/* Alexandra Yako personal site.
   Static HTML/CSS with an optional enhancement script (assets/js/enhance.js).
   The page is complete without JavaScript; every animation is additive and
   disabled under prefers-reduced-motion. Edit text in index.html only. */

@font-face {
  font-family: "Instrument Sans";
  src: url("/assets/fonts/InstrumentSans-var.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --wall: #999d9e;
  --dark: #1c1d20;
  --dark-2: #141518;
  --paper: #ffffff;
  --ink: #1c1d20;
  --blue: #455ce9;
  --hairline: rgba(28, 29, 32, 0.18);
  --hairline-dark: rgba(255, 255, 255, 0.25);
  --cta-bg: #1c1d20;
  --cta-ink: #ffffff;
  --container: 1200px;
  --measure: 66ch;
  --pad: 20px;
}

@media (min-width: 768px) {
  :root { --pad: 40px; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1c1d20;
    --ink: #f2f3f1;
    --hairline: rgba(255, 255, 255, 0.22);
    --cta-bg: #f2f3f1;
    --cta-ink: #1c1d20;
  }
}

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

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  background: var(--dark);
  color: var(--ink);
  font-family: "Instrument Sans", "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  font-weight: 450;
  line-height: 1.6;
  min-height: 100svh;
}

@media (min-width: 768px) {
  body { font-size: 18px; }
}

h1, h2, h3 { text-wrap: balance; line-height: 1.15; font-weight: 450; }

a { color: inherit; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 40;
  background: var(--dark);
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
}
.skip-link:focus-visible { top: 16px; outline-color: #fff; }

/* ---------- top bar (overlays the hero) ---------- */

.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px var(--pad);
  min-height: 60px;
  color: #fff;
}

.mark { font-size: 16px; font-weight: 450; }

.topbar.static {
  position: static;
  color: var(--ink);
  background: var(--paper);
}

.nav { display: none; }

@media (min-width: 768px) {
  .nav { display: flex; gap: 4px; }
  .nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 4px 16px;
    font-size: 16px;
    text-decoration: none;
  }
  @media (hover: hover) and (pointer: fine) {
    .nav a:hover { text-decoration: underline; }
  }
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  background: var(--wall);
  overflow: hidden;
  color: #fff;
}

.portrait {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 1;
}

.portrait img {
  display: block;
  width: auto;
  height: min(66svh, 560px);
  object-fit: contain;
  object-position: bottom;
}

@media (min-width: 768px) {
  .portrait img { height: min(88svh, 900px); }
}

/* marquee name */

.giant {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.05em;
  z-index: 2;
  overflow: hidden;
  white-space: nowrap;
  font-size: clamp(84px, 13.5vw, 204px);
  font-weight: 450;
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
}

.marquee-track {
  display: inline-flex;
  will-change: transform;
}

/* Base motion in pure CSS so the name scrolls even without JavaScript;
   enhance.js replaces it with a scroll-velocity-reactive version. */
@media (prefers-reduced-motion: no-preference) {
  .marquee-track { animation: marquee 30s linear infinite; }
  .js .marquee-track { animation: none; }
}

@keyframes marquee {
  to { transform: translate3d(-50%, 0, 0); }
}

.marquee-track > span {
  display: inline-block;
  padding-right: 0.45em;
}

/* location pill */

.pill {
  position: absolute;
  left: 0;
  top: 72%;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  background: var(--dark);
  color: #fff;
  border-radius: 0 999px 999px 0;
  padding: 10px 10px 10px 28px;
  font-size: 15px;
  line-height: 1.35;
}

.pill .globe {
  flex: none;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--dark-2);
  display: grid;
  place-items: center;
}

@media (prefers-reduced-motion: no-preference) {
  .js .pill .globe svg { animation: spin 14s linear infinite; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* right-side role block */

.hero-right {
  position: absolute;
  right: var(--pad);
  top: 9%;
  z-index: 3;
  color: #fff;
}

.role {
  font-size: 20px;
  font-weight: 450;
  line-height: 1.25;
}

.role-sub { font-size: 16px; margin-top: 8px; }

@media (min-width: 768px) {
  .hero-right { right: 6vw; top: 44%; }
  .role { font-size: 26px; }
  .role-sub { font-size: 17px; margin-top: 10px; }
  .pill { top: 44%; }
}

.cue {
  position: absolute;
  right: 8vw;
  top: 26%;
  z-index: 3;
  color: #fff;
  font-size: 30px;
  line-height: 1;
}

@media (min-width: 768px) {
  .cue { top: 30%; }
}

/* entrance animations: applied only when JS is present */

@media (prefers-reduced-motion: no-preference) {
  .js .once {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .js .once.pill { transform: translateX(-100%); }
  .js .is-in.once { opacity: 1; transform: none; }
  .js .reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .js .reveal.is-in { opacity: 1; transform: none; }
}

/* intro loader (injected by JS only) */

.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--dark);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 450;
  transition: transform 0.7s cubic-bezier(0.76, 0, 0.24, 1);
}

