/* RAMA G7 Club editorial site stylesheet.
   Built from RAMA G7 Design System.
   Author: Smart, RAMA G7 */

:root {
  --ink:         #030F27;
  --paper:       #F4EFE6;
  --paper-warm:  #EDE6D6;
  --white:       #FFFFFF;
  --accent:      #14B59D;
  --accent-deep: #0E8A78;
  --rule:        #DCD4C2;
  --muted:       #5C6675;
  --muted-soft:  #9AA0AB;
  --shadow-sm:   0 1px 0 rgba(3, 15, 39, 0.06);

  --font-display:  "DM Sans", "IBM Plex Sans Thai", system-ui, sans-serif;
  --font-body:     "DM Sans", "IBM Plex Sans Thai", system-ui, sans-serif;
  --font-ui:       "DM Sans", "IBM Plex Sans Thai", system-ui, sans-serif;
  --font-thai:     "IBM Plex Sans Thai", "DM Sans", system-ui, sans-serif;
  --font-wordmark: "Space Grotesk", "DM Sans", system-ui, sans-serif;
  --font-mono:     "IBM Plex Mono", ui-monospace, monospace;

  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;
  --s-9: 6rem;

  --content-max: 68ch;
  --page-max: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  font-feature-settings: "kern", "liga", "onum";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.01 0 0 0 0 0.06 0 0 0 0 0.16 0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  z-index: 1;
}

main, header, footer { position: relative; z-index: 2; }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--s-5); }
h2 { font-size: 1.6rem; margin-top: var(--s-7); margin-bottom: var(--s-4); }
h3 { font-size: 1.25rem; margin-top: var(--s-6); margin-bottom: var(--s-3); }

p { margin-bottom: var(--s-4); }

a {
  color: var(--accent-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 138, 120, 0.35);
  transition: border-color 120ms ease, color 120ms ease;
}
a:hover { color: var(--ink); border-bottom-color: var(--ink); }

strong { font-weight: 600; }
em { font-style: italic; }

blockquote {
  margin: var(--s-6) var(--s-5);
  padding-left: var(--s-4);
  border-left: 2px solid var(--accent);
  font-style: italic;
  color: var(--ink);
}

code, pre { font-family: var(--font-mono); font-size: 0.92em; }
code {
  background: var(--paper-warm);
  padding: 0.1em 0.3em;
  border-radius: 2px;
}
pre {
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-4);
  overflow-x: auto;
  margin: var(--s-5) 0;
  font-size: 0.85em;
  border-radius: 0;
}

hr {
  border: 0;
  height: 1px;
  background: var(--rule);
  margin: var(--s-7) 0;
}

ul, ol { margin: var(--s-4) 0 var(--s-4) var(--s-6); }
li { margin-bottom: var(--s-2); }

.smallcaps {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Masthead (slim) ---------- */

.masthead {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid rgba(20, 181, 157, 0.3);
}

.masthead-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding: 14px 32px;
}

.masthead-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: nowrap;
  min-width: 0;
}

.masthead-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  border: 0;
}

.masthead-mark img {
  height: 30px;
  width: auto;
  display: block;
  opacity: 0.9;
}

.masthead-wordmark {
  display: flex;
  align-items: baseline;
  gap: 4px;
  line-height: 1;
}

.masthead-wordmark span {
  font-family: var(--font-wordmark);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper);
  line-height: 1;
}

.masthead-wordmark .accent { color: var(--accent); }

.masthead-tagline {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--muted-soft);
  font-weight: 400;
  white-space: nowrap;
  border-bottom: 0;
}

nav.masthead-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-family: var(--font-ui);
}

nav.masthead-nav a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 0;
  opacity: 0.6;
  transition: color 120ms ease, opacity 120ms ease;
}
nav.masthead-nav a:hover { opacity: 1; color: var(--accent); }
nav.masthead-nav a.active { color: var(--accent); opacity: 1; }

