/* =========================================================
   Земельный актив 26,118 га — инвестиционный лендинг
   Палитра: тёмно-синий / графитовый / белый / золотой акцент
   ========================================================= */

:root{
  --navy: #1a2332;
  --navy-soft: #212c3f;
  --graphite: #2d3748;
  --white: #ffffff;
  --off-white: #f4f5f7;
  --ink-muted: #a9b2c3;
  --gold: #c9a961;
  --gold-soft: rgba(201,169,97,.14);
  --border-soft: rgba(255,255,255,.08);
  --border-dark: rgba(26,35,50,.1);

  --font-head: 'Montserrat', 'Inter', Arial, sans-serif;
  --font-body: 'Inter', Arial, sans-serif;

  --container: 1180px;
  --radius: 2px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

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

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--graphite);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul{ margin: 0; padding: 0; list-style: none; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3{
  font-family: var(--font-head);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

/* ============ HEADER ============ */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 18px 0;
  background: transparent;
  transition: background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.is-scrolled{
  background: rgba(26,35,50,.92);
  backdrop-filter: blur(8px);
  padding: 12px 0;
  box-shadow: 0 6px 24px rgba(0,0,0,.25);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--white);
  letter-spacing: .02em;
  text-transform: uppercase;
}
.logo span{ color: var(--gold); }
@media (max-width: 380px){
  .logo{ font-size: 12px; letter-spacing: 0; }
}

.nav{
  display: none;
  align-items: center;
  gap: 28px;
}
.nav-link{
  font-size: 13px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  transition: color .25s var(--ease);
  white-space: nowrap;
}
.nav-link:hover{ color: var(--white); }
.nav-link.is-active{ color: var(--gold); }
.nav-cta{
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 8px 16px;
  border-radius: var(--radius);
}
.nav-cta:hover{ background: var(--gold); color: var(--navy); }

.burger{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border-soft);
  cursor: pointer;
  padding: 0;
}
.burger span{
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--white);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.burger.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2){ opacity: 0; }
.burger.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 960px){
  .nav{ display: flex; }
  .burger{ display: none; }
}

.nav.is-open{
  display: flex;
  position: fixed;
  top: 0; right: 0;
  height: 100vh;
  width: min(320px, 82vw);
  background: var(--navy);
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  padding: 40px;
  box-shadow: -20px 0 40px rgba(0,0,0,.35);
}

/* ============ HERO ============ */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--navy);
  color: var(--white);
}
.hero-bg{
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1717735418396-b972808504ff?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
}
/* Меньшее изображение для мобильных — экономия трафика */
@media (max-width: 720px){
  .hero-bg{
    background-image: url('https://images.unsplash.com/photo-1717735418396-b972808504ff?auto=format&fit=crop&w=900&q=75');
  }
}
.hero-overlay{
  position: absolute;
  inset: 0;
  /* Тёмный полупрозрачный overlay поверх аэрофотосъёмки — читаемость белого текста */
  background:
    linear-gradient(180deg, rgba(26,35,50,.7) 0%, rgba(26,35,50,.78) 45%, var(--navy) 100%),
    radial-gradient(circle at 15% 20%, rgba(201,169,97,.14), transparent 45%);
}
.hero-inner{
  position: relative;
  z-index: 2;
  padding-top: 140px;
  padding-bottom: 72px;
}
.eyebrow{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--gold);
  margin: 0 0 18px;
  font-weight: 600;
}
.hero-title{
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.hero-number{
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(64px, 15vw, 148px);
  line-height: .95;
  color: var(--white);
}
.hero-unit{
  font-family: var(--font-head);
  font-size: clamp(20px, 4vw, 32px);
  color: var(--gold);
  font-weight: 600;
  margin-left: 8px;
}
.hero-title-line{
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(17px, 2.4vw, 26px);
  line-height: 1.35;
  color: var(--white);
  max-width: 760px;
}
.hero-subtitle{
  max-width: 620px;
  color: var(--ink-muted);
  font-size: 16px;
  margin: 0 0 40px;
}
.hero-stats{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 32px;
  max-width: 620px;
  margin-bottom: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border-soft);
}
.hero-stat{ display: flex; flex-direction: column; gap: 4px; }
.stat-value{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 28px;
  color: var(--gold);
}
.stat-label{
  font-size: 12px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.hero-actions{ display: flex; flex-wrap: wrap; gap: 16px; }

.scroll-cue{
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 20px;
  display: none;
}
.scroll-cue span{
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 4px;
  background: var(--gold);
  border-radius: 50%;
  transform: translateX(-50%);
  animation: scrollcue 1.8s infinite;
}
@keyframes scrollcue{
  0%{ opacity: 1; top: 8px; }
  70%{ opacity: 0; top: 24px; }
  100%{ opacity: 0; top: 8px; }
}
@media (min-width: 720px){ .scroll-cue{ display: block; } }

