/* ============================================================
   BTS Fulfilment — styles
   Hybrid: dark premium hero (AKFA) + light minimalism (Apple)
   Brand: orange #EC691F primary, blue #244082 secondary
   ============================================================ */

:root{
  --orange:#EC691F;
  --orange-600:#d75d00;
  --orange-050:#fff3e9;
  --blue:#244082;
  --blue-700:#152e6e;
  --teal:#00A396;
  --cyan:#00A0E3;

  --ink:#16181d;
  --ink-2:#495057;
  --muted:#8a919b;
  --line:#e7e9ee;

  --bg:#ffffff;
  --bg-tint:#f6f7f9;
  --dark:#1c1c1c;
  --dark-2:#242424;
  --dark-3:#2f2f2f;

  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 50px -24px rgba(20,30,60,.28);
  --shadow-sm:0 8px 24px -14px rgba(20,30,60,.22);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:"Proxima Nova", Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink-2);
  background:var(--bg);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;margin:0}
button{font-family:inherit;cursor:pointer}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.container--narrow{max-width:820px}

/* ---------- Typography helpers ---------- */
.eyebrow{
  display:inline-block;
  font-size:12.5px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--orange);margin-bottom:16px;position:relative;padding-left:38px;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;width:26px;height:2px;
  background:var(--orange);transform:translateY(-50%);
}
.eyebrow--light{color:#ffb987}
.eyebrow--light::before{background:#ffb987}

.section__title{
  font-size:clamp(26px,3.4vw,44px);font-weight:800;letter-spacing:-.5px;margin-bottom:16px;
}
.section__lead{font-size:clamp(15px,1.5vw,18px);color:var(--ink-2);max-width:60ch;margin:0 0 8px}
.section__head{max-width:760px;margin:0 auto 52px;text-align:center}
.section__head .eyebrow{padding-left:0}
.section__head .eyebrow::before{display:none}

.section{padding:96px 0}
.section--tint{background:var(--bg-tint)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:.2px;
  border:2px solid transparent;transition:transform .2s var(--ease),background .2s,box-shadow .2s,color .2s;
  white-space:nowrap;
}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 12px 26px -12px rgba(236,105,31,.7)}
.btn--primary:hover{background:var(--orange-600);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn--sm{padding:11px 20px;font-size:13.5px}
.btn--block{width:100%}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s var(--ease),box-shadow .35s,padding .35s;
  padding:10px 0;
}
.site-header.is-scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.site-header>.container{max-width:1340px}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{flex:0 0 auto}
.nav{flex:1 1 auto;justify-content:center}
.header__actions{flex:0 0 auto}
.brand{display:flex;align-items:center;gap:10px}
.brand__logo{height:38px;width:auto;filter:brightness(0) invert(1);transition:filter .35s}
.is-scrolled .brand__logo{filter:none}
.brand__sub{
  font-weight:800;font-size:15px;letter-spacing:1px;color:#fff;text-transform:uppercase;
  padding-left:10px;border-left:2px solid var(--orange);line-height:1;transition:color .35s;
}
.is-scrolled .brand__sub{color:var(--ink)}

.nav{display:flex;gap:26px}
.nav__link{
  font-size:14.5px;font-weight:600;color:rgba(255,255,255,.9);letter-spacing:.2px;position:relative;padding:6px 0;transition:color .3s;white-space:nowrap;
}
@media (max-width:1180px){.nav{gap:18px}.nav__link{font-size:13.5px}}
.nav__link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--orange);transition:width .3s var(--ease)}
.nav__link:hover{color:#fff}.nav__link:hover::after{width:100%}
.is-scrolled .nav__link{color:var(--ink-2)}
.is-scrolled .nav__link:hover{color:var(--ink)}

