/* ============================================== */
/* 1. RESET Y VARIABLES                          */
/* ============================================== */

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

:root {
    /* Paleta oficial */
    --color-bg-primary:    #0b1120;
    --color-bg-secondary:  #1a2332;
    --color-text-primary:  #e8edf5;
    --color-text-secondary:#94a3b8;
    --color-accent-blue:   #3b82f6;
    --color-accent-amber:  #f59e0b;
    --color-border:        rgba(148, 163, 184, 0.15);
    --color-white:         #ffffff;

    /* Sistema interno */
    --nav-height:       60px;
    --section-pad-v:    4rem;
    --container-max:    1280px;
    --container-pad:    1rem;
    --radius:           0px;
    --radius-sm:        2px;
    --transition:       0.3s ease;
}


/* ============================================== */
/* 2. TIPOGRAFÍA Y CUERPO                        */
/* ============================================== */

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul,
ol {
    list-style: none;
}

/* Scroll-margin para anclas detrás del nav fijo */
#inicio,
#repositorio,
#enlaces,
#herramientas,
#trimestres,
#objetivo,
#proyectos {
    scroll-margin-top: var(--nav-height);
}


/* ============================================== */
/* 3. UTILIDADES COMPARTIDAS                     */
/* ============================================== */

.section-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

.title-underline {
    width: 2.5rem;
    height: 2px;
    background-color: var(--color-accent-blue);
    margin-top: 0.6rem;
}

.section-header {
    margin-bottom: 2.5rem;
}

/* Gradiente de texto reutilizable */
.gradient-text {
    background: linear-gradient(
        90deg,
        var(--color-accent-blue) 0%,
        var(--color-accent-amber) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* GitHub-original es un icono negro — invertimos para fondo oscuro */
img[src*="github-original"] {
    filter: brightness(0) invert(1);
    transition: filter var(--transition);
}

/* Fondo tipo hero (gradiente + grid) */
.bg-hero {
    position: relative;
    background: linear-gradient(160deg, #0b1120 0%, #111c2e 100%);
    overflow: hidden;
}

.bg-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.6;
    pointer-events: none;
}

.bg-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 65% 35%, rgba(59, 130, 246, 0.05) 0%, transparent 65%);
    pointer-events: none;
}


/* ============================================== */
/* 4. NAVBAR CON BOOTSTRAP - ESTILOS PERSONALIZADOS */
/* ============================================== */

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(11, 17, 32, 0.92);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(4px);
}

.nav-container {
    height: var(--nav-height);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* ----- LOGO ----- */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-primary) !important;
    letter-spacing: 0.06em;
    transition: color 0.3s ease;
    text-decoration: none;
}

.nav-logo-img {
    height: 1.8rem;
    width: auto;
    filter: brightness(0) invert(1);
    transition: filter 0.3s ease;
}

.nav-logo:hover {
    background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo:hover .nav-logo-img {
    filter: invert(48%) sepia(79%) saturate(2476%) hue-rotate(210deg) brightness(100%) contrast(96%);
}

/* ----- ENLACES DEL MENÚ ----- */
.navbar-nav .nav-link {
    color: var(--color-text-secondary) !important;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    padding: 0.5rem 0.75rem !important;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link:active {
    color: var(--color-accent-blue) !important;
}

/* ----- DROPDOWN (escritorio) ----- */
@media (min-width: 768px) {
    /* Hover para abrir dropdown en escritorio */
    .dropdown:hover .dropdown-menu {
        display: block;
    }

    .dropdown-menu {
        background-color: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
        padding: 0.5rem 0;
        margin-top: 0;
        min-width: 180px;
    }

    .dropdown-item {
        color: var(--color-text-secondary);
        font-size: 0.75rem;
        padding: 0.5rem 1.2rem;
        transition: background-color 0.3s ease, color 0.3s ease;
    }

    .dropdown-item:hover {
        background-color: var(--color-accent-blue);
        color: var(--color-white);
    }
}

/* ----- MÓVIL (≤ 767px) ----- */
@media (max-width: 767px) {
    .nav-container {
        padding: 0 1rem;
    }

