/* ==========================================================================
   George Ranes — site styles
   Colors, fonts and spacing are defined once here; change them in :root.
   ========================================================================== */

:root {
  --ink: #14213D;          /* headings, name, strong text */
  --text: #3A4452;         /* body copy */
  --muted: #6A7482;        /* dates, labels, captions */
  --bg: #FAFAF7;           /* page background */
  --surface: #FFFFFF;      /* cards */
  --line: #E3E6EA;         /* hairlines and borders */
  --accent: #14213D;       /* links and buttons (navy) */
  --accent-dark: #0B1428;
  --gold-dark: #8A6A1E;    /* gold that's dark enough for text on the light background */
  --gold: #B8912F;         /* small rules only; use sparingly */
  --gold-light: #E3CD8F;   /* gold on navy backgrounds */
  --tint: #F3F0E7;         /* warm band behind the Mandarin section */
  --navy-text: #C3CCD9;    /* body text on navy */
  --navy-muted: #8FA0B8;   /* labels on navy */
  --tone1: #C2410C;        /* Mandarin tone colors, from the app */
  --tone2: #15803D;

  --serif: "EB Garamond", Garamond, "Times New Roman", serif;
  --han: "Noto Serif SC", "Songti SC", "SimSun", serif;

  --wrap: 1080px;
  --gutter: clamp(16px, 5vw, 40px);
  --section: clamp(72px, 10vw, 120px);
  --radius: 4px;
  --shadow: 0 1px 2px rgba(20, 33, 61, .05), 0 10px 30px rgba(20, 33, 61, .06);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 19px;               /* Garamond runs small; 19px reads like 16–17px in most fonts */
  line-height: 1.6;
  font-variant-numeric: oldstyle-nums proportional-nums;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; text-decoration-color: var(--gold); }
a:hover { color: var(--accent-dark); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 { color: var(--ink); font-weight: 500; line-height: 1.15; margin: 0; }
h2 { font-size: clamp(34px, 5vw, 46px); letter-spacing: -.01em; }
h3 { font-size: 24px; font-weight: 600; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 100; background: var(--surface); padding: 8px 14px; }

/* Small-caps label used above headings and for dates */
.eyebrow {
  font-variant-caps: all-small-caps;
  font-variant-numeric: lining-nums;
  letter-spacing: .12em;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--muted);
  margin: 0 0 10px;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 247, .92);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-size: 22px; font-weight: 600; color: var(--ink); text-decoration: none; letter-spacing: .01em; }
.brand:hover { color: var(--ink); }

.nav ul { list-style: none; display: flex; gap: 28px; }
.nav a {
  color: var(--text); text-decoration: none;
  font-variant-caps: all-small-caps; letter-spacing: .1em; font-size: 20px;
  padding-block: 6px; border-bottom: 1px solid transparent;
}
.nav a:hover, .nav a[aria-current="true"] { color: var(--ink); border-bottom-color: var(--gold); }
.nav ul { align-items: center; }
.nav .nav-cta a {
  border: 1px solid var(--accent); border-radius: var(--radius); color: var(--accent);
  padding: 3px 14px 5px;
}
.nav .nav-cta a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius);
  font: inherit; font-size: 17px; color: var(--ink); padding: 4px 12px; cursor: pointer;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--serif); font-size: 18px; font-weight: 500; letter-spacing: .02em;
  padding: 10px 20px; border-radius: var(--radius);
  border: 1px solid var(--accent); text-decoration: none; cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- sections ---------- */
.section { padding-block: var(--section); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { margin-bottom: 48px; }
.section-head.tight { margin-bottom: 28px; }
.section-head h2::after {
  content: ""; display: block; width: 44px; height: 2px; background: var(--gold); margin-top: 18px;
}

/* ---------- hero ---------- */
.hero { padding-block: clamp(56px, 9vw, 112px) var(--section); }
.hero .wrap { display: grid; grid-template-columns: 1.9fr 1fr; gap: clamp(40px, 7vw, 96px); align-items: center; }
.hero h1 { font-size: clamp(54px, 9vw, 92px); font-weight: 500; letter-spacing: -.02em; line-height: 1; margin-bottom: 26px; }
.tagline { font-size: clamp(19px, 1.65vw, 22px); line-height: 1.4; color: var(--ink); margin-bottom: 14px; }
.tagline .line { display: block; }        /* each sentence starts on its own row */
.tagline .line + .line { margin-top: 10px; }
.tagline .phrase { white-space: nowrap; } /* wrap only between phrases, never mid-phrase */
.tagline em { font-style: italic; }
.hero .sub { color: var(--muted); font-size: 20px; margin-bottom: 34px; max-width: 42ch; }

.portrait { margin: 0; position: relative; max-width: 340px; justify-self: end; width: 100%; }
.portrait::before {                       /* offset gold frame */
  content: ""; position: absolute; inset: 14px -14px -14px 14px;
  border: 1px solid var(--gold); border-radius: var(--radius); z-index: -1;
}
.portrait img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius); background: #E9ECF0; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.about-grid .lead { font-size: 23px; color: var(--ink); line-height: 1.5; }

