:root {
  --paper: #f4f5f8;
  --paper-raised: #ffffff;
  --ink: #0b0d1f;
  --muted: #5c6272;
  --line: rgba(0, 0, 53, 0.18);
  --soft-line: rgba(0, 0, 53, 0.09);
  --green: #000035;
  --green-bright: #dfe4ff;
  --coral: #2f5bea;
  --blue: #6f7fba;
  --brand: #000035;
  --on-brand: #ffffff;
  --shadow: 0 24px 70px rgba(0, 0, 53, 0.12);
  --direction-bg: #000035;
  --direction-text: #f4f6ff;
  --direction-muted: #b4bad0;
  --direction-line: rgba(244, 246, 255, 0.2);
  --direction-highlight: #cbd5ff;
  --interactive-outline: #000000;
  --hero-emphasis: #254bd8;
  --sun-icon: #c87900;
  --moon-icon: #34439b;
  --moon-detail: #ffffff;
  --scroll-progress: 0;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #080919;
  --paper-raised: #101226;
  --ink: #f5f6fb;
  --muted: #a6abc0;
  --line: rgba(226, 231, 255, 0.2);
  --soft-line: rgba(226, 231, 255, 0.1);
  --green: #9eafff;
  --green-bright: #1a2459;
  --coral: #7e9aff;
  --blue: #9db2ff;
  --brand: #000035;
  --on-brand: #ffffff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
  --direction-bg: #00002a;
  --direction-text: #f3f5ff;
  --direction-muted: #adb3ca;
  --direction-line: rgba(243, 245, 255, 0.18);
  --direction-highlight: #cbd5ff;
  --interactive-outline: #ffffff;
  --hero-emphasis: #9eafff;
  --sun-icon: #ffd166;
  --moon-icon: #9eafff;
  --moon-detail: #080919;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --paper: #080919;
    --paper-raised: #101226;
    --ink: #f5f6fb;
    --muted: #a6abc0;
    --line: rgba(226, 231, 255, 0.2);
    --soft-line: rgba(226, 231, 255, 0.1);
    --green: #9eafff;
    --green-bright: #1a2459;
    --coral: #7e9aff;
    --blue: #9db2ff;
    --brand: #000035;
    --on-brand: #ffffff;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
    --direction-bg: #00002a;
    --direction-text: #f3f5ff;
    --direction-muted: #adb3ca;
    --direction-line: rgba(243, 245, 255, 0.18);
    --direction-highlight: #cbd5ff;
    --interactive-outline: #ffffff;
    --hero-emphasis: #9eafff;
    --sun-icon: #ffd166;
    --moon-icon: #9eafff;
    --moon-detail: #080919;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: auto; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }

:where(.brand, .nav a, .theme-toggle, .menu-button, .button, .filter, .project-link, .publication-block a, .awards-disclosure summary, .contact-link, .site-footer a) {
  transition:
    outline-color 160ms ease,
    outline-offset 160ms ease,
    filter 160ms ease,
    background-color 160ms ease,
    border-radius 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

:where(.brand, .nav a, .theme-toggle, .menu-button, .button, .filter, .project-link, .publication-block a, .awards-disclosure summary, .contact-link, .site-footer a):hover {
  outline: 2px solid color-mix(in srgb, var(--green) 58%, var(--line));
  outline-offset: 3px;
  border-radius: 0;
  filter: brightness(0.94);
}

:where(.brand, .nav a, .theme-toggle, .menu-button, .button, .filter, .project-link, .publication-block a, .awards-disclosure summary, .contact-link, .site-footer a):active {
  outline: 3px solid var(--coral);
  outline-offset: 2px;
  border-radius: 0;
  filter: brightness(0.84);
  transform: translateY(1px) scale(0.985);
}

::selection { background: var(--green-bright); color: var(--ink); }

.site-shell { overflow: clip; }

.scroll-progress {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: calc(var(--scroll-progress) * 100%);
  height: 3px;
  background: var(--coral);
  transition: width 80ms linear;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  min-height: 78px;
  margin: 0 auto;
  padding: 0 4vw;
  border-bottom: 1px solid var(--soft-line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand { margin-left: -8px; padding: 5px 8px; border-radius: 0; }

