/* ===== VulnBlitz — Mobile-First Responsive CSS ===== */
:root {
    --primary-blue: #007bff;
    --primary-blue-dim: rgba(0,123,255,.12);
    --secondary-green: #28a745;
    --secondary-green-dim: rgba(40,167,69,.12);
    --accent-cyan: #00c3ff;
    --accent-cyan-dim: rgba(0,195,255,.1);
    --dark-bg: #0d0d0f;
    --dark-surface: #111115;
    --dark-card: rgba(17,17,21,.97);
    --light-text: #e4e4e8;
    --muted-text: #8a8a95;
    --border-color: rgba(255,255,255,.08);
    --border-hover: rgba(0,123,255,.4);
    --transition: .3s cubic-bezier(.4,0,.2,1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --header-h: 60px;
    --mobile-nav-w: 280px;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }

body {
    font-family: 'IBM Plex Sans Arabic', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.65;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark-bg); }
::-webkit-scrollbar-thumb { background: #2a2a35; border-radius: 99px; }

/* ── Background ── */
.binary-background {
    position: fixed; inset: 0; pointer-events: none; z-index: -2;
    opacity: .025;
    background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.2'%3E%3Cpath d='M11 0h1v12h-1V0zm3 2h1v12h-1V2zm-7 0h1v12h-1V2zm-3 2h1v12h-1V4zm10 0h1v12h-1V4zM7 6h1v12h-1V6zM3 8h1v12h-1V8zm10 0h1v12h-1V8zm-7 2h1v12h-1V10zm3 2h1v12h-1V12zm-7 4h1v12h-1V16zm10 0h1v12h-1V16z'/%3E%3C/g%3E%3C/svg%3E");
}

body::before {
    content: "";
    position: fixed; top: -50vh; left: -50vw;
    width: 200vw; height: 200vh;
    background:
        radial-gradient(circle 900px at 15% 85%, rgba(0,123,255,.055) 0%, transparent 65%),
        radial-gradient(circle 700px at 85% 15%, rgba(40,167,69,.045) 0%, transparent 65%);
    z-index: -3; pointer-events: none;
}

/* ════════════════════════════════
   HEADER
════════════════════════════════ */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: var(--header-h);
    background: rgba(13,13,15,.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky; top: 0; z-index: 900;
    transition: box-shadow var(--transition);
}
.site-header.scrolled {
    box-shadow: 0 4px 30px rgba(0,0,0,.5);
    border-bottom-color: rgba(0,123,255,.15);
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -.5px;
    flex-shrink: 0;
}
.logo a { color: inherit; text-decoration: none; }

/* ── Desktop Nav ── */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.desktop-nav a {
    color: var(--muted-text);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: .85rem;
    font-weight: 600;
    transition: color var(--transition), background var(--transition);
    white-space: nowrap;
}
.desktop-nav a:hover { color: var(--light-text); background: rgba(255,255,255,.06); }
.nav-login  { background: rgba(0,123,255,.12) !important; color: var(--primary-blue) !important; }
.nav-register { background: var(--primary-blue) !important; color: #fff !important; }
.nav-register:hover { background: #0060df !important; }
.nav-logout { color: #ff8896 !important; }

/* ── Notification Bell (desktop) ── */
#notif-wrap {
    position: relative;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    user-select: none;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
}
#notif-wrap:hover { background: rgba(255,255,255,.06); }
#notif-badge {
    display: none;
    position: absolute; top: 2px; right: 4px;
    background: #dc3545; color: #fff;
    font-size: .6rem; font-weight: 700;
    min-width: 16px; height: 16px;
    border-radius: 99px;
    align-items: center; justify-content: center;
    padding: 0 4px;
    line-height: 1;
}
#notif-dropdown {
    display: none;
    position: absolute; top: calc(var(--header-h) + 4px); left: 0;
    width: 320px;
    background: rgba(13,13,15,.98);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    z-index: 1000;
    backdrop-filter: blur(16px);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,.5);
}
#notif-dropdown.show { display: block; }
.notif-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
}
.notif-header span { font-size: .85rem; font-weight: 700; color: var(--light-text); }
.notif-header button {
    background: transparent; border: none;
    color: var(--muted-text); cursor: pointer;
    font-size: .75rem; font-family: inherit;
}
#notif-list { max-height: 300px; overflow-y: auto; }

