:root {
  --bg: #050014;
  --bg-2: #09021f;
  --ink: #f4efff;
  --muted: #a99cc5;
  --muted-2: #74688f;
  --panel: rgba(18, 10, 42, 0.72);
  --panel-strong: rgba(26, 15, 58, 0.86);
  --line: rgba(180, 143, 255, 0.14);
  --line-strong: rgba(202, 169, 255, 0.24);
  --purple: #8b5cf6;
  --purple-2: #c084fc;
  --violet: #5b35d5;
  --pink: #f0abfc;
  --white: #ffffff;
  --shadow: 0 34px 100px rgba(13, 4, 38, 0.62);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 23rem, rgba(130, 82, 255, 0.24), transparent 28rem),
    radial-gradient(circle at 50% 48rem, rgba(168, 85, 247, 0.24), transparent 20rem),
    linear-gradient(180deg, var(--bg), var(--bg-2) 52rem, #070118);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(160, 126, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 126, 255, 0.05) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 72%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 38rem, rgba(250, 211, 255, 0.22), transparent 11rem),
    radial-gradient(circle at 50% 41rem, rgba(116, 64, 255, 0.52), transparent 18rem);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  width: min(1580px, calc(100% - 72px));
  min-height: 96px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(150, 116, 255, 0.08);
  background: rgba(5, 0, 20, 0.72);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  font-size: 20px;
  font-weight: 850;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  border: 1px solid rgba(230, 213, 255, 0.42);
  border-radius: 12px;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.92), transparent 10%),
    radial-gradient(circle at 50% 50%, rgba(216, 180, 254, 0.88), transparent 28%),
    linear-gradient(135deg, #3b1aaf, #8b5cf6);
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.58);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 9px;
  color: #ddd4ef;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 10, 42, 0.48);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.site-nav a {
  padding: 9px 16px;
  border-radius: 999px;
  color: rgba(244, 239, 255, 0.78);
  font-size: 16px;
  font-weight: 750;
}

.site-nav a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  color: var(--white);
  font-size: 16px;
  font-weight: 800;
}

.header-cta {
  padding: 12px 22px;
  border: 1px solid rgba(216, 180, 254, 0.52);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(128, 80, 230, 0.92), rgba(57, 31, 128, 0.96));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    0 0 26px rgba(139, 92, 246, 0.34);
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  width: min(1580px, calc(100% - 72px));
  min-height: 1050px;
  margin: 0 auto;
  padding: 170px 0 0;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 205px;
  width: 980px;
  height: 520px;
  border: 1px solid rgba(174, 139, 255, 0.08);
  border-radius: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 452px;
  width: min(820px, 72vw);
  height: 270px;
  border-radius: 50%;
  transform: translateX(-50%);
  background:
    radial-gradient(ellipse at center, rgba(255, 250, 255, 0.96) 0 10%, rgba(239, 197, 255, 0.95) 17%, rgba(139, 92, 246, 0.88) 33%, rgba(88, 42, 220, 0.56) 48%, transparent 70%);
  filter: blur(9px);
  opacity: 0.92;
  pointer-events: none;
}

.eyebrow {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 26px;
  padding: 8px 16px;
  color: #d8c9ff;
  border: 1px solid rgba(201, 163, 255, 0.34);
  border-radius: 999px;
  background: rgba(47, 24, 95, 0.58);
  box-shadow: 0 0 42px rgba(139, 92, 246, 0.18);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.eyebrow::before {
  content: "*";
  color: #f0d5ff;
  font-size: 20px;
  line-height: 1;
}

.hero h1 {
  position: relative;
  z-index: 2;
  max-width: 1160px;
  margin: 0 auto;
  color: #f8f4ff;
  font-size: clamp(64px, 7.6vw, 132px);
  line-height: 0.96;
  letter-spacing: 0;
  text-shadow: 0 0 50px rgba(183, 139, 255, 0.16);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 30px auto 0;
  color: rgba(225, 215, 240, 0.72);
  font-size: 24px;
  font-weight: 650;
  line-height: 1.45;
}

.hero-actions {
  position: relative;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--white);
  font-size: 16px;
  font-weight: 850;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button.primary {
  border-color: rgba(216, 180, 254, 0.52);
  background: linear-gradient(180deg, rgba(128, 80, 230, 0.94), rgba(58, 31, 132, 0.98));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 0 32px rgba(139, 92, 246, 0.32);
}

.button.secondary {
  color: #ddd4ef;
  border-color: var(--line);
  background: rgba(18, 10, 42, 0.6);
}

