/* ==========================================================================
   pages/signup-auth.css — 가입·인증 시안 카탈로그
   매거진 톤 유지, 5개 카드 비대칭 그리드, 각 카드 안의 mock UI.
   ========================================================================== */

.signup-page { padding-top: 84px; }

/* ====== 01. INTRO ====== */
.auth-intro {
  padding: var(--sp-6) var(--col-pad) var(--sp-5);
  border-bottom: 1px solid var(--c-ink);
  background: var(--c-bg);
}

.auth-intro__inner {
  max-width: var(--col-max);
  margin: 0 auto;
}

.auth-intro__topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding-bottom: var(--sp-4);
  border-bottom: var(--rule);
}

.auth-intro__topbar .left,
.auth-intro__topbar .center,
.auth-intro__topbar .right {
  font-family: var(--font-base);
  font-size: var(--fs-overline);
  font-weight: var(--fw-medium);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.6;
}
.auth-intro__topbar .center { font-weight: var(--fw-semibold); opacity: 1; }
.auth-intro__topbar .center .accent { color: var(--c-accent); }
.auth-intro__topbar .right { justify-self: end; }

.auth-intro__head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-6);
  align-items: end;
  padding: var(--sp-5) 0 var(--sp-4);
}

.auth-intro__title {
  font-family: var(--font-base);
  font-size: clamp(48px, 7vw, 116px);
  font-weight: var(--fw-black);
  line-height: 0.98;
  letter-spacing: -0.05em;
  margin: 0;
}

.auth-intro__title-soft {
  display: inline-block;
  font-weight: var(--fw-light);
  color: var(--c-accent);
  letter-spacing: -0.04em;
  margin-top: 0.1em;
}

.auth-intro__lead {
  font-family: var(--font-base);
  font-size: var(--fs-lead);
  font-weight: var(--fw-light);
  line-height: 1.7;
  letter-spacing: -0.01em;
  max-width: 40ch;
  opacity: 0.82;
  justify-self: end;
}

.auth-intro__lead strong {
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
}

@media (max-width: 980px) {
  .auth-intro__head { grid-template-columns: 1fr; gap: var(--sp-4); }
  .auth-intro__lead { justify-self: start; }
}

/* ====== 02. CATALOG ====== */
.auth-catalog {
  padding: var(--sp-7) var(--col-pad);
}

.auth-catalog__inner {
  max-width: var(--col-max);
  margin: 0 auto;
}

/* 비대칭 그리드 — 12-col base
   상단 row: 01(5) + 02(4) + 03(3) = 12
   하단 row: 04(7) + 05(5) = 12 */
.auth-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 36px 24px;
}

.auth-card.is-01 { grid-column: span 5; }
.auth-card.is-02 { grid-column: span 4; }
.auth-card.is-03 { grid-column: span 3; }
.auth-card.is-04 { grid-column: span 7; }
.auth-card.is-05 { grid-column: span 5; }

@media (max-width: 1180px) {
  .auth-card.is-01 { grid-column: span 6; }
  .auth-card.is-02 { grid-column: span 6; }
  .auth-card.is-03 { grid-column: span 12; }
  .auth-card.is-04 { grid-column: span 12; }
  .auth-card.is-05 { grid-column: span 12; }
}

/* ====== 카드 공통 ====== */
.auth-card {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 22px;
  padding: 28px 26px 30px;
  background: var(--c-bg);
  border: 1px solid var(--c-ink);
  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med) var(--ease);
}

.auth-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(15, 15, 15, 0.08);
}

.auth-card__head {
  display: grid;
  gap: 8px;
}

.auth-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-base);
  font-size: 10.5px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.65;
}

.auth-card__no {
  color: var(--c-accent);
  font-weight: var(--fw-bold);
  opacity: 1;
}

.auth-card__tag.tag--accent-row { color: var(--c-accent); }

.auth-card__title {
  font-family: var(--font-base);
  font-size: clamp(22px, 2vw, 30px);
  font-weight: var(--fw-black);
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin: 4px 0 0;
}

.auth-card__title-soft {
  display: inline-block;
  font-weight: var(--fw-light);
  color: var(--c-accent);
  letter-spacing: -0.025em;
  margin-top: 2px;
  font-size: 0.7em;
}

.auth-card__desc {
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: var(--fw-light);
  line-height: 1.65;
  letter-spacing: -0.005em;
  color: var(--c-ink-soft);
  margin: 4px 0 0;
  max-width: 42ch;
}

