@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  font-family: 'DM Sans', sans-serif;
  color: #19324a;
  background: #fff;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #19324a;
  --navy: #183650;
  --blue: #286b9f;
  --accent: #287eb8;
  --paper: #f4f8fc;
  --muted: #61758a;
  --line: #d9e3ec;
  --white: #fff;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.topline { background: var(--navy); color: #e6eff7; font-size: 12px; }
.topline .container { display: flex; justify-content: space-between; padding: 9px 0; }
.topline a { color: #a9d4f2; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(24,54,80,.12); backdrop-filter: blur(12px); }
.nav-wrap { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-logo { display: block; width: 56px; height: 56px; flex: none; }
.brand-copy { display: grid; gap: 1px; }
.brand-name { color: var(--navy); font: 800 18px 'Manrope',sans-serif; letter-spacing: 0; }
.brand-tagline { color: var(--muted); font-size: 10px; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 27px; font-size: 13px; font-weight: 600; }
.nav-links a:not(.button) { color: #4d6278; }
.nav-links a[aria-current="page"]:not(.button), .nav-links a:hover:not(.button) { color: var(--blue); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 19px; border: 0; border-radius: 4px; background: var(--accent); color: #fff; font-weight: 700; font-size: 13px; cursor: pointer; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); background: #1e6597; }
.button-dark { color: white; background: var(--navy); }
.button-dark:hover { background: #244d70; }
.menu-toggle { display: none; border: 0; background: none; color: var(--ink); font-size: 25px; cursor: pointer; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: 1.3px; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 21px; height: 2px; background: #6aa2d0; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: 'Manrope',sans-serif; letter-spacing: 0; }
h1 { font-size: clamp(42px, 5.2vw, 69px); line-height: 1.03; }
h2 { font-size: clamp(32px, 3.5vw, 47px); line-height: 1.1; }
h3 { font-size: 20px; line-height: 1.25; }
.hero { overflow: hidden; position: relative; color: white; background: #102a43; }
.hero::before { content: ''; position: absolute; inset: -12px; background: linear-gradient(90deg, rgba(13,37,60,.92) 0%, rgba(13,37,60,.78) 48%, rgba(13,37,60,.26) 100%), url('/air-inflation-hero.jpg') center 48%/cover no-repeat; filter: blur(3px); transform: scale(1.03); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 45px; min-height: 585px; padding: 77px 0; }
.hero .eyebrow { color: #a6d1f0; }
.hero h1 { max-width: 690px; margin: 19px 0 22px; }
.hero h1 span { color: #8bc5ec; }
.hero-copy { max-width: 510px; color: #dce8f2; font-size: 16px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 21px; margin-top: 30px; }
.text-link { color: white; font-size: 13px; font-weight: 700; }
.text-link span { margin-left: 7px; color: #a6d1f0; }
.hero-stamp { justify-self: end; align-self: end; width: 260px; padding: 22px; margin-bottom: 8px; border: 1px solid rgba(255,255,255,.33); background: rgba(18,48,75,.82); backdrop-filter: blur(8px); }
.hero-stamp strong { display: block; color: #a6d1f0; font: 800 31px 'Manrope',sans-serif; }
.hero-stamp span { display: block; color: #e2edf6; font-size: 12px; line-height: 1.5; }
.trust-strip { border-bottom: 1px solid var(--line); background: #f0f5fa; }
.trust-inner { display: grid; grid-template-columns: repeat(3,1fr); padding: 23px 0; }
.trust-item { display: flex; justify-content: center; gap: 11px; align-items: center; border-right: 1px solid #d7e1ea; color: #405770; font-size: 12px; font-weight: 600; }
.trust-item:last-child { border: 0; }
.trust-icon { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 50%; background: #e0edf7; color: var(--navy); font-size: 16px; }
.section { padding: 88px 0; }
.section-head { max-width: 650px; margin-bottom: 39px; }
.section-head h2 { margin: 14px 0 14px; }
.section-head p { color: var(--muted); line-height: 1.7; }
.service-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.service-card { display: grid; grid-template-columns: 66px 1fr; gap: 19px; padding: 27px; border: 1px solid var(--line); background: #fff; }
