/* Dee — PORTADA (index.html): cabecera, presentación con la maqueta de la app, qué hace, cómo funciona, privacidad,
   gama tresD, beta, preguntas y pie. Misma paleta y letra que tresD DICOM. */

body.portada { background: var(--window-bg); }
.contenedor { width: min(1160px, 100% - 40px); margin-inline: auto; }

/* CABECERA */
.p-cab {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--window-bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color var(--t-media), box-shadow var(--t-media);
}
.p-cab.con-sombra { border-bottom-color: var(--border-suave); box-shadow: 0 1px 0 #0000000a; }
.p-cab .contenedor { display: flex; align-items: center; gap: 18px; height: 68px; }
.p-nav { display: flex; gap: 4px; margin-left: 18px; }
.p-nav a { color: var(--text2); font-size: 14px; font-weight: 500; padding: 8px 10px; border-radius: 8px; text-decoration: none; }
.p-nav a:hover { background: var(--ghost-hover); color: var(--text); }
.p-cab .acciones { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.p-menu-movil { display: none; }

/* PRESENTACIÓN */
.p-hero { position: relative; overflow: hidden; padding: 72px 0 88px; background: var(--fondo-app); }
.p-hero::before, .p-hero::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(70px); opacity: .45; pointer-events: none;
}
.p-hero::before { width: 520px; height: 520px; right: -120px; top: -160px; background: radial-gradient(circle, #89CBC4 0%, transparent 70%); }
.p-hero::after { width: 420px; height: 420px; left: -160px; bottom: -200px; background: radial-gradient(circle, #ADD9E9 0%, transparent 70%); opacity: .35; }
:root[data-tema="oscuro"] .p-hero::before { opacity: .18; }
:root[data-tema="oscuro"] .p-hero::after { opacity: .14; }
.p-hero .contenedor { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.p-kicker { margin-bottom: 22px; white-space: normal; max-width: 100%; }
.p-hero h1 { font-size: clamp(34px, 4.2vw, 52px); line-height: 1.07; letter-spacing: -.03em; font-weight: 700; }
.p-hero h1 .grad-txt { display: block; }
.p-hero .sub { margin-top: 22px; font-size: 18px; line-height: 1.6; color: var(--text2); max-width: 560px; font-weight: 400; }
.p-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.p-sellos { display: flex; gap: 8px 18px; flex-wrap: wrap; margin-top: 22px; color: var(--hint); font-size: 13.5px; }
.p-sellos span { display: inline-flex; align-items: center; gap: 6px; }
.p-sellos .ico { color: var(--green2); }
:root[data-tema="oscuro"] .p-sellos .ico { color: var(--green-dk); }

/* maqueta de la aplicación */
.maqueta {
  position: relative; border-radius: 20px; border: 1px solid var(--border); background: var(--surface);
  box-shadow: var(--sombra-3); overflow: hidden; display: grid; grid-template-columns: 1.15fr .85fr; min-height: 420px;
  transform: perspective(1600px) rotateY(-4deg) rotateX(2deg); transition: transform .6s cubic-bezier(.2,.8,.2,1);
}
.maqueta:hover { transform: none; }
.mq-chat { display: flex; flex-direction: column; padding: 18px; gap: 12px; border-right: 1px solid var(--border-suave); background: var(--window-bg); }
.mq-cab { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border-suave); }
.mq-cab .chip { margin-left: auto; }
.mq-msg { max-width: 92%; font-size: 13px; line-height: 1.5; opacity: 0; transform: translateY(6px); animation: mq-entra .5s ease forwards; }
.mq-msg.dee { display: flex; gap: 8px; align-items: flex-start; }
.mq-msg.dee .tda { flex: none; width: 26px; height: 26px; margin-top: 2px; }
.mq-msg.dee .txt { background: var(--surface2); border-radius: 4px 14px 14px 14px; padding: 9px 12px; }
.mq-msg.yo { align-self: flex-end; background: var(--grad); color: var(--grad-text); border-radius: 14px 4px 14px 14px; padding: 9px 12px; }
.mq-msg .btn { margin-top: 8px; --alto: 30px; font-size: 12px; padding: 0 10px; }
.mq-msg:nth-of-type(2) { animation-delay: .5s; } .mq-msg:nth-of-type(3) { animation-delay: 1.7s; } .mq-msg:nth-of-type(4) { animation-delay: 2.9s; }
.mq-escribe { margin-top: auto; display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 12px; padding: 9px 10px 9px 12px; color: var(--muted); font-size: 12.5px; background: var(--surface); }
.mq-escribe .ico { margin-left: auto; color: var(--accent); }
.mq-panel { padding: 18px; display: flex; flex-direction: column; gap: 10px; background: var(--side-bg); }
.mq-panel .tit { font-size: 12px; font-weight: 600; color: var(--hint); text-transform: uppercase; letter-spacing: .08em; }
.mq-doc { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.mq-diapos { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mq-diapo { aspect-ratio: 16 / 9; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); position: relative; overflow: hidden; opacity: 0; animation: mq-entra .5s ease forwards; }
.mq-diapo::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 22%; background: var(--grad-marca); opacity: .9; }
.mq-diapo::after { content: ""; position: absolute; left: 10%; right: 10%; bottom: 14%; height: 44%; border-radius: 4px; background: repeating-linear-gradient(90deg, var(--surface3) 0 30%, transparent 30% 35%); }
.mq-diapo:nth-child(1) { animation-delay: 3.3s; } .mq-diapo:nth-child(2) { animation-delay: 3.45s; } .mq-diapo:nth-child(3) { animation-delay: 3.6s; }
.mq-diapo:nth-child(4) { animation-delay: 3.75s; } .mq-diapo:nth-child(5) { animation-delay: 3.9s; } .mq-diapo:nth-child(6) { animation-delay: 4.05s; }
@keyframes mq-entra { to { opacity: 1; transform: none; } }

