:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8f0;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent-purple: #6C5CE7;
  --accent-blue: #00D2FF;
  --accent-pink: #FD79A8;
  --accent-green: #55EFC4;
  --gradient: linear-gradient(135deg, #6C5CE7 0%, #00D2FF 100%);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
}
.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-blue);
  border: 1px solid rgba(0,210,255,0.25);
  background: rgba(0,210,255,0.08);
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 480px;
}

/* Phone mockup */
.phone-mockup {
  width: 280px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: 28px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 120px rgba(108,92,231,0.1);
}
.phone-screen {
  background: var(--bg-elevated);
  border-radius: 18px;
  padding: 16px;
  min-height: 380px;
}
.mock-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.search-icon { font-size: 0.9rem; }
.mock-results { display: flex; flex-direction: column; gap: 10px; }
.mock-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--bg-card);
  border-radius: 10px;
  animation: fadeUp 0.5s ease both;
  animation-delay: var(--delay);
}
.mock-thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  flex-shrink: 0;
}
.mock-thumb.tt { background: linear-gradient(135deg, #ff0050, #00f2ea); }
.mock-thumb.yt { background: linear-gradient(135deg, #ff0000, #cc0000); }
.mock-thumb.ig { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.mock-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.mock-meta {
  font-size: 0.72rem;
  color: var(--fg-dim);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- PROBLEM ---- */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
}
.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.problem-step {
  padding: 2rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.05);
}
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 1rem;
}
.problem-step p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- FEATURES ---- */
.features {
  padding: 6rem 2rem;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.feature-block {
  padding: 2.5rem;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.3s ease;
}
.feature-block:hover {
  border-color: rgba(108,92,231,0.3);
}
.feature-icon {
  margin-bottom: 1.25rem;
}
.feature-block h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.feature-block p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- HOW ---- */
.how {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
}
.how-inner {
  max-width: 900px;
  margin: 0 auto;
}
.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3.5rem;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.how-step {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
}
.how-num {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-purple);
  min-width: 40px;
  padding-top: 2px;
}
.how-content h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.how-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- CLOSING ---- */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
}
.closing::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108,92,231,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.footer {
  padding: 2.5rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg-muted);
}
.footer-note {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 6rem;
    gap: 3rem;
    min-height: auto;
  }
  .hero-sub { margin: 0 auto; }
  .hero-visual { order: -1; }
  .phone-mockup { width: 240px; }
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .features-inner {
    grid-template-columns: 1fr;
  }
  .how-step {
    flex-direction: column;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .problem h2, .how h2, .closing h2 { font-size: 1.6rem; }
  .feature-block { padding: 1.5rem; }
  .phone-mockup { width: 220px; }
}