:root {
  color-scheme: dark;
  --black: #050505;
  --black-soft: #0a0a0a;
  --surface: #101010;
  --surface-raised: #151515;
  --white: #f5f5f2;
  --grey-100: #d7d7d2;
  --grey-300: #a0a09b;
  --grey-500: #8a8a85;
  --line: rgba(255, 255, 255, 0.1);
  --max-width: 1240px;
  --header-height: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.ambient-background {
  --ambient-y-one: 0px;
  --ambient-y-two: 0px;
  --ambient-x-one: 0px;
  --ambient-x-two: 0px;
  --ambient-rotate-one: -16deg;
  --ambient-rotate-two: 18deg;
  --ambient-plane-one-y: 0px;
  --ambient-plane-two-y: 0px;
  --ambient-beam-y: 0px;
  --ambient-light-x: 52%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + env(safe-area-inset-top));
}

body {
  position: relative;
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  overscroll-behavior-x: none;
  background: transparent;
  color: var(--white);
  font-family:
    Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.svg-symbols {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.page-transition {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.055), transparent 31%),
    #070707;
  opacity: 1;
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0s linear 220ms;
}

.page-transition::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    linear-gradient(
      114deg,
      transparent 34%,
      rgba(255, 255, 255, 0.025) 49%,
      transparent 64%
    );
  transform: translate3d(-12%, 0, 0);
}

.page-transition.is-active {
  visibility: visible;
  pointer-events: auto;
  transition: visibility 0s linear 0s;
}

.page-transition-inner {
  position: relative;
  width: min(520px, 76vw);
  text-align: center;
}

.page-transition-logo {
  display: block;
  width: 100%;
  height: auto;
  fill: var(--white);
  opacity: 0;
  transform: translate3d(0, 10px, 0);
}

.page-transition-label {
  margin: 28px 0 16px;
  color: var(--grey-300);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0;
}

.page-transition-track {
  display: block;
  width: min(250px, 54vw);
  height: 1px;
  margin-inline: auto;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
  opacity: 0;
}

.page-transition-progress {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
}

.page-transition.is-active .page-transition-logo {
  animation: transition-logo-in 540ms var(--ease) both;
}

.page-transition.is-active .page-transition-label,
.page-transition.is-active .page-transition-track {
  animation: transition-detail-in 320ms ease 120ms both;
}

.page-transition.is-active .page-transition-progress {
  animation: transition-progress 620ms var(--ease) 80ms both;
}

.is-page-transitioning {
  overflow: hidden;
}

@keyframes transition-logo-in {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes transition-detail-in {
  to {
    opacity: 1;
  }
}

@keyframes transition-progress {
  to {
    transform: scaleX(1);
  }
}

.ambient-background {
  position: fixed;
  z-index: 0;
  inset: 0;
  contain: strict;
  overflow: hidden;
  background:
    radial-gradient(circle at var(--ambient-light-x) 22%, #121212 0, #080808 28%, #030303 68%),
    var(--black);
  pointer-events: none;
}

.ambient-fold {
  position: absolute;
  border-radius: 44% 56% 61% 39%;
  opacity: 0.78;
  filter: blur(34px);
}

.ambient-fold-one {
  top: -46vmax;
  left: -47vmax;
  width: 118vmax;
  height: 91vmax;
  background:
    radial-gradient(
      ellipse at 64% 71%,
      rgba(255, 255, 255, 0.14) 0,
      rgba(157, 164, 169, 0.067) 19%,
      rgba(65, 70, 74, 0.022) 43%,
      transparent 67%
    );
  transform:
    translate3d(var(--ambient-x-one), var(--ambient-y-one), 0)
    rotate(var(--ambient-rotate-one));
}

.ambient-fold-two {
  right: -50vmax;
  bottom: -53vmax;
  width: 126vmax;
  height: 98vmax;
  background:
    radial-gradient(
      ellipse at 38% 30%,
      rgba(255, 255, 255, 0.115) 0,
      rgba(130, 137, 141, 0.052) 24%,
      rgba(34, 37, 39, 0.016) 51%,
      transparent 71%
    );
  transform:
    translate3d(var(--ambient-x-two), var(--ambient-y-two), 0)
    rotate(var(--ambient-rotate-two));
}

