/* ─── RESET & BASE ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:       #ffffff;
  --surface:  #f7f8fc;
  --card:     #ffffff;
  --border:   #e8eaf2;
  --accent:   #6c5ce7;
  --accent2:  #4f46e5;
  --grad:     linear-gradient(135deg, #6c5ce7 0%, #4f46e5 100%);
  --text:     #1a1a2e;
  --muted:    #6b7280;
  --sh:       0 2px 12px rgba(0,0,0,.07);
  --sh-lg:    0 8px 32px rgba(0,0,0,.12);
  --radius:   14px;
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
textarea, input { font-family: inherit; outline: none; }
img { max-width: 100%; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 3px; }
.hidden { display: none !important; }

/* ─── SITE HEADER ──────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1160px; margin: 0 auto;
  padding: 0 24px;
  height: 62px;
  display: flex; align-items: center; gap: 24px;
}
.site-logo {
  font-size: 20px; font-weight: 800; letter-spacing: -.4px;
  display: flex; align-items: center; gap: 6px; flex-shrink: 0;
}
.logo-spark { font-size: 22px; }
.header-nav { display: flex; gap: 4px; flex: 1; }
.hn-link {
  padding: 6px 14px; border-radius: 8px;
  font-size: 14px; font-weight: 500; color: var(--muted);
  transition: color .15s, background .15s;
}
.hn-link:hover { color: var(--text); background: var(--surface); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-login {
  padding: 7px 18px; border-radius: 9px;
  border: 1.5px solid var(--border);
  font-size: 14px; font-weight: 500; color: var(--text);
  transition: border-color .15s, background .15s;
}
.btn-login:hover { border-color: var(--accent); background: #f5f3ff; }
.btn-try {
  padding: 8px 20px; border-radius: 9px;
  background: var(--grad); color: #fff;
  font-size: 14px; font-weight: 600;
  transition: opacity .15s, transform .1s; display: inline-block;
}
.btn-try:hover { opacity: .9; transform: translateY(-1px); }
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* ─── HERO ─────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(180deg, #f5f3ff 0%, #ffffff 100%);
  padding: 80px 24px 60px;
  text-align: center;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px;
  background: #fff; border: 1.5px solid #ede9fe;
  font-size: 13px; font-weight: 500; color: var(--accent);
  margin-bottom: 28px;
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; flex-shrink: 0; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }
.hero-title { font-size: clamp(36px,6vw,60px); font-weight: 800; letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 18px; }
.hero-accent { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 17px; color: var(--muted); max-width: 540px; margin: 0 auto 36px; }

/* Hero chat box */
.hero-chat-box {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--sh-lg);
  padding: 16px;
  text-align: left;
}
.hero-input-wrap { display: flex; gap: 10px; align-items: flex-end; }
.hero-input {
  flex: 1; border: none; background: transparent;
  font-size: 15px; color: var(--text); resize: none;
  max-height: 120px; overflow-y: auto;
  line-height: 1.5; padding: 4px 0;
}
.hero-input::placeholder { color: #9ca3af; }
.hero-send-btn {
  width: 42px; height: 42px; flex-shrink: 0;
  background: var(--grad); border-radius: 11px; color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .15s, transform .1s;
}
.hero-send-btn:hover { opacity: .9; transform: scale(1.05); }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.chip {
  padding: 7px 14px; border-radius: 100px;
  background: var(--surface); border: 1.5px solid var(--border);
  font-size: 13px; font-weight: 500; color: var(--text);
  transition: border-color .15s, background .15s; cursor: pointer;
}
.chip:hover { border-color: var(--accent); background: #f5f3ff; color: var(--accent); }

