/* =============================================================
   EDUCAMP — Editorial / Premium redesign
   Vanilla CSS3 · Design system con custom properties
   Metodología BEM · Mobile-first · WCAG AA
   -------------------------------------------------------------
   Índice
   00 · Design tokens (light / dark)
   01 · Reset & base
   02 · Tipografía
   03 · Layout utils
   04 · Cursor personalizado
   05 · Preloader
   06 · Botones
   07 · Header / Nav / Overlay / Theme toggle
   08 · Hero
   09 · Marquee
   10 · Manifiesto
   11 · Worklist (servicios editorial)
   12 · Split sections
   13 · Stats
   14 · Cards grid
   15 · Feature list (numerada)
   16 · Check list
   17 · Visual box
   18 · CTA banner
   19 · Contacto
   20 · Footer
   21 · Reveal / animaciones
   22 · Responsive
   23 · Reduced motion / accesibilidad
   ============================================================= */

/* =============================================================
   00 · DESIGN TOKENS
   ============================================================= */
:root {
    color-scheme: light dark;

    /* ---- Colores de marca Google (variantes accesibles para UI) ---- */
    --g-blue: #1a73e8;
    --g-red: #ea4335;
    --g-yellow: #f9ab00;
    /* amarillo oscurecido para contraste sobre blanco */
    --g-green: #1e8e3e;

    /* Neutros (grises Google) — tema claro */
    --bg: #ffffff;
    /* página */
    --bg-elev: #ffffff;
    /* tarjetas / superficies elevadas */
    --surface-alt: #f8f9fa;
    /* Grey 50 — secciones alternas y rellenos */
    --fg: #202124;
    /* Grey 900 — texto principal */
    --fg-soft: #3c4043;
    /* Grey 800 */
    --muted: #5f6368;
    /* Grey 700 — texto secundario */
    --line: #dadce0;
    /* Grey 300 — bordes */
    --line-strong: #bdc1c6;
    /* Grey 400 */

    /* Acento = azul Google */
    --accent: var(--g-blue);
    --accent-fg: #ffffff;
    --accent-hover: #1b66c9;
    --accent-soft: #e8f0fe;
    /* azul 50 (state layer / tonal) */
    --selection: rgba(26, 115, 232, .18);

    /* Elevación Material (sombras suaves con Grey 60/64/67) */
    --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 1px 3px 1px rgba(60, 64, 67, .15);
    --shadow: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 2px 6px 2px rgba(60, 64, 67, .15);

    /* Radios (Material 3) */
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 28px;
    --r-full: 999px;

    /* Tipografía fluida (escala serena, estilo Google) */
    --fs-mega: clamp(2.75rem, 7vw, 5.5rem);
    --fs-h1: clamp(2.25rem, 5vw, 3.75rem);
    --fs-h2: clamp(1.75rem, 3.6vw, 2.75rem);
    --fs-h3: clamp(1.3rem, 2.2vw, 1.75rem);
    --fs-lead: clamp(1.1rem, 1.5vw, 1.375rem);
    --fs-body: clamp(1rem, 1.05vw, 1.0625rem);
    --fs-sm: .875rem;
    --fs-eyebrow: .8rem;

    /* Espaciado fluido */
    --space-section: clamp(4.5rem, 10vw, 9rem);
    --container: 1240px;
    --pad-x: clamp(1.25rem, 5vw, 3rem);

    /* Motion — curva estándar de Material */
    --ease: cubic-bezier(.2, 0, 0, 1);
    --ease-out: cubic-bezier(.05, .7, .1, 1);
    --ease-inout: cubic-bezier(.4, 0, .2, 1);
    --t-fast: .2s var(--ease);
    --t: .35s var(--ease);
    --t-slow: .6s var(--ease);

    /* Fuentes — Poppins emula Google Sans; Roboto para lectura */
    --font-display: 'Poppins', 'Google Sans', system-ui, sans-serif;
    --font-body: 'Roboto', system-ui, -apple-system, sans-serif;

    --header-h: 72px;
}

[data-theme="dark"] {
    /* Colores de marca Google — variantes para modo oscuro (AA sobre oscuro) */
    --g-blue: #8ab4f8;
    --g-red: #f28b82;
    --g-yellow: #fdd663;
    --g-green: #81c995;

    /* Superficies Material dark */
    --bg: #131314;
    --bg-elev: #1e1f20;
    --surface-alt: #282a2c;
    --fg: #e8eaed;
    --fg-soft: #c4c7c5;
    --muted: #9aa0a6;
    --line: #444746;
    --line-strong: #5f6368;

    --accent: var(--g-blue);
    --accent-fg: #062e6f;
    /* azul muy oscuro: texto sobre azul claro */
    --accent-hover: #aecbfa;
    --accent-soft: rgba(138, 180, 248, .16);
    --selection: rgba(138, 180, 248, .28);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .30), 0 1px 3px 1px rgba(0, 0, 0, .15);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, .40), 0 4px 8px 3px rgba(0, 0, 0, .25);
}

/* =============================================================
   01 · RESET & BASE
   ============================================================= */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    color: var(--fg);
    background-color: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color .6s var(--ease), color .6s var(--ease);
}

/* Oculta el estado inicial de las animaciones solo si hay JS */
html.js body {
    /* placeholder para asegurar carga */
}

::selection {
    background: var(--selection);
    color: var(--fg);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--t-fast);
}

ul {
    list-style: none;
}

img,
svg {
    display: block;
    max-width: 100%;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

input,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* Focus visible accesible (WCAG) */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 3px;
}

