/* Audience Blaze — The Observatory (dark) */
:root {
  --obsidian: #0B0C10;
  --onyx: #15161B;
  --alabaster: #ECEDF0;
  --flare: #FF6A3D;
  --ash: #8B8E96;
  --rail-w: 192px;
  --drawer-w: 320px;
  --bar-h: 56px;
  --font-display: "Bodoni Moda", Georgia, serif;
  --font-body: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--alabaster);
  background: var(--obsidian);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--flare); text-underline-offset: 0.15em; }
a:hover { color: #ff8a66; }

.surface-obsidian { background: var(--obsidian); color: var(--alabaster); }
.surface-onyx { background: var(--onyx); color: var(--alabaster); }
.surface-alabaster { background: var(--alabaster); color: var(--obsidian); }
.surface-flare { background: var(--flare); color: var(--obsidian); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.25rem, 5vw, 4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p { margin: 0 0 1em; color: var(--ash); }
.lead { font-size: 1.125rem; max-width: 62ch; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; color: var(--ash); }
.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.section { padding: 4.5rem 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ash);
  margin-bottom: 0.75rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--rail-w);
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--flare);
  color: var(--obsidian);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

/* Index rail */
.index-rail {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  background:
    linear-gradient(180deg, rgba(255, 106, 61, 0.04) 0%, transparent 28%),
    var(--onyx);
  border-right: 1px solid rgba(139, 142, 150, 0.18);
  box-shadow: 8px 0 32px rgba(0, 0, 0, 0.22);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 1.75rem 1.15rem 2rem;
  transition: transform 0.35s var(--ease);
}
.rail-logo {
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255, 106, 61, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--flare);
  text-decoration: none;
  margin: 0 auto 1.35rem;
  box-shadow: 0 0 0 1px rgba(255, 106, 61, 0.08), inset 0 0 24px rgba(255, 106, 61, 0.06);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.rail-logo:hover {
  background: rgba(255, 106, 61, 0.12);
  border-color: var(--flare);
  color: var(--flare);
  transform: translateY(-1px);
}
.rail-nav {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.rail-nav::before {
  content: "INDEX";
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--flare);
  padding: 0 0.35rem 1rem;
  border-bottom: 1px solid rgba(139, 142, 150, 0.14);
  margin-bottom: 1rem;
}
.rail-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.rail-nav a {
  display: block;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ash);
  text-decoration: none;
  text-align: left;
  padding: 0.8rem 1rem 0.8rem 1.15rem;
  border-radius: 4px;
  border-left: 3px solid transparent;
  position: relative;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.rail-nav a:hover {
  color: var(--alabaster);
  background: rgba(236, 237, 240, 0.05);
  border-left-color: rgba(255, 106, 61, 0.35);
}
.rail-nav a.nav-active {
  color: var(--alabaster);
  background: rgba(255, 106, 61, 0.1);
  border-left-color: var(--flare);
  box-shadow: inset 0 0 0 1px rgba(255, 106, 61, 0.12);
}
.rail-nav a.nav-active::after {
  content: "";
  position: absolute;
  right: 0.85rem;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 10px rgba(255, 106, 61, 0.65);
  transform: translateY(-50%);
}

/* Command bar */
.command-bar {
  position: fixed;
  top: 0;
  left: var(--rail-w);
  right: 0;
  height: var(--bar-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 1.5rem;
  background: rgba(11,12,16,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(139,142,150,0.12);
  z-index: 200;
}
.command-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ash);
  justify-self: start;
}
.command-centre {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
  text-align: center;
}
.command-cta {
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.5rem 0.875rem;
  background: var(--flare);
  color: var(--alabaster);
  text-decoration: none;
  transition: background 0.25s;
}
.command-cta:hover { background: #ff8a66; color: var(--alabaster); }
.drawer-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--alabaster);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.25rem;
}

/* Main */
.site-main {
  margin-left: var(--rail-w);
  padding-top: var(--bar-h);
  min-height: 100vh;
}

