:root {
  --red: #ef1b23;
  --red-dark: #b9080f;
  --ink: #101010;
  --muted: #6d6d72;
  --paper: #f4f4f2;
  --line: #dededb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, "Segoe UI", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.11); color: #fff; }
.header-inner { height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-mark { width: 45px; height: 45px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.5); position: relative; transform: skew(-7deg); overflow: hidden; }
.brand-mark::after { content: ""; position: absolute; width: 34px; height: 60px; background: var(--red); transform: rotate(32deg); left: -27px; top: -8px; }
.brand-mark i { font-size: 16px; font-weight: 900; font-style: normal; letter-spacing: -.06em; position: relative; z-index: 1; transform: skew(7deg); }
.brand-name { font-size: 25px; line-height: .9; letter-spacing: -.055em; font-weight: 750; }
.brand-name b { color: var(--red); }
.brand-name small { display: block; margin-top: 8px; color: #aaa; font-size: 8px; text-transform: uppercase; letter-spacing: .19em; font-weight: 650; }
nav { display: flex; gap: 34px; margin-left: auto; }
nav a { color: #c9c9c9; font-size: 13px; font-weight: 600; transition: color .2s; }
nav a:hover { color: #fff; }
.header-phone { text-align: right; font-size: 16px; font-weight: 800; letter-spacing: .015em; }
.header-phone small { display: block; color: #9c9c9c; font-size: 9px; text-transform: uppercase; letter-spacing: .14em; font-weight: 650; margin-bottom: 5px; }

.hero { min-height: 820px; color: #fff; padding: 182px 0 106px; background: #080808; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 42%, rgba(239,27,35,.12), transparent 28%), linear-gradient(118deg, transparent 0 72%, rgba(255,255,255,.035) 72% 72.2%, transparent 72.2%); }
.hero::after { content: ""; position: absolute; width: 360px; height: 700px; right: -230px; top: 30px; border: 1px solid rgba(239,27,35,.3); transform: rotate(42deg); box-shadow: 0 0 0 40px rgba(239,27,35,.025), 0 0 0 80px rgba(255,255,255,.018); }
.hero-grid { position: absolute; inset: 0; opacity: .17; 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: 58px 58px; mask-image: linear-gradient(90deg, transparent 0, #000 50%, #000 100%); }
.hero-layout { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 72px; position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0 0 25px; color: #c8c8c8; font-size: 11px; font-weight: 750; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow span { width: 34px; height: 2px; background: var(--red); box-shadow: 8px 0 18px var(--red); }
.eyebrow.dark { color: var(--muted); }
.hero h1 { margin: 0; font-size: clamp(58px, 6vw, 88px); line-height: .96; letter-spacing: -.075em; font-weight: 780; max-width: 760px; }
.hero h1 em { color: var(--red); font-style: normal; }
.hero-lead { color: #b5b5b8; font-size: 18px; line-height: 1.7; max-width: 640px; margin: 34px 0 36px; }
.hero-actions { display: flex; gap: 13px; flex-wrap: wrap; }
.button { min-height: 56px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 0 26px; border: 0; cursor: pointer; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; transition: .2s ease; }
.button span { font-size: 18px; }
.button-primary { background: var(--red); color: #fff; box-shadow: 0 10px 36px rgba(239,27,35,.2); }
.button-primary:hover { background: #ff2931; transform: translateY(-2px); }
.button-ghost { border: 1px solid #454545; color: #fff; }
.button-ghost:hover { border-color: #fff; }
.hero-points { list-style: none; padding: 0; margin: 58px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #292929; }
.hero-points li { padding: 22px 20px 0 0; border-right: 1px solid #292929; }
.hero-points li + li { padding-left: 20px; }
.hero-points li:last-child { border-right: 0; }
.hero-points b { display: block; color: #fff; font-size: 17px; }
.hero-points span { color: #747474; display: block; font-size: 10px; line-height: 1.5; margin-top: 5px; text-transform: uppercase; letter-spacing: .05em; }