/* Oculta el cursor nativo solo cuando el custom está activo y hay puntero fino */
@media (hover: hover) and (pointer: fine) {
    html.cursor-on * {
        cursor: none !important;
    }
}

/* =============================================================
   02 · TIPOGRAFÍA
   ============================================================= */
h1,
h2,
h3,
h4,
h5 {
    font-family: var(--font-display);
    color: var(--fg);
    line-height: 1;
    font-weight: 600;
    letter-spacing: -.02em;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    font-family: var(--font-display);
    font-size: var(--fs-eyebrow);
    font-weight: 600;
    letter-spacing: .01em;
    color: var(--accent);
}

.eyebrow::before {
    content: "";
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: currentColor;
    opacity: 1;
    flex-shrink: 0;
}

.accent {
    color: var(--accent);
}

.serif-italic {
    font-style: italic;
}

/* =============================================================
   03 · LAYOUT UTILS
   ============================================================= */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--pad-x);
}

.section {
    padding-block: var(--space-section);
    position: relative;
}

.section--tight {
    padding-block: clamp(3rem, 7vw, 6rem);
}

.bg-elev {
    background: var(--surface-alt);
}

.section__head {
    max-width: 62ch;
    margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section__title {
    font-size: var(--fs-h2);
    margin-top: 1.25rem;
}

.section__intro {
    font-size: var(--fs-lead);
    color: var(--muted);
    margin-top: 1.5rem;
    max-width: 55ch;
    line-height: 1.4;
}

.divider {
    height: 1px;
    background: var(--line);
    border: 0;
}

.mt-4 {
    margin-top: 2rem;
}

/* =============================================================
   04 · CURSOR PERSONALIZADO
   ============================================================= */
.cursor {
    /* Desactivado en el branding Google (interfaz limpia, cursor nativo) */
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    pointer-events: none;
    border-radius: 50%;
    transform: translate3d(-50%, -50%, 0);
    will-change: transform;
    mix-blend-mode: difference;
}

.cursor--dot {
    width: 7px;
    height: 7px;
    background: #fff;
}

.cursor--ring {
    width: 42px;
    height: 42px;
    border: 1px solid #fff;
    transition: width .3s var(--ease), height .3s var(--ease),
        background-color .3s var(--ease), opacity .3s var(--ease);
}

.cursor--ring.is-hover {
    width: 74px;
    height: 74px;
    background: rgba(255, 255, 255, .12);
}

.cursor--ring.is-hover::after {
    content: attr(data-label);
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: #fff;
    mix-blend-mode: difference;
}

.cursor.is-down .cursor--ring {
    width: 30px;
    height: 30px;
}

@media (hover: none),
(pointer: coarse) {
    .cursor {
        display: none;
    }
}

/* =============================================================
   05 · PRELOADER
   ============================================================= */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9000;
    background: var(--bg);
    display: grid;
    place-items: center;
    transition: transform 1s var(--ease-inout);
}

.preloader.is-done {
    transform: translateY(-101%);
}

.preloader__inner {
    text-align: center;
    overflow: hidden;
}

.preloader__word {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.5rem, 9vw, 6rem);
    letter-spacing: -.03em;
    line-height: 1;
    color: var(--fg);
}

.preloader__count {
    display: block;
    margin-top: 1rem;
    font-family: var(--font-body);
    font-variant-numeric: tabular-nums;
    font-size: var(--fs-sm);
    letter-spacing: .1em;
    color: var(--muted);
}

.preloader__bar {
    margin: 1.25rem auto 0;
    width: min(240px, 60vw);
    height: 2px;
    background: var(--line);
    overflow: hidden;
}

.preloader__bar span {
    display: block;
    height: 100%;
    width: 0%;
    background: var(--accent);
}

html.is-loading {
    overflow: hidden;
}

/* =============================================================
   06 · BOTONES
   ============================================================= */
/* Botón primario (filled) — estilo Material 3 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    padding: .8rem 1.6rem;
    font-family: var(--font-display);
    font-size: .95rem;
    font-weight: 600;
    letter-spacing: .01em;
    color: var(--accent-fg);
    background: var(--accent);
    border: 1px solid transparent;
    border-radius: var(--r-full);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: background-color var(--t-fast), box-shadow var(--t-fast),
        transform var(--t-fast), color var(--t-fast), border-color var(--t-fast);
    will-change: transform;
}

.btn:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow);
}

.btn:active {
    transform: scale(.98);
    box-shadow: var(--shadow-sm);
}

.btn__arrow {
    transition: transform var(--t);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

/* Contorno (outlined) */
.btn--outline {
    color: var(--accent);
    background: transparent;
    border-color: var(--line-strong);
    box-shadow: none;
}

.btn--outline:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
    box-shadow: none;
    color: var(--accent);
}

/* Acento = mismo primario relleno (prominente para envíos/CTA de formulario) */
.btn--accent {
    color: var(--accent-fg);
    background: var(--accent);
}

.btn--accent:hover {
    background: var(--accent-hover);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

.btn--lg {
    padding: 1.15rem 2.1rem;
    font-size: 1rem;
}

/* =============================================================
   07 · HEADER / NAV
   ============================================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: transform .5s var(--ease), background-color .4s var(--ease),
        backdrop-filter .4s var(--ease), border-color .4s var(--ease);
    border-bottom: 1px solid transparent;
}

