/* ═══════════════════════════════════════════════════════════
   The Great Indian Society — Main Stylesheet
   Font: DM Sans | Scheme: Black & White | Light + Dark
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=DM+Serif+Display:ital@0;1&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:           #ffffff;
  --bg-2:         #f5f5f5;
  --bg-3:         #ebebeb;
  --fg:           #0a0a0a;
  --fg-2:         #3a3a3a;
  --fg-3:         #787878;
  --border:       #d4d4d4;
  --border-2:     #e8e8e8;
  --accent:       #0a0a0a;
  --accent-inv:   #ffffff;
  --card-bg:      #ffffff;
  --card-shadow:  0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.04);
  --card-shadow-h:0 4px 12px rgba(0,0,0,.14), 0 8px 32px rgba(0,0,0,.08);
  --radius:       12px;
  --radius-sm:    8px;
  --radius-lg:    20px;
  --nav-h:        64px;
  --transition:   .2s cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --bg:           #080808;
  --bg-2:         #111111;
  --bg-3:         #1c1c1c;
  --fg:           #f2f2f2;
  --fg-2:         #b8b8b8;
  --fg-3:         #666666;
  --border:       #282828;
  --border-2:     #1f1f1f;
  --accent:       #f2f2f2;
  --accent-inv:   #080808;
  --card-bg:      #111111;
  --card-shadow:  0 1px 3px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
  --card-shadow-h:0 4px 12px rgba(0,0,0,.6), 0 8px 32px rgba(0,0,0,.4);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Typography ────────────────────────────────────────────── */
.serif { font-family: 'DM Serif Display', serif; }
h1,h2,h3 { font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
.display {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1.05;
  letter-spacing: -.02em;
}

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 clamp(1rem, 4vw, 3rem);
  gap: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
}
.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  letter-spacing: .02em;
  white-space: nowrap;
  display: flex; align-items: center; gap: .5rem;
}
.nav-logo .emblem {
  width: 32px; height: 32px;
  background: var(--fg);
  color: var(--bg);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: .7rem; font-weight: 700;
  font-family: 'DM Sans', sans-serif;
  letter-spacing: .05em;
  flex-shrink: 0;
}
.nav-links {
  display: flex; align-items: center; gap: .25rem;
  flex: 1; list-style: none;
}
.nav-links a {
  padding: .4rem .75rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--fg-2);
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  background: var(--bg-2);
  color: var(--fg);
}
.nav-right { display: flex; align-items: center; gap: .75rem; margin-left: auto; }
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  display: grid; place-items: center;
  font-size: 1rem;
  transition: background var(--transition);
  cursor: pointer;
}
.theme-toggle:hover { background: var(--bg-3); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 600;
  transition: all var(--transition);
  cursor: pointer; white-space: nowrap;
  font-family: inherit;
}
.btn-primary {
  background: var(--fg); color: var(--bg);
  border: 1.5px solid var(--fg);
}
.btn-primary:hover { opacity: .85; transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--fg);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--fg); background: var(--bg-2); }
.btn-sm { padding: .4rem .9rem; font-size: .8rem; }
.btn-lg { padding: .85rem 2rem; font-size: 1rem; border-radius: var(--radius); }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover {
  box-shadow: var(--card-shadow-h);
  transform: translateY(-2px);
  border-color: var(--fg-3);
}

/* ── Layout ────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.container-sm { max-width: 720px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.container-lg { max-width: 1400px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.page-body { padding-top: calc(var(--nav-h) + 2rem); padding-bottom: 4rem; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 39px,
    var(--border-2) 39px,
    var(--border-2) 40px
  ),
  repeating-linear-gradient(
    90deg,
    transparent,
    transparent 39px,
    var(--border-2) 39px,
    var(--border-2) 40px
  );
  opacity: .5;
}
.hero-content { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .75rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--fg-3);
  border: 1px solid var(--border); border-radius: 100px;
  padding: .35rem .9rem; margin-bottom: 2rem;
}
.hero-eyebrow::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--fg); }

/* ── Commons Grid ──────────────────────────────────────────── */
.common-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  display: flex; flex-direction: column; gap: .75rem;
  transition: all var(--transition);
  cursor: pointer; position: relative; overflow: hidden;
}
.common-card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--fg);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  z-index: 0;
}
.common-card:hover::before { transform: scaleY(1); }
.common-card:hover { color: var(--bg); border-color: var(--fg); }
.common-card:hover .common-desc { color: rgba(255,255,255,.7); }
.common-card > * { position: relative; z-index: 1; }
.common-icon { font-size: 2rem; line-height: 1; }
.common-label { font-size: 1.1rem; font-weight: 700; letter-spacing: -.01em; }
.common-desc { font-size: .8rem; color: var(--fg-3); line-height: 1.5; transition: color var(--transition); }

/* ── Membership Card ───────────────────────────────────────── */
.membership-card {
  width: 340px;
  height: 200px;
  background: var(--fg);
  color: var(--bg);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.membership-card::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 140px; height: 140px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.12);
}
.membership-card::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -30px;
  width: 180px; height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.06);
}
.mc-top { display: flex; justify-content: space-between; align-items: flex-start; }
.mc-org { font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; opacity: .6; }
.mc-chip {
  width: 32px; height: 24px;
  background: rgba(255,255,255,.2);
  border-radius: 4px;
}
.mc-name { font-family: 'DM Serif Display', serif; font-size: 1.2rem; }
.mc-bottom { display: flex; justify-content: space-between; align-items: flex-end; }
.mc-id { font-size: .7rem; font-family: 'DM Sans', monospace; opacity: .7; letter-spacing: .05em; }
.mc-badge {
  font-size: .6rem; letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 100px; padding: .2rem .6rem; opacity: .8;
}

