/* ============================================================
   GLOAM — Base: reset, typography, shared chrome
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--s-5));
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--soot-900);
  color: var(--ink-200);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  color: var(--ink-100);
  font-weight: 620;
  line-height: var(--lh-tight);
  /* Cinzel is all-caps Roman; negative tracking collapses it into a smudge. */
  letter-spacing: 0.005em;
}

p {
  margin: 0;
}

a {
  color: var(--ember);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-out);
}

a:hover {
  color: #FFC08A;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

/* The UA rule for [hidden] is display:none at the lowest specificity,
   so any class that sets display (.btn, .panel, grid children…) silently
   defeats it. Make hidden mean hidden. */
[hidden] {
  display: none !important;
}

hr {
  border: 0;
  border-top: 1px solid var(--line-hair);
  margin: var(--s-6) 0;
}

::selection {
  background: var(--ember);
  color: var(--soot-900);
}

:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* Screen-reader-only, still focusable */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: var(--s-3);
  left: var(--s-3);
  z-index: 999;
  padding: var(--s-2) var(--s-4);
  background: var(--ember);
  color: var(--soot-900);
  border-radius: var(--r-md);
  font-weight: 650;
  transform: translateY(-200%);
  transition: transform var(--t-med) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ============================================================
   Layout primitives
   ============================================================ */

.wrap {
  width: 100%;
  max-width: var(--w-page);
  margin-inline: auto;
  padding-inline: var(--s-5);
}

@media (max-width: 640px) {
  .wrap {
    padding-inline: var(--s-4);
  }
}

.section {
  position: relative;
  padding-block: var(--s-9);
}

@media (max-width: 720px) {
  .section {
    padding-block: var(--s-8);
  }
}

/* ============================================================
   Instrument type — the tracked micro-label used everywhere
   ============================================================ */

.label {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-400);
}

.label--ember {
  color: var(--ember);
}

.label::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.label--bare::before {
  display: none;
}

.readout {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-bottom: var(--s-7);
  max-width: 40rem;
}

.section-head h2 {
  font-size: var(--fs-xl);
}

.section-head p {
  color: var(--ink-300);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  --btn-bg: transparent;
  --btn-fg: var(--ink-100);
  --btn-line: var(--line-soft);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 0.72rem 1.35rem;
  border-radius: var(--r-full);
  background: var(--btn-bg);
  color: var(--btn-fg);
  box-shadow: inset 0 0 0 1px var(--btn-line);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: transform var(--t-fast) var(--ease-out),
    box-shadow var(--t-med) var(--ease-out),
    background-color var(--t-med) var(--ease-out),
    color var(--t-med) var(--ease-out);
}

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

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  --btn-bg: var(--ember);
  --btn-fg: #14100A;
  --btn-line: transparent;
  box-shadow: 0 0 28px -8px var(--ember-glow);
}

.btn--primary:hover {
  --btn-bg: #FFA45E;
  box-shadow: 0 0 34px -6px var(--ember-glow);
  color: #14100A;
}

.btn--moss {
  --btn-bg: var(--moss);
  --btn-fg: #2A1004;
  --btn-line: transparent;
  box-shadow: 0 0 28px -8px var(--moss-glow);
}

.btn--moss:hover {
  --btn-bg: #9FD46B;
  color: #2A1004;
}

.btn--ghost {
  --btn-line: var(--line-soft);
  color: var(--ink-200);
}

.btn--ghost:hover {
  --btn-line: var(--line-ember);
  color: var(--ink-100);
  background: rgba(255, 138, 61, 0.06);
}

.btn--sm {
  padding: 0.5rem 0.9rem;
  font-size: var(--fs-xs);
}

.btn--lg {
  padding: 0.9rem 1.75rem;
  font-size: var(--fs-base);
}

.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

/* ============================================================
   Panels — pressure glass
   ============================================================ */

.panel {
  position: relative;
  background: var(--glass);
  border-radius: var(--r-lg);
  box-shadow: inset 0 0 0 1px var(--line-hair), var(--shadow-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
}

.panel--raised {
  background: var(--glass-raised);
}

/* corner ticks — the instrument detail that ties the system together */
.panel--ticked::before,
.panel--ticked::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid var(--line-ember);
  opacity: 0.5;
  pointer-events: none;
}

.panel--ticked::before {
  top: 8px;
  left: 8px;
  border-right: 0;
  border-bottom: 0;
}

.panel--ticked::after {
  right: 8px;
  bottom: 8px;
  border-left: 0;
  border-top: 0;
}

/* ============================================================
   Ambient: torchlight + soot + vignette
   Fixed behind everything. Purely decorative.
   ============================================================ */

