@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=Space+Mono:wght@400;700&display=swap');

:root {
  --c-bg:        #f4f3ef;
  --c-surface:   #ffffff;
  --c-border:    #e2e1dc;
  --c-text:      #1a1a1a;
  --c-muted:     #6b6b6b;
  --c-accent:    #e8650a;
  --c-accent-h:  #c85508;
  --c-navy:      #1e2b3c;
  --c-navy-l:    #263548;
  --c-green:     #22a06b;
  --c-red:       #d93025;
  --font-main:   'DM Sans', sans-serif;
  --font-mono:   'Space Mono', monospace;
  --radius:      10px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.10);
  --transition:  .18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--c-bg); color: var(--c-text); line-height: 1.5; min-height: 100vh; display: flex; flex-direction: column; }
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* NAV */
.nav { background: var(--c-navy); border-bottom: 3px solid var(--c-accent); position: sticky; top: 0; z-index: 100; }
.nav__inner { max-width: 1280px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; height: 58px; }
.nav__brand { display: flex; align-items: center; gap: 10px; }
.nav__logo { width: 32px; height: 32px; background: var(--c-accent); border-radius: 7px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.nav__logo svg { color: #fff; }
.nav__title { font-family: var(--font-mono); font-size: 18px; font-weight: 700; color: #fff; letter-spacing: -0.5px; }
.nav__title span { color: var(--c-accent); }
.nav__links { display: flex; gap: 4px; list-style: none; align-items: center; }
.nav__links a { color: rgba(255,255,255,.75); font-size: 13px; font-weight: 500; padding: 6px 12px; border-radius: 6px; transition: var(--transition); }
.nav__links a:hover, .nav__links a.active { color: #fff; background: rgba(255,255,255,.08); }
.nav__links a.active { color: var(--c-accent); }
.nav__burger { display: none; background: none; border: none; padding: 6px; flex-direction: column; gap: 5px; }
.nav__burger span { display: block; width: 22px; height: 2px; background: rgba(255,255,255,.8); border-radius: 2px; transition: var(--transition); }
.nav__mobile { display: none; flex-direction: column; background: var(--c-navy-l); padding: 8px 16px 12px; }
.nav__mobile a { color: rgba(255,255,255,.8); font-size: 14px; font-weight: 500; padding: 10px 8px; border-bottom: 1px solid rgba(255,255,255,.06); display: block; transition: var(--transition); }
.nav__mobile a:last-child { border: none; }
.nav__mobile a:hover { color: var(--c-accent); }
.nav__mobile.open { display: flex; }

/* HERO */
.page-hero { background: linear-gradient(135deg, var(--c-navy) 0%, #2a3f58 100%); padding: 36px 20px 32px; text-align: center; }
.page-hero h1 { font-size: clamp(22px, 4vw, 32px); font-weight: 600; color: #fff; letter-spacing: -0.5px; }
.page-hero p { color: rgba(255,255,255,.6); font-size: 14px; margin-top: 6px; max-width: 620px; margin-left: auto; margin-right: auto; }

/* MAIN */
.main-content { flex: 1; }
.app-wrap { max-width: 1280px; margin: 0 auto; padding: 20px 16px 40px; display: flex; flex-direction: column; gap: 18px; }

/* PANELS */
.panel { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); }
.panel__title { font-size: 11px; font-weight: 600; color: var(--c-muted); letter-spacing: .8px; text-transform: uppercase; display: flex; align-items: center; gap: 7px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--c-border); }
.panel__title svg { flex-shrink: 0; }

