/* ============================================================
   한국저시력연구회 (Korean Low Vision Society)
   Stylesheet - low-vision.kr
   ============================================================ */

  :root {
    --color-bg: #faf7f2;
    --color-bg-soft: #f3ede3;
    --color-ink: #1a1f2e;
    --color-ink-soft: #4a5468;
    --color-primary: #0a4d68;
    --color-primary-dark: #063850;
    --color-accent: #a8763e;
    --color-accent-light: #c89a5e;
    --color-line: #d9cfbf;
    --color-line-soft: #e8e0d0;
    --color-white: #ffffff;
    --serif: 'Noto Serif KR', 'Cormorant Garamond', serif;
    --display: 'Cormorant Garamond', 'Noto Serif KR', serif;
    --sans: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--sans);
    background: var(--color-bg);
    color: var(--color-ink);
    font-size: 17px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  a { color: inherit; text-decoration: none; }
  ul { list-style: none; }
  img { max-width: 100%; display: block; }

  .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ============ TOP BAR ============ */
  .topbar {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    padding: 10px 0;
    letter-spacing: 0.04em;
  }
  .topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .topbar-left { display: flex; gap: 24px; }
  .topbar-left span { display: flex; align-items: center; gap: 6px; }
  .topbar-right { display: flex; gap: 18px; align-items: center; }
  .topbar-right a:hover { color: var(--color-accent-light); }

  /* ============ HEADER ============ */
  header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-line-soft);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 0 rgba(0,0,0,0.02);
  }
  .header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .logo-mark {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: grid;
    place-items: center;
    color: white;
    font-family: var(--display);
    font-style: italic;
    font-size: 22px;
    font-weight: 600;
    box-shadow: inset 0 -3px 8px rgba(0,0,0,0.15);
  }
  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  .logo-text .ko {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 20px;
    color: var(--color-ink);
    letter-spacing: -0.01em;
  }
  .logo-text .en {
    font-family: var(--display);
    font-style: italic;
    font-size: 12px;
    color: var(--color-accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 2px;
  }

  nav.main-nav > ul {
    display: flex;
    gap: 38px;
  }
  nav.main-nav > ul > li {
    position: relative;
    padding: 24px 0;
  }
  nav.main-nav > ul > li > a {
    font-weight: 500;
    font-size: 15px;
    color: var(--color-ink);
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
  }
  nav.main-nav > ul > li > a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 18px;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
  }
  nav.main-nav > ul > li:hover > a { color: var(--color-primary); }
  nav.main-nav > ul > li:hover > a::after { width: 100%; }

  .submenu {
    position: absolute;
    top: 100%;
    left: -16px;
    background: var(--color-white);
    min-width: 220px;
    padding: 12px 0;
    border: 1px solid var(--color-line-soft);
    border-top: 2px solid var(--color-accent);
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s ease;
  }
  nav.main-nav > ul > li:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .submenu li a {
    display: block;
    padding: 9px 22px;
    font-size: 14px;
    color: var(--color-ink-soft);
    transition: all 0.2s;
  }
  .submenu li a:hover {
    background: var(--color-bg-soft);
    color: var(--color-primary);
    padding-left: 28px;
  }

  .login-btn {
    border: 1.5px solid var(--color-primary);
    color: var(--color-primary);
    padding: 9px 22px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 2px;
    transition: all 0.25s;
    letter-spacing: 0.04em;
  }
  .login-btn:hover {
    background: var(--color-primary);
    color: white;
  }

