:root {
  --black: #030504;
  --night: #080a0d;
  --forest: #0a1712;
  --forest-2: #10281e;
  --wine: #8d1233;
  --wine-dark: #3f0718;
  --blue: #065891;
  --blue-dark: #032b49;
  --amber: #f08a28;
  --fire: #ffb14a;
  --earth: #a06b3a;
  --stone: #d6d0c2;
  --muted: #9b9d92;
  --white: #f8f4ea;
  --line: rgba(248, 244, 234, 0.13);
  --glass: rgba(8, 16, 12, 0.62);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 16% 6%, rgba(141, 18, 51, 0.24), transparent 26rem),
    radial-gradient(circle at 88% 30%, rgba(6, 88, 145, 0.18), transparent 26rem),
    radial-gradient(circle at 76% 10%, rgba(240, 138, 40, 0.1), transparent 18rem),
    linear-gradient(180deg, #020303 0%, var(--night) 44%, #030504 100%);
  color: var(--white);
  font-family: "Inter", system-ui, sans-serif;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

#atmosphere {
  inset: 0;
  pointer-events: none;
  position: fixed;
  z-index: 5;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(3, 5, 4, 0.58);
  border-bottom: 1px solid rgba(248, 244, 234, 0.08);
  display: flex;
  height: 76px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(18px, 4vw, 54px);
  position: fixed;
  right: 0;
  top: 0;
  transition: background 260ms ease, height 260ms ease;
  z-index: 20;
}

.site-header.scrolled {
  background: rgba(3, 5, 4, 0.84);
  height: 64px;
}

.brand {
  align-items: center;
  display: flex;
  font-family: "Archivo", sans-serif;
  font-size: 0.9rem;
  font-weight: 800;
  gap: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand img {
  aspect-ratio: 1.42;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.45));
  height: 34px;
  object-fit: contain;
  width: 50px;
}

.nav-region {
  height: 34px;
  margin-left: auto;
  margin-right: clamp(14px, 2.2vw, 32px);
  max-width: 180px;
  object-fit: contain;
  opacity: 0.92;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: clamp(14px, 2vw, 28px);
}

.nav-links a {
  color: rgba(248, 244, 234, 0.72);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  position: relative;
  text-transform: uppercase;
  transition: color 220ms ease;
}

.nav-links a::after {
  background: linear-gradient(90deg, var(--wine), var(--amber));
  bottom: -8px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
  width: 100%;
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  background: transparent;
  border: 0;
  display: none;
  height: 44px;
  padding: 0;
  width: 44px;
}

.nav-toggle span {
  background: var(--white);
  display: block;
  height: 2px;
  margin: 8px 7px;
  transition: transform 220ms ease;
}

.hero {
  align-items: end;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 420px);
  min-height: 100svh;
  overflow: hidden;
  padding: 122px clamp(18px, 5vw, 72px) 72px;
  position: relative;
}

.hero-bg,
.hero-grid,
.fog {
  inset: 0;
  position: absolute;
}

.hero-bg {
  background:
    radial-gradient(circle at 18% 24%, rgba(141, 18, 51, 0.38), transparent 26rem),
    radial-gradient(circle at 72% 18%, rgba(6, 88, 145, 0.28), transparent 28rem),
    linear-gradient(90deg, rgba(3, 5, 4, 0.97) 0%, rgba(5, 8, 8, 0.84) 42%, rgba(3, 5, 4, 0.28) 100%),
    linear-gradient(0deg, rgba(3, 5, 4, 0.98) 0%, transparent 36%),
    url("assets/hero-expedicao-ardis.png") center / cover no-repeat;
  filter: saturate(0.92) contrast(1.12) brightness(0.8);
  transform: scale(1.05);
  z-index: -4;
}

.hero-grid {
  background-image:
    linear-gradient(rgba(248, 244, 234, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 244, 234, 0.035) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.74), transparent 62%);
  opacity: 0.54;
  z-index: -3;
}

.fog {
  background: radial-gradient(ellipse at center, rgba(214, 208, 194, 0.12), transparent 56%);
  filter: blur(34px);
  opacity: 0.45;
  z-index: -2;
}

.fog-a {
  animation: drift 18s ease-in-out infinite alternate;
  transform: translate(-16%, 10%);
}

.fog-b {
  animation: drift 24s ease-in-out infinite alternate-reverse;
  transform: translate(24%, -22%);
}