/* ── Hamburger Button ── */
.menu-toggle {
    display: none; /* hidden on desktop */
    flex-direction: column;
    justify-content: space-between;
    width: 36px; height: 36px;
    padding: 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition);
    /* LEFT side in RTL layout */
    order: -1;
    margin-left: auto; /* push to far left */
    flex-shrink: 0;
}
.menu-toggle:hover { border-color: var(--primary-blue); }
.burger-line {
    display: block;
    width: 100%; height: 2px;
    background: var(--light-text);
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
    transform-origin: center;
}
/* X animation when active */
.menu-toggle.active .burger-line:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.active .burger-line:nth-child(2) { opacity: 0; }
.menu-toggle.active .burger-line:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ════════════════════════════════
   MOBILE OVERLAY
════════════════════════════════ */
#nav-overlay {
    display: none;
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
#nav-overlay.show { display: block; }

/* ════════════════════════════════
   MOBILE DRAWER
════════════════════════════════ */
.mobile-nav {
    position: fixed;
    top: 0; left: 0; /* LEFT side */
    width: var(--mobile-nav-w);
    height: 100%;
    height: 100dvh; /* dynamic viewport height for iOS */
    background: #0e0e12;
    border-right: 1px solid var(--border-color);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%); /* hidden off-screen to the left */
    transition: transform .3s cubic-bezier(.4,0,.2,1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,.3);
    flex-shrink: 0;
}
.mobile-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.mobile-close {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--muted-text);
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.mobile-close:hover { border-color: #dc3545; color: #ff8896; }

.mobile-nav-links {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}
.mobile-nav-links a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    color: var(--muted-text);
    text-decoration: none;
    font-size: .95rem;
    font-weight: 600;
    transition: background var(--transition), color var(--transition);
    border-right: 3px solid transparent;
}
.mobile-nav-links a:hover,
.mobile-nav-links a:active {
    background: rgba(255,255,255,.05);
    color: var(--light-text);
    border-right-color: var(--primary-blue);
}
.mnav-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}
.mnav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 20px;
}
.mnav-login {
    color: var(--primary-blue) !important;
    background: rgba(0,123,255,.08);
    margin: 4px 12px;
    border-radius: var(--radius-sm);
    border-right: none !important;
}
.mnav-register {
    background: var(--primary-blue) !important;
    color: #fff !important;
    margin: 4px 12px;
    border-radius: var(--radius-sm);
    border-right: none !important;
}
.mnav-logout {
    color: #ff8896 !important;
}

.mobile-nav-user {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: rgba(0,0,0,.2);
    flex-shrink: 0;
}

/* ════════════════════════════════
   HERO
════════════════════════════════ */
.hero {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    text-align: right;
    padding: 40px 5%;
    position: relative;
    overflow: hidden;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,195,255,.08);
    border: 1px solid rgba(0,195,255,.2);
    color: var(--accent-cyan);
    padding: 6px 16px;
    border-radius: 99px;
    font-size: .8rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.hero-badge span { width: 6px; height: 6px; background: var(--accent-cyan); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.3)} }

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2rem, 6vw, 3.8rem);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--light-text);
    line-height: 1.25;
    letter-spacing: -1px;
}
.hero h1 span {
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: clamp(.9rem, 2.5vw, 1.1rem);
    color: var(--muted-text);
    max-width: 600px;
    margin-bottom: 32px;
    line-height: 1.75;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 50px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    width: 100%;
    flex-wrap: wrap;
}
.stat-item { text-align: right; }
.stat-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.6rem; font-weight: 800;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-green));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: .78rem; color: var(--muted-text); margin-top: 2px; }

/* ════════════════════════════════
   BUTTONS
════════════════════════════════ */
.btn-main {
    padding: 13px 28px;
    background: linear-gradient(135deg, var(--primary-blue), #0060df);
    border: none; color: #fff;
    border-radius: var(--radius-sm);
    cursor: pointer; font-weight: 700;
    font-size: .9rem;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0,123,255,.3);
    text-decoration: none;
    display: inline-block;
    letter-spacing: .3px;
    -webkit-appearance: none;
    touch-action: manipulation;
}
.btn-main:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,123,255,.45); }
.btn-main:active { transform: translateY(0); }

