/* EKOSYS — styles for the calculator page. Shared styles: css/site.css */

:root {
  --red: #E5232A; --red-dark: #C01B21;
  --grey: #706F6F; --ink: #1A1A1A; --ink2: #222222; --ink3: #2E2E2E;
  --snow: #FFFFFF; --border: rgba(255,255,255,0.07);
}
body { font-family: 'Open Sans', sans-serif; line-height: 1.7; background: var(--ink); color: #fff; overflow-x: hidden; }
h1,h2,h3,h4 { font-family: 'Montserrat', sans-serif; line-height: 1.15; letter-spacing: -0.022em; }
.nav-link::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 1.5px; background: var(--red); transition: width 0.25s; }
.nav-link:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; border-radius: 2px; }
.menu-toggle:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 4px; }
.mobile-link.active { color:#fff; border-left:3px solid var(--red); padding-left:17px; background:rgba(229,35,42,0.06); }
/* Full nav does not fit below 1280px (long Czech labels) — use the mobile menu */
.nav-link { white-space: nowrap; }
@media (max-width: 1279px) { #nav .hide-sm { display:none !important; } .menu-toggle { display:flex; } .mobile-menu { display:flex; } }
/* ── Language toggle CZ / EN ── */
.lang-seg { position: relative; display: inline-grid; grid-template-columns: 1fr 1fr; background: rgba(255,255,255,0.07); border-radius: 999px; padding: 3px; }
.lang-seg::before { content: ''; position: absolute; top: 3px; bottom: 3px; left: 3px; width: calc(50% - 3px); background: var(--red); border-radius: 999px; transition: transform 0.28s cubic-bezier(0.3,1.3,0.5,1); }
.lang-seg[data-active="en"]::before { transform: translateX(100%); }
.lang-seg a { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; gap: 6px; padding: 5px 11px; border-radius: 999px; font-family: 'Montserrat',sans-serif; font-size: 11.5px; font-weight: 700; letter-spacing: 0.06em; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; }
.lang-seg a:hover, .lang-seg a.is-current { color: #fff; }
.lang-seg a:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.lang-flag { width: 16px; height: 16px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(255,255,255,0.18); flex-shrink: 0; }
.lang-seg.wide { display: grid; width: 100%; }
.lang-seg.wide a { padding: 9px 12px; font-size: 12.5px; letter-spacing: 0.02em; }
.mobile-lang { padding: 14px 20px; border-bottom: 1px solid rgba(255,255,255,0.05); }
@media (prefers-reduced-motion: reduce) { .lang-seg::before { transition: none; } }
.nav-link.active { color: #fff; }
.nav-link.active::after { width: 100%; }

/* Buttons */
.btn-red { display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; background: var(--red); color: #fff; text-decoration: none; font-family: 'Montserrat',sans-serif; font-weight: 700; font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; padding: 12px 24px; border-radius: 3px; border: none; box-shadow: 0 4px 16px rgba(229,35,42,0.28); transition: background 0.2s, transform 0.2s; }
.btn-red:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn-red:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* Label */
.label { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-family: 'Montserrat',sans-serif; font-weight: 700; font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.9); }
.label::before { content: ''; display: block; width: 20px; height: 2px; background: var(--red); flex-shrink: 0; }

/* Page header */
.page-header { padding-top: 88px; background: var(--ink); position: relative; overflow: hidden; border-bottom: 1px solid rgba(229,35,42,0.18); }
.breadcrumb { font-family: 'Montserrat',sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 0.06em; color: rgba(255,255,255,0.50); margin-bottom: 14px; display: flex; align-items: center; gap: 6px; }
.breadcrumb a { color: rgba(255,255,255,0.50); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--red); }

/* Calculator card */
.calc-card { background: var(--ink2); border: 1px solid var(--border); border-radius: 12px; padding: 32px; transition: border-color 0.25s, box-shadow 0.25s; }
.calc-card:hover { border-color: rgba(229,35,42,0.18); box-shadow: 0 20px 48px rgba(0,0,0,0.30); }
.calc-icon { width: 46px; height: 46px; background: rgba(229,35,42,0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.calc-head { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
.calc-title { font-size: 19px; font-weight: 800; color: #fff; letter-spacing: -0.01em; margin-bottom: 4px; }
.calc-sub { font-size: 12.5px; color: rgba(255,255,255,0.45); }

/* Form elements */
.f-label { font-family: 'Montserrat', sans-serif; font-size: 10.5px; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: rgba(255,255,255,0.55); display: block; margin-bottom: 6px; }
.f-input {
  width: 100%; background: #2b2b2b; border: 1px solid rgba(255,255,255,0.09); color: #fff;
  font-family: 'Open Sans', sans-serif; font-size: 14px; padding: 12px 14px; border-radius: 5px; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s; appearance: auto;
}
.f-input::placeholder { color: rgba(255,255,255,0.25); }
.f-input:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(229,35,42,0.12); }
.f-input:focus-visible { outline: none; }

/* Segmented toggle */
.seg { display: inline-flex; background: #2b2b2b; border: 1px solid rgba(255,255,255,0.09); border-radius: 6px; padding: 3px; gap: 2px; }
.seg button { font-family: 'Montserrat',sans-serif; font-size: 11.5px; font-weight: 700; letter-spacing: 0.04em; color: rgba(255,255,255,0.55); background: transparent; border: none; padding: 8px 16px; border-radius: 4px; cursor: pointer; transition: background 0.2s, color 0.2s; }
.seg button.active { background: var(--red); color: #fff; }
.seg button:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* Results */
.result-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 10px; margin-top: 22px; }
.result-item { background: #1c1c1c; border: 1px solid rgba(255,255,255,0.06); border-radius: 7px; padding: 12px 14px; }
.result-label { font-family: 'Montserrat',sans-serif; font-size: 10px; font-weight: 600; letter-spacing: 0.04em; color: rgba(255,255,255,0.45); margin-bottom: 5px; }
.result-value { font-family: 'Montserrat',sans-serif; font-size: 16px; font-weight: 700; color: #fff; }
.result-value span { color: var(--red); font-size: 12px; font-weight: 600; margin-left: 3px; }
.result-item.lg { grid-column: span 2; }
.result-item.lg .result-value { font-size: 20px; }

.calc-note { font-size: 12px; line-height: 1.65; color: rgba(255,255,255,0.40); margin-top: 18px; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 14px; }
.flink:hover { color: var(--red); }
.flink:focus-visible { outline: 1px dashed var(--red); outline-offset: 3px; border-radius: 2px; }

@media (max-width: 767px) { .hide-sm { display: none !important; } .result-item.lg { grid-column: span 1; } }