/* ============ MATTHEW GARVIN — PORTFOLIO ============ */
:root {
  --bg: #060608;
  --bg-2: #0c0c10;
  --ink: #ecebe6;
  --ink-dim: #aeada4; /* ~8:1 on --bg; headroom for the reduced-opacity supplementary text */
  --hairline: rgba(236, 235, 230, 0.12);
  --accent: #6e8bff;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --pad: clamp(1.25rem, 5vw, 5rem);
  --fs-micro: 0.75rem;   /* 12px — minimum readable label size; clears Wave "very small text" */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: var(--bg); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.mono { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.12em; text-transform: uppercase; }

/* keyboard focus — accent ring clears 3:1 against --bg */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* skip link — off-screen until focused */
.skip-link {
  position: fixed; top: 0; left: 0; z-index: 10000;
  transform: translateY(-130%);
  background: var(--ink); color: var(--bg);
  padding: 0.8rem 1.3rem;
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: 0.12em; text-transform: uppercase;
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); outline: 2px solid var(--accent); outline-offset: 2px; }

/* grain overlay */
.grain {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  pointer-events: none; z-index: 9000;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  /* static texture — the jittery translate animation was a motion-sickness trigger */
}

/* custom cursor (desktop only) */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  mix-blend-mode: difference;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.25s, height 0.25s, opacity 0.25s;
  opacity: 0;
}
body.cursor-on .cursor { opacity: 1; }
.cursor.is-hover { width: 56px; height: 56px; }
@media (hover: none), (max-width: 768px) { .cursor { display: none; } }

/* ============ NAV ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem var(--pad);
  z-index: 1000;
  background: rgba(6, 6, 8, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.nav__logo { font-weight: 700; font-size: 1.15rem; letter-spacing: 0.02em; }
.nav__logo sup { font-size: 0.65em; } /* ~12px against 1.15rem logo */
.nav__links { display: flex; gap: 2rem; }
.nav__links a {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: 0.14em; text-transform: uppercase;
  position: relative; opacity: 0.85;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__meta { opacity: 0.78; }
@media (max-width: 768px) {
  .nav__meta { display: none; }
  .nav__links { gap: 1.25rem; }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 6rem var(--pad) 8rem; /* bottom padding reserves space for the scroll indicator */
  overflow: hidden;
}
#webgl {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero__content { position: relative; z-index: 1; max-width: 1100px; }
.hero__eyebrow { color: var(--accent); margin-bottom: 1.5rem; }
.hero__title {
  font-size: clamp(2.6rem, 9vw, 7.5rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-transform: none;
  margin-bottom: 2rem;
}
.hero__title .accent { color: var(--accent); }
.line { display: block; overflow: hidden; }
.line > span { display: inline-block; will-change: transform; }
.hero__sub {
  max-width: 34rem;
  color: var(--ink-dim);
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  margin-bottom: 2.5rem;
}
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: 0.12em; text-transform: uppercase;
  transition: background 0.3s, color 0.3s, transform 0.3s;
}
.btn:hover { background: var(--accent); color: var(--bg); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--hairline); }
.btn--ghost:hover { border-color: var(--accent); background: transparent; color: var(--accent); }
.hero__scroll {
  position: absolute; bottom: 2rem; left: var(--pad);
  display: flex; align-items: center; gap: 0.8rem;
  color: var(--ink-dim); z-index: 1;
  pointer-events: none;
}
@media (max-height: 600px) { .hero__scroll { display: none; } }
.hero__scroll-bar {
  display: inline-block; width: 56px; height: 1px;
  background: var(--ink-dim); position: relative; overflow: hidden;
}
.hero__scroll-bar::after {
  content: ""; position: absolute; inset: 0;
  background: var(--ink);
  animation: scrollbar 2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes scrollbar {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}

/* ============ MARQUEE ============ */
.marquee {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 1rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee__track { display: inline-block; color: var(--ink-dim); will-change: transform; }
.marquee__track span { display: inline-block; padding-right: 0.5rem; }

