/* Andy Hooper — Personal page, Apple design language.
   System font, size-specific tracking, translucent chrome, restraint.
   One accent: Andy gold. Springs only where a gesture earns them. */

:root {
  --ink: #1d1d1f;
  --ink-dim: #6e6e73;
  --paper: #ffffff;
  --paper-tint: #f5f5f7;
  --dark: #0b0b0d;
  --dark-2: #161618;
  --gold: #c8932e;
  --gold-bright: #dea83e;
  --radius: 18px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 52px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.47;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 0.6em 1em; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------------------------------------------------------------- nav
   Translucent material: content scrolls underneath. */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
}
.nav::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -14px; height: 14px;
  background: linear-gradient(rgba(0,0,0,0.045), transparent);
  opacity: 0; transition: opacity 300ms ease;
  pointer-events: none;
}
.nav.is-scrolled::after { opacity: 1; }
.nav__inner {
  max-width: 1024px; margin: 0 auto; height: var(--nav-h);
  display: flex; align-items: center; gap: 28px; padding: 0 22px;
}
.nav__brand { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.nav__links { display: flex; gap: 24px; margin-left: auto; }
.nav__links a {
  font-size: 13px; color: rgba(29,29,31,0.72); letter-spacing: 0.005em;
  transition: color 160ms ease;
}
.nav__links a:hover { color: var(--ink); }
.nav__cta {
  font-size: 13px; font-weight: 500; color: #fff;
  background: var(--ink); border-radius: 980px; padding: 7px 16px;
  transition: transform 100ms ease-out, background 160ms ease;
}
.nav__cta:hover { background: #000; }
.nav__cta:active { transform: scale(0.97); }
@media (max-width: 760px) { .nav__links { display: none; } .nav__cta { margin-left: auto; } }
@media (prefers-reduced-transparency: reduce) {
  .nav { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; }
}

/* ---------------------------------------------------------------- type
   Tracking is size-specific: tighten as it grows. */
h1, h2, h3 { font-weight: 600; }
.hero__title {
  font-size: clamp(44px, 7.2vw, 88px);
  line-height: 1.03;
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}
h3 { font-size: 21px; line-height: 1.2; letter-spacing: -0.01em; }
.dim { color: var(--ink-dim); }
.kicker {
  font-size: 14px; font-weight: 600; letter-spacing: 0.01em;
  color: var(--ink-dim); margin-bottom: 14px;
}
.kicker--gold { color: var(--gold); }

/* ---------------------------------------------------------------- hero */
.hero {
  max-width: 820px; margin: 0 auto;
  padding: calc(var(--nav-h) + 96px) 22px 84px;
  text-align: center;
}
.hero__eyebrow { font-size: 15px; color: var(--ink-dim); margin-bottom: 18px; }
.hero__sub {
  font-size: clamp(19px, 2.2vw, 24px); line-height: 1.4;
  color: var(--ink-dim); max-width: 620px; margin: 26px auto 0;
  letter-spacing: -0.005em;
}
.hero__actions { display: flex; gap: 14px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }

/* buttons — pill, instant press feedback */
.btn {
  display: inline-block; border-radius: 980px;
  font-size: 17px; letter-spacing: -0.005em;
  padding: 12px 24px;
  transition: transform 100ms ease-out, background 180ms ease, color 180ms ease;
}
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--gold); color: #fff; font-weight: 500; }
.btn--primary:hover { background: var(--gold-bright); }
.btn--quiet { color: var(--gold); }
.btn--quiet:hover { text-decoration: underline; }
.btn--large { font-size: 19px; padding: 15px 30px; }

/* ---------------------------------------------------------------- full-bleed imagery */
.bleed { position: relative; overflow: hidden; }
.bleed img { width: 100%; height: min(92vh, 900px); object-fit: cover; }
.bleed--short img { height: min(62vh, 560px); }
.bleed__caption {
  position: absolute; inset: auto 0 0 0;
  padding: 120px 22px 56px;
  background: linear-gradient(transparent, rgba(0,0,0,0.55));
  text-align: center;
}
.bleed__caption--light { color: #fff; }
.bleed__kicker { font-size: 14px; font-weight: 600; opacity: 0.85; margin-bottom: 8px; }
.bleed__line {
  font-size: clamp(26px, 3.6vw, 44px); font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.1;
}
.bleed__line--small { font-size: clamp(20px, 2.6vw, 30px); font-weight: 500; }

/* ---------------------------------------------------------------- montage
   Contained rounded tiles on white; images as objects, never cropped strips. */
.montage-section { padding: 40px 22px 96px; }
.montage-section__title {
  text-align: center; margin: 0 auto 44px; max-width: 720px;
}
.montage {
  max-width: 1100px; margin: 0 auto;
  display: grid; gap: 14px;
}
.montage--three {
  grid-template-columns: 5fr 4fr;
  grid-auto-rows: clamp(180px, 24vw, 320px);
}
.montage--three .montage__tile--tall { grid-row: 1 / 3; }
.montage--two {
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: clamp(220px, 30vw, 420px);
}
.montage__tile {
  border-radius: 24px; overflow: hidden; margin: 0;
  background: var(--paper-tint);
  min-height: 0;
}
.montage__tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 700px) {
  .montage--three { grid-template-columns: 1fr; grid-auto-rows: 64vw; }
  .montage--three .montage__tile--tall { grid-row: auto; }
  .montage--two { grid-template-columns: 1fr; grid-auto-rows: 60vw; }
}