.header.is-scrolled {
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(14px) saturate(1.4);
    -webkit-backdrop-filter: blur(14px) saturate(1.4);
    border-bottom-color: var(--line);
}

.header.is-hidden {
    transform: translateY(-100%);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 1.5rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    z-index: 1100;
}

.logo__image {
    height: 34px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 2.25rem);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 2.25rem);
}

.nav__link {
    position: relative;
    font-size: .95rem;
    font-weight: 500;
    color: var(--fg-soft);
    padding-block: .4rem;
}

.nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .4s var(--ease);
}

.nav__link:hover,
.nav__link.active {
    color: var(--fg);
}

.nav__link:hover::after,
.nav__link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__item--dropdown {
    position: relative;
}

.nav__submenu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 240px;
    padding: .6rem;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}

.nav__item--dropdown:hover .nav__submenu,
.nav__item--dropdown:focus-within .nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__submenu li a {
    display: flex;
    flex-direction: column;
    gap: .15rem;
    padding: .75rem .9rem;
    border-radius: var(--r-sm);
    font-size: .95rem;
    font-weight: 500;
    transition: background-color var(--t-fast), color var(--t-fast);
}

.nav__submenu li a small {
    font-size: .78rem;
    color: var(--muted);
    font-weight: 400;
}

.nav__submenu li a:hover {
    background: var(--accent-soft);
    color: var(--accent);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: .6rem;
}

/* Theme toggle */
.theme-toggle {
    position: relative;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: var(--r-full);
    color: var(--fg);
    transition: border-color var(--t-fast), background-color var(--t-fast), transform var(--t-fast);
}

.theme-toggle:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    position: absolute;
    transition: opacity .35s var(--ease), transform .45s var(--ease);
}

.theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(.4);
}

.theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="dark"] .theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="dark"] .theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(.4);
}

/* Hamburger */
.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    position: relative;
    z-index: 1100;
    border: 1px solid var(--line-strong);
    border-radius: var(--r-full);
}

.menu-toggle span {
    position: absolute;
    left: 50%;
    width: 18px;
    height: 1.5px;
    background: var(--fg);
    transform: translateX(-50%);
    transition: transform .4s var(--ease), opacity .3s var(--ease);
}

.menu-toggle span:nth-child(1) {
    top: 18px;
}

.menu-toggle span:nth-child(2) {
    top: 24px;
}

.menu-toggle span:nth-child(3) {
    top: 30px;
}

.menu-toggle.is-open span:nth-child(1) {
    top: 23px;
    transform: translateX(-50%) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
    top: 23px;
    transform: translateX(-50%) rotate(-45deg);
}

/* Overlay menu (móvil) */
.overlay-menu {
    position: fixed;
    inset: 0;
    z-index: 1050;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--pad-x);
    clip-path: circle(0% at calc(100% - 44px) 44px);
    transition: clip-path .7s var(--ease-inout);
    pointer-events: none;
}

.overlay-menu.is-open {
    clip-path: circle(150% at calc(100% - 44px) 44px);
    pointer-events: auto;
}

.overlay-menu__list {
    display: flex;
    flex-direction: column;
    gap: .25rem;
}

.overlay-menu__list a {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 11vw, 4rem);
    font-weight: 500;
    letter-spacing: -.02em;
    line-height: 1.1;
    color: var(--fg);
    opacity: 0;
    transform: translateY(30px);
}

.overlay-menu.is-open .overlay-menu__list a {
    animation: menuIn .6s var(--ease) forwards;
}

.overlay-menu__sub {
    font-size: clamp(1.1rem, 5vw, 1.5rem) !important;
    color: var(--muted) !important;
    padding-left: 1.5rem;
}

.overlay-menu__foot {
    margin-top: clamp(2rem, 6vw, 4rem);
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--muted);
    font-size: .9rem;
}

.overlay-menu__foot a {
    color: var(--fg);
}

@keyframes menuIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =============================================================
   08 · HERO
   ============================================================= */
.hero {
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: calc(var(--header-h) + 2rem);
    padding-bottom: 3rem;
    position: relative;
}

.hero__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: clamp(1.5rem, 4vw, 3rem);
}

.hero__meta {
    font-size: var(--fs-sm);
    color: var(--muted);
    max-width: 34ch;
    text-align: right;
    margin-left: auto;
}

.hero__title {
    font-size: var(--fs-mega);
    font-weight: 600;
    letter-spacing: -.035em;
    text-transform: none;
}

.hero__title .line {
    display: block;
    overflow: hidden;
}

.hero__title .line__i {
    display: block;
    transition: transform 1s var(--ease);
}

/* El estado oculto solo se aplica con JS: sin JS el texto se ve siempre */
html.js .hero__title .line__i {
    transform: translateY(110%);
}

html.js .hero.is-in .hero__title .line__i {
    transform: translateY(0);
}

.hero__title .line:nth-child(2) .line__i {
    transition-delay: .08s;
}

.hero__title .line:nth-child(3) .line__i {
    transition-delay: .16s;
}

.hero__title em {
    font-style: normal;
    color: var(--accent);
}

.hero__bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: clamp(2rem, 5vw, 3.5rem);
}

.hero__subtitle {
    max-width: 46ch;
    font-size: var(--fs-lead);
    color: var(--fg-soft);
    line-height: 1.4;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .6rem;
    font-size: .72rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--muted);
}

.hero__scroll span {
    width: 1px;
    height: 40px;
    background: var(--line-strong);
    position: relative;
    overflow: hidden;
}

