:root {
  --primary-blue: #0056b3;
  --light-blue: #e6f0ff;
  --dark-blue: #003366;
  --accent-color: #007bff;
  --white: #ffffff;
  --black: #111111;
  --gray-light: #f8f9fa;
  --gray-dark: #333333;
  --text-main: #444444;
  --transition: all 0.3s ease;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 10px 20px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--white);
  color: var(--text-main);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 { color: var(--black); font-weight: 700; margin-bottom: 1rem; }
a { text-decoration: none; color: var(--accent-color); transition: var(--transition); }
a:hover { color: var(--dark-blue); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section { padding: 80px 0; }
.section-bg { background-color: var(--gray-light); }
.text-center { text-align: center; }

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary { background-color: var(--primary-blue); color: var(--white); box-shadow: 0 4px 10px rgba(0, 86, 179, 0.3); }
.btn-primary:hover { background-color: var(--dark-blue); color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 15px rgba(0, 86, 179, 0.4); }
.btn-outline { background-color: transparent; color: var(--primary-blue); border: 2px solid var(--primary-blue); }
.btn-outline:hover { background-color: var(--primary-blue); color: var(--white); }
.btn-whatsapp { background-color: #25d366; color: var(--white); display: inline-flex; align-items: center; gap: 8px; }
.btn-whatsapp:hover { background-color: #128c7e; color: var(--white); transform: translateY(-2px); }
.btn-call { background-color: var(--black); color: var(--white); display: inline-flex; align-items: center; gap: 8px; }
.btn-call:hover { background-color: var(--gray-dark); color: var(--white); transform: translateY(-2px); }

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  z-index: 1000;
  transition: var(--transition);
}

.navbar { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary-blue); display: flex; align-items: center; gap: 10px; }
.logo span { color: var(--black); }
.nav-links { display: flex; gap: 30px; }
.nav-links li a { color: var(--black); font-weight: 500; font-size: 1rem; position: relative; }
.nav-links li a::after { content: ''; position: absolute; width: 0; height: 2px; background-color: var(--primary-blue); left: 0; bottom: -5px; transition: var(--transition); }
.nav-links li a:hover::after { width: 100%; }
.mobile-menu-btn { display: none; font-size: 1.5rem; cursor: pointer; color: var(--black); }

/* Hero */
.hero { padding: 160px 0 100px; background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%); display: flex; align-items: center; min-height: 100vh; }
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.hero-text h1 { font-size: 3.5rem; line-height: 1.2; margin-bottom: 20px; color: var(--black); }
.hero-text h1 span { color: var(--primary-blue); }
.hero-text p { font-size: 1.2rem; margin-bottom: 30px; color: var(--text-main); }
.hero-buttons { display: flex; gap: 15px; }
.hero-image img { width: 100%; animation: float 6s ease-in-out infinite; }
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-20px); } 100% { transform: translateY(0px); } }

/* Sections */
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2.5rem; color: var(--black); position: relative; display: inline-block; }
.section-title h2::after { content: ''; position: absolute; width: 60px; height: 4px; background-color: var(--primary-blue); bottom: -10px; left: 50%; transform: translateX(-50%); border-radius: 2px; }
.section-title p { color: var(--text-main); margin-top: 20px; max-width: 700px; margin-inline: auto; font-size: 1.1rem; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* Cards */
.card { background: var(--white); padding: 30px; border-radius: 10px; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid #eee; text-align: center; }
.card:hover { transform: translateY(-10px); box-shadow: var(--shadow-hover); border-color: var(--light-blue); }
.card-icon { font-size: 3rem; color: var(--primary-blue); margin-bottom: 20px; }
.card-title { font-size: 1.25rem; margin-bottom: 15px; color: var(--black); }

/* About */
.about-content { align-items: center; }
.about-image img { border-radius: 10px; box-shadow: var(--shadow); }
.about-text ul { margin-top: 20px; }
.about-text ul li { margin-bottom: 10px; position: relative; padding-left: 30px; font-weight: 500;}
.about-text ul li i { color: var(--primary-blue); position: absolute; left: 0; top: 4px;}

/* Mission Vision */
.mission-vision { background-color: var(--dark-blue); color: var(--white); }
.mission-vision h2, .mission-vision h3 { color: var(--white); }
.mission-vision .card { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(10px); color: var(--white); }
.mission-vision .card-title { color: var(--white); }

/* Team */
.team-member { background: var(--white); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); text-align: center; transition: var(--transition); }
.team-member:hover { transform: translateY(-10px); box-shadow: var(--shadow-hover); }
.team-img { width: 100%; height: 300px; object-fit: cover; }
.team-info { padding: 20px; }
.team-role { color: var(--primary-blue); font-weight: 600; margin-bottom: 10px; }

