* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--qs-white);
  background: var(--qs-navy);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 3px solid var(--qs-cyan); outline-offset: 4px; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -6rem;
  z-index: 999;
  padding: .8rem 1rem;
  border-radius: .7rem;
  background: #fff;
  color: #06243a;
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }

.container { width: min(calc(100% - 2.5rem), var(--qs-content-width)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 27, 44, .76);
  border-bottom: 1px solid rgba(98, 221, 246, .14);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.header-inner { min-height: 5.5rem; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; }
.brand { width: 13.5rem; display: inline-flex; align-items: center; }
.brand img { width: 100%; height: auto; }
.main-nav { justify-self: end; display: flex; align-items: center; gap: 1.5rem; }
.main-nav a { text-decoration: none; color: rgba(255,255,255,.78); font-size: .92rem; font-weight: 700; transition: color .2s ease; }
.main-nav a:hover { color: var(--qs-cyan); }
.restricted-access {
  min-height: 2.75rem;
  text-decoration: none;
  padding: .65rem 1rem;
  border: 1px solid rgba(109, 224, 247, .28);
  border-radius: .85rem;
  color: rgba(255,255,255,.68);
  background: linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 750;
}
.restricted-access.is-disabled { cursor: not-allowed; opacity: .72; }
.restricted-dot { width: .5rem; height: .5rem; border-radius: 99px; background: #8095a4; box-shadow: 0 0 0 4px rgba(128,149,164,.1); }
.nav-toggle { display: none; }

.hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  min-height: 42rem;
  padding: 7.5rem 0 7rem;
  background:
    radial-gradient(circle at 76% 28%, rgba(36, 172, 229, .19), transparent 27rem),
    linear-gradient(135deg, #041b2c 0%, #062b46 44%, #06365a 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 9rem;
  background: linear-gradient(to bottom, transparent, rgba(1,15,26,.58));
  z-index: -1;
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(rgba(68,204,237,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(68,204,237,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, rgba(0,0,0,.16), #000 65%, transparent);
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(1px); opacity: .65; z-index: -1; }
.hero-orb-a { width: 28rem; height: 28rem; right: -10rem; top: 2rem; background: radial-gradient(circle, rgba(57,217,242,.16), transparent 66%); }
.hero-orb-b { width: 22rem; height: 22rem; right: 21rem; bottom: -10rem; background: radial-gradient(circle, rgba(0,129,255,.13), transparent 68%); }
.hero-layout { display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 4rem; }
.eyebrow { margin: 0 0 1rem; color: var(--qs-cyan); font-size: .77rem; font-weight: 850; letter-spacing: .18em; }
.hero h1 { margin: 0; max-width: 13ch; font-size: clamp(3.15rem, 6.2vw, 5.95rem); line-height: .96; letter-spacing: -.055em; font-weight: 850; }
.hero h1 span { display: block; color: #5ee6f8; }
.hero-lead { max-width: 41rem; margin: 1.8rem 0 0; color: rgba(255,255,255,.78); font-size: clamp(1.05rem, 1.6vw, 1.26rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.button { min-height: 3.2rem; padding: .8rem 1.25rem; border-radius: .85rem; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; font-weight: 800; }
.button-primary { color: #041b2c; background: linear-gradient(135deg, #70e7f8, #28c8e8); box-shadow: 0 12px 36px rgba(31,204,237,.18); }
.button-primary:hover { filter: brightness(1.05); }
.button-ghost { border: 1px solid rgba(116,221,243,.24); background: rgba(255,255,255,.045); color: #fff; }
.button-ghost:hover { border-color: rgba(116,221,243,.55); background: rgba(255,255,255,.075); }
.hero-contact { margin-top: 2.4rem; display: flex; align-items: baseline; gap: .7rem; color: rgba(255,255,255,.56); }
.hero-contact span { font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
.hero-contact a { color: #fff; text-decoration: none; font-size: 1.05rem; font-weight: 850; }