.service-icon { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: #e0edf7; color: var(--navy); font-size: 24px; }
.service-card h3 { margin: 4px 0 9px; }
.service-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.equipment-section { padding: 82px 0; background: #f4f8fc; }
.equipment-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; }
.equipment-item { display: grid; grid-template-columns: minmax(150px,.82fr) 1fr; align-items: center; gap: 22px; padding: 20px; border: 1px solid var(--line); background: white; }
.equipment-visual { display: grid; place-items: center; min-height: 260px; background: #f2f7fb; }
.equipment-visual img { display: block; width: min(100%,230px); height: 260px; object-fit: contain; }
.equipment-label { display: inline-block; margin-bottom: 9px; color: var(--blue); font-size: 11px; font-weight: 700; text-transform: uppercase; }
.equipment-copy h3 { margin: 0 0 9px; }
.equipment-copy p { color: var(--muted); font-size: 13px; line-height: 1.6; }
.split-band { background: #f0f5fa; }
.split { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 75px; }
.split-art { min-height: 390px; position: relative; overflow: hidden; background: #183650; color: white; }
.split-art::before { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(13,37,60,.8),transparent 70%), url('/air-inflation-hero.jpg') center/cover; }
.split-art-copy { position: absolute; bottom: 28px; left: 28px; right: 28px; }
.split-art-copy strong { display: block; font: 800 24px 'Manrope',sans-serif; }
.split-art-copy span { color: #e0eaf3; font-size: 13px; }
.step-list { list-style: none; padding: 0; margin: 25px 0 30px; }
.step-list li { display: grid; grid-template-columns: 38px 1fr; gap: 13px; margin-bottom: 19px; }
.step-number { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: white; font-weight: 700; font-size: 12px; }
.step-list strong { display: block; margin-bottom: 4px; font-size: 14px; }
.step-list span:last-child { color: var(--muted); font-size: 13px; line-height: 1.5; }
.revenue-band { color: white; background: var(--navy); }
.revenue-band .container { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 65px; }
.revenue-band .eyebrow { color: #a6d1f0; }
.revenue-band h2 { margin: 14px 0; }
.revenue-band p { max-width: 490px; color: #d6e3ef; line-height: 1.7; }
.revenue-options { display: grid; gap: 12px; }
.revenue-option { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 18px 20px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.06); }
.revenue-option strong { font-size: 14px; }
.revenue-option span { color: #d2e0ed; font-size: 12px; }
.cta-band { padding: 58px 0; background: #e6f0f8; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 25px; }
.cta-inner h2 { max-width: 640px; margin: 0; font-size: 34px; }
.cta-inner .button { background: var(--navy); color: white; }
.page-hero { padding: 67px 0 61px; color: white; background: var(--navy); }
.page-hero .eyebrow { color: #a6d1f0; }
.page-hero h1 { max-width: 790px; margin: 15px 0; font-size: clamp(39px,5vw,58px); }
.page-hero p { max-width: 640px; margin: 0; color: #d9e6f1; font-size: 16px; line-height: 1.65; }
.page-content { padding: 64px 0 90px; }
.content-narrow { max-width: 800px; }
.content-narrow h2 { margin: 0 0 17px; font-size: 32px; }
.content-narrow p { color: #53697e; line-height: 1.75; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 55px; }
.about-photo { min-height: 400px; background: url('/air-inflation-hero.jpg') center/cover; }
.values-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 37px; }
.value { padding: 23px; border-top: 3px solid #5d91bd; background: #f0f5fa; }
.value strong { display: block; margin-bottom: 8px; font: 700 17px 'Manrope',sans-serif; }
.value p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.form-layout { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 55px; align-items: start; }
.form-panel { padding: 30px; border: 1px solid var(--line); background: #fff; }
.form-panel h2 { margin: 0 0 8px; font-size: 27px; }
