/* ==========================================================================
   Jess PC - Sistema de diseño "Lumina Tech"
   CSS3 nativo, sin dependencias externas.
   Base de tipografía: font-size raíz 10px (1rem = 1rem; usar rem en todo).
   ========================================================================== */

/* ---- Fuentes self-host (coloca los .woff2 en /assets/fonts/) -------------
   Si no existen, se usa la pila de sistema definida en las variables. ------- */
@font-face {
  font-family: 'Montserrat';
  src: url('/assets/fonts/montserrat-700.woff2') format('woff2');
  font-weight: 700; font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  src: url('/assets/fonts/montserrat-800.woff2') format('woff2');
  font-weight: 800; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-400.woff2') format('woff2');
  font-weight: 400; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-600.woff2') format('woff2');
  font-weight: 600; font-display: swap;
}

/* ---- Tokens de diseño ---------------------------------------------------- */
:root {
  /* Colores (DESIGN.md / Lumina Tech) */
  --surface: #0b1326;
  --surface-container-lowest: #060e20;
  --surface-container-low: #131b2e;
  --surface-container: #171f33;
  --surface-container-high: #222a3d;
  --surface-container-highest: #2d3449;
  --surface-bright: #31394d;
  --surface-variant: #2d3449;
  --background: #0b1326;
  --on-surface: #dae2fd;
  --on-background: #dae2fd;
  --on-surface-variant: #c4c6cf;
  --outline: #8e9198;
  --outline-variant: #43474e;
  --primary: #afc8f0;
  --primary-fixed-dim: #afc8f0;
  --on-primary: #163152;
  --primary-container: #001f3f;
  --on-primary-container: #6f88ad;
  --secondary: #ffb787;
  --on-secondary: #502400;
  --secondary-container: #ea7600;
  --on-secondary-container: #4d2300;
  --on-secondary-fixed: #311300;
  --tertiary: #a7c8ff;
  --tertiary-container: #001f42;
  --error: #ffb4ab;
  --error-container: #93000a;

  /* Tipografía */
  --font-head: 'Montserrat', system-ui, 'Segoe UI', sans-serif;
  --font-body: 'Inter', system-ui, 'Segoe UI', Roboto, sans-serif;

  /* Radios */
  --r-sm: 0.4rem;
  --r: 0.8rem;
  --r-md: 1.2rem;
  --r-lg: 1.6rem;
  --r-xl: 2.4rem;
  --r-full: 9999px;

  /* Espaciado (rem, base 10px) */
  --gutter: 2.4rem;
  --margin-mobile: 1.6rem;
  --margin-desktop: 4.8rem;
  --container-max: 128rem;

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-top: rgba(175, 200, 240, 0.30);
  --shadow-depth: 0 1rem 3rem rgba(0, 31, 63, 0.5);
  --shadow-warm: 0 0.4rem 1.5rem rgba(255, 133, 27, 0.4);
}

/* ---- Reset y base -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 62.5%;            /* 1rem = 10px */
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--on-background);
  background-color: var(--background);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, h4, h5 { font-family: var(--font-head); line-height: 1.15; font-weight: 700; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--margin-mobile);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--margin-desktop); }
}

.muted { color: var(--on-surface-variant); }
.small { font-size: 1.3rem; }
.text-secondary { color: var(--secondary); }
.text-primary { color: var(--primary); }
.italic { font-style: italic; opacity: 0.8; }
.center { text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---- Iconos -------------------------------------------------------------- */
.icon { width: 2.4rem; height: 2.4rem; flex: none; }
.icon--sm { width: 1.8rem; height: 1.8rem; }
.icon--lg { width: 3.6rem; height: 3.6rem; }

/* ---- Fondo decorativo (esferas + dot grid) ------------------------------ */
.bg-decor { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.glow-sphere { position: absolute; border-radius: var(--r-full); filter: blur(120px); opacity: 0.4; }
.glow-sphere--primary   { top: -16rem; left: -16rem; width: 60rem; height: 60rem; background: var(--primary); transition: transform 0.4s ease; }
.glow-sphere--secondary { top: 40%; right: -16rem; width: 50rem; height: 50rem; background: var(--secondary-container); }
.glow-sphere--tertiary  { bottom: 0; left: 25%; width: 70rem; height: 70rem; background: var(--tertiary-container); opacity: 0.2; }
.dot-grid {
  position: absolute; inset: 0; opacity: 0.03;
  background-image: radial-gradient(var(--primary) 1px, transparent 1px);
  background-size: 4rem 4rem;
}

