/* ===== СЕВЕРНЫЙ ПОРТ — Climate Design System ===== */

:root{
  --bg:#f0f4f8;
  --surface:#ffffff;
  --card:#ffffff;
  --muted:#64748b;
  --brand:#0284c7;
  --brand2:#0369a1;
  --brand-light:#e0f2fe;
  --brand-glow:rgba(2,132,199,.12);
  --text:#0f172a;
  --accent:#0ea5e9;
  --line:#e2e8f0;
  --line2:#cbd5e1;
  --frost:#f8fafc;
  --success:#10b981;
  --danger:#ef4444;
  --nav-bg:rgba(255,255,255,.92);
  --shadow-sm:0 1px 3px rgba(15,23,42,.06);
  --shadow-md:0 4px 16px rgba(15,23,42,.08);
  --shadow-lg:0 12px 40px rgba(15,23,42,.1);
  --shadow-brand:0 8px 24px rgba(2,132,199,.18);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;overflow-x:hidden;width:100%;max-width:100%;-webkit-font-smoothing:antialiased}
body{position:relative}
img,video,iframe{max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s}a:hover{color:var(--brand2)}

/* ===== LAYOUT ===== */
.container{max-width:1200px;margin:0 auto;padding:16px 20px}

/* ===== NAVIGATION ===== */
.nav{position:fixed!important;top:0!important;left:0!important;right:0!important;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line);z-index:1000!important;width:100%!important;margin:0;transition:box-shadow .3s}
.nav:hover{box-shadow:var(--shadow-sm)}
body{padding-top:70px}
body > .container:first-of-type{padding-top:0}
body > div:first-of-type:not(.nav):not(.container){padding-top:0}
.nav .inner{display:flex;align-items:center;gap:12px;padding:10px 16px;position:relative;max-width:1200px;box-sizing:border-box;width:100%;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.2px;font-size:18px;flex-shrink:0;min-width:0;color:var(--text)}
.logo a{color:var(--text)}
.logo .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#0ea5e9,#0284c7);flex-shrink:0;box-shadow:0 0 8px rgba(14,165,233,.4)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);cursor:pointer;padding:0;margin-left:auto;flex-shrink:0;min-width:38px;width:38px;height:38px;border-radius:var(--radius-sm);transition:all .2s;align-items:center;justify-content:center}
.menu-toggle:hover{background:var(--brand-light)}
.navlinks{display:flex;flex-wrap:wrap;gap:6px;margin-left:auto;align-items:center;max-width:100%;overflow:hidden}
.navlinks a{color:var(--muted);font-size:14px;font-weight:500;padding:6px 10px;border-radius:var(--radius-sm);transition:all .2s}
.navlinks a:hover{color:var(--brand);background:var(--brand-light)}

/* ===== BUTTONS ===== */
.btn{display:inline-block;background:linear-gradient(135deg,#0ea5e9,#0284c7);color:#fff;padding:10px 18px;border-radius:var(--radius-sm);font-weight:600;box-shadow:var(--shadow-brand);font-size:15px;white-space:nowrap;text-align:center;box-sizing:border-box;transition:all .25s;border:none;cursor:pointer}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(2,132,199,.25);color:#fff}
.btn.secondary{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;box-shadow:0 8px 24px rgba(245,158,11,.2)}
.btn.secondary:hover{box-shadow:0 12px 28px rgba(245,158,11,.3)}

/* ===== ICON BAR ===== */
.iconbar{display:flex;gap:8px}
.iconbar a{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);padding:7px 12px;border-radius:999px;color:var(--muted);font-size:13px;font-weight:500;transition:all .2s}
.iconbar a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}
.nav-actions{display:none;gap:8px;align-items:center;flex-shrink:0}

/* ===== HERO ===== */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;padding:40px 0 32px}

/* ===== CARDS ===== */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:all .3s}
.card:hover{box-shadow:var(--shadow-md);border-color:var(--line2);transform:translateY(-2px)}
.card .h3 a{color:var(--text);transition:color .2s}
.card .h3 a:hover{color:var(--brand)}

