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

:root {
  --dark:    #1a2332;
  --accent:  #d95f2b;
  --wa:      #25d366;
  --text:    #2c2c2c;
  --muted:   #666;
  --bg-alt:  #f4f6f8;
  --white:   #fff;
  --radius:  8px;
  --max-w:   1100px;
  --shadow:  0 2px 12px rgba(0,0,0,0.09);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  line-height: 1.6;
}

img { display: block; width: 100%; height: auto; }
a   { color: inherit; }

/* ── Layout ─────────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dark);
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}

.brand {
  flex: 1;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  color: rgba(255,255,255,0.82);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.18s;
}

.site-nav a:hover { color: var(--white); }

.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  white-space: nowrap;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: 0.2s;
}

/* ── Hero ────────────────────────────────────────────────────────────── */
.hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.25rem;
  background:
    linear-gradient(160deg, rgba(26,35,50,0.92) 0%, rgba(45,30,16,0.88) 100%),
    url('../images/chimney1-bg.jpg') center/cover no-repeat;
  color: var(--white);
}

.hero-content { max-width: 640px; }

.hero-eyebrow {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 0.6rem;
}

.hero-sub {
  font-size: 1.15rem;
  opacity: 0.8;
  margin-bottom: 2rem;
}

.hero-numbers {
  margin-top: 1rem;
  font-size: 0.9rem;
  opacity: 0.6;
}

.hero-numbers a {
  color: var(--white);
  text-decoration: none;
}

.hero-numbers a:hover { opacity: 1; text-decoration: underline; }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  transition: opacity 0.18s, transform 0.12s;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover  { opacity: 0.88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary  { background: var(--accent); color: var(--white); }
.btn-whatsapp { background: var(--wa);     color: var(--white); }
.btn-white    { background: var(--white);  color: var(--accent); }
.btn-outline  { border-color: rgba(255,255,255,0.45); color: var(--white); }
.btn-outline:hover { border-color: var(--white); }

/* ── Sections ────────────────────────────────────────────────────────── */
.section     { padding: 4.5rem 0; }
.section-alt { background: var(--bg-alt); }

.section h2, .section-sub {
  text-align: center;
}

.section h2 {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  color: var(--dark);
  margin-bottom: 0.4rem;
}

.section-sub {
  color: var(--muted);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* ── Cards ───────────────────────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.13);
}

.card img {
  height: 210px;
  object-fit: cover;
}

.card-body    { padding: 1rem 1.1rem 1.1rem; }
.card-body h3 { font-size: 1.05rem; color: var(--dark); margin-bottom: 0.3rem; }
.card-body p  { font-size: 0.9rem;  color: var(--muted); }

/* ── CTA band ────────────────────────────────────────────────────────── */
.cta-band {
  background: var(--accent);
  color: var(--white);
  text-align: center;
  padding: 3.5rem 1.25rem;
}

.cta-band p {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

/* ── Areas ───────────────────────────────────────────────────────────── */
.areas-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-top: 1rem;
}

.areas-map {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.areas-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem 1rem;
  margin-bottom: 1rem;
}

.areas-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid #e5e5e5;
  font-size: 1rem;
}

.areas-more {
  font-style: italic;
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.areas-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ── Footer ──────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 3.5rem 1.25rem 2.5rem;
}

.footer-brand    { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.25rem; }
.footer-tagline  { opacity: 0.65; font-size: 0.9rem; margin-bottom: 1.75rem; }
.footer-cta      { justify-content: center; }
.footer-copy     { margin-top: 2rem; opacity: 0.4; font-size: 0.8rem; }

/* ── Mobile ──────────────────────────────────────────────────────────── */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 1.25rem 1rem;
    gap: 0;
    box-shadow: 0 6px 16px rgba(0,0,0,0.35);
  }

  .site-nav.open { display: flex; }

  .site-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 1rem;
  }

  .site-nav a:last-child { border-bottom: none; }

  .nav-cta {
    background: none;
    padding: 0.85rem 0;
    border-radius: 0;
    font-weight: 700;
  }

  .areas-layout { grid-template-columns: 1fr; gap: 2rem; }

  .hero { min-height: 80vh; }
}