@font-face {
  font-family: "Besley";
  src: url("assets/fonts/Besley-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Besley";
  src: url("assets/fonts/Besley-500.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Besley";
  src: url("assets/fonts/Besley-600.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Besley";
  src: url("assets/fonts/Besley-700.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Besley";
  src: url("assets/fonts/Besley-800.ttf") format("truetype");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

:root {
  --navy-950: #071a37;
  --navy-900: #0d2c57;
  --navy-800: #18457d;
  --blue-500: #2f7fdd;
  --blue-200: #dbeafe;
  --ink-950: #11233c;
  --ink-800: #26354d;
  --ink-600: #56657a;
  --line: rgba(17, 35, 60, 0.12);
  --surface: #ffffff;
  --surface-soft: #f5f8fc;
  --live-red: #be0d13;
  --container: min(1180px, calc(100vw - 40px));
  --shadow-soft: 0 18px 48px rgba(7, 26, 55, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Besley", Georgia, serif;
  font-optical-sizing: auto;
  color: var(--ink-950);
  background:
    radial-gradient(circle at top left, rgba(47, 127, 221, 0.08), transparent 24%),
    linear-gradient(180deg, #f9fbff 0%, #ffffff 22%, #f6f9fd 100%);
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

section[id] {
  scroll-margin-top: 36px;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(219, 234, 250, 0.46), rgba(255, 255, 255, 0));
}

.section-head {
  margin-bottom: 34px;
}

.section-head-center {
  text-align: center;
}

.section-head h2,
.about-copy h2,
.footer-title,
.hero h1 {
  margin: 0;
  letter-spacing: -0.04em;
}

.section-head h2,
.about-copy h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.06;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: clip;
  background:
    linear-gradient(180deg, rgba(7, 26, 55, 0.7), rgba(7, 26, 55, 0.52) 34%, rgba(7, 26, 55, 0.84) 100%),
    url("assets/cover-photo-belgrade.jpg") center/cover no-repeat;
  color: #fff;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(47, 127, 221, 0.28), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.hero-shell {
  position: relative;
  z-index: 1;
  padding-top: 72px;
  padding-bottom: 88px;
}

.hero-logo {
  width: clamp(230px, 32vw, 520px);
  height: auto;
  margin-bottom: 34px;
}

.hero-copy {
  width: min(100%, 1120px);
  max-width: none;
}

.hero-name {
  margin: 0 0 14px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.84);
}

.hero h1 {
  max-width: 880px;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.96;
}

.hero-title-lockup {
  display: grid;
  gap: 12px;
}

.hero-title-sub {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 600;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.9);
}

.hero-subtitle {
  max-width: 720px;
  margin: 20px 0 0;
  font-size: clamp(1.18rem, 2.1vw, 1.55rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.92);
}

.hero-notice {
  display: inline-block;
  margin: 26px 0 0;
  padding: 15px 18px 15px 22px;
  border-left: 4px solid var(--live-red);
  background: rgba(190, 13, 19, 0.14);
  color: #fff;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 0.22s ease,
    background-color 0.22s ease,
    border-color 0.22s ease;
}

.button:hover,
.button:focus-visible,
.floating-register:hover,
.floating-register:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: #fff;
  color: var(--navy-900);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.hero-fact {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
}

.hero-fact-label,
.detail-label,
.agenda-group,
.partner-label {
  display: block;
  margin: 0 0 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-fact-label {
  color: rgba(255, 255, 255, 0.72);
}

.hero-fact strong {
  display: block;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  line-height: 1.22;
}

.hero-location-text {
  display: block;
}

.hero-venue {
  display: block;
  font-size: clamp(1.32rem, 2.15vw, 1.9rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.1;
  white-space: nowrap;
}

.hero-place {
  display: block;
  margin-top: 4px;
  font-size: 0.62em;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.82);
}

.details-layout,
.about-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 48px;
  align-items: start;
}

.details-list {
  margin: 0;
}

.details-list div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.details-list div:last-child {
  border-bottom: 1px solid var(--line);
}

.details-list dt,
.details-list dd,
.about-copy p,
.directors-list span,
.speaker-copy p,
.speaker-copy span,
.speaker-card-secondary p,
.agenda-meta,
.live-case p,
.footer-inner p {
  margin: 0;
  line-height: 1.75;
}

.details-list dt {
  color: var(--ink-600);
}

.details-list a {
  color: var(--blue-500);
}

.about-copy p {
  max-width: none;
  margin-top: 18px;
  color: var(--ink-800);
}

.about-layout {
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 56px;
}

.about-copy,
.directors-column {
  min-width: 0;
}

.about-prose {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.about-prose p {
  max-width: none;
  margin-top: 0;
}