/* ===== GRID ===== */
.grid{display:grid;gap:16px}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}

/* ===== BADGE ===== */
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--brand-light);padding:8px 14px;border:1px solid #bae6fd;border-radius:999px;color:var(--brand);font-size:13px;font-weight:600}

/* ===== KPIs ===== */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-align:center;transition:all .3s}
.kpi:hover{border-color:var(--accent);box-shadow:0 4px 12px rgba(14,165,233,.1)}
.kpi strong{font-size:22px;color:var(--brand);display:block;margin-bottom:2px}
.kpi .muted{font-size:13px}

/* ===== TYPOGRAPHY ===== */
.section{padding:36px 0}
.h1{font-size:36px;line-height:1.15;margin:0 0 12px;font-weight:800;letter-spacing:-.3px;color:var(--text)}
.h2{font-size:26px;margin:0 0 12px;font-weight:700;letter-spacing:-.2px;color:var(--text)}
.h3{font-size:19px;margin:0 0 8px;font-weight:600;color:var(--text)}
.muted{color:var(--muted)}

/* ===== FOOTER ===== */
.footer{border-top:1px solid var(--line);margin-top:40px;background:var(--surface)}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:20px;padding:28px 0}
.footer small{color:var(--muted);font-size:13px}
.footer .container{padding-left:20px;padding-right:20px}
.footer .list{list-style:none;padding:0;margin:0}.footer .list li{margin-bottom:8px}
.footer .list li a{color:var(--muted);transition:color .2s}.footer .list li a:hover{color:var(--brand)}
.footer .contact-item{margin-bottom:14px}
.footer .contact-item strong{color:var(--text);font-size:14px;font-weight:600}
.footer .contact-item a{color:var(--brand)}

/* ===== HERO IMAGE PLACEHOLDER ===== */
.heroimg{aspect-ratio:1.1/1;background:linear-gradient(135deg,#e0f2fe 0%,#bae6fd 40%,#7dd3fc 100%);border:1px solid var(--line);border-radius:var(--radius-lg);position:relative;overflow:hidden}

/* ===== TABLES ===== */
.table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.table th,.table td{padding:12px 14px;border-bottom:1px solid var(--line)}
.table th{background:var(--frost);text-align:left;font-weight:600;color:var(--text);font-size:14px}
.table td{font-size:14px}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:var(--brand-light)}

/* ===== PHONE BLUR ===== */
.phone-blur{font-weight:700;letter-spacing:.3px;color:var(--text)}
.phone-blur .blur{filter:blur(7px);transition:filter .35s ease}
.phone-blur.reveal .blur{filter:blur(0)}

/* ===== CONTENT BLOCKS ===== */
.content-blocks{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0}
.content-block{background:var(--card);border:1px solid var(--line);padding:22px;border-radius:var(--radius);transition:all .3s}
.content-block:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--accent)}
.content-block h3{color:var(--brand);margin:0 0 10px;font-size:17px;font-weight:700}
.content-block p{color:var(--muted);margin:0;font-size:15px;line-height:1.65}

/* ===== HAMBURGER ANIMATED ICON ===== */
.hamburger-box{display:flex;flex-direction:column;justify-content:center;align-items:center;width:22px;height:18px;position:relative}
.hamburger-line{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s cubic-bezier(.4,.01,.165,.99);position:absolute}
.hamburger-line:nth-child(1){top:0}
.hamburger-line:nth-child(2){top:8px}
.hamburger-line:nth-child(3){top:16px}
.nav.menu-open .hamburger-line:nth-child(1){top:8px;transform:rotate(45deg)}
.nav.menu-open .hamburger-line:nth-child(2){opacity:0;transform:scaleX(0)}
.nav.menu-open .hamburger-line:nth-child(3){top:8px;transform:rotate(-45deg)}

/* ===== MENU OVERLAY ===== */
.menu-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,23,42,.4);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:999;opacity:0;pointer-events:none;transition:opacity .3s ease}
.menu-open-body .menu-overlay{opacity:1;pointer-events:auto}
.menu-open-body{overflow:hidden}

