/* ══════════ TF TERRAPLENAGEM — style.css ══════════
   Paleta: laranja de obra #ff7a00 · preto #121212 · carvão #1e1e1e
   Tipografia: system stack (rápida, sem dependência) */

:root {
  --orange: #ff7a00;
  --orange-dark: #e56a00;
  --black: #121212;
  --coal: #1e1e1e;
  --coal-2: #262626;
  --text: #f2f2f2;
  --text-dim: #b8b8b8;
  --line: rgba(255,255,255,.08);
  --radius: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--black);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1140px, 92%); margin: 0 auto; }

/* ═══ HEADER ═══ */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(18,18,18,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-badge {
  background: var(--orange); color: var(--black);
  font-weight: 900; font-size: 1.3rem; letter-spacing: -1px;
  padding: 6px 10px; border-radius: 10px;
}
.logo-text { font-weight: 800; letter-spacing: .5px; display: flex; flex-direction: column; line-height: 1.1; }
.logo-text small { font-weight: 400; font-size: .62rem; color: var(--text-dim); letter-spacing: .3px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--text); font-weight: 600; font-size: .95rem; }
.nav a:hover { color: var(--orange); text-decoration: none; }
.btn-nav { padding: 8px 18px; }
.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.6rem; cursor: pointer; }

/* ═══ BOTÕES ═══ */
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 999px;
  font-weight: 700; font-size: 1rem; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, background .15s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn-orange { background: var(--orange); color: var(--black); }
.btn-orange:hover { background: var(--orange-dark); }
.btn-outline { border-color: var(--orange); color: var(--orange); }
.btn-outline:hover { background: var(--orange); color: var(--black); }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }

/* ═══ HERO ═══ */
.hero {
  padding: 90px 0 70px;
  background:
    linear-gradient(rgba(10,10,10,.82), rgba(10,10,10,.92)),
    url("img/obra-04.jpg") center 30% / cover no-repeat,
    var(--black);
}
.hero-tag {
  color: var(--orange); font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; font-size: .8rem; margin-bottom: 14px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.12; font-weight: 900; letter-spacing: -1px; }
.hero h1 span { color: var(--orange); }
.hero-sub { max-width: 640px; color: var(--text-dim); font-size: 1.1rem; margin: 18px 0 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 26px; color: var(--text-dim); font-size: .9rem; }
.hero-social { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.social-chip {
  display: inline-block; padding: 7px 16px; border-radius: 999px;
  background: var(--coal); border: 1px solid var(--line);
  color: var(--text); font-size: .85rem; font-weight: 600;
  transition: border-color .15s ease;
}
.social-chip:hover { border-color: var(--orange); color: var(--orange); text-decoration: none; }

/* ═══ SEÇÕES ═══ */
.section { padding: 70px 0; }
.section-dark { background: var(--coal); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.3rem); font-weight: 900; letter-spacing: -.5px; margin-bottom: 8px; }
.section-title span { color: var(--orange); }
.section-sub { color: var(--text-dim); max-width: 720px; margin-bottom: 40px; }

/* ═══ CARDS DE SERVIÇO ═══ */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card {
  background: var(--coal); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(255,122,0,.4); }
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.card h3 em { display: block; font-size: .72rem; color: var(--orange); font-style: normal; font-weight: 700; margin-top: 2px; }
.card p { color: var(--text-dim); font-size: .92rem; margin-bottom: 12px; }
.card ul { list-style: none; }
.card li { padding-left: 22px; position: relative; font-size: .88rem; color: var(--text); margin-bottom: 6px; }
.card li::before { content: "▸"; position: absolute; left: 0; color: var(--orange); }
.card-coming { border-style: dashed; border-color: rgba(255,122,0,.5); }

/* ═══ VALORES ═══ */
.valores-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 34px; }
.valor-box { background: var(--black); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.valor-box h3 { font-size: 1.05rem; margin-bottom: 14px; }
.valor-box table { width: 100%; border-collapse: collapse; }
.valor-box td { padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: .9rem; color: var(--text-dim); }
.valor-box td strong { color: var(--text); white-space: nowrap; }
.valor-box td:last-child { text-align: right; color: var(--orange); font-weight: 700; }
.valor-note { font-size: .78rem; color: var(--text-dim); margin-top: 12px; }
.valores-cta { text-align: center; color: var(--text-dim); }
.valores-cta .btn { margin-top: 12px; }

