/* ==================================================
   VARIABLES DEL SISTEMA VISUAL
   ================================================== */

:root {
    color-scheme: dark;

    /* Marca */
    --color-primary: #1CB698;
    --color-primary-dark: #148A73;
    --color-on-primary: #071512;

    /* Fondos y superficies */
    --color-background: #101817;
    --color-surface: #182320;
    --color-surface-alt: #202D29;

    /* Texto y jerarquía */
    --color-heading: var(--color-primary);
    --color-text: #FFFFFF;
    --color-text-muted: #B8BDC2;
    --color-description: #FFFFFF;

    /* Líneas y separadores */
    --color-border: rgba(255, 255, 255, 0.12);
    --color-card-border: rgba(28, 182, 152, 0.38);

    /* Tipografía */
    --font-title: "Righteous", sans-serif;
    --font-body: "Work Sans", sans-serif;

    /* Dimensiones generales */
    --content-width: 1200px;
    --header-height: 72px;
    --footer-height: 6rem;

    /* Formas */
    --radius-small: 10px;
    --radius-medium: 18px;
    --radius-large: 28px;

    /* Efectos */
    --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.22);
    --transition: 200ms ease;
}


/* ==================================================
   TEMA CLARO
   Se activará mediante JavaScript
   ================================================== */

:root.light-theme {
    color-scheme: light;

    /* Fondos y superficies */
    --color-background: #EDF2F0;
    --color-surface: #F8FAF9;
    --color-surface-alt: #E2EAE7;

    /* Texto y jerarquía */
    --color-heading: #0F745F;
    --color-text: #1A1D1C;
    --color-text-muted: #5F666B;
    --color-description: #5F666B;

    /* Líneas y separadores */
    --color-border: rgba(26, 29, 28, 0.14);
    --color-card-border: var(--color-border);

    /* Efectos */
    --shadow-soft: 0 12px 30px rgba(23, 33, 31, 0.10);
}


/* ==================================================
   ESTILOS BASE
   ================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    min-height: 100vh;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    transition:
        color var(--transition),
        background-color var(--transition);
}

h1,
h2,
h3 {
    font-family: var(--font-title);
    font-weight: 400;
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

button,
input,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}


/* ==================================================
   ENCABEZADO — MOBILE FIRST
   ================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.header-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(calc(100% - 2rem), var(--content-width));
    height: 100%;
    margin-inline: auto;
}


/* Identidad */

.site-logo {
    font-family: var(--font-title);
    font-size: 1.4rem;
    letter-spacing: 0.04em;
}

.site-logo span {
    color: var(--color-heading);
}


/* Acciones */

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle,
.menu-toggle {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: var(--color-text);
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.theme-toggle:active,
.menu-toggle:active {
    transform: scale(0.94);
}

.theme-toggle:focus-visible,
.menu-toggle:focus-visible,
.navigation-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.theme-icon {
    font-size: 1.25rem;
    line-height: 1;
}


/* Botón del menú móvil */

.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.menu-toggle-line {
    width: 20px;
    height: 2px;
    background-color: currentColor;
    border-radius: 999px;
    transition:
        transform var(--transition),
        opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* Navegación móvil */

.main-navigation {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.5rem);

    transition:
        opacity var(--transition),
        visibility var(--transition),
        transform var(--transition),
        background-color var(--transition);
}

.main-navigation.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.navigation-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.navigation-link {
    display: block;
    padding: 0.8rem 1rem;
    color: var(--color-text-muted);
    border-radius: 8px;
    transition:
        color var(--transition),
        background-color var(--transition);
}

.navigation-link:hover,
.navigation-link:focus-visible {
    color: var(--color-primary);
    background-color: var(--color-surface-alt);
}

/* ==================================================
   HERO — MOBILE FIRST
   ================================================== */

