/* ============================================================
   HITL Labs — warm, mission-driven editorial
   palette: sunny paper · warm ink · moss green · marigold
   ============================================================ */

:root {
  --color-surface: oklch(96.8% 0.022 90);
  --color-surface-raised: oklch(98.6% 0.013 90);
  --color-ink: oklch(25% 0.02 80);
  --color-ink-soft: oklch(43% 0.026 85);
  --color-green: oklch(45% 0.085 150);
  --color-green-deep: oklch(37% 0.078 150);
  --color-green-wash: oklch(45% 0.085 150 / 0.09);
  --color-gold: oklch(78% 0.13 82);
  --color-gold-deep: oklch(56% 0.115 72);
  --color-gold-wash: oklch(78% 0.13 82 / 0.16);
  --color-hairline: oklch(25% 0.02 80 / 0.16);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Archivo", "Helvetica Neue", sans-serif;

  --text-base: clamp(1.02rem, 0.95rem + 0.3vw, 1.15rem);
  --text-hero: clamp(2.6rem, 1.2rem + 5vw, 5rem);
  --text-h2: clamp(1.8rem, 1.25rem + 2vw, 3rem);

  --space-section: clamp(5rem, 3.5rem + 6vw, 10rem);
  --content-width: 70rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 18px;

  --duration-fast: 180ms;
  --duration-slow: 700ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { overflow-x: clip; }

body {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: oklch(78% 0.13 82 / 0.4); }

a { color: inherit; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---- grain texture ---- */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 10;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- the mark (shared) ----
   Broken loop; a little person completes the circle. */
.mark-loop {
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 76 24;
  stroke-dashoffset: -2;
  transform-origin: center;
}

.mark-person circle { fill: var(--color-gold-deep); }

.mark-person path { fill: var(--color-gold-deep); }

/* ============ header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--gutter);
  background: oklch(96.8% 0.022 90 / 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-hairline);
}

.lockup {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.mark { width: 32px; height: 32px; }

.lockup:hover .mark-loop { animation: loop-spin 1.4s var(--ease-out-expo); }

@keyframes loop-spin {
  from { transform: rotate(-120deg); }
  to   { transform: rotate(0deg); }
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.wordmark em {
  font-style: italic;
  font-weight: 400;
  color: var(--color-ink-soft);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2.2vw, 1.8rem);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--color-ink-soft);
  padding-bottom: 0.15em;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.site-nav a:hover {
  color: var(--color-ink);
  border-color: var(--color-gold);
}

.site-nav .nav-cta {
  color: var(--color-surface-raised);
  background: var(--color-green-deep);
  border: 1.5px solid var(--color-green-deep);
  border-radius: 999px;
  padding: 0.45em 1.05em;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.site-nav .nav-cta:hover {
  background: transparent;
  color: var(--color-green-deep);
}

@media (max-width: 760px) {
  .site-nav a:not(.nav-cta) { display: none; }
}

/* ============ shared section shell ============ */
main > section, main > aside {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-gold-deep);
  margin-bottom: 1.2rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem 3rem;
  flex-wrap: wrap;
  margin-bottom: clamp(2.2rem, 5vh, 3.6rem);
}

h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  max-width: 24ch;
}

h2 em { font-style: italic; color: var(--color-green); }

.section-head p {
  max-width: 36ch;
  color: var(--color-ink-soft);
}

/* ============ hero ============ */
.hero {
  position: relative;
  min-height: calc(100svh - 4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(2rem, 5vh, 4rem) 5.5rem;
}

.hero-glow {
  position: absolute;
  top: -15%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  max-width: 640px;
  max-height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle,
    oklch(80% 0.12 85 / 0.4) 0%,
    oklch(80% 0.12 85 / 0) 65%);
  pointer-events: none;
}

.hero-mark {
  position: absolute;
  top: 50%;
  transform: translateY(-52%);
  right: calc(var(--gutter) * 0.25);
  width: clamp(15rem, 30vw, 26rem);
  height: auto;
  pointer-events: none;
}

.hero-mark .mark-loop {
  stroke-width: 1.1;
  stroke: oklch(25% 0.02 80 / 0.28);
  animation: loop-draw 1.6s var(--ease-out-expo) both;
}

.hero-mark .mark-person circle { fill: oklch(56% 0.115 72 / 0.75); }
.hero-mark .mark-person path { fill: oklch(56% 0.115 72 / 0.75); }

@keyframes loop-draw {
  from { stroke-dashoffset: 74; }
  to   { stroke-dashoffset: -2; }
}

@media (max-width: 900px) {
  .hero-mark { display: none; }
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-green-deep);
  margin-bottom: clamp(1.6rem, 4vh, 2.8rem);
}