.about-lead {
  font-size: 1.1rem;
}

.directors-column h3 {
  margin: 0 0 18px;
  font-size: 1.55rem;
  line-height: 1.15;
}

.directors-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.directors-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.directors-list strong,
.speaker-copy h3,
.speaker-card-secondary h4,
.agenda-content h3,
.live-case h4 {
  display: block;
  margin: 0 0 8px;
  font-size: 1.4rem;
  line-height: 1.18;
}

.speaker-grid {
  display: grid;
  gap: 24px;
}

.speaker-grid-featured {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.speaker-card-featured {
  padding: 18px;
  border: 1px solid rgba(17, 35, 60, 0.12);
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(7, 26, 55, 0.09);
}

.speaker-card-featured img {
  width: 100%;
  height: 360px;
  border-radius: 20px;
  object-fit: cover;
  object-position: center top;
}

.speaker-copy {
  padding: 18px 6px 6px;
}

.speaker-copy p,
.speaker-copy span,
.speaker-card-secondary p {
  color: var(--ink-800);
}

.speaker-copy span {
  display: block;
  margin-top: 8px;
}

.speaker-location {
  position: relative;
  padding-left: 22px;
}

.speaker-location::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.38em;
  width: 12px;
  height: 15px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 15'%3E%3Cpath fill='%2318457d' d='M6 0C3.2 0 1 2.2 1 5c0 3.6 4 7.8 4.2 8a1.1 1.1 0 0 0 1.6 0C7 12.8 11 8.6 11 5c0-2.8-2.2-5-5-5Zm0 6.8A1.8 1.8 0 1 1 6 3.2a1.8 1.8 0 0 1 0 3.6Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

.speaker-grid-secondary {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 34px;
}

.speaker-card-secondary {
  padding: 18px 18px 20px;
  border: 1px solid rgba(17, 35, 60, 0.12);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(7, 26, 55, 0.05);
}

.agenda-timeline {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.agenda-entry {
  display: grid;
  grid-template-columns: 165px minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

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

.agenda-time {
  color: var(--navy-800);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.5;
}

.agenda-content h3 {
  font-size: 1.34rem;
  color: var(--ink-950);
}

.agenda-talk-title {
  white-space: nowrap;
  font-size: clamp(0.96rem, 1.45vw, 1.16rem) !important;
  line-height: 1.35;
}

.agenda-talk-speaker {
  margin: 4px 0 0;
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--ink-600);
}

.agenda-group {
  color: var(--navy-800);
}

.agenda-meta {
  margin-top: 8px;
  color: var(--ink-600);
}

.agenda-session-label {
  margin: 0 0 10px;
  color: var(--navy-800);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.agenda-entry-live .agenda-time,
.agenda-entry-live .agenda-group {
  color: var(--live-red);
}

.agenda-entry-session-item .agenda-time {
  color: var(--navy-900);
}

.agenda-entry-session .agenda-time,
.agenda-entry-session-two .agenda-time {
  font-size: 1rem;
  color: var(--navy-900);
}

.agenda-session-card {
  padding: 22px 24px;
  border: 1px solid rgba(13, 44, 87, 0.3);
  border-radius: 24px;
  background: linear-gradient(135deg, #0d2c57, #18457d);
  box-shadow: 0 18px 38px rgba(7, 26, 55, 0.12);
}

.agenda-session-card .agenda-session-label {
  color: rgba(255, 255, 255, 0.72);
}

.agenda-session-card h3,
.agenda-session-card .agenda-meta,
.agenda-session-card strong {
  color: #fff;
}

.agenda-session-card-secondary {
  border-color: rgba(13, 44, 87, 0.3);
}

.agenda-live-card {
  padding: 24px 26px;
  border: 1px solid rgba(190, 13, 19, 0.22);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(190, 13, 19, 0.08), rgba(255, 255, 255, 0.78)),
    rgba(255, 255, 255, 0.9);
}

.agenda-live-card h3 {
  color: var(--live-red);
}

.agenda-entry-session-item .agenda-content,
.agenda-entry-session-two-item .agenda-content {
  padding-left: 18px;
  border-left: 2px solid rgba(17, 35, 60, 0.08);
}

.agenda-entry-session-item .agenda-content {
  border-left-color: rgba(190, 13, 19, 0.22);
}

.agenda-entry-session-two-item .agenda-content {
  border-left-color: rgba(24, 69, 125, 0.2);
}

.agenda-live-hero {
  display: block;
}

.agenda-live-intro {
  align-self: center;
}

.live-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.live-case {
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.66);
}

.live-case h4 {
  font-size: 1.18rem;
}

.agenda-workshop-card {
  padding: 24px 26px;
  border: 1px solid rgba(47, 127, 221, 0.18);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(47, 127, 221, 0.08), rgba(255, 255, 255, 0.84)),
    rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 34px rgba(7, 26, 55, 0.06);
}

