:root{--green-dark:#1a3a2a;--green:#2d6a3e;--green-light:#4a9e5e;--cream:#f5f0e8;--brown:#5c3d2e;--gold:#c9a84c;--text:#2c2c2c;--text-light:#666;--white:#fff;--shadow:0 4px 20px rgba(0,0,0,.08);--radius:12px;--max-w:1200px;--header-h:70px;--cta-bar-h:64px;--font:'Segoe UI',system-ui,-apple-system,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--cream);line-height:1.6;padding-bottom:var(--cta-bar-h)}
img{max-width:100%;height:auto;display:block}
a{color:var(--green);text-decoration:none}
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section--gray{background:#e8e4dc}
.section--green{background:linear-gradient(135deg,var(--green-dark),var(--green));color:var(--white)}
.section__title{font-size:clamp(1.6rem,4vw,2.4rem);text-align:center;margin-bottom:12px;color:var(--green-dark)}
.section--green .section__title{color:var(--white)}
.section__subtitle{text-align:center;color:var(--text-light);margin-bottom:48px;font-size:1.05rem}
.section--green .section__subtitle{color:rgba(255,255,255,.8)}
.btn{display:inline-block;padding:14px 36px;border-radius:50px;font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all .3s;text-align:center}
.btn--primary{background:var(--gold);color:var(--text);box-shadow:0 4px 15px rgba(201,168,76,.4)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(201,168,76,.5)}
.btn--outline{background:transparent;border:2px solid var(--white);color:var(--white)}
.btn--outline:hover{background:var(--white);color:var(--green-dark)}

/* HEADER */
.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:rgba(26,58,42,.95);backdrop-filter:blur(10px);z-index:100;display:flex;align-items:center;transition:transform .3s}
.header--hidden{transform:translateY(-100%)}
.header .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.header__logo{font-size:1.3rem;font-weight:800;color:var(--white);letter-spacing:-.5px}
.header__logo span{color:var(--gold)}
.header__nav{display:flex;gap:8px;list-style:none}
.header__nav a{padding:8px 14px;border-radius:8px;color:rgba(255,255,255,.85);font-size:.88rem;font-weight:500;transition:all .2s}
.header__nav a:hover{background:rgba(255,255,255,.12);color:var(--white)}
.header__nav a.active{background:var(--gold);color:var(--text)}
.header__phone{color:var(--gold);font-weight:700;font-size:.95rem;white-space:nowrap}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 20px 80px;background:linear-gradient(135deg,#1a3a2a,#2d5a3e,#3d7a52);color:var(--white);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('images/hero-river.jpg') center/cover;opacity:.15;filter:blur(2px)}
.hero__content{position:relative;z-index:1;max-width:800px}
.hero h1{font-size:clamp(2rem,6vw,3.6rem);font-weight:900;line-height:1.1;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero h1 span{color:var(--gold)}
.hero__sub{font-size:clamp(1rem,2.5vw,1.3rem);opacity:.9;margin-bottom:32px;line-height:1.5}
.hero__stats{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.hero__stat{text-align:center}
.hero__stat-num{font-size:1.8rem;font-weight:900;color:var(--gold)}
.hero__stat-label{font-size:.82rem;opacity:.8;margin-top:2px}
.hero__btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero .btn--primary{font-size:1.1rem;padding:16px 44px}

/* FEATURES STRIP */
.features{padding:40px 0;background:var(--white)}
.features__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;text-align:center}
.features__item{padding:20px}
.features__icon{font-size:2rem;margin-bottom:8px}
.features__text{font-weight:600;font-size:.95rem;color:var(--text)}
.features__sub{font-size:.82rem;color:var(--text-light);margin-top:4px}