.hero-content {
  max-width: 850px;
  position: relative;
  z-index: 1;
}

.kicker,
.section-heading span,
.section-label,
.route-copy span,
.registration-copy span,
.safety-panel span {
  color: var(--fire);
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Archivo", sans-serif;
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: clamp(4.8rem, 15vw, 13.5rem);
  font-weight: 900;
  line-height: 0.78;
  text-transform: uppercase;
}

.subtitle {
  color: var(--stone);
  font-family: "Archivo", sans-serif;
  font-size: clamp(1.45rem, 4vw, 4.2rem);
  font-weight: 800;
  line-height: 1;
  margin: 18px 0 0;
  text-transform: uppercase;
}

.hero-copy {
  color: rgba(248, 244, 234, 0.78);
  font-size: clamp(1rem, 1.8vw, 1.22rem);
  line-height: 1.65;
  margin: 28px 0 0;
  max-width: 680px;
}

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

.btn {
  align-items: center;
  border: 1px solid var(--line);
  display: inline-flex;
  font-size: 0.79rem;
  font-weight: 900;
  justify-content: center;
  letter-spacing: 0.08em;
  min-height: 48px;
  padding: 0 18px;
  text-transform: uppercase;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.hero-actions {
  margin-top: 34px;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--wine-dark), var(--wine) 52%, var(--blue));
  border-color: rgba(255, 177, 74, 0.34);
  box-shadow: 0 18px 54px rgba(141, 18, 51, 0.32);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
}

.mission-panel,
.identity-card,
.info-card,
.prep-card,
.registration-shell,
.safety-panel,
details {
  backdrop-filter: blur(18px);
  background:
    linear-gradient(135deg, rgba(141, 18, 51, 0.12), rgba(6, 88, 145, 0.07) 52%, rgba(255, 255, 255, 0.02)),
    rgba(7, 17, 13, 0.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.mission-panel {
  align-self: end;
  padding: 22px;
  position: relative;
  z-index: 1;
}

.panel-topline,
.signal-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.panel-topline span,
.signal-list span,
.card-code,
.stat span,
.price-grid span,
.pix-box small {
  color: rgba(248, 244, 234, 0.58);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.panel-topline strong {
  color: var(--fire);
  font-family: "Archivo", sans-serif;
  font-size: 3.3rem;
  line-height: 0.9;
}

.countdown {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, 1fr);
  margin: 24px 0;
}

.countdown div {
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid rgba(248, 244, 234, 0.1);
  padding: 12px 8px;
  text-align: center;
}

.countdown strong {
  color: var(--white);
  display: block;
  font-family: "Archivo", sans-serif;
  font-size: clamp(1.55rem, 3vw, 2.5rem);
}

.countdown span {
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 800;
  text-transform: uppercase;
}

.scroll-cue {
  align-items: center;
  bottom: 26px;
  color: rgba(248, 244, 234, 0.52);
  display: flex;
  gap: 10px;
  left: clamp(18px, 5vw, 72px);
  position: absolute;
}

.scroll-cue span {
  animation: pulseLine 1.7s ease infinite;
  background: var(--amber);
  display: block;
  height: 42px;
  width: 1px;
}

.scroll-cue small {
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section {
  margin: 0 auto;
  max-width: var(--max);
  padding: clamp(78px, 11vw, 144px) clamp(18px, 4vw, 36px);
  position: relative;
}

.intro-grid,
.route-section,
.registration-shell {
  align-items: center;
  display: grid;
  gap: clamp(28px, 5vw, 70px);
  grid-template-columns: 1.1fr 0.9fr;
}

.intro-text h2,
.section-heading h2,
.route-copy h2,
.safety-panel h2,
.registration-copy h2 {
  font-size: clamp(2.3rem, 6vw, 5.7rem);
  font-weight: 900;
  line-height: 0.93;
  text-transform: uppercase;
}

.intro-text p,
.section-heading p,
.route-copy p,
.safety-panel p,
.registration-copy p,
.prep-card li,
.info-card p,
.timeline-item p,
.challenge-card p,
details p {
  color: rgba(248, 244, 234, 0.72);
  line-height: 1.7;
}

.prep-card a,
details a {
  color: var(--fire);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgba(255, 177, 74, 0.42);
  text-underline-offset: 3px;
}

.identity-card {
  display: grid;
  gap: 20px;
  padding: 18px;
}

.identity-card img {
  background:
    radial-gradient(circle at 50% 48%, rgba(6, 88, 145, 0.28), transparent 58%),
    radial-gradient(circle at 28% 28%, rgba(141, 18, 51, 0.22), transparent 52%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.42));
  object-fit: contain;
  padding: 22px;
  width: 100%;
}