.hero-visual { position: relative; min-height: 480px; display: grid; place-items: center; }
.tech-card { width: min(100%, 490px); aspect-ratio: .98; position: relative; border: 1px solid #303033; background: linear-gradient(145deg, #181819, #0c0c0d 70%); transform: perspective(1000px) rotateY(-4deg); box-shadow: 40px 45px 90px rgba(0,0,0,.45); overflow: hidden; }
.tech-card::before { content: ""; position: absolute; width: 250px; height: 560px; top: -130px; right: -180px; background: var(--red); transform: rotate(36deg); opacity: .88; }
.tech-card::after { content: ""; position: absolute; inset: 28px; border: 1px solid rgba(255,255,255,.08); pointer-events: none; }
.tech-label { position: absolute; top: 44px; left: 46px; font-size: 9px; letter-spacing: .28em; color: #666; }
.monitor { position: absolute; width: 55%; left: 13%; top: 28%; }
.monitor-screen { height: 174px; border: 8px solid #e9e9e9; background: #050505; position: relative; box-shadow: -11px 12px 0 #89070c; display: grid; place-items: center; }
.monitor-screen::after { content: ""; position: absolute; inset: 8px; opacity: .4; background-image: linear-gradient(rgba(239,27,35,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(239,27,35,.22) 1px, transparent 1px); background-size: 16px 16px; }
.monitor-screen strong { color: #fff; font-size: 56px; letter-spacing: -.13em; position: relative; z-index: 2; }
.monitor-screen strong::first-letter { color: var(--red); }
.screen-line { position: absolute; z-index: 2; height: 2px; background: var(--red); }
.line-one { width: 52px; left: 15px; top: 23px; }
.line-two { width: 35px; right: 15px; bottom: 25px; }
.pulse { position: absolute; z-index: 2; width: 7px; height: 7px; border-radius: 50%; background: var(--red); right: 18px; top: 19px; box-shadow: 0 0 13px var(--red); }
.monitor-neck { width: 44px; height: 33px; background: #ddd; margin: 0 auto; }
.monitor-base { width: 120px; height: 8px; background: #eee; margin: 0 auto; clip-path: polygon(18% 0,82% 0,100% 100%,0 100%); }
.system-unit { position: absolute; width: 90px; height: 218px; background: linear-gradient(90deg, #ccc, #fff 50%, #aaa); border: 7px solid #efefef; top: 23%; left: 67%; box-shadow: -8px 11px 0 #89070c; z-index: 2; }
.system-unit .power { display: block; width: 23px; height: 23px; border-radius: 50%; border: 3px solid var(--red); margin: 20px auto 52px; box-shadow: 0 0 10px rgba(239,27,35,.5); }
.system-unit i { display: block; height: 2px; background: #999; width: 50px; margin: 18px auto; }
.diag-badge { position: absolute; left: 42px; bottom: 48px; display: grid; grid-template-columns: 42px auto; column-gap: 12px; align-items: center; z-index: 4; }
.diag-badge > span { grid-row: span 2; width: 42px; height: 42px; display: grid; place-items: center; color: #fff; border: 1px solid var(--red); background: #151515; font-weight: 900; }
.diag-badge b { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.diag-badge small { color: #737373; font-size: 9px; }
.tech-corner { position: absolute; right: -72px; bottom: 92px; transform: rotate(-90deg); font-size: 8px; letter-spacing: .18em; color: #fff; z-index: 4; }
.tech-corner span { color: var(--red); margin: 0 5px; }

.trust-strip { background: var(--red); color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid p { min-height: 106px; margin: 0; padding: 27px 25px 22px; display: grid; grid-template-columns: 32px auto; column-gap: 10px; align-items: center; border-right: 1px solid rgba(255,255,255,.25); }
.trust-grid p:first-child { border-left: 1px solid rgba(255,255,255,.25); }
.trust-grid > p > span { grid-row: span 2; width: 27px; height: 27px; border: 1px solid rgba(255,255,255,.8); display: grid; place-items: center; font-weight: 900; }
.trust-grid b { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.trust-grid small { font-size: 10px; color: rgba(255,255,255,.72); }

