/* =========================================================================
   Chairworld — design system
   Monochrome black & white, editorial serif display, quiet sans body.
   ========================================================================= */
/* ---- IMPORTAÇÃO AUTOMÁTICA DA OUTFIT (Deixar no topo do CSS) ---- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;700&display=swap');

:root {
    --paper:     #ffffff;
    --paper-2:   #f5f5f5;
    --surface:   #ffffff;
    --ink:       #121212;
    --ink-2:     #2e2e2e;
    --muted:     #767676;
    --line:      #e4e4e4;
    --line-soft: #efefef;
    --accent:    #000000;
    --accent-deep:#000000;
    --black:     #000000;

    /* SÓ MEXEU AQUI: Agora a Outfit está importada e vai funcionar! */
    --serif: "Outfit", sans-serif;
    --sans: "Outfit", sans-serif;

    --container: 1280px;
    --gutter: clamp(20px, 5vw, 64px);
    --radius: 2px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --shadow: 0 18px 50px -28px rgba(0, 0, 0, 0.40);
}

/* ---- reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    font-family: var(--sans); /* SÓ MEXEU AQUI: Chama a Outfit */
    background: var(--paper);
    color: var(--ink);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---- typography --------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.08; letter-spacing: -0.01em; color: var(--ink); }
.display { font-size: clamp(2.1rem, 4.6vw, 3.7rem); line-height: 1.02; letter-spacing: -0.02em; }
h2.section-title { font-size: clamp(1.5rem, 2.6vw, 2.2rem); }
.lead { font-size: clamp(1.05rem, 1.8vw, 1.35rem); line-height: 1.5; color: var(--ink-2); }
.kicker {
    font-family: var(--sans);
    font-size: 0.74rem; font-weight: 600;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--accent);
}
.muted { color: var(--muted); }
em, .italic { font-style: italic; }

/* ---- layout primitives -------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(64px, 11vw, 150px); }
.section--tight { padding-block: clamp(48px, 7vw, 90px); }
.bleed { background: var(--paper-2); }
.rule { height: 1px; background: var(--line); border: 0; }
.stack > * + * { margin-top: 1rem; }
.center { text-align: center; }
.eyebrow-row { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.eyebrow-row::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---- buttons ------------------------------------------------------------ */
.btn {
    --bg: var(--ink); --fg: var(--paper-2);
    display: inline-flex; align-items: center; gap: 0.6em;
    padding: 0.95em 1.7em;
    background: var(--bg); color: var(--fg);
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
    border-radius: 100px;
    transition: transform .4s var(--ease), background .3s, color .3s, box-shadow .4s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -14px rgba(0,0,0,.55); }
.btn--accent { --bg: var(--accent); }
.btn--accent:hover { --bg: var(--accent-deep); }
.btn--ghost { --bg: transparent; --fg: var(--ink); border: 1px solid var(--ink); }
.btn--ghost:hover { --bg: var(--ink); --fg: var(--paper-2); }
.btn--light { --bg: var(--paper-2); --fg: var(--ink); }
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.link-arrow {
    display: inline-flex; align-items: center; gap: 0.5em;
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--ink); padding-bottom: 3px;
    border-bottom: 1px solid var(--ink);
    transition: gap .35s var(--ease), color .3s, border-color .3s;
}
.link-arrow:hover { gap: 0.9em; color: var(--accent); border-color: var(--accent); }

/* ---- header ------------------------------------------------------------- */
.site-header {
    position: sticky; top: 0; z-index: 60;
    background: color-mix(in srgb, var(--paper) 85%, transparent);
    backdrop-filter: saturate(140%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .4s, background .4s;
}
.site-header.is-stuck { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 76px; }
.brand { display: flex; align-items: center; }
.brand-logo { height: 50px; width: 170px; display: block; }
.nav-links { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); }
.nav-links a { font-size: 0.83rem; font-weight: 500; letter-spacing: 0.03em; color: var(--ink-2); position: relative; padding: 6px 0; transition: color .25s; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--accent); transition: width .35s var(--ease); }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-tools { display: flex; align-items: center; gap: 14px; }