.hero__scroll span::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--accent);
    animation: scrollLine 2s var(--ease) infinite;
}

@keyframes scrollLine {

    0% {
        transform: translateY(-100%);
    }

    50%,
    100% {
        transform: translateY(100%);
    }
}

/* =============================================================
   09 · MARQUEE
   ============================================================= */
.marquee {
    border-block: 1px solid var(--line);
    padding-block: clamp(1rem, 2.5vw, 1.75rem);
    overflow: hidden;
    white-space: nowrap;
    display: flex;
}

.marquee__track {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    padding-right: 2.5rem;
    animation: marquee 30s linear infinite;
    will-change: transform;
}

.marquee:hover .marquee__track {
    animation-play-state: paused;
}

.marquee__item {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.5vw, 2.75rem);
    font-weight: 500;
    letter-spacing: -.02em;
    color: var(--fg);
    display: inline-flex;
    align-items: center;
    gap: 2.5rem;
}

.marquee__item::after {
    content: "✳";
    color: var(--accent);
    font-size: .6em;
}

@keyframes marquee {
    to {
        transform: translateX(-50%);
    }
}

/* =============================================================
   10 · MANIFIESTO
   ============================================================= */
.manifesto__text {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.75rem, 4.5vw, 3.75rem);
    line-height: 1.12;
    letter-spacing: -.02em;
    max-width: 22ch;
}

.manifesto__text .word {
    display: inline-block;
    overflow: hidden;
    vertical-align: top;
}

.manifesto__text .word__i {
    display: inline-block;
    transform: translateY(105%);
    transition: transform .8s var(--ease);
}

.manifesto__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
}

.manifesto__aside {
    color: var(--muted);
    max-width: 40ch;
    font-size: var(--fs-lead);
    line-height: 1.5;
}

/* =============================================================
   11 · WORKLIST (servicios editorial)
   ============================================================= */
.worklist {
    border-top: 1px solid var(--line);
}

.worklist__item {
    border-bottom: 1px solid var(--line);
}

.worklist__link {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: clamp(1rem, 4vw, 3rem);
    padding-block: clamp(1.25rem, 3vw, 2.25rem);
    padding-inline: clamp(.75rem, 2vw, 1.5rem);
    border-radius: var(--r-lg);
    transition: background-color var(--t);
}

.worklist__link:hover {
    background: var(--surface-alt);
}

.worklist__index {
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    transition: color var(--t);
}

/* Índices con los 4 colores de Google */
.worklist__item:nth-child(4n+1) .worklist__index {
    color: var(--g-blue);
}

.worklist__item:nth-child(4n+2) .worklist__index {
    color: var(--g-red);
}

.worklist__item:nth-child(4n+3) .worklist__index {
    color: var(--g-yellow);
}

.worklist__item:nth-child(4n+4) .worklist__index {
    color: var(--g-green);
}

.worklist__title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -.02em;
    line-height: 1.05;
    transition: transform var(--t), color var(--t);
}

.worklist__meta {
    grid-column: 2;
    color: var(--muted);
    font-size: var(--fs-body);
    margin-top: .5rem;
}

.worklist__arrow {
    width: clamp(44px, 5vw, 60px);
    height: clamp(44px, 5vw, 60px);
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--fg-soft);
    transition: transform var(--t), background-color var(--t), border-color var(--t), color var(--t);
}

.worklist__arrow svg {
    width: 40%;
    height: 40%;
}

.worklist__link:hover .worklist__title {
    color: var(--accent);
    transform: translateX(clamp(.35rem, 1.2vw, .9rem));
}

.worklist__link:hover .worklist__arrow {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-fg);
    transform: rotate(-45deg);
}

/* =============================================================
   12 · SPLIT SECTIONS
   ============================================================= */
.split {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: center;
}

.split__content .section__title {
    margin-top: 1rem;
}

.lead-text {
    font-size: var(--fs-lead);
    color: var(--fg-soft);
    line-height: 1.45;
    margin-top: 1.5rem;
    max-width: 48ch;
}

.split__content>p:not(.lead-text) {
    color: var(--muted);
    margin-top: 1.25rem;
    max-width: 52ch;
}

/* =============================================================
   13 · IMPACTO — rueda interactiva de pilares
   ============================================================= */
.impact {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
}

.impact__wheel {
    position: relative;
    width: min(260px, 60vw);
    margin-inline: auto;
}

.impact-wheel {
    width: 100%;
    height: auto;
    display: block;
}

.impact-wheel__track {
    fill: none;
    stroke: var(--line);
    stroke-width: 2;
}

.impact-wheel__arc {
    fill: none;
    stroke-width: 14;
    stroke-linecap: round;
    opacity: .3;
    transition: opacity var(--t), stroke-width var(--t);
}

.impact-wheel__arc[data-arc="tech"] {
    stroke: var(--g-blue);
}

.impact-wheel__arc[data-arc="ia"] {
    stroke: var(--g-red);
}

.impact-wheel__arc[data-arc="steam"] {
    stroke: var(--g-yellow);
}

.impact-wheel__arc[data-arc="robotica"] {
    stroke: var(--g-green);
}

.impact-wheel__arc.is-active {
    opacity: 1;
    stroke-width: 18;
}

.impact__wheel-center {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: var(--muted);
}

.impact__wheel-center svg {
    width: 34px;
    height: 34px;
}

.impact__tabs {
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
}

.impact__panel-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: var(--r-full);
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.impact__panel-icon svg {
    width: 24px;
    height: 24px;
}

