/* Началната страница */

/* ---------- героят: стъклени нишки в смолата на цял екран, заглавието долу вляво върху кадъра ---------- */
.geroi {
  position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden; background: #1c1f21; color: #fff;
  --b-boya: var(--hartiya); --b-tekst: var(--mastilo); --b-boya-h: #BC5216; --b-tekst-h: #fff;
}
.geroi-media, .geroi-media picture, .geroi-media img, .geroi-video { position: absolute; inset: 0; width: 100%; height: 100%; }
.geroi-media img, .geroi-video { object-fit: cover; object-position: 50% 45%; }
.geroi-video { opacity: 0; transition: opacity 1s ease; }
.geroi-video.tece { opacity: 1; }
/* воалът: тъмно долу вляво под текста, малко отгоре под главата; горе вдясно кадърът остава чист */
.geroi-media::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(14, 16, 18, .82) 0%, rgba(14, 16, 18, .5) 30%, rgba(14, 16, 18, 0) 62%),
    linear-gradient(to right, rgba(14, 16, 18, .5) 0%, rgba(14, 16, 18, .18) 38%, rgba(14, 16, 18, 0) 62%),
    linear-gradient(to bottom, rgba(14, 16, 18, .45) 0%, rgba(14, 16, 18, 0) 20%);
}
.geroi-tekst { position: absolute; left: 0; right: 0; bottom: clamp(40px, 9vh, 104px); }
.geroi-tekst .h-str { color: #fff; font-size: clamp(50px, min(7.8vw, 13vh), 136px); max-width: 10ch; }
/* българският: 11ch, за да не се къса „стъклопласт“ и с по-широк шрифт до зареждането (1.11.2026); редовете са същите */
html[lang="bg"] .geroi-tekst .h-str { max-width: 11ch; }
.geroi-tekst .izr { color: rgba(255, 255, 255, .9); max-width: 34ch; margin-top: clamp(18px, 2.4vh, 28px); font-size: clamp(18px, 1.5vw, 22px); }
.geroi-deistviya { display: flex; align-items: center; gap: 12px 14px; flex-wrap: wrap; margin-top: clamp(24px, 3.6vh, 40px); }
@media (prefers-reduced-motion: no-preference) {
  .geroi-tekst > * { animation: geroi-tekst .9s cubic-bezier(.2,.7,.2,1) both; }
  .geroi-tekst > :nth-child(2) { animation-delay: .1s; }
  .geroi-tekst > :nth-child(3) { animation-delay: .2s; }
  @keyframes geroi-tekst { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
}
@media (max-aspect-ratio: 4/5) {
  .geroi-media::after {
    background:
      linear-gradient(to top, rgba(14, 16, 18, .86) 0%, rgba(14, 16, 18, .55) 38%, rgba(14, 16, 18, 0) 66%),
      linear-gradient(to bottom, rgba(14, 16, 18, .5) 0%, rgba(14, 16, 18, 0) 18%);
  }
}
@media (max-width: 700px) {
  .geroi-tekst .h-str { font-size: clamp(42px, 12.4vw, 60px); }
  .geroi-tekst .izr { font-size: 17px; }
}

/* главата над видеото: бяла, докато човек не превърти (после става хартиена, както навсякъде) */
.nachalo .glava:not(.skrol) .meniu a, .nachalo .glava:not(.skrol) .ezik { color: rgba(255, 255, 255, .92); }
.nachalo .glava:not(.skrol) .meniu a:hover, .nachalo .glava:not(.skrol) .ezik:hover { color: #fff; }
.nachalo .glava:not(.skrol) .ezik:hover { background: rgba(255, 255, 255, .12); }
.nachalo .glava:not(.skrol) .glava-tel { color: #fff; border-color: rgba(255, 255, 255, .72); }
.nachalo .glava:not(.skrol) .glava-tel:hover { background: #fff; color: var(--mastilo); }
.nachalo .glava:not(.skrol) .burger span { background: #fff; }

