:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #3B82F6;
  --dark: #0F172A;
  --dark-2: #1E293B;
  --gray: #64748B;
  --gray-light: #F1F5F9;
  --white: #FFFFFF;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --radius: 12px;
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--dark); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Animations */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 15px; cursor: pointer; border: none; transition: var(--transition); }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,99,235,0.3); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--gray-light); transform: translateY(-2px); }

/* Section */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 36px; font-weight: 800; margin-bottom: 15px; line-height: 1.2; }
.section-header p { color: var(--gray); font-size: 16px; max-width: 600px; margin: 0 auto; }
.section-subtitle { color: var(--primary); font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; display: block; }

/* ========== HEADER ========== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: var(--white); box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 75px; }
.logo { font-size: 28px; font-weight: 800; color: var(--dark); }
.logo span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-weight: 500; font-size: 15px; color: var(--dark); }
.nav-links a:hover { color: var(--primary); }
.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-search { width: 40px; height: 40px; border-radius: 50%; background: var(--gray-light); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); border: none; color: var(--dark); font-size: 16px; }
.nav-search:hover { background: var(--primary); color: var(--white); }
.nav-talk { background: var(--primary); color: var(--white); padding: 10px 24px; border-radius: 50px; font-weight: 600; font-size: 14px; border: none; cursor: pointer; transition: var(--transition); }
.nav-talk:hover { background: var(--primary-dark); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 5px; }
.hamburger span { width: 25px; height: 3px; background: var(--dark); border-radius: 2px; transition: var(--transition); }

/* ========== HERO ========== */
.hero { padding: 140px 0 80px; background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #F0F9FF 100%); min-height: 90vh; display: flex; align-items: center; }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 { font-size: 48px; font-weight: 800; line-height: 1.15; margin-bottom: 20px; color: var(--dark); }
.hero-content h1 span { color: var(--primary); }
.hero-content p { font-size: 17px; color: var(--gray); margin-bottom: 30px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.hero-image { position: relative; }
.hero-image img { border-radius: 20px; box-shadow: var(--shadow-lg); width: 100%; height: 400px; object-fit: cover; }
.hero-image::before { content: ''; position: absolute; top: -20px; right: -20px; width: 100px; height: 100px; background: var(--primary); border-radius: 50%; opacity: 0.1; }
.hero-image::after { content: ''; position: absolute; bottom: -15px; left: -15px; width: 60px; height: 60px; background: var(--primary); border-radius: 50%; opacity: 0.15; }

/* ========== SERVICE ICONS BAR ========== */
.service-icons { padding: 60px 0; background: var(--white); }
.service-icons .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.service-icon-item { text-align: center; padding: 30px 20px; border-radius: var(--radius); transition: var(--transition); cursor: pointer; }
.service-icon-item:hover { background: var(--gray-light); transform: translateY(-5px); }
.service-icon-item .icon { width: 70px; height: 70px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; margin: 0 auto 15px; color: var(--white); font-size: 28px; }
.service-icon-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 5px; }
.service-icon-item p { font-size: 13px; color: var(--gray); }

/* ========== WELCOME ========== */
.welcome { padding: 80px 0; }
.welcome .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.welcome-image { position: relative; }
.welcome-image img { border-radius: 40% 60% 60% 40% / 50% 50% 50% 50%; width: 100%; height: 400px; object-fit: cover; box-shadow: var(--shadow-lg); }
.welcome-badge { position: absolute; bottom: 20px; right: -10px; background: var(--primary); color: var(--white); padding: 15px 25px; border-radius: var(--radius); font-weight: 700; font-size: 14px; box-shadow: var(--shadow-lg); }
.welcome-badge span { font-size: 28px; display: block; line-height: 1; }
.welcome-content h2 { font-size: 36px; font-weight: 800; margin-bottom: 20px; line-height: 1.2; }
.welcome-content h2 span { color: var(--primary); }
.welcome-content p { color: var(--gray); margin-bottom: 25px; line-height: 1.7; }
.welcome-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 30px; }
.welcome-features li { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.welcome-features li i { color: var(--primary); font-size: 18px; }