.hero-visual { position: relative; min-height: 31rem; display: grid; place-items: center; perspective: 1100px; }
.signal-card {
  width: min(100%, 35rem);
  padding: 1.4rem;
  border: 1px solid rgba(95,224,249,.28);
  border-radius: 1.35rem;
  background: linear-gradient(150deg, rgba(14,67,101,.86), rgba(5,33,54,.78));
  box-shadow: 0 36px 90px rgba(0,0,0,.32), inset 0 1px 0 rgba(255,255,255,.11), 0 0 70px rgba(18,172,223,.07);
  backdrop-filter: blur(20px);
  transform: rotateY(-6deg) rotateX(2deg);
}
.signal-topline { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 1.25rem; border-bottom: 1px solid rgba(111,219,242,.13); }
.status-pill { display: inline-flex; gap: .55rem; align-items: center; padding: .45rem .7rem; border-radius: 999px; background: rgba(44,215,168,.08); color: #9df5df; font-size: .75rem; font-weight: 800; }
.status-pill i { width: .45rem; height: .45rem; border-radius: 99px; background: #64f0c6; box-shadow: 0 0 14px #64f0c6; }
.signal-time { color: rgba(255,255,255,.42); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
.signal-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: .45rem; padding: 2.25rem .25rem; }
.signal-node { min-width: 0; text-align: center; }
.signal-node span { width: 2.75rem; height: 2.75rem; margin: auto; display: grid; place-items: center; border-radius: .9rem; color: #92eafa; border: 1px solid rgba(91,220,246,.23); background: rgba(68,191,230,.07); font-size: .72rem; font-weight: 900; }
.signal-node.active span { color: #05283e; background: #63e4f7; box-shadow: 0 0 22px rgba(62,215,243,.28); }
.signal-node strong { display: block; margin-top: .75rem; font-size: .85rem; }
.signal-node small { display: block; color: rgba(255,255,255,.42); margin-top: .15rem; font-size: .68rem; }
.signal-line { width: 2.3rem; height: 1px; background: rgba(79,215,242,.26); position: relative; overflow: hidden; }
.signal-line i { position: absolute; width: 42%; height: 100%; background: #75eaf9; box-shadow: 0 0 9px #75eaf9; animation: travel 1.9s linear infinite; }
.signal-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: .6rem; padding-top: 1rem; }
.signal-metrics div { padding: .9rem; border-radius: .85rem; background: rgba(255,255,255,.038); border: 1px solid rgba(255,255,255,.05); }
.signal-metrics span { display: block; color: rgba(255,255,255,.42); font-size: .68rem; }
.signal-metrics strong { display: block; margin-top: .2rem; color: #dffbff; font-size: .77rem; }
.floating-card { position: absolute; padding: .75rem .95rem; border: 1px solid rgba(102,222,247,.22); border-radius: .9rem; background: rgba(6,39,62,.84); box-shadow: 0 16px 40px rgba(0,0,0,.25); backdrop-filter: blur(18px); }
.floating-card span { color: var(--qs-cyan); font-weight: 900; }
.floating-card strong { margin-left: .45rem; font-size: .8rem; }
.floating-card-a { left: -1rem; top: 4.2rem; }
.floating-card-b { right: -1.5rem; bottom: 5rem; }
@keyframes travel { from { left: -45%; } to { left: 110%; } }

.section { padding: 7rem 0; }
.section-intro { background: #f6fbfd; color: #0a2d43; }
.section-heading { max-width: 38rem; }
.section-heading-wide { max-width: 53rem; }
.section-heading .eyebrow, .section-intro .eyebrow { color: #0d779e; }
.section-heading h2 { margin: 0; font-size: clamp(2.1rem, 4.2vw, 3.7rem); line-height: 1.04; letter-spacing: -.04em; }
.section-heading p:not(.eyebrow) { margin: 1.25rem 0 0; color: #506c7c; font-size: 1.05rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-top: 3rem; }
.feature-card { min-height: 18.5rem; padding: 2rem; border: 1px solid #d8eaf1; border-radius: 1.25rem; background: rgba(255,255,255,.76); box-shadow: 0 18px 50px rgba(22,77,101,.045); }
.feature-icon { width: 3rem; height: 3rem; display: grid; place-items: center; border-radius: .95rem; background: linear-gradient(145deg,#dffaff,#c7f3fb); color: #0b7499; font-size: 1.35rem; font-weight: 900; }
.feature-card h3 { margin: 1.5rem 0 .7rem; font-size: 1.35rem; letter-spacing: -.02em; }
.feature-card p { margin: 0; color: #5e7785; }