.hero {
    position: relative;
    display: grid;
    min-height: calc(100vh - var(--header-height));
    min-height: calc(100dvh - var(--header-height));
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -8rem;
    right: -10rem;
    width: 22rem;
    aspect-ratio: 1;
    background-color: rgba(28, 182, 152, 0.12);
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    align-content: space-evenly;
    gap: 1rem;
    width: min(calc(100% - 2rem), var(--content-width));
    min-height: inherit;
    padding-block: 1.25rem;
    margin-inline: auto;
}


/* Contenido */

.hero-content {
    text-align: left;
}

.hero-eyebrow {
    margin-bottom: 0.65rem;
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-title {
    max-width: 13ch;
    color: var(--color-heading);
    font-size: clamp(2rem, 8vw, 2.7rem);
    line-height: 1.08;
}

.hero-statement {
    max-width: 38rem;
    margin-top: 1rem;
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.5;
}

.hero-description {
    max-width: 38rem;
    margin-top: 0.8rem;
    color: var(--color-description);
    font-size: 1rem;
    line-height: 1.65;
}


/* Botones */

.hero-actions {
    display: flex;
    gap: 0.65rem;
    width: 100%;
    margin-top: 1.25rem;
}

.button {
    display: inline-flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    width: auto;
    min-height: 44px;
    padding: 0.65rem 0.75rem;
    font-size: 0.88rem;
    font-weight: 600;
    text-align: center;
    border: 1px solid transparent;
    border-radius: 10px;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.button:active {
    transform: scale(0.97);
}

.button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.button-primary {
    color: var(--color-on-primary);
    background-color: var(--color-primary);
}

.button-primary:hover {
    background-color: var(--color-primary-dark);
}

.button-secondary {
    color: var(--color-text);
    background-color: transparent;
    border-color: var(--color-border);
}

.button-secondary:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}


/* Redes profesionales */

.hero-socials {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.hero-socials a {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    color: var(--color-text);
    background-color: transparent;
    border: 1px solid var(--color-text-muted);
    border-radius: 50%;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.hero-socials a:hover,
.hero-socials a:focus-visible {
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}


/* Fotografía */

.hero-visual {
    width: min(55vw, 210px);
    margin-inline: auto;
}

.hero-image-frame {
    position: relative;
    isolation: isolate;
    aspect-ratio: 1;
}

.hero-image-frame::before {
    content: "";
    position: absolute;
    inset: 0.45rem -0.45rem -0.45rem 0.45rem;
    z-index: -1;
    border: 2px solid var(--color-primary);
    border-radius: 28px;
    opacity: 0.65;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 28px;
    box-shadow: var(--shadow-soft);
}


/* ==================================================
   SOBRE MÍ — MOBILE FIRST
   ================================================== */

.sobre-mi {
    display: grid;
    align-items: center;
    min-height: calc(100vh - var(--header-height));
    min-height: calc(100dvh - var(--header-height));
    padding-block: 1.25rem;
    background-color: var(--color-surface);
}

.contenedor-seccion {
    width: min(calc(100% - 2rem), var(--content-width));
    margin-inline: auto;
}


/* Encabezado reutilizable */

.encabezado-seccion {
    margin-bottom: 1.25rem;
}

.etiqueta-seccion {
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.titulo-seccion {
    color: var(--color-heading);
    font-size: clamp(1.75rem, 7vw, 2.25rem);
    line-height: 1.15;
}


/* Contenido profesional */

.sobre-mi-contenido {
    display: grid;
    gap: 1.25rem;
}

.sobre-mi-texto {
    display: grid;
    gap: 0.75rem;
}

.sobre-mi-texto p {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.55;
}

.sobre-mi-texto .sobre-mi-introduccion {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
}


/* Indicadores profesionales */

.sobre-mi-indicadores {
    display: grid;
    gap: 0.5rem;
    list-style: none;
}

.sobre-mi-indicador {
    display: grid;
    grid-template-columns: 76px 1fr;
    align-items: center;
    gap: 0.75rem;
    min-height: 68px;
    padding: 0.7rem 0.75rem;
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-small);
}