  /* ============ HERO ============ */
  .hero {
    position: relative;
    background:
      linear-gradient(135deg, rgba(10,77,104,0.92) 0%, rgba(6,56,80,0.95) 100%),
      radial-gradient(circle at 20% 30%, rgba(168,118,62,0.3), transparent 50%);
    color: white;
    padding: 100px 0 120px;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      repeating-linear-gradient(45deg, transparent, transparent 60px, rgba(255,255,255,0.02) 60px, rgba(255,255,255,0.02) 61px);
    pointer-events: none;
  }
  .hero::after {
    content: '';
    position: absolute;
    right: -200px;
    top: -100px;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(200,154,94,0.15);
    border-radius: 50%;
  }
  .hero-content {
    position: relative;
    max-width: 800px;
  }
  .hero-eyebrow {
    font-family: var(--display);
    font-style: italic;
    font-size: 18px;
    color: var(--color-accent-light);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .hero-eyebrow::before {
    content: '';
    width: 60px;
    height: 1px;
    background: var(--color-accent-light);
  }
  .hero h1 {
    font-family: var(--serif);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
  }
  .hero h1 em {
    font-family: var(--display);
    font-style: italic;
    font-weight: 500;
    color: var(--color-accent-light);
  }
  .hero p {
    font-size: 18px;
    line-height: 1.85;
    color: rgba(255,255,255,0.85);
    max-width: 640px;
    font-weight: 300;
  }
  .hero-meta {
    margin-top: 48px;
    display: flex;
    gap: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.15);
    max-width: 640px;
  }
  .hero-meta-item {
    display: flex;
    flex-direction: column;
  }
  .hero-meta-num {
    font-family: var(--display);
    font-size: 36px;
    font-weight: 600;
    color: var(--color-accent-light);
    line-height: 1;
  }
  .hero-meta-label {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-top: 6px;
    letter-spacing: 0.05em;
  }

  /* ============ SECTION COMMON ============ */
  section.block { padding: 100px 0; }
  section.block.alt { background: var(--color-bg-soft); }

  .section-head {
    text-align: center;
    margin-bottom: 60px;
  }
  .section-eyebrow {
    font-family: var(--display);
    font-style: italic;
    font-size: 16px;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  .section-title {
    font-family: var(--serif);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: -0.02em;
  }
  .section-divider {
    width: 50px;
    height: 2px;
    background: var(--color-accent);
    margin: 22px auto 0;
  }
  .section-sub {
    margin-top: 22px;
    color: var(--color-ink-soft);
    font-size: 16px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  /* ============ GUIDE & OFFICERS ROW ============ */
  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: stretch;
  }

  .card {
    background: var(--color-white);
    padding: 48px 44px;
    border: 1px solid var(--color-line-soft);
    position: relative;
    transition: all 0.3s ease;
  }
  .card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
  }
  .card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px rgba(10,77,104,0.08); }

  .card-eyebrow {
    font-family: var(--display);
    font-style: italic;
    color: var(--color-accent);
    font-size: 15px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .card-title {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-ink);
    margin-bottom: 18px;
    letter-spacing: -0.01em;
  }
  .card-desc {
    color: var(--color-ink-soft);
    font-size: 15.5px;
    line-height: 1.75;
    margin-bottom: 32px;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-primary);
    color: white;
    padding: 14px 28px;
    font-size: 14.5px;
    font-weight: 600;
    border-radius: 2px;
    transition: all 0.25s;
    letter-spacing: 0.04em;
    border: 1.5px solid var(--color-primary);
    cursor: pointer;
  }
  .btn:hover { background: var(--color-primary-dark); transform: translateX(2px); }
  .btn-outline { background: transparent; color: var(--color-primary); }
  .btn-outline:hover { background: var(--color-primary); color: white; }
  .btn .arrow { font-family: var(--display); font-style: italic; font-size: 18px; }

  /* OFFICERS */
  .officers {
    background: var(--color-white);
    padding: 48px 44px;
    border: 1px solid var(--color-line-soft);
    position: relative;
  }
  .officers::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 60px;
    height: 3px;
    background: var(--color-primary);
  }
  .officers .card-title { margin-bottom: 28px; }
  .officer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 28px;
  }
  .officer-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 11px 0;
    border-bottom: 1px dotted var(--color-line);
    gap: 16px;
  }
  .officer-row.special { border-bottom-color: var(--color-accent); }
  .officer-role {
    font-family: var(--serif);
    font-weight: 600;
    color: var(--color-primary);
    font-size: 14.5px;
    flex-shrink: 0;
  }
  .officer-row.special .officer-role { color: var(--color-accent); font-size: 15px; }
  .officer-name {
    font-size: 14.5px;
    color: var(--color-ink);
    text-align: right;
  }
  .officer-name small { color: var(--color-ink-soft); font-size: 12.5px; margin-left: 4px; }

