:root {
  --void: #05080f;
  --hull: #0b1220;
  --panel: #121c2e;
  --edge: rgba(125, 211, 252, 0.18);
  --signal: #7dd3fc;
  --signal-dim: #3a8fb8;
  --brass: #d4a574;
  --brass-hot: #f0c89a;
  --ink: #e8eef7;
  --mute: #8b9bb0;
  --danger: #ff6b6b;
  --font-display: 'Oxanium', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --space: clamp(1rem, 2vw, 2rem);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 70% 10%, rgba(125, 211, 252, 0.08), transparent 55%),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(212, 165, 116, 0.06), transparent 50%),
    linear-gradient(180deg, #05080f 0%, #070d18 100%);
}

body > * {
  position: relative;
  z-index: 1;
}

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

a {
  color: var(--signal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--brass-hot);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--signal);
  color: var(--void);
  padding: 0.5rem 1rem;
  z-index: 100;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--space);
  max-width: calc(var(--max) + 4rem);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo {
  display: block;
  height: 1.55rem;
  width: auto;
}

.brand-mark {
  width: 0.85rem;
  height: 1.55rem;
  border: 1.5px solid var(--brass);
  border-right-width: 3px;
  box-shadow: inset 3px 0 0 var(--signal-dim);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 1rem;
}

/* Prefer SVG logo; keep CSS mark + name as fallback when logo omitted */
.brand:has(.brand-logo) .brand-mark,
.brand:has(.brand-logo) .brand-name {
  display: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
}

.site-header nav a {
  color: var(--mute);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--ink);
}

.nav-cta {
  color: var(--void) !important;
  background: var(--signal);
  padding: 0.45rem 0.9rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.8rem !important;
}

.nav-cta:hover {
  background: var(--brass-hot);
  color: var(--void) !important;
}

.hero {
  position: relative;
  min-height: min(100vh, 920px);
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-chamber {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(5, 8, 15, 0.92) 0%, rgba(5, 8, 15, 0.55) 42%, rgba(5, 8, 15, 0.25) 70%),
    linear-gradient(0deg, rgba(5, 8, 15, 0.9) 0%, transparent 38%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 12vh, 7rem) var(--space) clamp(3rem, 8vh, 5rem);
}

.brand-hero {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 11vw, 7.5rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  text-shadow: 0 0 40px rgba(125, 211, 252, 0.25);
  animation: brand-in 1.1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

#hero-title {
  margin: 0 0 1rem;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.4vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
  animation: rise 1s 0.15s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero-lede {
  margin: 0 0 1.75rem;
  max-width: 38rem;
  color: var(--mute);
  font-size: 1.12rem;
  animation: rise 1s 0.28s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
  animation: rise 1s 0.4s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mute);
  animation: rise 1s 0.52s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

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

.btn:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--signal), #4aa3c7);
  color: #041018;
  border-color: transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--brass-hot), var(--brass));
  color: #1a1208;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--edge);
}

.btn-ghost:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vh, 6rem) var(--space);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

.section h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.15;
  font-weight: 600;
}

.section-head p:last-child {
  margin: 0;
  color: var(--mute);
}

.flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge);
  border: 1px solid var(--edge);
}

.flow li {
  margin: 0;
  padding: 1.4rem 1.35rem;
  background: rgba(11, 18, 32, 0.92);
}

.flow-label {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

.flow p {
  margin: 0;
  color: var(--mute);
}

@media (min-width: 800px) {
  .flow {
    grid-template-columns: repeat(3, 1fr);
  }
}

.readout-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .readout-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.readout-grid article {
  padding-top: 1rem;
  border-top: 1px solid var(--edge);
}

.readout-grid h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.readout-grid p {
  margin: 0;
  color: var(--mute);
  font-size: 0.98rem;
}

.cta-band {
  text-align: left;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  background: linear-gradient(90deg, rgba(18, 28, 46, 0.8), rgba(5, 8, 15, 0.2));
}

.cta-band h2 {
  max-width: 18ch;
}

.cta-band p {
  color: var(--mute);
  margin: 0 0 1.5rem;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem var(--space) 3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--mute);
  font-size: 0.92rem;
}

.site-footer strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.site-footer p {
  margin: 0;
  max-width: 28rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer nav a {
  color: var(--mute);
  text-decoration: none;
}

.site-footer nav a:hover {
  color: var(--signal);
}

/* Inner pages */
.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem var(--space) 4rem;
}

.page h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 1rem;
}

.page .lede {
  color: var(--mute);
  max-width: 40rem;
}

.panel {
  margin-top: 2rem;
  padding: 1.35rem;
  background: rgba(11, 18, 32, 0.9);
  border: 1px solid var(--edge);
}

.panel label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 0.35rem;
}

.panel input,
.panel textarea {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.75rem 0.85rem;
  background: var(--void);
  border: 1px solid var(--edge);
  color: var(--ink);
  font: inherit;
}

.panel input:focus,
.panel textarea:focus {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.form-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mute);
}

.status {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.status.error {
  color: var(--danger);
}

.status.ok {
  color: var(--signal);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
}

@keyframes brand-in {
  from {
    opacity: 0;
    letter-spacing: 0.18em;
    filter: blur(6px);
  }
  to {
    opacity: 1;
    letter-spacing: 0.02em;
    filter: blur(0);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  .brand-hero,
  #hero-title,
  .hero-lede,
  .hero-actions,
  .hero-meta,
  .btn {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 720px) {
  .site-header nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: 100svh;
  }
}