:root {
  --navy: #0a1724;
  --navy-2: #10283a;
  --ink: #172b38;
  --steel: #53656c;
  --muted: #6b7b82;
  --paper: #f5f7f5;
  --mist: #e9f0ef;
  --white: #fff;
  --line: #d3dfde;
  --cyan: #1db7cb;
  --cyan-deep: #098799;
  --orange: #f2a51a;
  --red: #d8233a;
  --max: 1320px;
  --shadow: 0 18px 40px rgba(9, 29, 42, .14);
  --series: var(--cyan);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Arial Narrow", "Aptos", "Segoe UI", Arial, sans-serif; line-height: 1.5; }
body.no-scroll { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.wrap { width: min(var(--max), calc(100% - 64px)); margin: 0 auto; }
.utility { min-height: 34px; display: flex; align-items: center; justify-content: flex-end; gap: 22px; padding: 7px 32px; color: var(--steel); background: #eef2f0; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.utility a:hover { color: var(--red); }
.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); backdrop-filter: blur(12px); }
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; min-width: 198px; }
.brand img { display: block; width: 146px; height: auto; }
.main-nav { display: flex; align-self: stretch; align-items: center; gap: 29px; margin-left: auto; }
.main-nav a { position: relative; display: inline-flex; align-items: center; height: 100%; color: #3a4d57; font-size: 12px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.main-nav a::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.main-nav a:hover::after, .main-nav a.is-active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: var(--white); color: var(--navy); font-size: 21px; }
.btn { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 18px; border: 1px solid transparent; border-radius: 0; font-size: 12px; font-weight: 900; letter-spacing: .1em; text-align: center; text-transform: uppercase; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(1px) scale(.98); }
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: #b8172c; }
.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--navy-2); }
.btn-outline { border-color: #8aa0aa; color: var(--navy); background: transparent; }
.btn-outline:hover { border-color: var(--cyan-deep); color: var(--cyan-deep); }
.eyebrow, .section-kicker { margin: 0; color: var(--series); font-size: 11px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.crumbs { padding: 15px 0; border-bottom: 1px solid var(--line); color: #738187; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.crumbs span { margin: 0 8px; color: #abb7bb; }
.hero { position: relative; overflow: hidden; background: var(--navy); color: var(--white); }
.hero-grid { min-height: 555px; display: grid; grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr); align-items: stretch; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 78px 60px 74px 0; }
.hero h1 { max-width: 630px; margin: 19px 0 21px; color: var(--white); font-size: clamp(45px, 5.8vw, 82px); line-height: .91; letter-spacing: -.06em; text-wrap: balance; }
.hero-lede { max-width: 520px; margin: 0; color: #c5d3d7; font-size: 17px; }
.hero-proof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; max-width: 520px; margin-top: 42px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.22); }
.hero-proof strong { display: block; margin-bottom: 4px; color: var(--orange); font-size: 24px; line-height: 1; letter-spacing: -.05em; }
.hero-proof span { display: block; color: #a8b9be; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero-media { position: relative; min-height: 555px; display: flex; align-items: flex-end; overflow: hidden; background: #193544 center/cover no-repeat; }
.hero-media::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(9,24,37,.16), rgba(9,24,37,.88)), repeating-linear-gradient(115deg, transparent 0 35px, rgba(255,255,255,.06) 35px 36px); }
.hero-frame { position: absolute; inset: 13%; border: 1px solid rgba(255,255,255,.3); }
.hero-frame::before { content: "BT / SERIES"; position: absolute; top: 25px; left: 27px; color: var(--orange); font-size: 34px; font-weight: 900; letter-spacing: -.08em; }
.hero-frame::after { content: "BORTTE / FIELD EQUIPMENT"; position: absolute; right: 25px; top: 29px; color: rgba(255,255,255,.72); font-size: 10px; letter-spacing: .15em; }
.hero-tag { position: relative; z-index: 1; width: min(570px, 90%); margin-left: auto; padding: 24px 29px 26px; background: var(--red); }
.hero-tag span { display: block; margin-bottom: 7px; color: #ffd9dc; font-size: 10px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.hero-tag strong { display: block; color: var(--white); font-size: clamp(22px, 2.7vw, 38px); line-height: 1.02; letter-spacing: -.05em; }
.series-nav { border-bottom: 1px solid var(--line); background: var(--white); }
.series-nav-inner { display: flex; align-items: center; gap: 22px; min-height: 62px; overflow-x: auto; scrollbar-width: none; }
.series-nav-inner::-webkit-scrollbar { display: none; }
