/* /var/www/html/assets/google-dark.css */

/* --- FUENTES Y VARIABLES --- */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

:root {
    --bg-color: #121212;
    --bg-surface: #1e1e1e;
    --bg-surface-hover: #2a2a2a;
    --text-primary: #e8eaed;
    --text-secondary: #9e9e9e;
    --border-color: rgba(255, 255, 255, 0.12);
    --primary-accent: #8ab4f8; /* Un azul clásico de Google */
    --primary-accent-hover: #a5c5f7;
}

/* --- RESET Y BASE --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { color-scheme: dark; }
body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- LAYOUT PRINCIPAL Y CABECERA --- */
.header {
    background-color: rgba(30, 30, 30, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.2s ease-in-out;
}
.nav-links a:hover { color: var(--text-primary); }
.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4rem 1rem;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    gap: 4rem;
    flex-grow: 1;
}
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-surface);
}
.footer a {
    color: var(--primary-accent);
    text-decoration: none;
    font-weight: 500;
}
.footer a:hover { text-decoration: underline; }

/* --- SECCIONES Y COMPONENTES --- */
.hero {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}
.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    max-width: 700px;
}
.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
}
.cta-button {
    background-color: var(--primary-accent);
    color: var(--bg-color);
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    display: inline-block; 
    transition: background-color 0.2s ease, transform 0.2s ease;
    border: none;
}
.cta-button:hover {
    background-color: var(--primary-accent-hover);
    transform: translateY(-2px);
}
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    width: 100%;
}
.tool-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.tool-card:hover {
    background-color: var(--bg-surface-hover);
    transform: translateY(-4px);
}
.tool-card .icon {
    color: var(--primary-accent);
    background-color: rgba(138, 180, 248, 0.1);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.tool-card h3 {
    font-size: 1.25rem;
    font-weight: 500;
}
.tool-card p { color: var(--text-secondary); }

.form-input {
    width: 100%;
    background-color: rgba(50, 50, 62, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.form-input {
    width: 100%;
    background-color: rgba(50, 50, 62, 0.8);
    border: 2px solid var(--border-color);
    color: var(--text-light);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.hover-underline {
    font-size: 1rem;
    color: #ffffff;
    position: relative;
    display: inline-block;
    border: 2px solid var(--border);
}

.hover-underline::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary-accent-hover), var(--primary-accent), var(--primary-accent-hover));
    bottom: -5px;
    left: 0;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.2s ease-out;
    border-radius: 1rem;
}

.hover-underline::before {
    transform-origin: center;
}

.hover-underline:hover::before {
    transform: scaleX(1);
}
.header-logo {
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    transition: color 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.header-logo:hover {
    color: var(--primary-accent);
    transform: scale(1.05);
}
.tool-card2 {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.line {
            width: 100%;
            height: 4px;
            background-color: var(--border-color);
            margin: 0.5rem 0;
            border-radius: 4px;
        }