/* ---------- как се навива: 3D навиване, водено от превъртането ---------- */
.proces { position: relative; height: 430vh; --p: 0; }   /* 5 етапа (1.11.2026): 330vh превъртане */
.proces-lepilo { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; background: #E9E6DF; }
.proces-plakat, .proces-platno { position: absolute; inset: 0; width: 100%; height: 100%; }
.proces-plakat img { width: 100%; height: 100%; object-fit: cover; }
.proces-platno { opacity: 0; transition: opacity .7s ease; }
.proces-platno.gotovo { opacity: 1; }
.proces-tekst {
  position: absolute; left: 0; right: 0; top: calc(var(--glava-v) + clamp(20px, 5vh, 60px));
  opacity: calc(1 - clamp(0, (var(--p) - 0.0218) * 19.25, 1));
  transform: translateY(calc(var(--p) * -302px));
  pointer-events: none;
}
.proces-tekst .izr { max-width: 44ch; margin-top: 18px; color: var(--mastilo); }
.proces-fazi {
  position: absolute; left: var(--pole); bottom: clamp(24px, 5vh, 48px);
  display: grid; gap: 6px; font-size: 15px;
  opacity: clamp(0, (var(--p) - 0.0291) * 27.5, 1);
  background: rgba(239, 237, 231, .9); padding: 14px 18px; border-radius: 14px;
}
.proces-fazi li { display: flex; gap: 14px; align-items: baseline; color: var(--mastilo-2); transition: color .4s, opacity .4s; opacity: .55; }
.proces-fazi li span { font-size: 12px; }
.proces[data-faza="1"] .proces-fazi [data-f="1"], .proces[data-faza="2"] .proces-fazi [data-f="2"],
.proces[data-faza="3"] .proces-fazi [data-f="3"], .proces[data-faza="4"] .proces-fazi [data-f="4"],
.proces[data-faza="5"] .proces-fazi [data-f="5"] { color: var(--mastilo); opacity: 1; }
.proces[data-faza="1"] .proces-fazi [data-f="1"] span, .proces[data-faza="2"] .proces-fazi [data-f="2"] span,
.proces[data-faza="3"] .proces-fazi [data-f="3"] span, .proces[data-faza="4"] .proces-fazi [data-f="4"] span,
.proces[data-faza="5"] .proces-fazi [data-f="5"] span { color: var(--oranzh-tekst); }
.proces-plast {
  position: absolute; right: var(--pole); bottom: clamp(24px, 5vh, 48px);
  font-size: 13px; letter-spacing: .06em; color: var(--mastilo-2);
  opacity: 0; transition: opacity .4s;
  background: rgba(239, 237, 231, .9); padding: 8px 14px; border-radius: 12px;
}
.proces-plast b { font-weight: 500; font-size: clamp(28px, 3vw, 40px); color: var(--mastilo); letter-spacing: 0; margin: 0 4px; }
.proces[data-faza="1"] .proces-plast { opacity: clamp(0, (var(--p) - 0.0582) * 34.4, 1); }   /* след като заглавието си е отишло */
.proces-skrol {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--mastilo-3);
  opacity: calc(1 - clamp(0, var(--p) * 55, 1));
  display: grid; justify-items: center; gap: 10px;
}
.proces-skrol::after { content: ''; width: 1px; height: 34px; background: linear-gradient(var(--mastilo-3), transparent); }
.proces.bez-3d { height: auto; }
.proces.bez-3d .proces-lepilo { position: relative; height: 100svh; min-height: 560px; }
.proces.bez-3d .proces-fazi { opacity: 1; }
.proces.bez-3d .proces-fazi li { opacity: 1; color: var(--mastilo); }
.proces.bez-3d .proces-plast, .proces.bez-3d .proces-skrol { display: none; }
@media (max-width: 700px) {
  .proces { height: 375vh; }
  .proces-fazi { font-size: 14px; gap: 4px; }
  .proces-plast { bottom: auto; top: calc(var(--glava-v) + 12px); }
  .proces-skrol { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .proces { height: auto; }
  .proces-lepilo { position: relative; }
  .proces-tekst { opacity: 1; transform: none; }
  .proces-fazi { opacity: 1; }
  .proces-fazi li { opacity: 1; color: var(--mastilo); }
  .proces-plast, .proces-skrol { display: none; }
}

