/* ===================== VARIABLES ===================== */
:root {
    --primary: #5E239D;
    --primary-hover: #4A1B7A;
    --secondary: #FF8200;
    --bg-color: #F8FAFC;
    --surface-color: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --ad-bg: #F1F5F9;
    --accent: #FF8200;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.glass-panel {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

h1, h2, h3, h4 { color: var(--primary); font-weight: 800; }
a { color: var(--text-main); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--secondary); }

/* ===================== DESKTOP NAVBAR ===================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 4%;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.logo { font-size: 1.8rem; font-weight: 800; display: flex; align-items: center; gap: 0.2rem; letter-spacing: -0.5px; }
.nav-links a { margin: 0 1rem; font-weight: 600; }
.nav-links a.active { color: var(--secondary); }
.nav-actions { display: flex; align-items: center; gap: 1.5rem; }

/* Social Icons — desktop */
.social-icons { display: flex; gap: 0.9rem; }
.social-icons a {
    font-size: 1.25rem;
    color: var(--text-muted);
    transition: transform 0.2s, color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--border-color);
}
.social-icons a:hover { transform: translateY(-3px); }
.social-icons a.social-whatsapp:hover  { background: #25D366; color: #fff; }
.social-icons a.social-telegram:hover  { background: #0088CC; color: #fff; }
.social-icons a.social-instagram:hover { background: radial-gradient(circle at 30% 110%,#fdf497 0%,#fdf497 5%,#fd5949 45%,#d6249f 60%,#285AEB 90%); color: #fff; }
.social-icons a.social-facebook:hover  { background: #1877F2; color: #fff; }
.social-icons a.social-linkedin:hover  { background: #0A66C2; color: #fff; }

/* Notification Bell */
.notifications { position: relative; cursor: pointer; font-size: 1.2rem; }
.badge {
    position: absolute; top: -5px; right: -10px;
    background-color: #EF4444; color: white;
    font-size: 0.7rem; font-weight: bold;
    padding: 2px 6px; border-radius: 50%;
}
.notification-dropdown {
    display: none; position: absolute; top: 35px; right: -10px;
    width: 300px; background: var(--surface-color);
    backdrop-filter: blur(15px); border: 1px solid var(--border-color);
    border-radius: 12px; padding: 1rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15); z-index: 200;
}
.notification-dropdown.show { display: block; animation: fadeIn 0.3s ease; }
.notification-dropdown h4 { margin-bottom: 1rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.5rem; }
.notification-dropdown ul { list-style: none; }
.notification-dropdown li { padding: 0.8rem; border-bottom: 1px solid var(--border-color); font-size: 0.9rem; }
.notification-dropdown li:hover { background: var(--ad-bg); border-radius: 8px; }

/* Buttons */
button { cursor: pointer; font-family: 'Inter', sans-serif; border: none; outline: none; border-radius: 8px; font-weight: 600; transition: all 0.3s ease; }
.btn-login { background: transparent; color: var(--primary); padding: 0.5rem 1rem; }
.btn-login:hover { color: var(--secondary); }
.btn-signup, .btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; padding: 0.6rem 1.2rem; box-shadow: 0 4px 15px rgba(94,35,157,0.3); }
.btn-signup:hover, .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(94,35,157,0.5); }
.btn-logout { background: rgba(239,68,68,0.1); color: #EF4444; padding: 0.5rem 1rem; border: 1px solid rgba(239,68,68,0.4); }
.btn-logout:hover { background: #EF4444; color: white; }
.user-profile { display: flex; align-items: center; gap: 1rem; }

/* ===================== LAYOUT ===================== */
.layout-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 4%;
}

/* ===================== DESKTOP HERO ===================== */
.hero-section {
    text-align: center;
    padding: 3rem 1rem;
    background: radial-gradient(circle at 50% 0%, rgba(94,35,157,0.08) 0%, transparent 70%);
    border-radius: 24px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}
.hero-section h1 { font-size: 2.8rem; margin-bottom: 1rem; }
.search-bar { margin-top: 2rem; display: flex; justify-content: center; gap: 0.5rem; }
.search-bar input {
    padding: 0.8rem 1.5rem; width: 60%; border-radius: 30px;
    border: 1px solid var(--border-color); background: #fff;
    color: var(--text-main); font-size: 1rem; box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.search-bar input:focus { outline: none; border-color: var(--secondary); }
.search-bar button { padding: 0.8rem 1.5rem; border-radius: 30px; background: var(--primary); color: white; }

