/* Limpeza Urbana de Lajeado — BF Construtora */

:root {
  --lj-blue: #0a3a7a;
  --lj-blue-2: #0f54a8;
  --lj-blue-3: #0a2a5c;
  --lj-cyan: #2da7e0;
  --lj-green: #2ea24a;     /* tema ambiental sutil */
  --lj-green-2: #1f7a37;
  --lj-yellow: #f6c453;
  --lj-gray-0: #ffffff;
  --lj-gray-1: #f7f8fb;
  --lj-gray-2: #e8ebf2;
  --lj-text: #1c2433;
  --lj-text-soft: #5b6478;
  --lj-radius: 12px;
  --lj-shadow: 0 18px 40px -22px rgba(10, 42, 92, 0.35);
  --lj-shadow-card: 0 10px 28px -16px rgba(10, 42, 92, 0.25);
  --lj-font: "Inter", "Segoe UI", Roboto, system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--lj-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--lj-text);
  background: var(--lj-gray-0);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--lj-blue-2); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--lj-blue-3);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.12; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); line-height: 1.2; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

.lj-container { width: min(1200px, 100% - 2.5rem); margin-inline: auto; }
.lj-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--lj-green);
  margin: 0 0 0.6rem;
}

/* Header ------------------------------------------------------------- */

.lj-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--lj-gray-2);
}

.lj-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 1rem;
}

.lj-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.lj-brand img { height: 36px; width: auto; }

.lj-brand__txt {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  border-left: 1px solid var(--lj-gray-2);
  padding-left: 0.9rem;
}

.lj-brand__txt strong {
  font-size: 0.95rem;
  color: var(--lj-blue-3);
  letter-spacing: 0.01em;
}

.lj-brand__txt span {
  font-size: 0.74rem;
  color: var(--lj-text-soft);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lj-nav { display: flex; gap: 1.6rem; }
.lj-nav a {
  color: var(--lj-text);
  font-weight: 500;
  font-size: 0.95rem;
}
.lj-nav a:hover { color: var(--lj-blue); text-decoration: none; }

@media (max-width: 760px) {
  .lj-nav { display: none; }
}

/* Hero --------------------------------------------------------------- */

.lj-hero {
  position: relative;
  min-height: clamp(380px, 62vh, 580px);
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}

.lj-hero__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
}

.lj-hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(10, 42, 92, 0.82) 0%, rgba(10, 42, 92, 0.52) 60%, rgba(46, 162, 74, 0.4) 100%);
}

.lj-hero__content {
  position: relative;
  z-index: 1;
  padding: 3.5rem 0;
  max-width: 760px;
}

.lj-hero__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.92;
  margin-bottom: 0.7rem;
}

.lj-hero h1 { color: #fff; margin: 0 0 1rem; }

.lj-hero__lead {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  max-width: 560px;
  opacity: 0.95;
}

.lj-hero__cta {
  display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1.6rem;
}

/* Buttons ------------------------------------------------------------ */

.lj-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--lj-radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
}
.lj-btn:hover { text-decoration: none; transform: translateY(-1px); }

.lj-btn--primary {
  background: #fff;
  color: var(--lj-blue);
  box-shadow: 0 12px 30px -16px rgba(0,0,0,0.45);
}
.lj-btn--primary:hover { background: var(--lj-cyan); color: #fff; }

.lj-btn--whats {
  background: var(--lj-green);
  color: #fff;
  box-shadow: 0 12px 30px -16px rgba(0,0,0,0.45);
}
.lj-btn--whats:hover { background: var(--lj-green-2); }

/* Aviso -------------------------------------------------------------- */

.lj-aviso {
  background: var(--lj-yellow);
  color: #4a3b00;
}

.lj-aviso__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0;
  flex-wrap: wrap;
}

.lj-aviso__tag {
  background: #4a3b00;
  color: var(--lj-yellow);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
}

.lj-aviso p { margin: 0; font-size: 0.97rem; }

/* Sections ----------------------------------------------------------- */

.lj-section { padding: clamp(3rem, 6vw, 5rem) 0; }
.lj-section--alt { background: var(--lj-gray-1); }

