/* Qualens — site styles. Brand: navy #000b46 on white; --signal is the same hue, lifted. */

@font-face { font-family: 'Familjen Grotesk'; src: url(/assets/fonts/familjen-grotesk.woff2) format('woff2'); font-weight: 400 700; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url(/assets/fonts/ibm-plex-mono-500.woff2) format('woff2'); font-weight: 500; font-display: swap; }

:root {
  --navy: #000b46;
  --navy-deep: #00062c;
  --signal: #7086ff;
  --paper: #fff;
  --mist: #f2f3f9;
  --ink-2: #384070;
  --ink-3: #5d6491;
  --line: rgba(0, 11, 70, 0.12);
  --on-dark: #eef0ff;
  --on-dark-2: #a9b1e3;
  --on-dark-3: #8890c4;
  --line-dark: rgba(238, 240, 255, 0.14);

  /* Surface tokens: light by default, flipped on the dark surfaces below. */
  --fg: var(--navy);
  --fg-2: var(--ink-2);
  --fg-3: var(--ink-3);
  --rule: var(--line);
  --rule-strong: rgba(0, 11, 70, 0.45); /* form control borders: >= 3:1 */
  --focus: var(--navy);

  --font: 'Familjen Grotesk', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
  --gutter: clamp(16px, 4vw, 48px);
  --maxw: 1320px;
  --header-h: 72px;
  --section-y: clamp(88px, 12vw, 168px);
  interpolate-size: allow-keywords;
}

.hero, .story, .process, .contact, .site-footer, .mobile-menu {
  --fg: var(--on-dark);
  --fg-2: var(--on-dark-2);
  --fg-3: var(--on-dark-3);
  --rule: var(--line-dark);
  --rule-strong: rgba(238, 240, 255, 0.42);
  --focus: var(--signal);
  background: var(--navy);
  color: var(--fg);
}

/* ------------------------------------------------------------------ base */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  line-height: 1.55;
  color: var(--fg);
  background: var(--paper);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::after { /* film grain */
  content: '';
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.025em; line-height: 1.05; }
p { margin: 0; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button { font: inherit; color: inherit; }
::selection { background: var(--signal); color: var(--navy); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.mono { font-family: var(--mono); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 0.75em; margin-bottom: 1.5rem; color: var(--fg-3); }
.eyebrow::before { content: ''; width: 20px; height: 1px; background: currentColor; }
.h2 { font-size: clamp(2.5rem, 1.5rem + 4.2vw, 5.4rem); line-height: 0.95; letter-spacing: -0.045em; }
.section-head { margin-bottom: clamp(48px, 6vw, 88px); }
.section-lede { margin-top: 1.4rem; max-width: 44ch; font-size: clamp(1.05rem, 1rem + 0.3vw, 1.25rem); color: var(--fg-2); }
.skip { position: absolute; left: -9999px; top: 12px; z-index: 100; padding: 10px 16px; border-radius: 8px; background: var(--paper); color: var(--navy); font-weight: 600; }
.skip:focus { left: 12px; }

.i-arrow, .i-chev { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ------------------------------------------------------------------ buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  min-height: 52px;
  padding: 0 1.5em;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s, transform 0.4s var(--ease-out);
}
.btn .i-arrow { width: 18px; height: 18px; transition: transform 0.4s var(--ease-out); }
.btn:hover .i-arrow { transform: translateX(4px); }
.btn:active { transform: scale(0.97); }
.btn-light { background: var(--paper); color: var(--navy); }
.btn-light:hover { background: var(--signal); }
.btn-ghost { border-color: var(--rule); color: var(--fg); }
.btn-ghost:hover { border-color: var(--fg); }
.btn-sm { min-height: 42px; padding: 0 1.2em; font-size: 0.9rem; background: var(--hfg); color: var(--hbg); }
.btn-sm:hover { background: var(--signal); color: var(--navy); }

