.page-intro {
  color: var(--text);
}

.intro-shell {
  width: min(1220px, 95vw);
  margin: 0.85rem auto 1.25rem;
  display: grid;
  gap: 0.8rem;
}

.intro-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--topbar-border);
  border-radius: var(--radius-lg);
  padding: 0.65rem 0.85rem;
  background: linear-gradient(126deg, var(--topbar-grad-start), var(--topbar-grad-mid) 56%, var(--topbar-grad-end));
  box-shadow: 0 1px 2px rgba(3, 14, 24, 0.16);
}

.intro-brand {
  display: grid;
  gap: 0;
  min-width: 0;
}

.intro-brand-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.intro-hvaciq-logo {
  display: block;
  width: auto;
  height: clamp(34px, 2.6vw, 46px);
  object-fit: contain;
}

.intro-topbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.52rem;
}

.intro-main {
  display: grid;
  gap: 0.8rem;
}

.intro-hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 0.8rem;
}

.intro-panel,
.intro-hero-copy,
.intro-cta-panel {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  background: var(--panel-elevated);
  box-shadow: var(--shadow), inset 0 1px 0 color-mix(in srgb, var(--panel-inset) 50%, transparent);
}

.intro-panel {
  padding: clamp(0.95rem, 2.2vw, 1.3rem);
}

.intro-panel h2,
.intro-cta-panel h2 {
  margin: 0;
  font-size: clamp(1.26rem, 2.4vw, 1.72rem);
  line-height: 1.18;
}

.intro-panel p,
.intro-cta-panel p {
  margin: 0;
  color: var(--text-soft);
}

.intro-lead {
  margin-top: 0.48rem;
}

.intro-hero-copy {
  padding: clamp(1rem, 2.3vw, 1.35rem);
  display: grid;
  gap: 0.64rem;
  align-content: start;
  background:
    radial-gradient(circle at 95% 8%, color-mix(in srgb, var(--brand-cyan) 24%, transparent), transparent 42%),
    radial-gradient(circle at 10% 100%, color-mix(in srgb, var(--brand-green) 22%, transparent), transparent 44%),
    var(--panel-elevated);
}

.intro-hero-copy h1 {
  margin: 0;
  font-size: clamp(1.65rem, 3.35vw, 2.58rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.intro-subheadline {
  margin: 0;
  color: color-mix(in srgb, var(--text) 88%, var(--brand-cyan-deep));
  font-weight: 700;
  font-size: 1.02rem;
}

.intro-hero-copy p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.98rem;
  max-width: 66ch;
}

.intro-hero-visual {
  margin: 0;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
  position: relative;
}

.intro-hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 330px;
  object-fit: cover;
  display: block;
}

.efficiency-card {
  position: absolute;
  right: 0.72rem;
  bottom: 0.72rem;
  width: min(94%, 320px);
  border: 1px solid color-mix(in srgb, var(--panel-border) 84%, transparent);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  padding: 0.62rem 0.7rem;
  box-shadow: var(--shadow);
}

.efficiency-card h3 {
  margin: 0;
  font-size: 0.95rem;
}

.efficiency-card p {
  margin: 0.22rem 0 0.44rem;
  color: var(--text-soft);
  font-size: 0.78rem;
}

.eff-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.34rem;
}

.eff-label {
  font-size: 0.76rem;
  color: var(--text-soft);
  font-weight: 700;
}

.eff-bar {
  position: relative;
  display: block;
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--field-border) 36%, transparent);
  overflow: hidden;
}

.eff-bar span {
  position: absolute;
  inset: 0;
  width: 0;
  border-radius: 999px;
  animation: fill-bar 1.6s ease forwards;
}

.eff-bar-before span {
  width: 46%;
  background: linear-gradient(90deg, #9fb5c4, #7e9aaa);
}

.eff-bar-after span {
  width: 82%;
  background: linear-gradient(90deg, var(--btn-primary-start), var(--brand-green));
}

@keyframes fill-bar {
  from {
    transform: scaleX(0.3);
    transform-origin: left;
    opacity: 0.7;
  }
  to {
    transform: scaleX(1);
    transform-origin: left;
    opacity: 1;
  }
}

.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.intro-link-primary,
.intro-link-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.5rem 0.98rem;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  transition: transform 120ms ease, border-color 120ms ease, filter 120ms ease, background 120ms ease;
}

.intro-link-primary:hover,
.intro-link-secondary:hover {
  transform: translateY(-1px);
}

.intro-link-primary {
  color: #fff;
  border-color: color-mix(in srgb, var(--btn-primary-end) 56%, transparent);
  background: linear-gradient(180deg, var(--btn-primary-start), var(--btn-primary-end));
  box-shadow: 0 1px 2px rgba(20, 60, 86, 0.22);
}

.intro-link-primary:hover {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--btn-primary-start) 93%, #fff),
    color-mix(in srgb, var(--btn-primary-end) 93%, #fff)
  );
}

.intro-actions .intro-link-primary,
.intro-topbar-actions .intro-link-primary {
  color: #fff;
  text-decoration: none;
}

.intro-topbar-actions .intro-login-link {
  border-color: color-mix(in srgb, var(--field-border) 88%, transparent);
  background: color-mix(in srgb, var(--field-bg) 82%, transparent);
}

.intro-link-secondary {
  color: var(--text);
  border-color: var(--field-border);
  background: var(--field-bg);
}

.intro-link-secondary:hover {
  background: color-mix(in srgb, var(--field-bg) 80%, var(--brand-cyan) 20%);
}

:root[data-theme="dark"] .intro-link-secondary {
  color: #edf8ff;
  border-color: color-mix(in srgb, var(--brand-cyan) 34%, var(--field-border));
  background: color-mix(in srgb, var(--field-bg) 80%, var(--brand-cyan) 20%);
}