.ambient-plane {
  position: absolute;
}

.ambient-plane-one {
  top: -28vh;
  right: -13vw;
  width: min(58vw, 920px);
  height: 148vh;
  clip-path: polygon(58% 0, 100% 0, 70% 100%, 0 100%);
  background:
    linear-gradient(
      102deg,
      transparent 0 23%,
      rgba(255, 255, 255, 0.012) 39%,
      rgba(255, 255, 255, 0.095) 55%,
      rgba(255, 255, 255, 0.018) 57%,
      transparent 77%
    );
  filter: blur(10px);
  opacity: 0.82;
  transform: translate3d(0, var(--ambient-plane-one-y), 0) rotate(5deg);
}

.ambient-plane-two {
  bottom: -54vh;
  left: -17vw;
  width: min(69vw, 1080px);
  height: 123vh;
  clip-path: polygon(0 21%, 70% 0, 100% 68%, 19% 100%);
  background:
    linear-gradient(
      138deg,
      transparent 18%,
      rgba(255, 255, 255, 0.017) 37%,
      rgba(184, 190, 194, 0.072) 51%,
      rgba(255, 255, 255, 0.01) 64%,
      transparent 79%
    );
  filter: blur(18px);
  opacity: 0.62;
  transform: translate3d(0, var(--ambient-plane-two-y), 0) rotate(-9deg);
}

.ambient-beam {
  position: absolute;
  top: -22vh;
  left: 9vw;
  width: clamp(90px, 10vw, 160px);
  height: 150vh;
  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.026) 38%,
      rgba(255, 255, 255, 0.078) 50%,
      rgba(255, 255, 255, 0.018) 63%,
      transparent
    );
  filter: blur(18px);
  opacity: 0.7;
  transform: translate3d(0, var(--ambient-beam-y), 0) rotate(13deg);
  transform-origin: center;
}

.ambient-background.is-motion-ready .ambient-fold,
.ambient-background.is-motion-ready .ambient-plane,
.ambient-background.is-motion-ready .ambient-beam {
  will-change: transform;
}

.ambient-grain {
  position: absolute;
  inset: -35%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.34'/%3E%3C/svg%3E");
  opacity: 0.022;
  transform: rotate(7deg);
}

.ambient-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(0, 0, 0, 0.66), transparent 44%, rgba(0, 0, 0, 0.36)),
    radial-gradient(circle at center, transparent 20%, rgba(0, 0, 0, 0.54) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.2), transparent 24%, transparent 78%, rgba(0, 0, 0, 0.32));
}

main {
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  cursor: pointer;
}

a:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--white);
  color: var(--black);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(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;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: calc(var(--header-height) + env(safe-area-inset-top));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  padding: env(safe-area-inset-top) clamp(20px, 4vw, 64px) 0;
  background: #050505;
  box-shadow: 0 1px rgba(255, 255, 255, 0.035);
}

.nav-mark,
.footer-mark {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  line-height: 1;
}

.nav-mark,
.footer-mark {
  min-height: 44px;
}

.brand-logo,
.wordmark-visual {
  display: block;
  overflow: visible;
  fill: currentColor;
}

.nav-mark .brand-logo {
  width: 132px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.desktop-nav a {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 12px 0;
  color: var(--grey-300);
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: color 200ms ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 250ms var(--ease);
}

.site-header > .button {
  justify-self: end;
}

.site-header .button-light {
  border-color: rgba(255, 255, 255, 0.48);
  background: transparent;
  color: var(--white);
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: fit-content;
  padding: 0 22px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition:
    color 220ms ease,
    background-color 220ms ease,
    border-color 220ms ease,
    transform 220ms var(--ease);
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transition: transform 220ms var(--ease);
}

