/* ============ RESET & BASE ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Manrope', 'Inter', sans-serif; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ============ THEME TOKENS ============ */
:root {
  --bg: #0b0d14;
  --bg-alt: #10131d;
  --surface: #151827;
  --surface-2: #1b1f30;
  --border: rgba(255,255,255,0.08);
  --text: #eef0f7;
  --text-dim: #a4a9bd;
  --text-faint: #6d7189;
  --accent: #6c5ce7;
  --accent-2: #00e5c7;
  --accent-3: #ff6b8b;
  --gold: #ffc94d;
  --grad: linear-gradient(135deg, var(--accent), var(--accent-2));
  --grad-warm: linear-gradient(135deg, #ff6b8b, #ffc94d);
  --shadow-lg: 0 30px 60px -20px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 0 1px rgba(108,92,231,0.25), 0 20px 50px -15px rgba(108,92,231,0.35);
  --radius: 20px;
  --radius-sm: 12px;
  --ease: cubic-bezier(.22,.9,.32,1.2);
}

::selection { background: var(--accent); color: #fff; }

/* ============ BACKGROUND DECOR ============ */
.bg-decor { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  animation: float-blob 22s ease-in-out infinite;
}
.blob-1 { width: 520px; height: 520px; background: var(--accent); top: -160px; left: -120px; animation-duration: 26s; }
.blob-2 { width: 480px; height: 480px; background: var(--accent-2); top: 30%; right: -180px; animation-duration: 30s; animation-delay: -6s; }
.blob-3 { width: 420px; height: 420px; background: var(--accent-3); bottom: -160px; left: 30%; animation-duration: 24s; animation-delay: -12s; opacity: 0.22; }

@keyframes float-blob {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(60px, 40px) scale(1.08); }
  66% { transform: translate(-40px, 60px) scale(0.95); }
}

@media (prefers-reduced-motion: reduce) {
  .blob { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============ UTILITIES ============ */
.text-gradient {
  background: linear-gradient(110deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  background-size: 250% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-pan 7s ease-in-out infinite;
}
@keyframes gradient-pan {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}
@media (prefers-reduced-motion: reduce) { .text-gradient { animation: none; } }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 12px;
}
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 8px; z-index: 999;
}
.skip-link:focus { left: 16px; top: 16px; }

/* scroll reveal — directional, with a soft blur that focuses in */
[data-reveal] {
  opacity: 0;
  transform: translateY(34px);
  filter: blur(7px);
  transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s ease;
  transition-delay: calc(var(--rd, 0) * 1ms);
  will-change: opacity, transform, filter;
}
[data-reveal="left"]  { transform: translateX(-46px); }
[data-reveal="right"] { transform: translateX(46px); }
[data-reveal="zoom"]  { transform: scale(.9) translateY(24px); }
[data-reveal="flip"]  { transform: perspective(700px) rotateX(14deg) translateY(30px); }
[data-reveal].is-visible { opacity: 1; transform: none; filter: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; filter: none; transition: none; }
}

/* scroll progress bar */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 100%;
  background: var(--grad);
  transform-origin: 0 50%;
  transform: scaleX(0);
  z-index: 300;
  box-shadow: 0 0 12px rgba(108,92,231,.6);
  pointer-events: none;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s ease, border-color .3s ease;
  white-space: nowrap;
}
.btn svg { transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 0 0 1px rgba(108,92,231,0.4), 0 26px 60px -14px rgba(108,92,231,0.55); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: var(--border);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); transform: translateY(-3px); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--accent-2); color: var(--accent-2); transform: translateY(-2px); }
.btn-lg { padding: 16px 30px; font-size: 16px; }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ============ HEADER ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  padding: 14px 0;
  transition: transform .4s var(--ease), background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(11,13,20,0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-color: var(--border);
  padding: 10px 0;
}
.site-header.is-hidden { transform: translateY(-100%); }

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; }
.logo-mark { display: inline-flex; filter: drop-shadow(0 4px 14px rgba(108,92,231,0.5)); }
.logo-word { font-family: 'Manrope', sans-serif; }

.main-nav { display: flex; gap: 30px; }
.main-nav a {
  font-size: 15px; font-weight: 500; color: var(--text-dim);
  position: relative; padding: 6px 0;
  transition: color .25s ease;
}
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--grad); border-radius: 2px;
  transition: width .3s var(--ease);
}
.main-nav a:hover { color: var(--text); }
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; }

