:root {
  color-scheme: light;
  --blue: #004aad;
  --blue-dark: #00337a;
  --orange: #f59e0b;
  --orange-dark: #d97706;
  --ink: #1f2937;
  --muted: #6b7280;
  --pale: #f3f4f6;
  --pale-blue: #e0e7ff;
  --line: #e5e7eb;
  --container: 1248px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.section { padding: 80px 0; }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  background: rgba(255, 255, 255, .9);
  border-bottom: 1px solid rgba(255, 255, 255, .2);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header-inner { min-height: 66px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.brand img { width: 144px; height: 40px; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: #4b5563; font-weight: 600; transition: color .2s ease; }
.site-nav a:hover { color: var(--blue); }
.sales-button {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border-radius: 9px;
  background: #55c56b;
  color: #fff;
  font-weight: 700;
  transition: background .2s ease, transform .2s ease;
}
.sales-button:hover { background: #43b85b; transform: translateY(-1px); }
.sales-button svg, .button svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.menu-toggle { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 160px 0 96px;
  color: #fff;
  background: linear-gradient(to bottom right, #111827, #1f2937);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: center; gap: 48px; }
.hero-copy { max-width: 650px; }
.eyebrow {
  display: inline-block;
  margin-bottom: 22px;
  padding: 4px 13px;
  border-radius: 999px;
  color: #bfdbfe;
  background: rgba(30, 64, 175, .2);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.5;
  text-transform: uppercase;
}
.hero h1 { margin: 0; max-width: 600px; color: #fff; font-size: clamp(44px, 4.2vw, 60px); font-weight: 800; letter-spacing: -.035em; line-height: 1; }
.wide-break { display: inline; }
.highlight { color: #f5a623; }
.hero-description { max-width: 610px; margin: 24px 0 38px; color: #d1d5db; font-size: 20px; line-height: 1.4; }
.hero-actions { display: flex; align-items: stretch; gap: 16px; }
.button { min-height: 92px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 18px 30px; border-radius: 12px; font-size: 16px; font-weight: 700; line-height: 1.55; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-accent { min-width: 360px; justify-content: flex-start; color: #1f2937; background: var(--orange); box-shadow: 0 10px 15px -3px rgba(245, 158, 11, .3); }
.button-accent:hover { background: var(--orange-dark); box-shadow: 0 14px 22px -5px rgba(245, 158, 11, .36); }
.button-outline { width: 218px; border: 2px solid rgba(255, 255, 255, .35); color: #fff; }
.button-outline:hover { background: rgba(255, 255, 255, .08); }
.hero-art { display: flex; justify-content: center; }
.hero-art img { width: min(100%, 512px); aspect-ratio: 1; object-fit: contain; background: #fff; box-shadow: 0 24px 44px rgba(0, 0, 0, .22); animation: float 5s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.section-heading { margin: 0 auto 54px; text-align: center; }
.section-heading h2, .about h2 { margin: 0; color: var(--ink); font-size: 36px; font-weight: 800; letter-spacing: -.025em; line-height: 1.15; }
.section-heading p { margin: 16px 0 0; color: var(--muted); font-size: 18px; }
.benefit-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
.benefit-card { min-height: 252px; padding: 24px; border: 1px solid #f3f4f6; border-radius: 16px; background: var(--pale); transition: box-shadow .2s ease; }
.benefit-card:hover { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, .12); }
.icon-box { width: 56px; height: 56px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 13px; color: var(--blue); background: rgba(0, 74, 173, .1); }
.icon-box svg { width: 29px; height: 29px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.benefit-card h3 { margin: 0 0 12px; font-size: 20px; font-weight: 700; line-height: 1.35; }
.benefit-card p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.5; }

.about { background: #f9fafb; border-top: 1px solid var(--line); }
.about-copy { max-width: 864px; }
.eyebrow-light { display: table; margin: 0 auto 14px; color: #315b9b; background: #e8eefb; }
.about h2 { margin: 0 auto 42px; text-align: center; }
.about p { margin: 0 0 24px; color: #4b5563; line-height: 1.78; }
.about strong { color: #1f2937; }
.about-emphasis { color: #173e79 !important; font-weight: 700; }