/* ------------------------------------------------------------------ header */

.site-header {
  --hfg: #fff;
  --hbg: var(--navy);
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  color: var(--hfg);
  transition: color 0.35s, background-color 0.35s, box-shadow 0.35s, transform 0.5s var(--ease-out);
}
.site-header[data-theme='dark'] { --focus: var(--signal); }
.site-header[data-theme='light'] { --hfg: var(--navy); --hbg: var(--paper); }
.site-header.is-scrolled, .no-js .site-header { background: var(--hbg); }
.site-header[data-theme='light'].is-scrolled { box-shadow: 0 1px 0 var(--line); }
.site-header[data-theme='dark'].is-scrolled { box-shadow: 0 1px 0 var(--line-dark); }
.site-header.is-hidden { transform: translateY(-100%); }
.menu-open .site-header { --hfg: #fff; background: transparent; box-shadow: none; transform: none; }

.header-bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 100%; }
.brand { display: block; padding: 6px 0; }
.brand-logo {
  display: block;
  width: 122px;
  height: 32px;
  background: currentColor;
  -webkit-mask: url(/assets/img/logo.png) no-repeat left center / contain;
  mask: url(/assets/img/logo.png) no-repeat left center / contain;
}

.nav { display: flex; align-items: center; gap: clamp(18px, 2.6vw, 40px); }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
  border: 0;
  background: none;
  font-size: 0.96rem;
  font-weight: 500;
  cursor: pointer;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out);
}
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }
.i-chev { width: 16px; height: 16px; transition: rotate 0.3s var(--ease-out); }

.nav-menu { position: relative; }
.mega {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  width: min(660px, 92vw);
  padding: 10px;
  border-radius: 22px;
  background: var(--paper);
  color: var(--navy);
  --focus: var(--navy);
  box-shadow: 0 40px 90px -30px rgba(0, 6, 44, 0.55), 0 0 0 1px rgba(0, 11, 70, 0.08);
  opacity: 0;
  visibility: hidden;
  translate: -50% -8px;
  transition: opacity 0.25s, translate 0.4s var(--ease-out), visibility 0.25s;
}
.mega::before { content: ''; position: absolute; inset: -16px 0 auto; height: 16px; }
.nav-menu.is-open .mega { opacity: 1; visibility: visible; translate: -50% 0; }
.nav-menu.is-open .i-chev { rotate: 180deg; }
@media (hover: hover) {
  .nav-menu:hover .mega { opacity: 1; visibility: visible; translate: -50% 0; }
  .nav-menu:hover .i-chev { rotate: 180deg; }
}
.mega ul { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.mega li:last-child:nth-child(odd) { grid-column: span 2; }
.mega a { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; padding: 16px 18px; border-radius: 14px; transition: background-color 0.2s; }
.mega a:hover, .mega a[aria-current] { background: var(--mist); }
.mega .mono { grid-row: span 2; padding-top: 4px; color: var(--ink-3); }
.mega strong { font-weight: 600; font-size: 1.02rem; }
.mega small { color: var(--ink-3); font-size: 0.86rem; line-height: 1.4; }

.menu-btn { display: none; position: relative; width: 44px; height: 44px; margin-right: -10px; border: 0; background: none; cursor: pointer; }
.menu-btn span { position: absolute; left: 11px; right: 11px; height: 2px; border-radius: 2px; background: currentColor; transition: transform 0.4s var(--ease-out); }
.menu-btn span:first-child { top: 17px; }
.menu-btn span:last-child { top: 25px; }
.menu-open .menu-btn span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-open .menu-btn span:last-child { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  overflow-y: auto;
  padding: calc(var(--header-h) + 24px) 0 40px;
  clip-path: circle(0 at calc(100% - 38px) 36px);
  visibility: hidden;
  transition: clip-path 0.7s var(--ease-io), visibility 0s 0.7s;
}
.menu-open .mobile-menu { clip-path: circle(150% at calc(100% - 38px) 36px); visibility: visible; transition: clip-path 0.7s var(--ease-io), visibility 0s; }
.mobile-services a { display: flex; align-items: baseline; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--rule); font-size: clamp(1.7rem, 7vw, 2.6rem); font-weight: 600; letter-spacing: -0.035em; }
.mobile-services .mono { color: var(--signal); }
.mobile-links { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 32px 0; font-size: 1.2rem; }
.mobile-mail { color: var(--fg-2); }