/* SECCIONES */
.p-sec { padding: 96px 0; }
.p-sec.alt { background: var(--side-bg); }
.p-sec h2 { font-size: clamp(28px, 3.2vw, 40px); letter-spacing: -.025em; }
.p-sec .sec-sub { margin-top: 12px; color: var(--hint); font-size: 17px; max-width: 640px; }
.p-cab-sec { margin-bottom: 44px; }
.p-cab-sec.centro { text-align: center; } .p-cab-sec.centro .sec-sub { margin-inline: auto; }

.rejilla { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.p-card { padding: 24px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); transition: transform var(--t-media), box-shadow var(--t-media), border-color var(--t-media); }
.p-card:hover { transform: translateY(-3px); box-shadow: var(--sombra-2); border-color: var(--seg-border); }
.p-card .ico-caja { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--seg-bg); color: var(--accent); border: 1px solid var(--seg-border); margin-bottom: 16px; }
.p-card h3 { font-size: 17px; font-weight: 600; }
.p-card p { margin-top: 8px; color: var(--hint); font-size: 14.5px; }

.pasos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; counter-reset: paso; }
.paso { position: relative; padding: 26px 24px 24px; border-radius: 16px; border: 1px dashed var(--seg-border); background: var(--surface); }
.paso::before {
  counter-increment: paso; content: counter(paso); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--grad); color: var(--grad-text); font-weight: 700; font-size: 15px; margin-bottom: 14px;
}
.paso h3 { font-size: 17px; font-weight: 600; }
.paso p { margin-top: 6px; color: var(--hint); font-size: 14.5px; }

/* banda de privacidad: siempre oscura, como la portada de ortodonciatresd.com */
.banda {
  border-radius: 28px; padding: 56px; color: #EEF2FF; position: relative; overflow: hidden;
  background: radial-gradient(70% 90% at 90% 10%, #89CBC433 0%, transparent 60%), radial-gradient(60% 80% at 0% 100%, #399F4826 0%, transparent 60%), #0B0F1A;
  border: 1px solid #2A3350;
}
.banda h2 { color: #fff; max-width: 720px; }
.banda .rejilla { margin-top: 36px; }
.banda .p-card { background: #141A28cc; border-color: #2A3350; }
.banda .p-card:hover { border-color: #234A45; }
.banda .p-card .ico-caja { background: #14201F; border-color: #234A45; color: #97C9C3; }
.banda .p-card p { color: #AEBABA; }
.banda .nota { margin-top: 28px; display: flex; gap: 10px; color: #AEBABA; font-size: 14px; max-width: 820px; }
.banda .nota .ico { color: #F5C46B; margin-top: 2px; }
.banda .tda { position: absolute; right: 48px; top: 40px; width: 92px; height: 92px; opacity: .95; --asta: #fff; --cara: #F4F8FA; --brillo: #0B0F1A; }

/* gama tresD */
.gama { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.gama .p-card { display: flex; flex-direction: column; gap: 6px; }
.gama .logo { height: 36px; display: flex; align-items: center; margin-bottom: 10px; }
.gama .logo img { height: 26px; width: auto; }
.gama .logo .dee-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 22px; letter-spacing: -.02em; }
.gama .logo .dee-logo .tda { width: 32px; height: 32px; }
.gama .p-card .chip { align-self: flex-start; margin-bottom: 4px; }
.gama .p-card .btn { margin-top: auto; align-self: flex-start; }
.gama .p-card p { margin-bottom: 18px; }
.gama .dee { border: 1px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad-marca) border-box; }

