@import url("https://fonts.googleapis.com/css2?family=Sora:wght@700;800&display=swap");

:root {
  --night: #071418;
  --night-2: #0a1c21;
  --night-3: #0d252b;
  --ink: #eef3f0;
  --muted: #8ea0a1;
  --paper: #efeee8;
  --paper-2: #e4e7e1;
  --paper-ink: #0b1c21;
  --line: rgba(194, 215, 215, 0.16);
  --line-dark: rgba(11, 28, 33, 0.18);
  --gold: #efc36d;
  --gold-strong: #dca84c;
  --cyan: #55c9d2;
  --green: #75d29e;
  --shell: min(1360px, calc(100vw - 64px));
  --section-shell: min(1240px, calc(100vw - 64px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--night);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--night);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

button {
  color: inherit;
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p,
figure,
dl,
dd,
ol,
ul {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

address {
  font-style: normal;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: #061519;
  background: #fff;
  border-radius: 3px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: var(--section-shell);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 50%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: var(--shell);
  min-height: 88px;
  border-bottom: 1px solid var(--line);
  transform: translateX(-50%);
  transition:
    width 0.28s ease,
    min-height 0.28s ease,
    padding 0.28s ease,
    background 0.28s ease,
    border-color 0.28s ease;
}

.site-header.is-scrolled {
  width: 100%;
  min-height: 68px;
  padding-inline: max(24px, calc((100vw - 1360px) / 2));
  background: rgba(7, 20, 24, 0.88);
  border-color: rgba(194, 215, 215, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-self: start;
}

.brand-mark {
  display: grid;
  position: relative;
  width: 42px;
  height: 38px;
  overflow: hidden;
  color: var(--cyan);
  background: rgba(85, 201, 210, 0.08);
  border: 1px solid rgba(85, 201, 210, 0.72);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 74% 100%, 0 100%);
  place-items: center;
  font-family: Sora, "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.07em;
}

.brand-mark::after {
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  content: "";
}

.brand-name {
  display: grid;
  font-family: Sora, "Segoe UI", sans-serif;
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.11em;
}

.brand-name::after {
  width: 30px;
  height: 1px;
  margin-top: 5px;
  background: linear-gradient(90deg, var(--cyan) 0 70%, var(--gold) 70%);
  content: "";
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 30px);
  color: #a5b3b3;
  font-size: 14px;
  font-weight: 650;
  justify-self: center;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--gold);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav > a[aria-current="page"],
.site-nav .nav-group.is-current > .nav-group-toggle {
  color: var(--gold);
}

.nav-group {
  position: relative;
}

.nav-group-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 0;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-group-toggle span {
  color: var(--gold);
  font-size: 10px;
  transition: transform 0.22s ease;
}

.nav-group.is-expanded .nav-group-toggle span {
  transform: rotate(180deg);
}

.nav-submenu {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  width: 270px;
  padding: 8px;
  visibility: hidden;
  opacity: 0;
  background: rgba(7, 20, 24, 0.98);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
  transform: translate(-50%, -7px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.nav-group.is-expanded .nav-submenu,
.nav-group:focus-within .nav-submenu {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (hover: hover) {
  .nav-group:hover .nav-submenu {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.site-nav .nav-submenu a {
  display: grid;
  gap: 5px;
  padding: 13px 14px;
  border: 0;
}

.site-nav .nav-submenu a::after {
  display: none;
}

.nav-submenu a:hover,
.nav-submenu a:focus-visible,
.nav-submenu a[aria-current="page"] {
  color: var(--ink);
  background: rgba(85, 201, 210, 0.12);
}

.nav-submenu b {
  font-size: 12px;
}

.nav-submenu small {
  color: #718587;
  font-size: 10px;
  font-weight: 500;
  line-height: 1.5;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  justify-self: end;
}

.concept-label {
  color: #6f8384;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 9px;
  letter-spacing: 0.16em;
}

.nav-toggle {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 42px;
  min-height: 56px;
  padding: 0 24px;
  color: #07171b;
  background: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 2px;
  font-size: 13px;
  font-weight: 800;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease;
}

.button:hover,
.button:focus-visible {
  color: var(--ink);
  background: transparent;
  transform: translateY(-2px);
}

