/* ═══════════════════════════════════════════════════════════════
   AI COMPETITION SYSTEM — GLOBAL STYLESHEET
   Font: Tajawal | Palette: Azure/Indigo/White
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;800&display=swap');

:root {
    --primary: #1a56db;
    --primary-light: #3f83f8;
    --primary-dark: #1e429f;
    --secondary: #6366f1;
    --accent: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
    --shadow-lg: 0 8px 30px rgba(26,86,219,0.12);
    --radius: 14px;
    --radius-sm: 8px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Tajawal', sans-serif;
    background: var(--light-bg);
    color: var(--text-primary);
    direction: rtl;
    text-align: right;
    line-height: 1.7;
}

/* ─── NAVBAR ──────────────────────────────────────────────────── */
.app-navbar {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(26,86,219,0.06);
}

.app-navbar .navbar-brand {
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-navbar .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}
.app-navbar .nav-link:hover, .app-navbar .nav-link.active {
    color: var(--primary) !important;
    background: rgba(26,86,219,0.06);
}

/* ─── NOTIFICATION BADGE ─────────────────────────────────────── */
.notif-badge {
    position: absolute;
    top: 2px; right: 2px;
    background: var(--danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 50%;
    width: 18px; height: 18px;
    display: flex; align-items: center; justify-content: center;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.notif-panel {
    width: 340px;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 0;
}
.notif-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 12px 16px;
    font-weight: 700;
    font-size: 0.9rem;
}
.notif-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s;
}
.notif-item:hover { background: var(--light-bg); }
.notif-item.unread { background: #eff6ff; }

/* ─── CARDS ───────────────────────────────────────────────────── */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
    font-weight: 700;
}

/* ─── STAT CARDS ──────────────────────────────────────────────── */
.stat-card {
    padding: 1.5rem;
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    border: none;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: -20px; left: -20px;
    width: 100px; height: 100px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}
.stat-card.primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: white; }
.stat-card.success { background: linear-gradient(135deg, #059669, var(--success)); color: white; }
.stat-card.warning { background: linear-gradient(135deg, #d97706, var(--warning)); color: white; }
.stat-card.danger { background: linear-gradient(135deg, #dc2626, var(--danger)); color: white; }
.stat-card.secondary { background: linear-gradient(135deg, #4f46e5, var(--secondary)); color: white; }

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}
.stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-top: 4px;
}
.stat-icon {
    font-size: 2.5rem;
    opacity: 0.25;
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

/* ─── STATUS BADGES ───────────────────────────────────────────── */
.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.status-draft { background: #f1f5f9; color: #64748b; }
.status-submitted { background: #dbeafe; color: #1d4ed8; }
.status-underreview { background: #fef3c7; color: #92400e; }
.status-accepted { background: #d1fae5; color: #065f46; }
.status-rejected { background: #fee2e2; color: #991b1b; }
.status-qualifiedforjudging { background: #ede9fe; color: #4c1d95; }

/* ─── COMPLETION PROGRESS ────────────────────────────────────── */
.completion-ring {
    position: relative;
    width: 100px;
    height: 100px;
}
.completion-ring svg { transform: rotate(-90deg); }
.completion-ring .ring-bg { fill: none; stroke: #e2e8f0; stroke-width: 8; }
.completion-ring .ring-fill {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 251.2;
    transition: stroke-dashoffset 1s ease;
}
.completion-pct {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary);
}

/* ─── PROGRESS BAR ────────────────────────────────────────────── */
.progress-custom {
    height: 10px;
    border-radius: 20px;
    background: #e2e8f0;
    overflow: hidden;
}
.progress-custom .progress-bar {
    border-radius: 20px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 1s ease;
}

/* ─── BUTTONS ─────────────────────────────────────────────────── */
.btn {
    font-family: 'Tajawal', sans-serif;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    padding: 0.5rem 1.2rem;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border: none;
    color: white;
    box-shadow: 0 4px 14px rgba(26,86,219,0.3);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(26,86,219,0.4);
}
.btn-success { background: linear-gradient(135deg, #059669, #10b981); border: none; }
.btn-danger { background: linear-gradient(135deg, #dc2626, #ef4444); border: none; }
.btn-outline-primary { border-color: var(--primary); color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary); color: white; }