.agenda-workshop-card .agenda-session-label {
  color: var(--navy-800);
}

.agenda-entry-break .agenda-content h3 {
  color: var(--ink-800);
}

.agenda-break-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.agenda-break-title::before {
  content: "";
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-size: contain;
}

.agenda-break-coffee::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%2311233c' d='M3 5h10v1.2a2.8 2.8 0 0 0 0 5.6V13a4 4 0 0 1-4 4H7a4 4 0 0 1-4-4V5Zm10 2.4v2.4a1.6 1.6 0 0 0 0-2.4ZM2 18h14v1H2z'/%3E%3C/svg%3E");
}

.agenda-break-lunch::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%2311233c' d='M3.5 3h1v6h-1V3Zm2 0h1v6h-1V3Zm-1 6h1V18h-1V9Zm3.8-6h1.2v6H8.3V3Zm5.2 0c1.7 0 3 1.3 3 3v12h-1.2v-5h-2.6V6c0-1.7.9-3 2.8-3ZM2 18h16v1H2z'/%3E%3C/svg%3E");
}

.agenda-icon-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.agenda-icon-title::before {
  content: "";
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-size: contain;
}

.agenda-icon-chat::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%2311233c' d='M4 4h12a2 2 0 0 1 2 2v6a2 2 0 0 1-2 2H9.4L5 17.5V14H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2Zm2.2 4.2a1 1 0 1 0 0 2 1 1 0 0 0 0-2Zm3.8 0a1 1 0 1 0 0 2 1 1 0 0 0 0-2Zm3.8 0a1 1 0 1 0 0 2 1 1 0 0 0 0-2Z'/%3E%3C/svg%3E");
}

.agenda-icon-closing::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%2311233c' d='M10 2.2a2.1 2.1 0 1 1 0 4.2 2.1 2.1 0 0 1 0-4.2Zm-2.6 5h5.2a2 2 0 0 1 2 2V10H5.4V9.2a2 2 0 0 1 2-2Zm-.8 4h2.6V18H6.6v-6.8Zm4.2 0h2.6V18h-2.6v-6.8ZM4 10.2h12v1.6H4v-1.6Z'/%3E%3C/svg%3E");
}

.partner-list {
  display: grid;
}

.partner-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 36px 0;
  border-top: 1px solid var(--line);
}

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

.partner-label {
  margin-bottom: 0;
  color: var(--ink-600);
}

.partner-logo {
  height: auto;
  object-fit: contain;
}

.partner-logo-lsi {
  width: min(100%, 600px);
}

.partner-logo-medtronic {
  width: min(100%, 250px);
}

.partner-logo-ukvhs {
  width: min(100%, 190px);
}

.partner-logo-docsartist {
  width: min(100%, 360px);
}

.site-footer {
  padding: 48px 0 56px;
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.82);
}

.footer-inner {
  text-align: center;
}

.footer-title {
  margin-bottom: 18px;
  font-size: clamp(1.7rem, 3vw, 2.9rem);
  line-height: 1.05;
  color: #fff;
}

.footer-inner p + p {
  margin-top: 6px;
}

.floating-register {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--blue-500);
  color: #fff;
  box-shadow: 0 20px 40px rgba(13, 44, 87, 0.24);
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    background-color 0.22s ease;
}

.floating-register.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-facts,
  .speaker-grid-featured,
  .speaker-grid-secondary,
  .live-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .details-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .speaker-card-featured img {
    height: 320px;
  }
}

@media (max-width: 820px) {
  .section {
    padding: 80px 0;
  }

  .hero-shell {
    padding-top: 52px;
    padding-bottom: 76px;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-actions,
  .hero-facts,
  .speaker-grid-featured,
  .speaker-grid-secondary,
  .live-case-grid,
  .about-prose {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .agenda-entry {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .details-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .speaker-card-featured img {
    height: 300px;
  }

  .agenda-talk-title {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100vw - 24px, 1180px);
  }

  .hero-logo {
    width: min(100%, 300px);
    margin-bottom: 24px;
  }

  .hero h1 {
    line-height: 1;
  }

  .agenda-live-card,
  .live-case,
  .speaker-card-secondary {
    padding-left: 16px;
    padding-right: 16px;
  }

  .partner-logo-lsi,
  .partner-logo-medtronic,
  .partner-logo-ukvhs,
  .partner-logo-docsartist {
    width: 100%;
  }

  .partner-logo-medtronic {
    max-width: 180px;
  }

  .partner-logo-ukvhs,
  .partner-logo-docsartist {
    max-width: 180px;
  }

  .floating-register {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }
}