/* ============ SECTIONS ============ */
section { padding: clamp(5rem, 12vw, 10rem) var(--pad); }
.section-label {
  display: flex; align-items: center; gap: 0.75rem;
  color: var(--ink-dim);
  margin-bottom: clamp(2rem, 5vw, 4rem);
}
.tick { display: inline-block; width: 28px; height: 1px; background: var(--accent); }

/* PHILOSOPHY */
.philosophy__statement {
  font-size: clamp(1.6rem, 4.2vw, 3.4rem);
  font-weight: 500; line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}
.split-words .w { display: inline-block; }
html.anim-ready .split-words .w { opacity: 0.22; transition: opacity 0.6s ease; }
html.anim-ready .split-words.in .w { opacity: 1; }
.philosophy__grid {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.philosophy__bio p { color: var(--ink-dim); max-width: 32rem; }
.philosophy__bio p + p { margin-top: 1.25rem; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.stat { background: var(--bg); padding: 1.6rem 1.4rem; }
.stat__num { display: block; font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 600; line-height: 1; color: var(--accent); }
.stat__label { display: block; margin-top: 0.6rem; color: var(--ink-dim); }
@media (max-width: 820px) { .philosophy__grid { grid-template-columns: 1fr; } }

/* WORK LIST */
.work__heading {
  font-size: clamp(2.4rem, 7vw, 6rem);
  font-weight: 600; line-height: 1.02; letter-spacing: -0.03em;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.work-list { display: flex; flex-direction: column; border-top: 1px solid var(--hairline); }
.work-item {
  display: grid;
  grid-template-columns: 4rem 1fr 16rem 3rem;
  gap: 1.5rem; align-items: center;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--hairline);
  position: relative;
  transition: padding-left 0.4s cubic-bezier(0.65, 0, 0.35, 1);
}
.work-item::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent);
  transform: scaleY(0);
  transition: transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
}
.work-item:hover { padding-left: 1.5rem; }
.work-item:hover::before { transform: scaleY(1); }
.work-item__index { color: var(--ink-dim); }
.work-item__title {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 600; letter-spacing: -0.02em; line-height: 1.1;
  transition: color 0.3s;
}
.work-item:hover .work-item__title { color: var(--accent); }
.work-item__org { color: var(--ink-dim); margin: 0.4rem 0 0.6rem; }
.work-item__desc { color: var(--ink-dim); font-size: 0.92rem; max-width: 36rem; }
.work-item__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: flex-end; }
.work-item__tags span {
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  color: var(--ink-dim);
  font-size: var(--fs-micro);
  white-space: nowrap;
}
.work-item__arrow {
  font-size: 1.5rem; color: var(--ink-dim);
  transition: transform 0.35s, color 0.35s;
}
.work-item:hover .work-item__arrow { transform: translateX(8px); color: var(--accent); }
@media (max-width: 900px) {
  .work-item { grid-template-columns: 2.6rem 1fr 2rem; }
  .work-item__tags { display: none; }
}
@media (max-width: 560px) {
  .work-item { grid-template-columns: 1fr 2rem; gap: 0.75rem; }
  .work-item__index { display: none; }
  .work-item:hover { padding-left: 0.9rem; }
}

/* CAPABILITIES */
.caps__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--hairline); border: 1px solid var(--hairline);
}
.cap { background: var(--bg); padding: 2rem 1.6rem 2.6rem; transition: background 0.35s; }
.cap:hover { background: var(--bg-2); }
.cap__title { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.8rem; }
.cap p { color: var(--ink-dim); font-size: 0.9rem; }
@media (max-width: 900px) { .caps__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .caps__grid { grid-template-columns: 1fr; } }

/* CONTACT */
.contact { text-align: left; }
.contact__big {
  display: block;
  font-size: clamp(3rem, 11vw, 9rem);
  font-weight: 600; line-height: 1.0; letter-spacing: -0.035em;
  transition: color 0.35s;
}
.contact__big em { font-style: normal; color: var(--accent); }
.contact__big:hover { color: var(--accent); }
.contact__big:hover em { color: var(--ink); }
.contact__email { margin-top: 2rem; color: var(--ink-dim); }

