/* ============================================================
   NR Classes LLP - Main Stylesheet
   Theme: Dark Technical / Programmer Aesthetic
   Colors: Deep Dark + Electric Blue + Saffron Orange
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;600;700&family=Space+Grotesk:wght@300;400;500;600;700&family=Rajdhani:wght@400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --bg-dark: #0a0e1a;
    --bg-card: #0f1629;
    --bg-panel: #111827;
    --bg-panel2: #1a2035;
    --accent-blue: #1e6fff;
    --accent-blue-light: #4d8fff;
    --accent-orange: #ff6b1a;
    --accent-orange-light: #ff8f4d;
    --accent-green: #00d4aa;
    --text-primary: #e8eaf0;
    --text-secondary: #8892a4;
    --text-muted: #4a5568;
    --border: #1e2a42;
    --border-bright: #2a3a5c;
    --glow-blue: rgba(30, 111, 255, 0.15);
    --glow-orange: rgba(255, 107, 26, 0.15);
    --font-mono: 'JetBrains Mono', monospace;
    --font-body: 'Space Grotesk', sans-serif;
    --font-heading: 'Rajdhani', sans-serif;
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
}
a { color: var(--accent-blue-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-orange); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-blue); }

/* Grid Overlay Effect (subtle bg pattern) */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(30,111,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,111,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 2rem;
    background: rgba(10, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.navbar.scrolled { border-bottom-color: var(--accent-blue); box-shadow: 0 4px 30px rgba(30,111,255,0.1); }
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 42px; width: auto; }
.nav-logo-text { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.nav-logo-text span { display: block; font-size: 0.65rem; font-family: var(--font-mono); color: var(--accent-blue-light); letter-spacing: 2px; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    position: relative;
    padding: 4px 0;
}
.nav-links a::before {
    content: '> ';
    color: var(--accent-blue);
    opacity: 0;
    transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::before { opacity: 1; }
.nav-cta {
    background: var(--accent-orange) !important;
    color: white !important;
    padding: 8px 20px !important;
    border-radius: var(--radius) !important;
    font-weight: 600 !important;
    font-family: var(--font-body) !important;
    font-size: 0.85rem !important;
}
.nav-cta::before { display: none !important; }
.nav-cta:hover { background: var(--accent-orange-light) !important; transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-secondary); transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 2rem 60px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
}
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}
.hero-orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(30,111,255,0.3), transparent); top: -100px; right: -100px; animation: pulse 6s ease-in-out infinite; }
.hero-orb-2 { width: 300px; height: 300px; background: radial-gradient(circle, rgba(255,107,26,0.2), transparent); bottom: 100px; left: 5%; animation: pulse 8s ease-in-out infinite reverse; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 0.4; } 50% { transform: scale(1.1); opacity: 0.6; } }

/* Code rain lines */
.hero-code-lines {
    position: absolute;
    right: 0; top: 0;
    width: 45%;
    height: 100%;
    opacity: 0.07;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-blue-light);
    overflow: hidden;
    padding: 2rem;
    line-height: 2;
    user-select: none;
    pointer-events: none;
}

.hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; position: relative; z-index: 2; }
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(30,111,255,0.1);
    border: 1px solid rgba(30,111,255,0.3);
    color: var(--accent-blue-light);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}
.hero-tag::before { content: '//'; color: var(--accent-orange); }
.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}
.hero h1 .line-1 { color: var(--text-primary); }
.hero h1 .line-2 {
    color: transparent;
    -webkit-text-stroke: 1px var(--accent-blue);
    letter-spacing: 2px;
}
.hero h1 .line-3 { color: var(--accent-orange); }
.hero-sub {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}
.hero-sub .highlight { color: var(--accent-green); font-family: var(--font-mono); }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #1255cc);
    color: white;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}
.btn-primary:hover::after { left: 100%; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(30,111,255,0.4); color: white; }
.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid var(--border-bright);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-secondary:hover { border-color: var(--accent-orange); color: var(--accent-orange); transform: translateY(-2px); }
.btn-orange {
    background: linear-gradient(135deg, var(--accent-orange), #cc4a00);
    color: white;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-orange:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(255,107,26,0.4); color: white; }
.hero-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-blue-light);
    display: block;
    line-height: 1;
}
.stat-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    display: block;
    margin-top: 4px;
}