/* ===== MOBILE MENU CONTACT BUTTONS ===== */
.mobile-menu-contacts{display:none;gap:10px;padding:8px 0 4px;width:100%}
.mobile-contact-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:all .2s;flex:1;text-align:center}
.mobile-contact-btn.whatsapp{background:#dcfce7;color:#16a34a;border:1px solid #bbf7d0}
.mobile-contact-btn.whatsapp:hover{background:#bbf7d0;color:#15803d}
.mobile-contact-btn.telegram{background:#e0f2fe;color:#0284c7;border:1px solid #bae6fd}
.mobile-contact-btn.telegram:hover{background:#bae6fd;color:#0369a1}
.mobile-contact-btn svg{flex-shrink:0}

/* ===== DESKTOP ===== */
@media(min-width:1025px){
  .hide-desktop{display:none!important}
  .show-desktop{display:inline-flex}
  .menu-toggle{display:none!important}
  .nav-actions{display:none!important}
  .mobile-menu-contacts{display:none!important}
  .navlinks a svg{display:none}
}

/* ===== TABLET ===== */
@media(max-width:1024px){
  .show-desktop{display:none!important}
  .hide-desktop{display:inline-flex}
  .menu-toggle{display:flex!important;align-items:center;justify-content:center;background:none;border:1px solid var(--line);color:var(--text);cursor:pointer;padding:0;margin-left:auto;flex-shrink:0;min-width:42px;width:42px;height:42px;border-radius:var(--radius-sm);transition:all .2s}
  .menu-toggle:hover{background:var(--brand-light)}
  .nav.menu-open .menu-toggle{background:var(--brand-light);border-color:var(--brand)}
  .nav-actions{display:flex}
  .nav .inner{flex-wrap:wrap;align-items:center;width:100%;max-width:100%;overflow:hidden;gap:8px;padding:10px 14px;box-sizing:border-box}
  .nav .inner > .logo{order:1;flex:1 1 auto;min-width:0;max-width:calc(100% - 60px);font-size:18px!important}
  .nav .inner > .menu-toggle{order:2;flex-shrink:0;margin-left:auto}
  .nav .inner > .nav-actions{order:3;width:100%;margin-top:0;display:flex;justify-content:space-between;gap:8px;flex-basis:100%}

  /* Slide-down menu panel */
  .navlinks{display:none;flex-direction:column;width:100%;order:4;margin-left:0;margin-top:0;padding:8px 0 4px;border-top:1px solid var(--line);gap:0;max-width:100%;overflow-x:hidden;box-sizing:border-box;flex-basis:100%;opacity:0;transform:translateY(-8px)}
  .nav.menu-open .navlinks{display:flex;animation:menuSlideIn .3s cubic-bezier(.4,.01,.165,.99) forwards}
  @keyframes menuSlideIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

  /* Nav link items with icons */
  .navlinks a{color:var(--text);font-size:16px;font-weight:500;padding:14px 12px;width:100%;text-align:left;display:flex;align-items:center;gap:12px;border-radius:var(--radius-sm);transition:all .2s;border-bottom:1px solid var(--line)}
  .navlinks a:last-of-type{border-bottom:none}
  .navlinks a svg{color:var(--brand);flex-shrink:0;opacity:.7;transition:opacity .2s}
  .navlinks a:hover{color:var(--brand);background:var(--brand-light)}
  .navlinks a:hover svg{opacity:1}

  /* Staggered animation for menu items */
  .nav.menu-open .navlinks a{animation:menuItemFade .3s ease forwards;opacity:0}
  .nav.menu-open .navlinks a:nth-child(1){animation-delay:.04s}
  .nav.menu-open .navlinks a:nth-child(2){animation-delay:.08s}
  .nav.menu-open .navlinks a:nth-child(3){animation-delay:.12s}
  .nav.menu-open .navlinks a:nth-child(4){animation-delay:.16s}
  .nav.menu-open .navlinks a:nth-child(5){animation-delay:.2s}
  .nav.menu-open .navlinks a:nth-child(6){animation-delay:.24s}
  @keyframes menuItemFade{from{opacity:0;transform:translateX(-12px)}to{opacity:1;transform:translateX(0)}}

