/* ==========================================================================
   Espaço Bia Rachid — sistema de design
   Paleta extraída da identidade da marca: verde-petróleo, verde-menta,
   dourado e rosa-claro. CSS moderno puro, sem dependências.
   ========================================================================== */

@layer reset, tokens, base, layout, components, utils;

/* ---------- reset ---------- */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; }
  img, svg, video { display: block; max-width: 100%; height: auto; }
  input, button, textarea, select { font: inherit; color: inherit; }
  p, h1, h2, h3, h4, li { overflow-wrap: break-word; }
  :target { scroll-margin-top: 6rem; }
}

/* ---------- tokens ---------- */
@layer tokens {
  :root {
    color-scheme: light;

    /* marca */
    --verde:        #0e6b5e;
    --verde-esc:    #0a4d43;
    --verde-claro:  #7fcbb0;
    --verde-soft:   #e7f5ef;
    --dourado:      #b8862b;
    --dourado-esc:  #8f671d;
    --dourado-soft: #fbf3e3;
    --rosa:         #e79a92;
    --rosa-soft:    #fdeeec;
    --wa:           #25d366;
    --wa-esc:       #128c7e;

    /* texto */
    --ink:    #17302c;
    --ink-2:  #3f5b55;
    --ink-3:  #6b827c;

    /* superfícies */
    --bg:        #ffffff;
    --bg-alt:    #f6faf8;
    --bg-deep:   #0a3f38;
    --line:      #dcebe5;
    --line-soft: #edf5f1;

    /* tipografia fluida */
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --fs-hero:  clamp(1.9rem, 1.3rem + 2.9vw, 3.25rem);
    --fs-h2:    clamp(1.45rem, 1.22rem + 1.15vw, 2.15rem);
    --fs-h3:    clamp(1.15rem, 1.06rem + 0.45vw, 1.45rem);
    --fs-body:  clamp(1.0625rem, 1.03rem + 0.16vw, 1.1875rem);
    --fs-sm:    0.9375rem;
    --fs-xs:    0.8125rem;

    /* ritmo */
    --gap:     clamp(1.25rem, 0.95rem + 1.5vw, 2rem);
    --section: clamp(2.75rem, 2rem + 3.6vw, 5rem);
    --measure: 68ch;
    --wrap:    1140px;

    --radius:    14px;
    --radius-lg: 22px;
    --shadow:    0 1px 2px rgb(14 107 94 / 0.07), 0 8px 24px -8px rgb(14 107 94 / 0.14);
    --shadow-lg: 0 2px 4px rgb(14 107 94 / 0.07), 0 24px 48px -16px rgb(14 107 94 / 0.22);
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      color-scheme: dark;
      --verde:        #5fc3ac;
      --verde-esc:    #8fd8c5;
      --verde-claro:  #3f8f7c;
      --verde-soft:   #12312c;
      --dourado:      #e0ac52;
      --dourado-esc:  #eec276;
      --dourado-soft: #2e2515;
      --rosa:         #f0b0a8;
      --rosa-soft:    #331f1c;
      --ink:    #eaf5f1;
      --ink-2:  #bcd4cd;
      --ink-3:  #8fa9a2;
      --bg:        #0b1a18;
      --bg-alt:    #102522;
      --bg-deep:   #061312;
      --line:      #1e3a35;
      --line-soft: #16302b;
      --shadow:    0 1px 2px rgb(0 0 0 / 0.4), 0 8px 24px -8px rgb(0 0 0 / 0.6);
      --shadow-lg: 0 2px 4px rgb(0 0 0 / 0.4), 0 24px 48px -16px rgb(0 0 0 / 0.7);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }
}

/* ---------- base ---------- */
@layer base {
  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    font-size: var(--fs-body);
    line-height: 1.72;
    text-rendering: optimizeLegibility;
  }

  h1, h2, h3, h4 {
    line-height: 1.2;
    letter-spacing: -0.015em;
    font-weight: 800;
    text-wrap: balance;
    color: var(--ink);
  }
  h1 { font-size: var(--fs-hero); }
  h2 { font-size: var(--fs-h2); }
  h3 { font-size: var(--fs-h3); font-weight: 700; }

  p { text-wrap: pretty; }

  a {
    color: var(--verde);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;