.section-method { background: linear-gradient(160deg, #051d30, #062b45 70%, #073b60); }
.method-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 5rem; align-items: start; }
.section-method .section-heading p:not(.eyebrow) { color: rgba(255,255,255,.58); }
.process-list { list-style: none; padding: 0; margin: 0; display: grid; }
.process-list li { display: grid; grid-template-columns: 4rem 1fr; gap: 1.2rem; padding: 1.5rem 0; border-top: 1px solid rgba(116,220,242,.13); }
.process-list li:last-child { border-bottom: 1px solid rgba(116,220,242,.13); }
.process-list > li > span { color: var(--qs-cyan); font-size: .78rem; font-weight: 900; letter-spacing: .12em; }
.process-list h3 { margin: 0; font-size: 1.15rem; }
.process-list p { margin: .35rem 0 0; color: rgba(255,255,255,.56); }

.section-nfse { background: #eef8fb; color: #082d43; }
.nfse-card { padding: 3rem; display: grid; grid-template-columns: 1fr .85fr; gap: 4rem; border: 1px solid #d2e8ef; border-radius: 1.8rem; background: linear-gradient(145deg,#ffffff,#f7fcfd); box-shadow: 0 30px 80px rgba(10,66,90,.07); }
.nfse-copy h2 { margin: 0; font-size: clamp(2.2rem,4vw,3.5rem); line-height: 1.02; letter-spacing: -.04em; }
.nfse-copy > p:not(.eyebrow) { color: #55707f; }
.text-link { display: inline-flex; align-items: center; gap: .45rem; margin-top: .6rem; color: #057a9f; font-weight: 850; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: .2em; }
.nfse-visual { align-self: center; }
.nfse-logo-card { padding: 1.5rem; border-radius: 1.15rem; background: #fff; border: 1px solid #d9eaf0; }
.nfse-logo-card img { width: min(100%, 27rem); margin: auto; }
.nfse-logo-card p { margin: 1.2rem 0 0; padding-top: 1rem; border-top: 1px solid #e3eef2; color: #365a6c; font-weight: 750; }
.mini-grid { display: grid; gap: .65rem; margin-top: .7rem; }
.mini-grid div { padding: .9rem 1rem; border-radius: .8rem; background: #e8f6fa; }
.mini-grid span { display: block; color: #0c7b9f; font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 900; }
.mini-grid strong { display: block; margin-top: .15rem; font-size: .88rem; }

.section-contact { padding: 5rem 0; background: #06253b; }
.contact-card { padding: 3rem; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 3rem; border-radius: 1.6rem; background: linear-gradient(120deg, rgba(24,106,147,.38), rgba(14,69,104,.26)); border: 1px solid rgba(94,217,241,.2); box-shadow: inset 0 1px 0 rgba(255,255,255,.06); }
.contact-card h2 { margin: 0; max-width: 14ch; font-size: clamp(2.2rem,4.4vw,3.8rem); line-height: 1; letter-spacing: -.045em; }
.contact-card > div:first-child > p:last-child { max-width: 39rem; color: rgba(255,255,255,.6); }
.contact-actions { display: grid; justify-items: end; gap: .9rem; }
.phone-link { text-decoration: none; text-align: right; }
.phone-link small { display: block; color: #75dff1; text-transform: uppercase; letter-spacing: .13em; font-size: .7rem; font-weight: 900; }
.phone-link strong { display: block; font-size: clamp(1.65rem,3.4vw,2.8rem); line-height: 1.05; letter-spacing: -.04em; }
.mail-link { color: rgba(255,255,255,.78); text-underline-offset: .2em; }

