:root {
  --ink: #222222;
  --muted: #555f6b;
  --line: #dde3ea;
  --paper: #f3f6fa;
  --surface: #ffffff;
  --blue: #285f8f;
  --blue-dark: #173f62;
  --red: #8a2f2f;
  --gold: #b99248;
  --green: #4c7460;
  --shadow: 0 10px 28px rgba(31, 56, 82, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Georgia, "Times New Roman", Times, serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #cfd8e3;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.nav {
  width: min(1080px, calc(100% - 32px));
  min-height: 62px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--blue-dark);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 4px;
  color: #fff;
  background: var(--blue);
  font-size: 0.82rem;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  color: #3f5268;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--blue);
}

.mobile-menu {
  display: none;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.mobile-menu summary {
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--blue-dark);
  background: var(--surface);
  font-weight: 800;
  cursor: pointer;
}

.mobile-menu-links {
  display: grid;
  gap: 4px;
  margin-top: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mobile-menu-links a {
  padding: 8px 4px;
  color: #3f5268;
  text-decoration: none;
}

.mobile-menu-links a:hover {
  color: var(--blue);
}

.hero {
  width: min(1080px, calc(100% - 32px));
  min-height: auto;
  margin: 0 auto;
  padding: 62px 0 34px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  grid-template-areas:
    "content panel"
    "facts facts";
  gap: 28px;
  align-items: center;
}

.hero-content {
  grid-area: content;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 940px;
  margin-bottom: 18px;
  color: var(--blue-dark);
  font-size: clamp(2.35rem, 5vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  color: var(--blue-dark);
  font-size: clamp(1.55rem, 2.4vw, 2.25rem);
  line-height: 1.18;
  letter-spacing: 0;
  border-bottom: 2px solid var(--line);
  padding-bottom: 8px;
}

h3 {
  margin-bottom: 8px;
  color: var(--blue-dark);
  font-size: 1.08rem;
  line-height: 1.25;
}

.lead {
  max-width: 800px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 1.14rem;
}

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

.hero-panel {
  grid-area: panel;
  align-self: stretch;
  display: grid;
  align-content: center;
  gap: 12px;
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel p,
.hero-panel span {
  margin: 0;
  color: var(--muted);
}

.hero-panel p {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-panel strong {
  color: var(--blue-dark);
  font-size: 1.34rem;
  line-height: 1.25;
}

.button,
.submit-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0 20px;
  font: inherit;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.primary,
.submit-button {
  color: #fff;
  background: var(--blue);
}

.secondary {
  color: var(--blue-dark);
  border-color: var(--line);
  background: rgba(255,255,255,0.55);
}

.button:hover,
.submit-button:hover {
  transform: translateY(-1px);
}

.event-facts {
  grid-area: facts;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--line);
  overflow: hidden;
}

.event-facts div {
  padding: 18px 20px;
  background: var(--surface);
}

.event-facts dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.event-facts dd {
  margin: 0;
  font-weight: 700;
}

.event-facts a {
  color: var(--blue);
}

.section {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 46px 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: 42px;
  border-top: 1px solid var(--line);
}

.section-copy {
  color: var(--muted);
  font-size: 1.04rem;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 22px;
}

.section-heading p {
  color: var(--muted);
}

.form-version {
  display: inline-flex;
  margin-top: 4px;
  padding: 5px 9px;
  border: 1px solid rgba(40, 95, 143, 0.22);
  border-radius: 4px;
  color: var(--blue-dark);
  background: #f8fafc;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.topic-grid article {
  min-height: 182px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(31, 56, 82, 0.03);
}

.topic-grid p,
.committee-list p,
.speaker-list p,
.contact-list span {
  color: var(--muted);
}

.committee-list {
  display: block;
  max-width: 760px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
}

.committee-list div {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 8px 18px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(221, 227, 234, 0.78);
}

.committee-list div:last-child {
  border-bottom: 0;
}

.committee-list h3 {
  margin: 0;
  font-size: 0.98rem;
}

.committee-list p {
  margin: 0;
  font-size: 0.96rem;
}

.committee-list a {
  color: var(--blue);
  grid-column: 2;
  font-size: 0.88rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.schedule-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  min-height: 130px;
  padding: 16px;
  border-top: 4px solid var(--green);
  border-radius: 4px;
  background: var(--surface);
}

.timeline time {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-dark);
  font-weight: 800;
}

.speaker-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.speaker-list article {
  min-height: 138px;
  padding: 28px 30px;
  border: 1px solid rgba(221, 227, 234, 0.78);
  border-radius: 8px;
  background: #f8fafc;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.speaker-list article:hover {
  transform: translateY(-7px);
  border-color: rgba(40, 95, 143, 0.36);
  background: var(--surface);
  box-shadow: 0 20px 44px rgba(31, 56, 82, 0.15);
}

.speaker-list h3 {
  margin-bottom: 10px;
  color: #2c4056;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(1.25rem, 1.8vw, 1.65rem);
  line-height: 1.16;
}