/* ------------------------------------------------------------------ the lens (shared) */

.lens-frame {
  --ring: clamp(8px, 1.6vw, 16px);
  --ring-c: #fff;
  --gap-c: var(--navy);
  position: relative;
  aspect-ratio: 1;
  width: 100%;
}
.lens-face, .pair-visual {
  --ill-bg: #050f50;
  --ill-line: #e3e7ff;
  --ill-accent: var(--signal);
  --ill-fill: rgba(112, 134, 255, 0.1);
  --ill-fill2: rgba(112, 134, 255, 0.24);
}
.lens-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #0f1d72, #050f50 55%, #00052a);
  box-shadow: 0 0 0 5px var(--gap-c), 0 0 0 calc(5px + var(--ring)) var(--ring-c), 0 50px 100px -30px rgba(0, 3, 30, 0.7);
}
.lens-face::after { /* glass highlight */
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 22%, rgba(255, 255, 255, 0.13), transparent 42%);
  pointer-events: none;
}
.lens-frame::after { /* the Q-tail */
  content: '';
  position: absolute;
  left: 85.36%;
  top: 85.36%;
  width: 21%;
  height: calc(var(--ring) * 1.15);
  margin-top: calc(var(--ring) * -0.575);
  border-radius: 3px 999px 999px 3px;
  background: var(--ring-c);
  transform-origin: 0 50%;
  rotate: 45deg;
}
.scene { position: absolute; inset: 5%; opacity: 0; transform: scale(0.88); transition: opacity 0.5s, transform 0.8s var(--ease-out); }
.scene.is-active { opacity: 1; transform: none; }
.scene:not(.is-active) * { animation-play-state: paused !important; }

/* ------------------------------------------------------------------ illustrations */

.ill { width: 100%; height: 100%; overflow: visible; fill: none; stroke: var(--ill-line); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ill .a { stroke: var(--ill-accent); }
.ill .f { fill: var(--ill-fill); }
.ill .f2 { fill: var(--ill-fill2); }
.ill .bg { fill: var(--ill-bg); stroke: none; }
.ill .af { fill: var(--ill-accent); stroke: none; }
.ill .lf { fill: var(--ill-line); stroke: none; }
.ill .ink { stroke: var(--ill-bg); stroke-width: 4; }
.ill .dim { opacity: 0.4; }
.k-tap, .n-ok, .h-edge, .c-gear { transform-box: fill-box; transform-origin: center; }

.k-pick { animation: k-pick 6s var(--ease-io) infinite; }
.k-tap { animation: ripple 1.5s ease-out infinite; }
.k-wave, .n-wave { animation: wave 2s ease-in-out infinite; animation-delay: calc(var(--i) * 0.18s); }
.n-card { animation: n-card 4.2s var(--ease-io) infinite; }
.n-wave { animation: n-wave 4.2s infinite; animation-delay: calc(var(--i) * 0.08s); }
.n-led { fill: var(--ill-line); animation: n-led 4.2s infinite; }
.n-ok { animation: n-ok 4.2s var(--ease-out) infinite; }
.c-links path, .c-flow { stroke-dasharray: 3 9; animation: flow 1.4s linear infinite; }
.c-gear { animation: spin 9s linear infinite; }
.h-led { fill: var(--ill-accent); stroke: none; animation: blink 2.4s ease-in-out infinite; animation-delay: calc(var(--i) * -0.41s); }
.h-edge { animation: ping 2.8s ease-out infinite; animation-delay: calc(var(--i) * 0.6s); }
.d-cursor { animation: d-cursor 5.5s var(--ease-io) infinite; }
.d-sel { animation: d-sel 5.5s infinite; }

