:root {
  --bg: #0a1628;
  --bg-alt: #0f1f3a;
  --surface: #152242;
  --fg: #e8edf5;
  --fg-muted: #8899b4;
  --accent: #00e68a;
  --accent-glow: rgba(0, 230, 138, 0.15);
  --accent-alt: #00c9ff;
  --warm: #ffd166;
  --danger: #ff6b6b;
  --radius: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 201, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 230, 138, 0.25);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

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

.hero .lede {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat .num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* ---- PROBLEM SECTION ---- */
.problem {
  padding: 100px 24px;
  background: var(--bg-alt);
  position: relative;
}

.problem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 230, 138, 0.2), transparent);
}

.section-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(136, 153, 180, 0.1);
  transition: border-color 0.3s ease;
}

.problem-card:hover {
  border-color: rgba(0, 230, 138, 0.3);
}

.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.problem-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- HOW IT WORKS ---- */
.how {
  padding: 100px 24px;
  position: relative;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.step {
  position: relative;
  padding-left: 0;
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.step h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- WHY SECTION ---- */
.why {
  padding: 100px 24px;
  background: var(--bg-alt);
  position: relative;
}

.why::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 201, 255, 0.2), transparent);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.why-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid rgba(136, 153, 180, 0.1);
}

.why-card .icon-wrap {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--accent-glow);
  font-size: 1.3rem;
}

.why-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}

.closing-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing p {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 550px;
  margin: 0 auto;
}

/* ---- FOOTER ---- */
footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid rgba(136, 153, 180, 0.08);
}

footer p {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

footer .location {
  margin-top: 8px;
  font-size: 0.8rem;
  color: rgba(136, 153, 180, 0.6);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero-stats {
    gap: 32px;
  }

  .problem-grid,
  .steps,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .why-card {
    flex-direction: column;
    gap: 12px;
  }
}