.button-light {
  background: var(--white);
  color: var(--black);
}

.button-dark {
  background: var(--black);
  color: var(--white);
}

.button:active {
  transform: translateY(1px) scale(0.985);
}

.button-small {
  min-height: 44px;
  padding-inline: 18px;
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  isolation: isolate;
  overflow: hidden;
  padding:
    calc(var(--header-height) + env(safe-area-inset-top) + 72px)
    24px
    86px;
  background:
    linear-gradient(
      180deg,
      rgba(5, 5, 5, 0.48) 0%,
      rgba(5, 5, 5, 0.12) 34%,
      rgba(5, 5, 5, 0.24) 72%,
      rgba(5, 5, 5, 0.7) 100%
    ),
    radial-gradient(ellipse at 50% 46%, rgba(5, 5, 5, 0.52), transparent 66%),
    url("assets/images/talvos-hero-architecture.webp") center / cover no-repeat;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: 13%;
  left: 50%;
  width: min(1100px, 78vw);
  height: min(640px, 60vh);
  border-radius: 50%;
  background: radial-gradient(
    ellipse,
    rgba(182, 190, 196, 0.07) 0,
    rgba(108, 115, 120, 0.025) 42%,
    transparent 72%
  );
  content: "";
  filter: blur(26px);
  opacity: 0.72;
  pointer-events: none;
  transform: translateX(-50%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 1360px);
  text-align: center;
}

.wordmark {
  position: relative;
  width: 100%;
  margin: 0;
  color: #f7f7f4;
  line-height: 1;
}

.wordmark-visual {
  width: min(82vw, 1140px);
  height: auto;
  margin-inline: auto;
  filter:
    drop-shadow(0 0 24px rgba(255, 255, 255, 0.035))
    drop-shadow(0 18px 52px rgba(0, 0, 0, 0.52));
}

.hero-rule {
  width: 86px;
  height: 1px;
  margin-top: clamp(38px, 5vw, 58px);
  background: linear-gradient(90deg, transparent, rgba(207, 212, 215, 0.52), transparent);
}

.hero p {
  margin: 28px 0 28px;
  color: #b4b7b8;
  font-size: clamp(16px, 1.45vw, 21px);
  font-weight: 400;
  letter-spacing: 0.015em;
}

.section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(82px, 8vw, 124px) clamp(22px, 5vw, 72px);
}

.section-shell,
.quote-shell,
.quote-footer {
  width: min(100%, var(--max-width));
  margin-inline: auto;
}

.section-shell {
  position: relative;
  z-index: 1;
}

.services-section .section-shell {
  scroll-margin-top: 34px;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: clamp(48px, 10vw, 160px);
  align-items: end;
  margin-bottom: clamp(44px, 5vw, 68px);
}

.section h2 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(40px, 6vw, 82px);
  font-weight: 300;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.section-intro > p {
  max-width: 390px;
  margin: 0 0 4px;
  color: var(--grey-300);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.65;
}

.services-section {
  background: linear-gradient(
    180deg,
    rgba(8, 8, 8, 0.32) 0%,
    rgba(12, 12, 12, 0.16) 50%,
    rgba(8, 8, 8, 0.34) 100%
  );
}

.service-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

.service-delay-one {
  --delay: 0ms;
}

.service-delay-two {
  --delay: 70ms;
}

.service-delay-three {
  --delay: 140ms;
}

.service-card {
  min-height: 410px;
  display: flex;
  flex-direction: column;
  padding: clamp(28px, 3vw, 42px);
  contain: layout paint;
  background: rgba(16, 16, 16, 0.9);
  box-shadow:
    0 34px 80px rgba(0, 0, 0, 0.24),
    inset 0 1px rgba(255, 255, 255, 0.06);
  transition:
    background-color 260ms ease,
    box-shadow 260ms ease,
    transform 260ms var(--ease);
}

.service-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  margin-bottom: auto;
  background: rgba(255, 255, 255, 0.04);
}

.service-icon svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: var(--grey-100);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1;
}

.service-copy h3,
.principle h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.service-copy p {
  min-height: 58px;
  margin: 14px 0 0;
  color: var(--grey-300);
  line-height: 1.7;
}

