/* ===== Engineers - design tokens ===== */
@import url('https://bit.ly/3CZa0Sz');

:root {
  --bg: #ffffff;
  --surface: #f4f4f4;
  --text: #000000;
  --muted: #5c5c5c;
  --border: rgba(0, 0, 0, .13);
  --accent: #043299;
  --accent-soft: #345bc2;
  --accent-tint: rgba(4, 50, 153, .08);
  --card-fill: #043299;

  /* extra palette, unused for now, reach for these on accent chips / tags / callouts */
  --purple: #ca8eff;
  --red: #f5423d;
  --orange: #eb6132;
  --yellow: #fff48c;
  --mint: #a5f2cc;

  --radius: 6px;
  --font: 'line_seed_sans_th', 'Inter', 'IBM Plex Sans Thai', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --dur: .18s;
}

:root[data-theme="dark"] {
  --bg: #121214;
  --surface: #1c1c1f;
  --text: #ffffff;
  --muted: #9a9a9a;
  --border: rgba(255, 255, 255, .12);
  --accent: #5c85ff;
  --accent-soft: #8aa8ff;
  --accent-tint: rgba(92, 133, 255, .14);
  --card-fill: #16296b;
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

@media (max-width: 600px) {
  html {
    font-size: 14px
  }
}

@media (max-width: 380px) {
  html {
    font-size: 13px
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

::selection {
  background: var(--accent-tint);
  color: var(--text)
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px
}

::-webkit-scrollbar-track {
  background: transparent
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 99px
}

a {
  color: inherit;
  text-decoration: none
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 300;
  letter-spacing: -.01em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem)
}

h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem)
}

h3 {
  font-size: 1.1rem;
  font-weight: 400
}

p {
  margin: 0
}

.container-xl {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px
}

/* ===== Navbar ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: transparent;
  color: #fff;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.nav.solid {
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 1px 0 var(--border);
}

.nav.no-banner {
  background: var(--bg);
  color: var(--text);
}

.nav.no-banner + section {
  padding-top: 132px
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: inherit;
}

.brand .brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.brand i {
  font-size: .95rem;
  color: #fff
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0
}

.nav-links a {
  position: relative;
  font-size: .85rem;
  color: rgba(255, 255, 255, .75);
  padding: 4px 0;
  transition: color var(--dur) var(--ease);
}

.nav.solid .nav-links a,
.nav.no-banner .nav-links a {
  color: var(--muted)
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.nav.solid .nav-links a::after,
.nav.no-banner .nav-links a::after {
  background: var(--accent)
}

.nav-links a:hover {
  color: #fff
}

.nav.solid .nav-links a:hover,
.nav.no-banner .nav-links a:hover {
  color: var(--text)
}

.nav-links a:hover::after {
  transform: scaleX(1)
}

.nav-links a.active {
  color: #fff
}

.nav.solid .nav-links a.active,
.nav.no-banner .nav-links a.active {
  color: var(--text)
}

.nav-links a.active::after {
  transform: scaleX(1)
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 6px
}

.tool-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: var(--radius);
  background: transparent;
  color: #fff;
  font-size: .8rem;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.nav.solid .tool-btn,
.nav.no-banner .tool-btn {
  border-color: transparent;
  background: var(--surface);
  color: var(--muted);
}

.tool-btn:hover,
.tool-btn:focus-visible {
  color: rgba(255, 255, 255, .7);
  outline: none;
}

.nav.solid .tool-btn:hover,
.nav.solid .tool-btn:focus-visible,
.nav.no-banner .tool-btn:hover,
.nav.no-banner .tool-btn:focus-visible {
  color: var(--accent);
}

.lang-btn {
  width: auto;
  padding: 0 10px;
  font-family: var(--font);
  font-size: .75rem;
  letter-spacing: .03em
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer
}

/* ===== Buttons ===== */
.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--text);
  border-radius: var(--radius);
  font-size: .85rem;
  color: var(--text);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.btn-line:hover {
  border-color: var(--accent);
  color: var(--accent)
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-size: .85rem;
  color: #fff;
  background: var(--accent);
  transition: background var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.btn-accent:hover {
  opacity: .85
}

/* ===== Sections ===== */
section {
  padding: 72px 0
}

/* ===== Alumni search + bar chart ===== */
.alumni-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin-bottom: 32px;
}