    &:hover { color: var(--dourado-esc); }
  }

  strong { font-weight: 700; color: var(--ink); }

  :focus-visible {
    outline: 3px solid var(--dourado);
    outline-offset: 3px;
    border-radius: 4px;
  }

  ::selection { background: var(--verde); color: #fff; }
}

/* ---------- layout ---------- */
@layer layout {
  .wrap {
    width: min(100% - 2 * var(--gap), var(--wrap));
    margin-inline: auto;
  }

  .prose {
    width: min(100%, var(--measure));

    /* Quando .prose divide o elemento com .wrap, as duas regras disputam a
       largura e a última venceria, zerando a margem lateral no mobile.
       Aqui as duas restrições são combinadas. */
    &.wrap { width: min(100% - 2 * var(--gap), var(--measure)); }

    & > * + * { margin-block-start: 1.15em; }
    & > h2 { margin-block-start: 2.2em; }
    & > h3 { margin-block-start: 1.8em; }

    & ul, & ol { padding-inline-start: 1.35em; display: grid; gap: 0.6em; }
    & li::marker { color: var(--verde); font-weight: 700; }
  }

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

  .section { padding-block: var(--section); }
  .section--alt { background: var(--bg-alt); }
}

/* ---------- componentes ---------- */
@layer components {

  .skip {
    position: absolute; inset-inline-start: -9999px; top: 0; z-index: 100;
    background: var(--verde); color: #fff; padding: 0.75rem 1.25rem;
    border-radius: 0 0 var(--radius) 0;
    &:focus { inset-inline-start: 0; color: #fff; }
  }

  /* ---- cabeçalho ---- */
  .site-head {
    position: sticky; top: 0; z-index: 40;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    border-block-end: 1px solid var(--line);

    & > .wrap { display: flex; align-items: center; gap: var(--gap); min-height: 5.25rem; }
  }

  .brand {
    display: inline-flex; align-items: center; gap: 0.65rem;
    text-decoration: none; color: var(--ink); flex: none;

    & img {
      border-radius: 50%;
      inline-size: clamp(3.625rem, 3.1rem + 1.5vw, 4.5rem);
      block-size: auto;
      aspect-ratio: 1;
    }
    & .brand__txt { display: grid; line-height: 1.18; }
    & b {
      font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
      font-weight: 800; letter-spacing: -0.02em;
      color: var(--dourado-esc);
    }
    & small { font-size: var(--fs-xs); color: var(--verde); font-weight: 600; }
  }

  .nav {
    margin-inline-start: auto; display: flex; align-items: center; gap: 1.15rem;

    & a:not(.btn) {
      color: var(--ink-2); text-decoration: none;
      font-size: var(--fs-sm); font-weight: 600;
      &:hover { color: var(--verde); }
    }
    & .btn { margin-inline-start: 0.4rem; padding: 0.6rem 1.15rem; font-size: var(--fs-sm); }

    @media (width < 940px) { display: none; }
  }

  /* ---- botões ---- */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.95rem 1.6rem; border: 0; border-radius: 999px;
    font-weight: 700; font-size: 1.0625rem; line-height: 1.2;
    text-decoration: none; cursor: pointer;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;

    &:hover { transform: translateY(-2px); }
    &:active { transform: translateY(0); }
    & svg { flex: none; }
  }

  .btn--wa {
    background: linear-gradient(135deg, var(--wa), var(--wa-esc));
    color: #fff;
    box-shadow: 0 8px 20px -6px rgb(18 140 126 / 0.55);
    &:hover { color: #fff; box-shadow: 0 14px 28px -8px rgb(18 140 126 / 0.65); }
  }

  .btn--ghost {
    background: transparent; color: var(--ink);
    box-shadow: inset 0 0 0 2px var(--line);
    &:hover { color: var(--verde); box-shadow: inset 0 0 0 2px var(--verde); }
  }