/* Drawer scrim */
.drawer-scrim {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11,12,16,0.55);
  z-index: 250;
}
.drawer-scrim.is-visible { display: block; }

/* Hero */
.hero-ignition {
  position: relative;
  min-height: calc(100vh - var(--bar-h));
  display: flex;
  align-items: flex-end;
  background: var(--obsidian) center/cover no-repeat;
}
.hero-ignition::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,12,16,0.3) 0%, rgba(11,12,16,0.85) 65%, var(--obsidian) 100%);
}
.hero-ignition__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 3rem 0 4.5rem;
}
.hero-ignition h1 { color: var(--alabaster); max-width: 16ch; }
.hero-ignition .slogan { font-size: 1.15rem; max-width: 44ch; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.btn-flare { background: var(--flare); color: var(--alabaster); }
.btn-flare:hover { background: #ff8a66; color: var(--alabaster); }
button.btn-flare { color: var(--alabaster); }
.btn-outline { border-color: var(--ash); color: var(--alabaster); background: transparent; }
.btn-outline:hover { border-color: var(--flare); color: var(--flare); }

/* Grid & cards */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card {
  background: var(--onyx);
  border: 1px solid rgba(139,142,150,0.12);
  padding: 1.75rem;
}
.card h3 { color: var(--alabaster); }
.card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; margin-bottom: 1rem; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s var(--ease);
}
html.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

.page-hero { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid rgba(139,142,150,0.12); }
.page-hero h1 { color: var(--alabaster); }
.prose { max-width: 720px; }
.prose h2 { color: var(--alabaster); margin-top: 2rem; }
.prose h3 { color: var(--alabaster); }

/* Case studies */
.case-study { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; margin-bottom: 3rem; }
.case-study img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border: 1px solid rgba(139,142,150,0.15); }
.case-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--flare);
}

/* FAQ */
.faq-list { display: grid; gap: 0; }
.faq-item { border-bottom: 1px solid rgba(139,142,150,0.15); padding: 1.5rem 0; }
.faq-item h3 { color: var(--alabaster); font-family: var(--font-body); font-weight: 500; font-size: 1.05rem; margin-bottom: 0.75rem; }

/* CTA band */
.cta-band {
  background:
    linear-gradient(165deg, #07080b 0%, #0f1015 42%, #15110f 100%);
  border-top: 1px solid rgba(255, 106, 61, 0.2);
  border-bottom: 1px solid rgba(139, 142, 150, 0.1);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 0% 100%, rgba(255, 106, 61, 0.1), transparent 65%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(255, 106, 61, 0.05), transparent 55%);
  pointer-events: none;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band .section-label { color: var(--flare); }
.cta-band h2 { color: var(--alabaster); }
.cta-band p { color: rgba(236, 237, 240, 0.88); }
.cta-band .btn-outline {
  border-color: rgba(236, 237, 240, 0.55);
  color: var(--alabaster);
}
.cta-band .btn-outline:hover {
  border-color: var(--alabaster);
  color: var(--alabaster);
  background: rgba(236, 237, 240, 0.08);
}