.alumni-search {
  flex: 1 1 260px;
  max-width: 340px;
}

.alumni-search input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--border);
  background: none;
  padding: 6px 2px 8px;
  color: var(--text);
  font-family: var(--font);
  font-size: .88rem;
  transition: border-color var(--dur) var(--ease);
}

.alumni-search input::placeholder {
  color: var(--muted);
}

.alumni-search input:focus {
  outline: none;
  border-color: var(--accent);
}

.alumni-search-count {
  display: block;
  margin-top: 8px;
  font-size: .74rem;
  color: var(--accent);
  min-height: 1.2em;
}

.alumni-toolbar .tab-btns {
  margin: 0;
}

.alumni-table tr {
  transition: opacity var(--dur) var(--ease), background var(--dur) var(--ease);
}

.alumni-table tr td:first-child {
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.alumni-table tr.row-match td:first-child {
  border-left-color: var(--accent);
  padding-left: 10px;
}

.alumni-table tr.row-match {
  background: var(--accent-tint);
}

.alumni-table tr.row-dim {
  opacity: .35;
}

@media (max-width: 700px) {
  .alumni-toolbar {
    align-items: stretch;
  }

  .alumni-search {
    max-width: none;
  }
}

/* ===== Breadcrumb strip (below banner) ===== */
.breadcrumb {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: .82rem;
  color: var(--muted);
}

.breadcrumb a {
  color: inherit;
  transition: color var(--dur) var(--ease);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .sep {
  margin: 0 8px;
  color: var(--border);
  font-size: .68rem;
}

.breadcrumb .current {
  color: var(--text);
}

/* ===== Full-bleed page header banner ===== */
.hero-banner {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 0;
  margin: 0;
}

.hero-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, .8) 0%, rgba(0, 0, 0, .6) 45%, rgba(0, 0, 0, .75) 100%);
}

.hero-banner .container-xl {
  position: relative;
  width: 100%;
}

.hero-banner .eyebrow {
  color: rgba(255, 255, 255, .8)
}

.hero-banner h1 {
  color: #fff
}

.hero-banner .lead {
  color: rgba(255, 255, 255, .82)
}

@media (max-width: 700px) {
  .hero-banner {
    min-height: 52vh
  }
}

/* ===== Hero stats ===== */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  border-top: 1px solid var(--border);
}

.hero-stats>div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stats .num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text);
}

.hero-stats .label {
  font-size: .7rem;
  color: var(--muted);
  letter-spacing: .02em;
}

.eyebrow {
  font-size: .7rem;
  color: var(--accent);
  letter-spacing: .14em;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.eyebrow i {
  font-size: .8rem
}

.lead {
  color: var(--muted);
  font-size: .95rem;
  max-width: 640px
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0
}

/* ===== Hero terminal ===== */
.term-card {
  padding: 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: .78rem;
  text-align: left;
  background: var(--surface);
  border-radius: var(--radius);
}

.term-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.term-head i {
  color: var(--accent);
  font-size: .85rem;
}

.term-log {
  padding: 14px 18px;
  height: 220px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.term-line .prompt {
  color: var(--accent);
  margin-right: 6px;
}

.term-out {
  color: var(--muted);
  padding-left: 15px;
}

.term-cursor {
  display: inline-block;
  width: 6px;
  height: 13px;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: -2px;
  animation: term-blink 1s steps(1) infinite;
}

@keyframes term-blink {
  50% {
    opacity: 0
  }
}

/* ===== Popup content re-used pieces ===== */
.glance-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-tint);
  color: var(--accent);
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.feature-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px 20px;
  margin-top: 8px;
}

.feature-stats > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-stats i {
  color: var(--accent);
  font-size: 1rem;
}

.feature-stats .num {
  font-size: 1.3rem;
  font-weight: 500;
}

.feature-stats .label {
  font-size: .74rem;
  color: var(--muted);
  line-height: 1.4;
}

.feature-alumni {
  display: flex;
  flex-direction: column;
  margin-top: 4px;
}

.feature-alumni .alum-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}

.feature-alumni .alum-row:first-child {
  border-top: none;
}

.feature-alumni i {
  color: var(--accent);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.feature-alumni .code {
  display: block;
  font-weight: 500;
  color: var(--text);
  font-size: .85rem;
}

