* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --negro: #111111;
    --negro-2: #1b1b1b;
    --crema: #f2f0e9;
    --blanco: #ffffff;
    --linea-clara: rgba(255,255,255,.16);
    --linea-oscura: rgba(17,17,17,.22);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--negro);
    color: var(--blanco);
    overflow-x: hidden;
}

a {
    color: inherit;
}

/* ========================= */
/* NAVEGACIÓN GENERAL */
/* ========================= */

.nav-equipo {
    position: fixed;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: calc(100% - 100px);
    max-width: 1500px;
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 9px 10px 9px 14px;
    background: rgba(17, 17, 17, 0.90);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.22);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    color: #fff;
    text-decoration: none;
}

.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 10px;
    border: 1px solid #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-brand-text {
    font-size: 10px;
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: rgba(255, 255, 255, 0.55);
    white-space: nowrap;
}

.nav-right {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 3px;
    min-width: 0;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 11px;
    border: 1px solid transparent;
    color: rgba(255, 255, 255, 0.58);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 10px;
    white-space: nowrap;
    transition: .25s ease;
}

.nav-link:hover {
    color: #fff;
    border-color: rgba(255,255,255,.28);
    background: rgba(255,255,255,.05);
}

.nav-link.activo {
    color: var(--negro);
    background: #fff;
    border-color: #fff;
}

.nav-semestre {
    padding-left: 12px;
    border-left: 1px solid rgba(255,255,255,.18);
    font-size: 9px;
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,.4);
    white-space: nowrap;
}

/* ========================= */
/* HERO */
/* ========================= */

.landing {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 135px 50px 50px;
    overflow: hidden;
}

.landing::after {
    content: "VN16";
    position: absolute;
    right: -1.5vw;
    bottom: -4.5vw;
    font-size: clamp(150px, 28vw, 430px);
    line-height: .72;
    font-weight: 700;
    letter-spacing: -0.08em;
    color: rgba(255,255,255,.025);
    pointer-events: none;
}

.hero-main {
    margin: auto 0;
    position: relative;
    z-index: 2;
}

.subtitulo,
.eyebrow {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.subtitulo {
    margin-bottom: 20px;
    color: rgba(255,255,255,.45);
}

h1 {
    font-size: clamp(62px, 10.5vw, 158px);
    line-height: .84;
    letter-spacing: -0.055em;
    text-transform: uppercase;
    max-width: 1180px;
}

.hero-meta {
    margin-top: 48px;
    width: min(760px, 100%);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255,255,255,.25);
}

.hero-meta-item {
    padding: 14px 20px 0 0;
    min-height: 74px;
    border-right: 1px solid rgba(255,255,255,.14);
}

.hero-meta-item:last-child {
    border-right: 0;
    padding-left: 20px;
}

.hero-meta-item:nth-child(2) {
    padding-left: 20px;
}

.hero-meta-item small {
    display: block;
    margin-bottom: 8px;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: rgba(255,255,255,.35);
}

.hero-meta-item strong {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .3px;
}

.hero-footer {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: rgba(255,255,255,.4);
}

.ver-info {
    color: rgba(255,255,255,.75);
    text-decoration: none;
    transition: .25s;
}

.ver-info:hover {
    color: #fff;
}

/* ========================= */
/* AVISO ACADÉMICO */
/* ========================= */

.aviso {
    background: var(--negro-2);
    border-top: 1px solid var(--linea-clara);
    border-bottom: 1px solid var(--linea-clara);
    padding: 0 50px;
}

.aviso-contenido {
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 210px 1fr 70px;
    min-height: 150px;
    align-items: stretch;
}

.aviso-label,
.aviso-numero {
    display: flex;
    align-items: center;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.7px;
    color: rgba(255,255,255,.36);
}

.aviso-texto {
    padding: 34px 44px;
    border-left: 1px solid var(--linea-clara);
    border-right: 1px solid var(--linea-clara);
    display: flex;
    align-items: center;
}

.aviso-texto p {
    max-width: 1050px;
    font-size: clamp(13px, 1.15vw, 17px);
    line-height: 1.55;
    color: rgba(255,255,255,.72);
}

.aviso-numero {
    justify-content: flex-end;
}

/* ========================= */
/* INFORMACIÓN INSTITUCIONAL */
/* ========================= */

.informacion {
    background: var(--crema);
    color: var(--negro);
    padding: 110px 50px 0;
}

.section-shell {
    max-width: 1500px;
    margin: 0 auto;
}

.info-intro {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    padding-bottom: 72px;
    border-bottom: 1px solid var(--negro);
}

