/* ============================================================
   STTE Digital Agency — style.css
   CSS Grid · Responsive · Burger Menu · Background Images
   ============================================================ */

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:'Nunito Sans',sans-serif;color:#1a1f36;background:#fff;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
mark{background:none;color:#0057FF}

/* ---------- Tokens ---------- */
:root{
  --blue:#0057FF;
  --blue-d:#003ecc;
  --blue-l:#e8f0ff;
  --navy:#0b1b4d;
  --navy2:#0f2260;
  --orange:#FF6B35;
  --orange-d:#e05820;
  --gray50:#f7f9fc;
  --gray100:#eef2f8;
  --gray200:#dde3ef;
  --gray400:#8898aa;
  --gray600:#4a5568;
  --white:#fff;
  --shadow-sm:0 2px 8px rgba(0,87,255,.1);
  --shadow:0 4px 24px rgba(0,87,255,.13);
  --shadow-lg:0 12px 48px rgba(0,87,255,.18);
  --r:10px;
  --r-lg:16px;
  --tr:.25s cubic-bezier(.4,0,.2,1);
  --max:1200px;
}

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

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:8px;font-family:'Exo 2',sans-serif;
  font-weight:700;font-size:.95rem;transition:var(--tr);white-space:nowrap;cursor:pointer}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 16px rgba(0,87,255,.3)}
.btn-primary:hover{background:var(--blue-d);transform:translateY(-1px);box-shadow:0 6px 24px rgba(0,87,255,.4)}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 4px 16px rgba(255,107,53,.35)}
.btn-orange:hover{background:var(--orange-d);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--blue);font-weight:700}
.btn-white:hover{background:var(--blue-l)}
.btn-outline{background:transparent;color:var(--blue);border:2px solid var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-sm{padding:9px 20px;font-size:.875rem}
.btn-lg{padding:16px 36px;font-size:1rem}
.btn-full{width:100%}
.btn__t{display:block}
.btn__s{display:none;align-items:center;gap:6px}
.btn.loading .btn__t{display:none}
.btn.loading .btn__s{display:flex}
.spin{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Section headings ---------- */
section{padding:80px 0}
.sec-hdr{text-align:center;margin-bottom:52px}
.sec-hdr--light{text-align:center;margin-bottom:52px}
.sec-tag{display:inline-block;background:var(--blue-l);color:var(--blue);
  font-family:'Exo 2',sans-serif;font-size:.75rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;padding:5px 14px;
  border-radius:40px;margin-bottom:14px}
.sec-tag--light{background:rgba(255,255,255,.15);color:rgba(255,255,255,.9)}
.sec-title{font-family:'Exo 2',sans-serif;font-size:clamp(1.45rem,3vw,2.1rem);
  font-weight:800;line-height:1.2;color:var(--navy)}
.sec-title--white{color:#fff}
.blue-txt{color:var(--blue)}
.sec-sub{color:var(--gray600);margin-top:14px;max-width:600px;margin-inline:auto}
.sec-sub--light{color:rgba(255,255,255,.75);max-width:600px;margin-inline:auto;margin-top:14px}

/* ============================================================
   ★ HONEYPOT — скрыт через CSS, боты заполнят, люди не увидят
   ============================================================ */
.hp-wrap{
  /* ВАЖНО: не использовать display:none или visibility:hidden —
     умные боты их игнорируют. CSS-позиционирование вне viewport
     обманывает ботов, но не людей с keyboard-nav */
  position:absolute;
  left:-9999px;
  top:-9999px;
  width:1px;
  height:1px;
  overflow:hidden;
  opacity:0;
  pointer-events:none;
  tab-size:0;
  font-size:0;
  /* Защита от auto-fill браузеров */
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
}
.hp-wrap label,.hp-wrap input{
  display:block;
  width:1px;
  height:1px;
  font-size:0;
  line-height:0;
  border:none;
  padding:0;
  margin:0;
  background:transparent;
  color:transparent;
}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--gray200);
  transition:box-shadow var(--tr);
}
.header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.08)}
.header__inner{
  display:grid;grid-template-columns:auto 1fr auto auto;
  align-items:center;gap:20px;height:70px
}

/* Logo */
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{flex-shrink:0}
.logo__name{display:block;font-family:'Exo 2',sans-serif;font-size:1.6rem;
  font-weight:900;color:var(--blue);line-height:1;letter-spacing:-.02em}
.logo__caption{display:block;font-size:.65rem;font-weight:600;color:var(--gray400);
  text-transform:uppercase;letter-spacing:.1em;line-height:1.2}
.logo-w .logo__name{color:#fff}
.logo-w .logo__caption{color:rgba(255,255,255,.55)}

