/* ============================================================
   i360 · Método i360 Automotivo
   Landing page — tema black, amarelo de sinalização, branco.
   Sistema: ficha técnica industrial (grade visível, filete 1px,
   marcadores de canto, numeração em escala de placa).
   ============================================================ */

/* ---------- 1. Tokens ---------- */

:root {
    /* superfícies: preto sempre puxado para o amarelo da marca */
    --ink: oklch(0.13 0.008 96);
    --ink-raised: oklch(0.168 0.009 96);
    --ink-sunken: oklch(0.105 0.008 96);

    /* estrutura */
    --line: oklch(0.30 0.012 96);
    --line-soft: oklch(0.22 0.010 96);
    /* bordas de campo: 3:1 contra o fundo, exigência de componente de UI */
    --line-field: oklch(0.48 0.012 96);

    /* texto */
    --paper: oklch(0.97 0.006 96);
    --paper-dim: oklch(0.735 0.010 96);
    --paper-faint: oklch(0.60 0.012 96);

    /* sinalização */
    --signal: #FFC13E;
    --signal-deep: #E5A920;

    --font-display: "Archivo", "Arial Narrow", Arial, sans-serif;
    --font-body: "Hanken Grotesk", "Segoe UI", Arial, sans-serif;

    --wrap: 1280px;
    --gutter: clamp(1.25rem, 5vw, 4rem);
    --section-y: clamp(4.5rem, 11vh, 8.5rem);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --cross: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11'%3E%3Cpath d='M5.5 0v11M0 5.5h11' stroke='%23FFC13E' stroke-width='1'/%3E%3C/svg%3E");
}

/* ---------- 2. Reset ---------- */

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

* {
    margin: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-body);
    font-size: clamp(1rem, 0.97rem + 0.15vw, 1.075rem);
    line-height: 1.65;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img,
svg {
    display: block;
    max-width: 100%;
}

[hidden] {
    display: none !important;
}

img {
    height: auto;
}

ul,
ol {
    list-style: none;
    padding: 0;
}

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

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 3px;
}

::selection {
    background: var(--signal);
    color: var(--ink);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 100;
    background: var(--signal);
    color: var(--ink);
    padding: 0.75rem 1.25rem;
    font-weight: 700;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

/* ---------- 3. Estrutura ---------- */

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

/* grade vertical de fundo, discreta */
.grid-rule {
    position: fixed;
    inset: 0;
    z-index: 0;
    display: none;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: var(--gutter);
    pointer-events: none;
}

.grid-rule span {
    flex: 1;
    border-right: 1px solid var(--line-soft);
    opacity: 0.45;
}

.grid-rule span:last-child {
    border: 0;
}

@media (min-width: 1024px) {
    .grid-rule {
        display: flex;
    }
}

main {
    position: relative;
    z-index: 1;
}

section[id] {
    scroll-margin-top: 5rem;
}

/* ---------- 4. Tipografia ---------- */

.display {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 104;
    font-weight: 780;
    line-height: 1.03;
    letter-spacing: -0.025em;
    text-wrap: balance;
}

.display--xl {
    font-size: clamp(2.05rem, 3.9vw, 3.5rem);
    line-height: 1.06;
}

.display--lg {
    font-size: clamp(1.8rem, 3.2vw, 2.85rem);
    line-height: 1.08;
}

.display--md {
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    text-transform: uppercase;
    font-variation-settings: "wdth" 116;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.display--xl em {
    font-style: normal;
    color: var(--signal);
}

.label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--paper-faint);
    line-height: 1.5;
}

.label--signal {
    color: var(--signal);
}

.label__slash {
    opacity: 0.55;
    margin-right: 0.35em;
}

.num {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 112;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
}

/* ---------- 5. Botões ---------- */

.btn {
    --btn-py: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 48px;
    padding: var(--btn-py) 1.5rem;
    font-family: var(--font-display);
    font-variation-settings: "wdth" 108;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.btn--sm {
    --btn-py: 0.7rem;
    font-size: 0.8rem;
    padding-inline: 1.1rem;
    min-height: 42px;
}

.btn--lg {
    --btn-py: 1.15rem;
    font-size: clamp(0.95rem, 1.4vw, 1.075rem);
    padding-inline: 1.9rem;
}

.btn--block {
    width: 100%;
}

.btn--signal {
    background: var(--signal);
    color: oklch(0.14 0.02 96);
}

.btn--signal:hover,
.btn--signal:focus-visible {
    background: var(--signal-deep);
}

