:root {
  --ink: #172421;
  --ink-soft: #33433f;
  --green: #0d5b4c;
  --green-dark: #083e35;
  --mint: #a5d3c4;
  --red: #d84c3f;
  --paper: #f3f1eb;
  --white: #ffffff;
  --line: rgba(23, 36, 33, 0.16);
  --max-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  height: 82px;
  padding: 0 max(28px, calc((100vw - var(--max-width)) / 2));
  display: flex;
  align-items: center;
  color: var(--white);
  transition: background 0.3s ease, color 0.3s ease, height 0.3s ease;
}

.site-header.scrolled {
  height: 68px;
  color: var(--ink);
  background: rgba(243, 241, 235, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-logo {
  display: block;
  width: 200px;
  height: 50px;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 38px;
  margin-left: auto;
  margin-right: 48px;
}

.desktop-nav a {
  position: relative;
  font-size: 14px;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

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

.header-cta {
  min-height: 42px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  font-size: 13px;
}

.site-header.scrolled .header-cta {
  border-color: var(--ink);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  height: min(900px, 92vh);
  min-height: 680px;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(4, 26, 23, 0.92) 0%, rgba(4, 30, 26, 0.74) 36%, rgba(4, 30, 26, 0.08) 72%),
    linear-gradient(0deg, rgba(4, 25, 22, 0.3), transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max-width), calc(100% - 56px));
  margin: 0 auto;
  padding-top: clamp(175px, 23vh, 235px);
}

.eyebrow {
  margin: 0 0 28px;
  display: flex;
  align-items: center;
  gap: 13px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--red);
}

.eyebrow.dark {
  color: var(--green);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(50px, 5.5vw, 82px);
  line-height: 1.22;
  letter-spacing: 0;
}

.hero-lead {
  margin: 30px 0 0;
  font-size: 18px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.82);
}

.hero-actions {
  margin-top: 42px;
  display: flex;
  align-items: center;
  gap: 36px;
}

.button {
  min-height: 54px;
  padding: 0 26px;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  cursor: pointer;
  font-weight: 600;
}

.button-primary {
  color: var(--white);
  background: var(--red);
  transition: transform 0.25s ease, background 0.25s ease;
}

.button-primary:hover {
  transform: translateY(-2px);
  background: #bf3d32;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  font-size: 14px;
}

.text-link span {
  transition: transform 0.2s ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.hero-scroll {
  position: absolute;
  z-index: 2;
  right: 35px;
  bottom: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-scroll span {
  font-size: 8px;
  letter-spacing: 2px;
  writing-mode: vertical-rl;
}

.hero-scroll i {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.65);
}

.section {
  padding: 120px max(28px, calc((100vw - var(--max-width)) / 2));
}

.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  align-self: flex-start;
}

.section-label span {
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
}

.section-label p {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}

.section-label.light p {
  color: var(--white);
}

.intro {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 26px 60px;
}

.intro-copy {
  display: grid;
  grid-template-columns: minmax(420px, 1.25fr) minmax(280px, 0.75fr);
  gap: 80px;
  align-items: end;
}

.intro h2,
.section-heading h2,
.approach h2,
.about h2,
.contact h2 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(34px, 3.4vw, 52px);
  line-height: 1.48;
  letter-spacing: 0;
}

.intro-copy > p,
.approach-heading > p,
.about-copy > p,
.contact-copy > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
}

.principle-list {
  grid-column: 2;
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle-list article {
  position: relative;
  min-height: 180px;
  padding: 30px 30px 26px;
  border-right: 1px solid var(--line);
}

.principle-list article:first-child {
  padding-left: 0;
}

.principle-list article:last-child {
  border-right: 0;
}

.principle-list strong {
  position: absolute;
  top: 30px;
  right: 25px;
  color: var(--red);
  font-size: 11px;
}

.principle-list h3 {
  margin: 37px 0 14px;
  font-size: 20px;
}

.principle-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.services {
  color: var(--white);
  background: var(--green-dark);
}

.section-heading {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 60px;
}

.section-heading > div:last-child {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
}