.impact__panel h3 {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    margin-bottom: .75rem;
}

.impact__panel p {
    color: var(--muted);
    font-size: var(--fs-body);
    line-height: 1.6;
    max-width: 52ch;
}

/* =============================================================
   14 · CARDS GRID
   ============================================================= */
.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.25rem, 3vw, 1.75rem);
}

.card {
    position: relative;
    padding: clamp(1.75rem, 3vw, 2.5rem);
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}

.card:hover {
    transform: translateY(-3px);
    border-color: transparent;
    box-shadow: var(--shadow);
}

.card__icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: var(--r-full);
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 1.5rem;
    transition: transform var(--t);
}

/* Iconos con los 4 colores de Google (rotación cíclica) */
.card:nth-child(4n+1) .card__icon {
    color: var(--g-blue);
    background: color-mix(in srgb, var(--g-blue) 12%, transparent);
}

.card:nth-child(4n+2) .card__icon {
    color: var(--g-red);
    background: color-mix(in srgb, var(--g-red) 12%, transparent);
}

.card:nth-child(4n+3) .card__icon {
    color: var(--g-yellow);
    background: color-mix(in srgb, var(--g-yellow) 16%, transparent);
}

.card:nth-child(4n+4) .card__icon {
    color: var(--g-green);
    background: color-mix(in srgb, var(--g-green) 12%, transparent);
}

.card:hover .card__icon {
    transform: scale(1.04);
}

.card__icon svg {
    width: 26px;
    height: 26px;
}

.card__title {
    font-size: var(--fs-h3);
    margin-bottom: .85rem;
}

.card__desc {
    color: var(--muted);
    font-size: var(--fs-body);
    margin-bottom: 1.25rem;
}

.card__list {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    border-top: 1px solid var(--line);
    padding-top: 1.25rem;
}

.card__list li {
    position: relative;
    padding-left: 1.4rem;
    font-size: var(--fs-sm);
    color: var(--fg-soft);
}

.card__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .55em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
}

/* =============================================================
   15 · FEATURE LIST (numerada)
   ============================================================= */
.feature-list {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
}

.feature-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: baseline;
    padding-block: 1.5rem;
    border-top: 1px solid var(--line);
    transition: padding-left .4s var(--ease);
}

.feature-item:last-child {
    border-bottom: 1px solid var(--line);
}

.feature-item:hover {
    padding-left: .75rem;
}

.feature-item__num {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.feature-item__text {
    color: var(--muted);
    font-size: var(--fs-body);
}

.feature-item__text strong {
    color: var(--fg);
    font-weight: 600;
}

/* =============================================================
   16 · CHECK LIST
   ============================================================= */
.check-list {
    margin-top: 2rem;
    display: grid;
    gap: .9rem;
}

.check-list li {
    position: relative;
    padding-left: 2.25rem;
    color: var(--fg-soft);
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-soft);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23276A3A' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 13px;
}

/* En oscuro, el check usa el verde luminoso para mantener contraste */
[data-theme="dark"] .check-list li::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234FB06C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}

/* =============================================================
   17 · VISUAL BOX
   ============================================================= */
.visual-box {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: var(--r-lg);
    display: grid;
    place-items: center;
    overflow: hidden;
    background: var(--fg);
    color: var(--bg);
    isolation: isolate;
}

.visual-box::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(120% 90% at 18% 12%, #1a73e8 0%, transparent 55%),
        radial-gradient(120% 90% at 88% 88%, #1e8e3e 0%, transparent 55%);
    opacity: .95;
    animation: floatGrad 14s var(--ease-inout) infinite alternate;
}

.visual-box--green::before {
    background:
        radial-gradient(120% 90% at 15% 15%, #1e8e3e 0%, transparent 55%),
        radial-gradient(120% 90% at 85% 85%, #1a73e8 0%, transparent 55%);
}

@keyframes floatGrad {
    to {
        transform: translate3d(0, -6%, 0) scale(1.1);
    }
}

.visual-box__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
    color: #fff;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.1rem, 2.2vw, 1.6rem);
    letter-spacing: -.01em;
    padding: 2rem;
}

.visual-big-icon {
    font-size: clamp(3rem, 9vw, 6rem);
    width: clamp(3rem, 9vw, 6rem);
    height: auto;
    line-height: 1;
    color: #fff;
}

svg.visual-big-icon {
    stroke: #fff;
}

/* =============================================================
   18 · CTA BANNER
   ============================================================= */
.cta {
    position: relative;
    overflow: hidden;
    background: #1a73e8;
    /* azul Google fijo (banner de color en ambos temas) */
    color: #fff;
    border-radius: var(--r-xl);
    padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4rem);
    text-align: center;
    isolation: isolate;
}

.cta::before {
    content: "";
    position: absolute;
    inset: -40%;
    z-index: -1;
    background:
        radial-gradient(40% 55% at 15% 20%, rgba(255, 255, 255, .18) 0%, transparent 60%),
        radial-gradient(45% 55% at 90% 90%, #1e8e3e 0%, transparent 55%);
    opacity: .8;
    animation: floatGrad 14s var(--ease-inout) infinite alternate;
}

.cta__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: #fff;
    max-width: 20ch;
    margin-inline: auto;
    line-height: 1.08;
}