/* Desktop Nav */
.nav{display:flex;gap:2px}
.nav__a{padding:8px 13px;font-family:'Exo 2',sans-serif;font-size:.88rem;
  font-weight:600;color:var(--gray600);border-radius:6px;transition:var(--tr)}
.nav__a:hover,.nav__a.active{background:var(--blue-l);color:var(--blue)}

/* Header contacts */
.header__contacts{display:flex;align-items:center;gap:14px}
.hdr-phone{display:flex;align-items:center;gap:6px;font-family:'Exo 2',sans-serif;
  font-size:.875rem;font-weight:700;color:var(--navy)}
.hdr-phone:hover{color:var(--blue)}

/* Burger */
.burger{display:none;flex-direction:column;justify-content:space-between;
  width:26px;height:18px;padding:0}
.burger span{display:block;height:2px;width:100%;background:var(--navy);
  border-radius:2px;transition:var(--tr);transform-origin:center}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Drawer (mobile menu) */
.drawer{
  position:fixed;inset:0;z-index:1000;
  background:var(--navy);
  display:flex;flex-direction:column;
  transform:translateX(-100%);
  transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.drawer.open{transform:translateX(0)}
.drawer__body{
  padding:80px 32px 48px;
  display:flex;flex-direction:column;gap:36px;height:100%;overflow-y:auto
}
.drawer__nav{display:flex;flex-direction:column;gap:4px}
.drawer__nav a{padding:14px 0;font-family:'Exo 2',sans-serif;font-size:1.35rem;
  font-weight:700;color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.1);
  transition:color var(--tr)}
.drawer__nav a:hover{color:#fff}
.drawer__foot{display:flex;flex-direction:column;gap:10px;margin-top:auto}
.drawer__foot a:not(.btn){font-family:'Exo 2',sans-serif;font-size:1rem;
  font-weight:600;color:rgba(255,255,255,.65)}
.drawer__foot a:not(.btn):hover{color:#fff}
.drawer-backdrop{
  position:fixed;inset:0;z-index:999;
  background:rgba(0,0,0,.5);
  opacity:0;pointer-events:none;
  transition:opacity var(--tr);
}
.drawer-backdrop.show{opacity:1;pointer-events:auto}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;overflow:hidden;
  padding:90px 0 80px;
  min-height:calc(100vh - 70px);
  display:flex;align-items:center;
}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(135deg, #061236 0%, #0b1b4d 40%, #0f2260 100%);
}
/* SVG circuit-board pattern overlay */
.hero__bg::before{
  content:'';
  position:absolute;inset:0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'%3E%3Crect x='10' y='10' width='60' height='60' rx='4'/%3E%3Ccircle cx='10' cy='10' r='3'/%3E%3Ccircle cx='70' cy='10' r='3'/%3E%3Ccircle cx='10' cy='70' r='3'/%3E%3Ccircle cx='70' cy='70' r='3'/%3E%3Cline x1='10' y1='40' x2='70' y2='40'/%3E%3Cline x1='40' y1='10' x2='40' y2='70'/%3E%3C/g%3E%3C/svg%3E");
  background-size:80px 80px;
}
/* Radial glow */
.hero__bg::after{
  content:'';
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 60% at 70% 50%, rgba(0,87,255,.28) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(255,107,53,.18) 0%, transparent 60%);
}
.hero__grid-lines{
  position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:60px 60px;
  pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.hero__wrap{
  display:grid;grid-template-columns:1fr 1fr;
  gap:64px;align-items:center
}

/* Hero content */
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.85);font-family:'Exo 2',sans-serif;
  font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  padding:7px 14px;border-radius:40px;margin-bottom:20px
}
.hero__badge-dot{
  width:7px;height:7px;background:#4ade80;border-radius:50%;
  animation:blink 2s ease-in-out infinite
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero__h1{
  font-family:'Exo 2',sans-serif;font-size:clamp(2rem,4.5vw,3.1rem);
  font-weight:900;color:#fff;line-height:1.1;margin-bottom:20px;letter-spacing:-.01em
}
.hero__h1-blue{display:block;color:#60a5fa}
.hero__lead{color:rgba(255,255,255,.72);font-size:1.05rem;margin-bottom:32px;max-width:500px}

