/*
Theme Name: bit2ai Theme
Theme URI: https://bit2ai.de
Author: Sajib Chaudhury
Author URI: https://bit2ai.de
Description: Custom theme for bit2ai.de — Web · Apps · AI · Automatisierung
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bit2ai-theme
Tags: custom, business, dark, ai
*/

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

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

body {
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Remove default WP styles */
.wp-block-* { all: unset; }

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --color-navy:     #0B1220;
  --color-deep:     #1E3A5F;
  --color-blue:     #3B82F6;
  --color-cyan:     #38BDF8;
  --color-white:    #F8FAFC;
  --color-gray-900: #111827;
  --color-gray-600: #4B5563;
  --color-gray-100: #F3F4F6;

  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --section-pad-desktop: 100px;
  --section-pad-mobile:  60px;
  --content-max:         1100px;
  --radius-btn:          6px;
  --radius-card:         8px;
  --shadow-card:         0 4px 24px rgba(0, 0, 0, 0.10);

  --dot-grid: radial-gradient(circle, rgba(56,189,248,0.06) 1px, transparent 1px);
}

/* ============================================================
   GLOBAL BASE
   ============================================================ */
html {
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1rem;
  background-color: var(--color-navy);
  color: var(--color-white);
}

.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p {
  font-size: 1.0625rem;
  line-height: 1.7;
}

.overline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
  display: block;
  margin-bottom: 16px;
}

/* Sections */
.section {
  padding-block: var(--section-pad-desktop);
}

.section--dark {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.section--dark-dot {
  background-color: var(--color-navy);
  background-image: var(--dot-grid);
  background-size: 28px 28px;
  color: var(--color-white);
}

.section--light {
  background-color: var(--color-white);
  color: var(--color-gray-900);
}

/* Explicit color overrides — beat WordPress global-styles specificity */
.section--light p,
.section--light li {
  color: var(--color-gray-600);
}

.section--light h1,
.section--light h2,
.section--light h3,
.section--light h4 {
  color: var(--color-gray-900);
}

.section--gradient {
  background: linear-gradient(135deg, var(--color-deep), var(--color-navy));
  color: var(--color-white);
}

/* Buttons */
.btn {
  display: inline-block;
  border-radius: var(--radius-btn);
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.btn--primary {
  background-color: var(--color-blue);
  color: var(--color-white);
  border: 2px solid var(--color-blue);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--color-deep);
  border-color: var(--color-deep);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--outline:hover,
.btn--outline:focus {
  background-color: var(--color-white);
  color: var(--color-navy);
}

.btn--outline-blue {
  background-color: transparent;
  color: var(--color-blue);
  border: 2px solid var(--color-blue);
}

.btn--outline-blue:hover,
.btn--outline-blue:focus {
  background-color: var(--color-blue);
  color: var(--color-white);
}

/* Focus accessibility */
:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

/* Utility */
.text-center { text-align: center; }
.text-cyan    { color: var(--color-cyan); }
.text-blue    { color: var(--color-blue); }