.feature-alumni .full-name {
  display: block;
  color: var(--muted);
  font-size: .76rem;
  margin-top: 2px;
  line-height: 1.5;
}

/* ===== Glance cards + popups ===== */
.glance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--card-fill);
  border-radius: 14px;
  overflow: hidden;
}

.glance-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-left: 1px solid rgba(255, 255, 255, .15);
  padding: 36px 32px;
  min-height: 350px;
  gap: 4px;
}

.glance-card:first-child {
  border-left: none;
}

.glance-card .glance-icon {
  background: rgba(255, 255, 255, .16);
  color: #fff;
  margin-bottom: 20px;
}

.glance-icon--red,
.glance-card .glance-icon--red {
  background: var(--red);
  color: #fff;
}

.glance-icon--yellow,
.glance-card .glance-icon--yellow {
  background: var(--yellow);
  color: var(--accent);
}

.glance-icon--white,
.glance-card .glance-icon--white {
  background: #fff;
  color: var(--accent);
}

.glance-card h3 {
  color: #fff;
  margin-bottom: 12px;
}

.glance-card p {
  color: rgba(255, 255, 255, .75);
  font-size: .85rem;
  line-height: 1.7;
  flex: 1;
}

.see-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 24px;
  padding: 0;
  border: none;
  background: none;
  color: #fff;
  font-family: var(--font);
  font-size: .8rem;
  cursor: pointer;
  transition: gap var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.see-more:hover {
  opacity: .8;
  gap: 8px;
}

.popup {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, .5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}

.popup.open {
  opacity: 1;
  pointer-events: auto;
}

.popup-card {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 86vh;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 44px 40px 40px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
  transform: scale(.97);
  transition: transform .22s ease;
}

.popup.open .popup-card {
  transform: scale(1);
}

.popup-card .glance-icon {
  margin-bottom: 18px;
}

.popup-card h3 {
  margin-bottom: 24px;
}

.popup-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  font-size: .85rem;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.popup-close:hover {
  color: var(--accent);
}

@media (max-width: 860px) {
  .glance-grid {
    grid-template-columns: 1fr;
  }

  .glance-card {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, .15);
  }

  .glance-card:first-child {
    border-top: none;
  }

  .feature-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Cards ===== */
.card-line {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  background: transparent;
  transition: border-color var(--dur) var(--ease);
}

.card-line:hover {
  border-color: var(--accent)
}

.card-line i {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 14px;
  display: block
}

.card-line h3 {
  margin-bottom: 6px
}

.card-line p {
  color: var(--muted);
  font-size: .85rem
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .68rem;
  color: var(--muted);
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 99px;
}

.alumni-teaser-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.alumni-teaser-label i {
  font-size: .85rem;
}

.alumni-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
}

.alumni-strip i {
  color: var(--accent);
  margin-right: 6px;
  font-size: .82rem;
}

.alumni-strip .sep {
  color: var(--border);
  font-weight: 400;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--text);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), gap var(--dur) var(--ease);
}

.link-arrow:hover {
  color: var(--accent);
  gap: 10px
}

/* ===== Steps (Join us) ===== */
.step {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--border)
}

.step:last-child {
  border-bottom: 1px solid var(--border)
}

.step-num {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--accent);
  width: 32px;
  flex-shrink: 0
}

.step h3 {
  margin-bottom: 6px
}

.step p {
  color: var(--muted);
  font-size: .85rem
}

/* ===== Table (competitions/events list) ===== */
.row-line {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.row-line:last-child {
  border-bottom: 1px solid var(--border)
}

.row-line .date {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--muted)
}

.row-line h3 {
  font-size: .95rem
}

.row-line .meta {
  font-size: .78rem;
  color: var(--muted)
}

/* ===== Report article page ===== */
.back-link {
  display: inline-flex;
  margin-bottom: 22px;
}

.report-article h3 {
  font-size: 1.02rem;
  font-weight: 500;
  margin: 30px 0 12px;
}

.report-article h3:first-child {
  margin-top: 0;
}

.report-article p {
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.85;
  margin-bottom: 14px;
  text-align: justify;
  text-justify: inter-word;
}

.report-figure {
  margin: 4px 0 22px;
}

.report-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.report-figure figcaption {
  font-size: .74rem;
  color: var(--muted);
  margin-top: 8px;
  text-align: center;
}