/* ABOUT */
.about{padding:60px 0;background:var(--cream)}
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about__text h2{font-size:clamp(1.4rem,3vw,2rem);color:var(--green-dark);margin-bottom:16px}
.about__text p{margin-bottom:12px;color:var(--text)}
.about__text strong{color:var(--green)}
.about__image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about__image img{width:100%;aspect-ratio:16/11;object-fit:cover}

/* TOURS TABS */
.tours{padding:80px 0;background:var(--white)}
.tabs{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:40px}
.tab-btn{padding:10px 20px;border-radius:50px;border:2px solid var(--green);background:transparent;color:var(--green);font-weight:600;font-size:.85rem;cursor:pointer;transition:all .3s}
.tab-btn:hover{background:rgba(45,106,62,.08)}
.tab-btn.active{background:var(--green);color:var(--white)}
.tour-panel{display:none}
.tour-panel.active{display:block}
.tour-panel h3{font-size:1.5rem;color:var(--green-dark);margin-bottom:8px}
.tour-panel .tour-meta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px;font-size:.9rem;color:var(--text-light)}
.tour-panel .tour-meta span{background:#f0ece4;padding:6px 14px;border-radius:50px}
.tour-panel .tour-price{font-size:1.4rem;font-weight:800;color:var(--green);margin-bottom:16px}
.tour-panel .tour-price small{font-size:.85rem;font-weight:400;color:var(--text-light)}
.tour-panel .tour-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);margin-bottom:16px;box-shadow:var(--shadow)}
.tour-panel .tour-desc{line-height:1.7;margin-bottom:20px;color:var(--text)}
.tour-panel h4{font-size:1.1rem;color:var(--green);margin:20px 0 8px;border-bottom:2px solid var(--cream);padding-bottom:6px}
.tour-panel .schedule{background:var(--cream);border-radius:var(--radius);padding:20px;margin:16px 0}
.tour-panel .schedule-item{display:flex;gap:12px;padding:8px 0;border-bottom:1px solid rgba(0,0,0,.05)}
.tour-panel .schedule-item:last-child{border-bottom:none}
.tour-panel .schedule-time{font-weight:700;color:var(--green);white-space:nowrap;min-width:60px;font-size:.9rem}
.tour-panel .schedule-desc{color:var(--text);font-size:.92rem}
.tour-panel ul{margin:8px 0 16px;padding-left:20px}
.tour-panel ul li{margin-bottom:6px;color:var(--text)}
.price-note{font-size:.85rem;color:var(--text-light);font-style:italic;margin-top:8px}

/* CALENDAR */
.calendar{padding:80px 0;background:var(--cream)}
.calendar-nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:32px}
.cal-month-btn{padding:8px 20px;border-radius:50px;border:2px solid var(--green);background:transparent;color:var(--green);font-weight:600;cursor:pointer;transition:all .3s;font-size:.9rem}
.cal-month-btn:hover{background:rgba(45,106,62,.08)}
.cal-month-btn.active{background:var(--green);color:var(--white)}
.cal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.cal-card{border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow);transition:transform .2s}
.cal-card:hover{transform:translateY(-3px)}
.cal-card__date{background:var(--green);color:var(--white);padding:10px 16px;font-weight:700;font-size:1rem}
.cal-card__body{padding:14px 16px}
.cal-card__body h5{font-size:.95rem;color:var(--green-dark);margin-bottom:4px}
.cal-card__body p{font-size:.85rem;color:var(--text-light)}
.cal-card__body .cal-price{font-weight:700;color:var(--green);margin-top:6px}
.cal-month-group{display:none}
.cal-month-group.active{display:block}

