/* =========================================================================
   Ampla Geotech — site institucional
   CSS puro, sem build. Ver site/README.md para o porquê.
   ========================================================================= */

/* ---------- tokens ---------- */
:root {
  /* Marca. Amostrados do LOGO_SITE.png do site antigo — se o Pablo mandar o
     manual da marca com os valores oficiais, é só trocar aqui. */
  --red: #9e2227;
  --red-bright: #c02b33;
  --red-soft: rgba(158, 34, 39, .10);
  --brand-gray: #58595b;

  --ink: #14161a;
  --ink-2: #1c1f25;
  --ink-3: #272b33;

  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --line: #e3e5e9;

  --text: #14161a;
  --text-muted: #5d626b;
  --text-on-dark: #eef0f3;
  --text-on-dark-muted: #a7adb8;

  --wa: #25d366;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(14, 16, 20, .06), 0 2px 8px rgba(14, 16, 20, .05);
  --shadow-md: 0 8px 28px rgba(14, 16, 20, .10);
  --shadow-lg: 0 20px 55px rgba(14, 16, 20, .16);

  --nav-h: 72px;
  --font-display: "Montserrat", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html:focus-within { scroll-behavior: smooth; }
/* Sem isto toda âncora para em baixo da nav fixa e o título da seção fica escondido. */
html { scroll-padding-top: calc(var(--nav-h) + 24px); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; letter-spacing: -.02em; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

:where(a, button, [tabindex]):focus-visible {
  outline: 3px solid var(--red-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--red); color: #fff; padding: 10px 16px;
  border-radius: 0 0 8px 8px; font-weight: 600; text-decoration: none;
  transition: top .18s ease;
}
.skip-link:focus { top: 0; }

/* ---------- layout ---------- */
.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.section { padding: clamp(64px, 9vw, 112px) 0; }
.section--alt { background: var(--bg-alt); }

.section__head { max-width: 680px; margin-bottom: clamp(36px, 5vw, 56px); }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head h2, .split__text h2, .contact__pitch h2 {
  font-size: clamp(1.85rem, 4.2vw, 2.7rem);
  font-weight: 800;
  margin-block: 10px 14px;
}
.section__lead { color: var(--text-muted); font-size: 1.06rem; }

.eyebrow {
  font-family: var(--font-display);
  font-size: .78rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--red);
  display: flex; align-items: center; gap: 10px;
  margin: 0;
}
.eyebrow::after { content: ""; height: 2px; width: 34px; background: var(--red); opacity: .55; }
.section__head--center .eyebrow { justify-content: center; }
.eyebrow--light { color: #e4989c; }
.eyebrow--light::after { background: #e4989c; }

/* ---------- marca ---------- */
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__mark { width: 38px; height: 38px; flex: none; overflow: visible; }
.brand__mark-face { fill: var(--red); }
.brand__mark-shadow { fill: var(--brand-gray); }
.brand__word {
  font-family: var(--font-display);
  display: grid; line-height: 1;
  letter-spacing: .04em;
}
.brand__word strong { font-weight: 800; font-size: 1.16rem; }
.brand__word span { font-weight: 600; font-size: .78rem; letter-spacing: .26em; color: var(--brand-gray); }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 11px 20px;
  border: 1px solid transparent; border-radius: 100px;
  font-family: var(--font-display); font-weight: 700; font-size: .93rem;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--lg { padding: 15px 30px; font-size: 1rem; }
.btn .icon { width: 19px; height: 19px; flex: none; }

.btn--primary { background: var(--red); color: #fff; box-shadow: 0 6px 18px rgba(158, 34, 39, .28); }
.btn--primary:hover { background: var(--red-bright); box-shadow: 0 10px 26px rgba(158, 34, 39, .36); }

.btn--outline { background: transparent; color: var(--text-on-dark); border-color: rgba(255, 255, 255, .34); }
.btn--outline:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .6); }

.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--red); color: var(--red); background: var(--red-soft); }

.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.icon--fill { fill: currentColor; stroke: none; }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, 0);
  transition: background-color .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