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: var(--on-brand);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark.small { width: 30px; height: 30px; font-size: 9px; }
.brand-name { font-size: 14px; font-weight: 700; letter-spacing: -0.015em; }
.brand-name i { color: var(--muted); font-family: Arial, Helvetica, sans-serif; font-style: normal; font-weight: 500; }

.nav { display: flex; align-items: center; gap: 20px; }
.nav a { position: relative; padding: 7px 8px; border-radius: 0; color: var(--muted); font-size: 13px; font-weight: 700; }
.nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--coral);
  transition: transform 200ms ease;
}
.nav a:hover, .nav a.active { color: var(--ink); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); transform-origin: left; }

.theme-toggle {
  display: grid;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.theme-toggle:hover { background: var(--paper-raised); }
.theme-icon { display: block; width: 19px; height: 19px; overflow: visible; }
.theme-icon-light { color: var(--sun-icon); }
.theme-icon-dark { color: var(--moon-icon); }
.theme-icon-system .system-sun { fill: var(--sun-icon); }
.theme-icon-system .system-moon { fill: var(--moon-icon); }
.theme-icon-system .system-divider { fill: none; stroke: var(--ink); stroke-width: 1; }
.theme-icon-system .system-rays { fill: none; stroke: var(--sun-icon); stroke-linecap: square; stroke-width: 1.5; }
.theme-icon-system .system-crescent { fill: none; stroke: var(--moon-detail); stroke-width: 1.2; }
.menu-button { display: none; }

main { max-width: 1440px; margin: 0 auto; }

.hero {
  display: flex;
  align-items: center;
  min-height: calc(100svh - 78px);
  padding: 80px 7vw 92px;
  border-bottom: 1px solid var(--line);
}

.hero-copy { position: relative; z-index: 1; width: 100%; max-width: 980px; }
.status-line {
  display: flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  margin-bottom: 48px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper-raised);
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  text-align: left;
  transition: border-color 160ms ease, color 160ms ease, filter 160ms ease, outline-color 160ms ease, transform 120ms ease;
}
.status-line:hover,
.status-line:focus-visible { outline: 2px solid var(--interactive-outline); outline-offset: 3px; color: var(--ink); }
.status-line:active { outline: 3px solid var(--interactive-outline); outline-offset: 1px; transform: translateY(1px); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 4px color-mix(in srgb, var(--coral) 18%, transparent); }
.status-arrow { margin-left: 3px; color: var(--coral); font-size: 13px; }

.section-index {
  margin: 0;
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 850px;
  margin: 0 0 28px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(3.2rem, 5.6vw, 6.4rem);
  font-weight: 750;
  letter-spacing: -0.065em;
  line-height: 0.96;
}
.hero h1 em { color: var(--hero-emphasis); font-style: normal; font-weight: 750; }

.hero-intro {
  max-width: 670px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.6vw, 1.35rem);
  line-height: 1.65;
}

.hero-actions { display: flex; align-items: center; gap: 25px; margin-top: 42px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 50px; font-size: 13px; font-weight: 800; }
.button.primary { padding: 0 22px; border-radius: 0; background: var(--brand); color: var(--on-brand); box-shadow: var(--shadow); }
.button.primary:hover { transform: translateY(-3px); }
.button.primary:active { transform: translateY(1px) scale(0.985); }
.button.text-button { border-bottom: 1px solid var(--line); }
.button.text-button:hover { border-color: var(--ink); }

.reveal-one, .reveal-two, .reveal-three, .reveal-four { opacity: 0; animation: rise 700ms ease forwards; }
.reveal-two { animation-delay: 100ms; }
.reveal-three { animation-delay: 200ms; }
.reveal-four { animation-delay: 320ms; }

