/*
Theme Name: TC Automation Solutions
Theme URI: https://tcautomationsolutions.com
Author: TC Automation Solutions
Author URI: https://tcautomationsolutions.com
Description: Professional theme for TC Automation Solutions - Industrial Automation & Vision Inspection Systems
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: tcautomation
*/

/* =============================================
   CSS VARIABLES
   ============================================= */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0f2338;
  --accent: #2196F3;
  --accent-light: #42a5f5;
  --text: #212121;
  --text-light: #616161;
  --bg: #ffffff;
  --bg-light: #f5f7fa;
  --bg-dark: #0f2338;
  --border: #e0e0e0;
  --success: #1D9E75;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
ul { list-style: none; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--primary); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; color: var(--text-light); }

/* =============================================
   LAYOUT
   ============================================= */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-light { background: var(--bg-light); }
.section-dark { background: var(--bg-dark); color: white; }
.section-dark h2, .section-dark h3, .section-dark h4 { color: white; }
.section-dark p { color: rgba(255,255,255,0.75); }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.text-center { text-align: center; }
.section-title { text-align: center; margin-bottom: 56px; }
.section-title h2 { margin-bottom: 16px; }
.section-title p { max-width: 600px; margin: 0 auto; font-size: 1.1rem; }
.section-label { display: inline-block; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); background: rgba(33,150,243,0.1); padding: 4px 14px; border-radius: 99px; margin-bottom: 16px; }

/* =============================================
   BUTTONS
   ============================================= */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius); font-weight: 600; font-size: 0.95rem; cursor: pointer; border: 2px solid transparent; transition: var(--transition); text-decoration: none; }
.btn-primary { background: var(--accent); color: white; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-light); color: white; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(33,150,243,0.3); }
.btn-outline { background: transparent; color: white; border-color: white; }
.btn-outline:hover { background: white; color: var(--primary); }
.btn-dark { background: var(--primary); color: white; border-color: var(--primary); }
.btn-dark:hover { background: var(--primary-dark); color: white; transform: translateY(-2px); }
.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

/* =============================================
   HEADER & NAVIGATION
   ============================================= */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(15,35,56,0.97); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.08); transition: var(--transition); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; max-width: 1200px; margin: 0 auto; }
.site-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-icon { width: 40px; height: 40px; background: var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.2rem; color: white; }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-size: 1rem; font-weight: 700; color: white; line-height: 1.1; }
.logo-tagline { font-size: 0.65rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.08em; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a { color: rgba(255,255,255,0.8); font-weight: 500; font-size: 0.9rem; padding: 8px 14px; border-radius: var(--radius); transition: var(--transition); }
.main-nav a:hover, .main-nav a.active { color: white; background: rgba(255,255,255,0.1); }
.nav-cta { background: var(--accent) !important; color: white !important; padding: 8px 20px !important; }
.nav-cta:hover { background: var(--accent-light) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: white; border-radius: 2px; transition: var(--transition); }

/* =============================================
   HERO SECTION
   ============================================= */
.hero { min-height: 100vh; background: linear-gradient(135deg, var(--bg-dark) 0%, #1a3a5c 60%, #0d2a45 100%); display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 80px; }
.hero::before { content: ''; position: absolute; inset: 0; background: url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?w=1920&q=80') center/cover no-repeat; opacity: 0.08; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; position: relative; z-index: 1; }
.hero-content { color: white; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(33,150,243,0.2); border: 1px solid rgba(33,150,243,0.4); color: var(--accent-light); font-size: 0.8rem; font-weight: 600; padding: 6px 14px; border-radius: 99px; margin-bottom: 24px; }
.hero h1 { color: white; margin-bottom: 24px; }
.hero h1 span { color: var(--accent-light); }
.hero p { color: rgba(255,255,255,0.75); font-size: 1.15rem; margin-bottom: 36px; max-width: 500px; }
.hero-stats { display: flex; gap: 32px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.1); }
.stat { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--accent-light); line-height: 1; }
.stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 4px; }
.hero-visual { position: relative; }
.hero-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); padding: 24px; backdrop-filter: blur(10px); }
.hero-card img { border-radius: var(--radius); width: 100%; height: 280px; object-fit: cover; }
.hero-card-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--success); color: white; font-size: 0.8rem; font-weight: 600; padding: 6px 14px; border-radius: 99px; margin-top: 16px; }
.hero-card-badge::before { content: ''; width: 8px; height: 8px; background: white; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* =============================================
   SERVICES SECTION
   ============================================= */
.service-card { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--accent); transform: scaleX(0); transition: var(--transition); }
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 56px; height: 56px; background: rgba(33,150,243,0.1); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.5rem; }
.service-card h3 { font-size: 1.2rem; margin-bottom: 12px; color: var(--primary); }
.service-card p { font-size: 0.95rem; margin-bottom: 20px; }
.service-features { display: flex; flex-direction: column; gap: 6px; }
.service-feature { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-light); }
.service-feature::before { content: '✓'; color: var(--success); font-weight: 700; flex-shrink: 0; }