/* Scholarship Cards */
.scholarships-feed { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.scholarship-card { padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.scholarship-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); border-color: var(--secondary); }
.tag { align-self: flex-start; padding: 0.3rem 0.8rem; border-radius: 20px; font-size: 0.8rem; font-weight: 600; background: rgba(255,130,0,0.1); color: var(--secondary); }
.scholarship-card h3 { font-size: 1.1rem; }
.scholarship-card p { color: var(--text-muted); font-size: 0.9rem; }
.card-footer { margin-top: auto; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-color); padding-top: 1rem; }

/* Sidebar */
.right-sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 1.5rem; height: fit-content; }
.sidebar-header h3 { font-size: 1.1rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.ad-slot { background: var(--ad-bg); border: 1px solid var(--border-color); border-radius: 12px; padding: 1rem; position: relative; transition: transform 0.2s ease; }
.ad-slot:hover { transform: scale(1.02); }
.ad-label { position: absolute; top: -10px; left: 10px; background: var(--accent); color: #fff; font-size: 0.65rem; font-weight: bold; padding: 2px 8px; border-radius: 10px; text-transform: uppercase; }
.banner-ad img { width: 100%; border-radius: 8px; margin-bottom: 1rem; }
.banner-ad p { font-size: 0.95rem; margin-bottom: 1rem; font-weight: 600; }
.ad-btn { display: inline-block; padding: 0.5rem 1rem; background: rgba(255,255,255,0.6); border-radius: 6px; font-size: 0.85rem; border: 1px solid var(--border-color); }
.ad-btn:hover { background: var(--secondary); color: white; }
.sponsored-card h4 { margin: 0.5rem 0; }
.sponsored-card p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.8rem; }
.sponsored-card a { font-size: 0.85rem; color: var(--secondary); }
.partner-slot .partner-content { display: flex; align-items: center; gap: 1rem; margin-top: 0.5rem; }
.partner-slot i { font-size: 2rem; color: var(--secondary); }
.partner-slot h4 { font-size: 1rem; }
.partner-slot p { font-size: 0.8rem; color: var(--text-muted); }

/* Modals */
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.6); backdrop-filter: blur(5px); }
.modal.show { display: flex; justify-content: center; align-items: center; animation: fadeIn 0.3s ease; }
.modal-content { width: 100%; max-width: 400px; padding: 2rem; position: relative; text-align: center; }
.close-btn { position: absolute; top: 15px; right: 20px; font-size: 1.5rem; cursor: pointer; color: var(--text-muted); }
.close-btn:hover { color: var(--primary); }
.modal-content h2 { margin-bottom: 1.5rem; }
.modal-content form { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }
.modal-content input { padding: 0.8rem; border-radius: 8px; border: 1px solid var(--border-color); background: #fff; color: var(--text-main); font-size: 1rem; }
.modal-content input:focus { outline: none; border-color: var(--secondary); }
.modal-content p { font-size: 0.9rem; color: var(--text-muted); }
.referral-box { display: flex; gap: 0.5rem; margin: 1.5rem 0; }
.referral-box input { flex: 1; text-align: center; font-weight: bold; color: var(--secondary); background: rgba(255,130,0,0.08); }

/* ===================== ANIMATIONS ===================== */
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes floatOrb { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(20px,-20px) scale(1.1); } }
@keyframes pulse-ring { 0% { transform: scale(0.9); opacity:0.8; } 100% { transform: scale(1.3); opacity:0; } }

/* ===================== MOBILE STYLES ===================== */
@media (max-width: 768px) {

    /* Hide desktop navbar & desktop hero */
    .navbar { display: none; }
    .desktop-only { display: none !important; }

    /* Add bottom padding so content isn't hidden behind bottom nav */
    body { padding-bottom: 80px; }

    /* Layout single column */
    .layout-container { grid-template-columns: 1fr; margin: 1rem auto; padding: 0 1rem; gap: 1rem; }
    .right-sidebar { display: none; } /* hide ads on mobile */

