:root {
  --ink: #061018;
  --navy: #0b2340;
  --sea: #0e4f73;
  --sky: #d8e3e7;
  --white: #ffffff;
  --yellow: #ffc400;
  --muted: #74818b;
  --line: rgba(255, 255, 255, 0.18);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #f4f6f4;
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(18px, 5vw, 64px);
  color: var(--white);
  transition: background 180ms ease, padding 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  padding-block: 14px;
  background: rgba(6, 16, 24, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.main-nav a {
  opacity: 0.88;
}

.main-nav a:hover {
  opacity: 1;
}

.nav-cta {
  min-height: 42px;
  padding: 12px 18px;
  border: 1px solid var(--yellow);
  color: var(--yellow);
}

.menu-toggle {
  display: none;
}

.section-dark {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero {
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: 140px clamp(18px, 6vw, 84px) 76px;
}

.expedition-hero {
  min-height: 92svh;
  display: grid;
  align-items: end;
  padding: 140px clamp(18px, 6vw, 84px) 76px;
}

.hero-bg,
.story-bg,
.contact-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 16, 24, 0.82), rgba(6, 16, 24, 0.36) 52%, rgba(6, 16, 24, 0.2)),
    linear-gradient(0deg, rgba(6, 16, 24, 0.9), transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 920px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--yellow);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: "Oranienbaum", Georgia, serif;
  font-weight: 400;
  text-transform: uppercase;
}

h1 {
  max-width: 860px;
  margin-bottom: 26px;
  color: var(--yellow);
  font-size: clamp(48px, 8vw, 118px);
  line-height: 0.86;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(38px, 5vw, 76px);
  line-height: 0.9;
}

h3 {
  font-size: 24px;
  line-height: 1.08;
}

.hero-text {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.35;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 15px 22px;
  border: 1px solid currentColor;
  font-weight: 800;
  text-transform: uppercase;
}

.button-primary {
  border-color: var(--yellow);
  background: var(--yellow);
  color: var(--ink);
}

.button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.button-ghost {
  color: var(--white);
}

.hero-note {
  position: absolute;
  right: clamp(18px, 6vw, 80px);
  bottom: 52px;
  z-index: 1;
  display: grid;
  justify-items: end;
  gap: 2px;
  color: var(--white);
  font-size: clamp(22px, 3vw, 42px);
  font-weight: 800;
  text-transform: uppercase;
}

.script {
  color: var(--white);
  font-family: "Marck Script", cursive;
  font-size: 1.25em;
  font-weight: 400;
  text-transform: none;
}

.intro-band {
  overflow: hidden;
  background: var(--yellow);
  color: var(--ink);
}

.intro-line {
  display: flex;
  width: max-content;
  gap: clamp(32px, 7vw, 96px);
  padding: 22px 0;
  animation: marquee 20s linear infinite;
  font-family: "Oranienbaum", Georgia, serif;
  font-size: clamp(36px, 5vw, 72px);
  text-transform: uppercase;
}

.intro-line span {
  padding-left: clamp(32px, 7vw, 96px);
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-45%);
  }
}

.section {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding: clamp(70px, 10vw, 132px) clamp(18px, 4vw, 36px);
}

.section-head {
  max-width: 780px;
  margin-bottom: 40px;
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.55;
}

.tour-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.tour-card {
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 24px 70px rgba(6, 16, 24, 0.08);
}

.tour-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.tour-card-body {
  display: grid;
  min-height: 460px;
  align-content: start;
  padding: 28px;
}

.tour-region {
  margin-bottom: 14px;
  color: var(--sea);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.tour-card p {
  color: #43505a;
  line-height: 1.55;
}

.tour-card dl {
  display: grid;
  gap: 10px;
  margin: auto 0 24px;
  padding-top: 20px;
}

.tour-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid #e3e8ea;
  padding-bottom: 10px;
}

.tour-card dt {
  color: var(--muted);
  font-size: 13px;
}

.tour-card dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
}

.tour-card a {
  color: var(--ink);
  font-weight: 900;
  text-transform: uppercase;
  text-decoration: underline;
  text-decoration-color: var(--yellow);
  text-decoration-thickness: 4px;
  text-underline-offset: 5px;
}

.expedition-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  padding-top: 42px;
  padding-bottom: 42px;
}

.summary-card {
  min-height: 128px;
  display: grid;
  align-content: space-between;
  gap: 18px;
  background: var(--white);
  padding: 22px;
  box-shadow: 0 18px 55px rgba(6, 16, 24, 0.06);
}

.summary-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.summary-card strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.08;
}

.detail-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 7vw, 96px);
  align-items: start;
}

.detail-copy p {
  color: #43505a;
  font-size: 20px;
  line-height: 1.6;
}

.route-section {
  padding-top: 40px;
}

.route-days {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.route-days article {
  min-height: 280px;
  display: grid;
  align-content: start;
  gap: 16px;
  background: var(--ink);
  color: var(--white);
  padding: 24px;
}

.route-days span {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.route-days h3 {
  margin-bottom: 0;
}

.route-days p {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.55;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 16px;
}

.gallery-grid img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.gallery-grid img:nth-child(1),
.gallery-grid img:nth-child(3) {
  height: 620px;
}

.gallery-grid img:nth-child(2) {
  grid-row: span 1;
}

.gallery-grid img:nth-child(4) {
  margin-top: -200px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
  padding: clamp(70px, 10vw, 132px) clamp(18px, 6vw, 84px);
}