/* ─── FORMS ───────────────────────────────────────────────────── */
.form-control, .form-select {
    font-family: 'Tajawal', sans-serif;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
    outline: none;
}
.form-label { font-weight: 600; color: var(--text-primary); margin-bottom: 0.4rem; }

/* Upload zones */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: #f8fafc;
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: #eff6ff;
}
.upload-zone .upload-icon { font-size: 2.5rem; color: var(--primary); opacity: 0.5; }

/* ─── TABLE ───────────────────────────────────────────────────── */
.table-custom { border-radius: var(--radius); overflow: hidden; }
.table-custom thead th {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    font-weight: 700;
    border: none;
    padding: 1rem;
}
.table-custom tbody tr { transition: background 0.15s; }
.table-custom tbody tr:hover { background: #eff6ff; }
.table-custom td { padding: 0.85rem 1rem; border-color: var(--border); vertical-align: middle; }

/* ─── AI CHAT BOT ─────────────────────────────────────────────── */
.ai-chat-bubble {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(26,86,219,0.4);
    z-index: 9998;
    transition: all 0.3s;
    animation: float-bubble 3s ease-in-out infinite;
}
.ai-chat-bubble:hover { transform: scale(1.1); }

@keyframes float-bubble {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.ai-chat-badge {
    position: absolute;
    top: -3px; right: -3px;
    background: var(--danger);
    color: white;
    border-radius: 50%;
    width: 20px; height: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

.ai-chat-panel {
    position: fixed;
    bottom: 7rem;
    left: 2rem;
    width: 360px;
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    z-index: 9999;
    overflow: hidden;
    animation: slide-up 0.3s ease;
}

@keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.ai-chat-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ai-avatar {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.ai-chat-messages {
    height: 300px;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #f8fafc;
}
.ai-msg { display: flex; }
.ai-msg.user { justify-content: flex-start; }
.ai-msg.ai { justify-content: flex-end; }
.ai-bubble {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.88rem;
    line-height: 1.6;
}
.ai-msg.user .ai-bubble {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 16px 16px 4px 16px;
}
.ai-msg.ai .ai-bubble {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px 16px 16px 4px;
}
.ai-chat-input {
    display: flex;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--border);
    background: white;
}
.ai-chat-input .form-control { border-radius: 20px; }
.ai-chat-input .btn { border-radius: 50%; width: 40px; height: 40px; padding: 0; }

/* ─── SCORE SLIDERS ───────────────────────────────────────────── */
.score-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    outline: none;
}
.score-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(26,86,219,0.3);
}
.score-display {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    min-width: 2.5rem;
    text-align: center;
}

/* ─── PAGE HEADERS ────────────────────────────────────────────── */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}
.page-header::after {
    content: '';
    position: absolute;
    top: -50px; left: -50px;
    width: 200px; height: 200px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}
.page-header h1 { font-size: 1.8rem; font-weight: 800; margin: 0; }
.page-header p { opacity: 0.85; margin: 0.5rem 0 0; }

/* ─── CHAT MESSAGES ───────────────────────────────────────────── */
.chat-box {
    height: 350px;
    overflow-y: auto;
    background: #f8fafc;
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.chat-msg { display: flex; gap: 8px; align-items: flex-end; }
.chat-msg.sent { flex-direction: row-reverse; }
.chat-bubble-inner {
    max-width: 75%;
    padding: 0.6rem 1rem;
    border-radius: 16px;
    font-size: 0.9rem;
}
.chat-msg.received .chat-bubble-inner {
    background: white;
    border: 1px solid var(--border);
}
.chat-msg.sent .chat-bubble-inner {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

/* ─── ANIMATION UTILITIES ────────────────────────────────────── */
.fade-in { animation: fadeIn 0.5s ease; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pulse { animation: pulse 2s infinite; }
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .ai-chat-panel { width: calc(100vw - 2rem); left: 1rem; }
    .stat-number { font-size: 1.8rem; }
    .page-header h1 { font-size: 1.3rem; }
}