.models { border-block: 1px solid var(--line); }
.models .section-heading { margin-bottom: 54px; }
.table-wrap { overflow-x: auto; border-radius: 12px; box-shadow: 0 8px 14px rgba(0, 0, 0, .08); }
table { width: 100%; min-width: 760px; border-collapse: collapse; text-align: left; }
thead { color: #fff; background: #234fa6; }
th, td { padding: 18px 24px; }
thead th { font-weight: 600; line-height: 1.55; }
tbody th { font-weight: 700; }
tbody tr { border-bottom: 1px solid #f3f4f6; }
tbody tr:nth-child(odd) { background: #fff; }
tbody tr:nth-child(even) { background: #f9fafb; }
tbody tr:last-child { border-bottom: 0; }

.applications .section-heading { margin-bottom: 54px; }
.application-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.application-card { position: relative; height: 288px; overflow: hidden; border-radius: 16px; background: #374151; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, .12); }
.application-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.application-card:hover img { transform: scale(1.1); }
.application-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; padding: 24px; color: #fff; background: rgba(17, 24, 39, .58); }
.application-overlay h3 { margin: 0; font-size: 24px; line-height: 1.2; }
.application-overlay p { max-height: 0; overflow: hidden; margin: 0; opacity: 0; color: #e5e7eb; line-height: 1.5; transition: all .3s ease; }
.application-card:hover .application-overlay p { max-height: 100px; margin-top: 12px; opacity: 1; }

.faq { background: #f9fafb; border-top: 1px solid var(--line); }
.faq-container { max-width: 904px; }
.faq-list { display: grid; gap: 16px; }
.faq-item { overflow: hidden; border: 1px solid #e5e7eb; border-radius: 12px; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .05); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 24px; cursor: pointer; list-style: none; font-size: 18px; font-weight: 700; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: #f9fafb; }
.chevron { flex: 0 0 auto; color: var(--blue); transition: transform .2s ease; }
.chevron svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.faq-item[open] .chevron { transform: rotate(180deg); }
.faq-answer { padding: 0 24px 22px; border-top: 1px solid #f3f4f6; color: #6b7280; line-height: 1.7; }
.faq-answer p { margin: 12px 0; }
.faq-answer ul, .faq-answer ol { margin: 12px 0 0; padding-left: 20px; }
.faq-answer li + li { margin-top: 8px; }
.faq-answer strong { color: #4b5563; }

.contact { position: relative; overflow: hidden; padding: 96px 0; color: #fff; background: linear-gradient(to bottom right, var(--blue-dark), var(--blue)); }
.contact::before { position: absolute; inset: 0; pointer-events: none; content: ""; background-image: radial-gradient(rgba(255, 255, 255, .18) .75px, transparent .75px); background-size: 16px 16px; opacity: .3; }
.contact-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 64px; }
.contact-copy h2 { max-width: 580px; margin: 0 0 16px; font-size: 36px; line-height: 1.2; letter-spacing: -.02em; }
.contact-intro { max-width: 590px; margin: 0 0 32px; color: #dbeafe; font-size: 18px; }
.testimonial { display: flex; align-items: center; gap: 18px; padding: 24px; border: 1px solid rgba(255, 255, 255, .15); border-radius: 16px; background: rgba(255, 255, 255, .1); }
.testimonial-avatar { width: 64px; height: 64px; flex: 0 0 auto; overflow: hidden; border: 2px solid var(--orange); border-radius: 50%; background: #facc15; }
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.stars { display: flex; gap: 2px; margin-bottom: 4px; color: var(--orange); }
.stars svg { width: 16px; height: 16px; fill: currentColor; stroke: currentColor; }
.quote { margin: 0 0 6px; color: #e5e7eb; font-style: italic; }
.quote-author { font-size: 14px; }
.brand-list { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 28px; color: #dbeafe; font-size: 18px; font-weight: 700; }
.brand-list span { display: inline-flex; align-items: center; gap: 8px; }
.brand-list svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.quote-card { padding: 32px 38px; border-radius: 24px; color: var(--ink); background: #fff; box-shadow: 0 20px 30px rgba(0, 0, 0, .14); }
.quote-card h3 { margin: 0 0 24px; font-size: 24px; line-height: 1.25; }
.quote-form { display: grid; gap: 16px; }
.field { min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; margin-bottom: 5px; color: #374151; font-size: 14px; font-weight: 600; }
.field input { width: 100%; min-height: 50px; padding: 12px 16px; border: 1px solid #e5e7eb; border-radius: 9px; outline: none; background: #f9fafb; color: var(--ink); transition: border .2s ease, box-shadow .2s ease; }
.field input::placeholder { color: #9ca3af; }
.field input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 74, 173, .14); }
.submit-button { width: 100%; min-height: 60px; margin-top: 4px; border: 0; border-radius: 12px; color: #fff; background: #234fa6; box-shadow: 0 10px 16px rgba(0, 74, 173, .2); cursor: pointer; font-size: 18px; font-weight: 700; transition: background .2s ease, transform .2s ease; }
.submit-button:hover { background: var(--blue-dark); transform: translateY(-2px); }
.privacy-note { margin: -6px 0 0; color: #9ca3af; text-align: center; font-size: 12px; }