/* ---------- Layout ---------- */

main { padding: 0; }

.page {
  max-width: var(--page-max);
  margin: 0 auto;
}

.article {
  max-width: var(--content-max);
  margin: 0 auto;
}

/* ---------- Hero (index page) ---------- */

.hero {
  background: var(--ink);
  position: relative;
  overflow: hidden;
}

.hero-stars {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    radial-gradient(circle at 18% 42%, rgba(20, 181, 157, 0.09) 0%, transparent 48%),
    radial-gradient(circle at 76% 52%, rgba(24, 119, 242, 0.08) 0%, transparent 44%),
    radial-gradient(1px 1px at 8% 12%,  rgba(255, 255, 255, 0.75) 0%, transparent 100%),
    radial-gradient(1px 1px at 22% 7%,  rgba(255, 255, 255, 0.55) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 38% 19%, rgba(255, 255, 255, 0.85) 0%, transparent 100%),
    radial-gradient(1px 1px at 52% 4%,  rgba(255, 255, 255, 0.65) 0%, transparent 100%),
    radial-gradient(1px 1px at 67% 16%, rgba(255, 255, 255, 0.55) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 83% 9%,  rgba(255, 255, 255, 0.75) 0%, transparent 100%),
    radial-gradient(1px 1px at 58% 28%, rgba(255, 255, 255, 0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 29% 46%, rgba(255, 255, 255, 0.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 91% 43%, rgba(255, 255, 255, 0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 74% 35%, rgba(255, 255, 255, 0.4) 0%, transparent 100%);
}

.hero-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 48px 32px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.hero-text { flex: 1 1 360px; min-width: 0; }

.hero-wordmark {
  font-family: var(--font-wordmark);
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
  line-height: 1;
  margin-bottom: 10px;
}
.hero-wordmark .accent { color: var(--accent); }

.hero-headline {
  font-family: var(--font-thai);
  font-size: clamp(1.1rem, 2.2vw, 1.7rem);
  font-weight: 600;
  color: var(--paper);
  line-height: 1.35;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-family: var(--font-thai);
  font-size: clamp(0.82rem, 1.3vw, 0.98rem);
  color: rgba(244, 239, 230, 0.62);
  line-height: 1.9;
  font-weight: 300;
  max-width: 42ch;
  margin: 0;
}
.hero-desc .accent { color: var(--accent); font-weight: 500; }

.hero-robots {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex: 0 0 auto;
}

.hero-robot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  border-bottom: 0;
  cursor: pointer;
}

.hero-robot svg {
  filter: drop-shadow(0 2px 12px rgba(20, 181, 157, 0.27));
  transition: transform 350ms cubic-bezier(0.2, 0.7, 0.2, 1), filter 200ms ease;
  animation: robotFly 4.5s ease-in-out infinite;
  transform-origin: center center;
}
.hero-robot.fb svg { 
  animation: robotFly 5.2s ease-in-out infinite alternate;
  animation-delay: -1.5s; 
}

.hero-robot:hover svg { 
  transform: scale(1.12); 
  animation-play-state: paused;
}
.hero-robot.ig:hover svg { filter: drop-shadow(0 8px 30px rgba(193, 53, 132, 0.8)); }
.hero-robot.fb:hover svg { filter: drop-shadow(0 8px 30px rgba(24, 119, 242, 0.8)); }

.hero-robot span {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 239, 230, 0.4);
  transition: color 160ms ease, transform 350ms ease;
  margin-top: 10px;
}
.hero-robot.ig:hover span { color: #C13584; transform: translateY(5px); }
.hero-robot.fb:hover span { color: #1877F2; transform: translateY(5px); }

@keyframes robotFly {
  /* No longer used for main position, JS handles movement. Kept for slight rotation if needed, but we can remove it entirely */
}

.robot-jet {
  animation: thrust 0.8s ease-in-out infinite alternate;
  transform-origin: top center;
}
@keyframes thrust {
  0% { transform: scaleY(0.9); opacity: 0.8; filter: drop-shadow(0 0 2px rgba(255,255,255,0.5)); }
  100% { transform: scaleY(1.15); opacity: 1; filter: drop-shadow(0 0 8px rgba(255,255,255,0.9)); }
}