/* INFRASTRUCTURE */
.infrastructure{padding:80px 0;background:var(--white)}
.infrastructure h2{font-size:clamp(1.4rem,3vw,2rem);color:var(--green-dark);text-align:center;margin-bottom:48px}
.infra-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:32px}
.infra-card{border-radius:var(--radius);overflow:hidden;background:var(--cream);box-shadow:var(--shadow);transition:transform .2s}
.infra-card:hover{transform:translateY(-3px)}
.infra-card__img{height:200px;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;background:var(--cream)}
.infra-card__img img{width:100%;height:100%;object-fit:cover}
.infra-card__body{padding:20px}
.infra-card__body h3{font-size:1.15rem;color:var(--green-dark);margin-bottom:8px}
.infra-card__body p{font-size:.9rem;color:var(--text);line-height:1.6;margin-bottom:8px}
.infra-card__tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.infra-card__tags span{background:var(--green);color:var(--white);padding:3px 10px;border-radius:50px;font-size:.78rem;font-weight:600}

/* GUIDE / INFO */
.guide{padding:80px 0;background:var(--cream)}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.guide-card{border-radius:var(--radius);background:var(--white);padding:24px;box-shadow:var(--shadow)}
.guide-card__icon{font-size:2rem;margin-bottom:10px}
.guide-card h3{font-size:1.05rem;color:var(--green-dark);margin-bottom:8px}
.guide-card p,.guide-card li{font-size:.88rem;color:var(--text);line-height:1.6}
.guide-card ul{padding-left:18px;margin-top:6px}
.guide-card ul li{margin-bottom:4px}

/* EXTRA SERVICES */
.services-extra{padding:60px 0;background:var(--white)}
.services-extra__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.services-extra__card{text-align:center;padding:28px 20px;border-radius:var(--radius);background:var(--cream);box-shadow:var(--shadow)}
.services-extra__card h4{color:var(--green-dark);margin-bottom:6px}
.services-extra__card p{font-size:.85rem;color:var(--text-light)}

/* REVIEWS */
.reviews__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.review-card{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.review-card__stars{color:var(--gold);font-size:1.1rem;margin-bottom:8px}
.review-card__text{font-size:.9rem;color:var(--text);line-height:1.6;margin-bottom:12px;font-style:italic}
.review-card__author{font-weight:700;font-size:.85rem;color:var(--green-dark)}
.review-card__source{font-size:.78rem;color:var(--text-light)}

/* FAQ */
.faq-list{max-width:750px;margin:0 auto}
.faq-item{border-radius:var(--radius);background:var(--white);margin-bottom:10px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{padding:18px 20px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:.95rem;background:var(--white);border:none;width:100%;text-align:left;color:var(--text);transition:background .2s}
.faq-q:hover{background:var(--cream)}
.faq-q .faq-arrow{transition:transform .3s;font-size:.8rem}
.faq-item.open .faq-q .faq-arrow{transform:rotate(180deg)}
.faq-a{padding:0 20px 0;max-height:0;overflow:hidden;transition:all .4s;font-size:.9rem;color:var(--text);line-height:1.6}
.faq-item.open .faq-a{padding:0 20px 18px;max-height:600px}

/* CALLOUT */
.callout{text-align:center;padding:80px 20px;background:linear-gradient(135deg,var(--green-dark),var(--green));color:var(--white)}
.callout h2{font-size:clamp(1.4rem,3.5vw,2.2rem);margin-bottom:16px}
.callout p{font-size:1.05rem;opacity:.9;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}

/* CONTACTS */
.contacts{background:var(--cream)}
.contacts__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contacts__info h3{font-size:1.2rem;color:var(--green-dark);margin-bottom:20px}
.contacts__info p{margin-bottom:10px;font-size:.92rem;color:var(--text)}
.contacts__info strong{color:var(--green)}
.contacts__map{width:100%;height:200px;border-radius:var(--radius);overflow:hidden;margin:16px 0;border:0}
.transport h4{color:var(--green);margin:20px 0 10px;font-size:1rem}
.transport p{font-size:.88rem;color:var(--text);margin-bottom:6px}
.transport .train-table{width:100%;border-collapse:collapse;font-size:.82rem;margin:10px 0;background:var(--white);border-radius:var(--radius);overflow:hidden}
.transport .train-table th,.transport .train-table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--cream)}
.transport .train-table th{background:var(--green);color:var(--white);font-weight:600}
.contacts__form{background:var(--white);padding:32px;border-radius:var(--radius);box-shadow:var(--shadow)}
.contacts__form h3{font-size:1.2rem;color:var(--green-dark);margin-bottom:20px}
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:4px;font-weight:600;font-size:.9rem;color:var(--text)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border:2px solid #ddd;border-radius:8px;font-size:.95rem;font-family:inherit;transition:border-color .2s;background:var(--white);color:var(--text)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--green)}
.form-group textarea{resize:vertical;min-height:80px}
.form-note{font-size:.8rem;color:var(--text-light);margin-top:8px;text-align:center}