    /* Botón hamburguesa: icono blanco */
    .navbar-toggler {
        border: none !important;
        padding: 0.4rem !important;
    }

    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(232, 237, 245, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    }

    /* Menú desplegable en móvil: fondo oscuro y padding */
    .navbar-collapse {
        background-color: var(--color-bg-secondary);
        padding: 1rem 1.5rem;
        border-radius: var(--radius-sm);
        border: 1px solid var(--color-border);
        margin-top: 0.5rem;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        max-height: 80vh;
        overflow-y: auto;
    }

    .navbar-nav .nav-link {
        padding: 0.7rem 0 !important;
        border-bottom: 1px solid rgba(148, 163, 184, 0.1);
        font-size: 0.9rem;
    }

    .navbar-nav .nav-link:hover {
        color: var(--color-accent-blue) !important;
    }

    /* Dropdown en móvil: sin hover, solo clic */
    .dropdown-menu {
        background-color: transparent !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0.5rem 0 0.5rem 1rem !important;
        margin: 0 !important;
        border-radius: 0 !important;
    }

    .dropdown-item {
        color: var(--color-text-secondary) !important;
        padding: 0.5rem 0 !important;
        font-size: 0.85rem;
        border-bottom: 1px solid rgba(148, 163, 184, 0.05);
    }

    .dropdown-item:hover {
        background-color: transparent !important;
        color: var(--color-accent-blue) !important;
    }

    /* Ajuste del dropdown-toggle para que no se vea raro */
    .dropdown-toggle::after {
        margin-left: 0.5rem;
        vertical-align: middle;
    }
}

/* Ajuste para pantallas muy pequeñas (≤ 400px) */
@media (max-width: 400px) {
    .nav-logo {
        font-size: 0.75rem;
    }
    .nav-logo-img {
        height: 1.4rem;
    }
    .navbar-nav .nav-link {
        font-size: 0.8rem;
        padding: 0.6rem 0 !important;
    }
    .dropdown-item {
        font-size: 0.75rem;
        padding: 0.4rem 0 !important;
    }
    .navbar-collapse {
        padding: 0.8rem 1rem;
    }
}

/* ============================================== */
/* ÓRBITA CELESTIAL (decorativa en hero)         */
/* ============================================== */

.celestial-orbit {
    display: none;
    position: absolute;
    right: 4rem;          /* separación del borde derecho */
    top: 50%;
    transform: translateY(-50%);
    width: 400px;         /* tamaño grande y protagonista */
    height: 400px;
    z-index: 0;
    pointer-events: none;
}

.orbit-system {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Sol: grande y brillante */
.orbit-sun {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70px;
    height: 70px;
    margin: -35px 0 0 -35px;
    background-color: var(--color-accent-amber);
    border-radius: 50%;
    box-shadow: 0 0 50px var(--color-accent-amber);
    z-index: 1;
}

/* Órbita de la Tierra */
.orbit-earth-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 340px;
    height: 340px;
    margin: -170px 0 0 -170px;
    border: 1.5px solid rgba(148, 163, 184, 0.25);
    border-radius: 50%;
    animation: spin-earth 16s linear infinite;
}

/* Tierra */
.orbit-earth {
    position: absolute;
    top: 50%;
    left: 100%;
    width: 28px;
    height: 28px;
    margin: -14px 0 0 -14px;
    background-color: var(--color-accent-blue);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--color-accent-blue);
}

/* Órbita de la Luna */
.orbit-moon-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    margin: -40px 0 0 -40px;
    border: 1px solid rgba(148, 163, 184, 0.15);
    border-radius: 50%;
    animation: spin-moon 6s linear infinite;
}

/* Luna */
.orbit-moon {
    position: absolute;
    top: 50%;
    left: 100%;
    width: 12px;
    height: 12px;
    margin: -6px 0 0 -6px;
    background-color: var(--color-text-secondary);
    border-radius: 50%;
}

/* Animaciones */
@keyframes spin-earth {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes spin-moon {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ── Visible solo a partir de 1090px ── */
@media (min-width: 1090px) {
    .celestial-orbit {
        display: block;
    }
}