.btn-secondary {
    padding: 13px 28px;
    background: transparent;
    border: 1px solid rgba(40,167,69,.5);
    color: var(--secondary-green);
    border-radius: var(--radius-sm);
    cursor: pointer; font-weight: 700;
    font-size: .9rem;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    letter-spacing: .3px;
    -webkit-appearance: none;
    touch-action: manipulation;
}
.btn-secondary:hover { background: var(--secondary-green); color: var(--dark-bg); border-color: var(--secondary-green); }

.read-more-btn {
    background: transparent;
    border: 1px solid rgba(40,167,69,.4);
    color: var(--secondary-green);
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: .85rem;
    transition: var(--transition);
    display: inline-block;
    touch-action: manipulation;
}
.read-more-btn:hover { background: var(--secondary-green); color: var(--dark-bg); }

/* ════════════════════════════════
   CARDS
════════════════════════════════ */
.sections-container {
    display: flex; flex-wrap: wrap; justify-content: center;
    gap: 20px; padding: 60px 5%;
}
.section-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px; width: 46%; min-width: 280px;
    box-shadow: 0 8px 32px rgba(0,0,0,.3);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    text-align: right; position: relative; overflow: hidden;
}
.section-card::before {
    content: ''; position: absolute; top: 0; right: 0; left: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    opacity: 0; transition: opacity var(--transition);
}
.section-card:hover { transform: translateY(-6px); border-color: rgba(0,123,255,.25); box-shadow: 0 16px 48px rgba(0,0,0,.4); }
.section-card:hover::before { opacity: 1; }
.section-card h2 { font-family: 'Montserrat', sans-serif; font-size: 1.4rem; color: var(--light-text); margin-bottom: 12px; font-weight: 700; }
.section-card p { color: var(--muted-text); font-size: .9rem; margin-bottom: 18px; line-height: 1.7; }

/* ════════════════════════════════
   PAGE WRAP & FORM BOX
════════════════════════════════ */
.page-wrap { width: min(94%, 600px); margin: 50px auto; }

.form-box {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: 0 10px 40px rgba(0,0,0,.3);
    position: relative; overflow: hidden;
}
.form-box::before {
    content: ''; position: absolute; top: 0; right: 0; left: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,123,255,.4), rgba(0,195,255,.4), transparent);
}
.form-box h2 {
    margin-bottom: 22px; color: var(--light-text);
    font-family: 'Montserrat', sans-serif; font-size: 1.4rem; font-weight: 700;
    padding-right: 12px; position: relative;
}
.form-box h2::before {
    content: ''; position: absolute; right: 0; top: 15%; bottom: 15%;
    width: 3px; background: linear-gradient(180deg, var(--primary-blue), var(--secondary-green));
    border-radius: 99px;
}

/* ════════════════════════════════
   INPUTS
════════════════════════════════ */
.input-group { margin-bottom: 18px; }
.input-group label {
    display: block; margin-bottom: 7px;
    color: #c0c0cc; font-weight: 600; font-size: .85rem;
}
.input-group input,
.input-group textarea,
.input-group select {
    width: 100%; padding: 13px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid #252530;
    background: rgba(255,255,255,.03);
    color: var(--light-text);
    outline: none; font-family: inherit;
    font-size: 1rem; /* 16px min to prevent iOS zoom */
    transition: border-color var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
    appearance: none;
}
.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
    border-color: rgba(0,123,255,.5);
    background: rgba(0,123,255,.04);
    box-shadow: 0 0 0 3px rgba(0,123,255,.1);
}
.input-group textarea { min-height: 110px; resize: vertical; }
.input-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a8a95' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: left 14px center; padding-left: 36px; }

