:root {
  --black: #0a0a0a;
  --dark: #111111;
  --card: #161616;
  --border: #222222;
  --green: #3de07a;
  --green-dim: #2ab85e;
  --green-glow: rgba(61,224,122,0.15);
  --white: #f5f5f5;
  --muted: #888;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
}

/* ---- NAV ---- */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 2.5rem;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex; align-items: center;
  color: var(--white); text-decoration: none;
}
.nav-logo img {
  height: 30px;
  width: auto;
  display: block;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 0.875rem; font-weight: 400;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  background: var(--green); color: #000; font-family: system-ui, -apple-system, sans-serif;
  font-weight: 500; font-size: 0.875rem; padding: 0.6rem 1.4rem;
  border-radius: 100px; border: none; cursor: pointer; transition: opacity 0.2s;
  text-decoration: none;
}
.nav-cta:hover { opacity: 0.85; }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 7rem 1.5rem 4rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -20%; left: 50%; transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(ellipse, rgba(61,224,122,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.4rem 1rem;
  font-size: 0.75rem; font-weight: 400; color: var(--green);
  margin-bottom: 2rem;
  animation: fadeUp 0.6s ease both;
}
.badge-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; }

h1 {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700; line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.7s 0.1s ease both;
}
h1 .accent { color: var(--green); }

.hero-sub {
  max-width: 520px;
  font-size: 1.1rem; font-weight: 300; color: var(--muted);
  line-height: 1.7;
  margin-bottom: 3rem;
  animation: fadeUp 0.7s 0.2s ease both;
}

.hero-actions {
  display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; justify-content: center;
  animation: fadeUp 0.7s 0.3s ease both;
}
.btn-primary {
  background: var(--green); color: #000;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-weight: 500; font-size: 1rem;
  padding: 0.9rem 2.2rem; border-radius: 100px; border: none; cursor: pointer;
  display: flex; align-items: center; gap: 0.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 30px rgba(61,224,122,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 45px rgba(61,224,122,0.35); }
.btn-secondary {
  background: transparent; color: var(--white);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-weight: 400; font-size: 1rem;
  padding: 0.9rem 2rem; border-radius: 100px;
  border: 1px solid var(--border); cursor: pointer;
  transition: border-color 0.2s;
}
.btn-secondary:hover { border-color: var(--muted); }

.store-badges {
  display: flex; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; justify-content: center;
  animation: fadeUp 0.7s 0.4s ease both;
}
.store-badge {
  display: block;
  line-height: 0;
  transition: opacity 0.2s, transform 0.2s;
}
.store-badge:hover { opacity: 0.9; transform: translateY(-1px); }
.store-badge img {
  display: block;
  height: 48px;
  width: auto;
  vertical-align: top;
}

/* ---- PHONE MOCKUP ---- */
.phone-section {
  display: flex;
  justify-content: center;
  padding: 2rem 1.5rem 5rem;
  animation: fadeUp 0.8s 0.5s ease both;
}
.phone-wrap {
  max-width: 340px;
  width: 100%;
}
.phone-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 40px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.7), 0 0 60px rgba(61,224,122,0.08);
}

/* ---- FEATURES ---- */
.features {
  padding: 5rem 1.5rem;
  max-width: 1100px; margin: 0 auto;
}
.section-label {
  text-align: center;
  font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--green); margin-bottom: 1rem;
}
.section-title {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.8rem); text-align: center;
  margin-bottom: 3.5rem; letter-spacing: -0.02em;
}
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.feature-card:hover { border-color: #333; transform: translateY(-4px); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--green-glow); border: 1px solid rgba(61,224,122,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: 1.2rem;
}
.feature-name {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-weight: 700; font-size: 1.1rem;
  margin-bottom: 0.6rem;
}
.feature-desc { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }

/* ---- HOW IT WORKS ---- */
.how {
  padding: 5rem 1.5rem;
  background: linear-gradient(180deg, transparent 0%, rgba(61,224,122,0.03) 50%, transparent 100%);
}
.how-inner { max-width: 800px; margin: 0 auto; }
.steps { display: flex; flex-direction: column; gap: 0; margin-top: 3rem; }
.step {
  display: flex; gap: 1.5rem; padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 0.7rem; font-weight: 800;
  color: var(--green); min-width: 28px; padding-top: 3px;
  letter-spacing: 0.05em;
}
.step-title {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-weight: 700; font-size: 1.1rem;
  margin-bottom: 0.4rem;
}
.step-desc { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }

/* ---- CTA ---- */
.cta-section {
  padding: 6rem 1.5rem;
  text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(61,224,122,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section h2 {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem;
  position: relative;
}
.cta-section p { color: var(--muted); margin-bottom: 2.5rem; font-size: 1rem; position: relative; }
.cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; position: relative; }

/* ---- FOOTER ---- */
footer {
  padding: 2.5rem 2.5rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-logo {
  display: flex; align-items: center;
}
.footer-logo img {
  height: 24px;
  width: auto;
  display: block;
  opacity: 0.7;
}
.footer-copyright {
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 0.8rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  nav { padding: 1rem 1.25rem; }
  .nav-links { display: none; }
  footer { flex-direction: column; text-align: center; }
}