/* ====== Mock 공통 ====== */
.mock {
  background: #F4F1EA;
  border: 1px solid rgba(15, 15, 15, 0.15);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
}

.mock--web .mock__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(15, 15, 15, 0.15);
  background: rgba(15, 15, 15, 0.04);
  font-family: var(--font-base);
  font-size: 10.5px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  color: rgba(15, 15, 15, 0.55);
}

.mock__bar-dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(15, 15, 15, 0.18);
}

.mock__bar-url {
  margin-left: 12px;
  font-feature-settings: "tnum";
  text-transform: lowercase;
  letter-spacing: 0.04em;
}

.mock__body {
  padding: 22px 22px 24px;
  display: grid;
  gap: 12px;
  background: var(--c-bg);
}

.mock__body--split {
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 24px;
}

.mock__h {
  font-family: var(--font-base);
  font-size: 19px;
  font-weight: var(--fw-extra);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0;
}

.mock__sub {
  font-family: var(--font-base);
  font-size: 12.5px;
  font-weight: var(--fw-light);
  letter-spacing: -0.005em;
  opacity: 0.65;
  margin: -4px 0 6px;
}

.mock__divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 0 2px;
}

.mock__divider::before,
.mock__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(15, 15, 15, 0.12);
}

.mock__divider span {
  font-family: var(--font-base);
  font-size: 10.5px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.5;
}

.mock__primary {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 18px;
  background: var(--c-ink);
  color: var(--c-bg);
  border: 0;
  font-family: var(--font-base);
  font-size: 13.5px;
  font-weight: var(--fw-bold);
  letter-spacing: -0.005em;
  cursor: pointer;
  margin-top: 4px;
  transition: background var(--t-fast) var(--ease);
}

.mock__primary:hover { background: var(--c-accent); }
.mock__primary .arrow { display: inline-block; transition: transform var(--t-fast) var(--ease); }
.mock__primary:hover .arrow { transform: translateX(3px); }

.mock__primary--full { width: 100%; justify-content: center; }

.mock__note {
  font-family: var(--font-base);
  font-size: 11.5px;
  font-weight: var(--fw-light);
  line-height: 1.65;
  letter-spacing: -0.005em;
  color: var(--c-accent);
  margin: 8px 0 0;
}

/* ====== Field (input) 공통 ====== */
.field {
  display: grid;
  gap: 5px;
}

.field label {
  font-family: var(--font-base);
  font-size: 10.5px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.65;
}

.field input,
.field select {
  font-family: var(--font-base);
  font-size: 13px;
  font-weight: var(--fw-medium);
  padding: 10px 12px;
  border: 1px solid rgba(15, 15, 15, 0.25);
  background: var(--c-bg);
  color: var(--c-ink);
  letter-spacing: -0.005em;
  cursor: pointer;
}

.field input:focus,
.field select:focus { outline: none; border-color: var(--c-accent); }

.field input::placeholder {
  color: rgba(15, 15, 15, 0.35);
  font-weight: var(--fw-light);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field--inline {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0;
  align-items: stretch;
}

.field--inline input {
  border-right: 0;
}

.field__action {
  padding: 10px 14px;
  background: var(--c-ink);
  color: var(--c-bg);
  border: 0;
  font-family: var(--font-base);
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
  cursor: pointer;
}

.field__action:hover { background: var(--c-accent); }

.field--mini input {
  padding: 8px 10px;
  font-size: 12.5px;
}

/* ====== Check ====== */
.check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-family: var(--font-base);
  font-size: 12px;
  font-weight: var(--fw-light);
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--c-ink-soft);
  cursor: pointer;
  margin-top: 2px;
}

.check__box {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  border: 1px solid var(--c-ink);
  background: var(--c-ink);
  margin-top: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.check__mark {
  width: 7px;
  height: 4px;
  border-left: 1.5px solid var(--c-bg);
  border-bottom: 1.5px solid var(--c-bg);
  transform: rotate(-45deg) translate(1px, -1px);
}

/* ====== ① 소셜 버튼 ====== */
.social-stack {
  display: grid;
  gap: 7px;
}

.social-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--c-bg);
  border: 1px solid rgba(15, 15, 15, 0.22);
  font-family: var(--font-base);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.005em;
  color: var(--c-ink);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.social-btn:hover {
  border-color: var(--c-ink);
  background: rgba(15, 15, 15, 0.02);
}

.social-btn__ico {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-ink);
}

.social-btn__ico svg { width: 16px; height: 16px; display: block; }

/* ====== ② PASS 통신사 ====== */
.telecom {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 4px;
}

