/* 
 * CSS Premium Predicta
 * Estilo dark premium para plataforma de tipster
 */

/* ============================================
   VARIABLES GLOBALES - Paleta predicta premium
============================================ */
:root {
    /* Colores principales */
    --bg-primary: #0a0a0a;
    --bg-surface: #111111;
    --bg-surface-alt: #181818;
    --bg-overlay: rgba(255, 255, 255, 0.03);
    
    /* Accentos y colores de marca */
    --accent-primary: #c6f135;        /* Verde neón principal */
    --accent-secondary: #a8d420;      /* Verde neón secundario */
    --accent-hover: #d4ff4d;          /* Hover más brillante */
    --accent-subtle: rgba(198, 241, 53, 0.08);
    --accent-border: rgba(198, 241, 53, 0.25);
    
    /* Textos */
    --text-primary: #f0f0ec;
    --text-secondary: #888880;
    --text-tertiary: #444440;
    --text-muted: #666660;
    
    /* Bordes y líneas */
    --border-primary: rgba(255, 255, 255, 0.07);
    --border-secondary: rgba(255, 255, 255, 0.14);
    --border-subtle: rgba(255, 255, 255, 0.03);
    
    /* Estados y alertas */
    --success: #c6f135;
    --warning: #ffd166;
    --danger: #ff6b6b;
    --info: #26a5e4;
    
    /* Opacidades */
    --opacity-low: 0.08;
    --opacity-medium: 0.15;
    --opacity-high: 0.25;
    
    /* Sombras premium */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-accent: 0 4px 20px rgba(198, 241, 53, 0.25);
    
    /* Botones */
    --btn-primary: #c6f135;
    --btn-primary-text: #0a0a0a;
    --btn-primary-hover: #a8d420;
    --btn-secondary: rgba(255, 255, 255, 0.03);
    --btn-secondary-text: #f0f0ec;
    --btn-secondary-border: rgba(255, 255, 255, 0.14);
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, rgba(198, 241, 53, 0.1) 0%, rgba(198, 241, 53, 0.02) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(10, 10, 10, 0.8) 0%, rgba(10, 10, 10, 0.95) 100%);
    
    /* Radios */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Tipografía */
    --font-heading: 'Bebas Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

/* ============================================
   RESET Y BASE
============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    letter-spacing: 0.01em;
}

/* ============================================
   TIPOGRAFÍA
============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: normal;
    line-height: 0.95;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: clamp(3.5rem, 10vw, 6rem);
}

h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
}

h3 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-family: var(--font-body);
    font-weight: 500;
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    line-height: 1.6;
}

.lead {
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--accent-primary);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--accent-subtle);
    border: 0.5px solid var(--accent-border);
    border-radius: var(--radius-full);
}

/* ============================================
   COMPONENTES REUTILIZABLES
============================================ */

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.badge-primary {
    background: var(--accent-subtle);
    border: 0.5px solid var(--accent-border);
    color: var(--accent-primary);
}

.badge-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 0.5px solid var(--border-primary);
    color: var(--text-secondary);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.9rem 2.2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    line-height: 1;
    white-space: nowrap;
}

.btn-primary {
    background: var(--btn-primary);
    color: var(--btn-primary-text);
}

.btn-primary:hover {
    background: var(--btn-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-accent);
}

.btn-secondary {
    background: transparent;
    color: var(--btn-secondary-text);
    border: 0.5px solid var(--btn-secondary-border);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.03);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
}

/* Cards */
.card {
    background: var(--bg-surface);
    border: 0.5px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: all 0.2s ease;
}

.card:hover {
    border-color: var(--border-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-featured {
    background: var(--bg-surface-alt);
    border: 1.5px solid var(--accent-primary);
    position: relative;
}

.card-featured::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    z-index: -1;
    opacity: 0.3;
}

/* Stats */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1px;
    border: 0.5px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-surface);
}

.stat-item {
    padding: var(--space-lg);
    text-align: center;
    border-right: 0.5px solid var(--border-primary);
    transition: background 0.2s ease;
}

.stat-item:last-child {
    border-right: none;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* Progress bars */
.progress-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.progress-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 120px;
}

.progress-track {
    flex: 1;
    height: 4px;
    background: var(--border-primary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-value {
    font-size: 0.8rem;
    color: var(--accent-primary);
    min-width: 40px;
    text-align: right;
}

/* ============================================
   LAYOUT Y GRID
============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xxl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ============================================
   NAVBAR
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-xl);
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 0.5px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    letter-spacing: 0.08em;
    color: var(--accent-primary);
    text-decoration: none;
}

.navbar-logo span {
    color: var(--text-primary);
}

.navbar-links {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.navbar-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    transition: color 0.2s ease;
    padding: var(--space-xs) 0;
    position: relative;
}

.navbar-link:hover {
    color: var(--text-primary);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-primary);
    transition: width 0.2s ease;
}

.navbar-link:hover::after {
    width: 100%;
}

.navbar-cta {
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.2s ease;
}

.navbar-cta:hover {
    background: var(--accent-secondary);
    color: var(--bg-primary);
}

/* ============================================
   HERO SECTION
============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem var(--space-xl) var(--space-xxl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(800px, 100%);
    height: min(800px, 100%);
    background: radial-gradient(ellipse at center,
        rgba(198, 241, 53, 0.08) 0%,
        rgba(198, 241, 53, 0.02) 50%,
        transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ============================================
   PRICING SECTION
============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xxl);
}

