/* Portada de demos de SIAM · oscuro con acento cian, sin degradados morados */
:root {
  --fondo: #050b12;
  --panel: rgb(14 28 40 / 62%);
  --linea: rgb(138 244 255 / 16%);
  --texto: #eaf6fa;
  --suave: rgb(234 246 250 / 68%);
  --cian: #8af4ff;
  --cian-fuerte: #26c6da;
  --fuente: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { background: var(--fondo); color: var(--texto); font-family: var(--fuente); min-height: 100vh; overflow-x: hidden; -webkit-font-smoothing: antialiased; line-height: 1.5; padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom); }
:focus-visible { outline: 2px solid var(--cian); outline-offset: 3px; }
a { color: inherit; text-decoration: none; }

#red { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; }
.velo { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(ellipse at 72% 18%, rgb(38 198 218 / 14%), transparent 55%), radial-gradient(ellipse at 50% 100%, rgb(5 11 18 / 90%), transparent 60%); }

.cab, main, .pie { position: relative; z-index: 2; width: min(1120px, 100% - 32px); margin-inline: auto; }
.cab { display: flex; align-items: center; justify-content: space-between; padding: 22px 0 6px; }
.cab__ms { height: 30px; width: auto; }
.cab__link { font-size: 13px; color: var(--suave); border: 1px solid var(--linea); padding: 7px 14px; border-radius: 999px; transition: color 0.2s, border-color 0.2s, transform 0.16s var(--ease); }
.cab__link:hover { color: var(--cian); border-color: rgb(138 244 255 / 45%); }
.cab__link:active { transform: scale(0.97); }

/* Héroe */
.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 24px; min-height: min(620px, 78vh); padding: 28px 0 8px; }
.etiqueta { font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--cian); margin-bottom: 14px; }
.hero__logo { display: block; width: min(440px, 88%); height: auto; filter: drop-shadow(0 0 28px rgb(138 244 255 / 28%)); }
.hero__bajada { margin-top: 20px; max-width: 46ch; font-size: clamp(16px, 2.2vw, 19px); color: var(--suave); }
.datos { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; list-style: none; padding: 0; }
.datos li { padding: 8px 16px; border: 1px solid var(--linea); border-radius: 999px; background: var(--panel); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); font-size: 14px; color: var(--suave); }
.datos b { color: var(--cian); font-weight: 600; margin-right: 4px; }

/* Sami */
.sami { position: relative; display: grid; place-items: center; aspect-ratio: 1; width: min(420px, 100%); margin-inline: auto; }
.sami__orbe { position: relative; z-index: 2; width: 78%; height: 78%; object-fit: cover; border-radius: 50%; mix-blend-mode: screen; animation: flota 7s ease-in-out infinite; transform: translate(var(--sx, 0px), var(--sy, 0px)); }
.sami__halo { position: absolute; inset: 8%; border-radius: 50%; background: radial-gradient(circle, rgb(138 244 255 / 28%), transparent 66%); animation: late 4.5s ease-in-out infinite; }
.sami__anillo { position: absolute; inset: 2%; border-radius: 50%; border: 1px solid rgb(138 244 255 / 30%); animation: onda 6s var(--ease) infinite; }
.sami__anillo--b { animation-delay: 3s; }
.sami__nombre { position: absolute; z-index: 3; bottom: 4%; padding: 5px 16px; border-radius: 999px; font-size: 13px; letter-spacing: 0.12em; color: var(--fondo); background: var(--cian); box-shadow: 0 0 24px rgb(138 244 255 / 55%); }
@keyframes flota { 0%, 100% { margin-top: 0; } 50% { margin-top: -14px; } }
@keyframes late { 0%, 100% { opacity: 0.7; transform: scale(0.96); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes onda { 0% { opacity: 0.8; transform: scale(0.7); } 100% { opacity: 0; transform: scale(1.18); } }