  .btn--lg { padding: 1.1rem 2rem; font-size: 1.125rem; }
  .btn--block { inline-size: 100%; }

  /* ---- hero ---- */
  .hero {
    position: relative;
    padding-block: clamp(2.25rem, 1.5rem + 3.6vw, 4.5rem) var(--section);
    background:
      radial-gradient(58rem 28rem at 12% -12%, var(--verde-soft), transparent 62%),
      radial-gradient(48rem 24rem at 96% 2%, var(--rosa-soft), transparent 58%);

    & > .wrap {
      display: grid; gap: clamp(2rem, 1rem + 4vw, 3.5rem);
      align-items: center; grid-template-columns: 1fr;
      @media (width >= 980px) { grid-template-columns: 1.1fr 0.9fr; }
    }
  }

  .eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: var(--bg); color: var(--verde);
    border: 1px solid color-mix(in srgb, var(--verde) 32%, transparent);
    padding: 0.4rem 0.9rem; border-radius: 999px;
    font-size: var(--fs-xs); font-weight: 700;
    letter-spacing: 0.04em; text-transform: uppercase;
  }

  .hero__lead {
    font-size: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
    color: var(--ink-2); margin-block-start: 1.15rem; max-inline-size: 56ch;
  }

  .hero__actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-block-start: 2rem; }

  .hero__trust {
    display: flex; flex-wrap: wrap; gap: 1.1rem;
    margin-block-start: 1.5rem; font-size: var(--fs-sm); color: var(--ink-3);
    & span { display: inline-flex; align-items: center; gap: 0.4rem; }
    & svg { color: var(--verde); flex: none; }
  }

  /* ---- cartão de contato ---- */
  .contato {
    background: var(--bg); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
    box-shadow: var(--shadow-lg); text-align: center;
    position: relative; overflow: hidden;

    &::before {
      content: ""; position: absolute; inset-block-start: 0; inset-inline: 0;
      block-size: 5px;
      background: linear-gradient(90deg, var(--verde), var(--verde-claro), var(--dourado));
    }
    & img {
      margin-inline: auto; border-radius: 50%;
      inline-size: clamp(8.75rem, 7rem + 5.5vw, 11rem);
      block-size: auto; aspect-ratio: 1;
    }
    & h2 { font-size: var(--fs-h3); margin-block: 1rem 0.35rem; }
    & .contato__crefito { font-size: var(--fs-sm); color: var(--ink-3); }
  }

  .contato__list {
    text-align: start; display: grid; gap: 0.6rem;
    margin-block: 1.35rem; padding: 0; list-style: none; font-size: var(--fs-sm);

    & li { display: grid; grid-template-columns: 1.15rem 1fr; gap: 0.6rem; align-items: start; color: var(--ink-2); }
    & svg { color: var(--verde); margin-block-start: 0.3rem; }
  }

  .contato__note { font-size: var(--fs-xs); color: var(--ink-3); margin-block-start: 0.9rem; }

  /* ---- cards ---- */
  .cards {
    display: grid; gap: var(--gap);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
    margin-block-start: 2.5rem;
  }

  .card {
    background: var(--bg); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow);

    & h3 { margin-block-end: 0.55rem; }
    & p { color: var(--ink-2); font-size: var(--fs-sm); }
    & a { font-weight: 600; }
  }

  .card__icon {
    display: grid; place-items: center;
    inline-size: 2.75rem; block-size: 2.75rem; border-radius: 12px;
    background: var(--verde-soft); color: var(--verde); margin-block-end: 1rem;
  }

  /* passos numerados */
  .steps { counter-reset: step; display: grid; gap: 1rem; margin-block-start: 2.5rem; padding: 0; list-style: none; }

  .steps li {
    counter-increment: step;
    display: grid; grid-template-columns: 2.75rem 1fr; gap: 1rem; align-items: start;
    background: var(--bg); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.25rem 1.4rem;

    &::before {
      content: counter(step);
      display: grid; place-items: center;
      inline-size: 2.75rem; block-size: 2.75rem; border-radius: 50%;
      background: linear-gradient(135deg, var(--verde), var(--verde-esc));
      color: #fff; font-weight: 800;
    }
    & strong { display: block; margin-block-end: 0.2rem; }
    & p { color: var(--ink-2); font-size: var(--fs-sm); }
  }