/* ════════════════════════════════
   ALERTS
════════════════════════════════ */
.alert {
    padding: 13px 16px; border-radius: var(--radius-sm);
    margin-bottom: 18px; font-size: .88rem; line-height: 1.55;
    display: flex; align-items: flex-start; gap: 10px;
}
.alert::before { font-size: .9rem; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: rgba(40,167,69,.1); border: 1px solid rgba(40,167,69,.3); color: #74dea0; }
.alert-success::before { content: '✓'; color: var(--secondary-green); }
.alert-error { background: rgba(220,53,69,.1); border: 1px solid rgba(220,53,69,.3); color: #ff8896; }
.alert-error::before { content: '✕'; color: #dc3545; }

/* ════════════════════════════════
   MISC
════════════════════════════════ */
.avatar-preview { width: 90px; height: 90px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(0,123,255,.4); display: block; margin-bottom: 16px; }
.form-links-row { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.form-links-row a { flex: 1; text-align: center; min-width: 120px; }
.course-image { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius-md); display: block; margin-bottom: 14px; }
.course-image-placeholder { width: 100%; height: 200px; border-radius: var(--radius-md); background: rgba(255,255,255,.03); border: 1px dashed var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--muted-text); font-size: .85rem; margin-bottom: 14px; }
.badge-tag { display: inline-block; font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 99px; letter-spacing: .5px; text-transform: uppercase; }
.badge-blue  { background: rgba(0,123,255,.15); color: #6eb4ff; border: 1px solid rgba(0,123,255,.25); }
.badge-green { background: rgba(40,167,69,.15); color: #6ddc8f; border: 1px solid rgba(40,167,69,.25); }
.badge-cyan  { background: rgba(0,195,255,.1); color: #70d9ff; border: 1px solid rgba(0,195,255,.2); }
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border-color), transparent); margin: 22px 0; }
.exam-timer { display: flex; align-items: center; gap: 12px; background: rgba(220,53,69,.08); border: 1px solid rgba(220,53,69,.2); border-radius: var(--radius-sm); padding: 12px 16px; margin-bottom: 18px; color: #ff8896; font-weight: 700; font-size: 1rem; }
.exam-timer .timer-icon { font-size: 1.1rem; }
.exam-timer .timer-label { font-size: .72rem; font-weight: 600; color: var(--muted-text); }
.exam-timer.warning { background: rgba(255,193,7,.08); border-color: rgba(255,193,7,.25); color: #ffc107; }
.exam-timer.danger { animation: timerPulse 1s infinite; }
@keyframes timerPulse { 0%,100%{border-color:rgba(220,53,69,.2)} 50%{border-color:rgba(220,53,69,.6)} }
.progress-wrap { margin: 8px 0; }
.progress-bar { height: 6px; background: rgba(255,255,255,.07); border-radius: 99px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary-blue), var(--secondary-green)); border-radius: 99px; transition: width .6s cubic-bezier(.4,0,.2,1); }
.progress-label { font-size: .75rem; color: var(--muted-text); margin-top: 4px; display: flex; justify-content: space-between; }
.fade-up { opacity: 0; transform: translateY(16px); animation: fadeUp .4s cubic-bezier(.4,0,.2,1) forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.skeleton { background: linear-gradient(90deg, rgba(255,255,255,.04) 25%, rgba(255,255,255,.07) 50%, rgba(255,255,255,.04) 75%); background-size: 200% 100%; animation: skeleton-wave 1.5s infinite; border-radius: var(--radius-sm); }
@keyframes skeleton-wave { 0%{background-position:200% 0} 100%{background-position:-200% 0} }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th { text-align: right; padding: 11px 12px; background: rgba(255,255,255,.03); color: var(--muted-text); font-weight: 600; border-bottom: 1px solid var(--border-color); font-size: .75rem; letter-spacing: .5px; text-transform: uppercase; }
td { padding: 11px 12px; border-bottom: 1px solid rgba(255,255,255,.04); color: var(--light-text); vertical-align: middle; }
tr:hover td { background: rgba(255,255,255,.02); }
.binary-particle { position: fixed; pointer-events: none; font-family: monospace; font-weight: 700; font-size: 11px; color: rgba(0,195,255,.5); z-index: 9999; animation: binaryFade 1s ease-out forwards; transform: translate(-50%,-50%); }
@keyframes binaryFade { 0%{opacity:.7;transform:translate(-50%,-50%) scale(1) translateY(0)} 100%{opacity:0;transform:translate(-50%,-50%) scale(1.4) translateY(-12px)} }