/* SOCIAL */
.social-links{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}
.social-link{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:50px;background:var(--white);border:2px solid var(--green);color:var(--green);font-weight:600;font-size:.85rem;transition:all .2s}
.social-link:hover{background:var(--green);color:var(--white)}

/* FOOTER */
.footer{background:var(--green-dark);color:rgba(255,255,255,.7);padding:48px 20px 80px;font-size:.85rem}
.footer__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;max-width:var(--max-w);margin:0 auto}
.footer h4{color:var(--white);font-size:.95rem;margin-bottom:12px}
.footer a{color:rgba(255,255,255,.7);display:block;margin-bottom:6px;font-size:.85rem}
.footer a:hover{color:var(--gold)}
.footer__bottom{text-align:center;padding-top:24px;margin-top:24px;border-top:1px solid rgba(255,255,255,.1);max-width:var(--max-w);margin-left:auto;margin-right:auto}

/* STICKY CTA */
.cta-bar{position:fixed;bottom:0;left:0;right:0;height:var(--cta-bar-h);background:rgba(26,58,42,.97);backdrop-filter:blur(10px);z-index:99;display:flex;align-items:center;justify-content:center;gap:12px;padding:0 16px}
.cta-bar__btn{padding:10px 28px;border-radius:50px;font-weight:700;font-size:.88rem;border:none;cursor:pointer;transition:all .2s;white-space:nowrap}
.cta-bar__btn--primary{background:var(--gold);color:var(--text)}
.cta-bar__btn--outline{background:transparent;border:2px solid var(--white);color:var(--white)}
.cta-bar__btn:hover{transform:translateY(-1px)}
.cta-bar__phone{color:var(--gold);font-weight:700;font-size:.88rem;margin-right:8px}

/* BACK TO TOP */
.back-top{position:fixed;bottom:80px;right:20px;width:48px;height:48px;border-radius:50%;background:var(--green);color:var(--white);border:none;font-size:1.4rem;cursor:pointer;opacity:0;pointer-events:none;transition:all .3s;z-index:50;box-shadow:0 4px 15px rgba(0,0,0,.2)}
.back-top.visible{opacity:1;pointer-events:auto}

/* LIGHTBOX */
#lightbox{display:none;position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.92);align-items:center;justify-content:center;cursor:pointer}
#lightbox.active{display:flex}
#lightbox img{max-width:92vw;max-height:92vh;border-radius:8px;object-fit:contain}
#lightbox .lb-close{position:absolute;top:24px;right:32px;color:var(--white);font-size:2rem;cursor:pointer;opacity:.7;transition:opacity .2s}
#lightbox .lb-close:hover{opacity:1}

/* GALLERY */
.gallery__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.gallery__item{aspect-ratio:4/3;overflow:hidden;border-radius:8px;cursor:pointer;position:relative}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery__item:hover img{transform:scale(1.08)}