  /* destaque */
  .callout {
    border-inline-start: 4px solid var(--dourado);
    background: var(--dourado-soft);
    padding: 1.15rem 1.35rem; border-radius: 0 var(--radius) var(--radius) 0;
    font-size: var(--fs-sm); color: var(--ink-2);
    & strong { color: var(--ink); }
  }

  /* aviso de saúde */
  .aviso {
    background: var(--verde-soft); border: 1px solid color-mix(in srgb, var(--verde) 22%, transparent);
    border-radius: var(--radius); padding: 1rem 1.25rem;
    font-size: var(--fs-xs); color: var(--ink-2); margin-block-start: 1.75rem;
  }

  /* tabela */
  .table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); margin-block-start: 1.5rem; }

  table {
    inline-size: 100%; border-collapse: collapse; font-size: var(--fs-sm); min-inline-size: 34rem;

    & th, & td { text-align: start; padding: 0.85rem 1rem; border-block-end: 1px solid var(--line-soft); }
    & th { background: var(--verde-soft); font-weight: 700; color: var(--ink); white-space: nowrap; }
    & td { color: var(--ink-2); }
    & tr:last-child td { border-block-end: 0; }
  }

  /* ---- FAQ ---- */
  .faq { display: grid; gap: 0.75rem; margin-block-start: 2rem; max-inline-size: 52rem; margin-inline: auto; }

  .faq details {
    border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--bg); overflow: hidden;
    &[open] { border-color: color-mix(in srgb, var(--verde) 45%, transparent); box-shadow: var(--shadow); }
  }

  .faq summary {
    cursor: pointer; padding: 1.1rem 1.35rem; font-weight: 700; color: var(--ink);
    display: flex; align-items: center; gap: 0.9rem; list-style: none;

    &::-webkit-details-marker { display: none; }
    &::after {
      content: ""; margin-inline-start: auto;
      inline-size: 0.6rem; block-size: 0.6rem;
      border-inline-end: 2.5px solid var(--verde); border-block-end: 2.5px solid var(--verde);
      rotate: 45deg; transition: rotate 0.2s ease; flex: none;
    }
    &:hover { color: var(--verde); }
  }
  .faq details[open] summary::after { rotate: -135deg; }
  .faq .faq__body {
    padding: 0 1.35rem 1.25rem; color: var(--ink-2); font-size: var(--fs-sm);
    & > * + * { margin-block-start: 0.8em; }
  }

  /* ---- bloco CTA ---- */
  .cta-band {
    background: linear-gradient(135deg, var(--bg-deep), #0e6b5e 65%, #127d63);
    color: #fff; border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 1.2rem + 2.6vw, 3rem); text-align: center;
    box-shadow: var(--shadow-lg);

    & h2 { color: #fff; }
    & p { color: #cfe8e0; margin-block: 0.85rem 1.75rem; max-inline-size: 56ch; margin-inline: auto; }
    & .cta-band__note { font-size: var(--fs-xs); color: #a5cfc4; margin-block-start: 1.1rem; }
  }

  /* ---- índice ---- */
  .toc {
    background: var(--bg-alt); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.25rem 1.4rem; margin-block: 2rem;

    & h2 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); margin-block-end: 0.85rem; }
    & ol { display: grid; gap: 0.5rem; padding-inline-start: 1.2rem; font-size: var(--fs-sm); }
    & a { color: var(--ink-2); text-decoration: none; font-weight: 600; }
    & a:hover { color: var(--verde); text-decoration: underline; }
  }

  /* ---- breadcrumb ---- */
  .crumbs {
    font-size: var(--fs-xs); color: var(--ink-3); padding-block: 1rem 0;
    & ol { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; padding: 0; align-items: center; }
    & li:not(:last-child)::after { content: "›"; margin-inline-start: 0.4rem; color: var(--line); }
    & a { color: var(--ink-3); text-decoration: none; }
    & a:hover { color: var(--verde); }
    & [aria-current] { color: var(--ink-2); font-weight: 600; }
  }