/* Forms */
.form-surface { padding: 2rem; }
.form-surface label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  color: var(--obsidian);
}
.form-surface input,
.form-surface textarea,
.form-surface select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(11,12,16,0.2);
  background: #fff;
  color: var(--obsidian);
  font-family: var(--font-body);
  margin-bottom: 1rem;
}
.form-surface textarea { min-height: 130px; resize: vertical; }
.form-surface-dark {
  background: var(--obsidian);
  border: 1px solid rgba(139, 142, 150, 0.2);
}
.form-surface-dark h2 { color: var(--alabaster); }
.form-surface-dark label { color: var(--alabaster); }
.form-surface-dark input,
.form-surface-dark textarea,
.form-surface-dark select {
  background: var(--onyx);
  color: var(--alabaster);
  border: 1px solid rgba(139, 142, 150, 0.35);
}
.form-surface-dark input::placeholder,
.form-surface-dark textarea::placeholder { color: rgba(236, 237, 240, 0.45); }
.form-surface-dark .checkbox-row label {
  color: var(--alabaster);
  font-size: 0.875rem;
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-body);
  line-height: 1.5;
}
.form-surface-dark .checkbox-row label a { color: var(--flare); }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.checkbox-row { display: flex; gap: 0.65rem; align-items: flex-start; margin: 1rem 0; }
.checkbox-row input { width: auto; margin-top: 0.2rem; }
.checkbox-row label { font-size: 0.875rem; text-transform: none; letter-spacing: 0; font-family: var(--font-body); line-height: 1.5; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-error { color: #ff8a66; font-size: 0.875rem; margin-bottom: 1rem; }

/* Legal links */
.legal-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.legal-links a {
  display: block;
  padding: 1.25rem 1.5rem;
  background: var(--onyx);
  border: 1px solid rgba(139,142,150,0.12);
  color: var(--alabaster);
  text-decoration: none;
}
.legal-links a:hover { border-color: var(--flare); color: var(--flare); }

/* Footer */
.site-footer {
  background: var(--onyx);
  border-top: 1px solid rgba(139,142,150,0.12);
  margin-top: 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  padding: 3.5rem 0 2.5rem;
}
.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--flare);
  margin-bottom: 1rem;
}
.footer-brand { font-family: var(--font-display); font-size: 1.25rem; color: var(--alabaster); margin-bottom: 0.75rem; }
.footer-col p, .footer-nav { font-size: 0.875rem; color: var(--ash); }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 0.45rem; }
.footer-nav a { color: var(--ash); text-decoration: none; }
.footer-nav a:hover { color: var(--flare); }
.footer-strip {
  border-top: 1px solid rgba(139,142,150,0.12);
  padding: 1.25rem 0 1.75rem;
  display: grid;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--ash);
}
.footer-disclaimer { margin: 0; max-width: 72ch; line-height: 1.55; }
.footer-legal a { color: var(--ash); text-decoration: none; margin-right: 0.75rem; }
.footer-legal a:hover { color: var(--flare); }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: var(--rail-w);
  right: 0;
  background: var(--onyx);
  border-top: 1px solid rgba(255,106,61,0.35);
  z-index: 400;
  transform: translateY(100%);
  transition: transform 0.35s var(--ease);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}
.cookie-banner p { flex: 1; min-width: 220px; font-size: 0.875rem; margin: 0; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-customise-panel { width: 100%; margin-top: 0.75rem; }
.cookie-customise-panel[hidden] { display: none; }
.cookie-toggle { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--alabaster); margin-bottom: 0.35rem; }

/* Error / thanks */
.center-page {
  min-height: calc(100vh - var(--bar-h) - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
}
.center-page h1 { color: var(--alabaster); }

/* Mobile */
@media (max-width: 900px) {
  .grid-2, .grid-3, .case-study, .footer-grid, .form-row-2 {
    grid-template-columns: 1fr;
  }
  .index-rail {
    width: var(--drawer-w);
    align-items: stretch;
    padding: 1.75rem 1.35rem 2rem;
    transform: translateX(-100%);
    box-shadow: 16px 0 48px rgba(0, 0, 0, 0.35);
  }
  .index-rail.is-open { transform: translateX(0); }
  .rail-nav a {
    font-size: 1.0625rem;
    padding: 0.95rem 1.1rem 0.95rem 1.2rem;
  }
  .command-bar {
    left: 0;
    grid-template-columns: auto 1fr auto;
    gap: 0.5rem;
    padding: 0 1rem;
  }
  .command-centre { font-size: 0.5rem; letter-spacing: 0.08em; }
  .drawer-toggle { display: block; }
  .site-main { margin-left: 0; }
  .cookie-banner { left: 0; }
  .skip-link { left: 0; }
}