:root {
  --accent: #e29801;
  --accent-soft: #fdaf11;
  --cream: #fff6e5;
  --light: #f9f9f9;
  --line: #efe4cf;
  --text-main: #302929;
  --text-body: #7c7361;
  --dark: #38332a;
  --footer-top: #555555;
  --footer-body: #6f6f6f;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(80, 58, 20, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Spoqa Han Sans Neo", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--text-body);
  background: var(--white);
  word-break: keep-all;
}

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

button {
  font: inherit;
}

.wrap {
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  border-bottom: 1px solid #efe7d7;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.desktop-bar {
  position: sticky;
  top: 0;
  z-index: 50;
}

.mobile-bar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 60;
}

.logo-text {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f4bf3e 0%, #e29801 100%);
  color: var(--white);
  font-family: "Noto Serif KR", serif;
  font-size: 18px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--text-main);
}

.nav-link.on {
  color: var(--accent);
}

.nav-cta,
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  background: var(--white);
  color: var(--accent);
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.nav-cta:hover,
.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(226, 152, 1, 0.18);
}

.slice {
  position: relative;
  padding: 104px 0;
}

.tech-hero {
  padding: 110px 0 120px;
  background:
    radial-gradient(circle at top right, rgba(226, 152, 1, 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(253, 175, 17, 0.12), transparent 24%),
    linear-gradient(180deg, #fffaf0 0%, #ffffff 100%);
  overflow: hidden;
}

.tech-hero::before,
.tech-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.tech-hero::before {
  top: 50px;
  right: -120px;
  width: 320px;
  height: 320px;
  background: rgba(255, 246, 229, 0.85);
}

.tech-hero::after {
  left: -100px;
  bottom: -120px;
  width: 260px;
  height: 260px;
  background: rgba(253, 175, 17, 0.08);
}

.hero-copy {
  max-width: 860px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 20px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(226, 152, 1, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0 0 24px;
  color: var(--text-main);
  font-size: 56px;
  line-height: 1.26;
  font-weight: 500;
}

.hero-copy p {
  max-width: 760px;
  margin: 0;
  font-size: 20px;
  line-height: 1.8;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.highlight-card {
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.highlight-card strong {
  display: block;
  margin-bottom: 12px;
  color: var(--text-main);
  font-size: 22px;
  font-weight: 500;
}

.highlight-card p {
  margin: 0;
  line-height: 1.7;
}

.tech-overview {
  background: var(--cream);
}

.section-title {
  margin-bottom: 48px;
}

.title {
  position: relative;
  margin: 0;
  padding-left: 68px;
  color: var(--text-main);
  font-size: 40px;
  line-height: 1.35;
  font-weight: 500;
}

.title::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 10px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(253, 175, 17, 0.18);
}

.title::after {
  content: "";
  position: absolute;
  left: 96px;
  right: 0;
  top: 25px;
  height: 2px;
  background: var(--accent-soft);
}

.title span {
  position: relative;
  z-index: 1;
  display: inline-block;
  padding-right: 20px;
  background: var(--white);
}

.title.yellow span {
  background: var(--cream);
}

.title.grey span {
  background: var(--light);
}

.section-title p {
  max-width: 820px;
  margin: 18px 0 0 68px;
  font-size: 18px;
  line-height: 1.8;
}

.overview-grid,
.proof-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
}

.lead-copy {
  margin-top: 0;
  margin-bottom: 24px;
  color: var(--text-main);
  font-size: 26px;
  line-height: 1.6;
  font-weight: 500;
}

.overview-copy p {
  line-height: 1.85;
}

.overview-copy p:last-child {
  margin-bottom: 0;
}

.principle-list {
  display: grid;
  gap: 16px;
}

.principle-item,
.proof-panel,
.core-card,
.flow-step {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.principle-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 16px;
  padding: 24px;
}

.principle-item span {
  color: var(--accent);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}

.principle-item strong,
.proof-panel h4,
.project-body h4,
.cta-panel h3,
.flow-step strong {
  color: var(--text-main);
}

.principle-item p,
.core-card p,
.flow-step p,
.proof-panel p,
.project-body p {
  margin-bottom: 0;
  line-height: 1.75;
}

.tech-core {
  background: var(--white);
}

.core-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.core-card {
  position: relative;
  padding: 32px;
  overflow: hidden;
}

.core-card::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, #f8cf72 0%, #e29801 100%);
}

.core-index {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(226, 152, 1, 0.1);
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
}

.core-card h4 {
  margin: 18px 0 14px;
  font-size: 28px;
  line-height: 1.45;
  font-weight: 500;
}

.evidence-list,
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.evidence-list span,
.chip-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(226, 152, 1, 0.09);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.tech-flow {
  background: var(--light);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.flow-step {
  padding: 26px 24px;
}

.flow-step strong {
  display: block;
  margin-bottom: 14px;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 500;
}

.tech-proof {
  background: var(--white);
}

.proof-panel {
  padding: 32px;
}

.proof-panel h4 {
  margin: 0 0 14px;
  font-size: 30px;
  line-height: 1.35;
  font-weight: 500;
}

.proof-list {
  margin: 24px 0 0;
  padding-left: 0;
  list-style: none;
}

.proof-list li {
  position: relative;
  margin-bottom: 18px;
  padding-left: 26px;
  line-height: 1.7;
}

.proof-list li:last-child {
  margin-bottom: 0;
}

.proof-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-soft);
}

.tech-projects {
  background: var(--cream);
}

.project-list {
  display: grid;
  gap: 16px;
}

.project-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  align-items: start;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
}

.project-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--white);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  border: 1px solid rgba(226, 152, 1, 0.24);
}

.project-body h4 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.4;
  font-weight: 500;
}

.tech-cta {
  padding-top: 88px;
  padding-bottom: 88px;
  background: linear-gradient(135deg, #3d3325 0%, #6f5b35 100%);
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-panel .eyebrow {
  background: rgba(255, 255, 255, 0.12);
  color: #ffe2a0;
}

.cta-panel h3 {
  margin: 0;
  color: var(--white);
  font-size: 40px;
  line-height: 1.5;
  font-weight: 500;
}

.cta-button {
  min-width: 220px;
  background: var(--white);
}

.footer-link {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px 42px;
  padding: 18px 24px;
  background: var(--footer-top);
}

.footer-link a {
  color: var(--white);
  font-weight: 500;
}

.footer-body {
  background: var(--footer-body);
}

.footer-body .container {
  padding-top: 36px;
  padding-bottom: 36px;
}

.footer-body p {
  margin: 0 0 10px;
  color: #dedede;
  line-height: 1.7;
}

.footer-note {
  padding-top: 8px;
  font-size: 14px;
}

.nav.mobile {
  display: none;
}

.menu-btn,
.close-btn,
.dim {
  border: 0;
  background: transparent;
}

.menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

.menu-btn span,
.close-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
}

.close-btn {
  position: absolute;
  top: 18px;
  left: 16px;
  z-index: 12;
  display: none;
  width: 32px;
  height: 32px;
  padding: 0;
}

.close-btn span:first-child {
  transform: translateY(1px) rotate(45deg);
}

.close-btn span:last-child {
  transform: translateY(-1px) rotate(-45deg);
}

.menu {
  position: fixed;
  top: 0;
  left: -82%;
  z-index: 11;
  width: min(320px, 82%);
  height: 100vh;
  padding: 86px 24px 30px;
  background: var(--white);
  transition: left 0.25s ease;
}

.menu-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-list li {
  border-bottom: 1px solid #ece3d1;
}

.menu-list a {
  display: block;
  padding: 18px 0;
  color: var(--text-main);
  font-size: 18px;
  font-weight: 500;
}

.menu-list a.active {
  color: var(--accent);
}

.menu-contact {
  margin-top: 24px;
}

.menu-contact a {
  color: var(--accent);
  font-weight: 700;
}

.dim {
  position: fixed;
  inset: 0;
  z-index: 10;
  visibility: hidden;
  opacity: 0;
  background: rgba(0, 0, 0, 0.56);
  transition: opacity 0.25s ease;
}

.nav.mobile.on .menu {
  left: 0;
}

.nav.mobile.on .dim {
  visibility: visible;
  opacity: 1;
}

.nav.mobile.on .close-btn {
  display: block;
}

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

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-copy h1 {
    font-size: 48px;
  }

  .hero-highlights,
  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .overview-grid,
  .proof-grid,
  .core-grid {
    grid-template-columns: 1fr;
  }

  .project-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

@media (max-width: 991px) {
  .desktop-bar {
    display: none;
  }

  .mobile-bar {
    display: block;
  }

  .nav.mobile {
    display: block;
  }

  .slice {
    padding: 80px 0;
  }

  .tech-hero {
    padding-top: 72px;
    padding-bottom: 88px;
  }

  .hero-copy h1 {
    font-size: 40px;
  }

  .hero-copy p,
  .lead-copy {
    font-size: 18px;
  }

  .title {
    font-size: 34px;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-panel h3 {
    font-size: 32px;
  }
}

@media (max-width: 768px) {
  .container,
  .navbar {
    padding-left: 18px;
    padding-right: 18px;
  }

  .title {
    padding-left: 52px;
    font-size: 30px;
  }

  .title::before {
    width: 22px;
    height: 22px;
    left: 10px;
    top: 10px;
  }

  .title::after {
    left: 74px;
    top: 18px;
  }

  .title span,
  .title.yellow span,
  .title.grey span {
    padding-right: 12px;
  }

  .section-title p {
    margin-left: 52px;
    font-size: 16px;
  }

  .hero-copy h1,
  .cta-panel h3 {
    font-size: 32px;
  }

  .hero-highlights,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .principle-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .core-card,
  .proof-panel,
  .project-row {
    padding: 24px;
  }

  .project-body h4,
  .core-card h4,
  .proof-panel h4 {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .hero-copy h1,
  .cta-panel h3 {
    font-size: 28px;
  }

  .hero-copy p {
    font-size: 17px;
  }

  .highlight-card strong {
    font-size: 20px;
  }

  .nav-cta,
  .cta-button {
    width: 100%;
  }
}