.form-intro { margin-bottom: 26px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px 15px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { color: #304b65; font-size: 12px; font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; min-height: 45px; padding: 11px 12px; border: 1px solid #d1dce6; border-radius: 3px; outline: 0; background: #fff; color: var(--ink); font-size: 13px; }
.field textarea { min-height: 105px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(40,107,159,.14); }
.form-submit { margin-top: 21px; }
.form-status { min-height: 20px; margin: 14px 0 0; color: var(--navy); font-size: 13px; line-height: 1.5; }
.form-status.error { color: #a33c2d; }
.form-aside { padding: 23px; background: #eff5fa; }
.form-aside h3 { margin: 0 0 12px; font-size: 18px; }
.form-aside p, .form-aside li { color: #566c81; font-size: 13px; line-height: 1.65; }
.form-aside ul { margin: 15px 0 0; padding-left: 18px; }
.form-aside a { color: var(--blue); font-weight: 700; }
.notice { padding: 14px 16px; border-left: 3px solid #5d91bd; background: #f6f9fc; color: #526980; font-size: 12px; line-height: 1.6; }
.site-footer { padding: 49px 0 23px; color: #e5eff7; background: #142f4a; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 45px; padding-bottom: 39px; }
.site-footer .brand-name { color: white; }
.site-footer .brand-tagline { color: #bdcddd; }
.footer-about { max-width: 330px; margin: 17px 0 0; color: #bdcddd; font-size: 13px; line-height: 1.65; }
.footer-title { margin: 5px 0 14px; color: #a6d1f0; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.footer-links { display: grid; gap: 11px; color: #cedce9; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 19px; border-top: 1px solid rgba(255,255,255,.16); color: #b4c7d9; font-size: 11px; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 78px; left: 0; right: 0; padding: 14px 18px 19px; border-bottom: 1px solid var(--line); background: var(--paper); }
  .nav-links.open { display: grid; gap: 0; }
  .nav-links a, .nav-links a:nth-child(2), .nav-links a:nth-child(3) { display: block; padding: 12px 0; }
  .nav-links .button { display: inline-flex; width: max-content; margin-top: 7px; }
  .hero-inner { grid-template-columns: 1fr .55fr; gap: 20px; }
  .split { gap: 35px; }
  .form-layout { grid-template-columns: minmax(0,1fr) 270px; gap: 28px; }
}
@media (max-width: 680px) {
  .container { width: min(100% - 34px, 520px); }
  .topline .container { justify-content: center; }
  .topline .container span:first-child { display: none; }
  .nav-wrap { height: 68px; }
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 14px 18px 19px; border-bottom: 1px solid var(--line); background: var(--paper); }
  .nav-links.open { display: grid; gap: 0; }
  .nav-links a, .nav-links a:nth-child(2), .nav-links a:nth-child(3) { display: block; padding: 12px 0; }
  .nav-links .button { display: inline-flex; width: max-content; margin-top: 7px; }
  .hero::before { background-position: 60% center; }
  .hero-inner { display: block; min-height: 570px; padding: 67px 0 35px; }
  h1 { font-size: 46px; }
  .hero-copy { font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-stamp { width: 218px; margin: 43px 0 0 auto; padding: 15px; }
  .trust-inner { grid-template-columns: 1fr; gap: 12px; padding: 17px 0; }
  .trust-item { justify-content: flex-start; border: 0; }
  .section { padding: 64px 0; }
  .service-grid, .split, .revenue-band .container, .about-grid, .form-layout { grid-template-columns: 1fr; }
  .equipment-grid { grid-template-columns: 1fr; }
  .equipment-item { grid-template-columns: minmax(120px,.75fr) 1fr; gap: 15px; padding: 14px; }
  .equipment-visual, .equipment-visual img { min-height: 220px; height: 220px; }
  .service-card { grid-template-columns: 53px 1fr; gap: 13px; padding: 20px; }
  .service-icon { width: 48px; height: 48px; }
  .split-art { min-height: 280px; }
  .revenue-band .container { gap: 22px; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .cta-inner h2 { font-size: 28px; }
  .page-hero { padding: 54px 0; }
  .page-content { padding: 42px 0 64px; }
  .about-photo { min-height: 260px; }
  .values-grid { grid-template-columns: 1fr; }
  .form-panel { padding: 21px 17px; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .form-aside { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 27px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}