:root {
  --paper: #f3f0e9;
  --paper-light: #faf9f6;
  --ink: #111312;
  --muted: #686d69;
  --line: #d3d0c9;
  --red: #e7262d;
  --red-deep: #c91f26;
  --green: #b8c985;
  --white: #ffffff;
  --page-x: clamp(22px, 4.2vw, 72px);
  --section-y: clamp(76px, 8vw, 120px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Sans", "Noto Sans Thai", Arial, sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body.is-thai { font-family: "Noto Sans Thai", "DM Sans", Arial, sans-serif; }

a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }

::selection { background: var(--red); color: var(--white); }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-150%);
  transition: transform 0.2s;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--page-x);
  background: color-mix(in srgb, var(--paper-light) 92%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand { width: clamp(116px, 10vw, 150px); }
.brand img { width: 100%; height: auto; }

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.6vw, 44px);
  margin-left: auto;
  margin-right: clamp(24px, 3.5vw, 56px);
  font-size: 13px;
  font-weight: 600;
}

.desktop-nav a,
.language-switch button { position: relative; }

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 1px;
  background: var(--red);
  transition: right 0.3s var(--ease);
}

.desktop-nav a:hover::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 20px; }

.language-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #a4a6a2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.language-switch button {
  padding: 4px 0;
  border: 0;
  color: #9b9e9a;
  background: transparent;
  cursor: pointer;
}

.language-switch button.is-active { color: var(--ink); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 17px;
  color: var(--white);
  background: var(--ink);
  font-size: 12px;
  font-weight: 600;
  transition: background 0.25s;
}

.header-cta:hover { background: var(--red); }

.menu-button,
.mobile-menu { display: none; }

.hero {
  min-height: calc(100svh - 76px);
  display: flex;
  flex-direction: column;
  background: var(--paper-light);
  overflow: hidden;
}

.hero-grid {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.38fr);
  grid-template-rows: auto 1fr auto;
  column-gap: clamp(32px, 7vw, 120px);
  padding: clamp(38px, 5vw, 76px) var(--page-x) clamp(52px, 6vw, 96px);
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  align-self: start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(184, 201, 133, 0.2);
}

.hero-index {
  justify-self: end;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.hero h1 {
  align-self: end;
  max-width: 1100px;
  margin: clamp(80px, 13vh, 150px) 0 0;
  font-size: clamp(58px, 7.6vw, 116px);
  font-weight: 600;
  letter-spacing: -0.078em;
  line-height: 0.9;
}

.hero-aside {
  align-self: end;
  max-width: 430px;
  padding-bottom: 4px;
}

.hero-aside > p {
  margin: 0 0 40px;
  font-size: clamp(17px, 1.45vw, 22px);
  line-height: 1.52;
}

.text-link,
.light-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  max-width: 250px;
  padding: 14px 0;
  border-top: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.text-link span:last-child,
.light-link span:last-child { transition: transform 0.25s var(--ease); }
.text-link:hover span:last-child,
.light-link:hover span:last-child { transform: translate(4px, -4px); }

.hero-marquee {
  display: flex;
  width: max-content;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.13em;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
}

.hero-marquee span { padding-right: 0.3em; }

@keyframes marquee { to { transform: translateX(-50%); } }

.trust-band {
  display: grid;
  grid-template-columns: 0.55fr 3fr;
  align-items: start;
  gap: 32px;
  padding: 38px var(--page-x);
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-label {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.client-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  gap: clamp(18px, 3vw, 46px);
  background: transparent;
  border: 0;
}

.client-logo {
  min-width: 0;
  height: 96px;
  display: grid;
  place-items: center;
  padding: 16px clamp(14px, 2vw, 32px);
  background: transparent;
}

.client-logo img {
  width: auto;
  max-width: 100%;
  max-height: 62px;
  object-fit: contain;
}

.client-logo:nth-child(2) img,
.client-logo:nth-child(5) img,
.client-logo:nth-child(6) img { max-height: 68px; }

.section-shell { padding: var(--section-y) var(--page-x); }

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.section-number {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.story-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: clamp(50px, 10vw, 170px);
  padding-top: clamp(58px, 8vw, 120px);
}

.display-heading {
  margin: 0;
  max-width: 960px;
  font-size: clamp(38px, 4.8vw, 72px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 1.02;
}