.telecom__btn {
  padding: 10px 8px;
  background: var(--c-bg);
  border: 1px solid rgba(15, 15, 15, 0.25);
  font-family: var(--font-base);
  font-size: 12.5px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
  color: var(--c-ink);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.telecom__btn:hover { border-color: var(--c-ink); }

.telecom__btn.is-active {
  background: var(--c-ink);
  color: var(--c-bg);
  border-color: var(--c-ink);
}

.countdown {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  background: rgba(199, 91, 63, 0.08);
  border: 1px dashed rgba(199, 91, 63, 0.4);
  margin-top: 8px;
}

.countdown__label {
  font-family: var(--font-base);
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  opacity: 0.75;
}

.countdown__time {
  font-family: var(--font-base);
  font-size: 18px;
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  color: var(--c-accent);
  font-feature-settings: "tnum";
}

/* ====== ③ OTA pills ====== */
.ota-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 4px;
}

.ota-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid rgba(15, 15, 15, 0.3);
  border-radius: 999px;
  font-family: var(--font-base);
  font-size: 10.5px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink);
  opacity: 0.7;
}

/* ====== ④ 호스트 비즈 영역 ====== */
.biz-col {
  display: grid;
  gap: 11px;
  align-content: start;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  align-self: start;
  padding: 6px 11px;
  background: rgba(15, 15, 15, 0.04);
  border: 1px solid rgba(15, 15, 15, 0.15);
  font-family: var(--font-base);
  font-size: 10.5px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-ink);
  opacity: 0.85;
}

.badge__dot {
  width: 6px; height: 6px; border-radius: 999px; background: var(--c-accent);
  animation: pulseBadge 2s ease-in-out infinite;
}

@keyframes pulseBadge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.biz-result {
  display: grid;
  gap: 0;
  border: 1px solid rgba(15, 15, 15, 0.15);
  background: rgba(229, 224, 216, 0.35);
  margin-top: 4px;
}

.biz-result__row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 10px;
  padding: 9px 14px;
  font-family: var(--font-base);
  font-size: 12.5px;
  letter-spacing: -0.005em;
  border-bottom: 1px solid rgba(15, 15, 15, 0.08);
}

.biz-result__row:last-child { border-bottom: 0; }

.biz-result__row .lbl {
  font-weight: var(--fw-medium);
  opacity: 0.6;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  align-self: center;
}

.biz-result__row strong {
  font-weight: var(--fw-bold);
  letter-spacing: -0.01em;
}

.biz-result__row strong.ok { color: var(--c-accent); }

.contract {
  border: 1px solid rgba(15, 15, 15, 0.18);
  background: var(--c-bg);
  padding: 14px 16px 18px;
  display: grid;
  gap: 6px;
  min-height: 180px;
}

.contract__head {
  font-family: var(--font-base);
  font-size: 10.5px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(15, 15, 15, 0.1);
  margin-bottom: 4px;
}

.contract__line {
  height: 4px;
  background: rgba(15, 15, 15, 0.08);
  border-radius: 1px;
}

.contract__line.short { width: 60%; }

.contract__sig {
  margin-top: auto;
  padding-top: 16px;
  display: grid;
  gap: 6px;
}

.contract__sig span {
  font-family: var(--font-base);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.55;
}

.contract__sig-line {
  height: 1px;
  background: var(--c-ink);
}

/* 비즈 영역이 카드 안에서 한 화면처럼 보이도록 mock--wide에서 split */
@media (max-width: 760px) {
  .mock__body--split { grid-template-columns: 1fr; }
}

/* ====== ⑤ 키퍼 폰 mockup ====== */
.mock--phone {
  background: transparent;
  border: 0;
  display: flex;
  justify-content: center;
  padding: 4px 0 8px;
}

.phone {
  position: relative;
  width: 260px;
  max-width: 100%;
  background: var(--c-ink);
  border-radius: 32px;
  padding: 14px 12px;
  box-shadow: 0 24px 48px rgba(15, 15, 15, 0.18),
              0 4px 10px rgba(15, 15, 15, 0.12),
              inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.phone__status {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 22px 10px;
  min-height: 32px;
  font-family: var(--font-base);
  font-size: 12px;
  font-weight: var(--fw-bold);
  color: var(--c-bg);
  letter-spacing: 0.02em;
  font-feature-settings: "tnum";
}

.phone__time {
  position: relative;
  z-index: 1;
  padding-top: 4px;
}

.phone__notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 76px;
  height: 22px;
  background: #000;
  border-radius: 0 0 14px 14px;
  z-index: 0;
}

