/* Portafolio TOTALDENT — página principal en negro */
body.landing {
  background:
    radial-gradient(900px 600px at 85% -10%, rgba(62, 230, 211, .10), transparent 60%),
    radial-gradient(700px 500px at -10% 30%, rgba(62, 230, 211, .05), transparent 60%),
    var(--bg);
  overflow-x: hidden;
}
.nav { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 22px; padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(5, 5, 6, .72); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255, 255, 255, .06); }
.nav .marca svg { color: var(--accent); }
.enlaces { display: flex; gap: 24px; margin-left: auto; }
.enlaces a { text-decoration: none; color: var(--ink-2); font-size: 14px; font-weight: 500; }
.enlaces a:hover { color: var(--ink); }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: clamp(20px, 3vw, 48px); align-items: center;
  padding: clamp(28px, 5vw, 70px) clamp(16px, 4vw, 48px) 40px; max-width: 1440px; margin: 0 auto; min-height: calc(100vh - 66px); }
.eyebrow { font-size: 12px; letter-spacing: .26em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin: 0 0 14px; }
.titulo-marca { font-family: var(--display); font-weight: 800; font-size: clamp(40px, 5.7vw, 88px); line-height: .95; letter-spacing: -.04em; margin: 0; white-space: nowrap;
  background: linear-gradient(180deg, #ffffff 30%, #9aa3ad 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lema-grande { font-family: var(--display); font-weight: 600; font-size: clamp(20px, 2.6vw, 34px); letter-spacing: -.01em; margin: 14px 0 0; color: var(--accent); }
.intro { color: var(--ink-2); font-size: clamp(15px, 1.25vw, 17.5px); max-width: 560px; margin: 22px 0 28px; line-height: 1.65; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .btn { padding: 13px 22px; font-size: 15px; }
.cifras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 40px 0 0; max-width: 600px; }
.cifras div { border-top: 1px solid var(--line-2); padding-top: 14px; }
.cifras dt { font-family: var(--display); font-weight: 700; font-size: 24px; color: var(--ink); }
.cifras dd { margin: 4px 0 0; color: var(--muted); font-size: 12.5px; line-height: 1.45; }

.hero-visor { position: relative; height: min(76vh, 720px); min-height: 420px; border-radius: 28px; overflow: hidden;
  background: radial-gradient(70% 60% at 50% 42%, #1a1e24 0%, #0b0c0f 62%, #060607 100%); border: 1px solid rgba(255, 255, 255, .07);
  box-shadow: 0 40px 120px -40px rgba(62, 230, 211, .25), inset 0 1px 0 rgba(255, 255, 255, .05); }
.visor3d { position: absolute; inset: 0; }
.visor3d canvas { display: block; cursor: grab; }
.hero-modos { position: absolute; left: 18px; right: 18px; bottom: 18px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.hero-modos .chip { background: rgba(16, 18, 22, .78); backdrop-filter: blur(8px); padding: 7px 14px; font-size: 13px; }
.hero-pista { position: absolute; top: 18px; right: 20px; margin: 0; font-size: 12px; color: var(--muted); }

.seccion { max-width: 1240px; margin: 0 auto; padding: clamp(56px, 8vw, 110px) clamp(16px, 4vw, 48px) 0; }
.seccion-cab { max-width: 760px; margin-bottom: 34px; }
.seccion h2 { font-family: var(--display); font-weight: 700; font-size: clamp(26px, 3.4vw, 44px); line-height: 1.08; letter-spacing: -.03em; margin: 0; }
.sub { color: var(--muted); font-size: 15.5px; margin: 14px 0 0; }

.servicios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.servicios article { padding: 26px; border-radius: 20px; background: linear-gradient(180deg, var(--panel), #0b0c0f); border: 1px solid var(--line);
  transition: border-color .2s, transform .2s; }
.servicios article:hover { border-color: rgba(62, 230, 211, .4); transform: translateY(-3px); }
.servicios svg { width: 44px; height: 44px; color: var(--accent); }
.servicios h3 { margin: 16px 0 8px; font-size: 18px; font-weight: 600; }
.servicios p { margin: 0; color: var(--muted); font-size: 14.5px; }