.story-copy { align-self: end; }
.story-copy p,
.lead-copy,
.about-copy p,
.process-intro > p {
  margin: 0;
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.62;
}

.story-copy p + p,
.about-copy p + p { margin-top: 1.3em; }

.services-section { background: var(--white); }

.services-intro {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(40px, 9vw, 150px);
  align-items: end;
  padding: clamp(60px, 8vw, 115px) 0 clamp(70px, 8vw, 120px);
}

.lead-copy { color: #383c39; }

.team-statement {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(44px, 9vw, 150px);
  align-items: end;
  min-height: 360px;
  margin-bottom: 68px;
  padding: clamp(42px, 5vw, 74px);
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}

.team-statement::before {
  content: "";
  position: absolute;
  top: 34px;
  right: 34px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(184, 201, 133, 0.11);
}

.team-statement .section-label { color: #aeb2ae; }

.team-statement h3 {
  max-width: 900px;
  margin: 28px 0 0;
  font-size: clamp(38px, 4.8vw, 72px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 1.02;
}

.team-statement > p {
  max-width: 570px;
  margin: 0;
  color: #c9ccc9;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.65;
}

.capability-label {
  margin: 0 0 20px;
  color: var(--red);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.service-item {
  display: grid;
  grid-template-columns: 0.25fr 1.15fr 1fr auto;
  gap: clamp(22px, 4vw, 64px);
  align-items: center;
  min-height: 218px;
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.4s var(--ease), background 0.25s;
}

.service-item:hover { padding-left: 18px; padding-right: 18px; background: var(--paper-light); }

.service-number,
.service-kicker {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.service-kicker { margin: 0 0 16px; color: var(--red); }

.service-item h3 {
  margin: 0;
  font-size: clamp(28px, 3.3vw, 50px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.service-description {
  max-width: 510px;
  margin: 0;
  color: #4c504c;
  font-size: 16px;
  line-height: 1.6;
}

.service-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 17px;
  transition: color 0.25s, background 0.25s, border-color 0.25s, transform 0.3s var(--ease);
}

.service-item:hover .service-mark { color: var(--white); background: var(--red); border-color: var(--red); transform: rotate(45deg); }

.market-entry {
  min-height: 780px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  color: var(--white);
  background: var(--ink);
}

.market-visual {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  border-right: 1px solid #343735;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid #4a4d4a;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one { width: 64%; aspect-ratio: 1; }
.orbit-two { width: 104%; aspect-ratio: 1; }

.orbit-one::before,
.orbit-two::after {
  content: "";
  position: absolute;
  width: 11px;
  height: 11px;
  background: var(--red);
  border-radius: 50%;
}

.orbit-one::before { top: 14%; right: 13%; }
.orbit-two::after { bottom: 23%; left: 7%; background: var(--green); }

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  background: var(--red);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 18px rgba(231, 38, 45, 0.12);
}

.city {
  position: absolute;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.city-bkk { top: 47%; left: 55%; }
.city-sea { top: 18%; left: 77%; color: #969a96; }

.market-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(72px, 8vw, 140px) var(--page-x);
}

.section-label-light { color: #aeb2ae; }

.market-content h2 {
  max-width: 770px;
  margin: 46px 0 34px;
  font-size: clamp(44px, 5.6vw, 86px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.market-content > p:not(.section-label) {
  max-width: 640px;
  margin: 0;
  color: #c4c7c3;
  font-size: 17px;
  line-height: 1.65;
}

.market-content ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
  margin: 48px 0;
  padding: 0;
  list-style: none;
}

.market-content li {
  padding: 15px 0;
  border-top: 1px solid #3c3f3c;
  color: #e8e9e7;
  font-size: 13px;
}

.market-content li::before { content: "·"; margin-right: 10px; color: var(--green); }

.light-link { border-color: #777b77; }

.process-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(48px, 7vw, 110px);
  padding-top: clamp(54px, 6vw, 88px);
}

.process-intro .display-heading { font-size: clamp(38px, 4.3vw, 64px); }
.process-intro > p { max-width: 560px; margin-top: 30px; color: #4b4f4b; }