/* ---------------------------------------------------------------- stats */
.stats { background: var(--paper); }
.stats__inner {
  max-width: 1024px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  padding: 72px 22px;
  text-align: center;
}
.stat strong {
  display: block; font-size: clamp(38px, 4.4vw, 56px); font-weight: 600;
  letter-spacing: -0.02em; line-height: 1;
}
.stat span { display: block; margin-top: 10px; font-size: 14px; color: var(--ink-dim); line-height: 1.35; }
@media (max-width: 700px) { .stats__inner { grid-template-columns: repeat(2, 1fr); row-gap: 44px; } }

/* ---------------------------------------------------------------- sections */
.section { padding: 110px 22px; }
.section__head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section__lede {
  font-size: clamp(18px, 2vw, 21px); color: var(--ink-dim);
  margin-top: 20px; line-height: 1.45; letter-spacing: -0.005em;
}
.section__cta { text-align: center; margin-top: 48px; font-size: 19px; }
.section__cta a { color: var(--gold); font-weight: 500; }
.section__cta a:hover { text-decoration: underline; }
.section__note {
  max-width: 560px; margin: 44px auto 0; text-align: center;
  font-size: 14px; color: var(--ink-dim);
}
.section--tint { background: var(--paper-tint); }

/* dark section — STEMS */
.section--dark { background: var(--dark); color: #f5f5f7; }
.section--dark .section__lede { color: rgba(245,245,247,0.66); }
.section--dark .section__note { color: rgba(245,245,247,0.5); }
.section--dark .dim { color: rgba(245,245,247,0.55); }

/* ---------------------------------------------------------------- cards */
.cards {
  max-width: 1024px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
}
.card {
  background: var(--paper-tint); border-radius: var(--radius);
  padding: 34px 30px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-dim); font-size: 16px; }
@media (max-width: 700px) { .cards { grid-template-columns: 1fr; } }

.cards--results { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .cards--results { grid-template-columns: 1fr; } }
.card--result { display: flex; flex-direction: column; gap: 14px; }
.card__figure {
  font-size: 56px; font-weight: 600; letter-spacing: -0.025em; line-height: 1;
  color: var(--ink);
}
.card--result footer { margin-top: auto; font-size: 14px; color: var(--ink-dim); }
.card--gold { background: #faf3e4; }
.card--gold .card__figure { color: var(--gold); }

/* ---------------------------------------------------------------- STEMS pillars */
.pillars { max-width: 900px; margin: 0 auto; }
.pillars__list {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 34px;
}
.pillars__list button {
  font: inherit; font-size: 15px; font-weight: 500; letter-spacing: -0.005em;
  color: rgba(245,245,247,0.6);
  background: rgba(255,255,255,0.06);
  border: none; border-radius: 980px; padding: 10px 20px; cursor: pointer;
  transition: transform 100ms ease-out, background 200ms ease, color 200ms ease;
}
.pillars__list button span { opacity: 0.5; margin-right: 7px; font-size: 12px; }
.pillars__list button:hover { background: rgba(255,255,255,0.1); color: #fff; }
.pillars__list button:active { transform: scale(0.96); }
.pillars__list button[aria-selected="true"] { background: var(--gold); color: #fff; }
.pillars__list button[aria-selected="true"] span { opacity: 0.75; }

.pillars__panel {
  background: var(--dark-2); border-radius: 24px;
  padding: 48px 44px; text-align: center;
  min-height: 240px;
}
.pillars__step { font-size: 13px; color: var(--gold); font-weight: 600; margin-bottom: 12px; }
.pillars__panel h3 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -0.015em; margin-bottom: 12px; }
.pillars__panel > p[data-body] {
  color: rgba(245,245,247,0.66); max-width: 520px; margin: 0 auto;
}
.pillars__outcome {
  margin-top: 26px; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.pillars__outcome span {
  display: block; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(245,245,247,0.4); margin-bottom: 6px;
}
.pillars__outcome strong { font-weight: 500; color: #f5f5f7; }
.pillars__panel.is-switching { opacity: 0; transform: translateY(6px); }
.pillars__panel { transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out); }

/* ---------------------------------------------------------------- about */
.about {
  max-width: 1024px; margin: 0 auto;
  display: grid; grid-template-columns: 5fr 6fr; gap: 56px; align-items: center;
}
.about__media img { border-radius: 24px; }
.about__copy h2 { margin-bottom: 22px; }
.about__copy p { color: var(--ink-dim); margin-bottom: 16px; max-width: 480px; }
.about__sign { margin: 26px 0 18px; }
.about__sign strong { color: var(--ink); font-size: 19px; letter-spacing: -0.01em; }
.about__sign span { font-size: 14px; }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; gap: 36px; } }

