/* Shared site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.site-header .brand__logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.site-header .brand__name {
  font-size: 1.05rem;
}

.site-header .brand__tagline {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.site-nav a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: color 0.15s;
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--blue-700);
}

.site-nav a.is-active {
  color: var(--blue-700);
  box-shadow: inset 0 -2px 0 var(--blue-600);
  padding-bottom: 2px;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-900));
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
  flex-shrink: 0;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-download:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.35);
}

.btn-download svg {
  width: 16px;
  height: 16px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--blue-900);
}

/* Demo hero */
.demo-hero {
  padding: 40px 0 64px;
  text-align: center;
}

.demo-hero__badge {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.demo-hero__title {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3.5vw, 2.35rem);
  font-weight: 800;
  color: var(--blue-900);
  letter-spacing: -0.03em;
}

.demo-hero__lead {
  margin: 0 auto 40px;
  max-width: 52ch;
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.demo-hero__layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}

.demo-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
}

.demo-side-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.demo-side-list__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--white);
  flex-shrink: 0;
}

.demo-side-list__icon svg {
  width: 18px;
  height: 18px;
}

.demo-side-list h4 {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gray-900);
}

.demo-side-list p {
  margin: 2px 0 0;
  font-size: 0.78rem;
  color: var(--gray-500);
  line-height: 1.4;
}

.demo-phone-center {
  position: relative;
}

.demo-phone-center .phone {
  width: 260px;
  margin: 0 auto;
  box-shadow: var(--shadow-phone);
}

.demo-phone-center .phone__screen--image {
  min-height: 0;
  padding: 0;
  line-height: 0;
  background: #111827;
}

.demo-phone-center .phone__screen--image img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  object-fit: cover;
  object-position: top center;
}

.benefit-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.benefit-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  text-align: left;
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.benefit-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--white);
  flex-shrink: 0;
}

.benefit-card__icon svg {
  width: 18px;
  height: 18px;
}

.benefit-card h4 {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray-900);
}

.benefit-card p {
  margin: 2px 0 0;
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* Section headings */
.section-head {
  text-align: center;
  margin-bottom: 40px;
}

.section-head__eyebrow {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-head__eyebrow--green { color: var(--green-600); }
.section-head__eyebrow--blue { color: var(--blue-600); }

.section-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 800;
  color: var(--blue-900);
  letter-spacing: -0.02em;
}

/* How it works */
.how-it-works {
  padding: 56px 0;
  background: linear-gradient(180deg, transparent, rgba(239, 246, 255, 0.6), transparent);
}

.steps-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 12px;
  align-items: stretch;
}

.step-arrow {
  display: grid;
  place-items: center;
  color: var(--gray-200);
  font-size: 1.5rem;
  padding-top: 40px;
}

.step-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.step-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--blue-50);
  color: var(--blue-700);
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
}

.step-card__icon svg {
  width: 28px;
  height: 28px;
}

.step-card h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--blue-900);
}

.step-card p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.5;
}

/* Results */
.results {
  padding: 56px 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-box {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.stat-box__icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin: 0 auto 10px;
  color: var(--white);
}

.stat-box__icon svg {
  width: 20px;
  height: 20px;
}

.stat-box h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--blue-900);
}

.testimonial-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  display: flex;
  gap: 20px;
  align-items: center;
}

.testimonial-card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #94a3b8, #64748b);
  flex-shrink: 0;
  overflow: hidden;
}

.testimonial-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-card blockquote {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.55;
  font-style: italic;
}

.testimonial-card cite {
  display: block;
  margin-top: 10px;
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 700;
  color: var(--blue-900);
}

.rating-box {
  text-align: center;
  padding: 16px;
}

.rating-box__stars {
  color: #fbbf24;
  font-size: 1.25rem;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.rating-box p {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gray-600);
}

/* Demo CTA */
.demo-cta {
  padding: 48px 0 64px;
}

.demo-cta__banner {
  background: linear-gradient(120deg, #1d4ed8 0%, #0891b2 55%, #0d9488 100%);
  border-radius: 24px;
  padding: 40px 36px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr 0.9fr;
  gap: 32px;
  align-items: center;
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.demo-cta__phone {
  display: flex;
  justify-content: center;
}

.demo-cta__phone .phone {
  transform: rotate(-8deg);
  width: 180px;
  box-shadow: var(--shadow-phone);
}

.demo-cta__phone .phone__screen--image {
  min-height: 0;
  padding: 0;
  line-height: 0;
  background: #111827;
}

.demo-cta__phone .phone__screen--image img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  object-fit: cover;
  object-position: top center;
}

.demo-cta__content h2 {
  margin: 0 0 10px;
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.demo-cta__content p {
  margin: 0 0 20px;
  font-size: 0.88rem;
  opacity: 0.92;
  line-height: 1.55;
  max-width: 36ch;
}

.demo-cta__aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.demo-cta__checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.demo-cta__checks li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
}

.demo-cta__checks svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.qr-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  color: var(--gray-900);
  align-self: flex-end;
}

.qr-card__code {
  width: 100px;
  height: 100px;
  margin: 0 auto 8px;
  background: #fff;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  padding: 6px;
}

.qr-card p {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gray-600);
}

.demo-poster {
  display: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 24px auto 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .demo-hero__layout {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }

  .demo-side-list,
  .benefit-cards {
    display: none;
  }

  .steps-row {
    grid-template-columns: 1fr;
  }

  .step-arrow {
    display: none;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonial-row {
    grid-template-columns: 1fr;
  }

  .demo-cta__banner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .demo-cta__content p {
    margin-inline: auto;
  }

  .demo-cta__aside {
    align-items: center;
  }

  .qr-card {
    align-self: center;
  }
}

@media (max-width: 1100px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    gap: 4px;
  }

  .site-nav a {
    padding: 10px 12px;
    border-radius: 8px;
  }

  .site-nav a.is-active {
    box-shadow: none;
    background: var(--blue-50);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-header__inner {
    position: relative;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }
}

@media (max-width: 768px) {
  .btn-download span {
    display: none;
  }

  .btn-download {
    padding: 10px 14px;
  }
}

@media (max-width: 540px) {
  .demo-phone-center,
  .demo-cta__phone,
  .steps-row,
  .stats-row,
  .testimonial-row {
    display: none;
  }

  .demo-poster {
    display: block;
  }
}

.demo-video {
  padding: 48px 0 64px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.demo-video__title {
  margin: 0 0 10px;
  text-align: center;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--blue-900);
}

.demo-video__lead {
  margin: 0 auto 28px;
  max-width: 640px;
  text-align: center;
  color: var(--gray-600);
  font-size: 1rem;
}

.demo-video__frame {
  max-width: 960px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #000;
  aspect-ratio: 16 / 9;
}

.demo-video__frame video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.demo-video__links {
  margin: 16px 0 0;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
}

.demo-video__links a {
  color: var(--blue-700);
}