.collaboration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.collaboration-card {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 26px clamp(20px, 2.2vw, 34px) 30px;
  border-left: 1px solid var(--line);
}

.collaboration-card:first-child { border-left: 0; padding-left: 0; }
.collaboration-card > span { color: var(--red); font-size: 11px; font-weight: 700; }
.collaboration-card h3 { margin: auto 0 14px; font-size: clamp(21px, 2vw, 29px); font-weight: 600; letter-spacing: -0.035em; line-height: 1.15; }
.collaboration-card p { margin: 0; color: #5d615d; font-size: 14px; line-height: 1.6; }

.results-section { background: var(--paper-light); }
.results-heading { padding: clamp(60px, 8vw, 110px) 0; }
.results-heading .display-heading { max-width: 1150px; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.8vw, 28px); }

.case-card {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: var(--ink);
  border: 0;
}

.case-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}

.case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(8, 12, 10, .28) 0%, rgba(8, 12, 10, .38) 32%, rgba(8, 12, 10, .9) 100%);
}

.case-card:hover .case-media { transform: scale(1.035); }

.case-content {
  min-height: 650px;
  display: flex;
  flex-direction: column;
  padding: clamp(30px, 3vw, 46px);
}

.case-top { display: flex; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.72); font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.case-main { margin: auto 0 34px; }
.case-main h3 { max-width: 95%; margin: 0 0 22px; font-size: clamp(42px, 4vw, 64px); font-weight: 500; letter-spacing: -.065em; line-height: .96; }
.case-proof { max-width: 330px; margin: 0; color: rgba(255,255,255,.92); font-size: 16px; font-weight: 600; line-height: 1.35; }
.case-body { max-width: 420px; margin: 0; color: rgba(255,255,255,.78); font-size: 14px; line-height: 1.62; }

body.is-thai .case-main h3 { letter-spacing: -.04em; line-height: 1.08; }

.fit-section { background: var(--white); }

.fit-layout {
  display: grid;
  grid-template-columns: 0.4fr 1.25fr 0.85fr;
  gap: clamp(40px, 7vw, 115px);
  align-items: start;
}

.fit-layout .display-heading { font-size: clamp(38px, 4.6vw, 68px); }
.fit-list { border-top: 1px solid var(--ink); }
.fit-list p { margin: 0; padding: 24px 0; border-bottom: 1px solid var(--line); font-size: 16px; line-height: 1.55; }

.about-section { background: var(--paper); }
.about-layout { display: grid; grid-template-columns: 0.55fr 1.35fr 0.7fr; gap: clamp(40px, 7vw, 120px); }
.about-layout .section-heading { align-self: start; }
.about-layout .display-heading { font-size: clamp(38px, 4.6vw, 68px); }
.about-copy { align-self: end; }

.closing-section {
  position: relative;
  min-height: 680px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--section-y) var(--page-x);
  color: var(--white);
  background: var(--ink);
  text-align: center;
  overflow: hidden;
}

.closing-section > *:not(.closing-orbit) { position: relative; z-index: 2; }

.closing-orbit {
  position: absolute;
  width: min(760px, 80vw);
  aspect-ratio: 1;
  border: 1px solid #303330;
  border-radius: 50%;
}

.closing-orbit::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  background: var(--red);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.closing-section h2 {
  max-width: 980px;
  margin: 38px auto 30px;
  font-size: clamp(42px, 5.2vw, 76px);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.closing-copy { max-width: 760px; margin: 0 auto 46px; color: #bfc3bf; font-size: 18px; line-height: 1.65; }

.closing-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(620px, 100%);
  padding: 23px 0;
  border-top: 1px solid #707470;
  border-bottom: 1px solid #707470;
  font-size: clamp(19px, 2vw, 28px);
  font-weight: 600;
}

.closing-link span:last-child {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--red);
  border-radius: 50%;
  transition: transform 0.3s var(--ease);
}

.closing-link:hover span:last-child { transform: rotate(45deg); }

.contact-page { background: var(--paper-light); }

.contact-layout {
  min-height: calc(100svh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(520px, 1.14fr);
}

.contact-intro {
  display: flex;
  flex-direction: column;
  padding: clamp(70px, 8vw, 120px) var(--page-x);
  background: var(--ink);
  color: var(--white);
}