.section-heading > div:last-child > p {
  max-width: 330px;
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  line-height: 1.8;
}

.service-tabs {
  margin-top: 74px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.service-tabs button {
  position: relative;
  padding: 0 0 20px;
  border: 0;
  color: rgba(255, 255, 255, 0.48);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-weight: 600;
}

.service-tabs button.active {
  color: var(--white);
}

.service-tabs button.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 3px;
  background: var(--red);
}

.service-detail {
  min-height: 390px;
  padding-top: 65px;
  display: grid;
  grid-template-columns: 120px 1fr 0.9fr;
  gap: 60px;
}

.service-number {
  color: var(--mint);
  font-family: "Noto Serif SC", serif;
  font-size: 52px;
}

.service-kicker {
  margin: 4px 0 20px;
  color: var(--mint);
  font-size: 10px;
  letter-spacing: 2px;
}

.service-main h3 {
  margin: 0 0 22px;
  font-size: 28px;
}

.service-description {
  max-width: 530px;
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  line-height: 1.9;
}

.service-main ul {
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 16px 30px;
  list-style: none;
}

.service-main li:nth-child(n + 5) {
  color: rgba(255, 255, 255, 0.78);
}

.service-main li {
  padding-left: 17px;
  position: relative;
  font-size: 13px;
}

.service-main li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--red);
}

.service-visual {
  position: relative;
  min-height: 260px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.service-visual::before,
.service-visual::after {
  content: "";
  position: absolute;
  opacity: 0.2;
}

.service-visual::before {
  left: 33%;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--white);
  box-shadow: 120px 0 0 var(--white);
}

.service-visual::after {
  top: 33%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--white);
  box-shadow: 0 86px 0 var(--white);
}

.service-visual svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.service-visual path {
  fill: none;
  stroke: var(--mint);
  stroke-width: 3;
  stroke-linecap: round;
}

.node {
  position: absolute;
  z-index: 2;
  width: 10px;
  height: 10px;
  border: 2px solid var(--green-dark);
  border-radius: 50%;
  background: var(--red);
}

.node-a { left: 9%; top: 74%; }
.node-b { left: 44%; top: 50%; }
.node-c { left: 67%; top: 34%; }
.node-d { right: 8%; top: 15%; }

.catalog {
  background: var(--paper);
}

.catalog-heading {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 60px;
}

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

.catalog-heading h2,
.trust h2,
.faq h2 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(34px, 3.4vw, 52px);
  line-height: 1.48;
}

.business-stream {
  margin: 72px 0 0 240px;
}

.stream-heading {
  padding-bottom: 28px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 35px;
  border-bottom: 1px solid var(--line);
}

.stream-heading > span {
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
}

.stream-heading h3 {
  margin: 0 0 10px;
  font-size: 26px;
}

.stream-heading p {
  max-width: 650px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

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

.catalog-grid a {
  min-height: 125px;
  padding: 25px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: color 0.2s ease, background 0.2s ease;
}

.catalog-grid a:hover {
  color: var(--white);
  background: var(--green);
}

.catalog-grid strong {
  font-size: 16px;
}

.catalog-grid span {
  color: var(--ink-soft);
  font-size: 12px;
}

.catalog-grid a:hover span {
  color: rgba(255, 255, 255, 0.68);
}

.iatf-feature {
  margin: 70px 0 0 240px;
  padding: 45px;
  display: grid;
  grid-template-columns: 155px 1.2fr 0.8fr;
  gap: 42px;
  align-items: center;
  color: var(--white);
  background: var(--ink);
}

.iatf-code {
  color: var(--mint);
  font-family: "Noto Serif SC", serif;
  font-size: 38px;
  line-height: 1.1;
}

.iatf-feature h3 {
  margin: 0 0 16px;
  font-size: 26px;
}

.iatf-feature p:not(.service-kicker) {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  line-height: 1.9;
}

.iatf-feature ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.iatf-feature li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 12px;
}