.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    /* the flame is behind and above you, so the light falls from there */
    radial-gradient(110% 70% at 50% -8%, rgba(255, 138, 61, 0.16) 0%, transparent 58%),
    radial-gradient(120% 80% at 50% -10%, rgba(51, 41, 30, 0.9) 0%, transparent 60%),
    radial-gradient(70% 50% at 12% 42%, rgba(134, 192, 81, 0.05) 0%, transparent 62%),
    linear-gradient(180deg, var(--soot-700) 0%, var(--soot-900) 55%);
}

.ambient::after {
  /* the dark past the light */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    120% 100% at 50% 26%,
    transparent 34%,
    rgba(11, 9, 7, 0.82) 100%
  );
}

#motes {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
}

/* ============================================================
   Nav
   ============================================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(11, 9, 7, 0.6);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line-hair);
  transition: background-color var(--t-med) var(--ease-out);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  width: 100%;
  max-width: var(--w-page);
  margin-inline: auto;
  padding-inline: var(--s-5);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-shrink: 0;
}

.nav__brand svg {
  height: 26px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  margin-left: auto;
  list-style: none;
}

.nav__links a {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-300);
  position: relative;
  padding-block: var(--s-2);
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease-out);
}

.nav__links a:hover {
  color: var(--ink-100);
}

.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav__links a[aria-current="page"] {
  color: var(--ember);
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-shrink: 0;
}

.nav__toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--r-md);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  align-items: center;
  justify-content: center;
}

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink-100);
  border-radius: 2px;
  transition: transform var(--t-med) var(--ease-out),
    opacity var(--t-fast) linear;
}

.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: relative;
}

.nav__toggle span::before {
  top: -5px;
}

.nav__toggle span::after {
  top: 3.5px;
}

.nav.is-open .nav__toggle span {
  transform: rotate(45deg);
}

.nav.is-open .nav__toggle span::before {
  opacity: 0;
}

.nav.is-open .nav__toggle span::after {
  transform: rotate(-90deg) translateX(3.5px);
}

@media (max-width: 900px) {
  .nav__toggle {
    display: flex;
    margin-left: auto;
  }

  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: var(--s-4) var(--s-5) var(--s-6);
    background: rgba(11, 9, 7, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line-hair);
    transform: translateY(-120%);
    transition: transform var(--t-med) var(--ease-out);
  }

  .nav.is-open .nav__links {
    transform: translateY(0);
  }

  .nav__links li {
    border-bottom: 1px solid var(--line-hair);
  }

  .nav__links a {
    display: block;
    padding: var(--s-4) 0;
    font-size: var(--fs-sm);
  }

  .nav__cta .btn--ghost {
    display: none;
  }
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  position: relative;
  margin-top: var(--s-9);
  padding-block: var(--s-8) var(--s-6);
  border-top: 1px solid var(--line-hair);
  background: linear-gradient(180deg, transparent, rgba(11, 9, 7, 0.85));
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--s-7) var(--s-5);
}

@media (max-width: 820px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand svg {
  height: 28px;
  width: auto;
  margin-bottom: var(--s-4);
}

.footer__brand p {
  color: var(--ink-400);
  font-size: var(--fs-sm);
  max-width: 26rem;
}

.footer__col h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: var(--s-4);
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.footer__col a {
  color: var(--ink-300);
  font-size: var(--fs-sm);
}

.footer__col a:hover {
  color: var(--ember);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  margin-top: var(--s-8);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line-hair);
  color: var(--ink-500);
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* Social row */
.socials {
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
}

.socials a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-full);
  color: var(--ink-300);
  box-shadow: inset 0 0 0 1px var(--line-hair);
  transition: color var(--t-fast) var(--ease-out),
    box-shadow var(--t-med) var(--ease-out),
    transform var(--t-fast) var(--ease-out);
}

.socials a:hover {
  color: var(--ember);
  box-shadow: inset 0 0 0 1px var(--line-ember);
  transform: translateY(-2px);
}

.socials svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ============================================================
   Placeholder chip — marks values that MUST be filled before launch
   Deliberately loud. Nothing fake ships to users by accident.
   ============================================================ */

.tbd {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.1em 0.5em;
  border-radius: var(--r-sm);
  background: rgba(242, 193, 78, 0.12);
  box-shadow: inset 0 0 0 1px rgba(242, 193, 78, 0.4);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.85em;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.tbd::before {
  content: "◆";
  font-size: 0.7em;
  opacity: 0.8;
}

/* ============================================================
   Scroll reveal — opt-in via [data-reveal]
   ============================================================ */

/* The hidden state is gated on .js-reveal, which an inline script in
   <head> adds. If scripting is off or the head script never runs, the
   content is simply visible — a decorative animation must never be
   able to hide the page. */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.js-reveal [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js-reveal [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* Scrollbars — thin, in-theme */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--soot-400) transparent;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-thumb {
  background: var(--soot-400);
  border-radius: var(--r-full);
  border: 3px solid transparent;
  background-clip: content-box;
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--ember-dim);
  background-clip: content-box;
}