:root {
  --bg: #f4f1eb;
  --bg-dark: #2c3e2d;
  --fg: #1a1a1a;
  --fg-light: #f4f1eb;
  --accent: #5b8c5a;
  --accent-warm: #c4956a;
  --muted: #8a8578;
  --border: rgba(26, 26, 26, 0.08);
  --glass: rgba(244, 241, 235, 0.85);
}

* { 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: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 70%;
  height: 140%;
  background: radial-gradient(ellipse at center, rgba(91, 140, 90, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 3rem 4rem 6rem;
  z-index: 1;
}

.hero-brand {
  font-family: 'Syne', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 1.5rem;
  max-width: 560px;
}

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

.hero-lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 440px;
  line-height: 1.7;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.hero-card {
  width: 85%;
  max-width: 420px;
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 30px 80px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04);
  transform: rotate(1.5deg);
}

.hero-card-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.2rem;
}

.hero-card-stat {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.hero-card-stat .number {
  font-family: 'Syne', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--fg);
}

.hero-card-stat .unit {
  font-size: 1rem;
  color: var(--muted);
}

.hero-card-detail {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.hero-card-detail span {
  color: var(--accent);
  font-weight: 600;
}

/* ---- FEATURES ---- */
.features {
  padding: 6rem 6rem;
  background: var(--bg-dark);
  color: var(--fg-light);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.features-header {
  max-width: 600px;
  margin-bottom: 4rem;
}

.features-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.features-header p {
  color: rgba(244, 241, 235, 0.6);
  font-size: 1.05rem;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-item {
  padding: 2.5rem 2rem;
  border-radius: 16px;
  background: rgba(244, 241, 235, 0.05);
  border: 1px solid rgba(244, 241, 235, 0.08);
  transition: background 0.3s, border-color 0.3s;
}

.feature-item:hover {
  background: rgba(244, 241, 235, 0.08);
  border-color: rgba(244, 241, 235, 0.15);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(91, 140, 90, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.feature-item h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-item p {
  color: rgba(244, 241, 235, 0.55);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ---- RHYTHM ---- */
.rhythm {
  padding: 6rem 6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.rhythm-text h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.rhythm-text p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.rhythm-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rhythm-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: white;
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.rhythm-bar-indicator {
  width: 8px;
  height: 40px;
  border-radius: 4px;
  flex-shrink: 0;
}

.rhythm-bar-indicator.green { background: var(--accent); }
.rhythm-bar-indicator.warm { background: var(--accent-warm); }
.rhythm-bar-indicator.muted { background: var(--muted); }

.rhythm-bar-content {
  flex: 1;
}

.rhythm-bar-content .label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.rhythm-bar-content .value {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--fg);
}

/* ---- CLOSING ---- */
.closing {
  padding: 8rem 6rem;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(91, 140, 90, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  max-width: 700px;
  margin: 0 auto 1.5rem;
  position: relative;
}

.closing p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
}

/* ---- FOOTER ---- */
footer {
  padding: 2rem 6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

footer .footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  color: var(--fg);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-content {
    padding: 4rem 2rem 2rem;
  }

  .hero-visual {
    padding: 0 2rem 4rem;
  }

  .hero-card {
    width: 100%;
    transform: none;
  }

  .features {
    padding: 4rem 2rem;
  }

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

  .rhythm {
    grid-template-columns: 1fr;
    padding: 4rem 2rem;
    gap: 2rem;
  }

  .closing {
    padding: 5rem 2rem;
  }

  footer {
    padding: 2rem;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}