.service-meta {
  margin: 42px 0 0;
  color: var(--grey-500);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  text-transform: uppercase;
}

.service-promise {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(400px, 0.85fr);
  gap: clamp(56px, 6vw, 96px);
  align-items: start;
  margin-top: clamp(38px, 4vw, 54px);
}

.service-promise-heading {
  position: sticky;
  top: calc(var(--header-height) + 60px);
}

.service-promise-visual {
  max-width: 670px;
  margin-top: clamp(48px, 5vw, 72px);
  overflow: hidden;
  background: #090a0b;
  box-shadow:
    0 34px 80px rgba(0, 0, 0, 0.28),
    inset 0 1px rgba(255, 255, 255, 0.06);
}

.service-promise-visual img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.9;
  filter: contrast(1.04) brightness(0.9);
  transform: scale(1.01);
}

.service-promise-content {
  padding-top: 8px;
}

.service-promise-lead {
  margin: 0 0 clamp(42px, 5vw, 62px);
  color: var(--grey-100);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.principles {
  display: grid;
  gap: 34px;
}

.principle {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 22px;
  align-items: start;
}

.principle > span {
  padding-top: 4px;
  color: var(--grey-500);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 10px;
}

.principle p {
  margin: 9px 0 0;
  color: var(--grey-300);
  line-height: 1.65;
}

.technical-guide {
  margin-top: clamp(68px, 7vw, 96px);
  padding-top: clamp(38px, 4vw, 54px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  scroll-margin-top: 0;
}

.technical-intro {
  max-width: 810px;
  margin-left: 0;
}

.technical-intro h3 {
  margin: 0;
  font-size: clamp(34px, 4.7vw, 64px);
  font-weight: 300;
  letter-spacing: -0.05em;
  line-height: 1;
}

.technical-intro > p:last-child {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--grey-300);
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.7;
}

.technical-list {
  margin-top: clamp(40px, 5vw, 62px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.technical-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(42px, 9vw, 132px);
  padding: clamp(28px, 3vw, 40px) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.technical-row h4 {
  margin: 0;
  color: var(--grey-100);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
}

.technical-copy p {
  max-width: 700px;
  margin: 0;
  color: var(--grey-300);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.72;
}

.technical-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px 24px;
  margin: 28px 0 0;
  padding: 0;
  color: var(--grey-500);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  line-height: 1.55;
  list-style: none;
  text-transform: uppercase;
}

.technical-points li {
  position: relative;
  padding-left: 18px;
}

.technical-points li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 8px;
  height: 1px;
  background: rgba(255, 255, 255, 0.32);
  content: "";
}

.business-showcase {
  margin-top: 0;
  padding-top: 22px;
  scroll-margin-top: 0;
}

.business-showcase-header {
  max-width: 1120px;
  margin-left: auto;
  margin-bottom: clamp(40px, 5vw, 60px);
}

.business-kicker {
  margin: 0 0 24px;
  color: var(--grey-500);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.business-showcase-header h3 {
  max-width: none;
  margin: 0;
  font-size: clamp(34px, 3.7vw, 56px);
  font-weight: 300;
  letter-spacing: -0.05em;
  line-height: 1;
  white-space: nowrap;
}

.business-showcase-header > p:last-child {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--grey-300);
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.7;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 26px);
}

.business-card {
  min-width: 0;
}

.business-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #111;
}

.business-visual::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.04), transparent 58%, rgba(0, 0, 0, 0.3)),
    linear-gradient(120deg, rgba(255, 255, 255, 0.045), transparent 36%);
  content: "";
  pointer-events: none;
}

.business-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06) brightness(0.84);
  transform: scale(1.002);
  transition:
    filter 480ms ease,
    transform 700ms var(--ease);
}

.business-card:nth-child(1) .business-visual img {
  object-position: 48% center;
}

.business-card:nth-child(2) .business-visual img {
  object-position: center;
}

.business-card:nth-child(3) .business-visual img {
  object-position: 48% center;
}

