:root {
  --sky: #E8F4FD;
  --sky-deep: #D0E8F7;
  --ocean: #2B6CB0;
  --ocean-dark: #1E4E8C;
  --leaf: #48BB78;
  --leaf-soft: #C6F6D5;
  --warm: #FFF5E6;
  --coral: #FC8181;
  --coral-soft: #FED7D7;
  --text: #1A202C;
  --text-soft: #4A5568;
  --white: #FFFFFF;
  --border: #E2E8F0;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== HERO ========== */
.hero {
  background: linear-gradient(170deg, var(--sky) 0%, var(--white) 60%);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--sky-deep) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0.5;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--leaf-soft) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0.4;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: var(--white);
  border: 2px solid var(--ocean);
  color: var(--ocean);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--ocean);
}

.hero .lede {
  font-size: clamp(18px, 2.5vw, 22px);
  color: var(--text-soft);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

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

.hero-stat .number {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--ocean);
  display: block;
}

.hero-stat .label {
  font-size: 14px;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* ========== PROBLEM ========== */
.problem {
  padding: 80px 0;
  background: var(--white);
}

.problem-header {
  text-align: center;
  margin-bottom: 48px;
}

.problem-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}

.problem-header p {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 600px;
  margin: 0 auto;
}

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

.problem-card {
  background: var(--warm);
  border-radius: 16px;
  padding: 32px;
  border-left: 4px solid var(--coral);
}

.problem-card .icon {
  font-size: 32px;
  margin-bottom: 12px;
  display: block;
}

.problem-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.6;
}

/* ========== FEATURES ========== */
.features {
  padding: 80px 0;
  background: var(--sky);
}

.features-header {
  text-align: center;
  margin-bottom: 56px;
}

.features-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}

.features-header p {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 550px;
  margin: 0 auto;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.feature-item {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  transition: transform 0.2s ease;
}

.feature-item:hover {
  transform: translateY(-3px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.feature-icon.blue { background: var(--sky-deep); }
.feature-icon.green { background: var(--leaf-soft); }
.feature-icon.warm { background: var(--warm); }
.feature-icon.coral { background: var(--coral-soft); }

.feature-item h3 {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-item p {
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.6;
}

/* ========== SAFETY COLORS ========== */
.safety {
  padding: 80px 0;
  background: var(--white);
}

.safety-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.safety h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}

.safety > .container > p {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 550px;
  margin: 0 auto 40px;
  text-align: center;
}

.safety-colors {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.safety-color {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
}

.safety-color.green {
  background: var(--leaf-soft);
  border: 2px solid var(--leaf);
}

.safety-color.yellow {
  background: #FEFCBF;
  border: 2px solid #ECC94B;
}

.safety-color.red {
  background: var(--coral-soft);
  border: 2px solid var(--coral);
}

.safety-color .dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin: 0 auto 16px;
}

.safety-color.green .dot { background: var(--leaf); }
.safety-color.yellow .dot { background: #ECC94B; }
.safety-color.red .dot { background: var(--coral); }

.safety-color h3 {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.safety-color p {
  font-size: 15px;
  color: var(--text-soft);
}

.safety-disclaimer {
  background: var(--sky);
  border-radius: 16px;
  padding: 28px 32px;
  max-width: 700px;
  margin: 0 auto;
  text-align: left;
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.7;
  border-left: 4px solid var(--ocean);
}

.safety-disclaimer strong {
  color: var(--text);
}

/* ========== CLOSING ========== */
.closing {
  padding: 100px 0 80px;
  background: linear-gradient(170deg, var(--white) 0%, var(--sky) 100%);
  text-align: center;
}

.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.closing h2 em {
  font-style: normal;
  color: var(--ocean);
}

.closing p {
  font-size: 20px;
  color: var(--text-soft);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ========== FOOTER ========== */
footer {
  padding: 40px 0;
  background: var(--text);
  color: rgba(255,255,255,0.5);
  text-align: center;
  font-size: 14px;
}

footer .brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 8px;
}

footer p {
  margin-top: 4px;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero { padding: 60px 0 40px; }
  .hero-stats { gap: 24px; }
  .hero-stat .number { font-size: 28px; }
  .problem, .features, .safety, .closing { padding: 60px 0; }
  .safety-colors { flex-direction: column; align-items: center; }
  .safety-color { max-width: 100%; }
  .feature-list { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 32px; }
  .container { padding: 0 16px; }
  .feature-item { padding: 28px 20px; }
  .hero-stats { flex-direction: column; gap: 16px; }
}