:root {
  --teal:    #1F6F5C;
  --teal-dk: #163f34;
  --teal-lt: #4FBA9D;
  --dark:    #1a1a1a;
  --dark2:   #202020;
  --mid:     #3d3d3d;
  --muted:   #6b7280;
  --border:  #e5e7eb;
  --bg:      #f9fafb;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #fff;
  color: var(--dark2);
  -webkit-font-smoothing: antialiased;
}

nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: 68px;
  display: flex; align-items: center; padding: 0 6%;
}

.nav-inner {
  max-width: 1200px; width: 100%; margin: 0 auto;
  display: flex; align-items: center; gap: 14px;
}

nav img.logo { width: 44px; height: 44px; border-radius: 12px; }
.nav-brand { font-size: 1.05rem; font-weight: 800; color: var(--dark); letter-spacing: -0.3px; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 6px; }

.btn-nav {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--dark); color: #fff;
  border-radius: 10px; padding: 9px 18px;
  font-size: 0.85rem; font-weight: 600; text-decoration: none;
  transition: background 0.15s;
}
.btn-nav:hover { background: var(--teal-dk); }

.hero {
  background: var(--dark);
  padding: 120px 6% 96px;
  position: relative; overflow: hidden;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute; top: -20%; left: 50%; transform: translateX(-50%);
  width: 90%; height: 130%;
  background: radial-gradient(ellipse, rgba(31,111,92,0.28) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  max-width: 720px; margin: 0 auto;
  position: relative; z-index: 1;
}

.hero-icon {
  width: 88px; height: 88px; border-radius: 22px;
  margin: 0 auto 28px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(31,111,92,0.22);
  border: 1px solid rgba(31,111,92,0.5);
  border-radius: 30px; padding: 6px 16px;
  font-size: 0.78rem; font-weight: 700; color: var(--teal-lt);
  letter-spacing: 0.8px; text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-tag::before {
  content: ""; width: 7px; height: 7px;
  border-radius: 50%; background: var(--teal-lt);
}

.hero h1 {
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  font-weight: 900; color: #fff;
  letter-spacing: -2px; line-height: 1.05;
  margin-bottom: 22px;
}

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

.hero-sub {
  font-size: 1.15rem; color: #9ca3af;
  line-height: 1.8; max-width: 560px; margin: 0 auto;
  margin-bottom: 40px; font-weight: 400;
}

.cta-group { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--teal); color: #fff;
  border-radius: 12px; padding: 15px 30px;
  font-size: 1rem; font-weight: 700; text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: var(--teal-dk); transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.18);
  color: #e5e7eb; border-radius: 12px; padding: 15px 30px;
  font-size: 1rem; font-weight: 600; text-decoration: none;
  transition: background 0.15s;
}
.btn-ghost:hover { background: rgba(255,255,255,0.13); }

.features { padding: 104px 6%; background: var(--bg); }

.section-header { text-align: center; max-width: 620px; margin: 0 auto 72px; }

.eyebrow {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--teal);
  margin-bottom: 14px; display: block;
}

.section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800; letter-spacing: -1px;
  color: var(--dark); line-height: 1.2; margin-bottom: 16px;
}

.section-header p { font-size: 1rem; color: var(--muted); line-height: 1.75; }

.features-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}

.feature-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 18px; padding: 32px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.09); transform: translateY(-3px); }

.feature-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: #e4f1ec;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
}

.feature-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; letter-spacing: -0.2px; }
.feature-card p { font-size: 0.93rem; color: var(--muted); line-height: 1.7; }

.download {
  background: var(--dark); padding: 96px 6%;
  text-align: center; position: relative; overflow: hidden;
}

.download::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 55% 80% at 50% 50%, rgba(31,111,92,0.25) 0%, transparent 70%);
}

.download-inner { position: relative; z-index: 1; max-width: 580px; margin: 0 auto; }

.download h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800; color: #fff; letter-spacing: -1px; margin-bottom: 16px;
}

.download p { font-size: 1rem; color: #9ca3af; line-height: 1.75; margin-bottom: 40px; }

.coming-soon {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: 12px; padding: 14px 28px;
  color: #e5e7eb; font-weight: 700; font-size: 0.95rem;
}

footer { background: #fff; border-top: 1px solid var(--border); padding: 32px 6%; }

.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 18px;
}

.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 30px; height: 30px; border-radius: 8px; }
.footer-brand span { font-size: 0.92rem; font-weight: 700; color: var(--dark); }

.footer-links { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.footer-links a {
  font-size: 0.88rem; color: var(--muted); text-decoration: none;
  font-weight: 500; padding: 5px 10px; border-radius: 7px;
  transition: color 0.15s, background 0.15s;
}
.footer-links a:hover { color: var(--teal); background: #e4f1ec; }
.footer-links .sep { color: var(--border); font-size: 1rem; user-select: none; }

@media (max-width: 600px) {
  nav { padding: 0 5%; }
  .features-grid { grid-template-columns: 1fr; }
  .nav-links .btn-nav span { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 960px) and (min-width: 601px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}