:root {
    --primary: #6b21a8;
    --primary-light: #f5f3ff;
    --dark: #0f172a;
    --text: #475569;
    --white: #ffffff;
    --header-h: 80px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Outfit', sans-serif; padding-top: var(--header-h); color: var(--text); -webkit-font-smoothing: antialiased; }

/* --- HEADER BAR (Updated) --- */
.site-header {
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: var(--header-h);
    background: var(--white); 
    z-index: 2000; 
    border-bottom: 1px solid #f1f5f9;
    /* Added for scroll effect */
    transition: transform 0.4s var(--ease);
    will-change: transform;
}

/* Hidden state triggered by JS */
.site-header.header-hidden {
    transform: translateY(-100%);
}

.header-container {
    max-width: 1400px; margin: 0 auto; padding: 0 24px; height: 100%;
    display: flex; justify-content: space-between; align-items: center;
    position: relative; z-index: 2010; background: var(--white);
}

/* --- LOGO & TAGLINE --- */
.logo-group { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-img { height: 40px; width: auto; }
.logo-meta { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name { font-size: 1.5rem; font-weight: 800; color: var(--dark); }
.logo-name span { color: var(--primary); }
.logo-tagline { font-size: 10px; font-weight: 600; color: var(--text); text-transform: uppercase; letter-spacing: 0.5px; }

/* --- DESKTOP NAV --- */
.nav-list { display: flex; list-style: none; gap: 5px; align-items: center; }
.nav-btn, .nav-link {
    font-size: 15px; font-weight: 700; padding: 10px 18px; color: var(--dark);
    text-decoration: none; border: none; background: transparent; cursor: pointer;
    display: flex; align-items: center; gap: 10px; border-radius: 8px; transition: 0.3s;
    font-family: 'Outfit', sans-serif;
}
.nav-btn:hover, .nav-btn.active { color: var(--primary); background: var(--primary-light); }
.nav-icon { font-size: 14px; color: var(--primary); }
.arrow-icon { font-size: 11px; transition: transform 0.4s var(--ease); }
.nav-btn.active .arrow-icon { transform: rotate(180deg); }

.cta-btn {
    background: var(--dark); color: #fff !important; padding: 12px 28px; border-radius: 50px;
    font-weight: 700; text-decoration: none; transition: 0.3s; display: inline-block;
}

/* --- MOBILE HAMBURGER --- */
.mobile-menu-trigger {
    display: none; width: 30px; height: 24px; position: relative;
    background: transparent; border: none; cursor: pointer; z-index: 2020;
}
.bar { position: absolute; left: 0; width: 100%; height: 2.5px; background: var(--dark); transition: 0.4s var(--ease); }
.bar.top { top: 0; } .bar.mid { top: 10px; } .bar.bot { top: 20px; }
.mobile-menu-trigger.active .bar.top { transform: translateY(10px) rotate(45deg); }
.mobile-menu-trigger.active .bar.mid { opacity: 0; }
.mobile-menu-trigger.active .bar.bot { transform: translateY(-10px) rotate(-45deg); }

/* --- DRAWER & MEGA MENU --- */
.mobile-drawer, .mega-dropdown {
    position: fixed; top: 0; left: 0; width: 100%;
    background: var(--white); z-index: 1999;
    padding-top: var(--header-h);
    visibility: hidden; opacity: 0; transform: translateY(-100%);
    transition: 0.5s var(--ease);
}
.mobile-drawer.active, .mega-dropdown.is-open { visibility: visible; opacity: 1; transform: translateY(0); }

/* --- MOBILE MENU ALIGNMENT --- */
.mobile-drawer { height: max-content; max-height: 90vh; overflow-y: auto; padding: 0 24px 40px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.mobile-menu { list-style: none; margin-top: 10px; }
.mob-link, .mob-tree-btn {
    display: flex; justify-content: flex-start; align-items: center;
    width: 100%; padding: 18px 0; font-size: 1rem; font-weight: 700;
    color: var(--dark); text-decoration: none; border: none; background: transparent;
    cursor: pointer; border-bottom: 1px solid #f1f5f9; gap: 15px;
    font-family: 'Outfit', sans-serif;
}
.mob-link i, .mob-tree-btn span i { color: var(--primary); width: 20px; text-align: center; }

.mob-tree-btn { justify-content: space-between; }
.mob-tree-btn span { display: flex; align-items: center; gap: 15px; }

.mob-tree-wrapper { display: grid; grid-template-rows: 0fr; transition: 0.4s var(--ease); overflow: hidden; }
.mob-tree-btn.active + .mob-tree-wrapper { grid-template-rows: 1fr; }
.mob-tree-btn.active .arrow-icon { transform: rotate(180deg); }

.mob-tree-content { min-height: 0; padding-left: 35px; background: #fcfaff; border-radius: 8px; }
.category-label { display: block; font-size: 10px; font-weight: 800; text-transform: uppercase; color: var(--primary); letter-spacing: 1px; margin: 15px 0 5px; }
.tree-category a { display: block; padding: 8px 0; color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.95rem; }

.mob-cta-wrapper { padding-top: 30px; display: flex; justify-content: center; width: 100%; }
.center-btn { width: 80%; text-align: center; }

/* --- MEGA MENU --- */
.mega-grid { max-width: 1200px; margin: 0 auto; padding: 50px 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.column-title { color: var(--primary); text-transform: uppercase; font-size: 12px; font-weight: 800; margin-bottom: 20px; }
.mega-column a { display: flex; align-items: center; gap: 10px; padding: 10px 0; text-decoration: none; color: var(--dark); font-weight: 500; }
.mega-column a i { color: var(--primary); width: 18px; }

/* --- RESPONSIVE --- */
@media (max-width: 992px) { .desktop-nav { display: none; } .mobile-menu-trigger { display: block; } }
@media (max-width: 768px) {
    :root { --header-h: 70px; }
    .logo-img { height: 32px; }
    .logo-name { font-size: 1rem; }
    .logo-tagline { font-size: 8px; }
}


        .user-profile-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.08);
            padding: 4px 12px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .nav-profile-img {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid #38bdf8;
        }
        .logout-icon { color: #ff4757; font-size: 0.95rem; transition: 0.3s; }
        .logout-icon:hover { transform: scale(1.15); opacity: 0.8; }
        
        /* Mobile Bottom UI Fixes */
        .mobile-menu {
            display: flex;
            flex-direction: column;
            height: 100%; /* Drawer ki puri height */
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mob-spacer { flex-grow: 1; } /* Yeh baki items ko upar push karega */
        
        .mob-user-card {
            padding: 20px;
            background: #f8f9fa;
            display: flex;
            align-items: center;
            gap: 15px;
            margin-top: 20px;
        }

        /* Tree Animation Fix */
        .mob-tree-wrapper {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-out;
        }
        .mob-tree-wrapper.active {
            max-height: 500px;
        }