.btn--ink {
    background: oklch(0.13 0.01 96);
    color: var(--paper);
}

.btn--ink:hover,
.btn--ink:focus-visible {
    background: oklch(0.08 0.01 96);
}

.btn--ghost {
    border-color: var(--line);
    color: var(--paper);
}

.btn--ghost:hover {
    background: var(--signal);
    color: var(--ink);
    border-color: var(--signal);
}

.btn__arrow {
    width: 16px;
    height: 16px;
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    transition: transform 0.4s var(--ease);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

/* ---------- 6. Barra superior ---------- */

.topbar {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    background: oklch(0.115 0.008 96 / 0.92);
    border-bottom: 1px solid var(--line-soft);
    transform: translateY(-100%);
    transition: transform 0.5s var(--ease);
}

.topbar.is-visible {
    transform: translateY(0);
}

.topbar__inner {
    max-width: var(--wrap);
    margin-inline: auto;
    padding: 0.6rem var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    display: block;
    flex: none;
}

.logo__img {
    display: block;
    width: auto;
    height: clamp(2rem, 3.5vw, 2.65rem);
}

/* ---------- Faixa de aviso (Pre-hero) ---------- */

.target-bar {
    background: var(--signal);
    color: var(--ink);
    padding-block: 22px;
}

.target-bar__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.target-bar__text {
    font-family: var(--font-display);
    font-size: clamp(0.8rem, 1.1vw, 0.95rem);
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--ink);
}

/* ---------- 7. Hero ---------- */

.hero {
    padding-top: clamp(2rem, 5vh, 4rem);
}

.hero__logo {
    width: 100%;
    margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.hero__logo-img {
    height: clamp(2.2rem, 4.5vw, 3.5rem);
    width: auto;
    display: block;
}

.hero__grid {
    display: grid;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
}

.hero__left,
.hero__right {
    display: grid;
    gap: clamp(1.25rem, 2.5vw, 1.8rem);
}

.hero__specs {
    margin-top: 0;
}

.hero__highlight {
    position: relative;
    min-height: clamp(23.75rem, 40vw, 33.25rem);
    margin-top: clamp(3rem, 7vw, 5.5rem);
    overflow: hidden;
    isolation: isolate;
    background-image:
        linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.32) 42%, rgba(0, 0, 0, 0.96) 100%),
        url("../venda-de-carros.webp");
    background-position: center;
    background-size: cover;
}

.hero__highlight::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: rgba(0, 0, 0, 0.22);
}

.hero__highlight-inner {
    position: absolute;
    right: 0;
    bottom: clamp(1.5rem, 4vw, 3.5rem);
    left: 0;
    width: min(calc(100% - 2 * var(--gutter)), var(--wrap));
    margin-inline: auto;
}

.highlight-grid {
    display: grid;
    grid-template-columns: 1fr;
    border-top: 1px solid var(--line-soft);
}

@media (min-width: 768px) {
    .highlight-grid {
        grid-template-columns: repeat(3, 1fr);
        border-top: none;
    }
}

.highlight-grid > article {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.8rem 0;
    color: var(--paper);
    font-size: clamp(0.88rem, 1.05vw, 0.98rem);
    font-weight: 500;
    line-height: 1.45;
    border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 768px) {
    .highlight-grid > article {
        padding: 0.85rem 1.1rem;
        border-bottom: none;
    }

    .highlight-grid > article:nth-child(3n + 1) {
        padding-left: 0;
    }

    .highlight-grid > article:not(:nth-child(3n + 1)) {
        border-left: 1px solid var(--line-soft);
    }

    .highlight-grid > article:nth-child(n + 4) {
        border-top: 1px solid var(--line-soft);
        padding-top: 0.85rem;
    }

    .highlight-grid > article:nth-child(-n + 3) {
        padding-bottom: 0.85rem;
    }
}

.highlight-grid > article:last-child {
    border-bottom: none;
}

.highlight-grid__icon {
    width: 0.85rem;
    height: 0.85rem;
    flex: none;
    margin-top: 0.28em;
    fill: none;
    stroke: var(--signal);
    stroke-width: 1.5;
    stroke-linecap: square;
    stroke-linejoin: miter;
}


@media (min-width: 900px) {
    .hero__grid {
        grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.85fr);
        column-gap: clamp(2.5rem, 5vw, 5rem);
        align-items: start;
    }
}