/* Hero Form #1 */
.hero-form{margin-bottom:36px}
.hero-form__fields{
  display:grid;grid-template-columns:1fr 1fr auto;
  gap:10px;align-items:start
}
.hff-group{position:relative}
.hff-group input{
  width:100%;padding:14px 16px;
  background:rgba(255,255,255,.12);
  border:1.5px solid rgba(255,255,255,.2);
  border-radius:8px;color:#fff;
  font-family:'Nunito Sans',sans-serif;font-size:.9rem;
  transition:var(--tr);outline:none
}
.hff-group input::placeholder{color:rgba(255,255,255,.5)}
.hff-group input:focus{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5)}
.hff-group input.is-err{border-color:#fc8181}
.hero-form__note{
  display:flex;align-items:center;gap:6px;
  color:rgba(255,255,255,.4);font-size:.78rem;margin-top:10px
}

/* Hero counters */
.hero__counters{
  display:flex;align-items:center;gap:0;
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:28px
}
.hero__counter{padding:0 28px 0 0}
.hero__counter:first-child{padding-left:0}
.hero__counter strong{
  display:block;font-family:'Exo 2',sans-serif;
  font-size:1.9rem;font-weight:900;color:#fff;line-height:1
}
.hero__counter strong sup{font-size:.7em;vertical-align:super}
.hero__counter span{font-size:.8rem;color:rgba(255,255,255,.55);margin-top:3px;display:block}
.hero__counter-divider{
  width:1px;height:40px;background:rgba(255,255,255,.15);
  margin:0 28px 0 0
}

/* Hero Mockup Visual */
.hero__visual{display:flex;justify-content:flex-end}
.hero__mockup{
  position:relative;width:420px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);
  overflow:visible;backdrop-filter:blur(8px)
}
.hm__bar{
  display:flex;align-items:center;gap:7px;
  padding:12px 16px;
  background:rgba(0,0,0,.25);
  border-bottom:1px solid rgba(255,255,255,.08)
}
.hm__dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.25)}
.hm__dot:nth-child(1){background:#ff5f57}
.hm__dot:nth-child(2){background:#febc2e}
.hm__dot:nth-child(3){background:#28c840}
.hm__url{margin-left:10px;font-size:.75rem;color:rgba(255,255,255,.4);font-family:'Exo 2',sans-serif}
.hm__body{padding:20px}
.hm__chart{margin-bottom:16px}
.hm__bars{
  display:flex;align-items:flex-end;gap:8px;height:120px;
  background:rgba(0,0,0,.15);border-radius:8px;padding:12px 12px 0
}
.hm__b{
  flex:1;background:rgba(255,255,255,.2);border-radius:4px 4px 0 0;
  height:var(--bh);position:relative;transition:height .6s ease
}
.hm__b--hi{background:var(--blue)}
.hm__b em{
  position:absolute;bottom:-18px;left:50%;transform:translateX(-50%);
  font-style:normal;font-size:.6rem;color:rgba(255,255,255,.4);white-space:nowrap
}
.hm__kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}
.hm__kpi{
  background:rgba(255,255,255,.07);border-radius:8px;
  padding:10px;text-align:center
}
.hm__kpi span{display:block;font-family:'Exo 2',sans-serif;font-size:1.05rem;font-weight:800;color:#fff}
.hm__kpi em{display:block;font-style:normal;font-size:.65rem;color:rgba(255,255,255,.45);margin-top:2px}
.hm__kpi--up span{color:#4ade80}
.hm__kpi--dn span{color:#f87171}
.hm__pill{
  position:absolute;display:flex;align-items:center;gap:6px;
  background:rgba(0,87,255,.85);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-family:'Exo 2',sans-serif;font-size:.75rem;font-weight:700;
  padding:7px 12px;border-radius:30px;white-space:nowrap;backdrop-filter:blur(8px)
}
.hm__pill--1{top:-14px;right:20px;animation:float 5s ease-in-out infinite}
.hm__pill--2{bottom:-14px;left:20px;animation:float 5s ease-in-out infinite;animation-delay:-2.5s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ============================================================
   TASKS
   ============================================================ */
.tasks{background:var(--gray50)}
.tasks__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px
}
.task-card{
  background:#fff;border-radius:var(--r);padding:28px 24px;
  border:2px solid var(--gray200);transition:var(--tr);position:relative
}
.task-card:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-4px)}
.task-card--cta{background:var(--blue-l);border-color:var(--blue)}
.task-card__ico{
  width:44px;height:44px;border-radius:10px;background:var(--blue-l);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px
}
.task-card__ico svg{width:20px;height:20px;stroke:var(--blue)}
.task-card--cta .task-card__ico{background:rgba(0,87,255,.15)}
.task-card p{font-size:.9rem;color:var(--gray600);line-height:1.6}
.task-card strong{color:var(--navy)}
.task-card__link{
  display:inline-block;margin-top:10px;color:var(--blue);
  font-family:'Exo 2',sans-serif;font-weight:700;font-size:.875rem
}
.task-card__link:hover{text-decoration:underline}