/* beta */
.p-beta { display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center; padding: 40px 44px; border-radius: 24px; border: 1px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad-marca) border-box; box-shadow: var(--sombra-2); }
.p-beta .tda { width: 84px; height: 84px; }
.p-beta h2 { font-size: clamp(24px, 2.6vw, 32px); }
.p-beta p { margin-top: 8px; color: var(--text2); }
.p-beta .precio { margin-top: 10px; color: var(--hint); font-size: 13.5px; }

/* preguntas */
.faq { max-width: 820px; margin-inline: auto; display: grid; gap: 10px; }
.faq details { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); padding: 0 20px; transition: border-color var(--t-media); }
.faq details[open] { border-color: var(--seg-border); box-shadow: var(--sombra-1); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 0; font-weight: 600; display: flex; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { margin-left: auto; color: var(--hint); transition: transform var(--t-media); }
.faq details[open] summary .ico { transform: rotate(180deg); }
.faq details p { padding: 0 0 18px; color: var(--text2); }

/* pie */
.p-pie { border-top: 1px solid var(--border); padding: 48px 0 40px; background: var(--side-bg); }
.p-pie .contenedor { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; }
.p-pie .desc { margin-top: 12px; color: var(--hint); font-size: 14px; max-width: 460px; }
.p-pie .empresa { margin-top: 18px; font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.p-pie .empresa img { height: 20px; width: auto; }
.p-pie nav { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; justify-self: end; }
.p-pie nav a, .p-pie nav button { color: var(--text2); font-size: 14px; background: none; border: 0; padding: 0; text-align: left; }
.p-pie nav a:hover, .p-pie nav button:hover { color: var(--accent); text-decoration: underline; }

/* ventana de ACCESO */
.acceso .pestanas { margin: -4px 0 18px; }
.acceso form { display: grid; gap: 14px; }
.acceso .dos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.acceso .o { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12.5px; }
.acceso .o::before, .acceso .o::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.btn-google { position: relative; }
.btn-google .chip { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-size: 10px; padding: 2px 7px; }

/* menú en el móvil */
.p-hoja { position: fixed; inset: 68px 0 auto 0; z-index: 49; background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--sombra-2); padding: 12px 20px 20px; display: grid; gap: 4px; animation: aparece var(--t-rapida) ease; }
.p-hoja a { padding: 12px 8px; border-radius: 10px; color: var(--text); font-weight: 500; text-decoration: none; }
.p-hoja a:hover { background: var(--ghost-hover); }
.p-hoja .btn { margin-top: 8px; }

/* TABLETA Y MÓVIL */
@media (max-width: 1080px) {
  .p-nav { display: none; }
  .p-menu-movil { display: inline-grid; }
  .p-hero .contenedor { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .maqueta { transform: none; max-width: 640px; }
  .rejilla, .gama { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .contenedor { width: min(1160px, 100% - 32px); }
  .p-cab .btn-entrar, .p-cab .btn-idioma .nom, .p-cab .marca-de { display: none; }
  .p-cab .acciones { gap: 2px; }
  .p-cab .btn-idioma { padding: 0 8px; }
  .p-cab .contenedor { gap: 8px; }
  .p-hero { padding: 40px 0 56px; }
  .p-hero .sub { font-size: 16px; }
  .p-ctas .btn { flex: 1 1 100%; }
  .maqueta { grid-template-columns: 1fr; min-height: 0; }
  .mq-panel { display: none; }
  .p-sec { padding: 64px 0; }
  .rejilla, .gama, .pasos { grid-template-columns: 1fr; }
  .banda { padding: 36px 22px; border-radius: 20px; }
  .banda .tda { display: none; }
  .p-beta { grid-template-columns: 1fr; padding: 28px 22px; text-align: center; justify-items: center; }
  .p-pie .contenedor { grid-template-columns: 1fr; }
  .p-pie nav { justify-self: start; }
  .acceso .dos { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .p-cab .btn-pedir { padding: 0 12px; font-size: 13px; }
}
/* v0.2.0: «Entrar» con el código de la beta */
.acceso .entrar-codigo { display: grid; gap: 12px; }
.acceso .entrar-codigo h3 { display: flex; align-items: center; gap: 8px; margin: 0; font-size: calc(15px * var(--fs)); }
.acceso .entrar-codigo h3 .ico { color: var(--accent); }
.acceso .entrar-codigo p { margin: 0; }