/* ============ BUTTONS ============ */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 28px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn-gold{
  background: var(--gold);
  color: var(--navy);
}
.btn-gold:hover{ background: #ddbf7d; transform: translateY(-2px); }
.btn-outline{
  border-color: rgba(255,255,255,.35);
  color: var(--white);
}
.btn-outline:hover{ border-color: var(--gold); color: var(--gold); }
.btn-block{ width: 100%; }

/* ============ SECTIONS (generic) ============ */
.section{
  padding: 88px 0;
  background: var(--white);
}
@media (max-width: 720px){
  .section{ padding: 56px 0; }
}
.section-dark{
  background: var(--navy);
  color: var(--white);
}
.section-index{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--gold);
  font-weight: 600;
  margin: 0 0 14px;
}
.section-title{
  font-size: clamp(24px, 3.4vw, 36px);
  margin-bottom: 28px;
  max-width: 720px;
}
.section-dark .section-title{ color: var(--white); }

.section-grid{
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 860px){
  .section-grid{ grid-template-columns: 1fr 1fr; gap: 64px; }
  .section-grid-reverse .section-content{ order: 2; }
  .section-grid-reverse .section-media{ order: 1; }
}

.section-media img{
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border-dark);
}
@media (max-width: 859px){
  .section-media img{ aspect-ratio: 16 / 10; }
}
.section-dark .section-media img{ border-color: var(--border-soft); }

.fact-list li{
  position: relative;
  padding-left: 22px;
  margin-bottom: 16px;
  font-size: 15.5px;
  color: var(--graphite);
}
.fact-list li::before{
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 1px;
  background: var(--gold);
}
.fact-list li strong{ color: var(--navy); }
.fact-list-light li{ color: var(--ink-muted); }
.fact-list-light li strong{ color: var(--white); }

/* ============ MAP BLOCK ============ */
.map-layout{
  display: grid;
  gap: 36px;
}
@media (min-width: 860px){
  .map-layout{ grid-template-columns: 1.3fr 1fr; align-items: center; gap: 56px; }
}
.map-media img{
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
}

/* ---- Схема массива (SVG) ---- */
.map-card{
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  padding: 22px;
}
.massif-svg{
  width: 100%;
  height: auto;
  display: block;
}
.massif-svg text{ font-family: var(--font-body); }
.svg-cad{ font-size: 14.5px; fill: #ffffff; font-weight: 500; }
.svg-area{ font-size: 23px; fill: #c9a961; font-weight: 700; font-family: var(--font-head); }
.svg-pct{ font-size: 12.5px; fill: rgba(255,255,255,.8); font-weight: 500; }
.svg-cad-sm{ font-size: 12px; fill: #ffffff; font-weight: 500; }
.svg-area-sm{ font-size: 16.5px; fill: #c9a961; font-weight: 700; font-family: var(--font-head); }
.svg-pct-sm{ font-size: 10.5px; fill: rgba(255,255,255,.8); font-weight: 500; }

.map-legend{
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-dark);
}
.legend-item{
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  color: var(--graphite);
}
.legend-swatch{
  width: 13px;
  height: 13px;
  border-radius: 2px;
  flex-shrink: 0;
  border: 1px solid rgba(26,35,50,.25);
}
.legend-cad{ font-weight: 600; color: var(--navy); }

.map-total{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--navy);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--white);
}
.map-total strong{
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--gold);
}
.map-caption{
  margin: 14px 0 0;
  font-size: 11.5px;
  line-height: 1.5;
  color: rgba(45,55,72,.65);
}

/* ============ CADASTRE TABLE ============ */
.cadastre-table{
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
}
.cadastre-row{
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  font-size: 14.5px;
  border-bottom: 1px solid var(--border-dark);
}
.cadastre-row:last-child{ border-bottom: none; }
.cadastre-row span:first-child{ color: var(--graphite); font-weight: 500; }
.cadastre-row span:last-child{ color: var(--navy); font-weight: 600; }
.cadastre-head{
  background: var(--off-white);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .06em;
}
.cadastre-head span{ color: var(--graphite) !important; font-weight: 600 !important; }
.cadastre-total{ background: var(--navy); }
.cadastre-total span{ color: var(--white) !important; }
.cadastre-total span:last-child{ color: var(--gold) !important; }

/* На узких экранах строки таблицы превращаются в карточки:
   номер участка — над площадью, а не в стеснённую строку. */
@media (max-width: 560px){
  .cadastre-row{
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 16px 18px;
  }
  .cadastre-head{ display: none; }
  .cadastre-row span:first-child{ font-size: 13px; }
  .cadastre-row span:last-child{
    font-size: 17px;
    font-family: var(--font-head);
  }
  .cadastre-row span:last-child::before{
    content: 'Площадь: ';
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    color: var(--ink-muted);
    display: block;
    margin-bottom: 2px;
  }
  .cadastre-total span:last-child::before{ color: rgba(255,255,255,.6); }
}

