:root {
  --bg: #0a0f0d;
  --bg-alt: #111916;
  --fg: #e8ede9;
  --fg-muted: #8a9b8e;
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, 0.12);
  --amber: #fbbf24;
  --blue: #60a5fa;
  --radius: 16px;
  --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);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 5vw 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  margin-bottom: 28px;
  letter-spacing: -1.5px;
}

.accent { color: var(--accent); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* Phone mockup */
.phone-mock {
  width: 280px;
  margin: 0 auto;
  background: #1a2320;
  border-radius: 32px;
  padding: 12px;
  border: 2px solid rgba(74, 222, 128, 0.15);
  box-shadow: 0 40px 80px rgba(0,0,0,0.4), 0 0 120px rgba(74, 222, 128, 0.06);
}

.phone-screen {
  background: var(--bg);
  border-radius: 22px;
  padding: 32px 20px;
  position: relative;
  overflow: hidden;
}

.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanMove 2.5s ease-in-out infinite;
}

@keyframes scanMove {
  0%, 100% { top: 10%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  50% { top: 35%; }
}

.meal-icon {
  font-size: 48px;
  text-align: center;
  margin-bottom: 24px;
  filter: grayscale(0.2);
}

.nutrition-readout {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.readout-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-alt);
  border-radius: 10px;
  font-family: var(--font-display);
}

.readout-row .label {
  color: var(--fg-muted);
  font-size: 14px;
}

.readout-row .value {
  font-weight: 700;
  font-size: 18px;
}

.readout-row .value.green { color: var(--accent); }
.readout-row .value.amber { color: var(--amber); }
.readout-row .value.blue { color: var(--blue); }

/* ---- HOW IT WORKS ---- */
.how {
  padding: 120px 5vw;
  max-width: 1200px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 64px;
  letter-spacing: -1px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step {
  padding: 40px 32px;
  border-radius: var(--radius);
  background: var(--bg-alt);
  border: 1px solid rgba(74, 222, 128, 0.06);
  transition: border-color 0.3s;
}

.step:hover {
  border-color: rgba(74, 222, 128, 0.2);
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.step p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---- FEATURES ---- */
.features {
  padding: 120px 5vw;
  max-width: 1200px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 64px;
}

.features-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 500px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: transform 0.25s, border-color 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(74, 222, 128, 0.15);
}

.feature-card.large {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
  padding: 48px 40px;
}

.feature-card.large .feature-icon {
  font-size: 56px;
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ---- NUMBERS ---- */
.numbers {
  padding: 100px 5vw;
  background: var(--bg-alt);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.big-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.number-block p {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

/* ---- CLOSING ---- */
.closing {
  padding: 140px 5vw;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.closing-accent {
  color: var(--accent) !important;
  font-family: var(--font-display);
  font-size: 1.3rem !important;
  font-weight: 600;
  margin-top: 32px !important;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 40px 5vw;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
}

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

/* ---- HERO CTA BUTTON ---- */
.hero-cta-btn {
  display: inline-block;
  padding: 16px 36px;
  background: var(--accent);
  color: #0a0f0d;
  border-radius: 50px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  box-shadow: 0 0 40px rgba(74,222,128,0.2);
}

.hero-cta-btn:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(74,222,128,0.35);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-sub {
    margin: 0 auto;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .feature-card.large {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}