/* ---------- DESIGN SYSTEM: LookaGenius Premium (Restoration) ---------- */
:root {
    --bg-main: #050a14;
    --bg-card: rgba(18, 24, 38, 0.65);
    --bg-card-hover: rgba(28, 36, 54, 0.85);
    --primary-blue: #00D4FF;
    --primary-dark: #0099CC;
    --accent-violet: #A855F7;
    --accent-pink: #FF3366;
    --success: #00FFAA;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 22px rgba(0, 212, 255, 0.35);
    --font-main: 'Tajawal', sans-serif;
    --font-heading: 'Cairo', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.5;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.12), transparent 45%),
                radial-gradient(circle at 85% 70%, rgba(168, 85, 247, 0.12), transparent 50%);
    z-index: -2;
    pointer-events: none;
}

/* --- Simple Header & Sidebar --- */
.header {
    position: fixed; top: 0; left: 0; width: 100%; height: 80px;
    background: rgba(5, 10, 20, 0.8); backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 6%; z-index: 1000; transition: 0.3s;
}
.header.scrolled { height: 70px; background: rgba(5, 10, 20, 0.95); }

.logo { font-size: 1.5rem; font-weight: 900; text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo span { background: linear-gradient(130deg, var(--primary-blue), var(--accent-violet)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-links { display: flex; gap: 30px; }
.nav-link { text-decoration: none; color: var(--text-primary); font-weight: 600; font-size: 0.95rem; transition: 0.3s; position: relative; }
.nav-link:hover, .nav-link.active { color: var(--primary-blue); }
.nav-link::after { content: ''; position: absolute; bottom: -5px; right: 0; width: 0; height: 2px; background: var(--primary-blue); transition: 0.3s; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 15px; }

/* Mobile Sidebar */
.mobile-btn { display: none; font-size: 1.5rem; color: #fff; cursor: pointer; }
.sidebar-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); backdrop-filter: blur(5px); z-index: 1100; opacity: 0; visibility: hidden; transition: 0.3s; }
.sidebar-overlay.active { opacity: 1; visibility: visible; }
.sidebar { position: fixed; top: 0; right: -300px; width: 300px; height: 100%; background: var(--bg-main); border-left: 1px solid var(--border-color); z-index: 1200; padding: 40px 30px; transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; gap: 30px; }
.sidebar.active { right: 0; }
.sidebar-close { font-size: 1.5rem; align-self: flex-start; cursor: pointer; color: var(--text-secondary); }

/* --- CUSTOM CURSOR (Restored) --- */
.cursor-dot { position: fixed; width: 6px; height: 6px; background: var(--primary-blue); border-radius: 50%; pointer-events: none; z-index: 9999; transform: translate(-50%, -50%); transition: width 0.2s, height 0.2s; box-shadow: 0 0 10px var(--primary-blue); }
.cursor-outline { position: fixed; width: 38px; height: 38px; border: 1.5px solid var(--accent-violet); border-radius: 50%; pointer-events: none; z-index: 9998; transform: translate(-50%, -50%); transition: all 0.2s ease-out; }
.cursor-outline.hovered { width: 56px; height: 56px; background: rgba(168, 85, 247, 0.12); border-color: var(--primary-blue); backdrop-filter: blur(3px); }

/* --- HERO (Restored) --- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: flex-start; padding: 0 6% 60px; overflow: hidden; }
#canvas-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.hero-content { position: relative; z-index: 12; max-width: 720px; }
.tagline { display: inline-flex; align-items: center; gap: 8px; background: rgba(0, 212, 255, 0.12); border: 1px solid rgba(0, 212, 255, 0.4); border-radius: 50px; padding: 6px 20px; font-size: 13px; font-weight: 700; margin-bottom: 24px; color: var(--primary-blue); backdrop-filter: blur(5px); }
h1 { font-size: clamp(38px, 6vw, 70px); font-weight: 900; line-height: 1.15; margin-bottom: 20px; letter-spacing: -1px; }
h1 span.neon { background: linear-gradient(130deg, var(--primary-blue), var(--accent-violet)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.description { font-size: clamp(15px, 2vw, 19px); color: var(--text-secondary); margin-bottom: 40px; max-width: 580px; }