/* ============================================================
   INSTRUMENTS
   ============================================================ */
.instruments{
  position:relative;overflow:hidden;
  background:var(--navy)
}
.instruments__bg{
  position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg, #0b1b4d 0%, #0d1f5a 100%);
}
.instruments__bg::before{
  content:'';position:absolute;inset:0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cdefs%3E%3CradialGradient id='g' cx='50%25' cy='50%25' r='50%25'%3E%3Cstop offset='0%25' stop-color='%230057FF' stop-opacity='0.08'/%3E%3Cstop offset='100%25' stop-color='transparent' stop-opacity='0'/%3E%3C/radialGradient%3E%3C/defs%3E%3Crect width='100' height='100' fill='url(%23g)'/%3E%3C/svg%3E");
  background-size:200px 200px;
}
.instruments__bg::after{
  content:'';position:absolute;
  top:0;right:0;bottom:0;width:50%;
  background:radial-gradient(ellipse at 80% 50%,rgba(0,87,255,.2) 0%,transparent 70%);
}
.instruments .container{position:relative;z-index:1}

.instr-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:2px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-lg);overflow:hidden
}
.ic{
  background:rgba(255,255,255,.04);
  padding:32px 28px;
  transition:var(--tr);
  display:flex;flex-direction:column;gap:0;
}
.ic:hover{background:rgba(255,255,255,.09)}
.ic__hd{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:14px}
.ic__ico{
  width:44px;height:44px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0
}
.ic__ico svg{width:20px;height:20px}
.ic__ico--blue{background:rgba(0,87,255,.25)}
.ic__ico--blue svg{stroke:#60a5fa}
.ic__ico--green{background:rgba(52,211,153,.2)}
.ic__ico--green svg{stroke:#34d399}
.ic__ico--violet{background:rgba(167,139,250,.2)}
.ic__ico--violet svg{stroke:#a78bfa}
.ic__ico--orange{background:rgba(251,146,60,.2)}
.ic__ico--orange svg{stroke:#fb923c}
.ic__ico--red{background:rgba(248,113,113,.2)}
.ic__ico--red svg{stroke:#f87171}
.ic__ico--teal{background:rgba(45,212,191,.2)}
.ic__ico--teal svg{stroke:#2dd4bf}
.ic__ico--yellow{background:rgba(251,191,36,.2)}
.ic__ico--yellow svg{stroke:#fbbf24}
.ic__n{font-family:'Exo 2',sans-serif;font-size:.7rem;font-weight:800;
  letter-spacing:.1em;color:rgba(255,255,255,.25)}
.ic h3{font-family:'Exo 2',sans-serif;font-size:.95rem;font-weight:700;
  color:#fff;margin-bottom:10px;line-height:1.3}
.ic p{font-size:.83rem;color:rgba(255,255,255,.6);line-height:1.65;flex:1}
.ic__lnk{margin-top:16px;color:rgba(0,87,255,.8);font-size:.82rem;font-weight:700;
  font-family:'Exo 2',sans-serif;transition:color var(--tr)}
.ic__lnk:hover{color:#60a5fa}

/* CTA card in instruments grid */
.ic--cta{
  background:var(--blue);grid-row:span 1
}
.ic--cta:hover{background:var(--blue-d)}
.ic--cta h3{color:#fff;font-size:1.1rem}
.ic--cta p{color:rgba(255,255,255,.8);margin-bottom:20px}
.mini-form{display:flex;flex-direction:column;gap:10px;flex:1}
.mf-group input{
  width:100%;padding:12px 14px;
  background:rgba(255,255,255,.15);border:1.5px solid rgba(255,255,255,.25);
  border-radius:7px;color:#fff;font-family:'Nunito Sans',sans-serif;font-size:.88rem;
  outline:none;transition:var(--tr)
}
.mf-group input::placeholder{color:rgba(255,255,255,.5)}
.mf-group input:focus{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.5)}
.mf-group input.is-err{border-color:#fc8181}

/* ============================================================
   ABOUT
   ============================================================ */
.about{background:#fff}
.about__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:72px;align-items:start}
.about__list{display:flex;flex-direction:column;gap:24px;margin-top:28px}
.about__item{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.about__ico{
  width:42px;height:42px;border-radius:10px;background:var(--blue-l);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px
}
.about__ico svg{stroke:var(--blue)}
.about__item h4{font-family:'Exo 2',sans-serif;font-size:.95rem;font-weight:800;
  color:var(--navy);margin-bottom:6px}
.about__item p{font-size:.875rem;color:var(--gray600);line-height:1.65}