/* ── Ajuste para pantallas muy grandes (≥ 1400px) ── */
@media (min-width: 1400px) {
    .celestial-orbit {
        right: 6rem;
        width: 480px;
        height: 480px;
    }
    .orbit-earth-orbit {
        width: 400px;
        height: 400px;
        margin: -200px 0 0 -200px;
    }
    .orbit-sun {
        width: 85px;
        height: 85px;
        margin: -42.5px 0 0 -42.5px;
    }
    .orbit-earth {
        width: 34px;
        height: 34px;
        margin: -17px 0 0 -17px;
    }
    .orbit-moon-orbit {
        width: 100px;
        height: 100px;
        margin: -50px 0 0 -50px;
    }
    .orbit-moon {
        width: 14px;
        height: 14px;
        margin: -7px 0 0 -7px;
    }
}

/* Ajuste fino para que no haya overflow en móvil */
@media (max-width: 767px) {
    .nav-container {
        flex-wrap: nowrap;
    }
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    height: var(--nav-height);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

.nav-logo {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.06em;
    flex-shrink: 0;
    transition: color var(--transition);
}

.nav-logo:hover {
    color: var(--color-accent-amber);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

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

.nav-menu li a {
    display: block;
    padding: 0.35rem 0.55rem;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0.03em;
    white-space: nowrap;
    transition: color var(--transition);
}

.nav-menu li a:hover {
    color: var(--color-accent-blue);
}


/* ============================================== */
/* 5. HERO                                       */
/* ============================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    background: linear-gradient(160deg, #0b1120 0%, #111c2e 100%);
    overflow: hidden;
}

/* Fondo decorativo — sin blur, sin filter pesado */
.hero-background {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.6;
}

.bg-matrix {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse 70% 60% at 65% 35%,
        rgba(59, 130, 246, 0.05) 0%,
        transparent 65%
    );
}

.bg-orb {
    position: absolute;
    width: 500px;
    height: 500px;
    top: 10%;
    right: -15%;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(59, 130, 246, 0.07) 0%,
        transparent 70%
    );
}

/* Contenido hero */
.hero-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--section-pad-v) var(--container-pad);
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.hero-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    max-width: 580px;
    margin-bottom: 2rem;
    line-height: 1.75;
}

.hero-highlight {
    color: var(--color-accent-amber);
    font-weight: 700;
}

/* Tarjeta ADSO */
.adso-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent-blue);
    padding: 1.5rem;
    max-width: 500px;
}

.adso-title {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent-blue);
    margin-bottom: 0.65rem;
}

.adso-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.75;
}

.adso-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.adso-stats .stat {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    line-height: 1;
}

.adso-stats .stat-label {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.3rem;
}


/* ============================================== */
/* 6. REPOSITORIO                                */
/* ============================================== */

.repo-showcase {
    padding: var(--section-pad-v) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-primary);
}

.repo-showcase-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

.repo-description-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 1.25rem 1.5rem;
    margin-bottom: 0.75rem;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.repo-description-card:last-child {
    margin-bottom: 0;
}

.repo-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.75;
    transition: color var(--transition);
}

.repo-description strong {
    color: var(--color-accent-amber);
    transition: color var(--transition);
}

.repo-description-card:hover {
    background-color: var(--color-white);
    border-color: var(--color-accent-blue);
}

.repo-description-card:hover .repo-description {
    color: var(--color-bg-primary);
}

.repo-description-card:hover .repo-description strong {
    color: var(--color-bg-primary);
}


/* ============================================== */
/* 7. ENLACES — SHOWCASE CARDS                   */
/* ============================================== */

.showcase-section {
    padding: var(--section-pad-v) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-primary);
}

.showcase-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* Elementos decorativos internos de la tarjeta — ocultos por requisito */
.card-bg-pattern,
.card-aurora,
.icon-glow,
.card-border {
    display: none;
}

.showcase-card {
    display: block;
    position: relative;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    transition:
        background-color var(--transition),
        border-color var(--transition);
    overflow: hidden;
}

.showcase-card .card-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.card-icon-wrapper {
    position: relative;
    flex-shrink: 0;
}

