/* ════════════════════════════════
   Constrakshen Word — style.css
   ════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red:    #CC1818;
  --red-h:  #A81010;
  --navy:   #0F2240;
  --navy-l: #19335A;
  --white:  #FFFFFF;
  --bg:     #F5F6F8;
  --card:   #FFFFFF;
  --border: #DDE1E9;
  --text:   #141820;
  --muted:  #6B7280;
  --light:  #9CA3AF;

  --r:   6px;
  --shadow:   0 1px 8px rgba(15,34,64,.07);
  --shadow-h: 0 4px 20px rgba(15,34,64,.13);
  --ff: 'Inter', sans-serif;
  --fw-body: 400;
  --fw-med:  500;
  --fw-bold: 700;
  --fw-black: 900;
}

html { scroll-behavior: smooth; }
body { font-family: var(--ff); font-weight: var(--fw-body); background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: var(--red); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* ── LABEL / TAG ── */
.tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .7rem; font-weight: 700; color: var(--red);
  letter-spacing: .2em; text-transform: uppercase; margin-bottom: 14px;
}
.tag::before { content: ''; width: 24px; height: 2px; background: var(--red); }

/* ── TYPOGRAPHY ── */
.sec-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900; letter-spacing: -.03em; line-height: 1.08; color: var(--navy);
}
.sec-title span { color: var(--red); }
.sec-desc { color: var(--muted); font-size: .93rem; line-height: 1.8; margin-top: 14px; max-width: 520px; }
.sec-head { margin-bottom: 48px; }
.sec-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 48px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff); font-weight: 700; font-size: .85rem;
  letter-spacing: .04em; padding: 12px 26px;
  border-radius: var(--r); border: none; cursor: pointer; transition: all .2s;
}
.btn-red     { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-h); }
.btn-navy    { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-l); }
.btn-outline { background: transparent; color: var(--navy); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--red); color: var(--red); }
.btn-white   { background: #fff; color: var(--navy); }
.btn-white:hover { background: var(--bg); }

/* ═══════════════ HEADER ═══════════════ */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 88px; gap: 20px; }

.logo { display: flex; align-items: center; }
.logo-img { height: 84px; width: auto; object-fit: contain; display: block; border-radius: 0; }
.logo-img-ft {
  height: 110px;
}

nav ul { list-style: none; display: flex; gap: 2px; }
nav a { font-size: .82rem; font-weight: 500; color: var(--muted); padding: 7px 12px; border-radius: var(--r); transition: color .2s, background .2s; }
nav a:hover, nav a.on { color: var(--red); background: rgba(204,24,24,.05); }

.nav-tel { font-size: .84rem; font-weight: 700; color: var(--navy); white-space: nowrap; }
.nav-tel:hover { color: var(--red); }

.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.burger span { width: 22px; height: 2px; background: var(--navy); transition: .2s; }

/* ═══════════════ HERO ═══════════════ */
.hero { padding: 128px 0 72px; background: var(--white); }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.hero-label { font-size: .7rem; font-weight: 700; color: var(--red); letter-spacing: .2em; text-transform: uppercase; margin-bottom: 18px; }
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900; line-height: 1.06; letter-spacing: -.03em;
  color: var(--navy); margin-bottom: 18px;
}
.hero h1 span { color: var(--red); }
.hero-desc { font-size: .95rem; color: var(--muted); line-height: 1.75; max-width: 420px; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats { display: flex; border: 1px solid var(--border); }
.hstat { flex: 1; padding: 16px 18px; border-right: 1px solid var(--border); }
.hstat:last-child { border-right: none; }
.hstat .n { font-size: 1.7rem; font-weight: 900; color: var(--navy); letter-spacing: -.04em; line-height: 1; }
.hstat .n em { color: var(--red); font-style: normal; }
.hstat .l { font-size: .68rem; color: var(--muted); margin-top: 3px; }

.hero-img { display: flex; align-items: center; justify-content: center; }
.hero-img img { width: 100%; max-width: 100%; height: auto; object-fit: contain; border-radius: 0; }

/* ═══════════════ CATALOG ═══════════════ */
.catalog { padding: 80px 0; background: var(--bg); }

.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.cat-wide { grid-column: span 2; }