.product-preview {
  position: relative;
  z-index: 3;
  max-width: 1440px;
  margin: 370px auto 0;
  overflow: hidden;
  border: 1px solid rgba(178, 148, 255, 0.2);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(20, 11, 46, 0.82), rgba(7, 2, 22, 0.92));
  box-shadow:
    0 -18px 90px rgba(210, 160, 255, 0.46),
    0 34px 120px rgba(0, 0, 0, 0.66),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  text-align: left;
}

.product-preview::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -210px;
  width: 760px;
  height: 330px;
  border-radius: 50%;
  transform: translateX(-50%);
  background:
    radial-gradient(ellipse at center, rgba(255, 255, 255, 0.9), rgba(215, 139, 255, 0.72) 24%, rgba(117, 70, 255, 0.5) 44%, transparent 72%);
  filter: blur(14px);
  opacity: 0.86;
}

.preview-topbar {
  display: flex;
  gap: 8px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}

.preview-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(214, 194, 255, 0.26);
}

.preview-shell {
  display: grid;
  grid-template-columns: 330px 1fr;
  min-height: 560px;
}

.preview-sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 34px 28px;
  border-right: 1px solid var(--line);
  background: rgba(6, 2, 22, 0.48);
}

.preview-sidebar strong {
  margin-bottom: 22px;
  color: rgba(244, 239, 255, 0.9);
  font-size: 15px;
}

.preview-sidebar a {
  padding: 13px 14px;
  color: rgba(218, 207, 238, 0.48);
  border-radius: 12px;
  font-size: 16px;
  font-weight: 750;
}

.preview-sidebar a.is-active {
  color: #c8b5ff;
  background: rgba(119, 76, 232, 0.18);
}

.preview-main {
  padding: 42px;
}

.preview-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
}

.preview-heading span,
.timeline span {
  color: rgba(218, 207, 238, 0.48);
  font-size: 14px;
  font-weight: 750;
}

.preview-heading h2 {
  margin: 8px 0 0;
  color: #f4efff;
  font-size: clamp(40px, 5vw, 74px);
  line-height: 1;
}

.preview-heading strong {
  padding: 10px 15px;
  color: #d8c9ff;
  border: 1px solid rgba(201, 163, 255, 0.32);
  border-radius: 999px;
  background: rgba(47, 24, 95, 0.52);
}

.health-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 38px;
}

.health-grid article {
  min-height: 136px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(18, 10, 42, 0.68);
}

.dot {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 18px currentColor;
}

.dot.online {
  color: #a78bfa;
  background: #a78bfa;
}

.dot.secure {
  color: #d8b4fe;
  background: #d8b4fe;
}

.dot.sync {
  color: #f0abfc;
  background: #f0abfc;
}

.health-grid p {
  margin: 26px 0 8px;
  color: rgba(218, 207, 238, 0.54);
}

.health-grid strong {
  color: rgba(244, 239, 255, 0.9);
  font-size: 20px;
}

.timeline {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.timeline div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(9, 3, 28, 0.58);
}

.timeline p {
  margin: 0;
  color: rgba(244, 239, 255, 0.78);
  font-weight: 700;
}

.feature-strip,
.section,
.contact,
.site-footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.feature-strip div {
  min-height: 154px;
  padding: 26px;
  background: rgba(14, 7, 34, 0.82);
}

.feature-strip strong,
.feature-strip span {
  display: block;
}

.feature-strip strong {
  margin-bottom: 10px;
  color: #f4efff;
  font-size: 17px;
}

.feature-strip span {
  color: rgba(218, 207, 238, 0.62);
  line-height: 1.55;
}

.section {
  padding: 118px 0;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 1fr 0.9fr;
}

.section-copy h2,
.center h2,
.contact h2 {
  margin: 0;
  color: #f8f4ff;
  font-size: clamp(40px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

.section-copy p,
.center > p,
.contact-copy p {
  margin: 24px 0 0;
  color: rgba(218, 207, 238, 0.68);
  font-size: 18px;
  line-height: 1.75;
}

.stack-list {
  display: grid;
  gap: 14px;
}

.stack-list article {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(14, 7, 34, 0.82);
  box-shadow: 0 14px 46px rgba(0, 0, 0, 0.24);
}

.stack-list span {
  color: #c4a5ff;
  font-weight: 900;
}

.stack-list h3 {
  margin: 12px 0 8px;
  color: #f4efff;
  font-size: 23px;
}

.stack-list p {
  margin: 0;
  color: rgba(218, 207, 238, 0.64);
  line-height: 1.65;
}

