/* Dr. Masoumeh Baghban — personal academic site
   Editorial look: ivory paper, deep teal ink, fine hairlines, serif voice.
   All spacing uses logical properties so the Persian (RTL) mode just works. */

:root {
  --paper: #faf7f0;
  --paper-soft: #f1ecdf;
  --ink: #20262b;
  --ink-soft: #5c6066;
  --accent: #0f5e54;
  --accent-soft: rgba(15, 94, 84, 0.08);
  --rust: #c4502c;
  --hairline: #e3ddcd;
  --hairline-dark: #b9b2a0;
  --serif-display: "Fraunces", Georgia, serif;
  --serif-body: "Source Serif 4", Georgia, serif;
  --fa-font: "Vazirmatn", Tahoma, sans-serif;
  --max: 1040px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  background-image: radial-gradient(circle at 80% -10%, var(--accent-soft), transparent 50%);
  color: var(--ink);
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.65;
}

body.fa { font-family: var(--fa-font); letter-spacing: 0; }
body.fa h1, body.fa h2, body.fa h3, body.fa .kicker, body.fa .lbl,
body.fa .btn, body.fa .lang-toggle, body.fa .site-nav { font-family: var(--fa-font); }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--rust); }

/* ---- header --------------------------------------------------------- */

.site-header {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}

.monogram {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: 19px;
  background: var(--accent);
  color: var(--paper);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  text-decoration: none;
  letter-spacing: 1px;
}
.monogram:hover { color: var(--paper); background: var(--rust); }

.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-inline-end: auto;
  font-family: var(--serif-body);
  font-size: 14.5px;
}
.site-nav a { color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover { color: var(--accent); }

.lang-toggle {
  font-family: var(--fa-font);
  font-size: 14px;
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  padding: 6px 16px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.lang-toggle:hover { background: var(--accent); color: var(--paper); }

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

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 24px 30px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}

.kicker {
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rust);
  margin: 0 0 14px;
}
body.fa .kicker { letter-spacing: 0; font-size: 14px; }

.name {
  font-family: var(--serif-display);
  font-weight: 600;
  font-size: clamp(40px, 6vw, 60px);
  line-height: 1.06;
  margin: 0 0 12px;
}

.role { font-size: 18px; color: var(--accent); margin: 0 0 18px; font-weight: 600; }

.lead { font-size: 18.5px; color: var(--ink-soft); margin: 0 0 26px; max-width: 54ch; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }

.btn {
  font-family: var(--serif-body);
  font-size: 15.5px;
  padding: 11px 24px;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.12s, box-shadow 0.12s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--accent); color: var(--paper); box-shadow: 0 6px 18px rgba(15, 94, 84, 0.25); }
.btn.primary:hover { color: var(--paper); }
.btn.ghost { border: 1.5px solid var(--hairline-dark); color: var(--ink); }

.hero-links {
  list-style: none;
  display: flex;
  gap: 18px;
  padding: 0;
  margin: 0;
  font-size: 14.5px;
}
.hero-links li::before { content: "—"; color: var(--hairline-dark); margin-inline-end: 8px; }

.portrait-wrap {
  /* framed like a print in a mat: photo sits fully inside */
  margin: 0;
  max-width: 360px;
  justify-self: end;
  background: #fffdf6;
  padding: 12px;
  border: 1.5px solid var(--accent);
  border-radius: 999px 999px 18px 18px;
  box-shadow: 0 18px 44px rgba(32, 38, 43, 0.18);
}
.portrait {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: 50% 18%;
  display: block;
  border-radius: 985px 985px 10px 10px;
  border: 1px solid var(--hairline);
}

.coaching-art { max-width: 330px; margin: 30px auto 6px; }
.coaching-art svg { width: 100%; height: auto; display: block; }
.markers circle { fill: var(--accent); opacity: 0.85; }
.markers .apex { fill: var(--rust); }
.svg-note {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 15px;
  fill: var(--ink-soft);
}

/* ---- stats band -------------------------------------------------------- */

.stats {
  border-block: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.45);
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max);
  margin: 18px auto 0;
  padding: 26px 24px;
  gap: 18px;
}
.stat { text-align: center; }
.stat .num {
  font-family: var(--serif-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  display: block;
  line-height: 1.1;
}
.stat .lbl { font-size: 13.5px; color: var(--ink-soft); }

/* ---- sections ------------------------------------------------------------ */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 24px 12px;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  border-bottom: 1px solid var(--hairline-dark);
  padding-bottom: 10px;
  margin-bottom: 30px;
}
.section-head .index {
  font-family: var(--serif-display);
  font-style: italic;
  color: var(--rust);
  font-size: 16px;
}
.section-head h2 {
  font-family: var(--serif-display);
  font-weight: 600;
  font-size: clamp(26px, 4vw, 34px);
  margin: 0;
}

.section-note { color: var(--ink-soft); font-size: 15px; margin: -16px 0 24px; font-style: italic; }

/* about */

.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 44px; }
.about-body { font-size: 18px; margin: 0; }
.about-body::first-letter {
  font-family: var(--serif-display);
  font-size: 3.1em;
  float: inline-start;
  line-height: 0.82;
  padding-inline-end: 10px;
  color: var(--accent);
}
body.fa .about-body::first-letter { font-size: 1em; float: none; padding: 0; color: inherit; }

