:root {
  color-scheme: dark;
  --black: #030509;
  --base: #060a11;
  --navy: #08111d;
  --panel: #0b1320;
  --panel-2: #0e1928;
  --line: rgba(219, 229, 242, 0.13);
  --line-strong: rgba(219, 229, 242, 0.24);
  --text: #f7faff;
  --muted: #96a4b5;
  --muted-2: #c4ceda;
  --accent: #21d4ff;
  --accent-2: #2e7dff;
  --radius: 8px;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.5);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 78% 0%, rgba(33, 212, 255, 0.16), transparent 31rem),
    linear-gradient(180deg, #08111d 0%, var(--black) 52%, #05070c 100%);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 68%);
}

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

p,
h1,
h2,
h3 {
  overflow-wrap: normal;
  word-break: normal;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 68px);
  border-bottom: 1px solid var(--line);
  background: rgba(3, 5, 9, 0.84);
  backdrop-filter: blur(18px);
}

.brand,
.hero-actions,
.tag-row,
.site-footer,
.site-footer div {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(33, 212, 255, 0.7);
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(33, 212, 255, 0.22), rgba(46, 125, 255, 0.04));
  color: var(--text);
  font-family: "Inter Tight", var(--font-fallback, sans-serif);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-text {
  display: grid;
  gap: 1px;
}

.brand-text strong {
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
}

.header-cta,
.button {
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.header-cta:hover {
  color: var(--text);
}

.header-cta {
  justify-self: end;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted-2);
  font-size: 0.88rem;
  font-weight: 800;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(380px, 0.78fr);
  gap: clamp(44px, 6vw, 96px);
  align-items: center;
  min-height: calc(100vh - 67px);
  padding: clamp(58px, 7.5vw, 102px) clamp(18px, 5vw, 68px) clamp(50px, 7vw, 86px);
}

.hero-copy {
  max-width: 780px;
}

.eyebrow,
.section-label {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 18px;
}

h1,
h2 {
  margin-bottom: 0;
  font-family: "Inter Tight", Inter, ui-sans-serif, system-ui, sans-serif;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 0.94;
  text-wrap: balance;
}

h1 {
  max-width: 760px;
  font-size: clamp(3.2rem, 6.6vw, 6.7rem);
}

h2 {
  max-width: 920px;
  font-size: clamp(2.35rem, 4.7vw, 5.2rem);
}

h3 {
  margin-bottom: 0;
  font-family: "Inter Tight", Inter, sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.05;
}

.hero-text {
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--muted-2);
  font-size: clamp(1.06rem, 1.58vw, 1.3rem);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.1;
}

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

.button.primary {
  border-color: rgba(33, 212, 255, 0.5);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #020409;
  box-shadow: 0 16px 40px rgba(33, 153, 255, 0.22);
}

.button.primary:hover {
  border-color: rgba(255, 255, 255, 0.48);
}

.button.secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
}

.button.secondary:hover {
  border-color: rgba(33, 212, 255, 0.58);
}

.hero-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.tag-row {
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
}

.tag-row span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.032);
  color: var(--muted-2);
  font-size: 0.82rem;
  font-weight: 700;
}

.control-card {
  position: relative;
  min-width: 0;
  max-width: 520px;
  justify-self: end;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02)),
    var(--panel);
  box-shadow: var(--shadow);
}

.control-card::before {
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  content: "";
  background: linear-gradient(135deg, rgba(33, 212, 255, 0.64), transparent 38%, rgba(46, 125, 255, 0.34));
}

.control-header,
.control-grid,
.steps article,
.problem-cards article,
.system-grid article,
.preview-panel,
.managed-row div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.control-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  background: rgba(3, 5, 9, 0.5);
  color: var(--muted-2);
  font-size: 0.86rem;
  font-weight: 700;
}

.control-header strong {
  color: var(--accent);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 14px;
  overflow: hidden;
  background: var(--line);
}

.control-grid div {
  min-width: 0;
  padding: 16px 14px;
  background: #0a121e;
}

small {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

b {
  display: block;
  margin-top: 5px;
  color: var(--text);
  font-size: 0.88rem;
}

.control-line {
  display: grid;
  grid-template-columns: 1fr 0.58fr 0.82fr;
  gap: 8px;
  margin: 22px 0;
}

.control-line span {
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), rgba(33, 212, 255, 0.08));
}

.section {
  padding: clamp(76px, 10vw, 142px) clamp(18px, 5vw, 68px);
}

.section-label {
  margin-bottom: 22px;
}

.steps,
.problem-cards,
.system-grid,
.managed-row {
  display: grid;
  gap: 14px;
}

.steps {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 40px;
}

.steps article {
  min-height: 230px;
  padding: clamp(22px, 3vw, 32px);
  background: rgba(255, 255, 255, 0.035);
}

.steps span {
  display: block;
  margin-bottom: 58px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
}

.steps p {
  margin: 0;
  color: var(--muted-2);
  font-family: "Inter Tight", Inter, sans-serif;
  font-size: clamp(1.28rem, 2vw, 1.72rem);
  font-weight: 700;
  line-height: 1.08;
}