.card-icon {
    width: 40px;
    height: 40px;
}

.card-badge {
    position: absolute;
    top: -5px;
    right: -10px;
    background-color: var(--color-accent-blue);
    color: var(--color-white);
    font-size: 0.55rem;
    font-weight: 700;
    padding: 1px 5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

.card-text {
    flex: 1;
    min-width: 0;
}

.neon-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent-amber);
    margin-bottom: 0.3rem;
    transition: color var(--transition);
}

.card-subtitle {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.25rem;
    transition: color var(--transition);
}

.card-path {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    opacity: 0.65;
    font-family: 'Courier New', monospace;
    transition: color var(--transition), opacity var(--transition);
}

/* Stats dentro de la showcase card */
.showcase-card .card-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    line-height: 1;
    transition: color var(--transition);
}

.stat-item .stat-label {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition);
}

/* Barra de progreso (card repo) */
.card-progress {
    margin-top: 0.75rem;
}

.showcase-card .progress-bar {
    height: 2px;
    background-color: var(--color-accent-blue);
    margin-bottom: 0.4rem;
    /* el ancho viene del style inline */
}

.progress-text {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color var(--transition);
}

/* Hover showcase card */
.showcase-card:hover {
    background-color: var(--color-white);
    border-color: var(--color-accent-blue);
}

.showcase-card:hover .neon-title {
    color: var(--color-bg-primary);
}

.showcase-card:hover .card-subtitle,
.showcase-card:hover .card-path,
.showcase-card:hover .progress-text {
    color: var(--color-bg-primary);
    opacity: 1;
}

.showcase-card:hover .stat-value {
    color: var(--color-accent-blue);
}

.showcase-card:hover .stat-item .stat-label {
    color: var(--color-bg-primary);
}

.showcase-card:hover .card-badge {
    background-color: var(--color-accent-blue);
}

/* Restaurar icono GitHub a negro cuando el fondo es blanco */
.showcase-card:hover img[src*="github-original"] {
    filter: none;
}


/* ============================================== */
/* 8. HERRAMIENTAS                               */
/* ============================================== */

.tools-section {
    padding: var(--section-pad-v) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-primary);
}

.tools-section > h2 {
    max-width: var(--container-max);
    margin: 0 auto 2rem;
    padding: 0 var(--container-pad);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.tools-grid {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.tool-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.tool-card img {
    width: 36px;
    height: 36px;
}

.tool-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    transition: color var(--transition);
}

.tool-card p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
    transition: color var(--transition);
}

/* Hover herramientas */
.tool-card:hover {
    background-color: var(--color-white);
    border-color: var(--color-accent-blue);
}

.tool-card:hover h3 {
    color: var(--color-accent-blue);
}

.tool-card:hover p {
    color: var(--color-bg-primary);
}

.tool-card:hover img[src*="github-original"] {
    filter: none;
}


/* ============================================== */
/* 9. TRIMESTRES                                 */
/* ============================================== */

.quarters-section {
    padding: var(--section-pad-v) 0;
    border-top: 1px solid var(--color-border);
    /* background-color: var(--color-bg-primary); */
}

.quarters-section > h2 {
    max-width: var(--container-max);
    margin: 0 auto 2rem;
    padding: 0 var(--container-pad);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.quarters-grid {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.quarter-card {
    display: block;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-left: 3px solid transparent;
    padding: 1.5rem;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.quarter-number {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-accent-amber);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    transition: color var(--transition);
}

.quarter-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.45rem;
    transition: color var(--transition);
}

.quarter-card p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
    transition: color var(--transition);
}

/* Hover trimestres */
.quarter-card:hover {
    background-color: var(--color-white);
    border-color: var(--color-accent-blue);
    border-left-color: var(--color-accent-blue);
}

.quarter-card:hover .quarter-number {
    color: var(--color-accent-blue);
}

.quarter-card:hover h3,
.quarter-card:hover p {
    color: var(--color-bg-primary);
}


/* ============================================== */
/* 10. OBJETIVO                                  */
/* ============================================== */

.objective-section {
    padding: var(--section-pad-v) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-primary);
}

.objective-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* Header de la sección */
.objective-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

.objective-icon-wrapper {
    position: relative;
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.objective-orbit {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbit-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--color-border);
}

