@font-face {
  font-family: "WorkshopSerif";
  src: url("../fonts/RobotoSlab-Bold.ttf") format("truetype");
  font-weight: 700;
}

@font-face {
  font-family: "WorkshopSans";
  src: url("../fonts/PT_Sans-Web-Regular.ttf") format("truetype");
  font-weight: 400;
}

@font-face {
  font-family: "WorkshopSans";
  src: url("../fonts/PT_Sans-Web-Bold.ttf") format("truetype");
  font-weight: 700;
}

:root {
  --bg: #f4f4f4;
  --ink: #161616;
  --muted: #555b63;
  --line: #d9dce2;
  --lilac: #a7aed6;
  --lilac-deep: #959dca;
  --surface: #ffffff;
  --accent: #0d5d66;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "WorkshopSans", Arial, sans-serif;
  line-height: 1.6;
  background: var(--bg);
}

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

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

h1,
h2,
h3 {
  margin: 0;
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0;
  padding: 0;
}

.site-shell {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow-shell {
  width: min(920px, 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244, 244, 244, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: #1b7985;
  color: #fff;
  font-family: "WorkshopSerif", Georgia, serif;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.95rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  font-size: 0.98rem;
}

.hero-section {
  background:
    linear-gradient(rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.78)),
    url("../images/bg.jpg") center/cover no-repeat;
}

.hero-overlay {
  padding: 84px 0 90px;
}

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

.hero-month {
  margin-bottom: 18px;
  font-size: 0.92rem;
}

.hero-inner h1 {
  font-family: "WorkshopSans", Arial, sans-serif;
  font-size: clamp(2.35rem, 4.6vw, 3.65rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.hero-subline,
.hero-location {
  margin-top: 12px;
  font-size: 1rem;
}

.hero-location {
  font-weight: 700;
}

.band-section,
.plain-section,
.dates-section {
  padding: 56px 0;
}

.section-lilac {
  background: var(--lilac);
}

.section-title {
  margin-bottom: 28px;
  font-family: "WorkshopSans", Arial, sans-serif;
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.3;
}

.light-title,
.contact-block .section-title,
.organiser-section .section-title {
  font-weight: 400;
}

.centered-title {
  text-align: center;
}

.light-weight-title {
  font-weight: 400;
}

.section-intro {
  max-width: 760px;
  margin: 0 auto 24px;
  text-align: center;
  font-size: 0.98rem;
  color: var(--muted);
}

.topic-section .section-intro {
  max-width: 920px;
  margin-bottom: 32px;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 34px;
  align-items: start;
}

.text-column,
.program-column,
.call-layout .image-column,
.date-box,
.venue-row,
.contact-line {
  font-size: 0.97rem;
}

.program-column h3 {
  margin-bottom: 12px;
  font-size: 1rem;
  font-weight: 700;
}

.program-list {
  list-style: none;
}

.program-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.92rem;
}

.program-list li span {
  opacity: 0.9;
}

.call-layout {
  align-items: center;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

.topic-group {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 28px 26px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(20, 31, 50, 0.05);
}

.topic-group h3 {
  margin-bottom: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
}

.bullet-list {
  margin: 0;
  padding-left: 18px;
}

.bullet-list li {
  margin-bottom: 12px;
  line-height: 1.65;
}

.submission-note {
  margin-top: 20px;
  font-size: 0.94rem;
}

.image-column img {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  border-radius: 2px;
}

.date-box {
  background: rgba(255, 255, 255, 0.88);
  padding: 18px 22px;
}

.date-box p {
  margin-bottom: 10px;
}

.date-box p:last-child {
  margin-bottom: 0;
}

.organiser-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px 40px;
}

.organiser-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--ink);
  width: 240px;
}

.organiser-card img,
.avatar-placeholder {
  width: 140px;
  height: 140px;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.4);
}

.avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "WorkshopSerif", Georgia, serif;
  font-size: 2rem;
}

.organiser-card h3 {
  margin-top: 12px;
  margin-bottom: 6px;
  font-size: 1rem;
  font-weight: 400;
}

.organiser-card p {
  margin-bottom: 0;
  font-size: 0.86rem;
}

.venue-block {
  text-align: center;
}

.venue-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-block {
  text-align: center;
}

.contact-line a {
  text-decoration: underline;
}

.acknowledgment-block {
  text-align: center;
}

.ack-text {
  max-width: 860px;
  margin: 0 auto;
  font-size: 0.96rem;
}

.placeholder {
  color: #6f3200;
  font-weight: 700;
}

@media (max-width: 900px) {
  .topbar,
  .two-column,
  .venue-row {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .topbar {
    align-items: flex-start;
  }

  .main-nav {
    gap: 10px 16px;
  }

  .organiser-grid {
    gap: 24px 28px;
  }

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

@media (max-width: 720px) {
  .topic-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(100% - 24px, 1100px);
  }

  .hero-overlay {
    padding: 64px 0 68px;
  }

  .hero-inner h1 {
    font-size: 2rem;
    line-height: 1.35;
  }

  .organiser-grid {
    gap: 22px;
  }

  .organiser-card {
    width: min(100%, 240px);
  }
}