.section { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: 1fr 390px; gap: 60px; align-items: end; margin-bottom: 60px; }
.section h2, .guarantee h2 { margin: 0; font-size: clamp(42px, 4.6vw, 66px); line-height: 1.02; letter-spacing: -.06em; }
.section-heading > p { color: var(--muted); line-height: 1.8; margin: 0 0 6px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 312px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; background: rgba(255,255,255,.5); transition: .25s ease; }
.service-card:hover { background: #fff; transform: translateY(-4px); box-shadow: 0 22px 55px rgba(0,0,0,.07); z-index: 2; }
.service-number { display: inline-grid; place-items: center; width: 46px; height: 46px; border: 1px solid #cfcfcd; color: var(--red); font-size: 11px; font-weight: 900; clip-path: polygon(15% 0,100% 0,100% 85%,85% 100%,0 100%,0 15%); }
.service-card h3 { font-size: 21px; margin: 32px 0 14px; letter-spacing: -.03em; }
.service-card p { color: var(--muted); font-size: 14px; line-height: 1.75; margin: 0; }
.service-card a { position: absolute; left: 34px; bottom: 28px; color: var(--red-dark); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.service-card a span { margin-left: 9px; font-size: 16px; }

.process { background: #0d0d0e; color: #fff; position: relative; overflow: hidden; }
.process::after { content: "04"; position: absolute; right: -30px; bottom: -100px; font-size: 370px; color: rgba(255,255,255,.018); font-weight: 900; letter-spacing: -.12em; }
.process-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 130px; position: relative; z-index: 2; }
.process-intro > p:not(.eyebrow) { color: #8d8d90; line-height: 1.8; max-width: 390px; margin: 30px 0; }
.text-link { display: inline-flex; gap: 14px; color: var(--red); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; font-weight: 800; border-bottom: 1px solid #5e1518; padding-bottom: 9px; }
.steps { list-style: none; padding: 0; margin: 0; border-top: 1px solid #303033; }
.steps li { min-height: 118px; display: grid; grid-template-columns: 70px 1fr; align-items: center; border-bottom: 1px solid #303033; transition: padding .2s; }
.steps li:hover { padding-left: 12px; }
.steps li > span { color: var(--red); font-size: 11px; letter-spacing: .1em; }
.steps h3 { margin: 0 0 7px; font-size: 21px; }
.steps p { color: #7f7f82; margin: 0; font-size: 13px; }

.guarantee { background: var(--red); color: #fff; padding: 72px 0; }
.guarantee-inner { display: grid; grid-template-columns: 130px 1.2fr .8fr; gap: 45px; align-items: center; }
.guarantee-seal { width: 112px; height: 112px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; display: flex; align-items: center; justify-content: center; gap: 8px; position: relative; }
.guarantee-seal::after { content: ""; position: absolute; inset: 8px; border: 1px dashed rgba(255,255,255,.45); border-radius: 50%; }
.guarantee-seal b { font-size: 36px; letter-spacing: -.08em; }
.guarantee-seal span { font-size: 8px; line-height: 1.35; text-transform: uppercase; letter-spacing: .07em; }
.guarantee .eyebrow { color: rgba(255,255,255,.7); margin-bottom: 17px; }
.guarantee .eyebrow span { background: #fff; box-shadow: none; }
.guarantee h2 { font-size: clamp(36px, 4vw, 54px); }
.guarantee-inner > p { color: rgba(255,255,255,.75); line-height: 1.75; font-size: 14px; }

