:root {
  --header-height: 68px;
  --page: #ffffff;
  --soft: #f5f9ff;
  --soft-blue: #eef6ff;
  --navy: #071e3f;
  --text: #10294d;
  --muted: #5d6d82;
  --light-muted: #8c9aab;
  --line: #dbe7f5;
  --blue: #0868e8;
  --cyan: #0dbfdb;
  --deep: #002e67;
  --footer: #002a5a;
  --footer-dark: #001d44;
  --shadow: 0 18px 45px rgba(18, 76, 145, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 12px);
  overflow-x: hidden;
}

body {
  margin: 0;
  padding-top: var(--header-height);
  background: var(--page);
  color: var(--text);
  font-family: Pretendard, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

:focus-visible {
  outline: 3px solid rgba(8, 104, 232, 0.35);
  outline-offset: 4px;
}

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

.mobile-only {
  display: none;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 178px 1fr 104px;
  align-items: center;
  gap: 24px;
  height: var(--header-height);
  padding: 0 48px;
  background: rgba(255, 255, 255, 0.93);
  border-bottom: 1px solid rgba(10, 54, 110, 0.12);
  backdrop-filter: blur(16px);
  transition: box-shadow 180ms ease, height 180ms ease;
}

.site-header.is-scrolled {
  height: 64px;
  box-shadow: 0 10px 35px rgba(12, 52, 101, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 138px;
}

.brand img {
  width: 138px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 42px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 600;
}

.desktop-nav a {
  position: relative;
  padding: 12px 0;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
  content: "";
}

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

.header-cta,
.mobile-menu-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  color: #fff;
  background: linear-gradient(135deg, #126cff 0%, #005bd2 100%);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.header-cta:hover,
.mobile-menu-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(8, 104, 232, 0.28);
}

.menu-button {
  display: none;
  justify-self: end;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 0;
}

.menu-button span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy);
  border-radius: 999px;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-button.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-button.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 70px;
  right: 20px;
  left: 20px;
  z-index: 25;
  display: none;
  padding: 18px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.mobile-menu.is-open {
  display: grid;
  gap: 8px;
}

.mobile-menu a:not(.mobile-menu-cta) {
  padding: 14px 10px;
  color: var(--navy);
  font-weight: 600;
}

.mobile-menu-cta {
  margin-top: 8px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(540px, 1.1fr);
  align-items: center;
  min-height: 500px;
  padding: 56px 0 36px 56px;
  overflow: hidden;
  background: #f7fbff;
}

.hero::before {
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line);
  content: "";
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  max-width: 620px;
  min-height: 340px;
  padding-bottom: 8px;
  transition: opacity 160ms ease;
}

.hero-copy.is-changing {
  opacity: 0.84;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 640;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  min-height: 98px;
  color: var(--navy);
  font-size: 40px;
  font-weight: 640;
  line-height: 1.22;
}

.hero-description {
  margin: 22px 0 0;
  min-height: 78px;
  color: #41546d;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
}

.hero-visual {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  transition: opacity 220ms ease;
}

.hero-controls {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: auto;
  color: var(--navy);
  font-size: 15px;
  font-weight: 640;
}

.hero-controls span {
  color: var(--light-muted);
  font-weight: 600;
}

.hero-progress {
  width: 122px;
  height: 2px;
  margin: 0 28px 0 8px;
  background: #c9d9ed;
}

.hero-progress span {
  display: block;
  width: 20%;
  height: 100%;
  background: var(--blue);
  transition: width 240ms ease;
}

.circle-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: #a9bad0;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #d7e5f6;
  border-radius: 50%;
  cursor: pointer;
}

.circle-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.circle-button:not(.is-next) svg {
  transform: rotate(180deg);
}

.circle-button.is-next {
  color: var(--navy);
  background: #fff;
}

.section {
  padding: 48px 52px;
}

.container,
.section-grid,
.tech-layout {
  max-width: 1320px;
  margin: 0 auto;
}

.section-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.12fr;
  gap: 32px;
}

.section h2,
.ai-band h2 {
  margin: 0;
  color: var(--navy);
  font-size: 30px;
  font-weight: 640;
  line-height: 1.28;
}

.section-intro > p:not(.section-kicker),
.ai-copy > p:not(.section-kicker),
.tech-copy > p:not(.section-kicker) {
  margin: 14px 0 0;
  color: #5f7188;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.65;
}

.featured-service {
  position: relative;
  min-height: 304px;
  margin-top: 24px;
  padding: 34px 30px 28px;
  overflow: hidden;
  background: linear-gradient(145deg, #ffffff 0%, #f3f9ff 100%);
  border: 1px solid #d6e6f7;
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(17, 83, 151, 0.08);
}

