/*
Theme Name: TechFusion
Theme URI: https://example.com/techfusion
Author: Your Name
Author URI: https://example.com
Description: A modern tech-focused WordPress theme with dark navy backgrounds and vibrant cyan/emerald accents. Perfect for technology, AI, and innovation-focused websites.
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: techfusion
Tags: dark, modern, tech, ai, business, portfolio, responsive
*/

/* ========================================
   VARIABLES & BASE STYLES
======================================== */

:root {
  --color-primary-cyan: #00D4FF;
  --color-secondary-green: #00D9A3;
  --color-dark-navy: #0a1628;
  --color-slate: #1a2838;
  --color-slate-light: #2c3e50;
  --color-text-light: #ffffff;
  --color-text-gray: #a0aec0;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-dark-navy);
  color: var(--color-text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--color-primary-cyan);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--color-secondary-green);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   HEADER & NAVIGATION
======================================== */

.site-header {
  background-color: rgba(10, 22, 40, 0.95);
  padding: 20px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo::before {
  content: "⚡";
  color: var(--color-secondary-green);
  font-size: 32px;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: 30px;
  align-items: center;
}

.main-navigation a {
  color: var(--color-text-light);
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-cyan), var(--color-secondary-green));
  transition: width 0.3s ease;
}

.main-navigation a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-primary-cyan);
  color: var(--color-primary-cyan);
  padding: 10px 15px;
  cursor: pointer;
  border-radius: 5px;
  font-size: 18px;
}

/* ========================================
   HERO SECTION
======================================== */

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-dark-navy) 0%, var(--color-slate) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 217, 163, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero-label {
  font-size: 18px;
  color: var(--color-text-gray);
  margin-bottom: 20px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 72px;
  font-weight: 800;
  margin-bottom: 30px;
  line-height: 1.2;
}

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

.hero-description {
  font-size: 20px;
  color: var(--color-text-gray);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   BUTTONS
======================================== */

.btn {
  padding: 15px 35px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-cyan), var(--color-secondary-green));
  color: var(--color-text-light);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-light);
  border: 2px solid var(--color-primary-cyan);
}

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-3px);
}

/* ========================================
   SECTIONS
======================================== */

section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 60px;
}

.section-title .highlight {
  color: var(--color-secondary-green);
}

/* ========================================
   FEATURES / HOW WE WORK
======================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.feature-item {
  background: var(--color-slate);
  padding: 40px 30px;
  border-radius: 15px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.feature-item:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary-cyan);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px;
  background: linear-gradient(135deg, var(--color-primary-cyan), var(--color-secondary-green));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}

.feature-title {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--color-text-light);
}

.feature-description {
  color: var(--color-text-gray);
  line-height: 1.6;
}

/* ========================================
   TEAM SECTION
======================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.team-member {
  background: var(--color-slate);
  border-radius: 15px;
  overflow: hidden;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.team-member:hover {
  transform: translateY(-10px);
  border-color: var(--color-secondary-green);
  box-shadow: 0 10px 40px rgba(0, 217, 163, 0.2);
}

.team-photo {
  width: 100%;
  height: 300px;
  object-fit: cover;
  background: var(--color-slate-light);
}

.team-info {
  padding: 30px 20px;
}

.team-name {
  font-size: 24px;
  margin-bottom: 10px;
  color: var(--color-text-light);
}

.team-role {
  color: var(--color-secondary-green);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
}

.team-socials {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.team-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.team-socials a:hover {
  background: var(--color-primary-cyan);
  transform: scale(1.1);
}

/* ========================================
   BLOG / POSTS
======================================== */

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.post-card {
  background: var(--color-slate);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.post-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary-cyan);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.post-thumbnail {
  width: 100%;
  height: 250px;
  object-fit: cover;
  background: var(--color-slate-light);
}

.post-content {
  padding: 30px;
}

.post-meta {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--color-text-gray);
  margin-bottom: 15px;
}

.post-title {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--color-text-light);
}

.post-title a {
  color: var(--color-text-light);
}

.post-title a:hover {
  color: var(--color-primary-cyan);
}

.post-excerpt {
  color: var(--color-text-gray);
  line-height: 1.6;
  margin-bottom: 20px;
}

.read-more {
  color: var(--color-secondary-green);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.read-more:hover {
  color: var(--color-primary-cyan);
}

/* ========================================
   CONTACT FORM
======================================== */

.contact-section {
  background: var(--color-slate);
  border-radius: 20px;
  padding: 60px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group label {
  color: var(--color-text-light);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  padding: 15px 20px;
  border-radius: 10px;
  border: 2px solid rgba(0, 212, 255, 0.2);
  background: var(--color-dark-navy);
  color: var(--color-text-light);
  font-family: var(--font-primary);
  font-size: 16px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* ========================================
   FOOTER
======================================== */

.site-footer {
  background: var(--color-dark-navy);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  margin-top: 100px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  color: var(--color-text-light);
  margin-bottom: 20px;
  font-size: 20px;
}

.footer-section p,
.footer-section a {
  color: var(--color-text-gray);
  line-height: 1.8;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  color: var(--color-text-gray);
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--color-primary-cyan);
  transform: scale(1.1);
}

/* ========================================
   RESPONSIVE
======================================== */

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .main-navigation ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-dark-navy);
    padding: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
  }
  
  .main-navigation.active ul {
    display: flex;
  }
  
  .hero-title {
    font-size: 48px;
  }
  
  .hero-description {
    font-size: 18px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .section-title {
    font-size: 36px;
  }
  
  .contact-section {
    padding: 40px 20px;
  }
  
  .features-grid,
  .team-grid,
  .posts-grid {
    grid-template-columns: 1fr;
  }
}