.eyebrow.dark {
    color: rgba(17,17,17,.46);
}

.info-intro h2 {
    font-size: clamp(58px, 8vw, 118px);
    line-height: .84;
    letter-spacing: -0.055em;
    text-transform: uppercase;
    max-width: 980px;
}

.info-intro h2 span {
    display: block;
    font-weight: 400;
    color: rgba(17,17,17,.28);
}

.institucion {
    display: grid;
    grid-template-columns: 1.2fr 1.65fr 1fr;
    min-height: 360px;
    border-bottom: 1px solid var(--negro);
}

.institucion > div {
    padding: 42px 36px;
}

.institucion > div + div {
    border-left: 1px solid var(--linea-oscura);
}

.institucion-codigo {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.codigo {
    font-size: clamp(84px, 10vw, 150px);
    line-height: .78;
    letter-spacing: -.07em;
    font-weight: 700;
}

.institucion-codigo small,
.label-mini {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    color: rgba(17,17,17,.4);
}

.institucion-nombre {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.institucion-nombre h3 {
    max-width: 560px;
    font-size: clamp(28px, 3.3vw, 52px);
    line-height: .98;
    letter-spacing: -.035em;
    font-weight: 500;
}

.institucion-nombre p {
    max-width: 520px;
    font-size: 13px;
    line-height: 1.55;
    color: rgba(17,17,17,.55);
}

.autoridades {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 26px;
}

.autoridad {
    padding-top: 14px;
    border-top: 1px solid rgba(17,17,17,.18);
}

.autoridad:first-child {
    border-top: 0;
    padding-top: 0;
}

.autoridad span {
    display: block;
    margin-bottom: 6px;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(17,17,17,.4);
}

.autoridad strong {
    font-size: 14px;
    line-height: 1.35;
}

/* FADU + DGPC: composición invertida */

.institucion.fadu {
    grid-template-columns: 1fr 1.55fr 1.3fr;
}

.institucion.fadu .institucion-codigo {
    background: var(--negro);
    color: var(--blanco);
    margin: 18px 18px 18px 0;
    padding: 30px;
}

.institucion.fadu .institucion-codigo small {
    color: rgba(255,255,255,.4);
}

.datos-academicos {
    display: grid;
    align-content: center;
    gap: 0;
}

.dato-academico {
    padding: 18px 0;
    border-top: 1px solid rgba(17,17,17,.18);
}

.dato-academico:first-child {
    border-top: 0;
}

.dato-academico span {
    display: block;
    margin-bottom: 5px;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: rgba(17,17,17,.38);
}

.dato-academico strong {
    font-size: 15px;
}

/* CÁTEDRA */

.catedra-wrap {
    padding: 80px 0;
    border-bottom: 1px solid var(--negro);
}

.catedra-card {
    background: var(--negro);
    color: var(--blanco);
    display: grid;
    grid-template-columns: .8fr 1.2fr 1.1fr;
    min-height: 460px;
}

.catedra-card > div {
    padding: 44px;
}

.catedra-card > div + div {
    border-left: 1px solid var(--linea-clara);
}

.catedra-identidad {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.catedra-identidad .marca {
    font-size: clamp(70px, 8vw, 122px);
    line-height: .75;
    letter-spacing: -.07em;
    font-weight: 700;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.catedra-identidad small {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,.4);
}

.catedra-titulo {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.catedra-titulo .label-mini {
    color: rgba(255,255,255,.35);
    margin-bottom: 22px;
}

.catedra-titulo h3 {
    font-size: clamp(44px, 5.5vw, 82px);
    line-height: .88;
    letter-spacing: -.05em;
    text-transform: uppercase;
    font-weight: 500;
}

.catedra-titulo h3 span {
    display: block;
    color: rgba(255,255,255,.28);
}

.catedra-personas {
    display: grid;
    align-content: center;
    gap: 19px;
}

.persona {
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,.15);
}

.persona:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.persona span {
    display: block;
    margin-bottom: 5px;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: rgba(255,255,255,.35);
}

.persona strong {
    font-size: 14px;
    line-height: 1.45;
}

/* ========================= */
/* ACCESOS AL PROYECTO */
/* ========================= */

.accesos-proyecto {
    background: var(--crema);
    color: var(--negro);
    padding: 105px 50px 115px;
    border-top: 1px solid var(--negro);
    border-bottom: 1px solid var(--negro);
}

.accesos-shell {
    max-width: 1500px;
    margin: 0 auto;
}

.accesos-encabezado {
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: 60px;
    align-items: end;
    margin-bottom: 54px;
}