/* ─── CUSTOM SCROLLBAR ────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ─── LANDING PAGE SPECIFIC ──────────────────────────────────── */
.landing-hero {
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(26,86,219,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(99,102,241,0.07) 0%, transparent 60%),
        radial-gradient(ellipse at 60% 80%, rgba(14,165,233,0.06) 0%, transparent 50%),
        #ffffff;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(26,86,219,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26,86,219,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-float-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: orb-float 8s ease-in-out infinite;
    pointer-events: none;
}
.orb-1 { width: 400px; height: 400px; background: rgba(26,86,219,0.08); top: -100px; right: -100px; }
.orb-2 { width: 300px; height: 300px; background: rgba(99,102,241,0.08); bottom: -50px; left: 20%; animation-delay: -3s; }
.orb-3 { width: 200px; height: 200px; background: rgba(14,165,233,0.1); top: 40%; left: 10%; animation-delay: -6s; }

@keyframes orb-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 30px) scale(0.95); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(26,86,219,0.08);
    border: 1px solid rgba(26,86,219,0.15);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}
.hero-badge .dot {
    width: 8px; height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1rem;
}
.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    border: none;
    box-shadow: 0 8px 30px rgba(26,86,219,0.35);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(26,86,219,0.45);
    color: white;
}

.btn-hero-outline {
    color: var(--primary);
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    border: 2px solid rgba(26,86,219,0.2);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-hero-outline:hover {
    border-color: var(--primary);
    background: rgba(26,86,219,0.05);
    transform: translateY(-3px);
    color: var(--primary);
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}
.hero-stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}
.hero-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Hero visual panel */
.hero-visual {
    position: relative;
}

.hero-card-float {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem 1.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: transform 0.3s;
}

.hero-card-float:hover { transform: translateY(-4px); }

.hero-main-card {
    background: linear-gradient(145deg, #ffffff, #f0f7ff);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 20px 60px rgba(26,86,219,0.12);
    border: 1px solid rgba(26,86,219,0.08);
    position: relative;
    overflow: hidden;
}
.hero-main-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(26,86,219,0.06) 0%, transparent 70%);
}

.ai-animation {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 1rem 0;
}
.ai-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    animation: ai-bounce 1.4s ease-in-out infinite;
}
.ai-dot:nth-child(1) { background: var(--primary); }
.ai-dot:nth-child(2) { background: var(--secondary); animation-delay: 0.2s; }
.ai-dot:nth-child(3) { background: var(--accent); animation-delay: 0.4s; }

@keyframes ai-bounce {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1.2); opacity: 1; }
}

/* Feature cards */
.feature-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    height: 100%;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0; left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.3s;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.feature-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
}
.fi-blue { background: rgba(26,86,219,0.1); color: var(--primary); }
.fi-purple { background: rgba(99,102,241,0.1); color: var(--secondary); }
.fi-cyan { background: rgba(14,165,233,0.1); color: var(--accent); }
.fi-green { background: rgba(16,185,129,0.1); color: var(--success); }
.fi-orange { background: rgba(245,158,11,0.1); color: var(--warning); }
.fi-red { background: rgba(239,68,68,0.1); color: var(--danger); }

.landing-section { padding: 6rem 0; }
.landing-section-alt { background: linear-gradient(135deg, #f0f7ff, #f5f3ff); }
.section-eyebrow {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 0.75rem;
}
.section-title {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
}
.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Workflow steps */
.workflow-step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem 0;
    position: relative;
}
.workflow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 24px;
    top: 60px;
    width: 2px;
    height: calc(100% - 40px);
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    opacity: 0.2;
}
.step-num {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(26,86,219,0.3);
}

/* Landing navbar */
.landing-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(26,86,219,0.06);
    padding: 0.8rem 0;
}

/* Footer */
.landing-footer {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: rgba(255,255,255,0.8);
    padding: 4rem 0 2rem;
}
.footer-brand {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #93c5fd, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.footer-link {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.footer-link:hover { color: white; }
.social-icon {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
    display: flex; align-items: center; justify-content: center;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 1.1rem;
}
.social-icon:hover { background: var(--primary); color: white; }