:root {
  --dirt: #2a1c12;
  --soil: #3d2918;
  --sand: #c4a574;
  --dust: #e8d4b0;
  --cream: #f3e6d0;
  --forest: #143528;
  --forest-mid: #1f4d38;
  --lime: #8fbf3a;
  --sun: #f0c12e;
  --ember: #e85a17;
  --ink: #120c08;
  --paper: #f7efe2;
  --mist: rgba(243, 230, 208, 0.72);
  --line: rgba(18, 12, 8, 0.12);
  --font-display: "Bebas Neue", Impact, sans-serif;
  --font-brush: "Rock Salt", cursive;
  --font-body: "DM Sans", system-ui, sans-serif;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(240, 193, 46, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 20%, rgba(232, 90, 23, 0.08), transparent 50%),
    linear-gradient(180deg, #efe2cc 0%, var(--paper) 35%, #ead9bd 100%);
  font-family: var(--font-body);
  font-optical-sizing: auto;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

code {
  font-size: 0.86em;
  padding: 0.12em 0.35em;
  border-radius: 4px;
  background: rgba(18, 12, 8, 0.08);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  background: var(--sun);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2rem);
  background: linear-gradient(180deg, rgba(18, 12, 8, 0.78), rgba(18, 12, 8, 0.28) 70%, transparent);
  color: var(--cream);
  backdrop-filter: blur(8px);
}

.topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  font-size: 1.15rem;
  text-transform: uppercase;
}

.brand-mark {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 0 3px rgba(240, 193, 46, 0.28);
}

.topbar-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.84rem;
  font-weight: 600;
}

.topbar-nav a {
  text-decoration: none;
  opacity: 0.86;
  transition: opacity 0.2s var(--ease);
}

.topbar-nav a:hover,
.topbar-nav a:focus-visible {
  opacity: 1;
  color: var(--sun);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--cream);
  overflow: clip;
}

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

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.2s var(--ease), transform 8s linear;
}

.hero-img.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 12, 8, 0.78) 0%, rgba(18, 12, 8, 0.35) 48%, rgba(18, 12, 8, 0.2) 100%),
    linear-gradient(180deg, rgba(20, 53, 40, 0.35) 0%, transparent 38%, rgba(18, 12, 8, 0.82) 100%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: clamp(6rem, 14vw, 9rem) clamp(1rem, 3vw, 2rem) clamp(4rem, 8vw, 5.5rem);
}

.hero-kicker {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sun);
}

.hero-lockup {
  margin: 0;
  max-width: 28rem;
}

.hero-logo {
  width: min(100%, 22rem);
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.5));
  background: rgba(255, 255, 255, 0.92);
  padding: 0.55rem 0.7rem 0.35rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero-lead {
  max-width: 34rem;
  margin: 1.25rem 0 0;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--mist);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-scroll {
  position: absolute;
  right: clamp(1rem, 3vw, 2rem);
  bottom: 1.5rem;
  z-index: 2;
  writing-mode: vertical-rl;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #ffd24a;
}

.btn-ghost {
  background: rgba(243, 230, 208, 0.08);
  border-color: rgba(243, 230, 208, 0.35);
  color: var(--cream);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--sun);
  color: var(--sun);
}

.btn-outline {
  background: transparent;
  border-color: rgba(18, 12, 8, 0.2);
  color: var(--ink);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--ember);
  color: var(--ember);
}

.btn[aria-disabled="true"],
.btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}

.section {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1rem, 3vw, 2rem);
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ember);
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.section-lead {
  margin: 0.85rem 0 0;
  color: rgba(18, 12, 8, 0.72);
  font-size: 1.05rem;
}

.agenda {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.agenda-item {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: stretch;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.7s var(--ease) forwards;
}

.agenda-date {
  display: grid;
  place-content: center;
  padding: 0.9rem 0.5rem;
  background: var(--ember);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.05;
}