.about__stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about__stat{
  background:var(--gray50);border:2px solid var(--gray200);
  border-radius:var(--r);padding:24px 20px;text-align:center;
  transition:var(--tr)
}
.about__stat:hover{border-color:var(--blue);box-shadow:var(--shadow-sm)}
.about__stat strong{
  display:block;font-family:'Exo 2',sans-serif;font-size:2rem;
  font-weight:900;color:var(--blue);line-height:1;margin-bottom:6px
}
.about__stat strong sup{font-size:.55em;vertical-align:super}
.about__stat span{font-size:.8rem;color:var(--gray600)}

.about__certs{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;
  grid-column:1/-1
}
.cert{display:flex;align-items:center;gap:8px}
.cert__badge{
  width:36px;height:36px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-family:'Exo 2',sans-serif;font-size:.8rem;font-weight:900
}
.cert__badge--g{background:#4285f4;color:#fff}
.cert__badge--ya{background:#fc0;color:#000}
.cert__badge--mt{background:#e84393;color:#fff}
.cert__badge--b{background:#00809d;color:#fff}
.cert__badge--vk{background:#0077ff;color:#fff}
.cert span{font-size:.8rem;color:var(--gray600);font-weight:600}

/* ============================================================
   PROCESS
   ============================================================ */
.process{position:relative;overflow:hidden}
.process__bg{
  position:absolute;inset:0;z-index:0;
  background:var(--gray50);
}
.process__bg::before{
  content:'';position:absolute;inset:0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='1.5' fill='rgba(0,87,255,0.1)'/%3E%3C/svg%3E");
  background-size:60px 60px;
}
.process .container{position:relative;z-index:1}
.process__grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;position:relative
}
.process__grid::before{
  content:'';position:absolute;
  top:32px;left:calc(12.5% + 16px);width:calc(75% - 32px);
  height:2px;background:linear-gradient(90deg,var(--blue) 0%,rgba(0,87,255,.1) 100%);
  z-index:0
}
.proc-step{padding:0 16px;text-align:center;position:relative}
.proc-step__n{
  width:64px;height:64px;border-radius:50%;
  background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:'Exo 2',sans-serif;font-size:1.4rem;font-weight:900;
  margin:0 auto 24px;position:relative;z-index:1;
  box-shadow:0 4px 20px rgba(0,87,255,.4)
}
.proc-step__line{display:none}
.proc-step h3{font-family:'Exo 2',sans-serif;font-size:.95rem;font-weight:800;
  color:var(--navy);margin-bottom:10px}
.proc-step p{font-size:.85rem;color:var(--gray600);line-height:1.65}

/* ============================================================
   RESULTS
   ============================================================ */
.results{background:#fff}
.results__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.res-card{
  background:var(--gray50);border-radius:var(--r);padding:32px 24px;
  border:2px solid var(--gray200);transition:var(--tr);text-align:center
}
.res-card:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-4px)}
.res-card__ico{
  width:56px;height:56px;border-radius:12px;background:var(--blue-l);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px
}
.res-card__ico svg{width:24px;height:24px;stroke:var(--blue)}
.res-card h4{font-family:'Exo 2',sans-serif;font-size:.95rem;font-weight:800;
  color:var(--navy);margin-bottom:10px}
.res-card p{font-size:.85rem;color:var(--gray600);line-height:1.65}