.site-footer { padding: 48px 0 20px; border-top: 1px solid #1f2937; color: #9ca3af; background: #111827; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 48px; padding-bottom: 46px; }
.footer-about p { max-width: 360px; margin: 16px 0 0; }
.site-footer h2 { margin: 0 0 16px; color: #f9fafb; font-size: 14px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.contact-details { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.contact-details li { display: flex; align-items: center; gap: 9px; }
.contact-details svg { width: 17px; height: 17px; fill: none; stroke: #9ca3af; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.social-links { display: flex; gap: 16px; }
.social-links a { width: 40px; height: 40px; border-radius: 50%; background: #1f2937; transition: background .2s ease; }
.social-links a:hover { background: #374151; }
.copyright { padding-top: 36px; border-top: 1px solid #1f2937; text-align: center; font-size: 14px; }

:focus-visible { outline: 3px solid rgba(245, 158, 11, .8); outline-offset: 3px; }

@media (max-width: 1050px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: 32px; }
  .hero h1 { font-size: 48px; }
  .benefit-grid, .application-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid { gap: 36px; }
  .quote-card { padding: 28px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 70px; }
  .container { width: min(var(--container), calc(100% - 36px)); }
  .header-inner { min-height: 66px; grid-template-columns: 1fr auto auto; gap: 12px; }
  .brand img { width: 126px; height: 36px; }
  .menu-toggle { width: 42px; height: 42px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 1px solid #e5e7eb; border-radius: 9px; background: #fff; cursor: pointer; }
  .menu-toggle span { width: 19px; height: 2px; border-radius: 2px; background: #374151; }
  .site-nav { position: absolute; top: 66px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 18px 14px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .98); box-shadow: 0 8px 12px rgba(0, 0, 0, .08); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 6px; }
  .sales-button { padding: 9px 11px; font-size: 13px; }
  .sales-button svg { width: 18px; height: 18px; }
  .hero { padding: 120px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero-copy { max-width: none; }
  .hero h1 { max-width: 640px; font-size: clamp(40px, 10vw, 52px); }
  .wide-break { display: none; }
  .hero-description { font-size: 18px; }
  .hero-art img { width: min(100%, 440px); }
  .button { min-height: 76px; padding: 14px 18px; }
  .section { padding: 64px 0; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2, .about h2, .contact-copy h2 { font-size: 30px; }
  .section-heading p { font-size: 16px; }
  .benefit-grid { gap: 16px; }
  .benefit-card { min-height: 0; padding: 20px; }
  .about h2 { margin-bottom: 30px; }
  .models .section-heading, .applications .section-heading { margin-bottom: 36px; }
  .application-grid { gap: 16px; }
  .application-card { height: 240px; }
  .application-overlay h3 { font-size: 20px; }
  .faq-container { width: min(100% - 36px, 904px); }
  .faq-item summary { padding: 18px; font-size: 16px; }
  .faq-answer { padding: 0 18px 18px; }
  .contact { padding: 64px 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 38px; }
  .contact-copy h2 { max-width: 600px; }
  .quote-card { padding: 26px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .social-column { grid-column: 2; }
}

@media (max-width: 480px) {
  .container { width: calc(100% - 32px); }
  .header-inner { grid-template-columns: 1fr auto; }
  .sales-button { display: none; }
  .site-nav { padding-inline: 16px; }
  .hero h1 { font-size: 40px; }
  .hero-actions { align-items: stretch; gap: 10px; }
  .button { padding: 12px; font-size: 14px; }
  .button-accent { min-width: 0; flex: 1.3; }
  .button-outline { width: auto; flex: 1; }
  .button svg { width: 19px; height: 19px; }
  .benefit-grid, .application-grid { grid-template-columns: 1fr; }
  .application-card { height: 250px; }
  .field-row { grid-template-columns: 1fr; }
  .testimonial { align-items: flex-start; gap: 13px; padding: 17px; }
  .testimonial-avatar { width: 54px; height: 54px; }
  .brand-list { gap: 16px; font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .social-column { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}