:root {
  --color-primary: #1155cc;
  --color-primary-deep: #0a2d6c;
  --color-secondary: #09a7a1;
  --color-background: #f4f7fb;
  --color-surface: #ffffff;
  --color-surface-strong: #e9f0f9;
  --color-text: #10213a;
  --color-text-muted: #5b6a7d;
  --color-border: #cfd9e7;
  --color-accent: #ff6b35;
  --color-dark: #071426;
  --color-dark-soft: #10213a;
  --color-focus: #ffb000;
  --space-1: .5rem;
  --space-2: .75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;
  --radius-sm: .65rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.75rem;
  --shadow-soft: 0 1.25rem 3rem rgba(17, 52, 92, .12);
  --shadow-lift: 0 .65rem 1.6rem rgba(17, 52, 92, .16);
  --shadow-card: 0 1px 2px rgba(7, 20, 38, .04), 0 1rem 2.5rem rgba(17, 52, 92, .07);
  --grid-line: rgba(17, 85, 204, .055);
  --max-width: 74rem;
  --measure: 40rem;
  --measure-wide: 48rem;
  --nav-height: 5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + 1rem); }
body {
  margin: 0;
  color: var(--color-text);
  background:
    radial-gradient(circle at 8% 12%, rgba(17, 85, 204, .055), transparent 24rem),
    var(--color-background);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(1rem, .97rem + .12vw, 1.075rem);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, .button, .nav-link { min-height: 44px; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }
::selection { color: #fff; background: var(--color-primary); }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  transform: translateY(-180%);
  padding: .8rem 1rem;
  border-radius: var(--radius-sm);
  color: #fff;
  background: var(--color-dark);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  padding: .65rem 1rem 0;
  background: transparent;
  pointer-events: none;
}
.site-header::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 50%;
  width: min(42rem, 70%);
  height: 2px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(17, 85, 204, .38) 35%, rgba(9, 167, 161, .38) 65%, transparent);
  transform: translateX(-50%);
}
.nav-shell {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: var(--nav-height);
  max-width: var(--max-width);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin: 0 auto;
  padding: .55rem .65rem .55rem 1.1rem;
  border: 1px solid rgba(207, 217, 231, .82);
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 .5rem 2rem rgba(17, 52, 92, .09), inset 0 1px rgba(255, 255, 255, .9);
  backdrop-filter: saturate(160%) blur(20px);
  pointer-events: auto;
}
.brand { display: inline-flex; align-items: center; gap: .8rem; min-height: 44px; text-decoration: none; }
.brand img { width: clamp(9.5rem, 15vw, 13rem); height: auto; }
.brand-signal { padding-left: .8rem; border-left: 1px solid var(--color-border); color: var(--color-primary); font-size: .64rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
.nav-menu { display: flex; align-items: center; gap: .25rem; margin: 0; padding: 0; list-style: none; }
.menu-intro { display: none; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: .55rem .75rem;
  border-radius: .7rem;
  color: var(--color-text-muted);
  font-size: .9rem;
  font-weight: 650;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, transform .1s ease;
}
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--color-primary-deep); background: rgba(17, 85, 204, .08); }
.nav-link[aria-current="page"] { box-shadow: inset 0 -2px var(--color-primary), 0 .3rem 1rem rgba(17, 85, 204, .06); }
.nav-link:active { transform: scale(.97); }
.nav-cta { margin-left: .4rem; padding-inline: 1rem; border-radius: 99rem; color: #071426; background-color: #00c1d5; background-image: linear-gradient(rgba(255,255,255,.42), rgba(255,255,255,.42)), linear-gradient(125deg, #008ad5 2%, #00c1d5 31%, #9e005d 57%, #f95700 79%, #ff8a33 104%); background-size: 100% 100%, 240% 240%; background-blend-mode: screen, normal; box-shadow: 0 .35rem 1rem rgba(17, 85, 204, .18); animation: nav-cta-flow 7s ease-in-out infinite alternate; }
.nav-cta:hover { color: #071426; background-color: #00c1d5; filter: brightness(1.04) saturate(1.06); }
.nav-cta[aria-current="page"] { color: #071426; background-color: #00c1d5; box-shadow: 0 .35rem 1rem rgba(17, 85, 204, .18); }
.nav-arrow { display: grid; width: 1.45rem; aspect-ratio: 1; place-items: center; margin-left: .15rem; border-radius: 50%; color: var(--color-primary-deep); background: #fff; font-size: .8rem; transition: transform .2s ease; }
.nav-cta:hover .nav-arrow { transform: translate(2px, -2px); }
.menu-toggle {
  display: none;
  width: 46px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--color-surface);
  cursor: pointer;
}
.nav-backdrop { display: none; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  content: "";
  background: currentColor;
  transition: transform .25s ease, opacity .25s ease;
}
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-6px) rotate(-45deg); }