.header__actions{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid rgba(255,255,255,.35);border-radius:999px;overflow:hidden}
.is-scrolled .lang{border-color:var(--line)}
.lang__btn{
  background:transparent;border:none;color:rgba(255,255,255,.8);font-weight:700;font-size:12.5px;
  padding:7px 12px;transition:background .2s,color .2s;letter-spacing:.5px;
}
.is-scrolled .lang__btn{color:var(--muted)}
.lang__btn.is-active{background:var(--orange);color:#fff}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px}
.burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.is-scrolled .burger span{background:var(--ink)}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:140px 0 40px;overflow:hidden;color:#fff;
}
.hero__media{position:absolute;inset:0;z-index:-2;background:
  radial-gradient(120% 120% at 70% 10%, #3a3f4a 0%, #1c1f26 55%, #141519 100%);
}
.hero__video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center center;
  filter:saturate(.98) contrast(1.02) brightness(.96);
}
/* placeholder texture so it doesn't look empty before real media */
.hero__media::after{
  content:"";position:absolute;inset:0;z-index:1;opacity:.13;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:64px 64px;transform:perspective(600px) rotateX(55deg) scale(1.6);transform-origin:top;
  pointer-events:none;
}
.hero__overlay{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(15,17,23,.68) 0%,rgba(15,17,23,.54) 38%,rgba(15,17,23,.26) 68%,rgba(15,17,23,.48) 100%),
    linear-gradient(180deg,rgba(15,17,23,.58) 0%,rgba(15,17,23,.18) 42%,rgba(15,17,23,.62) 100%),
    radial-gradient(90% 70% at 22% 48%,rgba(236,105,31,.1),transparent 58%);
}
.hero__inner{position:relative;flex:1;display:flex;flex-direction:column;justify-content:center;max-width:900px}
.hero__title{
  font-size:clamp(38px,6.6vw,86px);font-weight:900;letter-spacing:-1px;color:#fff;text-transform:none;
  margin-bottom:22px;text-shadow:0 6px 40px rgba(0,0,0,.35);
}
/* typewriter: untyped remainder holds its space (fixes line-wrap) but stays invisible */
.tw-rest{visibility:hidden}
.hero__lead{font-size:clamp(16px,1.7vw,21px);color:rgba(255,255,255,.86);max-width:60ch;margin:0 0 34px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}

.hero__stats{
  position:relative;display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;gap:24px 40px;
  margin-top:56px;padding-top:34px;border-top:1px solid rgba(255,255,255,.16);
}
.stat{display:flex;flex-direction:column;gap:6px}
.stat__num{
  font-size:clamp(30px,3.6vw,46px);font-weight:800;color:#fff;line-height:1;letter-spacing:-1px;
  white-space:nowrap;min-height:clamp(30px,3.6vw,46px);display:flex;align-items:flex-end;
}
/* long values (warehouse classes, B2B/B2C): keep full size on one line — columns size to content.
   Only shrink on narrow screens where columns are forced equal-width (see media queries). */
.stat__num .u{color:var(--orange)}
.stat__label{font-size:13.5px;color:rgba(255,255,255,.7);font-weight:500;max-width:22ch}

/* ============ ABOUT ============ */
.about__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about__media{
  position:relative;aspect-ratio:16/10;border-radius:var(--radius);overflow:hidden;
  box-shadow:0 28px 70px -34px rgba(20,30,60,.45);
}
.about__media::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(135deg,rgba(36,64,130,.24),rgba(236,105,31,.08) 52%,rgba(0,0,0,.16));
  pointer-events:none;
}
.about__media::after{
  content:"";position:absolute;left:24px;right:24px;bottom:22px;z-index:2;height:4px;
  background:linear-gradient(90deg,var(--orange),rgba(236,105,31,0));
  border-radius:999px;
}
.about__media img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.01)}

/* placeholder blocks */
.placeholder{
  position:relative;background:
    repeating-linear-gradient(135deg,#f0f2f5 0 18px,#eaedf1 18px 36px);
  border:1px dashed #cfd5de;border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;min-height:220px;
}
.placeholder__label{font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#9aa2ae}
.placeholder-soft{background:var(--bg)}

/* ============ CARDS ============ */
.cards{display:grid;gap:24px}
.cards--4{grid-template-columns:repeat(4,1fr)}
.cards--3{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.section--tint .card{background:#fff}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card__icon{
  width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#fff7f1 0%,#eef7fb 100%);margin-bottom:22px;color:var(--blue);
}
.card__icon svg{width:44px;height:44px;display:block}
.bts-icon{fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.bts-icon .icon-primary{fill:var(--blue);stroke:none}
.bts-icon .icon-accent{fill:var(--orange);stroke:none}
.bts-icon .icon-line{fill:none;stroke:var(--blue)}
.bts-icon .icon-accent-line{fill:none;stroke:var(--orange)}
.bts-icon .icon-white{fill:#fff;stroke:none}
.bts-icon .icon-white-line{fill:none;stroke:#fff}
.card__title{font-size:18px;font-weight:700;margin-bottom:10px}
.card__text{font-size:14.5px;color:var(--ink-2);margin:0}
.card--audience .card__icon{background:linear-gradient(135deg,#eef7fb 0%,#fff7f1 100%)}