.accesos-kicker {
    margin-bottom: 14px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.7px;
    color: rgba(17,17,17,.48);
}

.accesos-bajada {
    display: block;
    max-width: 310px;
    font-size: 13px;
    line-height: 1.55;
    color: rgba(17,17,17,.56);
}

.accesos-encabezado h2 {
    font-size: clamp(56px, 7.6vw, 116px);
    line-height: .83;
    letter-spacing: -.06em;
    text-transform: uppercase;
}

.accesos-encabezado h2 span {
    display: block;
    color: rgba(17,17,17,.23);
    font-weight: 400;
}

.accesos-grid {
    display: grid;
    grid-template-columns: .82fr 1.18fr;
    grid-template-rows: repeat(2, minmax(255px, 1fr));
    grid-template-areas:
        "mapa plan"
        "app plan";
    gap: 14px;
}

.acceso-card {
    position: relative;
    min-width: 0;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--negro);
    background: rgba(255,255,255,.18);
    color: var(--negro);
    text-decoration: none;
    overflow: hidden;
    isolation: isolate;
    transition: transform .35s ease, background .35s ease, color .35s ease;
}

.acceso-card::before {
    content: "";
    position: absolute;
    top: 50%;
    right: -95px;
    width: 270px;
    height: 270px;
    border: 1px solid currentColor;
    border-radius: 50%;
    opacity: .11;
    transform: translateY(-50%);
    transition: transform .55s ease;
    z-index: -1;
}

.acceso-card::after {
    content: attr(data-label);
    position: absolute;
    right: -0.035em;
    bottom: -0.17em;
    font-size: clamp(110px, 15vw, 230px);
    line-height: .8;
    letter-spacing: -.09em;
    font-weight: 700;
    opacity: .035;
    z-index: -1;
    pointer-events: none;
}

.acceso-card:hover {
    transform: translateY(-5px);
    background: var(--negro);
    color: var(--blanco);
}

.acceso-card:hover::before {
    transform: translateY(-50%) scale(1.15);
}

.acceso-mapa { grid-area: mapa; }
.acceso-plan {
    grid-area: plan;
    background: var(--negro);
    color: var(--blanco);
}
.acceso-app { grid-area: app; }

.acceso-plan:hover {
    background: #272727;
}

.acceso-top {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    opacity: .58;
}

.acceso-icono {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin-top: -8px;
    flex: 0 0 auto;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 14px;
    transition: transform .3s ease, background .3s ease, color .3s ease;
}

.acceso-card:hover .acceso-icono {
    transform: translate(3px, -3px);
    background: var(--blanco);
    color: var(--negro);
}

.acceso-contenido {
    position: relative;
    z-index: 2;
}

.acceso-contenido h3 {
    font-size: clamp(56px, 6vw, 94px);
    line-height: .76;
    letter-spacing: -.07em;
    text-transform: uppercase;
}

.acceso-plan .acceso-contenido h3 {
    font-size: clamp(94px, 12vw, 190px);
}

.acceso-contenido p {
    max-width: 340px;
    margin-top: 23px;
    font-size: 13px;
    line-height: 1.55;
    opacity: .58;
}

.acceso-disponible {
    display: inline-block;
    margin-bottom: 28px;
    padding: 7px 10px;
    border: 1px solid rgba(255,255,255,.42);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
}

.acceso-estado {
    position: relative;
    z-index: 2;
    align-self: flex-start;
    padding-bottom: 5px;
    border-bottom: 1px solid currentColor;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    opacity: .65;
}

.acceso-pendiente {
    cursor: default;
}

/* ========================= */
/* TEMA */
/* ========================= */

.tema {
    padding: 90px 0 110px;
}

.tema-top {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 58px;
}

.tema-top span {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(17,17,17,.4);
}

.tema-placeholder {
    padding: clamp(28px, 5vw, 64px);
    background: var(--negro);
    color: var(--crema);
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    position: relative;
}

.tema-placeholder small {
    display: block;
    margin-bottom: 24px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    color: rgba(242,240,233,.55);
}

.tema-identidad h3 {
    margin: 0 0 18px;
    font-size: clamp(52px, 11vw, 150px);
    line-height: .95;
    letter-spacing: -.065em;
    font-weight: 800;
    color: var(--crema);
}

.tema-lema {
    display: block;
    font-size: 11px;
    line-height: 1.6;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: rgba(242,240,233,.7);
}

.tema-descripcion {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 32px;
    border-top: 1px solid rgba(242,240,233,.25);
    padding-top: 32px;
}

