/* ==========================================================================
   Scanner Sentinel - Section layouts
   ========================================================================== */

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-8), 8vw, var(--space-9)) clamp(var(--space-8), 9vw, var(--space-10));
}

/* Layered ambience: soft green + blue glows and a faint engineering grid */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(52rem 30rem at 82% 18%, rgba(59, 130, 246, 0.13), transparent 60%),
    radial-gradient(44rem 28rem at 8% 88%, rgba(34, 197, 94, 0.09), transparent 62%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(58rem 36rem at 68% 40%, #000 0%, transparent 72%);
  mask-image: radial-gradient(58rem 36rem at 68% 40%, #000 0%, transparent 72%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(var(--space-6), 5vw, var(--space-9));
}

.hero__title {
  font-size: var(--fs-3xl);
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.hero__title .accent {
  color: var(--green-400);
  text-shadow: 0 0 34px rgba(34, 197, 94, 0.45);
}

.hero__subtitle {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  color: var(--text-on-dark-primary);
  margin-bottom: var(--space-4);
}

.hero__copy {
  font-size: var(--fs-base);
  color: var(--text-on-dark-secondary);
  max-width: 34rem;
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero__trust {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-300);
}

.hero__trust .icon {
  width: 1.05rem;
  height: 1.05rem;
}

/* Staggered entrance on page load (hero only - above the fold) */
.hero [data-hero-stagger] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity var(--duration-slow) var(--ease-standard),
    transform var(--duration-slow) var(--ease-standard);
  transition-delay: var(--stagger-delay, 0ms);
}

.hero.is-loaded [data-hero-stagger] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero [data-hero-stagger] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---- Device frame (monitor mockup) -------------------------------------- */

.hero__media {
  position: relative;
}

.device-frame {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #1c2940, #0d1728);
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.device-frame__screen {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 6px);
  background:
    radial-gradient(30rem 18rem at 80% -10%, rgba(59, 130, 246, 0.12), transparent 60%),
    linear-gradient(180deg, #0b1526, #080f1d);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-4);
}

/* Screen glass reflection */
.device-frame__screen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.06) 0%, transparent 30%);
}

/* Monitor stand */
.device-frame__stand {
  width: 90px;
  height: 26px;
  margin: 0 auto;
  background: linear-gradient(180deg, #17233a, #0b1424);
  clip-path: polygon(18% 0, 82% 0, 100% 100%, 0 100%);
}

.device-frame__base {
  width: 170px;
  height: 8px;
  margin: 0 auto;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, #1a2740, #0a1322);
}

/* Dashboard placeholder inside the screen */
.dash__topbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.dash__topbar-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

.dash__window-dots {
  display: flex;
  gap: 5px;
}

.dash__window-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}

.dash__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.dash__chart-panel {
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.dash__chart-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: var(--space-2);
}

.dash__alerts {
  display: grid;
  gap: var(--space-2);
}

/* Real product screenshot filling the monitor screen */
.dash__screenshot {
  display: block;
  width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Floating alert cards overlapping the monitor */
.float-card {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  max-width: 240px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(13, 23, 40, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-on-dark);
  border-left-width: 3px;
  box-shadow: var(--shadow-card-dark);
  animation: float-drift 7s ease-in-out infinite;
}

.float-card--critical {
  top: -7%;
  right: -6%;
  border-left-color: var(--severity-critical);
  animation-delay: 0s;
}

.float-card--normal {
  bottom: -3%;
  left: -5%;
  border-left-color: var(--severity-normal);
  animation-delay: 3.5s;
}

.float-card .icon {
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.1rem;
}

.float-card--critical .icon { color: var(--severity-critical); }
.float-card--normal .icon { color: var(--severity-normal); }

.float-card__title {
  font-size: 0.78rem;
  font-weight: var(--fw-semibold);
  color: var(--white);
  line-height: 1.3;
}

.float-card__meta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-on-dark-muted);
  margin-top: 2px;
}

@keyframes float-drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

@media (prefers-reduced-motion: reduce) {
  .float-card {
    animation: none;
  }
}

@media (max-width: 1100px) {
  .float-card--critical { right: 0; top: -6%; }
  .float-card--normal { left: 0; bottom: -3%; }
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__media {
    max-width: 34rem;
    margin-inline: auto;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .float-card {
    display: none;
  }
}