.robot-eye {
  animation: expressionEyes 4s infinite;
  transform-origin: center;
}
@keyframes expressionEyes {
  0%, 40% { transform: scaleY(1); }
  42%, 44% { transform: scaleY(0.1); }
  46%, 70% { transform: scaleY(1); }
  75%, 85% { transform: scaleY(0.4) scaleX(1.1); }
  90%, 100% { transform: scaleY(1); }
}

.robot-mouth {
  animation: expressionMouth 5s infinite;
  transform-origin: center;
}
@keyframes expressionMouth {
  0%, 30% { transform: scaleY(1); }
  35%, 60% { transform: scaleY(-0.5); }
  65%, 80% { transform: scaleY(1.5); }
  85%, 100% { transform: scaleY(1); }
}

/* ---------- Section rule ---------- */

.section-rule {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  max-width: var(--content-max);
  margin: 0 auto var(--s-3);
}

.section-rule .label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.section-rule .line {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

/* ---------- Index page (post list) ---------- */

.index-wrap {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 40px 32px 0;
}

.post-list {
  max-width: var(--content-max);
  margin: 0 auto;
}

.post-list-end { height: 1px; background: var(--rule); }

.post-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 130px;
  width: 100%;
  border-top: 1px solid var(--rule);
  text-decoration: none;
  border-bottom: 0;
  color: var(--ink);
  transition: background 160ms ease;
  overflow: hidden;
}
.post-card:hover { background: rgba(20, 181, 157, 0.04); }
.post-card:hover .post-card-title { color: var(--accent-deep); }

.post-card-content {
  padding: 18px 16px 18px 4px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.post-card-toprow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.post-card-num {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--muted-soft);
  font-weight: 500;
}

.post-card-dot { color: var(--rule); font-size: 0.7rem; }

.post-card-meta {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.post-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 6px;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color 120ms ease;
}

.post-card-summary {
  font-family: var(--font-thai);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

.post-card-author {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  color: var(--muted-soft);
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.post-card-thumb {
  position: relative;
  overflow: hidden;
  min-height: 120px;
}
.post-card-thumb-grad {
  width: 100%;
  height: 100%;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.post-card-thumb-grad.t0 { background: linear-gradient(135deg, #1a1a2e 0%, #3a3a5c 40%, #6a6a9a 100%); }
.post-card-thumb-grad.t1 { background: linear-gradient(135deg, #0d3b2e 0%, #0E8A78 60%, #14B59D 100%); }
.post-card-thumb-grad.t2 { background: linear-gradient(135deg, #1a0d2e 0%, #4a1a6a 60%, #7a3a9a 100%); }
.post-card-thumb-fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--paper) 0%, transparent 45%);
}

/* ---------- Tag pills ---------- */

.tag {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 2px;
}
.tag-default     { background: rgba(3, 15, 39, 0.08);   color: var(--muted); }
.tag-radiology   { background: rgba(99, 102, 241, 0.12); color: #4338ca; }
.tag-ai          { background: rgba(20, 181, 157, 0.12); color: var(--accent-deep); }
.tag-law         { background: rgba(245, 158, 11, 0.12); color: #b45309; }
.tag-nlp         { background: rgba(236, 72, 153, 0.12); color: #be185d; }
.tag-clinical    { background: rgba(59, 130, 246, 0.12); color: #1d4ed8; }

/* ---------- Article page ---------- */

.article-wrap {
  padding: 48px 32px 96px;
}

.article-back {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-bottom: 0;
  margin-bottom: var(--s-5);
}
.article-back:hover { color: var(--ink); }

.article-banner {
  width: 100%;
  height: 220px;
  margin-bottom: 28px;
  overflow: hidden;
  position: relative;
}
.article-banner-grad {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0d1f3c 0%, #0E8A78 55%, #14B59D 100%);
}
.article-banner-fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, var(--paper) 100%);
}

.article-header {
  max-width: var(--content-max);
  margin: 0 auto var(--s-5);
  padding-bottom: var(--s-4);
}

.article-meta {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--s-4);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.article-meta .dot { color: var(--muted-soft); }

.article-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.article-lede {
  font-family: var(--font-thai);
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 0;
}