.split,
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.78fr);
  gap: clamp(30px, 6vw, 96px);
  align-items: start;
}

.section-copy {
  color: var(--muted-2);
  font-size: clamp(1.04rem, 1.45vw, 1.22rem);
}

.section-copy p {
  margin-bottom: 0;
}

.section-copy p + p {
  margin-top: 22px;
}

.problem-cards {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 44px;
}

.problem-cards article,
.system-grid article,
.managed-row div {
  background: rgba(255, 255, 255, 0.035);
}

.problem-cards article {
  min-height: 212px;
  padding: clamp(22px, 3vw, 32px);
}

.problem-cards p,
.system-grid p,
.section-heading p,
.preview-panel p,
.final-cta p,
.managed-row span {
  color: var(--muted);
}

.problem-cards p,
.system-grid p {
  margin: 18px 0 0;
}

.system {
  padding-top: 42px;
}

.section-heading {
  align-items: end;
}

.section-heading p {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.system-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 42px;
}

.system-grid article {
  min-height: 245px;
  padding: clamp(22px, 3vw, 32px);
}

.system-grid span {
  display: block;
  margin-bottom: 52px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.preview {
  padding-top: 24px;
}

.preview-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.56fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
  padding: clamp(28px, 5vw, 58px);
  background:
    linear-gradient(135deg, rgba(33, 212, 255, 0.1), transparent 44%),
    rgba(255, 255, 255, 0.04);
}

.preview-panel p {
  max-width: 660px;
  margin: 24px 0 0;
  font-size: 1.08rem;
}

.preview-checks {
  display: grid;
  gap: 10px;
}

.preview-checks span {
  padding: 15px 16px;
  border-left: 2px solid var(--accent);
  background: rgba(3, 5, 9, 0.44);
  color: var(--muted-2);
  font-size: 0.9rem;
  font-weight: 800;
}

.managed {
  padding-top: 40px;
}

.managed-row {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 42px;
}

.managed-row div {
  min-height: 176px;
  padding: clamp(22px, 3vw, 32px);
}

.managed-row strong {
  display: block;
  margin-bottom: 28px;
  font-family: "Inter Tight", Inter, sans-serif;
  font-size: clamp(1.45rem, 2.25vw, 2rem);
  line-height: 1;
}

.managed-row span {
  display: block;
}

.final-cta {
  display: grid;
  gap: clamp(24px, 5vw, 76px);
  margin: 0 clamp(18px, 5vw, 68px);
  border-radius: var(--radius);
}

.final-cta p {
  max-width: 660px;
  margin: 22px 0 0;
  font-size: 1.05rem;
}

.final-cta {
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.58fr);
  align-items: start;
  margin-top: clamp(28px, 6vw, 84px);
  margin-bottom: 32px;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid var(--line-strong);
  background: #070c13;
}

.demo-form {
  display: grid;
  gap: 14px;
}

.demo-form label {
  display: grid;
  gap: 7px;
}

.demo-form span {
  color: var(--muted-2);
  font-size: 0.82rem;
  font-weight: 800;
}

input,
select {
  width: 100%;
  min-height: 50px;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #0b1420;
  color: var(--text);
  font: inherit;
}

input::placeholder {
  color: #667589;
}

input:focus,
select:focus {
  border-color: rgba(33, 212, 255, 0.82);
  outline: 3px solid rgba(33, 212, 255, 0.14);
}

.form-button {
  width: 100%;
  margin-top: 6px;
  cursor: pointer;
  font: inherit;
}

.form-status {
  min-height: 20px;
  margin: 0;
  color: var(--muted-2);
  font-size: 0.86rem;
}

.site-footer {
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(18px, 5vw, 68px) 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer div {
  align-items: flex-start;
  flex-direction: column;
  gap: 1px;
}

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

.site-footer span {
  font-size: 0.76rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1120px) {
  .hero,
  .split,
  .section-heading,
  .preview-panel,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .control-card {
    max-width: 760px;
    justify-self: start;
  }

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

@media (max-width: 780px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand-text small {
    font-size: 0.62rem;
  }

  .header-cta {
    padding: 8px 10px;
    font-size: 0.82rem;
  }

  .hero {
    gap: 30px;
    padding: 42px 16px 56px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.55rem, 12vw, 3.8rem);
    line-height: 0.98;
  }

  h2 {
    font-size: clamp(2.05rem, 9.6vw, 3.35rem);
    line-height: 0.98;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .control-card {
    width: 100%;
    padding: 16px;
  }

  .steps,
  .problem-cards,
  .system-grid,
  .managed-row {
    grid-template-columns: 1fr;
  }

  .steps article,
  .problem-cards article,
  .system-grid article,
  .managed-row div {
    min-height: auto;
  }

  .steps span,
  .system-grid span {
    margin-bottom: 36px;
  }

  .section {
    padding: 72px 16px;
  }

  .system,
  .preview,
  .managed {
    padding-top: 26px;
  }

  .preview-panel,
  .final-cta {
    margin-right: 16px;
    margin-left: 16px;
    padding: 24px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding-right: 16px;
    padding-left: 16px;
  }
}