/* ============================================================
   PRICING BANNER
   ============================================================ */
.price-banner{position:relative;overflow:hidden;padding:72px 0}
.price-banner__bg{
  position:absolute;inset:0;z-index:0;
  background:linear-gradient(135deg,var(--blue) 0%,var(--blue-d) 100%);
}
.price-banner__bg::before{
  content:'';position:absolute;inset:0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Ccircle cx='60' cy='60' r='50' fill='none' stroke='rgba(255,255,255,0.05)' stroke-width='1'/%3E%3Ccircle cx='60' cy='60' r='30' fill='none' stroke='rgba(255,255,255,0.05)' stroke-width='1'/%3E%3C/svg%3E");
  background-size:120px 120px;
}
.price-banner .container{position:relative;z-index:1}
.price-banner__wrap{
  display:grid;grid-template-columns:1fr auto;
  gap:48px;align-items:center
}
.price-banner__label{
  font-size:.85rem;color:rgba(255,255,255,.7);margin-bottom:12px;
  font-family:'Exo 2',sans-serif;font-weight:600;text-transform:uppercase;letter-spacing:.08em
}
.price-banner__price{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.price-banner__price span,.price-banner__price em{
  font-size:1rem;color:rgba(255,255,255,.7);font-style:normal
}
.price-banner__price strong{
  font-family:'Exo 2',sans-serif;font-size:clamp(2rem,4vw,2.75rem);
  font-weight:900;color:#fff
}
.price-banner__note{color:rgba(255,255,255,.7);font-size:.9rem;margin-bottom:28px;max-width:500px}
.price-banner__deco{position:relative;width:180px;height:180px}
.pb-ring{
  position:absolute;border-radius:50%;border:1.5px solid rgba(255,255,255,.15);
  animation:spin-slow 20s linear infinite
}
.pb-ring--1{inset:0;animation-duration:25s}
.pb-ring--2{inset:20px;border-style:dashed;animation-direction:reverse;animation-duration:18s}
.pb-ring--3{inset:40px;animation-duration:12s}
.pb-icon{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  opacity:.4
}
@keyframes spin-slow{to{transform:rotate(360deg)}}

/* ============================================================
   CASES
   ============================================================ */
.cases{background:var(--gray50)}
.cases__grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.case-card{
  background:#fff;border-radius:var(--r-lg);padding:36px;
  border:2px solid var(--gray200);transition:var(--tr)
}
.case-card:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.case-card--dark{background:var(--navy);border-color:transparent;color:#fff}
.case-card--dark:hover{border-color:rgba(255,255,255,.25)}
.case-card__tag{
  display:inline-block;background:var(--blue-l);color:var(--blue);
  font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  padding:4px 12px;border-radius:40px;margin-bottom:14px
}
.case-card h3{font-family:'Exo 2',sans-serif;font-size:1.1rem;font-weight:800;
  color:var(--navy);margin-bottom:20px}
.case-card--dark h3{color:#fff}
.case-card__metrics{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px
}
.case-m{
  background:var(--gray50);border-radius:var(--r);padding:14px;
}
.case-card--dark .case-m{background:rgba(255,255,255,.08)}
.case-m strong{display:block;font-family:'Exo 2',sans-serif;font-size:1.6rem;
  font-weight:900;color:var(--blue);line-height:1;margin-bottom:4px}
.case-card--dark .case-m strong{color:#60a5fa}
.case-m span{font-size:.78rem;color:var(--gray600)}
.case-card--dark .case-m span{color:rgba(255,255,255,.55)}
.case-card p{font-size:.875rem;color:var(--gray600);margin-bottom:12px}
.case-card--dark p{color:rgba(255,255,255,.65)}
.case-card__logo-text{
  font-family:'Exo 2',sans-serif;font-size:1.75rem;font-weight:900;
  color:#60a5fa;margin-bottom:20px
}
.case-card blockquote{
  font-size:1rem;color:rgba(255,255,255,.85);font-style:italic;
  line-height:1.75;margin-bottom:20px;padding-left:20px;position:relative
}
.case-card blockquote::before{
  content:'"';position:absolute;left:0;top:-8px;
  font-size:2.5rem;color:var(--blue);font-style:normal;line-height:1
}
.case-card__author{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.case-card__av{
  width:44px;height:44px;border-radius:50%;background:var(--blue);
  display:flex;align-items:center;justify-content:center;
  font-family:'Exo 2',sans-serif;font-size:.8rem;font-weight:800;color:#fff;flex-shrink:0
}
.case-card__author strong{display:block;font-family:'Exo 2',sans-serif;
  font-size:.9rem;font-weight:800;color:#fff}
.case-card__author span{font-size:.8rem;color:rgba(255,255,255,.55)}
.case-card__cert-note{
  font-size:.8rem;color:rgba(255,255,255,.4);
  border-top:1px solid rgba(255,255,255,.1);padding-top:16px;margin-top:4px
}