/* ---- Glassmorphism ------------------------------------------------------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-top: 0.5px solid var(--glass-top);
}

/* ---- Barra superior ------------------------------------------------------ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 19, 38, 0.8);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-depth);
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; height: 8rem; }
.brand { display: flex; align-items: center; gap: 1.2rem; }
.brand__icon { width: 2.8rem; height: 2.8rem; color: var(--primary); }
.brand__name { font-family: var(--font-head); font-size: 2.4rem; font-weight: 700; letter-spacing: -0.03em; color: var(--primary-fixed-dim); }

.mainnav { display: none; align-items: center; gap: 2.4rem; }
.mainnav__link {
  font-size: 1.4rem; font-weight: 600; letter-spacing: 0.05em;
  color: var(--on-surface-variant); padding: 0.4rem 0.2rem; border-bottom: 2px solid transparent;
  transition: color 0.2s;
}
.mainnav__link:hover { color: var(--primary); }
.mainnav__link.is-active { color: var(--secondary); border-bottom-color: var(--secondary); }
@media (min-width: 880px) { .mainnav { display: flex; } }

.topbar__actions { display: flex; align-items: center; gap: 1.2rem; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 1.3rem; font-weight: 600; color: var(--primary-fixed-dim);
  padding: 0.8rem 1.2rem; border-radius: var(--r); border: 1px solid rgba(175,200,240,0.2);
  transition: background 0.2s, transform 0.1s;
}
.lang-toggle:hover { background: rgba(255,255,255,0.05); }
.lang-toggle:active { transform: scale(0.96); }

.nav-burger { display: inline-flex; color: var(--on-surface); padding: 0.4rem; }
@media (min-width: 880px) { .nav-burger { display: none; } }

.mobilenav { display: none; flex-direction: column; gap: 0.4rem; padding: 1.2rem var(--margin-mobile) 2rem; border-bottom: 1px solid var(--glass-border); background: var(--surface-container); }
.mobilenav:not([hidden]) { display: flex; }
.mobilenav__link { padding: 1.2rem; border-radius: var(--r); font-weight: 600; color: var(--on-surface-variant); }
.mobilenav__link.is-active, .mobilenav__link:hover { background: rgba(255,255,255,0.05); color: var(--primary); }
@media (min-width: 880px) { .mobilenav { display: none !important; } }

/* ---- Ajustes de la barra superior en móvil ------------------------------- */
@media (max-width: 600px) {
  .topbar__inner { height: 6.4rem; }
  .brand__name { font-size: 2rem; }
  .brand__icon { width: 2.4rem; height: 2.4rem; }
  .topbar__actions { gap: 0.8rem; }
  .topbar__actions .btn span { display: none; }  /* botón cuenta/conexión: solo icono */
  .topbar__actions .btn { padding: 0.8rem; }
  .lang-toggle { padding: 0.6rem 1rem; }
}

/* ---- Marquesina ---------------------------------------------------------- */
.marquee {
  position: relative; z-index: 40; overflow: hidden;
  background: rgba(0, 31, 63, 0.5); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.05); padding: 1rem 0;
}
.marquee__track { display: flex; width: max-content; gap: 0; animation: marquee 30s linear infinite; }
.marquee__item {
  display: inline-flex; align-items: center; gap: 0.8rem; padding: 0 3.2rem;
  font-size: 1.4rem; font-weight: 600; letter-spacing: 0.05em; color: var(--on-primary-container);
  white-space: nowrap;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---- Layout principal ---------------------------------------------------- */
main { position: relative; z-index: 10; }
.section { padding-block: 8rem; }
.section--tight { padding-block: 4rem; }

