:root {
  --bg-primary: #0a0f1d;
  --bg-card: rgba(18, 26, 47, 0.75);
  --bg-card-hover: rgba(28, 40, 70, 0.85);
  --border-color: rgba(64, 120, 255, 0.2);
  --border-accent: #00d2ff;
  --primary-accent: #00f2fe;
  --secondary-accent: #4facfe;
  --text-main: #f0f4f8;
  --text-muted: #94a3b8;
  --success-color: #00e676;
  --badge-bg: rgba(0, 242, 254, 0.12);
  --radius: 20px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(79, 172, 254, 0.08) 0%, transparent 40%);
  color: var(--text-main);
  min-height: 100vh;
  padding: 20px 15px 60px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.container {
  max-width: 850px;
  width: 100%;
  margin: 0 auto;
}

/* Header & Banner */
header {
  text-align: center;
  padding: 30px 20px;
  margin-bottom: 25px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #00f2fe, #4facfe, #00e676);
}

.bonus-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--badge-bg);
  color: var(--primary-accent);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 15px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(0, 242, 254, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 242, 254, 0); }
}

h1 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #ffffff 30%, var(--primary-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.5;
}

/* Language Selector Bar */
.lang-selector {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 5px 20px;
  margin-bottom: 25px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-accent) transparent;
}

.lang-selector::-webkit-scrollbar {
  height: 4px;
}

.lang-selector::-webkit-scrollbar-thumb {
  background: var(--primary-accent);
  border-radius: 4px;
}

.lang-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-btn:hover {
  background: rgba(0, 242, 254, 0.1);
  color: #fff;
  border-color: rgba(0, 242, 254, 0.4);
}

.lang-btn.active {
  background: linear-gradient(135deg, #00f2fe, #4facfe);
  color: #040914;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
  font-weight: 700;
}

/* Steps Grid */
.steps-wrapper {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-bottom: 35px;
}

.step-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 25px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.step-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 242, 254, 0.4);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00f2fe, #4facfe);
  color: #040914;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.step-content {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 20px;
  align-items: center;
}

@media (max-width: 768px) {
  .step-content {
    grid-template-columns: 1fr;
  }
}

.step-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-main);
}

.step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-list li {
  position: relative;
  padding-left: 24px;
  line-height: 1.5;
}

.step-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-accent);
  font-weight: 800;
}

.step-img-wrapper {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.step-img-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.step-img-wrapper:hover img {
  transform: scale(1.03);
}

/* Call to Action Footer */
.cta-footer {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(79, 172, 254, 0.05));
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
  box-shadow: var(--shadow);
}

.cta-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
  color: #fff;
}

.cta-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 20px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #00f2fe, #4facfe);
  color: #040914;
  font-size: 16px;
  font-weight: 800;
  padding: 16px 36px;
  border-radius: 14px;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.35);
  transition: all 0.3s ease;
}

.action-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 242, 254, 0.5);
}