/* ---------------------------------------------------------------- feature (award) */
.feature {
  max-width: 1024px; margin: 0 auto;
  display: grid; grid-template-columns: 6fr 5fr; gap: 56px; align-items: center;
}
.feature__media img { border-radius: 24px; }
.feature__copy h2 { margin-bottom: 22px; }
.feature__copy p { color: var(--ink-dim); max-width: 440px; margin-bottom: 14px; }
.feature__note { font-size: 14px; }
@media (max-width: 860px) { .feature { grid-template-columns: 1fr; gap: 32px; } }

/* ---------------------------------------------------------------- documentary video */
.video {
  max-width: 960px; margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 24px; overflow: hidden;
  background: var(--dark-2);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.video iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------------------------------------------------------------- books */
.books {
  max-width: 900px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.book {
  display: grid; grid-template-columns: 150px 1fr; gap: 26px; align-items: center;
  background: var(--paper-tint); border-radius: var(--radius);
  padding: 30px;
  transition: transform 160ms var(--ease-out), box-shadow 160ms ease;
}
.book:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0,0,0,0.08); }
.book:active { transform: scale(0.99); }
.book__cover { margin: 0; }
.book__cover img {
  width: 100%; border-radius: 8px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.18);
}
.book__meta h3 { margin-bottom: 8px; }
.book__meta p { color: var(--ink-dim); font-size: 15px; margin-bottom: 14px; }
.book__link { color: var(--gold); font-size: 14px; font-weight: 500; }
@media (max-width: 860px) { .books { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .book { grid-template-columns: 110px 1fr; gap: 18px; } }
.books__coming-kicker {
  text-align: center; margin: 44px 0 22px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--gold);
}
.book--soon { cursor: default; }
.book--soon:hover { transform: none; box-shadow: none; }
.book__badge {
  display: inline-block; background: #faf3e4; color: var(--gold);
  font-size: 12px; font-weight: 600; border-radius: 980px; padding: 4px 12px;
}

/* ---------------------------------------------------------------- guides */
.guides {
  max-width: 1024px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.guide {
  background: var(--paper-tint); border-radius: var(--radius);
  padding: 18px 18px 22px; display: flex; flex-direction: column; gap: 16px;
  transition: transform 160ms var(--ease-out), box-shadow 160ms ease;
}
.guide:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0,0,0,0.08); }
.guide:active { transform: scale(0.99); }
.guide figure {
  margin: 0; border-radius: 12px; overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06); background: #fdfcf8;
}
.guide figure img { display: block; width: 100%; }
.guide div { padding: 0 6px; }
.guide span { font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--gold); }
.guide h3 { margin: 6px 0 6px; font-size: 19px; }
.guide p { font-size: 14px; color: var(--ink-dim); }
@media (max-width: 900px) { .guides { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .guides { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- closer */
.closer { background: var(--paper-tint); padding: 130px 22px; text-align: center; }
.closer__inner { max-width: 680px; margin: 0 auto; }
.closer h2 { margin-bottom: 8px; }
.closer .btn--primary { margin-top: 34px; }
.closer__note { margin-top: 18px; font-size: 13px; color: var(--ink-dim); }

/* ---------------------------------------------------------------- contact */
.contact { text-align: center; }
.contact__inner { max-width: 620px; margin: 0 auto; }
.contact .btn--primary { margin-top: 30px; }
.contact__email { margin-top: 16px; font-size: 14px; }
.contact__email a { color: var(--ink-dim); transition: color 160ms ease; }
.contact__email a:hover { color: var(--gold); }
.about__links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- footer */
.footer { background: var(--paper); border-top: 1px solid rgba(0,0,0,0.08); }
.footer__inner { max-width: 1024px; margin: 0 auto; padding: 44px 22px 56px; text-align: center; }
.footer__brand { font-weight: 600; letter-spacing: -0.01em; margin-bottom: 8px; }
.footer__line { font-size: 14px; color: var(--ink-dim); margin-bottom: 22px; }
.footer__links { display: flex; gap: 22px; justify-content: center; margin-bottom: 22px; flex-wrap: wrap; }
.footer__links a { font-size: 13px; color: var(--ink-dim); }
.footer__links a:hover { color: var(--ink); }
.footer__legal { font-size: 12px; color: #a1a1a6; }

/* ---------------------------------------------------------------- reveal on scroll
   Gentle, critically damped: opacity + small y. Cross-fade under reduced motion. */
.reveal { opacity: 0; transform: translateY(18px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 70ms; }
.reveal.d2 { transition-delay: 140ms; }
.reveal.d3 { transition-delay: 210ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transform: none; transition: opacity 250ms ease; }
  .pillars__panel { transition: opacity 200ms ease; }
  .btn:active, .nav__cta:active, .pillars__list button:active { transform: none; }
}