.loader.done { transform: translateY(-100%); }

.loader span::before {
  content: "";
  display: inline-block;
  width: 0.22em;
  height: 0.22em;
  border-radius: 50%;
  background: #fff;
  margin-right: 0.35em;
  vertical-align: 0.08em;
}

/* ---------- white body ---------- */

.paper {
  position: relative;
  z-index: 1;
  background: var(--paper);
  color: var(--ink);
  border-radius: 0 0 44px 44px;
  overflow: hidden;
}

/* intro */

.intro {
  padding: 88px var(--pad) 72px;
  max-width: var(--container);
  margin-inline: auto;
}

.headline {
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 450;
  line-height: 1.18;
  letter-spacing: -0.01em;
  text-wrap: balance;
  max-width: 22ch;
}

.subhead { max-width: var(--measure); margin-top: 24px; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.cta {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 10px 28px;
  border: 1px solid var(--cta-bg);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 450;
  background: var(--cta-bg);
  color: var(--cta-ink);
  transition: background 0.3s, color 0.3s;
}

.cta-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--hairline);
}

@media (hover: hover) and (pointer: fine) {
  .cta:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
  .cta-secondary:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
}

@media (min-width: 1024px) {
  .intro {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 64px;
    padding: 120px var(--pad) 96px;
  }
  .intro .subhead { margin-top: 8px; }
}

/* content bands */

.band {
  border-top: 1px solid var(--hairline);
  padding: 56px var(--pad) 64px;
}

.band > * {
  max-width: var(--container);
  margin-inline: auto;
}

.band h2 { font-size: 24px; margin-bottom: 28px; }

@media (min-width: 1024px) {
  .band {
    padding: 80px var(--pad) 96px;
    display: grid;
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    column-gap: 64px;
    align-content: start;
  }
  .band > * { grid-column: 2; max-width: none; margin-inline: 0; width: 100%; }
  .band > h2 { grid-column: 1; grid-row: 1 / span 12; margin-bottom: 0; font-size: 26px; position: sticky; top: 24px; }
  .band > :nth-child(2) { grid-row: 1; }
}

/* credentials */

.cred-list { list-style: none; max-width: var(--measure); }

.cred-list li {
  border-top: 1px solid var(--hairline);
  padding: 16px 0;
  font-size: 19px;
  font-weight: 500;
}

.cred-list li:last-child { border-bottom: 1px solid var(--hairline); }

.support-line { margin-top: 18px; font-weight: 500; }

.in-progress {
  margin-top: 32px;
  padding-left: 18px;
  border-left: 2px solid var(--hairline);
  font-size: 16px;
  max-width: var(--measure);
}

.in-progress h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.in-progress ul { list-style: none; }
.in-progress li { padding: 4px 0; }

/* what I do */

.cluster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 44px 56px;
}

.cluster h3 {
  font-size: 19px;
  font-weight: 600;
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
  margin-bottom: 12px;
}

.cluster p + p { margin-top: 12px; }

.cluster-media {
  aspect-ratio: 3 / 2;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 18px;
}

.cluster-media img,
.job-media img,
.side-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (hover: hover) and (pointer: fine) {
  .cluster-media img, .job-media img, .side-media img {
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .cluster-media:hover img, .job-media:hover img, .side-media:hover img {
    transform: scale(1.04);
  }
}

/* experience */

.job + .job { margin-top: 56px; }
.job-head h3 { font-size: 22px; font-weight: 500; }
.job-meta { margin-top: 4px; }

.job ul {
  margin-top: 16px;
  padding-left: 22px;
  max-width: var(--measure);
}

.job li + li { margin-top: 10px; }

.job-media {
  aspect-ratio: 3 / 2;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 20px;
}

@media (min-width: 900px) {
  .job {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    column-gap: 40px;
    align-items: start;
  }
  .job-media { margin-bottom: 0; }
}

/* education + about side imagery */

.side-grid { display: grid; gap: 28px; }

.side-media {
  aspect-ratio: 3 / 2;
  border-radius: 16px;
  overflow: hidden;
  order: -1;
}

@media (min-width: 1024px) {
  .side-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    column-gap: 56px;
    align-items: start;
  }
  .side-media { order: 0; position: sticky; top: 24px; }
}

.degree { font-size: 19px; line-height: 1.5; }
.bridge { margin-top: 28px; max-width: var(--measure); }

/* about */

.prose { max-width: var(--measure); }
.prose p + p { margin-top: 16px; }

/* ---------- contact (dark, reference-style) ---------- */

.contact {
  background: var(--dark);
  color: #fff;
  padding: 104px var(--pad) 0;
}

.contact-inner { max-width: var(--container); margin-inline: auto; }

.contact-head {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.contact-head h2 {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 450;
  letter-spacing: -0.01em;
}

.contact-head .cue-in {
  margin-left: auto;
  font-size: 30px;
  line-height: 1;
}