  /* ============ CLINIC SECTION ============ */
  .clinic-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .clinic-card {
    background: var(--color-white);
    padding: 44px 40px;
    border: 1px solid var(--color-line-soft);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .clinic-card::after {
    content: '';
    position: absolute;
    bottom: -40px; right: -40px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168,118,62,0.08) 0%, transparent 70%);
  }
  .clinic-card:hover { border-color: var(--color-accent); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.06); }
  .clinic-icon {
    width: 56px;
    height: 56px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-accent);
    display: grid;
    place-items: center;
    color: var(--color-accent);
    font-family: var(--display);
    font-style: italic;
    font-weight: 600;
    font-size: 22px;
  }
  .clinic-card h3 {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-ink);
  }
  .clinic-card p {
    color: var(--color-ink-soft);
    font-size: 15px;
    flex: 1;
  }
  .clinic-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--color-primary);
    padding-bottom: 4px;
    align-self: flex-start;
    transition: all 0.2s;
  }
  .clinic-link:hover { gap: 14px; color: var(--color-accent); border-color: var(--color-accent); }

  /* ============ SEMINAR SECTION ============ */
  .seminar-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
  }
  .seminar-item {
    background: var(--color-white);
    padding: 36px 32px;
    border: 1px solid var(--color-line-soft);
    transition: all 0.3s;
    position: relative;
    cursor: pointer;
  }
  .seminar-item.featured {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    grid-column: span 1;
    border-color: var(--color-primary);
  }
  .seminar-item:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
  .seminar-year {
    font-family: var(--display);
    font-size: 38px;
    font-weight: 600;
    line-height: 1;
    color: var(--color-accent);
    margin-bottom: 14px;
  }
  .seminar-item.featured .seminar-year { color: var(--color-accent-light); }
  .seminar-item.featured .seminar-tag { background: rgba(200,154,94,0.2); color: var(--color-accent-light); border-color: rgba(200,154,94,0.4); }
  .seminar-tag {
    display: inline-block;
    background: var(--color-bg-soft);
    color: var(--color-primary);
    border: 1px solid var(--color-line);
    padding: 3px 10px;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 14px;
  }
  .seminar-title {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: 18px;
    color: inherit;
  }
  .seminar-item.featured .seminar-title { color: white; }
  .seminar-meta {
    font-size: 13px;
    color: var(--color-ink-soft);
    padding-top: 16px;
    border-top: 1px solid var(--color-line-soft);
  }
  .seminar-item.featured .seminar-meta { color: rgba(255,255,255,0.7); border-top-color: rgba(255,255,255,0.15); }

  /* ============ MEMBERSHIP ============ */
  .membership-wrap {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    align-items: center;
  }
  .membership-text h2 {
    font-family: var(--serif);
    font-size: 38px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-ink);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
  }
  .membership-text h2 em {
    font-family: var(--display);
    font-style: italic;
    font-weight: 500;
    color: var(--color-accent);
  }
  .membership-text p {
    color: var(--color-ink-soft);
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 18px;
  }
  .membership-text .email-line {
    background: var(--color-bg-soft);
    padding: 16px 22px;
    border-left: 3px solid var(--color-accent);
    font-family: var(--sans);
    font-size: 14px;
    margin-bottom: 32px;
  }
  .membership-text .email-line strong {
    color: var(--color-primary);
    font-family: var(--display);
    font-style: italic;
    font-weight: 600;
    margin-right: 8px;
  }
  .membership-actions { display: flex; gap: 14px; flex-wrap: wrap; }
  .membership-card {
    background: var(--color-white);
    padding: 50px 44px;
    border: 1px solid var(--color-line-soft);
    position: relative;
  }
  .membership-card::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  }
  .membership-card h4 {
    font-family: var(--display);
    font-style: italic;
    font-size: 18px;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
  }
  .membership-card .ko-title {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 28px;
  }
  .membership-card ol {
    list-style: none;
    counter-reset: step;
  }
  .membership-card ol li {
    counter-increment: step;
    padding: 16px 0 16px 50px;
    border-bottom: 1px solid var(--color-line-soft);
    position: relative;
    font-size: 14.5px;
    color: var(--color-ink);
  }
  .membership-card ol li:last-child { border-bottom: none; }
  .membership-card ol li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 0; top: 18px;
    font-family: var(--display);
    font-style: italic;
    font-weight: 600;
    color: var(--color-accent);
    font-size: 18px;
  }
  .membership-card ol li small {
    display: block;
    color: var(--color-ink-soft);
    font-size: 12.5px;
    margin-top: 2px;
  }