.identity-card span {
  color: var(--amber);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.identity-card strong {
  display: block;
  font-family: "Archivo", sans-serif;
  font-size: 1.6rem;
  margin-top: 8px;
  text-transform: uppercase;
}

.stats-section {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, 1fr);
  padding-top: 0;
}

.stat {
  background:
    linear-gradient(135deg, rgba(141, 18, 51, 0.09), rgba(6, 88, 145, 0.04)),
    rgba(255, 255, 255, 0.026);
  border: 1px solid var(--line);
  min-height: 220px;
  padding: 26px;
  transition: transform 220ms ease, background 220ms ease;
}

.stat:hover,
.challenge-card:hover,
.info-card:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.03));
  transform: translateY(-5px);
}

.stat strong {
  color: var(--white);
  display: block;
  font-family: "Archivo", sans-serif;
  font-size: clamp(2.7rem, 6vw, 5rem);
  margin: 18px 0 12px;
}

.section-heading {
  margin-bottom: 36px;
  max-width: 850px;
}

.info-grid,
.challenge-grid,
.prep-grid,
.price-grid,
.details-grid,
.official-grid {
  display: grid;
  gap: 14px;
}

.info-grid {
  grid-template-columns: repeat(4, 1fr);
}

.info-card {
  min-height: 290px;
  padding: 24px;
  transition: transform 220ms ease, background 220ms ease;
}

.info-card h3,
.prep-card h3,
.challenge-card h3,
.timeline-item h3 {
  font-size: 1.25rem;
  font-weight: 900;
  margin: 16px 0 12px;
  text-transform: uppercase;
}

.info-card strong {
  color: var(--fire);
  font-size: 0.92rem;
  line-height: 1.55;
}

.route-section {
  max-width: none;
  overflow: hidden;
  padding-left: max(clamp(18px, 4vw, 36px), calc((100vw - var(--max)) / 2));
  padding-right: max(clamp(18px, 4vw, 36px), calc((100vw - var(--max)) / 2));
}

.route-map {
  aspect-ratio: 1.35;
  background:
    linear-gradient(135deg, rgba(141, 18, 51, 0.2), transparent 42%),
    radial-gradient(circle at 78% 25%, rgba(6, 88, 145, 0.24), transparent 12rem),
    radial-gradient(circle at 42% 64%, rgba(240, 138, 40, 0.14), transparent 10rem),
    linear-gradient(180deg, rgba(11, 34, 24, 0.9), rgba(2, 4, 3, 0.86));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  min-height: 360px;
  overflow: hidden;
  position: relative;
}

.route-map::before {
  background-image:
    linear-gradient(rgba(248, 244, 234, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 244, 234, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  content: "";
  inset: 0;
  position: absolute;
}

.route-line {
  border-top: 2px dashed rgba(255, 177, 74, 0.8);
  left: 14%;
  position: absolute;
  right: 14%;
  top: 54%;
  transform: rotate(-16deg);
}

.route-node {
  background: var(--fire);
  border-radius: 50%;
  box-shadow: 0 0 32px rgba(255, 177, 74, 0.55);
  height: 14px;
  position: absolute;
  width: 14px;
}

.route-node span {
  background: rgba(3, 5, 4, 0.76);
  border: 1px solid var(--line);
  color: var(--white);
  display: block;
  font-size: 0.72rem;
  font-weight: 900;
  left: 50%;
  letter-spacing: 0.1em;
  padding: 8px 10px;
  position: absolute;
  text-transform: uppercase;
  top: 22px;
  transform: translateX(-50%);
  white-space: nowrap;
}

.node-a {
  left: 17%;
  top: 61%;
}

.node-b {
  left: 51%;
  top: 48%;
}

.node-c {
  right: 15%;
  top: 37%;
}

.route-distance {
  bottom: 24px;
  color: rgba(248, 244, 234, 0.12);
  font-family: "Archivo", sans-serif;
  font-size: clamp(5rem, 12vw, 10rem);
  font-weight: 900;
  line-height: 0.8;
  position: absolute;
  right: 20px;
}

.timeline {
  border-left: 1px solid rgba(255, 177, 74, 0.35);
  display: grid;
  gap: 16px;
  margin-left: 10px;
}

.timeline-item {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  margin-left: 26px;
  padding: 22px;
  position: relative;
}

.timeline-item::before {
  background: var(--amber);
  box-shadow: 0 0 22px rgba(240, 138, 40, 0.8);
  content: "";
  height: 11px;
  left: -33px;
  position: absolute;
  top: 28px;
  width: 11px;
}

.timeline-item time {
  color: var(--amber);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.challenge-grid {
  grid-template-columns: repeat(3, 1fr);
}