.sobre-mi-indicador strong {
    color: var(--color-primary);
    font-family: var(--font-title);
    font-size: 1.7rem;
    font-weight: 400;
    line-height: 1;
    text-align: center;
}

.sobre-mi-indicador span {
    color: var(--color-text);
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1.35;
}

/* ==================================================
   FLUJO DE TRABAJO GIS — MOBILE FIRST
   ================================================== */

.workflow-section {
    display: grid;
    align-items: center;
    min-height: calc(100vh - var(--header-height));
    min-height: calc(100dvh - var(--header-height));
    padding-block: 2.5rem;
    background-color: var(--color-background);
}


/* Descripción de la sección */

.descripcion-seccion {
    max-width: 42rem;
    margin-top: 0.75rem;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.6;
}


/* Línea de tiempo */

.flujo-trabajo {
    position: relative;
    display: grid;
    gap: 1rem;
    list-style: none;
}

/* Conexión entre etapas */

.etapa-enfoque:not(:last-child)::before {
    content: "";
    position: absolute;
    top: 24px;
    bottom: calc(-1rem - 24px);
    left: 23px;
    width: 2px;
    background-color: var(--color-border);
}

/* Etapas */

.etapa-enfoque {
    position: relative;
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    align-items: start;
    gap: 1rem;
}

.etapa-numero {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    background-color: var(--color-background);
    font-family: var(--font-title);
    font-size: 1rem;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
}

.etapa-contenido {
    padding: 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
}

.etapa-contenido h3 {
    margin-bottom: 0.5rem;
    color: var(--color-heading);
    font-size: 1.05rem;
    line-height: 1.3;
}

.etapa-contenido > p:not(.etapa-tecnologias) {
    color: var(--color-text);
    font-size: 0.92rem;
    line-height: 1.55;
}

.etapa-tecnologias {
    margin-top: 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.5;
}

/* ==================================================
   PROYECTOS SELECCIONADOS — MOBILE FIRST
   ================================================== */

.projects-section {
    display: grid;
    align-items: center;
    min-height: calc(100vh - var(--header-height));
    min-height: calc(100dvh - var(--header-height));
    padding-block: 2.5rem;
    background-color: var(--color-surface);
}

.projects-section .contenedor-seccion {
    min-width: 0;
}


/* Carrusel */

.projects-carousel {
    width: 100%;
}

.projects-viewport {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    cursor: grab;
    touch-action: pan-y;
    user-select: none;
}

.projects-viewport:active {
    cursor: grabbing;
}

.projects-list.is-dragging {
    transition: none;
}

.projects-list {
    display: flex;
    gap: 1.25rem;
    transition: transform 400ms ease;
}


/* Una tarjeta visible en móvil */

.project-card {
    flex: 0 0 100%;
    min-width: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface-alt);
    border: 2px solid var(--color-card-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-soft);
}


/* Tarjeta completa */

.project-card {
    overflow: hidden;
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-soft);
}


/* Imagen */

.project-image {
    aspect-ratio: 16 / 10;
    margin: 0.75rem 0.75rem 0;
    overflow: hidden;
    background-color: var(--color-background);
    border-radius: var(--radius-small);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* Contenido */

.project-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
}

.project-identification {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.project-number {
    color: var(--color-primary);
    font-family: var(--font-title);
    font-size: 1.15rem;
}

.project-category {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.project-title {
    color: var(--color-heading);
    font-size: 1.3rem;
    line-height: 1.3;
}

.project-summary {
    margin-top: 0.75rem;
    color: var(--color-text);
    font-size: 0.92rem;
    line-height: 1.55;
}

.project-link {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 0.4rem;
    width: fit-content;
    margin-top: auto;
    padding: 1rem 0 0;
    color: var(--color-primary);
    background: none;
    border: none;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
}

