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

:root {
    --bg-color: #030406;
    --card-bg: #0b0e14;
    --text-main: #f0f2f5;
    --text-muted: #94a3b8;
    --accent-primary: #0052FF;
    --border-color: #1e293b;
    --font-heading: 'Share Tech Mono', monospace;
    --font-body: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: 
        linear-gradient(rgba(0, 82, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 82, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    color: var(--text-main);
    font-family: var(--font-body);
    margin: 0;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    text-align: center;
    padding: 120px 20px;
    background: radial-gradient(circle at top, #0c121e 0%, #030406 100%);
    border-bottom: 1px solid var(--border-color);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    letter-spacing: -2px;
    margin: 0;
    color: #fff;
}

.logo-text span {
    color: var(--accent-primary);
    font-weight: 300;
}

.role {
    color: var(--accent-primary);
    font-family: 'Fira Code', monospace;
    font-size: 1rem;
    letter-spacing: 3px;
    margin-top: 10px;
}

.tagline {
    color: var(--text-muted);
    max-width: 600px;
    margin: 20px auto 40px;
}

.header-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap; /* Añadido para móviles */
}

/* --- BOTONES BASE --- */
.btn {
    padding: 14px 28px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    box-sizing: border-box;
}

.primary-btn {
    background: var(--accent-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 82, 255, 0.3);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 82, 255, 0.5);
}

.secondary-btn {
    border: 1px solid var(--border-color);
    color: var(--text-main);
    background: transparent;
}

.secondary-btn:hover {
    background: rgba(255,255,255,0.05);
}

/* --- TARJETAS DE SERVICIO (Modificado para alinear botones al fondo) --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 25px;
}

.service-card {
    background: var(--card-bg);
    padding: 40px;
    border-top: 3px solid var(--accent-primary);
    transition: 0.4s;
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Empuja el contenido a los extremos */
    height: 100%;
    box-sizing: border-box;
}

.service-card > div {
    /* Contenedor interno para agrupar icono, titulo y texto arriba */
    margin-bottom: 1.5rem;
}

.service-card:hover {
    transform: translateY(-10px);
    background: #0f172a;
}

.service-card .btn {
    margin-top: auto; /* Ancla el botón al fondo */
    width: 100%;
}

.icon {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 20px;
}

.status-tag {
    display: inline-block;
    margin-top: 20px;
    font-size: 0.7rem;
    border: 1px solid var(--accent-primary);
    padding: 2px 8px;
    color: var(--accent-primary);
    text-transform: uppercase;
    width: fit-content;
}

/* --- SECCIÓN PYTHONIC SENTINEL --- */
.sentinel-tech {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-color) 0%, #06090f 100%);
}

.sentinel-container {
    border: 1px solid var(--border-color);
    padding: 50px;
    background: rgba(0, 82, 255, 0.02);
    border-radius: 4px;
}

.version-tag {
    font-family: 'Fira Code', monospace;
    font-size: 0.7rem;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    padding: 2px 10px;
    border-radius: 10px;
}

.sentinel-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
    margin-top: 30px;
}

.sentinel-lead {
    font-size: 1.15rem;
    color: var(--text-main);
    margin-bottom: 25px;
}

.sentinel-list {
    list-style: none;
    padding: 0;
}

.sentinel-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.sentinel-list li i {
    color: var(--accent-primary);
    margin-top: 5px;
}

/* --- EFECTO VENTANA TERMINAL --- */
.terminal-window {
    background: #011627;
    border-radius: 6px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    overflow: hidden;
    font-family: 'Fira Code', monospace;
}

.terminal-bar {
    background: #1e1e1e;
    padding: 10px;
    display: flex;
    gap: 6px;
    align-items: center;
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }
.terminal-bar .title {
    margin-left: 10px;
    font-size: 0.7rem;
    color: #888;
}

.terminal-body {
    padding: 20px;
    font-size: 0.85rem;
}

.terminal-body p { margin: 5px 0; }
.terminal-body span { color: var(--accent-primary); }
.line3 { color: #ffbd2e; }
.line5 { color: #27c93f; }
.cursor { animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* --- SECCIÓN ARSENAL TÁCTICO --- */
.arsenal-section {
    margin: 80px auto;
}

.arsenal-section .sentinel-header h2 {
    display: flex; 
    justify-content: center; 
    align-items: center; 
    gap: 10px;
}

.arsenal-section .service-card {
    border-color: #2a2a35; /* Un borde ligeramente diferente para destacar del resto */
}

.arsenal-section .icon {
    color: #a78bfa; /* Púrpura táctico */
}

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

.status-code {
    font-family: 'Fira Code', monospace;
    font-size: 0.7rem;
    color: var(--accent-primary);
    margin-top: 10px;
}

/* --- RESPONSIVE GENERAL --- */
@media (max-width: 850px) {
    .sentinel-grid { grid-template-columns: 1fr; }
    .sentinel-container { padding: 30px 20px; }
}