/* =========================================
   HYDRO-CONECTA - VARIABLES & RESET
   Sistema de diseño centralizado
   ========================================= */

:root {
    /* Colores principales */
    --color-primary: #0077b6;
    --color-secondary: #00b4d8;
    --color-accent: #90e0ef;
    --color-dark: #03045e;
    --color-light: #caf0f8;
    --color-white: #ffffff;
    
    /* Colores de texto */
    --color-text: #1e293b;
    --color-text-light: #64748b;
    
    /* Colores de estado */
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #0077b6 0%, #00b4d8 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 119, 182, 0.95), rgba(0, 180, 216, 0.85));
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Tipografía */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

/* ==================== RESET CSS ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    background: #f8fafc;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    line-height: 1.2;
}

p, a, button, input, textarea, select {
    font-family: var(--font-family);
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}