:root {
            --bg-deep: #070708;
            --surface: #101014;
            --surface-elevated: #16161c;
            --accent-warm: #cfa888;       /* Ámbar / marrón cálido cinematográfico */
            --accent-glow: rgba(207, 168, 136, 0.15);
            --border-film: rgba(207, 168, 136, 0.3);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --text-main: #f5f5f7;
            --text-dim: #9b9ba3;
            --font-head: 'Syne', sans-serif;
            --font-body: 'Plus Jakarta Sans', sans-serif;
            --font-film: 'Space Mono', monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-body);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            background-image: 
                radial-gradient(ellipse at 50% 0%, rgba(207, 168, 136, 0.08) 0%, transparent 65%),
                repeating-linear-gradient(90deg, transparent, transparent 48px, rgba(255, 255, 255, 0.012) 48px, rgba(255, 255, 255, 0.012) 50px);
        }

        
        /* RÓTULO DE NAVEGACIÓN SUPERIOR OFICIAL (EN UNA SOLA FILA) */
        header.rotulo-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #140508; /* Tono borravino muy oscuro cinematográfico para hacer juego con el rótulo de cátedra pero integrado a tu paleta */
            background: linear-gradient(180deg, #180509 0%, #0d0204 100%);
            border-bottom: 1px solid var(--border-film);
            padding: 0.65rem 1.8vw;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
            overflow-x: auto;
            white-space: nowrap;
        }

        /* Ocultar barra de scroll pero permitir deslizamiento */
        header.rotulo-header::-webkit-scrollbar {
            height: 3px;
        }
        header.rotulo-header::-webkit-scrollbar-thumb {
            background: var(--border-film);
            border-radius: 4px;
        }

        .rotulo-container {
            width: max-content;
            min-width: 100%;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 1rem;
            flex-wrap: nowrap; /* ESTRICTAMENTE EN UNA SOLA FILA */
        }

        .rotulo-group {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            flex-wrap: nowrap;
        }

        .rotulo-label {
            font-family: var(--font-body);
            font-size: 0.82rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            color: #ffffff;
            white-space: nowrap;
            margin-right: 0.2rem;
        }

        .rotulo-pill {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
            font-family: var(--font-body);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.32rem 0.85rem;
            border-radius: 999px;
            color: #f1f1f5;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .rotulo-pill:hover {
            color: #ffffff;
            background: rgba(207, 168, 136, 0.22);
            border-color: var(--accent-warm);
            transform: translateY(-1px);
        }

        .rotulo-pill.active {
            background: #ffffff;
            color: #3b0a13;
            border-color: #ffffff;
            font-weight: 800;
            box-shadow: 0 0 16px rgba(255, 255, 255, 0.4);
        }


            .rotulo-divider {
                display: none;
            }
        }


        .roll-icon {
            width: 22px;
            height: 22px;
            border: 2px solid var(--accent-warm);
            border-radius: 50%;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .roll-icon::after {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent-warm);
            border-radius: 50%;
        }

        .brand-title {
            font-family: var(--font-head);
            color: var(--text-main);
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            font-weight: 700;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 1.6rem;
            align-items: center;
        }

        nav a {
            text-decoration: none;
            color: var(--text-dim);
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.4px;
            transition: all 0.25s ease;
            position: relative;
        }

        nav a:hover, nav a.active {
            color: var(--accent-warm);
        }

        nav a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-warm);
            border-radius: 2px;
        }

        /* CONTENIDO PRINCIPAL */
        main {
            max-width: 1240px;
            width: 100%;
            margin: 0 auto;
            padding: 4rem 5vw 3rem;
            display: flex;
            flex-direction: column;
            gap: 5.5rem;
        }

        /* HERO: FOTO A LA IZQUIERDA / BOTONES A LA DERECHA */
        .hero-split {
            display: grid;
            grid-template-columns: 38% 57%;
            gap: 5%;
            align-items: center;
            min-height: 70vh;
        }

