/* HFS Consultoria e Soluções: estilos do site institucional.
   Sem framework: tokens em :root, dark mode por data-theme + prefers-color-scheme,
   layout mobile-first. */

/* ---------- Tokens ---------- */
:root {
  --blue-700: #1D4ED8;
  --blue-100: #DBEAFE;
  --graphite-900: #0F172A;
  --graphite-200: #E2E8F0;

  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --surface: #FFFFFF;
  --text: var(--graphite-900);
  --text-muted: #475569;
  --border: var(--graphite-200);
  --primary: var(--blue-700);
  --primary-hover: #1E40AF;
  --primary-soft: var(--blue-100);
  --on-primary: #FFFFFF;
  --hero-bg: linear-gradient(160deg, #0B1B3A 0%, #0F2A63 55%, #1D4ED8 130%);
  --hero-text: #FFFFFF;
  --hero-muted: #C7D2FE;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
  --ring: 0 0 0 3px rgba(59, 130, 246, .45);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --container: 1120px;
  --gutter: 16px;
  --header-h: 64px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B1220;
    --bg-alt: #0F182B;
    --surface: #131D33;
    --text: #E5E7EB;
    --text-muted: #A3AEC2;
    --border: #22304D;
    --primary: #60A5FA;
    --primary-hover: #93C5FD;
    --primary-soft: #1E2A4A;
    --on-primary: #0B1220;
    --hero-bg: linear-gradient(160deg, #0B1220 0%, #0F1F45 55%, #1E3A8A 130%);
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B1220;
  --bg-alt: #0F182B;
  --surface: #131D33;
  --text: #E5E7EB;
  --text-muted: #A3AEC2;
  --border: #22304D;
  --primary: #60A5FA;
  --primary-hover: #93C5FD;
  --primary-soft: #1E2A4A;
  --on-primary: #0B1220;
  --hero-bg: linear-gradient(160deg, #0B1220 0%, #0F1F45 55%, #1E3A8A 130%);
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--primary-hover); }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.2; letter-spacing: -0.01em; font-weight: 700; }
h1 { font-size: clamp(2rem, 5.5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.25rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 72px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { max-width: 680px; margin-bottom: 40px; }
.eyebrow {
  display: inline-block; margin-bottom: 10px;
  font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--primary);
}
.lead { font-size: 1.1rem; color: var(--text-muted); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.icon { width: 24px; height: 24px; flex: none; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 1000;
  padding: 10px 14px; background: var(--primary); color: var(--on-primary);
  border-radius: 8px; font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border-radius: 10px; border: 1px solid transparent;
  transition: background-color .15s, color .15s, border-color .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--primary); color: var(--on-primary); }
.btn--primary:hover { background: var(--primary-hover); color: var(--on-primary); }
.btn--ghost { background: transparent; color: var(--hero-text); border-color: rgba(255, 255, 255, .4); }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); color: var(--hero-text); }
.btn--outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn--outline:hover { border-color: var(--primary); color: var(--primary); }
.btn .icon { width: 18px; height: 18px; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.header.is-scrolled { border-bottom-color: var(--border); box-shadow: 0 1px 12px rgba(15, 23, 42, .06); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 16px; }
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; line-height: 1.1;
  color: var(--text); text-decoration: none;
}
.logo:hover { color: var(--text); }
.logo__mark {
  display: grid; place-items: center; width: 36px; height: 36px; flex: none;
  border-radius: 9px; background: var(--blue-700); color: #fff;
  font-size: .8rem; font-weight: 800; letter-spacing: .02em;
}
.logo__text small { display: block; font-size: .68rem; font-weight: 500; color: var(--text-muted); letter-spacing: .02em; }

.header__actions { display: flex; align-items: center; gap: 8px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav__list { display: flex; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav__link {
  display: inline-block; padding: 8px 12px; border-radius: 8px;
  color: var(--text); text-decoration: none; font-weight: 500;
}
.nav__link:hover, .nav__link.is-active { background: var(--primary-soft); color: var(--primary); }
.nav__cta { margin-left: 8px; min-height: 40px; padding: 8px 16px; }