.hero h1 {
    max-width: 21ch;
}

.lede {
    max-width: 58ch;
    color: var(--paper-dim);
    font-size: clamp(1.02rem, 1.2vw, 1.15rem);
}

/* posicionamento: duas negações e uma afirmação */
.stance {
    border-top: 1px solid var(--line-soft);
    padding-top: 1.35rem;
    display: grid;
    gap: 0.55rem;
    max-width: 52ch;
}

.stance li {
    position: relative;
    padding-left: 1.75rem;
    font-size: 1.02rem;
    line-height: 1.45;
}

.stance li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 9px;
    height: 9px;
    border: 1px solid var(--paper-faint);
}

.stance__no {
    color: var(--paper-faint);
}

.stance__yes {
    color: var(--paper);
    font-weight: 600;
}

.stance__yes::before {
    background: var(--signal);
    border-color: var(--signal);
}

.cta-block {
    display: grid;
    gap: 1rem;
    justify-items: start;
}

.cta-block__note {
    max-width: 46ch;
    font-size: 0.92rem;
    color: var(--paper-faint);
    line-height: 1.55;
}

/* moldura de imagem */
.frame {
    position: relative;
    border: 1px solid var(--line);
    background: var(--ink-raised);
    aspect-ratio: 4 / 3;
}

.frame::after {
    content: "";
    position: absolute;
    inset: -6px;
    background-image: var(--cross), var(--cross), var(--cross), var(--cross);
    background-position: left top, right top, left bottom, right bottom;
    background-repeat: no-repeat;
    pointer-events: none;
}

.frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.35) contrast(1.05);
}

.frame--portrait img {
    object-position: 50% 28%;
}

.frame--portrait {
    aspect-ratio: 5 / 4;
}

@media (min-width: 900px) {
    .frame--portrait {
        aspect-ratio: 3 / 4;
    }
}

.frame--tall {
    aspect-ratio: 4 / 5;
}

.frame--wide {
    aspect-ratio: 16 / 10;
}

.frame--natural {
    aspect-ratio: auto;
}

.frame--natural img {
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: none;
}

/* estado sem imagem: hachura + etiqueta do que precisa entrar */
.frame--empty {
    background-image: repeating-linear-gradient(45deg,
            oklch(0.19 0.01 96) 0 10px,
            oklch(0.155 0.009 96) 10px 20px);
    display: grid;
    place-items: center;
}

.frame--empty::before {
    content: attr(data-swap);
    max-width: 80%;
    text-align: center;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--signal);
    border: 1px dashed var(--signal);
    padding: 0.6rem 0.9rem;
    background: oklch(0.13 0.008 96 / 0.85);
}

.frame__tag {
    position: absolute;
    left: 0;
    bottom: 0;
    background: var(--signal);
    color: var(--ink);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 0.4rem 0.8rem;
}

.frame--empty .frame__tag {
    display: none;
}

/* ficha de dados do hero */
.specs {
    margin-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.specs__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line-soft);
}

.specs__row dt {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--paper-faint);
    flex: none;
}

.specs__row dd {
    text-align: right;
    font-size: 0.98rem;
    line-height: 1.3;
}

.specs__row .num {
    font-size: 1.7rem;
    color: var(--signal);
    margin-right: 0.35rem;
}

.specs__row--wide dd {
    font-weight: 600;
}

/* faixa de marcas */
.marks {
    margin-top: clamp(3rem, 7vh, 5.5rem);
    border-block: 1px solid var(--line);
    padding: 1.5rem 0;
    display: grid;
    gap: 1rem;
    overflow: hidden;
}

.marks__label {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: var(--gutter);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--paper-faint);
}

.marks__track {
    display: flex;
    width: max-content;
    animation: slide 38s linear infinite;
}

.marks__lane {
    display: flex;
    align-items: center;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    padding-right: clamp(1.5rem, 4vw, 3.5rem);
}

.marks__lane span {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 118;
    font-weight: 800;
    font-size: clamp(1.5rem, 3.4vw, 2.6rem);
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: var(--paper);
    white-space: nowrap;
}

.marks__lane i {
    width: 7px;
    height: 7px;
    background: var(--signal);
    flex: none;
}

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

/* ---------- 8. Cabeçalho de seção ---------- */

.sec-head {
    display: grid;
    gap: 1rem;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.sec-head h2 {
    max-width: 20ch;
}

.sec-head--split h2 {
    max-width: 24ch;
}

/* ---------- 9. Seção 2 · Método ---------- */

.method {
    padding-block: var(--section-y);
}

.method__top {
    display: grid;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
}

