@font-face {
  font-family: "Russo One";
  src: url("../fonts/RussoOne-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "PT Sans";
  src: url("../fonts/PTSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "PT Sans";
  src: url("../fonts/PTSans-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #0f1717;
  --surface: rgba(27, 38, 39, 0.72);
  --surface-strong: #1d2b2d;
  --text: #ecf5f4;
  --muted: #adc4c1;
  --accent: #e4a220;
  --accent-soft: #f6c663;
  --line: rgba(201, 232, 227, 0.18);
  --radius: 22px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "PT Sans", "Verdana", sans-serif;
  line-height: 1.5;
  background:
    radial-gradient(circle at 10% 5%, rgba(34, 80, 81, 0.42), transparent 35%),
    radial-gradient(circle at 85% 12%, rgba(153, 100, 23, 0.28), transparent 40%),
    linear-gradient(170deg, #111b1c 0%, #0d1213 45%, #0a0f10 100%);
}

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

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 2.4rem));
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.bg-shape {
  position: fixed;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  filter: blur(110px);
  z-index: -1;
  opacity: 0.34;
}

.bg-shape--one {
  top: -180px;
  left: -140px;
  background: #2f7a6f;
}

.bg-shape--two {
  right: -140px;
  bottom: -200px;
  background: #9a6113;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(9, 12, 13, 0.66);
  border-bottom: 1px solid var(--line);
}

.header-row {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-badge {
  font-family: "Russo One", sans-serif;
  background: linear-gradient(145deg, #e7bd66, #c88813);
  color: #1b1302;
  border-radius: 12px;
  padding: 0.34rem 0.78rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.brand-text {
  color: var(--muted);
  font-size: 0.96rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.main-nav a {
  text-decoration: none;
  color: #d9ebe8;
  font-weight: 700;
  font-size: 0.95rem;
  transition: color 220ms ease;
}

.main-nav a:hover {
  color: var(--accent-soft);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(32, 45, 47, 0.65);
  color: var(--text);
  padding: 0.48rem 0.76rem;
  font: inherit;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent-soft);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-size: 0.74rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Russo One", sans-serif;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2rem, 5.6vw, 3.45rem);
  line-height: 1.08;
}

h2 {
  font-size: clamp(1.65rem, 3.3vw, 2.5rem);
}

.hero-text {
  margin: 1rem 0 0;
  max-width: 60ch;
  color: #d0e5e2;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1.25rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 220ms ease, background-color 220ms ease, border-color 220ms ease;
}

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

.btn-primary {
  background: linear-gradient(145deg, #f0bc57, #d48808);
  color: #261a06;
}

.btn-ghost {
  border-color: var(--line);
  background: rgba(26, 38, 40, 0.52);
  color: #deefed;
}

.stats {
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.stats li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.86rem 0.9rem;
}

.stats strong {
  display: block;
  font-size: 1.45rem;
  color: #f5d28a;
  font-family: "Russo One", sans-serif;
}

.stats span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-media {
  display: grid;
  gap: 0.8rem;
  padding: 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 31, 33, 0.92), rgba(15, 22, 23, 0.8));
  box-shadow: var(--shadow);
}

.hero-shot {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(233, 190, 98, 0.26);
}

.hero-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shot--main img {
  height: 320px;
}

.hero-media-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.hero-media-strip .hero-shot img {
  height: 138px;
}

.section-head {
  max-width: 72ch;
  margin-bottom: 1.4rem;
}

.section-head p {
  margin: 0.8rem 0 0;
  color: #c6dcd8;
}

.about-grid {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.15rem;
}

.about-card p {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(30, 44, 46, 0.56);
  color: #dfefec;
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font: inherit;
  cursor: pointer;
  transition: border-color 220ms ease, color 220ms ease, background-color 220ms ease;
}

.chip:hover,
.chip.is-active {
  border-color: rgba(245, 193, 83, 0.78);
  background: rgba(91, 64, 20, 0.52);
  color: #fde0ab;
}

.expedition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.expedition-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 240ms ease, border-color 240ms ease, opacity 240ms ease;
}

.expedition-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 195, 89, 0.64);
}

.expedition-card.is-hidden {
  display: none;
}

.expedition-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.expedition-body {
  padding: 1rem 1rem 1.2rem;
}

.year {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent-soft);
  margin-bottom: 0.45rem;
}

.expedition-body p {
  margin: 0.55rem 0 0;
  color: #d2e5e2;
}

.route {
  color: var(--muted);
  font-size: 0.92rem;
}

.gallery-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.gallery-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  padding: 0;
  cursor: zoom-in;
  background: var(--surface);
}

.gallery-item img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  transition: transform 240ms ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.contacts-grid {
  max-width: 760px;
}

.contact-card {
  padding: 1.4rem;
  background:
    radial-gradient(circle at 92% 8%, rgba(228, 162, 32, 0.22), transparent 38%),
    linear-gradient(150deg, rgba(24, 36, 37, 0.95), rgba(16, 23, 24, 0.9));
  border: 1px solid rgba(229, 189, 100, 0.24);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-header p {
  margin: 0.7rem 0 0;
  color: #cadfdb;
}

.contact-person {
  margin-top: 1.2rem;
  padding: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border-radius: 16px;
  border: 1px solid rgba(205, 229, 224, 0.2);
  background: rgba(14, 21, 22, 0.56);
}

.contact-avatar {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(145deg, #f0bc57, #d48808);
  color: #1e1504;
  font-family: "Russo One", sans-serif;
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.contact-meta h3 {
  font-size: 1.2rem;
}

.contact-meta p {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.contact-actions {
  margin-top: 1rem;
  display: grid;
  gap: 0.6rem;
}

.contact-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  background: linear-gradient(145deg, #f0bc57, #d48808);
  color: #251905;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(202, 227, 222, 0.22);
  background: rgba(22, 34, 36, 0.62);
  color: #d9ebe8;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 11, 0.9);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 30;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-figure {
  margin: 0;
  width: min(980px, 100%);
}

.lightbox-figure img {
  max-height: min(72vh, 720px);
  width: 100%;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.lightbox-figure figcaption {
  margin-top: 0.55rem;
  color: #d3e5e1;
}

.lightbox-close {
  position: absolute;
  right: 1.2rem;
  top: 1rem;
  border: 0;
  border-radius: 999px;
  width: 42px;
  height: 42px;
  font-size: 1.8rem;
  line-height: 1;
  color: #f8f4ea;
  background: rgba(38, 48, 50, 0.72);
  cursor: pointer;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 1.6rem;
  background: rgba(6, 8, 9, 0.66);
}

.footer-row {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  color: #b4c9c5;
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 550ms ease, transform 550ms ease;
}

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

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .contacts-grid {
    max-width: 100%;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .section {
    padding: 4rem 0;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.8rem 1.2rem 1.1rem;
    background: rgba(10, 13, 14, 0.94);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav.is-open {
    display: flex;
  }

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

  .about-grid,
  .expedition-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .hero-shot--main img {
    height: 250px;
  }

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

  .hero-media-strip .hero-shot img {
    height: 125px;
  }

  .contact-person {
    align-items: flex-start;
  }
}