  /* ============ GUIDEBOOK ============ */
  .guidebook {
    background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
  }
  .guidebook-wrap {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 64px;
    align-items: center;
  }
  .guidebook-visual {
    position: relative;
    height: 460px;
    display: grid;
    place-items: center;
  }
  .book-stack {
    position: relative;
    width: 280px;
    height: 380px;
  }
  .book {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: 8px 12px 30px rgba(0,0,0,0.18);
    border-radius: 2px 6px 6px 2px;
    overflow: hidden;
  }
  .book::before {
    content: '';
    position: absolute;
    left: 12px; top: 0; bottom: 0;
    width: 1px;
    background: rgba(255,255,255,0.15);
  }
  .book-2 {
    transform: rotate(-6deg) translate(-30px, 14px);
    background: linear-gradient(135deg, var(--color-accent) 0%, #8a5e2e 100%);
  }
  .book-3 {
    transform: rotate(4deg) translate(20px, -10px);
  }
  .book-cover {
    position: absolute;
    inset: 30px 24px;
    border: 1.5px solid rgba(255,255,255,0.3);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
  }
  .book-cover .em {
    font-family: var(--display);
    font-style: italic;
    color: var(--color-accent-light);
    font-size: 14px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
  }
  .book-cover .title-ko {
    font-family: var(--serif);
    font-weight: 700;
    color: white;
    font-size: 22px;
    line-height: 1.4;
  }
  .book-cover .author {
    font-size: 11px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.15em;
  }

  .guidebook-content h2 {
    font-family: var(--serif);
    font-size: 38px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 22px;
    color: var(--color-ink);
    letter-spacing: -0.02em;
  }
  .guidebook-content p {
    color: var(--color-ink-soft);
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 18px;
  }
  .guidebook-content .notice {
    font-size: 13.5px;
    color: var(--color-accent);
    padding: 14px 0;
    border-top: 1px solid var(--color-line);
    border-bottom: 1px solid var(--color-line);
    margin: 28px 0;
    font-style: italic;
  }

  /* ============ PARTNERS ============ */
  .partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 50px;
  }
  .partner {
    background: var(--color-white);
    padding: 28px 22px;
    border: 1px solid var(--color-line-soft);
    text-align: center;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 130px;
  }
  .partner:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.06);
  }
  .partner-name {
    font-family: var(--serif);
    font-weight: 600;
    color: var(--color-primary);
    font-size: 14.5px;
    line-height: 1.4;
  }
  .partner-en {
    font-family: var(--display);
    font-style: italic;
    color: var(--color-ink-soft);
    font-size: 12px;
    letter-spacing: 0.05em;
  }

  .vendor-section {
    margin-top: 70px;
    padding-top: 50px;
    border-top: 1px solid var(--color-line);
    text-align: center;
  }
  .vendor-section h4 {
    font-family: var(--serif);
    font-size: 20px;
    color: var(--color-ink);
    margin-bottom: 24px;
    font-weight: 600;
  }
  .vendor-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    max-width: 720px;
    margin: 0 auto;
  }
  .vendor {
    background: var(--color-white);
    padding: 22px 28px;
    border: 1px solid var(--color-line-soft);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.25s;
  }
  .vendor:hover { border-color: var(--color-accent); }
  .vendor-icon {
    width: 44px; height: 44px;
    background: var(--color-bg-soft);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--color-accent);
    font-family: var(--display);
    font-style: italic;
    font-size: 20px;
    flex-shrink: 0;
  }
  .vendor-text { flex: 1; }
  .vendor-text strong {
    display: block;
    font-family: var(--serif);
    font-size: 15px;
    color: var(--color-ink);
    margin-bottom: 2px;
  }
  .vendor-text span {
    font-size: 12.5px;
    color: var(--color-ink-soft);
  }