/* language switch */
.lang { display: flex; gap: 2px; align-items: center; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.05em; }
.lang a { padding: 4px 7px; border-radius: 4px; color: var(--muted); transition: color .25s, background .25s; }
.lang a.active { color: var(--ink); }
.lang a:hover { color: var(--accent); }
.lang .sep { color: var(--line); }

.nav-cta { display: inline-flex; }
.burger { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; }
.burger span { display: block; width: 22px; height: 1.5px; background: var(--ink); position: relative; transition: .3s; }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; width: 22px; height: 1.5px; background: var(--ink); transition: .3s var(--ease); }
.burger span::before { top: -7px; } .burger span::after { top: 7px; }
body.menu-open .burger span { background: transparent; }
body.menu-open .burger span::before { top: 0; transform: rotate(45deg); }
body.menu-open .burger span::after { top: 0; transform: rotate(-45deg); }

/* ---- hero --------------------------------------------------------------- */
.hero { position: relative; padding-top: clamp(40px, 7vw, 90px); padding-bottom: clamp(40px, 7vw, 80px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy .display { margin: 18px 0 26px; }
.hero-copy .lead { max-width: 30ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-figure { position: relative; aspect-ratio: 4/5; border-radius: var(--radius); overflow: hidden; background: #f4f4f4; border: 1px solid var(--line-soft); }
.hero-figure img { width: 100%; height: 100%; object-fit: contain; padding: 8%; }
.hero-badge {
    position: absolute; left: 22px; bottom: 22px;
    background: var(--paper-2); color: var(--ink);
    padding: 12px 18px; border-radius: 100px;
    font-size: 0.76rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    box-shadow: 0 10px 30px -16px rgba(0,0,0,.5);
}

/* ---- marquee categories ------------------------------------------------- */
.cat-split { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.cat-card { position: relative; aspect-ratio: 5/4; overflow: hidden; background: #f4f4f4; border: 1px solid var(--line-soft); border-radius: var(--radius); }
.cat-card img { width: 100%; height: 100%; object-fit: contain; padding: 5% 5% 19%; transition: transform 1.1s var(--ease); }
.cat-card:hover img { transform: scale(1.04); }
.cat-card .cat-body { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(22px, 3vw, 40px); color: var(--ink); background: linear-gradient(to top, rgba(244,244,244,.98) 0%, rgba(244,244,244,.75) 38%, transparent 72%); }
.cat-card h3 { color: var(--ink); font-size: clamp(1.6rem, 2.8vw, 2.3rem); }
.cat-card p { color: var(--muted); max-width: 34ch; margin: 8px 0 16px; font-size: 0.95rem; }
.cat-card .link-arrow { color: var(--ink); border-color: var(--ink); }
.cat-card .link-arrow:hover { color: var(--muted); border-color: var(--muted); }

/* ---- pillars ------------------------------------------------------------ */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.pillar { background: var(--paper); padding: clamp(26px, 3vw, 42px) clamp(20px, 2vw, 32px); }
.pillar .num { font-family: var(--serif); font-size: 1.1rem; color: var(--accent); }
.pillar h3 { font-size: 1.3rem; margin: 18px 0 10px; }
.pillar p { font-size: 0.95rem; color: var(--muted); }

/* ---- stats -------------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 40px); }
.stat .value { font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1; color: var(--ink); }
.stat .label { margin-top: 10px; font-size: 0.82rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }

/* ---- split feature ------------------------------------------------------ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
.split--rev .split-media { order: 2; }
.split-media { aspect-ratio: 4/3; overflow: hidden; border-radius: var(--radius); background: #f4f4f4; border: 1px solid var(--line-soft); }
.split-media img { width: 100%; height: 100%; object-fit: contain; padding: 6%; }
.split-copy .section-title { margin: 16px 0 20px; }