/* ─── OFFER BANNER ─────────────────────────────────────────────────── */
.offer-banner { background: var(--grad); padding: 32px 24px; }
.offer-inner {
  max-width: 900px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center; gap: 0;
  flex-wrap: wrap;
}
.offer-item { display: flex; align-items: center; gap: 12px; padding: 8px 32px; }
.offer-num { font-size: 36px; font-weight: 800; color: #fff; line-height: 1; }
.offer-label { font-size: 14px; color: rgba(255,255,255,.85); max-width: 120px; }
.offer-divider { width: 1px; height: 48px; background: rgba(255,255,255,.25); }

/* ─── SECTIONS ─────────────────────────────────────────────────────── */
.features, .why-section { padding: 80px 24px; }
.features { background: var(--surface); }
.why-section { background: #fff; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-title { font-size: 34px; font-weight: 800; letter-spacing: -.5px; text-align: center; margin-bottom: 10px; }
.section-sub { font-size: 16px; color: var(--muted); text-align: center; margin-bottom: 48px; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.feat-card {
  background: #fff; border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: border-color .2s, box-shadow .2s;
}
.feat-card:hover { border-color: var(--accent); box-shadow: var(--sh); }
.feat-icon { font-size: 32px; margin-bottom: 14px; }
.feat-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feat-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }

.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.why-card { text-align: center; padding: 32px 20px; }
.why-icon { font-size: 40px; margin-bottom: 16px; }
.why-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.why-card p { font-size: 14px; color: var(--muted); }

/* ─── CTA ──────────────────────────────────────────────────────────── */
.cta-section { background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%); padding: 80px 24px; text-align: center; }
.cta-inner { max-width: 600px; margin: 0 auto; }
.cta-section h2 { font-size: 34px; font-weight: 800; letter-spacing: -.5px; margin-bottom: 12px; }
.cta-section p { font-size: 16px; color: var(--muted); margin-bottom: 32px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.btn-try-lg { padding: 14px 32px; font-size: 16px; border-radius: 12px; }
.btn-outline-lg {
  padding: 13px 28px; border-radius: 12px;
  border: 2px solid var(--accent); color: var(--accent);
  font-size: 15px; font-weight: 600; display: inline-block;
  transition: background .15s;
}
.btn-outline-lg:hover { background: #f5f3ff; }
.cta-tg { font-size: 13px; color: var(--muted); }
.cta-tg a { color: var(--accent); font-weight: 500; }

/* ─── FOOTER ───────────────────────────────────────────────────────── */
.site-footer { background: var(--text); padding: 32px 24px; color: rgba(255,255,255,.7); }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer-logo { font-size: 18px; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 6px; flex: 1; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 14px; transition: color .15s; }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 13px; margin-left: auto; }

/* ─── MODALS ───────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,.5); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal {
  background: #fff; border-radius: 20px; padding: 36px 32px;
  max-width: 420px; width: 100%; position: relative; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  box-shadow: var(--sh-lg);
}
.modal-close {
  position: absolute; top: 14px; right: 16px;
  font-size: 18px; color: #9ca3af;
  transition: color .15s;
}
.modal-close:hover { color: var(--text); }
.modal-logo { font-size: 28px; font-weight: 800; display: flex; align-items: center; gap: 7px; }
.modal-title { font-size: 22px; font-weight: 700; }
.modal-desc { font-size: 14px; color: var(--muted); line-height: 1.5; }
.modal-hint { font-size: 13px; color: var(--muted); }
.modal-hint a { color: var(--accent); }
.tg-login-wrap { display: flex; justify-content: center; }
.modal-actions { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.modal-btn-primary {
  padding: 12px; background: var(--grad); color: #fff;
  border-radius: 10px; font-size: 14px; font-weight: 600; border: none; cursor: pointer;
}
.modal-btn-outline {
  padding: 11px; border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 14px; font-weight: 500; display: block; color: var(--text);
  transition: border-color .15s;
}
.modal-btn-outline:hover { border-color: var(--accent); }

/* ─── CHAT LAYOUT ──────────────────────────────────────────────────── */
.chat-layout { display: flex; height: 100vh; overflow: hidden; background: #fff; }

