:root {
  --color-navy: #2f3f94;
  --color-navy-dark: #202d76;
  --color-teal: #168aa0;
  --color-teal-dark: #0d697c;
  --color-ink: #18213b;
  --color-muted: #5e687c;
  --color-line: #dbe3ea;
  --color-tint: #f2f8fa;
  --color-surface: #ffffff;
  --color-pending: #edf1f4;
  --font-sans: "Inter", Arial, sans-serif;
  --shadow-soft: 0 24px 70px rgba(30, 48, 94, 0.12);
  --radius-large: 24px;
  --radius-medium: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #fff;
  background: var(--color-navy-dark);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Language entry */

.language-page {
  min-height: 100vh;
  min-height: 100svh;
  background:
    radial-gradient(circle at 12% 16%, rgba(22, 138, 160, 0.1), transparent 29%),
    radial-gradient(circle at 88% 82%, rgba(47, 63, 148, 0.09), transparent 34%),
    #fff;
}

.language-shell {
  width: min(1120px, calc(100% - 40px));
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  padding: 38px 0;
  display: flex;
  flex-direction: column;
}

.organizer-marks {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.organizer-mark--eskulap {
  width: 210px;
}

.organizer-mark--bamstib {
  width: 105px;
}

.organizer-divider {
  width: 1px;
  height: 48px;
  background: var(--color-line);
}

.language-choice {
  width: min(660px, 100%);
  margin: auto;
  padding: 80px 0 120px;
  text-align: center;
}

.event-signature {
  margin: 0 0 28px;
  color: var(--color-navy);
  font-size: clamp(2.4rem, 9vw, 5.8rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.07em;
  text-transform: uppercase;
}

.event-signature span {
  color: var(--color-teal);
}

.language-choice h1 {
  margin: 0;
  font-size: clamp(1.45rem, 4vw, 2rem);
  font-weight: 500;
  line-height: 1.35;
}

.language-choice h1 span {
  display: block;
}

.language-choice h1 span + span {
  margin-top: 3px;
  color: var(--color-muted);
  font-size: 0.72em;
  font-weight: 400;
}

.language-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 38px;
}

.language-options a {
  min-height: 76px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #fff;
  background: var(--color-navy);
  border: 1px solid var(--color-navy);
  border-radius: var(--radius-medium);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.language-options a:last-child {
  background: var(--color-teal);
  border-color: var(--color-teal);
}

.language-options a:hover,
.language-options a:focus-visible {
  color: #fff;
  background: var(--color-navy-dark);
  box-shadow: 0 14px 30px rgba(32, 45, 118, 0.2);
  outline: none;
  transform: translateY(-2px);
}

.language-options a:last-child:hover,
.language-options a:last-child:focus-visible {
  background: var(--color-teal-dark);
}

.language-code {
  min-width: 38px;
  padding: 4px 7px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

/* Shared site header */

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-logos {
  display: flex;
  align-items: center;
  gap: 22px;
  text-decoration: none;
}

.header-logo--eskulap {
  width: 174px;
}

.header-logo--bamstib {
  width: 78px;
}

.header-logo-divider {
  width: 1px;
  height: 42px;
  background: var(--color-line);
}

.language-switch {
  display: inline-flex;
  padding: 4px;
  background: var(--color-tint);
  border: 1px solid var(--color-line);
  border-radius: 999px;
}

.language-switch a {
  min-width: 44px;
  padding: 7px 10px;
  color: var(--color-muted);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
}

.language-switch a[aria-current="page"] {
  color: #fff;
  background: var(--color-navy);
}

.language-switch a:focus-visible {
  outline: 3px solid rgba(22, 138, 160, 0.3);
  outline-offset: 2px;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 84px;
  background:
    radial-gradient(circle at 86% 20%, rgba(22, 138, 160, 0.11), transparent 30%),
    linear-gradient(180deg, #fff, #f8fbfd);
  border-bottom: 1px solid var(--color-line);
}

.hero::after {
  position: absolute;
  right: -100px;
  bottom: -150px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(47, 63, 148, 0.08);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 390px);
  gap: clamp(48px, 8vw, 96px);
  align-items: center;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--color-teal-dark);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-overline {
  max-width: 680px;
  margin: 0 0 18px;
  color: var(--color-navy-dark);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 600;
  line-height: 1.45;
}

.hero h1 {
  margin: 0;
  color: var(--color-navy);
  font-size: clamp(3.5rem, 8vw, 6.8rem);
  font-weight: 700;
  line-height: 0.84;
  letter-spacing: -0.075em;
  text-transform: uppercase;
}

.hero h1 span {
  color: var(--color-teal);
}

.hero-theme {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--color-ink);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 500;
  line-height: 1.22;
}

.hero-facts {
  margin: 34px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 20px 54px;
}

.hero-facts div {
  min-width: 180px;
}

.hero-facts dt {
  margin-bottom: 2px;
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-facts dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 62px;
  padding: 11px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: 1px solid transparent;
  border-radius: 12px;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.button span,
.button small {
  display: block;
}

.button small {
  font-size: 0.75rem;
  font-weight: 500;
}

.button svg {
  width: 23px;
  height: 23px;
  flex: 0 0 23px;
}

.button--pending {
  position: relative;
  min-width: 180px;
  flex-direction: column;
  gap: 2px;
  color: var(--color-muted);
  background: var(--color-pending);
  border-color: var(--color-line);
  cursor: default;
  opacity: 1;
}

