@font-face {
  font-family: "Gloock";
  src: url("assets/fonts/Gloock-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Work Sans";
  src: url("assets/fonts/WorkSans-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Work Sans";
  src: url("assets/fonts/WorkSans-Bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("assets/fonts/GeistMono-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("assets/fonts/GeistMono-Bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ink-950: #07111f;
  --ink-900: #0a1322;
  --ink-800: #13233b;
  --ink-700: #20314b;
  --paper: #ebe6da;
  --paper-soft: rgba(235, 230, 218, 0.78);
  --text: #f5f1e9;
  --muted: #bec7d6;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.24);
  --amber: #d8aa62;
  --amber-soft: rgba(216, 170, 98, 0.16);
  --teal: #76b6bd;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.28);
  --max-width: 1200px;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Work Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(118, 182, 189, 0.18), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(216, 170, 98, 0.2), transparent 24%),
    linear-gradient(180deg, #091321 0%, #08111d 45%, #050d18 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 76%);
}

body::after {
  opacity: 0.18;
  background-image:
    radial-gradient(circle at 15% 24%, rgba(255, 255, 255, 0.85) 0 1px, transparent 1.5px),
    radial-gradient(circle at 68% 10%, rgba(255, 255, 255, 0.8) 0 1px, transparent 1.5px),
    radial-gradient(circle at 82% 36%, rgba(255, 255, 255, 0.85) 0 1px, transparent 1.5px),
    radial-gradient(circle at 28% 62%, rgba(255, 255, 255, 0.75) 0 1px, transparent 1.5px),
    radial-gradient(circle at 72% 75%, rgba(255, 255, 255, 0.75) 0 1px, transparent 1.5px);
}

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

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

button,
a,
summary,
details {
  transition: transform 180ms ease, opacity 180ms ease, border-color 180ms ease, background-color 180ms ease,
    color 180ms ease;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.8rem 1rem;
  background: var(--paper);
  color: var(--ink-950);
  border-radius: 999px;
}

.skip-link:focus {
  top: 1rem;
}

.page-shell {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 0.9rem;
}

.topbar.is-scrolled {
  backdrop-filter: blur(18px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  width: min(25rem, 100%);
  padding: 0.65rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(7, 17, 31, 0.58);
}

.brand-lockup img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem;
}

.site-nav a {
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(7, 17, 31, 0.54);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
  border-color: rgba(216, 170, 98, 0.42);
  background: rgba(216, 170, 98, 0.12);
}

.section {
  margin-top: 4.5rem;
}

.surface {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(17, 29, 48, 0.94), rgba(9, 18, 31, 0.96)),
    linear-gradient(120deg, rgba(255, 255, 255, 0.03), transparent 45%);
  box-shadow: var(--shadow);
}

.surface::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.03), transparent 38%, transparent 64%, rgba(118, 182, 189, 0.08));
}

.section-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 1.5rem;
  align-items: stretch;
  padding-top: 1rem;
}

.hero-copy {
  padding: clamp(1.8rem, 4vw, 3.2rem);
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: auto -5rem -5rem auto;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 170, 98, 0.24), transparent 70%);
}

.eyebrow,
.panel-tag,
.card-index,
.step-number,
.case-label {
  font-family: "Geist Mono", monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--amber);
  font-size: 0.78rem;
}

.panel-tag,
.card-index,
.step-number,
.case-label {
  color: var(--paper);
  font-size: 0.78rem;
}

h1,
h2,
h3,
summary {
  margin: 0;
  font-family: "Gloock", serif;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 9ch;
  font-size: clamp(3.7rem, 7vw, 6.1rem);
  line-height: 0.96;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.02;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  line-height: 1.14;
}

p,
dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
  font-size: 1rem;
}

.hero-dek {
  max-width: 59ch;
  margin-top: 1.25rem;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
}