/* ═══ GEORREF STEPS ═══ */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-bottom: 34px; }
.step { display: flex; gap: 14px; background: var(--coal); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.step span {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%;
  background: var(--orange); color: var(--black); font-weight: 900;
  display: flex; align-items: center; justify-content: center;
}
.step p { color: var(--text-dim); font-size: .88rem; }
.georref-callout {
  display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: linear-gradient(90deg, rgba(255,122,0,.12), transparent);
  border: 1px solid rgba(255,122,0,.35); border-radius: var(--radius); padding: 24px;
}
.georref-callout h3 { margin-bottom: 6px; }
.georref-callout p { color: var(--text-dim); max-width: 640px; font-size: .95rem; }

/* ═══ FOTOS ═══ */
.fotos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.foto-item {
  margin: 0; background: var(--coal); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; transition: transform .15s ease, border-color .15s ease;
}
.foto-item:hover { transform: translateY(-3px); border-color: var(--orange); }
.foto-item img { width: 100%; height: 240px; object-fit: cover; display: block; }
.foto-item figcaption {
  padding: 10px 14px; font-size: .85rem; color: var(--text-dim);
  border-top: 1px solid var(--line);
}
.foto-placeholder {
  aspect-ratio: 4/3; background: var(--coal-2); border: 1px dashed rgba(255,255,255,.2);
  border-radius: var(--radius); display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; color: var(--text-dim);
}
.foto-placeholder span { font-size: 2rem; margin-bottom: 8px; }
.foto-placeholder em { font-size: .8rem; }

/* ═══ SOBRE ═══ */
.sobre-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.sobre-grid p { color: var(--text-dim); margin-bottom: 14px; }
.sobre-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat { background: var(--coal); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; text-align: center; }
.stat strong { display: block; font-size: 1.7rem; color: var(--orange); font-weight: 900; }
.stat span { font-size: .82rem; color: var(--text-dim); }

/* ═══ FORMULÁRIO ═══ */
.form { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: .92rem; }
.form input, .form select, .form textarea {
  background: var(--black); border: 1px solid var(--line); border-radius: 10px;
  padding: 13px 14px; color: var(--text); font-size: 1rem; font-family: inherit;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--orange); border-color: transparent; }
.form .btn { align-self: center; }
.form-note { text-align: center; color: var(--text-dim); font-size: .88rem; }

/* ═══ FOOTER ═══ */
.footer { background: #0d0d0d; border-top: 1px solid var(--line); padding: 50px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
.footer h4 { color: var(--orange); margin-bottom: 10px; font-size: .95rem; }
.footer p { color: var(--text-dim); font-size: .9rem; margin-bottom: 6px; }
.footer-rate {
  display: inline-block; margin: 8px 0 14px; padding: 10px 20px;
  border-radius: 999px; background: var(--orange); color: #fff;
  font-weight: 700; font-size: .95rem; text-decoration: none;
  box-shadow: 0 4px 14px rgba(255,102,0,.25);
  transition: transform .15s ease, box-shadow .15s ease;
}
.footer-rate:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,102,0,.4); text-decoration: none; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 16px; }
.footer-bottom p { text-align: center; font-size: .8rem; }

/* ═══ WHATSAPP FLUTUANTE ═══ */
.wa-float {
  position: fixed; bottom: 22px; right: 22px; z-index: 60;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25d366; display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; box-shadow: 0 6px 20px rgba(0,0,0,.45);
  transition: transform .15s ease;
}
.wa-float:hover { transform: scale(1.08); text-decoration: none; }

/* ═══ RESPONSIVO ═══ */
@media (max-width: 860px) {
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--coal); flex-direction: column; padding: 20px; gap: 14px;
    border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .menu-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .sobre-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 50px; }
}