/* SiteForge — Blacksmith Forge design system
   Direction: industrial workshop at night. Charcoal iron, molten ember, brass
   stamps. Atmosphere over chrome. Double-bezel cards. Springy motion.
   Banned: Inter/Roboto/Arial, purple gradients, flat white dashboards. */

:root {
  --iron: #0b0a09;
  --iron-2: #12100e;
  --soot: #1a1714;
  --anvil: #221e1a;
  --ash: #f3ebe2;
  --ash-soft: #d9cfc3;
  --smoke: #9a9086;
  --smoke-2: #6e675f;
  --line: rgba(243, 235, 226, 0.09);
  --line-strong: rgba(243, 235, 226, 0.16);
  --ember: #ff5c2b;
  --ember-hot: #ff8a4c;
  --ember-deep: #c43a12;
  --ember-glow: rgba(255, 92, 43, 0.45);
  --brass: #c9a66b;
  --brass-soft: #a8884f;
  --ok: #5fad7a;
  --ok-tint: rgba(95, 173, 122, 0.14);

  --font-display: 'Syne', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Figtree', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --r: 18px;
  --r-sm: 12px;
  --r-pill: 999px;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --shadow-soft: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 24px 48px -28px rgba(0, 0, 0, 0.75);
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  color: var(--ash);
  background-color: var(--iron);
  /* Forge hearth: ember bloom + soot falloff + faint anvil grid */
  background-image:
    radial-gradient(90% 55% at 50% -8%, rgba(255, 92, 43, 0.22), transparent 58%),
    radial-gradient(50% 40% at 85% 20%, rgba(201, 166, 107, 0.06), transparent 50%),
    linear-gradient(180deg, var(--iron-2) 0%, var(--iron) 42%, #080706 100%),
    linear-gradient(to right, rgba(243, 235, 226, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(243, 235, 226, 0.03) 1px, transparent 1px);
  background-size: auto, auto, auto, 40px 40px, 40px 40px;
  background-attachment: fixed;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Fixed film grain — GPU-safe, non-interactive */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* --- typography --- */
h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--ash);
}
h1 { font-size: clamp(2.1rem, 5vw, 3.1rem); }
h2 { font-size: 1.4rem; letter-spacing: -0.02em; }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1rem; }
a { color: var(--ember-hot); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ash); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--ember), var(--brass));
  border-radius: 1px;
  box-shadow: 0 0 10px var(--ember-glow);
}
.mono { font-family: var(--font-mono); }
.muted { color: var(--smoke); }

/* --- layout shells --- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; position: relative; z-index: 1; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 0.85rem 0 0;
  background: transparent;
  border-bottom: none;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: auto;
  min-height: 52px;
  padding: 0.55rem 1rem 0.55rem 1.1rem;
  max-width: calc(var(--maxw) - 0.5rem);
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--soot) 78%, transparent);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-soft), 0 0 0 1px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.2rem;
  color: var(--ash);
}
.brand .mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #2a2420 0%, #0e0c0b 100%);
  color: var(--ash);
  border-radius: 9px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid var(--line-strong);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -4px 0 var(--ember),
    0 0 16px -4px var(--ember-glow);
}

/* --- double-bezel cards (outer ring + inner plate) --- */
.card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), transparent 40%),
    linear-gradient(180deg, var(--soot), var(--iron-2));
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  padding: 1.5rem;
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--anvil) 70%, transparent),
    0 0 0 5px var(--line),
    var(--shadow-soft);
}
.card + .card { margin-top: 1.1rem; }

/* Spec-sheet project row */
.spec {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem 1.5rem;
  align-items: center;
  padding: 1.15rem 1.3rem;
  background: linear-gradient(180deg, var(--soot), var(--iron-2));
  border: 1px solid var(--line);
  border-radius: var(--r);
  text-decoration: none;
  color: inherit;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--anvil) 55%, transparent);
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.spec:hover {
  border-color: color-mix(in srgb, var(--ember) 45%, var(--line-strong));
  transform: translateY(-2px);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--anvil) 55%, transparent),
    0 18px 40px -24px var(--ember-glow);
}
.spec + .spec { margin-top: 0.75rem; }
.spec .title { font-family: var(--font-display); font-weight: 700; font-size: 1.08rem; letter-spacing: -0.02em; }
.spec .id { font-family: var(--font-mono); font-size: 0.7rem; color: var(--smoke-2); letter-spacing: 0.04em; }

/* --- status pills --- */
.pill {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.32rem 0.65rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  color: var(--ash-soft);
  background: rgba(0, 0, 0, 0.25);
  white-space: nowrap;
}
.pill.interview {
  background: rgba(255, 92, 43, 0.12);
  border-color: rgba(255, 92, 43, 0.35);
  color: var(--ember-hot);
}
.pill.ingesting, .pill.generating {
  background: rgba(201, 166, 107, 0.1);
  border-color: rgba(201, 166, 107, 0.28);
  color: var(--brass);
}
.pill.deployed, .pill.ready, .pill.preview {
  background: var(--ok-tint);
  border-color: rgba(95, 173, 122, 0.35);
  color: var(--ok);
}