.contact-intro h1 {
  max-width: 760px;
  margin: clamp(56px, 9vw, 120px) 0 30px;
  font-size: clamp(46px, 5.4vw, 78px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.contact-intro-copy {
  max-width: 620px;
  margin: 0;
  color: #c5c8c4;
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.65;
}

.contact-direct {
  display: grid;
  gap: 14px;
  margin-top: auto;
  padding-top: 70px;
}

.contact-direct > p { margin: 0; color: #8e938f; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }

.contact-direct-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid #555a56;
  font-size: clamp(18px, 1.8vw, 26px);
  font-weight: 600;
}

.contact-direct-link:last-child { border-bottom: 1px solid #555a56; }
.contact-direct-link span:last-child { color: var(--red); transition: transform .25s var(--ease); }
.contact-direct-link:hover span:last-child { transform: translate(4px, -4px); }

.contact-form-panel { padding: clamp(70px, 8vw, 120px) var(--page-x); }
.contact-form-panel h2 { margin: 24px 0 54px; font-size: clamp(38px, 4.3vw, 62px); font-weight: 500; letter-spacing: -0.06em; line-height: 1.02; }

.contact-form { display: grid; gap: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.form-field { display: grid; gap: 10px; }
.form-field label { font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  color: var(--ink);
  background: transparent;
  font: inherit;
  transition: border-color .2s;
}

.form-field textarea { min-height: 128px; resize: vertical; line-height: 1.55; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-bottom-color: var(--red); }

.contact-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 12px;
  padding: 20px 22px;
  border: 0;
  color: var(--white);
  background: var(--ink);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background .25s;
}

.contact-submit:hover { background: var(--red); }
.form-note { margin: -12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.contact-back { display: inline-flex; gap: 12px; margin-top: 42px; font-size: 13px; font-weight: 700; }
.contact-back:hover { color: var(--red); }

body.is-thai .contact-intro h1,
body.is-thai .contact-form-panel h2 { letter-spacing: -0.04em; line-height: 1.12; }

footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr auto;
  gap: 30px;
  align-items: end;
  padding: 42px var(--page-x);
  color: #d4d7d4;
  background: var(--ink);
  border-top: 1px solid #333633;
  font-size: 11px;
}

.footer-brand { width: 145px; filter: brightness(0) invert(1); }
footer p { margin: 0; }
footer a:not(.footer-brand):hover { color: var(--white); }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

body.is-thai .hero h1,
body.is-thai .display-heading,
body.is-thai .market-content h2,
body.is-thai .closing-section h2 {
  letter-spacing: -0.045em;
  line-height: 1.08;
}

body.is-thai .hero h1 { font-size: clamp(52px, 7vw, 102px); }
body.is-thai .service-item h3 { letter-spacing: -0.035em; line-height: 1.2; }
body.is-thai .team-statement h3 { letter-spacing: -0.04em; line-height: 1.14; }
body.is-thai .section-label,
body.is-thai .service-number,
body.is-thai .service-kicker { letter-spacing: 0.08em; }
body.is-thai .story-copy p,
body.is-thai .lead-copy,
body.is-thai .about-copy p,
body.is-thai .process-intro > p,
body.is-thai .service-description,
body.is-thai .collaboration-card p,
body.is-thai .case-body,
body.is-thai .fit-list p { line-height: 1.82; }

@media (max-width: 1100px) {
  .desktop-nav { display: none; }
  .hero-grid { grid-template-columns: 1fr 0.44fr; }
  .story-layout,
  .services-intro { grid-template-columns: 1fr 0.8fr; }
  .service-item { grid-template-columns: 0.18fr 1fr 0.9fr auto; }
  .market-entry { grid-template-columns: 0.8fr 1.2fr; }
  .fit-layout { grid-template-columns: 0.25fr 1fr 0.75fr; }
  .about-layout { grid-template-columns: 0.35fr 1fr 0.65fr; }
}