:root[data-theme="dark"] .intro-link-secondary:hover {
  background: color-mix(in srgb, var(--field-bg) 66%, var(--brand-cyan) 34%);
}

.how-grid {
  margin-top: 0.7rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.how-card {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 0.78rem 0.84rem;
  box-shadow: var(--shadow);
}

.how-icon {
  margin: 0;
  width: fit-content;
  min-width: 2.2rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--brand-cyan-deep) 26%, transparent);
  background: color-mix(in srgb, var(--brand-cyan) 12%, var(--field-bg));
  color: var(--text);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  font-weight: 800;
  line-height: 1;
  padding: 0.28rem 0.48rem;
  text-transform: uppercase;
}

.how-card h3 {
  margin: 0;
  font-size: 1rem;
}

.how-card p {
  margin: 0.4rem 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.benefit-grid {
  margin-top: 0.68rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.6rem;
  align-items: stretch;
}

.intro-benefits-panel .intro-actions {
  margin-top: 0.74rem;
}

.benefit-item {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 0.65rem 0.72rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 0.58rem;
  min-height: 52px;
  box-shadow: var(--shadow);
}

.benefit-icon {
  width: 1.24rem;
  height: 1.24rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.benefit-icon img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.benefit-item p {
  margin: 0;
  color: var(--text);
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.32;
}

.verify-award-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.badge-row {
  margin-top: 0.62rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--brand-cyan-deep) 30%, transparent);
  border-radius: 999px;
  padding: 0.24rem 0.6rem;
  background: color-mix(in srgb, var(--brand-cyan) 10%, var(--field-bg));
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
}

:root[data-theme="dark"] .badge-pill {
  border-color: color-mix(in srgb, var(--brand-cyan) 56%, var(--field-border));
  background: color-mix(in srgb, var(--field-bg) 70%, var(--brand-cyan) 30%);
  color: #eef9ff;
}

.intro-cta-wrap {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 0.8rem;
}

.intro-cta-media {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.intro-cta-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
}

.intro-cta-panel {
  padding: clamp(0.95rem, 2.3vw, 1.3rem);
  display: grid;
  gap: 0.6rem;
  align-content: start;
  grid-auto-rows: max-content;
  background:
    radial-gradient(circle at 5% 8%, color-mix(in srgb, var(--brand-cyan) 16%, transparent), transparent 34%),
    radial-gradient(circle at 95% 100%, color-mix(in srgb, var(--brand-green) 14%, transparent), transparent 36%),
    var(--panel-elevated);
}

.intro-cta-panel .intro-actions {
  margin-top: 0.38rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.62rem;
}

.intro-cta-panel .intro-actions .intro-link-primary,
.intro-cta-panel .intro-actions .intro-link-secondary {
  width: 100%;
  min-height: 54px;
  padding: 0.62rem 1.05rem;
}

.intro-footer {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 0.67rem 0.84rem;
  display: grid;
  gap: 0.28rem;
}

.intro-footer-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
}

.intro-footer-group-logo {
  display: block;
  width: clamp(112px, 15vw, 144px);
  height: auto;
}

.intro-footer p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.intro-footer a {
  color: color-mix(in srgb, var(--brand-cyan-deep) 72%, var(--text));
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.intro-footer a:hover {
  color: color-mix(in srgb, var(--brand-cyan) 74%, var(--text));
}

.intro-credits {
  opacity: 0.92;
}

@media (max-width: 1100px) {
  .intro-topbar {
    align-items: flex-start;
  }

  .intro-hero-grid,
  .intro-cta-wrap,
  .verify-award-grid {
    grid-template-columns: 1fr;
  }

  .how-grid {
    grid-template-columns: 1fr;
  }

  .benefit-grid {
    grid-template-columns: 1fr 1fr;
  }

  .intro-hero-visual img,
  .intro-cta-media img {
    min-height: 240px;
  }

  .intro-hero-visual img {
    max-height: 300px;
  }

  .efficiency-card {
    position: static;
    width: auto;
    margin: 0.58rem;
  }
}

@media (max-width: 720px) {
  .intro-shell {
    width: min(1240px, 96vw);
    margin-top: 0.55rem;
    gap: 0.6rem;
  }

  .intro-topbar {
    flex-direction: column;
    gap: 0.6rem;
    padding: 0.62rem 0.7rem;
  }

  .intro-brand-row {
    gap: 0.42rem;
  }

  .intro-hvaciq-logo {
    height: clamp(30px, 8.6vw, 42px);
  }

  .intro-topbar-actions {
    width: 100%;
    justify-content: flex-start;
    display: flex;
    flex-wrap: wrap;
    gap: 0.42rem;
  }

  .intro-topbar-actions .intro-link-secondary {
    flex: 1 1 calc(50% - 0.21rem);
    min-width: 136px;
  }

  .intro-topbar-actions .theme-toggle-button {
    margin-left: auto;
    flex: 0 0 auto;
  }

  .intro-link-primary,
  .intro-link-secondary {
    min-height: 38px;
    font-size: 0.85rem;
    padding: 0.45rem 0.85rem;
  }

  .intro-hero-copy,
  .intro-panel,
  .intro-cta-panel {
    padding: 0.84rem;
  }

  .intro-hero-copy h1 {
    font-size: clamp(1.42rem, 6vw, 1.9rem);
  }

  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .intro-cta-panel .intro-actions {
    grid-template-columns: 1fr;
  }

  .efficiency-card {
    margin: 0.5rem;
  }

  .intro-footer {
    padding: 0.6rem 0.72rem;
  }

  .intro-footer-brand {
    flex-direction: column;
    align-items: flex-start;
  }
}