/* ==========================================================================
   GiaDoc — Design system
   1. Tokens   2. Base   3. Layout   4. Componentes   5. Header/Footer
   6. Seções da Home   7. Páginas internas   8. Formulário   9. Utilitários
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
    /* Cores da marca */
    --color-primary: #1F497D;
    --color-primary-hover: #183b66;
    --color-primary-strong: #12304f;
    --color-primary-soft: #eaf0f7;
    --color-primary-softer: #f3f6fa;
    --color-secondary: #087A8C;       /* azul-petróleo da seta do logo, escurecido para contraste AA */
    --color-secondary-bright: #1FB5CB;
    --color-secondary-soft: #e3f5f8;

    /* Neutros */
    --color-bg: #ffffff;
    --color-surface: #f6f8fb;
    --color-surface-strong: #eef2f7;
    --color-ink: #0f1e33;             /* títulos */
    --color-text: #2c3a4d;            /* corpo */
    --color-muted: #5a6778;           /* 5.6:1 sobre branco */
    --color-border: #e2e8f0;
    --color-border-strong: #cbd5e1;
    --color-dark: #0d2745;            /* seções escuras */
    --color-dark-2: #123257;
    --color-on-dark: #e7eef7;
    --color-on-dark-muted: #a9bbd1;

    /* Estados */
    --color-success: #15803d;
    --color-success-soft: #e7f6ec;
    --color-warning: #b45309;
    --color-warning-soft: #fdf3e2;
    --color-error: #b91c1c;
    --color-error-soft: #fdecec;

    /* Tipografia */
    --font-sans: "Inter", "Inter Fallback", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
    --fs-xs: 0.8125rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.0625rem;
    --fs-lg: 1.1875rem;
    --fs-xl: 1.375rem;
    --fs-h3: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
    --fs-h2: clamp(1.75rem, 1.35rem + 1.5vw, 2.5rem);
    --fs-h1: clamp(2.125rem, 1.45rem + 2.9vw, 3.5rem);
    --lh-tight: 1.15;
    --lh-snug: 1.3;
    --lh-body: 1.6;

    /* Espaçamento (base 4px) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --section-y: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);

    /* Container */
    --container: 1200px;
    --container-narrow: 820px;
    --gutter: clamp(1rem, 0.6rem + 1.8vw, 2rem);

    /* Raios */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --radius-pill: 999px;

    /* Sombras */
    --shadow-xs: 0 1px 2px rgba(15, 30, 51, 0.06);
    --shadow-sm: 0 1px 3px rgba(15, 30, 51, 0.08), 0 1px 2px rgba(15, 30, 51, 0.04);
    --shadow-md: 0 6px 16px -4px rgba(15, 30, 51, 0.10), 0 2px 4px rgba(15, 30, 51, 0.05);
    --shadow-lg: 0 24px 48px -16px rgba(15, 30, 51, 0.22), 0 4px 10px rgba(15, 30, 51, 0.05);

    /* Movimento */
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
    --dur-fast: 140ms;
    --dur: 220ms;

    --header-h: 68px;
}

@font-face {
    font-family: "Inter Fallback";
    src: local("Arial");
    size-adjust: 107%;
    ascent-override: 90%;
    descent-override: 22.5%;
    line-gap-override: 0%;
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: var(--lh-body);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }
figure { margin: 0; }
img { height: auto; }

h1, h2, h3, h4 {
    margin: 0 0 var(--space-4);
    color: var(--color-ink);
    font-weight: 700;
    line-height: var(--lh-tight);
    letter-spacing: -0.022em;
    text-wrap: balance;
}
h1 { font-size: var(--fs-h1); letter-spacing: -0.03em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-snug); letter-spacing: -0.015em; }
h4 { font-size: var(--fs-lg); line-height: var(--lh-snug); letter-spacing: -0.01em; }

p { margin: 0 0 var(--space-4); text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
ul[class], ol[class] { list-style: none; }

a { color: var(--color-primary); text-underline-offset: 3px; }
a:hover { color: var(--color-primary-hover); }

strong { font-weight: 600; color: var(--color-ink); }

:focus-visible {
    outline: 3px solid var(--color-secondary-bright);
    outline-offset: 2px;
    border-radius: 4px;
}

main:focus { outline: none; }

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

.skip-link {
    position: absolute;
    left: var(--space-4);
    top: -100px;
    z-index: 200;
    padding: var(--space-3) var(--space-4);
    background: var(--color-ink);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
}
.skip-link:focus { top: var(--space-3); color: #fff; }

.sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    white-space: nowrap; border: 0;
}

/* 3. Layout ---------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: calc(var(--container) + var(--gutter) * 2);
    margin-inline: auto;
    padding-inline: var(--gutter);
}
.container-narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }

.section { padding-block: var(--section-y); }
.section-sm { padding-block: clamp(2.5rem, 2rem + 2vw, 4rem); }
.section-surface { background: var(--color-surface); }
.section-dark {
    background: var(--color-dark);
    color: var(--color-on-dark);
}
.section-dark h2, .section-dark h3, .section-dark strong { color: #fff; }
.section-border { border-top: 1px solid var(--color-border); }

.section-head { max-width: 720px; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { font-size: var(--fs-md); color: var(--color-muted); margin-bottom: 0; }
.section-dark .section-head p { color: var(--color-on-dark-muted); }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-secondary);
}
.section-dark .eyebrow { color: var(--color-secondary-bright); }

.lead { font-size: var(--fs-lg); line-height: 1.55; color: var(--color-muted); }

.grid { display: grid; gap: var(--space-6); }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 640px) and (max-width: 1023px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }

.split {
    display: grid;
    gap: clamp(2rem, 1rem + 4vw, 4.5rem);
    align-items: center;
}
@media (min-width: 1024px) {
    .split { grid-template-columns: 1fr 1fr; }
    .split-reverse > :first-child { order: 2; }
}

