:root {
  color-scheme: light;
  --ink: #173452;
  --ink-soft: #586f84;
  --cream: #f5faff;
  --paper: #ffffff;
  --line: #d7e5f0;
  --lime: #bcecff;
  --forest: #173b62;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: "Aptos", "Segoe UI", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
::selection { color: var(--ink); background: var(--lime); }

.shell { width: min(100% - 72px, 1260px); margin-inline: auto; }
.skip-link { position: absolute; z-index: 100; top: -80px; left: 24px; padding: 12px 18px; background: var(--lime); color: var(--ink); }
.skip-link:focus { top: 16px; }

.site-header { position: relative; z-index: 10; border-bottom: 1px solid rgba(23, 52, 82, .12); background: var(--cream); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 92px; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; flex-shrink: 0; }
.brand-mark { display: grid; grid-template-columns: repeat(2, 12px); grid-template-rows: repeat(2, 12px); gap: 3px; transform: rotate(-12deg); }
.brand-mark span { background: var(--forest); border-radius: 2px; }
.brand-mark span:nth-child(2) { background: #69a9dc; }
.brand-mark span:nth-child(3) { background: #91c9ed; }
.brand-mark span:nth-child(4) { background: var(--lime); }
.brand-name { display: flex; flex-direction: column; font-size: 19px; font-weight: 760; letter-spacing: -.055em; line-height: 1.05; }
.brand-name span { font-size: 10px; text-transform: uppercase; letter-spacing: .16em; font-weight: 660; margin-top: 5px; }
.site-header nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 44px); }
.site-header nav a { text-decoration: none; font-size: 13px; font-weight: 620; transition: opacity .2s ease; }
.site-header nav a:hover { opacity: .58; }
.site-header nav .nav-contact { border: 1px solid var(--ink); border-radius: 100px; padding: 11px 17px; }
.nav-contact span { margin-left: 10px; font-size: 16px; }

.hero { overflow: hidden; background: var(--cream); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(30px, 5vw, 90px); min-height: 650px; padding-block: 65px 55px; }
.hero-copy { position: relative; z-index: 2; padding-block: 40px; }
.eyebrow, .section-label { display: flex; align-items: center; gap: 10px; margin: 0 0 28px; color: #547b9f; font-size: 11px; line-height: 1.3; letter-spacing: .22em; text-transform: uppercase; font-weight: 760; }
.eyebrow-line { display: inline-block; width: 26px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; margin-bottom: 28px; font-size: clamp(58px, 6.7vw, 108px); line-height: .99; font-weight: 690; letter-spacing: -.074em; }
h1 em { color: #63a9dc; letter-spacing: -.078em; }
.hero-lead { max-width: 530px; margin-bottom: 35px; color: var(--ink-soft); font-size: clamp(17px, 1.55vw, 20px); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 30px; padding: 17px 22px; border-radius: 999px; text-decoration: none; font-size: 13px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-3px); }
.button-dark { background: var(--ink); color: #fff; }
.button-dark:hover { background: #2b618e; }
.button span { font-size: 18px; }
.text-link { font-size: 13px; text-decoration: none; font-weight: 700; border-bottom: 1px solid currentColor; padding-bottom: 4px; }
.text-link span { padding-left: 10px; }
.text-link:hover { color: #4c9acb; }

.hero-visual { position: relative; isolation: isolate; aspect-ratio: .94; min-height: 510px; overflow: hidden; border-radius: 9px; background: radial-gradient(circle at 48% 42%, #4d92c4 0, #285d86 28%, #173e64 66%, #102c4d 100%); box-shadow: 0 30px 60px rgba(16, 52, 88, .16); }
.visual-grid { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(#d9efff 1px, transparent 1px), linear-gradient(90deg, #d9efff 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(110deg, transparent, #000 35%, #000 75%, transparent); }
.visual-orbit { position: absolute; border: 1px solid rgba(188, 236, 255, .35); border-radius: 50%; transform: rotate(-22deg); }
.orbit-one { width: 82%; aspect-ratio: 1; top: 9%; left: 9%; }
.orbit-two { width: 58%; aspect-ratio: 1; top: 21%; left: 21%; border-style: dashed; border-color: rgba(188, 236, 255, .24); }
.visual-core { position: absolute; top: 50%; left: 50%; width: 43%; aspect-ratio: 1; transform: translate(-50%, -50%) rotate(-13deg); display: flex; align-items: center; justify-content: center; flex-direction: column; border: 1px solid rgba(255, 255, 255, .3); border-radius: 30%; background: linear-gradient(145deg, #e4f7ff, #8cccf0); box-shadow: 0 24px 70px rgba(0, 0, 0, .22), inset 0 0 40px rgba(255,255,255,.28); }
.core-symbol { color: #174b76; font-family: Consolas, monospace; font-weight: 780; font-size: clamp(44px, 5vw, 74px); letter-spacing: -.17em; transform: translateX(-4px); }
.core-caption { margin-top: 12px; color: #275e89; font-family: Consolas, monospace; font-size: 10px; letter-spacing: .03em; transform: rotate(13deg); }
.float-card { position: absolute; display: flex; align-items: center; gap: 9px; padding: 14px 18px; border: 1px solid rgba(255,255,255,.3); border-radius: 7px; color: white; background: rgba(17, 51, 84, .85); backdrop-filter: blur(10px); font-family: Consolas, monospace; font-size: 13px; box-shadow: 0 10px 35px rgba(0,0,0,.12); }
.card-top { top: 19%; left: 3%; transform: rotate(-5deg); }
.card-bottom { bottom: 17%; right: 3%; transform: rotate(5deg); }
.card-index { color: #bcecff; font-size: 11px; }
.card-dot { width: 7px; height: 7px; margin-left: 12px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 13px var(--lime); }
.card-arrow { margin-left: 10px; color: var(--lime); font-size: 18px; }
.visual-coordinate { position: absolute; color: rgba(225, 245, 255, .6); font-family: Consolas, monospace; font-size: 10px; letter-spacing: .16em; }
.coordinate-top { top: 28px; right: 28px; }
.coordinate-bottom { bottom: 27px; left: 28px; }
.hero-bottom { display: flex; align-items: center; gap: 25px; min-height: 80px; border-top: 1px solid rgba(23, 52, 82, .15); color: #60788d; font-size: 11px; text-transform: uppercase; letter-spacing: .17em; font-weight: 700; }
.hero-bottom span:first-child::after { content: "·"; margin-left: 25px; }
.hero-bottom a { margin-left: auto; display: grid; place-items: center; width: 31px; height: 31px; border: 1px solid #9eb7ca; border-radius: 50%; text-decoration: none; font-size: 18px; }

.section-pad { padding-block: clamp(90px, 10vw, 150px); }
.section-label { margin-bottom: 32px; }
.section-label span { color: #5a9cc9; }
h2 { font-size: clamp(48px, 5.9vw, 86px); line-height: 1.05; font-weight: 660; letter-spacing: -.067em; }
h2 em { color: #5f9fce; }
.intro { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 10%; }
.intro-copy { align-self: end; padding-bottom: 10px; }
.intro-copy p { max-width: 570px; color: #64788b; font-size: 16px; line-height: 1.8; }
.intro-copy .large-copy { margin-bottom: 25px; color: var(--ink); font-size: clamp(19px, 1.9vw, 24px); line-height: 1.55; }

.approach { background: #eaf5fc; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 62px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 280px; margin-bottom: 8px; color: #5a7288; font-size: 16px; line-height: 1.65; }
.steps { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #b8d3e6; border-bottom: 1px solid #b8d3e6; }
.step { position: relative; min-height: 290px; padding: 30px 36px 28px 0; }
.step + .step { border-left: 1px solid #b8d3e6; padding-left: 36px; }
.step-number { display: block; color: #5d9bc7; font-family: Consolas, monospace; font-size: 12px; }
.step-icon { display: block; margin: 34px 0 27px; color: #4f92c2; font-size: 34px; line-height: 1; }
.step h3 { margin-bottom: 12px; font-size: 24px; letter-spacing: -.04em; }
.step p { max-width: 360px; margin-bottom: 0; color: #61788b; font-size: 14px; line-height: 1.7; }

.contact { color: #f6fbff; background: var(--forest); }
.contact-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 10%; align-items: center; }
.section-label.light { color: #b5d9f0; }
.contact h2 { margin-bottom: 27px; }
.contact h2 em { color: var(--lime); }
.contact-grid > div:first-child > p:last-child { max-width: 400px; color: #c1dbed; font-size: 17px; line-height: 1.7; }
.contact-panel { padding: 42px; border: 1px solid rgba(218, 240, 255, .28); border-radius: 7px; background: rgba(255, 255, 255, .04); }
.contact-panel-label { display: block; margin-bottom: 18px; color: #b3d5ec; font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.contact-email { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: #f4faff; text-decoration: none; overflow-wrap: anywhere; font-size: clamp(17px, 2vw, 25px); font-weight: 650; letter-spacing: -.04em; }
.contact-email:hover { color: var(--lime); }
.contact-email span { flex: 0 0 auto; font-size: 23px; color: var(--lime); }
.contact-divider { height: 1px; margin: 34px 0; background: rgba(218, 240, 255, .23); }
.contact address { color: #f4faff; font-style: normal; font-size: 16px; line-height: 1.7; }

.site-footer { color: #5b7388; background: #f2f7fb; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 110px; }
.footer-inner p { margin: 0; font-size: 11px; line-height: 1.5; }
.footer-brand .brand-name { font-size: 15px; }
.footer-brand .brand-name span { font-size: 8px; }
.footer-brand .brand-mark { transform: rotate(-12deg) scale(.78); transform-origin: center; margin-right: -4px; }

@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr .8fr; gap: 30px; }
  h1 { font-size: clamp(56px, 6.5vw, 84px); }
  .hero-visual { min-height: 440px; }
  .intro-grid, .contact-grid { gap: 6%; }
  .step { padding-right: 22px; }
  .step + .step { padding-left: 22px; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 36px, 580px); }
  .header-inner { min-height: 76px; }
  .site-header nav { gap: 16px; }
  .site-header nav a:not(.nav-contact) { display: none; }
  .site-header nav .nav-contact { padding: 9px 13px; }
  .brand-name { font-size: 17px; }
  .brand-mark { grid-template-columns: repeat(2, 10px); grid-template-rows: repeat(2, 10px); }
  .hero-grid { grid-template-columns: 1fr; min-height: 0; padding-top: 45px; padding-bottom: 40px; gap: 15px; }
  .hero-copy { padding-block: 10px 0; }
  h1 { font-size: clamp(54px, 10.2vw, 77px); }
  .hero-lead { font-size: 17px; }
  .hero-visual { width: 100%; min-height: 0; aspect-ratio: 1.18; }
  .core-symbol { font-size: clamp(44px, 10vw, 72px); }
  .hero-bottom { min-height: 66px; gap: 12px; font-size: 9px; }
  .hero-bottom span:first-child::after { margin-left: 12px; }
  .intro-grid, .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .intro-copy { padding-bottom: 0; }
  .section-heading { display: block; margin-bottom: 40px; }
  .section-heading > p { max-width: 520px; margin-top: 20px; }
  .steps { grid-template-columns: 1fr; }
  .step, .step + .step { min-height: 0; padding: 26px 0 30px; border-left: 0; }
  .step + .step { border-top: 1px solid #b8d3e6; }
  .step-icon { margin: 20px 0 19px; }
  .contact-panel { padding: 29px; }
  .footer-inner { flex-wrap: wrap; justify-content: flex-start; padding-block: 28px; gap: 12px 25px; }
  .footer-brand { width: 100%; }
}

@media (max-width: 440px) {
  h1 { font-size: 51px; }
  .hero-actions { gap: 20px; }
  .hero-bottom span:nth-child(2) { display: none; }
  .hero-bottom span:first-child::after { display: none; }
  .float-card { font-size: 10px; padding: 10px; }
  .visual-coordinate { font-size: 8px; }
  .section-pad { padding-block: 75px; }
  h2 { font-size: 49px; }
}

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