/* --- CSS Variables & Reset --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #008080; /* Teal/Turquoise */
  --primary-light: #48b8b8;
  --secondary: #0f172a; /* Dark Navy */
  --bg-color: #f8fafc;
  --white: #ffffff;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(0, 128, 128, 0.5);
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Outfit', sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- Preloader --- */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-color);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-icon {
  font-size: 4rem;
  color: var(--primary);
  animation: pulse-drop 1.5s infinite alternate;
}

.loader-text {
  margin-top: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 5px;
  animation: fadeInOut 2s infinite;
}

@keyframes pulse-drop {
  0% { transform: scale(0.9) translateY(0); filter: drop-shadow(0 0 10px rgba(0,128,128,0.2)); }
  100% { transform: scale(1.1) translateY(-10px); filter: drop-shadow(0 15px 20px rgba(0,128,128,0.6)); }
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 { color: var(--secondary); font-weight: 700; line-height: 1.2; }
h2 { font-size: 2.5rem; margin-bottom: 1rem; text-align: center; }
.section-subtitle {
  text-align: center; color: var(--primary); font-weight: 500;
  margin-bottom: 3rem; font-size: 1.1rem; text-transform: uppercase; letter-spacing: 2px;
}

/* --- Header & Nav --- */
header {
  position: fixed; 
  top: 0; 
  left: 50%; 
  transform: translateX(-50%);
  width: 100%; 
  z-index: 1000;
  background: transparent;
  transition: all 0.7s cubic-bezier(0.25, 1, 0.5, 1);
  padding: 15px 0;
}

header.scrolled {
  top: 15px;
  width: 92%;
  max-width: 1200px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 100px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  padding: 5px 10px;
}

header.scrolled .logo, header.scrolled .nav-links a { color: var(--secondary); }
header.scrolled .nav-links a.active { color: var(--primary); }

.nav-container {
  max-width: 1200px; margin: 0 auto; display: flex;
  justify-content: space-between; align-items: center; padding: 1rem 2rem;
  transition: all 0.4s ease;
}

.logo { font-size: 1.8rem; font-weight: 700; color: var(--white); display: flex; align-items: center; gap: 0.5rem; transition: var(--transition); text-shadow: 0 2px 4px rgba(0,0,0,0.3); }
header.scrolled .logo { text-shadow: none; font-size: 1.6rem; }
.logo i { color: var(--primary); }

.nav-links { display: flex; gap: 1rem; align-items: center; }
.nav-links a { font-weight: 500; position: relative; transition: var(--transition); color: var(--white); text-shadow: 0 1px 3px rgba(0,0,0,0.4); padding: 8px 16px; border-radius: 30px; }
header.scrolled .nav-links a { text-shadow: none; }

.nav-links a:hover, .nav-links a.active { color: var(--primary-light); }
header.scrolled .nav-links a:hover, header.scrolled .nav-links a.active { 
  color: var(--primary); 
  background: rgba(0, 128, 128, 0.08);
}

.nav-cta .btn {
  background-color: var(--primary); color: var(--white); padding: 0.8rem 1.5rem;
  border-radius: 50px; font-weight: 600; transition: var(--transition);
  border: 2px solid var(--primary); position: relative; overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,128,128,0.3);
}

.nav-cta .btn:hover {
  background-color: transparent; color: var(--primary);
  box-shadow: var(--shadow-glow); transform: translateY(-2px);
}
header:not(.scrolled) .nav-cta .btn:hover { color: var(--white); border-color: var(--white); }

.mobile-menu-btn { display: none; font-size: 1.5rem; cursor: pointer; color: var(--white); }
header.scrolled .mobile-menu-btn { color: var(--secondary); }

/* --- Hero Section --- */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden;
}

.hero-bg {
  position: absolute; top: -5%; left: -5%; width: 110%; height: 110%;
  object-fit: cover; z-index: -2;
  animation: kenburns 20s infinite alternate ease-in-out;
}

@keyframes kenburns {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.1) translate(-2%, -2%); }
}