.cat-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r);
  overflow: hidden; box-shadow: var(--shadow);
  transition: box-shadow .22s, transform .22s; cursor: default;
  display: flex; flex-direction: column;
}
.cat-card:hover { box-shadow: var(--shadow-h); transform: translateY(-3px); }

.cat-img { aspect-ratio: 16/9; overflow: hidden; background: var(--bg); flex-shrink: 0; }
.cat-wide .cat-img { aspect-ratio: 21/9; }
.cat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.cat-card:hover .cat-img img { transform: scale(1.04); }

.cat-body { padding: 18px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.cat-num { font-size: .65rem; font-weight: 700; color: var(--red); letter-spacing: .18em; text-transform: uppercase; margin-bottom: 6px; }
.cat-card h3 { font-size: .92rem; font-weight: 700; color: var(--navy); margin-bottom: 7px; }
.cat-card p  { font-size: .78rem; color: var(--muted); line-height: 1.65; flex: 1; }

/* ═══════════════ ABOUT ═══════════════ */
.about { padding: 80px 0; background: var(--white); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }

.about-img { aspect-ratio: 3/4; overflow: hidden; border-radius: var(--r); border: 1px solid var(--border); box-shadow: var(--shadow-h); background: var(--bg); }
.about-img img { width: 100%; height: 100%; object-fit: cover; }

.about-text p { font-size: .92rem; color: var(--muted); line-height: 1.8; margin-bottom: 12px; margin-top: 16px; }
.about-nums { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 28px; }
.anum { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); padding: 18px 20px; }
.anum .n { font-size: 1.9rem; font-weight: 900; color: var(--red); letter-spacing: -.04em; line-height: 1; }
.anum .l { font-size: .7rem; color: var(--muted); margin-top: 4px; }

/* ═══════════════ SOLUTIONS ═══════════════ */
.solutions { padding: 80px 0; background: var(--bg); }
.sol-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }

.sol-text .sec-desc { margin-bottom: 28px; }
.sol-list { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; }
.sol-item {
  display: flex; gap: 14px; padding: 18px 18px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r);
  border-left: 3px solid var(--red); box-shadow: var(--shadow);
  transition: box-shadow .2s;
}
.sol-item:hover { box-shadow: var(--shadow-h); }
.sol-num { font-size: .65rem; font-weight: 800; color: var(--red); letter-spacing: .1em; flex-shrink: 0; margin-top: 3px; }
.sol-item h4 { font-size: .88rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.sol-item p  { font-size: .78rem; color: var(--muted); line-height: 1.65; }

.sol-imgs { display: flex; flex-direction: column; gap: 12px; }
.sol-img { overflow: hidden; border-radius: var(--r); border: 1px solid var(--border); box-shadow: var(--shadow); background: var(--bg); }
.sol-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sol-img:first-child { aspect-ratio: 4/3; }
.sol-img:last-child  { aspect-ratio: 16/9; }

/* ═══════════════ CLIENTS ═══════════════ */
.clients { padding: 64px 0; background: var(--white); }
.clients-head { text-align: center; margin-bottom: 36px; }
.clients-head .sec-desc { margin: 12px auto 0; }

.clients-slider-wrap {
  display: flex; align-items: center; gap: 16px;
}

.slider-btn {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--white); border: 1.5px solid var(--border); border-radius: var(--r);
  font-size: 1.1rem; color: var(--navy); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s, color .2s;
  user-select: none;
}
.slider-btn:hover { background: var(--red); border-color: var(--red); color: #fff; }

.clients-viewport {
  flex: 1; overflow: hidden;
}

.clients-track {
  display: flex; gap: 20px;
  transition: transform .35s ease;
  will-change: transform;
}

.client-img {
  width: 260px;
  height: 170px;
  flex-shrink: 0;
  object-fit: contain;
  transition: transform .25s;
}
.client-img:hover { transform: scale(1.04); }

/* ═══════════════ ADVANTAGES ═══════════════ */
.advantages { padding: 80px 0; background: var(--bg); }
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.adv-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r);
  padding: 30px 24px; box-shadow: var(--shadow);
  transition: box-shadow .22s, transform .22s; cursor: default;
  position: relative; overflow: hidden;
}
.adv-card::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--red); transform: scaleY(0); transform-origin: bottom; transition: transform .25s;
}
.adv-card:hover { box-shadow: var(--shadow-h); transform: translateY(-3px); }
.adv-card:hover::after { transform: scaleY(1); }
.adv-num { font-size: .65rem; font-weight: 800; color: var(--red); letter-spacing: .2em; margin-bottom: 14px; display: block; }
.adv-card h3 { font-size: .92rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.adv-card p  { font-size: .8rem; color: var(--muted); line-height: 1.7; }