/* Sobre o hero escuro a nav é transparente e clara; ao rolar, vira branca. */
.nav .brand__word strong, .nav .brand__word span { color: #fff; transition: color .25s ease; }
.nav .brand__mark-shadow { fill: rgba(255, 255, 255, .55); transition: fill .25s ease; }
.nav__links > a { color: #fff; }
.nav__links .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .34); }

.nav.is-scrolled {
  background: rgba(255, 255, 255, .93);
  backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 var(--line), 0 6px 24px rgba(14, 16, 20, .07);
}
.nav.is-scrolled .brand__word strong { color: var(--text); }
.nav.is-scrolled .brand__word span { color: var(--brand-gray); }
.nav.is-scrolled .brand__mark-shadow { fill: var(--brand-gray); }
.nav.is-scrolled .nav__links > a { color: var(--text); }
.nav.is-scrolled .nav__links .btn--ghost { color: var(--text); border-color: var(--line); }
.nav.is-scrolled .nav__links .btn--ghost:hover { color: var(--red); border-color: var(--red); }

.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links > a:not(.btn) {
  font-family: var(--font-display); font-weight: 600; font-size: .92rem;
  text-decoration: none; padding: 9px 13px; border-radius: 8px;
  opacity: .92; transition: opacity .16s ease, background-color .16s ease;
}
.nav__links > a:not(.btn):hover { opacity: 1; background: rgba(127, 127, 127, .14); }
.nav__links .btn { margin-left: 6px; }
.nav__client .icon { width: 17px; height: 17px; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px; padding: 11px;
  background: transparent; border: 0; cursor: pointer;
  flex-direction: column; justify-content: space-between;
}
.nav__toggle span {
  display: block; height: 2px; width: 100%; border-radius: 2px;
  background: #fff; transition: transform .22s ease, opacity .18s ease, background-color .25s ease;
}
.nav.is-scrolled .nav__toggle span, .nav.is-open .nav__toggle span { background: var(--text); }
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(165deg, #1b1f26 0%, var(--ink) 55%, #0f1114 100%);
  color: var(--text-on-dark);
  padding-top: calc(var(--nav-h) + clamp(56px, 9vw, 104px));
  padding-bottom: 0;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg::after {
  /* Escurece as bordas para o texto nunca disputar contraste com as curvas. */
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 30% 15%, transparent 0%, rgba(15, 17, 20, .82) 78%);
}
.contours { width: 100%; height: 100%; }
.contours__g { fill: none; stroke: #ffffff; stroke-width: 1.15; opacity: .13; }

/* Sem max-width próprio: .hero__inner também é .wrap, e estreitá-lo aqui desalinharia o texto
   do hero da nav e da faixa de credenciais, que usam a largura cheia do .wrap. Quem limita a
   medida de leitura são o título e o parágrafo, não o container. */
.hero__title {
  /* Teto em 3.5rem: acima disso a primeira linha ("Do levantamento em campo") quebra sozinha
     e o <br> do markup passa a produzir três linhas desalinhadas. */
  font-size: clamp(2.05rem, 5vw, 3.5rem);
  font-weight: 800;
  margin: 18px 0 22px;
  max-width: 940px;
  text-wrap: balance;
}
.hero__lead {
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: var(--text-on-dark-muted);
  max-width: 620px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(56px, 8vw, 88px);
  border-top: 1px solid rgba(255, 255, 255, .13);
}
.trust li {
  padding: 28px clamp(16px, 2.2vw, 28px) 34px;
  border-left: 1px solid rgba(255, 255, 255, .09);
  display: grid; gap: 6px; align-content: start;
}
/* O primeiro item alinha com o texto do hero; os demais ganham o divisor vertical. */
.trust li:first-child { border-left: 0; padding-left: 0; }
.trust strong {
  font-family: var(--font-display); font-weight: 700; font-size: 1.02rem;
  color: #fff;
}
.trust span { font-size: .88rem; line-height: 1.5; color: var(--text-on-dark-muted); }