/* 4. Componentes ------------------------------------------------------------ */
.icon {
    width: 1.25em;
    height: 1.25em;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.icon-sm { width: 1em; height: 1em; }
.icon-lg { width: 1.5em; height: 1.5em; }

/* Botões */
.btn {
    --btn-bg: transparent;
    --btn-fg: var(--color-ink);
    --btn-border: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: 0.625rem 1.125rem;
    border: 1px solid var(--btn-border);
    border-radius: var(--radius-md);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font: inherit;
    font-size: var(--fs-sm);
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:hover { color: var(--btn-fg); }
.btn:active { transform: translateY(1px); }
.btn .icon { transition: transform var(--dur) var(--ease); }
.btn:hover .icon-arrow { transform: translateX(3px); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.6; cursor: not-allowed; }

.btn-primary { --btn-bg: var(--color-primary); --btn-fg: #fff; box-shadow: var(--shadow-xs); }
.btn-primary:hover { --btn-bg: var(--color-primary-hover); }
.btn-secondary { --btn-bg: #fff; --btn-fg: var(--color-ink); --btn-border: var(--color-border-strong); }
.btn-secondary:hover { --btn-border: var(--color-primary); --btn-fg: var(--color-primary); }
.btn-ghost { --btn-fg: var(--color-primary); }
.btn-ghost:hover { --btn-bg: var(--color-primary-soft); }
.btn-light { --btn-bg: #fff; --btn-fg: var(--color-primary-strong); }
.btn-light:hover { --btn-bg: var(--color-primary-soft); }
.btn-outline-light { --btn-fg: #fff; --btn-border: rgba(255, 255, 255, 0.4); }
.btn-outline-light:hover { --btn-bg: rgba(255, 255, 255, 0.08); --btn-border: #fff; }
.btn-lg { min-height: 52px; padding: 0.875rem 1.5rem; font-size: var(--fs-base); border-radius: var(--radius-md); }
.btn-block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }
@media (max-width: 479px) { .btn-row > .btn { flex: 1 1 100%; } }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--fs-sm);
    text-decoration: none;
}
.link-arrow .icon { transition: transform var(--dur) var(--ease); }
.link-arrow:hover .icon { transform: translateX(3px); }

/* Chips e badges */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: #fff;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-ink);
    white-space: nowrap;
}
.chip .icon { color: var(--color-primary); }
.chip-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}
.badge-neutral { background: var(--color-surface-strong); color: var(--color-text); }
.badge-primary { background: var(--color-primary-soft); color: var(--color-primary); }
.badge-success { background: var(--color-success-soft); color: var(--color-success); }
.badge-warning { background: var(--color-warning-soft); color: var(--color-warning); }
.badge-info { background: var(--color-secondary-soft); color: #08707f; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* Cards */
.card {
    position: relative;
    padding: var(--space-6);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}
.card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.card p { color: var(--color-muted); margin-bottom: 0; }
.card-link { transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease); }
.card-link:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-link a.stretched::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }

.icon-box {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-bottom: var(--space-4);
    border-radius: var(--radius-md);
    background: var(--color-primary-soft);
    color: var(--color-primary);
}
.icon-box .icon { width: 22px; height: 22px; }
.section-dark .icon-box { background: rgba(255, 255, 255, 0.08); color: var(--color-secondary-bright); }

/* Listas */
.check-list { display: grid; gap: var(--space-3); }
.check-list li { display: flex; gap: var(--space-3); align-items: flex-start; }
.check-list .icon { margin-top: 0.2em; color: var(--color-success); }

/* Callout */
.callout {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-5);
    border-radius: var(--radius-md);
    background: var(--color-primary-softer);
    border: 1px solid var(--color-primary-soft);
    color: var(--color-text);
    font-size: var(--fs-sm);
}
.callout .icon { color: var(--color-primary); margin-top: 0.1em; }
.callout p { margin: 0; }

/* Accordion (FAQ) com <details> nativo */
.faq { max-width: 860px; margin-inline: auto; border-top: 1px solid var(--color-border); }
.faq details { border-bottom: 1px solid var(--color-border); }
.faq summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--color-ink);
    cursor: pointer;
    list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { color: var(--color-muted); transition: transform var(--dur) var(--ease); }
.faq details[open] summary .icon { transform: rotate(180deg); }
.faq summary:hover { color: var(--color-primary); }
.faq .faq-body { padding: 0 0 var(--space-6); max-width: 70ch; color: var(--color-muted); }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* Tabela simples */
.table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.table th, .table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); text-align: left; }
.table th { color: var(--color-muted); font-weight: 500; }

/* Moldura de produto (browser mockup) */
.app-frame {
    position: relative;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--fs-sm);
    color: var(--color-text);
}
.app-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.625rem var(--space-4);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}
.app-dots { display: flex; gap: 6px; }
.app-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--color-border-strong); }
.app-title { font-size: var(--fs-xs); font-weight: 600; color: var(--color-muted); }
.app-body { padding: var(--space-5); }
.app-caption {
    margin-top: var(--space-3);
    font-size: var(--fs-xs);
    color: var(--color-muted);
    text-align: center;
}

.ui-label { display: block; font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 2px; }
.ui-value { font-weight: 600; color: var(--color-ink); font-variant-numeric: tabular-nums; }
.ui-field { padding: 0.5rem 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: #fff; }
.ui-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.ui-list { display: grid; gap: var(--space-2); }
.ui-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
}
.ui-item .icon { color: var(--color-primary); }
.ui-item-main { flex: 1; min-width: 0; }
.ui-item-main strong { display: block; font-size: var(--fs-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ui-item-main span { display: block; font-size: var(--fs-xs); color: var(--color-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ui-doc {
    display: grid;
    gap: 7px;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
}
.ui-doc i { display: block; height: 7px; border-radius: 4px; background: var(--color-surface-strong); }
.ui-doc i.w-40 { width: 40%; } .ui-doc i.w-60 { width: 60%; } .ui-doc i.w-75 { width: 75%; } .ui-doc i.w-90 { width: 90%; }
.ui-doc i.dark { background: var(--color-border-strong); }
.ui-barcode {
    height: 26px;
    margin-top: 6px;
    background: repeating-linear-gradient(90deg, var(--color-ink) 0 2px, transparent 2px 4px, var(--color-ink) 4px 5px, transparent 5px 8px, var(--color-ink) 8px 11px, transparent 11px 13px);
    opacity: 0.8;
    border-radius: 2px;
}

