/* =====================================================================
   GRUPO CONSTA — Design System base
   Estrutura, componentes e animações compartilhadas por todas as páginas.
   O tema (cores) é definido por cada página via as variáveis abaixo.
   ===================================================================== */

/* ----------  Reset  ---------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body, "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif);
  color: var(--ink, #1f2430);
  background: var(--bg, #ffffff);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
  font-family: var(--font-head, "Sora", "Inter", sans-serif);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-strong, #11151f);
}

/* ----------  Tokens padrão (sobrescritos por cada tema)  ---------- */
:root {
  --brand: #2f3033;
  --brand-2: #6b6e76;
  --accent: #c8a24a;
  --ink: #2b2f38;
  --ink-strong: #11151f;
  --muted: #6a7180;
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --bg-deep: #11151f;
  --line: #e6e8ee;
  --card: #ffffff;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 4px 14px rgba(17, 21, 31, .06);
  --shadow: 0 18px 40px -18px rgba(17, 21, 31, .22);
  --shadow-lg: 0 40px 80px -30px rgba(17, 21, 31, .35);
  --maxw: 1180px;
  --gut: clamp(20px, 5vw, 64px);
  --wa: #25d366;
  --wa-deep: #128c43;
}

/* ----------  Layout helpers  ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.section { padding-block: clamp(64px, 9vw, 130px); position: relative; }
.section--soft { background: var(--bg-soft); }
.section--deep { background: var(--bg-deep); color: #eef1f6; }
.section--deep h1,
.section--deep h2,
.section--deep h3 { color: #fff; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--font-head, sans-serif);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brand);
  padding: .45em .9em;
  border-radius: 100px;
  background: color-mix(in srgb, var(--brand) 10%, transparent);
}

.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-title {
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  margin: .35em 0 .35em;
}
.section-lead { color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.15rem); }

.lead { font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: var(--muted); }

/* ----------  Botões (hover discreto)  ---------- */
.btn {
  --b: var(--brand);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  font-family: var(--font-head, sans-serif);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  padding: 1.05em 1.7em;
  border-radius: var(--radius-sm);
  color: #fff;
  background: var(--b);
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, filter .22s ease;
  box-shadow: 0 10px 22px -12px color-mix(in srgb, var(--b) 80%, #000);
  will-change: transform;
}
.btn:hover { transform: translateY(-3px); filter: brightness(1.06); box-shadow: 0 18px 30px -14px color-mix(in srgb, var(--b) 75%, #000); }
.btn:active { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid color-mix(in srgb, var(--b) 45%, #fff); outline-offset: 3px; }

.btn--ghost {
  background: transparent;
  color: var(--ink-strong);
  box-shadow: inset 0 0 0 2px var(--line);
}
.btn--ghost:hover { box-shadow: inset 0 0 0 2px var(--brand); color: var(--brand); filter: none; }

.btn--light {
  background: #fff; color: var(--ink-strong);
  box-shadow: 0 10px 24px -14px rgba(0,0,0,.5);
}
.btn--light:hover { color: var(--brand); }

.btn--accent { --b: var(--accent); }
.btn--wa { --b: var(--wa); box-shadow: 0 12px 26px -12px var(--wa-deep); }
.btn--wa:hover { background: var(--wa-deep); }
.btn--lg { padding: 1.2em 2.1em; font-size: 1.08rem; }
.btn .ico { width: 1.25em; height: 1.25em; }
/* seta deslizante discreta */
.btn .arrow { transition: transform .22s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* ----------  Header / Nav  ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  transition: background .3s ease, box-shadow .3s ease, padding .3s ease;
  padding-block: 16px;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line), 0 12px 30px -24px rgba(0,0,0,.4);
  padding-block: 10px;
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav__logo { display: flex; align-items: center; gap: 12px; }
.nav__logo img { height: var(--logo-h, 40px); width: auto; transition: height .3s ease; }
.is-scrolled .nav__logo img { height: calc(var(--logo-h, 40px) - 4px); }

