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

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

:root {
  --pink: #FF2D78;
  --pink-dark: #d41f5e;
  --black: #0a0a0a;
  --dark: #141414;
  --card: #1c1c1c;
  --border: #2a2a2a;
  --gray: #555;
  --muted: #888;
  --white: #ffffff;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }

/* ── UTILITIES ── */
.pink { color: var(--pink); }
.italic { font-style: italic; }
.serif { font-family: var(--font-serif); }
.text-center { text-align: center; }
.text-muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
}
.btn:active { transform: scale(0.98); }

.btn-pink {
  background: var(--pink);
  color: var(--white);
}
.btn-pink:hover { background: var(--pink-dark); }

.btn-outline {
  background: transparent;
  color: var(--pink);
  border: 2px solid var(--pink);
}
.btn-outline:hover { background: var(--pink); color: var(--white); }

.btn-full { width: 100%; }

/* ── NAV ── */
.site-nav {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
}
.site-nav.static-nav {
  position: relative;
  background: var(--dark);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  font-style: italic;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo span { color: var(--pink); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }

.nav-cta { flex-shrink: 0; }
.nav-cta .btn { padding: 10px 22px; font-size: 13px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--white);
}
.nav-toggle svg { display: block; }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.png');
  background-size: cover;
  background-position: center top;
  filter: brightness(0.7);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,10,10,0.7) 0%, rgba(10,10,10,0.2) 50%, rgba(10,10,10,0.55) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 120px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 60px;
  align-items: center;
}

.hero-headline {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero-headline em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--pink);
}

.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  max-width: 480px;
  margin-bottom: 12px;
}
.hero-tagline {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 36px;
}

.hero-cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.hero-cta-note {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}

/* ── JOIN FORM CARD ── */
.join-card {
  background: rgba(20,20,20,0.92);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
  backdrop-filter: blur(12px);
}

.join-card-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.form-group input,
.form-group select {
  width: 100%;
  background: #111;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 11px 14px;
  color: var(--white);
  font-size: 14px;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--pink);
}
.form-group input::placeholder { color: var(--gray); }

.password-wrap { position: relative; }
.password-wrap input { padding-right: 44px; }
.toggle-pw {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  padding: 4px;
}
.toggle-pw:hover { color: var(--white); }

.join-card .btn { margin-top: 8px; }

.privacy-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
}

/* ── PILLARS ── */
.pillars {
  background: var(--dark);
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.pillar-icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.9;
}

.pillar-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 8px;
}

.pillar-text {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── FEATURES SECTION ── */
.features {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 16px;
}

.section-headline {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
}
.section-headline em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--pink);
}

.section-body {
  color: rgba(255,255,255,0.7);
  margin-bottom: 12px;
}

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.85);
}
.checklist li::before {
  content: '';
  display: block;
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: var(--pink);
  border-radius: 50%;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='10' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='white' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.features-cta {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.features-cta-note {
  font-size: 13px;
  color: var(--muted);
}
.features-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--pink);
  margin-top: 4px;
}

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  background: var(--dark);
  border-bottom: 1px solid var(--border);
  padding: 56px 0 48px;
}
.page-hero-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 10px;
}
.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 12px;
}
.page-hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--pink);
}
.page-hero p {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
}

/* ── CARDS ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.profile-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer;
}
.profile-card:hover {
  border-color: var(--pink);
  transform: translateY(-2px);
}
.profile-card-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: brightness(0.9);
}
.profile-card-body {
  padding: 16px;
}
.profile-card-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 2px;
}
.profile-card-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}
.profile-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255,45,120,0.12);
  color: var(--pink);
  border: 1px solid rgba(255,45,120,0.25);
  border-radius: 20px;
  padding: 3px 10px;
}

/* ── GRID LAYOUTS ── */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* ── SECTION ── */
.section { padding: 64px 0; }
.section-header { margin-bottom: 40px; }
.section-header h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 700; }

/* ── SEARCH FILTERS ── */
.search-bar-wrap {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 32px;
}
.search-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 12px;
  align-items: end;
}

/* ── MESSAGES ── */
.messages-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  min-height: 520px;
}

.thread-list {
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.thread-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}
.thread-item:hover, .thread-item.active { background: rgba(255,45,120,0.06); }
.thread-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.thread-info { flex: 1; min-width: 0; }
.thread-name { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.thread-preview { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.thread-time { font-size: 11px; color: var(--muted); flex-shrink: 0; }
.unread-dot {
  width: 8px; height: 8px;
  background: var(--pink);
  border-radius: 50%;
  flex-shrink: 0;
}

.chat-pane {
  display: flex;
  flex-direction: column;
  background: var(--black);
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--dark);
}
.chat-header-name { font-weight: 700; }
.chat-header-meta { font-size: 13px; color: var(--muted); }
.chat-header-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255,45,120,0.15);
  color: var(--pink);
  border-radius: 20px;
  padding: 3px 10px;
  margin-left: auto;
}

.chat-messages {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}
.msg { max-width: 70%; }
.msg-text {
  background: var(--card);
  border-radius: 16px;
  padding: 10px 16px;
  font-size: 14px;
  line-height: 1.5;
}
.msg.mine { align-self: flex-end; }
.msg.mine .msg-text { background: var(--pink); }
.msg-time { font-size: 11px; color: var(--muted); margin-top: 4px; }
.msg.mine .msg-time { text-align: right; }