/* ---------- cards de serviço ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 26px); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(24px, 3vw, 34px);
  display: flex; flex-direction: column; gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #d2d6dd; }
.card__icon {
  width: 54px; height: 54px; border-radius: 12px;
  background: var(--red-soft);
  display: grid; place-items: center;
}
.card__icon svg {
  width: 30px; height: 30px;
  fill: none; stroke: var(--red); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.card h3 { font-size: 1.22rem; font-weight: 700; }
.card p { color: var(--text-muted); font-size: .97rem; }
.card__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; padding-top: 6px; }
.card__tags li {
  font-size: .76rem; font-weight: 600;
  padding: 4px 11px; border-radius: 100px;
  background: var(--bg-alt); color: var(--text-muted); border: 1px solid var(--line);
}

/* ---------- sobre ---------- */
.split {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 72px); align-items: center;
}
.split__text p { color: var(--text-muted); }
.mission {
  margin: 28px 0 0; padding: 22px 26px;
  background: #fff; border-left: 4px solid var(--red); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-sm);
}
.mission__label {
  font-family: var(--font-display); font-weight: 700; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--red);
  margin-bottom: 8px !important;
}
.mission p:last-child { color: var(--text); font-size: .98rem; }

.split__media { margin: 0; position: relative; }
.split__media img {
  /* 4/3, não 4/5: a foto do cliente é paisagem, e o recorte para retrato cortava fora o
     equipamento, que é justamente o assunto dela. */
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #d8dbe0, #eef0f3);
  box-shadow: var(--shadow-lg);
}
.split__media figcaption {
  position: absolute; left: 18px; right: 18px; bottom: 18px;
  background: rgba(20, 22, 26, .78);
  backdrop-filter: blur(6px);
  color: #fff; font-size: .83rem; font-weight: 500;
  padding: 9px 14px; border-radius: 8px;
}

/* ---------- plataforma (GEOAPP) ---------- */
.platform {
  background:
    radial-gradient(90% 70% at 85% 0%, rgba(158, 34, 39, .26) 0%, transparent 60%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  color: var(--text-on-dark);
}
.platform .section__lead { color: var(--text-on-dark-muted); }

.features {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
}
.feature {
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius);
  padding: clamp(22px, 2.6vw, 28px);
  display: grid; gap: 11px; align-content: start;
  transition: background-color .22s ease, border-color .22s ease, transform .22s ease;
}
.feature:hover { background: rgba(255, 255, 255, .075); border-color: rgba(255, 255, 255, .2); transform: translateY(-3px); }
.feature__icon {
  width: 30px; height: 30px;
  fill: none; stroke: #e4989c; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.feature h3 { font-size: 1.06rem; font-weight: 700; color: #fff; }
.feature p { font-size: .93rem; color: var(--text-on-dark-muted); }

.platform__cta { margin-top: clamp(36px, 5vw, 52px); text-align: center; }
.platform__note { margin-top: 14px; font-size: .88rem; color: var(--text-on-dark-muted); }

/* ---------- galeria ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(12px, 1.6vw, 18px); }
.gallery figure {
  margin: 0; position: relative; overflow: hidden;
  border-radius: var(--radius-sm); background: var(--bg-alt);
}
.gallery img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  background: linear-gradient(145deg, #d8dbe0, #eef0f3);
  transition: transform .4s cubic-bezier(.2, .7, .3, 1);
}
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 26px 16px 13px;
  font-family: var(--font-display); font-weight: 600; font-size: .86rem; color: #fff;
  background: linear-gradient(transparent, rgba(15, 17, 20, .82));
}

/* ---------- contato ---------- */
.contact { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.contact__pitch .btn { margin-top: 26px; }
.contact__list { display: grid; gap: 12px; margin-top: 30px; }
.contact__list li { display: flex; align-items: center; gap: 11px; color: var(--text-muted); }
.contact__list .icon { color: var(--red); flex: none; }
.contact__list a { text-decoration: none; font-weight: 500; color: var(--text); }
.contact__list a:hover { color: var(--red); text-decoration: underline; }

