:root {
  --ink: #0d1218;
  --ink-soft: #243040;
  --paper: #eef1f4;
  --paper-deep: #d9e0e7;
  --mist: rgba(238, 241, 244, 0.92);
  --lime: #c6e000;
  --lime-deep: #a8c200;
  --line: rgba(13, 18, 24, 0.12);
  --white: #f7f9fb;
  --header-h: 5.25rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Syne", sans-serif;
  --font-body: "Outfit", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  background:
    radial-gradient(120% 80% at 10% 0%, rgba(198, 224, 0, 0.08), transparent 55%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  -webkit-font-smoothing: antialiased;
}

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

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

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--header-h);
  padding: 0.55rem clamp(1.25rem, 4vw, 3rem);
  color: var(--white);
  background: linear-gradient(
    180deg,
    rgba(8, 12, 18, 0.82) 0%,
    rgba(8, 12, 18, 0.55) 65%,
    rgba(8, 12, 18, 0) 100%
  );
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo {
  width: auto;
  height: 3.6rem;
  object-fit: contain;
  image-rendering: auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.35rem, 1.5vw, 0.5rem);
}

.lang-switch {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid rgba(247, 249, 251, 0.35);
  background: rgba(8, 12, 18, 0.35);
}

.lang-btn {
  appearance: none;
  border: none;
  margin: 0;
  min-width: 2.6rem;
  padding: 0.5rem 0.7rem;
  background: transparent;
  color: rgba(247, 249, 251, 0.72);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.lang-btn + .lang-btn {
  border-left: 1px solid rgba(247, 249, 251, 0.35);
}

.lang-btn:hover,
.lang-btn:focus-visible {
  color: var(--white);
  background: rgba(247, 249, 251, 0.1);
}

.lang-btn.is-active {
  color: var(--ink);
  background: var(--lime);
}

.lang-btn:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.site-nav a {
  padding: 0.55rem 0.95rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  border: 1px solid transparent;
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(247, 249, 251, 0.1);
  border-color: rgba(247, 249, 251, 0.28);
}

.site-nav a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

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

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  transform: scale(1.06);
  animation: hero-drift 18s var(--ease-out) forwards;
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      180deg,
      rgba(8, 12, 18, 0.62) 0%,
      rgba(8, 12, 18, 0.22) 32%,
      rgba(8, 12, 18, 0.5) 68%,
      rgba(8, 12, 18, 0.88) 100%
    ),
    linear-gradient(90deg, rgba(8, 12, 18, 0.35) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(42rem, 100%);
  padding:
    calc(var(--header-h) + 1rem)
    clamp(1.25rem, 4vw, 3rem)
    clamp(2.5rem, 7vh, 4.5rem);
}

.hero-logo {
  display: block;
  width: min(16rem, 58vw);
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.35));
  opacity: 0;
  transform: translateY(28px);
  animation: rise-in 0.9s var(--ease-out) 0.15s forwards;
}

.hero-kicker {
  margin: 1.1rem 0 0;
  max-width: 36ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.78rem, 1.5vw, 0.9rem);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(247, 249, 251, 0.78);
  opacity: 0;
  transform: translateY(20px);
  animation: rise-in 0.85s var(--ease-out) 0.32s forwards;
}

.hero-headline {
  margin: 1rem 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(20px);
  animation: rise-in 0.85s var(--ease-out) 0.45s forwards;
}

.hero-support {
  margin: 1rem 0 0;
  max-width: 34ch;
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 300;
  line-height: 1.5;
  color: rgba(247, 249, 251, 0.86);
  opacity: 0;
  transform: translateY(20px);
  animation: rise-in 0.85s var(--ease-out) 0.58s forwards;
}

.hero-actions {
  margin-top: 1.75rem;
  opacity: 0;
  transform: translateY(20px);
  animation: rise-in 0.85s var(--ease-out) 0.72s forwards;
}

.btn-offer {
  appearance: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0.85rem 1.7rem;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition:
    background 0.25s ease,
    transform 0.25s var(--ease-out),
    box-shadow 0.25s ease;
}

.btn-offer:hover {
  background: var(--lime-deep);
  transform: translateY(-2px);
}

.btn-offer:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

.btn-offer:active {
  transform: translateY(0);
}

/* Sections */
.section {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.section-inner {
  width: min(68rem, calc(100% - clamp(2.5rem, 8vw, 6rem)));
  margin-inline: auto;
}

.section-label {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.section h2 {
  margin: 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section-copy {
  margin: 1.25rem 0 0;
  max-width: 42rem;
  font-size: 1.12rem;
  font-weight: 300;
  color: var(--ink-soft);
}

.section-copy + .section-copy {
  margin-top: 1rem;
}

.about {
  border-top: 1px solid var(--line);
}

.activities {
  background:
    linear-gradient(135deg, rgba(13, 18, 24, 0.96), rgba(26, 40, 54, 0.94)),
    radial-gradient(80% 60% at 90% 10%, rgba(198, 224, 0, 0.12), transparent 50%);
  color: var(--white);
}

.activities .section-label {
  color: rgba(247, 249, 251, 0.65);
}

.activity-list {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(247, 249, 251, 0.16);
}

.activity-list li {
  display: grid;
  grid-template-columns: minmax(11rem, 0.95fr) 1.35fr;
  gap: 1rem 2rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(247, 249, 251, 0.16);
}

.activity-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.3vw, 1.45rem);
  letter-spacing: -0.02em;
}

.activity-desc {
  font-weight: 300;
  color: rgba(247, 249, 251, 0.78);
}

.contact-link {
  display: inline-block;
  margin-top: 1.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  border-bottom: 2px solid var(--lime);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--ink-soft);
  border-color: var(--ink-soft);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem) 2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.footer-logo {
  width: auto;
  height: 3.25rem;
  object-fit: contain;
}

.footer-meta {
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

@keyframes hero-drift {
  to {
    transform: scale(1);
  }
}

@media (max-width: 720px) {
  .site-header {
    height: auto;
    min-height: var(--header-h);
    align-items: flex-start;
    padding-top: 0.65rem;
  }

  .nav-logo {
    height: 3rem;
  }

  .header-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.45rem;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.2rem;
  }

  .site-nav a {
    padding: 0.45rem 0.65rem;
    font-size: 0.78rem;
  }

  .hero-content {
    padding-bottom: 2.25rem;
  }

  .activity-list li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

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

  .hero-image,
  .hero-logo,
  .hero-kicker,
  .hero-headline,
  .hero-support,
  .hero-actions {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .btn-offer:hover {
    transform: none;
  }
}