/* ==========================================================================
   ПРЕКРАСНЫЙ ДАГЕСТАН — nature & travel visiting card
   Design tokens (Dagestan palette: turquoise river, sun-baked stone, basalt)
   ========================================================================== */

:root{
  --bazalt: #1B1917;      /* basalt — primary dark, warmer than pure black */
  --bazalt-2: #262320;
  --tuman: #F6F1E6;       /* fog — warm off-white */
  --pesok: #EBE2CE;       /* sand — pale warm section bg */
  --biryuza: #2E8C82;     /* turquoise — Sulak river accent */
  --biryuza-dim: #226A62;
  --zakat: #C97A3D;       /* sun-baked stone / terracotta accent */
  --kamen: #948A78;       /* warm stone — muted text */
  --kamen-dark: #5F594C;

  --display: 'Fraunces', 'Iowan Old Style', serif;
  --body: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --edge: 1px solid rgba(27,25,23,0.12);
  --edge-dark: 1px solid rgba(246,241,230,0.14);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--tuman);
  color: var(--bazalt);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

h1,h2,h3{
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.eyebrow{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--biryuza-dim);
  display:flex;
  align-items:center;
  gap:0.5em;
}
.eyebrow::before{
  content:"";
  width:18px; height:1px;
  background: var(--biryuza-dim);
  display:inline-block;
}

.wrap{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- nav ---------- */
.site-nav{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 500;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 22px 40px;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--tuman);
  background: linear-gradient(to bottom, rgba(27,25,23,0.55), rgba(27,25,23,0));
}
.site-nav .brand{
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--tuman);
  text-decoration:none;
}
.site-nav .brand span{ color: var(--zakat); }
.nav-links{
  display:flex;
  gap: 28px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  text-decoration:none;
  color: rgba(246,241,230,0.85);
  transition: color .2s ease;
}
.nav-links a:hover{ color: var(--zakat); }

/* ---------- buttons ---------- */
.btn{
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  padding: 13px 22px;
  cursor: pointer;
  border-radius: 2px;
  transition: background .18s ease, color .18s ease;
  display:inline-flex;
  align-items:center;
  gap: 10px;
  text-decoration:none;
}
.btn:hover{ background: var(--tuman); color: var(--bazalt); }
.btn.primary{
  background: var(--zakat);
  border-color: var(--zakat);
  color: var(--tuman);
}
.btn.primary:hover{ background: var(--tuman); border-color:var(--bazalt); color: var(--bazalt); }

/* ---------- footer ---------- */
.site-footer{
  background: var(--bazalt);
  color: rgba(246,241,230,0.7);
  padding: 56px 0 32px;
  font-size: 0.9rem;
}
.site-footer .wrap{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  flex-wrap:wrap;
  gap: 24px;
  border-bottom: var(--edge-dark);
  padding-bottom: 32px;
  margin-bottom: 20px;
}
.site-footer .brand{
  font-family: var(--display);
  font-size: 1.3rem;
  color: var(--tuman);
}
.footer-note{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--kamen);
  text-align:center;
}

/* ---------- photo tag (signature element) ---------- */
.tag{
  position:absolute;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--tuman);
  background: rgba(27,25,23,0.55);
  backdrop-filter: blur(3px);
  padding: 5px 9px;
  border-radius: 2px;
  border: 1px solid rgba(246,241,230,0.25);
}
.tag.br{ right:14px; bottom:14px; }
.tag.tl{ left:14px; top:14px; }

/* ==========================================================================
   Video hero
   ========================================================================== */
.video-hero{
  position:relative;
  min-height: 100vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background: var(--bazalt);
}
.video-hero video{
  position:absolute;
  top:50%; left:50%;
  min-width:100%; min-height:100%;
  width:auto; height:auto;
  transform: translate(-50%,-50%);
  object-fit: cover;
}
.video-hero::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(27,25,23,0.28) 0%, rgba(27,25,23,0.4) 45%, rgba(27,25,23,0.94) 100%);
}
.video-hero .wrap{
  position:relative; z-index:2;
  padding-bottom: 80px;
  padding-top: 160px;
  width:100%;
}
.video-hero .mute-toggle{
  position:absolute;
  z-index:3;
  right: 32px;
  bottom: 32px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--tuman);
  background: rgba(27,25,23,0.5);
  border: 1px solid rgba(246,241,230,0.35);
  padding: 9px 14px;
  border-radius: 2px;
  cursor:pointer;
  backdrop-filter: blur(3px);
}
.video-hero .mute-toggle:hover{ border-color: var(--zakat); color: var(--zakat); }

/* ==========================================================================
   Checkpoint (captcha) modal — shared across pages
   ========================================================================== */
.checkpoint-overlay{
  position: fixed; inset:0;
  background: rgba(20,18,16,0.72);
  backdrop-filter: blur(4px);
  display:none;
  align-items:center;
  justify-content:center;
  z-index: 1000;
  padding: 24px;
}
.checkpoint-overlay.open{ display:flex; }