.rt {
  background: var(--ink); color: var(--text-on-dark);
  border-radius: var(--radius); padding: clamp(26px, 3vw, 34px);
  box-shadow: var(--shadow-md);
}
.rt__label {
  font-family: var(--font-display); font-size: .74rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: #e4989c;
}
.rt__name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: #fff; margin-top: 10px; }
.rt__role { font-size: .92rem; color: var(--text-on-dark-muted); margin-top: 8px; }
.rt__social { display: flex; gap: 10px; margin-top: 24px; }
.rt__social a {
  width: 44px; height: 44px; border-radius: 10px;
  display: grid; place-items: center;
  border: 1px solid rgba(255, 255, 255, .16);
  transition: background-color .18s ease, border-color .18s ease;
}
.rt__social a:hover { background: var(--red); border-color: var(--red); }
.rt__social svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- rodapé ---------- */
.foot { background: #0f1114; color: var(--text-on-dark-muted); padding: clamp(40px, 5vw, 56px) 0; }
.foot__inner { display: grid; gap: 26px; justify-items: center; text-align: center; }
.foot__brand { display: inline-flex; align-items: center; gap: 12px; }
.foot__brand .brand__word strong { color: #fff; }
.foot__brand .brand__word span { color: var(--text-on-dark-muted); }
.foot__brand .brand__mark-shadow { fill: rgba(255, 255, 255, .5); }
.foot__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; }
.foot__nav a { text-decoration: none; font-size: .93rem; font-weight: 500; }
.foot__nav a:hover { color: #fff; }
.foot__legal { font-size: .83rem; color: #6f757f; }

/* ---------- botão flutuante do WhatsApp ---------- */
.wa-float {
  position: fixed; right: clamp(16px, 3vw, 26px); bottom: clamp(16px, 3vw, 26px);
  z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 8px 26px rgba(37, 211, 102, .42);
  transition: transform .2s ease, box-shadow .2s ease;
}
.wa-float:hover { transform: scale(1.07); box-shadow: 0 12px 34px rgba(37, 211, 102, .55); }
.wa-float svg { width: 30px; height: 30px; fill: currentColor; }

/* ---------- animação de entrada ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .7, .3, 1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* =========================================================================
   Responsivo
   ========================================================================= */
@media (max-width: 1000px) {
  .cards, .features { grid-template-columns: repeat(2, 1fr); }
  .split, .contact { grid-template-columns: 1fr; }
  .split__media { max-width: 520px; }
  .trust { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 16px clamp(16px, 4vw, 40px) 26px;
    background: #fff;
    box-shadow: 0 18px 40px rgba(14, 16, 20, .16);
    border-top: 1px solid var(--line);
    transform: translateY(-14px);
    opacity: 0; visibility: hidden;
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .nav.is-open { background: #fff; box-shadow: none; }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: none; }
  .nav.is-open .brand__word strong { color: var(--text); }
  .nav.is-open .brand__word span { color: var(--brand-gray); }
  .nav.is-open .brand__mark-shadow { fill: var(--brand-gray); }
  /* Dentro do menu aberto os itens são sempre escuros — o fundo é branco. */
  .nav.is-open .nav__links > a:not(.btn) { color: var(--text); }
  .nav.is-open .nav__links .btn--ghost { color: var(--text); border-color: var(--line); }
  .nav__links > a:not(.btn) { padding: 13px 4px; font-size: 1rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav__links .btn { margin: 10px 0 0; justify-content: center; padding: 14px 20px; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .cards, .features, .gallery { grid-template-columns: 1fr; }
  .trust { grid-template-columns: 1fr; }
  .trust li { padding: 20px 0; border-left: 0; }
  .trust li + li { border-top: 1px solid rgba(255, 255, 255, .11); }
  .hero__cta .btn { width: 100%; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 420px) {
  .gallery { grid-template-columns: 1fr; }
  .brand__word strong { font-size: 1.04rem; }
  .brand__word span { font-size: .7rem; letter-spacing: .22em; }
}

/* ---------- preferências do usuário ---------- */
@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .nav, .wa-float, .hero__bg, .platform__cta { display: none !important; }
  body { color: #000; font-size: 12pt; }
  .hero, .platform, .rt, .foot { background: #fff !important; color: #000 !important; }
  .trust strong, .feature h3, .rt__name { color: #000 !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; color: #555; }
}