.center {
  text-align: center;
}

.center > p {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.connection-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 22px;
  max-width: 900px;
  min-height: 360px;
  margin: 52px auto 0;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(rgba(168, 139, 250, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 139, 250, 0.08) 1px, transparent 1px),
    rgba(14, 7, 34, 0.84);
  background-size: 42px 42px;
  box-shadow: var(--shadow);
}

.node {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  min-height: 86px;
  padding: 14px;
  color: rgba(218, 207, 238, 0.72);
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: rgba(18, 10, 42, 0.9);
  font-weight: 850;
  text-align: center;
}

.node-main {
  grid-column: 3;
  grid-row: 2;
  color: var(--white);
  background: linear-gradient(180deg, rgba(128, 80, 230, 0.94), rgba(58, 31, 132, 0.98));
  box-shadow: 0 0 34px rgba(139, 92, 246, 0.32);
}

.line {
  position: absolute;
  z-index: 1;
  height: 2px;
  background: rgba(168, 139, 250, 0.34);
  transform-origin: left center;
}

.line-a {
  top: 50%;
  left: 20%;
  width: 60%;
}

.line-b {
  top: 35%;
  left: 28%;
  width: 44%;
  transform: rotate(24deg);
}

.line-c {
  top: 66%;
  left: 28%;
  width: 44%;
  transform: rotate(-24deg);
}

.line-d {
  top: 50%;
  left: 50%;
  width: 2px;
  height: 210px;
  transform: translateY(-50%);
}

.process-card {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(14, 7, 34, 0.82);
  box-shadow: var(--shadow);
}

.process-card div {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(18, 10, 42, 0.7);
}

.process-card span {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--white);
  border-radius: 50%;
  background: linear-gradient(180deg, #8b5cf6, #4c1d95);
  font-weight: 900;
}

.process-card p {
  margin: 0;
  color: rgba(244, 239, 255, 0.86);
  font-size: 18px;
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 56px;
  align-items: start;
  padding: 92px 0 118px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(14, 7, 34, 0.86);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  color: rgba(218, 207, 238, 0.68);
  font-size: 13px;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 13px 15px;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: rgba(7, 2, 22, 0.82);
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(139, 92, 246, 0.24);
  border-color: rgba(216, 180, 254, 0.62);
}

button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: #d8b4fe;
  font-size: 14px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
  color: rgba(218, 207, 238, 0.58);
}

.site-footer div {
  display: flex;
  gap: 22px;
  font-size: 14px;
  font-weight: 750;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1050px) {
  .site-header {
    grid-template-columns: 1fr auto;
    width: min(100% - 32px, 1580px);
  }

  .header-actions {
    display: none;
  }

  .hero {
    width: min(100% - 32px, 1580px);
    min-height: 940px;
    padding-top: 120px;
  }

  .preview-shell,
  .split,
  .split.reverse,
  .contact {
    grid-template-columns: 1fr;
  }

  .preview-sidebar {
    display: none;
  }

  .feature-strip,
  .health-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section {
    padding: 82px 0;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 76px;
  }

  .nav-toggle {
    display: grid;
    gap: 5px;
    place-content: center;
    width: 42px;
    height: 42px;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(18, 10, 42, 0.62);
  }

  .nav-toggle span {
    width: 18px;
    height: 2px;
    background: currentColor;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    padding: 16px;
    border-radius: 18px;
    background: rgba(18, 10, 42, 0.96);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
    gap: 10px;
  }

  .hero,
  .feature-strip,
  .section,
  .contact,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .hero {
    min-height: 880px;
    padding-top: 84px;
  }

  .hero h1 {
    font-size: 56px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .hero::after {
    top: 470px;
    width: 620px;
  }

  .product-preview {
    margin-top: 300px;
    border-radius: 18px;
  }

  .preview-main {
    padding: 22px;
  }

  .preview-heading {
    display: grid;
  }

  .health-grid,
  .feature-strip {
    grid-template-columns: 1fr;
  }

  .timeline div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .section-copy h2,
  .center h2,
  .contact h2 {
    font-size: 42px;
  }

  .connection-board {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 20px;
  }

  .node-main {
    grid-column: auto;
    grid-row: auto;
  }

  .line {
    display: none;
  }

  .site-footer {
    display: grid;
  }

  .site-footer div {
    flex-wrap: wrap;
  }
}