.cta__text {
    margin: 1.25rem auto 2.25rem;
    max-width: 46ch;
    color: rgba(255, 255, 255, .88);
    font-size: var(--fs-lead);
}

.cta .btn {
    color: #1a73e8;
    background: #fff;
    border-color: #fff;
}

.cta .btn:hover {
    color: #1a73e8;
    background: #f1f3f4;
    border-color: #f1f3f4;
}

/* =============================================================
   19 · CONTACTO
   ============================================================= */
.contact {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
}

.form {
    display: grid;
    gap: 1.5rem;
}

.form__row {
    display: grid;
    gap: 1.5rem;
}

.field {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.field label {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--fg-soft);
}

.field input,
.field textarea {
    width: 100%;
    padding: .95rem 1.1rem;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    transition: border-color var(--t-fast), box-shadow var(--t-fast), background-color var(--t-fast);
}

.field input::placeholder,
.field textarea::placeholder {
    color: var(--muted);
    opacity: .7;
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.field textarea {
    resize: vertical;
    min-height: 140px;
}

.field.is-error input,
.field.is-error textarea {
    border-color: #e5484d;
    box-shadow: 0 0 0 4px rgba(229, 72, 77, .12);
    animation: shake .4s var(--ease);
}

.field__error {
    display: none;
    font-size: .8rem;
    color: #e5484d;
}

.field.is-error .field__error {
    display: block;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-6px);
    }

    75% {
        transform: translateX(6px);
    }
}

.form__check {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    font-size: var(--fs-sm);
    color: var(--muted);
}

.form__check input {
    margin-top: .2rem;
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    flex-shrink: 0;
}

.form__check.is-error {
    color: #e5484d;
}

.form__status {
    font-size: var(--fs-sm);
    color: var(--accent);
    min-height: 1.2em;
}

.contact-info {
    display: grid;
    gap: 2rem;
    align-content: start;
}

/* Honeypot anti-spam: invisible para personas, visible para bots */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.info-block h3 {
    font-family: var(--font-body);
    font-size: var(--fs-eyebrow);
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
    margin-bottom: .75rem;
}

.info-block p {
    font-size: var(--fs-lead);
    color: var(--fg);
    line-height: 1.4;
}

.info-block a:hover {
    color: var(--accent);
}

/* =============================================================
   20 · FOOTER
   ============================================================= */
.footer {
    border-top: 1px solid var(--line);
    padding-top: clamp(3rem, 7vw, 5rem);
    padding-bottom: 2.5rem;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 5vw, 3rem);
    padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.footer__brand p {
    color: var(--muted);
    max-width: 34ch;
    margin-top: 1.25rem;
}

.footer__col h4 {
    font-family: var(--font-body);
    font-size: var(--fs-eyebrow);
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.footer__links {
    display: grid;
    gap: .75rem;
}

.footer__links a {
    color: var(--fg-soft);
    position: relative;
    width: fit-content;
}

.footer__links a:hover {
    color: var(--accent);
}

.footer__wordmark {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.5rem, 9vw, 6.5rem);
    line-height: .9;
    letter-spacing: -.03em;
    color: var(--fg);
    margin-block: clamp(1.5rem, 4vw, 2.5rem);
    overflow: hidden;
}

.footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
    font-size: var(--fs-sm);
    color: var(--muted);
}

.footer__legal {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer__legal a:hover {
    color: var(--fg);
}

/* =============================================================
   21 · REVEAL / ANIMACIONES
   ============================================================= */
html.js [data-reveal] {
    opacity: 0;
    transform: translateY(38px);
    transition: opacity .9s var(--ease), transform .9s var(--ease);
    transition-delay: var(--reveal-delay, 0s);
}

html.js [data-reveal].is-in {
    opacity: 1;
    transform: none;
}

html.js [data-reveal="clip"] {
    transform: none;
    clip-path: inset(0 0 100% 0);
    opacity: 1;
    transition: clip-path 1s var(--ease);
}

html.js [data-reveal="clip"].is-in {
    clip-path: inset(0 0 0 0);
}

/* Stagger para hijos */
html.js [data-stagger]>* {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}

html.js [data-stagger].is-in>* {
    opacity: 1;
    transform: none;
}

html.js [data-stagger].is-in>*:nth-child(1) {
    transition-delay: .05s;
}

html.js [data-stagger].is-in>*:nth-child(2) {
    transition-delay: .13s;
}

html.js [data-stagger].is-in>*:nth-child(3) {
    transition-delay: .21s;
}

html.js [data-stagger].is-in>*:nth-child(4) {
    transition-delay: .29s;
}

html.js [data-stagger].is-in>*:nth-child(5) {
    transition-delay: .37s;
}

/* Manifiesto word reveal */
html.js .manifesto__text.is-in .word__i {
    transform: translateY(0);
}

.manifesto__text .word:nth-child(n) .word__i {
    transition-delay: calc(var(--wi, 0) * .04s);
}

/* =============================================================
   22 · RESPONSIVE
   ============================================================= */
@media (min-width: 640px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .form__row--2 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 768px) {
    .manifesto__grid {
        grid-template-columns: 1.4fr .8fr;
    }

    .split {
        grid-template-columns: 1fr 1fr;
    }

    .split--reverse .split__image {
        order: -1;
    }

    .contact {
        grid-template-columns: 1.3fr .7fr;
    }

    .footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }

    .impact {
        grid-template-columns: auto 1fr;
    }
}

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Breakpoint de navegación: colapsa a overlay */
@media (max-width: 900px) {
    .nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    /* En móvil los botones (Campus/CTA) viven en el overlay; el theme toggle sigue visible */
    .header__actions .btn {
        display: none;
    }
}

