:root {
  color-scheme: dark;
  --bg-top: #101828;
  --bg-mid: #162132;
  --bg-bottom: #2c374c;
  --text-main: #f8fafc;
  --text-soft: #dbe4f0;
  --text-muted: #cbd5e1;
  --accent: #b91c1c;
  --accent-strong: #991b1b;
  --accent-soft: rgba(127, 29, 29, 0.22);
  --border-soft: rgba(255, 255, 255, 0.1);
  --panel-bg-top: rgba(15, 23, 42, 0.78);
  --panel-bg-bottom: rgba(15, 23, 42, 0.56);
  --shadow-panel: 0 28px 68px rgba(2, 6, 23, 0.26);
  --shadow-button: 0 16px 36px rgba(127, 29, 29, 0.28);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg-bottom);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(96, 165, 250, 0.12), transparent 30%),
    radial-gradient(circle at 84% 18%, rgba(148, 163, 184, 0.09), transparent 22%),
    radial-gradient(circle at 50% 110%, rgba(59, 130, 246, 0.07), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 48%, var(--bg-bottom) 100%);
  color: var(--text-main);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-position: center;
  background-size: 120px 120px;
  mask-image: radial-gradient(circle at center, black, transparent 84%);
  opacity: 0.18;
}

body::after {
  background:
    radial-gradient(circle at 20% 15%, rgba(96, 165, 250, 0.14), transparent 20%),
    radial-gradient(circle at 82% 65%, rgba(148, 163, 184, 0.12), transparent 24%);
  filter: blur(20px);
}

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

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

button,
a.button {
  cursor: pointer;
}

.section-shell {
  width: min(100% - 1.5rem, 82rem);
  margin: 0 auto;
}

.promo-page {
  position: relative;
  overflow: clip;
  isolation: isolate;
}

.promo-page::before,
.promo-page::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 9999px;
  filter: blur(72px);
  pointer-events: none;
}

.promo-page::before {
  top: 8rem;
  left: -8rem;
  width: 18rem;
  height: 18rem;
  background: rgba(96, 165, 250, 0.12);
}

.promo-page::after {
  top: 42rem;
  right: -10rem;
  width: 22rem;
  height: 22rem;
  background: rgba(148, 163, 184, 0.11);
}

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 40;
  padding: 0.75rem 0 0;
}

.header-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border-soft);
  border-radius: 1.5rem;
  background: rgba(2, 6, 23, 0.72);
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.18);
  backdrop-filter: blur(18px);
}

.header-bar::before {
  content: "";
  position: absolute;
  inset-inline: 2.5rem;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(203, 213, 225, 0.55), transparent);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-mark img {
  width: 2.625rem;
  height: 2.625rem;
  flex-shrink: 0;
}

.brand-mark span {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.header-nav {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
}

.header-nav a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  transition: color 200ms ease;
}

.header-nav a:hover {
  color: #f87171;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.9rem 1.45rem;
  border-radius: 9999px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition:
    transform 220ms ease,
    background-color 220ms ease,
    border-color 220ms ease,
    color 220ms ease,
    box-shadow 220ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent-strong);
  color: #ffffff;
  box-shadow: var(--shadow-button);
}

.button-primary:hover {
  background: var(--accent);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: #ffffff;
}

.button-secondary:hover {
  border-color: rgba(185, 28, 28, 0.55);
  color: #fecaca;
}

.header-cta {
  flex-shrink: 0;
}

.hero-section {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: 7.75rem 0 2rem;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.78) 0%, rgba(2, 6, 23, 0.68) 36%, rgba(2, 6, 23, 0.84) 100%),
    url("assets/hero-server-room.webp") center center / cover no-repeat;
}

.hero-shell {
  position: relative;
  z-index: 1;
}

.section-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: linear-gradient(180deg, var(--panel-bg-top), var(--panel-bg-bottom));
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(16px);
}

.section-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 24%),
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.1), transparent 28%),
    radial-gradient(circle at bottom left, rgba(148, 163, 184, 0.06), transparent 22%);
  pointer-events: none;
}

.section-panel::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: inherit;
  pointer-events: none;
}

.hero-panel {
  border-radius: 2rem;
  max-width: 47rem;
  padding: 2rem 1.5rem;
}

.hero-copy,
.section-block,
.detail-panel,
.final-panel,
.footer-panel {
  position: relative;
  z-index: 1;
}

