/* ==========================================================================
   JAFTS (一般社団法人日本機能性繊維科学協会) — style.css
   ========================================================================== */

:root {
  --color-navy: #10263f;
  --color-navy-dark: #0a1a2c;
  --color-navy-soft: #1c3a5e;
  --color-teal: #2e7d6b;
  --color-teal-light: #e6f0ec;
  --color-gold: #b08d57;
  --color-bg: #f8f6f2;
  --color-bg-alt: #ffffff;
  --color-text: #23282d;
  --color-text-mute: #5b6570;
  --color-border: #e3e0d8;
  --max-width: 1120px;
  --radius: 6px;
  --shadow-sm: 0 1px 3px rgba(16, 38, 63, 0.08);
  --shadow-md: 0 8px 24px rgba(16, 38, 63, 0.10);
  --font-serif: "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-navy); text-decoration: none; }
a:hover { color: var(--color-teal); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  line-height: 1.5;
  margin: 0 0 0.6em;
  font-weight: 700;
}

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }
section.tight { padding: 56px 0; }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--color-teal);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.section-head p { color: var(--color-text-mute); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--color-navy);
  color: #fff;
}
.btn-primary:hover { background: var(--color-teal); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn-outline:hover { background: var(--color-navy); color: #fff; }
.btn-gold {
  background: var(--color-gold);
  color: #fff;
}
.btn-gold:hover { background: var(--color-navy); }
.btn-block { display: block; width: 100%; text-align: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-navy);
  font-size: 1.05rem;
}
.brand .mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.brand .name-en {
  display: block;
  font-size: 0.66rem;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--color-text-mute);
  letter-spacing: 0.04em;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a.active { color: var(--color-navy); border-color: var(--color-gold); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.member-link {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--color-navy);
  color: #fff !important;
}
.member-link:hover { background: var(--color-teal); }

/* The member-link duplicated inside .main-nav is a mobile-menu-only control;
   the header-actions copy is the one shown on desktop. */
.main-nav > .member-link { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-navy);
}

/* ---------- Hero ---------- */
.hero {
  background:
    linear-gradient(160deg, rgba(10, 26, 44, 0.92), rgba(16, 38, 63, 0.86)),
    radial-gradient(circle at 80% 20%, rgba(46, 125, 107, 0.35), transparent 55%);
  color: #fff;
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.035) 0 2px, transparent 2px 64px);
  pointer-events: none;
}
.hero .container {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 22px;
}
.hero-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-gold);
}
.hero h1 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  max-width: 780px;
  margin: 0 auto 26px;
}
.hero p.lead {
  color: rgba(255,255,255,0.82);
  max-width: 640px;
  font-size: 1.02rem;
  margin: 0 auto 38px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero-actions .btn-outline { color: #fff; border-color: rgba(255,255,255,0.6); }
.hero-actions .btn-outline:hover { background: #fff; color: var(--color-navy); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 640px;
  width: 100%;
  margin: 56px auto 0;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.18);
  text-align: left;
}
.hero-stats .num {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: #fff;
  display: block;
}
.hero-stats .label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
}

/* ---------- Page header (inner pages) ---------- */
.page-header {
  background: var(--color-navy);
  color: #fff;
  padding: 70px 0 46px;
}
.page-header .eyebrow {
  color: var(--color-gold);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  font-weight: 700;
}
.page-header h1 { color: #fff; margin-top: 12px; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.breadcrumb {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  margin-top: 18px;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  display: block;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card.card-link { color: inherit; }
.card.card-link:hover { color: inherit; }
.card-link-cta {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-teal);
}
.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--color-teal-light);
  color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.3rem;
}
.card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.card p { color: var(--color-text-mute); font-size: 0.94rem; margin-bottom: 0; }

.card-number {
  font-family: var(--font-serif);
  color: var(--color-gold);
  font-size: 1.4rem;
  margin-bottom: 10px;
  display: block;
}

/* ---------- Callout / neutrality banner ---------- */
.callout {
  background: var(--color-teal-light);
  border-left: 4px solid var(--color-teal);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin: 40px 0;
}
.callout h3 { color: var(--color-teal); font-size: 1.05rem; }
.callout p { color: var(--color-text); margin-bottom: 0; font-size: 0.95rem; }

.callout.warn {
  background: #fbf3e8;
  border-left-color: var(--color-gold);
}
.callout.warn h3 { color: #8a6d3b; }

/* ---------- Two-column content ---------- */
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.split img, .split .media-block {
  border-radius: var(--radius);
}
.media-block {
  background: linear-gradient(150deg, var(--color-navy), var(--color-navy-soft));
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-serif);
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
}

/* ---------- Definition / detail list ---------- */
.def-list dt {
  font-weight: 700;
  color: var(--color-navy);
  margin-top: 22px;
  font-size: 0.95rem;
}
.def-list dd { margin: 6px 0 0; color: var(--color-text-mute); }