@keyframes k-pick {
  0%, 18% { transform: translate(0, 0); }
  25%, 43% { transform: translate(44px, 0); }
  50%, 68% { transform: translate(44px, 44px); }
  75%, 93% { transform: translate(0, 44px); }
  100% { transform: translate(0, 0); }
}
@keyframes ripple { from { transform: scale(0.2); opacity: 1; } to { transform: scale(2.6); opacity: 0; } }
@keyframes wave { 0%, 100% { opacity: 0.25; } 50% { opacity: 1; } }
@keyframes n-card { 0%, 8% { transform: translateY(0); } 34%, 62% { transform: translateY(108px); } 88%, 100% { transform: translateY(0); } }
@keyframes n-wave { 0%, 30% { opacity: 0.15; } 38%, 58% { opacity: 1; } 66%, 100% { opacity: 0.15; } }
@keyframes n-led { 0%, 36% { fill: var(--ill-line); opacity: 0.3; } 40%, 62% { fill: var(--ill-accent); opacity: 1; } 66%, 100% { fill: var(--ill-line); opacity: 0.3; } }
@keyframes n-ok { 0%, 38% { opacity: 0; transform: scale(0.4); } 46%, 80% { opacity: 1; transform: scale(1); } 90%, 100% { opacity: 0; transform: scale(0.9); } }
@keyframes flow { to { stroke-dashoffset: -24; } }
@keyframes spin { to { rotate: 360deg; } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }
@keyframes ping { 0%, 100% { transform: scale(0.6); opacity: 0.4; } 30% { transform: scale(1.35); opacity: 1; } }
@keyframes d-cursor {
  0% { transform: translate(330px, 340px); }
  30%, 56% { transform: translate(186px, 224px); }
  76% { transform: translate(100px, 158px); }
  100% { transform: translate(330px, 340px); }
}
@keyframes d-sel { 0%, 26% { opacity: 0; } 32%, 58% { opacity: 1; } 64%, 100% { opacity: 0; } }

/* ------------------------------------------------------------------ hero (home + service pages) */

.hero { position: relative; isolation: isolate; display: flex; align-items: center; min-height: 100svh; padding-block: calc(var(--header-h) + 48px) 112px; overflow: hidden; }
.hero::before { /* faint blueprint grid */
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(var(--line-dark) 1px, transparent 1px), linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 72% 42%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 70% at 72% 42%, #000, transparent 75%);
  opacity: 0.6;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: center; gap: clamp(40px, 6vw, 96px); }
.hero-title { margin: 0 0 0.3em -0.04em; font-size: clamp(4.2rem, 1rem + 9.5vw, 10.5rem); line-height: 0.88; letter-spacing: -0.055em; }
.hero-lede { max-width: 38ch; font-size: clamp(1.1rem, 1rem + 0.5vw, 1.4rem); line-height: 1.45; color: var(--fg-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2.4rem; }
.hero-copy > * { opacity: 0; animation: fade-up 1s var(--ease-out) forwards; }
.hero-copy > :nth-child(2) { animation-delay: 0.08s; }
.hero-copy > :nth-child(3) { animation-delay: 0.2s; }
.hero-copy > :nth-child(4) { animation-delay: 0.32s; }
.hero-visual { margin: 0; padding: clamp(24px, 4vw, 56px); opacity: 0; animation: fade-up 1.2s 0.2s var(--ease-out) forwards; }
.showcase-caption { display: grid; justify-items: center; margin-top: clamp(32px, 4vw, 48px); color: var(--fg-2); }
.showcase-caption span { grid-area: 1 / 1; opacity: 0; translate: 0 6px; transition: opacity 0.5s, translate 0.6s var(--ease-out); }
.showcase-caption span.is-active { opacity: 1; translate: 0 0; }
@keyframes fade-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

