:root {
  --blue: #004bf8;
  --blue-light: #78a5ff;
  --blue-soft: #eaf0ff;
  --ink: #0d1421;
  --muted: #5d6878;
  --line: #dfe4ec;
  --paper: #ffffff;
  --soft: #f5f7fa;
  --night: #05070b;
  --night-soft: #0b1018;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(4, 12, 30, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { margin: 0; line-height: 1.06; }
p { margin: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--blue);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 78px;
  padding: 10px clamp(20px, 4.5vw, 72px);
  color: var(--white);
  background: rgba(5, 7, 11, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(18px);
  transition: background 180ms ease, box-shadow 180ms ease;
}
.site-header.scrolled {
  background: rgba(5, 7, 11, 0.95);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.24);
}
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
.brand img {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  object-fit: cover;
}
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong, .footer-brand strong { font-size: 1.18rem; letter-spacing: -0.04em; }
.brand-copy strong span, .footer-brand strong span { color: var(--blue); }
.brand-copy small {
  margin-top: 7px;
  color: #a7b0bf;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.site-nav { display: flex; justify-content: center; gap: clamp(18px, 3vw, 38px); }
.site-nav a { color: #c3c9d2; font-size: 0.88rem; font-weight: 700; transition: color 150ms ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--white); }
.nav-toggle { display: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 52px;
  padding: 13px 20px;
  border: 1px solid var(--blue);
  border-radius: 0;
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 14px 34px rgba(0, 75, 248, 0.24);
  cursor: pointer;
  font-weight: 820;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.button:hover { background: #175cff; box-shadow: 0 18px 40px rgba(0, 75, 248, 0.34); transform: translateY(-2px); }
.button:focus-visible, .text-link:focus-visible, .site-nav a:focus-visible { outline: 3px solid var(--blue-light); outline-offset: 4px; }
.button-small { min-height: 42px; padding: 10px 16px; font-size: 0.82rem; }
.button-light { color: var(--ink); background: var(--white); border-color: var(--white); box-shadow: none; }
.button-light:hover { color: var(--white); background: var(--blue); border-color: var(--blue); }

.hero {
  position: relative;
  min-height: 780px;
  padding: 150px clamp(20px, 5vw, 84px) 86px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 38%, rgba(0, 75, 248, 0.2), transparent 29%),
    linear-gradient(140deg, #05070b 0%, #080d15 58%, #030509 100%);
}
.hero::after {
  position: absolute;
  right: -120px;
  bottom: -240px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(0, 75, 248, 0.23);
  border-radius: 50%;
  content: "";
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: linear-gradient(to right, black, transparent 68%);
}
.hero-shell, .section-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  margin: 0 auto;
}
.hero-shell { display: grid; grid-template-columns: minmax(0, 1.14fr) minmax(360px, 0.86fr); align-items: center; gap: clamp(48px, 7vw, 100px); }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: #b9c4d4;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow span { width: 34px; height: 2px; background: var(--blue); }
.eyebrow.dark { color: #697484; }
.hero h1 { max-width: 780px; font-size: clamp(3.4rem, 6.1vw, 6.5rem); letter-spacing: -0.065em; }
.hero h1 em { color: var(--blue-light); font-style: normal; }
.hero-lead { max-width: 670px; margin-top: 28px; color: #bac3cf; font-size: clamp(1.05rem, 1.45vw, 1.28rem); }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 36px; }
.text-link { color: #dfe5ed; font-weight: 780; }
.text-link span { margin-left: 8px; color: var(--blue-light); }
.hero-points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 48px 0 0; padding: 24px 0 0; border-top: 1px solid rgba(255, 255, 255, 0.13); list-style: none; }
.hero-points li { display: grid; gap: 6px; color: #aeb8c5; font-size: 0.76rem; }
.hero-points b { color: var(--blue-light); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.66rem; }