.report-diagram {
  margin: 4px 0 22px;
  padding: 18px 16px 14px;
  background: var(--accent-tint);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
}

.report-diagram svg {
  width: 100%;
  max-width: 380px;
  height: auto;
  color: var(--text);
}

.report-diagram figcaption {
  font-size: .74rem;
  color: var(--muted);
  margin-top: 10px;
}

.report-table,
.report-table td,
.report-table th {
  font-family: var(--font);
}

.table-wrap {
  overflow-x: auto;
  margin: 12px 0 22px;
}

.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}

.report-table th {
  text-align: left;
  font-size: .66rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 0 24px 12px 0;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.report-table td {
  padding: 14px 24px 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  vertical-align: top;
  line-height: 1.65;
}

.report-table td:first-child {
  color: var(--text);
  font-weight: 500;
  width: 1%;
  white-space: nowrap;
}

.alumni-table td:nth-child(2),
.alumni-table th:nth-child(2) {
  width: 26%;
  min-width: 200px;
}

.report-table tr:last-child td {
  border-bottom: none;
}

/* ===== Tab selector ===== */
.tab-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.tab-btn {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: none;
  color: var(--muted);
  font-family: var(--font);
  font-size: .74rem;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ===== Grade section head ===== */
.grade-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.grade-head i {
  font-size: 1.6rem;
  color: var(--accent);
  flex-shrink: 0;
}

.grade-head h2 {
  margin-bottom: 4px;
}

.grade-head .lead {
  margin: 0;
}

/* ===== Alumni pathways ===== */
/* ===== Illustration banners ===== */
.illus-card {
  border-radius: 20px;
  background: var(--surface);
  aspect-ratio: 16/11;
  overflow: hidden;
}

.illus-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block
}

.illus-banner {
  width: 100%;
  border-radius: 20px;
  aspect-ratio: 3.8;
  overflow: hidden;
  background: var(--surface)
}

.illus-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  object-position: center
}

@media (max-width:700px) {
  .illus-banner {
    aspect-ratio: 2
  }
}

/* ===== Photo gallery (polaroid) ===== */
.gallery-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px 18px;
  padding: 10px 0 6px;
}

.gallery-item {
  appearance: none;
  border: none;
  width: 168px;
  padding: 10px 10px 32px;
  background: #fafaf6;
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .15), 0 10px 20px -8px rgba(0, 0, 0, .35);
  cursor: pointer;
  transform: rotate(var(--r, 0deg));
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.gallery-item:nth-child(5n+1) {
  --r: -3deg;
}

.gallery-item:nth-child(5n+2) {
  --r: 2deg;
}

.gallery-item:nth-child(5n+3) {
  --r: -1.5deg;
}

.gallery-item:nth-child(5n+4) {
  --r: 3deg;
}

.gallery-item:nth-child(5n+5) {
  --r: -2.5deg;
}

.gallery-item:hover,
.gallery-item:focus-visible {
  transform: rotate(0deg) translateY(-6px) scale(1.05);
  box-shadow: 0 4px 10px rgba(0, 0, 0, .2), 0 18px 30px -10px rgba(0, 0, 0, .4);
  z-index: 2;
}

.gallery-item img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: saturate(.96) contrast(1.02);
}

@media (max-width:700px) {
  .gallery-grid {
    gap: 18px 12px;
  }

  .gallery-item {
    width: 132px;
    padding: 8px 8px 26px;
  }
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .92);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 86vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  opacity: 0;
  transform: scale(.97);
  transition: opacity .2s ease, transform .2s ease;
}

.lightbox.open .lightbox-img {
  opacity: 1;
  transform: scale(1);
}

.lightbox-close,
.lightbox-nav {
  position: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .06);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.lightbox-close:hover,
.lightbox-nav:hover {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .35);
}

.lightbox-close {
  top: 20px;
  right: 20px;
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-count {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, .7);
  font-size: .78rem;
  font-family: var(--font-mono);
}

@media (max-width:700px) {
  .lightbox-nav {
    width: 38px;
    height: 38px;
  }