.button-small {
  min-height: 40px;
  padding: 0 16px;
  gap: 20px;
  font-size: 12px;
}

.button-light {
  color: #07171b;
  background: #f2f4ef;
  border-color: #f2f4ef;
}

.button-light:hover,
.button-light:focus-visible {
  color: #f2f4ef;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #c1cdcc;
  border-bottom: 1px solid rgba(193, 205, 204, 0.36);
  font-size: 13px;
  font-weight: 700;
}

.text-link span {
  color: var(--gold);
}

.eyebrow {
  color: var(--gold);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.eyebrow span {
  color: var(--cyan);
}

.eyebrow.dark {
  color: #8c651c;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 100svh;
  background:
    radial-gradient(circle at 82% 25%, rgba(55, 145, 154, 0.18), transparent 31%),
    linear-gradient(135deg, #061216 0%, #091a1f 65%, #071418 100%);
}

.hero-grid,
.contact-grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 96%);
}

.hero::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 38vw;
  height: 38vw;
  border: 1px solid rgba(85, 201, 210, 0.14);
  border-radius: 50%;
  content: "";
  transform: translate(42%, -44%);
}

.hero-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: var(--shell);
  min-height: 100svh;
  margin-inline: auto;
  padding: 126px 0 40px;
}

.hero-topline {
  display: flex;
  justify-content: space-between;
  color: #627779;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
}

.hero-copy {
  padding-top: clamp(60px, 10vh, 118px);
}

.hero-copy .eyebrow {
  margin-bottom: 28px;
}

.hero-copy h1 {
  max-width: 1060px;
  font-size: clamp(56px, 6.3vw, 104px);
  font-weight: 750;
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.hero-copy h1 em {
  color: var(--gold);
  font-style: normal;
}

.hero-lower {
  display: grid;
  grid-template-columns: minmax(340px, 0.72fr) minmax(500px, 1.28fr);
  gap: clamp(64px, 9vw, 150px);
  align-items: end;
  margin-top: auto;
  padding-top: 66px;
}

.hero-intro {
  align-self: end;
}

.hero-intro > p {
  max-width: 530px;
  color: #9babab;
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
}

.hero-system {
  background: rgba(9, 27, 32, 0.74);
  border: 1px solid rgba(85, 201, 210, 0.22);
  backdrop-filter: blur(12px);
}

.system-head {
  display: flex;
  justify-content: space-between;
  padding: 16px 18px;
  color: #708587;
  border-bottom: 1px solid var(--line);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 8px;
  letter-spacing: 0.14em;
}

.status {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
}

.status i {
  width: 5px;
  height: 5px;
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 12px currentColor;
}

.system-core {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 150px;
  padding: 24px 28px;
  background:
    linear-gradient(90deg, rgba(85, 201, 210, 0.08), transparent 45%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 59px,
      rgba(255, 255, 255, 0.025) 60px
    );
}

.core-ring {
  display: grid;
  width: 82px;
  height: 82px;
  border: 1px solid rgba(85, 201, 210, 0.55);
  border-radius: 50%;
  place-items: center;
  box-shadow:
    inset 0 0 0 12px rgba(85, 201, 210, 0.035),
    0 0 42px rgba(85, 201, 210, 0.08);
}

.core-ring span {
  color: var(--cyan);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.system-core p {
  font-size: clamp(19px, 1.8vw, 27px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.035em;
}

.system-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.system-flow li {
  padding: 16px 14px;
}

.system-flow li + li {
  border-left: 1px solid var(--line);
}

.system-flow b,
.system-flow span {
  display: block;
}

.system-flow b {
  margin-bottom: 7px;
  color: var(--gold);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 8px;
}

.system-flow span {
  color: #8fa1a2;
  font-size: 11px;
}

.scroll-cue {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 36px;
  color: #53696b;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 8px;
  letter-spacing: 0.12em;
}

.scroll-cue i {
  width: 72px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
}

.scroll-cue i::after {
  display: block;
  width: 35%;
  height: 100%;
  background: var(--gold);
  content: "";
  animation: scroll-line 2.2s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { transform: translateX(-120%); }
  60%, 100% { transform: translateX(320%); }
}

