:root {
  --bg: #050b14;
  --bg-2: #071526;
  --panel: rgba(17, 31, 52, 0.78);
  --panel-strong: rgba(21, 39, 66, 0.92);
  --line: rgba(119, 161, 255, 0.25);
  --line-strong: rgba(98, 144, 255, 0.7);
  --text: #eef6ff;
  --muted: #9db4d5;
  --soft: #c7d8f5;
  --cyan: #1fd7ff;
  --blue: #6e8cff;
  --green: #35e7ad;
  --orange: #ffb84d;
  --danger: #ff5f82;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
  --radius: 28px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(90deg, rgba(3, 7, 14, 0.92) 0%, rgba(3, 7, 14, 0.74) 38%, rgba(3, 7, 14, 0.46) 100%),
    url("assets/brand/sysdiag-background-style.png") top center / cover fixed no-repeat,
    linear-gradient(135deg, #03070e 0%, #071321 45%, #020814 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(83, 141, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83, 141, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.38;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.52), transparent 82%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 0%, rgba(5, 11, 20, 0.45) 36%, rgba(5, 11, 20, 0.94) 64%, #050b14 100%),
    radial-gradient(circle at 38% 22%, rgba(31, 215, 255, 0.12), transparent 32rem),
    radial-gradient(circle at 70% 35%, rgba(110, 140, 255, 0.16), transparent 38rem);
}

.ambient-effects {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  mix-blend-mode: screen;
}

.meteor,
.electric {
  position: absolute;
  display: block;
  pointer-events: none;
}

.meteor {
  top: 0;
  left: 0;
  width: clamp(140px, 18vw, 290px);
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(69, 199, 255, 0.08), rgba(170, 237, 255, 0.78));
  filter: drop-shadow(0 0 10px rgba(31, 215, 255, 0.55));
  opacity: 0;
  animation: meteorRain 17s linear infinite;
}

.meteor::after {
  content: "";
  position: absolute;
  right: -3px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(203, 246, 255, 0.9);
  box-shadow:
    0 0 12px rgba(31, 215, 255, 0.95),
    0 0 28px rgba(110, 140, 255, 0.7);
  transform: translateY(-50%);
}

.meteor-one {
  --start-x: -22vw;
  --start-y: 8vh;
  --end-x: 116vw;
  --end-y: 62vh;
  animation-delay: 0.7s;
}

.meteor-two {
  --start-x: -18vw;
  --start-y: 34vh;
  --end-x: 112vw;
  --end-y: 86vh;
  width: clamp(110px, 14vw, 220px);
  animation-delay: 6.3s;
  animation-duration: 23s;
}

.meteor-three {
  --start-x: 22vw;
  --start-y: -16vh;
  --end-x: 118vw;
  --end-y: 46vh;
  width: clamp(90px, 11vw, 180px);
  animation-delay: 12s;
  animation-duration: 20s;
}

.electric {
  width: clamp(130px, 14vw, 230px);
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(89, 211, 255, 0.85), transparent);
  box-shadow:
    0 0 10px rgba(31, 215, 255, 0.42),
    24px 10px 0 -0.5px rgba(110, 140, 255, 0.18),
    -18px -8px 0 -0.5px rgba(31, 215, 255, 0.16);
  opacity: 0;
  transform: rotate(-18deg);
  animation: electricFlicker 8s steps(1, end) infinite;
}

.electric-one {
  top: 22%;
  right: 13%;
  animation-delay: 1.8s;
}

.electric-two {
  bottom: 18%;
  left: 9%;
  width: clamp(90px, 10vw, 170px);
  transform: rotate(14deg);
  animation-delay: 5.4s;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-shell {
  position: relative;
  z-index: 1;
  width: min(1440px, 100%);
  margin: 0 auto;
  overflow: hidden;
  padding-top: 78px;
  background: linear-gradient(180deg, rgba(5, 11, 20, 0.06), rgba(5, 11, 20, 0.92) 56%, #050b14 100%);
}

.section-pad {
  padding: 110px clamp(20px, 5vw, 72px);
}

.nav {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1440px, 100%);
  min-height: 78px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(126, 169, 255, 0.12);
  background: rgba(5, 11, 20, 0.72);
  backdrop-filter: blur(20px);
  transform: translate3d(-50%, 0, 0);
  transition:
    transform 260ms ease,
    background 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.nav.nav-hidden {
  transform: translate3d(-50%, -110%, 0);
}