@media (max-width: 820px) {
  :root { --section-y: 88px; }
  .site-header { height: 68px; }
  .header-cta { display: none; }
  .menu-button {
    width: 36px;
    height: 36px;
    display: grid;
    place-content: center;
    gap: 6px;
    padding: 0;
    border: 0;
    background: transparent;
  }
  .menu-button span { display: block; width: 24px; height: 1px; background: var(--ink); transition: transform 0.3s, opacity 0.3s; }
  .menu-button.is-open span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-button.is-open span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-menu {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    padding: 16px var(--page-x) 28px;
    background: var(--paper-light);
    border-bottom: 1px solid var(--line);
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.2s;
  }
  .mobile-menu.is-open { transform: scaleY(1); opacity: 1; pointer-events: auto; }
  .mobile-menu a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  .hero { min-height: calc(100svh - 68px); }
  .hero-grid { display: flex; flex-direction: column; padding-top: 34px; }
  .hero-index { position: absolute; right: var(--page-x); }
  .hero h1 { margin: auto 0 56px; padding-top: 100px; font-size: clamp(62px, 15vw, 112px); }
  .hero-aside { max-width: 600px; }
  .hero-aside > p { margin-bottom: 28px; }
  .trust-band { grid-template-columns: 1fr; }
  .client-list { grid-template-columns: repeat(4, 1fr); }
  .story-layout,
  .services-intro,
  .team-statement,
  .process-grid,
  .fit-layout,
  .about-layout { grid-template-columns: 1fr; }
  .story-layout,
  .services-intro,
  .team-statement,
  .process-grid { gap: 52px; }
  .team-statement { min-height: 0; align-items: start; }
  .display-heading { font-size: clamp(38px, 8vw, 62px); }
  .service-item { grid-template-columns: 40px 1fr 42px; gap: 20px; min-height: 0; }
  .service-description { grid-column: 2 / -1; padding-right: 30px; }
  .service-mark { grid-column: 3; grid-row: 1; }
  .market-entry { grid-template-columns: 1fr; }
  .market-visual { min-height: 430px; border-right: 0; border-bottom: 1px solid #343735; }
  .process-intro .display-heading { font-size: clamp(38px, 8vw, 58px); }
  .collaboration-grid { grid-template-columns: 1fr; }
  .collaboration-card { min-height: 0; display: grid; grid-template-columns: 44px 0.7fr 1fr; gap: 18px; align-items: start; padding: 24px 0; border-left: 0; border-top: 1px solid var(--line); }
  .collaboration-card:first-child { border-top: 0; }
  .collaboration-card h3 { margin: 0; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card,
  .case-content { min-height: 560px; }
  .fit-layout { gap: 46px; }
  .about-layout { gap: 54px; }
  .about-layout .section-heading { width: 100%; }
  .closing-section { min-height: 620px; }
  footer { grid-template-columns: 1fr 1fr; gap: 26px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-intro { min-height: 720px; }
  .contact-form-panel { border-top: 1px solid var(--line); }
}

@media (max-width: 540px) {
  :root { --page-x: 20px; --section-y: 76px; }
  .brand { width: 112px; }
  .header-actions { gap: 14px; }
  .hero h1 { margin-bottom: 44px; font-size: 13vw; line-height: 0.96; }
  body.is-thai .hero h1 { font-size: 12.4vw; line-height: 1.14; }
  .hero-aside > p { font-size: 17px; }
  .client-list { grid-template-columns: 1fr 1fr; }
  .client-logo { height: 88px; padding: 14px 18px; }
  .display-heading { font-size: 10vw; line-height: 1.08; }
  body.is-thai .display-heading { font-size: 9.7vw; }
  .service-item { padding: 30px 0; }
  .service-item:hover { padding-left: 0; padding-right: 0; }
  .service-description { grid-column: 1 / -1; padding: 0; }
  .service-title-wrap { grid-column: 2 / -1; }
  .service-mark { display: none; }
  .market-content ul { grid-template-columns: 1fr; }
  .market-content h2 { font-size: 12vw; }
  .case-card,
  .case-content { min-height: 520px; }
  .case-content { padding: 28px; }
  .case-main h3 { font-size: 12vw; }
  .closing-section h2 { font-size: 10.5vw; }
  .closing-copy { font-size: 16px; }
  .contact-intro { min-height: 650px; }
  .contact-intro h1 { font-size: 11.5vw; }
  .form-row { grid-template-columns: 1fr; gap: 28px; }
  .contact-form-panel h2 { font-size: 10vw; }
  footer { grid-template-columns: 1fr; align-items: start; }
}

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