.hero-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(15,23,42,0.85) 0%, rgba(0,128,128,0.6) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 1200px; margin: 0 auto; padding: 2rem; padding-top: 100px; color: var(--white); text-align: center;
}

.badge {
  display: inline-block; background: rgba(255,255,255,0.15); backdrop-filter: blur(10px);
  padding: 0.5rem 1.2rem; border-radius: 30px; font-size: 0.95rem; font-weight: 600;
  margin-bottom: 1.5rem; border: 1px solid rgba(255,255,255,0.3);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.hero h1 { font-size: 4.5rem; color: var(--white); margin-bottom: 1.5rem; text-shadow: 0 4px 10px rgba(0,0,0,0.3); }
.hero p { font-size: 1.25rem; margin-bottom: 2.5rem; max-width: 700px; margin-left: auto; margin-right: auto; text-shadow: 0 2px 5px rgba(0,0,0,0.3); }

.hero-btns { display: flex; gap: 1.5rem; justify-content: center; }

.btn-primary, .btn-secondary {
  padding: 1.1rem 2.5rem; border-radius: 50px; font-weight: 600; font-size: 1.1rem;
  transition: var(--transition); display: flex; align-items: center; gap: 0.8rem;
  position: relative; overflow: hidden;
}

.btn-primary {
  background-color: var(--primary); color: var(--white); border: 2px solid var(--primary);
  box-shadow: 0 4px 15px rgba(0,128,128,0.4);
}

.btn-primary:hover {
  background-color: var(--white); color: var(--primary); border-color: var(--white);
  transform: translateY(-5px); box-shadow: 0 15px 25px rgba(0,0,0,0.2);
}

.btn-secondary { background-color: transparent; color: var(--white); border: 2px solid var(--white); backdrop-filter: blur(5px); }
.btn-secondary:hover { background-color: var(--white); color: var(--secondary); transform: translateY(-5px); box-shadow: 0 15px 25px rgba(0,0,0,0.2); }

/* --- Features / Advantages --- */
.features {
  padding: 6rem 2rem; background: var(--white); margin-top: -50px; position: relative; z-index: 10;
  border-radius: 40px 40px 0 0; box-shadow: 0 -20px 40px rgba(0,0,0,0.08);
}

.features-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2.5rem; }

.feature-card {
  text-align: center; padding: 2.5rem 2rem; border-radius: 24px; background: var(--bg-color);
  transition: var(--transition); border: 1px solid rgba(0,0,0,0.02); position: relative; overflow: hidden;
}

.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(0,128,128,0.03) 100%);
  opacity: 0; transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-15px); background: var(--white); box-shadow: var(--shadow-lg); border-color: rgba(0,128,128,0.1);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 80px; height: 80px; background: rgba(0,128,128,0.08); color: var(--primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; margin: 0 auto 1.5rem; transition: var(--transition);
}

.feature-card:hover .feature-icon { background: var(--primary); color: var(--white); transform: scale(1.1) rotate(5deg); box-shadow: var(--shadow-glow); }
.feature-card h3 { margin-bottom: 1rem; font-size: 1.4rem; transition: var(--transition); }
.feature-card:hover h3 { color: var(--primary); }
.feature-card p { color: var(--text-muted); }

/* --- Services Section --- */
.services { padding: 7rem 2rem; max-width: 1200px; margin: 0 auto; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(450px, 1fr)); gap: 3rem; }

.service-card {
  background: var(--white); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-md);
  transition: var(--transition); position: relative; border: 1px solid rgba(0,0,0,0.03);
}

.service-card:hover { transform: translateY(-15px); box-shadow: 0 25px 50px -12px rgba(0,128,128,0.25); }

.service-img { width: 100%; height: 260px; overflow: hidden; position: relative; }
.service-img::after {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 100%); opacity: 0; transition: var(--transition);
}
.service-card:hover .service-img::after { opacity: 1; }

.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
.service-card:hover .service-img img { transform: scale(1.15); }

