/* ============================================================
   블록체인법학회 | Global Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700;900&family=Inter:wght@300;400;500;600;700&family=Noto+Serif+KR:wght@400;600;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Brand Colors — BLS Official (from CI guideline) */
  --navy:         #163f8f;   /* Primary navy */
  --navy-mid:     #1E45B0;
  --navy-light:   #2756CC;
  --navy-dark:    #0E2C66;
  --pink:         #c83884;   /* Brand pink */
  --pink-light:   #EC5FA0;
  --pink-pale:    #FCE8F2;
  --cyan:         #42a7cd;   /* Brand cyan */
  --cyan-light:   #7DD8E6;
  --cyan-pale:    #E8F8FA;
  /* Kept for backward compat */
  --gold:         #c83884;
  --gold-light:   #EC5FA0;
  --gold-pale:    #FCE8F2;

  /* Neutral */
  --white:        #FFFFFF;
  --off-white:    #F7F8FA;
  --gray-100:     #EEF0F4;
  --gray-200:     #D9DCE4;
  --gray-400:     #8C93A8;
  --gray-600:     #4A5168;
  --gray-800:     #1C2340;
  --black:        #0A0E1A;

  /* Gradients */
  --grad-hero:    linear-gradient(135deg, #0D1E5A 0%, #1A3C9A 60%, #1648C0 100%);
  --grad-bls:     linear-gradient(135deg, #E02B7C 0%, #4DC8D8 100%);
  --grad-gold:    linear-gradient(135deg, #E02B7C, #EC5FA0);
  --grad-card:    linear-gradient(160deg, rgba(26,60,154,0.95) 0%, rgba(13,30,90,0.98) 100%);

  /* Shadows */
  --shadow-sm:    0 2px 8px rgba(26,60,154,0.12);
  --shadow-md:    0 8px 30px rgba(26,60,154,0.18);
  --shadow-lg:    0 20px 60px rgba(26,60,154,0.25);
  --shadow-gold:  0 4px 20px rgba(224,43,124,0.35);

  /* Spacing */
  --gap-xs:   0.5rem;
  --gap-sm:   1rem;
  --gap-md:   2rem;
  --gap-lg:   4rem;
  --gap-xl:   6rem;

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  /* Transition */
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width:  1200px;
  --nav-height: 92px;
}

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

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

body {
  font-family: 'Noto Sans KR', 'Inter', sans-serif;
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

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

ul { list-style: none; }

/* ── Layout Utilities ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--gap-xl) 0;
}

.section--dark {
  background: var(--grad-hero);
  color: var(--white);
}

.section--light {
  background: var(--off-white);
}

.section--white {
  background: var(--white);
}

/* ── Typography ─────────────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: 'Noto Serif KR', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
  margin-bottom: 1rem;
}

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

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 560px;
  line-height: 1.8;
}

.section-subtitle--white {
  color: rgba(255,255,255,0.75);
}

/* ── Navigation ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(13,27,62,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201,168,76,0.15);
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(13,27,62,0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--grad-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.navbar__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.navbar__logo-text span:first-child {
  font-size: 0.7rem;
  color: var(--gold-light);
  letter-spacing: 0.05em;
}

.navbar__logo-text span:last-child {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  position: relative;
  padding-bottom: 2px;
  text-decoration: none;
  transition: color var(--transition);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width var(--transition);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--gold-light);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  line-height: 1;
  white-space: nowrap;
}

.btn--primary {
  background: var(--grad-gold);
  color: var(--navy);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(201,168,76,0.5);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.4);
}

.btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}

.btn--navy {
  background: var(--navy);
  color: var(--white);
}

.btn--navy:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn--sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card--dark {
  background: var(--grad-card);
  border: 1px solid rgba(201,168,76,0.2);
  color: var(--white);
}

.card__badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--gold {
  background: rgba(201,168,76,0.15);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
}

.badge--blue {
  background: rgba(30,53,114,0.15);
  color: #5B8DEF;
  border: 1px solid rgba(91,141,239,0.3);
}

.badge--green {
  background: rgba(34,197,94,0.1);
  color: #22C55E;
  border: 1px solid rgba(34,197,94,0.3);
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: var(--grad-hero);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(201,168,76,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(30,53,114,0.4) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(201,168,76,0.04) 0%, transparent 40%);
  pointer-events: none;
}

.hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.hero__text {
  max-width: 580px;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 99px;
  padding: 0.35rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.hero__label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-family: 'Noto Serif KR', serif;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 1.5rem;
}

.hero__title .accent {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Hero floating cards */
.hero__card-stack {
  position: relative;
  width: 340px;
  height: 400px;
}

.hero__float-card {
  position: absolute;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  color: var(--white);
  animation: float 6s ease-in-out infinite;
}

.hero__float-card:nth-child(1) {
  top: 0; left: 0; right: 0;
  animation-delay: 0s;
}

.hero__float-card:nth-child(2) {
  top: 120px; left: 20px; right: -20px;
  animation-delay: 2s;
  border-color: rgba(91,141,239,0.3);
}

.hero__float-card:nth-child(3) {
  bottom: 0; left: 10px; right: 10px;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.hero__card-title {
  font-size: 0.7rem;
  color: var(--gold-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero__card-value {
  font-size: 1.1rem;
  font-weight: 600;
}

/* ── Stats Bar ───────────────────────────────────────────────── */
.stats-bar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  padding: 1.5rem 0;
}

.stats-bar__inner {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-item__number {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
}

.stat-item__number .gold { color: var(--gold); }

.stat-item__label {
  font-size: 0.78rem;
  color: var(--gray-400);
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ── Announcement Card ───────────────────────────────────────── */
.announcements {
  display: grid;
  gap: 1rem;
}

.announcement-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
  text-decoration: none;
}

.announcement-item:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.announcement-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.announcement-item__body {
  flex: 1;
  min-width: 0;
}

.announcement-item__title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.announcement-item__meta {
  font-size: 0.78rem;
  color: var(--gray-400);
}

/* ── Event Cards ─────────────────────────────────────────────── */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.event-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.event-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201,168,76,0.3);
}

.event-card__header {
  background: var(--grad-hero);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.event-card__header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(201,168,76,0.1);
}

.event-card__date {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.event-card__month {
  font-size: 0.7rem;
  color: var(--gold-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

.event-card__day {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}

.event-card__year {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}

.event-card__body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.event-card__title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.event-card__desc {
  font-size: 0.85rem;
  color: var(--gray-600);
  flex: 1;
  line-height: 1.7;
}

.event-card__footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.event-card__location {
  font-size: 0.78rem;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* ── Research Cards ──────────────────────────────────────────── */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.research-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.research-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.research-card:hover::before {
  transform: scaleX(1);
}

.research-card__number {
  font-size: 0.7rem;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.research-card__title {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
  line-height: 1.5;
}

.research-card__author {
  font-size: 0.8rem;
  color: var(--gray-400);
}

.research-card__locked {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: auto;
}

/* ── Google Login Modal ──────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,27,62,0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  max-width: 420px;
  width: 90%;
  text-align: center;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal__icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--grad-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1.5rem;
}

.modal__title {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.modal__desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.modal__notice {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 1rem;
  line-height: 1.6;
}

.btn--google {
  width: 100%;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  color: var(--gray-800);
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.btn--google:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--google-icon {
  width: 20px;
  height: 20px;
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--gray-600);
  transition: all var(--transition);
}

.modal__close:hover {
  background: var(--gray-200);
}

.modal { position: relative; }

/* ── Toast ───────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--navy);
  color: var(--white);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease;
  max-width: 320px;
}

.toast--error {
  background: #c0392b;
}

.toast--success {
  background: #16a34a;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.6);
  padding: 3.5rem 0 2rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer__brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-top: 0.75rem;
  color: rgba(255,255,255,0.5);
}

.footer__heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--gold-light);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

/* ── Breadcrumb ──────────────────────────────────────────────── */
.page-hero {
  background: var(--grad-hero);
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--gold-light); }

.breadcrumb__sep { opacity: 0.4; }

.page-hero__title {
  font-family: 'Noto Serif KR', serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--white);
}

.page-hero__subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  margin-top: 0.75rem;
}

/* ── Tab Navigation ──────────────────────────────────────────── */
.tab-nav {
  display: flex;
  gap: 0;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: 2.5rem;
  width: fit-content;
}

.tab-btn {
  padding: 0.55rem 1.25rem;
  border: none;
  background: none;
  border-radius: calc(var(--radius-md) - 4px);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  color: var(--gray-600);
  transition: all var(--transition);
}