@media (min-width: 940px) {
    .method__top {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }

    .method__top .sec-head {
        margin-bottom: 0;
        padding-top: 0.5rem;
    }
}

.brief {
    display: grid;
    gap: 1.25rem;
    border: 1px solid var(--line);
    padding: clamp(1.5rem, 3.5vw, 2.75rem);
    max-width: 62ch;
    position: relative;
}

.brief::after {
    content: "";
    position: absolute;
    inset: -6px;
    background-image: var(--cross), var(--cross), var(--cross), var(--cross);
    background-position: left top, right top, left bottom, right bottom;
    background-repeat: no-repeat;
    pointer-events: none;
}

.brief__intro {
    color: var(--paper);
    font-weight: 600;
}

.brief__list {
    counter-reset: b;
    display: grid;
    gap: 0.5rem;
}

.brief__list li {
    counter-increment: b;
    display: flex;
    gap: 0.9rem;
    color: var(--paper-dim);
}

.brief__list li::before {
    content: counter(b, decimal-leading-zero);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.78rem;
    color: var(--signal);
    padding-top: 0.35em;
    flex: none;
}

.brief__out {
    border-top: 1px solid var(--line-soft);
    padding-top: 1.25rem;
    font-weight: 600;
}

/* etapas */
.steps {
    margin-top: clamp(3rem, 6vw, 5rem);
    border-top: 1px solid var(--line);
}

.step {
    display: grid;
    grid-template-columns: minmax(72px, 12%) minmax(0, 1fr);
    gap: clamp(1rem, 3vw, 3rem);
    padding-block: clamp(1.75rem, 4vw, 3.25rem);
    border-bottom: 1px solid var(--line);
}

.step__num {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 112;
    font-weight: 800;
    font-size: clamp(2.75rem, 7vw, 5.5rem);
    line-height: 0.85;
    letter-spacing: -0.04em;
    color: var(--signal);
}

@supports (-webkit-text-stroke: 1px black) {
    .step__num {
        -webkit-text-stroke: 1.5px var(--signal);
        color: transparent;
        transition: color 0.5s var(--ease);
    }

    .step:hover .step__num {
        color: var(--signal);
    }
}

.step__body {
    display: grid;
    gap: 1rem;
    align-content: start;
    max-width: 68ch;
}

.step__title {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 114;
    font-weight: 800;
    font-size: clamp(1.35rem, 2.4vw, 2rem);
    text-transform: uppercase;
    letter-spacing: -0.005em;
    line-height: 1.1;
}

.step__desc {
    color: var(--paper-dim);
}

.step__aside {
    border-top: 1px solid var(--line-soft);
    padding-top: 1rem;
    color: var(--paper);
    font-weight: 600;
    font-size: 0.98rem;
    line-height: 1.5;
}

.step--tall .step__desc {
    color: var(--paper-faint);
    font-size: 0.92rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
}

/* etiquetas de item */
.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.chips li {
    border: 1px solid var(--line);
    padding: 0.45rem 0.85rem;
    font-size: 0.92rem;
    color: var(--paper);
    background: var(--ink-raised);
}

.chips--wide li {
    background: transparent;
}

.chips--outline li {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: transparent;
    border-color: var(--signal);
    color: var(--paper-dim);
}

.chips__arrow {
    width: 0.9rem;
    height: 0.9rem;
    flex: none;
    fill: none;
    stroke: var(--signal);
    stroke-width: 1.4;
    stroke-linecap: square;
    stroke-linejoin: miter;
}

/* frase de destaque, faixa banhada de amarelo */
.thesis {
    margin-top: clamp(3rem, 7vw, 5.5rem);
    background: var(--signal);
    color: oklch(0.14 0.02 96);
    padding-block: clamp(1.1rem, 2.5vw, 1.75rem);
    overflow: hidden;
}

.thesis__track {
    display: flex;
    width: max-content;
    animation: slide 46s linear infinite;
}

.thesis__lane {
    display: flex;
    gap: 3rem;
    padding-right: 3rem;
}

.thesis__lane span {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 110;
    font-weight: 800;
    font-size: clamp(1.35rem, 3.2vw, 2.5rem);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

/* ---------- 10. Seção 3 · Origem ---------- */

.roots {
    padding-block: var(--section-y);
    background: var(--ink-sunken);
    border-top: 1px solid var(--line-soft);
}

.roots__grid {
    display: grid;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
}

@media (min-width: 900px) {
    .roots__grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    }
}

