:root {
  --primary-blue: #204080;
  --deep-blue: #102653;
  --accent-green: #06afeb;
  --light-bg: #f7faff;
  --soft-bg: #eef4fb;
  --text-dark: #172033;
  --text-muted: #5b6475;
  --line: rgba(32, 64, 128, 0.16);
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(16, 38, 83, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--light-bg);
  color: var(--text-dark);
  font-family: "Archivo", Arial, sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 64px);
  background: rgba(247, 250, 255, 0.92);
  border-bottom: 1px solid rgba(32, 64, 128, 0.12);
  backdrop-filter: blur(18px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  color: var(--primary-blue);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.header-cta {
  padding: 10px 16px;
  color: var(--deep-blue);
  background: var(--accent-green);
  border-radius: 999px;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: var(--deep-blue);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(16, 38, 83, 0.9), rgba(16, 38, 83, 0.62) 48%, rgba(32, 64, 128, 0.3)),
    url("assets/hero.jpg") center / cover;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(180deg, rgba(16, 38, 83, 0.18), rgba(16, 38, 83, 0.92)),
    radial-gradient(circle at 24% 28%, rgba(6, 175, 235, 0.2), transparent 32%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100svh;
  padding: 118px clamp(20px, 5vw, 76px) 56px;
}

.partner-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  max-width: 720px;
  margin-bottom: clamp(28px, 5vw, 60px);
}

.partner-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(92px, 11vw, 132px);
  min-height: 82px;
  padding: 14px;
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
}

.partner-card img {
  width: 100%;
  height: 54px;
  object-fit: contain;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 460px);
  gap: clamp(32px, 5vw, 72px);
  align-items: end;
}

.hero-copy {
  max-width: 780px;
  color: var(--light-bg);
}

.eyebrow,
.section-label,
.form-kicker {
  margin: 0 0 14px;
  color: var(--accent-green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(3.1rem, 6.7vw, 5.2rem);
  font-weight: 800;
  line-height: 0.95;
}

.hero-lede {
  max-width: 660px;
  margin-bottom: 34px;
  color: rgba(247, 250, 255, 0.86);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.event-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 900px;
  margin: 0 0 34px;
  border-top: 1px solid rgba(247, 250, 255, 0.24);
  border-bottom: 1px solid rgba(247, 250, 255, 0.24);
}

.event-facts div {
  padding: 18px 22px 18px 0;
}

.event-facts dt {
  color: var(--accent-green);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.event-facts dd {
  margin: 5px 0 0;
  color: rgba(247, 250, 255, 0.9);
  font-weight: 600;
}

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

.button,
.submit-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.submit-button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: var(--deep-blue);
  background: var(--accent-green);
}

.button.secondary {
  color: var(--light-bg);
  border-color: rgba(247, 250, 255, 0.45);
}

.button.dark {
  color: var(--white);
  background: var(--primary-blue);
}

.registration-card {
  scroll-margin-top: 100px;
  padding: clamp(24px, 3vw, 34px);
  color: var(--text-dark);
  background: rgba(247, 250, 255, 0.96);
  border: 1px solid rgba(247, 250, 255, 0.72);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.registration-card h2 {
  margin-bottom: 8px;
  color: var(--primary-blue);
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  line-height: 1;
}

.form-note {
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 0.94rem;
}

form {
  display: grid;
  gap: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--primary-blue);
  font-size: 0.77rem;
  font-weight: 800;
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  min-height: 43px;
  padding: 10px 13px;
  color: var(--text-dark);
  background: var(--white);
  border: 1px solid rgba(32, 64, 128, 0.18);
  border-radius: 8px;
  font: inherit;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(6, 175, 235, 0.22);
}

.submit-button {
  width: 100%;
  margin-top: 6px;
  color: var(--white);
  background: var(--primary-blue);
  border: 0;
  cursor: pointer;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--primary-blue);
  font-size: 0.88rem;
  font-weight: 700;
}

.form-status.is-error {
  color: #9f2d20;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}

.section {
  padding: clamp(72px, 9vw, 128px) clamp(20px, 5vw, 76px);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.two-column,
.agenda-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}

.section h2 {
  margin-bottom: 16px;
  color: var(--primary-blue);
  font-size: clamp(2rem, 4.8vw, 4.6rem);
  font-weight: 800;
  line-height: 0.98;
}