/* ---- Tipografía display -------------------------------------------------- */
.eyebrow { font-size: 1.4rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--secondary); }
.display { font-size: 4rem; font-weight: 800; letter-spacing: -0.02em; }
@media (min-width: 768px) { .display { font-size: 6.4rem; line-height: 1.05; } }
.h-xl { font-size: 3.6rem; font-weight: 700; letter-spacing: -0.02em; }
@media (min-width: 768px) { .h-xl { font-size: 4.8rem; } }
.h-lg { font-size: 2.8rem; font-weight: 700; letter-spacing: -0.01em; }
@media (min-width: 768px) { .h-lg { font-size: 3.2rem; } }
.h-md { font-size: 2.2rem; font-weight: 600; }
.lead { font-size: 1.8rem; color: var(--on-surface-variant); }
.text-gradient-warm { background: linear-gradient(135deg, #ffb787 0%, #ea7600 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.text-gradient-cool { background: linear-gradient(135deg, #afc8f0 0%, #ffb787 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

/* ---- Botones ------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.8rem;
  font-weight: 700; font-size: 1.5rem; padding: 1.4rem 2.4rem; border-radius: var(--r-md);
  transition: transform 0.15s, background 0.2s, border-color 0.2s; white-space: nowrap;
}
.btn:active { transform: scale(0.96); }
.btn--sm { padding: 0.8rem 1.4rem; font-size: 1.3rem; }
.btn--primary { background: var(--secondary-container); color: var(--on-secondary-fixed); box-shadow: var(--shadow-warm); }
.btn--primary:hover { transform: translateY(-2px) scale(1.02); }
.btn--secondary { background: linear-gradient(90deg, var(--secondary), var(--secondary-container)); color: var(--on-secondary-fixed); box-shadow: var(--shadow-warm); }
.btn--ghost { background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border); color: var(--on-surface); }
.btn--ghost:hover { background: rgba(255,255,255,0.10); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

/* ---- Chips / tags -------------------------------------------------------- */
.chip { display: inline-flex; align-items: center; gap: 0.6rem; font-size: 1.3rem; font-weight: 600; padding: 0.6rem 1.4rem; border-radius: var(--r-full); }
.chip--primary { background: rgba(175,200,240,0.15); color: var(--primary); border: 1px solid rgba(175,200,240,0.2); }
.chip--secondary { background: rgba(234,118,0,0.2); color: var(--secondary); border: 1px solid rgba(255,183,135,0.3); }
.chip--ghost { background: var(--surface-container-high); color: var(--on-surface-variant); border: 1px solid var(--glass-border); }
.status-dot { width: 0.8rem; height: 0.8rem; border-radius: var(--r-full); background: var(--secondary); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ---- Hero (inicio) ------------------------------------------------------- */
.hero { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 2rem; padding-block: 3.2rem 4rem; min-height: auto; justify-content: center; }
/* Acerca la sección de proyectos al hero */
.hero + .section { padding-top: 2.4rem; }
.hero__badge { display: inline-flex; align-items: center; gap: 0.8rem; padding: 0.6rem 1.6rem; border-radius: var(--r-full); background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border); font-size: 1.4rem; font-weight: 600; color: var(--on-surface-variant); }
.hero__subtitle { max-width: 64rem; }
.hero__actions { display: flex; flex-direction: column; gap: 1.6rem; }
@media (min-width: 600px) { .hero__actions { flex-direction: row; } }

/* ---- Cabecera de sección ------------------------------------------------- */
.section-head { display: flex; flex-direction: column; gap: 1.6rem; margin-bottom: 4.8rem; }
@media (min-width: 768px) { .section-head--row { flex-direction: row; justify-content: space-between; align-items: flex-end; } }
.section-head__icon { width: 4.8rem; height: 4.8rem; border-radius: var(--r-md); display: inline-flex; align-items: center; justify-content: center; }
.section-head__icon--primary { background: var(--primary-container); color: var(--primary); }
.section-head__icon--secondary { background: rgba(234,118,0,0.2); color: var(--secondary); }
.section-head__row { display: flex; align-items: center; gap: 1.6rem; }
.accent-bar { height: 0.4rem; width: 9.6rem; background: var(--secondary); border-radius: var(--r-full); }

/* ---- Rejillas ------------------------------------------------------------ */
.grid { display: grid; gap: var(--gutter); }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }

/* ---- Card de proyecto ---------------------------------------------------- */
.glass-card { border-radius: var(--r-lg); overflow: hidden; transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), border-color 0.3s; }
.glass-card:hover { transform: translateY(-4px); border-color: rgba(255,133,27,0.4); }
.pcard { display: flex; flex-direction: column; height: 100%; }
.pcard__media { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.pcard__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.pcard:hover .pcard__img { transform: scale(1.1); }
.pcard__placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, var(--primary-container), var(--surface-container-high) 60%, var(--secondary-container)); display: flex; align-items: center; justify-content: center; color: rgba(218,226,253,0.4); }
.pcard__placeholder .icon { width: 6rem; height: 6rem; }
.pcard__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, var(--surface), transparent); opacity: 0.6; }
.pcard__tag { position: absolute; top: 1.6rem; right: 1.6rem; z-index: 2; }
.pcard__body { padding: 1.6rem; display: flex; flex-direction: column; flex-grow: 1; }
.pcard__title { font-size: 2.2rem; margin-bottom: 0.8rem; }
.pcard__desc { color: var(--on-surface-variant); margin-bottom: 1.6rem; }
.pcard__foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.pcard__tech { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.tech-pill { display: inline-flex; align-items: center; justify-content: center; width: 2.8rem; height: 2.8rem; border-radius: var(--r-sm); background: rgba(175,200,240,0.1); color: var(--primary); }
.tech-pill .icon { width: 1.6rem; height: 1.6rem; }
.link-arrow { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--secondary); font-weight: 600; font-size: 1.4rem; }
.link-arrow:hover { text-decoration: underline; }
.carousel-btns { display: flex; gap: 0.8rem; }
.icon-btn { width: 4rem; height: 4rem; border-radius: var(--r-full); display: inline-flex; align-items: center; justify-content: center; }
.icon-btn:hover { background: rgba(255,255,255,0.1); }

/* ---- Card de servicio ---------------------------------------------------- */
.scard { padding: 3.2rem; border-radius: var(--r-lg); display: flex; flex-direction: column; height: 100%; }
.scard__icon { width: 4rem; height: 4rem; margin-bottom: 2.4rem; }
.scard__icon--primary { color: var(--primary); }
.scard__icon--secondary { color: var(--secondary); }
.scard__icon--tertiary { color: var(--tertiary); }
.scard__title { font-size: 2.2rem; margin-bottom: 1.6rem; }
.scard__desc { color: var(--on-surface-variant); flex-grow: 1; }
.scard__features { margin-top: 2.4rem; display: flex; flex-direction: column; gap: 1.2rem; }
.scard__feature { display: flex; align-items: center; gap: 0.8rem; font-size: 1.4rem; font-weight: 600; }

/* ---- Bento productos ----------------------------------------------------- */
.bento { display: grid; gap: var(--gutter); grid-template-columns: 1fr; }
@media (min-width: 880px) { .bento { grid-template-columns: repeat(4, 1fr); } }
.bento__feature { grid-column: span 1; position: relative; border-radius: var(--r-xl); overflow: hidden; min-height: 32rem; display: flex; align-items: flex-end; }
@media (min-width: 880px) { .bento__feature { grid-column: span 2; } }
.bento__feature-bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--primary-container), var(--surface-container-high)); }
.bento__feature-bg img { width: 100%; height: 100%; object-fit: cover; }
.bento__feature::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, var(--surface), transparent); opacity: 0.7; }
.bento__feature-body { position: relative; z-index: 2; padding: 3.2rem; }
.prodcard { border-radius: var(--r-xl); padding: 2.4rem; display: flex; flex-direction: column; }
.prodcard__thumb { background: var(--surface-container); border-radius: var(--r-md); height: 19rem; margin-bottom: 2.4rem; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.05); overflow: hidden; color: var(--on-surface-variant); }
.prodcard__thumb img { object-fit: contain; width: 75%; height: 100%; }
.prodcard__thumb .icon { width: 5rem; height: 5rem; opacity: 0.5; }
.prodcard__title { font-size: 2.2rem; margin-bottom: 0.8rem; }
.prodcard__foot { margin-top: auto; padding-top: 1.6rem; border-top: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center; }
.price { color: var(--primary); font-weight: 700; }