/* ── GIFT ──────────────────────────────────────────────────── */
.gift-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--fg); color: var(--bg);
  border-radius: 100px; padding: .3rem .9rem;
  font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}

/* ── Forms ─────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-label { font-size: .8rem; font-weight: 600; color: var(--fg-2); }
.form-input, .form-textarea, .form-select {
  background: var(--bg-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .65rem 1rem;
  font-family: inherit; font-size: .9rem; color: var(--fg);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--fg);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--fg) 12%, transparent);
}
.form-textarea { min-height: 120px; resize: vertical; }

/* ── Tags / Badges ─────────────────────────────────────────── */
.tag {
  display: inline-flex; align-items: center;
  padding: .2rem .6rem;
  border: 1px solid var(--border); border-radius: 100px;
  font-size: .72rem; font-weight: 500; color: var(--fg-2);
}

/* ── Avatar ────────────────────────────────────────────────── */
.avatar {
  border-radius: 50%; background: var(--bg-3);
  display: grid; place-items: center;
  font-weight: 700; color: var(--fg-2);
  overflow: hidden; flex-shrink: 0;
}
.avatar-sm  { width: 32px;  height: 32px;  font-size: .75rem; }
.avatar-md  { width: 48px;  height: 48px;  font-size: 1rem; }
.avatar-lg  { width: 72px;  height: 72px;  font-size: 1.4rem; }
.avatar-xl  { width: 100px; height: 100px; font-size: 2rem; }

/* ── Divider ───────────────────────────────────────────────── */
.divider { height: 1px; background: var(--border); margin: 2rem 0; }

/* ── Alert / Notice ────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem; border-radius: var(--radius-sm);
  font-size: .875rem; display: flex; align-items: center; gap: .5rem;
}
.alert-success { background: #f0faf0; color: #1a6b1a; border: 1px solid #b6dbb6; }
.alert-error   { background: #fdf0f0; color: #7a1a1a; border: 1px solid #e8b6b6; }
[data-theme="dark"] .alert-success { background: #0d1f0d; color: #7dcf7d; border-color: #2a4a2a; }
[data-theme="dark"] .alert-error   { background: #1f0d0d; color: #cf7d7d; border-color: #4a2a2a; }

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem clamp(1rem, 4vw, 3rem);
  margin-top: auto;
  display: flex; flex-direction: column; gap: 1.5rem;
}
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 2rem; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  padding-top: 1.5rem; border-top: 1px solid var(--border-2);
  font-size: .8rem; color: var(--fg-3);
}
.footer-nav { display: flex; gap: 1.5rem; list-style: none; }
.footer-nav a { font-size: .85rem; color: var(--fg-3); transition: color var(--transition); }
.footer-nav a:hover { color: var(--fg); }

/* ── Members Grid ──────────────────────────────────────────── */
.member-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; display: flex; gap: 1rem; align-items: center;
  transition: all var(--transition);
  background: var(--card-bg);
}
.member-card:hover { border-color: var(--fg); background: var(--bg-2); }
.member-info { flex: 1; min-width: 0; }
.member-name { font-weight: 600; font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.member-meta { font-size: .75rem; color: var(--fg-3); }

/* ── Post Card ─────────────────────────────────────────────── */
.post-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; background: var(--card-bg);
  transition: all var(--transition);
}
.post-card:hover { border-color: var(--fg-3); box-shadow: var(--card-shadow-h); }
.post-title { font-size: 1.05rem; font-weight: 600; margin-bottom: .4rem; }
.post-excerpt { font-size: .875rem; color: var(--fg-2); line-height: 1.6; margin-bottom: 1rem; }
.post-meta { display: flex; align-items: center; gap: 1rem; font-size: .75rem; color: var(--fg-3); }

/* ── Section headings ──────────────────────────────────────── */
.section-label {
  font-size: .72rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--fg-3); margin-bottom: .75rem;
}

/* ── Loading spinner ───────────────────────────────────────── */
.spinner {
  width: 24px; height: 24px;
  border: 2.5px solid var(--border);
  border-top-color: var(--fg);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Scroll fade-in ────────────────────────────────────────── */
.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-up.visible { opacity: 1; transform: none; }

/* ── Mobile Nav ────────────────────────────────────────────── */
.nav-hamburger { display: none; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: grid; place-items: center; width: 36px; height: 36px; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 1rem; z-index: 99;
  }
  .membership-card { width: 100%; max-width: 340px; }
}

/* ── Profile page ──────────────────────────────────────────── */
.profile-header {
  display: flex; align-items: flex-end; gap: 1.5rem;
  padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.profile-stats { display: flex; gap: 2rem; margin-top: 1rem; }
.stat { text-align: center; }
.stat-value { font-size: 1.5rem; font-weight: 700; line-height: 1; }
.stat-label { font-size: .72rem; color: var(--fg-3); margin-top: .2rem; }

/* ── Marquee strip ─────────────────────────────────────────── */
.marquee-wrap {
  overflow: hidden; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: .75rem 0; background: var(--bg-2);
}
.marquee-track {
  display: flex; gap: 2rem; width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-wrap:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-item { font-size: .8rem; color: var(--fg-3); white-space: nowrap; display: flex; align-items: center; gap: .5rem; }
.marquee-item::before { content: '◆'; font-size: .4rem; color: var(--fg); }