.roots__text {
    display: grid;
    gap: 1.35rem;
    max-width: 62ch;
}

.roots__text .sec-head {
    margin-bottom: 0;
}

.roots__text > p {
    color: var(--paper-dim);
}

.roots__text > p:first-of-type {
    color: var(--paper);
    font-size: clamp(1.05rem, 1.3vw, 1.2rem);
}

.union {
    margin-top: clamp(2.5rem, 5vw, 4rem);
    border-top: 1px solid var(--line);
    padding-top: clamp(1.75rem, 3.5vw, 2.75rem);
    display: grid;
    gap: 1.5rem;
}

.union__title {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 108;
    font-weight: 800;
    font-size: clamp(1.5rem, 2.8vw, 2.25rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    max-width: 22ch;
}

.union__pair {
    display: grid;
    gap: 1.25rem;
}

@media (min-width: 760px) {
    .union__pair {
        grid-template-columns: 1fr 1fr;
        gap: clamp(1.5rem, 4vw, 3.5rem);
    }
}

.union__pair p {
    color: var(--paper-dim);
    padding-top: 1rem;
    border-top: 1px solid var(--line-soft);
}

.union__side {
    display: block;
    color: var(--signal);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.visit {
    margin-top: clamp(2.5rem, 5vw, 4rem);
    background: var(--ink-raised);
    border: 1px solid var(--line);
    padding: clamp(1.5rem, 4vw, 3rem);
    display: grid;
    gap: 1.75rem;
}

.visit__title {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 114;
    font-weight: 800;
    text-transform: uppercase;
    font-size: clamp(1.1rem, 1.9vw, 1.5rem);
    letter-spacing: 0.005em;
    color: var(--signal);
}

.visit__intro {
    margin-top: 0.6rem;
    color: var(--paper-dim);
    max-width: 54ch;
}

.visit__list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0;
    border-top: 1px solid var(--line-soft);
    align-content: start;
}

.visit__list li {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line-soft);
    color: var(--paper);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding-right: 1.5rem;
}

.visit__list li::before {
    content: "";
    width: 5px;
    height: 5px;
    background: var(--signal);
    flex: none;
}

.visit__stance {
    color: var(--paper-dim);
    line-height: 1.55;
}

.visit__stance strong {
    color: var(--paper);
    font-weight: 700;
}

/* ---------- 11. Seção 4 · Experiência real ---------- */

.proof {
    padding-top: var(--section-y);
}

.client {
    display: grid;
    gap: 1rem;
    padding-bottom: clamp(2rem, 4vw, 3rem);
    border-bottom: 1px solid var(--line);
}

.client__intro {
    color: var(--paper-dim);
    max-width: 52ch;
}

.client__brands {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: clamp(1rem, 3vw, 2.5rem);
}

.client__brands span {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 118;
    font-weight: 800;
    font-size: clamp(1.6rem, 4vw, 2.75rem);
    text-transform: uppercase;
    letter-spacing: -0.015em;
}

.client__brands i {
    width: 7px;
    height: 7px;
    background: var(--signal);
    flex: none;
}

.delivery {
    padding-block: clamp(2rem, 4vw, 3rem);
    display: grid;
    gap: 1.25rem;
}

.delivery__intro {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--paper-faint);
}

.delivery__list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    border-top: 1px solid var(--line-soft);
    counter-reset: d;
}

.delivery__list li {
    padding: 0.8rem 1.5rem 0.8rem 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 0.98rem;
    counter-increment: d;
}

.delivery__list li::before {
    content: counter(d, decimal-leading-zero);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.7rem;
    color: var(--signal);
    margin-right: 0.8rem;
    vertical-align: 0.15em;
}

/* case */
.case {
    margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.case__hero {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    min-height: clamp(520px, 75vh, 750px);
    display: flex;
    align-items: flex-end;
    margin-bottom: clamp(3rem, 6vw, 5rem);
    background: var(--ink-sunken);
}

.case__bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.case__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, oklch(0.105 0.008 96 / 0.98) 0%, oklch(0.105 0.008 96 / 0.65) 45%, oklch(0.105 0.008 96 / 0.15) 100%);
    z-index: 2;
}

.case__hero-wrap {
    position: relative;
    z-index: 3;
    width: 100%;
    padding-bottom: clamp(1.5rem, 4vw, 3rem);
}

.case__hero-content {
    display: grid;
    gap: 1rem;
    justify-items: center;
    text-align: center;
    max-width: 72ch;
    margin-inline: auto;
}

