/* =============================================================
   William Morin — portfolio
   Indie / terminal-flavoured. Single stylesheet.
   Everything themeable lives in :root below — change --accent and
   the whole site re-themes.
   ============================================================= */

/* ----------  Design tokens  ---------- */
:root {
  /* Color — pure-black base, one warm accent */
  --bg:            #000000;
  --bg-elevated:   #0a0a0a;
  --surface:       #0b0b0b;
  --surface-hover: #101010;

  --border:        rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.20);
  --border-dashed: rgba(255, 255, 255, 0.14);

  --text:          #f4f4f4;   /* primary text */
  --text-muted:    #b4b4b4;   /* secondary text, still high-contrast */
  --text-dim:      #777777;   /* quiet metadata */

  --accent:        #e6b450;   /* warm amber — try #7ee787 (green) or #6ea8fe (blue) */
  --accent-ink:    #000000;   /* text on accent fills */
  --accent-soft:   rgba(230, 180, 80, 0.12);
  --accent-glow:   rgba(230, 180, 80, 0.30);

  /* Typography — system fonts only, no downloads.
     Mono carries the "indie" character; sans is used only for body copy. */
  --font-mono: ui-monospace, "Cascadia Code", "Cascadia Mono", "JetBrains Mono",
               "SFMono-Regular", "Segoe UI Mono", Menlo, Consolas, monospace;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Fluid type scale */
  --fs-hero:  clamp(2.5rem, 8vw, 5.25rem);
  --fs-h2:    clamp(1.6rem, 4vw, 2.4rem);
  --fs-h3:    1.15rem;
  --fs-lead:  clamp(1.05rem, 2.2vw, 1.35rem);
  --fs-body:  1rem;
  --fs-small: 0.8125rem;
  --fs-label: 0.75rem;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 7rem;

  /* Layout */
  --max-width:  64rem;
  --gutter:     clamp(1.25rem, 5vw, 3rem);
  --nav-height: 4.25rem;

  /* Radius / motion — small radii = crisper, more "indie" */
  --radius:    6px;
  --radius-sm: 4px;

  --ease:       cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 220ms var(--ease);

  --z-grain:  1;
  --z-nav:    50;
  --z-cursor: 100;
}

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

* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;   /* dark theme by default (scrollbars, form controls) */
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; padding: 0; }

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

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

/* ----------  Helpers  ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.accent { color: var(--accent); }

/* Monospace meta label, e.g. "// stack" */
.label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--accent);
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  transform: translateY(-150%);
  transition: transform var(--transition);
}
.skip-link:focus { transform: translateY(0); }

/* ----------  Grain overlay  ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: screen;
}
.grain svg { width: 100%; height: 100%; }

/* ----------  Custom block cursor  ---------- */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--accent);
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate3d(-100px, -100px, 0);
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity 250ms ease, width 180ms var(--ease), height 180ms var(--ease);
}
.cursor.is-active { opacity: 1; }
.cursor.is-hovering { width: 28px; height: 28px; opacity: 0.55; }

/* ----------  Reveal on scroll  ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 650ms var(--ease) var(--reveal-delay, 0ms),
    transform 650ms var(--ease) var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* =============================================================
   NAV
   ============================================================= */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}
.nav.is-scrolled {
  background: rgba(0, 0, 0, 0.65);
  border-bottom-color: var(--border);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.nav__brand-mark {
  color: var(--accent);
  font-weight: 600;
}
.nav__brand-name { color: var(--text); }

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav__link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
  padding-block: var(--space-2);
}
.nav__link::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav__link:hover { color: var(--text); }
.nav__link.is-active { color: var(--accent); }
.nav__link.is-active::before { transform: scaleX(1); }

/* Hamburger (mobile only) */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 9px;
}
.nav__toggle-bar {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}
.nav.is-open .nav__toggle-bar:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
.nav.is-open .nav__toggle-bar:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--nav-height) var(--space-8);
  overflow: hidden;
}

/* Subtle dot-grid + amber glow — CSS only, no images */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(34rem 34rem at 25% 28%, var(--accent-soft), transparent 62%),
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: auto, 26px 26px;
  background-position: center, center;
  mask-image: radial-gradient(120% 80% at 30% 35%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(120% 80% at 30% 35%, #000 35%, transparent 100%);
  animation: bgdrift 26s ease-in-out infinite alternate;
}
@keyframes bgdrift {
  0%   { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(2%, 1.5%, 0); }
}

.hero__content { position: relative; z-index: 1; }

.hero__prompt {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text-muted);
  margin-bottom: var(--space-5);
}
.hero__prompt-sign { color: var(--accent); }

.hero__title {
  font-family: var(--font-mono);
  font-size: var(--fs-hero);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

/* Blinking block caret after the name */
.caret {
  display: inline-block;
  width: 0.55ch;
  height: 0.92em;
  margin-left: 0.12em;
  background: var(--accent);
  vertical-align: -0.08em;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink {
  0%, 50%      { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