/* ============================================================
   SECTIONS COMMON
   ============================================================ */
section { position: relative; z-index: 1; }
.section-pad { padding: 80px 2rem; }
.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-blue-light);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: block;
}
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}
.section-title span { color: var(--accent-blue-light); }
.section-title .orange { color: var(--accent-orange); }
.section-desc { color: var(--text-secondary); max-width: 600px; margin: 0 auto; font-size: 1rem; }
.divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-orange));
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* ============================================================
   COURSES SECTION
   ============================================================ */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}
.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}
.course-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-orange));
    opacity: 0;
    transition: var(--transition);
}
.course-card:hover { border-color: var(--accent-blue); transform: translateY(-6px); box-shadow: 0 20px 40px rgba(30,111,255,0.15); }
.course-card:hover::before { opacity: 1; }
.course-thumb {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-panel);
    display: block;
}
.course-thumb-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--bg-panel), var(--bg-panel2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 3rem;
    color: var(--accent-blue);
    position: relative;
    overflow: hidden;
}
.course-thumb-placeholder::after {
    content: attr(data-subject);
    position: absolute;
    bottom: 10px; right: 12px;
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
}
.course-body { padding: 1.5rem; }
.course-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 3px 10px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.badge-blue { background: rgba(30,111,255,0.15); color: var(--accent-blue-light); border: 1px solid rgba(30,111,255,0.3); }
.badge-orange { background: rgba(255,107,26,0.15); color: var(--accent-orange-light); border: 1px solid rgba(255,107,26,0.3); }
.badge-green { background: rgba(0,212,170,0.15); color: var(--accent-green); border: 1px solid rgba(0,212,170,0.3); }
.course-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
    line-height: 1.3;
}
.course-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    line-height: 1.6;
}
.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.course-price {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-orange);
}
.course-price small {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
    display: block;
    line-height: 1;
    margin-top: 2px;
}
.btn-enroll {
    background: var(--accent-blue);
    color: white;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-enroll:hover { background: var(--accent-blue-light); color: white; transform: translateX(3px); }
.course-duration {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 1rem;
}

/* ============================================================
   WHY US / FEATURES
   ============================================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 80px; height: 80px;
    background: radial-gradient(circle at bottom right, var(--glow-blue), transparent);
    pointer-events: none;
}
.feature-card:hover { border-color: var(--border-bright); transform: translateY(-4px); }
.feature-icon {
    width: 52px; height: 52px;
    background: rgba(30,111,255,0.1);
    border: 1px solid rgba(30,111,255,0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}
.feature-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}
.feature-desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* ============================================================
   PREMIUM SESSIONS SECTION
   ============================================================ */
.premium-section {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.premium-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.premium-info h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.premium-info p { color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.8; }
.premium-points { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2rem; }
.premium-point {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.premium-point-icon { color: var(--accent-green); font-size: 1rem; margin-top: 2px; flex-shrink: 0; }
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-bright);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}
.pricing-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-blue));
}
.pricing-badge {
    position: absolute;
    top: 1.5rem; right: 1.5rem;
    background: var(--accent-orange);
    color: white;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 1px;
}
.pricing-title { font-family: var(--font-heading); font-size: 1rem; color: var(--text-secondary); margin-bottom: 0.5rem; letter-spacing: 2px; text-transform: uppercase; }
.pricing-amount {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}
.pricing-amount sup { font-size: 1.5rem; vertical-align: top; margin-top: 0.5rem; color: var(--accent-orange); }
.pricing-note { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 1.5rem; font-family: var(--font-mono); }
.pricing-includes { margin-bottom: 1.5rem; }
.pricing-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    color: var(--text-secondary);
}
.pricing-item:last-child { border-bottom: none; }
.pricing-item .check { color: var(--accent-green); }
.demo-free {
    background: rgba(0,212,170,0.05);
    border: 1px solid rgba(0,212,170,0.2);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    margin-bottom: 1.5rem;
}
.demo-free p { font-size: 0.85rem; color: var(--accent-green); font-family: var(--font-mono); margin: 0; }
.demo-free strong { font-size: 1rem; }