/* ========== SERVICES ========== */
.services { padding: 80px 0; background: var(--gray-light); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.service-card { background: var(--white); border-radius: var(--radius); padding: 35px 25px; text-align: center; transition: var(--transition); box-shadow: var(--shadow); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-card .icon { width: 70px; height: 70px; border-radius: 16px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; color: var(--white); font-size: 28px; }
.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.service-card p { font-size: 14px; color: var(--gray); margin-bottom: 20px; line-height: 1.6; }
.service-card .read-more { color: var(--primary); font-weight: 600; font-size: 14px; }
.service-card .read-more:hover { color: var(--primary-dark); }

/* ========== PROGRESS ========== */
.progress-section { padding: 80px 0; }
.progress-section .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.progress-content h2 { font-size: 36px; font-weight: 800; margin-bottom: 15px; line-height: 1.2; }
.progress-content p { color: var(--gray); margin-bottom: 30px; }
.progress-bar-item { margin-bottom: 25px; }
.progress-bar-item .label { display: flex; justify-content: space-between; margin-bottom: 8px; font-weight: 600; font-size: 14px; }
.progress-track { height: 10px; background: var(--gray-light); border-radius: 10px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-light)); border-radius: 10px; width: 0; transition: width 1.5s ease; }
.progress-image img { border-radius: 20px; width: 100%; height: 400px; object-fit: cover; box-shadow: var(--shadow-lg); }

/* ========== PROJECTS ========== */
.projects { padding: 80px 0; background: var(--gray-light); }
.projects-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.project-card { border-radius: var(--radius); overflow: hidden; position: relative; cursor: pointer; group: true; }
.project-card img { width: 100%; height: 250px; object-fit: cover; transition: var(--transition); }
.project-card:hover img { transform: scale(1.05); }
.project-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px; background: linear-gradient(transparent, rgba(0,0,0,0.8)); color: var(--white); transform: translateY(100%); transition: var(--transition); }
.project-card:hover .project-overlay { transform: translateY(0); }
.project-overlay h4 { font-size: 16px; font-weight: 600; }
.project-overlay p { font-size: 13px; opacity: 0.8; }

/* ========== PRICING ========== */
.pricing { padding: 80px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.pricing-card { background: var(--white); border-radius: var(--radius); padding: 40px 30px; text-align: center; border: 2px solid var(--gray-light); transition: var(--transition); }
.pricing-card:hover { border-color: var(--primary); transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.pricing-card.highlighted { background: var(--primary); color: var(--white); border-color: var(--primary); transform: scale(1.05); }
.pricing-card.highlighted:hover { transform: scale(1.05) translateY(-5px); }
.pricing-card .plan-name { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.pricing-card .price { font-size: 48px; font-weight: 800; margin-bottom: 5px; }
.pricing-card .price span { font-size: 16px; font-weight: 400; }
.pricing-card .period { font-size: 14px; margin-bottom: 25px; opacity: 0.7; }
.pricing-card ul { text-align: left; margin-bottom: 30px; }
.pricing-card ul li { padding: 8px 0; font-size: 14px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(0,0,0,0.05); }
.pricing-card.highlighted ul li { border-bottom-color: rgba(255,255,255,0.15); }
.pricing-card ul li i { color: var(--primary); font-size: 14px; }
.pricing-card.highlighted ul li i { color: var(--white); }
.pricing-card .btn { width: 100%; justify-content: center; }
.pricing-card.highlighted .btn { background: var(--white); color: var(--primary); }
.pricing-card.highlighted .btn:hover { background: var(--dark); color: var(--white); }

