@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-blue: #004b79;
  --primary-dark: #003355;
  --secondary-teal: #00a896;
  --accent-teal: #02c39a;
  --text-main: #2b2d42;
  --text-muted: #6c757d;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-hover: 0 20px 25px rgba(0,0,0,0.15);
  
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
}

body {
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-blue);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; text-align: center; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
p { margin-bottom: 1rem; color: var(--text-muted); }

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.bg-white { background-color: var(--bg-white); }
.text-center { text-align: center; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary-teal));
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
  background: var(--primary-blue);
  color: white;
}

/* Navbar (Glassmorphism) */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand span {
  color: var(--secondary-teal);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--secondary-teal);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--secondary-teal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-blue);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 8rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(248, 249, 250, 0.9), rgba(248, 249, 250, 0.7)), url('./assets/hero.png') center/cover no-repeat;
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

/* Services / Features */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  text-align: center;
  border-bottom: 4px solid transparent;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-bottom-color: var(--secondary-teal);
}

.service-icon {
  font-size: 3rem;
  color: var(--secondary-teal);
  margin-bottom: 1.5rem;
  display: inline-block;
}

/* About Section */
.about {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.about-image {
  flex: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-content {
  flex: 1;
}

.about-list {
  list-style: none;
  margin-top: 1.5rem;
}

.about-list li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.about-list i {
  color: var(--secondary-teal);
}

/* Brackets Section */
.brackets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.bracket-item {
  background: var(--bg-white);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}

.bracket-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary-blue);
}

.bracket-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 168, 150, 0.1);
  color: var(--secondary-teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

/* Contact / Footer Section */
.footer {
  background-color: var(--primary-dark);
  color: white;
  padding: 4rem 0 2rem;
}

.footer h3, .footer h4 {
  color: white;
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  display: block;
  margin-bottom: 0.5rem;
}

.footer-link:hover {
  color: var(--secondary-teal);
  transform: translateX(5px);
}

.footer-contact {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
  color: var(--secondary-teal);
  font-size: 1.25rem;
  margin-top: 0.25rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* Animations (Intersection Observer) */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
  h1 { font-size: 2.5rem; }
  .about { flex-direction: column; }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
}