.challenge-card {
  background:
    linear-gradient(135deg, rgba(141, 18, 51, 0.16), rgba(6, 88, 145, 0.08) 58%, transparent),
    rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  min-height: 245px;
  padding: 24px;
  transition: transform 220ms ease, background 220ms ease;
}

.challenge-card span {
  color: rgba(255, 177, 74, 0.48);
  font-family: "Archivo", sans-serif;
  font-size: 3.2rem;
  font-weight: 900;
}

.gallery-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
}

.gallery-grid figure {
  background:
    radial-gradient(circle at 50% 44%, rgba(6, 88, 145, 0.22), transparent 38%),
    radial-gradient(circle at 20% 15%, rgba(141, 18, 51, 0.22), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
  border: 1px solid var(--line);
  margin: 0;
  overflow: hidden;
  position: relative;
}

.gallery-grid img {
  height: 100%;
  object-fit: contain;
  padding: clamp(18px, 4vw, 42px);
  transition: transform 700ms ease;
  width: 100%;
}

.gallery-grid figure:hover img {
  transform: scale(1.04);
}

.gallery-main {
  aspect-ratio: 1.02;
}

.gallery-wide {
  aspect-ratio: 2.35;
  grid-column: 1 / -1;
}

.gallery-wide img {
  object-fit: contain;
  padding: clamp(22px, 5vw, 56px);
}

figcaption {
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.76), transparent);
  bottom: 0;
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 900;
  left: 0;
  letter-spacing: 0.12em;
  padding: 48px 18px 18px;
  position: absolute;
  right: 0;
  text-transform: uppercase;
}

.prep-grid {
  grid-template-columns: repeat(4, 1fr);
}

.prep-card {
  padding: 24px;
}

.prep-card ul {
  margin: 0;
  padding-left: 18px;
}

.prep-card li + li {
  margin-top: 10px;
}

.safety-section {
  max-width: none;
  padding-left: clamp(18px, 5vw, 72px);
  padding-right: clamp(18px, 5vw, 72px);
}

.safety-panel {
  background:
    radial-gradient(circle at 15% 22%, rgba(141, 18, 51, 0.3), transparent 22rem),
    linear-gradient(90deg, rgba(3, 5, 4, 0.92), rgba(3, 5, 4, 0.68)),
    url("assets/hero-expedicao-ardis.png") center / cover no-repeat;
  margin: 0 auto;
  max-width: var(--max);
  min-height: 460px;
  padding: clamp(28px, 6vw, 70px);
}

.safety-panel p {
  max-width: 720px;
}

.registration-shell {
  padding: clamp(22px, 4vw, 44px);
}

.pix-box {
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid rgba(255, 177, 74, 0.28);
  margin-top: 26px;
  padding: 16px;
}

.pix-box strong {
  color: var(--fire);
  display: block;
  font-family: "Archivo", sans-serif;
  font-size: clamp(1rem, 2vw, 1.55rem);
  margin-top: 6px;
  overflow-wrap: anywhere;
}

.price-grid {
  grid-template-columns: 1fr 1fr;
}

.price-grid article {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  min-height: 160px;
  padding: 18px;
}

.price-grid strong {
  color: var(--white);
  display: block;
  font-family: "Archivo", sans-serif;
  font-size: 2.8rem;
  margin: 10px 0 4px;
}

.price-grid p {
  color: rgba(248, 244, 234, 0.68);
  line-height: 1.55;
  margin: 0;
}

.details-grid {
  align-items: start;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 16px;
}

.official-grid {
  align-items: start;
  grid-template-columns: 1fr;
}

details {
  align-self: start;
  border-color: rgba(248, 244, 234, 0.1);
  overflow: hidden;
  padding: 0;
  transition: border-color 220ms ease, background 220ms ease, transform 220ms ease;
}

details:hover {
  border-color: rgba(255, 177, 74, 0.24);
  transform: translateY(-2px);
}

details p strong {
  color: var(--white);
}

summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 12px;
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  letter-spacing: 0.02em;
  list-style: none;
  min-height: 64px;
  padding: 18px 20px;
  text-transform: uppercase;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  background: rgba(255, 177, 74, 0.1);
  border: 1px solid rgba(255, 177, 74, 0.3);
  color: var(--fire);
  content: "+";
  display: grid;
  flex: 0 0 28px;
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  font-weight: 900;
  height: 28px;
  line-height: 1;
  place-items: center;
  transition: background 220ms ease, color 220ms ease, transform 220ms ease;
  width: 28px;
}

details[open] summary::before {
  background: var(--fire);
  color: var(--black);
  content: "−";
}

details p {
  margin: 0;
  padding: 0 20px 20px 60px;
}

details p + p {
  padding-top: 0;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 14% 18%, rgba(141, 18, 51, 0.18), transparent 18rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(0, 0, 0, 0.18));
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 34px clamp(18px, 5vw, 72px);
}