/* reviews */
.card--review{display:flex;flex-direction:column;gap:20px;justify-content:space-between;min-height:220px}
.card--review{border-top:4px solid var(--orange)}
.card__quote{font-size:17px;font-style:normal;color:var(--ink);margin:0;line-height:1.65}
.card__author{display:flex;align-items:center;gap:12px}
.card__avatar{
  width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex:0 0 auto;
}
.card__name{font-size:14px;font-weight:700;color:var(--ink-2)}

/* ============ STEPS / HOW ============ */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 26px 30px;transition:transform .3s var(--ease),box-shadow .3s;
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step__num{font-size:46px;font-weight:900;color:var(--orange);opacity:.9;letter-spacing:-2px;display:block;margin-bottom:14px}
.step__title{font-size:17px;font-weight:700;margin-bottom:8px}
.step__text{font-size:14px;color:var(--ink-2);margin:0}

/* ============ PARTNERS / MARQUEE RIBBON ============ */
.marquee{
  position:relative;overflow:hidden;width:100%;padding:10px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
}
.marquee__track{
  display:flex;align-items:center;width:max-content;
  animation:marquee 42s linear infinite;
}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__item{
  font-family:"Playfair Display", Georgia, "Times New Roman", serif;
  font-size:clamp(24px,2.7vw,40px);font-weight:600;letter-spacing:.025em;
  color:#303847;white-space:nowrap;text-transform:uppercase;transition:color .3s,text-shadow .3s,opacity .3s;
}
.marquee__item::after{
  content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--orange);margin:0 42px;vertical-align:middle;opacity:.85;
}
.marquee__item:hover{color:var(--blue);text-shadow:0 10px 26px rgba(36,64,130,.12)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============ FAQ ============ */
.accordion{display:flex;flex-direction:column;gap:14px}
.acc{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;overflow:hidden}
.acc__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;padding:22px 24px;font-size:16.5px;font-weight:700;color:var(--ink);
}
.acc__ico{position:relative;width:16px;height:16px;flex:0 0 auto}
.acc__ico::before,.acc__ico::after{content:"";position:absolute;background:var(--orange);border-radius:2px;transition:transform .3s var(--ease)}
.acc__ico::before{top:7px;left:0;width:16px;height:2px}
.acc__ico::after{top:0;left:7px;width:2px;height:16px}
.acc.is-open .acc__ico::after{transform:scaleY(0)}
.acc__a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.acc__a p{margin:0;padding:0 24px 24px;color:var(--ink-2);font-size:15px}

/* ============ CTA + FORM ============ */
.cta{background:linear-gradient(135deg,#1c1f26,#20262f 55%,#171a20);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;width:520px;height:520px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(236,105,31,.22),transparent 62%)}
.cta__grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta .section__title{color:#fff}
.cta .section__lead{color:rgba(255,255,255,.82)}
.cta__contacts{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.cta__contacts li{font-size:15px;color:rgba(255,255,255,.75)}
.cta__contacts a{color:#fff;font-weight:700;border-bottom:1px solid rgba(255,255,255,.3)}
.cta__contacts a:hover{border-color:var(--orange)}

.form{background:#fff;border-radius:20px;padding:34px;box-shadow:0 30px 70px -30px rgba(0,0,0,.6)}
.form__row{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.form__label{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.form__input{
  border:1.5px solid var(--line);border-radius:11px;padding:13px 15px;font-size:15px;font-family:inherit;color:var(--ink);
  transition:border-color .2s,box-shadow .2s;background:#fff;
}
.form__input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 4px var(--orange-050)}
textarea.form__input{resize:vertical;min-height:76px}
.form__consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);margin:6px 0 18px}
.form__consent input{margin-top:3px;accent-color:var(--orange);width:16px;height:16px;flex:0 0 auto}
.form__note{font-size:12px;color:var(--muted);text-align:center;margin:14px 0 0}
.form__success{margin:14px 0 0;padding:12px 14px;border-radius:10px;background:#e9f9ef;color:#137a3e;font-weight:600;font-size:14px;text-align:center}
.form__input.is-invalid{border-color:#e5484b;box-shadow:0 0 0 4px #fdecec}

/* ============ FOOTER ============ */
.footer{background:#121317;color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer__logo{height:34px;filter:brightness(0) invert(1);margin-bottom:14px}
.footer__tagline{font-size:13px;color:var(--muted);margin:0}
.footer__h{font-size:13px;text-transform:uppercase;letter-spacing:1.5px;color:#fff;margin-bottom:16px}
.footer__col a{display:block;font-size:14.5px;color:rgba(255,255,255,.66);padding:5px 0;transition:color .2s}
.footer__col a:hover{color:var(--orange)}
.footer__social{display:flex;gap:10px}
.footer__social a{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);font-size:12px;font-weight:700;color:#fff;padding:0;
}
.footer__social a svg{width:19px;height:19px;display:block}
.footer__social a:hover{background:var(--orange);color:#fff}
.footer__bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:var(--muted)}

