #8696a0;
    font-size: 0.9rem;
}

.chat__send {
    display: grid;
    place-items: center;
    inline-size: 38px;
    block-size: 38px;
    border-radius: 50%;
    background: var(--wa-500);
    color: #062b14;
}

.chat__send svg {
    inline-size: 18px;
    block-size: 18px;
}

/* No script: the conversation is shown already written. */
html:not(.js) .chat__bubble {
    opacity: 1;
    transform: none;
}

html:not(.js) .chat__bubble--out::after {
    content: attr(data-text);
}

html:not(.js) .chat__bubble--typing {
    display: none;
}

@media (max-width: 900px) {
    .cta {
        grid-template-columns: 1fr;
    }

    .chat {
        transform: none;
    }
}

@media (max-width: 560px) {
    .cta__actions,
    .cta__actions .button {
        inline-size: 100%;
        justify-content: center;
        justify-items: center;
    }

    .cta__title {
        font-size: clamp(2.5rem, 11vw, 3.4rem);
    }
}