/* =========================================
   CORE VARIABLES & RESET (GLOBAL)
========================================= */
:root {
    --nav-bg: #15171A;
    --nav-border: #32363F;
    --nav-text: #F9FAFB;
    --nav-muted: #D1D5DB;
    --accent-green-bright: #368A73; 
    
    --body-bg: #F4F5F6;
    --card-bg: #FFFFFF;
    --body-text: #15171A;
    --body-muted: #4B5563;
    --card-border: #E5E7EB;
    --accent-green-dark: #1A433A; 
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    background-color: var(--body-bg);
    color: var(--body-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

@media (max-width: 800px) {
    .desktop-only { display: none !important; }
    .mobile-only { display: flex !important; }
}
@media (min-width: 801px) { .mobile-only { display: none !important; } }

/* =========================================
   BRAND LOGO
========================================= */
.brand-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}
.brand-verd {
    position: relative;
    color: var(--nav-text);
    font-weight: 700;
    padding: 0.15rem 0.35rem; 
    margin-right: 0.15rem;
}
.brand-verd::before, .brand-verd::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
}
.brand-verd::before {
    top: 0; left: 0;
    border-top: 2.5px solid var(--accent-green-bright);
    border-left: 2.5px solid var(--accent-green-bright);
}
.brand-verd::after {
    bottom: 0; right: 0;
    border-bottom: 2.5px solid var(--nav-muted);
    border-right: 2.5px solid var(--nav-muted);
}
.brand-standard {
    padding-left: 10px;
    color: var(--nav-muted);
    font-weight: 500;
}

/* =========================================
   NAVIGATION LINK STYLES
========================================= */
.nav-link {
    position: relative;
    color: var(--nav-muted);
    text-decoration: none;
    font-size: 1.05rem; 
    font-weight: 600;   
    padding: 0.5rem 0.75rem; 
    transition: color 0.3s ease;
    cursor: pointer;
}
.nav-link.disabled {
    color: #4B5563;
    opacity: 0.6;
    pointer-events: none;
}
.nav-link::before, .nav-link::after {
    content: '';
    position: absolute;
    width: 8px; height: 8px;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link::before {
    top: -2px; left: -2px; 
    border-top: 2px solid var(--accent-green-bright);
    border-left: 2px solid var(--accent-green-bright);
}
.nav-link::after {
    bottom: -2px; right: -2px;
    border-bottom: 2px solid #6B7280;
    border-right: 2px solid #6B7280;
}
.nav-link:hover { color: var(--nav-text); }
.nav-link:hover::before { top: 4px; left: 4px; opacity: 1; }
.nav-link:hover::after { bottom: 4px; right: 4px; opacity: 1; }

.dropdown {
    position: relative;
    display: inline-block;
    padding-bottom: 1.5rem;
    margin-bottom: -1.5rem;
}
.dropdown-menu {
    visibility: hidden; opacity: 0;
    position: absolute;
    top: 100%; left: 0;
    background-color: var(--nav-bg);
    min-width: 260px;
    border: 1px solid var(--nav-border);
    border-radius: 4px;
    padding: 0.5rem 0;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    transform: translateY(10px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
}
.dropdown:hover .dropdown-menu {
    visibility: visible; opacity: 1;
    transform: translateY(0);
}
.dropdown-item {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--nav-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
}
.dropdown-item:hover {
    background-color: #202328;
    color: var(--accent-green-bright);
    padding-left: 1.75rem;
}

.footer-link {
    padding: 0.15rem 0.3rem !important; 
    font-size: 0.95rem;
    font-weight: 500;
}
.footer-link::before { top: -2px !important; left: -2px !important; }
.footer-link::after { bottom: -2px !important; right: -2px !important; }
.footer-link:hover::before { top: 0px !important; left: 0px !important; }
.footer-link:hover::after { bottom: 0px !important; right: 0px !important; }

/* =========================================
   MOBILE MENU OVERLAY
========================================= */
.mobile-overlay {
    position: fixed; inset: 0;
    background-color: var(--nav-bg);
    z-index: 999; display: none; 
    flex-direction: column; overflow: hidden;
}
.mobile-header {
    height: 5rem;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 1.5rem; border-bottom: 1px solid var(--nav-border);
}
.mobile-viewport { position: relative; flex: 1; width: 100%; overflow: hidden; }
.mobile-panel {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    padding: 2rem 1.5rem;
    display: flex; flex-direction: column; gap: 0.5rem;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-panel.active { transform: translateX(0); }
.mobile-panel.main-panel { transform: translateX(0); }
.mobile-panel.main-panel.shift-left { transform: translateX(-100%); }

.mobile-item {
    display: flex; justify-content: space-between; align-items: center;
    color: var(--nav-text); text-decoration: none;
    font-size: 1.5rem; font-weight: 600;
    padding: 1.25rem 0; border-bottom: 1px solid var(--nav-border);
    cursor: pointer;
}
.mobile-item.disabled { color: #4B5563; pointer-events: none; }
.mobile-sub-item {
    color: var(--nav-muted); text-decoration: none;
    font-size: 1.2rem; font-weight: 500;
    padding: 1rem 0; border-bottom: 1px solid var(--nav-border);
}
.mobile-back-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    color: var(--accent-green-bright); font-size: 1rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.05em;
    cursor: pointer; margin-bottom: 1.5rem;
}