.service-index {
  padding: 140px 0 130px;
  color: var(--paper-ink);
  background: var(--paper);
}

.editorial-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(310px, 0.7fr);
  gap: clamp(60px, 10vw, 160px);
  align-items: end;
  margin-bottom: 82px;
}

.editorial-heading .eyebrow {
  margin-bottom: 20px;
}

.editorial-heading h2 {
  font-size: clamp(42px, 5.1vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.06em;
}

.editorial-heading > p {
  max-width: 480px;
  color: #657275;
  font-size: 16px;
  line-height: 1.85;
}

.service-list {
  border-top: 1px solid var(--line-dark);
}

.service-row {
  position: relative;
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 130px 36px;
  gap: 20px;
  align-items: center;
  min-height: 134px;
  border-bottom: 1px solid var(--line-dark);
  isolation: isolate;
}

.service-row::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: #101f24;
  content: "";
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.32s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.service-row:hover {
  color: var(--ink);
}

.service-row:hover::before {
  transform: scaleY(1);
}

.service-no {
  color: #8b671f;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 10px;
}

.service-row h3 {
  margin-bottom: 7px;
  font-size: clamp(23px, 2.2vw, 32px);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.service-row p {
  color: #6c787a;
  font-size: 13px;
  transition: color 0.25s ease;
}

.service-row:hover p {
  color: #91a3a4;
}

.service-row small {
  color: #8f9999;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
}

.row-arrow {
  color: #8b671f;
  font-size: 18px;
  transition: color 0.25s ease, transform 0.25s ease;
}

.service-row:hover .row-arrow {
  color: var(--gold);
  transform: translate(4px, -4px);
}

.ai-story {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(480px, 0.92fr);
  min-height: 890px;
  background: #03090b;
}

.ai-media {
  position: relative;
  overflow: hidden;
  min-height: 680px;
}

.ai-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.78) contrast(1.08);
  transition: transform 1.2s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.ai-story:hover .ai-media img {
  transform: scale(1.018);
}

.media-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, transparent 65%, rgba(3, 9, 11, 0.55)),
    linear-gradient(to top, rgba(3, 9, 11, 0.88), transparent 42%);
}

.media-label {
  position: absolute;
  bottom: 30px;
  left: 32px;
  color: var(--cyan);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
}

.ai-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 94px clamp(50px, 7vw, 120px);
  background:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px),
    #08171b;
  background-size: 72px 72px;
}

.ai-content h2 {
  margin-top: 24px;
  font-size: clamp(42px, 4.4vw, 67px);
  line-height: 1.08;
  letter-spacing: -0.065em;
}

.ai-lead {
  max-width: 620px;
  margin-top: 34px;
  color: #94a5a5;
  font-size: 16px;
  line-height: 1.9;
}

.spec-list {
  margin-top: 48px;
  border-top: 1px solid var(--line);
}

.spec-list div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.spec-list dt {
  color: var(--cyan);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.spec-list dd {
  color: #b6c2c1;
  font-size: 13px;
}

.outline-link {
  display: flex;
  justify-content: space-between;
  margin-top: 42px;
  padding: 18px 20px;
  color: var(--gold);
  border: 1px solid rgba(239, 195, 109, 0.38);
  font-size: 13px;
  font-weight: 750;
  transition: color 0.2s ease, background 0.2s ease;
}

.outline-link:hover,
.outline-link:focus-visible {
  color: #07171b;
  background: var(--gold);
}

.web-work {
  padding: 140px 0;
  background: var(--night);
}

.web-heading > p {
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 18px;
}

.project-card {
  position: relative;
  overflow: hidden;
  min-height: 330px;
  background: #0b1d22;
  border: 1px solid var(--line);
}

.project-large {
  grid-row: span 2;
  min-height: 680px;
}

.project-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4, 13, 16, 0.95), transparent 56%);
  content: "";
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.52) brightness(0.84);
  transition: filter 0.45s ease, transform 0.65s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.project-card:hover img,
.project-card:focus-visible img {
  filter: saturate(0.92) brightness(0.94);
  transform: scale(1.025);
}

.project-card > span {
  position: absolute;
  z-index: 1;
  right: 24px;
  bottom: 22px;
  left: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3px 20px;
  align-items: end;
}