.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px;
  border-radius: 8px; border: 1px solid var(--border); background: transparent;
  color: var(--text); cursor: pointer;
}
.icon-btn:hover { background: var(--primary-soft); color: var(--primary); }
.icon-btn .icon { width: 20px; height: 20px; }
.theme-toggle .icon--sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon--sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon--moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon--sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon--moon { display: none; }
}
.nav-toggle { display: none; }
.nav-toggle .icon--close { display: none; }
.nav-toggle[aria-expanded="true"] .icon--menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon--close { display: block; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-grid; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 8px;
    padding: 16px var(--gutter) 20px;
    background: var(--bg); border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: transform .2s, opacity .2s, visibility .2s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; gap: 2px; }
  .nav__link { display: block; padding: 12px; font-size: 1.05rem; }
  .nav__cta { margin: 8px 0 0; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: calc(var(--header-h) + 72px) 0 88px;
  background: var(--hero-bg); color: var(--hero-text);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 0%, transparent 65%);
  mask-image: radial-gradient(ellipse at 70% 30%, #000 0%, transparent 65%);
}
.hero__inner { position: relative; max-width: 760px; }
.hero__tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; margin-bottom: 22px;
  border-radius: 999px; border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .08);
  font-size: .82rem; font-weight: 500; color: var(--hero-muted);
}
.hero__tag .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ADE80; }
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero__sub { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--hero-muted); max-width: 620px; margin-bottom: 32px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px 32px;
  margin: 56px 0 0; padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, .18);
}
.hero__facts dt, .hero__facts dd { margin: 0; }
.hero__facts strong { display: block; font-size: 1.05rem; color: #fff; }
.hero__facts span { font-size: .9rem; color: var(--hero-muted); }

/* ---------- Sobre ---------- */
.about { display: grid; gap: 40px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .about { grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: start; } }
.about__text p { color: var(--text-muted); }
.about__text p strong { color: var(--text); }
.about__pillars { display: grid; gap: 16px; }
.pillar {
  display: flex; gap: 14px; padding: 18px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
}
.pillar__icon {
  display: grid; place-items: center; flex: none; width: 44px; height: 44px;
  border-radius: 10px; background: var(--primary-soft); color: var(--primary);
}
.pillar h3 { font-size: 1.02rem; margin-bottom: 4px; }
.pillar p { font-size: .95rem; color: var(--text-muted); }

.services { display: grid; gap: 16px; margin-top: 48px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .services { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); } }
.service {
  padding: 22px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface);
}
.service .icon { color: var(--primary); margin-bottom: 14px; }
.service h3 { font-size: 1.05rem; }
.service p { font-size: .95rem; color: var(--text-muted); }

/* ---------- Soluções ---------- */
.cards { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); }
/* min-width: 0 nos filhos do grid: sem isso, um link longo ou o cabeçalho do
   card forçam a coluna a crescer além do viewport no mobile. */
.card, .card__id, .card__id > div, .card__list li { min-width: 0; }
.card__list a, .card p { overflow-wrap: anywhere; }
@media (min-width: 800px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  display: flex; flex-direction: column; gap: 16px;
  padding: 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow);
}
.card__head { display: flex; flex-direction: column-reverse; align-items: flex-start; gap: 12px; }
.card__id { display: flex; align-items: center; gap: 14px; }
.card__badge {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  padding: 4px 10px; border-radius: 999px;
  font-size: .75rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
}
.card__badge--live { background: #DCFCE7; color: #166534; }
.card__badge--soon { background: var(--primary-soft); color: var(--primary); }
:root[data-theme="dark"] .card__badge--live { background: #14532D; color: #BBF7D0; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .card__badge--live { background: #14532D; color: #BBF7D0; }
}
.card__logo {
  display: grid; place-items: center; flex: none; width: 52px; height: 52px; border-radius: 12px;
  color: #fff; font-weight: 800; font-size: .95rem; letter-spacing: -0.02em;
}
.card__logo--img { object-fit: cover; }
/* Logo da VSC tem fundo transparente: vai sobre fundo claro para aparecer no dark mode. */
.card__logo--vsc { background: #FFFFFF; border: 1px solid var(--border); }
.card__logo--vsc img { width: 40px; height: 40px; object-fit: contain; }
.card__logo--landing { background: linear-gradient(135deg, #7C3AED, #EC4899); }
.card__list--sites a { font-weight: 600; }
.card h3 { font-size: 1.35rem; margin: 0; }
.card__kicker { color: var(--text-muted); font-size: .95rem; margin: 2px 0 0; }
.card p { color: var(--text-muted); }
.card__list { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.card__list li { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; }
.card__list .icon { width: 18px; height: 18px; margin-top: 3px; color: var(--primary); }
.card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 3px 9px; border-radius: 6px; font-size: .78rem; font-weight: 500;
  background: var(--bg-alt); border: 1px solid var(--border); color: var(--text-muted);
}
.card__foot { margin-top: auto; padding-top: 8px; display: flex; align-items: center; gap: 8px; font-weight: 600; }
.card__foot .icon { width: 18px; height: 18px; }
.card__foot--soon { color: var(--text-muted); }

