/* 그래피언스 소개 페이지 (desktop/mobile 공통) */

.about-crumb { padding: 20px 0 0; }

.about-eyebrow {
  font-size: 13px; font-weight: 800; letter-spacing: 2px;
  color: var(--ink-3); margin: 0;
}
.about-kicker {
  font-size: 20px; font-weight: 800; letter-spacing: .3px;
  color: var(--navy); margin: 6px 0 12px; text-transform: uppercase;
}

/* ---------- 01 히어로 ---------- */
.about-hero {
  position: relative; overflow: hidden; margin-top: 20px;
  padding: 48px 36px; border-radius: var(--r-lg);
  background: linear-gradient(135deg, #051428 0%, #0c2c50 55%, var(--navy-d) 100%);
}
.about-hero .about-eyebrow { color: rgba(255,255,255,.5); }
.about-hero .about-kicker { color: rgba(255,255,255,.85); }
.about-hero-title {
  position: relative; z-index: 1;
  font-size: 34px; line-height: 1.3; color: #fff; margin: 4px 0 16px;
}
.about-hero-title strong {
  display: block; color: var(--navy); font-size: 1.2em; margin-top: 6px;
}
.about-hero-desc {
  position: relative; z-index: 1;
  max-width: 520px; color: rgba(255,255,255,.75); font-size: 15px; line-height: 1.7;
}
.about-hex {
  position: absolute; color: rgba(255,255,255,.10); pointer-events: none;
}
.about-hex--a { font-size: 220px; right: -40px; top: -60px; transform: rotate(12deg); }
.about-hex--b { font-size: 100px; right: 140px; bottom: -30px; color: rgba(255,255,255,.08); }
.about-hex--c { font-size: 46px; right: 60px; top: 40%; color: rgba(0,182,240,.35); }

/* ---------- 공통 섹션 ---------- */
.about-section { padding: 40px 0; border-top: 1px solid var(--line); }
.about-section h2 { font-size: 22px; }

/* ---------- 02 WHY GRAPHENE ---------- */
.about-feat-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px; margin-top: 20px;
}
@media (min-width: 640px) {
  .about-feat-grid { grid-template-columns: repeat(3, 1fr); }
}
.about-feat-card {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 26px 14px; text-align: center;
  background: var(--surface); border-radius: var(--r-lg);
  transition: transform .15s ease, box-shadow .15s ease;
}
.about-feat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.about-feat-card .about-feat-icon { height: 46px; width: auto; object-fit: contain; }
.about-feat-card span { font-size: 14px; font-weight: 700; color: var(--ink); }

/* ---------- 03 그래핀 기술 (공정 체인 + 기능 리스트) ---------- */
.about-tech-wrap {
  display: grid; grid-template-columns: minmax(200px, 320px) 1fr;
  gap: 40px; align-items: center; margin-top: 24px;
}
.about-chain { list-style: none; margin: 0; padding: 0; }
.about-chain li {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px; background: var(--surface); border-radius: var(--r-md);
  font-size: 15px; font-weight: 700; color: var(--ink);
}
.about-chain li img { height: 32px; width: auto; object-fit: contain; flex-shrink: 0; }
.about-chain-arrow {
  flex-direction: column; justify-content: center; padding: 0 !important; background: none !important;
  color: var(--line-strong); height: 22px;
}
.about-chain-arrow::before { content: ''; width: 2px; height: 10px; background: var(--line-strong); }
.about-chain-arrow i { font-size: 15px; line-height: 1; color: var(--line-strong) !important; margin-top: -2px; }

.about-tech-feats { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
.about-tech-feats li { display: flex; align-items: flex-start; gap: 14px; }
.about-tech-feats li img { flex: 0 0 auto; width: 38px; height: 38px; object-fit: contain; margin-top: 2px; }
.about-tech-feats li strong { display: block; font-size: 15px; margin-bottom: 4px; }
.about-tech-feats li p { margin: 0; font-size: 13px; color: var(--ink-2); line-height: 1.6; }

/* ---------- 04 GRAPHENETEX TECHNOLOGY ---------- */
.about-cat-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px; margin-top: 20px;
}
@media (min-width: 640px) {
  .about-cat-grid { grid-template-columns: repeat(3, 1fr); }
}
.about-cat-card {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 24px 12px; text-align: center;
  background: var(--surface); border-radius: var(--r-lg);
  transition: transform .15s ease, box-shadow .15s ease;
}
.about-cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.about-cat-card .about-cat-photo {
  display: block; width: 100%; max-width: 130px; aspect-ratio: 0.875 / 1;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.about-cat-card .about-cat-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-cat-card span { font-size: 13px; font-weight: 700; color: var(--ink); }

/* ---------- 05 INNOVATION FOR BETTER LIFE ---------- */
.about-innovation {
  position: relative; overflow: hidden; text-align: center;
  margin: 8px 0 40px; padding: 52px 32px; border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--navy-d), var(--navy));
}
.about-innovation .about-eyebrow { color: rgba(255,255,255,.55); }
.about-innovation .about-kicker { color: #fff; }
.about-innovation p {
  position: relative; z-index: 1;
  max-width: 620px; margin: 8px auto 0; color: rgba(255,255,255,.85);
  font-size: 15px; line-height: 1.8;
}
.about-inno-closing { font-size: 18px !important; font-weight: 800; color: #fff !important; margin-top: 18px !important; }
.about-hex--d { font-size: 260px; left: -60px; bottom: -80px; color: rgba(255,255,255,.10); }

/* ---------- CTA ---------- */
.about-cta { text-align: center; padding-bottom: 60px; }
.about-cta p { color: var(--ink-2); }
.about-cta-btn {
  display: inline-block; margin-top: 14px; padding: 12px 28px;
  background: var(--navy); color: #fff; border-radius: var(--r-pill); font-weight: 700;
}

/* ---------- 반응형 ---------- */
@media (max-width: 760px) {
  .about-tech-wrap { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .about-hero { padding: 36px 22px; }
  .about-hero-title { font-size: 26px; }
  .about-innovation { padding: 40px 22px; }
  .about-innovation p { font-size: 14px; }
  .about-inno-closing { font-size: 16px !important; }
  .about-hex--a { font-size: 140px; }
  .about-hex--b { display: none; }
  .about-hex--d { font-size: 180px; }
}