/* ==========================================================================
   MICO DESIGN SYSTEM - MAIN CSS
   Color Palette: Facebook Blue (#1877F2) + WhatsApp Green (#25D366)
   Default Theme: Light Mode (Version Día)
   Toggleable Theme: Dark Mode (Version Noche via [data-theme="dark"])
   ========================================================================== */

/* DEFAULT DARK THEME (MODO NOCHE POR DEFECTO) */
:root {
    /* Brand Colors */
    --fb-blue: #1877F2;
    --fb-blue-hover: #1464cc;
    --fb-blue-glow: rgba(24, 119, 242, 0.35);
    
    --wa-green: #25D366;
    --wa-green-dark: #1eb957;
    --wa-green-glow: rgba(37, 211, 102, 0.35);
    --wa-green-bg: rgba(37, 211, 102, 0.1);

    /* Dark Theme Palette */
    --bg-dark: #0B0F19;
    --bg-card: #151C2C;
    --bg-card-hover: #1E283D;
    --bg-glass: rgba(21, 28, 44, 0.85);

    /* Text Colors */
    --text-main: #FFFFFF;
    --text-muted: #94A3B8;
    --text-dim: #64748B;

    /* Borders & Accents */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(37, 211, 102, 0.3);

    /* Typography */
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --font-heading: 'Outfit', sans-serif;

    /* Transitions & Shadows */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    --shadow-glow-wa: 0 10px 30px rgba(37, 211, 102, 0.25);
    --shadow-glow-fb: 0 10px 30px rgba(24, 119, 242, 0.25);
}

/* OPTIONAL LIGHT THEME (MODO DÍA VIA [data-theme="light"]) */
[data-theme="light"] {
    --bg-dark: #F5F7FA;
    --bg-card: #FFFFFF;
    --bg-card-hover: #EFF3F8;
    --bg-glass: rgba(255, 255, 255, 0.94);

    --text-main: #0F172A;
    --text-muted: #475569;
    --text-dim: #64748B;

    --border-color: rgba(15, 23, 42, 0.1);
    --border-glow: rgba(24, 119, 242, 0.35);

    --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 10px 28px -6px rgba(15, 23, 42, 0.1);
    --shadow-glow-wa: 0 6px 20px -4px rgba(37, 211, 102, 0.3);
    --shadow-glow-fb: 0 6px 20px -4px rgba(24, 119, 242, 0.3);
}

/* Reset & Core Setup */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
    background-image: 
        radial-gradient(ellipse at 15% 10%, rgba(24, 119, 242, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 50%, rgba(37, 211, 102, 0.04) 0%, transparent 50%);
    background-size: 100% 100%, 100% 100%;
    background-attachment: fixed;
}

[data-theme="dark"] body {
    background-image: 
        radial-gradient(circle at 15% 20%, rgba(24, 119, 242, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(37, 211, 102, 0.06) 0%, transparent 40%),
        radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 28px 28px;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

p {
    color: var(--text-muted);
}

.text-wa { color: var(--wa-green) !important; }
.text-fb { color: var(--fb-blue) !important; }
.text-gradient {
    background: linear-gradient(135deg, var(--wa-green) 0%, #0284C7 50%, var(--fb-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Global Container */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

/* Common Section Header */
.section-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 60px auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(24, 119, 242, 0.08);
    color: var(--fb-blue);
    border: 1px solid rgba(24, 119, 242, 0.2);
    margin-bottom: 20px;
}

.section-badge.badge-green {
    background: rgba(37, 211, 102, 0.1);
    color: #15803D;
    border-color: rgba(37, 211, 102, 0.3);
}

[data-theme="dark"] .section-badge.badge-green {
    color: var(--wa-green);
}

.section-header h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-muted);
}

/* Button Component System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-main);
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary-wa {
    background: var(--wa-green);
    color: #051A0E;
    box-shadow: var(--shadow-glow-wa);
}

.btn-primary-wa:hover {
    background: var(--wa-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 35px rgba(37, 211, 102, 0.4);
    color: #000;
}

.btn-primary-fb {
    background: var(--fb-blue);
    color: #FFFFFF;
    box-shadow: var(--shadow-glow-fb);
}

.btn-primary-fb:hover {
    background: var(--fb-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 14px 35px rgba(24, 119, 242, 0.4);
}

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

.btn-outline:hover {
    background: rgba(15, 23, 42, 0.05);
    border-color: rgba(15, 23, 42, 0.2);
    transform: translateY(-2px);
}

[data-theme="dark"] .btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 17px;
    border-radius: 14px;
}

/* Theme Switcher Toggle Button */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition-fast);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    border-color: var(--wa-green);
    color: var(--wa-green);
}