/* FOOTER */
.footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: 2rem var(--pad);
  border-top: 1px solid var(--hairline);
  color: var(--ink-dim);
}
.footer__links { display: flex; gap: 1.5rem; }
.footer__links a:hover { color: var(--ink); }
.footer__note { opacity: 0.78; }

/* ============ BACK TO TOP ============ */
.to-top {
  position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem);
  z-index: 9500; /* above grain (9000), below cursor (9999) */
  width: 46px; height: 46px; border-radius: 999px;
  display: grid; place-items: center;
  background: var(--ink); color: var(--bg);
  border: none; cursor: pointer;
  font-size: 1.15rem; line-height: 1;
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.25s;
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--accent); }
@media (max-width: 768px) { .to-top { width: 42px; height: 42px; } }
@media (prefers-reduced-motion: reduce) {
  .to-top { transition: opacity 0.001ms; transform: none; }
}

/* ============ CASE STUDY PAGES ============ */
.case-hero {
  min-height: 86svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-bottom: clamp(3rem, 7vw, 5rem);
  position: relative;
  background:
    radial-gradient(120% 90% at 80% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    var(--bg);
}
.case-hero__label { color: var(--accent); margin-bottom: 1.2rem; }
.case-hero__title {
  font-size: clamp(2.4rem, 7.5vw, 6.4rem);
  font-weight: 600; line-height: 1.02; letter-spacing: -0.03em;
  max-width: 14ch;
  margin-bottom: 1.6rem;
}
.case-hero__sub { color: var(--ink-dim); max-width: 36rem; font-size: clamp(0.95rem, 1.4vw, 1.12rem); }
.case-meta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--hairline);
  border: 1px solid var(--hairline);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
.case-meta__cell { background: var(--bg); padding: 1.2rem 1.3rem; }
.case-meta__cell .k { display: block; color: var(--ink-dim); margin-bottom: 0.5rem; }
.case-meta__cell .v { font-size: 0.95rem; line-height: 1.45; }
@media (max-width: 820px) { .case-meta { grid-template-columns: 1fr 1fr; } }

.case-section { border-top: 1px solid var(--hairline); }
.case-section__inner {
  display: grid; grid-template-columns: 16rem 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.case-section h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600; letter-spacing: -0.02em; line-height: 1.15;
  position: sticky; top: 6rem;
}
.case-body { max-width: 44rem; }
.case-body p { color: var(--ink-dim); }
.case-body p + p { margin-top: 1.2rem; }
.case-body strong { color: var(--ink); font-weight: 600; }
.case-body .pull {
  position: relative;
  padding: 0.2rem 0 0.2rem 2.4rem;
  margin: 2.4rem 0;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.35;
  color: var(--ink);
  font-weight: 500;
}
.case-body .pull::before {
  content: "\201C";
  position: absolute; left: 0; top: -0.12em;
  font-size: 2.6em; line-height: 1;
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
}
@media (max-width: 820px) {
  .case-section__inner { grid-template-columns: 1fr; }
  .case-section h2 { position: static; }
}

/* process steps */
.steps { counter-reset: step; display: flex; flex-direction: column; gap: 0; margin-top: 0.5rem; }
.step {
  border-top: 1px solid var(--hairline);
  padding: 1.8rem 0;
  display: grid; grid-template-columns: 3.4rem 1fr; gap: 1.2rem;
}
.step:last-child { border-bottom: 1px solid var(--hairline); }
.step__num { font-family: var(--font-mono); color: var(--accent); font-size: 0.8rem; padding-top: 0.3rem; }
.step h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.step p { color: var(--ink-dim); font-size: 0.94rem; }