/* CALC GRID */
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* FORM */
.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-size: 11px; font-weight: 600; color: var(--c-muted); letter-spacing: .6px; text-transform: uppercase; margin-bottom: 5px; }
.inp { padding: 10px 38px 10px 12px; border: 1.5px solid var(--c-border); border-radius: 7px; font-size: 14px; color: var(--c-text); background: var(--c-bg); transition: border-color var(--transition), box-shadow var(--transition); -webkit-appearance: none; width: 100%; }
.inp:focus { border-color: var(--c-accent); outline: none; box-shadow: 0 0 0 3px rgba(232,101,10,.12); background: #fff; }
.inp--full { width: 100%; }
select.inp { padding-right: 32px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b6b6b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; cursor: pointer; }
.inp-wrap { position: relative; }
.inp-euro { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: 13px; color: var(--c-muted); pointer-events: none; font-weight: 600; }
.field-hint { font-size: 11px; color: var(--c-muted); margin-top: 4px; line-height: 1.4; }
.field-error { font-size: 11px; color: var(--c-red); margin-top: 4px; line-height: 1.4; min-height: 16px; }
.inp.inp--error { border-color: var(--c-red); }

/* INFO SECTIONS */
.info-section { max-width: 1280px; margin: 0 auto; padding: 40px 16px; width: 100%; }
.info-section h2 { font-size: clamp(18px, 3vw, 24px); font-weight: 600; color: var(--c-navy); margin-bottom: 8px; }
.sub { font-size: 13px; color: var(--c-muted); margin-bottom: 28px; }

/* Grain info (dark) */
.grain-info { background: linear-gradient(135deg, var(--c-navy) 0%, #1a3050 100%); border-radius: var(--radius); padding: 24px; }
.grain-info h3 { font-size: 16px; font-weight: 600; color: var(--c-accent); margin-bottom: 6px; }
.grain-info > p { font-size: 13px; color: rgba(255,255,255,.7); line-height: 1.7; }
.grain-visual { margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grain-box { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 8px; padding: 14px; }
.grain-box h4 { font-size: 12px; font-weight: 600; color: rgba(255,255,255,.5); letter-spacing: .5px; margin-bottom: 8px; text-transform: uppercase; }
.grain-box p { font-size: 13px; color: rgba(255,255,255,.8); line-height: 1.6; }
.grain-box svg { margin-bottom: 8px; color: var(--c-accent); }

/* FAQ */
.faq-section { width: 100%; }
.faq { display: flex; flex-direction: column; gap: 10px; margin: 0 0 40px; width: 100%; }
.faq-item { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; width: 100%; }
.faq-q { width: 100%; text-align: left; padding: 16px 18px; background: none; border: none; font-size: 14px; font-weight: 600; color: var(--c-text); display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; transition: background var(--transition); }
.faq-q:hover { background: #fafaf8; }
.faq-a { display: none; padding: 16px 18px; font-size: 13px; color: var(--c-muted); line-height: 1.7; border-top: 1px solid var(--c-border); }
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-q svg { transform: rotate(45deg); }
.faq-q svg { transition: transform var(--transition); flex-shrink: 0; }

/* SEO text */
.seo-block { padding-top: 0; }
.seo-content { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 32px; }
.seo-content p { font-size: 13px; color: var(--c-muted); line-height: 1.75; }

/* Summary / shared table styles */
.pvm-table { width: 100%; border-collapse: collapse; font-size: 13px; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; }
.pvm-table thead th { background: var(--c-bg); padding: 10px 14px; text-align: left; font-size: 10px; font-weight: 600; color: var(--c-muted); letter-spacing: 0.7px; text-transform: uppercase; border-bottom: 1px solid var(--c-border); }
.pvm-table tbody tr { border-bottom: 1px solid var(--c-border); transition: background var(--transition); }
.pvm-table tbody tr:last-child { border-bottom: none; }
.pvm-table tbody tr:hover { background: rgba(232,101,10,.03); }
.pvm-table tbody td { padding: 10px 14px; color: var(--c-muted); line-height: 1.5; vertical-align: middle; }
.pvm-table__row--active { background: rgba(232,101,10,.05) !important; }
.pvm-table__row--active td { color: var(--c-text) !important; }