.hero-visual { position: relative; }
.visual-frame {
  position: relative;
  min-height: 485px;
  padding: 52px 40px 32px;
  overflow: hidden;
  border: 1px solid rgba(117, 151, 224, 0.28);
  background: linear-gradient(145deg, rgba(12, 18, 29, 0.86), rgba(3, 5, 9, 0.98));
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.44), inset 0 1px rgba(255, 255, 255, 0.07);
}
.visual-frame::before {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  content: "";
}
.visual-frame::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 5px;
  height: 42%;
  background: var(--blue);
  box-shadow: 0 0 28px rgba(0, 75, 248, 0.8);
  content: "";
}
.frame-label { position: relative; z-index: 1; color: #667386; font: 700 0.62rem ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: 0.13em; text-transform: uppercase; }
.visual-frame img { position: relative; z-index: 1; width: min(340px, 88%); margin: 14px auto 0; filter: drop-shadow(0 28px 40px rgba(0, 0, 0, 0.36)); }
.build-status { position: relative; z-index: 1; display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-top: -8px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.build-status span { display: flex; align-items: center; gap: 7px; color: #aeb8c5; font-size: 0.7rem; }
.build-status i { width: 7px; height: 7px; border-radius: 50%; background: #31d583; box-shadow: 0 0 10px #31d583; }
.build-status strong { color: var(--white); font-size: 0.78rem; text-transform: uppercase; }

.trust-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--line); background: var(--white); }
.trust-strip > div { position: relative; display: grid; grid-template-columns: auto 1fr; column-gap: 13px; padding: 24px clamp(24px, 4vw, 58px); border-right: 1px solid var(--line); }
.trust-strip > div:last-child { border-right: 0; }
.trust-strip span { grid-row: 1 / 3; align-self: center; color: var(--blue); font: 800 0.67rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.trust-strip strong { font-size: 0.85rem; }
.trust-strip small { margin-top: 2px; color: var(--muted); font-size: 0.73rem; }

.section { padding: clamp(84px, 10vw, 138px) clamp(20px, 5vw, 84px); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.65fr); align-items: end; gap: clamp(38px, 7vw, 90px); }
.section-heading h2, .foundation h2, .process h2, .faq h2 { max-width: 760px; font-size: clamp(2.5rem, 4.4vw, 4.8rem); letter-spacing: -0.055em; }
.section-heading > p, .foundation-intro > p, .process-heading > p, .faq-intro > p { color: var(--muted); font-size: 1.02rem; }

.services { background: var(--paper); }
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 64px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-grid article { min-height: 285px; padding: 30px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background 180ms ease, transform 180ms ease; }
.service-grid article:hover { position: relative; z-index: 1; background: var(--blue-soft); transform: translateY(-5px); }
.card-number { display: block; margin-bottom: 70px; color: var(--blue); font: 800 0.7rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.service-grid h3 { font-size: 1.22rem; }
.service-grid p { margin-top: 13px; color: var(--muted); font-size: 0.9rem; }

.benefits { color: var(--white); background: var(--night); }
.benefits-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr); gap: clamp(60px, 10vw, 140px); }
.benefits-copy { position: sticky; top: 130px; align-self: start; }
.benefits h2, .about h2, .contact h2 { font-size: clamp(2.7rem, 4.9vw, 5.2rem); letter-spacing: -0.06em; }
.benefits-copy > p:not(.eyebrow), .about-copy > p:not(.eyebrow), .contact-copy > p:not(.eyebrow) { margin-top: 28px; color: #aeb8c5; font-size: 1.04rem; }
.benefits-copy .button { margin-top: 36px; }
.benefit-list { border-top: 1px solid #273140; }
.benefit-list article { display: grid; grid-template-columns: 48px 1fr; gap: 24px; padding: 31px 0; border-bottom: 1px solid #273140; }
.benefit-list > article > span { color: var(--blue-light); font: 800 0.7rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.benefit-list h3 { font-size: 1.3rem; }
.benefit-list p { margin-top: 8px; color: #8f9aaa; font-size: 0.92rem; }