/* Contact */
.contact-container { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; }
.contact-info { background: var(--primary-blue); color: var(--white); padding: 40px; border-radius: 10px; box-shadow: var(--shadow); }
.contact-info h3 { color: var(--white); margin-bottom: 20px;}
.contact-item { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 25px; }
.contact-item i { font-size: 1.5rem; background: rgba(255,255,255,0.2); padding: 10px; border-radius: 50%; }
.contact-form { background: var(--white); padding: 40px; border-radius: 10px; box-shadow: var(--shadow); border: 1px solid #eee; }
.form-group { margin-bottom: 20px; }
.form-control { width: 100%; padding: 15px; border: 1px solid #ddd; border-radius: 5px; font-size: 1rem; transition: var(--transition); background: var(--gray-light); }
.form-control:focus { outline: none; border-color: var(--primary-blue); background: var(--white); box-shadow: 0 0 0 3px rgba(0,86,179,0.1); }
textarea.form-control { height: 150px; resize: vertical; }

/* Page Header */
.page-header { padding: 180px 0 100px; background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%); color: var(--white); text-align: center; position: relative; overflow: hidden;}
.page-header::before { content: ''; position: absolute; width: 300px; height: 300px; background: rgba(255,255,255,0.05); border-radius: 50%; top: -100px; right: -100px; }
.page-header h1 { color: var(--white); font-size: 3rem; margin-bottom: 20px; position: relative; z-index: 1;}
.page-header p { font-size: 1.2rem; max-width: 800px; margin: 0 auto; position: relative; z-index: 1;}

/* Overview & Content */
.overview-section { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; margin-bottom: 60px;}
.overview-image img { border-radius: 10px; box-shadow: var(--shadow); }
.content-list li { margin-bottom: 15px; display: flex; gap: 10px; align-items: flex-start;}
.content-list li i { color: var(--primary-blue); font-size: 1.2rem; margin-top: 3px;}

/* Process */
.process-step { text-align: center; position: relative; }
.process-step:not(:last-child)::after { content: '\f061'; font-family: 'FontAwesome'; position: absolute; right: -30px; top: 30px; color: #ddd; font-size: 1.5rem; }
.step-number { width: 80px; height: 80px; background: var(--light-blue); color: var(--primary-blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; font-weight: 700; margin: 0 auto 20px; box-shadow: inset 0 0 0 4px var(--white), 0 4px 10px rgba(0,0,0,0.1); }

/* FAQ */
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid #eee; border-radius: 8px; margin-bottom: 15px; box-shadow: 0 2px 5px rgba(0,0,0,0.02); overflow: hidden;}
.faq-question { padding: 20px 25px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; color: var(--black); transition: var(--transition); background: var(--gray-light);}
.faq-question:hover { background: #f0f4f8; }
.faq-question.active { color: var(--primary-blue); background: var(--white); border-bottom: 1px solid #eee;}
.faq-question i { transition: transform 0.3s ease; }
.faq-answer { padding: 0 25px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease; background: var(--white);}
.faq-answer p { padding: 20px 0; color: var(--text-main); }

/* CTA Block */
.cta-block { background: var(--light-blue); border-radius: 15px; padding: 60px; text-align: center; margin-top: 40px;}
.cta-block h3 { font-size: 2rem; margin-bottom: 20px; }
.cta-buttons { display: flex; justify-content: center; gap: 20px; margin-top: 30px; }

/* Sticky Mobile CTA */
.sticky-cta { display: none; position: fixed; bottom: 0; left: 0; width: 100%; background: var(--white); padding: 10px 15px; box-shadow: 0 -5px 20px rgba(0,0,0,0.1); z-index: 1000; border-top: 1px solid #eee;}
.sticky-cta .btn { flex: 1; text-align: center; padding: 12px; font-size: 0.95rem; display: flex; justify-content: center;}

/* Footer */
footer { background-color: var(--black); color: #aaa; padding: 80px 0 20px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; margin-bottom: 50px; }
.footer-logo { font-size: 1.8rem; color: var(--white); font-weight: 800; margin-bottom: 20px; display: block; }
.footer-logo span { color: var(--primary-blue); }
.footer-links h4 { color: var(--white); margin-bottom: 25px; font-size: 1.2rem; position: relative; padding-bottom: 10px;}
.footer-links h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 40px; height: 2px; background: var(--primary-blue); }
.footer-links ul li { margin-bottom: 12px; }
.footer-links ul li a { color: #aaa; display: inline-block; transition: var(--transition);}
.footer-links ul li a:hover { color: var(--white); transform: translateX(5px); }
.footer-bottom { text-align: center; padding-top: 25px; border-top: 1px solid #222; }

/* Animations */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in.appear { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 992px) {
  .hero-text h1 { font-size: 3rem; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process-step:not(:last-child)::after { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 80px; left: 0; width: 100%; background: var(--white); padding: 20px; box-shadow: 0 10px 15px rgba(0,0,0,0.05); gap: 15px;}
  .nav-links.active { display: flex; }
  .mobile-menu-btn { display: block; }
  .hero { padding: 120px 0 80px; min-height: auto; text-align: center;}
  .hero-content, .about-content, .overview-section, .contact-container { grid-template-columns: 1fr; }
  .hero-buttons { justify-content: center; }
  .hero-text h1 { font-size: 2.5rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 30px;}
  .sticky-cta { display: flex; gap: 10px; }
  body { padding-bottom: 70px; }
  .cta-buttons { flex-direction: column; }
  .page-header { padding: 140px 0 60px; }
  .page-header h1 { font-size: 2.2rem; }
}