.business-card-copy {
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.business-card h4 {
  margin: 0;
  color: var(--grey-100);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
}

.business-card p {
  max-width: 35ch;
  margin: 10px 0 0;
  color: var(--grey-300);
  font-size: 14px;
  line-height: 1.65;
}

.faq-section {
  margin-top: clamp(72px, 8vw, 112px);
  padding-top: clamp(40px, 5vw, 64px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.faq-intro {
  max-width: 820px;
}

.faq-intro h3 {
  margin: 0;
  font-size: clamp(34px, 4.7vw, 64px);
  font-weight: 300;
  letter-spacing: -0.05em;
  line-height: 1;
}

.faq-intro p {
  max-width: 720px;
  margin: 26px 0 0;
  color: var(--grey-300);
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.7;
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(40px, 7vw, 108px);
  margin-top: clamp(42px, 5vw, 64px);
}

.faq-list details {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.faq-list summary {
  position: relative;
  padding: 26px 42px 26px 0;
  color: var(--grey-100);
  font-size: clamp(16px, 1.2vw, 18px);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.45;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::before,
.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 4px;
  width: 14px;
  height: 1px;
  background: rgba(255, 255, 255, 0.55);
  content: "";
  transition: transform 220ms var(--ease);
}

.faq-list summary::after {
  transform: rotate(90deg);
}

.faq-list details[open] summary::after {
  transform: rotate(0);
}

.faq-list details p {
  max-width: 58ch;
  margin: -2px 0 28px;
  color: var(--grey-300);
  font-size: 15px;
  line-height: 1.7;
}

.faq-list summary:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 6px;
}

.quote-section {
  padding-block: clamp(54px, 6vw, 82px) 0;
  background: var(--white);
  color: var(--black);
}

.quote-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(40px, 8vw, 128px);
  align-items: center;
}

.quote-copy h2 {
  max-width: 620px;
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.quote-copy p {
  max-width: 480px;
  margin: 24px 0 0;
  color: #5f5f5b;
  line-height: 1.65;
}

.quote-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  margin-top: clamp(46px, 5vw, 70px);
  padding: 24px 0 28px;
  border-top: 1px solid #d7d7d2;
  color: #6b6b67;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.quote-footer .footer-mark {
  color: #41413e;
}

.footer-mark .brand-logo {
  width: 108px;
  height: auto;
}

.quote-footer p {
  margin: 0;
  text-align: center;
}

.quote-footer p:last-child {
  justify-self: end;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 380ms ease var(--delay, 0ms),
    transform 380ms var(--ease) var(--delay, 0ms);
}

.js #services.reveal,
.js #technical.reveal,
.js #examples.reveal {
  transform: none;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .desktop-nav a:hover {
    color: var(--white);
  }

  .desktop-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .site-header .button-light:hover {
    border-color: rgba(255, 255, 255, 0.82);
    background: rgba(255, 255, 255, 0.06);
  }

  .button:hover {
    transform: translateY(-2px);
  }

  .button:hover svg {
    transform: translateX(3px);
  }

  .button-light:hover {
    background: #fff;
  }

  .button-dark:hover {
    background: #181818;
  }

  .service-card:hover {
    background: rgba(255, 255, 255, 0.055);
    box-shadow:
      0 42px 90px rgba(0, 0, 0, 0.32),
      inset 0 1px rgba(255, 255, 255, 0.1);
    transform: translateY(-6px);
  }

  .business-card:hover .business-visual img {
    filter: saturate(0.82) contrast(1.05) brightness(0.9);
    transform: scale(1.025);
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

  .section-intro,
  .service-promise {
    grid-template-columns: 1fr;
  }

  .section-intro {
    gap: 30px;
  }

  .service-list {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 290px;
  }

  .service-promise-heading {
    position: static;
  }

  .service-promise-visual {
    max-width: 720px;
    margin-top: 42px;
  }

  .service-promise-content {
    max-width: 620px;
  }

  .technical-intro {
    max-width: 680px;
  }

  .technical-row {
    grid-template-columns: minmax(160px, 0.55fr) minmax(0, 1.45fr);
    gap: 36px;
  }