.nav__menu { display: flex; align-items: center; gap: 6px; }
.nav__menu a {
  font-family: var(--font-head, sans-serif);
  font-weight: 600; font-size: .96rem;
  color: var(--ink); padding: .55em .85em; border-radius: 10px;
  position: relative; transition: color .2s ease, background .2s ease;
}
.nav__menu a::after {
  content: ""; position: absolute; left: .85em; right: .85em; bottom: .35em;
  height: 2px; background: var(--brand); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.nav__menu a:hover { color: var(--brand); }
.nav__menu a:hover::after { transform: scaleX(1); }
.nav__actions { display: flex; align-items: center; gap: 12px; }

.nav__toggle { display: none; width: 46px; height: 46px; border-radius: 12px; position: relative; box-shadow: inset 0 0 0 2px var(--line); }
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 20px; height: 2px;
  background: var(--ink-strong); border-radius: 2px; transform: translate(-50%, -50%);
  transition: transform .3s ease, opacity .2s ease;
}
.nav__toggle span::before { transform: translate(-50%, -8px); }
.nav__toggle span::after { transform: translate(-50%, 6px); }
.nav.is-open .nav__toggle span { background: transparent; }
.nav.is-open .nav__toggle span::before { transform: translate(-50%, -50%) rotate(45deg); }
.nav.is-open .nav__toggle span::after { transform: translate(-50%, -50%) rotate(-45deg); }

/* ----------  Hero base  ---------- */
.hero { position: relative; overflow: hidden; }
.hero__inner { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4.4rem); }
.hero p { max-width: 56ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* ----------  Cards  ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 3vw, 34px);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--brand) 35%, var(--line)); }

.icon-badge {
  width: 58px; height: 58px; border-radius: 16px;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--brand) 12%, transparent);
  color: var(--brand); margin-bottom: 18px;
  transition: transform .3s ease, background .3s ease;
}
.card:hover .icon-badge { transform: rotate(-6deg) scale(1.05); }
.icon-badge svg { width: 28px; height: 28px; }

/* ----------  Grid utils  ---------- */
.grid { display: grid; gap: clamp(18px, 2.5vw, 28px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 70px); align-items: center; }

/* ----------  Stats  ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; }
.stat__num { font-family: var(--font-head, sans-serif); font-weight: 800; font-size: clamp(2.1rem, 4.5vw, 3.4rem); line-height: 1; color: var(--brand); }
.stat__label { display: block; margin-top: 8px; color: var(--muted); font-size: .95rem; font-weight: 600; letter-spacing: .02em; }

/* ----------  FAQ  ---------- */
.faq { display: grid; gap: 14px; max-width: 820px; margin-inline: auto; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); overflow: hidden; transition: border-color .25s ease, box-shadow .25s ease; }
.faq__item.is-open { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); box-shadow: var(--shadow-sm); }
.faq__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left; padding: 20px 22px; font-family: var(--font-head, sans-serif); font-weight: 700; font-size: 1.05rem; color: var(--ink-strong); }
.faq__q .plus { flex: none; width: 24px; height: 24px; position: relative; }
.faq__q .plus::before, .faq__q .plus::after { content: ""; position: absolute; inset: 0; margin: auto; background: var(--brand); border-radius: 2px; transition: transform .3s ease; }
.faq__q .plus::before { width: 14px; height: 2px; }
.faq__q .plus::after { width: 2px; height: 14px; }
.faq__item.is-open .plus::after { transform: rotate(90deg); opacity: 0; }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq__a > div { padding: 0 22px 22px; color: var(--muted); }

/* ----------  Footer  ---------- */
.site-footer { background: var(--bg-deep); color: #c7cdd9; padding-block: clamp(50px, 7vw, 84px) 28px; }
.site-footer h4 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; }
.site-footer a { color: #aeb6c4; transition: color .2s ease, padding .2s ease; }
.site-footer a:hover { color: #fff; }
.footer-links li { margin-bottom: 10px; }
.footer-links a:hover { padding-left: 5px; }
.footer-logo { height: 46px; width: auto; margin-bottom: 18px; }
.footer-bottom { margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; color: #8b93a3; font-size: .9rem; }
.socials { display: flex; gap: 12px; }
.socials a { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 11px; background: rgba(255,255,255,.07); transition: transform .25s ease, background .25s ease; }
.socials a:hover { transform: translateY(-3px); background: var(--brand); color: #fff; }
.socials svg { width: 20px; height: 20px; }