.iatf-feature .button {
  grid-column: 3;
  justify-self: start;
  min-height: 46px;
  padding: 0 20px;
}

.consulting-stream {
  margin-top: 90px;
}

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

.consulting-columns article {
  min-height: 265px;
  padding: 30px 25px;
  border-right: 1px solid var(--line);
}

.consulting-columns article:first-child {
  padding-left: 0;
}

.consulting-columns article:last-child {
  border-right: 0;
}

.consulting-columns b {
  color: var(--red);
  font-size: 10px;
}

.consulting-columns h4 {
  margin: 38px 0 16px;
  font-size: 20px;
}

.consulting-columns p {
  margin: 0 0 25px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

.consulting-columns span {
  color: var(--green);
  font-size: 11px;
  line-height: 1.8;
}

.solutions {
  color: var(--white);
  background: var(--green);
}

.solutions-heading > div:last-child > p {
  color: rgba(255, 255, 255, 0.65);
}

.solution-grid {
  margin: 70px 0 0 240px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.solution-grid article {
  min-height: 310px;
  padding: 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.solution-grid article.featured {
  color: var(--ink);
  background: var(--mint);
}

.solution-grid > article > span {
  color: var(--red);
  font-size: 10px;
}

.solution-grid h3 {
  margin: 55px 0 15px;
  font-size: 21px;
}

.solution-grid p {
  min-height: 68px;
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  line-height: 1.75;
}

.solution-grid .featured p {
  color: var(--ink-soft);
}

.solution-grid ul {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.solution-grid li {
  margin-top: 9px;
  font-size: 11px;
}

.approach {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 40px 60px;
}

.approach-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
}

.approach-heading > p {
  max-width: 340px;
  padding-bottom: 10px;
}

.process {
  grid-column: 2;
  margin: 80px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  border-top: 1px solid var(--line);
}

.process li {
  position: relative;
  min-height: 260px;
  padding: 26px 25px;
  border-right: 1px solid var(--line);
}

.process li:first-child {
  padding-left: 0;
}

.process li:last-child {
  border-right: 0;
}

.process-index {
  color: var(--red);
  font-size: 10px;
}

.process-icon {
  width: 48px;
  height: 48px;
  margin-top: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  border: 1px solid var(--green);
  font-size: 20px;
}

.process h3 {
  margin: 24px 0 11px;
  font-size: 18px;
}

.process p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.trust {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 35px 60px;
  background: #e6ece8;
}

.trust-grid {
  grid-column: 2;
  margin-top: 55px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.trust-grid article {
  min-height: 225px;
  padding: 30px 24px;
  border-right: 1px solid var(--line);
}

.trust-grid article:first-child {
  padding-left: 0;
}

.trust-grid article:last-child {
  border-right: 0;
}

.trust-grid strong {
  color: var(--green);
  font-family: "Noto Serif SC", serif;
  font-size: 30px;
}

.trust-grid h3 {
  margin: 40px 0 12px;
  font-size: 18px;
}

.trust-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.75;
}

.about {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 130px;
  color: var(--white);
  background: var(--green);
}

.about h2 {
  font-size: clamp(38px, 4vw, 60px);
}

.about-copy {
  padding-top: 62px;
}

.about-copy > p {
  margin-bottom: 25px;
  color: rgba(255, 255, 255, 0.72);
}

.dark-link {
  margin-top: 35px;
}

.faq {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 100px;
  background: var(--paper);
}

.faq-intro .section-label {
  margin-bottom: 45px;
}

.faq-intro > p {
  max-width: 430px;
  margin: 25px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.9;
}

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

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
}

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

.faq-list summary span {
  color: var(--red);
  font-size: 21px;
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  margin: -5px 45px 25px 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.85;
}

.contact {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 100px;
  color: var(--white);
  background: var(--ink);
}

.contact-copy > p:not(.eyebrow) {
  max-width: 430px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.6);
}

.contact-channels {
  margin-top: 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  align-items: end;
  gap: 22px;
}