.site-footer {
  padding: 2rem 0 1rem;
  background: linear-gradient(180deg, #041c2c 0%, #031725 100%);
  border-top: 1px solid rgba(111,221,243,.12);
}
.footer-shell { position: relative; }
.footer-main {
  display: grid;
  grid-template-columns: auto minmax(14rem, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding-bottom: 1.4rem;
}
.footer-brand { display: inline-flex; align-items: center; width: 9.25rem; }
.footer-brand img { width: 100%; height: auto; }
.footer-statement {
  margin: 0;
  max-width: 34rem;
  color: rgba(255,255,255,.58);
  font-size: .88rem;
  line-height: 1.55;
}
.footer-contact { display: flex; align-items: center; justify-content: flex-end; gap: 1.8rem; }
.footer-contact a { text-decoration: none; display: grid; gap: .08rem; }
.footer-contact span {
  color: rgba(117,223,241,.72);
  font-size: .62rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.footer-contact strong { color: rgba(255,255,255,.84); font-size: .8rem; font-weight: 650; }
.footer-contact a:hover strong { color: var(--qs-cyan); }
.footer-bottom {
  min-height: 2.45rem;
  padding-top: .9rem;
  border-top: 1px solid rgba(255,255,255,.065);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: rgba(255,255,255,.38);
  font-size: .72rem;
}
.footer-bottom a { color: rgba(255,255,255,.52); text-decoration: none; }
.footer-bottom a:hover { color: var(--qs-cyan); }

@media (max-width: 960px) {
  .header-inner { grid-template-columns: auto auto 1fr; gap: 1rem; }
  .brand { width: 11.5rem; }
  .nav-toggle { display: grid; width: 2.8rem; height: 2.8rem; place-content: center; gap: 4px; border-radius: .8rem; border: 1px solid rgba(102,220,245,.2); background: rgba(255,255,255,.05); }
  .nav-toggle span { width: 1.15rem; height: 2px; background: #fff; }
  .restricted-access { justify-self: end; }
  .main-nav { display: none; position: absolute; left: 1.25rem; right: 1.25rem; top: calc(100% + .5rem); padding: 1rem; border: 1px solid rgba(102,220,245,.2); border-radius: 1rem; background: rgba(4,27,44,.96); box-shadow: 0 22px 60px rgba(0,0,0,.3); }
  .main-nav.is-open { display: grid; gap: .2rem; }
  .main-nav a { padding: .75rem; border-radius: .6rem; }
  .hero { padding-top: 5.5rem; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 46rem; }
  .hero-visual { min-height: 27rem; }
  .method-layout, .nfse-card { grid-template-columns: 1fr; gap: 3rem; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-card:last-child { grid-column: 1 / -1; }
  .contact-card { grid-template-columns: 1fr; align-items: start; }
  .contact-actions { justify-items: start; }
  .phone-link { text-align: left; }
  .footer-main { grid-template-columns: auto 1fr; gap: 1.25rem 2rem; }
  .footer-statement { max-width: none; }
  .footer-contact { grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 1.5rem), var(--qs-content-width)); }
  .site-header { position: relative; }
  .header-inner { min-height: 4.8rem; grid-template-columns: minmax(0,1fr) auto auto; gap: .55rem; }
  .brand { width: 9.7rem; }
  .restricted-access { min-height: 2.5rem; padding: .55rem .7rem; font-size: .76rem; }
  .restricted-dot { display: none; }
  .hero { min-height: auto; padding: 4.4rem 0 4.8rem; }
  .hero-layout { gap: 2.5rem; }
  .hero h1 { font-size: clamp(2.85rem, 15vw, 4.3rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-contact { display: grid; gap: .1rem; }
  .hero-visual { min-height: 22rem; }
  .signal-card { padding: .9rem; transform: none; }
  .signal-flow { gap: .25rem; padding: 1.4rem 0; }
  .signal-line { width: 1rem; }
  .signal-node span { width: 2.35rem; height: 2.35rem; }
  .signal-node strong { font-size: .68rem; }
  .signal-node small { display: none; }
  .signal-metrics { grid-template-columns: 1fr; }
  .floating-card { display: none; }
  .section { padding: 4.6rem 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card:last-child { grid-column: auto; }
  .feature-card { min-height: 0; }
  .method-layout { gap: 2rem; }
  .process-list li { grid-template-columns: 2.8rem 1fr; gap: .7rem; }
  .nfse-card, .contact-card { padding: 1.4rem; border-radius: 1.2rem; }
  .contact-card h2 { max-width: none; }
  .phone-link strong { font-size: 2rem; }
  .site-footer { padding-top: 1.6rem; }
  .footer-main { grid-template-columns: 1fr; gap: .85rem; padding-bottom: 1.1rem; }
  .footer-brand { width: 8.4rem; }
  .footer-contact { grid-column: auto; display: grid; gap: .7rem; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: .25rem; }
}

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