.section { padding: 128px 7vw; border-bottom: 1px solid var(--line); scroll-margin-top: 78px; }
.section-heading { display: grid; grid-template-columns: 0.65fr 1.35fr; gap: 8vw; margin-bottom: 70px; }
.section-heading h2, .direction-intro h2 { max-width: 780px; margin: -10px 0 20px; font-family: Arial, Helvetica, sans-serif; font-size: clamp(2.25rem, 4.2vw, 4.5rem); font-weight: 750; letter-spacing: -0.045em; line-height: 1.02; }
.section-heading > div > p, .direction-intro > p:last-child { max-width: 620px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.7; }

.interest-list { border-top: 1px solid var(--line); }
.interest-row {
  display: grid;
  grid-template-columns: 60px minmax(220px, 0.8fr) minmax(300px, 1.2fr) 30px;
  align-items: center;
  gap: 30px;
  min-height: 132px;
  border-bottom: 1px solid var(--line);
  transition: padding 240ms ease, background 240ms ease;
}
.interest-row:hover { padding-right: 20px; padding-left: 20px; background: var(--paper-raised); }
.interest-number { color: var(--coral); font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-weight: 800; }
.interest-row h3 { margin: 0; font-family: Arial, Helvetica, sans-serif; font-size: clamp(1.25rem, 2vw, 1.8rem); font-weight: 750; letter-spacing: -0.025em; }
.interest-row p { max-width: 640px; margin: 0; color: var(--muted); line-height: 1.7; }
.row-arrow { color: var(--muted); font-size: 20px; transition: transform 220ms ease; }
.interest-row:hover .row-arrow { transform: translate(3px, -3px); color: var(--coral); }

.work-section { background: var(--paper-raised); }
.work-heading { margin-bottom: 36px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 9px; margin: 0 0 34px calc(35% + 4vw); }
.filter { padding: 9px 14px; border: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 12px; font-weight: 800; transition: background 180ms ease, color 180ms ease; }
.filter:hover { color: var(--ink); }
.filter.active { border-radius: 0; background: var(--brand); color: var(--on-brand); }

.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.project-card[hidden] { display: none; }
.project-card { position: relative; display: flex; min-height: 430px; flex-direction: column; padding: 28px; overflow: hidden; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 0 0 rgba(0,0,0,0); animation: cardIn 320ms ease both; transition: transform 220ms ease, box-shadow 220ms ease; }
.project-card::before { position: absolute; top: -100px; right: -90px; width: 210px; height: 210px; border-radius: 50%; background: var(--card-accent); opacity: 0.13; content: ""; }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.accent-coral { --card-accent: var(--coral); }
.accent-green { --card-accent: var(--green); }
.accent-blue { --card-accent: var(--blue); }
.project-topline { position: relative; display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.project-topline p { margin: 0; }
.project-card h3 { position: relative; max-width: 360px; margin: 72px 0 20px; font-family: Arial, Helvetica, sans-serif; font-size: clamp(1.65rem, 2.2vw, 2.25rem); font-weight: 750; letter-spacing: -0.035em; line-height: 1.08; }
.project-summary { position: relative; margin: 0; color: var(--muted); line-height: 1.68; }
.method-list { position: relative; display: flex; flex-wrap: wrap; gap: 7px; margin: auto 0 0; padding: 30px 0 0; list-style: none; }
.method-list li { padding: 7px 9px; border: 1px solid var(--line); font-size: 10px; font-weight: 800; }
.project-link { position: relative; display: inline-flex; align-items: center; align-self: flex-start; gap: 14px; margin-top: 18px; padding: 4px 0; border: 0; border-bottom: 1px solid currentColor; border-radius: 0; color: var(--ink); font-size: 11px; font-weight: 800; }
.project-link:hover,
.project-link:focus-visible { background: transparent; outline: 2px solid var(--interactive-outline); outline-offset: 4px; }
.project-link:active { background: transparent; outline: 3px solid var(--interactive-outline); outline-offset: 2px; }