    /* --- MOBILE TOP BAR --- */
    .mobile-topbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.8rem 1.2rem;
        position: sticky;
        top: 0;
        z-index: 300;
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color);
    }
    .mobile-logo { font-size: 1.3rem; font-weight: 800; }
    .mobile-topbar-right { display: flex; align-items: center; gap: 1rem; }
    .hamburger {
        background: none; border: none; padding: 4px;
        display: flex; flex-direction: column; gap: 5px; cursor: pointer;
    }
    .hamburger span { display: block; width: 22px; height: 2.5px; background: var(--primary); border-radius: 3px; transition: all 0.3s; }

    /* --- MOBILE SLIDE MENU --- */
    .mobile-menu-overlay {
        display: none; position: fixed; inset: 0;
        background: rgba(0,0,0,0.5); z-index: 400;
    }
    .mobile-menu-overlay.open { display: block; }
    .mobile-menu {
        position: fixed; top: 0; right: -320px; width: 300px; height: 100%;
        background: #fff; z-index: 500; transition: right 0.35s cubic-bezier(.4,0,.2,1);
        overflow-y: auto; padding: 1.5rem 1.2rem; display: flex; flex-direction: column; gap: 1.5rem;
        box-shadow: -8px 0 30px rgba(0,0,0,0.15);
    }
    .mobile-menu.open { right: 0; }
    .mobile-menu-close { align-self: flex-end; font-size: 1.8rem; background: none; color: var(--text-muted); line-height: 1; }
    .mobile-menu-user { display: flex; flex-direction: column; align-items: center; gap: 0.8rem; padding: 1rem; background: var(--ad-bg); border-radius: 16px; }
    .mobile-menu-avatar i { font-size: 3rem; color: var(--primary); }
    .mobile-menu-links { display: flex; flex-direction: column; gap: 0.2rem; }
    .mobile-menu-links a { display: flex; align-items: center; gap: 0.8rem; padding: 0.9rem 1rem; border-radius: 12px; font-weight: 600; color: var(--text-main); font-size: 1rem; }
    .mobile-menu-links a:hover { background: var(--ad-bg); color: var(--primary); }
    .mobile-menu-socials p { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.8rem; }
    .mobile-social-grid { display: flex; flex-direction: column; gap: 0.5rem; }
    .msocial-btn { display: flex; align-items: center; gap: 0.7rem; padding: 0.7rem 1rem; border-radius: 12px; font-weight: 600; font-size: 0.95rem; color: #fff; }
    .whatsapp-btn  { background: #25D366; }
    .telegram-btn  { background: #0088CC; }
    .instagram-btn { background: linear-gradient(135deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888); }
    .facebook-btn  { background: #1877F2; }
    .linkedin-btn  { background: #0A66C2; }

    /* --- MOBILE HERO --- */
    .mobile-hero {
        position: relative;
        min-height: 88vh;
        background: linear-gradient(160deg, #3b0d6e 0%, #5E239D 40%, #8B3FCE 70%, #FF8200 100%);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: 2rem 1.5rem 0;
    }
    .mobile-hero-bg-orbs { position: absolute; inset: 0; pointer-events: none; }
    .orb {
        position: absolute; border-radius: 50%;
        animation: floatOrb 8s ease-in-out infinite;
    }
    .orb1 { width: 280px; height: 280px; background: rgba(255,130,0,0.2); top: -80px; right: -80px; animation-delay: 0s; }
    .orb2 { width: 200px; height: 200px; background: rgba(255,255,255,0.07); bottom: 30%; left: -60px; animation-delay: 3s; }
    .orb3 { width: 140px; height: 140px; background: rgba(94,35,157,0.4); bottom: 15%; right: 10%; animation-delay: 5s; }

    .mobile-hero-content { position: relative; z-index: 2; animation: fadeInUp 0.7s ease both; }
    .mobile-hero-badge {
        display: inline-flex; align-items: center; gap: 0.5rem;
        background: rgba(255,255,255,0.15); color: #fff;
        font-size: 0.78rem; font-weight: 700;
        padding: 0.4rem 1rem; border-radius: 30px;
        border: 1px solid rgba(255,255,255,0.25);
        margin-bottom: 1.5rem; letter-spacing: 0.5px;
        backdrop-filter: blur(8px);
    }
    .mobile-hero-title {
        font-size: 2.8rem; font-weight: 900;
        color: #fff; line-height: 1.1;
        margin-bottom: 1rem; letter-spacing: -1px;
    }
    .gradient-text {
        background: linear-gradient(90deg, #FFD700, #FF8200);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .mobile-hero-subtitle { color: rgba(255,255,255,0.8); font-size: 1rem; margin-bottom: 1.8rem; line-height: 1.6; }

