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

/* ==========================================
   Global Variables & Base Setup
   ========================================== */
html { scroll-behavior: smooth; }

:root {
    --bg-main: #0a0a0a;
    --bg-surface: #121212;
    --bg-surface-hover: #1a1a1a;
    --border-color: #2a2a2a;
    --accent-red: #E50914;
    --accent-red-hover: #f6131d;
    --accent-glow: rgba(229, 9, 20, 0.15);
    --text-primary: #f5f5f5;
    --text-secondary: #a3a3a3;
    --font-ui: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-ui);
    -webkit-font-smoothing: antialiased;
    background-image: radial-gradient(circle at 50% 0%, var(--accent-glow) 0%, transparent 50%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* ==========================================
   Scrollbar & Selection
   ========================================== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-red); }

::selection { background: rgba(229, 9, 20, 0.3); color: #fff; }

/* ==========================================
   Animations
   ========================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    background-color: #000000 !important; /* Fondo totalmente negro */
    border-bottom: 1px solid rgba(229, 9, 20, 0.4);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.8); /* Sombra para separar del contenido */
    z-index: 1050;
}
.navbar-brand { 
    font-weight: 800; 
    color: #ffffff !important; /* Fuerza la palabra DataSec a blanco */
}
.brand-accent { color: var(--accent-red); }
.nav-link { font-weight: 600; color: var(--text-secondary) !important; transition: 0.3s; }
.nav-link:hover { color: var(--accent-red) !important; }

/* ==========================================
   Typography & Sections
   ========================================== */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 100px 0 50px;
}
.hero-title { 
    font-size: clamp(2.2rem, 8vw, 4rem); 
    font-weight: 800; 
    line-height: 1.1; 
    letter-spacing: -1px; 
}
.hero-subtitle { max-width: 600px; }
.max-w-600 { max-width: 600px; }

/* ==========================================
   Cards & UI Elements
   ========================================== */
.stats-bar {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.feature-card, .module-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    height: 100%;
    transition: 0.3s;
    display: flex;
    flex-direction: column;
}
.feature-card:hover, .module-card:hover {
    background: var(--bg-surface-hover);
    border-color: var(--accent-red);
    transform: translateY(-5px);
}

.module-badge {
    background: rgba(229, 9, 20, 0.1);
    color: var(--accent-red);
    font-size: 0.7rem;
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: 700;
    border: 1px solid rgba(229, 9, 20, 0.2);
    display: inline-block;
}

/* ==========================================
   Buttons
   ========================================== */
.btn-cyber {
    background: var(--accent-red);
    color: #fff;
    font-weight: 700;
    border: none;
    border-radius: 4px;
    box-shadow: 0 4px 15px var(--accent-glow);
    transition: all 0.3s ease;
}
.btn-cyber:hover { background: var(--accent-red-hover); color: #fff; transform: scale(1.02); }

.btn-outline-cyber {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-outline-cyber:hover { border-color: var(--accent-red); color: var(--accent-red); }

/* ==========================================
   Terminal Workspaces
   ========================================== */
.terminal-window {
    background: #000;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}
.terminal-header { background: #1a1a1a; padding: 12px; border-bottom: 1px solid var(--border-color); }
.terminal-body { padding: 20px; font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }
.terminal-cursor {
    display: inline-block;
    width: 7px;
    height: 15px;
    background: var(--accent-red);
    animation: blink 1s step-end infinite;
    vertical-align: middle;
}

.terminal-input { 
    background: transparent !important; 
    background-color: transparent !important;
    border: none !important; 
    color: #ffffff !important; 
    outline: none !important; 
    box-shadow: none !important;
}

.terminal-input:focus {
    background: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
    color: #ffffff !important;
}

.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

/* ==========================================
   Footer
   ========================================== */
.footer-site { border-top: 1px solid var(--border-color); padding: 60px 0 30px; }
.legal-notice { background: var(--bg-surface); padding: 20px; border-radius: 8px; max-width: 800px; border: 1px solid var(--border-color); }
.legal-text { font-size: 0.75rem; color: var(--text-secondary); line-height: 1.6; }
.tiny { font-size: 0.65rem; }

/* ==========================================
   Media Queries
   ========================================== */
@media (max-width: 991px) {
    .hero-section { text-align: center; padding-top: 60px; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
}

@media (max-width: 576px) {
    .btn-cyber, .btn-outline-cyber { width: 100%; }
    .hero-title { font-size: 2.2rem; }
    .container { padding-left: 25px; padding-right: 25px; }
}