body.concept-home {
  --concept-nav-height: 110px;
  width: 100%;
  overflow-x: hidden;
  background: #f5f7f6 !important;
}

body.concept-home.nav-open {
  overflow: hidden;
}

body.concept-home .hero-logo,
body.concept-home .hero-chippy {
  max-width: min(150px, 40vw);
  height: auto;
}

body.concept-home .hero-brand-row {
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

body.concept-home .hero-brand-row,
body.concept-home .hero-content {
  width: min(720px, 92vw);
  max-width: 720px;
  margin: 0 auto;
}

body.concept-home .nav-overlay-header {
  display: none;
}

body.concept-home .nav-overlay-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
}

body.concept-home .nav-menu-close {
  display: none;
}

@media (max-width: 1024px) {
  body.concept-home {
    padding-bottom: calc(var(--concept-nav-height) + env(safe-area-inset-bottom, 0px));
  }

  body.concept-home nav.test-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    border-top-left-radius: 18px;
    border-top-right-radius: 18px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  body.concept-home .nav-inner {
    padding: 0.75rem 1rem;
  }

  body.concept-home .nav-brand {
    display: none;
  }

  body.concept-home .nav-toggle {
    display: inline-flex;
    margin-right: auto;
  }

  body.concept-home .auth-links {
    margin-left: auto;
    gap: 0.5rem;
  }

  body.concept-home .auth-links a {
    font-size: 0.8rem;
  }

  body.concept-home .auth-links .auth-signup {
    padding: 0.4rem 0.9rem;
  }

  body.concept-home .nav-links {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2000;
    background: color-mix(in srgb, var(--surface) 94%, var(--primary) 6%);
    flex-direction: column;
    gap: 1rem;
    padding: calc(3.5rem + env(safe-area-inset-top, 0px)) 1.75rem 2rem;
    display: none;
    overflow-y: auto;
  }

  body.concept-home .nav-links[data-open="true"] {
    display: flex;
    animation: concept-nav-overlay 240ms ease;
  }

  body.concept-home .nav-overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    margin-bottom: 0.75rem;
  }

  body.concept-home .nav-overlay-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text);
  }

  body.concept-home .nav-links::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.15), transparent 60%),
                radial-gradient(circle at 85% 5%, rgba(20, 184, 166, 0.1), transparent 60%);
    pointer-events: none;
  }

  body.concept-home .nav-overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    margin-bottom: 0.75rem;
  }

  body.concept-home .nav-overlay-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
  }

  body.concept-home .nav-links ul {
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  body.concept-home .nav-links li {
    width: 100%;
  }

  body.concept-home .nav-links a {
    font-size: 1.05rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
    display: block;
    text-align: left;
  }

  body.concept-home .nav-links li:last-child a {
    border-bottom: none;
  }

  body.concept-home .nav-menu-close {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: none;
    background: transparent;
    padding: 0.3rem 0.5rem;
    border-radius: 0.5rem;
    color: var(--text);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: color 0.2s ease, background 0.2s ease;
  }

  body.concept-home .nav-menu-close:hover {
    background: rgba(0, 0, 0, 0.04);
    color: var(--primary);
  }

  body.concept-home .nav-menu-close-icon {
    font-size: 1.35rem;
    line-height: 1;
  }

  body.concept-home .nav-close-text {
    margin-left: 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
  }

  body.concept-home .nav-menu-close .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  body.concept-home .nav-close-text {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: nowrap;
    margin-left: 0.4rem;
    font-size: 1rem;
    font-weight: 500;
  }
}

@media (max-width: 599px) {
  body.concept-home {
    --concept-nav-height: 120px;
  }
}

@media (min-width: 1025px) {
  body.concept-home {
    padding-bottom: 0;
  }

  body.concept-home nav.test-nav {
    position: sticky;
    top: 0;
    bottom: auto;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }

  body.concept-home .hero-brand-row {
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: clamp(1.5rem, 6vw, 6rem);
  }

  body.concept-home .nav-brand {
    display: flex;
  }

  body.concept-home .nav-toggle {
    display: none;
  }

  body.concept-home .auth-links {
    margin-left: auto;
  }

  body.concept-home .nav-links {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    padding: 0;
    display: flex !important;
  }

  body.concept-home .nav-overlay-header,
  body.concept-home .nav-menu-close {
    display: none !important;
  }

  body.concept-home .nav-links ul {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
    width: auto;
  }

  body.concept-home .nav-links li {
    width: auto;
  }

  body.concept-home .nav-links a {
    border-bottom: 2px solid transparent;
    text-align: center;
    font-size: 0.95rem;
    padding: 0.2rem 0;
  }
}

@keyframes concept-nav-overlay {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.concept-home .nav-overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  margin-bottom: 0.5rem;
}

.concept-home .nav-overlay-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
}
  body.concept-home .nav-overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    margin-bottom: 0.5rem;
  }

  body.concept-home .nav-overlay-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text);
  }

@media (min-width: 1200px) {
  body.concept-home .hero-brand-row,
  body.concept-home .hero-content {
    width: min(860px, 92vw);
    max-width: 860px;
  }
}