/* ===== Variables ===== */
:root {
    --bg: #0b0f17;
    --bg-soft: #111827;
    --header-bg: rgba(0, 0, 0, 0.2);
    --card: #0f172a;
    --chip: #0b0f17;
    --chip-bg: linear-gradient(135deg, var(--brand), var(--brand-2));
    --highlight-20: rgba(255, 255, 255, 0.2);
    --highlight-10: rgba(255, 255, 255, 0.1);
    --highlight-01: rgba(255, 255, 255, 0.01);
    --text: #e5e7eb;
    --muted: #94a3b8;
    --brand: #60a5fa;
    --brand-2: #34d399;
    --shadow: 0 10px 25px rgba(0, 0, 0, .35);
    --radius: 16px;
    --maxw: 1100px;
    /* Iconos */
    --pdf-icon: url(icon/svg/pdf-black.svg);
    --github-icon: url(icon/svg/github-white.svg);
    --theme-icon: url(icon/svg/sun-white.svg);
    --menu-icon: url(icon/svg/menu-white.svg);
    --close-icon: url(icon/svg/close-white.svg);
    /* Chips */
    --html-icon: url(icon/svg/html5-black.svg);
    --css-icon: url(icon/svg/css3-black.svg);
    --xml-icon: url(icon/svg/xml-black.svg);
    --javascript-icon: url(icon/svg/javascript-black.svg);
    --qt-icon: url(icon/svg/qt-black.svg);
    --java-icon: url(icon/svg/java-black.svg);
    --python-icon: url(icon/svg/python-black.svg);
    --kotlin-icon: url(icon/svg/kotlin-black.svg);
    --firebase-icon: url(icon/svg/firebase-black.svg);
    --postgresql-icon: url(icon/svg/postgresql-black.svg);
    --mysql-icon: url(icon/svg/mysql-black.svg);
    --github-brand-icon: url(icon/svg/github-black.svg);
    --git-icon: url(icon/svg/git-black.svg);
    --vscode-icon: url(icon/svg/vscode-black.svg);
    --intellij-icon: url(icon/svg/intellij-black.svg);
    --androidstudio-icon: url(icon/svg/androidstudio-black.svg);
    --postman-icon: url(icon/svg/postman-black.svg);
}

/* Tema claro */
[data-theme="light"] {
    --bg: #f9fafb;
    --bg-soft: #f3f4f6;
    --header-bg: rgba(255, 255, 255, 0.2);
    --card: #ffffff;
    --chip: #ffffff;
    --highlight-20: rgba(0, 0, 0, 0.2);
    --highlight-10: rgba(0, 0, 0, 0.10);
    --highlight-01: rgba(0, 0, 0, 0.20);
    --text: #1f2937;
    --muted: #6b7280;
    --brand: #2563eb;
    --brand-2: #059669;
    --shadow: 0 4px 12px rgba(0, 0, 0, .08);
    /* Iconos */
    --pdf-icon: url(icon/svg/pdf-white.svg);
    --github-icon: url(icon/svg/github-black.svg);
    --theme-icon: url(icon/svg/moon-black.svg);
    --menu-icon: url(icon/svg/menu-black.svg);
    --close-icon: url(icon/svg/close-black.svg);
    /* Chips */
    --html-icon: url(icon/svg/html5-white.svg);
    --css-icon: url(icon/svg/css3-white.svg);
    --xml-icon: url(icon/svg/xml-white.svg);
    --javascript-icon: url(icon/svg/javascript-white.svg);
    --qt-icon: url(icon/svg/qt-white.svg);
    --java-icon: url(icon/svg/java-white.svg);
    --python-icon: url(icon/svg/python-white.svg);
    --kotlin-icon: url(icon/svg/kotlin-white.svg);
    --firebase-icon: url(icon/svg/firebase-white.svg);
    --postgresql-icon: url(icon/svg/postgresql-white.svg);
    --mysql-icon: url(icon/svg/mysql-white.svg);
    --github-brand-icon: url(icon/svg/github-white.svg);
    --git-icon: url(icon/svg/git-white.svg);
    --vscode-icon: url(icon/svg/vscode-white.svg);
    --intellij-icon: url(icon/svg/intellij-white.svg);
    --androidstudio-icon: url(icon/svg/androidstudio-white.svg);
    --postman-icon: url(icon/svg/postman-white.svg);
}

/* ===== Estilo básico ===== */
* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Alexandria';
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

