:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e6e1;
  --fg-muted: #8a8880;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.15);
  --accent-2: #ffd166;
  --green: #06d6a0;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM 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);
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 100px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.hero .lede {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
}

.hero-stat-row {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

.hero-stat .number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-2);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 0.3rem;
}

/* --- PROBLEM SECTION --- */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-subtle);
}

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

.problem .section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(255, 107, 53, 0.2);
}

.problem-card .icon {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

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

/* --- HOW SECTION --- */
.how {
  padding: 6rem 2rem;
}

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

.how .section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  max-width: 650px;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  align-items: start;
}

.how-step:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(255, 107, 53, 0.2);
  line-height: 1;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 550px;
}

/* --- WHO SECTION --- */
.who {
  padding: 6rem 2rem;
  background: var(--bg-subtle);
}

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

.who .section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.who h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.who-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.who-item .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.who-item span {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
}

/* --- CLOSING --- */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60vw;
  height: 40vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.closing h2 .highlight {
  color: var(--accent);
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 500px;
  margin: 0 auto;
}

/* --- FOOTER --- */
footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

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

footer .brand {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg);
}

/* --- CTA BUTTONS --- */
.hero-cta-row {
  display: flex;
  gap: 0.85rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 10px;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: opacity 0.2s, transform 0.15s;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.25);
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  padding: 0.9rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  border-color: rgba(255, 107, 53, 0.4);
  background: rgba(255, 107, 53, 0.06);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }

  .who-grid {
    grid-template-columns: 1fr;
  }

  .hero-stat-row {
    flex-direction: column;
    gap: 1.5rem;
  }

  .how-step {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }

  .step-num {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 4rem 1.2rem 3rem;
  }

  .problem, .how, .who {
    padding: 4rem 1.2rem;
  }

  .closing {
    padding: 5rem 1.2rem;
  }
}