.tab-btn.active {
  background: var(--white);
  color: var(--navy);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* ── Timeline ────────────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.75rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--navy-light));
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.3);
}

.timeline-item__year {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.timeline-item__title {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.timeline-item__desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ── Org Chart ───────────────────────────────────────────────── */
.org-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.org-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition);
}

.org-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
}

.org-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.org-card__role {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.org-card__name {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
}

.org-card__affil {
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-top: 0.1rem;
}

/* ── Member only gate ────────────────────────────────────────── */
.gate {
  text-align: center;
  padding: 5rem 2rem;
  max-width: 480px;
  margin: 0 auto;
}

.gate__icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.gate__title {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.gate__desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* ── Membership table ────────────────────────────────────────── */
.fee-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.fee-table th {
  background: var(--navy);
  color: var(--white);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: left;
}

.fee-table td {
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-100);
  background: var(--white);
}

.fee-table tr:last-child td { border-bottom: none; }
.fee-table tr:hover td { background: var(--off-white); }

.fee-highlight {
  font-weight: 700;
  color: var(--navy);
}

.fee-amount {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--gold);
}

/* ── Scroll Animation ────────────────────────────────────────── */
.anim-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.anim-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__actions {
    justify-content: center;
  }
  .hero__visual {
    display: none;
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .navbar__menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    border-top: 1px solid rgba(201,168,76,0.2);
  }
  .navbar__menu.open {
    display: flex;
  }
  .navbar__hamburger {
    display: flex;
  }
  .stats-bar__inner {
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .events-grid {
    grid-template-columns: 1fr;
  }
  .footer__inner {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 3.5rem 0;
  }
}

/* ==========================================================
   Editorial (Harvard Law Review-inspired) components
   ========================================================== */

.ed-hero {
  background: var(--white);
  padding: 6rem 1.5rem 2.5rem;
  text-align: center;
  border-bottom: 1px solid var(--gray-100);
}
.ed-hero__eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 1.75rem;
}
.ed-hero__title {
  font-family: 'Noto Serif KR', serif;
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--gray-800);
  max-width: 880px;
  margin: 0 auto 1.75rem;
  letter-spacing: -0.015em;
}
.ed-hero__rule {
  width: 56px;
  border: 0;
  border-top: 2px solid var(--navy);
  margin: 0 auto 1.75rem;
}
.ed-hero__dek {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray-600);
  max-width: 680px;
  margin: 0 auto 2.5rem;
}
.ed-hero__actions {
  display: flex;
  justify-content: center;
  gap: 2.25rem;
  flex-wrap: wrap;
}
.ed-link {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--navy);
  transition: opacity var(--transition);
}
.ed-link:hover { opacity: 0.65; }

.ed-section {
  padding: 5rem 1.5rem;
  max-width: 1160px;
  margin: 0 auto;
}
.ed-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 0.9rem;
  margin-bottom: 2.75rem;
  gap: 1rem;
}
.ed-section__title {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-800);
  margin: 0;
}
.ed-section__more {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
  white-space: nowrap;
  transition: opacity var(--transition);
}
.ed-section__more:hover { opacity: 0.65; }

.ed-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.ed-feature {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--gray-200);
  padding-top: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition);
}
.ed-feature:hover { opacity: 0.75; }
.ed-feature__kicker {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.ed-feature__title {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--gray-800);
  margin: 0 0 0.7rem;
}
.ed-feature__dek {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--gray-600);
  margin: 0 0 1.25rem;
}
.ed-feature__meta {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-top: auto;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--gray-100);
}

.ed-numbers {
  background: var(--gray-100);
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}
.ed-numbers__grid {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.ed-numbers__num {
  font-family: 'Noto Serif KR', serif;
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 0.55rem;
  letter-spacing: -0.02em;
}
.ed-numbers__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.ed-article-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.ed-article-list__item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 2rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--gray-100);
  text-decoration: none;
  color: inherit;
  transition: padding-left var(--transition);
}
.ed-article-list__item:hover { padding-left: 0.5rem; }
.ed-article-list__item:last-child { border-bottom: 0; }
.ed-article-list__date {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.05em;
}
.ed-article-list__title {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-800);
  line-height: 1.5;
}
.ed-article-list__tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  white-space: nowrap;
}