/* ==========================================================================
   MONITORING LEVELS  (dark ink canvas, blue-glow cards - Ref B treatment)
   ========================================================================== */

.levels {
  position: relative;
  overflow: hidden;
}

.levels::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(46rem 26rem at 50% -8%, rgba(59, 130, 246, 0.12), transparent 65%),
    radial-gradient(30rem 20rem at 100% 100%, rgba(59, 130, 246, 0.05), transparent 60%);
}

.levels__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(var(--space-4), 2.5vw, var(--space-6));
}

.level-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: clamp(var(--space-5), 3vw, var(--space-6));
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.05), rgba(255, 255, 255, 0.015) 40%);
  box-shadow: var(--shadow-glow-blue);
  transition:
    transform var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard);
}

@media (hover: hover) {
  .level-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow-blue-hover);
  }
}

.level-card__badge {
  align-self: flex-start;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
}

.level-card__title {
  font-size: var(--fs-xl);
  color: var(--white);
}

.level-card__desc {
  font-size: var(--fs-sm);
  color: var(--text-on-dark-secondary);
}

.level-card__includes {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-300);
}

.level-card__list {
  display: grid;
  gap: var(--space-3);
  margin-top: auto;
}

.level-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--text-on-dark-secondary);
  line-height: var(--lh-snug);
}

.level-card__list li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 0.5rem;
  border-radius: 50%;
  background: var(--blue-400);
  box-shadow: 0 0 8px rgba(96, 165, 250, 0.8);
}

.levels__note {
  position: relative;
  z-index: 1;
  margin-top: clamp(var(--space-6), 4vw, var(--space-7));
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--text-on-dark-muted);
}

@media (max-width: 940px) {
  .levels__grid {
    grid-template-columns: 1fr;
    max-width: 30rem;
    margin-inline: auto;
  }
}

/* ==========================================================================
   ONE DASHBOARD  (navy canvas)
   ========================================================================== */

.dashboard {
  position: relative;
  overflow: hidden;
}

.dashboard::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(44rem 26rem at 0% 20%, rgba(34, 197, 94, 0.07), transparent 60%);
}

.dashboard__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(var(--space-6), 5vw, var(--space-9));
}

.dashboard__checklist {
  margin-block: var(--space-6);
}

.dashboard__panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

/* Full-width row of real product screenshots below the 2-column intro */
.dashboard__gallery {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
  margin-top: clamp(var(--space-5), 3vw, var(--space-6));
}

.mini-panel__img {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mini-panel {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-on-dark);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  padding: var(--space-4);
  box-shadow: var(--shadow-card-dark);
  transition:
    transform var(--duration-base) var(--ease-standard),
    border-color var(--duration-base) ease;
}

@media (hover: hover) {
  .mini-panel:hover {
    transform: translateY(-4px);
    border-color: rgba(74, 222, 128, 0.35);
  }
}

.mini-panel--wide {
  grid-column: 1 / -1;
}

.mini-panel__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: var(--space-3);
}

.mini-panel__title .icon {
  width: 0.95rem;
  height: 0.95rem;
  color: var(--green-400);
}

.mini-panel__alerts {
  display: grid;
  gap: var(--space-2);
}

@media (max-width: 900px) {
  .dashboard__inner {
    grid-template-columns: 1fr;
  }

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

/* ==========================================================================
   HOW IT WORKS  (light canvas, 4 steps)
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(var(--space-5), 3vw, var(--space-7));
}

.step {
  position: relative;
  text-align: center;
  padding-inline: var(--space-2);
}

/* Connector line between steps */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 34px;
  left: calc(50% + 46px);
  width: calc(100% - 92px);
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--paper-200) 0,
    var(--paper-200) 7px,
    transparent 7px,
    transparent 14px
  );
}

.step__number {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--green-500);
  color: var(--green-600);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.18);
}

.step__number .icon {
  width: 1.6rem;
  height: 1.6rem;
}

.step__index {
  position: absolute;
  top: -7px;
  right: -7px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-500), var(--green-600));
  color: var(--navy-950);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: var(--fw-semibold);
}

.step__title {
  font-size: var(--fs-md);
  margin-bottom: var(--space-2);
  color: var(--navy-900);
}

.step__desc {
  font-size: var(--fs-sm);
  color: var(--text-on-light-secondary);
}

@media (max-width: 900px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
    max-width: 22rem;
    margin-inline: auto;
  }
}