.nav.nav-scrolled {
  border-bottom-color: rgba(126, 169, 255, 0.22);
  background: rgba(5, 11, 20, 0.88);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: url("assets/brand/sysdiag-app-mark.png") center / contain no-repeat;
  filter: drop-shadow(0 0 18px rgba(31, 215, 255, 0.42));
}

.brand strong,
.brand small {
  display: block;
  line-height: 1;
}

.brand strong {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.brand-name {
  color: #f7fbff;
}

.brand-name span {
  color: var(--cyan);
  text-shadow:
    0 0 18px rgba(31, 215, 255, 0.46),
    0 0 34px rgba(110, 140, 255, 0.22);
}

.text-cyan,
.text-blue,
.text-green,
.text-warm {
  font-style: normal;
}

.text-cyan {
  color: var(--cyan);
  text-shadow: 0 0 24px rgba(31, 215, 255, 0.32);
}

.text-blue {
  color: #8fa8ff;
  text-shadow: 0 0 24px rgba(110, 140, 255, 0.34);
}

.text-green {
  color: var(--green);
  text-shadow: 0 0 22px rgba(53, 231, 173, 0.28);
}

.text-warm {
  color: var(--orange);
  text-shadow: 0 0 22px rgba(255, 184, 77, 0.24);
}

.text-gradient {
  background: linear-gradient(135deg, #eff8ff, var(--cyan) 42%, #8fa8ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
}

.page-transition {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: clamp(22px, 5vw, 72px);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 64% 46%, rgba(31, 215, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 34% 42%, rgba(110, 140, 255, 0.22), transparent 32rem),
    rgba(3, 7, 14, 0.88);
  backdrop-filter: blur(20px);
  transition:
    opacity 360ms ease,
    visibility 360ms ease;
}

.is-page-leaving {
  overflow: hidden;
}

.is-page-leaving .page-transition {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.page-transition-card {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.55fr);
  align-items: center;
  width: min(780px, 100%);
  min-height: 320px;
  overflow: hidden;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid rgba(119, 161, 255, 0.36);
  border-radius: 32px;
  background:
    radial-gradient(circle at 18% 0%, rgba(31, 215, 255, 0.16), transparent 34%),
    linear-gradient(145deg, rgba(18, 38, 66, 0.94), rgba(8, 18, 33, 0.9));
  box-shadow:
    0 34px 120px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  animation: pageTransitionCard 760ms cubic-bezier(0.2, 0.82, 0.2, 1) both;
}

.page-transition-card::before {
  content: "";
  position: absolute;
  inset: -30% -20%;
  z-index: -1;
  background:
    linear-gradient(115deg, transparent 0 44%, rgba(31, 215, 255, 0.2) 45%, transparent 47% 100%),
    linear-gradient(128deg, transparent 0 63%, rgba(110, 140, 255, 0.16) 64%, transparent 66% 100%);
  opacity: 0.8;
  animation: pageTransitionSweep 2.2s ease-in-out infinite;
}

.page-transition-copy {
  display: grid;
  justify-items: start;
}

.page-transition-mark {
  width: 58px;
  height: 58px;
  margin-bottom: 20px;
  border-radius: 18px;
  animation: pageTransitionGlow 2s ease-in-out infinite;
}

.page-transition-brand {
  font-size: clamp(2.5rem, 7vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.page-transition-copy p:last-child {
  margin: 18px 0 0;
  color: var(--soft);
}

.page-transition-elara {
  align-self: end;
  justify-self: end;
  width: min(240px, 30vw);
  max-height: 330px;
  object-fit: contain;
  filter:
    drop-shadow(0 28px 48px rgba(0, 0, 0, 0.52))
    drop-shadow(0 0 24px rgba(31, 215, 255, 0.2));
  animation: pageTransitionElara 2.2s ease-in-out infinite;
}

.brand small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--soft);
  font-size: 0.95rem;
  transition:
    color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(108, 143, 255, 0.13);
  transform: translateY(-1px);
}