.callback { background: #ededeb; }
.callback-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.callback-copy > p:not(.eyebrow) { color: var(--muted); max-width: 540px; line-height: 1.8; }
.contact-card { margin-top: 55px; border-top: 1px solid #d1d1ce; }
.contact-card p { display: flex; flex-direction: column; gap: 7px; padding: 20px 0; margin: 0; border-bottom: 1px solid #d1d1ce; }
.contact-card small { color: #8a8a8a; text-transform: uppercase; letter-spacing: .13em; font-size: 9px; }
.contact-card a, .contact-card b { font-size: 17px; font-weight: 750; }
.callback-form { background: #0e0e0f; color: #fff; padding: 44px; box-shadow: 22px 24px 0 #d9d9d5; position: relative; }
.callback-form::before { content: ""; position: absolute; height: 4px; background: var(--red); inset: 0 65% auto 0; }
.form-top { border-bottom: 1px solid #303033; padding-bottom: 23px; margin-bottom: 25px; display: flex; justify-content: space-between; gap: 20px; }
.form-top span { text-transform: uppercase; font-size: 10px; letter-spacing: .12em; color: #ddd; }
.form-top b { color: var(--red); font-size: 10px; }
.callback-form label { display: block; color: #a7a7aa; font-size: 10px; text-transform: uppercase; letter-spacing: .09em; margin-bottom: 19px; }
.callback-form label small { float: right; color: #555; }
.callback-form input, .callback-form textarea { width: 100%; display: block; border: 1px solid #333337; background: #171719; color: #fff; outline: none; margin-top: 9px; padding: 16px 17px; font-size: 14px; text-transform: none; letter-spacing: 0; resize: vertical; transition: border-color .2s; border-radius: 0; }
.callback-form input:focus, .callback-form textarea:focus { border-color: var(--red); }
.callback-form .button { width: 100%; margin-top: 4px; }
.form-note { color: #57575a; font-size: 9px; line-height: 1.5; text-align: center; margin: 15px auto 0; max-width: 380px; }
.form-status { min-height: 18px; color: #75d68e; font-size: 12px; text-align: center; margin: 10px 0 0; }
.form-status.is-error { color: #ff7479; }
.callback-form.is-loading { pointer-events: none; }
.callback-form.is-loading .button { opacity: .65; }
.hp-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

footer { background: #080808; color: #fff; padding: 42px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.footer-inner p { color: #68686b; font-size: 11px; line-height: 1.8; margin: 0 auto 0 0; padding-left: 45px; border-left: 1px solid #2d2d2f; }
.footer-up { color: #9a9a9d; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.mobile-bar { display: none; }

@media (max-width: 1000px) {
  nav { display: none; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-copy { max-width: 760px; }
  .hero { min-height: auto; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .section-heading > p { max-width: 600px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-layout { grid-template-columns: 1fr; gap: 65px; }
  .guarantee-inner { grid-template-columns: 115px 1fr; }
  .guarantee-inner > p { grid-column: 2; margin-top: -15px; }
  .callback-layout { grid-template-columns: 1fr; gap: 60px; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 30px, 1180px); }
  .site-header { position: absolute; }
  .header-inner { height: 76px; }
  .header-phone { font-size: 13px; }
  .header-phone small { display: none; }
  .brand-name { font-size: 21px; }
  .brand-mark { width: 39px; height: 39px; }
  .hero { padding: 139px 0 75px; }
  .hero h1 { font-size: clamp(47px, 14vw, 68px); }
  .hero-lead { font-size: 16px; line-height: 1.65; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-points { grid-template-columns: 1fr; margin-top: 40px; }
  .hero-points li, .hero-points li + li { border-right: 0; border-bottom: 1px solid #292929; padding: 16px 0; display: flex; justify-content: space-between; gap: 20px; align-items: center; }
  .hero-points span { text-align: right; max-width: 150px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid p { min-height: 84px; border-left: 1px solid rgba(255,255,255,.25); }
  .section { padding: 80px 0; }
  .section h2, .guarantee h2 { font-size: 42px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 290px; }
  .process-intro br, .section-heading br { display: none; }
  .steps li { grid-template-columns: 50px 1fr; }
  .guarantee { padding: 65px 0; }
  .guarantee-inner { grid-template-columns: 1fr; }
  .guarantee-inner > p { grid-column: 1; margin: 0; }
  .guarantee-seal { width: 100px; height: 100px; }
  .callback-form { padding: 32px 22px; box-shadow: 10px 12px 0 #d9d9d5; }
  .form-top { flex-direction: column; gap: 7px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-inner p { margin: 0; padding: 20px 0 0; border-left: 0; border-top: 1px solid #2d2d2f; width: 100%; }
  footer { padding-bottom: 92px; }
  .mobile-bar { position: fixed; display: grid; grid-template-columns: 1fr 1fr; z-index: 50; left: 0; right: 0; bottom: 0; box-shadow: 0 -7px 30px rgba(0,0,0,.25); }
  .mobile-bar a { min-height: 57px; display: grid; place-items: center; background: #fff; color: #111; text-transform: uppercase; font-size: 10px; font-weight: 850; letter-spacing: .08em; }
  .mobile-bar a:last-child { background: var(--red); color: #fff; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}