.series-label { flex: 0 0 auto; color: var(--steel); font-size: 10px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.series-links { display: flex; align-items: stretch; gap: 21px; min-height: 62px; }
.series-links a { position: relative; display: inline-flex; align-items: center; flex: 0 0 auto; color: var(--steel); font-size: 12px; font-weight: 800; white-space: nowrap; }
.series-links a:hover, .series-links a.is-current { color: var(--red); }
.series-links a.is-current::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: var(--red); }
.section { padding: 92px 0 100px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 38px; }
h2 { margin: 0; color: var(--navy); font-size: clamp(35px, 4.5vw, 59px); line-height: .95; letter-spacing: -.055em; text-wrap: balance; }
.section-intro { max-width: 440px; margin: 0; color: var(--muted); font-size: 15px; }
.models-section { background: var(--paper); }
.model-board.card-model-board { display: block; }
.product-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; }
.product-card { min-width: 0; min-height: 570px; display: flex; flex-direction: column; padding: 0 24px 26px; border: 1px solid #edf0ef; border-radius: 8px; background: var(--white); box-shadow: 0 10px 28px rgba(9, 29, 42, .08); }
.product-card-media { height: 315px; display: grid; place-items: center; margin: 0 -24px 29px; overflow: hidden; border-bottom: 1px solid var(--line); border-radius: 8px 8px 0 0; background: var(--white); }
.product-card-media img { width: 100%; height: 100%; padding: 22px; object-fit: contain; }
.product-card-code { margin: 0 0 8px; color: var(--red); font-size: 11px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.product-card h3 { min-height: 54px; margin: 0; color: var(--navy); font-size: 24px; line-height: 1.05; letter-spacing: -.04em; }
.product-card p { flex: 1; margin: 25px 0 24px; color: #9aa5ad; font-size: 16px; line-height: 1.48; }
.product-card-link { display: inline-flex; align-items: center; gap: 8px; color: var(--orange); font-size: 15px; font-weight: 900; }
.product-card-link:hover { color: var(--red); }
.model-board { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: 18px; align-items: stretch; }
.feature-model { position: relative; min-height: 532px; display: flex; align-items: flex-end; overflow: hidden; background: var(--navy); color: var(--white); }
.feature-model::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,23,36,.02) 35%, rgba(10,23,36,.92)); }
.feature-model img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 38px 20px 125px; mix-blend-mode: screen; opacity: .86; }
.feature-model-copy { position: relative; z-index: 1; padding: 29px 29px 28px; }
.feature-model-copy small { display: block; margin-bottom: 9px; color: var(--orange); font-size: 10px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.feature-model-copy h3 { margin: 0; color: var(--white); font-size: 57px; line-height: .9; letter-spacing: -.07em; }
.feature-model-copy p { max-width: 35ch; margin: 14px 0 0; color: #c7d4d7; font-size: 14px; }
.feature-model-copy .btn { margin-top: 21px; }
.model-list { border-top: 1px solid var(--line); background: var(--white); }
.model-row { position: relative; display: grid; grid-template-columns: 92px minmax(150px, 1fr) minmax(200px, 1.25fr) 36px; gap: 18px; align-items: center; min-height: 105px; padding: 17px 21px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); transition: background .2s ease, padding .2s ease; }
.model-row:hover, .model-row.is-open { padding-left: 27px; background: #f3f8f7; }
.model-code { color: var(--red); font-size: 21px; font-weight: 900; letter-spacing: -.05em; }
.model-role { color: var(--navy); font-size: 15px; font-weight: 900; line-height: 1.12; }
.model-role span { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; font-weight: 500; }
.model-specs { display: flex; flex-wrap: wrap; gap: 6px 17px; color: var(--steel); font-size: 11px; font-weight: 800; }
.model-specs b { color: var(--ink); font-size: 13px; }
.model-specs span { display: block; color: #839197; font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.model-toggle { width: 32px; height: 32px; border: 1px solid var(--line); background: var(--white); color: var(--navy); font-size: 19px; line-height: 1; }
.model-row.is-open .model-toggle { border-color: var(--red); background: var(--red); color: var(--white); }
.model-detail { grid-column: 2 / -1; display: none; padding: 2px 0 5px; color: var(--muted); font-size: 12px; }
.model-row.is-open .model-detail { display: block; }
.field-section { background: var(--mist); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.field-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(330px, .85fr); gap: 58px; align-items: center; }
.field-copy p:not(.section-kicker) { max-width: 550px; margin: 20px 0 0; color: var(--muted); font-size: 16px; }