/* --- buttons --- */
.btn {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding: 0.78rem 1.35rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  background: var(--anvil);
  color: var(--ash);
  cursor: pointer;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.btn:hover { background: #2c2722; }
.btn:active { transform: scale(0.98); }
.btn.primary {
  background: linear-gradient(180deg, var(--ember-hot) 0%, var(--ember) 48%, var(--ember-deep) 100%);
  border-color: color-mix(in srgb, var(--ember-hot) 50%, transparent);
  color: #1a0a04;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.15);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 0 24px -6px var(--ember-glow),
    0 10px 24px -14px rgba(0, 0, 0, 0.8);
}
.btn.primary:hover {
  background: linear-gradient(180deg, #ff9a62 0%, var(--ember-hot) 45%, var(--ember) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 0 32px -4px var(--ember-glow);
}
.btn.ghost {
  background: transparent;
  color: var(--ash-soft);
  border-color: var(--line-strong);
  box-shadow: none;
}
.btn.ghost:hover {
  background: rgba(243, 235, 226, 0.04);
  border-color: var(--brass-soft);
  color: var(--ash);
}
.btn.danger {
  background: color-mix(in srgb, #8b2e2e 70%, var(--iron-2));
  color: #f5e8e6;
  border-color: color-mix(in srgb, #c45c5c 45%, var(--line));
  box-shadow: none;
}
.btn.danger:hover {
  background: color-mix(in srgb, #a33838 80%, var(--iron-2));
  border-color: #d07070;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

/* --- forms --- */
label.field { display: block; margin-bottom: 1.05rem; }
label.field .lbl {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
  color: var(--ash-soft);
}
label.field .help { display: block; font-size: 0.85rem; color: var(--smoke); margin-bottom: 0.5rem; }
input[type=text], input[type=email], input[type=url], input[type=tel], input[type=password], textarea, select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ash);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 0.78rem 0.95rem;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.35);
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--brass) 50%), linear-gradient(135deg, var(--brass) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.2rem;
}
textarea { min-height: 120px; resize: vertical; line-height: 1.55; }
input::placeholder, textarea::placeholder { color: var(--smoke-2); }
input:focus, textarea:focus, select:focus, .btn:focus-visible, a:focus-visible, .opt:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 2px;
  border-color: color-mix(in srgb, var(--ember) 55%, var(--line-strong));
  box-shadow: 0 0 0 3px rgba(255, 92, 43, 0.18);
}

/* option chips */
.opts { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.opt {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  cursor: pointer;
  background: rgba(0, 0, 0, 0.28);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ash-soft);
  text-align: left;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease);
}
.opt:hover { border-color: var(--brass-soft); color: var(--ash); }
.opt.checked {
  border-color: rgba(255, 92, 43, 0.55);
  background: rgba(255, 92, 43, 0.12);
  color: var(--ember-hot);
  box-shadow: 0 0 20px -8px var(--ember-glow);
}

/* --- forge progress rail --- */
.rail {
  height: 7px;
  background: rgba(0, 0, 0, 0.45);
  border-radius: var(--r-pill);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
}
.rail > span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, #6b3418 0%, var(--ember) 45%, var(--ember-hot) 78%, #ffe0a8 100%);
  box-shadow: 0 0 18px -2px var(--ember-glow);
  transition: width 0.7s var(--ease);
}
.step-counter {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--smoke);
}
.step-counter b { color: var(--ember-hot); font-weight: 600; }

/* --- misc --- */
.stack > * + * { margin-top: 1rem; }
.row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
.grow { flex: 1; }
.center { text-align: center; }
.notice {
  border: 1px solid rgba(255, 92, 43, 0.28);
  border-left: 3px solid var(--ember);
  background: rgba(255, 92, 43, 0.08);
  border-radius: var(--r-sm);
  padding: 0.9rem 1.05rem;
  font-size: 0.92rem;
  color: var(--ash-soft);
}
.error { color: var(--ember-hot); font-size: 0.9rem; min-height: 1.2em; }
.hidden { display: none !important; }
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--ember);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  vertical-align: middle;
}
footer.foot {
  border-top: 1px solid var(--line);
  margin-top: 4rem;
  padding: 1.75rem 0 2.25rem;
  color: var(--smoke-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  position: relative;
  z-index: 1;
}