.scroll-cue { position: absolute; right: var(--gutter); bottom: 28px; z-index: 4; width: 28px; height: 46px; border: 1.5px solid var(--rule); border-radius: 999px; }
.scroll-cue span { position: absolute; left: 50%; top: 9px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--fg); animation: cue 1.8s var(--ease-io) infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(18px); opacity: 0; } }

/* ------------------------------------------------------------------ why */

.why, .services, .approach, .faq, .deliver, .fits, .process, .explore, .contact { padding-block: var(--section-y); }
.why { padding-bottom: calc(var(--section-y) * 0.6); }
.statement { max-width: 22ch; font-size: clamp(2.1rem, 1.2rem + 3.8vw, 4.6rem); font-weight: 500; line-height: 1.06; letter-spacing: -0.04em; }
.statement .w { color: rgba(0, 11, 70, 0.14); transition: color 0.35s; }
.statement .w.on { color: var(--navy); }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 64px); margin-top: clamp(64px, 8vw, 120px); padding-top: 32px; border-top: 1px solid var(--rule); }
.principles .mono { color: var(--fg-3); }
.principles h3 { margin: 1rem 0 0.6rem; font-size: clamp(1.3rem, 1.1rem + 0.6vw, 1.65rem); }
.principles p { max-width: 36ch; color: var(--fg-2); }

/* ------------------------------------------------------------------ services index */

.services { padding-top: calc(var(--section-y) * 0.6); }
.svc-list { border-top: 1px solid var(--rule); }
.svc-row {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1.15fr) minmax(0, 1fr) 52px;
  align-items: center;
  gap: 24px;
  padding: clamp(24px, 3vw, 38px) 0;
  border-bottom: 1px solid var(--rule);
  transition: color 0.35s;
}
.svc-row::before {
  content: '';
  position: absolute;
  inset: -1px calc(var(--gutter) * -1);
  z-index: -1;
  background: var(--navy);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.55s var(--ease-out);
}
.svc-row:hover, .svc-row:focus-visible { color: #fff; outline-offset: -2px; }
.svc-row:hover::before, .svc-row:focus-visible::before { transform: scaleY(1); transform-origin: top; }
.svc-num { color: var(--fg-3); transition: color 0.35s; }
.svc-name { font-size: clamp(1.9rem, 1rem + 3.2vw, 3.8rem); font-weight: 600; line-height: 1; letter-spacing: -0.045em; transition: transform 0.6s var(--ease-out); }
.svc-short { color: var(--fg-2); transition: color 0.35s; }
.svc-go { display: grid; place-items: center; width: 52px; height: 52px; border: 1px solid var(--rule); border-radius: 50%; transition: border-color 0.35s, background-color 0.35s, color 0.35s; }
.svc-go .i-arrow { width: 20px; height: 20px; rotate: -45deg; transition: rotate 0.5s var(--ease-out); }
.svc-row:is(:hover, :focus-visible) .svc-name { transform: translateX(14px); }
.svc-row:is(:hover, :focus-visible) :is(.svc-num, .svc-short) { color: var(--on-dark-2); }
.svc-row:is(:hover, :focus-visible) .svc-go { border-color: #fff; background: #fff; color: var(--navy); }
.svc-row:is(:hover, :focus-visible) .svc-go .i-arrow { rotate: 0deg; }


/* ------------------------------------------------------------------ story (pinned) */