.lj-section__title { max-width: 760px; margin-bottom: 0.8rem; }
.lj-section__intro {
  max-width: 760px;
  color: var(--lj-text-soft);
  font-size: 1.02rem;
  margin-bottom: 2.4rem;
}

/* Coleta ------------------------------------------------------------- */

.lj-coleta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}

.lj-coleta__bloco {
  background: #fff;
  border: 1px solid var(--lj-gray-2);
  border-radius: var(--lj-radius);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--lj-shadow-card);
}

.lj-coleta__bloco h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.lj-dias {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.lj-dias li {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.55rem 0;
  border-radius: 8px;
  background: var(--lj-gray-1);
  color: var(--lj-text-soft);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.lj-dias li.on {
  background: var(--lj-green);
  color: #fff;
}

.lj-coleta__bloco p {
  font-size: 0.92rem;
  color: var(--lj-text-soft);
  margin: 0;
}

.lj-nota {
  font-size: 0.86rem;
  color: var(--lj-text-soft);
  font-style: italic;
  margin-top: 1.5rem;
  max-width: 800px;
}

/* Descarte ----------------------------------------------------------- */

.lj-descarte {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}

.lj-tipo {
  background: #fff;
  border-radius: var(--lj-radius);
  padding: 1.6rem;
  border: 1px solid var(--lj-gray-2);
  transition: transform .2s ease, box-shadow .2s ease;
}

.lj-tipo:hover {
  transform: translateY(-3px);
  box-shadow: var(--lj-shadow-card);
}

.lj-tipo__icon {
  font-size: 2rem;
  margin-bottom: 0.6rem;
}

.lj-tipo h3 {
  font-size: 1.08rem;
  margin-bottom: 0.4rem;
}

.lj-tipo p {
  margin: 0;
  color: var(--lj-text-soft);
  font-size: 0.93rem;
}

/* Ações -------------------------------------------------------------- */

.lj-acoes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}

.lj-acao {
  background: #fff;
  border: 1px solid var(--lj-gray-2);
  border-left: 4px solid var(--lj-green);
  border-radius: var(--lj-radius);
  padding: 1.5rem 1.5rem 1.4rem;
  box-shadow: var(--lj-shadow-card);
  position: relative;
}

.lj-acao__data {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lj-green);
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.lj-acao h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }

.lj-acao > p {
  color: var(--lj-text-soft);
  font-size: 0.95rem;
  margin: 0 0 0.8rem;
}

.lj-acao__tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  background: var(--lj-green);
  color: #fff;
}

.lj-acao__tag--plan {
  background: var(--lj-gray-2);
  color: var(--lj-text-soft);
}

/* Canal -------------------------------------------------------------- */

.lj-canal {
  background: linear-gradient(135deg, var(--lj-blue-3) 0%, var(--lj-blue) 100%);
  color: #fff;
}

.lj-canal h2 { color: #fff; }
.lj-canal p { color: rgba(255,255,255,0.88); }
.lj-canal .lj-eyebrow { color: var(--lj-cyan); }

.lj-canal__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.4rem;
  align-items: start;
}

@media (max-width: 800px) {
  .lj-canal__inner { grid-template-columns: 1fr; }
}

.lj-canal__lista {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.lj-canal__lista li {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--lj-radius);
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.lj-canal__label {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--lj-cyan);
}

.lj-canal__lista a { color: #fff; }
.lj-canal__lista a:hover { color: var(--lj-cyan); }

/* Footer ------------------------------------------------------------- */

.lj-footer {
  background: var(--lj-blue-3);
  color: rgba(255,255,255,0.7);
  padding: 1.6rem 0;
  font-size: 0.85rem;
}

.lj-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.lj-footer img { filter: brightness(0) invert(1) opacity(0.85); height: 26px; width: auto; }
.lj-footer p { margin: 0; }

/* WhatsApp flutuante ------------------------------------------------- */

.lj-fab {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--lj-green);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 30px -8px rgba(46, 162, 74, 0.55);
  z-index: 50;
  transition: transform .15s ease, background .2s ease;
}

.lj-fab:hover {
  background: var(--lj-green-2);
  transform: translateY(-2px) scale(1.04);
  text-decoration: none;
}