.tema-descripcion small {
    padding-top: 6px;
    line-height: 1.6;
}

.tema-descripcion p {
    margin: 0;
    max-width: 750px;
    font-size: clamp(16px, 1.6vw, 21px);
    line-height: 1.75;
    color: var(--crema);
}

/* ========================= */
/* RESPONSIVE */
/* ========================= */

@media (max-width: 1050px) {
    .nav-semestre,
    .nav-brand-text {
        display: none;
    }

    .institucion,
    .institucion.fadu {
        grid-template-columns: 1fr 1.4fr;
    }

    .institucion .autoridades,
    .institucion.fadu .datos-academicos {
        grid-column: 1 / -1;
        border-left: 0;
        border-top: 1px solid var(--linea-oscura);
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .catedra-card {
        grid-template-columns: .65fr 1.35fr;
    }

    .catedra-personas {
        grid-column: 1 / -1;
        border-left: 0 !important;
        border-top: 1px solid var(--linea-clara);
        grid-template-columns: repeat(2, 1fr);
    }

    .acceso-card {
        min-height: 330px;
    }
}

@media (max-width: 800px) {
    .nav-equipo {
        top: 10px;
        width: calc(100% - 20px);
        min-height: 54px;
        padding: 7px 8px;
        gap: 8px;
    }

    .nav-badge {
        padding: 8px 9px;
        font-size: 11px;
    }

    .nav-right {
        flex: 1;
        overflow: hidden;
    }

    .nav-links {
        width: 100%;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        padding: 9px 10px;
        font-size: 9px;
    }

    .landing {
        min-height: 92vh;
        padding: 108px 25px 28px;
    }

    h1 {
        font-size: clamp(56px, 18vw, 94px);
    }

    .hero-meta {
        grid-template-columns: 1fr;
        margin-top: 34px;
    }

    .hero-meta-item,
    .hero-meta-item:nth-child(2),
    .hero-meta-item:last-child {
        min-height: auto;
        padding: 12px 0;
        border-right: 0;
        border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .hero-meta-item:last-child {
        border-bottom: 0;
    }

    .hero-footer {
        gap: 20px;
        align-items: flex-start;
    }

    .aviso {
        padding: 0 25px;
    }

    .aviso-contenido {
        grid-template-columns: 1fr;
        padding: 24px 0;
        min-height: auto;
    }

    .aviso-label,
    .aviso-numero {
        display: none;
    }

    .aviso-texto {
        border: 0;
        padding: 0;
    }

    .informacion {
        padding: 72px 25px 0;
    }

    .info-intro {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-bottom: 48px;
    }

    .info-intro h2 {
        font-size: clamp(54px, 16vw, 86px);
    }

    .institucion,
    .institucion.fadu {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .institucion > div,
    .institucion.fadu > div {
        padding: 30px 0;
    }

    .institucion > div + div,
    .institucion.fadu > div + div {
        border-left: 0;
        border-top: 1px solid var(--linea-oscura);
    }

    .institucion.fadu .institucion-codigo {
        margin: 24px 0;
        padding: 26px;
        border: 0;
    }

    .institucion .autoridades,
    .institucion.fadu .datos-academicos {
        grid-column: auto;
        display: block;
        border-top: 1px solid var(--linea-oscura);
    }

    .autoridad,
    .dato-academico {
        padding: 16px 0;
        border-top: 1px solid rgba(17,17,17,.14);
    }

    .catedra-wrap {
        padding: 55px 0;
    }

    .catedra-card {
        grid-template-columns: 1fr;
    }

    .catedra-card > div {
        padding: 30px 26px;
    }

    .catedra-card > div + div,
    .catedra-personas {
        border-left: 0 !important;
        border-top: 1px solid var(--linea-clara);
    }

    .catedra-identidad {
        min-height: 170px;
    }

    .catedra-identidad .marca {
        writing-mode: horizontal-tb;
        transform: none;
        font-size: 70px;
    }

    .catedra-personas {
        grid-column: auto;
        grid-template-columns: 1fr;
    }

    .accesos-proyecto {
        padding: 72px 25px 80px;
    }

    .accesos-encabezado {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 38px;
    }

    .accesos-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        grid-template-areas:
            "mapa"
            "plan"
            "app";
    }

    .acceso-card {
        min-height: 280px;
    }

    .acceso-plan {
        min-height: 430px;
    }

    .tema {
        padding: 60px 0 80px;
    }

    .tema-placeholder {
        gap: 28px;
        padding: 28px 22px;
    }

    .tema-descripcion {
        grid-template-columns: 1fr;
        gap: 12px;
        padding-top: 24px;
    }

    .tema-descripcion small {
        margin-bottom: 0;
    }
}