:root {
    --primary: #00B4D8; /* Ocean Teal/Cyan */
    --primary-dark: #0077B6;
    --secondary: #2C5F2D; /* Deep Tropical Green */
    --accent: #F4D03F; /* Sun Yellow */
    --text-main: #2B2D42;
    --text-light: #8D99AE;
    --white: #FFFFFF;
    --bg-light: #F8F9FA;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

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

/* Typography elements */
h1, h2, h3 {  font-weight: 800; }
a { text-decoration: none; color: inherit; }
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(0, 180, 216, 0.4);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(0, 119, 182, 0.6);
}
.btn-secondary {
    background: var(--white);
    color: var(--text-main);
}
.btn-secondary:hover {
    background: var(--bg-light);
    transform: translateY(-3px);
}
.btn-outline {
    background: transparent;
    border-color: var(--white);
    color: var(--white);
}
.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
#navbar.scrolled .logo, #navbar.scrolled .nav-links a { color: var(--text-main); }
#navbar.scrolled .btn-outline { border-color: var(--primary); color: var(--primary); }
#navbar.scrolled .btn-outline:hover { background: var(--primary); color: var(--white); }

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo span { color: var(--accent); }
.logo i { color: var(--secondary); }
.nav-links { list-style: none; display: flex; align-items: center; gap: 30px; }
.nav-links a { color: var(--white); font-weight: 600; font-size: 0.95rem; }
.menu-toggle { display: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }
#navbar.scrolled .menu-toggle { color: var(--text-main); }

/* Hero */
.hero {
    height: 100vh;
    background: url('hero-bg.jpg') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(0, 119, 182, 0.7) 0%, rgba(44, 95, 45, 0.6) 100%);
}
.hero-content {
    position: relative;
    z-index: 10;
    color: var(--white);
    max-width: 800px;
    padding: 0 20px;
}
.hero h1 { font-size: 4rem; line-height: 1.1; margin-bottom: 20px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.2rem; margin-bottom: 40px; font-weight: 300; }
.hero-buttons { display: flex; gap: 15px; justify-content: center; }

/* Sections Common */
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2.5rem; color: var(--text-main); position: relative; display: inline-block; }
.section-title h2::after {
    content: ''; position: absolute; width: 50%; height: 4px;
    background: var(--primary); bottom: -10px; left: 25%; border-radius: 2px;
}
.section-title p { color: var(--text-light); margin-top: 20px; font-size: 1.1rem; }

/* Services */
.services { padding: 100px 20px; background: var(--bg-light); }
.container { max-width: 1200px; margin: 0 auto; }
.service-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 5px;
    background: var(--primary); transform: scaleX(0); transition: var(--transition); transform-origin: left;
}
.card:hover { transform: translateY(-10px); box-shadow: 0 15px 40px rgba(0,0,0,0.1); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
    width: 80px; height: 80px; background: rgba(0, 180, 216, 0.1);
    color: var(--primary); font-size: 2rem; display: flex; align-items: center;
    justify-content: center; border-radius: 50%; margin: 0 auto 25px; transition: var(--transition);
}
.card:hover .card-icon { background: var(--primary); color: var(--white); }
.card h3 { font-size: 1.5rem; margin-bottom: 15px; }
.card p { color: var(--text-light); }

/* About */
.about { padding: 100px 20px; }
.about-container {
    max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 60px;
}
.about-image {
    flex: 1; height: 500px; border-radius: 20px;
    background: url('about-img.jpg') center/cover no-repeat;
    background-color: var(--secondary); /* fallback */
    box-shadow: 20px 20px 0 var(--accent);
}
.about-text { flex: 1; }
.about-text h2 { font-size: 2.8rem; margin-bottom: 20px; line-height: 1.2; }
.about-text h2 span { color: var(--secondary); }
.about-text p { color: var(--text-light); margin-bottom: 30px; font-size: 1.1rem; }
.perks { list-style: none; }
.perks li { margin-bottom: 15px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.perks i { color: var(--primary); font-size: 1.2rem; }

/* Contact Banner */
.contact { padding: 100px 20px; background: url('hero-bg.jpg') center/cover fixed; position: relative; }
.contact::before { content: ''; position: absolute; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.6); }
.glass-panel {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 50px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white);
}
.glass-panel h2 { font-size: 2.5rem; margin-bottom: 15px; }
.glass-panel p { margin-bottom: 30px; font-weight: 300; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; gap: 20px; }
.form-group input { flex: 1; }
.contact-form input, .contact-form textarea {
    padding: 15px; border-radius: 10px; border: none; background: rgba(255,255,255,0.9);
    font-family: inherit; font-size: 1rem; outline: none; transition: var(--transition);
}
.contact-form input:focus, .contact-form textarea:focus { box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.5); }
.btn-block { width: 100%; margin-top: 10px; padding: 15px; font-size: 1.1rem; }

/* Footer */
footer { background: var(--text-main); color: var(--white); padding: 80px 20px 20px; }
.footer-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; margin-bottom: 60px; }
.footer-brand h3 { font-size: 1.8rem; margin-bottom: 15px; }
.footer-brand span { color: var(--accent); }
.footer-brand p { color: var(--text-light); max-width: 300px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4, .footer-contact h4 { font-size: 1.2rem; margin-bottom: 20px; color: var(--accent); }
.footer-links a { color: var(--text-light); transition: var(--transition); }
.footer-links a:hover { color: var(--primary); padding-left: 5px; }
.footer-contact p { color: var(--text-light); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--primary); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); color: var(--text-light); font-size: 0.9rem; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: absolute; top: 100%; left: 0; width: 100%; background: var(--white);
        flex-direction: column; padding: 30px 20px; opacity: 0; visibility: hidden; transition: var(--transition);
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    }
    .nav-links.active { opacity: 1; visibility: visible; }
    .nav-links a { color: var(--text-main) !important; }
    .nav-links .btn-outline { background: var(--primary); color: var(--white) !important; border:none; }
    .menu-toggle { display: block; }
    
    .hero h1 { font-size: 2.8rem; }
    .hero-buttons { flex-direction: column; }
    
    .about-container { flex-direction: column; }
    .about-image { width: 100%; height: 300px; }
    
    .form-group { flex-direction: column; }
    .glass-panel { padding: 30px 20px; }
}