/* ═══════════════ CTA ═══════════════ */
.cta { background: var(--navy); padding: 64px 0; position: relative; overflow: hidden; }
.cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(204,24,24,.2) 0%, transparent 60%);
}
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 900; color: #fff; letter-spacing: -.02em; max-width: 560px; }
.cta p  { font-size: .88rem; color: rgba(255,255,255,.55); margin-top: 8px; }

/* ═══════════════ CONTACTS ═══════════════ */
.contacts { padding: 80px 0; background: var(--white); }
.con-inner { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }

.con-info { display: flex; flex-direction: column; gap: 10px; }
.con-block { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); padding: 18px 20px; }
.con-lbl  { font-size: .65rem; font-weight: 700; color: var(--red); letter-spacing: .18em; text-transform: uppercase; margin-bottom: 4px; }
.con-val  { font-size: .93rem; font-weight: 600; color: var(--navy); }
.con-val a { color: var(--navy); transition: color .2s; }
.con-val a:hover { color: var(--red); }
.con-note { font-size: .72rem; color: var(--muted); margin-top: 2px; }

.con-socials { display: flex; gap: 10px; margin-top: 10px; }
.soc-btn {
  width: 46px; height: 46px; border-radius: var(--r);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); transition: all .2s;
}
.soc-btn svg { flex-shrink: 0; }
.soc-btn:hover { background: var(--red); border-color: var(--red); color: #fff; }

.con-form { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); padding: 36px; box-shadow: var(--shadow); }
.form-title { font-size: 1.4rem; font-weight: 800; color: var(--navy); margin-bottom: 4px; letter-spacing: -.02em; }
.form-sub   { font-size: .82rem; color: var(--muted); margin-bottom: 24px; }
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fg         { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.fg label   { font-size: .68rem; font-weight: 600; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.fg input, .fg select, .fg textarea {
  background: var(--white); border: 1.5px solid var(--border); border-radius: var(--r);
  color: var(--text); font-family: var(--ff); font-size: .88rem;
  padding: 10px 14px; outline: none; width: 100%; transition: border-color .2s, box-shadow .2s;
}
.fg input:focus, .fg select:focus, .fg textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(204,24,24,.08); }
.fg input::placeholder, .fg textarea::placeholder { color: var(--border); }
.fg select option { background: var(--white); }
.fg textarea { resize: vertical; min-height: 86px; }
.form-footer { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.form-note   { font-size: .7rem; color: var(--muted); }
.form-note a { color: var(--red); }

/* ═══════════════ FOOTER ═══════════════ */
footer { background: var(--navy); color: rgba(255,255,255,.6); padding: 52px 0 24px; }
.ft-top {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: 48px;
  padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 22px;
}
.ft-desc { font-size: .82rem; line-height: 1.75; max-width: 280px; margin-top: 14px; }
.ft-col h4 { font-size: .68rem; font-weight: 700; color: rgba(255,255,255,.9); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.ft-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.ft-col ul a { font-size: .82rem; color: rgba(255,255,255,.45); transition: color .2s; }
.ft-col ul a:hover { color: var(--red); }
.ft-bot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.ft-bot p   { font-size: .73rem; color: rgba(255,255,255,.3); }
.ft-bot a   { color: rgba(255,255,255,.35); transition: color .2s; }
.ft-bot a:hover { color: var(--red); }

/* ═══════════════ REVEAL ═══════════════ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .45s ease, transform .45s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1040px) {
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .cat-wide { grid-column: span 1; }
  .cat-wide .cat-img { aspect-ratio: 16/9; }
  .clients-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 860px) {
  .hero-inner, .about-inner, .sol-inner, .con-inner { grid-template-columns: 1fr; gap: 32px; }
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .ft-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  nav ul { display: none; }
  .burger { display: flex; }
  .btn-nav-hide { display: none; }
  .nav { height: 68px; }
  .logo-img { height: 56px; }
  .hero { padding-top: 108px; }
  .cat-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .ft-top { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; }
}