/* ============================================================
   DEMO REQUEST FORM
   ============================================================ */
.form-section { background: var(--bg-dark); }
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    max-width: 640px;
    margin: 0 auto;
}
.form-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}
.form-sub { font-size: 0.88rem; color: var(--text-muted); font-family: var(--font-mono); margin-bottom: 2rem; }
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 0.5rem; letter-spacing: 0.5px; }
.form-label span { color: var(--accent-orange); }
.form-control {
    width: 100%;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.92rem;
    transition: var(--transition);
    outline: none;
}
.form-control:focus { border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(30,111,255,0.1); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ============================================================
   SOCIAL / CONNECT SECTION
   ============================================================ */
.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}
.social-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.25rem;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}
.social-card:hover { transform: translateY(-6px); border-color: var(--accent-blue); }
.social-icon { font-size: 2rem; }
.social-name { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.social-handle { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); }
.social-card.insta:hover { border-color: #e1306c; box-shadow: 0 8px 20px rgba(225,48,108,0.15); }
.social-card.youtube:hover { border-color: #ff0000; box-shadow: 0 8px 20px rgba(255,0,0,0.15); }
.social-card.whatsapp:hover { border-color: #25d366; box-shadow: 0 8px 20px rgba(37,211,102,0.15); }
.social-card.phone:hover { border-color: var(--accent-blue); box-shadow: 0 8px 20px rgba(30,111,255,0.15); }
.social-card.facebook:hover { border-color: #1877f2; box-shadow: 0 8px 20px rgba(24,119,242,0.15); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    background: #060912;
    border-top: 1px solid var(--border);
    padding: 3rem 2rem 2rem;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border);
}
.footer-brand img { height: 48px; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.8; max-width: 280px; }
.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-blue-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul a { font-size: 0.85rem; color: var(--text-muted); transition: var(--transition); }
.footer-col ul a:hover { color: var(--accent-orange); padding-left: 4px; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-copy { font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-mono); }
.footer-copy span { color: var(--accent-blue-light); }
.footer-socials { display: flex; gap: 1rem; }
.footer-socials a {
    width: 36px; height: 36px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    color: var(--text-muted);
}
.footer-socials a:hover { border-color: var(--accent-orange); color: var(--accent-orange); transform: translateY(-2px); }

/* ============================================================
   FLOATING BUTTONS
   ============================================================ */
.float-buttons {
    position: fixed;
    bottom: 2rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 999;
}
.float-btn {
    width: 52px; height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    text-decoration: none;
}
.float-btn-wa { background: #25d366; }
.float-btn-wa:hover { transform: scale(1.15); box-shadow: 0 8px 20px rgba(37,211,102,0.4); }
.float-btn-call { background: var(--accent-blue); }
.float-btn-call:hover { transform: scale(1.15); box-shadow: 0 8px 20px rgba(30,111,255,0.4); }

/* ============================================================
   NOTICE BANNERS & ALERTS
   ============================================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.88rem;
    font-family: var(--font-mono);
}
.alert-success { background: rgba(0,212,170,0.1); border: 1px solid rgba(0,212,170,0.3); color: var(--accent-green); }
.alert-error { background: rgba(255,50,50,0.1); border: 1px solid rgba(255,50,50,0.3); color: #ff6b6b; }
.alert-info { background: rgba(30,111,255,0.1); border: 1px solid rgba(30,111,255,0.3); color: var(--accent-blue-light); }

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-header {
    padding: 120px 2rem 60px;
    background: linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--border);
    text-align: center;
}
.page-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}
.page-header p { color: var(--text-secondary); font-size: 1rem; max-width: 600px; margin: 0 auto; }
.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--accent-blue-light); }
.breadcrumb span { color: var(--text-muted); }