.project-card b {
  font-size: 18px;
}

.project-card small {
  color: #839596;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 8px;
  letter-spacing: 0.13em;
}

.project-card i {
  grid-row: 1 / span 2;
  grid-column: 2;
  color: var(--gold);
  font-size: 18px;
  font-style: normal;
  transition: transform 0.25s ease;
}

.project-card:hover i {
  transform: translate(4px, -4px);
}

.process {
  padding: 140px 0;
  color: var(--paper-ink);
  background: var(--paper-2);
}

.process-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(70px, 10vw, 160px);
}

.process-title {
  position: sticky;
  top: 110px;
  align-self: start;
}

.process-title h2 {
  margin-top: 22px;
  font-size: clamp(40px, 4.5vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.06em;
}

.process-title > p:last-child {
  max-width: 470px;
  margin-top: 30px;
  color: #677476;
}

.process-steps {
  border-top: 1px solid var(--line-dark);
}

.process-steps li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-dark);
}

.process-steps > li > span {
  color: #8e671c;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 10px;
}

.process-steps h3 {
  margin-bottom: 7px;
  font-size: 25px;
  letter-spacing: -0.035em;
}

.process-steps p {
  color: #6c797b;
}

.contact {
  position: relative;
  overflow: hidden;
  padding: 136px 0 90px;
  background:
    radial-gradient(circle at 80% 50%, rgba(85, 201, 210, 0.18), transparent 28%),
    #08171b;
}

.contact-grid {
  opacity: 0.22;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.95), transparent);
}

.contact-inner {
  position: relative;
  z-index: 1;
}

.contact h2 {
  max-width: 1080px;
  margin-top: 24px;
  font-size: clamp(50px, 7vw, 98px);
  line-height: 1.02;
  letter-spacing: -0.07em;
}

.contact-bottom {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  margin-top: 90px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.contact-bottom p {
  color: #738789;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.site-footer {
  padding: 44px 0;
  color: #6e8183;
  background: #030c0f;
  border-top: 1px solid var(--line);
  font-size: 11px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 60px;
  align-items: end;
  width: var(--section-shell);
  margin-inline: auto;
}

.footer-inner > div {
  display: grid;
  gap: 7px;
}

.footer-inner strong {
  color: #dce4e2;
  letter-spacing: 0.26em;
}

.footer-inner span {
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 8px;
  letter-spacing: 0.12em;
}

.footer-inner address {
  line-height: 1.8;
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.72s ease,
    transform 0.72s cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

@media (max-width: 1080px) {
  :root {
    --shell: min(calc(100vw - 44px), 980px);
    --section-shell: min(calc(100vw - 44px), 920px);
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    position: fixed;
    z-index: 49;
    top: 87px;
    right: 22px;
    display: none;
    min-width: 280px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    background: rgba(7, 20, 24, 0.98);
    border: 1px solid var(--line);
    backdrop-filter: blur(18px);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav > a,
  .nav-group-toggle {
    width: 100%;
    padding: 13px 12px;
    text-align: left;
  }

  .nav-group-toggle {
    justify-content: space-between;
  }

  .nav-toggle {
    display: grid;
    width: 40px;
    height: 40px;
    padding: 0 10px;
    background: transparent;
    border: 1px solid var(--line);
    place-content: center;
    gap: 6px;
  }

  .nav-toggle > span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 1px;
    background: var(--ink);
  }

  .nav-submenu,
  .nav-group.is-expanded .nav-submenu,
  .nav-group:focus-within .nav-submenu {
    position: static;
    width: auto;
    max-height: 0;
    padding: 0 8px;
    visibility: hidden;
    opacity: 1;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.025);
    border: 0;
    box-shadow: none;
    transform: none;
    transition: max-height 0.25s ease, padding 0.25s ease, visibility 0.25s;
  }

  .nav-group.is-expanded .nav-submenu {
    max-height: 260px;
    padding: 6px 8px 9px;
    visibility: visible;
  }

  .concept-label {
    display: none;
  }

  .hero-shell {
    padding-top: 116px;
  }

  .hero-lower {
    grid-template-columns: 1fr;
    gap: 48px;
    margin-top: 58px;
  }