.case__title {
    margin-top: 0.2rem;
}

.case__hero-desc {
    max-width: 62ch;
    font-size: clamp(1.05rem, 1.3vw, 1.25rem);
    color: var(--paper);
    line-height: 1.55;
    margin-inline: auto;
}

.case__hero-solution {
    margin-top: 0.5rem;
    width: 100%;
}

.dims--center {
    max-width: 600px;
    margin-inline: auto;
}

.case__details {
    display: grid;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
}

@media (min-width: 900px) {
    .case__details {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }
}

.case__left {
    display: grid;
    gap: 1.35rem;
    color: var(--paper-dim);
}

.case__right {
    width: 100%;
}

.case__solution {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--paper-faint);
    margin-bottom: 0.75rem;
}

.case__punch {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 106;
    font-weight: 780;
    font-size: clamp(1.35rem, 2.6vw, 1.95rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--paper);
    border-top: 1px solid var(--line-soft);
    padding-top: 1.35rem;
}

/* dimensões do outdoor */
.dims {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.dims__item {
    padding: 0.9rem 0.5rem 0.9rem 0;
}

.dims__item + .dims__item {
    border-left: 1px solid var(--line-soft);
    padding-left: 0.6rem;
}

.dims__item dt {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--paper-faint);
    margin-bottom: 0.35rem;
}

.dims__item dd .num {
    font-size: clamp(1.9rem, 4.5vw, 3rem);
    color: var(--signal);
    line-height: 1;
    display: block;
}

.dims__unit {
    display: block;
    font-size: 0.78rem;
    color: var(--paper-dim);
    margin-top: 0.3rem;
}

.dims__item--total dd .num {
    color: var(--paper);
}

/* citação */
.quote {
    margin-top: clamp(2.5rem, 5vw, 4rem);
    display: grid;
    gap: 1.25rem;
    max-width: 46ch;
}

.quote__intro {
    font-size: 0.9rem;
    color: var(--paper-faint);
}

.quote blockquote {
    position: relative;
    font-family: var(--font-display);
    font-variation-settings: "wdth" 104;
    font-weight: 700;
    font-size: clamp(1.4rem, 3vw, 2.15rem);
    line-height: 1.15;
    letter-spacing: -0.025em;
    padding-top: 3.25rem;
}

.quote blockquote::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 2.75rem;
    height: 3px;
    background: var(--signal);
}

/* galeria de materiais */
.gallery {
    margin-top: clamp(2.5rem, 5vw, 4rem);
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    grid-auto-rows: clamp(200px, 22vw, 300px);
}

.gallery .frame {
    aspect-ratio: auto;
    height: 100%;
}

@media (min-width: 900px) {
    .gallery {
        grid-template-columns: 1.6fr 1fr 1fr;
    }
}

/* resultados (bloco desativado até haver números auditáveis) */
.results {
    margin-top: clamp(2.5rem, 5vw, 4rem);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    border-top: 1px solid var(--line);
}

.results__item {
    padding: 1.5rem 1rem 1.5rem 0;
    border-bottom: 1px solid var(--line);
}

.results__item dt {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--paper-faint);
    margin-bottom: 0.5rem;
}

.results__item .num {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--signal);
}

/* faixa de passagem para o formulário */
.handoff {
    margin-top: clamp(3.5rem, 8vw, 6rem);
    background: var(--signal);
    color: oklch(0.14 0.02 96);
    padding-block: clamp(2rem, 5vw, 3.5rem);
}

.handoff__inner {
    display: grid;
    gap: 1.5rem;
    align-items: center;
}

@media (min-width: 860px) {
    .handoff__inner {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 2.5rem;
    }
}

.handoff__text {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 106;
    font-weight: 800;
    font-size: clamp(1.6rem, 3.6vw, 2.75rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    max-width: 20ch;
}

/* ---------- 12. Seção 5 · Diagnóstico ---------- */

.diag {
    padding-block: var(--section-y);
    background: var(--ink-sunken);
}

.diag__grid {
    display: grid;
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
}

@media (min-width: 980px) {
    .diag__grid {
        grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    }

    .diag__intro {
        position: sticky;
        top: 5.5rem;
    }
}

.diag__intro {
    display: grid;
    gap: 1.35rem;
}

.diag__lede {
    color: var(--paper-dim);
    margin-top: 0.5rem;
}

.diag__list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--line-soft);
}

.diag__list li {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--line-soft);
    color: var(--paper);
    font-size: 0.95rem;
    display: flex;
    gap: 0.8rem;
}