.field-list { display: grid; gap: 0; margin: 28px 0 0; padding: 0; list-style: none; max-width: 590px; }
.field-list li { display: flex; align-items: baseline; gap: 13px; padding: 13px 0; border-top: 1px solid var(--line); color: var(--ink); font-size: 14px; }
.field-list li::before { content: ""; width: 7px; height: 7px; flex: 0 0 7px; background: var(--series); }
.field-photo { min-height: 405px; position: relative; overflow: hidden; background: var(--navy); }
.field-photo img { display: block; width: 100%; height: 405px; object-fit: cover; }
.field-photo span { position: absolute; right: 17px; bottom: 16px; padding: 7px 9px; border: 1px solid rgba(255,255,255,.56); color: rgba(255,255,255,.84); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.decision-section { background: var(--white); }
.decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.decision { min-height: 204px; padding: 23px; border: 1px solid var(--line); background: var(--white); }
.decision b { display: block; margin-bottom: 29px; color: var(--series); font-size: 29px; line-height: 1; letter-spacing: -.05em; }
.decision h3 { margin: 0; color: var(--navy); font-size: 18px; line-height: 1.08; }
.decision p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }
.trust-section { background: var(--navy); color: var(--white); }
.trust-section h2 { max-width: 720px; color: var(--white); }
.trust-section .section-kicker { color: var(--orange); }
.trust-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 70px; align-items: center; }
.trust-lede { max-width: 590px; margin: 22px 0 0; color: #c1d0d4; font-size: 16px; }
.trust-list { display: grid; gap: 0; max-width: 590px; margin: 30px 0 0; padding: 0; list-style: none; }
.trust-list li { padding: 14px 0 14px 22px; border-top: 1px solid rgba(255,255,255,.2); color: #eff6f5; font-size: 14px; font-weight: 800; }
.trust-list li::before { content: ""; display: inline-block; width: 7px; height: 7px; margin: 0 15px 1px -22px; background: var(--cyan); }
.trust-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.22); }
.trust-stat { min-height: 165px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px; background: var(--navy-2); }
.trust-stat strong { color: var(--orange); font-size: clamp(30px, 4vw, 54px); line-height: .9; letter-spacing: -.07em; }
.trust-stat span { color: #b8c9cd; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.faq-section { background: var(--paper); }
.faq-list { max-width: 980px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0; }
.faq-toggle { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 23px 0; border: 0; background: transparent; color: var(--navy); font-size: 18px; font-weight: 900; text-align: left; }
.faq-toggle b { width: 32px; height: 32px; display: grid; flex: 0 0 32px; place-items: center; border: 1px solid var(--line); color: var(--red); font-size: 20px; font-weight: 400; }
.faq-item.is-open .faq-toggle b { background: var(--red); color: var(--white); }
.faq-answer { display: none; max-width: 760px; padding: 0 60px 24px 0; color: var(--muted); font-size: 14px; }
.faq-item.is-open .faq-answer { display: block; }
.rfq { position: relative; overflow: hidden; padding: 86px 0 95px; background: var(--red); color: var(--white); }
.rfq::after { content: "BORTTE / RFQ"; position: absolute; right: 4vw; bottom: 27px; color: rgba(255,255,255,.24); font-size: 11px; font-weight: 900; letter-spacing: .15em; }
.rfq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 430px); gap: clamp(80px, 10vw, 160px); align-items: center; }
.rfq .section-kicker { color: #ffd3d7; }
.rfq h2 { max-width: 650px; color: var(--white); }
.rfq-copy > p:not(.section-kicker) { max-width: 540px; margin: 22px 0 0; color: #ffdfe2; font-size: 16px; }
.rfq-meta { display: flex; flex-wrap: wrap; gap: 12px 23px; margin-top: 36px; color: #fff0f0; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.rfq-meta span::before { content: ""; display: inline-block; width: 7px; height: 7px; margin: 0 9px 1px 0; background: var(--orange); }
.rfq-form { width: 100%; max-width: 430px; justify-self: end; display: grid; grid-template-columns: 1fr; gap: 12px; padding: 42px 26px; border: 1px solid var(--line); background: var(--white); color: var(--ink); }
.rfq-form h3 { grid-column: auto; margin: 0 0 8px; color: var(--red); text-align: center; font-size: clamp(28px, 3vw, 40px); line-height: 1.1; letter-spacing: 0; }
.field { display: grid; gap: 6px; }
.rfq-form .field { position: relative; display: block; }
.rfq-form .field.full { grid-column: auto; }
.rfq-form .field label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.rfq-form .field input, .rfq-form .field select, .rfq-form .field textarea { width: 100%; min-height: 56px; padding: 0 24px; border: 1px solid transparent; border-radius: 0; background: #f3f5f8; color: var(--ink); font-size: 16px; transition: border-color .2s ease, background .2s ease; }
