/* ==========================================================================
   Intro: preloader, hero and the code card
   The landing system, driven by intro.js as one choreographed sequence.
   This is the part a Build Space would eventually stand beside or replace,
   which is why it is isolated rather than mixed into the page sections.
   ========================================================================== */

/* ==========================================================================
   Preloader
   ========================================================================== */

.pre {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: none;
  background: var(--paper);
  clip-path: inset(0 0 0 0);
  transition: clip-path 0.9s var(--ease-in-out);
}
/* Only ever shown by the pre-paint script, so the page is never blocked. */
html.intro-pending .pre { display: block; }
.pre.is-done { clip-path: inset(0 0 100% 0); }

.pre__inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding: clamp(1.25rem, 4vh, 2.75rem) var(--gutter) clamp(2rem, 5vh, 3.25rem);
}

.pre__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-faint);
}
.pre__mark { color: var(--ink); }
@media (max-width: 34rem) { .pre__place { display: none; } }

.pre__bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
}

.pre__count {
  display: flex;
  align-items: flex-start;
  font-family: var(--font-display);
  font-size: clamp(4rem, 1rem + 14vw, 11rem);
  font-weight: 600;
  line-height: 0.8;
  letter-spacing: -0.055em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.pre__pct {
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 0.6rem + 0.5vw, 1rem);
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink-faint);
  margin-left: 0.35rem;
  transform: translateY(0.35em);
}

/* Status line: the word swaps as loading progresses. */
.pre__status {
  position: relative;
  overflow: hidden;
  height: 1.5em;
  padding-bottom: 0.35rem;
  color: var(--ink-soft);
  text-align: right;
}
.pre__word { display: block; }
.pre__word.is-entering { animation: word-in 0.5s var(--ease) both; }
@keyframes word-in {
  from { opacity: 0; transform: translateY(100%); }
  to   { opacity: 1; transform: none; }
}
.pre__status.is-ready { color: var(--accent); }

.pre__track {
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--rule);
}
.pre__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--ink);
}
.pre__status.is-ready ~ * .pre__fill,
.pre.is-ready .pre__fill { background: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .pre { transition: opacity 0.2s linear; }
  .pre.is-done { clip-path: none; opacity: 0; }
  .pre__word.is-entering { animation: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--bar-h) + 2rem) clamp(5rem, 12vh, 8rem);
}
@media (max-width: 56rem) {
  /* Clear the floating dock. */
  .hero { padding-bottom: 6rem; }
}

.hero__inner {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
  width: 100%;
}
@media (min-width: 60rem) {
  .hero__inner { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); }
}

/* Name ------------------------------------------------------------------ */

.hero__name {
  font-family: var(--font-display);
  font-size: var(--t-display);
  font-weight: 600;
  line-height: 0.86;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.hero__line { display: block; overflow: hidden; }
.hero__line-in { display: block; will-change: transform; }

/* Animation is additive: this is the resting state, so no-JS is correct. */
html.intro-pending .hero .hero__line-in { transform: translateY(105%); }
.hero.is-revealing .hero__line-in {
  transform: translateY(0);
  transition: transform 0.95s var(--ease);
}
.hero.is-revealing .hero__line:nth-child(2) .hero__line-in {
  transition-delay: 0.09s;
}

.hero__rule { margin-bottom: clamp(1.25rem, 3vw, 2rem); }
html.intro-pending .hero .hero__rule { transform: scaleX(0); }
.hero.is-revealing .hero__rule {
  transform: scaleX(1);
  transition: transform 1s var(--ease) 0.35s;
}

.hero__role {
  font-size: var(--t-h3);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.hero__blurb {
  max-width: 34ch;
  color: var(--ink-soft);
  font-size: var(--t-body);
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.hero__status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

.hero__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2f9e5f;
  box-shadow: 0 0 0 0 rgba(47, 158, 95, 0.55);
  animation: pulse 2.4s var(--ease-in-out) infinite;
  flex: none;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(47, 158, 95, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(47, 158, 95, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 158, 95, 0); }
}