.nav-links a[aria-current="page"] {
  color: var(--text);
  background: rgba(108, 143, 255, 0.16);
}

.nav-links .nav-cta {
  color: #061120;
  background: linear-gradient(135deg, #c7f4ff, #6e8cff);
  box-shadow: 0 14px 32px rgba(85, 137, 255, 0.28);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(17, 31, 52, 0.7);
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 99px;
  background: currentColor;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: center;
  gap: clamp(34px, 5vw, 72px);
  padding-top: 86px;
  min-height: calc(100vh - 78px);
}

.hero-copy {
  position: relative;
  padding: clamp(28px, 4vw, 50px);
  border: 1px solid rgba(119, 161, 255, 0.24);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 12% 0, rgba(31, 215, 255, 0.12), transparent 34%),
    linear-gradient(145deg, rgba(19, 38, 66, 0.78), rgba(10, 22, 39, 0.7));
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: auto 10% 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139, 213, 255, 0.72), transparent);
  opacity: 0.55;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 5.7vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.3vw, 4rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-lead,
.section-heading p,
.assistant-copy p,
.product-strip p,
.cta p {
  color: var(--soft);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  line-height: 1.7;
}

.hero-copy h1 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(2.7rem, 5.3vw, 5rem);
  text-wrap: balance;
}

.hero-copy .hero-lead {
  max-width: 680px;
  margin-bottom: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  font-weight: 800;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #061120;
  background: linear-gradient(135deg, #c8f7ff, #38cbff 38%, #6e8cff);
  box-shadow: 0 22px 50px rgba(44, 167, 255, 0.28);
}

.button.ghost {
  background: rgba(17, 31, 52, 0.7);
  color: var(--text);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  padding: 9px 12px;
  border: 1px solid rgba(119, 161, 255, 0.22);
  border-radius: 999px;
  background: rgba(17, 31, 52, 0.48);
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-card {
  position: relative;
  isolation: isolate;
  padding: 10px;
  border: 1px solid rgba(31, 215, 255, 0.38);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(31, 215, 255, 0.12), rgba(110, 140, 255, 0.08)),
    rgba(7, 21, 38, 0.82);
  box-shadow: var(--shadow);
}

.hero-card img,
.screenshot-frame img,
.product-strip img {
  border-radius: calc(var(--radius) - 10px);
}

.hero-glow {
  position: absolute;
  inset: 16% 12% auto auto;
  z-index: -1;
  width: 40%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(31, 215, 255, 0.42);
  filter: blur(80px);
}

.status-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0 clamp(20px, 5vw, 72px);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(8, 18, 32, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.status-band div {
  padding: 20px;
  border-radius: 18px;
  background: rgba(17, 31, 52, 0.64);
}

.status-band strong {
  display: block;
  margin-bottom: 7px;
}

.status-band p,
.feature-card p,
.step p,
.faq p,
.footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.signal {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
}

.signal.warning {
  background: var(--orange);
  box-shadow: 0 0 18px var(--orange);
}

.signal.cyan {
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}

.split,
.screenshots,
.workflow,
.faq {
  display: grid;
  gap: 38px;
}

.section-heading {
  width: min(820px, 100%);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card,
.step,
.faq details,
.product-strip,
.cta,
.download-card,
.requirement-card,
.support-card,
.support-panel,
.support-note,
.feedback-form,
.feedback-card,
.legal-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(31, 215, 255, 0.06), transparent 44%),
    var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.feature-card {
  min-height: 240px;
  padding: 26px;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  color: var(--cyan);
  background: rgba(17, 31, 52, 0.72);
  font-weight: 900;
}

.showcase {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 12px;
  overflow-x: auto;
  border-bottom: 1px solid rgba(119, 161, 255, 0.16);
}

.tab {
  border: 0;
  border-radius: 14px;
  padding: 12px 16px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.tab.active {
  color: var(--text);
  background: linear-gradient(135deg, rgba(31, 215, 255, 0.18), rgba(110, 140, 255, 0.18));
}

.screenshot-frame {
  padding: clamp(12px, 2vw, 24px);
}

.screenshot-frame img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  object-position: top center;
  border: 1px solid rgba(119, 161, 255, 0.22);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

.assistant-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.62fr);
  align-items: center;
  gap: 30px;
}