.orbit-ring:nth-child(1) { width: 100%; height: 100%; }
.orbit-ring:nth-child(2) { width: 72%; height: 72%; }
.orbit-ring:nth-child(3) {
    width: 46%;
    height: 46%;
    border-color: rgba(59, 130, 246, 0.35);
}

.objective-icon {
    position: relative;
    z-index: 1;
    font-size: 1.15rem;
    line-height: 1;
}

.objective-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

/* Descripción */
.objective-description {
    margin-bottom: 2rem;
}

.objective-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 660px;
}

.highlight-text {
    color: var(--color-accent-amber);
    font-weight: 700;
}

/* Divisor "El contenido incluye" */
.objective-content-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.label-line {
    flex: 1;
    max-width: 4rem;
    height: 1px;
    background-color: var(--color-border);
}

.label-text {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

/* Lista constelación */
.constellation-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-bottom: 2rem;
}

.constellation-item {
    position: relative;
    display: flex;
    align-items: stretch;
}

.item-connector {
    width: 3px;
    background-color: var(--color-border);
    margin-right: 0.85rem;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
}

.item-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 0.85rem 1rem;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.item-icon {
    font-size: 1rem;
    line-height: 1;
    flex-shrink: 0;
}

.item-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

/* Ítem destacado */
.constellation-item.highlight .item-connector {
    background-color: var(--color-accent-blue);
}

.constellation-item.highlight .item-content {
    border-color: rgba(59, 130, 246, 0.3);
    background-color: rgba(59, 130, 246, 0.06);
}

.constellation-item.highlight .item-text {
    color: var(--color-text-primary);
    font-weight: 700;
}

/* Hover ítems */
.constellation-item:hover .item-content {
    background-color: var(--color-white);
    border-color: var(--color-accent-blue);
}

.constellation-item:hover .item-text {
    color: var(--color-bg-primary);
}

/* Elementos decorativos ocultos */
.item-glow,
.item-pulse {
    display: none;
}

/* Footer objetivo */
.objective-footer {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.objective-footer .footer-star {
    color: var(--color-accent-amber);
    font-size: 0.65rem;
    line-height: 1;
    flex-shrink: 0;
}

.footer-text {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.06em;
    font-style: italic;
}


/* ============================================== */
/* 11. PROYECTOS                                 */
/* ============================================== */

.projects-section {
    padding: var(--section-pad-v) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-primary);
}

/* Cabecera de proyectos */
.projects-header {
    max-width: var(--container-max);
    margin: 0 auto 2.5rem;
    padding: 0 var(--container-pad);
}

.projects-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    line-height: 1.35;
}

.title-icon {
    display: inline;
    font-style: normal;
}

.projects-description {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    line-height: 1.8;
}

/* Grid de proyectos */
.projects-grid {
    max-width: var(--container-max);
    margin: 0 auto 5rem;
    padding: 0 var(--container-pad);
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.project-card {
    position: relative;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

/* Elemento decorativo — sin display */
.card-glow {
    display: none;
}

/* Imagen */
.card-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background-color: #0c1628;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease, opacity 0.3s ease;
}

.project-card:hover .card-image-wrapper img {
    transform: scale(1.04);
    opacity: 0.85;
}

/* Overlay de imagen */
.image-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(11, 17, 32, 0.78);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity var(--transition);
}

.project-card:hover .image-overlay {
    opacity: 1;
}

.overlay-icon {
    font-size: 1.75rem;
    line-height: 1;
}

.overlay-text {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* Badge de categoría */
.project-badge {
    position: absolute;
    top: 0.7rem;
    left: 0.7rem;
    background-color: var(--color-accent-blue);
    color: var(--color-white);
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 8px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: 2;
    border-radius: var(--radius-sm);
}

/* Contenido de la tarjeta */
.project-card .card-content {
    padding: 1.25rem;
    transition: background-color var(--transition);
}

.project-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    margin-bottom: 0.5rem;
    line-height: 1.3;
    transition: color var(--transition);
}

.project-description {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 0.85rem;
    transition: color var(--transition);
}

/* Etiquetas de tecnología */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.tag {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 7px;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
    letter-spacing: 0.07em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition:
        background-color var(--transition),
        color var(--transition),
        border-color var(--transition);
}