  /* Mobile contact buttons in menu */
  .nav.menu-open .mobile-menu-contacts{display:flex;animation:menuItemFade .3s ease .28s forwards;opacity:0}

  .iconbar{width:100%;justify-content:center;margin:8px 0;flex-wrap:wrap;display:none!important}
  .hero{grid-template-columns:1fr;padding:24px 0}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr}
  .grid.cols-3{grid-template-columns:1fr;gap:16px}
  .container{padding:14px;width:100%;max-width:100%;box-sizing:border-box}
  .section{padding:24px 0}
  body{padding-top:90px!important}
  .h1{font-size:30px;line-height:1.2;word-wrap:break-word}
  .h2{font-size:24px}
  .h3{font-size:19px;line-height:1.3}
  .card{padding:18px;width:100%}
  .card .h3{font-size:19px;line-height:1.3;margin-bottom:10px}
  .card p{font-size:16px;line-height:1.6}
  .badge{font-size:14px;padding:8px 12px}
  .btn{font-size:16px;padding:12px 18px}
  .muted{font-size:16px;line-height:1.6}
  .nav-actions{width:100%;justify-content:space-between;margin-top:0;order:3;flex-wrap:nowrap;gap:8px}
  .nav-actions .btn{flex:1 1 0;min-width:0;max-width:none;padding:11px 8px;font-size:15px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .table{font-size:15px}
  .table th,.table td{padding:11px;font-size:15px}
  .footer .container{padding-left:20px!important;padding-right:20px!important}
  .footer .cols{padding:0!important;gap:24px}
  .footer .h3{font-size:17px;margin-bottom:14px}
  .footer .list li{margin-bottom:10px}
  .footer .list li a{font-size:15px}
  .footer p{font-size:15px;line-height:1.6}
}

/* ===== MOBILE ===== */
@media(max-width:480px){
  .h1{font-size:26px;line-height:1.25}
  .h2{font-size:22px}
  .h3{font-size:18px;line-height:1.4}
  .card{padding:16px}
  .card .h3{font-size:18px}
  .card p{font-size:15px;line-height:1.65}
  .badge{font-size:13px;padding:7px 10px}
  .btn{font-size:15px;padding:11px 14px;width:100%;max-width:100%}
  .navlinks a{font-size:15px;padding:13px 10px;gap:10px}
  .navlinks a svg{width:16px;height:16px}
  .container{padding:10px;width:100%;max-width:100%}
  .section{padding:20px 0}
  body{padding-top:90px!important}
  .nav-actions{flex-direction:row;gap:8px;flex-wrap:nowrap;width:100%}
  .nav-actions .btn{flex:1 1 0;min-width:0;padding:10px 6px;font-size:14px}
  .logo{font-size:17px;max-width:calc(100% - 50px)}
  .menu-toggle{min-width:38px!important;width:38px!important;height:38px!important}
  .nav .inner{padding:10px}
  .table{font-size:14px}
  .table th,.table td{padding:10px 8px;font-size:14px}
  .muted{font-size:15px}
  .cta{max-width:100%!important;overflow:hidden!important;flex-wrap:wrap!important}
  .cta .btn{max-width:calc(50% - 6px)!important;flex:1 1 calc(50% - 6px)!important;min-width:0!important}
  .content-blocks{grid-template-columns:1fr;gap:12px}
  .content-block{padding:16px}
  .content-block h3{font-size:16px}
  .content-block p{font-size:14px}
  .footer{padding:20px 0!important}
  .footer .container{padding-left:16px!important;padding-right:16px!important}
  .footer .cols{gap:18px}
  .footer small{font-size:12px;text-align:center;display:block;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
  .mobile-contact-btn{padding:10px 12px;font-size:13px}
}