.article-byline {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink);
  margin-top: 14px;
  margin-bottom: 0;
}
.article-byline .author-name { font-weight: 600; }

.article-body {
  max-width: var(--content-max);
  margin: 0 auto;
  font-family: var(--font-thai);
  font-size: 1.05rem;
  line-height: 1.75;
}
.article-body p { margin-bottom: var(--s-4); }
.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  border-top: 1px solid var(--rule);
  padding-top: var(--s-5);
  margin-top: var(--s-7);
  margin-bottom: var(--s-4);
  letter-spacing: -0.01em;
}
.article-body img { max-width: 100%; height: auto; margin: var(--s-5) 0; }

/* References (Vancouver) */
.references {
  max-width: var(--content-max);
  margin: var(--s-8) auto var(--s-7);
  padding-top: var(--s-5);
  border-top: 2px solid var(--ink);
  font-size: 0.9rem;
  line-height: 1.55;
  font-family: var(--font-thai);
}
.references h3 {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: var(--s-4);
}
.references ol { margin-left: var(--s-5); }
.references li { margin-bottom: var(--s-3); color: var(--muted); font-size: 0.88rem; }
.references li::marker { color: var(--ink); font-weight: 600; }

/* Inline citation pills */
sup.cite {
  font-size: 0.7em;
  line-height: 0;
  vertical-align: super;
}
sup.cite a {
  border-bottom: 0;
  color: var(--accent-deep);
  font-weight: 600;
  padding: 0 0.15em;
}
sup.cite a:hover { color: var(--ink); }

/* ---------- Static pages (about / join) ---------- */

.static-wrap { padding: 56px 32px 96px; }

.static-page {
  max-width: var(--content-max);
  margin: 0 auto;
}
.static-page h1 { margin-bottom: var(--s-5); }

.static-page .lede {
  font-family: var(--font-thai);
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--muted);
  font-style: italic;
  margin-bottom: var(--s-6);
}

.static-page p,
.static-page li { font-family: var(--font-thai); }

/* ---------- Members grid ---------- */

.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  margin-top: var(--s-5);
}

.member-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--paper-warm);
  overflow: hidden;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  border-bottom: 1px solid var(--rule);
}
.member-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(3, 15, 39, 0.08);
}

.member-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #0d3b2e 0%, #0E8A78 60%, #14B59D 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.member-initials {
  font-family: var(--font-wordmark);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(244, 239, 230, 0.6);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.member-body { padding: 16px 18px 20px; }

.member-nick {
  font-family: var(--font-thai);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 2px;
}

.member-name {
  font-family: var(--font-thai);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 4px;
}

.member-role {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 600;
  margin-bottom: 8px;
}

.member-interests {
  font-family: var(--font-thai);
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- Member profile page ---------- */

.member-profile { max-width: var(--content-max); margin: 0 auto; }

.member-profile-head {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: center;
  margin: var(--s-4) 0 var(--s-6);
  padding-bottom: var(--s-5);
  border-bottom: 1px solid var(--rule);
}

.member-profile-photo {
  width: 160px;
  height: 160px;
  background: linear-gradient(135deg, #0d3b2e 0%, #0E8A78 60%, #14B59D 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.member-profile-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.member-profile-nick {
  font-family: var(--font-thai);
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.member-profile-info h1 {
  font-family: var(--font-thai);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}
.member-profile-role {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 600;
  margin-bottom: 0;
}

.member-posts { list-style: none; margin-left: 0; }
.member-posts li {
  border-top: 1px solid var(--rule);
  padding: 12px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 0;
}
.member-posts li:last-child { border-bottom: 1px solid var(--rule); }
.member-posts a { border-bottom: 0; flex: 1; }
.member-post-date {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-soft);
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .member-profile-head { grid-template-columns: 1fr; }
  .member-profile-photo { width: 120px; height: 120px; }
}

/* ---------- Author bio (end of article) ---------- */

.author-bio {
  max-width: var(--content-max);
  margin: var(--s-7) auto 0;
  padding-top: var(--s-5);
  border-top: 1px solid var(--rule);
}