        /* FOTOGRAMA 35MM */
        .film-strip-wrapper {
            position: relative;
            background: #000000;
            border: 1px solid var(--border-film);
            border-radius: 12px;
            padding: 22px 14px;
            box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 35px -5px var(--accent-glow);
        }

        .film-perforations {
            height: 12px;
            width: 100%;
            background-image: radial-gradient(circle, var(--accent-warm) 3px, transparent 3.5px);
            background-size: 22px 12px;
            background-repeat: repeat-x;
            opacity: 0.65;
        }

        .film-perforations.top { margin-bottom: 12px; }
        .film-perforations.bottom { margin-top: 12px; }

        .film-frame {
            position: relative;
            width: 100%;
            aspect-ratio: 4 / 5;
            overflow: hidden;
            border-radius: 4px;
            background: #111;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .film-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center 20%;
            filter: contrast(1.04) saturate(1.02);
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
            display: block;
        }

        .film-strip-wrapper:hover .film-frame img {
            transform: scale(1.03);
        }

        .film-code {
            display: flex;
            justify-content: space-between;
            font-family: var(--font-film);
            font-size: 0.65rem;
            color: var(--accent-warm);
            letter-spacing: 1.5px;
            margin-top: 6px;
            padding: 0 4px;
            text-transform: uppercase;
        }

        /* COLUMNA DERECHA */
        .content-column {
            display: flex;
            flex-direction: column;
            gap: 1.6rem;
        }

        .scene-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-film);
            font-size: 0.75rem;
            color: var(--accent-warm);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .scene-badge::before {
            content: 'REC';
            background: #b52c2c;
            color: #fff;
            font-weight: 700;
            font-size: 0.65rem;
            padding: 0.15rem 0.45rem;
            border-radius: 3px;
            letter-spacing: 1px;
            animation: blink 2s infinite ease-in-out;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        h1 {
            font-family: var(--font-head);
            font-size: clamp(2.3rem, 4.2vw, 3.6rem);
            line-height: 1.08;
            letter-spacing: -0.5px;
            font-weight: 800;
            color: #ffffff;
        }

        /* BOTONES DE CADA SECCIÓN */
        .nav-profile-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.9rem;
            margin-top: 0.4rem;
        }

        .btn-section-card {
            background: var(--surface);
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 1.1rem 1.2rem;
            text-decoration: none;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-section-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--accent-warm);
            opacity: 0.6;
            transition: opacity 0.25s;
        }

        .btn-section-card:hover {
            border-color: var(--border-film);
            background: var(--surface-elevated);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.7);
        }

        .btn-section-card:hover::before {
            opacity: 1;
        }

        .btn-card-num {
            font-family: var(--font-film);
            font-size: 0.68rem;
            color: var(--accent-warm);
            letter-spacing: 1px;
            margin-bottom: 0.4rem;
        }

        .btn-card-title {
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .btn-card-title span {
            color: var(--accent-warm);
            font-family: var(--font-film);
            font-size: 0.85rem;
            transition: transform 0.2s;
        }

        .btn-section-card:hover .btn-card-title span {
            transform: translateX(3px);
        }

        /* ACCIONES PRINCIPALES */
        .actions-row {
            display: flex;
            gap: 1rem;
            align-items: center;
            flex-wrap: wrap;
            margin-top: 0.6rem;
        }

        .btn-action {
            background: var(--accent-warm);
            color: #070708;
            border: 1px solid var(--accent-warm);
            padding: 0.85rem 1.8rem;
            border-radius: 6px;
            font-family: var(--font-body);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 10px 25px -5px rgba(207, 168, 136, 0.25);
        }

        .btn-action:hover {
            background: #dfb898;
            transform: translateY(-2px);
            box-shadow: 0 15px 30px -5px rgba(207, 168, 136, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-dim);
            border: 1px solid var(--border-subtle);
            padding: 0.85rem 1.5rem;
            border-radius: 6px;
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .btn-outline:hover {
            color: var(--text-main);
            border-color: var(--border-film);
            background: var(--surface);
        }

