/* ==========================================================
   Jorge Infante — Portfolio
   Tipografía: IBM Plex Sans (texto) + IBM Plex Mono (acentos)
   Tema oscuro por defecto, claro vía [data-theme="light"]
   ========================================================== */

:root {
    --bg: #101418;
    --surface: #151a20;
    --text: #dde3e9;
    --muted: #8b95a1;
    --accent: #f2c14e;
    --line: #232b33;

    --font-sans: "IBM Plex Sans", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;

    --container: 780px;
}

[data-theme="light"] {
    --bg: #ffffff;
    --surface: #f7f8fa;
    --text: #15181d;
    --muted: #667085;
    --accent: #4338ca;
    --line: #e8eaee;
}

/* ---------- Base ---------- */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

::selection {
    background: var(--accent);
    color: var(--bg);
}

a {
    color: inherit;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: color-mix(in srgb, var(--bg) 85%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.brand {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.brand-prompt,
.path {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-decoration: none;
    color: var(--muted);
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text);
}

/* Botón de tema */
.theme-toggle {
    background: none;
    border: 1px solid var(--line);
    border-radius: 999px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

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

.theme-icon {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--text);
    box-shadow: inset -4px -3px 0 0 var(--bg);
    transition: box-shadow 0.25s ease, background 0.25s ease;
}

[data-theme="light"] .theme-icon {
    box-shadow: none;
    background: var(--accent);
}

/* Menú hamburguesa */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */

.hero {
    padding: 6rem 1.5rem 4rem;
}

.prompt-line {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0 0 1rem;
}

.hero h1 {
    font-size: clamp(2.2rem, 6vw, 3.4rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 0 0 0.75rem;
}

.hero-role {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    color: var(--accent);
    min-height: 1.7em;
    margin: 0 0 1.5rem;
}

.cursor {
    display: inline-block;
    width: 9px;
    height: 1.15em;
    background: var(--accent);
    vertical-align: text-bottom;
    margin-left: 3px;
    animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero-desc {
    max-width: 34rem;
    color: var(--muted);
    margin: 0;
}

/* ---------- Secciones ---------- */

.section {
    padding: 3.5rem 1.5rem;
    border-top: 1px solid var(--line);
}

h2 {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin: 0 0 2rem;
}

/* ---------- Experiencia ---------- */

.timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 2.25rem;
}

.job-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.job h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
}

.years {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted);
    white-space: nowrap;
}

.position {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    margin: 0.25rem 0 0.5rem;
}

.description {
    color: var(--muted);
    margin: 0;
    max-width: 38rem;
}

/* ---------- Skills ---------- */

.tags {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tags li {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--muted);
    transition: border-color 0.2s ease, color 0.2s ease;
}

.tags li:hover {
    border-color: var(--accent);
    color: var(--text);
}

/* ---------- Proyectos ---------- */

.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.card p {
    color: var(--muted);
    margin: 0;
    flex-grow: 1;
}

.card-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    text-decoration: none;
    margin-top: 0.5rem;
}

.card-link:hover {
    text-decoration: underline;
}

/* ---------- Contacto ---------- */

.contact-form {
    max-width: 34rem;
    display: grid;
    gap: 1.25rem;
}

.field {
    display: grid;
    gap: 0.4rem;
}

.field label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted);
}

input,
textarea {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0.7rem 0.9rem;
    width: 100%;
    transition: border-color 0.2s ease;
    resize: vertical;
}

input:focus,
textarea:focus {
    border-color: var(--accent);
    outline: none;
}

.contact-form button[type="submit"] {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--bg);
    background: var(--accent);
    border: none;
    border-radius: 8px;
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    justify-self: start;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.contact-form button[type="submit"]:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

/* ---------- Footer ---------- */

.site-footer {
    border-top: 1px solid var(--line);
    padding: 2rem 0;
}

.site-footer p {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted);
    margin: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
        display: none;
        padding: 0.5rem 0 1rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 0.9rem 1.5rem;
    }

    .theme-toggle {
        margin: 0.75rem 1.5rem 0;
    }

    .hero {
        padding-top: 4rem;
    }
}

/* ---------- Accesibilidad: menos movimiento ---------- */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}