/* ==========================================================================
   섹션 2/2 — DNA(editorial drag) · tech(editorial) · vision(pinned cine)
   · CTA(kinetic) · contact(editorial) · footer(cine)
   ========================================================================== */

/* --- DNA 8유형 (editorial + drag gallery) --- */
.dna {
  overflow: hidden;
}
.dna__track {
  display: flex;
  gap: clamp(1rem, 2vw, 1.5rem);
  padding: 0.5rem var(--gutter) 2rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  cursor: grab;
  scrollbar-width: none;
}
.dna__track::-webkit-scrollbar {
  display: none;
}
.dna__track.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}
.dna-card {
  position: relative;
  flex: 0 0 clamp(260px, 32vw, 360px);
  scroll-snap-align: start;
  background: var(--white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 1.75rem 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  min-height: 420px;
  transition: border-color var(--dur) var(--ease-expo),
    box-shadow var(--dur) var(--ease-expo), transform var(--dur) var(--ease-expo);
}
.dna-card:hover {
  border-color: var(--type-color);
  box-shadow: var(--shadow-card);
  transform: translateY(-6px);
}
.dna-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.dna-card__num {
  font-family: var(--font-serif);
  font-size: 2.9rem;
  font-weight: 400;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--type-color);
}
.dna-card__bar {
  width: 36px;
  height: 4px;
  background: var(--type-color);
  margin-top: 1rem;
}
.dna-card__icon {
  margin: 1.5rem 0;
  flex: 1;
  min-height: 130px;
  background: var(--type-color);
  -webkit-mask: var(--icon) center / 64% no-repeat;
  mask: var(--icon) center / 64% no-repeat;
  opacity: 0.9;
  transition: transform var(--dur) var(--ease-expo);
}
.dna-card:hover .dna-card__icon {
  transform: scale(1.06) rotate(-2deg);
}
.dna-card__name {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
}
.dna-card__nick {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--type-color);
  margin-top: 0.4rem;
}
.dna-card__core {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.6rem;
}
.dna__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.dna__hint {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.dna__controls {
  display: flex;
  gap: 0.5rem;
}
.dna__arrow {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--gray-400, var(--gray-300));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: border-color var(--dur) ease, color var(--dur) ease,
    transform var(--dur) var(--ease-expo);
}
.dna__arrow:hover {
  border-color: var(--gold-dark);
  color: var(--gold-dark);
  transform: scale(1.08);
}

/* --- TECH (editorial spread) --- */
.tech__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.metrics {
  display: grid;
  gap: 0;
}
.metric {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding-block: clamp(1.25rem, 3vw, 2.25rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}
.metric:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.metric__num {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 0.95;
  min-width: 3.5ch;
}
.metric__body strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}
.metric__body span {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
}
.pipeline {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.pipeline__step {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.02);
}
.pipeline__step .n {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: 0.85rem;
}
.pipeline__step strong {
  font-family: var(--font-serif);
  font-weight: 700;
}
.pipeline__step span {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  margin-left: auto;
}
.tech__note {
  margin-top: 2rem;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
}
.tech__note .gold {
  color: var(--gold);
}

/* --- VISION (pinned cinematic) --- */
.vision__pin {
  position: sticky;
  top: 0;
  min-height: 100svh;
  display: flex;
  align-items: center;
}
.vision__layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  width: 100%;
}
.vision__copy .display {
  margin-bottom: 1.5rem;
}
.timeline {
  position: relative;
  padding-left: 2.25rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: rgba(255, 255, 255, 0.22);
}
.timeline__item {
  position: relative;
  padding-bottom: clamp(1.5rem, 4vw, 3rem);
}
.timeline__item:last-child {
  padding-bottom: 0;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: -2.25rem;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--gold);
}
.timeline__item.is-now::before {
  background: var(--gold);
  box-shadow: 0 0 0 6px var(--gold-soft);
}
.timeline__era {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
}
.timeline__desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.3rem;
  max-width: 42ch;
}

/* --- CTA (kinetic) --- */
.cta {
  text-align: center;
  overflow: hidden;
}
.cta__title {
  margin-bottom: 2.25rem;
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* --- CONTACT (editorial) --- */
.contact__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.contact__intro .display {
  margin-bottom: 1.25rem;
}
.contact__channels {
  margin-top: 1.5rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact__channels a {
  color: var(--gold-dark);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
}
.form {
  display: grid;
  gap: 0;
}
.field {
  position: relative;
  border-bottom: 1px solid var(--color-line);
  padding-block: 1.1rem;
}
.field--row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  align-items: center;
  gap: 1rem;
}
.field label {
  font-size: var(--text-sm);
  font-weight: 600;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}
.field label .ln {
  font-family: var(--font-serif);
  color: var(--gold-dark);
  font-size: var(--text-xs);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: transparent;
  border: none;
  padding: 0.3rem 0;
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--gray-500);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
}
.field textarea {
  min-height: 90px;
  resize: vertical;
}
.field::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--dur) var(--ease-expo);
}
.field:focus-within::after {
  transform: scaleX(1);
}
.field--error {
  border-bottom-color: var(--type-1);
}
.field__error {
  display: none;
  margin-top: 0.4rem;
  font-size: var(--text-xs);
  color: var(--type-1);
}
.field--error .field__error {
  display: block;
}
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form__submit {
  margin-top: 1.75rem;
  justify-self: start;
}
.form__status {
  margin-top: 1rem;
  font-size: var(--text-sm);
  min-height: 1.2em;
}
.form__status.is-success {
  color: var(--type-8);
}
.form__status.is-error {
  color: var(--type-1);
}

/* --- FOOTER (cinematic) --- */
.footer {
  background: var(--ink-950);
  color: rgba(255, 255, 255, 0.65);
  padding-block: clamp(4rem, 8vw, 7rem) 2.5rem;
  overflow: hidden;
}
.footer__mark {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(3.5rem, 11vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: 2.5rem;
}
.footer__mark .colon {
  color: var(--gold);
}
.footer__cols {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.footer__tagline {
  font-size: var(--text-sm);
  max-width: 32ch;
}
.footer__col h4 {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 1rem;
}
.footer__col a {
  display: block;
  font-size: var(--text-sm);
  padding: 0.32rem 0;
  transition: color var(--dur) ease;
}
.footer__col a:hover {
  color: var(--gold);
}
.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 900px) {
  .tech__grid,
  .vision__layout,
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .vision__pin {
    position: relative;
    min-height: auto;
    padding-block: 2rem;
  }
  .footer__cols {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .field--row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
  .footer__cols {
    grid-template-columns: 1fr;
  }
}