.diag__list li::before {
    content: "";
    width: 5px;
    height: 5px;
    background: var(--signal);
    flex: none;
    margin-top: 0.65em;
}

.diag__terms {
    display: grid;
    gap: 0.85rem;
    color: var(--paper-dim);
    font-size: 0.95rem;
}

.diag__disclaimer {
    color: var(--paper-faint);
    font-size: 0.88rem;
    border-top: 1px solid var(--line-soft);
    padding-top: 0.85rem;
}

/* quiz: uma pergunta por tela */
.quiz {
    border: 1px solid var(--line);
    background: var(--ink);
    padding: clamp(1.25rem, 3.5vw, 2.5rem);
    position: relative;
}

.quiz::after {
    content: "";
    position: absolute;
    inset: -6px;
    background-image: var(--cross), var(--cross), var(--cross), var(--cross);
    background-position: left top, right top, left bottom, right bottom;
    background-repeat: no-repeat;
    pointer-events: none;
}

.quiz__head {
    display: grid;
    gap: 0.75rem;
    margin-bottom: clamp(1.75rem, 3.5vw, 2.5rem);
}

.quiz__count {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--paper-faint);
}

.quiz__count span:not(.label__slash) {
    color: var(--signal);
    font-variant-numeric: tabular-nums;
}

.quiz__progress {
    height: 3px;
    background: var(--line-soft);
    overflow: hidden;
}

.quiz__bar {
    height: 100%;
    width: 11%;
    background: var(--signal);
    transform-origin: left center;
    transition: width 0.45s var(--ease);
}

/* cada passo é um fieldset; só o ativo aparece */
.qstep {
    display: none;
    border: 0;
    padding: 0;
    margin: 0;
    min-width: 0;
}

.qstep.is-active {
    display: block;
    animation: qstepIn 0.4s var(--ease) both;
}

@keyframes qstepIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.qstep__legend {
    display: block;
    width: 100%;
    padding: 0;
    margin-bottom: 1.5rem;
}

.qstep__eyebrow {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--paper-faint);
    margin-bottom: 0.6rem;
}

.qstep__question {
    display: block;
    font-family: var(--font-display);
    font-variation-settings: "wdth" 106;
    font-weight: 780;
    font-size: clamp(1.3rem, 2.4vw, 1.75rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.qstep__hint {
    display: block;
    margin-top: 0.6rem;
    font-size: 0.88rem;
    color: var(--paper-dim);
}

/* opções */
.qopts {
    display: grid;
    gap: 0.6rem;
}

.qopts--grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.qopt__input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.qopt {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-height: 56px;
    padding: 0.85rem 1.1rem;
    background: var(--ink-raised);
    border: 1px solid var(--line);
    color: var(--paper);
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.qopt:hover {
    border-color: var(--line-field);
}

.qopt__mark {
    flex: none;
    width: 16px;
    height: 16px;
    border: 1px solid var(--line-field);
    position: relative;
    transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.qopt__input:checked + .qopt {
    border-color: var(--signal);
    background: oklch(0.865 0.185 96 / 0.09);
}

.qopt__input:checked + .qopt .qopt__mark {
    background: var(--signal);
    border-color: var(--signal);
}

.qopt__input:checked + .qopt .qopt__mark::after {
    content: "";
    position: absolute;
    inset: 4px;
    background: var(--ink);
}

.qopt__input:focus-visible + .qopt {
    outline: 2px solid var(--signal);
    outline-offset: 2px;
}

/* campos abertos dentro de um passo */
.qfields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.qstep__actions {
    display: grid;
    gap: 1rem;
    margin-top: 1.75rem;
    justify-items: start;
}

.field {
    grid-column: 1 / -1;
    display: grid;
    gap: 0.45rem;
}

.field--half {
    grid-column: span 1;
}

@media (max-width: 560px) {
    .field--half {
        grid-column: 1 / -1;
    }
}

.field label {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--paper-dim);
    text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    min-height: 48px;
    background: var(--ink-sunken);
    border: 1px solid var(--line-field);
    padding: 0.75rem 0.9rem;
    color: var(--paper);
    transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
    border-radius: 0;
    appearance: none;
}

.field textarea {
    min-height: 96px;
    resize: vertical;
    line-height: 1.55;
}

.field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23FFC400' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--signal);
    background: oklch(0.145 0.01 96);
}