  /* ---- relacionados ---- */
  .related {
    display: grid; gap: 0.75rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    margin-block-start: 1.75rem; padding: 0; list-style: none;

    & a {
      display: flex; align-items: center; gap: 0.75rem;
      background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
      padding: 1rem 1.15rem; text-decoration: none; color: var(--ink);
      font-weight: 600; font-size: var(--fs-sm);
      transition: border-color 0.16s ease, transform 0.16s ease;

      &:hover { border-color: var(--verde); color: var(--verde); transform: translateY(-2px); }
      &::after { content: "→"; margin-inline-start: auto; color: var(--verde); }
    }
  }

  /* ---- bairros ---- */
  .bairros {
    display: flex; flex-wrap: wrap; gap: 0.5rem;
    margin-block-start: 1.25rem; padding: 0; list-style: none;

    & li {
      background: var(--verde-soft); color: var(--ink-2);
      border-radius: 999px; padding: 0.35rem 0.85rem; font-size: var(--fs-xs); font-weight: 600;
    }
  }

  /* ---- barra fixa mobile ---- */
  .sticky-cta {
    position: fixed; inset-inline: 0; inset-block-end: 0; z-index: 50;
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    backdrop-filter: blur(12px); border-block-start: 1px solid var(--line);
    padding: 0.7rem var(--gap) calc(0.7rem + env(safe-area-inset-bottom));
    display: flex; align-items: center; gap: 0.85rem;
    translate: 0 110%; transition: translate 0.28s ease;

    &[data-visible="true"] { translate: 0 0; }
    & .sticky-cta__info { display: grid; line-height: 1.3;
      & b { font-size: var(--fs-sm); }
      & small { color: var(--ink-3); font-size: var(--fs-xs); }
    }
    & .btn { margin-inline-start: auto; padding: 0.8rem 1.35rem; font-size: var(--fs-sm); white-space: nowrap; }

    @media (width >= 940px) { display: none; }
  }

  .progress {
    position: fixed; inset-block-start: 0; inset-inline-start: 0;
    block-size: 3px; inline-size: 100%; transform-origin: 0 50%;
    scale: var(--p, 0) 1;
    background: linear-gradient(90deg, var(--verde), var(--dourado));
    z-index: 60;
  }

  /* ---- rodapé ---- */
  .site-foot {
    background: var(--bg-deep); color: #b9d6ce;
    padding-block: var(--section) 2.5rem; font-size: var(--fs-sm);
    margin-block-end: 4.75rem;
    @media (width >= 940px) { margin-block-end: 0; }

    & a { color: #e2f2ed; text-decoration: none; }
    & a:hover { color: #fff; text-decoration: underline; }
    & h3 { color: #fff; font-size: 1rem; margin-block-end: 0.9rem; }
    & svg { color: var(--verde-claro); vertical-align: -2px; }
    & .foot-grid img {
      inline-size: clamp(5.5rem, 4.8rem + 2.2vw, 7rem);
      block-size: auto; aspect-ratio: 1; border-radius: 50%;
    }
  }

  .foot-grid {
    display: grid; gap: var(--gap);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
    & ul { list-style: none; padding: 0; display: grid; gap: 0.55rem; }
  }

  .foot-legal {
    margin-block-start: 2.5rem; padding-block-start: 1.75rem;
    border-block-start: 1px solid #1c4b43;
    font-size: var(--fs-xs); color: #8fb3ab; display: grid; gap: 0.75rem;
    & strong { color: #d6ebe5; }
  }
}

/* ---------- utilitários ---------- */
@layer utils {
  .center { text-align: center; }
  .lead { font-size: 1.1875rem; color: var(--ink-2); }
  .visually-hidden {
    position: absolute; inline-size: 1px; block-size: 1px;
    padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap;
  }
  .section-head {
    max-inline-size: 60ch; margin-inline: auto; text-align: center;
    & p { color: var(--ink-2); margin-block-start: 0.85rem; }
  }
}