/* Demos */
.demos { padding: 40px 0 24px; }
.demos__cab h2, .sami-info h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 600; letter-spacing: -0.01em; }
.demos__cab p { color: var(--suave); margin-top: 6px; }
.rejilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 26px; }
.tarjeta { --tono: var(--cian-fuerte); position: relative; display: flex; flex-direction: column; gap: 8px; min-height: 230px; padding: 22px; border-radius: 18px; border: 1px solid var(--linea); background: var(--panel); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); overflow: hidden; transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform 0.25s var(--ease), border-color 0.25s, background-color 0.25s; }
.tarjeta::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--tono); opacity: 0.9; }
.tarjeta::after { content: ""; position: absolute; inset: auto -30% -55% auto; width: 80%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, var(--tono), transparent 65%); opacity: 0.14; transition: opacity 0.3s; }
.tarjeta:hover { border-color: var(--tono); background: rgb(18 36 50 / 72%); }
.tarjeta:hover::after { opacity: 0.3; }
.tarjeta:active { transform: scale(0.985); }
.tarjeta[data-tono="angus"] { --tono: #ffb703; }
.tarjeta[data-tono="liora"] { --tono: #ff8fab; }
.tarjeta[data-tono="spa"] { --tono: #5fe3b4; }
.tarjeta[data-tono="dental"] { --tono: #5aa9ff; }
.tarjeta[data-tono="panel"] { --tono: var(--cian); }
.tarjeta__num { font-size: 13px; letter-spacing: 0.2em; color: var(--tono); }
.tarjeta__tipo { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--suave); }
.tarjeta strong { font-size: 24px; font-weight: 600; line-height: 1.15; }
.tarjeta__txt { font-size: 14.5px; color: var(--suave); }
.tarjeta__ir { margin-top: auto; padding-top: 10px; font-weight: 600; color: var(--tono); }
.tarjeta__ir i { font-style: normal; display: inline-block; transition: transform 0.25s var(--ease); }
.tarjeta:hover .tarjeta__ir i { transform: translateX(6px); }
.tarjeta--pronto { cursor: default; border-style: dashed; }
.tarjeta--pronto:hover { background: var(--panel); }
.tarjeta--pronto:active { transform: none; }
.tarjeta__ir--pronto { color: var(--suave); font-weight: 500; }

/* Sami y módulos */
.sami-info { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; margin-top: 28px; padding: 30px; border: 1px solid var(--linea); border-radius: 22px; background: var(--panel); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.sami-info p { margin-top: 10px; color: var(--suave); max-width: 52ch; }
.mods { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; }
.mods li { padding: 7px 14px; border-radius: 999px; font-size: 13.5px; color: var(--cian); border: 1px solid rgb(138 244 255 / 28%); background: rgb(138 244 255 / 6%); }

/* Pie */
.pie { display: grid; justify-items: center; gap: 14px; padding: 44px 0 52px; text-align: center; }
.pie p { color: var(--suave); font-size: 17px; }
.boton { display: inline-flex; align-items: center; justify-content: center; height: 50px; padding: 0 28px; border-radius: 14px; background: var(--cian); color: var(--fondo); font-weight: 600; box-shadow: 0 10px 34px -10px rgb(138 244 255 / 60%); transition: transform 0.16s var(--ease), box-shadow 0.2s; }
.boton:hover { box-shadow: 0 14px 40px -8px rgb(138 244 255 / 80%); }
.boton:active { transform: scale(0.97); }
.pie small { color: rgb(234 246 250 / 42%); font-size: 12px; letter-spacing: 0.04em; }

/* Entrada escalonada */
.js .hero__texto > *, .js .sami, .js .tarjeta, .js .sami-info, .js .pie > * { opacity: 0; transform: translateY(14px); }
.js .listo .hero__texto > *, .js .listo .sami, .js .listo .tarjeta, .js .listo .sami-info, .js .listo .pie > * { opacity: 1; transform: none; transition: opacity 0.6s var(--ease) var(--d, 0ms), transform 0.6s var(--ease) var(--d, 0ms); }
.js .listo .tarjeta { transition: opacity 0.6s var(--ease) var(--d, 0ms), transform 0.25s var(--ease), border-color 0.25s, background-color 0.25s; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; min-height: 0; text-align: center; }
  .hero__logo, .hero__bajada { margin-inline: auto; }
  .datos { justify-content: center; }
  .sami { width: min(300px, 80%); order: -1; }
  .sami-info { grid-template-columns: 1fr; padding: 22px; }
}
@media (hover: none) { .tarjeta { transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sami__orbe, .sami__halo, .sami__anillo { animation: none; }
  .js .hero__texto > *, .js .sami, .js .tarjeta, .js .sami-info, .js .pie > * { opacity: 1; transform: none; }
  .tarjeta { transform: none; transition: none; }
}