.field input:user-invalid,
.field select:user-invalid,
.field textarea:user-invalid {
    border-color: oklch(0.62 0.19 25);
}

.form__note {
    font-size: 0.88rem;
    color: var(--paper-faint);
    line-height: 1.55;
    max-width: 52ch;
}

/* rodapé do quiz: volta uma etapa */
.quiz__foot {
    margin-top: 1.75rem;
    border-top: 1px solid var(--line-soft);
    padding-top: 1rem;
    min-height: 1px;
}

.quiz__back {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 44px;
    padding: 0;
    background: none;
    border: 0;
    color: var(--paper-faint);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color 0.2s var(--ease);
}

.quiz__back:hover {
    color: var(--signal);
}

.quiz__back svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
}

.quiz__status:empty {
    display: none;
}

.quiz__status {
    margin-top: 1.25rem;
    border: 1px solid oklch(0.62 0.19 25);
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    color: oklch(0.75 0.16 25);
}

.quiz__status[data-state="info"] {
    border-color: var(--signal);
    color: var(--signal);
}

/* conclusão */
.quiz__done {
    display: grid;
    gap: 1rem;
    justify-items: start;
    padding-block: clamp(1rem, 3vw, 2rem);
}

.quiz__done-mark {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border: 1px solid var(--signal);
}

.quiz__done-mark svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: var(--signal);
    stroke-width: 2.2;
    stroke-linecap: square;
}

.quiz__done-title {
    font-family: var(--font-display);
    font-variation-settings: "wdth" 108;
    font-weight: 800;
    font-size: clamp(1.5rem, 2.8vw, 2rem);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.quiz__done-text {
    color: var(--paper-dim);
    max-width: 46ch;
}

/* ---------- 13. Rodapé ---------- */

.foot {
    border-top: 1px solid var(--line);
    padding-block: clamp(2rem, 4vw, 3rem);
    background: var(--ink);
}

.foot__inner {
    display: grid;
    gap: 1rem;
    align-items: center;
}

@media (min-width: 800px) {
    .foot__inner {
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 2.5rem;
    }
}

.logo--foot {
    align-self: center;
}

.logo--foot .logo__img {
    height: clamp(2.25rem, 4vw, 3rem);
}

.foot__line,
.foot__year {
    font-size: 0.82rem;
    color: var(--paper-faint);
}

/* ---------- 14. Motion ---------- */

/* só esconde quando o JS está vivo para revelar de volta */
.js [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
}

[data-reveal].is-in {
    opacity: 1;
    transform: none;
    transition: opacity 0.62s var(--ease), transform 0.62s var(--ease);
    transition-delay: var(--delay, 0ms);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

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

    .marks__track,
    .thesis__track {
        animation: none;
    }
}

/* ---------- 15. Ajustes finos por viewport ---------- */

@media (max-width: 640px) {
    .hero__highlight {
        min-height: 32rem;
        margin-top: 3rem;
        background-position: center;
    }

    .hero__highlight-content {
        bottom: 1.5rem;
        gap: 0.45rem;
    }

    .hero__highlight-row {
        width: 100%;
    }

    .hero__highlight-row--stance {
        display: grid;
        gap: 0.6rem;
        padding: 1.15rem var(--gutter);
    }

    .hero__highlight-row--stance strong {
        max-width: none;
    }

    .hero__highlight-row--specs {
        grid-template-columns: 1fr;
        gap: 0.7rem;
        padding: 1.15rem var(--gutter);
    }

    .hero__highlight-row--specs span {
        justify-content: flex-start;
    }

    .hero__highlight-row--specs small {
        margin-right: 0.5rem;
        min-width: 5.5rem;
    }

    .step {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .step__num {
        font-size: 2.5rem;
    }

    .specs__row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.15rem;
    }

    .specs__row dd {
        text-align: left;
    }

    .quote blockquote::before {
        font-size: 3.5rem;
    }
}

/* ---------- Botão Flutuante do WhatsApp ---------- */

.whatsapp-btn {
    position: fixed;
    bottom: clamp(1.25rem, 3vw, 2rem);
    right: clamp(1.25rem, 3vw, 2rem);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(54px, 5.5vw, 64px);
    height: clamp(54px, 5.5vw, 64px);
    border-radius: 50%;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4), 0 0 14px rgba(37, 211, 102, 0.35);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.whatsapp-btn:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 22px rgba(37, 211, 102, 0.55);
}

.whatsapp-btn:active {
    transform: scale(0.96);
}

.whatsapp-btn__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}