@import url('https://fonts.googleapis.com/css2?family=Titillium+Web:wght@300;400;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 1.05rem;
}

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

a {
  color: var(--color-primary);
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
}

h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
}

h3 {
  font-size: 1.35rem;
}

p {
  margin: 0 0 1em;
}

/* Layout helpers */
.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.section {
  padding: 4.5rem 0;
}

.section--surface {
  background: var(--color-surface);
}

.section--inverted {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.section--inverted a {
  color: var(--color-accent);
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.section--inverted .eyebrow {
  color: var(--color-accent);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-primary);
}

.btn--outline {
  border-color: var(--color-primary-contrast);
  color: var(--color-primary-contrast);
}

/* Header and navigation */
.site-header {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.25rem 0;
}

.site-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-primary-contrast);
  text-decoration: none;
}

.site-nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__links a {
  color: var(--color-primary-contrast);
  text-decoration: none;
  font-weight: 600;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav__links a:hover,
.site-nav__links a[aria-current="page"] {
  border-bottom-color: var(--color-accent);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #006a9e 100%);
  color: var(--color-primary-contrast);
  padding: 6rem 0 5rem;
}

.hero h1 {
  color: var(--color-primary-contrast);
  max-width: 18ch;
}

.hero__summary {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  max-width: 48ch;
  opacity: 0.92;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__meta {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-weight: 600;
}

.hero__meta span {
  background: rgba(255, 255, 255, 0.12);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
}

/* Page header (sub pages) */
.page-hero {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  padding: 4rem 0 3.5rem;
}

.page-hero h1 {
  color: var(--color-primary-contrast);
  font-size: clamp(2rem, 4vw, 3rem);
}

.page-hero p {
  opacity: 0.9;
  max-width: 60ch;
  margin: 0;
}

/* Cards and grids */
.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.card__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--color-muted);
  margin: 0;
}

.topic-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.topic-card h3 {
  font-size: 1.15rem;
  margin: 0;
}

.topic-card__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  min-width: 3rem;
  height: 3rem;
  padding: 0 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
}

.split {
  display: grid;
  gap: 3rem;
  align-items: center;
  grid-template-columns: 1fr;
}

.split__image {
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.highlight {
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
}

.highlight h2 {
  color: var(--color-primary);
}

.organisers {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 2rem;
}

.organiser {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.organiser strong {
  display: block;
  font-size: 1.2rem;
}

.form {
  display: grid;
  gap: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.form label {
  font-weight: 600;
  display: grid;
  gap: 0.4rem;
}

.form input,
.form textarea {
  font: inherit;
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) / 2);
  background: var(--color-bg);
  color: var(--color-text);
}

.form input:focus,
.form textarea:focus {
  outline: 3px solid var(--color-accent);
  outline-offset: 1px;
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  padding: 2.5rem 0;
  font-size: 0.95rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer a {
  color: var(--color-primary-contrast);
  opacity: 0.85;
}

.site-footer a:hover {
  opacity: 1;
}

/* Brand logo */
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.site-brand__logo {
  height: 44px;
  width: auto;
}

/* Partner logos */
.partners {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.partners__label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.8;
  margin-bottom: 1rem;
}

.partners__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.partners__logos img {
  height: 56px;
  width: auto;
  background: var(--color-primary-contrast);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
}

/* Responsive */
@media (min-width: 800px) {
  .split {
    grid-template-columns: 1fr 1fr;
  }

  .site-nav {
    flex-wrap: nowrap;
  }
}

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

  .btn {
    transition: none;
  }
}