/* ---- product grid ------------------------------------------------------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: flex-end; justify-content: space-between; margin-bottom: 38px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 16px; border: 1px solid var(--line);
    border-radius: 100px; font-size: 0.82rem; font-weight: 500; color: var(--ink-2);
    background: var(--paper-2); transition: .25s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.active { background: var(--ink); border-color: var(--ink); color: var(--paper-2); }
.chip .count { color: var(--muted); font-size: 0.78em; }
.chip.active .count { color: rgba(255,255,255,.6); }
.search-box { position: relative; }
.search-box input {
    width: clamp(200px, 26vw, 320px); padding: 11px 16px 11px 40px;
    background: var(--paper-2); border: 1px solid var(--line); border-radius: 100px; color: var(--ink);
    transition: border-color .25s;
}
.search-box input:focus { outline: none; border-color: var(--accent); }
.search-box svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 38px) clamp(16px, 2vw, 28px); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.card { display: flex; flex-direction: column; }
.card-media {
    position: relative; aspect-ratio: 4/5; overflow: hidden;
    background: #fafafa; border: 1px solid var(--line-soft); border-radius: var(--radius);
}
.card-media img { width: 100%; height: 100%; object-fit: contain; padding: 11% 11% 13%; transition: transform 1s var(--ease); }
.card:hover .card-media img { transform: scale(1.05); }
.card-media .tag {
    position: absolute; top: 12px; left: 12px;
    background: var(--paper-2); color: var(--accent);
    font-size: 0.66rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    padding: 5px 10px; border-radius: 100px;
}
.card-media .view {
    position: absolute; inset-inline: 12px; bottom: 12px;
    background: var(--ink); color: var(--paper-2);
    text-align: center; padding: 11px; border-radius: 100px;
    font-size: 0.74rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    opacity: 0; transform: translateY(8px); transition: .4s var(--ease);
}
.card:hover .view { opacity: 1; transform: translateY(0); }
.card-body { padding: 16px 2px 0; display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.card-title { font-family: var(--serif); font-size: 1.28rem; }
.card-ref { font-size: 0.72rem; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; white-space: nowrap; }
.card-sub { padding: 2px 2px 0; font-size: 0.88rem; color: var(--muted); }
.card-price { padding-top: 8px; }
.empty { padding: 80px 0; text-align: center; color: var(--muted); }

/* ---- price tags (reseller only) ---------------------------------------- */
.price { display: inline-flex; align-items: baseline; gap: 10px; }
.price .net { font-family: var(--serif); font-size: 1.25rem; color: var(--ink); }
.price .base { font-size: 0.9rem; color: var(--muted); text-decoration: line-through; }
.price .off { font-size: 0.7rem; font-weight: 700; letter-spacing: .05em; color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); padding: 2px 7px; border-radius: 100px; }
.price-locked { font-size: 0.82rem; color: var(--muted); display: inline-flex; align-items: center; gap: 7px; }

/* ---- product detail ----------------------------------------------------- */
.pd { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.pd-gallery { position: relative; }
.pd-main { aspect-ratio: 1/1; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line-soft); background: #f6f6f6; }
.pd-main img { width: 100%; height: 100%; object-fit: contain; padding: 7%; }
.pd-info { position: sticky; top: 104px; }
.pd-info .ref { font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.pd-info h1 { font-size: clamp(2rem, 4vw, 3.2rem); margin: 12px 0 18px; }
.pd-info .desc { color: var(--ink-2); font-size: 1.05rem; }
.pd-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0; }
.spec { border-top: 1px solid var(--line); margin-top: 8px; }
.spec h2 { font-size: 1rem; font-family: var(--sans); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; padding-top: 26px; margin-bottom: 14px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 0; border-bottom: 1px solid var(--line-soft); vertical-align: top; font-size: 0.95rem; }
.spec-table th { width: 42%; color: var(--muted); font-weight: 500; }
.spec-table td { color: var(--ink); }
.taglist { display: flex; flex-wrap: wrap; gap: 8px; }
.taglist span { background: var(--paper-2); border: 1px solid var(--line); border-radius: 100px; padding: 6px 13px; font-size: 0.85rem; }
.pd-price-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin: 26px 0; }

