/* ═══════════════════════════════════════════════════════════════
   DRONPRINT v2 — Veblix Studio
   Воєнна гама: olive-black база + тактичний NVG-зелений акцент.
   Урок: семантичні токени · один акцент · near-black (не #000).
   ═══════════════════════════════════════════════════════════════ */

:root{
  /* — палітра — */
  --bg:#0A0C08;            /* olive-black, НЕ чистий #000 */
  --surface:#13170F;
  --surface-2:#1A1F12;
  --line:#222719;
  --accent:#A3B84A;        /* тактичний/NVG-зелений — ЄДИНИЙ акцент */
  --accent-2:#C7DA6A;
  --accent-glow:rgba(163,184,74,.30);
  --khaki:#B7A77A;         /* muted sand — лише для mono-дрібниць */
  --text:#EDF0E6;
  --muted:#878E78;
  --ok:#22C55E; --warn:#EF4444;

  /* — типографіка — */
  --f-display:'Unbounded',system-ui,sans-serif;
  --f-body:'Inter',system-ui,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,monospace;

  /* — ритм — */
  --wrap:1240px;
  --gutter:clamp(20px,5vw,64px);
  --radius:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg); color:var(--text);
  font-family:var(--f-body); font-size:clamp(15px,1vw+13px,17px);
  line-height:1.6; letter-spacing:.01em;
  overflow-x:hidden;
}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--accent);color:var(--bg)}

.wrap{width:min(100% - var(--gutter)*2,var(--wrap));margin-inline:auto}
.section{padding-block:clamp(72px,11vw,140px)}
.mono{font-family:var(--f-mono);letter-spacing:0}

.eyebrow{
  font-family:var(--f-mono); font-size:.78rem; letter-spacing:.18em;
  text-transform:uppercase; color:var(--accent); display:inline-block;
}
.sec-num{
  font-family:var(--f-mono); font-size:.8rem; color:var(--accent);
  letter-spacing:.2em; opacity:.8;
}
.sec-head{margin-bottom:clamp(32px,5vw,56px);max-width:min(100%,34rem)}
.sec-head h2{margin-top:.5em;text-wrap:balance}

h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.05;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3.5vw,2.9rem)}
h3{font-size:clamp(1.1rem,1.6vw,1.35rem);font-weight:600}
.lead{color:var(--muted);font-size:clamp(1rem,1.3vw,1.15rem);max-width:48ch}

/* ───────── BUTTONS ───────── */
.btn{
  --pad:.95em 1.5em;
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:var(--pad); border-radius:10px; font-weight:600;
  font-size:.95rem; letter-spacing:.01em; line-height:1;
  transition:transform .2s var(--ease),background .2s,box-shadow .25s,border-color .2s;
  border:1px solid transparent; white-space:nowrap;
}
.btn--sm{--pad:.7em 1.1em;font-size:.85rem}
.btn--full{width:100%}
.btn--accent{
  background:var(--accent); color:#0B0E06;
  box-shadow:0 0 0 0 var(--accent-glow);
}
.btn--accent:hover{
  transform:translateY(-2px);
  background:var(--accent-2);
  box-shadow:0 12px 30px -10px var(--accent-glow),0 0 0 1px var(--accent);
}
.btn--ghost{
  border-color:var(--line); color:var(--text); backdrop-filter:blur(6px);
  background:rgba(255,255,255,.02);
}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}

/* ───────── LOADER ───────── */
.loader{
  position:fixed; inset:0; z-index:1000;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:24px; background:var(--bg);
  transition:opacity .6s var(--ease),visibility .6s;
}
.loader.is-done{opacity:0;visibility:hidden}
.loader__ring{position:relative;width:120px;height:120px}
.loader__ring svg{transform:rotate(-90deg)}
.loader__track{fill:none;stroke:var(--line);stroke-width:3}
.loader__bar{
  fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;
  stroke-dasharray:339.292; stroke-dashoffset:339.292;
  filter:drop-shadow(0 0 6px var(--accent-glow));
  transition:stroke-dashoffset .2s linear;
}
.loader__pct{
  position:absolute;inset:0;display:grid;place-items:center;
  font-family:var(--f-mono);font-size:1.1rem;color:var(--text);
}
.loader__brand{
  font-family:var(--f-display);font-weight:700;letter-spacing:.3em;
  font-size:.85rem;color:var(--muted);padding-left:.3em;
}