/* "At a glance" card: each <dd> is its own row */
.glance {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 28px; box-shadow: var(--shadow); margin: 0;
}
.glance div { padding-block: 14px; border-bottom: 1px solid var(--line); }
.glance div:first-child { padding-top: 0; }
.glance div:last-child { border-bottom: 0; padding-bottom: 0; }
.glance dt { font-variant-caps: all-small-caps; letter-spacing: .1em; color: var(--muted); font-size: 18px; margin-bottom: 2px; }
.glance dd { margin: 0; color: var(--ink); font-size: 19px; line-height: 1.45; }

/* ---------- experience timeline ---------- */
.sub-head { font-size: 28px; font-weight: 500; margin: 72px 0 28px; }
.sub-head:first-of-type { margin-top: 0; }

.timeline { list-style: none; }
.role { display: grid; grid-template-columns: 200px 1fr; gap: 12px 40px; }
.role > div {                             /* vertical timeline rule with a marker per role */
  position: relative; border-left: 1px solid var(--line);
  padding: 0 0 48px 34px;
}
.role:last-child > div { padding-bottom: 0; }
.role > div::before {
  content: ""; position: absolute; left: -6px; top: 9px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--gold);
}
.role:first-child > div::before { background: var(--gold); }
.role .when, .edu .when { margin: 0; font-variant-caps: all-small-caps; font-variant-numeric: lining-nums; letter-spacing: .08em; color: var(--muted); font-size: 19px; line-height: 1.4; padding-top: 4px; }
.role .when span { display: block; }
.role h3 { margin-bottom: 2px; }
.role .org { color: var(--gold-dark); font-size: 20px; font-style: italic; margin-bottom: 12px; }
.role .org .place { color: var(--muted); font-style: normal; }
.role .summary { color: var(--ink); margin-bottom: 12px; }
.role ul { padding-left: 1.1em; }
.role li { margin-bottom: 8px; }
.role li strong { color: var(--ink); font-weight: 600; }
.role li::marker { color: var(--gold); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 28px; box-shadow: var(--shadow);
}
.card h4 { margin: 0 0 12px; color: var(--ink); font-size: 18px; font-weight: 500; font-variant-caps: all-small-caps; letter-spacing: .1em; }
.card ul { list-style: none; }
.card li { padding-block: 5px; line-height: 1.45; }
.card li + li { border-top: 1px dashed var(--line); }
.card .meta { display: block; color: var(--muted); font-size: 17px; }

.edu { display: grid; grid-template-columns: 200px 1fr; gap: 12px 40px; padding-block: 30px; border-top: 1px solid var(--line); }
.sub-head + .edu { border-top: 0; padding-top: 0; }
.edu .degrees { list-style: none; margin-bottom: 10px; }
.edu .degrees li { color: var(--ink); font-size: 20px; }
.edu .note { color: var(--muted); margin: 0; }
.edu .note + .degrees { margin-top: 12px; }

/* ---------- mandarin ---------- */
#mandarin { background: var(--tint); }
.mandarin-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.stats { display: flex; gap: 36px; margin: 8px 0 32px; flex-wrap: wrap; }
.stats div { display: flex; flex-direction: column; }
.stats b { font-size: 40px; font-weight: 500; color: var(--ink); line-height: 1; font-variant-numeric: lining-nums tabular-nums; }
.stats span { font-variant-caps: all-small-caps; letter-spacing: .12em; color: var(--muted); font-size: 17px; margin-top: 6px; }

.flashcard {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow);
  aspect-ratio: 4 / 3; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px; text-decoration: none; max-width: 400px; justify-self: center; width: 100%;
  transition: transform .2s ease, box-shadow .2s ease;
}
.flashcard:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgba(20,33,61,.06), 0 18px 40px rgba(20,33,61,.10); }
.flashcard .hz { font-family: var(--han); font-size: clamp(64px, 9vw, 88px); line-height: 1.1; color: var(--ink); font-weight: 500; }
.flashcard .py { font-size: 26px; margin-top: 6px; letter-spacing: .02em; }
.flashcard .en { color: var(--muted); font-style: italic; margin-top: 2px; }
.flashcard .hint {                        /* the card's call to action: a gold pill */
  margin-top: 20px; padding: 6px 18px 8px; border: 1.5px solid var(--gold); border-radius: 999px;
  background: rgba(184, 145, 47, .10); color: var(--gold-dark);
  font-variant-caps: all-small-caps; letter-spacing: .12em; font-size: 20px; font-weight: 600;
  transition: background .2s ease, color .2s ease;
}
.flashcard:hover .hint, .flashcard:focus-visible .hint { background: var(--gold); border-color: var(--gold); color: #fff; }
.t1 { color: var(--tone1); }
.t2 { color: var(--tone2); }