.container { width: min(calc(100% - 2.5rem), var(--max-width)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2.5rem), 50rem); margin-inline: auto; }
.section { position: relative; padding: clamp(3.75rem, 7vw, var(--space-8)) 0; }
.section-tight { position: relative; padding: clamp(2.75rem, 5vw, 4.25rem) 0; }
.section-dark { color: #fff; background: var(--color-dark); }
.section-blue { color: #fff; background: var(--color-primary-deep); }
.section-white { background: var(--color-surface); }
.section-border { border-block: 1px solid var(--color-border); }
.eyebrow {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin: 0 0 var(--space-3);
  color: var(--color-primary);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.eyebrow::before { width: 1.65rem; height: 2px; flex: 0 0 auto; content: ""; background: currentColor; }
.section-dark .eyebrow, .section-blue .eyebrow { color: #7de3de; }
.display, h1, h2, h3 { margin-top: 0; text-wrap: balance; }
h1, .display {
  max-width: 16ch;
  margin-bottom: var(--space-4);
  font-size: clamp(3rem, 6.25vw, 5.8rem);
  font-weight: 730;
  letter-spacing: -.047em;
  line-height: .98;
}
h2 {
  max-width: 22ch;
  margin-bottom: var(--space-4);
  font-size: clamp(2rem, 4vw, 3.75rem);
  font-weight: 720;
  letter-spacing: -.035em;
  line-height: 1.06;
}
h3 { margin-bottom: .75rem; font-size: clamp(1.3rem, 1.65vw, 1.65rem); line-height: 1.2; }
p { text-wrap: pretty; }
.lede { max-width: var(--measure); margin: 0 0 var(--space-5); color: var(--color-text-muted); font-size: clamp(1.08rem, 1.35vw, 1.3rem); line-height: 1.55; }
.section-dark .lede, .section-blue .lede { color: rgba(255, 255, 255, .74); }
.micro { color: var(--color-text-muted); font-size: .82rem; }
.section-dark .micro, .section-blue .micro { color: rgba(255, 255, 255, .64); }