.contact-note {
  display: flex;
  align-items: center;
  gap: 15px;
}

.contact-note-secondary {
  margin-top: 18px;
}

.contact-note a:hover {
  color: var(--mint);
}

.contact-note > span {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-family: "Noto Serif SC", serif;
}

.contact-note p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  line-height: 1.7;
}

.contact-note strong {
  color: var(--white);
}

.contact-qr {
  margin: 0;
  padding: 8px;
  color: var(--ink);
  background: var(--white);
  text-align: center;
}

.contact-qr img {
  display: block;
  width: 116px;
  height: 116px;
  image-rendering: pixelated;
}

.contact-qr figcaption {
  margin-top: 6px;
  font-size: 11px;
  font-weight: 600;
}

.contact-form {
  padding: 45px;
  color: var(--ink);
  background: var(--paper);
}

.contact-form label {
  display: block;
  margin-bottom: 26px;
}

.contact-form label > span {
  display: block;
  margin-bottom: 9px;
  font-size: 12px;
  font-weight: 600;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  color: var(--ink);
  background: transparent;
  font-size: 14px;
  transition: border-color 0.2s ease;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--green);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #999e9b;
}

.form-bottom {
  margin-top: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}

.contact-form .consent {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-soft);
}

.contact-form .consent input {
  width: 16px;
  height: 16px;
  accent-color: var(--green);
}

.contact-form .consent span {
  margin: 0;
  font-size: 11px;
  font-weight: 400;
}

.button-submit {
  flex: 0 0 auto;
  color: var(--white);
  background: var(--red);
}

.form-status {
  min-height: 20px;
  margin: 18px 0 0;
  color: var(--green);
  font-size: 13px;
}

footer {
  min-height: 105px;
  padding: 25px max(28px, calc((100vw - var(--max-width)) / 2));
  display: flex;
  align-items: center;
  gap: 45px;
  color: rgba(255, 255, 255, 0.55);
  background: #101a18;
  font-size: 10px;
}

.footer-brand {
  color: var(--white);
}

.footer-brand .brand-logo {
  width: 160px;
  height: 40px;
}

footer p:nth-of-type(1) {
  margin-left: auto;
}

.back-top {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--white);
  font-size: 16px;
}

@media (max-width: 920px) {
  .site-header {
    height: 70px;
    padding: 0 22px;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    display: grid;
    place-content: center;
    gap: 7px;
    border: 0;
    background: transparent;
  }

  .menu-toggle span {
    width: 24px;
    height: 1px;
    background: currentColor;
    transition: transform 0.2s ease;
  }

  .site-header.menu-open {
    height: 100vh;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: 70px 1fr;
    align-items: center;
    color: var(--white);
    background: var(--green-dark);
  }

  .site-header.menu-open .menu-toggle span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .site-header.menu-open .menu-toggle span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .site-header.menu-open .brand {
    grid-column: 1;
    grid-row: 1;
  }

  .site-header.menu-open .menu-toggle {
    grid-column: 2;
    grid-row: 1;
  }

  .site-header.menu-open .desktop-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    align-self: start;
    margin: 50px 0 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .site-header.menu-open .desktop-nav a {
    width: 100%;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    font-family: "Noto Serif SC", serif;
    font-size: 26px;
  }

  .section {
    padding: 85px 28px;
  }

  .intro,
  .section-heading,
  .approach,
  .catalog-heading,
  .trust {
    grid-template-columns: 1fr;
  }

  .intro-copy,
  .section-heading > div:last-child {
    grid-template-columns: 1fr;
    display: grid;
    gap: 28px;
  }

  .principle-list,
  .process,
  .trust-grid {
    grid-column: 1;
  }

  .business-stream,
  .iatf-feature,
  .solution-grid {
    margin-left: 0;
  }

  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .iatf-feature {
    grid-template-columns: 130px 1fr;
  }

  .iatf-feature ul {
    grid-column: 2;
  }

  .iatf-feature .button {
    grid-column: 2;
  }

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

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

  .service-detail {
    grid-template-columns: 70px 1fr;
  }

  .service-visual {
    display: none;
  }

  .about,
  .contact,
  .faq {
    gap: 65px;
  }
}

@media (max-width: 680px) {
  .brand-logo {
    width: 160px;
    height: 40px;
  }