.author-bio-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--s-4);
}

.author-bio-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  align-items: center;
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  padding: 20px;
}

.author-bio-photo {
  width: 96px;
  height: 96px;
  background: linear-gradient(135deg, #0d3b2e 0%, #0E8A78 60%, #14B59D 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.author-bio-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.author-bio-photo .member-initials { font-size: 1.6rem; }

.author-bio-body { min-width: 0; }

.author-bio-nick {
  font-family: var(--font-thai);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 2px;
}

.author-bio-name {
  display: block;
  font-family: var(--font-thai);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 0;
  margin-bottom: 4px;
}
.author-bio-name:hover { color: var(--accent-deep); }

.author-bio-role {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 600;
  margin-bottom: 6px;
}

.author-bio-interests {
  font-family: var(--font-thai);
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.author-bio-email {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--accent-deep);
}

@media (max-width: 720px) {
  .author-bio-card { grid-template-columns: 72px 1fr; padding: 16px; gap: 14px; }
  .author-bio-photo { width: 72px; height: 72px; }
}

/* Form (join page) */
.form { display: flex; flex-direction: column; gap: 18px; max-width: 52ch; }

.form-row { display: flex; flex-direction: column; gap: 6px; }

.form-row label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-row input,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 10px 14px;
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  border-radius: 0;
  color: var(--ink);
  outline: none;
  transition: border-color 120ms ease;
}
.form-row input:focus,
.form-row textarea:focus { border-color: var(--accent); }
.form-row textarea { resize: vertical; min-height: 120px; }

.btn {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 13px 28px;
  cursor: pointer;
  align-self: flex-start;
  transition: background 160ms ease;
  text-decoration: none;
  display: inline-block;
  border-bottom: 0;
}
.btn:hover { background: var(--accent-deep); color: var(--paper); border-bottom: 0; }

/* ---------- Footer ---------- */

footer {
  background: var(--ink);
  color: var(--muted-soft);
  padding: 48px 32px 24px;
  margin-top: 72px;
  font-size: 0.85rem;
  font-family: var(--font-ui);
}

footer .footer-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

footer h4 {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
  font-weight: 500;
  margin-bottom: 10px;
}

footer .footer-desc {
  font-family: var(--font-thai);
  color: var(--muted-soft);
  font-size: 0.82rem;
  line-height: 1.6;
}

footer a {
  color: var(--muted-soft);
  border-bottom: 0;
  display: block;
  margin-bottom: 6px;
  font-size: 0.82rem;
}
footer a:hover { color: var(--accent); }

footer .footer-meta {
  max-width: var(--page-max);
  margin: 20px auto 0;
  padding-top: 14px;
  border-top: 1px solid rgba(244, 239, 230, 0.08);
  font-size: 0.72rem;
  text-align: center;
  color: var(--muted-soft);
}

/* ---------- Mobile ---------- */

@media (max-width: 720px) {
  body { font-size: 17px; }

  .masthead-inner { padding: 12px 20px; gap: 12px; }
  .masthead-tagline { display: none; }
  nav.masthead-nav { gap: 18px; }

  .hero-inner {
    padding: 36px 20px 40px;
  }
  .hero-robots {
    width: 100%;
    justify-content: center;
  }
  .hero-robot svg { transform-origin: bottom center; }

  .index-wrap { padding: 32px 20px 0; }
  .static-wrap { padding: 40px 20px 64px; }
  .article-wrap { padding: 32px 20px 72px; }

  .post-card { grid-template-columns: 1fr 90px; }
  .post-card-thumb, .post-card-thumb-grad { min-height: 100px; }

  footer .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Entrance animation ---------- */

.fade-up {
  opacity: 0;
  transform: translateY(8px);
  animation: fadeUp 480ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}
.fade-up:nth-child(2) { animation-delay: 80ms; }
.fade-up:nth-child(3) { animation-delay: 160ms; }
.fade-up:nth-child(4) { animation-delay: 240ms; }
.fade-up:nth-child(5) { animation-delay: 320ms; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .fade-up, .hero-robot svg { animation: none; opacity: 1; transform: none; }
}