/* ════════════════════════════════
   FOOTER
════════════════════════════════ */
.site-footer { background: var(--dark-surface); border-top: 1px solid var(--border-color); margin-top: 70px; }
.footer-container { max-width: 1200px; margin: auto; padding: 44px 5% 32px; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; }
.footer-section h3 { margin-bottom: 14px; color: var(--light-text); font-family: 'Montserrat', sans-serif; font-size: .9rem; font-weight: 700; }
.footer-section p { color: var(--muted-text); font-size: .82rem; line-height: 1.7; }
.footer-section a { display: inline-block; color: var(--muted-text); text-decoration: none; margin: 4px 0; font-size: .82rem; transition: color var(--transition); width: 100%; }
.footer-section a:hover { color: var(--light-text); }
.footer-brand-desc { max-width: 220px; }
.footer-social { display: flex; gap: 8px; margin-top: 14px; }
.footer-social a { width: 34px !important; height: 34px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); display: flex !important; align-items: center; justify-content: center; font-size: .85rem; transition: var(--transition) !important; }
.footer-social a:hover { border-color: var(--primary-blue); color: var(--primary-blue) !important; }
.footer-bottom { text-align: center; padding: 18px; border-top: 1px solid rgba(255,255,255,.04); font-size: .78rem; color: var(--muted-text); }
.footer-bottom a { color: var(--primary-blue); text-decoration: none; }
.verify-result { text-align: center; padding: 30px 16px; }
.verify-icon { font-size: 3rem; margin-bottom: 14px; }
.verify-details { margin: 20px 0; }
.verify-row { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--border-color); font-size: .88rem; }
.verify-row:last-child { border-bottom: none; }
.verify-key { color: var(--muted-text); }
.verify-val { color: var(--light-text); font-weight: 600; }

/* ════════════════════════════════
   TABLET — 768px to 1024px
════════════════════════════════ */
@media (max-width: 1024px) {
    .desktop-nav a { padding: 6px 8px; font-size: .8rem; }
    .section-card { width: 100%; }
}

/* ════════════════════════════════
   MOBILE — max 768px
════════════════════════════════ */
@media (max-width: 768px) {
    :root { --header-h: 56px; }

    /* Show hamburger, hide desktop nav */
    .menu-toggle { display: flex !important; }
    .desktop-nav { display: none !important; }
    #notif-dropdown { display: none !important; } /* hide desktop notifs on mobile */

    .logo { font-size: 1.4rem; }

    /* Hero */
    .hero { min-height: 80vh; padding: 40px 5% 32px; align-items: flex-start; }
    .hero h1 { font-size: clamp(1.8rem, 7vw, 2.4rem); letter-spacing: -.5px; }
    .hero p { font-size: .92rem; }
    .hero-actions { width: 100%; flex-direction: column; }
    .btn-main, .btn-secondary { width: 100%; text-align: center; }
    .hero-stats { gap: 20px; margin-top: 32px; padding-top: 24px; }

    /* Cards */
    .sections-container { padding: 40px 4%; gap: 14px; }
    .section-card { padding: 22px; }

    /* Forms */
    .page-wrap { width: min(95%, 100%); margin: 32px auto; padding: 0 12px; }
    .form-box { padding: 20px 16px; border-radius: var(--radius-md); }
    .form-box h2 { font-size: 1.2rem; }
    .form-links-row a { flex: unset; width: 100%; }

    /* Table horizontal scroll */
    .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

    /* Hide binary particles on mobile */
    .binary-particle { display: none; }

    /* Footer */
    .footer-container { grid-template-columns: 1fr 1fr; gap: 22px; padding: 32px 5% 24px; }
}

/* ════════════════════════════════
   SMALL MOBILE — max 480px
════════════════════════════════ */
@media (max-width: 480px) {
    .hero h1 { font-size: 1.7rem; }
    .footer-container { grid-template-columns: 1fr; }
    .exam-timer { font-size: .9rem; }
    .form-box { padding: 18px 14px; }
}