/* ============================================================
   ADMIN PANEL STYLES
   ============================================================ */
.admin-body { font-family: var(--font-body); background: var(--bg-dark); min-height: 100vh; }
.admin-sidebar {
    position: fixed;
    left: 0; top: 0;
    width: 260px; height: 100vh;
    background: #060912;
    border-right: 1px solid var(--border);
    z-index: 100;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow-y: auto;
}
.admin-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.admin-sidebar-header img { height: 36px; }
.admin-sidebar-header p {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--accent-blue-light);
    letter-spacing: 2px;
    margin-top: 6px;
}
.admin-nav { padding: 1rem 0; flex: 1; }
.admin-nav-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.75rem 1.5rem 0.4rem;
}
.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 1.5rem;
    color: var(--text-secondary);
    font-size: 0.88rem;
    transition: var(--transition);
    cursor: pointer;
}
.admin-nav-item:hover, .admin-nav-item.active {
    background: rgba(30,111,255,0.08);
    color: var(--text-primary);
    border-right: 3px solid var(--accent-blue);
}
.admin-nav-item span { font-size: 1rem; }
.admin-content { margin-left: 260px; padding: 2rem; min-height: 100vh; }
.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.admin-topbar h1 { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 700; color: var(--text-primary); }
.admin-topbar p { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.stat-card-icon { font-size: 2rem; opacity: 0.7; }
.stat-card-num { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; color: var(--accent-blue-light); }
.stat-card-label { font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-mono); }
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.data-table th {
    background: var(--bg-panel);
    padding: 12px 16px;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-blue-light);
    letter-spacing: 1px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    color: var(--text-secondary);
    vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(30,111,255,0.03); }
.action-btn {
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
}
.action-edit { background: rgba(30,111,255,0.15); color: var(--accent-blue-light); }
.action-edit:hover { background: var(--accent-blue); color: white; }
.action-delete { background: rgba(255,50,50,0.1); color: #ff6b6b; }
.action-delete:hover { background: #ff4444; color: white; }
.admin-form .form-group { margin-bottom: 1.5rem; }
.admin-form .form-control { background: var(--bg-panel); border-color: var(--border-bright); }
.card-admin {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
}
.card-admin-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}
.toggle-switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-panel);
    border: 1px solid var(--border-bright);
    border-radius: 12px;
    transition: .3s;
}
.toggle-slider::before {
    content: '';
    position: absolute;
    height: 16px; width: 16px;
    left: 4px; bottom: 3px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: .3s;
}
input:checked + .toggle-slider { background: rgba(30,111,255,0.3); border-color: var(--accent-blue); }
input:checked + .toggle-slider::before { transform: translateX(20px); background: var(--accent-blue-light); }

/* ============================================================
   ADMIN LOGIN PAGE
   ============================================================ */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-dark);
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    position: relative;
    overflow: hidden;
}
.login-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-orange));
}
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo img { height: 60px; }
.login-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}
.login-sub { text-align: center; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); margin-bottom: 2rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .premium-grid { grid-template-columns: 1fr; gap: 2rem; }
    .admin-sidebar { width: 220px; }
    .admin-content { margin-left: 220px; }
}
@media (max-width: 768px) {
    .nav-links { display: none; position: fixed; top: 70px; left: 0; width: 100%; background: rgba(10,14,26,0.98); flex-direction: column; padding: 1.5rem; gap: 1rem; border-bottom: 1px solid var(--border); }
    .nav-links.open { display: flex; }
    .hamburger { display: flex; }
    .hero h1 { font-size: 2.2rem; }
    .hero-code-lines { display: none; }
    .hero-stats { gap: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 1.5rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .admin-sidebar { transform: translateX(-100%); transition: transform 0.3s; }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-content { margin-left: 0; }
    .social-grid { grid-template-columns: repeat(2, 1fr); }
    .courses-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .btn-primary, .btn-secondary, .btn-orange { width: 100%; justify-content: center; }
    .section-pad { padding: 60px 1.25rem; }
}

/* Utility classes */
.text-center { text-align: center; }
.text-mono { font-family: var(--font-mono); }
.text-blue { color: var(--accent-blue-light); }
.text-orange { color: var(--accent-orange); }
.text-green { color: var(--accent-green); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }