/* ──────────────────────────────────────────────────────────────
   Vulcyn — ported brand tokens + component classes
   (from src/app/globals.css; @apply expanded to plain CSS)
   Dark only. Single accent (neon green default).
   ────────────────────────────────────────────────────────────── */
:root {
  --bg: #08090b;
  --bg-2: #0c0d10;
  --panel: #101116;
  --panel-2: #15161c;
  --border: #25262d;
  --border-2: #1c1d24;

  --fg: #f4f4f7;
  --fg-2: #d4d4dc;
  --fg-3: #8c8d97;
  --fg-4: #5a5b66;
  --fg-5: #383944;

  /* Accent A — Neon Green (default) */
  --accent: #c8ff5e;
  --accent-glow: rgba(200, 255, 94, 0.55);
  --accent-soft: rgba(200, 255, 94, 0.12);
  --accent-line: rgba(200, 255, 94, 0.3);
  --accent-spark: #ffffaa;

  /* Accent B — Coral Red (reserved for hero cycle only) */
  --accent-b: #ff4d2e;
  --accent-b-glow: rgba(255, 77, 46, 0.62);
  --accent-b-soft: rgba(255, 77, 46, 0.14);
  --accent-b-line: rgba(255, 77, 46, 0.32);
  --accent-b-spark: #ffd9a0;

  --font-sans: "Geist", system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;

  color-scheme: dark;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html,
body {
  color: var(--fg-2);
  font-family: var(--font-sans);
}
html {
  background: var(--bg);
}
body {
  background: transparent;
}

body {
  min-height: 100dvh;
  margin: 0;
  font-feature-settings: "ss01" on, "cv11" on;
}

::selection {
  background: var(--accent);
  color: var(--bg);
  text-shadow: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* Keep primary header nav on one line */
header nav[aria-label="Primary"] a {
  white-space: nowrap;
}

/* ──────────────────────────────────────────────────────────────
   Layout helpers
   ────────────────────────────────────────────────────────────── */
.section {
  position: relative;
  width: 100%;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
@media (min-width: 768px) {
  .section {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}
@media (min-width: 1024px) {
  .section {
    padding-left: 4rem;
    padding-right: 4rem;
  }
}
@media (min-width: 1536px) {
  .section {
    padding-left: 5.5rem;
    padding-right: 5.5rem;
  }
}
@media (min-width: 1920px) {
  .section {
    padding-left: 7rem;
    padding-right: 7rem;
  }
}
.container-x {
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  max-width: 132rem;
}

/* Mono prompt caret (steady — never animate) */
.caret {
  color: var(--accent);
  font-weight: 500;
  text-shadow: 0 0 18px var(--accent-glow);
  margin-right: 0.45em;
  font-family: var(--font-mono);
}

/* Mono section label, e.g. "// the model" */
.mono-label {
  font-family: var(--font-mono);
  color: var(--fg-4);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* Accent link — text + glow + underline on hover/focus */
.accent-link {
  color: var(--accent);
  text-shadow: 0 0 14px var(--accent-glow);
  border-bottom: 2px solid transparent;
  transition: border-color 0.18s ease;
}
.accent-link:hover,
.accent-link:focus-visible {
  border-bottom-color: var(--accent);
}

/* Pill / meta chip */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 9999px;
  padding: 0.25rem 0.75rem;
  font-size: 12px;
  border: 1px solid var(--border);
  color: var(--fg-2);
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.01);
}

/* Card — top-left mono label slot */
.card {
  position: relative;
  border-radius: 0.375rem;
  padding: 1.5rem;
  transition: border-color 0.2s ease, background 0.2s ease;
  background: var(--panel);
  border: 1px solid var(--border);
}
.card-raised {
  background: var(--panel-2);
}
.card:hover {
  border-color: var(--accent-line);
}

/* Hairline divider */
.hairline {
  height: 1px;
  background: var(--border-2);
}
.hairline-accent {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-line),
    transparent
  );
}

/* Primary button — one per view, glowing */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.375rem;
  padding: 0.625rem 1rem;
  font-size: 13px;
  font-weight: 500;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  color: var(--bg);
  background: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn:hover {
  box-shadow: 0 0 36px var(--accent-glow), 0 0 8px var(--accent-spark);
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}
.btn:disabled {
  opacity: 0.7;
  cursor: default;
}

/* Ghost button — neutral counterpart, no glow */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.375rem;
  padding: 0.625rem 1rem;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s ease, border-color 0.2s ease;
  color: var(--fg-2);
  border: 1px solid var(--border);
  background: transparent;
  font-family: var(--font-sans);
  cursor: pointer;
  white-space: nowrap;
}
.btn-ghost:hover {
  color: var(--fg);
  border-color: var(--fg-4);
}

/* Recessed surface — carries the faint background grid */
.surface-recessed {
  background-color: var(--bg-2);
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.025) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Hero radial wash — single accent */
.radial-wash {
  background: radial-gradient(
    circle at 50% 52%,
    var(--accent-soft),
    transparent 60%
  );
}

/* Cursor block — signature motif. Scale via inline width/height. */
.cursor-block {
  display: inline-block;
  vertical-align: middle;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 48px var(--accent-glow), 0 0 14px var(--accent-glow);
  animation: blink 1.6s steps(2) infinite;
}