.phone__indicators {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding-top: 4px;
  color: var(--c-bg);
}

/* 신호 바 — 4단계, 우상향 막대 */
.phone__signal {
  display: inline-block;
  width: 15px;
  height: 9px;
  background-image:
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 2.5px 3px, 2.5px 5px, 2.5px 7px, 2.5px 9px;
  background-position: 0 100%, 4.2px 100%, 8.4px 100%, 12.6px 100%;
}

/* 와이파이 — 동심호 두 겹 + 점 */
.phone__wifi {
  display: inline-block;
  width: 12px;
  height: 9px;
  position: relative;
}

.phone__wifi::before,
.phone__wifi::after {
  content: "";
  position: absolute;
  left: 50%;
  border: 1.4px solid currentColor;
  border-bottom: 0;
  border-right: 0;
  transform: translateX(-50%) rotate(45deg);
  border-radius: 2px 0 0 0;
}

.phone__wifi::before {
  width: 10px;
  height: 5px;
  top: 0;
}

.phone__wifi::after {
  width: 4px;
  height: 2px;
  top: 4px;
}

/* 배터리 — 본체 + 단자 + 충전 레벨 */
.phone__battery {
  display: inline-block;
  position: relative;
  width: 18px;
  height: 9px;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.phone__battery::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  bottom: 1px;
  width: 11px;
  background: currentColor;
  border-radius: 1px;
}

.phone__battery::after {
  content: "";
  position: absolute;
  top: 2px;
  right: -3px;
  width: 2px;
  height: 3px;
  background: currentColor;
  border-radius: 0 1px 1px 0;
}

.phone__screen {
  background: var(--c-bg);
  border-radius: 18px;
  padding: 26px 20px 22px;
  display: grid;
  gap: 14px;
  align-content: start;
  min-height: 420px;
}

.phone__overline {
  font-family: var(--font-base);
  font-size: 10px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 2px;
}

.phone__next {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed rgba(15, 15, 15, 0.18);
  display: grid;
  gap: 4px;
  opacity: 0.55;
}

.phone__next-step {
  font-family: var(--font-base);
  font-size: 10px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.phone__next-text {
  font-family: var(--font-base);
  font-size: 12px;
  font-weight: var(--fw-light);
  letter-spacing: -0.005em;
  color: var(--c-ink);
}

.phone__home {
  width: 90px;
  height: 4px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  margin: 8px auto 0;
}

.code-input {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  margin: 8px 0 2px;
}

.code-cell {
  aspect-ratio: 1 / 1.15;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(15, 15, 15, 0.18);
  font-family: var(--font-base);
  font-size: 22px;
  font-weight: var(--fw-black);
  letter-spacing: -0.04em;
  color: var(--c-ink);
  background: var(--c-bg);
}

.code-cell.is-filled {
  border-color: var(--c-ink);
  background: var(--c-bg);
}

.code-cell.is-active {
  border-color: var(--c-accent);
  color: var(--c-accent);
  animation: caretBlink 1s steps(2) infinite;
}

@keyframes caretBlink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0.25; }
}

/* ====== 03. FLOW STRIP ====== */
.auth-flow {
  padding: var(--sp-7) var(--col-pad);
  background: var(--c-ink);
  color: var(--c-bg);
  border-top: 1px solid var(--c-ink);
}

.auth-flow__inner {
  max-width: var(--col-max);
  margin: 0 auto;
  display: grid;
  gap: var(--sp-3);
}

.auth-flow__label {
  font-family: var(--font-base);
  font-size: var(--fs-overline);
  font-weight: var(--fw-bold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.auth-flow__quote {
  font-family: var(--font-base);
  font-size: clamp(28px, 4vw, 56px);
  font-weight: var(--fw-light);
  line-height: 1.3;
  letter-spacing: -0.03em;
  margin: 0;
}

.auth-flow__quote .step {
  display: inline-block;
  padding: 0 6px;
  font-weight: var(--fw-black);
  letter-spacing: -0.035em;
  position: relative;
}

.auth-flow__quote .step::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.05em;
  height: 1px;
  background: var(--c-accent);
}

.auth-flow__quote .arrow {
  display: inline-block;
  font-family: var(--font-base);
  font-weight: var(--fw-bold);
  color: var(--c-accent);
  font-size: 0.55em;
  margin: 0 0.3em;
  transform: translateY(-0.25em);
}

.auth-flow__attrib {
  margin-top: var(--sp-3);
  font-family: var(--font-base);
  font-size: var(--fs-overline);
  font-weight: var(--fw-medium);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.55;
}