@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  -webkit-user-select: none;
}

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.15);
  --success: #10b981;
  --warning: #f59e0b;
  --info: #3b82f6;
  --purple: #8b5cf6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --gradient-main: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --gradient-accent: linear-gradient(135deg, #06b6d4, #0891b2);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

.slide {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 60px 80px;
  background: var(--gradient-main);
  position: relative;
  overflow: hidden;
}

.slide-content {
  max-width: 1200px;
  width: 100%;
  position: relative;
  z-index: 2;
}

.bg-pattern {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.03;
  background-image:
    radial-gradient(circle at 25% 25%, var(--accent) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, var(--accent) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.08;
  z-index: 0;
  pointer-events: none;
}

.bg-glow-1 {
  top: -200px;
  right: -200px;
  background: var(--accent);
}

.bg-glow-2 {
  bottom: -200px;
  left: -200px;
  background: #3b82f6;
}

h1 {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 .accent {
  color: var(--accent);
}

h2 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.subtitle {
  font-size: clamp(18px, 2vw, 24px);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.5;
  margin-top: 16px;
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 12px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(30, 41, 59, 0.5);
}

.status-line .check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.status-line .check svg {
  width: 10px;
  height: 10px;
  fill: white;
}

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

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.anim-fade { opacity: 0; animation: fadeIn 0.8s ease forwards; }
.anim-left { opacity: 0; animation: fadeInLeft 0.8s ease forwards; }
.anim-right { opacity: 0; animation: fadeInRight 0.8s ease forwards; }
.anim-scale { opacity: 0; animation: scaleIn 0.6s ease forwards; }

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

.slide-title {
  position: absolute;
  top: 24px;
  left: 40px;
  z-index: 10;
}

.slide-title h2 {
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.content-area {
  position: absolute;
  top: 80px;
  bottom: 60px;
  left: 0;
  right: 0;
  padding: 0 40px;
  z-index: 10;
}

@media (max-width: 768px) {
  .slide { padding: 32px 24px; }
  .slide-content { max-width: 100%; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .slide-title { top: 14px; left: 16px; }
  .slide-title h2 { font-size: 15px; }
  .content-area { top: 60px; bottom: 40px; padding: 0 16px; }
}