.profile-section { background: var(--paper); }
.profile-heading { margin-bottom: 52px; }
.profile-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr); gap: 7vw; align-items: start; }
.experience-panel > h3, .profile-sidebar h3 {
  margin: 0;
  padding: 28px 0 24px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.experience-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.experience-list > li { display: grid; grid-template-columns: 125px 1fr; gap: 28px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.experience-period { color: var(--coral); font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-weight: 800; line-height: 1.5; }
.experience-organization { margin: 0 0 8px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; }
.experience-list h4 { margin: 0; font-family: Arial, Helvetica, sans-serif; font-size: clamp(1.25rem, 2vw, 1.7rem); font-weight: 750; letter-spacing: -0.025em; }
.experience-link { color: inherit; text-decoration: none; outline: 1px solid transparent; outline-offset: 2px; transition: color 140ms ease, background-color 140ms ease, outline-color 140ms ease, box-shadow 100ms ease; }
.experience-link:hover { color: inherit; border-radius: 0; background: transparent; outline: 2px solid var(--interactive-outline); outline-offset: 3px; }
.experience-link:focus-visible { color: inherit; border-radius: 0; background: transparent; outline: 2px solid var(--interactive-outline); outline-offset: 3px; }
.experience-link:active { color: inherit; border-radius: 0; background: transparent; outline: 3px solid var(--interactive-outline); outline-offset: 1px; box-shadow: none; }
.experience-description { max-width: 690px; margin: 11px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.profile-sidebar { display: flex; flex-direction: column; gap: 18px; }
.publication-block { padding: 0 32px 32px; background: var(--brand); color: var(--on-brand); box-shadow: var(--shadow); }
.publication-block h3 { color: var(--on-brand); }
.publication-block .publication-list { margin: 0; padding: 0; background: transparent; list-style: none; }
.publication-block li { display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; padding: 19px 0; border-top: 1px solid rgba(255, 255, 255, 0.22); }
.publication-block li > span { color: var(--coral); font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-weight: 800; line-height: 1.5; }
.publication-block li > p { margin: 0; font-size: 13px; line-height: 1.65; }
.publication-block a { grid-column: 2; width: fit-content; margin-top: 12px; padding: 5px 7px; border-bottom: 1px solid rgba(255, 255, 255, 0.38); border-radius: 0; font-size: 11px; font-weight: 800; }
.publication-block a:hover,
.publication-block a:focus-visible { background: transparent; outline: 2px solid #ffffff; outline-offset: 3px; }
.publication-block a:active { background: transparent; outline: 3px solid #ffffff; outline-offset: 2px; }
.skills-block { padding: 28px 30px; border: 1px solid var(--line); background: var(--paper-raised); }
.skills-block ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.skills-block li { padding: 8px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 11px; font-weight: 700; }
.awards-disclosure { border: 1px solid var(--line); background: var(--paper-raised); }
.awards-disclosure summary { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-radius: 0; cursor: pointer; font-size: 12px; font-weight: 800; list-style: none; }
.awards-disclosure summary::-webkit-details-marker { display: none; }
.awards-disclosure[open] summary span { transform: rotate(45deg); }
.awards-disclosure ul { margin: 0; padding: 0 20px 18px 42px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.awards-disclosure li + li { margin-top: 8px; }