/* --- BUTTONS (Restored) --- */
.btn { padding: 12px 32px; border-radius: 40px; font-weight: 700; font-size: 15px; text-decoration: none; transition: 0.3s; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; border: none; font-family: inherit; }
.btn-primary { background: rgba(0, 212, 255, 0.1); border: 1px solid var(--primary-blue); color: var(--primary-blue); }
.btn-primary:hover { background: rgba(0, 212, 255, 0.25); transform: translateY(-3px); box-shadow: 0 0 20px var(--primary-blue); color: white; }
.btn-secondary { background: rgba(168, 85, 247, 0.1); border: 1px solid var(--accent-violet); color: var(--accent-violet); }
.btn-secondary:hover { background: rgba(168, 85, 247, 0.25); transform: translateY(-3px); box-shadow: 0 0 18px var(--accent-violet); color: white; }

/* --- CARDS & GRIDS (Restored) --- */
.section-container { padding: 80px 6%; position: relative; z-index: 5; }
.subjects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.subject-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 28px; padding: 24px; backdrop-filter: blur(12px); transition: 0.3s; box-shadow: var(--shadow-soft); }
.subject-card:hover { transform: translateY(-6px); background: var(--bg-card-hover); border-color: var(--primary-blue); box-shadow: var(--shadow-glow); }
.subject-icon { width: 56px; height: 56px; background: rgba(30, 41, 59, 0.7); border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 20px; color: var(--primary-blue); border: 1px solid var(--border-color); }
.subject-title { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.subject-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 18px; line-height: 1.5; }
.subject-list { list-style: none; border-top: 1px solid var(--border-color); padding-top: 14px; }
.subject-list li { padding: 7px 0; font-size: 14px; display: flex; justify-content: space-between; color: var(--text-secondary); }
.subject-list li i { color: var(--primary-blue); font-size: 12px; }

/* Course Showcase */
#homeCourses { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 28px; }
.course-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 28px; padding: 24px; transition: 0.3s; overflow: hidden; }
.course-card:hover { transform: translateY(-6px); border-color: var(--primary-blue); box-shadow: var(--shadow-glow); }
.course-img { width: 100%; height: 180px; border-radius: 20px; overflow: hidden; margin-bottom: 16px; position: relative; }
.course-img img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.course-card:hover .course-img img { transform: scale(1.05); }
.course-badge { position: absolute; top: 12px; right: 12px; background: rgba(0, 0, 0, 0.65); backdrop-filter: blur(8px); padding: 5px 12px; border-radius: 50px; font-size: 11px; font-weight: 600; color: #fff; }

/* --- FLOATING (Restored) --- */
.float-wrapper { position: fixed; bottom: 30px; left: 30px; display: flex; flex-direction: column; gap: 15px; z-index: 1000; }
.float-btn { width: 54px; height: 54px; border-radius: 30px; display: flex; align-items: center; justify-content: center; font-size: 28px; text-decoration: none; transition: 0.2s; box-shadow: 0 4px 14px rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.1); }
.float-btn.whatsapp { background: #25D366; color: white; }
.float-btn.telegram { background: #0088cc; color: white; }
.float-btn:hover { transform: scale(1.1); filter: brightness(1.05); }

/* --- FOOTER (Restored) --- */
footer { border-top: 1px solid var(--border-color); padding: 40px 6%; text-align: center; color: var(--text-secondary); font-size: 13px; }

/* Responsive adjustments */
@media (max-width: 991px) {
    .nav-links { display: none; }
    .mobile-btn { display: block; }
}

@media (max-width: 720px) {
    .hero { justify-content: center; text-align: center; }
    .hero-content { align-items: center; text-align: center; }
    .btn-group { justify-content: center; width: 100%; }
    .btn { width: 100%; justify-content: center; }
    .section-container { padding: 60px 4%; }
}