.lang-switch { display: flex; gap: 2px; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 3px; }
.lang-btn {
  border: none; background: transparent; color: var(--text-faint);
  padding: 6px 11px; border-radius: 999px; font-size: 12.5px; font-weight: 700;
  transition: all .25s ease;
}
.lang-btn.is-active { background: var(--grad); color: #fff; }
.lang-btn:not(.is-active):hover { color: var(--text); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s ease, opacity .3s ease; }

/* ============ HERO ============ */
.hero { padding: 90px 0 60px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 13.5px; font-weight: 600; color: var(--text-dim);
  margin-bottom: 24px;
}
.badge-glow { box-shadow: 0 0 24px -6px rgba(108,92,231,0.5); animation: badge-pulse 3.2s ease-in-out infinite; }
@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 18px -8px rgba(108,92,231,0.4); }
  50% { box-shadow: 0 0 28px -4px rgba(0,229,199,0.45); }
}

.hero-title { font-size: clamp(32px, 4.4vw, 52px); line-height: 1.14; font-weight: 800; letter-spacing: -0.02em; }
.hero-subtitle { margin-top: 22px; font-size: 18px; line-height: 1.6; color: var(--text-dim); max-width: 560px; }
.cta-row { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.stats-row { display: flex; gap: 30px; margin-top: 44px; flex-wrap: wrap; }
.stat-chip { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-family: 'Manrope', sans-serif; font-size: 26px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-chip span { font-size: 13px; color: var(--text-faint); max-width: 140px; }

/* hero visual */
.hero-visual { position: relative; height: 460px; }
.float-card {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  animation: floaty 6s ease-in-out infinite;
  will-change: transform;
}
@keyframes floaty {
  0%, 100% { transform: translate(var(--fx,0), var(--fy,0)) rotate(0deg); }
  50% { transform: translate(calc(var(--fx,0) * 1.15), calc(var(--fy,0) * 1.15 - 10px)) rotate(0.3deg); }
}

.chat-window { top: 0; left: 8%; width: 88%; padding: 18px; animation-duration: 7s; }
.chat-window-lg { position: static; width: 100%; padding: 20px; margin: 0; animation: none; }
.chat-head { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.chat-avatar { width: 36px; height: 36px; border-radius: 10px; background: var(--grad); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.chat-name { font-weight: 700; font-size: 14.5px; }
.chat-status { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-faint); }
.chat-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); animation: blink-dot 2s ease-in-out infinite; }
@keyframes blink-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.chat-body { display: flex; flex-direction: column; gap: 10px; min-height: 60px; }
.msg { padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.45; max-width: 86%; animation: msg-in .5s var(--ease) both; }
@keyframes msg-in { from { opacity: 0; transform: translateY(10px) scale(.97); } to { opacity: 1; transform: translateY(0) scale(1); } }
.msg-in { background: var(--surface-2); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg-out { background: var(--grad); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.msg-meta { align-self: flex-end; font-size: 11px; color: var(--text-faint); background: none; padding: 0 4px; }
.msg-typing { align-self: flex-start; background: var(--surface-2); display: flex; gap: 4px; padding: 12px 16px; }
.msg-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); animation: typing-bounce 1.2s ease-in-out infinite; }
.msg-typing span:nth-child(2) { animation-delay: .15s; }
.msg-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes typing-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-5px); opacity: 1; } }

.lead-card { top: 55%; right: -2%; width: 250px; padding: 16px; animation-duration: 8s; animation-delay: -2s; }
.lead-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 13px; color: var(--accent-2); margin-bottom: 10px; }
.lead-pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 0 rgba(0,229,199,0.6); animation: pulse-ring 1.8s ease-out infinite; }
@keyframes pulse-ring { 0% { box-shadow: 0 0 0 0 rgba(0,229,199,0.6); } 100% { box-shadow: 0 0 0 10px rgba(0,229,199,0); } }
.lead-row { display: flex; justify-content: space-between; font-size: 12.5px; padding: 5px 0; color: var(--text-faint); border-bottom: 1px dashed var(--border); }
.lead-row:last-child { border-bottom: none; }
.lead-row strong { color: var(--text); font-weight: 600; }