/* Reveal ao rolar (só com JS; respeita reduced-motion) */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 500ms var(--ease), transform 500ms var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* 5. Header / Footer ------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
@supports (backdrop-filter: blur(8px)) {
    .site-header { background: rgba(255, 255, 255, 0.86); backdrop-filter: saturate(160%) blur(10px); }
}
.site-header.is-scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-xs); }

.header-inner {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    min-height: var(--header-h);
}
.brand { display: inline-flex; flex-shrink: 0; }
.brand img { width: 128px; height: auto; }

.nav-toggle {
    display: none;
    margin-left: auto;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--color-ink);
    cursor: pointer;
}
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle-close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-close { display: inline-flex; }

.site-nav { display: flex; align-items: center; flex: 1; gap: var(--space-6); }
.nav-list { display: flex; align-items: center; gap: var(--space-1); margin-right: auto; }
.nav-item { position: relative; }
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 40px;
    padding: 0.5rem 0.75rem;
    border: 0;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-text);
    font: inherit;
    font-size: var(--fs-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}
.nav-link:hover, .nav-link[aria-expanded="true"] { color: var(--color-ink); background: var(--color-surface); }
.nav-link[aria-current="page"], .nav-link[data-active] { color: var(--color-primary); }
.nav-caret { transition: transform var(--dur) var(--ease); }
.nav-link[aria-expanded="true"] .nav-caret { transform: rotate(180deg); }

.nav-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: -8px;
    min-width: 320px;
    padding: var(--space-3);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: menu-in var(--dur) var(--ease);
}
.nav-menu-wide { min-width: 560px; }
@keyframes menu-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.menu-columns { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.menu-heading {
    margin: var(--space-2) var(--space-3) var(--space-1);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
}
.menu-link {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: 0.625rem var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    text-decoration: none;
    transition: background-color var(--dur-fast) var(--ease);
}
.menu-link:hover, .menu-link[aria-current="page"] { background: var(--color-surface); color: var(--color-ink); }
.menu-icon {
    display: inline-grid;
    place-items: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    background: var(--color-primary-soft);
    color: var(--color-primary);
}
.menu-icon .icon { width: 17px; height: 17px; }
.menu-text { display: grid; gap: 1px; padding-top: 5px; font-size: var(--fs-sm); line-height: 1.35; }
.menu-text strong { font-weight: 600; }
.menu-text span { color: var(--color-muted); font-size: var(--fs-xs); }
.menu-all {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin: var(--space-3) var(--space-3) var(--space-1);
    font-size: var(--fs-sm);
    font-weight: 600;
    text-decoration: none;
}

.nav-actions { display: flex; align-items: center; gap: var(--space-2); }

@media (max-width: 1099px) {
    .js .nav-toggle { display: inline-flex; }
    .js .site-nav {
        position: fixed;
        inset: var(--header-h) 0 0 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-6);
        padding: var(--space-4) var(--gutter) var(--space-8);
        background: #fff;
        border-top: 1px solid var(--color-border);
        overflow-y: auto;
        overscroll-behavior: contain;
    }
    .js .site-header.is-open .site-nav { display: flex; }
    .header-inner { flex-wrap: wrap; }
    .js .header-inner { flex-wrap: nowrap; }
    .nav-list { flex-direction: column; align-items: stretch; margin-right: 0; gap: 0; }
    .nav-item { border-bottom: 1px solid var(--color-border); }
    .nav-link { width: 100%; justify-content: space-between; min-height: 52px; padding-inline: 0; font-size: var(--fs-md); border-radius: 0; }
    .nav-link:hover, .nav-link[aria-expanded="true"] { background: none; }
    .nav-menu, .nav-menu-wide { position: static; min-width: 0; padding: 0 0 var(--space-3); border: 0; box-shadow: none; animation: none; }
    .menu-columns { grid-template-columns: 1fr; }
    .menu-link { padding-inline: 0; }
    .menu-heading { margin-inline: 0; }
    .menu-all { margin-inline: 0; }
    .nav-actions { flex-direction: column; align-items: stretch; }
    .nav-actions .btn { min-height: 52px; font-size: var(--fs-base); }
    body.nav-open { overflow: hidden; }
}

/* Footer */
.site-footer {
    padding-top: clamp(3rem, 2.5rem + 2vw, 4.5rem);
    background: var(--color-dark);
    color: var(--color-on-dark-muted);
    font-size: var(--fs-sm);
}
.site-footer a { color: var(--color-on-dark); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid { display: grid; gap: var(--space-8); }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } .footer-brand { grid-column: 1 / -1; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.6fr repeat(4, 1fr); } .footer-brand { grid-column: auto; } }
.footer-brand img { width: 128px; margin-bottom: var(--space-4); }
.footer-brand p { max-width: 36ch; }
.footer-contact { display: grid; gap: var(--space-2); margin-top: var(--space-4); }
.footer-contact li { display: flex; align-items: center; gap: var(--space-2); }
.footer-contact .icon { color: var(--color-secondary-bright); }
.footer-social { display: flex; gap: var(--space-4); margin-top: var(--space-4); }
.footer-title {
    margin-bottom: var(--space-4);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
}
.footer-col ul { display: grid; gap: var(--space-3); }
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: var(--space-12);
    padding-block: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-bottom p { margin: 0; }