/* Sidebar */
.chat-sidebar {
  width: 268px; min-width: 268px;
  background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 10px;
  padding: 14px 12px; overflow-y: auto;
  transition: transform .25s ease;
}
.cs-header { display: flex; align-items: center; justify-content: space-between; padding: 4px 4px 6px; }
.cs-close { display: none; font-size: 18px; color: var(--muted); padding: 4px; }
.cs-new-btn {
  width: 100%; padding: 10px 14px;
  background: #fff; border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 8px;
  transition: border-color .15s, background .15s;
}
.cs-new-btn:hover { border-color: var(--accent); background: #f5f3ff; }
.cs-plan {
  background: #fff; border: 1.5px solid var(--border); border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.cs-plan-top { display: flex; justify-content: space-between; align-items: center; }
.cs-plan-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; color: var(--accent); }
.cs-upgrade { font-size: 12px; color: var(--accent); font-weight: 500; }
.cs-plan-bar { height: 4px; background: #e5e7eb; border-radius: 2px; overflow: hidden; }
.cs-plan-fill { height: 100%; background: var(--grad); border-radius: 2px; transition: width .4s; }
.cs-plan-count { font-size: 12px; color: var(--muted); }
.cs-sub {
  background: #f0fdf4; border: 1.5px solid #bbf7d0; border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; gap: 10px;
}
.cs-sub-text { font-size: 13px; color: #166534; line-height: 1.5; }
.cs-sub-text a { color: #16a34a; font-weight: 500; }
.cs-check-btn {
  background: #16a34a; color: #fff; border-radius: 8px;
  padding: 8px 12px; font-size: 13px; font-weight: 500;
  transition: opacity .15s;
}
.cs-check-btn:hover { opacity: .9; }
.cs-history { flex: 1; overflow-y: auto; }
.cs-history-title { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); padding: 8px 4px 4px; }
.cs-history-item {
  padding: 8px 10px; border-radius: 8px; font-size: 13px; color: var(--muted);
  cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: background .15s, color .15s;
}
.cs-history-item:hover { background: #fff; color: var(--text); }
.cs-footer {
  border-top: 1px solid var(--border); padding: 10px 4px 0;
  display: flex; align-items: center; gap: 8px;
}
.cs-user { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.cs-avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--grad);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.cs-uname { font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cs-logout { color: var(--muted); padding: 4px; transition: color .15s; }
.cs-logout:hover { color: #ef4444; }
.cs-login-btn {
  width: 100%; padding: 9px 14px;
  background: var(--grad); color: #fff;
  border-radius: 9px; font-size: 13px; font-weight: 600;
  transition: opacity .15s;
}
.cs-login-btn:hover { opacity: .9; }
.overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 80; }
.overlay.active { display: block; }

/* Chat main */
.chat-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.chat-topbar {
  height: 58px; background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 16px; gap: 12px; flex-shrink: 0;
}
.ct-hamburger { display: none; color: var(--text); padding: 4px; }
.ct-logo { font-size: 18px; font-weight: 800; display: flex; align-items: center; gap: 6px; display: none; }
.ct-nav { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.ct-navlink { font-size: 14px; color: var(--muted); font-weight: 500; transition: color .15s; }
.ct-navlink:hover { color: var(--text); }
.ct-avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--grad);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}

/* Messages */
.chat-messages { flex: 1; overflow-y: auto; padding: 24px 16px; display: flex; flex-direction: column; background: #fafafa; }
.chat-welcome {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; gap: 14px; padding: 40px 16px;
}
.cw-icon { font-size: 52px; }
.cw-title { font-size: 30px; font-weight: 800; letter-spacing: -.5px; }
.cw-sub { font-size: 16px; color: var(--muted); }
.cw-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; max-width: 580px; margin-top: 8px; }
.chat-messages-list { display: flex; flex-direction: column; gap: 18px; max-width: 760px; width: 100%; margin: 0 auto; }