/* ============================================================
   FAQ
   ============================================================ */
.faq{background:#fff}
.faq__layout{display:grid;grid-template-columns:300px 1fr;gap:72px;align-items:start}
.faq__left .sec-title{text-align:left;margin-bottom:16px}
.faq__sub{color:var(--gray600);font-size:.9rem;margin-bottom:28px;line-height:1.65}
.faq__items{display:flex;flex-direction:column;gap:6px}
.fq{
  border:2px solid var(--gray200);border-radius:var(--r);
  overflow:hidden;transition:border-color var(--tr)
}
.fq:has(.fq__q[aria-expanded="true"]){border-color:var(--blue)}
.fq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:18px 20px;text-align:left;
  font-family:'Exo 2',sans-serif;font-size:.9rem;font-weight:700;color:var(--navy);
  transition:color var(--tr)
}
.fq__q:hover{color:var(--blue)}
.fq__arr{flex-shrink:0;transition:transform var(--tr)}
.fq__q[aria-expanded="true"] .fq__arr{transform:rotate(180deg)}
.fq__a{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1)}
.fq__a.open{max-height:500px}
.fq__a p{padding:0 20px 18px;font-size:.875rem;color:var(--gray600);line-height:1.7}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testi{background:var(--gray50)}
.testi__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{
  background:#fff;border-radius:var(--r-lg);padding:32px;
  border:2px solid var(--gray200);transition:var(--tr)
}
.testi-card:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.testi-card__stars{font-size:1rem;color:#fbbf24;margin-bottom:14px}
.testi-card p{font-size:.9rem;color:var(--gray600);line-height:1.7;
  font-style:italic;margin-bottom:20px}
.testi-card__author{display:flex;align-items:center;gap:12px}
.testi-card__av{
  width:40px;height:40px;border-radius:50%;background:var(--blue);
  display:flex;align-items:center;justify-content:center;
  font-family:'Exo 2',sans-serif;font-size:.75rem;font-weight:800;color:#fff;flex-shrink:0
}
.testi-card__author strong{display:block;font-size:.875rem;font-weight:700;color:var(--navy)}
.testi-card__author span{font-size:.78rem;color:var(--gray400)}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact{position:relative;overflow:hidden;padding:80px 0}
.contact__bg{
  position:absolute;inset:0;z-index:0;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 100%);
}
.contact__bg::before{
  content:'';position:absolute;inset:0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='1'%3E%3Crect x='10' y='10' width='100' height='100' rx='8'/%3E%3Ccircle cx='60' cy='60' r='40'/%3E%3Cline x1='10' y1='60' x2='110' y2='60'/%3E%3Cline x1='60' y1='10' x2='60' y2='110'/%3E%3C/g%3E%3C/svg%3E");
  background-size:120px 120px;
}
.contact__bg::after{
  content:'';position:absolute;
  left:0;top:0;bottom:0;width:55%;
  background:radial-gradient(ellipse at 20% 50%,rgba(0,87,255,.18) 0%,transparent 65%);
}
.contact .container{position:relative;z-index:1}
.contact__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:72px;align-items:start}

/* Left side */
.contact__left .sec-title{text-align:left;margin-bottom:12px}
.contact__sub{color:rgba(255,255,255,.7);font-size:.95rem;margin-bottom:28px}
.contact__infos{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.contact__info-row{
  display:flex;align-items:center;gap:10px;
  font-family:'Exo 2',sans-serif;font-weight:700;font-size:.95rem;
  color:rgba(255,255,255,.85);transition:color var(--tr)
}
.contact__info-row:hover{color:#fff}
.contact__info-row svg{stroke:rgba(255,255,255,.5);flex-shrink:0}
.contact__checks{display:flex;flex-direction:column;gap:10px}
.contact__checks li{
  display:flex;align-items:center;gap:8px;
  font-size:.875rem;color:rgba(255,255,255,.65)
}
.contact__checks li svg{stroke:#4ade80;flex-shrink:0}

/* Form */
.cform{
  background:#fff;border-radius:var(--r-lg);padding:40px;
  box-shadow:0 20px 60px rgba(0,0,0,.3)
}
.cform__title{
  font-family:'Exo 2',sans-serif;font-size:1.35rem;font-weight:900;
  color:var(--navy);margin-bottom:6px
}
.cform__sub{font-size:.85rem;color:var(--gray600);margin-bottom:24px}
.cform__row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fg{margin-bottom:16px}
.fg label{
  display:block;font-family:'Exo 2',sans-serif;font-size:.8rem;
  font-weight:700;color:var(--navy);margin-bottom:6px;text-transform:uppercase;letter-spacing:.06em
}
.fg label em{color:#f87171;font-style:normal}
.fg input,.fg textarea{
  width:100%;padding:12px 14px;
  border:2px solid var(--gray200);border-radius:8px;
  font-family:'Nunito Sans',sans-serif;font-size:.9rem;color:var(--navy);
  background:var(--gray50);outline:none;transition:var(--tr)
}
.fg input:focus,.fg textarea:focus{
  border-color:var(--blue);background:#fff
}
.fg input.is-err,.fg textarea.is-err{border-color:#f87171}
.fg textarea{resize:vertical;min-height:100px}