/* WhatsApp flutuante */
.wa-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 90;
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #1f9d55;
    color: #fff;
    box-shadow: var(--shadow-md);
    transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.wa-float .icon { width: 28px; height: 28px; }
.wa-float:hover { color: #fff; background: #198649; transform: translateY(-2px); }
body.nav-open .wa-float { display: none; }

/* 6. Home ------------------------------------------------------------------ */
.hero {
    position: relative;
    padding-block: clamp(2.5rem, 1.5rem + 4vw, 5.5rem) clamp(3rem, 2rem + 4vw, 6rem);
    background:
        linear-gradient(180deg, var(--color-primary-softer) 0%, #fff 72%);
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-primary-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-primary-soft) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 60% at 75% 30%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 75% 30%, #000 20%, transparent 75%);
    opacity: 0.7;
    pointer-events: none;
}
.hero .container { position: relative; }
.hero-grid { display: grid; gap: clamp(2.5rem, 1.5rem + 4vw, 4rem); align-items: center; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); } }
.hero h1 { max-width: 16ch; margin-bottom: var(--space-5); }
.hero .lead { max-width: 54ch; margin-bottom: var(--space-8); }
.hero-note {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-3);
    margin-top: var(--space-6);
    font-size: var(--fs-sm);
    color: var(--color-muted);
}
.hero-note .icon { color: var(--color-success); }

/* Composição do produto no hero */
.flow-board .app-body { display: grid; gap: var(--space-4); background: var(--color-surface); }
.flow-board .doc-panel { display: grid; gap: var(--space-4); }
@media (min-width: 560px) { .flow-board .doc-panel { grid-template-columns: 0.8fr 1.2fr; } }
.doc-source { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-3); font-size: var(--fs-xs); color: var(--color-muted); }
.doc-source .icon { color: var(--color-primary); }
.extract-card { padding: var(--space-4); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.extract-card h3 { font-size: var(--fs-sm); margin-bottom: var(--space-3); display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.extract-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2) var(--space-4); }
.extract-grid .span-2 { grid-column: 1 / -1; }
.extract-grid div { min-width: 0; }
.extract-grid .ui-value { display: block; font-size: var(--fs-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pipeline { display: flex; align-items: center; gap: 6px; padding: var(--space-3); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.pipe-step { display: flex; align-items: center; gap: 6px; flex: 1; min-width: 0; font-size: 0.75rem; font-weight: 600; color: var(--color-muted); }
.pipe-step .pipe-dot { display: grid; place-items: center; width: 20px; height: 20px; flex-shrink: 0; border-radius: 50%; border: 2px solid var(--color-border-strong); background: #fff; }
.pipe-step .pipe-dot .icon { width: 12px; height: 12px; stroke-width: 3; }
.pipe-step.done { color: var(--color-ink); }
.pipe-step.done .pipe-dot { border-color: var(--color-success); background: var(--color-success); color: #fff; }
.pipe-step.current { color: var(--color-primary); }
.pipe-step.current .pipe-dot { border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-soft); }
.pipe-step span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pipe-line { flex: 0 0 12px; height: 2px; background: var(--color-border-strong); }
@media (max-width: 559px) { .pipe-step:not(.current) span:last-child { display: none; } .pipe-step.current { flex: 2; } }

/* Faixa de escala */
.stats { border-block: 1px solid var(--color-border); background: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat { padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem) var(--space-4); text-align: center; }
.stat + .stat { border-left: 1px solid var(--color-border); }
@media (max-width: 899px) { .stat:nth-child(3) { border-left: 0; } .stat:nth-child(n+3) { border-top: 1px solid var(--color-border); } }
.stat-value { display: block; font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; color: var(--color-primary); font-variant-numeric: tabular-nums; }
.stat-label { display: block; margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--color-muted); }

/* Como funciona */
.flow-steps { display: grid; gap: var(--space-4); counter-reset: step; }
@media (min-width: 768px) { .flow-steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .flow-steps { grid-template-columns: repeat(4, 1fr); gap: 0; } }
.flow-step {
    position: relative;
    padding: var(--space-6);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}
@media (min-width: 1100px) {
    .flow-step { border-radius: 0; border-left-width: 0; }
    .flow-step:first-child { border-left-width: 1px; border-radius: var(--radius-lg) 0 0 var(--radius-lg); }
    .flow-step:last-child { border-radius: 0 var(--radius-lg) var(--radius-lg) 0; background: var(--color-primary); border-color: var(--color-primary); }
    .flow-step:last-child h3, .flow-step:last-child .flow-num { color: #fff; }
    .flow-step:last-child p, .flow-step:last-child li { color: var(--color-on-dark); }
    .flow-step:last-child .flow-items .icon { color: var(--color-secondary-bright); }
    .flow-step:not(:last-child)::after {
        content: "";
        position: absolute;
        top: 34px;
        right: -12px;
        z-index: 1;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F497D' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m13 6 6 6-6 6'/%3E%3C/svg%3E") center / 14px no-repeat;
        border: 1px solid var(--color-border);
    }
}
.flow-num { display: block; margin-bottom: var(--space-3); font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.08em; color: var(--color-secondary); }
.flow-step h3 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.flow-step > p { font-size: var(--fs-sm); color: var(--color-muted); }
.flow-items { display: grid; gap: var(--space-2); margin-top: var(--space-4); font-size: var(--fs-sm); }
.flow-items li { display: flex; align-items: center; gap: var(--space-2); }
.flow-items .icon { color: var(--color-primary); width: 1.05em; height: 1.05em; }