.service-content { padding: 2.5rem; position: relative; background: var(--white); z-index: 2; }
.service-content h3 { margin-bottom: 1rem; font-size: 1.6rem; transition: var(--transition); }
.service-card:hover .service-content h3 { color: var(--primary); }
.service-content p { color: var(--text-muted); margin-bottom: 1.5rem; }

.service-link {
  color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; transition: var(--transition);
  padding: 0.5rem 1rem; background: rgba(0,128,128,0.05); border-radius: 50px;
}
.service-card:hover .service-link { background: var(--primary); color: var(--white); padding-right: 1.5rem; }
.service-link i { transition: transform 0.3s ease; }
.service-card:hover .service-link i { transform: translateX(5px); }

/* --- Call to Action Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--secondary) 0%, #0f243b 100%);
  color: var(--white); padding: 8rem 2rem; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(0,128,128,0.15) 0%, transparent 70%); animation: rotate 20s linear infinite;
}
@keyframes rotate { 100% { transform: rotate(360deg); } }

.cta-container { max-width: 800px; margin: 0 auto; position: relative; z-index: 1; }
.cta-section h2 { color: var(--white); margin-bottom: 1.5rem; font-size: 3rem; text-shadow: 0 4px 10px rgba(0,0,0,0.3); }
.cta-section p { color: #cbd5e1; font-size: 1.3rem; margin-bottom: 3rem; }
.cta-section .btn-primary { display: inline-flex; background: var(--white); color: var(--primary); border-color: var(--white); font-size: 1.2rem; padding: 1.2rem 3rem; }
.cta-section .btn-primary:hover { background: transparent; color: var(--white); border-color: var(--white); box-shadow: var(--shadow-glow); }

/* --- Forms & Footer remain mostly similar, just polished --- */
.contact-page { padding: 10rem 2rem 5rem; max-width: 1200px; margin: 0 auto; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-info, .contact-form { background: var(--white); padding: 3.5rem; border-radius: 24px; box-shadow: var(--shadow-lg); transition: var(--transition); border: 1px solid rgba(0,0,0,0.03); }
.contact-info:hover, .contact-form:hover { transform: translateY(-5px); box-shadow: 0 25px 50px -12px rgba(0,128,128,0.15); }
.info-item { display: flex; align-items: flex-start; gap: 1.5rem; margin-bottom: 2.5rem; }
.info-icon { width: 55px; height: 55px; background: rgba(0,128,128,0.1); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0; transition: var(--transition); }
.info-item:hover .info-icon { background: var(--primary); color: var(--white); transform: scale(1.1); box-shadow: var(--shadow-glow); }
.form-control { width: 100%; padding: 1.2rem; border: 2px solid #e2e8f0; border-radius: 12px; font-size: 1rem; transition: var(--transition); background: var(--bg-color); }
.form-control:focus { outline: none; border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 4px rgba(0,128,128,0.1); }
.submit-btn { width: 100%; padding: 1.2rem; background: var(--primary); color: var(--white); border: none; border-radius: 12px; font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 15px rgba(0,128,128,0.3); }
.submit-btn:hover { background: var(--secondary); transform: translateY(-3px); box-shadow: 0 10px 25px rgba(15,23,42,0.3); }

footer { background: var(--secondary); color: var(--white); padding: 6rem 2rem 2rem; position: relative; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 4rem; margin-bottom: 4rem; }
.social-links a { width: 45px; height: 45px; background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: var(--transition); color: var(--white); }
.social-links a:hover { background: var(--primary); transform: translateY(-5px) rotate(360deg); box-shadow: var(--shadow-glow); }

@media (max-width: 992px) { .hero h1 { font-size: 3.5rem; } .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; } .mobile-menu-btn { display: block; }
  .nav-links.active { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); padding: 2rem; box-shadow: var(--shadow-md); }
  .nav-links.active a { color: var(--secondary); text-shadow: none; font-size: 1.2rem; padding: 1rem 0; border-bottom: 1px solid rgba(0,0,0,0.05); }
  .hero h1 { font-size: 2.8rem; } .hero-btns { flex-direction: column; }
}