/* ---------- contact (navy band) ---------- */
.contact { text-align: center; background: var(--ink); color: var(--navy-text); }
.section + .section.contact { border-top: 0; }
.contact h2 { color: #fff; }
.contact .eyebrow { color: var(--navy-muted); }
.contact .section-head h2::after { margin-inline: auto; background: var(--gold-light); }
.contact p.intro { max-width: 46ch; margin: 0 auto 30px; }
.email {
  display: inline-block; font-size: clamp(26px, 4vw, 38px); color: #fff; text-decoration: none;
  border-bottom: 1px solid var(--gold-light); margin-bottom: 36px; word-break: break-word;
}
.email:hover { color: var(--gold-light); }
.contact .btn-row { justify-content: center; }
.contact .btn-primary { background: #FAFAF7; border-color: #FAFAF7; color: var(--ink); }
.contact .btn-primary:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--ink); }
.contact .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .45); }
.contact .btn-ghost:hover { background: #fff; border-color: #fff; color: var(--ink); }
.contact :focus-visible { outline-color: var(--gold-light); }

/* ---------- footer ---------- */
.site-footer {
  background: var(--ink); border-top: 1px solid rgba(255, 255, 255, .1);
  padding-block: 26px; color: var(--navy-muted); font-size: 17px;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer a { color: var(--navy-muted); }
.site-footer a:hover { color: #fff; }

/* ---------- résumé viewer ---------- */
.resume-viewer {
  width: min(960px, calc(100vw - 32px)); height: min(92vh, 1240px);
  max-width: none; max-height: none; padding: 0; border: 0; border-radius: 8px;
  background: var(--bg); color: var(--text); box-shadow: 0 24px 80px rgba(10, 18, 36, .35);
  overflow: hidden;
}
.resume-viewer[open] { display: flex; flex-direction: column; }
.resume-viewer::backdrop { background: rgba(14, 24, 48, .62); }
.rv-bar {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  background: var(--surface); border-bottom: 1px solid var(--line);
}
.rv-bar h2 { font-size: 24px; margin-right: auto; }
.rv-bar .btn { padding: 6px 16px 8px; font-size: 17px; }
.rv-close {
  width: 40px; height: 40px; border: 1px solid var(--line); border-radius: var(--radius);
  background: none; color: var(--ink); font: inherit; font-size: 26px; line-height: 1; cursor: pointer;
}
.rv-close:hover { border-color: var(--ink); }
.rv-pages {
  flex: 1; overflow: auto; padding: 20px; background: #E6E9EE;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.rv-pages canvas { display: block; max-width: 100%; height: auto; background: #fff; box-shadow: var(--shadow); }
.rv-status { margin: auto; color: var(--muted); text-align: center; }
body.rv-open { overflow: hidden; }       /* keep the page behind from scrolling */

/* ---------- reveal on scroll (skipped when reduced motion is on) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
  .js .reveal.visible { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---------- tablet & phone ---------- */
@media (max-width: 860px) {
  .hero .wrap, .about-grid, .mandarin-grid { grid-template-columns: 1fr; }
  .portrait { justify-self: start; max-width: 300px; order: -1; }
  .role, .edu { grid-template-columns: 1fr; gap: 6px; }
  .role .when span { display: inline; }
  .role .when span + span::before { content: " · "; }
}

@media (max-width: 720px) {
  body { font-size: 18px; }
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 16px; }
  .nav a { display: block; padding-block: 10px; border-bottom: 1px solid var(--line); }
  .nav li:last-child a { border-bottom: 0; }
  /* Hero buttons on phones: View Résumé full width, then Contact and LinkedIn side by side */
  .hero .btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .hero .btn-row .btn { justify-content: center; }
  .hero .btn-row .btn-primary { grid-column: 1 / -1; font-size: 20px; padding: 14px 20px; }
  .hero .btn-row a[href="#contact"] { order: 1; }
  .hero .btn-row a[href*="linkedin"] { order: 2; }
  .resume-viewer { width: 100vw; height: 100dvh; border-radius: 0; }
  .rv-pages { padding: 12px; gap: 12px; }
  .nav .nav-cta a { border: 0; padding: 10px 0; }
  .nav .nav-cta a:hover { background: none; color: var(--ink); }
  .hero { padding-top: 40px; }
  .portrait { max-width: 168px; }
  .portrait::before { inset: 8px -8px -8px 8px; }
  .stats { gap: 28px; }
}

/* ---------- print: a clean one-column page ---------- */
@media print {
  .site-header, .nav-toggle, .btn-row, .flashcard, .portrait, .skip { display: none !important; }
  body { background: #fff; font-size: 12pt; }
  .section { padding-block: 18pt; }
  .card, .glance { box-shadow: none; }
  .contact, .site-footer, #mandarin { background: none; color: var(--text); }
  .contact h2, .email { color: var(--ink); }
  .js .reveal { opacity: 1 !important; transform: none !important; }
}