:root {
  --bg: #0a0a0b;
  --bg-elevated: #131316;
  --bg-card: #1a1a1f;
  --fg: #e8e8ec;
  --fg-muted: #8a8a95;
  --accent: #ff6b2b;
  --accent-glow: rgba(255, 107, 43, 0.15);
  --border: #2a2a30;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* NAV */
.nav {
  padding: 2rem 4rem;
  position: relative;
  z-index: 10;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--fg);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, var(--accent-glow), transparent);
}
.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 4rem 6rem;
  max-width: 800px;
  position: relative;
  z-index: 2;
}
.hero-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}
.hero h1 .accent {
  color: var(--accent);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* HERO VISUAL */
.hero-visual {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pulse-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.2;
  animation: pulse 3s ease-in-out infinite;
}
.pulse-ring.delay-1 { animation-delay: 1s; width: 70%; height: 70%; }
.pulse-ring.delay-2 { animation-delay: 2s; width: 40%; height: 40%; }
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.2; }
  50% { transform: scale(1.15); opacity: 0.05; }
}
.status-badge {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  padding: 0.5rem 1.2rem;
  border-radius: 2rem;
  position: relative;
  z-index: 2;
}

/* PROBLEM */
.problem {
  padding: 8rem 4rem;
  border-top: 1px solid var(--border);
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  display: block;
  margin-bottom: 1.5rem;
}
.problem-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.2rem;
}
.problem-icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* HOW */
.how {
  padding: 8rem 4rem;
  border-top: 1px solid var(--border);
  max-width: 900px;
  margin: 0 auto;
}
.how h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.how-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 4rem;
  max-width: 600px;
}
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: flex;
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  min-width: 60px;
  line-height: 1;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* NUMBERS */
.numbers {
  padding: 6rem 4rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.big-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}
.number-block p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* CLOSING */
.closing {
  padding: 10rem 4rem;
  text-align: center;
  background: radial-gradient(ellipse 60% 50% at 50% 60%, var(--accent-glow), transparent);
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.closing-sub {
  color: var(--fg-muted);
  font-size: 1.15rem;
}

/* FOOTER */
.footer {
  padding: 3rem 4rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
}
.footer-meta {
  font-size: 0.8rem;
  color: var(--fg-muted);
  opacity: 0.5;
}

/* MOBILE */
@media (max-width: 768px) {
  .nav { padding: 1.5rem 1.5rem; }
  .hero-content { padding: 0 1.5rem 4rem; }
  .hero-visual { display: none; }
  .problem { padding: 4rem 1.5rem; }
  .problem-grid { grid-template-columns: 1fr; gap: 2rem; }
  .how { padding: 4rem 1.5rem; }
  .step { flex-direction: column; gap: 0.8rem; }
  .step-num { font-size: 1.8rem; min-width: auto; }
  .numbers { padding: 4rem 1.5rem; }
  .numbers-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .closing { padding: 6rem 1.5rem; }
  .footer { padding: 2rem 1.5rem; }
  .footer-inner { flex-direction: column; gap: 0.5rem; }
}