.chat-input-wrap {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--dark);
}
.chat-input {
  flex: 1;
  background: #111;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 10px 18px;
  color: var(--white);
  font-size: 14px;
  resize: none;
  outline: none;
}
.chat-input:focus { border-color: var(--pink); }
.chat-send {
  background: var(--pink);
  color: var(--white);
  border: none;
  border-radius: 50%;
  width: 44px; height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}
.chat-send:hover { background: var(--pink-dark); }

/* ── UPGRADE ── */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 32px;
}
.pricing-card.featured {
  border-color: var(--pink);
  position: relative;
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%; transform: translateX(-50%);
  background: var(--pink);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 20px;
  white-space: nowrap;
}
.pricing-plan { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.pricing-price { font-size: 48px; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.pricing-period { font-size: 14px; color: var(--muted); margin-bottom: 28px; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.pricing-features li {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  padding-left: 24px;
  position: relative;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--pink);
  font-weight: 700;
}
.pricing-features li.disabled { color: var(--gray); }
.pricing-features li.disabled::before { content: '—'; color: var(--gray); }

/* ── ACCORDION (FAQ) ── */
.accordion { display: flex; flex-direction: column; gap: 2px; }
.accordion-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s;
}
.accordion-trigger:hover { color: var(--pink); }
.accordion-trigger svg { flex-shrink: 0; transition: transform 0.25s; }
.accordion-item.open .accordion-trigger svg { transform: rotate(180deg); }
.accordion-body {
  display: none;
  padding: 0 24px 20px;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  line-height: 1.7;
}
.accordion-item.open .accordion-body { display: block; }

/* ── ABOUT ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-img { width: 100%; border-radius: 8px; aspect-ratio: 4/5; object-fit: cover; filter: brightness(0.75) saturate(0.7); }
.about-text p { color: rgba(255,255,255,0.75); margin-bottom: 16px; font-size: 16px; line-height: 1.75; }
.about-values { margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.value-item h4 { font-size: 14px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pink); margin-bottom: 4px; }
.value-item p { font-size: 14px; color: var(--muted); }

/* ── SAFETY PAGE ── */
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 28px; }
.safety-card-icon { font-size: 28px; margin-bottom: 14px; }
.safety-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.safety-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ── PROFILE PAGE ── */
.profile-layout { display: grid; grid-template-columns: 280px 1fr; gap: 32px; align-items: start; }
.profile-sidebar { background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.profile-photo-wrap { position: relative; }
.profile-photo { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.profile-photo-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  transition: opacity 0.2s;
  cursor: pointer;
}
.profile-photo-wrap:hover .profile-photo-overlay { opacity: 1; }
.profile-photo-overlay span { color: var(--white); font-size: 13px; font-weight: 600; }
.profile-sidebar-info { padding: 20px; }
.profile-sidebar-name { font-size: 20px; font-weight: 700; }
.profile-sidebar-meta { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.completeness-bar { background: var(--border); border-radius: 4px; height: 6px; margin: 8px 0 4px; }
.completeness-fill { background: var(--pink); height: 100%; border-radius: 4px; width: 72%; }
.completeness-label { font-size: 12px; color: var(--muted); }

.profile-main { display: flex; flex-direction: column; gap: 24px; }
.profile-section { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 28px; }
.profile-section h3 { font-size: 15px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--pink); margin-bottom: 20px; }
.profile-field { margin-bottom: 16px; }
.profile-field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.profile-field input,
.profile-field select,
.profile-field textarea {
  width: 100%;
  background: #111;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 14px;
  color: var(--white);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}
.profile-field textarea { resize: vertical; min-height: 80px; }
.profile-field input:focus,
.profile-field select:focus,
.profile-field textarea:focus { border-color: var(--pink); }

/* ── MATCHES ── */
.matches-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.match-tab {
  background: none; border: none; color: var(--muted);
  font-family: var(--font-sans); font-size: 14px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 14px 24px; cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}
.match-tab.active { color: var(--pink); border-bottom-color: var(--pink); }
.match-tab:hover { color: var(--white); }

.match-action-btns { display: flex; gap: 12px; margin-top: 10px; }
.btn-sm { padding: 8px 16px; font-size: 12px; }

/* ── NOTICE BANNER ── */
.notice {
  background: rgba(255,45,120,0.08);
  border: 1px solid rgba(255,45,120,0.2);
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.notice-icon { color: var(--pink); flex-shrink: 0; font-size: 16px; }

/* ── FOOTER ── */
.site-footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p { font-size: 14px; color: var(--muted); margin-top: 10px; max-width: 240px; line-height: 1.6; }
.footer-col h4 { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--white); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--muted); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--pink); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer-bottom p { font-size: 13px; color: var(--gray); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 13px; color: var(--gray); transition: color 0.2s; }
.footer-legal a:hover { color: var(--muted); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .join-card { max-width: 400px; }
  .features-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr; gap: 28px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .search-bar-grid { grid-template-columns: 1fr 1fr; }
  .messages-layout { grid-template-columns: 1fr; }
  .thread-list { border-right: none; border-bottom: 1px solid var(--border); max-height: 280px; }
  .about-grid { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .profile-layout { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .mobile-nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--dark);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
    z-index: 99;
  }
}

@media (max-width: 600px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .search-bar-grid { grid-template-columns: 1fr; }
}