.story { position: relative; }
.story-sticky { padding-block: var(--section-y); }
.story-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(32px, 6vw, 96px); }
.story-steps { display: grid; margin-top: clamp(28px, 5vh, 56px); }
.story-step + .story-step { margin-top: 2.5rem; }
.story-tag { color: var(--signal); }
.story-step h3 { margin: 0.8rem 0 0.9rem; font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.8rem); letter-spacing: -0.035em; }
.story-step p { max-width: 38ch; font-size: clamp(1.02rem, 1rem + 0.25vw, 1.2rem); color: var(--fg-2); }
.story-stage { display: grid; justify-items: center; gap: clamp(28px, 5vh, 48px); }
.story-stage .lens-frame { width: min(100%, 520px, 58svh); }
.story-progress { display: flex; gap: 8px; }
.story-progress button { position: relative; display: block; width: 44px; height: 20px; padding: 0; border: 0; background: none; cursor: pointer; }
.story-progress button::before, .story-progress button::after { content: ''; position: absolute; left: 0; right: 0; top: 9px; height: 3px; border-radius: 2px; background: var(--rule); }
.story-progress button::after { background: var(--signal); transform: scaleX(var(--f, 0)); transform-origin: left; }
.no-js .story-progress { display: none; }
@media (min-height: 501px) {
  .js .story { height: calc(var(--steps) * 85svh + 100svh); }
  .js .story-sticky { position: sticky; top: 0; display: flex; align-items: center; height: 100svh; padding-block: 0; overflow: hidden; }
  .js .story-step { grid-area: 1 / 1; margin: 0; opacity: 0; transform: translateY(28px); pointer-events: none; transition: opacity 0.45s, transform 0.8s var(--ease-out); }
  .js .story-step.is-active { opacity: 1; transform: none; pointer-events: auto; }
  .js .story-step.is-past { transform: translateY(-28px); }
}

/* ------------------------------------------------------------------ steps (approach + process) */

.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 44px); padding-top: 44px; }
.steps::before, .steps::after { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--rule); }
.steps::after { top: -1px; height: 3px; background: var(--fg); transform: scaleX(var(--p, 0)); transform-origin: left; }
.process .steps::after { background: var(--signal); }
.step-num { display: inline-grid; place-items: center; width: 46px; height: 46px; margin-bottom: 1.5rem; border: 1px solid var(--rule); border-radius: 50%; }
.steps h3 { margin-bottom: 0.6rem; font-size: clamp(1.3rem, 1.1rem + 0.6vw, 1.6rem); }
.steps p { max-width: 34ch; color: var(--fg-2); }

/* ------------------------------------------------------------------ faq */

.faq { background: var(--mist); }
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); align-items: start; gap: clamp(32px, 6vw, 96px); }
@media (min-width: 961px) { .faq .section-head { position: sticky; top: calc(var(--header-h) + 32px); } }
.faq-list { border-top: 1px solid var(--rule); }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 0; list-style: none; cursor: pointer; font-size: clamp(1.15rem, 1rem + 0.6vw, 1.5rem); font-weight: 500; letter-spacing: -0.02em; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { position: relative; flex: none; width: 36px; height: 36px; border: 1px solid var(--rule); border-radius: 50%; transition: background-color 0.3s, border-color 0.3s; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; margin: -0.75px 0 0 -6px; background: currentColor; transition: rotate 0.4s var(--ease-out); }
.faq-icon::after { rotate: 90deg; }
.faq-item[open] .faq-icon { background: var(--navy); border-color: var(--navy); color: #fff; }
.faq-item[open] .faq-icon::after { rotate: 0deg; }
.faq-item summary:hover .faq-icon { border-color: var(--navy); }
.faq-item p { max-width: 60ch; padding-bottom: 30px; color: var(--fg-2); }
.faq-item::details-content { block-size: 0; overflow: hidden; transition: block-size 0.45s var(--ease-out), content-visibility 0.45s allow-discrete; }
.faq-item[open]::details-content { block-size: auto; }