.ed-cta {
  background: var(--navy-dark);
  color: var(--white);
  padding: 4.5rem 1.5rem;
  text-align: center;
}
.ed-cta__title {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.75rem;
  font-weight: 700;
  max-width: 640px;
  margin: 0 auto 1.25rem;
  line-height: 1.45;
}
.ed-cta__dek {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.72);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}
.ed-cta__link {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  padding: 0.9rem 2rem;
  border: 1px solid var(--white);
  transition: background var(--transition), color var(--transition);
}
.ed-cta__link:hover {
  background: var(--white);
  color: var(--navy-dark);
}

/* Carousel restyle for editorial feel */
body .history-carousel { background: var(--white); padding: 4rem 0 5rem; border-top: 1px solid var(--gray-100); }
body .carousel-slide { box-shadow: none; border: 1px solid var(--gray-100); border-radius: 0; }
body .carousel-slide:hover { transform: none; border-color: var(--navy); }
body .carousel-slide__cap { padding: 1rem 1.1rem 1.25rem; }
body .carousel-slide__date { color: var(--navy); font-family: 'Inter', sans-serif; font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; }
body .carousel-slide__title { font-family: 'Noto Serif KR', serif; font-size: 0.95rem; font-weight: 600; }

@media (max-width: 900px) {
  .ed-feature-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .ed-numbers__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
  .ed-article-list__item { grid-template-columns: 1fr; gap: 0.35rem; }
  .ed-article-list__item:hover { padding-left: 0; }
  .ed-article-list__tag { order: -1; }
}

/* ==========================================================
   Editorial overrides for inner pages (about/events/resources/
   membership/history). Replaces gradient heroes, glossy cards,
   and badge soup with quiet serif+rule + navy-only accent.
   ========================================================== */

/* Navbar — switch from dark navy to white editorial */
.navbar {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: none;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.99);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}
.navbar__logo img { height: 56px !important; width: auto; display: block; }
.navbar__link { color: var(--gray-800); font-weight: 500; }
.navbar__link::after { background: var(--navy); }
.navbar__link:hover, .navbar__link.active { color: var(--navy); }
.navbar__hamburger span { background: var(--gray-800); }
/* Mobile menu — match white editorial navbar (was dark navy with invisible dark text) */
@media (max-width: 900px) {
  .navbar__menu {
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .navbar__menu .navbar__link { color: var(--gray-800); }
  .navbar__menu .navbar__link:hover,
  .navbar__menu .navbar__link.active { color: var(--navy); }
}
/* Login button — text-only on white, fixed 48px to match logo height */
#loginBtn.btn--primary,
#loginBtn.btn--outline {
  background: var(--white) !important;
  color: var(--navy) !important;
  border: 1px solid var(--gray-200) !important;
  font-weight: 600;
  letter-spacing: 0.05em;
  box-shadow: none !important;
  height: 56px !important;
  padding: 0 1.6rem !important;
  font-size: 0.9rem;
  line-height: 1;
}
#loginBtn.btn--primary:hover,
#loginBtn.btn--outline:hover {
  border-color: var(--navy) !important;
  transform: none !important;
}

.page-hero {
  background: var(--white);
  padding: 5.5rem 0 3.5rem;
  border-bottom: 1px solid var(--gray-200);
}
.page-hero::before { display: none; }
.page-hero__title {
  color: var(--gray-800);
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.01em;
  margin-top: 0.25rem;
}
.page-hero__subtitle {
  color: var(--gray-600);
  font-size: 0.98rem;
  line-height: 1.75;
  margin-top: 1rem;
  max-width: 640px;
}
.breadcrumb { color: var(--gray-400); font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 1.25rem; }
.breadcrumb a { color: var(--gray-400); }
.breadcrumb a:hover { color: var(--navy); }
.breadcrumb__sep { opacity: 0.5; }

/* Tab nav as underline tabs */
.tab-nav {
  background: transparent;
  border-radius: 0;
  padding: 0;
  border-bottom: 1px solid var(--gray-200);
  gap: 2rem;
  width: 100%;
  margin-bottom: 3rem;
}
.tab-btn {
  padding: 0.85rem 0;
  border-radius: 0;
  color: var(--gray-400);
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--navy); }
.tab-btn.active {
  background: transparent;
  box-shadow: none;
  color: var(--navy);
  border-bottom-color: var(--navy);
  font-weight: 700;
}

