/*
Theme Name: Resinpiping Theme
Theme URI: https://github.com/gaw-web-agency/resinpiping-theme
Author: Gaw Web Agency
Author URI: https://gaw.agency
Description: Tema custom WordPress per resinpiping — sito corporate B2B industriale rivestimenti/skid/HDPE-PVC-PP. Block theme nativo (FSE): theme.json, templates/parts/patterns Gutenberg. Palette navy industriale, Public Sans + Inter.
Version: 0.4.1
Requires at least: 6.5
Requires PHP: 7.4
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: resinpiping
Tags: corporate, business, industrial, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   Resinpiping Theme — base stylesheet
   Caricato come header dichiarativo WP. Stile completo in assets/css/main.css
   Le regole qui sotto sono il design tokens layer + reset minimale per
   evitare flash of unstyled content prima del main.css.
   ========================================================================== */

:root {
  /* Palette navy industriale */
  --resin-primary: #2E5C7A;
  --resin-primary-dark: #1F4258;
  --resin-primary-light: #4A7A9C;
  --resin-accent: #4A90B8;
  --resin-bg: #F4F4F4;
  --resin-bg-light: #FAFAFA;
  --resin-surface: #FFFFFF;
  --resin-text: #2A2A2A;
  --resin-text-muted: #6B6B6B;
  --resin-text-on-primary: #FFFFFF;
  --resin-border: #E0E0E0;
  --resin-success: #3D7A4A;
  --resin-warning: #B86B1F;
  --resin-danger: #C53030;

  /* Tipografia */
  --resin-font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --resin-font-weight-regular: 400;
  --resin-font-weight-medium: 500;
  --resin-font-weight-semibold: 600;
  --resin-font-weight-bold: 700;

  /* Scale tipografica fluida (clamp) */
  --resin-fs-h1: clamp(2rem, 1.5rem + 2vw, 3rem);
  --resin-fs-h2: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem);
  --resin-fs-h3: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --resin-fs-h4: clamp(1.125rem, 1.05rem + 0.3vw, 1.25rem);
  --resin-fs-body: 1rem;
  --resin-fs-small: 0.875rem;
  --resin-lh-tight: 1.2;
  --resin-lh-body: 1.6;

  /* Spacing scale (8pt-ish grid) */
  --resin-space-1: 0.25rem;
  --resin-space-2: 0.5rem;
  --resin-space-3: 0.75rem;
  --resin-space-4: 1rem;
  --resin-space-6: 1.5rem;
  --resin-space-8: 2rem;
  --resin-space-12: 3rem;
  --resin-space-16: 4rem;
  --resin-space-24: 6rem;

  /* Layout */
  --resin-radius-sm: 4px;
  --resin-radius-md: 8px;
  --resin-radius-lg: 12px;
  --resin-radius-pill: 999px;
  --resin-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --resin-shadow-md: 0 4px 12px rgba(31,66,88,0.08);
  --resin-shadow-lg: 0 8px 24px rgba(31,66,88,0.12);
  --resin-transition: 0.2s ease-out;
  --resin-transition-slow: 0.4s ease-out;
  --resin-container-max: 1280px;
  --resin-container-narrow: 960px;
  --resin-header-h: 80px;
}

/* Reset minimo. Il main.css carica reset esteso. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--resin-font-sans);
  font-size: var(--resin-fs-body);
  line-height: var(--resin-lh-body);
  color: var(--resin-text);
  background-color: var(--resin-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, picture, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--resin-primary); text-decoration: none; }
a:hover, a:focus { color: var(--resin-primary-dark); }

/* Accessibility helpers */
.screen-reader-text,
.visually-hidden {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  -webkit-clip-path: inset(50%);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--resin-primary);
  color: var(--resin-text-on-primary);
  padding: var(--resin-space-3) var(--resin-space-4);
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

:focus-visible {
  outline: 2px solid var(--resin-accent);
  outline-offset: 2px;
}

/* Utility container */
.resin-container {
  width: 100%;
  max-width: var(--resin-container-max);
  margin-inline: auto;
  padding-inline: var(--resin-space-4);
}
.resin-container--narrow { max-width: var(--resin-container-narrow); }

@media (min-width: 768px) {
  .resin-container { padding-inline: var(--resin-space-8); }
}