.agenda-date small {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.agenda-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
}

.agenda-body h3 {
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 700;
}

.agenda-tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.6rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agenda-item[data-type="inicio"] .agenda-body {
  background: var(--forest);
  border-color: transparent;
  color: var(--cream);
}

.agenda-item[data-type="inicio"] .agenda-tag {
  background: rgba(240, 193, 46, 0.2);
  color: var(--sun);
}

.agenda-item[data-type="etapa"] .agenda-body {
  background: linear-gradient(90deg, #2b2148, #3a2d63);
  border-color: transparent;
  color: #f4eefc;
}

.agenda-item[data-type="etapa"] .agenda-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #d8c8ff;
}

.agenda-item[data-type="apoio"] .agenda-body,
.agenda-item[data-type="livre"] .agenda-body {
  background: linear-gradient(90deg, #7fb52f, #9fce45);
  border-color: transparent;
  color: #14240a;
}

.agenda-item[data-type="apoio"] .agenda-tag,
.agenda-item[data-type="livre"] .agenda-tag {
  background: rgba(20, 36, 10, 0.12);
  color: #14240a;
}

.section-media {
  position: relative;
}

.section-media::before {
  content: "";
  position: absolute;
  inset: 0 calc(50% - 50vw);
  background:
    linear-gradient(180deg, rgba(20, 53, 40, 0.06), transparent 30%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 11px,
      rgba(61, 41, 24, 0.035) 11px,
      rgba(61, 41, 24, 0.035) 12px
    );
  pointer-events: none;
  z-index: -1;
}

.media-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
  align-items: stretch;
}

.media-preview-copy {
  display: grid;
  align-content: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--forest);
  color: var(--cream);
}

.media-preview-copy h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.media-preview-copy p {
  margin: 0;
  color: rgba(243, 230, 208, 0.78);
}

.media-preview-rail {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.55rem;
  min-height: 16rem;
}

.media-preview-rail img:first-child {
  grid-row: 1 / span 2;
  height: 100%;
  object-fit: cover;
}

.media-preview-rail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04);
}

.media-grid {
  display: grid;
  gap: 0.85rem;
}

.media-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  box-shadow: 0 10px 30px rgba(42, 28, 18, 0.05);
}

.media-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.08rem;
}

.media-card p {
  margin: 0;
  color: rgba(18, 12, 8, 0.62);
  font-size: 0.9rem;
}

.media-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.media-actions .btn {
  min-width: 7.5rem;
}

.section-sponsors .sponsors-board {
  margin: 0;
  border: 1px solid rgba(20, 53, 40, 0.2);
  background: #0f2a1f;
  box-shadow: 0 24px 60px rgba(20, 53, 40, 0.18);
}

.sponsors-board img {
  width: 100%;
  height: auto;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding: 2rem clamp(1rem, 3vw, 2rem) 2.5rem;
  background: var(--dirt);
  color: var(--cream);
}

.footer-brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-brand p,
.footer-credit {
  margin: 0.15rem 0 0;
  color: rgba(243, 230, 208, 0.68);
  font-size: 0.9rem;
}

.footer-credit a {
  color: var(--sun);
  text-decoration: none;
  font-weight: 700;
}

.footer-credit a:hover,
.footer-credit a:focus-visible {
  text-decoration: underline;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 820px) {
  .topbar-nav {
    display: none;
  }

  .media-preview {
    grid-template-columns: 1fr;
  }

  .media-card {
    grid-template-columns: 1fr;
  }

  .media-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .agenda-item {
    grid-template-columns: 5.4rem minmax(0, 1fr);
  }

  .agenda-date {
    font-size: 1.1rem;
    padding: 0.75rem 0.3rem;
  }

  .hero-logo {
    width: min(100%, 16rem);
  }
}

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

  .hero-img,
  .btn,
  .agenda-item {
    transition: none;
    animation: none;
    opacity: 1;
    transform: none;
  }
}