/* --- Forge photography (SiteForge chrome) --- */
.forge-gate {
  position: relative;
  isolation: isolate;
  min-height: calc(100dvh - 4.5rem);
  display: flex;
  align-items: center;
  margin: -0.5rem 0 0;
  overflow: hidden;
}
.forge-gate-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.forge-gate-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  display: block;
  transform: scale(1.06);
  filter: saturate(1.08) contrast(1.08) brightness(0.92);
}
.forge-gate-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(105deg, rgba(8, 6, 5, 0.9) 0%, rgba(8, 6, 5, 0.68) 40%, rgba(8, 6, 5, 0.42) 100%),
    radial-gradient(70% 55% at 45% 55%, rgba(255, 92, 43, 0.22), transparent 58%);
}
.forge-gate-body {
  position: relative;
  z-index: 2;
  max-width: 460px;
  margin: 0 auto;
  padding: 3.5rem 1.25rem 4rem;
  width: 100%;
}
.forge-gate-brand {
  margin-bottom: 1.5rem;
  font-size: 1.15rem;
}
.forge-gate h1 {
  margin: 0 0 0.55rem;
  text-shadow: 0 2px 28px rgba(0, 0, 0, 0.55);
}
.forge-gate-lede {
  max-width: 36ch;
  margin: 0;
  color: var(--ash-soft);
}
.forge-gate-card {
  margin-top: 1.5rem;
  background: color-mix(in srgb, var(--soot) 88%, transparent);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
}

/* Extra-large ghosted hammer strike — fills upper workshop */
.forge-ghost {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(22rem, 58vw, 36rem);
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.55s var(--ease);
}
body.is-workshop .forge-ghost {
  opacity: 1;
}
body.is-gate .forge-ghost {
  opacity: 0;
  visibility: hidden;
}
.forge-ghost img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 48%;
  display: block;
  opacity: 0.42;
  filter: saturate(0.9) contrast(1.12) brightness(0.78);
  transform: scale(1.08);
}
.forge-ghost-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(11, 10, 9, 0.35) 0%,
      rgba(11, 10, 9, 0.55) 45%,
      var(--iron) 92%),
    radial-gradient(55% 50% at 42% 48%, rgba(255, 92, 43, 0.14), transparent 60%);
}
.forge-workshop-head {
  position: relative;
  z-index: 1;
  padding-top: clamp(1.5rem, 4vw, 3rem);
  min-height: clamp(8rem, 18vw, 12rem);
}
.forge-workshop-head h1 {
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.55);
}

.forge-workshop-hero {
  position: relative;
  height: clamp(9rem, 22vw, 14rem);
  border-radius: var(--r);
  overflow: hidden;
  margin: 0 0 1.75rem;
  border: 1px solid var(--line);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--anvil) 55%, transparent), var(--shadow-soft);
}
.forge-workshop-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
  display: block;
}
.forge-workshop-hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 20%, rgba(11, 10, 9, 0.55) 100%),
    radial-gradient(80% 80% at 80% 20%, rgba(255, 92, 43, 0.22), transparent 50%);
  pointer-events: none;
}

.forge-howto-hero {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-bottom: 2rem;
  min-height: clamp(16rem, 42vw, 26rem);
  overflow: hidden;
  isolation: isolate;
}
.forge-howto-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}
.forge-howto-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(11, 10, 9, 0.35) 0%, rgba(11, 10, 9, 0.88) 78%, var(--iron) 100%),
    radial-gradient(60% 50% at 70% 30%, rgba(255, 92, 43, 0.2), transparent 55%);
}
.forge-howto-copy {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(4rem, 12vw, 7rem) 1.25rem 0;
}
.forge-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin: 2.25rem 0 0;
}
.forge-strip figure {
  margin: 0;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
}
.forge-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease);
}
.forge-strip figure:hover img {
  transform: scale(1.04);
}

body.is-gate > main.wrap,
body.is-gate > footer.foot,
body.is-gate > .forge-ghost {
  display: none;
}
body.is-gate .topbar {
  position: absolute;
  left: 0;
  right: 0;
  background: transparent;
}
body.is-gate .topbar .wrap {
  background: color-mix(in srgb, var(--soot) 55%, transparent);
  border-color: transparent;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes forge-rise {
  from { opacity: 0; transform: translateY(16px); filter: blur(4px); }
  to { opacity: 1; transform: none; filter: none; }
}
@keyframes forge-glow {
  0%, 100% { box-shadow: inset 0 -4px 0 var(--ember), 0 0 14px -4px var(--ember-glow); }
  50% { box-shadow: inset 0 -4px 0 var(--ember-hot), 0 0 22px -2px var(--ember-glow); }
}
.rise { animation: forge-rise 0.7s var(--ease) both; }
.brand .mark { animation: forge-glow 3.2s var(--ease) infinite; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
}

@media (max-width: 640px) {
  .topbar { padding-top: 0.65rem; }
  .topbar .wrap { border-radius: 16px; padding-left: 0.85rem; padding-right: 0.85rem; }
  .card { padding: 1.2rem; box-shadow: 0 0 0 3px color-mix(in srgb, var(--anvil) 70%, transparent), 0 0 0 4px var(--line), var(--shadow-soft); }
  .spec { grid-template-columns: 1fr; }
  h1 { font-size: clamp(1.85rem, 8vw, 2.4rem); }
  .forge-strip { grid-template-columns: 1fr; }
  .forge-workshop-hero { height: 8.5rem; }
  .forge-gate { min-height: calc(100dvh - 3.5rem); }
}