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-images { position: relative; }
.about-img-main { border-radius: var(--radius-lg); width: 100%; height: 400px; object-fit: cover; box-shadow: var(--shadow-lg); }
.about-img-badge { position: absolute; bottom: -24px; right: -24px; background: var(--primary); color: white; border-radius: var(--radius-lg); padding: 20px 24px; text-align: center; box-shadow: var(--shadow); }
.about-img-badge .num { font-size: 2.5rem; font-weight: 800; color: var(--accent-light); line-height: 1; }
.about-img-badge .label { font-size: 0.75rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.05em; }
.about-content { padding-left: 16px; }
.about-values { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.value-item { display: flex; gap: 16px; align-items: flex-start; }
.value-icon { width: 44px; height: 44px; background: rgba(33,150,243,0.1); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.value-text h4 { font-size: 1rem; margin-bottom: 4px; color: var(--primary); }
.value-text p { font-size: 0.9rem; margin: 0; }

/* =============================================
   WHY US / FEATURES
   ============================================= */
.feature-card { text-align: center; padding: 32px 24px; }
.feature-num { font-size: 3rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 8px; }
.feature-card h3 { font-size: 1.1rem; color: white; margin-bottom: 12px; }
.feature-card p { font-size: 0.9rem; color: rgba(255,255,255,0.65); margin: 0; }

/* =============================================
   INDUSTRIES
   ============================================= */
.industry-card { background: white; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.industry-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.industry-img { width: 100%; height: 200px; object-fit: cover; }
.industry-body { padding: 20px; }
.industry-body h4 { color: var(--primary); margin-bottom: 8px; }
.industry-body p { font-size: 0.9rem; margin: 0; }

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { width: 48px; height: 48px; background: rgba(33,150,243,0.1); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-item h4 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-light); margin-bottom: 4px; }
.contact-item p { margin: 0; color: var(--primary); font-weight: 500; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--primary); }
.form-group input, .form-group select, .form-group textarea { padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--radius); font-family: var(--font); font-size: 0.95rem; color: var(--text); background: var(--bg); transition: var(--transition); width: 100%; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(33,150,243,0.1); }
.form-group textarea { resize: vertical; min-height: 140px; }

/* =============================================
   FOOTER
   ============================================= */
.site-footer { background: var(--bg-dark); color: white; padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { color: rgba(255,255,255,0.85); font-size: 0.9rem; margin-top: 16px; max-width: 280px; }
.footer-col h5 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.55); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.9); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { color: rgba(255,255,255,0.7); font-size: 0.85rem; margin: 0; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { display: none; }
  .hero-stats { gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .main-nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-dark); padding: 16px; border-top: 1px solid rgba(255,255,255,0.1); }
  .main-nav.open { display: flex; }
  .hamburger { display: flex; }
  .about-img-badge { right: 0; bottom: 0; }
  .about-content { padding-left: 0; }
}
@media (max-width: 480px) {
  .section { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .btn-group { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; }
}