.defn { font-family: var(--font-display); font-weight: 400; }

.defn-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.defn-word {
  font-size: var(--text-hero);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.defn-ipa, .defn-pos {
  font-size: clamp(0.95rem, 0.8rem + 0.5vw, 1.25rem);
  color: var(--color-ink-soft);
}

.defn-ipa { font-family: var(--font-body); }
.defn-pos { font-style: italic; }

.defn-body {
  display: block;
  margin-top: 1.3rem;
  font-size: clamp(1.3rem, 1rem + 1.4vw, 2.1rem);
  line-height: 1.38;
  max-width: 30ch;
}

.defn-body strong { font-weight: 600; }

/* hand-drawn circle around a word */
.circled {
  position: relative;
  font-style: italic;
  color: var(--color-green-deep);
  white-space: nowrap;
}

.circled svg {
  position: absolute;
  inset: -0.32em -0.42em -0.38em -0.42em;
  width: calc(100% + 0.84em);
  height: calc(100% + 0.7em);
  overflow: visible;
  pointer-events: none;
}

.circled svg path {
  fill: none;
  stroke: var(--color-gold-deep);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 560;
  stroke-dashoffset: 560;
  animation: circle-draw 1.1s 0.9s var(--ease-out-expo) forwards;
}

@keyframes circle-draw { to { stroke-dashoffset: 0; } }

.hero-sub {
  margin-top: clamp(1.8rem, 3.5vh, 2.6rem);
  max-width: 46ch;
  color: var(--color-ink-soft);
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.25rem);
}

.hero-scroll {
  position: absolute;
  bottom: clamp(1.2rem, 4vh, 2.5rem);
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border: 1.5px solid var(--color-hairline);
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.15rem;
  color: var(--color-green-deep);
  animation: drift 2.6s ease-in-out infinite;
  transition: border-color var(--duration-fast), background var(--duration-fast);
}

.hero-scroll:hover {
  border-color: var(--color-gold-deep);
  background: var(--color-gold-wash);
}

@keyframes drift {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(7px); }
}

/* ============ the moment (stats) ============ */
.reality { padding-block: var(--space-section); }

.reality h2 { margin-bottom: clamp(2rem, 4vh, 3rem); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1px;
  background: var(--color-hairline);
  border-block: 1px solid var(--color-hairline);
}

.stat {
  background: var(--color-surface);
  padding: clamp(1.4rem, 3vw, 2.2rem) clamp(1.2rem, 2.5vw, 2rem);
}

.stat dd {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 1.6rem + 3vw, 4.2rem);
  font-weight: 600;
  line-height: 1;
  color: var(--color-green-deep);
}

.stat dt {
  margin-top: 0.6rem;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  max-width: 24ch;
}

.stats-source {
  margin-top: 0.9rem;
  font-size: 0.8rem;
  color: var(--color-ink-soft);
}

.stats-source a { color: var(--color-green-deep); }

.reality-note {
  margin-top: clamp(1.8rem, 4vh, 2.8rem);
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.8rem);
  color: var(--color-ink);
  max-width: 34ch;
}

/* ============ problems ============ */
.problems { padding-bottom: var(--space-section); }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: clamp(1.1rem, 2.5vw, 1.8rem);
}

.problem {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.2rem);
  transition: transform var(--duration-slow) var(--ease-out-expo),
              box-shadow var(--duration-slow) var(--ease-out-expo),
              border-color var(--duration-fast);
}

.problem:hover {
  transform: translateY(-4px);
  border-color: oklch(78% 0.13 82 / 0.7);
  box-shadow: 0 16px 40px -20px oklch(25% 0.02 80 / 0.3);
}

.problem h3 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.02rem + 0.6vw, 1.5rem);
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: 0.8rem;
}

.problem p {
  color: var(--color-ink-soft);
  font-size: 0.97rem;
}

.problem p em { color: var(--color-ink); }

.problem code {
  font-size: 0.85em;
  background: var(--color-gold-wash);
  padding: 0.1em 0.4em;
  border-radius: 6px;
}

/* ============ services ============ */
.services { padding-bottom: var(--space-section); }

.service {
  display: grid;
  grid-template-columns: minmax(3.5rem, 7rem) 1fr;
  gap: 1rem 2rem;
  padding-block: clamp(1.8rem, 3.5vh, 2.8rem);
  border-top: 1px dotted var(--color-hairline);
}

.service:last-of-type { border-bottom: 1px dotted var(--color-hairline); }

.service-num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem);
  font-style: italic;
  color: var(--color-gold-deep);
  line-height: 1;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.service:hover .service-num { transform: translateX(0.5rem); }

.service h3 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
  font-weight: 500;
  margin-bottom: 0.7rem;
}