/* ---------- Processo ---------- */
.steps { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); margin: 0; padding: 0; list-style: none; }
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step {
  position: relative; padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface);
}
.step__num {
  display: inline-grid; place-items: center; width: 40px; height: 40px; margin-bottom: 14px;
  border-radius: 10px; background: var(--primary); color: var(--on-primary);
  font-weight: 700; font-size: 1rem;
}
.step h3 { font-size: 1.05rem; }
.step p { font-size: .95rem; color: var(--text-muted); }
.step__meta { margin-top: 12px; font-size: .82rem; color: var(--primary); font-weight: 600; }

/* ---------- Contato ---------- */
.contact { display: grid; gap: 40px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .contact { grid-template-columns: .9fr 1.1fr; gap: 64px; } }
.contact__info { display: grid; gap: 20px; align-content: start; }
.contact__item { display: flex; gap: 14px; }
.contact__item .pillar__icon { width: 40px; height: 40px; }
.contact__item h3 { font-size: .95rem; margin-bottom: 2px; color: var(--text-muted); font-weight: 600; }
.contact__item p, .contact__item a { font-size: 1.02rem; }

.form { display: grid; gap: 16px; padding: 28px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow); }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .92rem; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: var(--ring); }
.field textarea { min-height: 140px; resize: vertical; }
.field--hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.form__note { font-size: .85rem; color: var(--text-muted); }
.form__status { font-size: .95rem; font-weight: 500; min-height: 1.5em; }
.form__status.is-ok { color: #15803D; }
.form__status.is-err { color: #B91C1C; }
:root[data-theme="dark"] .form__status.is-ok { color: #86EFAC; }
:root[data-theme="dark"] .form__status.is-err { color: #FCA5A5; }

/* ---------- Footer ---------- */
.footer { padding: 48px 0 32px; border-top: 1px solid var(--border); background: var(--bg-alt); font-size: .92rem; }
.footer__grid { display: grid; gap: 32px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 800px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 12px; }
.footer ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.footer a { color: var(--text); text-decoration: none; }
.footer a:hover { color: var(--primary); text-decoration: underline; }
.footer__legal { color: var(--text-muted); }
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
  margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--border);
  color: var(--text-muted); font-size: .85rem;
}

/* ---------- Página de texto (privacidade, 404) ---------- */
.page { padding: calc(var(--header-h) + 48px) 0 72px; }
.page__inner { max-width: 760px; }
.page h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.page h2 { font-size: 1.35rem; margin-top: 2em; }
.page h3 { font-size: 1.08rem; margin-top: 1.5em; }
.page p, .page li { color: var(--text-muted); }
.page li { margin-bottom: .4em; }
.page strong { color: var(--text); }
.page .toc { padding: 18px 22px; border-radius: var(--radius); background: var(--bg-alt); border: 1px solid var(--border); }
.page .toc ol { margin: 8px 0 0; padding-left: 20px; }
.page table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 1em 0; }
.page th, .page td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.page th { color: var(--text); font-weight: 600; }
.page td { color: var(--text-muted); }
.page .updated { font-size: .9rem; color: var(--text-muted); }
.page--center { text-align: center; }
.page--center .page__inner { margin: 0 auto; }
.page--center .btn { margin-top: 16px; }