/* =========================================
   VARIABLES & DESIGN TOKENS (Cyberpunk/Hacker)
   ========================================= */
:root {
    /* Paleta Premium Cyberpunk / Hacker */
    --bg-main: #050508;
    --bg-card: rgba(10, 15, 20, 0.65);
    --bg-secondary: rgba(0, 212, 255, 0.03);
    
    --text-main: #e0e0e0;
    --text-dim: #8b8b99;
    
    --accent-green: #00ff41;    /* Matrix Green */
    --accent-cyan: #00e5ff;     /* Tron Cyan */
    --accent-magenta: #ff006e;  /* Synthwave Pink */
    --accent-amber: #ffb300;    /* Warning Amber */
    --accent-purple: #b388ff;   /* Deep Purple */
    
    /* Variables de UI Avanzadas */
    --font-terminal: 'Fira Code', monospace;
    --font-body: 'Outfit', sans-serif;
    
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-border-hover: 1px solid rgba(0, 229, 255, 0.3);
    --glow-shadow: 0 0 20px rgba(0, 229, 255, 0.1);
    --glow-shadow-hover: 0 0 30px rgba(0, 229, 255, 0.25);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* =========================================
   GLOBAL RESET & BASICS
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    /* Para el scroll snap */
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
}

::selection {
    background: var(--accent-magenta);
    color: #fff;
}

/* Canvas de fondo Matrix */
#matrixCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1, h2, h3, h4 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.prompt {
    color: var(--accent-green);
    font-family: var(--font-terminal);
    margin-right: 10px;
}

.neon-text {
    color: #fff;
    text-shadow: 0 0 5px var(--accent-cyan), 0 0 10px var(--accent-cyan), 0 0 20px var(--accent-cyan);
}

.highlight {
    color: var(--accent-green);
    font-family: var(--font-terminal);
    font-weight: 500;
}

/* =========================================
   LAYOUT & CONTAINERS
   ========================================= */
.container {
    width: 100%;
}

.section {
    min-height: 100vh;
    width: 100%;
    padding: 80px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    position: relative;
}

.content-wrapper {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    z-index: 10;
}

.section-title {
    font-size: 2.5rem;
    font-family: var(--font-terminal);
    color: #fff;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

/* =========================================
   COMPONENTS
   ========================================= */

/* Glassmorphism Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: var(--accent-cyan);
}

/* Premium UI Elements */
.premium-glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--glow-shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.premium-glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.premium-glass-card:hover {
    transform: translateY(-5px) scale(1.01);
    border: var(--glass-border-hover);
    box-shadow: var(--glow-shadow-hover);
}

.premium-glass-card:hover::before {
    opacity: 1;
}

/* Tool Tags */
.tag-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.tool-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-family: var(--font-terminal);
    color: var(--text-dim);
    transition: all 0.3s ease;
    cursor: default;
}

.tool-tag:hover {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

/* Terminal Window */
.terminal-window {
    background: #000;
    border: 1px solid #333;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,255,65,0.1);
    width: 100%;
    max-width: 800px;
    margin: 0 auto 30px;
}

.terminal-header {
    background: #1a1a1a;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #333;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
    color: #888;
    font-family: var(--font-terminal);
    font-size: 0.8rem;
    margin-left: 15px;
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-terminal);
    font-size: 1.5rem;
    color: #fff;
}

.cursor {
    animation: blink 1s step-end infinite;
    color: var(--accent-green);
}

/* Botones Premium */
.btn-cyber {
    background: transparent;
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
    padding: 12px 24px;
    font-family: var(--font-terminal);
    font-size: 1rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

.btn-cyber::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.2), transparent);
    transition: left 0.5s;
}

.btn-cyber:hover::before {
    left: 100%;
}

.btn-cyber:hover {
    background: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.4);
    text-shadow: 0 0 5px var(--accent-green);
}

/* Hidden Flag Hint Animation */
@keyframes hintPulse {
    0% { background-color: transparent; }
    5% { background-color: rgba(0, 255, 65, 0.1); }
    10% { background-color: transparent; }
    100% { background-color: transparent; }
}

.hidden-flag {
    position: absolute;
    top: 20px;
    right: 20px;
    color: transparent; /* Solo visible si se selecciona */
    font-family: var(--font-terminal);
    user-select: all;
    border-radius: 4px;
    padding: 5px;
    animation: hintPulse 10s infinite; /* Destello sutil cada 10s para ayudar */
    z-index: 100;
}

.hidden-flag::selection {
    background: var(--accent-magenta);
    color: #fff;
}

/* Cyber Buttons old style wrapper */
.cyber-button {
    background: transparent;
    color: var(--accent-cyan);
    font-family: var(--font-terminal);
    font-size: 1rem;
    border: 1px solid var(--accent-cyan);
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.cyber-button:hover {
    background: var(--accent-cyan);
    color: #000;
    box-shadow: 0 0 15px var(--accent-cyan);
}

/* Inputs */
.cyber-input {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    font-family: var(--font-terminal);
    padding: 12px 20px;
    border-radius: 4px;
    width: 100%;
    outline: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.cyber-input:focus {
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}

/* Side Navigation */
.side-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
}

.side-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.side-nav li {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.side-nav li.active {
    background: var(--accent-green);
    transform: scale(1.5);
    box-shadow: 0 0 10px var(--accent-green);
}

/* Utility classes */
.text-center { text-align: center; }
.hidden { display: none !important; }