.estudio-banda { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; }
.lista-check { list-style: none; padding: 0; margin: 24px 0 28px; display: flex; flex-direction: column; gap: 12px; }
.lista-check li { padding-left: 30px; position: relative; color: var(--ink-2); }
.lista-check li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 6px; background: var(--accent-soft);
  border: 1px solid rgba(62, 230, 211, .5); }
.lista-check li::after { content: ""; position: absolute; left: 6px; top: 7px; width: 5px; height: 9px; border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.estudio-mock { border-radius: 22px; overflow: hidden; border: 1px solid var(--line-2); background: #0b0c0e; box-shadow: var(--shadow); aspect-ratio: 720 / 460; }
.estudio-mock img { width: 100%; height: 100%; object-fit: cover; display: block; }

.casos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.caso { display: flex; flex-direction: column; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: var(--panel); text-decoration: none;
  transition: border-color .2s, transform .2s; }
.caso:hover { border-color: rgba(62, 230, 211, .45); transform: translateY(-3px); }
.caso .img { aspect-ratio: 16 / 10; background: radial-gradient(70% 70% at 50% 45%, #171a1f, #0a0b0d); position: relative; }
.caso .img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.caso .img .etq { position: absolute; left: 12px; top: 12px; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; padding: 4px 9px; border-radius: 999px;
  background: rgba(5, 5, 6, .7); color: var(--accent); border: 1px solid rgba(62, 230, 211, .3); }
.caso .txt { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; }
.caso .txt b { font-size: 16px; }
.caso .txt span { color: var(--muted); font-size: 13.5px; }
.caso .txt i { font-style: normal; color: var(--accent); font-size: 13px; font-weight: 600; margin-top: 4px; }

.tarifario-filtros { display: flex; gap: 14px; justify-content: space-between; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.tarifario-filtros .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.tarifario-filtros input { max-width: 280px; }
.tarifario { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.tarifa-grupo { border: 1px solid var(--line); border-radius: 20px; padding: 8px 22px 14px; background: var(--panel); }
.tarifa-grupo h3 { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin: 16px 0 6px; font-weight: 600; }
.tarifa { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; padding: 11px 0; border-top: 1px solid var(--line); }
.tarifa:first-of-type { border-top: 0; }
.tarifa b { font-weight: 500; font-size: 14.5px; grid-column: 1; grid-row: 1; }
.tarifa small { color: var(--muted); font-size: 12px; grid-column: 1; grid-row: 2; }
.tarifa .precio { font-family: var(--display); font-weight: 600; font-size: 15px; white-space: nowrap; grid-column: 2; grid-row: 1 / span 2; align-self: center; text-align: right; }
.tarifa .precio em { display: block; font-family: var(--font); font-style: normal; font-weight: 400; font-size: 11px; color: var(--muted); }
.cargando { color: var(--muted); }

.contacto { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; padding-bottom: 20px; }
.contacto-datos { display: flex; flex-direction: column; gap: 12px; padding: 26px; border-radius: 22px; border: 1px solid rgba(62, 230, 211, .3);
  background: linear-gradient(160deg, rgba(62, 230, 211, .10), rgba(62, 230, 211, .02)); }
.contacto-datos .dato { display: flex; flex-direction: column; }
.contacto-datos .dato small { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .14em; }
.contacto-datos .dato b { font-size: 16px; font-weight: 600; }

.pie { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 34px clamp(16px, 4vw, 48px); margin-top: 90px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.pie p { margin: 0; flex: 1; text-align: center; min-width: 240px; }
.pie .marca svg { color: var(--accent); }
.pie a:not(.marca) { color: var(--ink-2); }

@media (max-width: 1000px) {
  .hero, .estudio-banda, .contacto { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .hero-visor { height: 62vh; }
  .servicios, .casos { grid-template-columns: repeat(2, 1fr); }
  .tarifario { grid-template-columns: 1fr; }
  .enlaces { display: none; }
  .nav .btn { margin-left: auto; }
}
@media (max-width: 600px) {
  .servicios, .casos { grid-template-columns: 1fr; }
  .cifras { grid-template-columns: 1fr; gap: 10px; }
  .hero-visor { height: 56vh; min-height: 340px; border-radius: 20px; }
  .tarifario-filtros input { max-width: none; }
}