.copy-block p,
.agenda-copy p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.intro-section {
  background: var(--light-bg);
}

.attend-section,
.contents-section {
  background: var(--soft-bg);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.compact {
  margin-bottom: 28px;
}

.why-section {
  background: var(--white);
}

.why-section h2 {
  line-height: 1.04;
}

.benefit-list {
  display: grid;
  gap: 14px;
}

.benefit-list article {
  padding: 22px 24px;
  background: var(--light-bg);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-green);
  border-radius: 8px;
}

.benefit-list h3 {
  margin-bottom: 8px;
  color: var(--primary-blue);
  font-size: 1.08rem;
}

.benefit-list p {
  margin-bottom: 0;
  color: var(--text-muted);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.audience-grid article {
  min-height: 230px;
  padding: 28px;
  background: var(--light-bg);
}

.audience-grid span {
  display: block;
  margin-bottom: 52px;
  color: var(--accent-green);
  font-weight: 800;
}

.audience-grid h3 {
  margin-bottom: 12px;
  color: var(--primary-blue);
  font-size: 1.22rem;
  line-height: 1.15;
}

.audience-grid p {
  margin-bottom: 0;
  color: var(--text-muted);
}

.agenda-section {
  color: var(--light-bg);
  background: var(--deep-blue);
}

.agenda-section h2,
.agenda-copy p {
  color: var(--light-bg);
}

.agenda-copy p {
  color: rgba(247, 250, 255, 0.74);
}

.ledger {
  display: grid;
  gap: 18px;
}

.ledger article {
  display: grid;
  grid-template-columns: 110px 1fr;
  min-height: 190px;
  overflow: hidden;
  border: 1px solid rgba(247, 250, 255, 0.18);
  border-radius: 8px;
}

.ledger-part {
  display: grid;
  place-items: center;
  color: var(--accent-green);
  background: rgba(247, 250, 255, 0.08);
  font-weight: 800;
  text-transform: uppercase;
}

.ledger article div {
  padding: 28px;
  background: rgba(247, 250, 255, 0.04);
}

.ledger h3 {
  margin-bottom: 16px;
  color: var(--light-bg);
  font-size: 1.5rem;
}

.ledger ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
  color: rgba(247, 250, 255, 0.78);
}

.content-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.content-list span {
  min-height: 86px;
  padding: 18px;
  color: var(--primary-blue);
  background: var(--light-bg);
  border-left: 4px solid var(--accent-green);
  border-radius: 8px;
  font-weight: 700;
}

.facilitators-section {
  background: var(--light-bg);
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.speaker {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 20px;
  align-items: center;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.speaker img {
  width: 112px;
  aspect-ratio: 1;
  object-fit: cover;
  border: 3px solid var(--accent-green);
  border-radius: 50%;
}

.speaker h3 {
  margin-bottom: 6px;
  color: var(--primary-blue);
  font-size: 1.2rem;
  line-height: 1.1;
}

.speaker p {
  margin-bottom: 0;
  color: var(--text-muted);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 5vw, 76px);
  color: rgba(247, 250, 255, 0.78);
  background: var(--deep-blue);
}

.site-footer p {
  margin: 0;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-weight: 700;
}

@media (max-width: 1040px) {
  .hero-grid,
  .two-column,
  .agenda-layout {
    grid-template-columns: 1fr;
  }

  .registration-card {
    max-width: 620px;
  }

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

}

@media (max-width: 720px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .header-actions a:not(.header-cta) {
    display: none;
  }

  .hero-inner {
    padding-top: 104px;
  }

  .partner-card {
    width: 92px;
    min-height: 70px;
    padding: 12px;
  }

  .partner-card img {
    height: 46px;
  }

  .event-facts,
  .field-row,
  .audience-grid,
  .content-list,
  .speaker-grid {
    grid-template-columns: 1fr;
  }

  .event-facts div {
    padding: 14px 0;
    border-bottom: 1px solid rgba(247, 250, 255, 0.14);
  }

  .event-facts div:last-child {
    border-bottom: 0;
  }

  .ledger article {
    grid-template-columns: 1fr;
  }

  .ledger-part {
    min-height: 54px;
  }

  .speaker {
    grid-template-columns: 86px 1fr;
  }

  .speaker img {
    width: 86px;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}