/* ───────── NAV ───────── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px; padding:18px var(--gutter);
  transition:background .3s,border-color .3s,padding .3s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(10,12,8,.82); backdrop-filter:blur(14px) saturate(1.2);
  border-bottom-color:var(--line); padding-block:12px;
}
.nav__logo{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--f-display);font-weight:700;letter-spacing:.04em;font-size:1.05rem;
}
.nav__logo b{color:var(--accent);font-weight:800}
.nav__logo-mark{
  width:11px;height:11px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 12px var(--accent-glow);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.nav__links{display:flex;gap:30px}
.nav__links a{
  font-size:.92rem;color:var(--muted);position:relative;transition:color .2s;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;
  background:var(--accent);transition:width .25s var(--ease);
}
.nav__links a:hover{color:var(--text)}
.nav__links a:hover::after{width:100%}
.nav__right{display:flex;align-items:center;gap:16px}
.lang{
  font-family:var(--f-mono);font-size:.78rem;letter-spacing:.05em;
  display:flex;gap:3px;color:var(--muted);
  border:1px solid var(--line);border-radius:8px;padding:6px 9px;transition:border-color .2s;
}
.lang:hover{border-color:var(--accent)}
.lang__on{color:var(--accent)}
.lang__off{opacity:.5}
body.en .lang__on{color:var(--muted)}
body.en .lang__off{color:var(--accent);opacity:1}

/* ───────── HERO ───────── */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:flex-end;
  padding:0 var(--gutter) clamp(56px,9vh,110px);
  overflow:hidden;
}
.hero__video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:-3;filter:saturate(1.05) contrast(1.05);
}
.hero__overlay{
  position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(180deg,rgba(10,12,8,.45) 0%,rgba(10,12,8,.1) 35%,rgba(10,12,8,.8) 80%,var(--bg) 100%),
    radial-gradient(120% 90% at 15% 90%,rgba(10,12,8,.85),transparent 60%);
}
.hero__grain{
  position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero__inner{position:relative;max-width:62ch;z-index:1}
.hero__title{
  font-size:clamp(2.5rem,7vw,5.4rem);margin:.35em 0 .45em;
  text-shadow:0 4px 40px rgba(0,0,0,.5);
}
.hero__title .line{display:block}
.hero__title .line--accent{color:var(--accent);text-shadow:0 0 40px var(--accent-glow)}
.hero__sub{color:#D5DAC8;max-width:54ch;font-size:clamp(1rem,1.4vw,1.2rem)}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin:36px 0 40px}
.hero__specs{display:flex;gap:clamp(18px,3vw,44px);flex-wrap:wrap}
.hero__specs li{display:flex;flex-direction:column;gap:3px}
.hero__specs b{font-family:var(--f-mono);font-size:1.15rem;color:var(--accent);font-weight:700}
.hero__specs span{font-size:.82rem;color:var(--muted)}
.hero__scroll{
  position:absolute;left:50%;bottom:26px;translate:-50% 0;z-index:1;
  width:24px;height:38px;border:1.5px solid var(--line);border-radius:14px;
  display:grid;place-items:start center;padding-top:7px;
}
.hero__scroll span{width:3px;height:8px;border-radius:2px;background:var(--accent);animation:scrolldot 1.6s var(--ease) infinite}
@keyframes scrolldot{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* ───────── PAIN ───────── */
.pain__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px)}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,3vw,36px);transition:border-color .25s,transform .25s,background .25s;
}
.card:hover{border-color:var(--accent);transform:translateY(-4px);background:var(--surface-2)}
.card__ico{
  display:grid;place-items:center;width:42px;height:42px;border-radius:9px;
  background:rgba(163,184,74,.1);color:var(--accent);font-size:1.2rem;margin-bottom:18px;
  border:1px solid rgba(163,184,74,.25);
}
.card h3{margin-bottom:.5em}
.card p{color:var(--muted);font-size:.96rem}

/* ───────── PROCESS ───────── */
.process__list{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px)}
.step{
  position:relative;padding:clamp(24px,3vw,34px);
  border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);
  overflow:hidden;transition:border-color .25s;
}
.step:hover{border-color:var(--accent)}
.step__n{
  font-family:var(--f-mono);font-size:3.4rem;font-weight:700;
  color:transparent;-webkit-text-stroke:1px var(--line);
  position:absolute;right:14px;top:6px;line-height:1;user-select:none;
}
.chip{
  display:inline-block;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;
  color:var(--accent);border:1px solid rgba(163,184,74,.3);border-radius:6px;
  padding:5px 9px;margin-bottom:18px;background:rgba(163,184,74,.06);
}
.step h3{margin-bottom:.5em}
.step p{color:var(--muted);font-size:.95rem}