.contact-note { margin-top: 20px; }

.contact-line {
  position: relative;
  border-top: 1px solid var(--hairline-dark);
  margin-top: 100px;
}

.circle-cta {
  position: absolute;
  right: 8%;
  top: 0;
  transform: translateY(-50%);
  width: 176px;
  height: 176px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  display: grid;
  place-items: center;
  text-decoration: none;
  font-size: 18px;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), background 0.3s;
}

@media (hover: hover) and (pointer: fine) {
  .circle-cta:hover { background: #3346c4; }
}

.contact-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 110px 0 0;
  list-style: none;
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  min-height: 56px;
  padding: 14px 30px;
  border: 1px solid var(--hairline-dark);
  border-radius: 999px;
  text-decoration: none;
  font-size: 17px;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

@media (hover: hover) and (pointer: fine) {
  .pill-btn:hover { background: #fff; color: var(--dark); border-color: #fff; }
}

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 64px;
  margin-top: 88px;
}

.contact-meta .label {
  display: block;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 6px;
}

.contact-meta .value { font-size: 16px; }

@media (max-width: 640px) {
  .circle-cta { position: static; transform: none; margin-top: 48px; width: 152px; height: 152px; }
  .contact-line { margin-top: 64px; }
  .contact-pills { padding-top: 40px; }
}

/* ---------- footer ---------- */

.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.65);
  padding: 72px var(--pad) 36px;
  font-size: 15px;
}

.footer p { max-width: var(--container); margin-inline: auto; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- print ---------- */

@media print {
  :root {
    --paper: #ffffff;
    --ink: #000000;
    --hairline: #999999;
  }

  body { background: #ffffff; color: #000000; font-size: 9.5pt; line-height: 1.4; }

  .nav, .pill, .cue, .portrait, .cta-row, .skip-link, .topbar, .loader,
  .circle-cta, .contact-head .cue-in, .avatar,
  .cluster-media, .job-media, .side-media { display: none; }

  .job { display: block; }
  .side-grid { display: block; }

  .reveal, .once {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  body { font-size: 9pt; }
  .band, .footer { padding: 5pt 0; }
  .job + .job { margin-top: 7pt; }
  .cluster-grid { gap: 6pt 16pt; }

  .hero { height: auto; min-height: 0; padding: 0; overflow: visible; background: #fff; color: #000; }

  .giant {
    position: static;
    color: #000;
    font-size: 20pt;
    white-space: normal;
    line-height: 1.1;
    overflow: visible;
  }

  .marquee-track { display: inline; }
  .marquee-track > span { display: none; padding: 0; }
  .marquee-track > span:first-child { display: inline; }

  .hero-right { position: static; color: #000; }
  .role, .role-sub { color: #000; font-size: 11pt; margin-top: 2pt; }
  .role br { display: inline; }

  .paper { border-radius: 0; background: #fff; color: #000; }

  .band, .footer { border-top: 0.75pt solid #999; padding: 7pt 0; display: block; background: #fff; color: #000; }
  .band h2 { position: static; margin-bottom: 5pt; font-size: 12pt; }
  .band > *, .footer p { max-width: none; margin-inline: 0; }
  .intro { padding: 4pt 0 8pt; display: block; }

  .headline { font-size: 13pt; max-width: none; margin-top: 4pt; }
  .subhead { margin-top: 4pt; max-width: none; }

  .cred-list li { padding: 3pt 0; font-size: 10pt; }
  .support-line { margin-top: 5pt; }
  .in-progress { margin-top: 8pt; font-size: 9pt; }
  .in-progress h3 { font-size: 9.5pt; margin-bottom: 2pt; }

  .cluster-grid { grid-template-columns: 1fr 1fr; gap: 8pt 18pt; }
  .cluster h3 { padding-top: 5pt; margin-bottom: 3pt; font-size: 10.5pt; }
  .cluster p + p { margin-top: 4pt; }

  .job + .job { margin-top: 9pt; }
  .job-head h3 { font-size: 11pt; }
  .job ul { margin-top: 4pt; padding-left: 12pt; }
  .job li + li { margin-top: 1.5pt; }

  .degree { font-size: 10.5pt; }
  .bridge { margin-top: 8pt; }
  .prose p + p { margin-top: 5pt; }

  .contact { background: #fff; color: #000; padding: 7pt 0 0; }
  .contact-head h2 { font-size: 12pt; }
  .contact-note { margin-top: 4pt; }
  .contact-line { border: 0; margin: 0; }
  .contact-pills { padding: 2pt 0 0; display: block; }
  .pill-btn { border: 0; padding: 1.5pt 0; min-height: 0; display: block; font-size: 10pt; color: #000; }
  .contact-meta { margin-top: 6pt; gap: 2pt 24pt; }
  .contact-meta .label { color: #444; }
  .contact-meta .value { color: #000; }

  .footer { font-size: 9pt; color: #000; }

  a { color: #000; }

  .linkedin::before { content: "https://www."; }
}