/* ==========================================================================
   FAQ  (light canvas)
   ========================================================================== */

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
}

@media (max-width: 1000px) {
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FOOTER CTA + FOOTER
   ========================================================================== */

.footer-cta {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.footer-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(40rem 22rem at 50% 0%, rgba(34, 197, 94, 0.1), transparent 65%),
    radial-gradient(36rem 22rem at 85% 100%, rgba(59, 130, 246, 0.07), transparent 60%);
}

.footer-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 46rem;
  margin-inline: auto;
}

.footer-cta__title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-4);
}

.footer-cta__title .accent {
  color: var(--green-400);
}

.footer-cta__copy {
  font-size: var(--fs-md);
  color: var(--text-on-dark-secondary);
  margin-bottom: var(--space-6);
}

.footer-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer-cta__login {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-on-dark-muted);
  transition: color var(--duration-fast) ease;
}

.footer-cta__login:hover {
  color: var(--green-300);
}

.site-footer__legal {
  border-top: 1px solid var(--border-on-dark);
  padding-block: var(--space-5);
}

.site-footer__legal-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--text-on-dark-muted);
}

.site-footer__links {
  display: flex;
  gap: var(--space-5);
}

.site-footer__links a {
  transition: color var(--duration-fast) ease;
}

.site-footer__links a:hover {
  color: var(--green-300);
}

@media (max-width: 560px) {
  .site-footer__legal-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}

/* ==========================================================================
   LEGAL PAGES  (privacy.html / terms.html)
   ========================================================================== */

.legal {
  max-width: 46rem;
  margin-inline: auto;
}

.legal__title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-3);
}

.legal__updated {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-bottom: var(--space-7);
}

.legal h2 {
  font-size: var(--fs-lg);
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
  color: var(--navy-900);
}

.legal p {
  margin-bottom: var(--space-4);
  color: var(--text-on-light-secondary);
}

.legal ul {
  margin: 0 0 var(--space-4) var(--space-5);
  color: var(--text-on-light-secondary);
}

.legal li {
  list-style: disc;
  margin-bottom: var(--space-2);
}

.legal a {
  color: var(--green-600);
  font-weight: var(--fw-medium);
}

.legal a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   MOTION EFFECTS - scan sweeps + scroll-driven depth
   ========================================================================== */

.hero__scene {
  position: relative;
}

/* Scanner-style light sweep across cards the moment they reveal */
.level-card,
.mini-panel {
  position: relative;
  overflow: hidden;
}

.level-card::after,
.mini-panel::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  top: 0;
  height: 44%;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(96, 165, 250, 0.13) 42%,
    rgba(74, 222, 128, 0.09) 58%,
    transparent
  );
  transform: translateY(-150%);
  pointer-events: none;
}

.level-card.is-visible::after,
.mini-panel.is-visible::after {
  animation: scan-sweep 1000ms var(--ease-standard) 300ms forwards;
}

@keyframes scan-sweep {
  to {
    transform: translateY(380%);
  }
}

/* Ambient scan line periodically sweeping the hero monitor screen */
.device-frame__screen::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 32%;
  z-index: 2;
  background: linear-gradient(to bottom, transparent, rgba(74, 222, 128, 0.12) 50%, transparent);
  transform: translateY(-170%);
  pointer-events: none;
}

.hero.is-loaded .device-frame__screen::before {
  animation: screen-scan 6.5s ease-in-out 900ms infinite;
}

@keyframes screen-scan {
  0% { transform: translateY(-170%); }
  46% { transform: translateY(430%); }
  100% { transform: translateY(430%); }
}

/* Scroll-scrubbed depth: the monitor lags behind the scroll as the hero
   exits, and section glows drift - CSS scroll-driven animations, no JS */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .hero__scene {
      animation: scene-lag linear both;
      animation-timeline: view();
      animation-range: exit 0% exit 100%;
    }

    .levels::before,
    .dashboard::before,
    .footer-cta::before {
      animation: glow-drift linear both;
      animation-timeline: view();
    }
  }
}

@keyframes scene-lag {
  from { transform: translateY(0) scale(1); }
  to { transform: translateY(70px) scale(0.97); }
}

@keyframes glow-drift {
  from { transform: translateY(-4%); }
  to { transform: translateY(6%); }
}

@media (prefers-reduced-motion: reduce) {
  .level-card::after,
  .mini-panel::after,
  .device-frame__screen::before {
    display: none;
  }
}