  .business-showcase-header {
    max-width: 680px;
    margin-left: 0;
  }

  .business-showcase-header h3 {
    white-space: normal;
  }

  .business-kicker {
    margin-bottom: 22px;
  }

  .quote-shell {
    grid-template-columns: 1fr;
  }

  .quote-copy h2 {
    max-width: 700px;
  }

  .quote-shell .button {
    margin-top: 12px;
  }
}

@media (max-width: 600px) {
  :root {
    --header-height: 68px;
  }

  .site-header {
    padding-inline: 18px;
  }

  .page-transition-inner {
    width: min(390px, 80vw);
  }

  .page-transition-label {
    margin-top: 22px;
  }

  .nav-mark {
    width: 104px;
  }

  .nav-mark .brand-logo {
    width: 104px;
  }

  .site-header .button {
    min-height: 44px;
    gap: 10px;
    padding-inline: 14px;
    font-size: 12px;
  }

  .site-header .button svg {
    width: 15px;
  }

  .hero {
    min-height: 92vh;
    min-height: 92svh;
    padding-inline: 18px;
  }

  .wordmark-visual {
    width: min(89vw, 700px);
    max-width: 89vw;
  }

  .section {
    padding: 68px 18px;
  }

  .section h2 {
    font-size: clamp(38px, 12vw, 58px);
  }

  .section-intro {
    margin-bottom: 38px;
  }

  .service-card {
    min-height: 0;
    padding: 28px;
  }

  .service-icon {
    margin-bottom: 64px;
  }

  .service-meta {
    margin-top: 32px;
  }

  .service-promise-lead {
    margin-bottom: 38px;
  }

  .service-promise-visual {
    margin-top: 38px;
  }

  .principles {
    gap: 30px;
  }

  .technical-guide {
    margin-top: 56px;
    padding-top: 32px;
  }

  .technical-list {
    margin-top: 36px;
  }

  .technical-row {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-block: 24px;
  }

  .technical-points {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 22px;
  }

  .business-showcase {
    padding-top: 24px;
  }

  .business-showcase-header {
    margin-bottom: 34px;
  }

  .business-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .business-visual {
    aspect-ratio: 4 / 3;
  }

  .business-card:nth-child(1) .business-visual {
    aspect-ratio: 4 / 5;
  }

  .business-card:nth-child(2) .business-visual {
    aspect-ratio: 1 / 1;
  }

  .business-card-copy {
    padding-top: 18px;
  }

  .faq-section {
    margin-top: 68px;
    padding-top: 38px;
  }

  .faq-list {
    grid-template-columns: 1fr;
    margin-top: 38px;
  }

  .faq-list summary {
    padding-block: 22px;
  }

  .faq-list details p {
    margin-bottom: 24px;
  }

  .quote-section {
    padding-inline: 20px;
  }

  .quote-copy h2 {
    font-size: clamp(40px, 12vw, 58px);
  }

  .quote-shell .button {
    width: 100%;
  }

  .quote-footer {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 10px;
    margin-top: 44px;
    padding: 22px 0 26px;
  }

  .quote-footer p {
    text-align: left;
  }

  .quote-footer p:last-child {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-transition,
  .page-transition-logo,
  .page-transition-label,
  .page-transition-track,
  .page-transition-progress {
    animation: none !important;
    transition: none !important;
  }

  .page-transition.is-active .page-transition-logo,
  .page-transition.is-active .page-transition-label,
  .page-transition.is-active .page-transition-track {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }

  .ambient-fold,
  .ambient-plane,
  .ambient-beam {
    will-change: auto;
  }
}

/* Dedicated quote page */
button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 5px;
}

.quote-page {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--black);
}

.quote-back-link svg {
  order: -1;
}

.quote-page-main {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: center;
  padding:
    calc(var(--header-height) + env(safe-area-inset-top) + clamp(54px, 7vw, 100px))
    clamp(22px, 4.3vw, 72px)
    clamp(64px, 8vw, 112px);
}