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

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

.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header / Navbar ===== */
header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(140%) blur(10px);
    background: var(--header-bg);
    border-bottom: 1px solid var(--highlight-20);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 16px;
    padding: 14px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--chip-bg);
    display: grid;
    place-items: center;
    font-weight: 700;
    color: var(--chip);
    box-shadow: var(--shadow);
}

.title {
    font-weight: 700;
    letter-spacing: 0.3px;
}

#nav-menu ul {
    display: flex;
    gap: 14px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

#nav-menu a {
    padding: 8px 12px;
    border-radius: 10px;
    color: var(--muted);
}

#nav-menu a:hover {
    background: var(--highlight-10);
    color: var(--text);
}

.btn {
    border: 1px solid var(--highlight-01);
    padding: 10px 14px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(180deg, var(--highlight-10), var(--highlight-01));
    box-shadow: var(--shadow);
    cursor: pointer;
}

.btn--primary {
    border-color: transparent;
    background: var(--chip-bg);
    color: var(--chip);
    font-weight: 700;
    transition: color 0.3s;
}

/* ===== Hero ===== */
.hero {
    padding: 42px 0 24px;
}

.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    color: var(--muted);
    border: 1px dashed var(--highlight-20);
}

.hero h1 {
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.2;
    margin: 12px 0 10px;
}

.hero p {
    color: var(--muted);
    max-width: 70ch;
    margin: 0;
}

.hero img {
    height: auto;
    width: 200px;
    border-radius: 50%;
    float: right;
}

/* ===== Secciones ===== */
section {
    padding: 42px 0;
}

.section-title {
    font-size: 22px;
    margin: 0 0 16px;
}

.section-lead {
    color: var(--muted);
    margin: -6px 0 22px;
}

/* ===== Tarjetas de proyectos ===== */
.grid {
    display: grid;
    gap: 18px;
    align-items: stretch;
}

@media(min-width: 700px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(min-width: 1000px) {
    .grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--highlight-01);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-4px);
}

.card-media {
    background: var(--bg-soft);
    display: grid;
    place-items: center;
    color: var(--muted);
    font-size: 14px;
}

.card-media img {
    max-width: 350px;
    max-height: 200px;
}

.card-body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 14px;
    flex: 1;
}

.card h3 {
    margin: 0 0 8px;
    font-size: 18px;
}

.card p {
    margin: 0 0 12px;
    color: var(--muted);
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.chip {
    background: var(--chip-bg);
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--highlight-10);
    font-size: 12px;
    color: var(--chip);
    display: inline-flex;
}

.chip span {
    margin-right: 5px;
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}

.icon {
    width: 18px;
    height: 18px;
    display: inline-block;
}

/* ===== Experiencia ===== */
.timeline {
    display: grid;
    gap: 12px;
}

.item {
    background: var(--card);
    border: 1px solid var(--highlight-01);
    border-radius: 12px;
    padding: 14px;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.item:hover {
    transform: translateY(-4px);
}

.item h3 {
    display: block;
    margin: 0;
    color: var(--brand);
}

.item strong {
    display: block;
    margin-bottom: 4px;
}

.item span {
    color: var(--muted);
    font-size: 14px;
}

/* ===== Tecnologías ===== */
.tech-grid {
    display: grid;
    gap: 14px;
    align-items: stretch;
}

@media(min-width: 800px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.tech-card {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    border-radius: 12px;
    padding: 14px;
}

.tech-card .chips {
    margin-bottom: auto;
}

.tech-card h4 {
    margin: 0 0 10px;
}

/* ===== Contacto y Footer ===== */
.contact {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.contact a {
    color: var(--brand);
}

footer {
    padding: 32px;
    color: var(--muted);
    border-top: 1px solid var(--highlight-20);
}

/* ===== Utilidades ===== */
.pill {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px dashed var(--highlight-20);
    font-size: 12px;
}

.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    user-select: none;
}


/* Responsiveness */
@media(max-width: 500px) {
    .hero img {
        float: none;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 40px;
    }
}

@media(max-width: 700px) {
    .nav-toggle-label {
        display: block;
    }

    #nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 150px;
        background: var(--bg);
        border: 1px solid var(--highlight-10);
        border-radius: 8px;
        padding: 12px;
        box-shadow: var(--shadow);
    }

    .menu-icon {
        background-image: var(--menu-icon);
    }

    #nav-toggle:checked~#nav-menu {
        display: block;
    }


    #nav-menu ul {
        flex-direction: column;
        gap: 12px;
    }
}