/* Message bubbles */
.message { display: flex; gap: 12px; animation: fadeUp .2s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; } }
.msg-avatar {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0; margin-top: 2px;
  display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.msg-avatar.ai { background: var(--grad); color: #fff; }
.msg-avatar.user { background: #f3f4f6; border: 1.5px solid var(--border); }
.msg-content { flex: 1; min-width: 0; }
.msg-name { font-size: 12px; font-weight: 600; margin-bottom: 5px; color: var(--muted); }
.msg-name.ai-name { color: var(--accent); }
.msg-bubble {
  padding: 12px 16px; border-radius: 14px;
  font-size: 15px; line-height: 1.65; word-break: break-word;
}
.message.user .msg-bubble {
  background: var(--grad); color: #fff;
  border-radius: 14px 14px 4px 14px;
}
.message.ai .msg-bubble {
  background: #fff; border: 1.5px solid var(--border);
  border-radius: 14px 14px 14px 4px; color: var(--text);
}
.msg-bubble p { margin-bottom: 8px; }
.msg-bubble p:last-child { margin: 0; }
.msg-bubble pre { background: #f8f9fa; border: 1px solid var(--border); border-radius: 8px; padding: 12px; overflow-x: auto; margin: 8px 0; font-size: 13px; }
.msg-bubble code:not(pre code) { background: #f3f4f6; padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.msg-bubble ul, .msg-bubble ol { padding-left: 20px; margin: 6px 0; }
.msg-bubble li { margin-bottom: 3px; }
.msg-bubble h1,.msg-bubble h2,.msg-bubble h3 { margin: 10px 0 5px; }
.msg-bubble a { color: var(--accent); text-decoration: underline; }
.message.user .msg-bubble a { color: #c4b5fd; }
.message.user .msg-bubble code:not(pre code) { background: rgba(255,255,255,.2); }

/* Typing */
.typing-indicator .msg-bubble { display: flex; align-items: center; gap: 5px; padding: 14px 16px; }
.typing-dot { width: 7px; height: 7px; border-radius: 50%; background: #9ca3af; animation: blink 1.2s infinite; }
.typing-dot:nth-child(2) { animation-delay: .2s; }
.typing-dot:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,80%,100% { opacity: .3; transform: scale(.8); } 40% { opacity: 1; transform: scale(1); } }

/* Input area */
.chat-input-area { padding: 12px 16px 16px; background: #fff; border-top: 1px solid var(--border); flex-shrink: 0; }
.chat-input-box {
  display: flex; align-items: flex-end; gap: 10px;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 14px; padding: 10px 12px;
  max-width: 760px; margin: 0 auto;
  transition: border-color .15s, box-shadow .15s;
}
.chat-input-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,92,231,.1); }
.chat-textarea {
  flex: 1; background: transparent; color: var(--text);
  font-size: 15px; resize: none; max-height: 160px; line-height: 1.5; overflow-y: auto;
}
.chat-textarea::placeholder { color: #9ca3af; }
.chat-send {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--grad); color: #fff; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .15s, transform .1s;
}
.chat-send:hover:not(:disabled) { opacity: .9; transform: scale(1.05); }
.chat-send:disabled { opacity: .35; cursor: not-allowed; }
.chat-input-hint { font-size: 12px; color: #9ca3af; text-align: center; margin-top: 8px; max-width: 760px; margin-left: auto; margin-right: auto; }
#guestLeft { color: var(--accent); font-weight: 600; }