/* ---------- 56 дорника ---------- */
.dornici-mreja { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(40px, 7vw, 120px); align-items: center; }
.dornik-izbor { margin-top: clamp(36px, 4vw, 56px); display: grid; gap: 14px; max-width: 420px; }
.dornik-et { font-size: 14px; color: var(--mastilo-3); }
.dornik-pole { display: grid; grid-template-columns: 56px minmax(0, 1fr) 56px; align-items: center; border: 1.5px solid var(--mastilo); border-radius: var(--r); height: 72px; }
.dornik-pole button { height: 100%; border: 0; background: transparent; font-size: 26px; cursor: pointer; border-radius: 8px; }
.dornik-pole button:hover { color: var(--oranzh-tekst); }
.dornik-pole input { border: 0; background: transparent; text-align: center; font: 500 38px/1 var(--mono); width: 100%; min-width: 0; height: 100%; letter-spacing: -0.02em; }
.dornik-pole input:focus { outline: none; }
.dornik-pole:focus-within { box-shadow: 0 0 0 3px rgba(232, 105, 28, .25); }
.dornik-plaz { -webkit-appearance: none; appearance: none; width: 100%; height: 44px; background: transparent; cursor: pointer; }
.dornik-plaz::-webkit-slider-runnable-track { height: 2px; background: var(--liniya); }
.dornik-plaz::-moz-range-track { height: 2px; background: var(--liniya); }
.dornik-plaz::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--hartiya); border: 2px solid var(--mastilo); margin-top: -10px; }
.dornik-plaz::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--hartiya); border: 2px solid var(--mastilo); }
.dornik-otg { min-height: 3em; color: var(--mastilo-2); }
.dornik-otg b { color: var(--mastilo); font-weight: 500; }
.dornik-vrazka { justify-self: start; }
.dornici-oshte { margin-top: 30px; font-size: 15px; color: var(--mastilo-3); max-width: 40ch; }
.dornici-oshte a { color: var(--mastilo); text-underline-offset: 3px; display: inline-block; padding: 12px 0; margin: -12px 0; }
.dornici-krag { position: relative; }
.krag { width: 100%; height: auto; touch-action: pan-y; cursor: crosshair; }
.krag circle { fill: none; stroke: var(--mastilo); stroke-width: 0.7; vector-effect: non-scaling-stroke; opacity: .42; transition: opacity .3s, stroke .3s; }
.krag circle.kvadr { opacity: .28; }
.krag circle.izbran { stroke: var(--oranzh); stroke-width: 2.4; opacity: 1; }
.krag .razmer line { stroke: var(--oranzh); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.krag .razmer path { fill: var(--oranzh); }
.krag .razmer text { font: 500 13px var(--mono); fill: var(--oranzh-tekst); }
.krag .pole-izbran { fill: rgba(166, 176, 145, .22); stroke: none; }
.dornici-krag figcaption { margin-top: 18px; text-align: center; font-size: 12.5px; color: var(--mastilo-3); letter-spacing: .02em; }
.krag-izbran { color: var(--oranzh-tekst); }
@media (max-width: 900px) {
  .dornici-mreja { grid-template-columns: minmax(0, 1fr); }
  .dornici-krag { order: -1; max-width: 520px; margin: 0 auto 8px; width: 100%; }
}