  .lightbox-prev {
    left: 8px
  }

  .lightbox-next {
    right: 8px
  }

  .lightbox-close {
    top: 12px;
    right: 12px
  }
}

/* ===== Tool stack ===== */
.tool-cat {
  margin-bottom: 40px;
}

.tool-cat-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.tool-cat-head i {
  font-size: 1rem;
  color: var(--accent);
}

.tool-cat-head h3 {
  font-size: .95rem;
  font-weight: 500;
}

.tool-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  flex: 0 0 96px;
  width: 96px;
}

.tool-tile:hover {
  background: var(--accent-tint);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -8px rgba(0, 0, 0, .25);
}

.tool-tile img,
.tool-tile i {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: block;
}

.tool-tile img {
  background: #fff;
  border-radius: 5px;
  padding: 3px;
}

.tool-tile i {
  font-size: 1.5rem;
  color: var(--muted);
  line-height: 26px;
  transition: color var(--dur) var(--ease);
}

.tool-tile:hover i {
  color: var(--accent);
}

.tool-tile span {
  font-size: .64rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.3;
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
  transition: color var(--dur) var(--ease);
}

.tool-tile:hover span {
  color: var(--accent);
}

/* ===== Contact links ===== */
.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: .85rem;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}

.contact-link:last-child {
  border-bottom: 1px solid var(--border)
}

.contact-link i:first-child {
  color: var(--accent);
  font-size: 1rem;
  width: 18px;
  flex-shrink: 0
}

.contact-link span {
  flex: 1;
  word-break: break-all
}

.contact-link .ext {
  font-size: .7rem;
  color: var(--muted);
  flex-shrink: 0
}

.contact-link:hover {
  color: var(--accent)
}

/* ===== Collapsible rows (competitions with detail) ===== */
.comp-item {
  border-top: 1px solid var(--border)
}

.comp-item:last-child {
  border-bottom: 1px solid var(--border)
}

.comp-row {
  width: 100%;
  background: none;
  border: none;
  border-left: 2px solid transparent;
  text-align: left;
  cursor: pointer;
  color: inherit;
  font-family: inherit;
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0 16px 14px;
  margin-left: -14px;
  transition: border-color .2s var(--ease);
}

.comp-row:hover {
  border-left-color: var(--accent);
}

.comp-row .date {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--muted)
}

.comp-row h3 {
  font-size: .95rem;
  margin-bottom: 2px;
  transition: color .2s var(--ease);
}

.comp-row:hover h3 {
  color: var(--accent);
}

.comp-row .meta {
  font-size: .78rem;
  color: var(--muted)
}

.comp-row .chevron {
  color: var(--muted);
  font-size: .8rem;
  transition: transform .22s var(--ease), color .22s var(--ease)
}

.comp-row:hover .chevron {
  color: var(--accent);
}

.comp-row:hover .chevron.bi-arrow-right {
  transform: translateX(4px);
}

.comp-item.open .comp-row .chevron {
  transform: rotate(180deg);
  color: var(--accent)
}

.comp-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease)
}

.comp-detail-inner {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding: 2px 0 24px 126px
}

.comp-detail-img {
  width: 160px;
  height: 112px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  flex-shrink: 0
}

.comp-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block
}

.comp-detail-body {
  flex: 1;
  min-width: 220px
}

.comp-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .7rem;
  color: var(--accent);
  letter-spacing: .05em;
  text-transform: uppercase;
  font-weight: 500;
  padding-left: 10px;
  border-left: 2px solid var(--accent);
  margin-bottom: 12px;
}

.comp-badge i {
  font-size: .85rem
}

.comp-people-label {
  font-size: .68rem;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: 18px;
  margin-bottom: 10px
}

.comp-people {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0 0 14px;
  padding: 0
}

.comp-people li {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0;
  font-size: .82rem;
  line-height: 1.5
}

.comp-people li i {
  color: var(--accent);
  font-size: .72rem;
  flex-shrink: 0
}

.comp-people li b {
  font-weight: 500
}

.comp-people li span {
  color: var(--muted)
}

.comp-note {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 12px
}

.lesson-list {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.9;
  margin: 0 0 12px;
  padding-left: 1.1rem
}

.report-warn {
  display: flex;
  gap: 10px;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--accent-tint);
  border: 1px solid var(--accent-soft);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 4px 0 22px
}

