/* ===== CSS Variables & Reset ===== */
:root {
  --primary: #00d4ff;
  --primary-dark: #00a8cc;
  --primary-glow: rgba(0, 212, 255, 0.3);
  --secondary: #7b2ff7;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.4);
  --bg-dark: #0a0e17;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #1e293b;
  --gradient-1: linear-gradient(135deg, #00d4ff, #7b2ff7);
  --gradient-2: linear-gradient(135deg, #7b2ff7, #ff6b35);
  --gradient-3: linear-gradient(135deg, #0a0e17, #1a1a2e);
  --shadow: 0 4px 30px rgba(0, 212, 255, 0.1);
  --shadow-lg: 0 10px 60px rgba(0, 212, 255, 0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Tajawal', 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  direction: rtl;
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }

/* ===== Utility ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Section Header (with icon) ===== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

/* ===== Animated Background ===== */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.floating-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  z-index: -1;
  animation: float 20s ease-in-out infinite;
}

.floating-orb:nth-child(2) {
  width: 400px; height: 400px;
  background: var(--primary);
  top: -100px; right: -100px;
  animation-delay: 0s;
}

.floating-orb:nth-child(3) {
  width: 350px; height: 350px;
  background: var(--secondary);
  bottom: -100px; left: -100px;
  animation-delay: -7s;
}

.floating-orb:nth-child(4) {
  width: 300px; height: 300px;
  background: var(--accent);
  top: 50%; left: 50%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 15px) scale(1.02); }
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  backdrop-filter: blur(20px);
  background: rgba(10, 14, 23, 0.8);
  border-bottom: 1px solid var(--border);
}

.navbar-scrolled {
  padding: 10px 0;
  background: rgba(10, 14, 23, 0.95);
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
}

.logo-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #7b2ff7, #ff6b35);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 25px rgba(123, 47, 247, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--gradient-1);
  color: #fff;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  direction: ltr;
}

.hero-grid > * {
  direction: rtl;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 24px;
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(0, 212, 255, 0); }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 8px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 12px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 500px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Hero Stats ===== */
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 36px;
  padding: 20px 28px;
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-icon {
  width: 42px;
  height: 42px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===== Buttons ===== */
.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text-primary);
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
}

.btn-lg {
  padding: 16px 44px;
  font-size: 1.05rem;
}

/* ===== Hero Visual - Hex Network Illustration ===== */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 520px;
}

.hex-network {
  position: relative;
  width: 460px;
  height: 520px;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Terminal text */
.terminal-text {
  position: absolute;
  top: 0;
  right: 20px;
  z-index: 5;
  font-family: 'Source Code Pro', 'Fira Code', 'Courier New', monospace;
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.9;
  text-align: right;
  direction: ltr;
}

.terminal-prompt {
  color: var(--primary);
  font-weight: 700;
}

.terminal-line {
  opacity: 0;
  animation: terminalFadeIn 0.5s ease forwards;
}

.terminal-line:nth-child(1) { animation-delay: 0.5s; }
.terminal-line:nth-child(2) { animation-delay: 1.2s; }
.terminal-line:nth-child(3) { animation-delay: 1.9s; }
.terminal-line:nth-child(4) { animation-delay: 2.6s; }
.terminal-line:nth-child(5) { animation-delay: 3.3s; }

@keyframes terminalFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Concentric rings */
.ring {
  position: absolute;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.ring-1 {
  width: 180px;
  height: 180px;
  border: 1px solid rgba(0, 212, 255, 0.12);
  animation: ringPulse 6s ease-in-out infinite;
}

.ring-2 {
  width: 310px;
  height: 310px;
  border: 1px dashed rgba(0, 212, 255, 0.08);
  animation: ringPulse 6s ease-in-out infinite 2s;
}

.ring-3 {
  width: 430px;
  height: 430px;
  border: 1px solid rgba(0, 212, 255, 0.05);
  animation: ringPulse 6s ease-in-out infinite 4s;
}

