/*
Theme Name: Tech Investor Society
Theme URI: https://techinvestorsociety.sg
Author: TISS
Description: A private, editorial-style theme for the Tech Investor Society of Singapore. Custom post types for Members, Gallery, and Topics — all manageable from the WordPress dashboard.
Version: 2.5
License: GNU General Public License v2 or later
Text Domain: tiss
*/

:root {
  --bg: #F5F2ED;
  --text: #1A1814;
  --accent: #8B7355;
  --accent-strong: #6B5B43;
  --muted: #4A453C;
  --line: rgba(139,115,85,0.2);
  --card: #EFEBE4;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  min-height: 100vh;
  overflow-x: hidden;
}

/* HEADER */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2.5rem 5vw;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}
.logo-mark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent-strong);
  display: block;
  margin-bottom: 0.15rem;
}
.logo-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
}
.membership-badge {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.5rem 1.2rem;
}

/* HERO */
.hero {
  padding: 9rem 5vw 7rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  animation: fadeUp 1.2s ease forwards 0.2s;
}
.hero-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--accent);
}
.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}
.hero-right { padding-bottom: 0.5rem; }
.hero-desc {
  font-size: 0.9rem;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: var(--muted);
  max-width: 360px;
  margin-bottom: 3rem;
}
.join-line {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.join-btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border: none;
  padding: 1rem 2.5rem;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
  display: inline-block;
  text-decoration: none;
}
.join-btn:hover { background: var(--accent); }
.join-note {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

/* STATS */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
  opacity: 0;
  animation: fadeUp 1.2s ease forwards 0.5s;
}
.stat {
  padding: 3rem 5vw;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--muted);
}

/* TABS */
.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--line);
  padding: 0 5vw;
  opacity: 0;
  animation: fadeUp 1.2s ease forwards 0.7s;
}
.tab-btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: none;
  padding: 1.8rem 2.5rem 1.8rem 0;
  cursor: pointer;
  position: relative;
  transition: color 0.3s;
  margin-right: 2rem;
}
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 0.4s ease;
}
.tab-btn.active { color: var(--text); }
.tab-btn.active::after { width: 100%; }
.tab-btn:hover { color: var(--text); }

.tab-content {
  display: none;
  padding: 5rem 5vw;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
}
.tab-content.active { display: block; }

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
  max-width: 200px;
}

/* MEMBERS */
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
}
.member-card {
  background: var(--bg);
  padding: 2.5rem 2rem;
  transition: background 0.3s;
}
.member-card:hover { background: var(--card); }
.society-role-slot {
  min-height: 1.6rem;
  margin-bottom: 1rem;
}
.society-role-label {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 400;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
  display: inline-block;
  padding-right: 1rem;
}
.member-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.7rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
  color: var(--accent);
  line-height: 1.15;
  letter-spacing: -0.005em;
}
.member-role {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}
.member-focus {
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--muted);
}

/* VIEW ALL BUTTON & LIST VIEW */
.view-all-wrap {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}
.view-all-btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text);
  background: none;
  border: 1px solid var(--text);
  padding: 1rem 2.5rem;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.view-all-btn:hover {
  background: var(--text);
  color: var(--bg);
}

.all-members-preview, .all-members-list {
  transition: opacity 0.4s ease;
}
.all-members-preview.fading-out, .all-members-list.fading-out {
  opacity: 0;
  pointer-events: none;
}

.members-search-wrap {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
}
.members-search {
  flex: 1;
  background: none;
  border: none;
  padding: 0.6rem 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text);
  outline: none;
}
.members-search::placeholder { color: var(--muted); opacity: 0.6; }
.view-cards-btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.view-cards-btn:hover { color: var(--text); }

.members-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.members-list-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.mli-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--accent);
}
.mli-society-role {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-top: 0.25rem;
}
.mli-role {
  font-size: 0.78rem;
  color: var(--text);
  line-height: 1.5;
}
.mli-joined {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.4rem;
}
.members-list-empty {
  font-size: 0.85rem;
  color: var(--muted);
  font-style: italic;
  text-align: center;
  padding: 2rem 0;
}

/* GALLERY */
.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1px;
  background: var(--line);
}
.gallery-item {
  background: var(--card);
  aspect-ratio: 4/3;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: opacity 0.3s;
  background-size: cover;
  background-position: center;
}
.gallery-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(245,242,237,0.95) 0%, rgba(245,242,237,0.6) 30%, rgba(245,242,237,0) 65%);
  z-index: 1;
}
.gallery-item:hover { opacity: 0.85; }
.gallery-item:first-child {
  grid-row: span 2;
  aspect-ratio: unset;
}
.gallery-caption {
  position: relative;
  z-index: 2;
}
.gallery-caption-date {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.7;
  display: block;
  margin-bottom: 0.25rem;
}
.gallery-caption-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
}