/* outcome metrics */
.outcomes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); margin-top: 0.5rem; }
.outcome { background: var(--bg); padding: 1.8rem 1.4rem; }
.outcome__num { display: block; font-size: clamp(2rem, 4vw, 3rem); font-weight: 600; line-height: 1; color: var(--accent); letter-spacing: -0.02em; }
.outcome__label { display: block; margin-top: 0.7rem; color: var(--ink-dim); }
@media (max-width: 700px) { .outcomes { grid-template-columns: 1fr; } }

/* visual band */
.case-band {
  margin: 0 var(--pad);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  min-height: 280px;
  display: flex; align-items: center; justify-content: center;
  background:
    linear-gradient(transparent 31px, var(--hairline) 32px),
    linear-gradient(90deg, transparent 31px, var(--hairline) 32px);
  background-size: 32px 32px;
  position: relative; overflow: hidden;
}
.case-band__chip {
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  background: var(--bg);
}

/* next project footer */
.case-next {
  border-top: 1px solid var(--hairline);
  text-align: left;
}
.case-next .k { color: var(--ink-dim); margin-bottom: 1.2rem; display: block; }
.case-next__link {
  font-size: clamp(2.2rem, 7vw, 5.5rem);
  font-weight: 600; letter-spacing: -0.03em; line-height: 1.05;
  display: inline-block;
  transition: color 0.3s, transform 0.3s;
}
.case-next__link:hover { color: var(--accent); transform: translateX(10px); }

/* disclaimer */
.case-disclaimer { padding: 0 var(--pad) 3rem; color: var(--ink-dim); opacity: 0.8; max-width: 46rem; }

/* ============ SCROLLYTELLING ============
   Full-width diagram pins at the top; narrative beats scroll beneath it. The
   diagram stays large and legible the whole way; the active beat brightens and
   the figure emphasizes the relevant part (without hiding the rest). */
.scrolly { margin: clamp(3rem, 7vw, 5rem) var(--pad); position: relative; }
.scrolly .viz { margin: 0; } /* neutralize the standalone .viz page margin */
.scrolly__steps { display: flex; flex-direction: column; }
.scrolly__step { padding: 1.4rem 0; }
.scrolly__step .s-num {
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 0.6rem;
}
.scrolly__step h3 {
  font-size: clamp(1.2rem, 2.4vw, 1.7rem); font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 0.7rem;
}
.scrolly__step p { color: var(--ink-dim); max-width: 44rem; }

/* live-only: dim the inactive beats (JS off / reduced motion keeps all lit) */
.scrolly.is-live .scrolly__step { opacity: 0.65; transition: opacity 0.45s ease; } /* 0.65 keeps inactive steps de-emphasized but >=4.5:1 (a11y) */
.scrolly.is-live .scrolly__step.is-active { opacity: 1; }

@media (min-width: 821px) {
  .scrolly__viz {
    position: sticky; top: 5.5rem; z-index: 2;
    background: var(--bg); /* opaque so beats scroll cleanly underneath */
  }
  .scrolly__steps { position: relative; z-index: 1; padding-top: 1.5rem; }
  .scrolly__step {
    min-height: 56vh;
    display: flex; flex-direction: column; justify-content: center;
    max-width: 48rem;
  }
}
@media (max-width: 820px) {
  .scrolly__viz { margin-bottom: 1.6rem; }
}

/* reveal helpers — content is visible by default; motion is opt-in via `anim-ready`,
   which JS adds only when motion is allowed. JS off / reduced-motion = nothing hidden. */
/* transform-only reveal: text stays opacity:1 (always readable + Wave-safe;
   opacity:0 resting state reads as 1:1 contrast to auditors), still slides in. */
html.anim-ready .will-reveal { transform: translateY(12px); }
html.anim-ready .will-reveal.in {
  transform: none;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

@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;
    scroll-behavior: auto !important;
  }
  .grain, .hero__scroll-bar::after { animation: none; }
  .marquee__track { animation: none !important; transform: none !important; }
  html.anim-ready .will-reveal,
  html.anim-ready .reveal { opacity: 1 !important; transform: none !important; }
  html.anim-ready .split-words .w { opacity: 1 !important; }
}