/* Convergência de canais */
.converge {
    display: grid;
    gap: var(--space-4);
    align-items: center;
    padding: clamp(1.25rem, 1rem + 1.5vw, 2.5rem);
    background: var(--color-dark-2);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
}
@media (min-width: 900px) { .converge { grid-template-columns: 1fr 80px auto 80px auto; gap: 0; } }
.channel-list { display: grid; gap: var(--space-2); }
@media (max-width: 899px) { .channel-list { grid-template-columns: repeat(2, 1fr); } }
.channel {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.625rem 0.875rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: var(--fs-sm);
    font-weight: 500;
}
.channel .icon { color: var(--color-secondary-bright); }
.converge-lines { align-self: stretch; width: 100%; height: 100%; min-height: 40px; }
.converge-lines path { fill: none; stroke: rgba(255, 255, 255, 0.18); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.converge-lines .flow { stroke: var(--color-secondary-bright); stroke-dasharray: 6 94; stroke-dashoffset: 100; stroke-width: 2; opacity: 0.9; }
.converge-arrow { display: grid; place-items: center; color: var(--color-on-dark-muted); }
.converge-arrow .icon { width: 28px; height: 28px; }
@media (min-width: 900px) { .converge-arrow-down { display: none; } }
@media (max-width: 899px) { .converge-lines { display: none; } }
.hub {
    display: grid;
    justify-items: center;
    gap: var(--space-3);
    padding: var(--space-6);
    background: #fff;
    border-radius: var(--radius-lg);
    color: var(--color-ink);
    text-align: center;
    box-shadow: 0 0 0 6px rgba(31, 181, 203, 0.14);
}
.hub img { width: 120px; }
.hub ul { display: grid; gap: 4px; font-size: var(--fs-xs); color: var(--color-muted); }
.erp-node {
    display: grid;
    justify-items: center;
    gap: var(--space-2);
    padding: var(--space-5) var(--space-6);
    border: 1px dashed rgba(255, 255, 255, 0.35);
    border-radius: var(--radius-lg);
    color: #fff;
    text-align: center;
}
.erp-node .icon { width: 28px; height: 28px; color: var(--color-secondary-bright); }
.erp-node span { font-size: var(--fs-xs); color: var(--color-on-dark-muted); }
.hub-row-link { display: grid; place-items: center; }
.hub-row-link svg { width: 100%; height: 24px; }
.hub-row-link path { stroke: rgba(255, 255, 255, 0.25); stroke-width: 1.5; fill: none; vector-effect: non-scaling-stroke; }
.hub-row-link .flow { stroke: var(--color-secondary-bright); stroke-dasharray: 10 90; stroke-dashoffset: 100; stroke-width: 2; }
@media (prefers-reduced-motion: no-preference) {
    .converge.is-visible .flow { animation: flow 2.6s linear infinite; }
    .converge.is-visible .flow:nth-of-type(2n) { animation-delay: -0.9s; }
    .converge.is-visible .flow:nth-of-type(3n) { animation-delay: -1.7s; }
}
@keyframes flow { to { stroke-dashoffset: 0; } }

/* Soluções em destaque */
.feature-rows { display: grid; gap: clamp(3rem, 2rem + 4vw, 6rem); }
.feature-row h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); letter-spacing: -0.025em; }
.feature-row .lead { font-size: var(--fs-md); }
.feature-row .check-list { margin: var(--space-6) 0 var(--space-8); }
.feature-visual { padding: clamp(1rem, 0.5rem + 2vw, 2rem); background: var(--color-surface); border-radius: var(--radius-xl); }

.solution-grid { display: grid; gap: var(--space-4); margin-top: clamp(3rem, 2rem + 3vw, 5rem); }
@media (min-width: 640px) { .solution-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .solution-grid { grid-template-columns: repeat(3, 1fr); } }
.solution-card { display: flex; flex-direction: column; }
.solution-card h3 a { color: inherit; text-decoration: none; }
.solution-card p { flex: 1; font-size: var(--fs-sm); margin-bottom: var(--space-4); }
.solution-card .link-arrow { margin-top: auto; }

/* Antes e depois */
.compare { display: grid; gap: var(--space-4); }
@media (min-width: 900px) { .compare { grid-template-columns: 1fr 1fr; gap: var(--space-6); } }
.compare-col { padding: clamp(1.5rem, 1rem + 1.5vw, 2.5rem); border-radius: var(--radius-lg); border: 1px solid var(--color-border); background: #fff; }
.compare-col h3 { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-lg); margin-bottom: var(--space-6); }
.compare-col ul { display: grid; gap: var(--space-4); }
.compare-col li { display: flex; gap: var(--space-3); align-items: flex-start; }
.compare-col li .icon { margin-top: 0.15em; }
.compare-before li { color: var(--color-muted); }
.compare-before li .icon { color: var(--color-border-strong); }
.compare-after { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md); }
.compare-after li .icon { color: var(--color-success); }
.compare-after li { color: var(--color-ink); }

/* Integrações */
.erp-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.erp-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--color-ink);
}
.erp-item .icon { color: var(--color-primary); }
.erp-item small { display: block; font-weight: 500; font-size: var(--fs-xs); color: var(--color-muted); }
.erp-item-other { border-style: dashed; background: transparent; }