.hero__role {
  max-width: 38ch;
  margin-top: var(--space-5);
  font-size: var(--fs-lead);
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-7);
}

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: var(--space-6);
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--text-dim);
  transition: color var(--transition);
}
.hero__scroll:hover { color: var(--accent); }
.hero__scroll-arrow { animation: bob 1.8s ease-in-out infinite; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

/* ----------  Buttons (mono, bracket-ish)  ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition),
              border-color var(--transition), color var(--transition);
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}
.btn--primary:hover { background: #f0c469; }

.btn--ghost {
  border-color: var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* =============================================================
   SECTION SCAFFOLD
   ============================================================= */
.section { padding-block: var(--space-9); }

.section__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
  padding-bottom: var(--space-4);
  border-bottom: 1px dashed var(--border-dashed);
}
.section__head--center {
  justify-content: center;
  text-align: center;
  border-bottom: none;
}
.section__index {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--accent);
}
.section__title {
  font-family: var(--font-mono);
  font-size: var(--fs-h2);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* =============================================================
   ABOUT
   ============================================================= */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}
.about__bio {
  display: grid;
  gap: var(--space-4);
  max-width: 60ch;
  color: var(--text-muted);
  font-size: 1.05rem;
}
.about__skills .label { margin-bottom: var(--space-4); }

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.pill {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text);
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: border-color var(--transition), color var(--transition);
}
.pill::before { content: "+ "; color: var(--text-dim); }
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill:hover::before { color: var(--accent); }

/* =============================================================
   PROJECTS / CARDS
   ============================================================= */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition),
              box-shadow var(--transition), background var(--transition);
}
.card:hover {
  transform: translateY(-5px);
  background: var(--surface-hover);
  border-color: var(--accent);
  box-shadow:
    0 16px 36px -22px rgba(0, 0, 0, 0.9),
    0 0 0 1px var(--accent-soft),
    0 0 26px -10px var(--accent-glow);
}

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.card__index {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text-dim);
}
.card__title {
  font-family: var(--font-mono);
  font-size: var(--fs-h3);
  font-weight: 600;
}
.card__links { display: flex; gap: var(--space-4); }
.card__link {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text-muted);
  transition: color var(--transition);
}
.card__link:hover { color: var(--accent); }

.card__desc { color: var(--text-muted); font-size: 0.95rem; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}
.tag {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--text-dim);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.tag::before { content: "#"; opacity: 0.6; }

/* =============================================================
   EXPERIENCE / TIMELINE
   ============================================================= */
.timeline { display: grid; gap: var(--space-6); }
.timeline__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding-left: var(--space-5);
  border-left: 1px solid var(--border);
  position: relative;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 7px;
  width: 7px;
  height: 7px;
  background: var(--accent);   /* square node = terminal vibe */
  box-shadow: 0 0 0 4px var(--bg);
}
.timeline__role {
  font-family: var(--font-mono);
  font-size: var(--fs-h3);
  font-weight: 600;
}
.timeline__company {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
}
.timeline__points {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: 0.95rem;
}
.timeline__points li { position: relative; padding-left: var(--space-4); }
.timeline__points li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-dim);
}

/* =============================================================
   CONTACT
   ============================================================= */
.section--contact { padding-block: var(--space-9) var(--space-8); }
.contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.contact__lead {
  max-width: 42ch;
  color: var(--text-muted);
  font-size: var(--fs-lead);
  margin-bottom: var(--space-6);
}
.contact__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}
.contact__link {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text);
  padding: 0.7rem 1.25rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), transform var(--transition);
}
.contact__link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-6);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (min-width: 48rem) {
  .about__grid {
    grid-template-columns: 1.6fr 1fr;
    gap: var(--space-8);
  }
  .cards { grid-template-columns: repeat(3, 1fr); }
  .timeline {
    border-left: 1px solid var(--border);
    padding-left: var(--space-6);
  }
  .timeline__item {
    grid-template-columns: 11rem 1fr;
    gap: var(--space-5);
    border-left: none;
    padding-left: 0;
  }
  .timeline__item::before { left: calc(-1 * var(--space-6) - 4px); }
}

/* Mobile nav */
@media (max-width: 47.99rem) {
  .nav__toggle { display: flex; }

  .nav__menu {
    position: fixed;
    inset: var(--nav-height) 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-5) var(--gutter) var(--space-6);
    background: rgba(0, 0, 0, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }
  .nav.is-open .nav__menu {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__link { font-size: 1rem; width: 100%; }
}

/* Hide custom cursor on touch / coarse pointers */
@media (hover: none), (pointer: coarse) {
  .cursor { display: none; }
}

/* =============================================================
   REDUCED MOTION — disable motion, reveal everything
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .cursor { display: none; }
  .caret { opacity: 1; }
}