/* ═══════════════════════════════════════
   L&L Comercialización e Instalación SAS
   Estilos compartidos — todas las páginas
═══════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --accent: #B8251F;
  --accent-soft: #d63a34;
  --dark: #111111;
  --dark2: #1c1c1c;
  --mid: #2e2e2e;
  --light: #f6f5f3;
  --muted: #888;
  --white: #ffffff;
  --border: #e5e5e5;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--dark);
  overflow-x: hidden;
  font-size: 16px;
}

h1, h2, h3, h4 {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.04em;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; }

/* ── NAVBAR ── */
.navbar {
  background: var(--white);
  padding: 0.8rem 2.5rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.07); }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-logo-text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  color: var(--dark);
  letter-spacing: 0.06em;
  line-height: 1;
}
.nav-logo-text em { color: var(--accent); font-style: normal; }
.nav-logo-sub {
  font-size: 0.5rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}
.nav-links a {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark);
  padding: 0.5rem 1rem;
  position: relative;
  transition: color 0.2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 1rem; right: 1rem;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--accent); }

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--dark);
  display: block;
  transition: all 0.3s;
}

/* ── PAGE HERO BANNER ── */
.page-hero {
  background: var(--dark);
  padding: 5rem 2.5rem 4rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: attr(data-title);
  position: absolute;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(6rem, 14vw, 11rem);
  color: rgba(255,255,255,0.04);
  top: 50%; left: 2rem;
  transform: translateY(-50%);
  letter-spacing: -0.02em;
  pointer-events: none;
  white-space: nowrap;
}
.page-hero-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
  display: block;
}
.page-hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  color: var(--white);
  line-height: 0.95;
}

/* ── SECTION UTILITIES ── */
.sec-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}
.sec-title {
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  line-height: 0.95;
}
.sec-title em { color: var(--accent); font-style: normal; }

.section { padding: 5.5rem 2.5rem; }
.section-light { background: var(--light); }
.section-dark { background: var(--dark); }

/* ── FOOTER ── */
footer {
  background: var(--dark2);
  padding: 5rem 2.5rem 2rem;
  color: rgba(255,255,255,0.55);
}
.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--white);
  letter-spacing: 0.06em;
  line-height: 1;
  margin-bottom: 0.8rem;
}
.footer-brand em { color: var(--accent); font-style: normal; }
footer h6 {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.2rem;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.45rem; }
.footer-links a, footer p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-hr { border: none; border-top: 1px solid rgba(255,255,255,0.08); margin: 2.5rem 0 1.5rem; }
.footer-copy { font-size: 0.74rem; color: rgba(255,255,255,0.22); text-align: center; }

/* ── SCROLL TOP ── */
#scrollTop {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  background: var(--dark);
  color: var(--white);
  border: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s, background 0.2s;
  z-index: 999;
}
#scrollTop.visible { opacity: 1; }
#scrollTop:hover { background: var(--accent); }

/* ── BUTTONS ── */
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--white);
  padding: 12px 26px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary-custom:hover { background: var(--accent-soft); color: var(--white); transform: translateX(3px); }

.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid var(--dark);
  color: var(--dark);
  padding: 11px 24px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-outline-custom:hover { background: var(--dark); color: var(--white); }
.btn-outline-white {
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
}
.btn-outline-white:hover { background: var(--white); color: var(--dark); }

/* ── RESPONSIVE NAV ── */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    inset: 0 0 0 30%;
    background: var(--dark);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 3rem 2rem;
    gap: 1rem;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 1100;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { color: var(--white); font-size: 1rem; padding: 0.4rem 0; }
  .nav-links a::after { left: 0; right: 0; }
  .section { padding: 4rem 1.5rem; }
  .page-hero { padding: 4rem 1.5rem 3rem; }
  footer { padding: 4rem 1.5rem 2rem; }
  .navbar { padding: 0.8rem 1.5rem; }
}