/* ---- Catálogo destacado -------------------------------------------------- */
.catalog { border-radius: var(--r-xl); padding: 3.2rem; }
@media (min-width: 768px) { .catalog { padding: 4.8rem; } }
.catalog__grid { display: grid; gap: 4rem; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 768px) { .catalog__grid { grid-template-columns: 1fr 1fr; } }
.catalog__badges { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 2.4rem; }
.catalog__img { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--glass-border); position: relative; min-height: 28rem; background: linear-gradient(135deg, var(--secondary-container), var(--surface-container-high)); }
.catalog__img img { width: 100%; height: 32rem; object-fit: cover; }
.catalog__stock { position: absolute; top: 1.6rem; right: 1.6rem; background: var(--secondary); color: var(--on-secondary); padding: 0.8rem 1.6rem; border-radius: var(--r); font-weight: 700; }

/* ---- Timeline ------------------------------------------------------------ */
.timeline { position: relative; }
.timeline__line { position: absolute; left: 1.6rem; top: 0; width: 2px; height: 100%; background: linear-gradient(to bottom, transparent, var(--primary), var(--secondary-container), transparent); opacity: 0.5; }
.timeline__item { position: relative; display: flex; flex-direction: column; margin-bottom: 6.4rem; padding-left: 5.6rem; }
.timeline__dot { position: absolute; left: 0; top: 0; width: 3.2rem; height: 3.2rem; border-radius: var(--r-full); background: var(--surface); display: flex; align-items: center; justify-content: center; z-index: 2; border: 4px solid var(--primary); }
.timeline__dot--secondary { border-color: var(--secondary); box-shadow: 0 0.4rem 1.5rem rgba(255,133,27,0.2); }
.timeline__dot--primary { border-color: var(--primary); }
.timeline__dot--outline { border-color: var(--outline); }
.timeline__dot .icon { width: 1.6rem; height: 1.6rem; }
.timeline__period { font-weight: 700; color: var(--secondary); }
.timeline__title { font-size: 2.2rem; color: var(--primary); margin: 0.4rem 0 0.8rem; }
.timeline__img {
  display: block; margin-top: 1.6rem; max-width: 24rem;
  border-radius: var(--r); overflow: hidden; border: 1px solid var(--glass-border);
}
.timeline__img img { width: 100%; height: auto; max-height: 16rem; object-fit: cover; display: block; transition: transform 0.3s; }
.timeline__img:hover img { transform: scale(1.04); }
@media (min-width: 880px) {
  .timeline__line { left: 50%; transform: translateX(-50%); }
  .timeline__item { flex-direction: row; align-items: center; justify-content: space-between; padding-left: 0; }
  .timeline__dot { left: 50%; transform: translateX(-50%); }
  .timeline__content { width: 42%; }
  .timeline__item--left .timeline__content { text-align: right; margin-right: auto; }
  .timeline__item--right .timeline__content { margin-left: auto; }
  /* La imagen se alinea con el lado del contenido. */
  .timeline__item--left .timeline__img { margin-left: auto; }
  .timeline__item--right .timeline__img { margin-right: auto; }
}

/* ---- Certificaciones + tecnologías -------------------------------------- */
.cert { padding: 1.6rem; border-radius: var(--r-md); display: flex; align-items: flex-start; gap: 1.6rem; }
.cert__icon { padding: 1.2rem; border-radius: var(--r); display: inline-flex; }
.cert__body { flex: 1 1 auto; min-width: 0; }
.cert__diploma {
  flex: none; align-self: center; display: block; width: 6.4rem; height: 6.4rem;
  border-radius: var(--r); overflow: hidden; border: 1px solid var(--glass-border);
}
.cert__diploma img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.3s; }
.cert__diploma:hover img { transform: scale(1.06); }
.cert__icon--primary { background: rgba(175,200,240,0.1); color: var(--primary); }
.cert__icon--secondary { background: rgba(255,183,135,0.1); color: var(--secondary); }
.cert__icon--tertiary { background: rgba(167,200,255,0.1); color: var(--tertiary); }
.cert__title { font-size: 2rem; margin-bottom: 0.4rem; }
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
@media (min-width: 600px) { .tech-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .tech-grid { grid-template-columns: repeat(6, 1fr); } }
.tech-item { padding: 2rem 1.6rem; border-radius: var(--r-md); display: flex; flex-direction: column; align-items: center; gap: 1.2rem; text-align: center; transition: transform 0.3s; }
.tech-item:hover { transform: translateY(-4px); }
.tech-item .icon { width: 3.6rem; height: 3.6rem; color: var(--primary); transition: color 0.2s, transform 0.2s; }
.tech-item:hover .icon { color: var(--secondary); transform: scale(1.1); }
.tech-item span { font-size: 1.4rem; font-weight: 600; color: var(--on-surface-variant); }