@media(max-width:768px){
  .content-blocks{grid-template-columns:1fr;gap:12px}
}

/* ===== GEO BANNER ===== */
.geo-banner{position:fixed;bottom:0;left:0;right:0;background:linear-gradient(135deg,#0284c7,#0369a1);color:#fff;z-index:10000;box-shadow:0 -4px 20px rgba(2,132,199,.25);transform:translateY(100%);transition:transform .3s ease-out}
.geo-banner.show{transform:translateY(0)}
.geo-banner-content{max-width:1200px;margin:0 auto;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative}
.geo-banner-header h3{margin:0 0 4px;font-size:18px;font-weight:600;color:#fff}
.geo-banner-header p{margin:0;font-size:14px;opacity:.9;color:#fff}
.geo-banner-actions{display:flex;gap:12px;align-items:center;flex-shrink:0}
.geo-banner .btn{padding:10px 16px;border-radius:8px;font-size:14px;font-weight:500;border:none;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px;white-space:nowrap}
.geo-banner .btn-primary{background:#fff;color:var(--brand)}
.geo-banner .btn-primary:hover{background:#f0f9ff;transform:translateY(-1px)}
.geo-banner .btn-secondary{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.3)}
.geo-banner .btn-secondary:hover{background:rgba(255,255,255,.3)}
.geo-banner .btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.geo-banner .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff}
.geo-banner-close{position:absolute;top:15px;right:15px;background:none;border:none;color:#fff;font-size:24px;font-weight:300;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s;opacity:.7}
.geo-banner-close:hover{background:rgba(255,255,255,.2);opacity:1;transform:scale(1.1)}
.geo-banner-loading{background:linear-gradient(135deg,#6366f1,#4f46e5)}
.geo-banner-loading .geo-banner-content{justify-content:center;padding:24px}
.geo-loading-spinner{width:24px;height:24px;border:3px solid rgba(255,255,255,.3);border-top:3px solid #fff;border-radius:50%;animation:spin 1s linear infinite;margin-right:12px}
.geo-loading-text{font-size:16px;font-weight:500}
@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
.geo-banner-large{background:var(--surface);color:var(--text);border-top:1px solid var(--line);max-height:60vh;overflow-y:auto}
.geo-banner-large .geo-banner-content{flex-direction:column;align-items:stretch;padding:24px}
.geo-banner-large .geo-banner-header{text-align:center;margin-bottom:20px}
.geo-banner-large .geo-banner-header h3{color:var(--text);font-size:20px;margin-bottom:8px}
.geo-banner-large .geo-banner-header p{color:var(--muted);font-size:16px}
.geo-cities-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.geo-city-option{display:flex;align-items:center;justify-content:space-between;padding:16px;background:var(--frost);border:1px solid var(--line);border-radius:var(--radius);transition:all .2s}
.geo-city-option:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.geo-city-info{flex:1}
.geo-city-name{font-size:16px;font-weight:600;color:var(--text);margin-bottom:4px}
.geo-city-details{font-size:14px;color:var(--muted);margin-bottom:2px}
.geo-city-distance{font-size:12px;color:var(--brand);font-weight:500}
.geo-banner-large .geo-banner-close{color:var(--muted);top:20px;right:20px}
body.geo-banner-shown{padding-bottom:120px}

@media(max-width:768px){
  .geo-banner-content{flex-direction:column;gap:16px;padding:16px;text-align:center}
  .geo-banner-actions{width:100%;justify-content:center;flex-wrap:wrap}
  .geo-banner .btn{flex:1;min-width:120px;justify-content:center}
  .geo-banner-close{top:10px;right:10px}
  .geo-city-option{flex-direction:column;align-items:stretch;gap:12px;text-align:center}
  body.geo-banner-shown{padding-bottom:140px}
}
@media(max-width:480px){
  .geo-banner-actions{flex-direction:column;width:100%}
  .geo-banner .btn{width:100%;justify-content:center}
  .geo-banner-header h3{font-size:16px}
  .geo-banner-header p{font-size:13px}
}