.page-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1rem;
  border: 1px solid rgba(185, 28, 28, 0.7);
  border-radius: 9999px;
  background: var(--accent-soft);
  color: #fef2f2;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero-title,
.section-heading h2,
.detail-panel h2,
.final-panel h2 {
  margin: 1rem 0 0;
  font-size: clamp(2.9rem, 7vw, 6rem);
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.hero-focus {
  color: #ffffff;
}

.cursor {
  color: #f87171;
  animation: blink 1s steps(2, start) infinite;
}

.hero-lead,
.section-heading p,
.detail-panel p,
.final-panel p {
  max-width: 42rem;
  margin: 1.5rem 0 0;
  color: var(--text-soft);
  font-size: 1.08rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.hero-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.25rem;
}

.hero-rail div {
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-rail strong {
  display: block;
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 700;
}

.hero-rail span {
  display: block;
  margin-top: 0.35rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.home-section {
  padding: 0 0 4.75rem;
}

.section-block {
  border-radius: 2rem;
  padding: 2rem 1.5rem;
}

.section-heading {
  max-width: 46rem;
}

.section-heading h2,
.detail-panel h2,
.final-panel h2 {
  font-size: clamp(2.25rem, 5vw, 4.2rem);
  line-height: 1.02;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  padding: 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 18px 35px rgba(2, 6, 23, 0.16);
  transition:
    transform 260ms ease,
    border-color 260ms ease,
    box-shadow 260ms ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(185, 28, 28, 0.6);
  box-shadow: 0 24px 44px rgba(2, 6, 23, 0.22);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(203, 213, 225, 0.45), transparent);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border: 1px solid var(--accent);
  border-radius: 1.2rem;
  background: var(--accent-strong);
  box-shadow: 0 16px 34px rgba(127, 29, 29, 0.28);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.feature-card h3 {
  margin: 1.25rem 0 0;
  font-size: 1.25rem;
  line-height: 1.25;
}

.feature-card p {
  margin: 0.85rem 0 0;
  color: var(--text-soft);
  line-height: 1.8;
}

.split-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1.5rem;
}

.image-panel,
.detail-panel,
.final-panel,
.footer-panel {
  border-radius: 2rem;
}

.image-panel {
  min-height: 32rem;
}

.image-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 1.5rem;
}

.detail-list {
  display: grid;
  gap: 0.9rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-soft);
  line-height: 1.75;
}

.detail-list li::before {
  content: "";
  position: absolute;
  top: 0.7rem;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 9999px;
  background: #f87171;
  box-shadow: 0 0 0 0.3rem rgba(185, 28, 28, 0.12);
}

.detail-panel .button {
  align-self: flex-start;
  margin-top: 2rem;
}

.final-panel {
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.final-panel::before {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 24%),
    radial-gradient(circle at top center, rgba(185, 28, 28, 0.24), transparent 34%),
    radial-gradient(circle at bottom left, rgba(148, 163, 184, 0.06), transparent 22%);
}

.final-logo {
  width: 4.75rem;
  height: 4.75rem;
  margin: 0 auto 1.25rem;
}

.final-panel p,
.final-panel .hero-actions,
.redirect-line {
  justify-content: center;
  margin-inline: auto;
}

.site-footer {
  padding: 0 0 2rem;
}

.footer-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.footer-brand img {
  width: 3.25rem;
  height: 3.25rem;
  flex-shrink: 0;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand strong {
  font-size: 1rem;
}

.footer-brand span {
  margin-top: 0.2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem 1.25rem;
  color: var(--text-soft);
}

.footer-links a {
  transition: color 200ms ease;
}

.footer-links a:hover,
.footer-links a:hover {
  color: #ffffff;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

@media (max-width: 980px) {
  .header-nav {
    display: none;
  }

  .split-shell,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .image-panel {
    min-height: 22rem;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding-top: 0.65rem;
  }

  .header-bar {
    flex-wrap: wrap;
    padding: 0.9rem;
  }

  .header-cta {
    width: 100%;
  }

  .hero-section {
    min-height: auto;
    padding-top: 7rem;
  }

  .hero-panel,
  .section-block,
  .detail-panel,
  .final-panel {
    padding: 1.6rem 1.2rem;
  }

  .hero-rail {
    grid-template-columns: 1fr;
  }

  .footer-panel,
  .footer-links {
    justify-content: flex-start;
  }

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

@media (max-width: 560px) {
  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .redirect-line {
    border-radius: 1.5rem;
  }
}