.button-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .72rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 99rem;
  color: #fff;
  background: var(--color-primary);
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  transition: transform .16s ease, background .2s ease, box-shadow .2s ease;
}
.button:hover { background: var(--color-primary-deep); box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.button:active { transform: scale(.98); }
.button-secondary { border-color: var(--color-border); color: var(--color-text); background: var(--color-surface); box-shadow: 0 .35rem 1rem rgba(17, 52, 92, .08); }
.button-secondary:hover { color: var(--color-primary-deep); background: var(--color-surface-strong); }
.section-dark .button-secondary, .section-blue .button-secondary { border-color: rgba(255,255,255,.28); color: #fff; background: rgba(255,255,255,.08); }
.text-link { display: inline-flex; min-height: 44px; align-items: center; color: var(--color-primary); font-weight: 750; text-underline-offset: .25em; }
.section-dark .text-link, .section-blue .text-link { color: #7de3de; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 100svh;
  display: grid;
  align-items: center;
  color: #fff;
  background: #132dcc;
  isolation: isolate;
}
.hero::before {
  position: absolute;
  inset: -8%;
  content: "";
  z-index: -2;
  opacity: 1;
  background:
    radial-gradient(circle at 14% 18%, rgba(0, 193, 213, .94), transparent 29%),
    radial-gradient(circle at 84% 22%, rgba(158, 0, 93, .9), transparent 31%),
    radial-gradient(circle at 76% 82%, rgba(255, 138, 51, .9), transparent 29%),
    linear-gradient(125deg, #008ad5 2%, #00c1d5 31%, #9e005d 57%, #f95700 79%, #ff8a33 104%);
  background-size: 120% 120%;
  animation: hero-backdrop-flow 14s ease-in-out infinite alternate;
}
.hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  opacity: .34;
  background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(90deg, transparent 3%, #000 58%, #000);
}
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(19rem, .88fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; padding-top: calc(var(--nav-height) + clamp(3.5rem, 7vw, 6rem)); padding-bottom: clamp(4rem, 8vw, 6.5rem); }
.hero-grid > :first-child { position: relative; z-index: 1; padding: clamp(1rem, 2.5vw, 2rem); border-left: 1px solid rgba(255,255,255,.34); border-radius: 0 var(--radius-lg) var(--radius-lg) 0; background: linear-gradient(90deg, rgba(7,20,38,.68), rgba(7,20,38,.28) 72%, transparent); text-shadow: 0 2px 1.5rem rgba(5,13,54,.34); }
.brand-line { margin: calc(var(--space-5) * -0.35) 0 var(--space-5); color: rgba(255,255,255,.82); font-size: clamp(1rem, 1.25vw, 1.18rem); font-weight: 650; }
.hero-art {
  position: relative;
  min-height: clamp(31rem, 46vw, 39rem);
  overflow: hidden;
  margin: 0;
  border: 0;
  border-radius: clamp(1.5rem, 3vw, 2.75rem);
  background: transparent;
  box-shadow: none;
  isolation: isolate;
}
.hero-art-grid { position: absolute; z-index: -1; inset: 0; opacity: .28; background-image: linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px); background-size: 3.25rem 3.25rem; mask-image: radial-gradient(circle at center, #000, transparent 73%); }
.hero-ring { position: absolute; z-index: 0; top: 50%; left: 50%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.52); border-radius: 50%; animation: signal-spin 18s linear infinite; }
.hero-ring-outer { width: 82%; }
.hero-ring-inner { width: 58%; animation-duration: 13s; animation-direction: reverse; }
.hero-node { position: absolute; top: 50%; left: -5px; width: 10px; aspect-ratio: 1; border: 2px solid #fff; border-radius: 50%; background: #36e6df; box-shadow: 0 0 0 .45rem rgba(54,230,223,.16), 0 0 1.5rem #36e6df; animation: node-breathe 2.4s ease-in-out infinite alternate; }
.hero-node:nth-child(2) { top: auto; right: 12%; bottom: 8%; left: auto; background: #ffd45c; box-shadow: 0 0 0 .45rem rgba(255,212,92,.16), 0 0 1.5rem #ffd45c; animation-delay: -1.2s; }
.hero-logo-card { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; width: min(68%, 23rem); min-height: 12rem; place-items: center; padding: 2rem; border: 1px solid rgba(255,255,255,.62); border-radius: 1.65rem; background: rgba(255,255,255,.86); box-shadow: 0 1.5rem 4rem rgba(16,16,74,.28), inset 0 1px #fff; backdrop-filter: blur(18px) saturate(150%); transform: translate(-50%, -50%); }
.hero-logo-card img { width: min(100%, 16rem); height: auto; }
.hero-logo-kicker, .hero-logo-subline { color: #18336b; font-size: .63rem; font-weight: 850; letter-spacing: .14em; text-align: center; text-transform: uppercase; }
.hero-logo-subline { color: #536581; letter-spacing: .08em; }
.hero-signal-labels { position: absolute; z-index: 1; inset: 1.25rem; }
.hero-signal-labels span { position: absolute; padding: .45rem .7rem; border: 1px solid rgba(255,255,255,.38); border-radius: 99rem; color: #fff; background: rgba(12,23,65,.32); backdrop-filter: blur(8px); font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.hero-signal-labels span:nth-child(1) { top: 10%; left: 5%; }
.hero-signal-labels span:nth-child(2) { top: 16%; right: 2%; }
.hero-signal-labels span:nth-child(3) { right: 8%; bottom: 16%; }
.hero-art figcaption { position: absolute; z-index: 3; right: 1.25rem; bottom: 1.25rem; left: 1.25rem; padding-top: .9rem; border-top: 1px solid rgba(255,255,255,.34); color: rgba(255,255,255,.88); font-size: .82rem; line-height: 1.45; text-shadow: 0 1px 1rem rgba(17,20,71,.72); }
.hero-art figcaption strong { display: block; color: #fff; }

@keyframes nav-cta-flow { from { background-position: 0 0, 0% 42%; } to { background-position: 0 0, 100% 58%; } }
@keyframes hero-backdrop-flow { from { transform: translate3d(-2%, -1%, 0) scale(1.02); background-position: 0% 40%; } to { transform: translate3d(2%, 1%, 0) scale(1.08); background-position: 100% 60%; } }
@keyframes signal-spin { from { transform: translate(-50%, -50%) rotate(0); } to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes node-breathe { from { transform: scale(.72); } to { transform: scale(1.2); } }