/* Fade the supporting copy up after the name lands. */
html.intro-pending .hero .hero__role,
html.intro-pending .hero .hero__blurb,
html.intro-pending .hero .hero__actions,
html.intro-pending .hero .hero__status,
html.intro-pending .hero .hero__scroll {
  opacity: 0;
  transform: translateY(1rem);
}
.hero.is-revealing .hero__role,
.hero.is-revealing .hero__blurb,
.hero.is-revealing .hero__actions,
.hero.is-revealing .hero__status,
.hero.is-revealing .hero__scroll {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease), transform 0.8s var(--ease);
}
.hero.is-revealing .hero__role    { transition-delay: 0.30s; }
.hero.is-revealing .hero__blurb   { transition-delay: 0.38s; }
.hero.is-revealing .hero__actions { transition-delay: 0.46s; }
.hero.is-revealing .hero__status  { transition-delay: 0.54s; }
.hero.is-revealing .hero__scroll  { transition-delay: 0.70s; }

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(1.25rem, 4vh, 2.5rem);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-faint);
  text-decoration: none;
}
.hero__scroll svg { animation: nudge 2.6s var(--ease-in-out) infinite; }
@keyframes nudge {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50%      { transform: translateY(4px); opacity: 1; }
}
@media (max-width: 60rem) { .hero__scroll { display: none; } }

/* ==========================================================================
   Code card: the one dark object on the page
   ========================================================================== */

.hero__code { position: relative; }

.code {
  position: relative;
  background: var(--code-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 1px rgba(20, 18, 12, 0.05),
              0 8px 20px -8px rgba(20, 18, 12, 0.18),
              0 30px 60px -30px rgba(20, 18, 12, 0.35);
}

html.intro-pending .hero .code { opacity: 0; transform: translateY(1.5rem) scale(0.985); }
.hero.is-revealing .code {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease) 0.1s, transform 0.9s var(--ease) 0.1s;
}

.code__chrome {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.7rem 0.95rem;
  background: var(--code-chrome);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.code__dots { display: flex; gap: 0.4rem; }
.code__dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #3b3944;
}
.code__dots i:first-child  { background: #e0655b; }
.code__dots i:nth-child(2) { background: #e0b04a; }
.code__dots i:last-child   { background: #5aa963; }
.code__file { color: var(--code-dim); letter-spacing: 0.04em; text-transform: none; }

.code__body {
  margin: 0;
  padding: clamp(1rem, 3vw, 1.6rem) clamp(0.9rem, 3vw, 1.6rem);
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 0.6rem + 0.45vw, 0.875rem);
  line-height: 1.85;
  color: var(--code-ink);
  /* Fixed floor so the card doesn't jolt the layout as lines are typed. */
  min-height: 16.5em;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: hidden;
  tab-size: 2;
}

.code__out { font: inherit; }
.tok-key  { color: var(--code-key); }
.tok-str  { color: var(--code-str); }
.tok-prop { color: var(--code-prop); }
.tok-punc { color: var(--code-punc); }

.code__caret {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: 0.06em;
  vertical-align: text-bottom;
  background: var(--code-ink);
  opacity: 0;
}
.code.is-typing .code__caret { opacity: 1; animation: blink 1.05s steps(1) infinite; }
.code.is-done .code__caret { opacity: 0.35; animation: blink 1.2s steps(1) infinite; }
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

/* Autocomplete flourish */
.code__ac {
  position: absolute;
  left: clamp(2.5rem, 9vw, 5.5rem);
  top: 58%;
  min-width: 13rem;
  padding: 0.3rem;
  background: #26252c;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 7px;
  box-shadow: 0 14px 30px -12px rgba(0, 0, 0, 0.6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0;
  transform: translateY(-4px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
}
.code__ac.is-on { opacity: 1; transform: none; }

.code__ac-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.28rem 0.5rem;
  border-radius: 4px;
  color: var(--code-dim);
  white-space: nowrap;
}
.code__ac-row.is-on { background: #35333d; color: var(--code-ink); }
.code__ac-kind {
  font-size: 0.6rem;
  font-style: normal;
  letter-spacing: 0.06em;
  color: var(--code-prop);
  opacity: 0.8;
}

@media (max-width: 40rem) {
  .code__ac { display: none; }
  .code__body { min-height: 17em; }
}