/* Demonstração interativa */
.demo {
    display: grid;
    gap: var(--space-6);
    padding: clamp(1rem, 0.5rem + 2vw, 2rem);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}
@media (min-width: 1024px) { .demo { grid-template-columns: 1fr 1.1fr; gap: var(--space-8); } }
.demo-doc {
    position: relative;
    padding: var(--space-6);
    background: #fff;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    color: var(--color-text);
    overflow: hidden;
}
.demo-doc-head { display: flex; justify-content: space-between; gap: var(--space-3); padding-bottom: var(--space-3); margin-bottom: var(--space-3); border-bottom: 2px solid var(--color-ink); }
.demo-doc-head strong { font-size: var(--fs-sm); }
.demo-doc dl { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3) var(--space-4); margin: 0; }
.demo-doc dt { font-size: 0.6875rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.demo-doc dd { margin: 0; font-weight: 600; color: var(--color-ink); font-variant-numeric: tabular-nums; }
.demo-doc .full { grid-column: 1 / -1; }
.demo-doc [data-field] { border-radius: 4px; transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.demo-doc [data-field].is-reading { background: var(--color-secondary-soft); box-shadow: 0 0 0 3px var(--color-secondary-soft); }
.demo-scan {
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 3px;
    background: var(--color-secondary-bright);
    box-shadow: 0 0 16px 4px rgba(31, 181, 203, 0.45);
    opacity: 0;
}
.demo.is-running .demo-scan { opacity: 1; animation: scan 1.8s var(--ease) infinite alternate; }
@keyframes scan { from { top: 0; } to { top: calc(100% - 3px); } }
.demo-badge { display: inline-flex; margin-bottom: var(--space-4); }
.demo-steps { display: grid; gap: var(--space-2); margin-bottom: var(--space-5); }
.demo-step { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-sm); color: var(--color-muted); }
.demo-step .pipe-dot { display: grid; place-items: center; width: 22px; height: 22px; flex-shrink: 0; border-radius: 50%; border: 2px solid var(--color-border-strong); font-size: 0.6875rem; font-weight: 700; }
.demo-step .pipe-dot .icon { display: none; width: 12px; height: 12px; stroke-width: 3; }
.demo-step.is-current { color: var(--color-primary); font-weight: 600; }
.demo-step.is-current .pipe-dot { border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-soft); }
.demo-step.is-done { color: var(--color-ink); }
.demo-step.is-done .pipe-dot { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.demo-step.is-done .pipe-dot .icon { display: block; }
.demo-step.is-done .pipe-dot .num { display: none; }
.demo-output { display: grid; gap: var(--space-2); }
.demo-output .ui-field { display: flex; justify-content: space-between; gap: var(--space-3); align-items: center; min-height: 42px; }
.demo-output .ui-field span:first-child { font-size: var(--fs-xs); color: var(--color-muted); }
.demo-output .ui-field .ui-value { text-align: right; font-size: var(--fs-sm); min-width: 0; overflow-wrap: anywhere; }
.demo-output .ui-field .ui-value:empty::before { content: ""; display: inline-block; width: 80px; height: 8px; border-radius: 4px; background: var(--color-surface-strong); }
.demo-output .ui-field.is-filled { border-color: var(--color-success); background: var(--color-success-soft); }
.demo-result { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-4); padding: var(--space-4); border-radius: var(--radius-md); background: var(--color-success-soft); color: var(--color-success); font-weight: 600; font-size: var(--fs-sm); }
.demo-result[hidden] { display: none; }
.demo-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }
.demo-disclaimer { display: flex; gap: var(--space-2); margin-top: var(--space-4); font-size: var(--fs-xs); color: var(--color-muted); }
.demo-disclaimer .icon { margin-top: 1px; }

/* Segurança */
.security-grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .security-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .security-grid { grid-template-columns: repeat(3, 1fr); } }
.security-item { display: flex; gap: var(--space-4); padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: #fff; }
.security-item .icon-box { margin-bottom: 0; }
.security-item h3 { font-size: var(--fs-md); margin-bottom: var(--space-1); }
.security-item p { font-size: var(--fs-sm); color: var(--color-muted); margin: 0; }

/* Logos de clientes */
.logo-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3); }
.logo-cell { --cols: 3; flex: 0 0 calc((100% - (var(--cols) - 1) * var(--space-3)) / var(--cols)); display: grid; place-items: center; padding: var(--space-4); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); aspect-ratio: 16 / 9; }
@media (min-width: 640px) { .logo-cell { --cols: 4; } }
@media (min-width: 1024px) { .logo-cell { --cols: 6; } }
.logo-cell img { max-height: 56px; width: auto; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: 0.75; transition: filter var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.logo-cell:hover img { filter: none; opacity: 1; }

/* CTA final */
.cta-final {
    position: relative;
    overflow: hidden;
    padding: clamp(2.5rem, 1.5rem + 4vw, 5rem) clamp(1.5rem, 1rem + 3vw, 4rem);
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    color: var(--color-on-dark);
}
.cta-final::after {
    content: "";
    position: absolute;
    right: -120px;
    top: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    border: 70px solid rgba(255, 255, 255, 0.05);
    pointer-events: none;
}
.cta-final h2 { color: #fff; max-width: 22ch; }
.cta-final p { max-width: 56ch; font-size: var(--fs-md); color: var(--color-on-dark); margin-bottom: var(--space-8); }
.cta-final .btn-row { position: relative; z-index: 1; }

/* 7. Páginas internas ------------------------------------------------------ */
.page-hero {
    padding-block: clamp(2rem, 1.5rem + 3vw, 4.5rem) clamp(2.5rem, 2rem + 3vw, 4.5rem);
    background: linear-gradient(180deg, var(--color-primary-softer), #fff);
    border-bottom: 1px solid var(--color-border);
}
.page-hero h1 { max-width: 22ch; }
.page-hero .lead { max-width: 62ch; margin-bottom: var(--space-8); }
.page-hero.center { text-align: center; }
.page-hero.center h1, .page-hero.center .lead { margin-inline: auto; }
.page-hero.center .btn-row { justify-content: center; }
.page-hero-grid { display: grid; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: center; }
@media (min-width: 1024px) { .page-hero-grid { grid-template-columns: 1.05fr 1fr; } }

.breadcrumb { margin-bottom: var(--space-6); font-size: var(--fs-sm); }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); list-style: none; }
.breadcrumb li { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--color-muted); }
.breadcrumb li + li::before { content: "/"; color: var(--color-border-strong); }
.breadcrumb a { color: var(--color-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-primary); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--color-ink); font-weight: 500; }