.featured-service::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0) 0 56%, rgba(8, 104, 232, 0.08) 56% 56.4%, rgba(255, 255, 255, 0) 56.4%),
    radial-gradient(circle at 83% 25%, rgba(16, 147, 255, 0.14), transparent 28%);
  content: "";
}

.featured-service > div,
.service-points {
  position: relative;
  z-index: 1;
}

.featured-service > div:first-child {
  max-width: 235px;
  z-index: 2;
}

.featured-service span {
  color: var(--navy);
  font-size: 14px;
  font-weight: 640;
}

.featured-service h3 {
  margin: 10px 0 14px;
  color: var(--navy);
  font-size: 24px;
  font-weight: 640;
  line-height: 1.28;
}

.featured-service p {
  margin: 0;
  color: #53667c;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.75;
}

.featured-service-visual {
  position: absolute;
  right: 16px;
  bottom: 60px;
  z-index: 1;
  width: 176px;
  height: 176px;
  object-fit: contain;
  object-position: center;
  opacity: 0.98;
  mix-blend-mode: multiply;
  -webkit-mask-image: radial-gradient(circle at 50% 56%, #000 0 48%, rgba(0, 0, 0, 0.82) 58%, transparent 76%);
  mask-image: radial-gradient(circle at 50% 56%, #000 0 48%, rgba(0, 0, 0, 0.82) 58%, transparent 76%);
}

.service-points {
  position: absolute;
  right: 28px;
  bottom: 24px;
  left: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 640;
}

.service-points svg {
  width: 18px;
  height: 18px;
  padding: 3px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 50%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.service-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-self: end;
}

.service-card,
.principle-grid article {
  min-height: 198px;
  padding: 28px 28px;
  background: #fff;
  border: 1px solid #d5e3f2;
  border-radius: 8px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.service-card {
  display: grid;
  grid-template-columns: 68px 1fr;
  column-gap: 20px;
  align-items: center;
  min-height: 148px;
  padding: 24px 26px;
}

.service-card .card-icon-img {
  grid-row: 1 / span 2;
}

.service-card h3,
.service-card p {
  grid-column: 2;
}

.service-card:hover,
.principle-grid article:hover {
  border-color: rgba(8, 104, 232, 0.42);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.line-icon {
  width: 54px;
  height: 54px;
  color: var(--blue);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.card-icon-img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.service-card h3,
.principle-grid h3 {
  margin: 18px 0 10px;
  color: var(--navy);
  font-size: 18px;
  font-weight: 640;
  line-height: 1.25;
}

.service-card h3 {
  margin-top: 0;
}

.service-card p,
.principle-grid p {
  margin: 0;
  color: #617286;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.62;
}

.ai-band {
  position: relative;
  padding: 42px 52px 36px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 88% 24%, rgba(0, 213, 255, 0.25), transparent 28%),
    linear-gradient(135deg, #01285a 0%, #001f4b 58%, #002d62 100%);
}

.ai-bg-lines {
  position: absolute;
  inset: auto 0 0;
  height: 150px;
  opacity: 0.4;
  background:
    repeating-linear-gradient(168deg, transparent 0 20px, rgba(23, 207, 255, 0.12) 21px, transparent 23px),
    radial-gradient(ellipse at 20% 80%, rgba(12, 206, 255, 0.22), transparent 42%);
}

.ai-layout {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 22px;
}

.ai-copy .section-kicker {
  color: #29d3ff;
}

.ai-copy h2 {
  color: #fff;
  font-size: 28px;
}

.ai-copy > p:not(.section-kicker) {
  color: #b5cbe6;
  font-size: 14px;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  gap: 12px;
  align-items: stretch;
}

.workflow-card {
  position: relative;
  min-height: 140px;
  padding: 22px 18px 18px;
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(183, 219, 255, 0.28);
  border-radius: 8px;
}

.workflow-card.is-active {
  border-color: #1edbff;
  background: linear-gradient(180deg, rgba(3, 178, 228, 0.28), rgba(1, 57, 115, 0.5));
  box-shadow: 0 0 32px rgba(4, 211, 255, 0.3);
}

.workflow-card svg {
  width: 34px;
  height: 34px;
  color: #d8efff;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.workflow-card h3 {
  margin: 14px 0 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 640;
}

.workflow-card p {
  margin: 0;
  color: #b9cce2;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.55;
}

.workflow-arrow {
  display: none;
}

.ai-fields {
  grid-column: 2;
  display: grid;
  grid-template-columns: 130px repeat(5, minmax(0, 1fr));
  gap: 10px;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.ai-fields-label,
.ai-field-item {
  font-size: 13px;
  font-weight: 640;
}

.ai-fields-label {
  color: #fff;
  line-height: 1.35;
}

.ai-field-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  color: #e9f6ff;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 7px;
}

.ai-fields svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.process {
  padding-top: 50px;
  padding-bottom: 56px;
}

.process-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.process-line::before {
  position: absolute;
  top: 32px;
  right: 8%;
  left: 8%;
  height: 2px;
  background: linear-gradient(90deg, rgba(8, 104, 232, 0), #b8ddff 10%, #36c7dc 50%, #b8ddff 90%, rgba(8, 104, 232, 0));
  content: "";
}

.process-line li {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  min-width: 0;
  padding: 0 8px;
  text-align: center;
}

.process-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  background: linear-gradient(180deg, #fff 0%, #f2f8ff 100%);
  border: 1px solid #d7e9fb;
  border-radius: 50%;
  box-shadow: 0 14px 30px rgba(8, 104, 232, 0.1);
}

.process-icon svg {
  width: 38px;
  height: 38px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.process-icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.process-line strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: 15px;
  font-weight: 640;
  line-height: 1;
}

.process-line h3 {
  margin: 4px 0 6px;
  color: var(--navy);
  font-size: 17px;
  font-weight: 640;
}

.process-line p {
  margin: 0;
  color: #65778c;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.62;
}

.technology {
  padding-top: 48px;
}

.tech-layout {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 34px;
  align-items: center;
}

.tech-stack-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 24px 0 0;
}

.tech-stack-board article {
  min-height: 56px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid #d8e6f6;
  border-radius: 8px;
}

.tech-stack-board strong {
  display: block;
  color: var(--blue);
  font-size: 13px;
  font-weight: 640;
}

.tech-stack-board p {
  margin: 5px 0 0;
  color: #607084;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.tech-visual {
  position: relative;
  min-height: 0;
  aspect-ratio: 1448 / 1086;
  overflow: hidden;
  border-radius: 8px;
}

.tech-visual img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.principles {
  padding-top: 48px;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.principle-grid article {
  min-height: 176px;
  padding: 26px 18px 22px;
  text-align: center;
}

.principle-icon-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin: 0 auto;
  mix-blend-mode: multiply;
}

.principle-grid h3 {
  margin-top: 14px;
  font-size: 16px;
}

.principle-grid p {
  font-size: 13px;
  line-height: 1.58;
}

.contact-ribbon {
  position: relative;
  display: grid;
  grid-template-columns: 280px 1fr 340px;
  gap: 24px;
  align-items: center;
  min-height: 158px;
  margin-top: 30px;
  padding: 22px 30px 22px 0;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, #001c43 0%, #00204a 46%, #001a3d 100%);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(0, 36, 82, 0.16);
}

.ribbon-visual {
  position: absolute;
  inset: 0 auto 0 0;
  width: 330px;
  overflow: hidden;
}

.ribbon-visual::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 28, 67, 0) 0%, rgba(0, 29, 68, 0.12) 58%, #001c43 100%);
  content: "";
}

.ribbon-visual img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 52% 54%;
  transform: scale(1.08);
}

.ribbon-copy {
  position: relative;
  z-index: 1;
  grid-column: 2;
}

.ribbon-copy p {
  margin: 0 0 8px;
  color: #bcd6f1;
  font-size: 13px;
  font-weight: 600;
}

.ribbon-copy h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 23px;
  line-height: 1.32;
}

.ribbon-copy span {
  color: #c5d7ea;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.7;
}

.email-box {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 0 22px;
  color: var(--navy);
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 18px 35px rgba(0, 17, 46, 0.16);
  font-size: 16px;
  font-weight: 640;
}

.email-box svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.site-footer {
  color: #fff;
  background: linear-gradient(135deg, var(--footer-dark), var(--footer));
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  max-width: 1320px;
  margin: 0 auto;
  padding: 34px 52px 30px;
}

.brand-inverse img {
  filter: brightness(0) invert(1);
}

.footer-brand p {
  max-width: 440px;
  margin: 14px 0 0;
  color: #bfd0e2;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.75;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 18px 52px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p,
.footer-bottom span {
  margin: 0;
  color: #c7d7e8;
  font-size: 12px;
  font-weight: 700;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-visual img {
    animation: floatVisual 8s ease-in-out infinite;
  }

  @keyframes floatVisual {
    0%,
    100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-10px);
    }
  }
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 168px 1fr 104px;
    padding: 0 28px;
  }

  .desktop-nav {
    gap: 28px;
  }

  .hero {
    grid-template-columns: 1fr 1fr;
    padding-left: 34px;
  }

  .hero-copy {
    max-width: min(560px, 58vw);
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-visual {
    right: 0;
    left: 0;
    width: auto;
    min-width: 0;
  }

  .section,
  .ai-band {
    padding-right: 30px;
    padding-left: 30px;
  }

  .ai-layout,
  .section-grid,
  .tech-layout {
    grid-template-columns: 1fr;
  }

  .ai-fields {
    grid-column: 1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ai-fields-label {
    grid-column: 1 / -1;
  }

  .principle-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-ribbon {
    grid-template-columns: 260px 1fr;
    padding-right: 30px;
  }

  .email-box {
    grid-column: 2;
  }

}

@media (max-width: 860px) {
  :root {
    --header-height: 64px;
  }

  .site-header {
    grid-template-columns: 150px 1fr;
    height: 64px;
    padding: 0 20px;
  }

  .brand,
  .brand img {
    width: 132px;
  }

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

  .menu-button {
    display: block;
  }

  .hero {
    display: block;
    min-height: 0;
    padding: 40px 20px 28px;
  }

  .hero-copy {
    display: flex;
    flex-direction: column;
    max-width: none;
    min-height: 258px;
  }

  .hero h1 {
    max-width: 360px;
    min-height: 76px;
    font-size: 30px;
    line-height: 1.25;
  }

  .hero-description {
    margin-top: 16px;
    min-height: 72px;
    font-size: 14px;
    line-height: 1.68;
  }

  .hero-visual {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    min-width: 0;
    height: 230px;
    margin: 16px 0 -8px;
  }

  .hero-controls {
    margin-top: auto;
    padding-top: 20px;
  }

  .hero-progress {
    width: 86px;
    margin-right: 10px;
  }

  .circle-button {
    width: 38px;
    height: 38px;
  }

  .section {
    padding: 40px 20px;
  }

  .section h2,
  .ai-band h2 {
    font-size: 25px;
    overflow-wrap: anywhere;
  }

  .mobile-only {
    display: inline;
  }

  .service-card p,
  .workflow-card p,
  .principle-grid p {
    overflow-wrap: anywhere;
  }

  .section-grid,
  .service-card-grid,
  .workflow,
  .process-line,
  .principle-grid,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .featured-service {
    min-height: 304px;
    padding: 28px 22px 26px;
  }

  .featured-service h3 {
    font-size: 23px;
  }

  .featured-service-visual {
    display: none;
  }

  .service-points {
    right: 24px;
    bottom: 24px;
    left: 24px;
  }

  .service-card,
  .principle-grid article {
    min-height: auto;
    padding: 24px 22px;
  }

  .ai-band {
    padding: 38px 20px 34px;
  }

  .ai-layout {
    gap: 22px;
  }

  .workflow-card {
    min-height: auto;
    text-align: left;
  }

  .workflow-arrow {
    display: none;
  }

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

  .ai-field-item {
    justify-content: flex-start;
    padding: 0 16px;
  }

  .process-line {
    gap: 12px;
    margin-top: 26px;
  }

  .process-line::before {
    display: none;
  }

  .process-line li {
    grid-template-columns: 72px 1fr;
    justify-items: start;
    align-items: center;
    min-height: 96px;
    padding: 14px 16px;
    text-align: left;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
  }

  .process-icon {
    grid-row: 1 / 4;
    width: 56px;
    height: 56px;
    margin: 0;
  }

  .process-icon svg {
    width: 28px;
    height: 28px;
  }

  .process-icon img {
    width: 36px;
    height: 36px;
  }

  .tech-layout {
    gap: 20px;
  }

  .tech-stack-board {
    grid-template-columns: 1fr;
  }

  .tech-visual {
    min-height: 260px;
  }

  .contact-ribbon {
    display: block;
    min-height: 0;
    padding: 28px 20px 22px;
  }

  .ribbon-visual {
    width: 100%;
    opacity: 0.23;
  }

  .ribbon-copy {
    position: relative;
    z-index: 1;
  }

  .ribbon-copy h2 {
    font-size: 22px;
  }

  .email-box {
    margin-top: 18px;
    min-height: 58px;
    padding: 0 18px;
    font-size: 15px;
  }

  .footer-main {
    gap: 24px;
    padding: 34px 20px;
  }

  .footer-bottom {
    display: grid;
    gap: 8px;
    padding: 20px 20px 26px;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    max-width: 330px;
    font-size: 28px;
  }

  .hero-description br {
    display: none;
  }

  .section h2,
  .ai-band h2 {
    font-size: 23px;
  }

  .hero-controls {
    gap: 7px;
  }

  .hero-progress {
    width: 58px;
    margin-left: 4px;
  }

  .circle-button {
    width: 34px;
    height: 34px;
  }

  .featured-service {
    min-height: 0;
    padding-bottom: 84px;
  }

  .email-box span {
    min-width: 0;
    overflow-wrap: anywhere;
  }
}