.pricing-card {
    background: var(--bg-surface);
    border: 0.5px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--border-secondary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card-featured {
    background: var(--bg-surface-alt);
    border: 1.5px solid var(--accent-primary);
    transform: scale(1.02);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-primary);
    color: var(--bg-primary);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    white-space: nowrap;
}

.plan-name {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.plan-price {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.plan-price-period {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

/* ============================================
   LANDING PAGE — Index.html
   Nav, Hero, Steps, Plans inline-style
============================================ */

/* Nav compacto para landing */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 2.5rem;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 0.5px solid var(--border-primary);
}
.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    letter-spacing: 0.08em;
    color: var(--accent-primary);
    text-decoration: none;
}
.logo span { color: var(--text-primary); }
.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    transition: color 0.2s;
}
.nav-link:hover { color: var(--accent-primary); }
.btn-nav {
    background: var(--accent-primary);
    color: var(--btn-primary-text) !important;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.85rem;
    text-decoration: none;
    transition: background 0.2s;
}
.btn-nav:hover { background: var(--accent-secondary) !important; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: min(800px, 100%);
    height: min(800px, 100%);
    background: radial-gradient(ellipse at center,
        rgba(198,241,53,0.07) 0%,
        rgba(198,241,53,0.02) 50%,
        transparent 70%);
    pointer-events: none;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-subtle);
    border: 0.5px solid var(--accent-border);
    color: var(--accent-primary);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-full);
    margin-bottom: 2rem;
    text-transform: uppercase;
}
.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-primary);
    animation: pulse 2s infinite;
}

h1 {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 10vw, 7rem);
    line-height: 0.95;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
    max-width: 900px;
}
h1 em { color: var(--accent-primary); font-style: normal; }

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
}
.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}
.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    padding: 0.9rem 2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.95rem;
    text-decoration: none;
    border: 0.5px solid var(--border-secondary);
    transition: border-color 0.2s, transform 0.15s;
}
.btn-ghost:hover {
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-1px);
}

/* Stats bar */
.stats-bar {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
    border: 0.5px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-overlay);
}
.stat {
    flex: 1;
    min-width: 140px;
    padding: 1.2rem 1.5rem;
    border-right: 0.5px solid var(--border-primary);
    text-align: center;
}
.stat:last-child { border-right: none; }
.stat-num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--accent-primary);
    letter-spacing: 0.04em;
    line-height: 1;
}
.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    margin-top: 4px;
    text-transform: none;
}

/* Secciones */
section {
    padding: 5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}
.section-sub {
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 3rem;
    font-size: 0.95rem;
}

/* Steps / Cómo funciona */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1px;
    background: var(--border-primary);
    border: 0.5px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.step {
    background: var(--bg-surface);
    padding: 2rem 1.5rem;
    position: relative;
}
.step-num {
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--accent-subtle);
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    line-height: 1;
}
.step-icon { font-size: 1.3rem; margin-bottom: 1rem; }
.step h3 { font-size: 0.95rem; font-weight: 500; margin-bottom: 0.5rem; font-family: var(--font-body); color: var(--text-primary); }
.step p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 0; }

/* Pricing plans */
#pricing { max-width: 1100px; margin: 0 auto; padding: 5rem 2rem; }
.plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}
.plan {
    background: var(--bg-surface);
    border: 0.5px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s;
}
.plan:hover { border-color: var(--border-secondary); }
.plan.featured {
    background: var(--bg-surface-alt);
    border: 1.5px solid var(--accent-primary);
    position: relative;
}
.plan-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-primary);
    color: var(--btn-primary-text);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    padding: 3px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    white-space: nowrap;
}
.plan-name {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.plan-price {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}
.plan-price span {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-secondary);
}
.plan-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}
.plan-features {
    list-style: none;
    margin-bottom: 2rem;
    flex: 1;
    padding: 0;
}
.plan-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.4rem 0;
    border-bottom: 0.5px solid var(--border-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--text-tertiary);
    flex-shrink: 0;
}
.plan-features li.active { color: var(--text-primary); }
.plan-features li.active::before { background: var(--accent-primary); }
.plan-cta {
    display: block;
    text-align: center;
    text-decoration: none;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    border: 0.5px solid var(--border-secondary);
    color: var(--text-primary);
    transition: all 0.2s;
}
.plan-cta:hover { border-color: rgba(255,255,255,0.3); }
.plan.featured .plan-cta {
    background: var(--accent-primary);
    color: var(--btn-primary-text);
    border-color: transparent;
}
.plan.featured .plan-cta:hover { background: var(--accent-secondary); }

/* Footer CTA */
.footer-cta {
    text-align: center;
    padding: 5rem 2rem;
    border-top: 0.5px solid var(--border-primary);
}
.footer-cta h2 { margin-bottom: 1rem; }
.footer-cta p { color: var(--text-secondary); margin-bottom: 2rem; }

/* Footer */
footer {
    border-top: 0.5px solid var(--border-primary);
    padding: 2rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.78rem;
    color: var(--text-tertiary);
}
footer a { color: var(--text-tertiary); text-decoration: none; }
footer a:hover { color: var(--text-secondary); }

/* Telegram float */
.tg-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 99;
    background: var(--info);
    color: #fff;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(38,165,228,0.4);
    transition: transform 0.2s;
}
.tg-float:hover { transform: scale(1.08); }

/* ── Responsive landing ── */
@media (max-width: 600px) {
    nav { padding: 1rem 1.25rem; }
    .nav-links { gap: 1rem; }
    section, #pricing { padding: 3.5rem 1.25rem; }
    .hero { padding: 7rem 1.25rem 3rem; }
    .plans { grid-template-columns: 1fr; }
}