.project-link > span {
    transition: transform var(--transition);
}

.project-link:hover > span {
    transform: translateX(0.25rem);
}

.project-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: 2px;
}

/* Controles del carrusel */

.projects-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.projects-button {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    color: var(--color-text);
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-card-border);
    border-radius: 50%;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.projects-button:hover:not(:disabled) {
    color: var(--color-on-primary);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.projects-button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.projects-button:disabled {
    opacity: 0.4;
    cursor: default;
}

.projects-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0.5rem;
    gap: 0.5rem;
}

/* Puntos de paginación */

.projects-dot {
    width: 0.55rem;
    height: 0.55rem;
    padding: 0;
    background-color: var(--color-text-muted);
    border: none;
    border-radius: 999px;
    opacity: 0.45;
    transition:
        width var(--transition),
        opacity var(--transition),
        background-color var(--transition);
}

.projects-dot:hover {
    opacity: 0.8;
}

.projects-dot:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.projects-dot.is-active {
    width: 1.5rem;
    background-color: var(--color-primary);
    opacity: 1;
}


/* ==================================================
   PROJECT DIALOG
   ================================================== */

body.dialog-open {
    overflow: hidden;
}

.project-dialog {
    width: calc(100% - 1rem);
    max-width: 70rem;
    max-height: calc(100dvh - 1rem);
    margin: auto;
    padding: 0;
    overflow: hidden;

    color: var(--color-text);
    background-color: var(--color-surface);
    border: 2px solid var(--color-card-border, var(--color-border));
    border-radius: 1rem;

    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.35);
}

.project-dialog::backdrop {
    background-color: rgba(5, 15, 13, 0.78);
    backdrop-filter: blur(0.25rem);
}

.project-dialog[open] {
    animation: project-dialog-enter 220ms ease-out;
}

.project-dialog-container {
    position: relative;
    max-height: calc(100dvh - 1rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;

    background-color: var(--color-surface);
}

.project-dialog-close {
    position: sticky;
    top: 1rem;
    z-index: 10;

    display: grid;
    place-items: center;

    width: 2.75rem;
    height: 2.75rem;
    margin: 1rem 1rem -3.75rem auto;
    padding: 0;

    color: var(--color-heading);
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 50%;

    font: inherit;
    font-size: 1.4rem;
    line-height: 1;

    cursor: pointer;

    transition:
        color 180ms ease,
        background-color 180ms ease,
        border-color 180ms ease,
        transform 180ms ease;
}

.project-dialog-close:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: rotate(6deg);
}

.project-dialog-close:focus-visible {
    outline: 0.2rem solid var(--color-primary);
    outline-offset: 0.2rem;
}

@keyframes project-dialog-enter {
    from {
        opacity: 0;
        transform: translateY(1rem) scale(0.985);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Accesibilidad: no corresponde a un breakpoint de pantalla. */
@media (prefers-reduced-motion: reduce) {
    .project-dialog[open] {
        animation: none;
    }

    .project-dialog-close {
        transition: none;
    }
}

/* ==================================================
   PROJECT CASE HEADER
   ================================================== */

.project-dialog-content {
    padding: 0.75rem;
}

.project-case-header {
    display: grid;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.project-case-heading {
    padding-top: 0.25rem;
    padding-right: 3.75rem;
}

.project-dialog-category {
    margin-bottom: 0.35rem;

    color: var(--color-primary);

    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-dialog-title {
    margin: 0;

    color: var(--color-heading);

    font-family: var(--font-title);
    font-size: clamp(1.75rem, 7.2vw, 2.25rem);
    font-weight: 400;
    line-height: 1.08;
}

.project-dialog-tagline {
    max-width: 38rem;
    margin-top: 0.75rem;

    color: var(--color-text-muted);

    font-size: 0.95rem;
    line-height: 1.5;
}

.project-dialog-image {
    width: 100%;
    margin: 0;
    overflow: hidden;

    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 0.875rem;
}

.project-dialog-image img {
    display: block;

    width: 100%;
    aspect-ratio: 4 / 3;

    object-fit: cover;
    object-position: center;
}

/* ==================================================
   PROJECT CASE METADATA
   ================================================== */