/* FOOTER */
.footer { background: var(--c-navy); border-top: 3px solid var(--c-accent); color: rgba(255,255,255,.65); padding: 40px 20px 24px; }
.footer__inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
.footer__brand .nav__logo { width: 36px; height: 36px; margin-bottom: 10px; }
.footer__brand h3 { font-family: var(--font-mono); font-size: 16px; color: #fff; font-weight: 700; }
.footer__brand p { font-size: 13px; line-height: 1.7; margin-top: 6px; max-width: 280px; }
.footer__col h4 { font-size: 11px; font-weight: 600; color: #fff; letter-spacing: .8px; text-transform: uppercase; margin-bottom: 12px; }
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.footer__col a { font-size: 13px; color: rgba(255,255,255,.55); transition: color var(--transition); }
.footer__col a:hover { color: var(--c-accent); }
.footer__bottom { max-width: 1280px; margin: 28px auto 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 12px; color: rgba(255,255,255,.35); }

/* UTILITY */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hidden { display: none !important; }

/* RESPONSIVE – base */
@media (max-width: 960px) {
  .calc-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .grain-visual { grid-template-columns: 1fr 1fr; }
  .seo-content { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .footer__inner { grid-template-columns: 1fr; gap: 24px; }
  .grain-visual { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .app-wrap { padding: 12px 10px 30px; }
  .panel { padding: 14px; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   KMI SKAIČIUOKLĖS STILIAI
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── CALC GRID ──────────────────────────────────────────────────────────── */
.kmi-calc-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 18px;
  align-items: start;
}

.kmi-input-panel {
  position: sticky;
  top: 76px;
}

/* ─── GENDER SELECTOR ────────────────────────────────────────────────────── */
.kmi-gender-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.gender-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  background: var(--c-bg);
  color: var(--c-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.gender-btn:hover { border-color: var(--c-accent); color: var(--c-text); }
.gender-btn.active { border-color: var(--c-accent); background: rgba(232,101,10,.08); color: var(--c-accent); font-weight: 600; }

/* ─── UNIT FIELD ─────────────────────────────────────────────────────────── */
.kmi-unit-field { display: flex; gap: 8px; align-items: center; }
.kmi-unit-field .inp { padding-right: 48px; }

.field-optional { font-weight: 400; font-size: 10px; color: var(--c-muted); text-transform: none; letter-spacing: 0; }

/* ─── CALC BUTTON (hidden – auto-calc now) ───────────────────────────────── */
.kmi-calc-btn { display: none; }

/* ─── SLIDER FIELD ───────────────────────────────────────────────────────── */
.kmi-slider-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kmi-slider-input-wrap {
  position: relative;
  width: 100%;
}

.kmi-slider-inp {
  width: 100%;
  padding-right: 48px;
}

.kmi-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, var(--c-accent) 0%, var(--c-accent) 50%, var(--c-border) 50%, var(--c-border) 100%);
  outline: none;
  cursor: pointer;
  transition: background var(--transition);
}

.kmi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--c-accent);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
  transition: transform var(--transition), box-shadow var(--transition);
}

.kmi-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(232,101,10,.35);
}

.kmi-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--c-accent);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}

.kmi-slider:focus {
  outline: none;
}
.kmi-slider:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(232,101,10,.2);
}



/* ─── RESULT BOX ─────────────────────────────────────────────────────────── */
.kmi-result-box {
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 14px;
  padding: 18px 20px;
  margin-top: 14px;
  border: 2px solid currentColor;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.kmi-result-box__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.kmi-result-box__label { font-size: 10px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 2px; }
.kmi-result-box__val { font-family: var(--font-mono); font-size: 38px; font-weight: 700; line-height: 1; }
.kmi-result-box__cat { display: inline-flex; align-items: center; padding: 5px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; border: 1.5px solid; white-space: nowrap; text-align: center; backdrop-filter: blur(6px); }
.kmi-ideal-range { display: flex; align-items: center; gap: 6px; font-size: 12px; line-height: 1.4; }
.kmi-ideal-range strong { color: rgba(255,255,255,.85); }

/* ─── RIGHT PANEL ────────────────────────────────────────────────────────── */
.kmi-right-panel { display: flex; flex-direction: column; gap: 20px; }

/* ─── ŽMOGELIUKAS ────────────────────────────────────────────────────────── */
.kmi-figure-wrap { display: flex; flex-direction: column; align-items: center; min-height: 220px; }
.kmi-figure-placeholder { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 20px; color: var(--c-muted); font-size: 13px; text-align: center; }
.kmi-figure-result { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.kmi-figure-svg { width: 110px; height: 211px; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15)); transition: all 0.3s ease; }
.kmi-figure-label { font-size: 13px; font-weight: 600; letter-spacing: 0.2px; }

