/* ============================================================
   William Montiel — personal site
   Phase 1: skeleton. Monochrome, typography-first, white base.
   Color + motion ("wow" layer) come in a later phase.
   ============================================================ */

/* --- Reset (minimal) --------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

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

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

/* --- Design tokens ----------------------------------------- */
:root {
  /* Color — monochrome for now */
  --paper:            #ffffff;
  --ink:              #0a0a0a;
  --ink-soft:         #333333;
  --graphite:         #707070;
  --hairline:         #e6e6e6;
  --hairline-strong:  #cfcfcf;

  /* Type */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'Space Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Layout */
  --measure:  42rem;   /* comfortable reading column */
  --page-max: 68rem;

  /* Spacing scale */
  --s-1: .5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4rem;
  --s-7: 6rem;
  --s-8: 9rem;
}

/* --- Base -------------------------------------------------- */
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

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

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* --- Shared utility type ----------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: .28em;
  color: var(--graphite);
}

/* Underlined-on-hover link (no color, just an ink hairline) */
.link {
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 1px;
  transition: border-color .18s ease;
}
.link:hover,
.link:focus-visible { border-color: var(--ink); }

/* ============================================================
   HOME
   ============================================================ */
.home {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--s-6) var(--s-4) var(--s-8);
}

.home__name {
  max-width: 100%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.75rem, 11vw, 8rem);
  line-height: .95;
  letter-spacing: -.03em;
  overflow-wrap: break-word;
}

.home__role {
  max-width: 100%;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: clamp(.72rem, 2.4vw, .9rem);
  letter-spacing: .3em;
  color: var(--graphite);
  margin-top: var(--s-3);
}

.rule {
  border: 0;
  height: 1px;
  width: 3rem;
  background: var(--hairline-strong);
  margin: var(--s-5) auto;
}

.home__nav {
  max-width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1.1rem, 4vw, 2.6rem);
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: .82rem;
  letter-spacing: .18em;
}

.home__nav a {
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease;
}
.home__nav a:hover,
.home__nav a:focus-visible { border-color: var(--ink); }

.home__meta {
  position: absolute;
  bottom: var(--s-4);
  left: 0;
  right: 0;
  padding-inline: var(--s-3);
  text-align: center;
  font-family: var(--font-mono);
  font-size: clamp(.6rem, 2.6vw, .68rem);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--graphite);
}

/* --- CRT turn-on intro (Home only) ------------------------- */
/* Black screen → bright center line → expands vertically to reveal
   the white page, with a brightness flash that settles. Runs on
   every load. Pure CSS; disabled for reduced-motion users. */
body.is-home { background: #000; }

.crt-stage {
  min-height: 100svh;
  background: var(--paper);
  transform-origin: center center;
  will-change: transform, filter;
  animation: crt-on 950ms cubic-bezier(.16, 1, .3, 1) both;
}

@keyframes crt-on {
  0%   { transform: scaleY(0.004); filter: brightness(6) contrast(1.4); }
  12%  { transform: scaleY(0.004); filter: brightness(6) contrast(1.4); }
  55%  { transform: scaleY(1);     filter: brightness(2.4) contrast(1.1); }
  70%  { transform: scaleY(1);     filter: brightness(1.35); }
  100% { transform: scaleY(1);     filter: brightness(1) contrast(1); }
}

@media (prefers-reduced-motion: reduce) {
  body.is-home { background: var(--paper); }
  .crt-stage { animation: none; }
}

/* ============================================================
   INTERNAL PAGES
   ============================================================ */
.backlink {
  position: fixed;
  top: var(--s-4);
  left: var(--s-4);
  z-index: 10;
  font-family: var(--font-mono);
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--graphite);
  transition: color .18s ease;
}
.backlink:hover,
.backlink:focus-visible { color: var(--ink); }

.page {
  max-width: var(--measure);
  margin-inline: auto;
  padding: clamp(5rem, 13vh, 9rem) var(--s-4) var(--s-6);
}

.page__head + .prose,
.page__head + * { margin-top: clamp(2.5rem, 6vh, 4rem); }

.greeting {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--graphite);
  margin-bottom: var(--s-1);
}

.page__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 7vw, 4rem);
  line-height: 1;
  letter-spacing: -.02em;
}

.page__role {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: .8rem;
  letter-spacing: .22em;
  color: var(--graphite);
  margin-top: var(--s-2);
}

.page__head .eyebrow { margin-bottom: var(--s-3); }

/* --- Prose ------------------------------------------------- */
.prose p {
  color: var(--ink-soft);
  margin-bottom: var(--s-3);
}
.prose p:last-child { margin-bottom: 0; }

.prose h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  margin-top: var(--s-5);
  margin-bottom: var(--s-2);
}

/* --- Credo: the closing statement --------------------------- */
.credo {
  margin-top: clamp(3rem, 8vh, 5rem);
  padding-top: var(--s-4);
  border-top: 1px solid var(--hairline);
}
.credo__line {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 5.5vw, 3rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--ink);
}
.credo__note {
  margin-top: var(--s-2);
  color: var(--graphite);
  font-size: 1rem;
}

/* --- Experience / timeline (Professional Profile) --------- */
.entry {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  border-top: 1px solid var(--hairline);
}
.entry__period {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--graphite);
  padding-top: .2rem;
}
.entry__role { font-family: var(--font-display); font-weight: 600; }
.entry__org  { color: var(--graphite); }
.entry__desc { color: var(--ink-soft); margin-top: var(--s-1); }

/* Labelled highlights inside an experience entry */
.highlights {
  list-style: none;
  padding: 0;
  margin-top: var(--s-3);
  display: grid;
  gap: var(--s-3);
}
.highlight { color: var(--ink-soft); }
.highlight__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--graphite);
  margin-bottom: .35rem;
}

/* Independent projects (Professional Profile) */
.project-item {
  padding: var(--s-3) 0;
  border-top: 1px solid var(--hairline);
}
.project-item__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -.01em;
}
.project-item__tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--graphite);
  margin-top: .2rem;
}
.project-item__desc { color: var(--ink-soft); margin-top: var(--s-2); }

/* --- Tag list ---------------------------------------------- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: var(--s-2);
  list-style: none;
  padding: 0;
}
.tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-soft);
  border: 1px solid var(--hairline-strong);
  padding: .3rem .55rem;
}

/* --- Projects (Portfolio) ---------------------------------- */
.project {
  padding: var(--s-4) 0;
  border-top: 1px solid var(--hairline);
}
.project__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -.01em;
}
.project__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--graphite);
  margin-top: .35rem;
}
.project__desc { color: var(--ink-soft); margin-top: var(--s-2); }

/* --- Contact list ------------------------------------------ */
.contact-list { list-style: none; padding: 0; }
.contact-row {
  display: flex;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  border-top: 1px solid var(--hairline);
}
.contact-row__label {
  flex: 0 0 8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--graphite);
  padding-top: .15rem;
}
.contact-row__value { font-size: 1.05rem; }

/* --- Footer (shared on internal pages) --------------------- */
.site-foot {
  max-width: var(--measure);
  margin: var(--s-6) auto 0;
  padding: var(--s-4);
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--graphite);
  text-align: center;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .entry { grid-template-columns: 1fr; gap: var(--s-1); }
  .contact-row { flex-direction: column; gap: .25rem; }
  .contact-row__label { flex-basis: auto; }
  .backlink { top: var(--s-3); left: var(--s-3); }
}