.report-warn i {
  color: var(--accent);
  margin-top: 2px
}

.comp-winner {
  font-size: .85rem;
  line-height: 1.7;
  margin-bottom: 14px
}

.comp-winner strong {
  font-weight: 500
}

.comp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px
}

.report-inner {
  display: block;
  padding-left: 126px
}

.report-section {
  margin-bottom: 18px
}

.report-section:last-of-type {
  margin-bottom: 14px
}

.report-section p {
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.8;
  margin-bottom: 10px
}

.report-section p b {
  color: var(--text);
  font-weight: 500
}

.code-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 10px 0 16px;
  overflow-x: auto;
}

pre.code-block code {
  background: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.8;
  color: var(--text);
  white-space: pre;
  display: block;
}

.report-section ul {
  list-style: none;
  margin: 0;
  padding: 0
}

.report-section li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 4px 0;
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.6
}

.report-section li i {
  color: var(--accent);
  font-size: .72rem;
  margin-top: 6px;
  flex-shrink: 0
}

.report-section li b {
  color: var(--text);
  font-weight: 500
}

body code {
  font-family: var(--font-mono);
  font-size: .82em;
  color: var(--accent);
  background: var(--surface);
  padding: 1px 5px;
  border-radius: 4px
}

.report-table code {
  background: none;
  padding: 0
}

/* ===== Event cards ===== */
.event-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .28s var(--ease);
}

.event-card:hover {
  transform: translateY(-5px)
}

.event-img {
  aspect-ratio: 16/10;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden
}

.event-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s var(--ease)
}

.event-card:hover .event-img img {
  transform: scale(1.05)
}

.event-img i {
  font-size: 1.6rem;
  color: var(--accent);
  opacity: .5
}

.event-body {
  padding: 18px
}

.event-date {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--muted)
}

.event-body h3 {
  margin: 6px 0 8px
}

.event-body p {
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.7;
  margin-bottom: 14px
}

.event-fb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--text);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease)
}

.event-fb:hover {
  color: var(--accent);
  border-color: var(--accent)
}

/* ===== Info rows (about major) ===== */
.info-row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--border)
}

.info-row:last-child {
  padding-bottom: 0
}

.info-row i {
  font-size: 1rem;
  color: var(--accent);
  width: 20px;
  flex-shrink: 0;
  margin-top: 2px
}

.info-row .info-label {
  font-size: .68rem;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 2px
}

.info-row .info-value {
  font-size: .9rem
}

/* ===== Description panel ===== */
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px
}

.panel .kicker {
  font-size: .68rem;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 6px
}

.panel .kicker-th {
  font-size: .95rem;
  font-weight: 500;
  margin-bottom: 14px
}

.panel p.body-text {
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.85;
  margin-bottom: 16px
}

.panel ul {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.9
}

/* ===== Filled panel (dark-blue card) ===== */
.panel--filled {
  background: var(--card-fill);
  border: none;
  border-radius: 16px;
  padding: 36px;
  color: #fff;
}

.panel--cta {
  padding: 56px 40px;
}

.btn-line--light {
  border-color: rgba(255, 255, 255, .5);
  color: #fff;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.btn-line--light:hover {
  background: #fff;
  border-color: #fff;
  color: var(--accent);
}

.panel--filled .panel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, .16);
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 18px;
}

.panel-top {
  display: flex;
  align-items: center;
  gap: 18px;
}

.panel-top .panel-icon {
  margin-bottom: 0;
}

.panel-top h3 {
  font-weight: 500;
}

.panel--filled h3 {
  color: #fff;
}

.panel--filled .kicker,
.panel--filled .info-label,
.panel--filled .lead,
.panel--filled .score-name,
.panel--filled .round-tag,
.panel--filled .round p {
  color: rgba(255, 255, 255, .68);
}

.panel--filled .info-value,
.panel--filled .score-pct,
.panel--filled .round-title,
.panel--filled p {
  color: #fff;
}

.panel--filled .fw-medium {
  color: #fff;
}

.panel--filled .info-row i,
.panel--filled .score-name i,
.panel--filled .round-num {
  color: #fff;
}

.panel--filled .score-cell {
  border-left-color: rgba(255, 255, 255, .25);
}

.panel--filled .round {
  border-top-color: rgba(255, 255, 255, .18);
}

.panel--filled .round-num {
  border-color: rgba(255, 255, 255, .35);
}

/* ===== Stat strip ===== */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface);
  border-radius: 14px;
  overflow: hidden;
}