.problem {
    display: grid;
    gap: var(--space-6);
    padding: clamp(1.5rem, 1rem + 2vw, 3rem);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
}
@media (min-width: 900px) { .problem { grid-template-columns: 0.9fr 1.1fr; align-items: start; } }
.problem h2 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); margin: 0; }
.problem p { font-size: var(--fs-md); margin: 0; }

.steps { display: grid; gap: var(--space-4); counter-reset: steps; }
@media (min-width: 768px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { position: relative; padding: var(--space-6); border-top: 3px solid var(--color-primary); background: #fff; border-radius: 0 0 var(--radius-md) var(--radius-md); box-shadow: var(--shadow-sm); }
.step::before { counter-increment: steps; content: counter(steps, decimal-leading-zero); display: block; margin-bottom: var(--space-3); font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.08em; color: var(--color-secondary); }
.step h3 { font-size: var(--fs-md); margin-bottom: var(--space-2); }
.step p { font-size: var(--fs-sm); color: var(--color-muted); margin: 0; }

.benefit { display: flex; gap: var(--space-4); }
.benefit .icon-box { margin: 0; }
.benefit h3 { font-size: var(--fs-md); margin-bottom: var(--space-1); }
.benefit p { font-size: var(--fs-sm); color: var(--color-muted); margin: 0; }

.related-grid { display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }

.group-title { display: flex; align-items: center; gap: var(--space-3); margin: 0 0 var(--space-6); font-size: var(--fs-xl); }
.group-title .badge { font-size: var(--fs-xs); }

.persona-grid { display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .persona-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .persona-grid { grid-template-columns: repeat(3, 1fr); } }
.persona h3 { font-size: var(--fs-lg); }
.persona ul { display: grid; gap: var(--space-2); margin-top: var(--space-4); font-size: var(--fs-sm); }
.persona li { display: flex; gap: var(--space-2); }
.persona li .icon { color: var(--color-success); margin-top: 0.2em; }

.role-split { display: grid; gap: var(--space-4); }
@media (min-width: 900px) { .role-split { grid-template-columns: 1fr auto 1fr; align-items: stretch; } }
.role-box { padding: var(--space-6); border-radius: var(--radius-lg); border: 1px solid var(--color-border); background: #fff; }
.role-box.is-giadoc { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }
.role-box h3 { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-lg); }
.role-box ul { display: grid; gap: var(--space-2); font-size: var(--fs-sm); }
.role-box li { display: flex; gap: var(--space-2); }
.role-box li .icon { color: var(--color-primary); margin-top: 0.2em; }
.role-arrow { display: grid; place-items: center; color: var(--color-muted); }
@media (max-width: 899px) { .role-arrow .icon { transform: rotate(90deg); } }

/* Linha do tempo (Sobre) */
.timeline { position: relative; display: grid; gap: var(--space-6); max-width: 760px; margin-inline: auto; padding-left: var(--space-8); }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--color-border); }
.timeline-item { position: relative; }
.timeline-item::before { content: ""; position: absolute; left: calc(-1 * var(--space-8) + 1px); top: 6px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--color-primary); }
.timeline-year { display: block; font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.08em; color: var(--color-secondary); margin-bottom: var(--space-1); }
.timeline-item h3 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.timeline-item p { color: var(--color-muted); margin: 0; }

.founder { display: flex; gap: var(--space-4); align-items: flex-start; }
.avatar { display: grid; place-items: center; width: 56px; height: 56px; flex-shrink: 0; border-radius: 50%; background: var(--color-primary); color: #fff; font-weight: 700; letter-spacing: 0.02em; }
.founder h3 { font-size: var(--fs-lg); margin-bottom: 2px; }
.founder .role { display: block; font-size: var(--fs-sm); color: var(--color-secondary); font-weight: 600; margin-bottom: var(--space-2); }

/* Conteúdo longo (páginas legais) */
.prose { max-width: 760px; margin-inline: auto; }
.prose h2 { font-size: var(--fs-xl); margin-top: var(--space-10); }
.prose h3 { font-size: var(--fs-lg); margin-top: var(--space-6); }
.prose ul { padding-left: 1.25rem; margin: 0 0 var(--space-4); display: grid; gap: var(--space-2); }
.prose table { width: 100%; border-collapse: collapse; margin-bottom: var(--space-6); font-size: var(--fs-sm); }
.prose th, .prose td { padding: var(--space-3); border: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.prose > div > :first-child h2, .prose > div:first-child h2 { margin-top: 0; }

/* Página de status (404 etc.) */
.status-page { min-height: 60vh; display: grid; place-items: center; text-align: center; }
.status-code { font-size: clamp(4rem, 3rem + 6vw, 7rem); font-weight: 700; letter-spacing: -0.04em; color: var(--color-primary-soft); line-height: 1; margin-bottom: var(--space-4); }