.attr-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
}
@media (max-width: 480px){ .attr-grid{ grid-template-columns: 1fr; } }
@media (min-width: 860px){ .attr-grid{ grid-template-columns: repeat(4, 1fr); } }
.attr-card{
  background: var(--white);
  padding: 24px 20px;
}
.attr-label{
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-muted);
  margin: 0 0 10px;
}
.attr-value{
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  color: var(--navy);
  margin: 0;
}

/* ============ EXPANSION ============ */
.expansion-grid{
  display: grid;
  gap: 20px;
  margin-bottom: 36px;
}
@media (min-width: 720px){ .expansion-grid{ grid-template-columns: repeat(3, 1fr); } }
.expansion-card{
  background: var(--navy-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.expansion-cad{
  font-size: 12px;
  color: var(--ink-muted);
  letter-spacing: .03em;
  margin: 0 0 12px;
}
.expansion-area{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 26px;
  color: var(--gold);
  margin: 0 0 12px;
}
.expansion-desc{
  font-size: 14px;
  color: var(--ink-muted);
  margin: 0;
}
.expansion-total{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 24px 28px;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--white);
  background: var(--gold-soft);
}
.expansion-arrow{ color: var(--gold); font-weight: 700; }
.expansion-final strong{ color: var(--gold); }

/* ============ ADVANTAGES ============ */
.advantages-grid{
  display: grid;
  gap: 16px;
}
@media (min-width: 720px){ .advantages-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px){ .advantages-grid{ grid-template-columns: repeat(3, 1fr); } }
.advantage-card{
  background: var(--white);
  border: 1px solid var(--border-dark);
  padding: 30px 26px;
}
.advantage-num{
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  color: var(--gold);
  margin-bottom: 14px;
}
.advantage-card p{ margin: 0; font-size: 15px; color: var(--graphite); }

/* ============ DOCUMENTS ============ */
.docs-grid{
  display: grid;
  gap: 24px;
}
@media (min-width: 720px){ .docs-grid{ grid-template-columns: repeat(2, 1fr); } }
.doc-item{
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
}
.doc-icon{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  color: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 50%;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.doc-item p{ margin: 0; font-size: 14.5px; color: var(--graphite); }

/* ============ CONTACTS / FORM ============ */
.contacts{
  background: var(--off-white);
}
.contacts-grid{
  display: grid;
  gap: 48px;
}
@media (min-width: 900px){ .contacts-grid{ grid-template-columns: 1fr 1fr; gap: 72px; } }
.contacts-text{
  font-size: 15.5px;
  color: var(--graphite);
  max-width: 480px;
  margin-bottom: 32px;
}
.contact-form{
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 36px 28px;
}
.form-title{
  font-size: 19px;
  margin-bottom: 24px;
}
.form-field{
  display: block;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--graphite);
  font-weight: 500;
}
.form-field span{ display: block; margin-bottom: 8px; }
.form-field span em{ color: #c0553f; font-style: normal; }
.form-field input,
.form-field textarea{
  width: 100%;
  font-family: var(--font-body);
  font-size: 14.5px;
  padding: 13px 14px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--navy);
  resize: vertical;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.form-field input:focus,
.form-field textarea:focus{
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}
.form-field.has-error input,
.form-field.has-error textarea{ border-color: #c0553f; }
.field-error{
  display: block;
  min-height: 16px;
  font-size: 12px;
  color: #c0553f;
  margin-top: 6px;
}
#submitBtn:disabled{
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}
.form-success{
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px);
  margin: 0;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--navy);
  font-size: 13.5px;
  transition: opacity .4s var(--ease), transform .4s var(--ease), max-height .4s var(--ease), padding .4s var(--ease), margin .4s var(--ease);
}
.form-success.is-visible{
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
  margin: 16px 0 0;
  padding: 14px 16px;
  background: var(--gold-soft);
  border-color: var(--gold);
}

/* ============ FOOTER ============ */
.site-footer{
  background: var(--navy);
  color: var(--ink-muted);
  padding: 26px 0;
}
.footer-inner{
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
}
@media (min-width: 720px){
  .footer-inner{ flex-direction: row; justify-content: space-between; }
}

/* ============ SCROLL REVEAL ============ */
/* По умолчанию контент виден всегда (на случай если JS не выполнится).
   Анимация появления включается только когда скрипт пометил <html class="js-anim">
   и подтверждена поддержка IntersectionObserver. */
.reveal{ opacity: 1; transform: none; }
.js-anim .reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.js-anim .reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce){
  .js-anim .reveal{ opacity: 1; transform: none; transition: none; }
  html{ scroll-behavior: auto; }
}