.direction-section { --interactive-outline: #ffffff; padding-bottom: 90px; background: var(--direction-bg); color: var(--direction-text); }
.direction-section .section-index { color: var(--coral); }
.direction-intro { display: grid; grid-template-columns: 1fr 1.6fr; column-gap: 8vw; }
.direction-intro .section-index { grid-row: span 2; }
.direction-intro > p:last-child { color: var(--direction-muted); }
.direction-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; margin-top: 100px; padding-top: 48px; border-top: 1px solid var(--direction-line); }
.direction-columns h3 { margin: 0 0 34px; color: var(--direction-muted); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; }
.journey-block ol, .future-block ul { margin: 0; padding: 0; list-style: none; }
.journey-block li { display: grid; grid-template-columns: 100px 1fr; gap: 24px; padding: 23px 0; border-bottom: 1px solid var(--direction-line); }
.journey-block li.trajectory-highlight { animation: trajectory-highlight 2.6s ease-out both; }
@keyframes trajectory-highlight {
  0%, 18% { background-color: rgba(255, 255, 255, 0.13); box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.42); }
  100% { background-color: transparent; box-shadow: 0 0 0 1px transparent; }
}
.journey-block li > span { color: var(--coral); font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-weight: 800; line-height: 1.5; }
.journey-block strong { display: block; font-family: Arial, Helvetica, sans-serif; font-size: 20px; font-weight: 750; }
.institution-link { color: inherit; text-decoration: none; outline: 1px solid transparent; outline-offset: 3px; transition: color 140ms ease, background-color 140ms ease, outline-color 140ms ease, box-shadow 100ms ease, transform 100ms ease; }
.institution-link:hover { color: inherit; border-radius: 0; background: transparent; outline: 2px solid var(--interactive-outline); outline-offset: 3px; }
.institution-link:focus-visible { color: inherit; border-radius: 0; background: transparent; outline: 2px solid var(--interactive-outline); outline-offset: 3px; }
.institution-link:active { color: inherit; border-radius: 0; background: transparent; outline: 3px solid var(--interactive-outline); outline-offset: 1px; box-shadow: none; }
.programme-link { color: inherit; text-decoration: none; outline: 1px solid transparent; outline-offset: 2px; transition: color 140ms ease, background-color 140ms ease, outline-color 140ms ease, box-shadow 100ms ease; }
.programme-link:hover { color: inherit; border-radius: 0; background: transparent; outline: 2px solid var(--interactive-outline); outline-offset: 3px; }
.programme-link:focus-visible { color: inherit; border-radius: 0; background: transparent; outline: 2px solid var(--interactive-outline); outline-offset: 3px; }
.programme-link:active { color: inherit; border-radius: 0; background: transparent; outline: 3px solid var(--interactive-outline); outline-offset: 1px; box-shadow: none; }
.journey-block p { margin: 6px 0 0; color: var(--direction-muted); font-size: 13px; line-height: 1.6; }
.future-block li { display: grid; grid-template-columns: 46px 1fr; gap: 20px; padding: 17px 0 25px; }
.future-block li > span { display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid var(--direction-line); border-radius: 50%; color: var(--direction-highlight); font-size: 10px; }
.future-block p { max-width: 500px; margin: 2px 0 0; font-family: Arial, Helvetica, sans-serif; font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 700; line-height: 1.35; }
.closing-statement { display: grid; grid-template-columns: 0.55fr 1.45fr; gap: 8vw; align-items: start; margin-top: 95px; padding-top: 42px; border-top: 1px solid var(--direction-line); }
.closing-statement > span { color: var(--direction-muted); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; }
.closing-statement blockquote { max-width: 850px; margin: 0; font-family: Arial, Helvetica, sans-serif; font-size: clamp(1.75rem, 3vw, 3.2rem); font-weight: 750; letter-spacing: -0.04em; line-height: 1.12; }

.contact-section { display: grid; grid-template-columns: minmax(0, 0.75fr) minmax(480px, 1.25fr); gap: 8vw; align-items: end; padding: 92px 7vw; border-bottom: 1px solid var(--line); background: var(--paper-raised); scroll-margin-top: 78px; }
.contact-copy h2 { max-width: 620px; margin: 15px 0 15px; font-family: Arial, Helvetica, sans-serif; font-size: clamp(2.5rem, 4.5vw, 5rem); font-weight: 750; letter-spacing: -0.05em; line-height: 0.98; }
.contact-copy > p:last-child { max-width: 500px; margin: 0; color: var(--muted); line-height: 1.7; }
.contact-links { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-link { display: grid; width: 100%; grid-template-columns: 46px minmax(0, 1fr) auto; gap: 14px; align-items: center; min-height: 92px; padding: 18px; border: 1px solid var(--line); border-radius: 0; background: var(--paper); color: inherit; cursor: pointer; text-align: left; }
.contact-link:hover { background: color-mix(in srgb, var(--paper) 88%, var(--green-bright)); }
.contact-icon { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 2px; background: var(--brand); color: var(--on-brand); font-family: Arial, Helvetica, sans-serif; font-size: 16px; font-weight: 800; }
.linkedin-icon { font-family: Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: -0.05em; }
.contact-label { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.contact-label strong { font-family: Arial, Helvetica, sans-serif; font-size: 17px; font-weight: 750; }
.contact-label small { overflow: hidden; color: var(--muted); font-size: 10px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.contact-arrow { color: var(--muted); font-size: 18px; transition: transform 180ms ease, color 180ms ease; }
.contact-link:hover .contact-arrow { transform: translate(3px, -3px); color: var(--coral); }
.copy-toast { position: fixed; z-index: 120; right: 24px; bottom: 24px; display: flex; align-items: center; gap: 10px; padding: 13px 17px; border: 1px solid color-mix(in srgb, var(--green) 42%, var(--line)); border-radius: 2px; background: var(--brand); color: var(--on-brand); box-shadow: var(--shadow); font-size: 13px; font-weight: 700; opacity: 0; pointer-events: none; transform: translateY(14px); transition: opacity 180ms ease, transform 180ms ease; }
.copy-toast.visible { opacity: 1; transform: translateY(0); }
.copy-toast span { display: grid; width: 20px; height: 20px; place-items: center; border-radius: 50%; background: var(--coral); color: #fff; font-size: 11px; }