  /* ============ CONTACT ============ */
  .contact {
    background: var(--color-primary-dark);
    color: white;
    position: relative;
    overflow: hidden;
  }
  .contact::before {
    content: 'Contact';
    position: absolute;
    bottom: -40px;
    right: -10px;
    font-family: var(--display);
    font-style: italic;
    font-size: 240px;
    color: rgba(255,255,255,0.04);
    font-weight: 600;
    line-height: 1;
    pointer-events: none;
  }
  .contact .section-title { color: white; }
  .contact .section-eyebrow { color: var(--color-accent-light); }
  .contact .section-divider { background: var(--color-accent-light); }
  .contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
  }
  .contact-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 32px 28px;
    backdrop-filter: blur(8px);
    transition: all 0.3s;
  }
  .contact-card:hover {
    background: rgba(255,255,255,0.07);
    border-color: var(--color-accent-light);
    transform: translateY(-4px);
  }
  .contact-card .role-label {
    font-family: var(--display);
    font-style: italic;
    color: var(--color-accent-light);
    font-size: 14px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .contact-card h4 {
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 6px;
  }
  .contact-card .position {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .contact-card .info {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    word-break: break-all;
    line-height: 1.6;
  }
  .contact-card .info a:hover { color: var(--color-accent-light); }

  /* ============ FOOTER ============ */
  footer {
    background: #061f2e;
    color: rgba(255,255,255,0.7);
    padding: 60px 0 30px;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 56px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
  }
  .footer-brand .logo-mark { width: 42px; height: 42px; font-size: 18px; }
  .footer-brand-text {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 18px;
    color: white;
  }
  .footer-brand-text small {
    display: block;
    font-family: var(--display);
    font-style: italic;
    font-size: 11px;
    color: var(--color-accent-light);
    letter-spacing: 0.15em;
    font-weight: 400;
    margin-top: 2px;
  }
  .footer-desc { font-size: 13.5px; line-height: 1.7; max-width: 380px; }
  .footer-col h5 {
    font-family: var(--display);
    font-style: italic;
    color: var(--color-accent-light);
    font-size: 14px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 18px;
  }
  .footer-col ul li {
    margin-bottom: 10px;
    font-size: 13.5px;
  }
  .footer-col ul li a:hover { color: var(--color-accent-light); }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    flex-wrap: wrap;
    gap: 20px;
  }
  .copyright {
    font-size: 12.5px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.04em;
  }
  .copyright em { font-family: var(--display); font-style: italic; color: var(--color-accent-light); margin: 0 4px; }
  .socials { display: flex; gap: 12px; }
  .social {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: grid;
    place-items: center;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    transition: all 0.25s;
  }
  .social:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
    transform: translateY(-2px);
  }

  /* ============ ANIMATIONS ============ */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .fade-up {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
  }
  .hero-eyebrow { animation: fadeUp 0.8s 0.1s ease forwards; opacity: 0; }
  .hero h1 { animation: fadeUp 0.8s 0.25s ease forwards; opacity: 0; }
  .hero p { animation: fadeUp 0.8s 0.4s ease forwards; opacity: 0; }
  .hero-meta { animation: fadeUp 0.8s 0.55s ease forwards; opacity: 0; }

  /* ============ RESPONSIVE ============ */
  @media (max-width: 968px) {
    nav.main-nav { display: none; }
    .topbar-left span:nth-child(2) { display: none; }
    .two-col, .membership-wrap, .guidebook-wrap { grid-template-columns: 1fr; gap: 32px; }
    .clinic-grid, .seminar-list { grid-template-columns: 1fr; }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .officer-grid { grid-template-columns: 1fr; }
    .vendor-list { grid-template-columns: 1fr; }
    .hero { padding: 70px 0 80px; }
    section.block { padding: 70px 0; }
    .guidebook-visual { height: 360px; }
    .book-stack { width: 220px; height: 300px; }
  }
  @media (max-width: 560px) {
    .container { padding: 0 20px; }
    .partners-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-meta { flex-wrap: wrap; gap: 24px; }
    .topbar { font-size: 12px; }
    .topbar-left { gap: 12px; }
    .card, .officers, .clinic-card, .membership-card { padding: 32px 24px; }
  }

/* ============================================================
   폼 추가 스타일 (register.php / thanks.php)
   ============================================================ */
  .page-hero {
    background: linear-gradient(135deg, rgba(10,77,104,0.92) 0%, rgba(6,56,80,0.95) 100%);
    color: white;
    padding: 70px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(45deg, transparent, transparent 60px, rgba(255,255,255,0.02) 60px, rgba(255,255,255,0.02) 61px);
  }
  .page-hero .eyebrow {
    font-family: var(--display);
    font-style: italic;
    color: var(--color-accent-light);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 14px;
  }
  .page-hero h1 {
    font-family: var(--serif);
    font-size: clamp(32px, 4.5vw, 48px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }
  .page-hero p {
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto;
    font-size: 16px;
  }