@media (min-width: 901px) {
    .overlay-menu {
        display: none;
    }
}

/* =============================================================
   23 · REDUCED MOTION / ACCESIBILIDAD
   ============================================================= */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }

    html.js [data-reveal],
    html.js [data-stagger]>*,
    .hero__title .line__i,
    .manifesto__text .word__i {
        opacity: 1 !important;
        transform: none !important;
        clip-path: none !important;
    }

    .marquee__track {
        animation: none !important;
    }

    .cursor {
        display: none !important;
    }
}

/* Utilidad accesible: solo lectores de pantalla */
.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;
}

.skip-link {
    position: absolute;
    top: -60px;
    left: 1rem;
    z-index: 2000;
    padding: .75rem 1.25rem;
    background: var(--accent);
    color: var(--accent-fg);
    border-radius: var(--r-full);
    font-weight: 600;
    transition: top var(--t-fast);
}

.skip-link:focus {
    top: 1rem;
}

/* =============================================================
   24 · AMPLIACIÓN — logo, campus, catálogo, steps, partners,
        testimonios, FAQ, legal, breadcrumb, page-header
   ============================================================= */

/* Logo (wordmark) */
.logo__word {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.4rem;
    letter-spacing: -.02em;
    color: var(--fg);
    line-height: 1;
}

/* Icono de enlace externo (botón Campus) */
.btn__ext {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

/* Botón Campus compacto en el header (sin agrandar los de las bandas) */
.header__actions .btn--campus {
    padding: .5rem .9rem;
    font-size: .85rem;
    gap: .4rem;
    box-shadow: none;
}

.header__actions .btn--campus .btn__ext {
    width: 14px;
    height: 14px;
}

/* Botón de cierre (X) dentro del menú móvil */
.overlay-menu__close {
    position: absolute;
    top: 13px;
    right: var(--pad-x);
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    color: var(--fg);
    background: var(--bg);
    border: 1px solid var(--line-strong);
    border-radius: var(--r-full);
    cursor: pointer;
    transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.overlay-menu__close:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
    transform: rotate(90deg);
}

.overlay-menu__close svg {
    width: 20px;
    height: 20px;
}

/* Campus como CTA compacto dentro del menú móvil (no un titular gigante) */
.overlay-menu .overlay-menu__list a[href*="campus.educamp.es"] {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    width: fit-content;
    margin-top: 1.25rem;
    padding: .7rem 1.4rem;
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1;
    color: #fff;
    background: #1a73e8;
    border-radius: var(--r-full);
}

/* Page header — cabecera compacta de páginas internas */
.page-header {
    padding-top: calc(var(--header-h) + clamp(2.5rem, 6vw, 4.5rem));
    padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-header__title {
    font-size: var(--fs-h1);
    margin-top: 1rem;
    max-width: 22ch;
}

.page-header__intro {
    font-size: var(--fs-lead);
    color: var(--muted);
    margin-top: 1.25rem;
    max-width: 62ch;
    line-height: 1.5;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem;
    font-size: var(--fs-sm);
    color: var(--muted);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb__sep {
    opacity: .5;
}

.breadcrumb [aria-current] {
    color: var(--fg);
}

/* Franja de partners */
.partners {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: clamp(1.25rem, 4vw, 3rem);
    padding-block: clamp(1rem, 3vw, 1.75rem);
}

.partners__label {
    width: 100%;
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--muted);
    margin-bottom: .25rem;
}

.partners__item {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1rem, 2vw, 1.35rem);
    color: var(--muted);
    letter-spacing: -.01em;
    transition: color var(--t-fast);
}

.partners__item:hover {
    color: var(--fg);
}

/* Steps — proceso / metodología */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.25rem, 3vw, 1.75rem);
}

.step {
    padding: clamp(1.5rem, 3vw, 2rem);
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
}

.step__num {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: var(--r-full);
    font-family: var(--font-display);
    font-weight: 600;
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 1rem;
}

.steps .step:nth-child(4n+1) .step__num {
    color: var(--g-blue);
    background: color-mix(in srgb, var(--g-blue) 12%, transparent);
}

.steps .step:nth-child(4n+2) .step__num {
    color: var(--g-red);
    background: color-mix(in srgb, var(--g-red) 12%, transparent);
}

.steps .step:nth-child(4n+3) .step__num {
    color: var(--g-yellow);
    background: color-mix(in srgb, var(--g-yellow) 16%, transparent);
}

.steps .step:nth-child(4n+4) .step__num {
    color: var(--g-green);
    background: color-mix(in srgb, var(--g-green) 12%, transparent);
}

.step__title {
    font-size: var(--fs-h3);
    margin-bottom: .5rem;
}

.step__text {
    color: var(--muted);
    font-size: var(--fs-body);
}

/* Testimonios */
.testimonials {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.25rem, 3vw, 1.75rem);
}

.testimonial {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: clamp(1.75rem, 3vw, 2.5rem);
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
}

.testimonial__quote {
    font-size: var(--fs-lead);
    line-height: 1.45;
    color: var(--fg);
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: .85rem;
    margin-top: auto;
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--r-full);
    display: grid;
    place-items: center;
    flex-shrink: 0;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: .95rem;
    background: var(--accent-soft);
    color: var(--accent);
}