  .hero {
    height: 88vh;
    min-height: 660px;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(4, 26, 23, 0.86), rgba(4, 30, 26, 0.42)),
      linear-gradient(0deg, rgba(4, 25, 22, 0.7), transparent 65%);
  }

  .hero-content {
    width: calc(100% - 44px);
    padding-top: 155px;
  }

  .hero h1 {
    font-size: 36px;
    line-height: 1.3;
  }

  .hero-lead {
    margin-top: 24px;
    font-size: 15px;
  }

  .hero-actions {
    margin-top: 34px;
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .hero-scroll {
    display: none;
  }

  .section {
    padding: 72px 22px;
  }

  .intro h2,
  .section-heading h2,
  .approach h2,
  .about h2,
  .contact h2 {
    font-size: 32px;
    line-height: 1.5;
  }

  .principle-list {
    margin-top: 38px;
    grid-template-columns: 1fr;
    border-bottom: 0;
  }

  .principle-list article,
  .principle-list article:first-child {
    min-height: auto;
    padding: 25px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principle-list strong {
    top: 25px;
    right: 4px;
  }

  .principle-list h3 {
    margin: 0 0 10px;
  }

  .section-heading {
    gap: 32px;
  }

  .business-stream {
    margin-top: 48px;
  }

  .stream-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

  .catalog-grid a {
    min-height: 112px;
    padding: 20px 15px;
  }

  .catalog-grid strong {
    font-size: 14px;
  }

  .iatf-feature {
    margin-top: 48px;
    padding: 30px 22px;
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .iatf-feature ul,
  .iatf-feature .button {
    grid-column: 1;
  }

  .iatf-feature .button {
    width: 100%;
  }

  .consulting-stream {
    margin-top: 65px;
  }

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

  .consulting-columns article,
  .consulting-columns article:first-child {
    min-height: auto;
    padding: 28px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .consulting-columns h4 {
    margin-top: 24px;
  }

  .solution-grid {
    margin-top: 48px;
    grid-template-columns: 1fr;
  }

  .solution-grid article {
    min-height: auto;
    padding: 28px 22px;
  }

  .solution-grid h3 {
    margin-top: 35px;
  }

  .solution-grid p {
    min-height: auto;
  }

  .service-tabs {
    margin-top: 48px;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 0;
    border: 0;
  }

  .service-tabs button {
    padding: 0 0 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .service-detail {
    min-height: 470px;
    padding-top: 45px;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .service-number {
    font-size: 36px;
  }

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

  .approach-heading {
    display: block;
  }

  .approach-heading > p {
    margin-top: 24px;
  }

  .process {
    margin-top: 45px;
    grid-template-columns: repeat(2, 1fr);
  }

  .process li,
  .process li:first-child {
    min-height: 245px;
    padding: 22px 18px;
    border-bottom: 1px solid var(--line);
  }

  .process li:nth-child(2) {
    border-right: 0;
  }

  .process-icon {
    margin-top: 32px;
  }

  .trust-grid {
    margin-top: 35px;
    grid-template-columns: 1fr;
  }

  .trust-grid article,
  .trust-grid article:first-child {
    min-height: auto;
    padding: 26px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-grid h3 {
    margin-top: 20px;
  }

  .about,
  .contact,
  .faq {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .faq-intro .section-label {
    margin-bottom: 30px;
  }

  .about-copy {
    padding-top: 0;
  }

  .contact-form {
    padding: 30px 22px;
  }

  .contact-channels {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .contact-qr {
    width: 148px;
  }

  .contact-qr img {
    width: 132px;
    height: 132px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-bottom {
    align-items: stretch;
    flex-direction: column;
  }

  footer {
    padding: 35px 22px;
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  footer p {
    margin: 0;
  }

  footer p:nth-of-type(1) {
    margin-left: 0;
  }

  .back-top {
    position: absolute;
    right: 22px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