/* Botón "Ver proyecto" */
.card-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    padding: 0.45rem 0.9rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition:
        background-color var(--transition),
        color var(--transition),
        border-color var(--transition);
}

.card-button:hover {
    background-color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    color: var(--color-white);
}

.button-icon,
.button-arrow {
    font-style: normal;
    line-height: 1;
}

/* Hover tarjeta de proyecto */
.project-card:hover {
    background-color: var(--color-white);
    border-color: var(--color-accent-blue);
}

.project-card:hover .card-content {
    background-color: var(--color-white);
}

.project-card:hover .project-name {
    color: var(--color-accent-blue);
}

.project-card:hover .project-description {
    color: var(--color-bg-primary);
}

.project-card:hover .tag {
    background-color: rgba(59, 130, 246, 0.12);
    color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
}

.project-card:hover .card-button {
    border-color: var(--color-accent-blue);
    color: var(--color-accent-blue);
}

.project-card:hover .card-button:hover {
    background-color: var(--color-accent-blue);
    color: var(--color-white);
}

/* Footer de proyectos — barra de puntos */
.projects-footer {
    max-width: var(--container-max);
    margin: 2rem auto 0;
    padding: 1.5rem var(--container-pad) 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.progress-indicator {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: center;
}

.progress-dot {
    width: 10px;
    height: 10px;
    background-color: rgba(148, 163, 184, 0.2);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition);
}

.progress-dot.completed {
    background-color: var(--color-accent-blue);
}

.footer-note {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-align: center;
    line-height: 1.55;
    letter-spacing: 0.03em;
    max-width: 480px;
}


/* ============================================== */
/* FOOTER CON MAPA DE SITIO                       */
/* ============================================== */

footer {
    /* background-color: #060b17; */
    border-top: 1px solid var(--color-border);
    padding: 2.5rem var(--container-pad);
}

.footer-grid {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.footer-col h4.footer-title {
    color: var(--color-text-primary);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-accent-blue);
}

.footer-credits {
    text-align: right;
}

.footer-credits p {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    line-height: 1.75;
    margin-bottom: 0.3rem;
}

.footer-credits strong {
    color: var(--color-text-primary);
}

.footer-credits a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-credits a:hover {
    color: var(--color-accent-blue);
}

.footer-copy {
    margin-top: 0.5rem;
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    .footer-credits {
        text-align: center;
    }
}


/* ============================================== */
/* 13. MEDIA QUERIES — Mobile First              */
/* ============================================== */

/* ── Móvil grande: 480px ─────────────────────── */
@media (min-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .adso-stats {
        gap: 3rem;
    }

    .showcase-container {
        grid-template-columns: 1fr 1fr;
    }
}

/* ── Tablet: 768px ───────────────────────────── */
@media (min-width: 768px) {
    html {
        font-size: 18px;
    }

    :root {
        --container-pad: 2rem;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

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

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

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

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

    .constellation-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.65rem;
    }

    .projects-title {
        font-size: 1.4rem;
    }

    .objective-title {
        font-size: 1.6rem;
    }
}

/* ── Escritorio: 1024px ──────────────────────── */
@media (min-width: 1024px) {
    :root {
        --container-pad: 4rem;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .nav-menu li a {
        font-size: 0.8rem;
        padding: 0.35rem 0.7rem;
    }

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

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

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

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

    .objective-title {
        font-size: 1.75rem;
    }
}

/* ── Escritorio grande: 1280px ───────────────── */
@media (min-width: 1280px) {
    html {
        font-size: 20px;
    }

    .hero-title {
        font-size: 3.75rem;
    }
}

/* ── Ultra wide: 1536px ──────────────────────── */
@media (min-width: 1536px) {
    :root {
        --container-max: 1440px;
    }
}


/* ============================================== */
/* 14. ACCESIBILIDAD                             */
/* ============================================== */

/* Foco visible para teclado */
:focus-visible {
    outline: 2px solid var(--color-accent-blue);
    outline-offset: 3px;
}

/* Respeta la preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .project-card:hover .card-image-wrapper img {
        transform: none;
    }
}