/* ---------- Fiber mechanism comparison tool ---------- */
.fiber-select-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.fiber-btn {
  text-align: left;
  padding: 18px 18px;
  border-radius: var(--radius);
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
  font-family: var(--font-sans);
}
.fiber-btn:hover { border-color: var(--color-teal); }
.fiber-btn.active {
  border-color: var(--color-navy);
  background: var(--color-teal-light);
}
.fiber-btn .ficon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--color-teal-light);
  color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 1.1rem;
}
.fiber-btn.active .ficon { background: var(--color-navy); color: #fff; }
.fiber-btn .flabel { display: block; font-weight: 700; font-size: 0.92rem; color: var(--color-navy); margin-bottom: 4px; }
.fiber-btn .fsub { font-size: 0.78rem; color: var(--color-text-mute); }

.fiber-panel {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-sm);
}
.fiber-visual-box {
  position: relative;
  background: var(--color-teal-light);
  border-radius: var(--radius);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.fiber-visual-box .skin-layer {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 34px;
  background: #f0d9b5;
  border-top: 1px solid #e3c69a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: #8a6d3b;
}
/* Per-mechanism animated visuals */
.fiber-visual {
  display: none;
  position: absolute;
  inset: 0 0 34px 0;
  align-items: center;
  justify-content: center;
}
.fiber-visual.active { display: flex; }
.fiber-visual svg { width: 20px; height: 20px; }

@keyframes fiberBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes fiberGentleFloat {
  0%, 100% { transform: translateY(0); opacity: 0.85; }
  50% { transform: translateY(-6px); opacity: 1; }
}
@keyframes fiberPulseOpacity {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}
@keyframes fiberPingRing {
  0% { transform: scale(0.6); opacity: 0.5; }
  100% { transform: scale(1.9); opacity: 0; }
}
@keyframes fiberPingRingSlow {
  0% { transform: scale(0.7); opacity: 0.5; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* BULK: trapped air layer with circulating air-flow icons */
.bulk-pocket {
  width: 78%;
  height: 78px;
  border: 3px solid var(--color-navy);
  border-radius: 14px;
  background: rgba(16, 38, 63, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-evenly;
}
.bulk-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fiberBounce 1s ease-in-out infinite;
}

/* MOISTURE: vapor adsorption (float) and transient heat (ping + icon) */
.moisture-row { display: flex; align-items: center; gap: 28px; }
.moisture-vapor {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-teal-light);
  border: 2px solid var(--color-teal);
  color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fiberGentleFloat 2s ease-in-out infinite;
}
.moisture-heat-wrap { position: relative; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; }
.moisture-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-gold);
  opacity: 0.35;
  animation: fiberPingRing 1.6s ease-out infinite;
}
.moisture-heat {
  position: relative;
  z-index: 2;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* CERAMIC: two fibre strands flank a broad, slow radiative ring */
.radiate-wrap-ceramic { display: flex; align-items: center; justify-content: center; gap: 22px; }
.yarn-bar { display: block; flex-shrink: 0; width: 6px; height: 84px; border-radius: 999px; background: var(--color-text-mute); opacity: 0.35; }
.radiate-core { position: relative; width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; }
.radiate-core .radiate-ring.ring-slow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--color-navy);
  animation: fiberPingRingSlow 3s ease-out infinite;
}

/* FIR_RESONANCE: an expanding ping ring plus a steady pulsing halo (gold, echoing the caution note) */
.radiate-wrap { position: relative; width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; }
.radiate-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}
#visual-FIR_RESONANCE .radiate-icon { background: var(--color-gold); }
.radiate-ring.ring-ping {
  position: absolute;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 3px solid var(--color-gold);
  animation: fiberPingRing 2s ease-out infinite;
}
.radiate-ring.ring-pulse {
  position: absolute;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 2px solid var(--color-gold);
  animation: fiberPulseOpacity 1.6s ease-in-out infinite;
}
.fiber-detail h3 { font-size: 1.15rem; margin-bottom: 10px; }
.fiber-detail-box {
  background: var(--color-bg);
  border-left: 3px solid var(--color-teal);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-top: 14px;
}
.fiber-detail-box h4 {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
  font-family: var(--font-sans);
}
.fiber-detail-box p { font-size: 0.9rem; margin-bottom: 0; color: var(--color-text); }
.fiber-detail-box.caution { border-left-color: var(--color-gold); background: #fbf3e8; }

@media (max-width: 900px) {
  .fiber-select-grid { grid-template-columns: repeat(2, 1fr); }
  .fiber-panel { grid-template-columns: 1fr; }
}

/* ---------- Gojuon index (member directory) ---------- */
.gojuon-index {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 820px;
  margin: 0 auto;
}
.gojuon-index span {
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--color-teal-light);
  color: var(--color-teal);
  font-size: 0.82rem;
  font-weight: 700;
}