.footer-identity {
  align-items: center;
  display: grid;
  gap: 10px 18px;
  grid-template-columns: auto auto;
}

.footer-badge {
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.45));
  height: 68px;
  object-fit: contain;
  width: 104px;
}

.footer-region {
  height: 40px;
  object-fit: contain;
  width: 180px;
}

.footer-identity p {
  grid-column: 1 / -1;
  margin: 0;
}

.footer-identity .rights {
  color: rgba(248, 244, 234, 0.48);
  font-size: 0.76rem;
}

.site-footer p,
.creator span {
  color: rgba(248, 244, 234, 0.64);
  font-size: 0.82rem;
  font-weight: 700;
}

.creator {
  display: grid;
  gap: 12px;
  justify-items: end;
}

.creator a {
  border: 1px solid var(--line);
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  padding: 10px 12px;
  text-transform: uppercase;
  transition: border-color 220ms ease, color 220ms ease;
}

.creator a:hover {
  border-color: var(--amber);
  color: var(--fire);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes drift {
  to {
    transform: translate(10%, -4%) scale(1.16);
  }
}

@keyframes pulseLine {
  0%,
  100% {
    opacity: 0.32;
    transform: scaleY(0.55);
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@media (max-width: 980px) {
  .hero,
  .intro-grid,
  .route-section,
  .registration-shell {
    grid-template-columns: 1fr;
  }

  .mission-panel {
    max-width: 520px;
  }

  .info-grid,
  .prep-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .challenge-grid,
  .stats-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 68px;
    z-index: 50;
  }

  .nav-open .site-header {
    align-items: flex-start;
    background:
      radial-gradient(circle at 18% 0%, rgba(141, 18, 51, 0.32), transparent 18rem),
      radial-gradient(circle at 92% 100%, rgba(6, 88, 145, 0.2), transparent 20rem),
      rgba(3, 5, 4, 0.995);
    height: 100svh;
    overflow: hidden;
    padding-top: 18px;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 23;
  }

  .nav-region {
    display: none;
  }

  .nav-open .nav-toggle span:first-child {
    transform: translateY(5px) rotate(45deg);
  }

  .nav-open .nav-toggle span:last-child {
    transform: translateY(-5px) rotate(-45deg);
  }

  .nav-links {
    align-content: center;
    background: transparent;
    flex-direction: column;
    gap: 0;
    inset: 0;
    justify-content: flex-start;
    opacity: 0;
    padding: clamp(96px, 18svh, 132px) 28px 42px;
    pointer-events: none;
    position: absolute;
    transform: translateY(-12px);
    transition: opacity 220ms ease, transform 220ms ease;
    z-index: 21;
  }

  .nav-links a {
    border-bottom: 1px solid rgba(248, 244, 234, 0.08);
    color: rgba(248, 244, 234, 0.82);
    display: flex;
    font-size: 0.86rem;
    justify-content: center;
    letter-spacing: 0.12em;
    max-width: 300px;
    padding: 14px 0;
    text-align: center;
    width: 100%;
  }

  .nav-links a:first-child {
    border-top: 1px solid rgba(248, 244, 234, 0.08);
  }

  .nav-links a::after {
    display: none;
  }

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

  .nav-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero {
    min-height: 100svh;
    padding-bottom: 58px;
  }

  .hero-bg {
    background:
      radial-gradient(circle at 24% 16%, rgba(141, 18, 51, 0.35), transparent 18rem),
      linear-gradient(180deg, rgba(3, 5, 4, 0.82), rgba(3, 5, 4, 0.84) 42%, rgba(3, 5, 4, 0.98)),
      url("assets/hero-expedicao-ardis.png") center / cover no-repeat;
  }

  h1 {
    font-size: clamp(4.2rem, 22vw, 7rem);
  }

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

  .info-grid,
  .prep-grid,
  .price-grid,
  .details-grid,
  .official-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-wide {
    aspect-ratio: 1.35;
    grid-column: auto;
  }

  .route-map {
    min-height: 300px;
  }

  .route-node span {
    font-size: 0.62rem;
  }

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

  .footer-identity {
    grid-template-columns: 1fr;
  }

  .creator {
    justify-items: start;
  }
}

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

  #atmosphere {
    display: none;
  }
}