        /* BUTACAS DE CINE DECORATIVAS */
        .theater-seats-divider {
            margin: 1rem 0;
            display: flex;
            justify-content: center;
            gap: 14px;
            opacity: 0.22;
        }

        .seat-icon {
            width: 28px;
            height: 22px;
            border: 1.5px solid var(--accent-warm);
            border-radius: 6px 6px 2px 2px;
            position: relative;
        }

        .seat-icon::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 3px;
            width: 20px;
            height: 3px;
            background: var(--accent-warm);
            border-radius: 2px;
        }

        /* SECCIONES COMPLETAS */
        .content-section {
            scroll-margin-top: 100px;
            background: var(--surface);
            border: 1px solid var(--border-subtle);
            border-radius: 14px;
            padding: 3rem;
            position: relative;
            overflow: hidden;
        }

        .content-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-warm), transparent);
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border-subtle);
            padding-bottom: 1.2rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .section-title {
            font-family: var(--font-head);
            font-size: 1.8rem;
            color: #ffffff;
            letter-spacing: -0.5px;
        }

        .section-code {
            font-family: var(--font-film);
            font-size: 0.75rem;
            color: var(--accent-warm);
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.3rem;
        }

        .item-card {
            background: var(--surface-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 1.5rem;
            transition: all 0.3s ease;
        }

        .item-card:hover {
            border-color: var(--border-film);
            transform: translateY(-3px);
            box-shadow: 0 12px 25px -10px rgba(0, 0, 0, 0.6);
        }

        .item-tag {
            font-family: var(--font-film);
            font-size: 0.7rem;
            color: var(--accent-warm);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 0.4rem;
        }

        .item-title {
            font-family: var(--font-head);
            font-size: 1.15rem;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }

        .item-desc {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* TABLA DE FOJA ACADÉMICA ESTILO EXPEDIENTE CINEMATOGRÁFICO */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            margin-top: 1.5rem;
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            background: #0b0b0e;
        }

        table.academic-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
            text-align: left;
        }

        table.academic-table th {
            background: rgba(207, 168, 136, 0.08);
            color: var(--accent-warm);
            font-family: var(--font-film);
            font-size: 0.72rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            padding: 0.9rem 1rem;
            border-bottom: 1px solid var(--border-subtle);
        }

        table.academic-table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            color: #d1d1d8;
        }

        table.academic-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
            color: #ffffff;
        }

        .badge-status {
            display: inline-block;
            font-family: var(--font-film);
            font-size: 0.7rem;
            padding: 0.15rem 0.5rem;
            border-radius: 4px;
            background: rgba(207, 168, 136, 0.15);
            color: var(--accent-warm);
            border: 1px solid var(--border-film);
        }

        /* CUADRÍCULA INSTITUCIONAL / DATOS OBLIGATORIOS */
        .academic-dossier-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .academic-block {
            background: var(--surface-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 1.6rem;
        }

        .academic-block h3 {
            font-family: var(--font-head);
            font-size: 1.05rem;
            color: var(--accent-warm);
            margin-bottom: 1rem;
            border-bottom: 1px solid var(--border-subtle);
            padding-bottom: 0.5rem;
            letter-spacing: 0.5px;
        }

        .academic-block ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            font-size: 0.88rem;
        }

        .academic-block li {
            position: relative;
            padding-left: 1.2rem;
            color: #cfcfd4;
        }

        .academic-block li::before {
            content: '▪';
            position: absolute;
            left: 0;
            color: var(--accent-warm);
        }

        .project-description-box {
            grid-column: 1 / -1;
            background: rgba(207, 168, 136, 0.05);
            border: 1px solid var(--border-film);
            border-radius: 10px;
            padding: 1.8rem;
        }

