/* ============================================
   SERVICES PAGE
   ============================================ */

.services-page main {
  padding-top: 100px;
}

/* ---------- HERO ---------- */
.sv-hero {
  padding: 80px 40px 60px;
  border-bottom: 1px solid var(--black);
}
.sv-hero-label {
  font-family: 'Switzer', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  opacity: 0.45;
  margin-bottom: 24px;
}
.sv-hero-title {
  font-family: 'Switzer', sans-serif;
  font-weight: 600;
  font-size: clamp(36px, 6.5vw, 100px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 32px;
}
.sv-line {
  display: block;
  overflow: hidden;
}
.sv-word {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  animation: svWordUp 0.7s var(--transition) 0.2s forwards;
}
@keyframes svWordUp {
  to { transform: translateY(0); opacity: 1; }
}
.sv-hero-sub {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: clamp(14px, 1.4vw, 18px);
  font-weight: 400;
  line-height: 1.8;
  opacity: 0.65;
  max-width: 600px;
}

/* ---------- SERVICES ACCORDION ---------- */
.sv-list {
  border-bottom: 1px solid var(--black);
}
#sv-01 { border-top: none; }
#sv-01.reveal { transition-delay: 0s; }
#sv-02.reveal { transition-delay: 0.08s; }
#sv-03.reveal { transition-delay: 0.16s; }
#sv-04.reveal { transition-delay: 0.24s; }
#sv-05.reveal { transition-delay: 0.32s; }

.sv-item {
  border-top: 1px solid var(--black);
}

.sv-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 36px 40px;
  background: none;
  border: none;
  color: var(--black);
  text-align: left;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transition: color 0.45s var(--transition), gap 0.4s var(--transition);
}
.sv-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--black);
  clip-path: inset(0 0 100% 0);
  z-index: -1;
}
.sv-item.open .sv-header,
.sv-header:hover {
  color: var(--white);
}
.sv-item.open .sv-header::before,
.sv-header:hover::before {
  clip-path: inset(0 0 0% 0);
  transition: clip-path 0.55s var(--transition);
}

.sv-num {
  font-family: 'Switzer', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  opacity: 0.5;
  flex-shrink: 0;
  width: 28px;
}
.sv-item.open .sv-num,
.sv-header:hover .sv-num {
  opacity: 0.6;
}

.sv-title-wrap {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}
.sv-title-en {
  font-family: 'Switzer', sans-serif;
  font-weight: 600;
  font-size: clamp(14px, 2vw, 28px);
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: uppercase;
}
.sv-title-ko {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: clamp(13px, 1.2vw, 16px);
  font-weight: 400;
  opacity: 0.6;
  letter-spacing: 0;
}

.sv-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s var(--transition);
}
.sv-icon svg {
  width: 24px;
  height: 24px;
}
.sv-item.open .sv-icon {
  transform: rotate(45deg);
}

/* ---------- ACCORDION BODY ---------- */
.sv-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.55s var(--transition);
  background: var(--gray-100);
}
.sv-item.open .sv-body {
  max-height: 800px;
}
.sv-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  padding: 48px 40px 52px 100px;
}
.sv-col {
  padding-right: 40px;
  padding-bottom: 20px;
}
.sv-col-title {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--black);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0,0,0,0.15);
}
.sv-list-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sv-list-items li {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: clamp(12px, 1.1vw, 14px);
  line-height: 1.6;
  color: var(--black);
  opacity: 0.7;
  padding-left: 14px;
  position: relative;
}
.sv-list-items li::before {
  content: "—";
  position: absolute;
  left: 0;
  opacity: 0.4;
  font-size: 10px;
  top: 2px;
}

/* ---------- MEMBERS ---------- */
.sv-members {
  padding: 80px 40px 80px;
  border-bottom: 1px solid var(--black);
}
.sv-section-label {
  font-family: 'Switzer', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  opacity: 0.45;
  margin-bottom: 20px;
}
.sv-members-title {
  font-family: 'Switzer', sans-serif;
  font-weight: 600;
  font-size: clamp(30px, 4.5vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.sv-members-desc {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: clamp(13px, 1.2vw, 16px);
  line-height: 1.9;
  opacity: 0.65;
  max-width: 680px;
  margin-bottom: 64px;
}
.sv-members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--black);
}
.sv-member {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 32px 28px 24px;
  border-right: 1px solid rgba(0,0,0,0.15);
  border-bottom: 1px solid rgba(0,0,0,0.15);
}
.sv-member:nth-child(3n) {
  border-right: none;
}
.sv-member-en {
  font-family: 'Switzer', sans-serif;
  font-size: clamp(12px, 1.1vw, 14px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--black);
  line-height: 1.3;
}
.sv-member-ko {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: 12px;
  font-weight: 400;
  opacity: 0.5;
}

/* ---------- PARTNERS ---------- */
.sv-partners {
  padding: 80px 40px 100px;
}
.sv-partners-header {
  margin-bottom: 56px;
}
.sv-partners-title {
  font-family: 'Switzer', sans-serif;
  font-weight: 600;
  font-size: clamp(30px, 4.5vw, 72px);
  letter-spacing: -0.04em;
  text-transform: uppercase;
  margin-top: 20px;
}
.sv-partners-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--black);
}
.sv-partner-card {
  background: var(--white);
  padding: 44px 40px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sv-partner-name {
  font-family: 'Switzer', sans-serif;
  font-weight: 600;
  font-size: clamp(18px, 2vw, 28px);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--black);
}
.sv-partner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sv-partner-tags span {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--black);
  background: var(--gray-100);
  padding: 5px 12px;
  border-radius: 2px;
}
.sv-partner-desc {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-size: clamp(12px, 1.1vw, 14px);
  line-height: 1.8;
  opacity: 0.6;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(0,0,0,0.12);
}

/* nav active state */
.nav-active {
  opacity: 1 !important;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

/* ---------- MOBILE ---------- */
@media (max-width: 900px) {
  .services-page main { padding-top: 65px; }
  .sv-hero { padding: 24px 20px 40px; }
  .sv-title-en { font-size: 18px; }
  .sv-header { padding: 28px 20px; gap: 20px; }
  .sv-title-wrap { flex-direction: column; gap: 4px; align-items: flex-start; }
  .sv-cols { padding: 32px 20px 40px; grid-template-columns: 1fr; }
  .sv-members { padding: 60px 20px 60px; }
  .sv-members-grid { grid-template-columns: 1fr 1fr; }
  .sv-member:nth-child(3n) { border-right: 1px solid rgba(0,0,0,0.15); }
  .sv-member:nth-child(2n) { border-right: none; }
  .sv-partners { padding: 60px 20px 0; }
  .sv-partners-header { margin-bottom: 24px; }
  .sv-partners-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .sv-members-grid { grid-template-columns: 1fr; }
  .sv-member { border-right: none; }
  .sv-member:nth-child(2n) { border-right: none; }
  .sv-member:nth-child(3n) { border-right: none; }
}