@keyframes ringPulse {
  0%, 100% { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.03); }
}

/* Main hexagon wrapper */
.hex-main-wrapper {
  position: relative;
  width: 230px;
  height: 265px;
  z-index: 2;
}

.hex-main-border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: linear-gradient(135deg, #00d4ff, #7b2ff7, #ff6b35);
  animation: hexBorderGlow 3s ease-in-out infinite;
}

@keyframes hexBorderGlow {
  0%, 100% { filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.3)); }
  50% { filter: drop-shadow(0 0 35px rgba(0, 212, 255, 0.5)); }
}

.hex-main-inner {
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hex-main-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 18px 18px;
}

/* Padlock icon */
.padlock-icon {
  font-size: 4.5rem;
  position: relative;
  z-index: 1;
  animation: padlockFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(255, 107, 53, 0.5));
}

@keyframes padlockFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hex-platform {
  font-family: 'Source Code Pro', monospace;
  font-size: 0.72rem;
  color: var(--primary);
  letter-spacing: 3px;
  margin-top: 10px;
  position: relative;
  z-index: 1;
  opacity: 0.7;
  text-transform: uppercase;
}

/* Hex glow */
.hex-glow {
  position: absolute;
  width: 340px;
  height: 340px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* Hex nodes */
.hex-node {
  position: absolute;
  width: 40px;
  height: 46px;
  z-index: 3;
}

.hex-node-1 {
  top: 8%;
  right: 10%;
}

.hex-node-2 {
  top: 50%;
  right: -5%;
  transform: translateY(-50%);
}

.hex-node-3 {
  bottom: 8%;
  right: 10%;
}

.hex-node-border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: var(--primary);
  opacity: 0.6;
}

.hex-node-inner {
  position: absolute;
  top: 3px;
  left: 3px;
  right: 3px;
  bottom: 3px;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--primary);
}

/* Connection lines SVG */
.connection-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* Particles */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary-glow);
  z-index: 4;
  animation: particleDrift 8s ease-in-out infinite;
}

.particle-1 { top: 15%; left: 25%; animation-delay: 0s; }
.particle-2 { top: 70%; left: 75%; animation-delay: -2s; }
.particle-3 { top: 40%; left: 85%; animation-delay: -4s; }
.particle-4 { top: 85%; left: 35%; animation-delay: -6s; }
.particle-5 { top: 25%; left: 55%; animation-delay: -1s; }

@keyframes particleDrift {
  0%, 100% { transform: translate(0, 0); opacity: 0.3; }
  25% { transform: translate(15px, -10px); opacity: 0.8; }
  50% { transform: translate(-10px, 15px); opacity: 0.5; }
  75% { transform: translate(10px, 5px); opacity: 0.7; }
}

/* ===== Why Choose Us / Features ===== */
.why-us {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: var(--transition);
}

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-icon-wrap {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-wrap {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--primary);
  transform: scale(1.1);
}

.feature-icon {
  font-size: 2rem;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ===== Courses ===== */
.courses {
  padding: 100px 0;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  cursor: pointer;
}

.course-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}

.course-card:hover::before {
  opacity: 1;
}

.course-header {
  padding: 32px 28px 20px;
  position: relative;
}

.course-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.course-card:hover .course-icon {
  transform: scale(1.1);
}

.course-level {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  position: absolute;
  top: 20px;
  left: 20px;
}

.level-beginner {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.level-intermediate {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.level-advanced {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.course-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.course-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.course-topics {
  padding: 0 28px 16px;
}

.topic-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.topic-check {
  color: var(--primary);
  font-size: 0.9rem;
}

.course-meta {
  display: flex;
  justify-content: space-between;
  padding: 16px 28px;
  border-top: 1px solid var(--border);
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.course-footer {
  padding: 0 28px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course-price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
}

.course-price-free {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  padding: 4px 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
}

.course-btn {
  background: var(--gradient-1);
  color: #fff;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.course-btn:hover {
  transform: scale(1.05);
}