.trust-line { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); }
.trust-line > p { max-width: 38rem; margin-block: 0; }
.trust-list { display: flex; flex-wrap: wrap; gap: .6rem; margin: 0; padding: 0; list-style: none; }
.trust-list li { padding: .52rem .8rem; border: 1px solid var(--color-border); border-radius: 99rem; color: var(--color-text-muted); background: var(--color-surface); font-size: .82rem; font-weight: 700; }
.capability-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-border); }
.capability { position: relative; min-height: 31rem; padding: clamp(1.25rem, 2vw, 1.6rem); background: var(--color-surface); transition: background .25s ease, box-shadow .25s ease, transform .25s ease; }
.capability::before { position: absolute; top: 0; right: 0; left: 0; height: 3px; content: ""; opacity: 0; background: linear-gradient(90deg, var(--color-primary), var(--color-secondary)); transition: opacity .25s ease; }
.capability:hover { z-index: 1; background: #fbfdff; box-shadow: var(--shadow-card); transform: translateY(-4px); }
.capability:hover::before { opacity: 1; }
.capability-visual { width: 100%; aspect-ratio: 10 / 7; margin-bottom: 1.35rem; border-radius: var(--radius-md); object-fit: cover; box-shadow: inset 0 0 0 1px rgba(17,52,92,.08); }
.capability-number { display: block; margin-bottom: 1rem; color: var(--color-primary); font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
.capability p { color: var(--color-text-muted); }

.split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.split-even { grid-template-columns: 1fr 1fr; }
.split > :last-child { max-width: var(--measure-wide); }
.sticky-copy { position: sticky; top: calc(var(--nav-height) + 2rem); }
.stack { display: grid; gap: 1rem; }
.service-row { display: grid; grid-template-columns: 4rem 1fr; gap: var(--space-4); padding: var(--space-5) 0; border-top: 1px solid var(--color-border); }
.service-row:last-child { border-bottom: 1px solid var(--color-border); }
.service-index { color: var(--color-primary); font-size: .78rem; font-weight: 800; letter-spacing: .1em; }
.service-row p { max-width: 38rem; margin-bottom: 0; color: var(--color-text-muted); }

.ai-preview { overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-lg); background: #0c1c32; box-shadow: 0 2.25rem 5rem rgba(0,0,0,.24); }
.ai-preview-grid { display: grid; grid-template-columns: 1fr 1fr; min-height: 34rem; }
.ai-copy { padding: clamp(2.25rem, 5vw, 4.25rem); }
.workflow-panel { display: flex; min-height: 34rem; flex-direction: column; justify-content: center; padding: clamp(2rem, 5vw, 4rem); border-left: 1px solid rgba(255,255,255,.12); background: #09182b; }
.workflow-title { margin: 0 0 1.25rem; color: #7de3de; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.workflow-steps { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.workflow-steps li { display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; align-items: center; padding: 1rem; border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius-sm); background: #10213a; }
.workflow-steps li > span { color: #7de3de; font-size: .75rem; font-weight: 800; letter-spacing: .1em; }
.workflow-steps strong, .workflow-steps small { display: block; }
.workflow-steps small { margin-top: .2rem; color: #b8c5d6; font-size: .82rem; }
.workflow-note { margin: 1.25rem 0 0; color: #b8c5d6; font-size: .86rem; }

.work-feature { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; overflow: hidden; margin-top: var(--space-6); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-lg); color: #fff; background: var(--color-dark); box-shadow: var(--shadow-soft); transition: box-shadow .3s ease, transform .3s ease; }
.work-feature:hover { box-shadow: 0 2rem 4.5rem rgba(17, 52, 92, .18); transform: translateY(-4px); }
.work-feature:nth-child(even) { grid-template-columns: .9fr 1.1fr; }
.work-feature:nth-child(even) .work-media { order: 2; }
.work-media { min-height: 24rem; overflow: hidden; background: var(--color-primary-deep); }
.work-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.work-feature:hover .work-media img { transform: scale(1.025); }
.work-copy { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(2rem, 5vw, 4rem); }
.work-meta { color: #7de3de; font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.work-copy p { color: rgba(255,255,255,.72); }