.assistant-copy {
  padding: clamp(28px, 4vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 31, 52, 0.68);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--soft);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px rgba(53, 231, 173, 0.65);
}

.assistant-art {
  position: relative;
  display: flex;
  justify-content: center;
  min-height: 520px;
  border: 1px solid rgba(119, 161, 255, 0.18);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 62%, rgba(31, 215, 255, 0.12), transparent 58%),
    rgba(17, 31, 52, 0.2);
  box-shadow:
    inset 0 0 0 1px rgba(119, 161, 255, 0.06),
    0 0 44px rgba(31, 215, 255, 0.04);
  animation: assistantFrameGlow 7.2s ease-in-out infinite;
}

.assistant-art::before {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(31, 215, 255, 0.18), rgba(110, 140, 255, 0.08) 38%, transparent 68%);
  filter: blur(16px);
  opacity: 0.6;
  animation: assistantHalo 5.8s ease-in-out infinite;
}

.assistant-art img {
  position: relative;
  z-index: 1;
  width: min(390px, 92%);
  object-fit: contain;
  filter:
    drop-shadow(0 30px 50px rgba(0, 0, 0, 0.45))
    drop-shadow(0 0 18px rgba(31, 215, 255, 0.16));
  animation: assistantGlow 5.8s ease-in-out infinite;
}

.can-animate .assistant-art.reveal:not(.in-view) {
  opacity: 0;
  transform: none;
  filter:
    blur(10px)
    brightness(0.78)
    drop-shadow(0 0 0 rgba(31, 215, 255, 0));
}

.can-animate .assistant-art.reveal.in-view,
.assistant-art.reveal.in-view {
  opacity: 1;
  transform: none;
  filter:
    brightness(1)
    drop-shadow(0 0 26px rgba(31, 215, 255, 0.16));
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step {
  padding: 26px;
}

.step span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 44px;
  border-radius: 50%;
  color: #061120;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  font-weight: 900;
}

.product-strip {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
  padding: clamp(24px, 4vw, 42px);
}

.product-strip img {
  width: 100%;
  border: 1px solid rgba(119, 161, 255, 0.2);
}

.download-section {
  display: grid;
  gap: 38px;
}

.feedback-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  gap: 18px;
  align-items: start;
}

.feedback-form,
.feedback-card {
  padding: clamp(26px, 4vw, 42px);
}

.feedback-card {
  position: relative;
  overflow: hidden;
}

.feedback-form {
  display: grid;
  gap: 18px;
  background:
    radial-gradient(circle at 14% 0%, rgba(31, 215, 255, 0.14), transparent 22rem),
    var(--panel-strong);
}

.feedback-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.feedback-elara-card {
  min-height: auto;
  background:
    radial-gradient(circle at 78% 8%, rgba(31, 215, 255, 0.16), transparent 16rem),
    linear-gradient(145deg, rgba(31, 215, 255, 0.08), transparent 44%),
    var(--panel);
}

.feedback-elara-card::after {
  content: none;
}

.feedback-card-copy {
  position: relative;
  z-index: 1;
  max-width: none;
}

.feedback-card-copy h2 {
  font-size: clamp(2rem, 3.1vw, 3.2rem);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field,
.check-field {
  display: grid;
  gap: 9px;
}

.field span,
.check-field span {
  color: var(--soft);
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid rgba(119, 161, 255, 0.28);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(5, 11, 20, 0.62);
  color: var(--text);
  font: inherit;
  outline: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.field textarea {
  resize: vertical;
  min-height: 180px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(31, 215, 255, 0.72);
  background: rgba(7, 18, 34, 0.82);
  box-shadow: 0 0 0 4px rgba(31, 215, 255, 0.1);
}

.check-field {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  padding: 14px 16px;
  border: 1px solid rgba(119, 161, 255, 0.2);
  border-radius: 16px;
  background: rgba(7, 18, 34, 0.44);
}

.check-field input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--cyan);
}

.feedback-status {
  min-height: 1.6em;
  margin: 0;
  color: var(--soft);
  line-height: 1.6;
}