/* Checkbox */
.fg--check{margin-bottom:20px}
.chk-label{
  display:flex;align-items:flex-start;gap:10px;
  font-size:.85rem;color:var(--gray600);cursor:pointer
}
.chk-label input[type="checkbox"]{display:none}
.chk-box{
  width:20px;height:20px;border-radius:4px;
  border:2px solid var(--gray200);background:var(--gray50);
  flex-shrink:0;margin-top:1px;transition:var(--tr);position:relative
}
.chk-label input:checked ~ .chk-box{background:var(--blue);border-color:var(--blue)}
.chk-label input:checked ~ .chk-box::after{
  content:'';position:absolute;left:4px;top:1px;
  width:6px;height:10px;border:2px solid #fff;
  border-top:none;border-left:none;transform:rotate(45deg)
}
.txt-link{color:var(--blue);text-decoration:underline}

/* Form error message */
.ferr{display:block;color:#f87171;font-size:.78rem;margin-top:4px;min-height:16px}
.form-err-box{
  background:#fff5f5;border:1px solid #feb2b2;border-radius:8px;
  padding:12px 14px;font-size:.85rem;color:#c53030;margin-top:12px
}
.form-err-box a{color:var(--blue);text-decoration:underline}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--navy);color:rgba(255,255,255,.6);padding:68px 0 28px}
.footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;
  gap:48px;margin-bottom:48px
}
.footer__brand p{font-size:.85rem;line-height:1.7;margin-top:14px;max-width:280px}
.footer__contacts{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.footer__contacts a{font-size:.85rem;transition:color var(--tr)}
.footer__contacts a:hover{color:#fff}
.footer__col h4{
  font-family:'Exo 2',sans-serif;font-size:.75rem;font-weight:800;
  color:rgba(255,255,255,.9);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px
}
.footer__col ul{display:flex;flex-direction:column;gap:8px}
.footer__col ul a{font-size:.85rem;transition:color var(--tr);line-height:1.4}
.footer__col ul a:hover{color:#fff}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:12px;font-size:.8rem
}
.footer__bottom a:hover{color:#fff}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.rv{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.rv.visible{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE — Tablet ≤ 1024px
   ============================================================ */
@media(max-width:1024px){
  .header__inner{grid-template-columns:auto 1fr auto auto}
  .nav,.header__contacts .hdr-phone{display:none}
  .burger{display:flex}

  .hero__wrap{grid-template-columns:1fr;gap:40px}
  .hero__visual{display:none}
  .hero{min-height:auto;padding:72px 0 56px}
  .hero-form__fields{grid-template-columns:1fr;gap:10px}
  .hero-form__fields .btn{width:100%}

  .tasks__grid{grid-template-columns:repeat(2,1fr)}
  .instr-grid{grid-template-columns:repeat(2,1fr)}
  .about__grid{grid-template-columns:1fr;gap:48px}
  .about__stats{grid-template-columns:repeat(4,1fr)}
  .about__certs{flex-wrap:wrap}
  .process__grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .process__grid::before{display:none}
  .results__grid{grid-template-columns:repeat(2,1fr)}
  .price-banner__wrap{grid-template-columns:1fr}
  .price-banner__deco{display:none}
  .cases__grid{grid-template-columns:1fr}
  .faq__layout{grid-template-columns:1fr;gap:36px}
  .testi__grid{grid-template-columns:repeat(2,1fr)}
  .contact__grid{grid-template-columns:1fr;gap:48px}
  .footer__grid{grid-template-columns:1fr 1fr}
}

/* ============================================================
   RESPONSIVE — Mobile ≤ 640px
   ============================================================ */
@media(max-width:640px){
  section{padding:56px 0}
  .header__contacts{display:none}

  .hero__h1{font-size:1.9rem}
  .hero__counters{flex-wrap:wrap;gap:16px;padding-top:20px}
  .hero__counter{padding:0}
  .hero__counter-divider{display:none}

  .tasks__grid{grid-template-columns:1fr}
  .instr-grid{grid-template-columns:1fr}
  .about__stats{grid-template-columns:1fr 1fr}
  .process__grid{grid-template-columns:1fr}
  .results__grid{grid-template-columns:1fr}
  .cases__grid{grid-template-columns:1fr}
  .case-card__metrics{grid-template-columns:1fr 1fr}
  .testi__grid{grid-template-columns:1fr}
  .cform{padding:24px 18px}
  .cform__row-2{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .footer__bottom{flex-direction:column;text-align:center}
}