/* Status dot */
.status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow), 0 0 4px var(--accent-glow);
  animation: pulse 1.8s ease-in-out infinite;
}

/* Inputs */
.field {
  width: 100%;
  border-radius: 0.375rem;
  padding: 0.625rem 0.875rem;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-sans);
}
.field::placeholder {
  color: var(--fg-4);
}
.field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field-error {
  border-color: #ff4d2e;
}
.field-label {
  margin-bottom: 0.375rem;
  display: block;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--fg-3);
}

/* ──────────────────────────────────────────────────────────────
   Keyframes
   ────────────────────────────────────────────────────────────── */
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.18; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(0.86); }
}
@keyframes fade-in {
  0% { opacity: 0; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes scan-line {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* ──────────────────────────────────────────────────────────────
   Big-screen green⇄coral cycle (BRAND_GUIDELINES §5)
   ────────────────────────────────────────────────────────────── */
@keyframes accent-cycle {
  0%, 24% {
    background: var(--accent);
    box-shadow: 0 0 48px var(--accent-glow), 0 0 14px var(--accent-glow);
    opacity: 1;
  }
  12%, 13% { opacity: 0.18; }
  25%, 49% {
    background: var(--accent-b);
    box-shadow: 0 0 48px var(--accent-b-glow), 0 0 14px var(--accent-b-glow);
    opacity: 1;
  }
  37%, 38% { opacity: 0.18; }
  50%, 74% {
    background: var(--accent);
    box-shadow: 0 0 48px var(--accent-glow), 0 0 14px var(--accent-glow);
    opacity: 1;
  }
  62%, 63% { opacity: 0.18; }
  75%, 100% {
    background: var(--accent-b);
    box-shadow: 0 0 48px var(--accent-b-glow), 0 0 14px var(--accent-b-glow);
    opacity: 1;
  }
  87%, 88% { opacity: 0.18; }
}
@keyframes wash-cycle {
  0%, 24% { background-image: radial-gradient(circle at 50% 52%, var(--accent-soft), transparent 60%); }
  25%, 49% { background-image: radial-gradient(circle at 50% 52%, var(--accent-b-soft), transparent 60%); }
  50%, 74% { background-image: radial-gradient(circle at 50% 52%, var(--accent-soft), transparent 60%); }
  75%, 100% { background-image: radial-gradient(circle at 50% 52%, var(--accent-b-soft), transparent 60%); }
}
@keyframes caret-cycle {
  0%, 24% { color: var(--accent); text-shadow: 0 0 18px var(--accent-glow); }
  25%, 49% { color: var(--accent-b); text-shadow: 0 0 18px var(--accent-b-glow); }
  50%, 74% { color: var(--accent); text-shadow: 0 0 18px var(--accent-glow); }
  75%, 100% { color: var(--accent-b); text-shadow: 0 0 18px var(--accent-b-glow); }
}
@keyframes divider-cycle {
  0%, 24% { background: linear-gradient(90deg, transparent, var(--accent-line), transparent); }
  25%, 49% { background: linear-gradient(90deg, transparent, var(--accent-b-line), transparent); }
  50%, 74% { background: linear-gradient(90deg, transparent, var(--accent-line), transparent); }
  75%, 100% { background: linear-gradient(90deg, transparent, var(--accent-b-line), transparent); }
}

.cursor-block--cycle {
  display: inline-block;
  vertical-align: middle;
  border-radius: 2px;
  animation: accent-cycle 5.2s steps(40) infinite;
}
.radial-wash--cycle { animation: wash-cycle 5.2s steps(40) infinite; }
.caret--cycle { animation: caret-cycle 5.2s steps(40) infinite; }
.divider--cycle { animation: divider-cycle 5.2s steps(40) infinite; }

/* Typed-line blinking cursor */
.type-cursor {
  margin-left: 2px;
  display: inline-block;
  height: 1em;
  width: 0.55ch;
  transform: translateY(0.12em);
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow), 0 0 4px var(--accent-glow);
  animation: blink 1.6s steps(2) infinite;
}

/* Scan line */
.scan-line {
  animation: scan-line 8s linear infinite;
}

/* ──────────────────────────────────────────────────────────────
   Scroll reveal (replaces framer-motion <Reveal>)
   ────────────────────────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-reveal="left"] { transform: translateX(16px); }
[data-reveal="right"] { transform: translateX(-16px); }
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Magnetic wrapper */
.magnetic {
  display: inline-block;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Sequence rail fill animation */
.rail-fill {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.rail-fill.is-visible {
  transform: scaleX(1);
}

/* Scrollbar polish */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-5); }

/* Spinner */
.spinner {
  display: inline-block;
  height: 0.875rem;
  width: 0.875rem;
  border-radius: 9999px;
  border: 1.5px solid;
  border-color: var(--bg) var(--bg) transparent var(--bg);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ──────────────────────────────────────────────────────────────
   prefers-reduced-motion
   ────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .cursor-block, .cursor-block--cycle, .status-dot {
    animation: none !important;
    opacity: 1 !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}