.button--pending::after {
  position: absolute;
  top: -8px;
  right: -7px;
  padding: 3px 8px;
  color: #fff;
  background: var(--color-teal);
  border-radius: 999px;
  content: "Soon";
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

html[lang="sr"] .button--pending::after {
  content: "Uskoro";
}

.button--secondary {
  color: #fff;
  background: var(--color-navy);
  transition: background-color 180ms ease, transform 180ms ease;
}

.button--secondary:hover,
.button--secondary:focus-visible {
  color: #fff;
  background: var(--color-navy-dark);
  outline: none;
  transform: translateY(-2px);
}

.hero-poster {
  margin: 0;
}

.hero-poster a {
  display: block;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-soft);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.hero-poster a:hover,
.hero-poster a:focus-visible {
  box-shadow: 0 28px 80px rgba(30, 48, 94, 0.18);
  outline: 3px solid rgba(22, 138, 160, 0.25);
  outline-offset: 4px;
  transform: translateY(-3px);
}

.hero-poster img {
  width: 100%;
  border-radius: 16px;
}

.hero-poster figcaption {
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 0.875rem;
  text-align: center;
}

/* Content sections */

.section {
  padding: 92px 0;
}

.section--tinted {
  background: var(--color-tint);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.section h2 {
  margin: 0;
  color: var(--color-navy-dark);
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: start;
}

.prose {
  color: #35405a;
  font-size: 1.08rem;
}

.prose p {
  margin: 0;
}

.prose p + p {
  margin-top: 20px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 44px;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.schedule-card {
  min-height: 100%;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-top: 4px solid var(--color-teal);
  border-radius: var(--radius-medium);
}

.schedule-date {
  margin: 0 0 26px;
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.schedule-date span {
  display: block;
  color: var(--color-navy);
  font-size: 2.25rem;
  line-height: 1;
  letter-spacing: -0.05em;
}

.schedule-card h3 {
  margin: 0;
  color: var(--color-navy-dark);
  font-size: 1.2rem;
  line-height: 1.35;
}

.schedule-meta {
  margin: 18px 0 10px;
  color: var(--color-teal-dark);
  font-size: 0.875rem;
  font-weight: 700;
}

.schedule-card > p:last-child {
  margin: 0;
  color: var(--color-muted);
}

.centered-action {
  margin-top: 36px;
  text-align: center;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-navy);
  font-weight: 700;
  text-underline-offset: 4px;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--color-teal-dark);
}

.details-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(310px, 0.75fr);
  gap: 24px;
}

.detail-panel {
  padding: clamp(28px, 5vw, 48px);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
}

.detail-panel--primary {
  color: #fff;
  background: var(--color-navy-dark);
  border-color: var(--color-navy-dark);
}

.detail-panel--primary .section-label,
.detail-panel--primary h2 {
  color: #fff;
}

.detail-panel > p:not(.section-label) {
  margin: 24px 0 0;
}

.credit-list {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.credit-list div {
  min-height: 108px;
  padding: 15px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  text-align: center;
}

.credit-list strong {
  font-size: 2rem;
  line-height: 1;
}

.credit-list span {
  font-size: 0.75rem;
  line-height: 1.25;
}

.info-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.info-list li {
  padding: 18px 0;
  border-top: 1px solid var(--color-line);
}

.info-list li:last-child {
  padding-bottom: 0;
}

.section--contact {
  color: #fff;
  background: var(--color-teal-dark);
}

.section--contact .section-label,
.section--contact h2 {
  color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 60px;
  align-items: start;
}

.contact-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}

.contact-columns address {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-style: normal;
}

.contact-columns strong {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.contact-columns a {
  color: #fff;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  text-underline-offset: 4px;
}

.contact-columns a:hover,
.contact-columns a:focus-visible {
  text-decoration-color: #fff;
}

/* Footer */

.site-footer {
  padding: 38px 0;
  color: #c7cfdf;
  background: #151d36;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.footer-inner p {
  max-width: 600px;
  margin: 0;
  font-size: 0.875rem;
  text-align: right;
}

.footer-organizers {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 18px;
  background: #fff;
  border-radius: 12px;
}

.footer-logo--bamstib {
  width: 64px;
}

.footer-logo--eskulap {
  width: 140px;
}

@media (max-width: 900px) {
  .hero-grid,
  .intro-grid,
  .details-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-poster {
    width: min(410px, 100%);
  }

  .schedule-grid {
    grid-template-columns: 1fr;
  }

  .schedule-card {
    min-height: auto;
  }

  .contact-grid {
    gap: 42px;
  }
}

@media (max-width: 640px) {
  .container,
  .language-shell {
    width: min(calc(100% - 28px), 1120px);
  }

  .language-shell {
    padding: 24px 0;
  }

  .organizer-marks {
    justify-content: center;
    gap: 18px;
  }

  .organizer-mark--eskulap {
    width: 155px;
  }

  .organizer-mark--bamstib {
    width: 76px;
  }

  .organizer-divider {
    height: 38px;
  }

  .language-choice {
    padding: 60px 0 100px;
  }

  .language-options {
    grid-template-columns: 1fr;
  }

  .header-inner {
    min-height: 86px;
  }

  .header-logos {
    gap: 12px;
  }

  .header-logo--eskulap {
    width: 126px;
  }

  .header-logo--bamstib {
    width: 58px;
  }

  .header-logo-divider {
    height: 32px;
  }

  .language-switch a {
    min-width: 38px;
    padding: 7px 8px;
  }

  .hero {
    padding: 58px 0 66px;
  }

  .hero-grid {
    gap: 48px;
  }

  .hero h1 {
    font-size: clamp(3.25rem, 17vw, 5rem);
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 68px 0;
  }

  .schedule-card {
    padding: 26px;
  }

  .credit-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-columns {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner p {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}