.stat-cell {
  padding: 26px 22px;
  text-align: left;
  border-left: 1px solid var(--border);
}

.stat-cell:first-child {
  border-left: none;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 500;
  font-family: var(--font);
  letter-spacing: -.02em
}

.stat-label {
  font-size: .7rem;
  color: var(--muted);
  margin-top: 4px
}

/* ===== Score breakdown ===== */
.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 20px
}

.score-grid--row {
  grid-template-columns: repeat(5, 1fr);
}

@media (max-width: 700px) {
  .score-grid--row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.score-cell {
  padding: 0;
  border-left: 2px solid var(--border);
  padding-left: 14px
}

.score-pct {
  font-size: 1.2rem;
  font-weight: 500;
  font-family: var(--font);
  letter-spacing: -.02em
}

.score-name {
  font-size: .76rem;
  color: var(--muted);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap
}

/* ===== Round cards (admission rounds) ===== */
.round {
  padding: 16px 0;
  border-top: 1px solid var(--border)
}

.round:last-child {
  border-bottom: 1px solid var(--border)
}

.round-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px
}

.round-num {
  width: 26px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  color: var(--accent);
  flex-shrink: 0
}

.round-title {
  font-size: .9rem
}

.round-tag {
  font-size: .65rem;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-left: auto
}

.round p {
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.7;
  padding-left: 36px
}

/* ===== FAQ ===== */
.faq-item {
  border-top: 1px solid var(--border)
}

.faq-item:last-child {
  border-bottom: 1px solid var(--border)
}

.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font);
  font-size: .88rem;
  color: var(--text);
  cursor: pointer;
}

.faq-q i {
  color: var(--muted);
  font-size: .8rem;
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease)
}

.faq-item.open .faq-q i {
  transform: rotate(45deg);
  color: var(--accent)
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur) var(--ease)
}

.faq-a p {
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.8;
  padding-bottom: 18px
}

@media (max-width:700px) {
  .stat-strip {
    grid-template-columns: repeat(2, 1fr)
  }

  .stat-cell:nth-child(even) {
    border-left: none
  }

  .stat-cell:nth-child(n+3) {
    border-top: 1px solid var(--border)
  }
}

/* ===== Footer ===== */
.foot {
  border-top: 1px solid var(--border);
  padding: 40px 0 24px;
  margin-top: 40px
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
  font-weight: 500
}

.foot-brand .brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: .85rem;
}

.foot-tagline {
  color: var(--muted);
  font-size: .85rem;
  max-width: 420px;
  margin-top: 12px
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: .82rem;
  color: var(--muted)
}

.foot-nav a {
  color: var(--muted);
  transition: color var(--dur) var(--ease)
}

.foot-nav a:hover {
  color: var(--text)
}

.foot-nav span {
  color: var(--border)
}

.foot-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0 16px
}

.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px
}

.foot-bottom p {
  font-size: .75rem;
  color: var(--muted)
}

/* ===== Responsive ===== */
@media (max-width:860px) {
  .container-xl {
    padding: 0 18px
  }

  .brand {
    font-size: .85rem;
    gap: 6px
  }

  .nav-tools {
    gap: 4px
  }

  .lang-btn {
    padding: 0 8px
  }

  .nav-links {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 0 solid var(--border);
    max-height: 0;
    overflow: hidden;
    padding: 0 18px;
    transition: max-height var(--dur) var(--ease), border-bottom-width var(--dur) var(--ease);
  }

  .nav-links.open {
    max-height: 320px;
    padding: 8px 18px;
    border-bottom-width: 1px
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: .9rem;
    color: var(--muted)
  }

  .nav-links li:last-child a {
    border-bottom: none
  }

  .nav-links a::after {
    display: none
  }

  .nav-links a.active {
    color: var(--accent)
  }

  .nav-toggle {
    display: block
  }

  .row-line {
    grid-template-columns: 1fr
  }

  .comp-row {
    grid-template-columns: 1fr auto;
    column-gap: 12px
  }

  .comp-row .date {
    grid-column: 1;
    grid-row: 1
  }

  .comp-row .chevron {
    grid-row: 1 / span 2
  }

  .comp-detail-inner,
  .report-inner {
    padding-left: 0
  }
}