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--color-border); }
table { width: 100%; border-collapse: collapse; background: var(--color-bg-alt); font-size: 0.94rem; }
table th, table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--color-border); }
table th { background: var(--color-navy); color: #fff; font-weight: 600; white-space: nowrap; }
table tr:last-child td { border-bottom: none; }
table td.num { font-family: var(--font-serif); color: var(--color-navy); font-weight: 700; white-space: nowrap; }

/* ---------- Officers ---------- */
.officer-card {
  display: flex;
  gap: 20px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
}
.officer-photo {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: var(--color-navy-soft);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.3rem;
}
.officer-role {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-teal);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  display: block;
}
.officer-name { font-family: var(--font-serif); font-size: 1.1rem; color: var(--color-navy); margin-bottom: 6px; }
.officer-bio { font-size: 0.88rem; color: var(--color-text-mute); margin-bottom: 0; }

/* ---------- Steps ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: 22px;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 56px;
  min-height: 40px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
}
.steps strong { display: block; color: var(--color-navy); margin-bottom: 4px; }
.steps span { color: var(--color-text-mute); font-size: 0.92rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--color-navy);
  color: #fff;
  text-align: center;
  padding: 72px 0;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto 32px; }

/* ---------- Forms ---------- */
.form-grid { display: grid; gap: 20px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
label { display: block; font-size: 0.86rem; font-weight: 700; color: var(--color-navy); margin-bottom: 8px; }
label .req { color: #c0392b; font-weight: 700; margin-left: 4px; font-size: 0.8rem; }
input[type="text"], input[type="email"], input[type="tel"], input[type="password"], select, textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background: #fff;
  color: var(--color-text);
}
textarea { resize: vertical; min-height: 140px; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(46,125,107,0.15);
}
.form-note { font-size: 0.82rem; color: var(--color-text-mute); margin-top: -6px; }
.form-status {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: none;
}
.form-status.show { display: block; }
.form-status.ok { background: var(--color-teal-light); color: var(--color-teal); }
.form-status.err { background: #fdecea; color: #c0392b; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-navy);
  background-image: radial-gradient(circle at 25% 15%, rgba(46,125,107,0.25), transparent 50%);
  padding: 60px 20px;
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 10px;
  padding: 44px 38px;
  box-shadow: var(--shadow-md);
}
.login-card .mark {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--color-navy); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-weight: 700;
  margin: 0 auto 20px;
}
.login-card h1 { text-align: center; font-size: 1.3rem; margin-bottom: 6px; }
.login-card .sub { text-align: center; color: var(--color-text-mute); font-size: 0.88rem; margin-bottom: 28px; }
.login-error {
  display: none;
  background: #fdecea;
  color: #c0392b;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.86rem;
  margin-bottom: 18px;
}
.login-error.show { display: block; }
.login-hint {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-mute);
  text-align: center;
}

/* ---------- Members area ---------- */
.member-topbar {
  background: var(--color-navy-dark);
  color: #fff;
  font-size: 0.85rem;
}
.member-topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 44px;
}
.member-topbar a { color: rgba(255,255,255,0.8); }
.member-topbar a:hover { color: #fff; }
.doc-list { list-style: none; margin: 0; padding: 0; }
.doc-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 12px;
}
.doc-list .doc-icon {
  width: 38px; height: 38px; border-radius: 8px;
  background: var(--color-teal-light); color: var(--color-teal);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 1.1rem;
}
.doc-list .doc-meta { flex: 1; }
.doc-list .doc-title { font-weight: 700; color: var(--color-navy); font-size: 0.95rem; }
.doc-list .doc-sub { font-size: 0.8rem; color: var(--color-text-mute); }
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--color-teal-light);
  color: var(--color-teal);
}
.badge.gold { background: #fbf3e8; color: #8a6d3b; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 28px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-grid h4 { color: #fff; font-size: 0.85rem; letter-spacing: 0.04em; margin-bottom: 18px; font-family: var(--font-sans); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: rgba(255,255,255,0.65); }
.footer-grid a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand .mark {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.1); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-weight: 700; font-size: 0.8rem;
}
.footer-brand strong { color: #fff; font-family: var(--font-serif); font-size: 1rem; display: block; }
.footer-brand span { font-size: 0.72rem; color: rgba(255,255,255,0.5); }
.footer-desc { max-width: 280px; font-size: 0.86rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .member-link { display: none; }

  body.nav-open .main-nav {
    display: block;
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--color-bg);
    padding: 30px 24px;
    z-index: 190;
    overflow-y: auto;
  }
  body.nav-open .main-nav ul { flex-direction: column; gap: 6px; }
  body.nav-open .main-nav a { display: block; padding: 14px 4px; font-size: 1.05rem; border-bottom: 1px solid var(--color-border); }
  body.nav-open .main-nav > .member-link { display: inline-block; margin-top: 16px; text-align: center; border-bottom: none; }

  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .hero { padding: 90px 0 70px; }
  section { padding: 60px 0; }
  .form-row-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; }
  .officer-card { flex-direction: column; }
}

@media (max-width: 480px) {
  .brand .name-en { display: none; }
  .brand { font-size: 0.92rem; }
}