:root {
  --bg-color: #0d0d12;
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --card-bg: #1e1e24;
  --card-border: #33333b;
  --btn-black: #ffffff;
  --btn-black-text: #0d0d12;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.hero {
  padding: 100px 0 60px;
  text-align: center;
  overflow: hidden;
}

.pill {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  padding: 6px 14px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 540px;
  margin: 0 auto 60px;
}

.hero-image {
  margin-top: 40px;
  display: flex;
  justify-content: center;
}

/* Phone Mockup */
.phone-mockup {
  width: 280px;
  height: 250px;
  background: linear-gradient(180deg, #111115 0%, #1a1a24 100%);
  border: 8px solid #2a2a35;
  border-bottom: 0;
  border-radius: 40px 40px 0 0;
  padding: 24px 20px;
  position: relative;
  box-shadow: 0 -20px 60px rgba(99, 102, 241, 0.1);
}
.phone-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 20px;
  background: #2a2a35;
  border-radius: 0 0 12px 12px;
}

.mockup-content {
  text-align: left;
  margin-top: 20px;
  animation: float 6s ease-in-out infinite;
}

.m-title { font-weight: 600; font-size: 16px; margin-bottom: 16px; display: block; color: var(--text-primary); text-align: center; }
.m-step { font-size: 13px; color: #a1a1aa; margin-bottom: 8px; }
.m-input { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 12px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; color: #fff;}
.active-step { color: var(--text-primary); font-weight: 500; font-size: 14px; }
.cursor { animation: blink 1s step-end infinite; color: var(--accent); }

@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0px); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* Setup Steps */
.setup {
  padding: 80px 0;
  background: #0f0f15;
}

.setup h2 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 12px;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 32px;
  border-radius: 20px;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.highlight-card {
  border-color: rgba(99, 102, 241, 0.4);
  background: linear-gradient(180deg, #1e1e24 0%, #1a1a2e 100%);
}

.step-number {
  position: absolute;
  top: -20px;
  left: 32px;
  background: var(--accent);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  border: 4px solid #0f0f15;
}

.step-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  margin-top: 10px;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
}
.subtext { font-size: 12px !important; color: #6b7280 !important; }

.instructions {
  background: rgba(0,0,0,0.3);
  padding: 16px;
  border-radius: 12px;
  font-size: 13px;
  color: #d1d5db;
}
.instructions ul { padding-left: 20px; }
.instructions li { margin-bottom: 6px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.2s;
  margin-top: auto;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-black { background: var(--btn-black); color: var(--btn-black-text); }
.btn-black:hover { background: #e5e5e5; }

.desktop-warning {
  color: #fca5a5 !important;
  font-size: 12px !important;
  margin-top: 12px !important;
  margin-bottom: 0 !important;
  text-align: center;
}

/* Features */
.features {
  padding: 100px 0;
}
.features h2 { text-align: center; margin-bottom: 60px; font-size: 32px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.feat .f-icon {
  font-size: 32px;
  margin-bottom: 16px;
  background: var(--card-bg);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  border: 1px solid var(--card-border);
}
.feat h4 { font-size: 18px; margin-bottom: 10px; }
.feat p { color: var(--text-secondary); font-size: 14px; }

footer {
  text-align: center;
  padding: 40px 0;
  color: var(--text-secondary);
  font-size: 14px;
  border-top: 1px solid var(--card-border);
}

@media (max-width: 768px) {
  h1 { font-size: 40px; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero-image { display: none; }
}