/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
:root {
    --primary-color: #0d233a; /* Deep Navy Blue */
    --accent-color: #c5a059;  /* Gold / Copper */
    --text-color: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --transition: 0.3s ease-in-out;
    --font-main: 'Heebo', sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

ul {
    list-style: none;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-color);
    color: var(--white);
    padding: 8px;
    z-index: 10000;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

*:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-subtitle {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 500;
}

/* Desktop Nav */
.desktop-nav ul {
    display: flex;
    gap: 30px;
}

.desktop-nav a {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--primary-color);
}

.desktop-nav a:hover,
.desktop-nav a:focus {
    color: var(--accent-color);
}

.btn-call {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color var(--transition);
}

.btn-call:hover,
.btn-call:focus {
    background-color: #a88746;
}

.desktop-only {
    display: block;
}

/* ==========================================================================
   Mobile Menu (Hamburger & Overlay)
   ========================================================================== */
.hamburger-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 2000;
}

.hamburger-line {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: all var(--transition);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--primary-color);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-overlay-content {
    text-align: center;
    width: 100%;
    padding: 20px;
    transform: translateY(20px);
    transition: transform var(--transition);
}

.mobile-overlay.active .mobile-overlay-content {
    transform: translateY(0);
}

.mobile-nav-menu ul {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav-menu a {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 500;
    display: block;
    padding: 10px;
}

.mobile-nav-menu a:hover,
.mobile-nav-menu a:focus {
    color: var(--accent-color);
}

.mobile-actions {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.btn-mobile-action {
    display: block;
    width: 80%;
    max-width: 300px;
    padding: 15px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}

.call-action {
    background-color: var(--accent-color);
}

.whatsapp-action {
    background-color: #25D366; /* WhatsApp Brand Color */
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 0 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 40px 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-heading {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-text {
    color: #cccccc;
    margin-bottom: 10px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #cccccc;
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--accent-color);
    padding-right: 5px;
}

.footer-bottom {
    background-color: #081726;
    padding: 20px;
    text-align: center;
}

.footer-bottom-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #888888;
    font-size: 0.9rem;
}

.accessibility-link {
    color: #888888;
    text-decoration: underline;
}

/* ==========================================================================
   Media Queries (Mobile & Tablet)
   ========================================================================== */
@media (max-width: 991px) {
    .desktop-nav,
    .desktop-only {
        display: none;
    }

    .hamburger-btn {
        display: block;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 15px;
    }
}

/* Hamburger Animation State */
.hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: var(--white);
}

.hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background-color: var(--white);
}