.foundation { background: var(--soft); }
.foundation-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr); gap: clamp(60px, 9vw, 130px); }
.foundation-intro > p { margin-top: 24px; }
.foundation-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; padding: 0; border-top: 1px solid #cfd6df; border-left: 1px solid #cfd6df; list-style: none; }
.foundation-list li { min-height: 104px; padding: 22px; border-right: 1px solid #cfd6df; border-bottom: 1px solid #cfd6df; font-size: 0.9rem; font-weight: 780; }
.foundation-list span { display: block; margin-bottom: 20px; color: var(--blue); font: 800 0.65rem ui-monospace, SFMono-Regular, Consolas, monospace; }

.process { background: var(--white); }
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 70px 0 0; padding: 0; list-style: none; }
.process-grid li { position: relative; min-height: 270px; padding: 30px 26px; border-top: 2px solid var(--ink); border-right: 1px solid var(--line); }
.process-grid li:last-child { border-right: 0; }
.process-grid li::before { position: absolute; top: -7px; left: 0; width: 12px; height: 12px; background: var(--blue); content: ""; }
.process-grid span { color: var(--blue); font: 800 0.7rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.process-grid h3 { margin-top: 62px; font-size: 1.18rem; }
.process-grid p { margin-top: 12px; color: var(--muted); font-size: 0.88rem; }

.about { overflow: hidden; color: var(--white); background: linear-gradient(128deg, #0b1018, #030509); }
.about-layout { display: grid; grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr); align-items: center; gap: clamp(56px, 9vw, 130px); }
.about-mark { position: relative; padding: 30px; border: 1px solid #273140; background: #05070b; }
.about-mark::before { position: absolute; inset: -18px 18px 18px -18px; z-index: -1; border: 1px solid rgba(0, 75, 248, 0.55); content: ""; }
.about-copy blockquote { margin: 38px 0 0; padding: 22px 0 22px 24px; border-left: 3px solid var(--blue); color: #dfe5ed; font-size: 1.23rem; font-weight: 720; }

.faq { background: var(--soft); }
.faq-layout { display: grid; grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr); gap: clamp(54px, 8vw, 120px); }
.faq-list { border-top: 1px solid #cbd3dd; }
.faq details { border-bottom: 1px solid #cbd3dd; }
.faq summary { position: relative; padding: 25px 52px 25px 0; cursor: pointer; font-size: 1rem; font-weight: 780; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { position: absolute; top: 21px; right: 4px; color: var(--blue); content: "+"; font-size: 1.4rem; font-weight: 500; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 58px 25px 0; color: var(--muted); }

.contact { color: var(--white); background: var(--night); }
.contact-layout { display: grid; grid-template-columns: minmax(300px, 0.78fr) minmax(500px, 1.22fr); gap: clamp(60px, 9vw, 126px); }
.contact-copy { align-self: start; }
.contact-note { margin-top: 42px; padding-top: 24px; border-top: 1px solid #273140; }
.contact-note span { color: var(--blue-light); font-size: 0.72rem; font-weight: 850; letter-spacing: 0.13em; text-transform: uppercase; }
.contact-note p { margin-top: 10px; color: #8f9aaa; font-size: 0.88rem; }
.inquiry-form { padding: clamp(24px, 4vw, 42px); border: 1px solid #273140; background: var(--night-soft); box-shadow: var(--shadow); }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.inquiry-form label, .inquiry-form legend { display: grid; gap: 9px; color: #d8dee7; font-size: 0.77rem; font-weight: 780; }
.inquiry-form > label, .inquiry-form > fieldset, .inquiry-form > .field-grid { margin-bottom: 22px; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea {
  width: 100%;
  min-height: 49px;
  padding: 12px 13px;
  border: 1px solid #344256;
  border-radius: 0;
  color: var(--white);
  background: #080c13;
  outline: none;
}
.inquiry-form textarea { resize: vertical; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 75, 248, 0.18); }
.inquiry-form input::placeholder, .inquiry-form textarea::placeholder { color: #697587; }
.inquiry-form select { color-scheme: dark; }
.inquiry-form fieldset { display: flex; flex-wrap: wrap; gap: 16px 28px; padding: 18px; border: 1px solid #344256; }
.inquiry-form fieldset legend { padding: 0 8px; }
.inquiry-form fieldset label { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.inquiry-form fieldset input { width: 17px; min-height: 17px; accent-color: var(--blue); }
.honeypot { position: absolute; left: -9999px; }
.form-submit { width: 100%; border: 0; }
.form-note { margin-top: 13px; color: #7d8999; font-size: 0.72rem; text-align: center; }