/* ─── KMI SKALĖ ──────────────────────────────────────────────────────────── */
.kmi-scale-wrap { border: 1px solid var(--c-border); border-radius: 8px; padding: 14px 16px; }
.kmi-scale-title { font-size: 10px; font-weight: 600; color: var(--c-muted); letter-spacing: 0.7px; text-transform: uppercase; margin-bottom: 10px; }
.kmi-scale-bar { position: relative; display: flex; height: 12px; border-radius: 6px; overflow: visible; gap: 1px; }
.kmi-scale-segment { height: 100%; }
.kmi-scale-segment:first-child { border-radius: 6px 0 0 6px; }
.kmi-scale-segment:last-child  { border-radius: 0 6px 6px 0; }
.kmi-scale-needle { position: absolute; top: -5px; width: 3px; height: 22px; background: var(--c-navy); border-radius: 2px; transform: translateX(-50%); transition: left 0.4s cubic-bezier(.34,1.56,.64,1); box-shadow: 0 2px 6px rgba(0,0,0,0.3); }
.kmi-scale-needle::after { content: ''; position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%); width: 8px; height: 8px; background: var(--c-navy); border-radius: 50%; }
.kmi-scale-labels { display: flex; justify-content: space-between; margin-top: 6px; font-size: 10px; color: var(--c-muted); font-family: var(--font-mono); }

/* ─── REKOMENDACIJOS ─────────────────────────────────────────────────────── */
.kmi-recs { border: 1px solid var(--c-border); border-radius: 8px; overflow: hidden; }
.kmi-recs__title { font-size: 10px; font-weight: 600; color: var(--c-muted); letter-spacing: 0.7px; text-transform: uppercase; padding: 10px 14px; background: var(--c-bg); border-bottom: 1px solid var(--c-border); }
.kmi-recs__list { padding: 12px 14px; display: flex; flex-direction: column; gap: 9px; }
.kmi-rec-item { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--c-text); line-height: 1.5; }
.kmi-rec-item svg { flex-shrink: 0; margin-top: 2px; color: var(--c-green); }

/* ─── TABLE ──────────────────────────────────────────────────────────────── */
.kmi-table-wrap { border-top: 1px solid var(--c-border); padding-top: 18px; }
.kmi-table-title { font-size: 15px; font-weight: 600; margin-bottom: 12px; }

/* ─── KMI BADGES ─────────────────────────────────────────────────────────── */
.kmi-badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 20px; font-family: var(--font-mono); font-size: 11px; font-weight: 700; white-space: nowrap; border: 1px solid; }
.kmi-badge--blue   { background: rgba(41,182,246,.12);  color: #0288d1; border-color: rgba(41,182,246,.3);  }
.kmi-badge--lblue  { background: rgba(79,195,247,.12);  color: #0277bd; border-color: rgba(79,195,247,.3);  }
.kmi-badge--green  { background: rgba(102,187,106,.12); color: #388e3c; border-color: rgba(102,187,106,.3); }
.kmi-badge--orange { background: rgba(255,167,38,.12);  color: #e65100; border-color: rgba(255,167,38,.3);  }
.kmi-badge--red    { background: rgba(239,83,80,.12);   color: #c62828; border-color: rgba(239,83,80,.3);   }
.kmi-badge--dred   { background: rgba(198,40,40,.12);   color: #8b0000; border-color: rgba(198,40,40,.3);   }

/* ─── RESPONSIVE – KMI ───────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .kmi-calc-grid { grid-template-columns: 320px 1fr; }
}
@media (max-width: 900px) {
  .kmi-calc-grid { grid-template-columns: 1fr; }
  .kmi-input-panel { position: static; }
  .kmi-figure-wrap { flex-direction: row; justify-content: center; gap: 24px; flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .kmi-figure-svg { width: 83px; height: 159px; }
  .kmi-result-box__val { font-size: 28px; }
}