  .hero-intro {
    max-width: 700px;
  }

  .hero-system {
    max-width: 760px;
  }

  .editorial-heading {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .ai-story {
    grid-template-columns: 1fr;
  }

  .ai-media {
    min-height: 620px;
  }

  .ai-content {
    padding: 100px max(44px, calc((100vw - 920px) / 2));
  }

  .project-grid {
    grid-template-columns: 1fr 1fr;
  }

  .project-large {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 560px;
  }

  .process-layout {
    grid-template-columns: 1fr;
    gap: 66px;
  }

  .process-title {
    position: static;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: calc(100vw - 32px);
    --section-shell: calc(100vw - 32px);
  }

  body {
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .site-header,
  .site-header.is-scrolled {
    left: 16px;
    width: calc(100vw - 32px);
    min-height: 72px;
    padding: 0;
    transform: none;
  }

  .site-header.is-scrolled {
    left: 0;
    width: 100%;
    padding-inline: 16px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-name {
    font-size: 14px;
  }

  .header-actions .button {
    display: none;
  }

  .site-nav {
    position: fixed;
    z-index: 49;
    top: 71px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    background: rgba(7, 20, 24, 0.98);
    border: 1px solid var(--line);
    backdrop-filter: blur(18px);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 13px 12px;
  }

  .hero-shell {
    min-height: auto;
    padding: 104px 0 38px;
  }

  .hero-topline span:last-child {
    display: none;
  }

  .hero-copy {
    padding-top: 74px;
  }

  .hero-copy .eyebrow {
    margin-bottom: 20px;
  }

  .hero-copy h1 {
    font-size: clamp(38px, 11.2vw, 50px);
    line-height: 1.02;
    letter-spacing: -0.075em;
  }

  .hero-lower {
    gap: 42px;
    margin-top: 56px;
    padding-top: 0;
  }

  .hero-intro > p {
    font-size: 15px;
  }

  .hero-intro > p br {
    display: none;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
  }

  .text-link {
    width: max-content;
  }

  .system-head {
    flex-direction: column;
    gap: 8px;
  }

  .system-core {
    min-height: 134px;
    padding: 22px 18px;
  }

  .core-ring {
    width: 68px;
    height: 68px;
  }

  .system-core p {
    font-size: 20px;
  }

  .system-flow {
    grid-template-columns: repeat(2, 1fr);
  }

  .system-flow li:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .system-flow li:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .scroll-cue {
    margin-top: 28px;
  }

  .service-index,
  .web-work,
  .process {
    padding: 92px 0;
  }

  .editorial-heading {
    margin-bottom: 54px;
  }

  .editorial-heading h2,
  .process-title h2 {
    font-size: clamp(34px, 9.5vw, 44px);
  }

  .editorial-heading > p {
    font-size: 15px;
  }

  .service-row {
    grid-template-columns: 42px minmax(0, 1fr) 24px;
    gap: 12px;
    min-height: 126px;
    padding: 18px 0;
  }

  .service-row h3 {
    font-size: 21px;
  }

  .service-row p {
    margin-top: 7px;
    font-size: 12px;
    line-height: 1.6;
  }

  .service-row small {
    display: none;
  }

  .ai-media {
    min-height: 460px;
  }

  .media-overlay {
    background: linear-gradient(to top, rgba(3, 9, 11, 0.9), transparent 55%);
  }

  .ai-content {
    padding: 82px 16px;
  }

  .ai-content h2 {
    font-size: clamp(35px, 9.7vw, 44px);
  }

  .ai-lead {
    font-size: 15px;
  }

  .spec-list div {
    grid-template-columns: 105px 1fr;
    gap: 12px;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-large {
    grid-column: auto;
    min-height: 330px;
  }

  .process-layout {
    gap: 50px;
  }

  .process-steps li {
    grid-template-columns: 46px 1fr;
    gap: 14px;
    padding: 28px 0;
  }

  .contact {
    padding: 94px 0 76px;
  }

  .contact h2 {
    font-size: clamp(36px, 10.5vw, 50px);
  }

  .contact-bottom {
    align-items: stretch;
    flex-direction: column;
    margin-top: 64px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
  }
}

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

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