@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;700&family=Inter:wght@300;400;600;800&display=swap');

:root{
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --color-accent: #C9C418; /* Amarillo neón vibrante */
    --color-accent-hover: #fef08a; /* Amarillo más claro y brillante para el hover */
    --color-danger: #ef4444;
    --color-danger-hover: #dc2626;
    --color-success: #22c55e;
    --color-success-hover: #16a34a;

    /* AÑADIMOS LAS VARIABLES DE FUENTES AQUÍ */
    --font-main: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;

    --border-soft: rgba(148, 163, 184, 0.32);
    --border-soft-strong: rgba(148, 163, 184, 0.45);
    --overlay-nav: rgba(15, 23, 42, 0.9);
    --overlay-surface: rgba(30, 41, 59, 0.72);
    --overlay-surface-strong: rgba(30, 41, 59, 0.85);
    --overlay-light: rgba(248, 250, 252, 0.1);
    --overlay-light-strong: rgba(248, 250, 252, 0.2);

    --shadow-soft: rgba(2, 6, 23, 0.35);
    --shadow-medium: rgba(2, 6, 23, 0.5);
    --shadow-accent: rgba(250, 204, 21, 0.4);

    --message-success-bg: rgba(34, 197, 94, 0.18);
    --message-success-text: #bbf7d0;
    --message-success-border: rgba(34, 197, 94, 0.4);
    --message-error-bg: rgba(239, 68, 68, 0.16);
    --message-error-text: #fecaca;
    --message-error-border: rgba(239, 68, 68, 0.4);

    /* Compatibilidad con variables existentes */
    --color-primary-gold: var(--color-accent);
    --color-secondary-green: var(--color-accent-hover);
    --color-primary-sky: #38bdf8;
    --color-blue: var(--bg-secondary);
    --color-dark: var(--bg-primary);
    --color-white: var(--text-primary);
    --anchor-offset: 6rem;
}

html,body{
    height: 100%;
    min-height: 100vh;
    font-size: 62.5%;
    box-sizing: border-box;
    /* CAMBIAMOS LA FUENTE BASE AQUÍ */
    font-family: var(--font-main);
    scroll-behavior: smooth;
}
/* Compensa el header fijo al navegar con #anchors */
html {
    scroll-padding-top: var(--anchor-offset);
}

section[id] {
    scroll-margin-top: var(--anchor-offset);
}

@media (max-width: 768px) {
    :root {
        --anchor-offset: 12rem;
    }
}

*, *::after, *::before{
    box-sizing: inherit;
}

body{
    margin: 0;
    line-height: 1.6; /* Espaciado entre líneas */
    color: var(--text-primary); /* Color de texto base */
    background-color: var(--bg-primary); /* Fondo principal dark */
    display: flex;
    flex-direction: column;
}
main{
    flex-grow:1;  /* Hace que el main se expanda para rellenar el espacio libre */
}


main h2 {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -1px;
    text-align: center;
    margin-bottom: 2rem;
}

/* Estilos del Footer */
footer {
    color: var(--color-white); /* Texto blanco */
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
}

footer a {
    color: var(--color-accent); /* Enlaces en el footer */
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.project-card img {
    filter: grayscale(100%);
    transition: filter 0.4s ease-in-out;
}

.project-card:hover img {
    filter: grayscale(0%);
}

.skills-grid {
    justify-items: stretch;
}

.skill-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
}