.about-aside h3 {
  font-family: var(--serif-display);
  font-size: 17px;
  margin: 0 0 14px;
  color: var(--rust);
}
.edu-list { list-style: none; margin: 0; padding: 0; }
.edu-item {
  border-inline-start: 3px solid var(--accent);
  padding-inline-start: 14px;
  margin-bottom: 16px;
  display: block;
}
.edu-degree { display: block; font-weight: 600; }
.edu-place { display: block; color: var(--ink-soft); font-size: 15px; }
.edu-years { display: block; color: var(--rust); font-size: 13.5px; }

/* research interests */

.interest-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}
.interest {
  background: #fffdf6;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 15.5px;
  position: relative;
  transition: border-color 0.15s, transform 0.15s;
}
.interest::before {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  background: var(--rust);
  border-radius: 2px;
  margin-bottom: 10px;
}
.interest:hover { border-color: var(--accent); transform: translateY(-3px); }

/* publications */

.pub-list { list-style: none; margin: 0; padding: 0; counter-reset: pub; }
.pub {
  display: flex;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}
.pub-year {
  font-family: var(--serif-display);
  font-weight: 600;
  color: var(--accent);
  min-width: 88px;
  flex: 0 0 88px;
}
.pub-year.inpress { color: var(--rust); font-style: italic; font-size: 15px; }
.pub-text { margin: 0; font-size: 16px; font-family: var(--serif-body); text-align: left; }
body.fa .pub-body { text-align: left; }
.pub-doi { font-size: 13.5px; }
.more-link { margin: 18px 0 34px; font-size: 16px; }

.works-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 10px; }
.works-card {
  background: #fffdf6;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px 26px;
}
.works-card h3 {
  font-family: var(--serif-display);
  margin: 0 0 14px;
  font-size: 19px;
  color: var(--accent);
}
.works-card.patent { background: var(--accent); color: #f2efe6; border-color: var(--accent); }
.works-card.patent h3 { color: #ffd9a8; }
.patent-name { font-weight: 600; font-size: 17px; margin: 0 0 4px; }
.patent-meta { font-size: 13.5px; opacity: 0.75; margin: 0 0 10px; }

.plain-list { list-style: none; padding: 0; margin: 0; }
.book {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--hairline);
  font-size: 15.5px;
}
.book:last-child { border-bottom: none; }
.book-role { color: var(--rust); font-size: 13.5px; white-space: nowrap; }

/* timeline */

.timeline { display: grid; gap: 6px; }
.entry {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
}
.entry-years { font-family: var(--serif-display); color: var(--rust); font-size: 15px; }
.entry-role { font-family: var(--serif-display); font-size: 19px; margin: 0 0 4px; font-weight: 600; }
body.fa .entry-role { font-size: 17.5px; }
.entry-place { color: var(--accent); font-size: 15px; margin: 0 0 6px; }
.entry-desc { color: var(--ink-soft); font-size: 15.5px; margin: 0; }

.honor-row {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.honor {
  background: var(--accent-soft);
  border: 1px solid rgba(15, 94, 84, 0.25);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 15px;
}

/* service */

.service-list { list-style: none; padding: 0; margin: 0; }
.service-item {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 15.5px;
}
.service-role { font-weight: 600; }
.service-place { color: var(--ink-soft); }
.service-years { color: var(--rust); font-size: 14px; }

/* contact */

.contact-lead { font-size: 18px; max-width: 58ch; }
.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 22px 0;
}
.contact-card {
  background: #fffdf6;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 18px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s, transform 0.15s;
  display: block;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-3px); color: var(--ink); }
.contact-kind { display: block; font-size: 12.5px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--rust); margin-bottom: 6px; }
body.fa .contact-kind { letter-spacing: 0; }
.contact-val { font-size: 15.5px; color: var(--accent); word-break: break-all; }
.languages { color: var(--ink-soft); font-size: 14.5px; }

/* footer */

.site-footer {
  border-top: 1px solid var(--hairline-dark);
  margin-top: 70px;
  padding: 26px 24px 36px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
}

/* reveal animation */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.shown { opacity: 1; transform: none; }

/* ---- responsive ------------------------------------------------------------ */

@media (max-width: 840px) {
  .hero { grid-template-columns: 1fr; padding-top: 34px; }
  .portrait-wrap { max-width: 300px; margin: 0 auto; justify-self: center; }
  .about-grid, .works-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .entry { grid-template-columns: 1fr; gap: 4px; }
  .service-item { grid-template-columns: 1fr; gap: 2px; }
  .site-nav {
    order: 3;
    flex-basis: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { white-space: nowrap; }
}

@media (max-width: 520px) {
  .site-header { padding: 16px 18px; gap: 14px; }
  .lang-toggle { margin-inline-start: auto; }
  .hero { padding: 24px 18px 14px; gap: 30px; }
  .kicker { font-size: 11.5px; letter-spacing: 2px; }
  .lead { font-size: 17px; }
  .section { padding: 44px 18px 8px; }
  .stats { padding: 20px 18px; gap: 12px; }
  .stat .num { font-size: 31px; }
  .stat .lbl { font-size: 12.5px; }
  .pub { flex-direction: column; gap: 4px; }
  .pub-year { min-width: 0; flex: none; }
  .works-card { padding: 20px; }
  .contact-cards { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}