/*
Theme Name: RxHub Theme
Theme URI: https://rxhub.com
Author: RxHub
Author URI: https://rxhub.com
Description: Tema profesional para RxHub - Distribución Farmacéutica Mayorista. Diseño moderno con estética científica y tecnológica.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rxhub
Tags: pharmaceutical, wholesale, medical, modern, responsive
*/

/* ============================================
   THEME BASE RESET & ROOT VARIABLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-navy: #0A1628;
    --color-navy-mid: #0D1F3C;
    --color-navy-light: #122040;
    /* Logo brand colors — match RxhuB identity exactly */
    --color-electric: #1565C0;
    --color-electric-dark: #0D47A1;
    --color-electric-light: #1976D2;
    --color-white: #FFFFFF;
    --color-cyan: #42A5F5;
    --color-mint: #3AAB5F;
    --color-mint-dark: #2E9E50;
    /* Logo gradient helper */
    --gradient-brand: linear-gradient(135deg, #1565C0 0%, #1976D2 50%, #3AAB5F 100%);
    --color-gray-100: #F8FAFF;
    --color-gray-200: #EEF2FF;
    --color-gray-300: #DDE4F0;
    --color-gray-400: #99AABF;
    --color-gray-500: #667085;
    --color-gray-600: #445069;
    --color-text: #1A2A45;
    --color-text-light: #4A5E78;
    --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Code', 'Consolas', monospace;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.12), 0 1px 2px rgba(10, 22, 40, 0.08);
    --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.12), 0 2px 6px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 10px 40px rgba(10, 22, 40, 0.16), 0 4px 12px rgba(10, 22, 40, 0.1);
    --shadow-xl: 0 20px 60px rgba(10, 22, 40, 0.2), 0 8px 24px rgba(10, 22, 40, 0.12);
    --shadow-glow-blue: 0 0 30px rgba(0, 87, 255, 0.3);
    --shadow-glow-cyan: 0 0 30px rgba(0, 212, 255, 0.3);
    --shadow-glow-mint: 0 0 30px rgba(0, 200, 150, 0.3);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --container-max: 1280px;
    --container-wide: 1440px;
    --header-height: 80px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-navy);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.375rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1rem; color: var(--color-text-light); }
p:last-child { margin-bottom: 0; }

a {
    color: var(--color-electric);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--color-electric-dark); }

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

ul, ol { list-style: none; }

/* Utility classes */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.container--wide {
    max-width: var(--container-wide);
}

.section-padding {
    padding: var(--spacing-4xl) 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* WordPress alignment classes */
.alignleft { float: left; margin: 0 var(--spacing-lg) var(--spacing-md) 0; }
.alignright { float: right; margin: 0 0 var(--spacing-md) var(--spacing-lg); }
.aligncenter { display: block; margin: 0 auto var(--spacing-md); }
.alignwide { width: 100%; }
.alignfull { width: 100vw; margin-left: calc(50% - 50vw); }

/* Screen reader text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -999px;
    left: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-electric);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
}
.skip-link:focus { top: var(--spacing-md); }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-gray-100); }
::-webkit-scrollbar-thumb { background: var(--color-gray-300); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-gray-400); }

/* Selection */
::selection { background: rgba(0, 87, 255, 0.15); color: var(--color-navy); }