/* ───────── CATALOG / SLIDER ───────── */
.catalog{padding-block:clamp(72px,11vw,140px) 0}
.catalog__head{
  display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;
  padding-inline:var(--gutter);margin-bottom:clamp(28px,4vw,44px);
}
.slider{
  position:relative;height:min(78vh,720px);overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.slider__track{display:flex;height:100%;transition:transform .7s var(--ease)}
.slide{position:relative;min-width:100%;height:100%;display:flex;align-items:flex-end;overflow:hidden}
.slide__bg{
  position:absolute;inset:0;z-index:0;
  background-position:center;background-size:cover;background-repeat:no-repeat;
  transform:scale(1.08);transition:transform 1.2s var(--ease),filter .6s;
  filter:saturate(1.05);
}
.slide.is-active .slide__bg{transform:scale(1)}
.slide::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(10,12,8,.92) 0%,rgba(10,12,8,.55) 42%,rgba(10,12,8,.15) 75%);
}
.slide__body{
  position:relative;z-index:2;padding:clamp(28px,5vw,64px);max-width:46ch;
  transform:translateY(20px);opacity:0;transition:transform .6s .15s var(--ease),opacity .6s .15s;
}
.slide.is-active .slide__body{transform:none;opacity:1}
.slide__tag{
  font-family:var(--f-mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);
}
.slide__body h3{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;margin:.35em 0}
.slide__body p{color:#D5DAC8;max-width:40ch;margin-bottom:18px}
.slide__specs{display:flex;gap:10px;flex-wrap:wrap}
.slide__specs li{
  font-family:var(--f-mono);font-size:.82rem;color:var(--text);
  border:1px solid var(--line);background:rgba(10,12,8,.5);border-radius:7px;padding:7px 11px;
}
.slider__arrow{
  position:absolute;top:50%;translate:0 -50%;z-index:5;
  width:54px;height:54px;border-radius:50%;font-size:1.7rem;line-height:1;
  display:grid;place-items:center;color:var(--text);
  background:rgba(10,12,8,.55);border:1px solid var(--line);
  backdrop-filter:blur(8px);transition:background .2s,border-color .2s,color .2s;
}
.slider__arrow:hover{background:var(--accent);color:#0B0E06;border-color:var(--accent)}
.slider__arrow--prev{left:clamp(12px,2vw,28px)}
.slider__arrow--next{right:clamp(12px,2vw,28px)}
.slider__counter{
  position:absolute;top:clamp(20px,3vw,34px);right:clamp(20px,3vw,40px);z-index:5;
  font-family:var(--f-mono);font-size:.95rem;color:var(--muted);letter-spacing:.1em;
}
.slider__counter #slideCur{color:var(--accent);font-size:1.3rem}
.slider__counter-sep{margin:0 4px}
.slider__dots{
  position:absolute;left:clamp(28px,5vw,64px);bottom:clamp(20px,3vw,30px);z-index:5;
  display:flex;gap:8px;
}
.slider__dots button{width:26px;height:3px;border-radius:2px;background:var(--line);transition:background .25s}
.slider__dots button.is-active{background:var(--accent)}

/* ───────── MATERIALS ───────── */
.materials__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.spec-table{width:100%;border-collapse:collapse;margin-top:28px;font-family:var(--f-mono);font-size:.86rem}
.spec-table th,.spec-table td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line)}
.spec-table thead th{
  color:var(--muted);font-weight:500;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
}
.spec-table tbody td:first-child{color:var(--accent)}
.spec-table tbody tr{transition:background .2s}
.spec-table tbody tr:hover{background:var(--surface)}
.materials__shot{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.materials__shot::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(80% 60% at 50% 45%,transparent 40%,rgba(10,12,8,.55) 100%),
            radial-gradient(40% 30% at 50% 42%,var(--accent-glow),transparent 70%);
  mix-blend-mode:screen;
}
.materials__shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.materials__shot figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:12px 16px;font-size:.78rem;color:#D5DAC8;
  background:linear-gradient(transparent,rgba(10,12,8,.85));
}

