/* === Reset === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0;
}

:root {
  --black: #000;
  --text: #222;
  --white: #fff;
  --gray-light: #f5f5f5;
  --gray-mid: #a4a4a4;
  --gray-border: #e0e0e0;
  --font: -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  --section-pad: 80px 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
  word-break: break-word;
  overflow-x: hidden;
}

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

a:hover { text-decoration: none; }

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

/* === Container === */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--black);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--black);
  text-transform: uppercase;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.5px;
  transition: color 200ms;
}

.nav-links a:hover {
  color: var(--gray-mid);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 40px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font);
  letter-spacing: 1px;
  border-radius: 1px;
  cursor: pointer;
  transition: all 200ms;
  background: transparent;
}

.btn-primary {
  border: 2px solid var(--black);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--black);
  color: var(--white);
}

.btn-ghost {
  border: 2px solid var(--black);
  color: var(--black);
}

.btn-ghost:hover {
  background: var(--black);
  color: var(--white);
}

/* === Section Shared === */
.section {
  padding: var(--section-pad);
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gray-mid);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 40px;
  color: var(--black);
}

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--white);
  border-bottom: 1px solid var(--black);
  padding-top: 56px;
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 80px 24px;
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gray-mid);
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(52px, 8vw, 100px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -2px;
  color: var(--black);
  margin-bottom: 32px;
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
}

.hero-sub {
  font-size: 17px;
  color: var(--gray-mid);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 48px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Hero Decor — simplified */
.hero-decor {
  display: none;
}

/* === About === */
.about {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.9;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--black);
  border: 1px solid var(--black);
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  background: var(--white);
}

.stat-num {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--black);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--gray-mid);
  text-transform: uppercase;
}

/* === Vision === */
.vision {
  background: var(--black);
}

.vision .section-label {
  color: #666;
}

.vision .section-title {
  color: var(--white);
}

.vision-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #333;
  border: 1px solid #333;
}

.card {
  background: var(--black);
  padding: 40px 32px;
  border-bottom: 2px solid transparent;
  transition: border-color 200ms;
}

.card:hover {
  border-color: var(--white);
}

.card-icon {
  font-size: 20px;
  color: var(--white);
  margin-bottom: 24px;
  opacity: 0.5;
}

.card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.card p {
  font-size: 14px;
  color: #888;
  line-height: 1.8;
}

/* === Content Section === */
.content-section {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
}

.topics {
  display: flex;
  flex-direction: column;
}

.topic {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--gray-border);
  transition: background 200ms;
}

.topic:first-child {
  border-top: 1px solid var(--gray-border);
}

.topic-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-mid);
  letter-spacing: 2px;
  min-width: 28px;
  padding-top: 5px;
}

.topic h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.2px;
}

.topic p {
  font-size: 13px;
  color: var(--gray-mid);
}

/* === Team === */
.team {
  background: var(--gray-light);
  border-bottom: 1px solid var(--gray-border);
}

.team .section-title {
  color: var(--black);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-border);
  border: 1px solid var(--gray-border);
}

.member {
  background: var(--white);
  padding: 32px 24px;
  text-align: left;
}

.member-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.member-name {
  color: var(--black);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.2px;
}

.member-role {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--gray-mid);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.member-bio {
  font-size: 13px;
  color: var(--gray-mid);
  line-height: 1.7;
}

/* === Contact === */
.contact {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
}

.contact-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.contact-desc {
  font-size: 15px;
  color: var(--gray-mid);
  margin-bottom: 36px;
  line-height: 1.8;
}

.subscribe-form {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border: 2px solid var(--black);
}

.email-input {
  flex: 1;
  padding: 14px 20px;
  font-size: 14px;
  font-family: var(--font);
  background: var(--white);
  color: var(--text);
  outline: none;
  border: none;
}

.email-input::placeholder {
  color: var(--gray-mid);
}

.subscribe-form .btn {
  border: none;
  border-left: 2px solid var(--black);
  border-radius: 0;
  padding: 14px 28px;
  font-size: 12px;
  background: var(--black);
  color: var(--white);
}

.subscribe-form .btn:hover {
  background: #333;
}

.contact-links {
  font-size: 13px;
  color: var(--gray-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.contact-links a:hover {
  color: var(--black);
}

.sep {
  color: var(--gray-border);
}

/* === Footer === */
.footer {
  background: var(--black);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--white);
  text-transform: uppercase;
}

.footer-copy {
  font-size: 12px;
  color: #555;
  letter-spacing: 0.3px;
}

/* === Responsive === */
@media (max-width: 1023px) {
  .btn { padding: 12px 37px; font-size: 14px; }
}

@media (max-width: 767px) {
  :root { --section-pad: 60px 0; }

  .nav-links { display: none; }

  .hero-title { letter-spacing: -1px; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }

  .vision-cards { grid-template-columns: 1fr; }

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

  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }

  .subscribe-form { flex-direction: column; border: none; gap: 8px; }

  .subscribe-form .btn {
    border: 2px solid var(--black);
    border-left: 2px solid var(--black);
    width: 100%;
  }

  .email-input {
    border: 2px solid var(--black);
    width: 100%;
  }

  .btn { width: 100%; }
}

@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: auto; }
}