/* ---- forms -------------------------------------------------------------- */
.form { display: grid; gap: 20px; }
.form-row { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; color: var(--ink-2); }
.field label .opt { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; }
.field input, .field textarea, .field select {
    padding: 13px 15px; background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius); color: var(--ink); transition: border-color .25s, box-shadow .25s;
}
.field input:focus, .field textarea:focus, .field select:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);
}
.field textarea { min-height: 150px; resize: vertical; }
.field.err input, .field.err textarea { border-color: #b4452f; }
.field .msg { font-size: 0.8rem; color: #b4452f; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 16px 20px; border-radius: var(--radius); font-size: 0.95rem; }
.alert--ok { background: #e9f1e7; color: #2f5d3a; border: 1px solid #c9e0c4; }
.alert--err { background: #f6e7e3; color: #8f3a26; border: 1px solid #e8ccc4; }

/* ---- footer ------------------------------------------------------------- */
.site-footer { background: var(--black); color: #c9c9c9; padding-block: clamp(56px, 8vw, 96px) 30px; }
.site-footer a { color: #c9c9c9; transition: color .25s; }
.site-footer a:hover { color: #fff; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: clamp(28px, 4vw, 56px); }
.foot-logo { height: 34px; width: auto; display: block; }
.foot-brand p { color: #9a9a9a; margin-top: 16px; max-width: 32ch; font-size: 0.95rem; }
.foot-col h4 { font-family: var(--sans); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.foot-col ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.foot-col li { font-size: 0.95rem; }
.foot-social { display: flex; gap: 12px; margin-top: 18px; }
.foot-social a { width: 40px; height: 40px; border: 1px solid #333333; border-radius: 50%; display: grid; place-items: center; }
.foot-social a:hover { border-color: #fff; background: #fff; color: var(--black); }
.support { border-top: 1px solid #222222; margin-top: clamp(40px, 6vw, 70px); padding-top: 32px; }
.support .label { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: #8c8c8c; margin-bottom: 16px; }
.support-logos { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; }
.support-logos img { height: 46px; width: auto; background: #fff; padding: 8px 12px; border-radius: 4px; }
.foot-bottom { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; border-top: 1px solid #222222; margin-top: 32px; padding-top: 24px; font-size: 0.82rem; color: #8c8c8c; }
.foot-bottom .legal { display: flex; flex-wrap: wrap; gap: 18px; }

/* ---- breadcrumb --------------------------------------------------------- */
.crumbs { display: flex; gap: 8px; align-items: center; font-size: 0.8rem; color: var(--muted); margin-bottom: 22px; }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { opacity: .5; }

/* ---- page header -------------------------------------------------------- */
.page-head { padding-top: clamp(40px, 6vw, 80px); }
.page-head .display { margin: 16px 0 18px; }
.page-head .lead { max-width: 56ch; }

/* ---- reveal animation --------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---- responsive --------------------------------------------------------- */
@media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-figure { aspect-ratio: 16/11; max-height: 440px; }
    .pillars { grid-template-columns: 1fr 1fr; }
    .stats { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
    .cat-split { grid-template-columns: 1fr; }
    .split { grid-template-columns: 1fr; }
    .split--rev .split-media { order: 0; }
    .pd { grid-template-columns: 1fr; }
    .pd-info { position: static; }
    .grid { grid-template-columns: repeat(2, 1fr); }
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
    .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
    body { font-size: 16px; }
    .nav-links, .nav-cta { display: none; }
    .burger { display: flex; }
    .mobile-open .nav-links { display: flex; }
    .form-row { grid-template-columns: 1fr; }
    .foot-grid { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .search-box input { width: 100%; }

    /* mobile menu */
    .nav-links {
        position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: flex-start;
        gap: 4px; background: var(--paper); padding: 18px var(--gutter) 28px; border-bottom: 1px solid var(--line);
        transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .3s var(--ease);
    }
    body.menu-open .nav-links { display: flex; transform: none; opacity: 1; pointer-events: auto; }
    body.menu-open .nav-cta { display: inline-flex; position: fixed; top: 17px; right: 64px; }
    .nav-links a { font-size: 1.15rem; font-family: var(--serif); padding: 10px 0; }
}
@media (max-width: 480px) {
    .grid, .grid--4 { grid-template-columns: 1fr 1fr; gap: 14px; }
    .pillars { grid-template-columns: 1fr; }
}