.checkpoint{
  width: 100%;
  max-width: 400px;
  background: var(--tuman);
  border-radius: 3px;
  padding: 34px 32px 28px;
  position:relative;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
  animation: rise .28s ease;
}
@keyframes rise{
  from{ transform: translateY(14px); opacity:0; }
  to{ transform: translateY(0); opacity:1; }
}
.checkpoint.shake{ animation: shake .32s ease; }
@keyframes shake{
  0%,100%{ transform: translateX(0); }
  25%{ transform: translateX(-8px); }
  75%{ transform: translateX(8px); }
}

.checkpoint .eyebrow{ margin-bottom: 10px; }
.checkpoint h3{ font-size: 1.4rem; margin-bottom: 6px; }
.checkpoint p.desc{
  color: var(--kamen-dark);
  font-size: 0.9rem;
  margin: 0 0 22px;
}
.checkpoint .close-x{
  position:absolute; top:18px; right:18px;
  background:none; border:none; cursor:pointer;
  font-family: var(--mono);
  font-size:0.85rem;
  color: var(--kamen);
}
.checkpoint .close-x:hover{ color: var(--bazalt); }

.checkpoint-question{
  font-family: var(--mono);
  font-size: 1.05rem;
  background: var(--pesok);
  border: var(--edge);
  padding: 16px 18px;
  border-radius: 2px;
  margin-bottom: 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.checkpoint-question .q-mark{ color: var(--biryuza-dim); font-weight:600; }

.checkpoint input[type="text"]{
  width:100%;
  font-family: var(--mono);
  font-size: 1rem;
  padding: 13px 14px;
  border: 1px solid var(--kamen);
  border-radius: 2px;
  background: #fff;
  margin-bottom: 8px;
}
.checkpoint input[type="text"]:focus{
  outline: 2px solid var(--biryuza);
  outline-offset: 1px;
  border-color: var(--biryuza);
}
.checkpoint-error{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: #B4483B;
  min-height: 18px;
  margin-bottom: 12px;
}
.checkpoint-actions{
  display:flex;
  gap: 10px;
  margin-top: 6px;
}
.checkpoint-actions .btn{ flex:1; justify-content:center; }

/* ==========================================================================
   Under-construction pages
   ========================================================================== */
.uc-hero{
  min-height: 62vh;
  position:relative;
  display:flex;
  align-items:flex-end;
  background-size: cover;
  background-position: center;
  color: var(--tuman);
}
.uc-hero::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(27,25,23,0.15) 0%, rgba(27,25,23,0.88) 92%);
}
.uc-hero .wrap{ position:relative; z-index:2; padding-bottom: 64px; padding-top: 140px; }
.uc-hero .eyebrow{ color: rgba(201,122,61,0.95); margin-bottom: 18px; }
.uc-hero .eyebrow::before{ background: var(--zakat); }
.uc-hero h1{
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  color: var(--tuman);
  max-width: 720px;
}

.uc-body{
  padding: 72px 0 40px;
}
.uc-body p.lead{
  font-size: 1.15rem;
  max-width: 620px;
  color: var(--bazalt);
  margin-bottom: 40px;
}
.uc-progress{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--biryuza-dim);
  letter-spacing: 0.04em;
  display:flex;
  align-items:center;
  gap: 14px;
  margin-bottom: 48px;
}
.uc-progress .bar{
  flex:1;
  max-width: 240px;
  height: 3px;
  background: rgba(46,140,130,0.2);
  position:relative;
  overflow:hidden;
}
.uc-progress .bar::after{
  content:"";
  position:absolute; left:0; top:0; bottom:0;
  width: var(--fill, 38%);
  background: var(--biryuza);
}

.uc-gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 30px;
}
.uc-gallery figure{
  position:relative;
  margin:0;
  aspect-ratio: 4/5;
  overflow:hidden;
}
.uc-gallery img{
  width:100%; height:100%;
  object-fit:cover;
  filter: grayscale(0.15);
  transition: transform .5s ease, filter .5s ease;
}
.uc-gallery figure:hover img{ transform: scale(1.045); filter: grayscale(0); }

.back-home{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--mono);
  font-size: 0.8rem;
  text-decoration:none;
  color: var(--biryuza-dim);
  margin-bottom: 60px;
}
.back-home:hover{ color: var(--zakat); }

/* ---------- responsive ---------- */
@media (max-width: 780px){
  .nav-links{ display:none; }
  .site-nav{ padding: 18px 20px; }
  .wrap{ padding: 0 20px; }
  .uc-gallery{ grid-template-columns: repeat(2,1fr); }
}