    /* Mobile search */
    .mobile-search-bar {
        display: flex; align-items: center; gap: 0.8rem;
        background: rgba(255,255,255,0.15);
        border: 1.5px solid rgba(255,255,255,0.3);
        border-radius: 50px; padding: 0.8rem 1.2rem;
        backdrop-filter: blur(12px); margin-bottom: 1.8rem;
    }
    .mobile-search-bar i { color: rgba(255,255,255,0.7); font-size: 1rem; }
    .mobile-search-bar input { background: none; border: none; outline: none; color: #fff; font-size: 0.95rem; width: 100%; font-family: 'Inter',sans-serif; }
    .mobile-search-bar input::placeholder { color: rgba(255,255,255,0.6); }

    /* Stats row */
    .mobile-stats-row {
        display: flex; align-items: center; gap: 0;
        background: rgba(255,255,255,0.12);
        border: 1px solid rgba(255,255,255,0.2);
        border-radius: 16px; padding: 1rem 0.5rem;
        backdrop-filter: blur(10px);
    }
    .mobile-stat { flex: 1; text-align: center; }
    .mobile-stat strong { display: block; font-size: 1.5rem; font-weight: 900; color: #fff; }
    .mobile-stat span { font-size: 0.75rem; color: rgba(255,255,255,0.7); font-weight: 500; }
    .mobile-stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.25); }

    /* Community strip */
    .mobile-community-strip {
        position: relative; z-index: 2;
        background: rgba(0,0,0,0.25); backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255,255,255,0.15);
        padding: 1.2rem 1.5rem; margin: 2rem -1.5rem 0;
        display: flex; align-items: center; justify-content: space-between;
    }
    .mobile-community-strip p { color: rgba(255,255,255,0.8); font-size: 0.85rem; font-weight: 600; }
    .mobile-community-btns { display: flex; gap: 0.6rem; }
    .comm-btn {
        width: 42px; height: 42px; border-radius: 50%;
        display: flex; align-items: center; justify-content: center;
        font-size: 1.1rem; color: #fff;
        transition: transform 0.2s, box-shadow 0.2s;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }
    .comm-btn:hover { transform: translateY(-3px) scale(1.1); color: #fff; }
    .wa-comm { background: #25D366; }
    .tg-comm { background: #0088CC; }
    .ig-comm { background: linear-gradient(135deg,#f09433,#dc2743,#bc1888); }
    .fb-comm { background: #1877F2; }
    .li-comm { background: #0A66C2; }

    /* --- MOBILE BOTTOM NAV --- */
    .mobile-bottom-nav {
        display: flex;
        position: fixed; bottom: 0; left: 0; right: 0;
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(16px);
        border-top: 1px solid var(--border-color);
        z-index: 300;
        padding: 0.4rem 0 0.6rem;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    }
    .mob-nav-item {
        flex: 1; display: flex; flex-direction: column;
        align-items: center; gap: 3px;
        color: var(--text-muted); font-size: 0.65rem; font-weight: 600;
        padding: 0.3rem 0; transition: color 0.2s;
    }
    .mob-nav-item i { font-size: 1.25rem; }
    .mob-nav-item.active { color: var(--primary); }
    .mob-nav-item:hover { color: var(--primary); }
    .mob-nav-center { position: relative; }
    .mob-nav-bubble {
        width: 52px; height: 52px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        border-radius: 50%; display: flex; align-items: center; justify-content: center;
        color: #fff; font-size: 1.3rem;
        margin-top: -18px;
        box-shadow: 0 4px 16px rgba(94,35,157,0.4);
    }
    .mob-nav-center span { margin-top: 2px; }

    /* Feed adjustments */
    .scholarships-feed { grid-template-columns: 1fr; gap: 1rem; padding: 0.5rem 0 1rem; }
    .scholarship-card { padding: 1.2rem; }
}

/* Hide mobile-only elements on desktop */
@media (min-width: 769px) {
    .mobile-topbar { display: none; }
    .mobile-hero { display: none; }
    .mobile-menu { display: none; }
    .mobile-menu-overlay { display: none !important; }
    .mobile-bottom-nav { display: none; }
}

/* Medium screens */
@media (max-width: 992px) and (min-width: 769px) {
    .layout-container { grid-template-columns: 1fr; }
    .right-sidebar { display: none; }
}