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

.button-primary {
  background: var(--paper);
  color: var(--ink-950);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.signal-note {
  max-width: 58ch;
  margin-top: 1.3rem;
  padding: 0.95rem 1rem 0.95rem 1.2rem;
  border-left: 2px solid var(--amber);
  background: rgba(255, 255, 255, 0.04);
  color: var(--paper-soft);
}

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

.stat-card {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.stat-card dt {
  color: var(--paper);
  font-family: "Geist Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.stat-card dd {
  margin-top: 0.7rem;
  color: var(--text);
  font-size: 1rem;
}

.hero-panel {
  display: grid;
  gap: 1.4rem;
  padding: clamp(1.5rem, 3vw, 2.2rem);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel-tag {
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.signal-graphic {
  position: relative;
  aspect-ratio: 1;
  border-radius: calc(var(--radius-xl) - 4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at center, rgba(216, 170, 98, 0.12), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
}

.signal-graphic::before,
.signal-graphic::after {
  content: "";
  position: absolute;
  inset: 0.9rem;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.08);
}

.signal-graphic::after {
  inset: 1.9rem;
}

.signal-ring {
  position: absolute;
  inset: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.signal-ring-outer {
  width: 84%;
  height: 84%;
}

.signal-ring-middle {
  width: 62%;
  height: 62%;
}

.signal-ring-inner {
  width: 38%;
  height: 38%;
}

.signal-mark {
  position: absolute;
  inset: 20% 20%;
  width: 60%;
  height: 60%;
  object-fit: contain;
  filter: drop-shadow(0 18px 36px rgba(0, 0, 0, 0.35));
}

.signal-node {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 0 6px rgba(216, 170, 98, 0.16);
}

.signal-node-1 {
  top: 18%;
  left: 68%;
}

.signal-node-2 {
  bottom: 24%;
  left: 20%;
}

.signal-node-3 {
  right: 18%;
  bottom: 18%;
}

.panel-copy h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.panel-copy p {
  margin-top: 1rem;
}

.panel-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.panel-metrics li {
  padding: 0.95rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  color: var(--paper);
}

.section-heading {
  max-width: 68rem;
}

.section-heading p:last-child {
  max-width: 64ch;
  margin-top: 1rem;
}

.card-grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.8rem;
}

.card-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.value-card,
.use-case,
.workflow-step,
.guardrail-list,
.guardrail-note,
.faq-list details {
  padding: 1.4rem;
}

.value-card h3,
.use-case h3,
.workflow-step h3,
.guardrail-list h3,
.guardrail-note h3 {
  margin-top: 0.8rem;
}

.value-card p:last-child,
.use-case p:last-child,
.workflow-step p:last-child,
.guardrail-list article p,
.guardrail-note p:last-child {
  margin-top: 0.95rem;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.8rem;
}

.step-number,
.case-label {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.section-guardrails .guardrail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.2rem;
  margin-top: 1.8rem;
}

.guardrail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.guardrail-list article {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.faq-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.faq-list details {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
}

.faq-list details[open] {
  border-color: rgba(216, 170, 98, 0.24);
  background: rgba(216, 170, 98, 0.08);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  font-family: "Geist Mono", monospace;
  font-size: 1rem;
  color: var(--amber);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 64ch;
  margin-top: 0.9rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 4rem;
  padding: 1.4rem 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 450ms ease, transform 450ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .section-hero,
  .section-guardrails .guardrail-layout {
    grid-template-columns: 1fr;
  }

  .card-grid-3,
  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .page-shell {
    width: min(var(--max-width), calc(100% - 1rem));
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .brand-lockup {
    width: 100%;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .stat-grid,
  .card-grid-2,
  .card-grid-3,
  .workflow-grid,
  .guardrail-list,
  .panel-metrics {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(3rem, 13vw, 4.6rem);
  }

  .hero-copy,
  .hero-panel,
  .value-card,
  .use-case,
  .workflow-step,
  .guardrail-list,
  .guardrail-note,
  .faq-list details {
    padding: 1.2rem;
  }
}