/* RESPONSIVE */
@media(max-width:768px){
  .header__nav{display:none}
  .header__phone{font-size:.82rem}
  .hero{min-height:90vh;padding:100px 16px 60px}
  .hero h1{font-size:clamp(1.6rem,5vw,2.2rem)}
  .about__grid{grid-template-columns:1fr}
  .contacts__grid{grid-template-columns:1fr}
  .tabs{gap:4px}
  .tab-btn{padding:8px 14px;font-size:.78rem}
  .cta-bar__phone{display:none}
  .cta-bar__btn{padding:8px 18px;font-size:.82rem}
}
/* Mobile menu button — hide on desktop, show on mobile */
.mobile-menu-btn { display: none; }
@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .mobile-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,.5);
    z-index: 999;
  }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 0; right: 0;
    width: 70%; height: 100%;
    background: var(--accent,#1d7a3e);
    z-index: 1000;
    padding: 80px 24px 24px;
    box-shadow: -4px 0 12px rgba(0,0,0,.15);
    transition: transform .3s ease;
  }
  .mobile-menu a {
    display: block;
    color: #fff;
    font-size: 1.1rem;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,.2);
    text-decoration: none;
  }
}

/* Extra small screens (≤480px) */
@media (max-width: 480px) {
  .header__phone { font-size: .75rem; }
  .hero { min-height: 85vh; padding: 90px 12px 40px; }
  .hero h1 { font-size: clamp(1.3rem, 5.5vw, 1.8rem); }
  .hero__sub { font-size: .92rem; }
  .hero__stats { gap: 12px; }
  .hero__stat-num { font-size: 1.4rem; }
  .hero__stat-label { font-size: .75rem; }
  .hero .btn--primary { font-size: .95rem; padding: 14px 28px; }
  .container { padding: 0 12px; }
  .section { padding: 40px 0; }
  .section__subtitle { margin-bottom: 24px; font-size: .9rem; }
  .features__grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .about { padding: 40px 0; }
  .tours { padding: 40px 0; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; gap: 4px; padding-bottom: 8px; justify-content: flex-start; }
  .tab-btn { padding: 6px 14px; font-size: .75rem; white-space: nowrap; }
  .tour-panel h3 { font-size: 1.15rem; }
  .tour-panel .tour-price { font-size: 1.1rem; }
  .tour-panel .schedule { padding: 12px; }
  .tour-panel .schedule-item { flex-direction: column; gap: 2px; padding: 6px 0; }
  .tour-panel .schedule-time { min-width: auto; font-size: .82rem; }
  .tour-panel .schedule-desc { font-size: .82rem; }
  .infrastructure { padding: 40px 0; }
  .infra-grid { grid-template-columns: 1fr; gap: 16px; }
  .infra-card__img { height: 160px; }
  .infra-card__body p { font-size: .85rem; }
  .guide { padding: 40px 0; }
  .guide-grid { grid-template-columns: 1fr; gap: 16px; }
  .guide-card { padding: 16px; }
  .reviews__grid { grid-template-columns: 1fr; gap: 16px; }
  .review-card { padding: 16px; }
  .contacts__grid { gap: 24px; }
  .contacts__form { padding: 20px; }
  .contacts__form h3 { font-size: 1.05rem; }
  .form-group input, .form-group select, .form-group textarea { padding: 10px 12px; font-size: .88rem; }
  .cta-bar__btn { padding: 8px 14px; font-size: .78rem; }
  .cta-bar__btn--primary { padding: 8px 20px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .calendar { padding: 40px 0; }
  .cal-grid { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .mobile-menu { width: 85%; padding: 70px 16px 16px; }
  .mobile-menu a { font-size: 1rem; padding: 10px 0; }
  .tour-panel ul { padding-left: 16px; }
  .tour-panel ul li { font-size: .85rem; }
  .callout { padding: 50px 16px; }
  .callout h2 { font-size: 1.3rem; }
  .callout p { font-size: .9rem; }
  .back-top { width: 40px; height: 40px; bottom: 72px; right: 12px; font-size: 1.1rem; }
  .social-links { gap: 8px; }
  .social-link { padding: 6px 12px; font-size: .8rem; }
}