/* =========================
   HI7903B — dreampunk skin
   minimalismo / calma / nocturno
========================= */

:root {
    --bg: #0b0e12;
    --bg-soft: #11151b;

    --text: #c7d0d9;
    --text-dim: #7f8b96;

    --accent: #7bdff2;
    --accent-soft: #3a6b74;

    --border: #1c2530;

    --max-width: 760px;

    --font-main: "Inter", "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: radial-gradient(circle at top, #131922 0%, var(--bg) 55%);
    color: var(--text);

    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.8;

    min-height: 100vh;

    display: flex;
    justify-content: center;

    padding: 4rem 1.5rem;

    letter-spacing: 0.2px;
}

/* contenedor principal */

main {
    width: 100%;
    max-width: var(--max-width);
}

/* títulos */

h1 {
    font-size: 2.4rem;
    font-weight: 600;

    margin-bottom: 0.4rem;

    letter-spacing: 1px;
}

h1::after {
    content: "_";
    color: var(--accent);

    animation: blink 1.2s infinite;
}

h2 {
    font-size: 0.95rem;
    font-weight: 400;

    color: var(--text-dim);

    margin-bottom: 3rem;

    text-transform: lowercase;

    letter-spacing: 2px;
}

/* párrafos */

p {
    margin-bottom: 1.5rem;

    color: var(--text);
}

/* links */

a {
    color: var(--accent);

    text-decoration: none;

    transition:
        color 0.25s ease,
        opacity 0.25s ease;
}

a:hover {
    color: #b2f1ff;
}

/* Enlace a "En Defensa de la grabación pobre"*/

.essay-link {
    margin-top: 2.5rem;
}

.essay-link a {
    font-size: 0.95rem;
    opacity: 0.75;

    transition: opacity 0.25s ease;
}

.essay-link a:hover {
    opacity: 1;
}


/* navegación minimalista */

nav {
    margin-top: 3rem;

    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

nav a {
    border: 1px solid var(--border);

    padding: 0.55rem 0.9rem;

    border-radius: 6px;

    background: rgba(255,255,255,0.02);

    font-family: var(--font-mono);
    font-size: 0.9rem;

    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s ease;
}

nav a:hover {
    background: rgba(123, 223, 242, 0.08);
    border-color: var(--accent-soft);

    transform: translateY(-1px);
}

/* separadores suaves */

hr {
    border: none;
    border-top: 1px solid var(--border);

    margin: 3rem 0;
}

/* footer */

footer {
    margin-top: 5rem;

    color: var(--text-dim);

    font-size: 0.85rem;

    opacity: 0.7;
}

/* selección de texto */

::selection {
    background: rgba(123, 223, 242, 0.2);
    color: white;
}

/* scrollbar */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: #1b2733;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #253444;
}

/* pequeño parpadeo */

@keyframes blink {
    0%, 49% {
        opacity: 1;
    }

    50%, 100% {
        opacity: 0;
    }
}

/* responsive */

@media (max-width: 640px) {

    body {
        padding: 2rem 1.2rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        margin-bottom: 2rem;
    }

    nav {
        gap: 0.7rem;
    }

    nav a {
        width: 100%;
        text-align: center;
    }
}