/* ---------- стъклопластът ---------- */
.material { background: var(--hartiya-2); }
.material-mreja { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 100px); align-items: start; }
.tegla { background: var(--hartiya); border-radius: 18px; padding: clamp(24px, 3vw, 40px); }
.tegla-zag { font-size: 15px; color: var(--mastilo-2); margin-bottom: 26px; max-width: 30ch; }
.tegla-lenti { display: grid; gap: 22px; }
.tegla-lenti li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 16px; align-items: baseline; }
.tegla-lenti span { font-size: 15px; }
.tegla-lenti b { font-weight: 500; font-size: 17px; }
.tegla-lenti i { grid-column: 1 / -1; display: block; height: 14px; border-radius: 3px; background: var(--grafit); transform-origin: left; transform: scaleX(var(--w)); }
.tegla-lenti li:nth-child(2) i { background: var(--stomana); }
.tegla-lenti .nash i { background: var(--seladon); box-shadow: inset 0 0 0 1px rgba(102, 114, 74, .35); }
.tegla-lenti .nash b { color: var(--seladon-tamen); }
.js .tegla:not(.vidimo) .tegla-lenti i { transform: scaleX(0); }
.tegla.vidimo .tegla-lenti i { transition: transform 1.2s cubic-bezier(.2,.7,.2,1) .3s; }
.list-danni { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(24px, 3vw, 48px); }
.list-danni > div { border-top: 1px solid var(--liniya); padding: 22px 0 30px; }
.list-danni dt { font-size: clamp(26px, 2.6vw, 38px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; }
.list-danni dd { margin-top: 10px; color: var(--mastilo-2); font-size: 15.5px; max-width: 30ch; }
.material-bel { margin-top: clamp(32px, 4vw, 56px); display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; color: var(--mastilo-2); }
@media (max-width: 900px) { .material-mreja { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 520px) { .list-danni { grid-template-columns: minmax(0, 1fr); } }

/* ---------- изделия ---------- */
.izbor-mreja { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.iz { grid-column: span 2; }
.iz-golyamo { grid-column: span 4; grid-row: span 2; }
.iz a { display: grid; gap: 14px; text-decoration: none; height: 100%; grid-template-rows: minmax(0, 1fr) auto; }
.iz img { width: 100%; height: 100%; object-fit: cover; border-radius: 14px; aspect-ratio: 4 / 3; background: var(--hartiya-2); transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.iz-golyamo img { aspect-ratio: auto; min-height: 100%; }
.iz a:hover img { transform: scale(1.015); }
.iz p { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.iz p b { font-weight: 500; font-size: 18px; letter-spacing: -0.015em; }
.iz p span { font-size: 13px; color: var(--mastilo-3); }
.izbor-vse { margin-top: clamp(36px, 4vw, 56px); }
@media (max-width: 900px) {
  .izbor-mreja { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .iz, .iz-golyamo { grid-column: span 1; grid-row: auto; }
  .iz-golyamo { grid-column: 1 / -1; }
  .iz-golyamo img { aspect-ratio: 4 / 3; }
}
@media (max-width: 520px) { .izbor-mreja { grid-template-columns: minmax(0, 1fr); } .iz { grid-column: 1 / -1; } }

/* ---------- запитване ---------- */
.zapitvane-blok { background: var(--hartiya-2); }
.zapitvane-mreja { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 100px); align-items: end; }
.zapitvane-mreja .btn { margin-top: 34px; }
.telefoni { display: grid; }
.telefoni a { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 20px 0; border-top: 1px solid var(--liniya); text-decoration: none; flex-wrap: wrap; }
.telefoni li:last-child a { border-bottom: 1px solid var(--liniya); }
.telefoni span { font-size: clamp(24px, 3vw, 44px); letter-spacing: -0.02em; font-weight: 500; overflow-wrap: anywhere; }
.telefoni small { font-size: 14px; color: var(--mastilo-3); }
.telefoni a:hover span { color: var(--oranzh-tekst); }
@media (max-width: 900px) { .zapitvane-mreja { grid-template-columns: minmax(0, 1fr); } }