/* ─── PRICING PAGE ──────────────────────────────────────────────────── */
.pricing-page { min-height: 100vh; }
.pricing-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 32px; border-bottom: 1px solid var(--border); background: #fff; position: sticky; top: 0; z-index: 50; }
.pricing-header nav { display: flex; align-items: center; gap: 16px; }
.pricing-hero { text-align: center; padding: 64px 16px 40px; background: linear-gradient(180deg,#f5f3ff,#fff); }
.pricing-hero h1 { font-size: 36px; font-weight: 800; letter-spacing: -.5px; }
.pricing-hero p { font-size: 17px; color: var(--muted); margin-top: 10px; }
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 20px; max-width: 1000px; margin: 0 auto; padding: 0 24px 60px; }
.plan-box { background: #fff; border: 1.5px solid var(--border); border-radius: 18px; padding: 28px 22px; display: flex; flex-direction: column; gap: 18px; position: relative; transition: border-color .2s, box-shadow .2s; }
.plan-box:hover { border-color: var(--accent); box-shadow: var(--sh); }
.plan-box-popular { border-color: var(--accent); background: linear-gradient(180deg,#f5f3ff,#fff); }
.popular-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #fff; font-size: 11px; font-weight: 700; padding: 4px 14px; border-radius: 12px; text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; }
.plan-box-header { display: flex; flex-direction: column; gap: 6px; }
.plan-badge { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }
.plan-badge-tg { color: #0088cc; }
.plan-badge-basic { color: var(--accent); }
.plan-badge-pro { color: #f59e0b; }
.plan-price { display: flex; align-items: baseline; gap: 4px; }
.price-amount { font-size: 34px; font-weight: 800; }
.price-note { font-size: 14px; color: var(--muted); }
.plan-name { font-size: 15px; font-weight: 500; color: var(--muted); }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.plan-features li { display: flex; align-items: center; gap: 9px; font-size: 14px; }
.plan-features li.muted { color: var(--muted); }
.plan-features li i { font-size: 15px; color: #22c55e; flex-shrink: 0; }
.plan-features li.muted i { color: #d1d5db; }
.plan-btn { display: block; width: 100%; text-align: center; padding: 11px 16px; border-radius: 10px; font-size: 14px; font-weight: 500; cursor: pointer; transition: opacity .15s, transform .1s; border: none; }
.plan-btn:hover { opacity: .9; transform: translateY(-1px); }
.plan-btn-outline { border: 1.5px solid var(--border)!important; color: var(--text); background: transparent; }
.plan-btn-outline:hover { border-color: var(--accent)!important; }
.plan-btn-tg { background: #0088cc; color: #fff; display: flex; align-items: center; justify-content: center; gap: 7px; }
.plan-btn-primary { background: var(--grad); color: #fff; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; gap: 7px; }
.plan-btn-stars { background: var(--surface); border: 1.5px solid var(--border)!important; color: var(--text); }
.plan-pay-btns { display: flex; flex-direction: column; gap: 8px; }
.faq-section { max-width: 700px; margin: 0 auto 80px; padding: 0 24px; }
.faq-section h2 { font-size: 24px; font-weight: 700; margin-bottom: 24px; text-align: center; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: #fff; border: 1.5px solid var(--border); border-radius: 12px; overflow: hidden; }
.faq-q { padding: 16px 18px; font-size: 15px; font-weight: 500; cursor: pointer; }
.faq-q:hover { color: var(--accent); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s, padding .3s; font-size: 14px; color: var(--muted); line-height: 1.6; padding: 0 18px; }
.faq-item.open .faq-a { max-height: 200px; padding: 0 18px 16px; }

/* Toast */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--text); color: #fff; padding: 12px 22px; border-radius: 12px; font-size: 14px; z-index: 500; animation: fadeUp .2s ease; }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .header-nav { display: none; }
  .offer-item { padding: 8px 16px; }
  .offer-divider { display: none; }
  .chat-sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 90; transform: translateX(-100%); }
  .chat-sidebar.open { transform: translateX(0); }
  .cs-close { display: block; }
  .ct-hamburger { display: block; }
  .ct-logo { display: flex; }
  .plans-grid { grid-template-columns: 1fr; }
  .pricing-header { padding: 14px 16px; }
  .hero { padding: 50px 16px 40px; }
  .hero-title { font-size: 32px; }
}