.project-case-metadata {
    display: grid;
    gap: 0.875rem;

    margin: 0;
    padding-block: 1rem;

    border-bottom: 1px solid var(--color-border);
}

.project-case-metadata > div {
    min-width: 0;
    padding-left: 0.875rem;
    border-left: 2px solid var(--color-primary);
}

.project-case-metadata dt {
    color: var(--color-text-muted);

    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-case-metadata dd {
    margin: 0.2rem 0 0;

    color: var(--color-heading);

    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.35;

    overflow-wrap: anywhere;
}

/* ==================================================
   PROJECT CASE MAP
   ================================================== */

.project-case-map {
    padding-block: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.project-case-map-header {
    margin-bottom: 1rem;
}

.project-case-map-header h3 {
    margin: 0;

    color: var(--color-heading);

    font-family: var(--font-title);
    font-size: 1.4rem;
    font-weight: 400;
    line-height: 1.2;
}

.project-case-map-header p {
    margin-top: 0.35rem;

    color: var(--color-text-muted);

    font-size: 0.9rem;
    line-height: 1.5;
}

.project-dialog-map {
    position: relative;
    z-index: 0;
    isolation: isolate;

    width: 100%;
    height: 18rem;
    overflow: hidden;

    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 0.875rem;
}

/* ==================================================
   PROJECT CASE NARRATIVE
   ================================================== */

.project-case-narrative {
    max-width: 52rem;
    margin-inline: auto;
    padding-block: 1.5rem;
}

.project-case-section {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    column-gap: 0.75rem;
    row-gap: 0.75rem;

    padding-block: 1.5rem;
}

/*
   En móvil permite que el número, el título y el texto
   participen directamente en la cuadrícula.
*/
.project-case-section > div {
    display: contents;
}

.project-case-section:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.project-case-number {
    align-self: baseline;

    margin: 0;
    padding: 0;

    color: var(--color-primary);

    font-family: var(--font-title);
    font-size: 1.1rem;
    line-height: 1.25;
}

.project-case-section h3 {
    grid-column: 2;
    align-self: baseline;

    margin: 0;

    color: var(--color-heading);

    font-family: var(--font-title);
    font-size: 1.4rem;
    font-weight: 400;
    line-height: 1.25;
}

/*
   En móvil, el párrafo y la lista utilizan todo
   el ancho disponible, sin sangría lateral.
*/
.project-case-section p:not(.project-case-number),
.project-case-solution {
    grid-column: 1 / -1;
}

.project-case-section p:not(.project-case-number) {
    margin: 0;

    color: var(--color-text);

    font-size: 0.95rem;
    line-height: 1.7;
}

.project-case-solution {
    display: grid;
    gap: 0.75rem;

    margin: 0;
    padding: 0;

    list-style: none;
}

.project-case-solution li {
    position: relative;

    padding-left: 1.25rem;

    color: var(--color-text);

    font-size: 0.95rem;
    line-height: 1.7;
}

.project-case-solution li::before {
    content: "";

    position: absolute;
    top: 0.7em;
    left: 0;

    width: 0.5rem;
    height: 0.125rem;

    background-color: var(--color-primary);
    border-radius: 999px;
}

/* ==================================================
   PROJECT CASE TECHNOLOGIES
   ================================================== */

.project-case-technologies {
    display: grid;
    gap: 1rem;

    max-width: 52rem;
    margin: 0 auto 1rem;
    padding: 1.5rem;

    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 0.875rem;
}

.project-case-technologies h3 {
    margin: 0;

    color: var(--color-heading);

    font-family: var(--font-title);
    font-size: 1.3rem;
    font-weight: 400;
    line-height: 1.25;
}

.project-case-technologies ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;

    margin: 0;
    padding: 0;

    list-style: none;
}

.project-case-technologies li {
    padding: 0.5rem 0.75rem;

    color: var(--color-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;

    font-size: 0.8rem;
    font-weight: 700;
    line-height: 1.2;
}

/* ==================================================
   CONTACT
   ================================================== */

