:root {
  --bg: #020202;
  --panel: rgba(10, 12, 16, 0.88);
  --panel-strong: rgba(0, 0, 0, 0.92);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(0, 138, 255, 0.5);
  --text: #f5f7fa;
  --muted: rgba(245, 247, 250, 0.72);
  --faint: rgba(245, 247, 250, 0.52);
  --blue: #008aff;
  --blue-soft: rgba(0, 138, 255, 0.14);
  --blue-bright: #4db8ff;
  --ok: #67e8a5;
  --warn: #ff6b6b;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: "Roboto", Arial, sans-serif;
  line-height: 1.6;
}

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

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), #020202 66%),
    url("assets/crittora-background-blk-scaled.png") center top / cover no-repeat;
}

.site-bg::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 72% 20%, rgba(0, 138, 255, 0.22), transparent 24rem),
    linear-gradient(90deg, rgba(2, 2, 2, 0.96), rgba(2, 2, 2, 0.76) 52%, rgba(2, 2, 2, 0.92));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 128px;
  padding: 12px clamp(20px, 5vw, 64px);
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 104px;
  height: auto;
  display: block;
}

.nav {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav a {
  transition: color 180ms ease;
}

.nav a:hover {
  color: var(--blue-bright);
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.82fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
  min-height: calc(100vh - 128px);
  padding: 76px 0 84px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue-bright);
  font-family: "Roboto Condensed", "Roboto", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: "Roboto Condensed", "Roboto", sans-serif;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.96;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3.3rem, 7.8vw, 6.8rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 4.8vw, 4.9rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.lede {
  max-width: 760px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.38rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 0 34px rgba(0, 138, 255, 0.28);
}

.button-secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

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

.proof-row span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.5);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.terminal-panel,
.signup-form,
.feature-grid article,
.permission-flow {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 26px 90px rgba(0, 0, 0, 0.45);
}

.terminal-panel {
  overflow: hidden;
  border-radius: 8px;
}

.terminal-top {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-strong);
}

.terminal-top span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
}

.terminal-top p {
  margin: 0 0 0 8px;
  color: var(--faint);
  font-size: 0.78rem;
}

pre {
  margin: 0;
  padding: 24px;
  overflow-x: auto;
  color: #d7ecff;
  font-size: 0.9rem;
  line-height: 1.7;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.terminal-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  background: rgba(0, 138, 255, 0.08);
}

.terminal-result p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 18px rgba(103, 232, 165, 0.65);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.7fr);
  gap: clamp(26px, 5vw, 68px);
  align-items: end;
  padding: 86px 0 38px;
}

.split > p,
.demo-copy p,
.developer-copy p,
.signup-copy p {
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 24px 0 92px;
}

.feature-grid article {
  min-height: 220px;
  padding: 26px;
  border-radius: 8px;
}

.feature-grid p,
.api-steps div {
  color: var(--muted);
}

.feature-icon {
  display: block;
  margin-bottom: 42px;
  color: var(--blue-bright);
  font-family: "Roboto Condensed", "Roboto", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
}

.demo-band,
.developer-section,
.signup-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(360px, 1fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  padding: 92px 0;
  border-top: 1px solid var(--line);
}

.permission-flow {
  display: grid;
  grid-template-columns: 0.7fr 50px 1fr 50px 0.78fr;
  gap: 10px;
  align-items: center;
  min-height: 330px;
  padding: 24px;
  border-radius: 8px;
}

.actor,
.payload {
  display: grid;
  align-content: center;
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
}

.actor span,
.payload span {
  color: var(--faint);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.actor strong,
.payload strong {
  margin-top: 6px;
  line-height: 1.15;
  text-transform: uppercase;
}

.allowed {
  border-color: rgba(103, 232, 165, 0.38);
}

.denied {
  border-color: rgba(255, 107, 107, 0.45);
}

.payload {
  border-color: var(--line-strong);
  background: var(--blue-soft);
}

.flow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-bright), transparent);
}

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

.developer-section {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
}

.api-steps {
  display: grid;
  gap: 10px;
}

.api-steps div {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  text-transform: uppercase;
}

.api-steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 0.78rem;
  font-weight: 700;
}

.signup-section {
  padding-bottom: 110px;
}

.signup-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  border-radius: 8px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.68);
  font: inherit;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 138, 255, 0.16);
}

.form-note {
  margin: 0;
  color: var(--faint);
  font-size: 0.82rem;
}

.form-note.is-success {
  color: var(--ok);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--blue-bright);
}

@media (max-width: 900px) {
  .site-header {
    min-height: 82px;
    padding: 12px 20px;
  }

  .nav {
    gap: 12px;
    font-size: 0.75rem;
  }

  .brand img {
    width: 86px;
  }

  .hero,
  .split,
  .demo-band,
  .developer-section,
  .signup-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }

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

  .feature-grid article {
    min-height: 168px;
  }

  .permission-flow {
    grid-template-columns: 1fr;
  }

  .flow-line {
    width: 1px;
    height: 34px;
    margin: 0 auto;
    background: linear-gradient(180deg, transparent, var(--blue-bright), transparent);
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .section,
  .site-footer {
    width: min(var(--max), calc(100% - 28px));
  }

  h1 {
    font-size: 3.05rem;
  }

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

  pre {
    padding: 18px;
    font-size: 0.78rem;
  }

  .site-footer {
    flex-direction: column;
  }
}