/* ───────── PROOF ───────── */
.proof__band{position:relative;min-height:clamp(360px,55vh,560px);display:flex;align-items:center;overflow:hidden}
.proof__band-bg{
  position:absolute;inset:0;background-position:center;background-size:cover;background-repeat:no-repeat;
  transform:scale(1.05);filter:saturate(.9)
}
.proof__band-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,12,8,.92),rgba(10,12,8,.55) 70%,rgba(10,12,8,.4));
}
.proof__band-inner{position:relative;z-index:2;width:min(100% - var(--gutter)*2,var(--wrap))}
.proof__band-inner h2{margin:.4em 0 1.2em;max-width:20ch}
.stats{display:flex;gap:clamp(24px,5vw,64px);flex-wrap:wrap}
.stats li{display:flex;flex-direction:column;gap:4px}
.stats b{font-family:var(--f-mono);font-size:clamp(2rem,4vw,3rem);color:var(--accent);font-weight:700;line-height:1}
.stats b .count{font-size:inherit;color:inherit}
.stats li>span{font-size:.85rem;color:#C2C8B4;max-width:14ch}
.proof__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.5vw,18px);
  grid-auto-rows:1fr;
}
.proof__item{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.proof__item--lg{grid-column:span 2;grid-row:span 2}
.proof__item img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);min-height:160px}
.proof__item:hover img{transform:scale(1.06)}
.proof__item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  font-family:var(--f-mono);font-size:.78rem;color:#E6EAD8;
  background:linear-gradient(transparent,rgba(10,12,8,.9));
  opacity:0;transform:translateY(8px);transition:opacity .3s,transform .3s;
}
.proof__item:hover figcaption{opacity:1;transform:none}

/* ───────── ORDER ───────── */
.order__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}
.order__copy h2{margin:.4em 0 .6em}
.reassure{margin-top:26px;display:grid;gap:12px}
.reassure li{display:flex;align-items:center;gap:12px;color:var(--text);font-size:.95rem}
.reassure .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent-glow);flex:none}
.order__form{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,3vw,38px);display:grid;gap:18px;
}
.field{display:grid;gap:7px}
.field label{font-size:.82rem;color:var(--muted);font-family:var(--f-mono);letter-spacing:.04em}
.field input,.field select,.field textarea{
  background:var(--bg);border:1px solid var(--line);border-radius:9px;
  padding:13px 14px;color:var(--text);font:inherit;font-size:.95rem;
  transition:border-color .2s,box-shadow .2s;width:100%;
}
.field textarea{resize:vertical;min-height:84px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);
}
.field input::placeholder,.field textarea::placeholder{color:#5d6452}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--accent) 50%),linear-gradient(135deg,var(--accent) 50%,transparent 50%);background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;background-size:5px 5px;background-repeat:no-repeat}
.order__note{font-size:.85rem;color:var(--accent);min-height:1.2em;text-align:center;font-family:var(--f-mono)}
.order__note.is-warn{color:var(--warn)}

/* ───────── FOOTER ───────── */
.foot{border-top:1px solid var(--line);background:var(--surface);padding-block:clamp(48px,6vw,72px) 28px}
.foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr auto;gap:clamp(24px,4vw,56px);align-items:start}
.foot__brand p{color:var(--muted);font-size:.9rem;margin-top:14px;max-width:34ch}
.foot__h{display:block;font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.foot__col a{display:block;color:var(--text);font-size:.92rem;padding:5px 0;transition:color .2s}
.foot__col a:hover{color:var(--accent)}
.foot__bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:clamp(32px,5vw,52px);padding-top:22px;border-top:1px solid var(--line);
  font-size:.82rem;color:var(--muted);
}
.foot__bottom .mono{font-size:.8rem}

/* ───────── REVEAL (motion) ───────── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ═══════════ АДАПТИВ — щільна сходинка (урок responsive) ═══════════ */
@media (max-width:1024px){
  .materials__grid,.order__grid{grid-template-columns:1fr;gap:36px}
  .proof__grid{grid-template-columns:repeat(2,1fr)}
  .proof__item--lg{grid-column:span 2;grid-row:auto}
  .proof__item--lg img{aspect-ratio:16/9}
  .foot__grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot__cta{grid-column:1/-1}
}
@media (max-width:768px){
  .nav__links{display:none}
  .pain__grid,.process__list{grid-template-columns:1fr}
  .slider{height:min(82vh,640px)}
  .slide::after{background:linear-gradient(0deg,rgba(10,12,8,.95) 8%,rgba(10,12,8,.55) 55%,rgba(10,12,8,.2))}
  .slide__body{max-width:100%}
  .hero{align-items:flex-end}
  .hero__specs{gap:20px}
}
@media (max-width:520px){
  :root{--gutter:18px}
  .nav__right .btn{display:none}
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{width:100%}
  .hero__specs{gap:16px 22px}
  .hero__specs b{font-size:1rem}
  .proof__grid{grid-template-columns:1fr}
  .proof__item--lg{grid-column:auto}
  .foot__grid{grid-template-columns:1fr}
  .stats{gap:22px 36px}
  .slider__arrow{width:44px;height:44px;font-size:1.4rem}
  .spec-table{font-size:.78rem}
  .spec-table th,.spec-table td{padding:11px 8px}
}

/* ───────── reduced motion ───────── */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .slide__bg{transform:none}
}