.speaker-list p {
  margin: 0;
  color: #3b3f45;
  font-size: clamp(0.98rem, 1.2vw, 1.08rem);
}

.travel-section {
  border-top: 1px solid var(--line);
}

.travel-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 14px;
  margin-bottom: 18px;
}

.travel-card,
.travel-info,
.traffic-columns > div {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
}

.travel-card.highlight {
  border-color: rgba(40, 95, 143, 0.36);
  background: #f9fbfd;
}

.travel-card p,
.travel-info p,
.route-list {
  color: var(--muted);
}

.travel-card a,
.traffic-columns a {
  color: var(--blue);
  font-weight: 700;
}

.travel-info {
  margin-bottom: 18px;
}

.traffic-columns {
  display: block;
}

.route-list {
  margin: 0;
  padding-left: 22px;
}

.route-list li + li {
  margin-top: 12px;
}

.registration-section {
  border-top: 1px solid var(--line);
}

.registration-form {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(31, 56, 82, 0.03);
}

fieldset {
  margin: 0 0 26px;
  padding: 0 0 26px;
  border: 0;
  border-bottom: 1px solid var(--line);
}

legend {
  margin-bottom: 18px;
  color: var(--blue-dark);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.14rem;
  font-weight: 800;
}

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

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c6d0da;
  border-radius: 4px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.96rem;
  font-weight: 500;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(11, 74, 122, 0.18);
  border-color: var(--blue);
}

.wide {
  grid-column: 1 / -1;
}

.hidden {
  display: none;
}

.form-note,
.privacy-note {
  margin: 0 0 16px;
  color: var(--muted);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
}

.visa-details {
  padding: 16px;
  border: 1px solid rgba(40, 95, 143, 0.24);
  border-radius: 4px;
  background: #f8fafc;
}

.visa-details[hidden] {
  display: none;
}

.privacy-note {
  padding: 14px 16px;
  border-left: 4px solid var(--gold);
  background: #fbfaf6;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--muted);
  font-weight: 600;
}

.consent input {
  width: 18px;
  min-width: 18px;
  height: 18px;
  margin-top: 4px;
}

.submit-button {
  width: 100%;
  min-height: 54px;
  font-size: 1rem;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: 48px;
  border-top: 1px solid var(--line);
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

address {
  display: grid;
  gap: 5px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  background: var(--surface);
  font-style: normal;
}

address strong {
  color: var(--blue-dark);
  font-size: 1.08rem;
}

address a {
  color: var(--blue);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.footer {
  padding: 24px 16px;
  color: rgba(255,255,255,0.78);
  background: var(--blue-dark);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-align: center;
}

.footer p {
  margin: 0;
}

.success-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(40, 95, 143, 0.08), rgba(243, 246, 250, 0.96)),
    var(--paper);
}

.success-panel {
  position: relative;
  width: min(820px, 100%);
  padding: clamp(32px, 6vw, 58px);
  border: 1px solid var(--line);
  border-top: 5px solid var(--blue);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(31, 56, 82, 0.16);
  overflow: hidden;
}

.success-panel::after {
  content: "CIM";
  position: absolute;
  right: 30px;
  bottom: -34px;
  color: rgba(40, 95, 143, 0.06);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.success-mark {
  display: grid;
  width: 58px;
  height: 58px;
  margin-bottom: 20px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--green);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 2rem;
  font-weight: 900;
}

.success-panel h1 {
  max-width: 640px;
  margin-bottom: 16px;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.success-panel > p:not(.section-kicker) {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.12rem;
}

.success-details {
  display: grid;
  gap: 4px;
  max-width: 640px;
  margin: 28px 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #f8fafc;
}

.success-details span {
  color: var(--muted);
}

.success-details strong {
  color: var(--blue-dark);
}

.success-note {
  max-width: 640px;
  margin: -8px 0 24px;
  color: var(--muted);
  font-size: 1rem;
}

.success-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    grid-template-areas:
      "content"
      "panel"
      "facts";
    padding-top: 32px;
  }

  .event-facts,
  .topic-grid,
  .committee-list,
  .timeline,
  .speaker-list,
  .travel-grid,
  .traffic-columns,
  .form-grid,
  .split,
  .contact-section,
  .contact-list {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 54px 0;
  }

  .committee-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .committee-list a {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .nav {
    min-height: 64px;
    align-items: center;
    flex-direction: row;
    padding: 10px 0;
  }

  .brand span:last-child {
    max-width: 190px;
    line-height: 1.2;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu-links {
    position: absolute;
    right: 0;
    width: 180px;
  }

  .hero {
    padding-top: 28px;
  }

  h1 {
    font-size: clamp(1.85rem, 8.5vw, 2.35rem);
    line-height: 1.1;
  }

  .lead {
    font-size: 1.04rem;
  }

  .hero-panel {
    min-height: auto;
    padding: 20px;
  }

  .hero-actions .button {
    flex: 1 1 150px;
  }

  .registration-form {
    padding: 20px;
  }
}