/* ---- CTA ----------------------------------------------------------------- */
.cta { border-radius: var(--r-xl); padding: 4rem 2.4rem; text-align: center; position: relative; overflow: hidden; }
@media (min-width: 768px) { .cta { padding: 8rem; } }
.cta__bar { position: absolute; top: 0; left: 0; width: 100%; height: 0.4rem; background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.cta__form { display: inline-flex; padding: 0.6rem; background: rgba(255,255,255,0.05); border-radius: var(--r-lg); border: 1px solid var(--glass-border); margin-top: 1.6rem; max-width: 100%; }

/* ---- Formularios --------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: 0.8rem; margin-bottom: 2rem; text-align: left; }
.field label { font-size: 1.4rem; font-weight: 600; color: var(--on-surface-variant); }
.input, .textarea, .select {
  width: 100%; font-family: inherit; font-size: 1.6rem; color: var(--on-surface);
  background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border); border-radius: var(--r);
  padding: 1.4rem 1.6rem; transition: border-color 0.2s, box-shadow 0.2s;
}
.input::placeholder, .textarea::placeholder { color: rgba(196,198,207,0.5); }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(255,183,135,0.15); }
.textarea { resize: vertical; min-height: 12rem; }
.cta__form .input { border: none; background: transparent; min-width: 22rem; }
.cta__form .input:focus { box-shadow: none; }
.field-error { color: var(--error); font-size: 1.3rem; }
.form-card { max-width: 52rem; margin-inline: auto; padding: 3.2rem; border-radius: var(--r-lg); }
.form-card__title { font-size: 2.4rem; margin-bottom: 1.2rem; color: var(--primary); }

/* ---- Mostrar / ocultar contraseña (botón de ojo) ----------------------- */
.pass-wrap { position: relative; display: block; }
.pass-wrap .input { padding-right: 4.8rem; }
.pass-toggle {
  position: absolute; top: 0; right: 0; height: 100%; width: 4.4rem;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0; background: none; border: none; cursor: pointer;
  color: var(--on-surface-variant); transition: color 0.2s;
}
.pass-toggle:hover, .pass-toggle:focus-visible { color: var(--primary); outline: none; }

/* ---- Flash / toasts / modal --------------------------------------------- */
.flash { max-width: var(--container-max); margin: 1.6rem auto; padding: 1.4rem 2rem; border-radius: var(--r); font-weight: 600; }
.flash--success { background: rgba(110,200,150,0.12); color: #9be8bd; border: 1px solid rgba(110,200,150,0.3); }
.flash--error { background: rgba(255,180,171,0.12); color: var(--error); border: 1px solid rgba(255,180,171,0.3); }

.toast-stack { position: fixed; bottom: 2.4rem; right: 2.4rem; z-index: 200; display: flex; flex-direction: column; gap: 1.2rem; max-width: 36rem; }
.toast { padding: 1.6rem 2rem; border-radius: var(--r); font-weight: 600; box-shadow: var(--shadow-depth); animation: toast-in 0.3s ease; display: flex; align-items: center; gap: 1rem; }
.toast--success { background: var(--surface-container-high); color: #9be8bd; border-left: 4px solid #6ec896; }
.toast--error { background: var(--surface-container-high); color: var(--error); border-left: 4px solid var(--error); }
.toast--info { background: var(--surface-container-high); color: var(--primary); border-left: 4px solid var(--primary); }
@keyframes toast-in { from { transform: translateX(2rem); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

.modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 2rem; }
.modal[hidden] { display: none; }
.modal__overlay { position: absolute; inset: 0; background: rgba(6,14,32,0.7); backdrop-filter: blur(4px); }
.modal__dialog { position: relative; z-index: 2; width: 100%; max-width: 48rem; background: var(--surface-container); border: 1px solid var(--glass-border); border-top: 0.5px solid var(--glass-top); border-radius: var(--r-lg); padding: 3.2rem; box-shadow: 0 1rem 3rem rgba(0,31,63,0.5); }
.modal__close { position: absolute; top: 1.6rem; right: 1.6rem; color: var(--on-surface-variant); }
.modal__title { font-size: 2.4rem; margin-bottom: 1.6rem; color: var(--primary); }