.site-footer { display: flex; align-items: center; justify-content: flex-end; gap: 24px; max-width: 1440px; min-height: 92px; margin: 0 auto; padding: 24px 7vw; background: var(--paper); color: var(--muted); font-size: 12px; }
.site-footer a { padding: 6px 8px; border-bottom: 1px solid var(--line); border-radius: 0; color: var(--ink); font-weight: 700; }

:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; border-radius: 0; }

@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes cardIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 980px) {
  .hero { padding-top: 70px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card { min-height: 340px; }
  .filter-bar { margin-left: 0; }
  .profile-grid { grid-template-columns: 1fr; gap: 70px; }
  .contact-section { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 760px) {
  .site-header { min-height: 68px; padding: 0 22px; }
  .brand-name { display: none; }
  .menu-button { display: block; padding: 9px 12px; border: 1px solid var(--line); border-radius: 0; background: var(--paper-raised); color: var(--ink); cursor: pointer; font-size: 12px; font-weight: 800; }
  .nav { position: fixed; top: 68px; right: 0; left: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 18px 22px 25px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 16px 0; border-bottom: 1px solid var(--soft-line); font-family: Georgia, serif; font-size: 24px; font-weight: 400; }
  .nav a::after { display: none; }
  .theme-toggle { align-self: flex-start; margin-top: 18px; }
  .hero { min-height: auto; padding: 68px 22px 75px; }
  .status-line { margin-bottom: 40px; font-size: 10px; }
  .hero h1 { font-size: clamp(2.9rem, 14vw, 4.8rem); }
  .hero-intro { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 12px; }
  .button.text-button { align-self: flex-start; }
  .section { padding: 88px 22px; scroll-margin-top: 68px; }
  .section-heading, .direction-intro { grid-template-columns: 1fr; gap: 30px; }
  .section-heading h2, .direction-intro h2 { margin-top: 0; }
  .section-heading { margin-bottom: 45px; }
  .interest-row { grid-template-columns: 42px 1fr 20px; gap: 14px; padding: 24px 0; }
  .interest-row p { grid-column: 2 / 4; }
  .interest-row:hover { padding-right: 10px; padding-left: 10px; }
  .project-card { min-height: 380px; padding: 23px; }
  .project-card h3 { margin-top: 54px; }
  .experience-list > li { grid-template-columns: 1fr; gap: 10px; }
  .publication-block { padding: 0 22px 25px; }
  .direction-intro .section-index { grid-row: auto; }
  .direction-columns { grid-template-columns: 1fr; gap: 70px; margin-top: 70px; }
  .closing-statement { grid-template-columns: 1fr; gap: 24px; margin-top: 70px; }
  .contact-section { grid-template-columns: 1fr; gap: 42px; padding: 72px 22px; scroll-margin-top: 68px; }
  .contact-links { grid-template-columns: 1fr; }
  .site-footer { justify-content: space-between; gap: 16px; padding: 28px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}