.rfq-form .field textarea { min-height: 170px; padding-top: 18px; resize: vertical; }
.rfq-form .field input::placeholder, .rfq-form .field textarea::placeholder { color: #9aa5af; opacity: 1; }
.rfq-form .field input[type="file"] { padding: 0; border: 0; background: transparent; color: #728087; }
.rfq-form .field input[type="file"]::file-selector-button { margin-right: 12px; padding: 10px 14px; border: 1px solid #9aa5af; background: var(--white); color: var(--ink); font: inherit; cursor: pointer; }
.rfq-form .field input:focus, .rfq-form .field select:focus, .rfq-form .field textarea:focus { border-color: var(--red); background: var(--white); outline: none; }
.form-footer { display: block; grid-column: auto; padding-top: 0; }
.form-footer .btn { width: 100%; min-height: 56px; }
.form-status { display: block; margin-bottom: 12px; color: #728087; font-size: 12px; }
.footer { padding: 57px 0 22px; color: #d3dfe1; background: var(--navy); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 38px; padding-bottom: 42px; }
.footer-brand img { width: 146px; filter: none; }
.footer-brand p { max-width: 270px; margin: 18px 0 0; color: #9eafb5; font-size: 13px; }
.footer h3 { margin: 0 0 16px; color: var(--orange); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.footer a:not(.brand) { display: block; margin-top: 9px; color: #b5c5c8; font-size: 13px; }
.footer a:hover { color: var(--cyan); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.18); color: #81949a; font-size: 11px; }
.footer-bottom a { display: inline; margin-left: 15px; }
@media (max-width: 950px) {
  .main-nav { gap: 18px; }
  .header-inner { gap: 18px; }
  .model-board { grid-template-columns: 1fr; }
  .product-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-model { min-height: 420px; }
  .field-grid, .trust-grid, .rfq-grid { grid-template-columns: 1fr; gap: 36px; }
  .field-photo { max-width: 650px; }
}
@media (max-width: 780px) {
  .wrap { width: min(var(--max), calc(100% - 40px)); }
  .utility { justify-content: center; gap: 14px; padding: 7px 16px; }
  .utility a:nth-child(2), .utility a:nth-child(3) { display: none; }
  .header-inner { min-height: 72px; justify-content: space-between; }
  .main-nav { position: absolute; top: 72px; right: 0; left: 0; display: none; height: auto; flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 7px 20px 20px; border-bottom: 1px solid var(--line); background: var(--white); box-shadow: 0 16px 28px rgba(9,29,42,.1); }
  .main-nav.is-open { display: flex; }
  .main-nav a { min-height: 48px; height: 48px; border-bottom: 1px solid var(--line); }
  .main-nav a::after { bottom: -1px; }
  .header-actions .btn { display: none; }
  .menu-btn { display: grid; place-items: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { min-height: 445px; padding: 61px 0 55px; }
  .hero-media { min-height: 315px; }
  .hero-frame { inset: 10%; }
  .hero-frame::after { display: none; }
  .hero-tag { width: 92%; padding: 18px 20px 20px; }
  .series-nav-inner { align-items: stretch; min-height: 56px; gap: 15px; }
  .series-links { min-height: 56px; gap: 17px; }
  .series-links a { font-size: 11px; }
  .section { padding: 64px 0 74px; }
  .section-head { display: block; margin-bottom: 28px; }
  .section-intro { margin-top: 18px; }
  .model-row { grid-template-columns: 70px minmax(0, 1fr) 33px; gap: 12px; }
  .model-specs { grid-column: 2 / -1; }
  .model-detail { grid-column: 2 / -1; }
  .decision-grid { grid-template-columns: 1fr; }
  .trust-stats { max-width: 650px; }
  .rfq-form { max-width: 560px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 500px) {
  .wrap { width: min(var(--max), calc(100% - 32px)); }
  .brand img { width: 132px; }
  .hero h1 { font-size: 45px; }
  .hero-proof { gap: 10px; }
  .hero-proof strong { font-size: 21px; }
  .hero-proof span { font-size: 9px; }
  .feature-model { min-height: 370px; }
  .feature-model-copy { padding: 24px 21px 22px; }
  .feature-model-copy h3 { font-size: 49px; }
  .model-row { grid-template-columns: 63px minmax(0, 1fr) 32px; padding: 16px 14px; }
  .model-code { font-size: 18px; }
  .model-role { font-size: 14px; }
  .model-specs { gap: 5px 12px; }
  .rfq-form { grid-template-columns: 1fr; padding: 36px 20px; }
  .rfq-form h3, .field.full, .form-footer { grid-column: auto; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .form-footer .btn { width: 100%; }
  .product-card-grid { grid-template-columns: 1fr; gap: 18px; }
  .product-card { min-height: 0; }
  .product-card-media { height: 255px; }
  .product-card h3 { min-height: 0; }
  .trust-stats { grid-template-columns: 1fr; }
  .trust-stat { min-height: 118px; }
  .faq-toggle { padding: 19px 0; font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-bottom a { margin: 0 12px 0 0; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } }