/* Fonts */
@font-face {
  font-family: 'NanumGothic';
  src: url('https://hangeul.naver.com/nanum.ttf') format('truetype');
  font-weight: 400; font-style: normal;
}
@font-face {
  font-family: 'NanumGothic';
  src: url('https://hangeul.naver.com/nanumlight.ttf') format('truetype');
  font-weight: 300; font-style: normal;
}
@font-face {
  font-family: 'NanumGothic';
  src: url('https://hangeul.naver.com/nanumbr.ttf') format('truetype');
  font-weight: 700; font-style: normal;
}
@font-face {
  font-family: 'NanumGothic';
  src: url('https://hangeul.naver.com/nanuneubae.ttf') format('truetype');
  font-weight: 800; font-style: normal;
}
@font-face {
  font-family: 'NanumMyeongjo';
  src: url('https://hangeul.naver.com/nanumming.ttf') format('truetype');
  font-weight: 400; font-style: normal;
}
@font-face {
  font-family: 'NanumMyeongjo';
  src: url('https://hangeul.naver.com/nanummingdo.ttf') format('truetype');
  font-weight: 700; font-style: normal;
}

/* Variables */
:root {
  --navy: #171e19;
  --sage: #b7c6c2;
  --white: #ffffff;
  --taupe: #9f8d8b;
  --beige: #d7c5b2;
  --cyan: #d5f4f9;
  --soft-blue: #bbe2f5;
  --charcoal: #302b2f;
  --light-gray: #fafafa;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'NanumGothic', sans-serif;
  font-weight: 400;
  background-color: var(--navy);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: crosshair;
}
h1, h2, h3, h4, h5, h6, .label, .nav-links {
  font-family: 'NanumGothic', sans-serif;
  font-weight: 800;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1440px; margin: 0 auto; padding: 0 5%; }

/* Typography Utilities */
.sage-text { color: var(--sage); }
.navy-text { color: var(--navy); }
.taupe-text { color: var(--taupe); }
.light-weight { font-weight: 300; }
.taupe-italic {
  font-family: 'NanumMyeongjo', serif;
  font-style: italic;
  color: var(--taupe);
  font-weight: 400;
}

/* Navigation */
.nav-container {
  position: fixed; top: 0; left: 0; width: 100%;
  padding: 20px 5%; z-index: 100;
  mix-blend-mode: difference; color: var(--white);
  pointer-events: none;
}
.nav-content {
  display: flex; justify-content: space-between; align-items: center;
  pointer-events: auto;
}
.logo { font-size: 2rem; font-weight: 800; letter-spacing: 0.1em; }
.nav-controls { display: flex; align-items: center; gap: 1rem; }
.lang-btn {
  background: none; border: none; color: var(--white);
  font-family: 'NanumGothic', sans-serif; font-weight: 800;
  font-size: 12px; letter-spacing: 0.1em; cursor: pointer; text-transform: uppercase;
}
.lang-btn span { opacity: 0.5; transition: opacity 0.3s var(--ease); }
.lang-btn span.active { opacity: 1; }
.contact-btn {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em;
  border: 1px solid var(--white); padding: 10px 16px; border-radius: 40px;
  transition: all 0.4s var(--ease);
}
.contact-btn:hover { background-color: var(--white); color: var(--navy); }

/* Hero Section */
.hero {
  min-height: 100vh; position: relative; display: flex;
  align-items: center; justify-content: center; overflow: hidden;
  padding: 120px 0 80px;
}
.orb {
  position: absolute; width: 384px; height: 384px;
  filter: blur(120px); opacity: 0.2; border-radius: 50%;
  animation: float 6s ease-in-out infinite; z-index: 0;
}
.orb-1 { background-color: var(--sage); top: 20%; left: 10%; }
.orb-2 { background-color: var(--soft-blue); bottom: 10%; right: 15%; animation-delay: -3s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
.hero-content {
  position: relative; z-index: 10; width: 100%; padding: 0 5%;
  display: flex; flex-direction: column; gap: 2rem;
}
.hero-badge {
  font-size: 14px; font-weight: 800; letter-spacing: 0.05em;
  color: var(--sage); text-transform: uppercase;
}
.hero-title {
  font-size: clamp(3rem, 18vw, 16rem); line-height: 0.85;
  letter-spacing: -0.02em;
}
.title-line-2 { -webkit-text-stroke: 1px var(--sage); color: transparent; }
.hero-bottom {
  display: flex; flex-direction: column; align-items: flex-start;
  margin-top: 4rem; gap: 2rem;
}
.hero-subtitle {
  color: var(--taupe); max-width: 320px; font-size: 1.1rem; font-weight: 300;
}
.hero-actions {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2rem;
}
.btn-primary {
  display: inline-block; padding: 16px 32px; background-color: var(--sage);
  color: var(--navy); font-weight: 800; border-radius: 40px;
  transition: transform 0.4s var(--ease);
}
.btn-primary:hover { transform: scale(1.05); }
.btn-secondary {
  display: inline-block; padding: 16px 32px; background-color: transparent;
  color: var(--sage); font-weight: 800; border-radius: 40px;
  border: 1px solid var(--sage); transition: all 0.4s var(--ease);
}
.btn-secondary:hover { background-color: var(--sage); color: var(--navy); }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.scroll-indicator {
  width: 64px; height: 64px; border: 1px solid var(--sage);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--sage);
}
.arrow-down { animation: bounce 2s infinite; }
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(10px); }
  60% { transform: translateY(5px); }
}

/* About Section */
.section-dark { background-color: var(--navy); padding: 120px 0; }
.about-header { margin-bottom: 80px; }
.section-title { font-size: clamp(2rem, 5vw, 4rem); margin-bottom: 1.5rem; }
.section-desc { font-size: clamp(1.2rem, 2vw, 1.5rem); max-width: 600px; font-weight: 300; }
.stats-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.stat-card {
  border: 1px solid var(--sage); padding: 3rem 2rem; text-align: center;
  border-radius: 8px; transition: all 0.5s var(--ease);
}
.stat-card:hover { background-color: rgba(183, 198, 194, 0.05); transform: translateY(-10px); border-color: var(--white); }
.stat-card h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); color: var(--sage); margin-bottom: 1rem; }
.stat-card p { font-weight: 300; letter-spacing: 0.05em; color: var(--taupe); }

/* Services Section */
.section-light { background-color: var(--white); color: var(--navy); padding: 160px 0; }
.services-header { margin-bottom: 100px; }
.massive-title { font-size: clamp(3rem, 8vw, 7rem); line-height: 1; margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.services-masonry { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: start; }
.service-card {
  position: relative; background-color: var(--light-gray);
  border: 1px solid rgba(23, 30, 25, 0.1); padding: 4rem 3rem;
  border-radius: 12px; overflow: hidden; transition: transform 0.5s var(--ease);
  cursor: pointer; display: flex; flex-direction: column; justify-content: center;
}
.offset-card { margin-top: 0; }
.service-icon { font-family: 'NanumMyeongjo', serif; font-size: 3rem; color: var(--sage); margin-bottom: 2rem; }
.service-card h3 { font-size: 2rem; margin-bottom: 1rem; }
.service-card p { font-weight: 300; color: var(--charcoal); }
.service-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-color: var(--navy); display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.5s var(--ease);
}
.view-badge {
  width: 96px; height: 96px; background-color: var(--white); color: var(--navy);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px; letter-spacing: 0.1em;
  transform: scale(0.5); transition: transform 0.5s var(--ease);
}
.service-card:hover { transform: scale(1.1); z-index: 10; }
.service-card:hover .service-overlay { opacity: 1; }
.service-card:hover .view-badge { transform: scale(1); }

/* Featured Asymmetric Section */
.featured-grid { display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center; }
.featured-left { position: relative; height: 400px; }
.cyan-square {
  position: absolute; top: -24px; left: -24px; width: 80%; height: 80%;
  background-color: var(--cyan); opacity: 0.2; border-radius: 24px;
}
.decorative-image {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(45deg, var(--charcoal), var(--navy));
  border: 1px solid var(--sage); border-radius: 24px; overflow: hidden;
}
.decorative-image::after {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-image: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 20px 20px;
}
.sage-label {
  color: var(--sage); font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.1em; display: block; margin-bottom: 2rem;
}
.heading-7xl { font-size: clamp(3rem, 6vw, 5rem); line-height: 1.1; margin-bottom: 2rem; }
.featured-right p { font-size: 1.2rem; margin-bottom: 3rem; }
.arrow-link {
  display: inline-flex; align-items: center; gap: 1rem; color: var(--sage);
  font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em;
  border-bottom: 1px solid var(--sage); padding-bottom: 0.5rem;
}
.arrow-link .arrow { transition: transform 0.3s var(--ease); }
.arrow-link:hover .arrow { transform: translateX(8px); }

/* Process Section */
.section-gray { background-color: var(--light-gray); color: var(--navy); padding: 160px 0; }
.process-grid { display: grid; grid-template-columns: 1fr; gap: 4rem; }
.process-label {
  color: var(--taupe); font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.1em; display: block; margin-bottom: 4rem;
}
.process-list { display: flex; flex-direction: column; gap: 3rem; }
.process-item { display: flex; gap: 2rem; position: relative; padding-left: 60px; }
.process-item::before {
  display: block; content: ''; position: absolute; left: 0; top: 12px;
  width: 40px; height: 1px; background-color: var(--taupe); transition: width 0.4s var(--ease);
}
.process-item:hover::before { width: 64px; }
.step-num { color: var(--sage); font-family: 'NanumMyeongjo', serif; font-size: 1.5rem; font-weight: 700; }
.step-content h4 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.step-content p { color: var(--charcoal); font-weight: 300; }
.heading-6xl { font-size: clamp(3rem, 5vw, 4.5rem); line-height: 1.2; position: static; margin-top: 3rem; }

/* CTA Section */
.section-charcoal {
  background-color: var(--charcoal); padding: 160px 0; position: relative;
  text-align: center; overflow: hidden;
}
.decorative-quote {
  position: absolute; top: -50px; left: 50%; transform: translateX(-50%);
  font-family: 'NanumMyeongjo', serif; font-size: 400px; color: var(--navy);
  opacity: 0.3; line-height: 1; pointer-events: none;
}
.cta-content {
  position: relative; z-index: 10; display: flex; flex-direction: column;
  align-items: center; gap: 2rem; padding-bottom: 60px;
}
.massive-cta { font-size: clamp(3rem, 8vw, 6rem); line-height: 1.1; }
.cta-desc { font-size: 1.2rem; color: var(--sage); max-width: 600px; font-weight: 300; margin-bottom: 2rem; }
.btn-expert {
  background-color: transparent; border: 1px solid var(--sage); color: var(--sage);
  padding: 16px 40px; border-radius: 40px; font-family: 'NanumGothic', sans-serif;
  font-weight: 800; font-size: 1rem; cursor: pointer; transition: all 0.4s var(--ease);
  margin-bottom: 2rem;
}
.btn-expert:hover { background-color: var(--sage); color: var(--charcoal); }
.email-link {
  font-size: clamp(1.5rem, 4vw, 3rem); color: var(--sage); font-weight: 800;
  text-decoration: underline; text-underline-offset: 8px; transition: color 0.3s var(--ease); cursor: pointer;
}
.email-link:hover { color: var(--white); }
.copy-feedback {
  margin-top: 1rem; background-color: var(--sage); color: var(--navy);
  padding: 8px 16px; border-radius: 20px; font-size: 14px; font-weight: 800;
  opacity: 0; transform: translateY(10px); transition: all 0.3s var(--ease);
  pointer-events: none;
}
.copy-feedback.show { opacity: 1; transform: translateY(0); }

/* Footer */
.footer { background-color: var(--navy); padding: 100px 0 40px; }
.footer-top { display: flex; flex-direction: column; align-items: flex-start; gap: 2rem; margin-bottom: 100px; }
.footer-heading { font-size: clamp(3rem, 10vw, 8rem); line-height: 1; letter-spacing: -0.02em; }
.footer-email {
  font-size: clamp(1.5rem, 4vw, 3rem); color: var(--sage); font-weight: 800;
  text-decoration: underline; text-underline-offset: 8px;
}
.footer-bottom {
  display: flex; flex-direction: column; gap: 2rem; text-align: center;
  padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--taupe);
}
.footer-logo { font-weight: 800; font-size: 1.5rem; color: var(--white); }
.legal-links { display: flex; gap: 2rem; justify-content: center; }
.legal-links a:hover { color: var(--white); }

/* Animations */
.reveal { transform: translateY(40px); opacity: 0; transition: all 1s var(--ease); }
.reveal.active { transform: translateY(0); opacity: 1; }

/* Media Queries (Mobile First) */
@media (min-width: 768px) {
  .nav-container { padding: 32px 5%; }
  .nav-controls { gap: 2rem; }
  .contact-btn { padding: 12px 24px; }
  .hero-bottom { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .hero-actions { flex-direction: row; align-items: center; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .services-masonry { grid-template-columns: repeat(2, 1fr); }
  .offset-card { margin-top: 4rem; }
  .featured-grid { grid-template-columns: 1fr 1fr; }
  .featured-left { height: 600px; }
  .cyan-square { top: -48px; left: -48px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .heading-6xl { position: sticky; top: 160px; margin-top: 0; }
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (min-width: 1024px) {
  .process-grid { grid-template-columns: 5fr 7fr; }
}