/* ------------------------------------------------------------------ contact */

.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 96px); }
.contact .h2 { max-width: 11ch; }
.contact-mail { display: inline-block; margin-top: 2.2rem; padding-bottom: 4px; border-bottom: 2px solid var(--signal); font-size: clamp(1.3rem, 1rem + 1.2vw, 2rem); font-weight: 500; transition: color 0.25s; }
.contact-mail:hover { color: var(--signal); }
.contact-meta { margin-top: 1.4rem; color: var(--fg-3); }
.contact-form { display: grid; gap: 20px; align-content: start; padding: clamp(20px, 3vw, 40px); border: 1px solid var(--rule); border-radius: 28px; background: rgba(255, 255, 255, 0.035); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; border: 0; }
.chips legend { margin-bottom: 14px; padding: 0; font-weight: 500; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-flex; align-items: center; min-height: 42px; padding: 0 18px; border: 1px solid var(--rule-strong); border-radius: 999px; font-size: 0.93rem; cursor: pointer; transition: background-color 0.2s, color 0.2s, border-color 0.2s; }
.chip span:hover { border-color: var(--fg-2); }
.chip input:checked + span { border-color: #fff; background: #fff; color: var(--navy); }
.chip input:focus-visible + span { outline: 2px solid var(--signal); outline-offset: 2px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 8px; }
.field > span { font-size: 0.92rem; color: var(--fg-2); }
.field em { font-style: normal; opacity: 0.7; }
.field input, .field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--rule-strong);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, background-color 0.2s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--signal); background: rgba(255, 255, 255, 0.09); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 4px; }
.form-status { color: var(--fg-2); }
.form-note { font-size: 0.86rem; color: var(--fg-3); }
.form-status.is-ok { color: var(--signal); }
.form-status.is-error { color: #ffb3c0; }
.is-sending .btn { opacity: 0.6; pointer-events: none; }

/* ------------------------------------------------------------------ footer */

.site-footer { padding-top: clamp(72px, 9vw, 120px); overflow: hidden; background: var(--navy-deep); }
.footer-cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { max-width: 30ch; margin-top: 20px; color: var(--fg-2); }
.footer-cols h2 { margin-bottom: 18px; color: var(--fg-3); }
.footer-cols li + li { margin-top: 10px; }
.footer-cols li { color: var(--fg-2); }
.footer-cols a { transition: color 0.2s; }
.footer-cols a:hover { color: var(--fg); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--rule); color: var(--fg-3); }
.footer-bottom a:hover { color: var(--fg); }
.footer-word {
  margin: 48px 0 -0.14em;
  padding-inline: var(--gutter);
  font-size: clamp(4rem, 1rem + 15vw, 17.5rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.06em;
  text-align: center;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(238, 240, 255, 0.24);
}

/* ------------------------------------------------------------------ service pages */

.crumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 2rem; color: var(--fg-3); }
.crumbs a:hover { color: var(--fg); }
.svc-title { max-width: 9ch; margin-bottom: 0.4em; font-size: clamp(3.2rem, 1rem + 7.2vw, 8.4rem); line-height: 0.88; letter-spacing: -0.055em; }
.svc-index { position: absolute; right: var(--gutter); bottom: 32px; color: var(--fg-3); }

.cap-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--rule); border-radius: 28px; background: var(--rule); }
.cap { display: grid; align-content: start; gap: 14px; padding: clamp(28px, 4vw, 56px); background: var(--paper); transition: background-color 0.35s; }
.cap:hover { background: var(--mist); }
.cap-key { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--navy); color: #fff; transition: rotate 0.5s var(--ease-out), background-color 0.3s; }
.cap:hover .cap-key { rotate: -8deg; background: var(--signal); color: var(--navy); }
.cap h3 { margin-top: 28px; font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); letter-spacing: -0.035em; }
.cap p { max-width: 44ch; color: var(--fg-2); }

.fits { background: var(--mist); }
.fits-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); align-items: start; gap: clamp(32px, 6vw, 96px); }
.fits .section-head { margin-bottom: 0; }
.fit-list { display: flex; flex-wrap: wrap; gap: 12px; }
.fit-list li { padding: 16px 26px; border: 1px solid var(--rule); border-radius: 999px; background: var(--paper); font-size: clamp(1.1rem, 1rem + 0.6vw, 1.5rem); font-weight: 500; letter-spacing: -0.02em; transition: background-color 0.3s, color 0.3s, translate 0.45s var(--ease-out); }
.fit-list li:hover { background: var(--navy); color: #fff; translate: 0 -3px; }

