/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-text);
  text-decoration: none;
}
.nav-brand-mark {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background-color: #ffffff;
  -webkit-mask-image: url("../images/logo-mark.png");
  mask-image: url("../images/logo-mark.png");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav-links a {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  transition: color 0.15s ease, background-color 0.15s ease;
}
.nav-links a:hover {
  color: var(--color-text);
  background: var(--color-border);
}
.nav-links a.nav-cta {
  color: var(--color-accent);
  padding-right: var(--space-2);
}
.nav-links a.nav-cta:hover {
  color: var(--color-accent-hover);
  background: transparent;
}

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-7) var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-inner {
  max-width: 640px;
  text-align: center;
}
.hero-headline {
  font-size: var(--font-size-hero);
  line-height: 1.08;
  margin: 0;
}
.hero-accent {
  color: var(--color-accent);
}
.hero-subhead {
  max-width: 560px;
  margin: var(--space-4) auto 0;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}
.hero-note {
  margin: var(--space-3) 0 0;
  font-size: var(--font-size-small);
  color: var(--color-text-tertiary);
}

.hero-mockup {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: var(--space-6);
}
.hero-screenshot {
  display: block;
  width: 100%;
  max-width: 640px;
}

/* Responsive — extends the site's existing 900 / 760 / 600 breakpoints */
@media (max-width: 900px) {
  .hero {
    padding-top: var(--space-6);
  }
}
@media (max-width: 760px) {
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-ctas .btn {
    width: 100%;
  }
}
@media (max-width: 600px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }
  /* Only the CTA remains visible at this width — give it a taller
     tap target now that it's the sole nav action on touch devices. */
  .nav-links a.nav-cta {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }
  .hero {
    padding-top: var(--space-5);
  }
}