/* ----------  WhatsApp flutuante  ---------- */
.wa-float {
  position: fixed; right: clamp(16px, 3vw, 28px); bottom: clamp(16px, 3vw, 28px); z-index: 60;
  display: inline-flex; align-items: center; gap: 0;
  background: var(--wa); color: #fff; border-radius: 100px;
  padding: 14px; box-shadow: 0 16px 34px -10px rgba(18,140,67,.6);
  transition: transform .25s ease, gap .3s ease, padding .3s ease, box-shadow .25s ease;
}
.wa-float svg { width: 28px; height: 28px; flex: none; }
.wa-float .wa-label { max-width: 0; overflow: hidden; white-space: nowrap; font-weight: 700; font-family: var(--font-head, sans-serif); transition: max-width .35s ease, margin .35s ease; }
.wa-float:hover { transform: translateY(-3px) scale(1.02); gap: 10px; padding-inline: 18px; }
.wa-float:hover .wa-label { max-width: 220px; margin-right: 4px; }
.wa-float::after {
  content: ""; position: absolute; inset: -4px; border-radius: 100px; z-index: -1;
  background: var(--wa); opacity: .55; animation: waPulse 2.4s ease-out infinite;
}
@keyframes waPulse { 0% { transform: scale(1); opacity: .5; } 70%,100% { transform: scale(1.5); opacity: 0; } }

/* ----------  Scroll reveal  ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .40s; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ----------  CTA band  ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: clamp(20px, 3vw, 32px); padding: clamp(38px, 6vw, 70px); color: #fff; }
.cta-band h2 { color: #fff; font-size: clamp(1.7rem, 3.6vw, 2.7rem); }
.cta-band p { color: rgba(255,255,255,.85); max-width: 54ch; margin-top: 12px; }
.cta-band .hero__cta { margin-top: 28px; }

/* ----------  Tags / chips  ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { font-size: .85rem; font-weight: 600; padding: .5em 1em; border-radius: 100px; background: color-mix(in srgb, var(--brand) 9%, transparent); color: var(--brand); }

/* ----------  Responsivo  ---------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 760px) {
  .nav__menu, .nav__actions .btn { display: none; }
  .nav__toggle { display: block; }
  .nav__menu.is-open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; left: var(--gut); right: var(--gut); top: calc(100% + 8px);
    background: var(--bg); padding: 14px; border-radius: 16px; box-shadow: var(--shadow);
    border: 1px solid var(--line); z-index: 100;
  }
  .nav__menu.is-open a { padding: .85em 1em; }
  .nav__menu.is-open a::after { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Telefones pequenos (≤ 520px) */
@media (max-width: 520px) {
  :root { --gut: 18px; }
  .hero h1 { font-size: clamp(1.85rem, 7.5vw, 2.4rem); }
  .section-title { font-size: clamp(1.5rem, 6.5vw, 2rem); }
  .section-lead, .lead { font-size: 1rem; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { text-align: center; justify-content: center; }
  .cta-band { padding: 32px 20px; border-radius: 20px; }
  .cta-band .hero__cta { align-items: center; }
  .cta-band p { font-size: .95rem; }
  .faq__q { font-size: .96rem; padding: 16px 18px; }
  .faq__a > div { padding: 0 18px 18px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat__num { font-size: clamp(1.8rem, 8vw, 2.6rem); }
  .section { padding-block: clamp(48px, 9vw, 80px); }
  .site-footer { padding-block: clamp(40px, 8vw, 64px) 24px; }
  .wa-float .wa-label { display: none; }
  .wa-float:hover { gap: 0; padding-inline: 14px; }
}