/* ========== MARQUEE ========== */
.marquee { padding: 25px 0; background: var(--primary); overflow: hidden; }
.marquee-track { display: flex; animation: marquee 20s linear infinite; white-space: nowrap; }
.marquee-track span { font-size: 24px; font-weight: 700; color: var(--white); margin-right: 50px; text-transform: uppercase; letter-spacing: 3px; }
.marquee-track span::after { content: ' *'; margin-left: 50px; color: rgba(255,255,255,0.5); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ========== FAQ ========== */
.faq { padding: 80px 0; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--gray-light); border-radius: var(--radius); margin-bottom: 15px; overflow: hidden; }
.faq-question { width: 100%; padding: 20px 25px; background: var(--white); border: none; text-align: left; font-size: 16px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); font-family: 'Inter', sans-serif; }
.faq-question:hover { background: var(--gray-light); }
.faq-question.active { background: var(--primary); color: var(--white); }
.faq-question i { transition: transform 0.3s ease; }
.faq-question.active i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 20px 25px; color: var(--gray); line-height: 1.7; font-size: 14px; }

/* ========== STATS ========== */
.stats { padding: 60px 0; background: var(--dark); }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-item { text-align: center; color: var(--white); }
.stat-item .number { font-size: 42px; font-weight: 800; color: var(--primary-light); margin-bottom: 5px; }
.stat-item .label { font-size: 14px; opacity: 0.8; }

/* ========== CTA FORM ========== */
.cta-form { padding: 80px 0; background: var(--dark-2); }
.cta-form .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-form-content h2 { font-size: 36px; font-weight: 800; color: var(--white); margin-bottom: 15px; line-height: 1.2; }
.cta-form-content p { color: rgba(255,255,255,0.7); margin-bottom: 20px; }
.cta-form-box { background: var(--white); border-radius: var(--radius); padding: 35px; }
.cta-form-box h3 { font-size: 22px; font-weight: 700; margin-bottom: 20px; }
.form-group { margin-bottom: 15px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 16px; border: 1px solid #E2E8F0; border-radius: 8px; font-size: 14px; font-family: 'Inter', sans-serif; transition: var(--transition); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-group textarea { height: 100px; resize: vertical; }

/* ========== MARQUEE 2 ========== */
.marquee-2 { padding: 20px 0; background: var(--gray-light); overflow: hidden; }
.marquee-2 .marquee-track { animation-direction: reverse; }
.marquee-2 .marquee-track span { color: var(--dark); font-size: 20px; }

/* ========== TESTIMONIAL ========== */
.testimonial { padding: 80px 0; }
.testimonial-card { max-width: 700px; margin: 0 auto; text-align: center; }
.testimonial-card .quote-icon { font-size: 48px; color: var(--primary); margin-bottom: 20px; }
.testimonial-card blockquote { font-size: 18px; color: var(--dark); line-height: 1.8; font-style: italic; margin-bottom: 25px; }
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 15px; }
.testimonial-author img { width: 55px; height: 55px; border-radius: 50%; object-fit: cover; border: 3px solid var(--primary); }
.testimonial-author .info h4 { font-size: 16px; font-weight: 600; }
.testimonial-author .info p { font-size: 13px; color: var(--gray); }

/* ========== TEAM ========== */
.team { padding: 80px 0; background: var(--gray-light); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.team-card { background: var(--white); border-radius: var(--radius); overflow: hidden; text-align: center; transition: var(--transition); box-shadow: var(--shadow); }
.team-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.team-card img { width: 100%; height: 280px; object-fit: cover; }
.team-card .info { padding: 20px; }
.team-card .info h4 { font-size: 18px; font-weight: 700; margin-bottom: 5px; }
.team-card .info p { font-size: 13px; color: var(--primary); font-weight: 500; margin-bottom: 12px; }
.team-social { display: flex; justify-content: center; gap: 10px; }
.team-social a { width: 35px; height: 35px; border-radius: 50%; background: var(--gray-light); display: flex; align-items: center; justify-content: center; color: var(--gray); font-size: 14px; transition: var(--transition); }
.team-social a:hover { background: var(--primary); color: var(--white); }