/* 8. Formulário ------------------------------------------------------------ */
.contact-layout { display: grid; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: start; }
@media (min-width: 1024px) { .contact-layout { grid-template-columns: 0.85fr 1.15fr; } }
.form-card { padding: clamp(1.25rem, 1rem + 2vw, 2.5rem); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); }
.form-card h2 { font-size: var(--fs-xl); margin-bottom: var(--space-2); }
.form-grid { display: grid; gap: var(--space-5); margin-top: var(--space-6); }
@media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .full { grid-column: 1 / -1; } }
.field { display: grid; gap: var(--space-2); }
.field label, .field .label { font-size: var(--fs-sm); font-weight: 600; color: var(--color-ink); }
.field .optional { font-weight: 400; color: var(--color-muted); }
.input, .select, .textarea {
    width: 100%;
    min-height: 48px;
    padding: 0.75rem 0.875rem;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--color-ink);
    font: inherit;
    font-size: var(--fs-base);
    transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.textarea { min-height: 120px; resize: vertical; }
.select { appearance: none; padding-right: 2.5rem; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6778' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 0.875rem center / 18px no-repeat; }
.input::placeholder, .textarea::placeholder { color: #8391a3; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--color-muted); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-soft); }
.field.has-error .input, .field.has-error .select, .field.has-error .textarea { border-color: var(--color-error); }
.field-error { display: none; font-size: var(--fs-sm); color: var(--color-error); }
.field.has-error .field-error { display: flex; gap: var(--space-2); align-items: center; }
.checkbox { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--fs-sm); }
.checkbox input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--color-primary); flex-shrink: 0; }
.hp-field { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: var(--fs-xs); color: var(--color-muted); margin: 0; }
.alert { display: flex; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-radius: var(--radius-md); font-size: var(--fs-sm); margin-top: var(--space-5); }
.alert .icon { margin-top: 0.1em; }
.alert p { margin: 0; }
.alert-success { background: var(--color-success-soft); color: #0f5f2e; border: 1px solid #bfe5cc; }
.alert-error { background: var(--color-error-soft); color: #8f1515; border: 1px solid #f3c4c4; }
.spinner { width: 18px; height: 18px; border: 2px solid rgba(255, 255, 255, 0.4); border-top-color: #fff; border-radius: 50%; animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.contact-aside h2 { font-size: var(--fs-xl); }
.contact-channels { display: grid; gap: var(--space-3); margin-top: var(--space-6); }
.contact-channel { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: #fff; text-decoration: none; color: var(--color-ink); transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
a.contact-channel:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-sm); color: var(--color-ink); }
.contact-channel .icon-box { margin: 0; }
.contact-channel small { display: block; color: var(--color-muted); font-size: var(--fs-xs); }
.contact-channel strong { font-size: var(--fs-sm); }

/* 9. Utilitários ----------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--color-muted); }
.small { font-size: var(--fs-sm); }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    .js .reveal { opacity: 1; transform: none; }
}

@media print {
    .site-header, .site-footer, .wa-float, .cta-final { display: none; }
}

/* Ajustes pós-revisão visual */
.app-frame h3, .feature-row .app-frame h3 { font-size: var(--fs-sm); letter-spacing: 0; line-height: 1.3; }
.hub ul { list-style: none; }
.nowrap { white-space: nowrap; }
.pipe-step span:last-child { white-space: normal; line-height: 1.2; }

/* Diferenciais: leitura no ERP x fluxo completo GiaDoc */
.diff-compare { display: grid; gap: var(--space-4); align-items: stretch; }
@media (min-width: 1024px) { .diff-compare { grid-template-columns: 0.55fr 1.45fr; gap: var(--space-6); } }
.diff-basic, .diff-giadoc { padding: clamp(1.5rem, 1rem + 1.5vw, 2.5rem); border-radius: var(--radius-xl); }
.diff-basic { background: var(--color-surface); border: 1px solid var(--color-border); }
.diff-basic h3, .diff-giadoc h3 { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-xl); margin-bottom: var(--space-2); }
.diff-basic p, .diff-giadoc > p { color: var(--color-muted); margin-bottom: var(--space-6); }
.diff-basic ul { display: grid; gap: var(--space-3); font-size: var(--fs-sm); }
.diff-basic li { display: flex; gap: var(--space-2); color: var(--color-muted); }
.diff-basic li .icon { color: var(--color-muted); margin-top: 0.2em; }
.diff-giadoc { background: #fff; border: 1px solid var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md); }
.diff-giadoc h3 .icon { color: var(--color-primary); }
.diff-grid { display: grid; gap: var(--space-5); }
@media (min-width: 640px) { .diff-grid { grid-template-columns: 1fr 1fr; } }
.diff-item { display: flex; gap: var(--space-3); }
.diff-item .icon-box { width: 36px; height: 36px; margin: 0; flex-shrink: 0; }
.diff-item .icon-box .icon { width: 18px; height: 18px; }
.diff-item strong { display: block; font-size: var(--fs-sm); margin-bottom: 2px; }
.diff-item span:not(.icon-box) { display: block; font-size: var(--fs-sm); color: var(--color-muted); line-height: 1.5; }

/* Itens de grid não devem crescer além da coluna por causa de texto sem quebra */
.ui-list > *, .extract-grid > *, .split > *, .hero-grid > *, .page-hero-grid > *, .contact-layout > *, .diff-compare > *, .grid > *, .demo > *, .converge > *, .compare > *, .role-split > * { min-width: 0; }
.section-head .eyebrow { font-size: var(--fs-xs); color: var(--color-secondary); margin-bottom: var(--space-4); }
.section-dark .section-head .eyebrow { color: var(--color-secondary-bright); }
[hidden] { display: none !important; }
.logo-cell img { filter: none; opacity: 0.92; }
.hero-note { flex-wrap: nowrap; align-items: flex-start; }
.hero-note .icon { margin-top: 0.2em; }
.pipe-step span:last-child { overflow: visible; text-overflow: clip; }
@media (max-width: 639px) {
    .solution-card { display: grid; grid-template-columns: 40px 1fr; column-gap: var(--space-4); padding: var(--space-5); }
    .solution-card .icon-box { grid-row: span 3; width: 40px; height: 40px; margin: 0; }
    .solution-card h3 { margin-bottom: var(--space-1); }
    .solution-card p { margin-bottom: var(--space-2); }
}
.site-footer ul { list-style: none; }
.contact-aside h1 { font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem); }
.ui-item.is-current { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }
.input, .select, .textarea { border-color: #8a97a8; }
.checkbox input { outline-offset: 2px; }
.extract-title { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); margin: 0 0 var(--space-3); font-size: var(--fs-sm); font-weight: 700; color: var(--color-ink); }
.role-title { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); font-size: var(--fs-lg); font-weight: 700; color: var(--color-ink); }
.role-title .icon { color: var(--color-primary); }
.footer-contact li.footer-address { align-items: flex-start; }
.footer-contact li.footer-address .icon { margin-top: 0.2em; }
.footer-contact address { font-style: normal; line-height: 1.5; }