        .project-description-box h3 {
            font-family: var(--font-head);
            color: var(--accent-warm);
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
        }

        .project-description-box p {
            font-size: 0.95rem;
            color: #e5e5ea;
            line-height: 1.7;
        }

        .back-top {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--accent-warm);
            font-size: 0.78rem;
            text-decoration: none;
            margin-top: 2rem;
            font-family: var(--font-film);
            transition: opacity 0.2s;
        }

        .back-top:hover {
            opacity: 0.7;
        }

        /* MODAL / DIALOG */
        dialog {
            background: #0f0f13;
            color: var(--text-main);
            border: 1px solid var(--border-film);
            border-radius: 12px;
            padding: 2.2rem;
            max-width: 620px;
            width: 92%;
            margin: auto;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.95);
        }

        dialog::backdrop {
            background: rgba(3, 3, 4, 0.85);
            backdrop-filter: blur(12px);
        }

        .modal-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid var(--border-subtle);
        }

        .modal-top h2 {
            font-family: var(--font-head);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .modal-close {
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-dim);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all 0.2s ease;
        }

        .modal-close:hover {
            border-color: var(--accent-warm);
            color: var(--accent-warm);
        }

        .select-box {
            margin-bottom: 1.5rem;
        }

        .select-box label {
            display: block;
            font-size: 0.72rem;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-warm);
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        select {
            width: 100%;
            background: #060608;
            color: var(--text-main);
            border: 1px solid var(--border-subtle);
            border-radius: 6px;
            padding: 0.85rem 1rem;
            font-size: 0.9rem;
            outline: none;
            cursor: pointer;
            transition: border-color 0.2s;
        }

        select:focus {
            border-color: var(--accent-warm);
        }

        .tab-content {
            display: none;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            padding: 1.4rem;
            font-size: 0.92rem;
        }

        .tab-content.active {
            display: block;
            animation: fadeIn 0.25s ease;
        }

        .tab-content ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            margin-top: 0.4rem;
            margin-bottom: 1.2rem;
        }

        .tab-content li {
            position: relative;
            padding-left: 1.2rem;
            color: #d1d1d8;
        }

        .tab-content li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--accent-warm);
        }

        .btn-modal-direct {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--surface-elevated);
            border: 1px solid var(--border-film);
            color: var(--accent-warm);
            padding: 0.65rem 1.1rem;
            border-radius: 6px;
            text-decoration: none;
            font-size: 0.8rem;
            font-family: var(--font-film);
            transition: all 0.2s ease;
        }

        .btn-modal-direct:hover {
            background: var(--accent-warm);
            color: #070708;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(4px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* INFO LEGAL & FOOTER COMPLETO */
        footer {
            padding: 3rem 5vw 2.5rem;
            border-top: 1px solid var(--border-subtle);
            background: #050506;
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
            font-size: 0.8rem;
            color: var(--text-dim);
        }

        .footer-legal-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding-bottom: 1.5rem;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
        }

        .footer-col strong {
            color: var(--accent-warm);
            font-size: 0.85rem;
            font-family: var(--font-head);
            letter-spacing: 0.5px;
        }

        /* CUADRO DE DESCARGO LEGAL OBLIGATORIO */
        .academic-disclaimer {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            padding: 1.2rem 1.4rem;
            font-size: 0.76rem;
            line-height: 1.6;
            color: #8c8c94;
        }

        .footer-legal-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-family: var(--font-film);
            font-size: 0.72rem;
            color: #7d7d85;
        }

        @media (max-width: 900px) {
            .hero-split {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .film-strip-wrapper {
                max-width: 340px;
                margin: 0 auto;
            }
            .nav-profile-grid {
                grid-template-columns: 1fr;
            }
            header {
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
            }
            nav ul {
                flex-wrap: wrap;
                gap: 1rem;
            }
            .content-section {
                padding: 1.8rem;
            }
        }