.site-footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; padding: 34px clamp(20px, 5vw, 84px); color: #8e99a8; background: #020306; border-top: 1px solid #1e2734; font-size: 0.75rem; }
.footer-brand { display: flex; align-items: baseline; gap: 14px; color: var(--white); }
.footer-brand p { color: #778394; font-size: 0.62rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }

@media (max-width: 1000px) {
  .hero { min-height: auto; }
  .hero-shell { grid-template-columns: 1fr; }
  .hero-copy { max-width: 800px; }
  .hero-visual { width: min(620px, 100%); }
  .service-grid, .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .benefits-layout, .foundation-layout, .about-layout, .faq-layout, .contact-layout { grid-template-columns: 1fr; }
  .benefits-copy { position: static; }
  .foundation-intro, .faq-intro, .contact-copy { max-width: 720px; }
  .contact-layout { gap: 48px; }
  .inquiry-form { max-width: 780px; }
}

@media (max-width: 800px) {
  html { scroll-padding-top: 70px; }
  .site-header { grid-template-columns: 1fr auto; min-height: 70px; padding: 9px 18px; }
  .brand img { width: 43px; height: 43px; }
  .header-cta { display: none; }
  .nav-toggle { display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; border: 1px solid #344256; color: var(--white); background: transparent; cursor: pointer; }
  .nav-toggle i { display: block; width: 20px; height: 2px; margin: 2px 0; background: currentColor; transition: transform 160ms ease, opacity 160ms ease; }
  .nav-toggle[aria-expanded="true"] i:nth-of-type(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] i:nth-of-type(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] i:nth-of-type(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 70px 0 auto; display: grid; gap: 0; padding: 12px 18px 22px; background: #05070b; border-bottom: 1px solid #273140; transform: translateY(-140%); transition: transform 180ms ease; }
  .site-nav.open { transform: translateY(0); }
  .site-nav a { padding: 16px 4px; border-bottom: 1px solid #1f2936; font-size: 1rem; }
  .hero { padding: 122px 20px 72px; }
  .hero h1 { font-size: clamp(3rem, 13vw, 5.2rem); }
  .section { padding: 80px 20px; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .trust-strip { grid-template-columns: 1fr; }
  .trust-strip > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-strip > div:last-child { border-bottom: 0; }
  .site-footer { grid-template-columns: 1fr; gap: 14px; }
}

@media (max-width: 580px) {
  .brand-copy small { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .hero-actions .button { width: 100%; }
  .text-link { text-align: center; }
  .hero-points { grid-template-columns: 1fr; gap: 14px; }
  .visual-frame { min-height: 390px; padding: 42px 25px 26px; }
  .service-grid, .process-grid, .foundation-list, .field-grid { grid-template-columns: 1fr; }
  .card-number { margin-bottom: 38px; }
  .service-grid article { min-height: 230px; }
  .process-grid li { min-height: 230px; border-right: 0; }
  .about-mark { padding: 15px; }
  .inquiry-form { padding: 24px 18px; }
  .inquiry-form fieldset { align-items: flex-start; flex-direction: column; }
  .footer-brand { align-items: flex-start; flex-direction: column; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}