.contact-section {
    display: flex;
    align-items: center;

    min-height: calc(100svh - 4rem);
    padding: 3rem 1rem 2rem;
}

.contact-container {
    display: grid;
    gap: 2.5rem;

    width: 100%;
    max-width: 70rem;
    margin-inline: auto;
}

/* ==================================================
   CONTACT INTRO
   ================================================== */

.contact-intro {
    max-width: 38rem;
}

.contact-title {
    margin: 0;

    color: var(--color-heading);

    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 400;
    line-height: 1.2;
}

.contact-description {
    max-width: 34rem;
    margin: 1rem 0 0;

    color: var(--color-text);

    font-size: 1rem;
    line-height: 1.7;
}

/* ==================================================
   CONTACT FORM
   ================================================== */

.contact-form {
    display: grid;
    gap: 1.25rem;

    padding: 1.25rem;

    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 1.25rem;
}

.contact-field {
    display: grid;
    gap: 0.5rem;
}

.contact-field label {
    color: var(--color-heading);

    font-size: 0.85rem;
    font-weight: 700;
}

.contact-field input,
.contact-field textarea {
    width: 100%;
    padding: 0.9rem 1rem;

    color: var(--color-text);
    background-color: transparent;

    font: inherit;
    line-height: 1.5;

    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    outline: none;

    transition:
        border-color 180ms ease,
        box-shadow 180ms ease;
}

.contact-field textarea {
    min-height: 9rem;

    resize: none;
}

.contact-field input::placeholder,
.contact-field textarea::placeholder {
    color: var(--color-text);
    opacity: 0.6;
}

.contact-field input:hover,
.contact-field textarea:hover {
    border-color: var(--color-primary);
}

.contact-field input:focus,
.contact-field textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem
        color-mix(in srgb, var(--color-primary) 18%, transparent);
}

/* ==================================================
   CONTACT BUTTON
   ================================================== */

.contact-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;

    width: 100%;
    min-height: 3rem;
    padding: 0.8rem 1.25rem;

    color: var(--color-surface);
    background-color: var(--color-primary);

    font: inherit;
    font-weight: 700;

    border: 1px solid var(--color-primary);
    border-radius: 999px;
    cursor: pointer;

    transition:
        transform 180ms ease,
        filter 180ms ease;
}

.contact-submit:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
}

.contact-submit:active {
    transform: translateY(0);
}

.contact-submit:focus-visible {
    outline: 0.2rem solid var(--color-primary);
    outline-offset: 0.2rem;
}

.contact-submit:disabled {
    cursor: wait;
    opacity: 0.7;
    transform: none;
}

/* ==================================================
   CONTACT STATUS
   ================================================== */

.contact-status {
    min-height: 1.5rem;
    margin: 0;

    color: var(--color-text);

    font-size: 0.9rem;
    line-height: 1.5;
    text-align: center;
}

.contact-status.is-success {
    color: var(--color-primary);
}

.contact-status.is-error {
    color: #d9534f;
}


/* ==================================================
   FOOTER
   ================================================== */

.site-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    transition:
        background-color var(--transition),
        border-color var(--transition);
}

.footer-container {
    display: grid;
    justify-items: center;
    gap: 1rem;

    width: min(calc(100% - 2rem), var(--content-width));
    margin-inline: auto;
    padding-block: 2rem;

    text-align: center;
}

.footer-logo {
    font-size: 1.25rem;
}

.footer-copy {
    margin: 0;

    color: var(--color-text-muted);

    font-size: 0.85rem;
    line-height: 1.5;
}

.footer-top-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;

    color: var(--color-primary);

    font-size: 0.9rem;
    font-weight: 600;

    transition:
        color var(--transition),
        transform var(--transition);
}

.footer-top-link:hover {
    color: var(--color-heading);
    transform: translateY(-2px);
}

.footer-top-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-small);
}