.quote-page-shell {
  width: min(100%, 1480px);
  display: grid;
  grid-template-columns: minmax(340px, 0.78fr) minmax(560px, 1.4fr);
  gap: clamp(72px, 10vw, 180px);
  align-items: center;
  margin-inline: auto;
}

.quote-page-intro {
  align-self: start;
  padding-top: clamp(38px, 5vw, 74px);
}

.quote-eyebrow {
  margin: 0 0 32px;
  color: var(--grey-500);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.quote-page-intro h1 {
  margin: 0;
  color: var(--white);
  font-size: clamp(58px, 6.3vw, 100px);
  font-weight: 300;
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.quote-page-summary {
  max-width: 530px;
  margin: 38px 0 0;
  color: var(--grey-300);
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.7;
}

.quote-form {
  display: grid;
  gap: 34px;
}

.form-botcheck {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.quote-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 32px;
}

.form-field {
  position: relative;
  display: grid;
  gap: 10px;
}

.form-field label {
  width: fit-content;
  color: var(--grey-100);
  font-size: 13px;
  line-height: 1.35;
}

.optional-label {
  color: var(--grey-500);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-width: 0;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0;
  background: transparent;
  color: var(--white);
  font: inherit;
  transition:
    border-color 180ms ease,
    background-color 180ms ease;
}

.form-field input {
  min-height: 48px;
  padding: 6px 0 10px;
}

.form-field select {
  min-height: 52px;
  padding: 8px 34px 10px 0;
  color-scheme: dark;
}

.form-field select:invalid {
  color: var(--grey-100);
}

.form-field select option {
  background: #111315;
  color: var(--white);
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
  padding: 10px 0;
  line-height: 1.6;
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: rgba(255, 255, 255, 0.46);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(255, 255, 255, 0.86);
}

.form-field [aria-invalid="true"] {
  border-color: #d58c8c;
}

.field-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.field-help,
.character-count,
.field-error,
.form-status {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
}

.field-help,
.character-count {
  color: var(--grey-500);
}

.character-count {
  flex: 0 0 auto;
  font-variant-numeric: tabular-nums;
}

.field-error {
  min-height: 18px;
  color: #e3a3a3;
}

.form-submit-row {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 54px;
}

.form-submit-row .button {
  flex: 0 0 auto;
}

.form-submit-row .button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-status {
  max-width: 360px;
  color: var(--grey-300);
}

.form-status[data-state="success"] {
  color: #9fcbb2;
}

.form-status[data-state="error"] {
  color: #e3a3a3;
}

@media (hover: hover) and (pointer: fine) {
  .site-header .quote-back-link:hover svg {
    transform: translateX(-3px);
  }
}

@media (max-width: 900px) {
  .quote-page-main {
    align-items: start;
  }

  .quote-page-shell {
    grid-template-columns: 1fr;
    gap: 72px;
  }

  .quote-page-intro {
    padding-top: 24px;
  }

  .quote-page-intro h1 {
    font-size: clamp(58px, 12vw, 88px);
  }

  .quote-page-summary {
    max-width: 620px;
  }
}

@media (max-width: 600px) {
  .hero {
    background-position: 62% center;
  }

  .quote-back-link svg {
    display: none;
  }

  .quote-page-main {
    padding:
      calc(var(--header-height) + env(safe-area-inset-top) + 54px)
      18px
      72px;
  }

  .quote-page-shell {
    gap: 58px;
  }

  .quote-page-intro {
    padding-top: 0;
  }

  .quote-eyebrow {
    margin-bottom: 24px;
  }

  .quote-page-intro h1 {
    font-size: clamp(48px, 14.5vw, 68px);
    line-height: 0.96;
  }

  .quote-page-summary {
    margin-top: 28px;
  }

  .quote-form,
  .quote-form-grid {
    gap: 30px;
  }

  .quote-form-grid {
    grid-template-columns: 1fr;
  }

  .field-meta {
    align-items: flex-start;
  }

  .form-submit-row {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
  }

  .form-submit-row .button {
    width: 100%;
  }
}