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

:root {
  --green: #3DDC84;
  --bg: #0D0D0F;
  --bg2: #111318;
  --bg3: #161618;
  --border: #1f1f1f;
  --border2: #252525;
  --text: #ffffff;
  --text2: #aaaaaa;
  --text3: #555555;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13,13,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
}
.nav-eye {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #1a1a1a;
  border: 2px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-eye-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--green);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--green) !important;
  color: var(--bg) !important;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px !important;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 64px;
  overflow: hidden;
}
.hero-image-wrap {
  position: absolute;
  inset: 0;
}
.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(13,13,15,0.75) 0%,
    rgba(13,13,15,0.82) 40%,
    rgba(13,13,15,0.98) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 0 32px;
}
.hero-label {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  color: var(--text2);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* BUTTONS */
.btn-primary {
  background: var(--green);
  color: var(--bg);
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: opacity 0.2s;
  display: inline-block;
}
.btn-primary:hover { opacity: 0.9; }
.btn-outline {
  border: 1px solid var(--green);
  color: var(--green);
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: background 0.2s;
  display: inline-block;
}
.btn-outline:hover { background: rgba(61,220,132,0.08); }
.btn-large { padding: 18px 40px; font-size: 16px; }

/* SECTIONS */
.section { padding: 100px 0; }
.section-alt { background: var(--bg2); }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-label {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 60px;
  max-width: 640px;
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--green); }
.feature-icon {
  width: 44px; height: 44px;
  background: rgba(61,220,132,0.08);
  border: 1px solid var(--green);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
}

/* DEVICES */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.device-card {
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.2s;
}
.device-card:hover { border-color: var(--green); }
.device-icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.device-phone {
  width: 40px; height: 70px;
  border: 2px solid var(--green);
  border-radius: 8px;
  flex-direction: column;
  padding: 6px 4px;
  gap: 4px;
}
.device-tablet {
  width: 60px; height: 70px;
  border: 2px solid var(--green);
  border-radius: 6px;
  padding: 6px;
}
.device-desktop {
  flex-direction: column;
  gap: 4px;
}
.device-screen {
  width: 100%;
  flex: 1;
  background: rgba(61,220,132,0.08);
  border-radius: 3px;
  border: 1px solid var(--border2);
}
.device-btn {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
.device-desktop .device-screen {
  width: 70px; height: 46px;
  border: 2px solid var(--green);
  border-radius: 4px;
}
.device-stand {
  width: 20px; height: 6px;
  background: var(--green);
  border-radius: 2px;
}
.device-shift {
  width: 60px; height: 60px;
  border: 2px solid var(--green);
  border-radius: 50%;
  color: var(--green);
  font-size: 22px;
  font-weight: 300;
}
.device-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}
.device-card p {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.6;
}

/* ABOUT */
.about-text {
  font-size: 17px;
  color: var(--text2);
  margin-bottom: 20px;
  line-height: 1.8;
}
.about-link {
  color: var(--green);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  display: inline-block;
  margin-top: 8px;
}
.about-link:hover { text-decoration: underline; }

/* CONTACT */
.contact-note {
  font-size: 13px;
  color: var(--text3);
  margin-top: 20px;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text3);
}
.footer-inner a {
  color: var(--green);
  text-decoration: none;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-title { font-size: 36px; }
  .section { padding: 64px 0; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}