.feedback-status.success {
  color: var(--green);
}

.feedback-status.warning {
  color: var(--orange);
}

.feedback-status.error {
  color: var(--danger);
}

.download-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 18px;
}

.download-card {
  padding: clamp(26px, 4vw, 42px);
}

.download-card .tiny-note {
  margin-top: 16px;
  color: var(--soft);
  font-size: 0.92rem;
}

.download-card .tiny-note a {
  color: var(--cyan);
  font-weight: 800;
}

.primary-download {
  background:
    radial-gradient(circle at 18% 0%, rgba(31, 215, 255, 0.22), transparent 22rem),
    linear-gradient(145deg, rgba(31, 215, 255, 0.09), rgba(110, 140, 255, 0.1)),
    var(--panel-strong);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 26px;
  padding: 0 12px;
  border: 1px solid rgba(31, 215, 255, 0.45);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(31, 215, 255, 0.1);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.badge.muted {
  color: var(--muted);
  border-color: rgba(119, 161, 255, 0.26);
  background: rgba(119, 161, 255, 0.08);
}

.mini-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 30px;
  padding: 0;
  list-style: none;
}

.mini-list li {
  color: var(--soft);
}

.mini-list li::before {
  content: "◇";
  margin-right: 8px;
  color: var(--cyan);
}

.requirements-section,
.support-grid,
.legal-layout {
  display: grid;
  gap: 22px;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.requirement-card,
.support-card,
.legal-card {
  padding: 26px;
}

.requirement-card strong {
  display: block;
  margin-bottom: 12px;
  color: var(--text);
  font-size: 1.1rem;
}

.requirement-card p,
.download-card p,
.support-card p,
.support-panel p,
.legal-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.page-hero {
  display: grid;
  min-height: 54vh;
  align-items: end;
}

.page-hero-copy {
  width: min(920px, 100%);
}

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

.support-card h2,
.legal-card h2 {
  font-size: clamp(1.5rem, 2vw, 2.1rem);
}

.support-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: center;
  margin-inline: clamp(20px, 5vw, 72px);
  padding: clamp(28px, 4vw, 54px);
}

.support-note {
  padding: clamp(22px, 3vw, 34px);
  background:
    linear-gradient(145deg, rgba(110, 140, 255, 0.1), transparent 46%),
    rgba(17, 31, 52, 0.76);
}

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

.warning-card {
  border-color: rgba(255, 184, 77, 0.42);
  background:
    linear-gradient(145deg, rgba(255, 184, 77, 0.08), transparent 44%),
    var(--panel);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: start;
  gap: 16px;
}

.faq details {
  align-self: start;
  padding: 24px 26px;
}

.faq summary {
  color: var(--text);
  font-weight: 900;
  cursor: pointer;
}

.faq p {
  margin-top: 14px;
}

.cta {
  margin: 0 clamp(20px, 5vw, 72px) 80px;
  padding: clamp(34px, 6vw, 72px);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(31, 215, 255, 0.22), transparent 28rem),
    var(--panel-strong);
}

.cta .hero-actions {
  justify-content: center;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px clamp(20px, 5vw, 72px) 46px;
  border-top: 1px solid rgba(119, 161, 255, 0.16);
  color: var(--muted);
}

.footer strong {
  color: var(--text);
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a {
  color: var(--soft);
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 700ms ease,
    transform 700ms ease,
    filter 700ms ease;
  transition-delay: calc(var(--reveal-order, 0) * 70ms);
}

.can-animate .reveal:not(.in-view) {
  opacity: 0;
  transform: translate3d(0, 24px, 0) scale(0.985);
  filter: blur(6px);
}

.can-animate .reveal.in-view,
.reveal.in-view {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: blur(0);
}

.delay-1 {
  transition-delay: 120ms;
}

@media (max-width: 1050px) {
  .hero,
  .assistant-section,
  .product-strip {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 62px;
    min-height: auto;
  }

  .hero-card {
    order: -1;
  }

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

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

  .download-grid,
  .feedback-layout,
  .support-panel {
    grid-template-columns: 1fr;
  }

  .status-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  body {
    background:
      linear-gradient(180deg, rgba(3, 7, 14, 0.82), rgba(3, 7, 14, 0.92)),
      url("assets/brand/sysdiag-background-style.png") top right 32% / auto 720px no-repeat,
      linear-gradient(135deg, #03070e 0%, #071321 45%, #020814 100%);
  }