/* ============ REVEAL ANIMATION ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* --- Converge: карточки слетаются к центру из сторон при скролле --- */
.cards--converge .card{transition:opacity .9s var(--ease),transform .9s var(--ease)}
.cards--converge .card:nth-child(1){transform:translateX(-170px) scale(.95)}
.cards--converge .card:nth-child(2){transform:translateX(-72px) scale(.98)}
.cards--converge .card:nth-child(3){transform:translateX(72px) scale(.98)}
.cards--converge .card:nth-child(4){transform:translateX(170px) scale(.95)}
.cards--converge .card:nth-child(1),
.cards--converge .card:nth-child(4){transition-delay:.08s}
.cards--converge .card.is-in{transform:none;opacity:1}
.cards--converge .card.is-in:hover{transform:translateY(-6px)}

/* --- Каскадный вылет шагов "Как это работает" --- */
.steps .step:nth-child(2){transition-delay:.1s}
.steps .step:nth-child(3){transition-delay:.2s}
.steps .step:nth-child(4){transition-delay:.3s}

@media (prefers-reduced-motion:reduce){
  .cards--converge .card{transform:none!important;transition:none}
  .marquee__track{animation:none}
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .cards--4{grid-template-columns:repeat(2,1fr)}
  .cards--converge .card{transform:none!important}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero__stats{grid-template-columns:repeat(2,1fr);justify-content:stretch;gap:28px}
  .statband{grid-template-columns:repeat(2,auto);justify-content:space-around;gap:32px 24px}
  .stat__num--wide{font-size:clamp(24px,3.4vw,34px)}
}
@media (max-width:860px){
  .section{padding:72px 0}
  .nav,.header__cta{display:none}
  .burger{display:flex}
  .nav.is-open{
    display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;
    background:#fff;padding:18px 24px;gap:6px;box-shadow:var(--shadow);
  }
  .nav.is-open .nav__link{color:var(--ink-2);padding:12px 0;border-bottom:1px solid var(--line)}
  .about__grid,.cta__grid{grid-template-columns:1fr;gap:36px}
  .cards--3{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:560px){
  .container{padding:0 30px}
  body{overflow-x:hidden}
  .section{padding:76px 0}
  .section__head{margin-bottom:42px}
  .section__title{font-size:clamp(30px,8.7vw,38px);line-height:1.18}
  .section__lead{font-size:17px;line-height:1.75}
  .eyebrow{font-size:13px;letter-spacing:2.8px;margin-bottom:18px}
  .btn{font-size:15.5px;min-height:58px}
  .card{padding:34px 28px}
  .card__title{font-size:19px}
  .card__text{font-size:15.5px;line-height:1.75}
  .card__quote{font-size:16px;line-height:1.72}
  .card__name{font-size:14.5px;line-height:1.45}
  .cards--4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero__stats{grid-template-columns:1fr 1fr;gap:24px;padding-left:30px;padding-right:30px}
  .stat__num--wide{font-size:22px}
  .stat__label{font-size:14px;line-height:1.45}
  .hero{min-height:auto;padding:122px 0 58px}
  .hero__inner{padding-left:30px;padding-right:30px}
  .hero__title{font-size:clamp(34px,10vw,46px);letter-spacing:-.4px}
  .hero__lead{font-size:17px;line-height:1.68}
  .hero__video{object-position:center center;filter:saturate(.96) contrast(1.03) brightness(.9)}
  .hero__overlay{
    background:
      linear-gradient(90deg,rgba(15,17,23,.72) 0%,rgba(15,17,23,.62) 62%,rgba(15,17,23,.54) 100%),
      linear-gradient(180deg,rgba(15,17,23,.64) 0%,rgba(15,17,23,.26) 42%,rgba(15,17,23,.7) 100%);
  }
  .btn{width:100%;max-width:100%}
  .hero__actions{flex-direction:column;gap:14px}
  .footer__inner{grid-template-columns:1fr}
  .form{padding:24px}
}
@media (max-width:380px){
  .container{padding:0 24px}
  .hero__inner{padding-left:24px;padding-right:24px}
  .hero__stats{padding-left:24px;padding-right:24px}
  .card{padding:30px 24px}
}