/* ===== Labs Section ===== */
.labs {
  padding: 100px 0;
  background: rgba(17, 24, 39, 0.4);
}

.labs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.lab-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  position: relative;
}

.lab-card:hover {
  border-color: var(--secondary);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(123, 47, 247, 0.15);
}

.lab-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.lab-live {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
}

.lab-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: blink 1.5s ease-in-out infinite;
  margin-left: 4px;
}

.lab-coming {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.lab-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.lab-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.lab-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.lab-tag {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  background: rgba(123, 47, 247, 0.15);
  color: var(--secondary);
  border: 1px solid rgba(123, 47, 247, 0.3);
}

/* ===== Roadmap ===== */
.roadmap {
  padding: 100px 0;
}

.roadmap-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.roadmap-timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  right: 24px;
  width: 3px;
  background: var(--gradient-1);
}

.roadmap-item {
  display: flex;
  gap: 32px;
  padding: 24px 0;
  position: relative;
}

.roadmap-dot {
  width: 50px;
  height: 50px;
  background: var(--bg-card);
  border: 3px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  z-index: 1;
  color: var(--primary);
}

.roadmap-content { flex: 1; }

.roadmap-step {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.roadmap-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.roadmap-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Testimonials ===== */
.testimonials {
  padding: 100px 0;
  background: rgba(17, 24, 39, 0.4);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1rem;
  margin-bottom: 16px;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-name { font-weight: 600; font-size: 0.95rem; }
.testimonial-role { font-size: 0.8rem; color: var(--text-muted); }

/* ===== CTA ===== */
.cta {
  padding: 100px 0;
}

.cta-box {
  background: var(--gradient-3);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  animation: rotate-bg 15s linear infinite;
}

@keyframes rotate-bg {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}

.cta-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 36px;
  position: relative;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  position: relative;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo { margin-bottom: 16px; }

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 300px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--primary);
}

.footer-links li { padding: 6px 0; }

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-right: 8px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Course Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  animation: modal-in 0.3s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  padding: 32px 32px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.modal-close {
  width: 36px; height: 36px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.modal-body { padding: 24px 32px 32px; }

.modal-course-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.modal-course-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.modal-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.curriculum-list { margin-bottom: 24px; }

.curriculum-module {
  background: rgba(30, 41, 59, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.module-header {
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}

.module-header:hover {
  background: rgba(0, 212, 255, 0.05);
}

.module-title {
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.module-lessons {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.module-content {
  padding: 0 18px 14px;
  display: none;
}

.module-content.open { display: block; }

.lesson-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(30, 41, 59, 0.3);
}

.lesson-item:last-child { border-bottom: none; }

.lesson-icon {
  font-size: 0.9rem;
  width: 24px;
  text-align: center;
}

.modal-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.modal-info-item {
  background: rgba(30, 41, 59, 0.3);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-info-icon { font-size: 1.3rem; }
.modal-info-label { font-size: 0.8rem; color: var(--text-muted); }
.modal-info-value { font-weight: 600; font-size: 0.95rem; }

.modal-enroll-btn {
  width: 100%;
  background: var(--gradient-1);
  color: #fff;
  padding: 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 16px;
}

.modal-enroll-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

/* ===== Scroll Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    direction: rtl;
  }
  .hero-visual { display: none; }
  .hero-desc { margin: 0 auto 36px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; flex-wrap: wrap; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section-title { font-size: 2rem; }
  .hero h1 { font-size: 2.5rem; }
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    right: 0; left: 0;
    background: rgba(10, 14, 23, 0.95);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
  }
  .stats-row { flex-direction: column; gap: 24px; }
  .stats-divider { width: 60px; height: 1px; }
  .hero-stats { gap: 20px; flex-direction: column; align-items: stretch; }
  .stat-item { justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .cta-title { font-size: 1.8rem; }
  .modal { margin: 10px; }
  .modal-info-grid { grid-template-columns: 1fr; }
}