/* Tame section labels and titles for inner pages */
.section--light { background: var(--white); }
.section-label {
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
}
.section-title {
  font-family: 'Noto Serif KR', serif;
  color: var(--gray-800);
  letter-spacing: -0.01em;
}
.section-subtitle { color: var(--gray-600); }

/* Cards: flat, editorial */
.event-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0;
  box-shadow: none;
  transition: border-color var(--transition), transform var(--transition);
}
.event-card:hover { border-color: var(--navy); box-shadow: none; transform: none; }
.event-card__header { background: transparent !important; border-bottom: 1px solid var(--gray-100); padding: 1rem 1.25rem; }
.event-card__header::after { display: none; }
.event-card__date { color: var(--navy); }
.event-card__month { color: var(--navy); font-family: 'Inter', sans-serif; letter-spacing: 0.12em; }
.event-card__day { color: var(--gray-800); font-family: 'Noto Serif KR', serif; font-weight: 700; }
.event-card__year { color: var(--gray-400); }
.event-card__title { font-family: 'Noto Serif KR', serif; color: var(--gray-800); font-weight: 700; }
.event-card__desc { color: var(--gray-600); }
.event-card__footer { border-top: 1px dashed var(--gray-100); }
.event-card__location { color: var(--gray-400); letter-spacing: 0.03em; }

.research-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0;
  box-shadow: none;
  padding: 1.75rem;
}
.research-card::before { display: none; }
.research-card:hover { border-color: var(--navy); transform: none; box-shadow: none; }
.research-card__number { color: var(--navy); font-family: 'Inter', sans-serif; font-size: 0.72rem; letter-spacing: 0.15em; }
.research-card__title { font-family: 'Noto Serif KR', serif; color: var(--gray-800); font-weight: 700; line-height: 1.5; }
.research-card__author { color: var(--gray-400); font-size: 0.8rem; letter-spacing: 0.03em; }
.research-card__locked { color: var(--gray-600); font-size: 0.78rem; border-top: 1px dashed var(--gray-100); padding-top: 0.85rem; margin-top: 0.85rem; }

/* Announcements as clean rows */
.announcement-item {
  background: transparent;
  border-left: none;
  border-bottom: 1px solid var(--gray-100);
  border-radius: 0;
  padding: 1rem 0;
  transition: padding-left var(--transition);
}
.announcement-item:hover { background: transparent; border-color: var(--navy); padding-left: 0.5rem; }
.announcement-item__icon { display: none; }
.announcement-item__title { font-family: 'Noto Serif KR', serif; color: var(--gray-800); font-weight: 600; }
.announcement-item__meta { color: var(--gray-400); font-family: 'Inter', sans-serif; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* Badges — remove gold/green/blue glow, use small caps text */
.card__badge {
  background: transparent !important;
  color: var(--navy) !important;
  border: 1px solid var(--navy);
  border-radius: 0;
  padding: 0.18rem 0.55rem;
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: none;
}

/* Timeline — minimal navy line + small dot */
.timeline::before { background: var(--gray-200); width: 1px; left: 4px; }
.timeline-item::before {
  width: 9px; height: 9px; left: -2rem;
  background: var(--navy);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 1px var(--gray-200);
}
.timeline-item__year { color: var(--navy); font-family: 'Inter', sans-serif; letter-spacing: 0.12em; }
.timeline-item__title { font-family: 'Noto Serif KR', serif; color: var(--gray-800); }
.timeline-item__desc { color: var(--gray-600); line-height: 1.75; }

/* Buttons — primary is now text+underline style; navy is filled navy */
.btn--primary {
  background: var(--navy);
  color: var(--white);
  box-shadow: none;
  border-radius: 0;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.btn--primary:hover { background: var(--navy-dark); box-shadow: none; transform: none; }
.btn--outline {
  border: 1px solid var(--navy);
  color: var(--navy);
  background: transparent;
  border-radius: 0;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--navy { background: var(--navy); color: var(--white); border-radius: 0; }
.btn--navy:hover { background: var(--navy-dark); }

/* Fee table — tighten */
.fee-table { border-collapse: collapse; }
.fee-table th { background: var(--gray-100); color: var(--gray-800); font-family: 'Inter', sans-serif; font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; }
.fee-table td { border-bottom: 1px solid var(--gray-100); }
.fee-highlight { color: var(--navy); }
.fee-amount { color: var(--navy); font-family: 'Noto Serif KR', serif; }