/* Color Palette: Teal Blue (#008080 / #00a8a8), Light Background, Modern Styling */
:root {
    --teal-primary: #008080;
    --teal-dark: #005656;
    --teal-light: #e6f2f2;
    --text-dark: #222222;
    --text-muted: #555555;
    --bg-light-transparent: rgba(255, 255, 255, 0.85);
    --shadow-light: 0 4px 20px rgba(0, 128, 128, 0.1);
}

/* Base Styles & Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}

body {
    background-color: #f9fbfb;
}

/* Sticky & Transparent Navbar Container */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-light-transparent);
    backdrop-filter: blur(10px); /* Frosted Glass Effect */
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    border-bottom: 1px solid rgba(0, 128, 128, 0.15);
    transition: all 0.3s ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
}

/* Brand Logo and Title Area */
.nav-brand .brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.site-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: 0.5px;
}

.site-title .highlight {
    color: var(--teal-primary);
}

/* Navigation Links */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 25px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 6px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--teal-primary);
}

/* Bottom Hover Underline Animation */
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--teal-primary);
    transition: width 0.3s ease;
}

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

/* Call Button Styling */
.call-btn {
    background: var(--teal-primary);
    color: #ffffff;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0, 128, 128, 0.25);
    transition: all 0.3s ease;
}

.call-btn:hover {
    background: var(--teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 128, 128, 0.35);
}

.mobile-call {
    display: none;
}

/* Hamburger Menu Icon */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 2px 0;
    background-color: var(--teal-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Responsive Mobile Layout */
@media screen and (max-width: 992px) {
    .nav-cta {
        display: none; /* Hide Desktop Button */
    }

    .mobile-call {
        display: block;
        margin-top: 15px;
    }

    .hamburger {
        display: block;
    }

    /* Mobile Hamburger Animation */
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Slide Down Mobile Menu */
    .nav-menu {
        position: absolute;
        top: 100%;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        text-align: center;
        padding: 25px 0;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
        border-bottom: 2px solid var(--teal-primary);
        transition: left 0.4s ease;
        gap: 20px;
    }

    .nav-menu.active {
        left: 0;
    }
}