/* ---- Auth / cliente / admin layout -------------------------------------- */
.auth-wrap { min-height: calc(100vh - 8rem); display: flex; align-items: center; justify-content: center; padding: 4rem var(--margin-mobile); }
.tabs { display: flex; gap: 0.8rem; margin-bottom: 2.4rem; }
.tab { flex: 1; padding: 1.2rem; border-radius: var(--r); font-weight: 600; color: var(--on-surface-variant); background: rgba(255,255,255,0.03); }
.tab.is-active { background: var(--secondary-container); color: var(--on-secondary-fixed); }

.datatable { width: 100%; border-collapse: collapse; font-size: 1.4rem; }
.datatable th, .datatable td { text-align: left; padding: 1.2rem 1.6rem; border-bottom: 1px solid var(--glass-border); }
.datatable th { color: var(--on-surface-variant); font-weight: 600; font-size: 1.3rem; text-transform: uppercase; letter-spacing: 0.05em; }
.datatable tr:hover td { background: rgba(255,255,255,0.02); }
.badge { display: inline-block; padding: 0.4rem 1rem; border-radius: var(--r-full); font-size: 1.2rem; font-weight: 700; }
.badge--new { background: rgba(255,183,135,0.2); color: var(--secondary); }
.badge--done { background: rgba(110,200,150,0.15); color: #9be8bd; }

/* ---- Admin shell --------------------------------------------------------- */
.admin { display: grid; grid-template-columns: 1fr; min-height: 100vh; }
@media (min-width: 880px) { .admin { grid-template-columns: 26rem 1fr; } }
.admin__side { background: var(--surface-container-lowest); border-right: 1px solid var(--glass-border); padding: 2.4rem; }
.admin__nav { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 2.4rem; }
.admin__link { display: flex; align-items: center; gap: 1.2rem; padding: 1.2rem 1.6rem; border-radius: var(--r); color: var(--on-surface-variant); font-weight: 600; font-size: 1.4rem; }
.admin__link:hover, .admin__link.is-active { background: rgba(255,255,255,0.05); color: var(--primary); }
.admin__main { padding: 3.2rem; }
.admin__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 3.2rem; flex-wrap: wrap; gap: 1.6rem; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); gap: var(--gutter); margin-bottom: 3.2rem; }
.stat { padding: 2.4rem; border-radius: var(--r-md); }
.stat__num { font-family: var(--font-head); font-size: 3.6rem; font-weight: 800; color: var(--primary); }
.stat__label { color: var(--on-surface-variant); font-size: 1.4rem; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1.6rem; margin-bottom: 2rem; flex-wrap: wrap; }
.card-pad { padding: 2.4rem; border-radius: var(--r-md); }
.row-gap { display: flex; flex-direction: column; gap: 1.6rem; }

.site-footer { position: relative; z-index: 10; background: var(--surface-container-lowest); border-top: 1px solid rgba(255,255,255,0.05); margin-top: 8rem; padding-block: 4rem; }
.site-footer__grid { display: grid; grid-template-columns: 1fr; gap: var(--gutter); }
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: repeat(3, 1fr); } }
.site-footer__col { display: flex; flex-direction: column; gap: 1.2rem; }
.site-footer__title { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--tertiary); }
.site-footer__nav { display: flex; flex-direction: column; gap: 0.8rem; }
.site-footer__nav a { color: var(--outline); font-size: 1.4rem; }
.site-footer__nav a:hover { color: var(--on-surface); text-decoration: underline; text-underline-offset: 4px; }
.site-footer__social { display: flex; gap: 1.6rem; margin-top: 0.8rem; }
.site-footer__social a { color: var(--outline); }
.site-footer__social a:hover { color: var(--secondary); }

/* ---- Animación de aparición --------------------------------------------- */
.reveal { opacity: 0; transform: translateY(2rem); transition: opacity 0.7s, transform 0.7s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

.glow-pulse { animation: glowpulse 4s infinite ease-in-out; }
@keyframes glowpulse { 0%,100% { opacity: 0.3; } 50% { opacity: 0.6; } }