.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-border); }
.principle { position: relative; min-height: 15rem; padding: clamp(1.75rem, 3vw, 2.75rem); background: var(--color-surface); }
.principle::after { position: absolute; right: 1.5rem; bottom: 1.5rem; width: .55rem; aspect-ratio: 1; border-radius: 50%; content: ""; background: var(--color-secondary); box-shadow: 0 0 0 .35rem rgba(9,167,161,.1); }
.principle p { color: var(--color-text-muted); }
.process { counter-reset: step; }
.process-step { display: grid; grid-template-columns: 6rem 1fr; gap: var(--space-4); padding: var(--space-5) 0; border-top: 1px solid rgba(255,255,255,.16); }
.process-step::before { counter-increment: step; content: "0" counter(step); color: #7de3de; font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
.process-step p { margin: 0; color: rgba(255,255,255,.7); }

.page-hero { position: relative; overflow: hidden; padding: calc(var(--nav-height) + clamp(4.25rem, 8vw, 7rem)) 0 clamp(3.75rem, 7vw, 6rem); color: #fff; background: var(--color-dark); isolation: isolate; }
.page-hero::before { position: absolute; z-index: -2; inset: 0; content: ""; background: radial-gradient(circle at 82% 15%, rgba(9,167,161,.22), transparent 25rem), linear-gradient(120deg, rgba(17,85,204,.2), transparent 55%); }
.page-hero::after { position: absolute; z-index: -1; top: 0; right: 0; width: min(48rem, 62vw); height: 100%; content: ""; opacity: .3; background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 3.5rem 3.5rem; mask-image: linear-gradient(90deg, transparent, #000); }
.page-hero h1 { max-width: 16ch; font-size: clamp(2.8rem, 5.5vw, 5.1rem); }
.page-hero .lede { margin-bottom: 0; }
.hero .eyebrow, .page-hero .eyebrow, .cta-band .eyebrow, .security-band .eyebrow { color: #7de3de; }
.hero .lede { color: rgba(255,255,255,.88); }
.page-hero .lede, .security-band .lede, .security-band .micro, .work-feature .micro { color: #b8c5d6; }
.work-feature .text-link { color: #7de3de; }
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.detail-card { min-height: 15rem; padding: clamp(1.65rem, 3vw, 2.5rem); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); box-shadow: var(--shadow-card); transition: border-color .25s ease, transform .25s ease; }
.detail-card:hover { border-color: rgba(17,85,204,.4); transform: translateY(-3px); }
.detail-card p, .detail-card li { color: var(--color-text-muted); }
.clean-list { margin: 1rem 0 0; padding-left: 1.2rem; }
.clean-list li + li { margin-top: .45rem; }
.security-band { padding: clamp(2rem, 5vw, 4rem); border-radius: var(--radius-lg); color: #fff; background-color: var(--color-primary-deep); background-image: linear-gradient(135deg, var(--color-primary-deep), #071b3a); box-shadow: var(--shadow-soft); }
.faq details { padding: 1.25rem 0; border-top: 1px solid var(--color-border); }
.faq details:last-child { border-bottom: 1px solid var(--color-border); }
.faq summary { min-height: 44px; cursor: pointer; font-size: 1.1rem; font-weight: 750; }
.faq p { max-width: 48rem; color: var(--color-text-muted); }

.contact-grid { display: grid; grid-template-columns: minmax(16rem, .75fr) minmax(0, 1.25fr); gap: clamp(2.5rem, 6vw, 6rem); }
.review-notice { padding: 1rem 1.1rem; border: 1px solid #f5bf82; border-radius: var(--radius-sm); color: #6e3900; background: #fff6ea; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .45rem; }
.field-full { grid-column: 1 / -1; }
label { font-weight: 720; }
input, select, textarea { width: 100%; min-height: 48px; padding: .8rem .9rem; border: 1px solid var(--color-border); border-radius: .7rem; color: var(--color-text); background: var(--color-surface); transition: border-color .2s ease, box-shadow .2s ease; }
input:hover, select:hover, textarea:hover { border-color: #9fb2cb; }
input:focus, select:focus, textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(17,85,204,.1); }
textarea { min-height: 9rem; resize: vertical; }
.form-status { min-height: 1.5rem; margin-top: 1rem; color: var(--color-primary-deep); font-weight: 700; }

.cta-band { position: relative; display: grid; grid-template-columns: 1fr auto; gap: var(--space-5); overflow: hidden; align-items: end; padding: clamp(2rem, 5vw, 4rem); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); color: #fff; background-color: var(--color-dark); background-image: radial-gradient(circle at 85% 0, rgba(9,167,161,.25), transparent 18rem), linear-gradient(130deg, var(--color-dark), #0c2c57); box-shadow: var(--shadow-soft); }
.cta-band > * { position: relative; }
.cta-band h2 { margin-bottom: 0; }
.site-footer { color: #fff; background: #050d18; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-6); padding: var(--space-7) 0; }
.footer-logo { width: 12rem; filter: brightness(0) invert(1); }
.footer-title { margin: 0 0 1rem; color: #91a1b6; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li + li { margin-top: .55rem; }
.footer-links a { color: #fff; text-underline-offset: .2em; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding: 1.2rem 0 2rem; border-top: 1px solid rgba(255,255,255,.12); color: #91a1b6; font-size: .82rem; }