.split-media img {
  width: 100%;
  max-height: 760px;
  object-fit: cover;
}

.split-copy {
  position: relative;
  z-index: 1;
}

.split-copy p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 20px;
  line-height: 1.55;
}

.feature-list {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.feature-list div {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.feature-list span {
  color: var(--yellow);
  font-weight: 900;
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.fit-grid div,
.include-grid > div {
  background: var(--white);
  padding: 28px;
}

.fit-grid p,
.include-grid li {
  color: #43505a;
  line-height: 1.55;
}

.story {
  min-height: 860px;
  display: grid;
  align-items: end;
  padding: clamp(70px, 10vw, 132px) clamp(18px, 6vw, 84px);
}

.story-overlay,
.contact-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 16, 24, 0.86), rgba(6, 16, 24, 0.45) 60%, rgba(6, 16, 24, 0.2)),
    linear-gradient(0deg, rgba(6, 16, 24, 0.88), transparent 60%);
}

.story-content,
.contact-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.story-content p,
.contact-content p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
  line-height: 1.58;
}

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

figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  background: var(--ink);
}

figure img {
  width: 100%;
  height: 620px;
  object-fit: cover;
  opacity: 0.86;
}

figcaption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  color: var(--white);
  font-size: clamp(24px, 4vw, 46px);
  font-weight: 900;
  line-height: 1;
}

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

.include-grid h3 {
  color: var(--sea);
}

.include-grid ul {
  margin: 0;
  padding-left: 20px;
}

.include-grid li + li {
  margin-top: 12px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  background: var(--white);
  padding: 0 26px;
}

summary {
  cursor: pointer;
  padding: 24px 0;
  font-size: 20px;
  font-weight: 900;
  list-style: none;
}

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

summary::after {
  content: "+";
  float: right;
  color: var(--yellow);
  font-size: 28px;
  line-height: 0.8;
}

details[open] summary::after {
  content: "-";
}

details p {
  max-width: 760px;
  padding-bottom: 24px;
  color: #43505a;
  line-height: 1.55;
}

.contact {
  min-height: 720px;
  display: grid;
  align-items: center;
  padding: clamp(70px, 10vw, 132px) clamp(18px, 6vw, 84px);
}

.lead-form {
  display: grid;
  gap: 16px;
  max-width: 760px;
  margin-top: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.lead-form label {
  display: grid;
  gap: 8px;
}

.lead-form label > span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font: inherit;
  line-height: 1.4;
  padding: 15px 16px;
  outline: none;
}

.lead-form textarea {
  resize: vertical;
}

.lead-form input::placeholder,
.lead-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.52);
}

.lead-form input:focus,
.lead-form textarea:focus {
  border-color: var(--yellow);
  background: rgba(255, 255, 255, 0.16);
}

.hidden-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.consent-check {
  grid-template-columns: 20px 1fr;
  align-items: start;
  gap: 12px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.5;
}

.consent-check input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--yellow);
}

.consent-check span {
  letter-spacing: 0;
  text-transform: none;
}

.consent-check a {
  color: var(--yellow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--yellow);
  font-size: 14px;
  font-weight: 800;
}

.legal-page {
  max-width: 920px;
  margin-inline: auto;
  padding: 130px clamp(18px, 5vw, 48px) 80px;
}

.legal-page h1 {
  color: var(--ink);
  font-size: clamp(42px, 6vw, 82px);
}

.legal-page h2 {
  margin-top: 42px;
  font-size: clamp(30px, 4vw, 46px);
}

.legal-page p,
.legal-page li {
  color: #43505a;
  font-size: 18px;
  line-height: 1.65;
}

.legal-page a {
  color: var(--sea);
  font-weight: 800;
  text-decoration: underline;
}

.legal-note {
  border-left: 6px solid var(--yellow);
  background: var(--white);
  padding: 18px 20px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 6vw, 84px);
  background: var(--ink);
  color: var(--white);
}

.site-footer p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.site-footer a {
  color: var(--yellow);
  font-weight: 900;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

@media (max-width: 940px) {
  .menu-toggle {
    position: relative;
    z-index: 31;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.38);
    background: transparent;
  }

  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--white);
  }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 22px;
    padding: 90px 28px;
    background: rgba(6, 16, 24, 0.96);
    font-size: 28px;
  }

  body.menu-open .main-nav {
    display: flex;
  }

  .hero {
    min-height: 780px;
  }

  .expedition-hero {
    min-height: 760px;
  }

  .hero-note {
    display: none;
  }

  .tour-grid,
  .fit-grid,
  .split,
  .include-grid,
  .atmosphere-grid,
  .expedition-summary,
  .detail-grid,
  .route-days,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid img,
  .gallery-grid img:nth-child(1),
  .gallery-grid img:nth-child(3) {
    height: 460px;
  }

  .gallery-grid img:nth-child(4) {
    margin-top: 0;
  }

  .tour-card-body {
    min-height: auto;
  }

  .story {
    min-height: 760px;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding-inline: 16px;
  }

  .brand span {
    max-width: 120px;
    line-height: 1.1;
  }

  .hero {
    min-height: 720px;
    padding-inline: 18px;
    padding-bottom: 44px;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

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

  .button {
    width: 100%;
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 40px;
  }

  figure img {
    height: 460px;
  }

  .site-footer {
    display: grid;
  }
}