.pair-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.pair { display: grid; grid-template-columns: 112px minmax(0, 1fr) auto; align-items: center; gap: 24px; padding: 18px 28px 18px 18px; border: 1px solid var(--rule); border-radius: 28px; transition: border-color 0.3s, transform 0.45s var(--ease-out), box-shadow 0.45s; }
.pair:hover { border-color: var(--navy); transform: translateY(-4px); box-shadow: 0 30px 60px -30px rgba(0, 11, 70, 0.45); }
.pair-visual { display: block; width: 112px; height: 112px; padding: 14px; border-radius: 50%; background: radial-gradient(circle at 34% 28%, #0f1d72, #050f50 60%); }
.pair-text { display: grid; gap: 4px; }
.pair-text .mono { color: var(--fg-3); }
.pair-text strong { font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.6rem); letter-spacing: -0.03em; }
.pair-text span:last-child { color: var(--fg-2); font-size: 0.96rem; }
.pair > .i-arrow { width: 26px; height: 26px; transition: transform 0.4s var(--ease-out); }
.pair:hover > .i-arrow { transform: translateX(5px); }
.next-svc { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-top: clamp(56px, 7vw, 104px); padding-top: 32px; border-top: 1px solid var(--rule); }
.next-svc .mono { width: 100%; color: var(--fg-3); }
.next-name {
  font-size: clamp(2.6rem, 1rem + 6.6vw, 7.4rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.055em;
  color: transparent;
  background: linear-gradient(90deg, var(--signal) 50%, var(--navy) 50%) 100% 0 / 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  transition: background-position 0.9s var(--ease-out);
}
.next-svc .i-arrow { flex: none; width: clamp(40px, 6vw, 84px); height: auto; stroke-width: 1.5; transition: transform 0.6s var(--ease-out); }
.next-svc:hover .next-name, .next-svc:focus-visible .next-name { background-position: 0 0; }
.next-svc:hover .i-arrow { transform: translateX(12px); }

/* ------------------------------------------------------------------ scroll reveal */

.js [data-reveal]:not(.is-in) { opacity: 0; }
.js [data-reveal].is-in { animation: fade-up 0.9s var(--ease-out) backwards; animation-delay: calc(var(--i, 0) * 90ms); }

/* ------------------------------------------------------------------ responsive */

@media (max-width: 960px) {
  .nav { display: none; }
  .menu-btn { display: block; }
  .faq-grid, .fits-grid, .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .svc-row { grid-template-columns: 3rem minmax(0, 1fr) 44px; row-gap: 8px; }
  .svc-short { grid-column: 2; grid-row: 2; font-size: 0.95rem; }
  .svc-go { grid-column: 3; grid-row: 1 / span 2; width: 44px; height: 44px; }
  .svc-num { align-self: start; padding-top: 0.6em; }
  .pair-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { justify-self: center; width: min(66vw, 320px); padding: 18px; }
  .hero { padding-top: calc(var(--header-h) + 24px); }
  .scroll-cue { display: none; }
  .story-grid { grid-template-columns: 1fr; gap: 20px; }
  .story-stage { order: -1; gap: 18px; }
  .story-stage .lens-frame { width: min(64vw, 34svh); }
  .story-copy .h2 { font-size: clamp(2rem, 8vw, 3rem); }
  .story-copy .eyebrow { margin-bottom: 0.8rem; }
  .story-steps { margin-top: 18px; }
  .story-step h3 { margin: 0.5rem 0; }
}
@media (max-width: 600px) {
  .principles, .field-row, .steps, .cap-grid { grid-template-columns: 1fr; }
  .pair { grid-template-columns: 72px minmax(0, 1fr) auto; gap: 16px; padding: 14px 20px 14px 14px; }
  .pair-visual { width: 72px; height: 72px; padding: 8px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}