@media (max-width: 980px) {
  .site-header { padding-inline: .75rem; }
  .site-header:has(.nav-menu[data-open="true"]) .nav-backdrop { position: fixed; z-index: 1; inset: 0; display: block; width: 100%; height: 100%; border: 0; background: rgba(7, 20, 38, .48); backdrop-filter: blur(4px); pointer-events: auto; }
  .nav-shell { padding-left: 1rem; }
  .brand-signal { display: none; }
  .menu-toggle { position: relative; z-index: 3; display: block; }
  .nav-menu { position: absolute; z-index: 2; top: calc(100% + .65rem); right: 0; left: 0; display: none; gap: .2rem; overflow: hidden; padding: .65rem; border: 1px solid var(--color-border); border-radius: 1.25rem; background: var(--color-surface); box-shadow: 0 1.5rem 4rem rgba(7, 20, 38, .22); }
  .nav-menu[data-open="true"] { display: grid; }
  .menu-intro { display: grid; gap: .1rem; margin: -.65rem -.65rem .35rem; padding: 1.15rem 1.25rem; color: #fff; background: radial-gradient(circle at 92% 10%, rgba(9, 167, 161, .35), transparent 9rem), var(--color-dark); }
  .menu-intro span { color: #7de3de; font-size: .68rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
  .menu-intro strong { font-size: 1rem; }
  .nav-link { width: 100%; justify-content: flex-start; padding-inline: 1rem; }
  .nav-cta { justify-content: space-between; margin: .4rem 0 0; }
  .capability-flow { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .hero-grid, .split, .split-even, .ai-preview-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: 100svh; }
  .hero-grid { gap: 1.5rem; }
  .hero-art { width: min(100%, 36rem); min-height: min(34rem, 78svh); margin-inline: auto; }
  .sticky-copy { position: static; }
  .workflow-panel { min-height: auto; border-top: 1px solid rgba(255,255,255,.12); border-left: 0; }
  .work-feature, .work-feature:nth-child(even) { grid-template-columns: 1fr; }
  .work-feature:nth-child(even) .work-media { order: 0; }
  .work-media { min-height: 20rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  :root { --nav-height: 4.5rem; }
  .container, .narrow { width: min(calc(100% - 2rem), var(--max-width)); }
  h1, .display { font-size: clamp(2.6rem, 13.5vw, 3.75rem); line-height: 1.01; }
  .page-hero h1 { font-size: clamp(2.55rem, 12.5vw, 3.65rem); }
  h2 { font-size: clamp(1.9rem, 9.5vw, 2.65rem); }
  .hero-grid { padding-top: calc(var(--nav-height) + 3.5rem); padding-bottom: 3.5rem; }
  .hero-logo-card { min-height: 10rem; padding: 1.5rem; }
  .hero-art figcaption { font-size: .76rem; }
  .capability-flow, .detail-grid, .principles { grid-template-columns: 1fr; }
  .capability { min-height: auto; }
  .capability-visual { aspect-ratio: 16 / 9; }
  .service-row, .process-step { grid-template-columns: 3rem 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .cta-band { grid-template-columns: 1fr; align-items: start; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 380px) {
  .container, .narrow { width: min(calc(100% - 1.5rem), var(--max-width)); }
  .site-header { padding-inline: .5rem; }
  .nav-shell { padding-inline: .75rem .55rem; }
  .brand img { width: 9rem; }
  .service-row, .process-step { grid-template-columns: 2.25rem minmax(0, 1fr); gap: .75rem; }
  .button-row .button { width: 100%; }
}

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

@media (prefers-reduced-transparency: reduce) {
  .site-header { background: var(--color-background); }
  .nav-shell, .site-header:has(.nav-menu[data-open="true"]) .nav-backdrop { backdrop-filter: none; }
}

@media print {
  .site-header, .button-row, .menu-toggle { display: none; }
  body { color: #000; background: #fff; }
  .section-dark, .section-blue, .page-hero, .hero { color: #000; background: #fff; }
}