  .nav-toggle {
    display: inline-block;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-copy {
    padding: 28px 22px;
  }

  .hero-copy h1 {
    font-size: clamp(2.35rem, 13vw, 3.45rem);
    line-height: 1;
  }

  .nav-links {
    position: fixed;
    inset: 78px 14px auto 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(7, 15, 28, 0.96);
    box-shadow: var(--shadow);
  }

  .nav.open .nav-links {
    display: flex;
  }

  .nav-links a {
    border-radius: 14px;
  }

  .section-pad {
    padding: 76px 20px;
  }

  h1 {
    font-size: clamp(2.5rem, 15vw, 4.1rem);
  }

  .feature-grid,
  .timeline,
  .faq-grid,
  .field-grid,
  .requirements-grid,
  .support-grid,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .feedback-card-copy {
    max-width: 100%;
  }

  .screenshot-frame img {
    min-height: 280px;
  }

  .assistant-art {
    min-height: 440px;
  }

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

@media (max-width: 680px) {
  .page-transition-card {
    grid-template-columns: 1fr;
    min-height: 300px;
  }

  .page-transition-elara {
    position: absolute;
    right: -10px;
    bottom: -18px;
    width: min(190px, 48vw);
    opacity: 0.72;
  }

  .page-transition-copy {
    max-width: 78%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .meteor,
  .electric,
  .assistant-art img {
    animation: none !important;
  }

  .assistant-art::before {
    animation: none !important;
  }
}

@keyframes pageTransitionCard {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pageTransitionSweep {
  0%,
  100% {
    transform: translateX(-2%);
    opacity: 0.56;
  }

  50% {
    transform: translateX(2%);
    opacity: 0.9;
  }
}

@keyframes pageTransitionGlow {
  0%,
  100% {
    filter: drop-shadow(0 0 16px rgba(31, 215, 255, 0.42));
  }

  50% {
    filter: drop-shadow(0 0 34px rgba(31, 215, 255, 0.72));
  }
}

@keyframes pageTransitionElara {
  0%,
  100% {
    filter:
      drop-shadow(0 28px 48px rgba(0, 0, 0, 0.52))
      drop-shadow(0 0 18px rgba(31, 215, 255, 0.16));
  }

  50% {
    filter:
      drop-shadow(0 28px 48px rgba(0, 0, 0, 0.52))
      drop-shadow(0 0 34px rgba(31, 215, 255, 0.32));
  }
}

@keyframes meteorRain {
  0% {
    opacity: 0;
    transform: translate3d(var(--start-x), var(--start-y), 0) rotate(24deg);
  }

  5% {
    opacity: 0;
  }

  11% {
    opacity: 0.42;
  }

  23% {
    opacity: 0;
    transform: translate3d(var(--end-x), var(--end-y), 0) rotate(24deg);
  }

  100% {
    opacity: 0;
    transform: translate3d(var(--end-x), var(--end-y), 0) rotate(24deg);
  }
}

@keyframes electricFlicker {
  0%,
  68%,
  76%,
  100% {
    opacity: 0;
  }

  69%,
  72% {
    opacity: 0.2;
  }

  70% {
    opacity: 0.55;
  }

  74% {
    opacity: 0.32;
  }
}

@keyframes assistantGlow {
  0%,
  100% {
    filter:
      drop-shadow(0 30px 50px rgba(0, 0, 0, 0.45))
      drop-shadow(0 0 18px rgba(31, 215, 255, 0.16));
  }

  50% {
    filter:
      drop-shadow(0 30px 50px rgba(0, 0, 0, 0.45))
      drop-shadow(0 0 38px rgba(31, 215, 255, 0.3));
  }
}

@keyframes assistantHalo {
  0%,
  100% {
    opacity: 0.38;
  }

  50% {
    opacity: 0.72;
  }
}

@keyframes assistantFrameGlow {
  0%,
  100% {
    box-shadow:
      inset 0 0 0 1px rgba(119, 161, 255, 0.06),
      0 0 42px rgba(31, 215, 255, 0.04);
  }

  50% {
    box-shadow:
      inset 0 0 0 1px rgba(119, 161, 255, 0.12),
      0 0 74px rgba(31, 215, 255, 0.13);
  }
}