  .form-wrap {
    max-width: 760px;
    margin: 0 auto;
  }
  .form-card {
    background: var(--color-white);
    padding: 56px 52px;
    border: 1px solid var(--color-line-soft);
    position: relative;
  }
  .form-card::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  }
  .form-section { margin-bottom: 44px; }
  .form-section:last-of-type { margin-bottom: 28px; }
  .form-section-title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 18px;
    color: var(--color-primary);
    padding-bottom: 12px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-line);
    display: flex;
    align-items: baseline;
    gap: 12px;
  }
  .form-section-title .num {
    font-family: var(--display);
    font-style: italic;
    color: var(--color-accent);
    font-size: 16px;
  }
  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 24px;
  }
  .form-row { display: flex; flex-direction: column; gap: 8px; }
  .form-row.full { grid-column: 1 / -1; }
  .form-row label {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--color-ink);
    letter-spacing: 0.01em;
  }
  .form-row label .req {
    color: var(--color-accent);
    font-family: var(--display);
    font-style: italic;
    margin-left: 4px;
  }
  .form-row .hint {
    font-size: 12px;
    color: var(--color-ink-soft);
    margin-top: 2px;
  }
  .form-row input,
  .form-row select,
  .form-row textarea {
    width: 100%;
    border: 1px solid var(--color-line);
    background: var(--color-bg);
    padding: 13px 16px;
    font-family: var(--sans);
    font-size: 15px;
    color: var(--color-ink);
    border-radius: 2px;
    transition: all 0.2s;
    outline: none;
  }
  .form-row input:focus,
  .form-row select:focus,
  .form-row textarea:focus {
    background: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10,77,104,0.08);
  }
  .form-row textarea { min-height: 100px; resize: vertical; line-height: 1.6; }

  .agree-box {
    background: var(--color-bg-soft);
    border: 1px solid var(--color-line);
    padding: 22px 24px;
    margin-bottom: 28px;
  }
  .agree-box h5 {
    font-family: var(--serif);
    font-weight: 600;
    color: var(--color-ink);
    font-size: 15px;
    margin-bottom: 10px;
  }
  .agree-box p {
    font-size: 13px;
    color: var(--color-ink-soft);
    line-height: 1.7;
    margin-bottom: 14px;
  }
  .agree-check {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--color-ink);
    font-weight: 500;
    cursor: pointer;
    user-select: none;
  }
  .agree-check input[type=checkbox] {
    width: 18px; height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
  }

  .form-submit {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    padding-top: 28px;
    border-top: 1px solid var(--color-line);
  }
  .form-submit .btn {
    border: none;
    cursor: pointer;
    font-family: var(--sans);
  }
  .form-submit button.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
  }

  .alert {
    padding: 18px 22px;
    margin-bottom: 28px;
    border-left: 4px solid;
    font-size: 14px;
    border-radius: 0 2px 2px 0;
  }
  .alert-error {
    background: #fdf2f2;
    border-color: #c53030;
    color: #742a2a;
  }
  .alert-error ul { margin-left: 18px; }
  .alert-error li { margin: 4px 0; }
  .alert-success {
    background: #f0fdf4;
    border-color: #16a34a;
    color: #14532d;
  }

  .thanks-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 32px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: white;
    font-family: var(--display);
    font-style: italic;
    font-size: 56px;
    box-shadow: 0 12px 30px rgba(10,77,104,0.25);
  }
  .thanks-card {
    text-align: center;
    padding: 60px 50px;
  }
  .thanks-card h2 {
    font-family: var(--serif);
    font-size: 32px;
    color: var(--color-ink);
    margin-bottom: 20px;
    font-weight: 700;
  }
  .thanks-card p {
    color: var(--color-ink-soft);
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 14px;
  }
  .thanks-info {
    background: var(--color-bg-soft);
    border-left: 3px solid var(--color-accent);
    padding: 20px 24px;
    text-align: left;
    margin: 32px 0;
    font-size: 14px;
    color: var(--color-ink);
    line-height: 1.8;
  }
  .thanks-info strong {
    color: var(--color-primary);
    font-family: var(--display);
    font-style: italic;
    margin-right: 6px;
  }

  @media (max-width: 720px) {
    .form-grid { grid-template-columns: 1fr; }
    .form-card, .thanks-card { padding: 36px 28px; }
  }