.service p { max-width: 58ch; color: var(--color-ink-soft); }

.service-note {
  margin-top: 0.8rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-green-deep);
}

.service-note a { color: inherit; }

@media (max-width: 560px) {
  .service { grid-template-columns: 1fr; gap: 0.8rem; }
}

/* ============ pro bono ============ */
.probono { padding-bottom: var(--space-section); }

.probono-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1.2rem, 3vw, 2.5rem);
  padding: clamp(1.6rem, 3.5vw, 3rem);
  background: var(--color-gold-wash);
  border: 1.5px solid oklch(56% 0.115 72 / 0.4);
  border-radius: var(--radius);
}

.probono-mark { width: clamp(3rem, 6vw, 4.5rem); height: auto; flex-shrink: 0; }

.probono-mark .mark-loop { stroke-width: 2.4; }

.probono-card h2 {
  font-size: clamp(1.3rem, 1.05rem + 1vw, 1.9rem);
  margin-bottom: 0.5rem;
}

.probono-card p { color: var(--color-ink-soft); max-width: 52ch; }

.probono-card strong { color: var(--color-ink); }

.probono-cta {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 1rem + 0.6vw, 1.5rem);
  color: var(--color-green-deep);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid oklch(45% 0.085 150 / 0.4);
  padding-bottom: 0.1em;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.probono-cta:hover { color: var(--color-ink); border-color: var(--color-ink); }

@media (max-width: 760px) {
  .probono-card { grid-template-columns: 1fr; }
  .probono-mark { display: none; }
}

/* ============ how (principles) ============ */
.how { padding-bottom: var(--space-section); }

.principles {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem) clamp(2.5rem, 5vw, 5rem);
  counter-reset: principle;
}

.principles li {
  counter-increment: principle;
  position: relative;
  padding-top: 1.1rem;
  border-top: 1px dotted var(--color-hairline);
}

.principles li::before {
  content: "0" counter(principle);
  position: absolute;
  top: 0.9rem;
  right: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2.2rem, 1.6rem + 2.4vw, 4rem);
  line-height: 1;
  color: oklch(56% 0.115 72 / 0.28);
  pointer-events: none;
}

.principles h3 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.6rem);
  font-weight: 500;
  max-width: 18ch;
  margin-bottom: 0.7rem;
}

.principles p {
  color: var(--color-ink-soft);
  max-width: 44ch;
  font-size: 0.98rem;
}

@media (max-width: 700px) {
  .principles { grid-template-columns: 1fr; }
}

/* ============ who ============ */
.who { padding-bottom: var(--space-section); }

.who-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.who-text h2 { margin-bottom: 1.4rem; }

.who-text p { color: var(--color-ink-soft); max-width: 54ch; }

.who-text p + p { margin-top: 1.1rem; }

.who-skills {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-top: 0.5rem;
}

.who-skills li {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-green-deep);
  background: var(--color-green-wash);
  border: 1px solid oklch(45% 0.085 150 / 0.3);
  border-radius: 999px;
  padding: 0.45em 1em;
}

@media (max-width: 760px) {
  .who-inner { grid-template-columns: 1fr; }
}

/* ============ outro / contact ============ */
.outro {
  text-align: center;
  padding-bottom: var(--space-section);
}

.outro-mark { width: 48px; height: 48px; margin-bottom: 1.6rem; }

.outro h2 { margin-inline: auto; margin-bottom: 1.1rem; }

.outro p { max-width: 44ch; margin-inline: auto; color: var(--color-ink-soft); }

.outro-mail {
  display: inline-block;
  margin-top: 2rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 1rem + 2vw, 2.4rem);
  text-decoration: none;
  color: var(--color-green-deep);
  border-bottom: 2px solid oklch(45% 0.085 150 / 0.35);
  padding-bottom: 0.15em;
  transition: border-color var(--duration-fast), color var(--duration-fast);
}

.outro-mail:hover { color: var(--color-ink); border-color: var(--color-ink); }

.outro-probono { margin-top: 1.8rem; font-size: 0.92rem; }

.outro-probono a { color: var(--color-green-deep); font-weight: 500; }

/* ============ footer ============ */
.site-footer {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: var(--content-width);
  margin-inline: auto;
  padding: 2rem var(--gutter) 2.5rem;
  border-top: 1px solid var(--color-hairline);
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

.footer-defn { font-family: var(--font-display); font-style: italic; }

.footer-defn span { font-family: var(--font-body); font-style: normal; font-size: 0.78rem; }

/* ============ reveal-on-scroll ============ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-scroll { animation: none; }
  .lockup:hover .mark-loop { animation: none; }
  .hero-mark .mark-loop { animation: none; }
  .circled svg path { animation: none; stroke-dashoffset: 0; }
}