.testimonial__name {
    font-weight: 600;
    font-family: var(--font-display);
}

.testimonial__role {
    color: var(--muted);
    font-size: var(--fs-sm);
}

/* Catálogo — chips de filtro */
.chips {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-bottom: clamp(2rem, 4vw, 3rem);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1.1rem;
    border-radius: var(--r-full);
    border: 1px solid var(--line-strong);
    background: transparent;
    color: var(--fg-soft);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: .9rem;
    cursor: pointer;
    transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.chip:hover {
    background: var(--surface-alt);
}

.chip[aria-pressed="true"] {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

/* Catálogo — course cards */
.catalog__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.25rem, 3vw, 1.75rem);
}

.course-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: transparent;
}

.course-card__media {
    position: relative;
    aspect-ratio: 16 / 9;
    background:
        radial-gradient(120% 120% at 15% 15%, var(--g-blue) 0%, transparent 55%),
        radial-gradient(120% 120% at 85% 85%, var(--g-green) 0%, transparent 55%);
}

.course-card[data-accent="red"] .course-card__media {
    background:
        radial-gradient(120% 120% at 15% 15%, var(--g-red) 0%, transparent 55%),
        radial-gradient(120% 120% at 85% 85%, var(--g-yellow) 0%, transparent 55%);
}

.course-card[data-accent="green"] .course-card__media {
    background:
        radial-gradient(120% 120% at 15% 15%, var(--g-green) 0%, transparent 55%),
        radial-gradient(120% 120% at 85% 85%, var(--g-blue) 0%, transparent 55%);
}

.course-card[data-accent="yellow"] .course-card__media {
    background:
        radial-gradient(120% 120% at 15% 15%, var(--g-yellow) 0%, transparent 55%),
        radial-gradient(120% 120% at 85% 85%, var(--g-red) 0%, transparent 55%);
}

.course-card__badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: .3rem .8rem;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, .92);
    color: #202124;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: .78rem;
}

.course-card__body {
    padding: 1.25rem 1.25rem .5rem;
    flex: 1;
}

.course-card__eyebrow {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: .8rem;
    color: var(--accent);
}

.course-card__title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.2rem;
    line-height: 1.25;
    margin: .35rem 0 .5rem;
}

.course-card__desc {
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.5;
}

.course-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .9rem;
    color: var(--muted);
    font-size: .82rem;
}

.course-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--line);
}

.course-card__tutor {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-size: .88rem;
    font-weight: 500;
}

.course-card__tutor .avatar {
    width: 32px;
    height: 32px;
    font-size: .78rem;
}

.catalog__empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--muted);
    padding: 3rem 1rem;
    display: none;
}

/* FAQ (native details) */
.faq {
    display: grid;
    gap: .75rem;
    max-width: 62rem;
}

.faq__item {
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--bg-elev);
}

.faq__item[open] {
    border-color: var(--line-strong);
}

.faq__q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.15rem 1.35rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    list-style: none;
}

.faq__q::-webkit-details-marker {
    display: none;
}

.faq__q::after {
    content: "";
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    background: no-repeat center / contain;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
    transition: transform var(--t);
}

.faq__item[open] .faq__q::after {
    transform: rotate(45deg);
}

.faq__a {
    padding: 0 1.35rem 1.35rem;
    color: var(--muted);
    max-width: 68ch;
}

/* Banda de acceso al Campus */
.campus-band {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: center;
    padding: clamp(1.75rem, 4vw, 3rem);
    border-radius: var(--r-xl);
    background: var(--accent-soft);
    border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}

.campus-band__title {
    font-size: clamp(1.4rem, 3vw, 2rem);
}

.campus-band__text {
    color: var(--fg-soft);
    margin-top: .6rem;
    max-width: 50ch;
}

.campus-band__actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
}

/* Legal / prosa legible */
.prose {
    max-width: 72ch;
}

.prose h2 {
    font-size: var(--fs-h3);
    margin: 2.5rem 0 1rem;
}

.prose h3 {
    font-size: 1.2rem;
    margin: 1.75rem 0 .75rem;
}

.prose p,
.prose li {
    color: var(--fg-soft);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.prose ul {
    padding-left: 1.25rem;
    list-style: disc;
    margin-bottom: 1rem;
}

.prose a {
    color: var(--accent);
    text-decoration: underline;
}

/* Marcador de dato de ejemplo (contenido mixto) */
.placeholder,
.sample {
    background: color-mix(in srgb, var(--g-yellow) 22%, transparent);
    padding: 0 .3rem;
    border-radius: 4px;
}

.sample-tag {
    display: inline-block;
    font-size: .68rem;
    font-weight: 600;
    color: #8a6d00;
    background: color-mix(in srgb, var(--g-yellow) 25%, transparent);
    border-radius: var(--r-full);
    padding: .05rem .55rem;
    margin-left: .4rem;
    vertical-align: middle;
}

[data-theme="dark"] .sample-tag {
    color: var(--g-yellow);
}

/* Responsive de la ampliación */
@media (min-width: 640px) {
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials {
        grid-template-columns: repeat(2, 1fr);
    }

    .catalog__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .campus-band {
        grid-template-columns: 1fr auto;
    }
}

@media (min-width: 1024px) {
    .steps {
        grid-template-columns: repeat(4, 1fr);
    }

    .catalog__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .testimonials {
        grid-template-columns: repeat(3, 1fr);
    }

    .testimonials--team {
        grid-template-columns: repeat(4, 1fr);
    }
}