/* ========== CTA BANNER ========== */
.cta-banner { padding: 80px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); text-align: center; }
.cta-banner h2 { font-size: 36px; font-weight: 800; color: var(--white); margin-bottom: 20px; max-width: 700px; margin-left: auto; margin-right: auto; }
.cta-banner .btn { margin-top: 10px; }

/* ========== BLOG ========== */
.blog { padding: 80px 0; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.blog-card { border-radius: var(--radius); overflow: hidden; background: var(--white); box-shadow: var(--shadow); transition: var(--transition); }
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.blog-card img { width: 100%; height: 220px; object-fit: cover; }
.blog-card .content { padding: 25px; }
.blog-card .meta { display: flex; gap: 15px; margin-bottom: 12px; font-size: 13px; color: var(--gray); }
.blog-card .meta span i { color: var(--primary); margin-right: 5px; }
.blog-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.blog-card h3:hover { color: var(--primary); }
.blog-card p { font-size: 14px; color: var(--gray); line-height: 1.6; margin-bottom: 15px; }
.blog-card .read-more { color: var(--primary); font-weight: 600; font-size: 14px; }

/* ========== TECH ========== */
.tech { padding: 50px 0; background: var(--gray-light); }
.tech .container { display: flex; justify-content: center; gap: 50px; align-items: center; }
.tech-icon { width: 70px; height: 70px; border-radius: 16px; background: var(--white); display: flex; align-items: center; justify-content: center; font-size: 32px; color: var(--gray); box-shadow: var(--shadow); transition: var(--transition); }
.tech-icon:hover { color: var(--primary); transform: translateY(-3px); }

/* ========== SOCIAL ========== */
.social-section { padding: 40px 0; }
.social-section .container { display: flex; justify-content: center; gap: 20px; }
.social-link { width: 50px; height: 50px; border-radius: 50%; background: var(--gray-light); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--gray); transition: var(--transition); }
.social-link:hover { background: var(--primary); color: var(--white); transform: translateY(-3px); }

/* ========== FOOTER ========== */
.footer { background: var(--dark); color: var(--white); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { color: var(--white); font-size: 28px; font-weight: 800; margin-bottom: 15px; display: block; }
.footer-brand .logo span { color: var(--primary-light); }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.footer h4 { font-size: 18px; font-weight: 600; margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-links a:hover { color: var(--primary-light); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-contact li i { color: var(--primary-light); margin-top: 3px; }
.footer-apps { display: flex; gap: 10px; margin-top: 15px; }
.footer-apps a { padding: 8px 16px; background: var(--dark-2); border-radius: 8px; color: var(--white); font-size: 12px; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-apps a:hover { background: var(--primary); }
.footer-apps a i { font-size: 20px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 25px; text-align: center; color: rgba(255,255,255,0.5); font-size: 13px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-image { max-width: 500px; margin: 0 auto; }
  .hero-buttons { justify-content: center; }
  .welcome .container { grid-template-columns: 1fr; }
  .welcome-image { max-width: 400px; margin: 0 auto; }
  .progress-section .container { grid-template-columns: 1fr; }
  .progress-image { max-width: 500px; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-form .container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-right .nav-search { display: none; }
  .hamburger { display: flex; }
  .nav-links.active { display: flex; flex-direction: column; position: absolute; top: 75px; left: 0; right: 0; background: var(--white); padding: 20px; box-shadow: var(--shadow); gap: 15px; }
  .hero-content h1 { font-size: 32px; }
  .section-header h2 { font-size: 28px; }
  .service-icons .container { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.highlighted { transform: scale(1); }
  .stats .container { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .team-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner h2 { font-size: 26px; }
  .welcome-content h2, .progress-content h2, .cta-form-content h2 { font-size: 28px; }
  .stat-item .number { font-size: 32px; }
}