/* TOPICS */
.topics-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--line);
}
.topic-item {
  background: var(--bg);
  padding: 2.5rem 3rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s;
}
.topic-item:hover { background: var(--card); }
.topic-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.8rem;
  color: var(--accent-strong);
  display: block;
  margin-bottom: 1rem;
  letter-spacing: 0.2em;
}
.topic-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.topic-meta {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.topic-desc {
  font-size: 0.8rem;
  line-height: 1.85;
  color: var(--muted);
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 5vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
}
.footer-note {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

/* MODAL */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,24,20,0.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg);
  padding: 4rem;
  max-width: 460px;
  width: 90%;
  border: 1px solid var(--line);
  position: relative;
  animation: fadeUp 0.5s ease forwards;
}
.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--muted);
}
.modal-label {
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 2rem;
  display: block;
}
.modal-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 0.75rem;
}
.modal-subtitle {
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 2.5rem;
}
.modal-field { margin-bottom: 1.5rem; }
.modal-field label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.modal-field input {
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text);
  outline: none;
  transition: border-color 0.3s;
}
.modal-field input:focus { border-color: var(--accent); }
.modal-submit {
  width: 100%;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border: none;
  padding: 1.2rem;
  cursor: pointer;
  margin-top: 1rem;
  transition: background 0.3s;
}
.modal-submit:hover { background: var(--accent); }
.modal-success {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--accent);
  margin-top: 1rem;
  display: none;
}
.modal-success.show { display: block; }

/* MEMBERSHIP APPLICATION PAGE */
.membership-form-section {
  padding: 5rem 5vw 6rem;
}
.membership-form-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.membership-form .modal-field { margin-bottom: 2rem; }
.membership-form .modal-field input {
  font-size: 1rem;
  padding: 1rem 0;
}
.membership-form .modal-submit {
  margin-top: 1.5rem;
}
.membership-aside {
  padding-top: 0.5rem;
}
.membership-aside-block {
  margin-bottom: 3rem;
}
.membership-aside-block p {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: 1rem;
}

/* MOBILE ACCORDION HEADERS — hidden on desktop, shown on mobile only */
.mobile-accordion-header {
  display: none;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; padding: 5rem 5vw 4rem; }
  /* Stats — horizontal row on mobile (compact) */
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stat {
    border-right: 1px solid var(--line);
    border-bottom: none;
    padding: 1.4rem 0.6rem;
    text-align: center;
  }
  .stat:last-child { border-right: none; }
  .stat-num { font-size: 2.2rem; }
  .stat-label { font-size: 0.55rem; letter-spacing: 0.2em; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item:first-child { grid-row: span 1; grid-column: span 2; }
  .topics-list { grid-template-columns: 1fr; }
  .hero-desc { max-width: 100%; }
  .site-header { padding: 1.5rem 5vw; }
  .logo-name { font-size: 0.95rem; letter-spacing: 0.1em; }
  .logo-mark { letter-spacing: 0.3em; }
  .members-list-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .members-search-wrap { flex-direction: column; align-items: stretch; gap: 0.8rem; }

  /* Hide desktop tab nav on mobile */
  .tabs-nav { display: none; }

  /* Show accordion headers on mobile */
  .mobile-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5vw;
    border-bottom: 1px solid var(--line);
    cursor: pointer;
    transition: background 0.2s;
  }
  .mobile-accordion-header:hover { background: var(--card); }
  .mah-text { flex: 1; }
  .mah-eyebrow {
    font-size: 0.6rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--accent-strong);
    display: block;
    margin-bottom: 0.3rem;
  }
  .mah-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text);
  }
  .mah-chevron {
    font-size: 0.9rem;
    color: var(--accent);
    transition: transform 0.3s ease;
  }
  .mobile-accordion-header.open .mah-chevron {
    transform: rotate(180deg);
  }

  /* Override desktop tab visibility — accordion controls it on mobile */
  .tab-content {
    display: none !important;
    padding: 2rem 5vw 3rem;
    animation: none;
    opacity: 1;
  }
  .tab-content.mobile-open {
    display: block !important;
  }

  /* Tighten spacing inside expanded sections on mobile */
  .section-label { display: none; }
  .members-grid { grid-template-columns: 1fr; }
  .member-card { padding: 1.5rem 1.2rem; }
  .society-role-slot { min-height: 0; margin-bottom: 0.6rem; }
  .society-role-slot:empty { display: none; }
  .member-name { font-size: 1.5rem; }

  /* Hide hero animation delay on mobile (snappier) */
  .hero, .stats { animation-delay: 0s; }

  /* Membership page: stack form and aside */
  .membership-form-wrap { grid-template-columns: 1fr; gap: 3rem; }
  .membership-form-section { padding: 3rem 5vw 4rem; }
  .membership-hero { padding: 4rem 5vw 3rem; }
}