/*
Theme Name: BitByteFly
Theme URI: https://bitbytefly.com
Author: BitByteFly
Author URI: https://bitbytefly.com
Description: A modern, responsive WordPress theme converted from React — built for tech-forward brands and digital agencies.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
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: bitbytefly
Tags: custom-menu, featured-images, responsive-layout, one-column, two-columns, custom-colors, full-width-template, translation-ready
*/

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

:root {
  --color-primary:     #0a0a0a;
  --color-secondary:   #1a1aff;
  --color-accent:      #00d4ff;
  --color-bg:          #ffffff;
  --color-bg-dark:     #0d0d0d;
  --color-text:        #111111;
  --color-text-muted:  #666666;
  --color-border:      #e5e5e5;

  --font-sans:   'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   32px;

  --space-xs:    4px;
  --space-sm:    8px;
  --space-md:    16px;
  --space-lg:    24px;
  --space-xl:    48px;
  --space-2xl:   80px;
  --space-3xl:   120px;

  --container:   1200px;
  --transition:  0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

/* ========================================
   LAYOUT
   ======================================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.site-wrapper { display: flex; flex-direction: column; min-height: 100vh; }
.site-main { flex: 1; }

/* ========================================
   HEADER / NAVIGATION
   ======================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  transition: box-shadow var(--transition);
}

.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.site-logo span { color: var(--color-secondary); }

/* Primary Nav */
.primary-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
  align-items: center;
}

.primary-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.01em;
  position: relative;
}

.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: width var(--transition);
}

.primary-nav a:hover::after,
.primary-nav .current-menu-item > a::after { width: 100%; }

.header-cta .btn { padding: 10px 22px; font-size: 0.875rem; }

/* Mobile hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 60%, #f0f4ff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26,26,255,0.06) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(26,26,255,0.08);
  color: var(--color-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 520px;
}

.hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0,0,0,0.12);
}

.hero-image-float {
  position: absolute;
  background: white;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  font-size: 0.8rem;
  font-weight: 600;
}

.hero-image-float.stat-1 { top: 10%; left: -10%; }
.hero-image-float.stat-2 { bottom: 15%; right: -5%; }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,26,255,0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  transform: translateY(-2px);
}

/* ========================================
   SECTION TITLES
   ======================================== */
.section { padding: var(--space-3xl) 0; }
.section-dark { background: var(--color-bg-dark); color: #fff; }

.section-header { text-align: center; margin-bottom: var(--space-2xl); }

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========================================
   SERVICES / FEATURES GRID
   ======================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.service-card:hover {
  border-color: transparent;
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(26,26,255,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.service-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ========================================
   STATS ROW
   ======================================== */
.stats-section { background: var(--color-secondary); color: #fff; padding: var(--space-2xl) 0; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat-item {}
.stat-number { font-size: 2.8rem; font-weight: 800; letter-spacing: -0.03em; }
.stat-label { font-size: 0.875rem; opacity: 0.8; margin-top: var(--space-xs); }

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-author { display: flex; align-items: center; gap: var(--space-md); }

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  flex-shrink: 0;
}

.testimonial-name { font-weight: 700; font-size: 0.9rem; }
.testimonial-role { font-size: 0.8rem; color: var(--color-text-muted); }

.stars { color: #fbbf24; font-size: 0.85rem; margin-bottom: var(--space-md); }

/* ========================================
   BLOG / POSTS
   ======================================== */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.post-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.post-card:hover { box-shadow: 0 20px 50px rgba(0,0,0,0.08); transform: translateY(-4px); }

.post-card-thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--color-border); }
.post-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.post-card:hover .post-card-thumb img { transform: scale(1.04); }

.post-card-body { padding: var(--space-lg); }
.post-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.post-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.post-title { font-size: 1.1rem; font-weight: 700; line-height: 1.3; margin-bottom: var(--space-sm); }
.post-excerpt { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.6; }

/* ========================================
   CONTACT / CTA SECTION
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a1a3e 100%);
  color: #fff;
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-section .section-title { color: #fff; }
.cta-section .section-desc { color: rgba(255,255,255,0.7); }

/* Contact Form */
.contact-form { max-width: 600px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-group { margin-bottom: var(--space-md); }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: var(--space-xs); }

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(26,26,255,0.1);
}

.form-group textarea { resize: vertical; min-height: 130px; }

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .site-logo { color: #fff; margin-bottom: var(--space-md); }
.footer-brand p { font-size: 0.875rem; line-height: 1.7; max-width: 280px; }

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: var(--space-lg);
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: var(--space-sm); }
.footer-col ul li a { font-size: 0.875rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--color-accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
}

.social-links { display: flex; gap: var(--space-md); }
.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  transition: all var(--transition);
}
.social-links a:hover { background: var(--color-secondary); color: #fff; }

/* ========================================
   WORDPRESS CORE CLASSES
   ======================================== */
.wp-block-image { margin: var(--space-lg) 0; }
.alignleft { float: left; margin-right: var(--space-lg); margin-bottom: var(--space-md); }
.alignright { float: right; margin-left: var(--space-lg); margin-bottom: var(--space-md); }
.aligncenter { display: block; margin: var(--space-lg) auto; }
.alignwide { max-width: 1400px; margin-left: auto; margin-right: auto; }
.alignfull { width: 100vw; margin-left: calc(-50vw + 50%); }

.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 0.8rem; color: var(--color-text-muted); text-align: center; margin-top: var(--space-xs); }

.sticky { border-left: 4px solid var(--color-secondary); padding-left: var(--space-md); }

/* Gallery */
.gallery { display: grid; gap: var(--space-sm); }
.gallery-columns-2 { grid-template-columns: repeat(2, 1fr); }
.gallery-columns-3 { grid-template-columns: repeat(3, 1fr); }
.gallery-columns-4 { grid-template-columns: repeat(4, 1fr); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

/* Comments */
.comment-list { list-style: none; }
.comment { border-bottom: 1px solid var(--color-border); padding: var(--space-lg) 0; }
.comment-author .avatar { border-radius: 50%; margin-right: var(--space-md); }
.comment-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.comment-content { font-size: 0.9rem; }
.children { padding-left: var(--space-xl); list-style: none; }

/* Pagination */
.pagination, .nav-links { display: flex; gap: var(--space-sm); justify-content: center; align-items: center; margin: var(--space-2xl) 0; }
.page-numbers {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
}
.page-numbers.current, .page-numbers:hover { background: var(--color-secondary); color: #fff; border-color: var(--color-secondary); }

/* Search form */
.search-form { display: flex; gap: var(--space-sm); }
.search-field { flex: 1; }
.search-submit { white-space: nowrap; }

/* Breadcrumbs */
.breadcrumb { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: var(--space-lg); }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb span { margin: 0 6px; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --space-3xl: 60px; --space-2xl: 40px; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { display: none; }

  .primary-nav { display: none; }
  .primary-nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-top: 1px solid var(--color-border); padding: var(--space-md); }
  .primary-nav.open ul { flex-direction: column; gap: var(--space-md); }
  .menu-toggle { display: flex; }

  .header-cta { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}