.mini-badge { bottom: 4%; left: 2%; padding: 10px 16px; display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700; animation-duration: 9s; animation-delay: -4s; }

/* ============ TRUST MARQUEE ============ */
.trust-bar { padding: 30px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 14px; width: max-content; animation: marquee-scroll 26s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.channel-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 14px; font-weight: 600; color: var(--text-dim);
  white-space: nowrap;
}
.channel-pill.soon { opacity: 0.55; }
.channel-pill em { font-style: normal; font-size: 11px; background: var(--surface-2); padding: 2px 7px; border-radius: 999px; color: var(--text-faint); }

/* ============ SECTION HEAD ============ */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; }
.section-head p { margin-top: 16px; font-size: 16.5px; color: var(--text-dim); line-height: 1.6; }

.features, .how, .demo, .pricing, .faq { padding: 110px 0; }

/* ============ BENTO FEATURES ============ */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bento-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .4s var(--ease), border-color .4s ease, box-shadow .4s ease;
  position: relative;
  overflow: hidden;
}
.bento-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  transition: opacity .4s ease; pointer-events: none;
}
.bento-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bento-card:hover::before { opacity: 1; }
.bento-card::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; opacity: 0;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(108,92,231,.16), transparent 65%);
  transition: opacity .35s ease; pointer-events: none;
}
.bento-card:hover::after { opacity: 1; }
.price-card::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; opacity: 0;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), rgba(0,229,199,.1), transparent 65%);
  transition: opacity .35s ease; pointer-events: none;
}
.price-card:hover::after { opacity: 1; }
.bento-lg { grid-column: span 1; grid-row: span 2; display: flex; flex-direction: column; }
.card-icon {
  width: 46px; height: 46px; border-radius: 13px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(108,92,231,0.18), rgba(0,229,199,0.14));
  color: var(--accent-2);
  transition: transform .4s var(--ease);
}
.bento-card:hover .card-icon { transform: rotate(-6deg) scale(1.08); }
.bento-card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.bento-card p { font-size: 14.5px; color: var(--text-dim); line-height: 1.6; }

.mini-preview { margin-top: 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.ip-row { display: flex; align-items: center; gap: 8px; background: var(--surface-2); padding: 9px 12px; border-radius: 10px; font-size: 12.5px; color: var(--text-dim); }
.ip-row b { color: var(--text); font-weight: 700; }
.ip-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.ip-dot.ig { background: linear-gradient(135deg, #f09433, #dc2743, #bc1888); }
.ip-dot.tg { background: #229ed9; }
.ip-dot.fb { background: #1877f2; }

/* ============ HOW / TIMELINE ============ */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; padding-top: 10px; }
.timeline-line { position: absolute; top: 24px; left: 12.5%; right: 12.5%; height: 2px; background: var(--border); z-index: 0; }
.timeline-fill { display: block; height: 100%; width: 0%; background: var(--grad); transition: width 1.4s var(--ease); border-radius: 2px; }
.timeline-step { position: relative; z-index: 1; }
.step-num {
  display: flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  font-family: 'Manrope', sans-serif; font-weight: 800; font-size: 15px;
  margin-bottom: 18px; color: var(--accent-2);
  transition: background .4s ease, color .4s ease, border-color .4s ease, transform .4s var(--ease);
}
.timeline-step.is-active .step-num { background: var(--grad); color: #fff; border-color: transparent; transform: scale(1.1); }
.timeline-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.timeline-step p { font-size: 14px; color: var(--text-dim); line-height: 1.55; }

/* ============ DEMO ============ */
.demo-inner { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; align-items: center; }
.demo-copy h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; }
.demo-copy p { margin-top: 16px; color: var(--text-dim); font-size: 16px; line-height: 1.6; }

.kb-files { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.kb-file {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  padding: 10px 14px; border-radius: 12px; font-size: 13px; color: var(--text-dim);
}
.kb-file em { font-style: normal; color: var(--text-faint); font-size: 11px; }
.kb-add { border-style: dashed; color: var(--accent-2); background: transparent; }
.kb-add:hover { border-color: var(--accent-2); }

.chat-body#demoChatBody { min-height: 300px; max-height: 340px; overflow-y: auto; padding-right: 4px; }
.chat-input-row { display: flex; gap: 10px; margin-top: 14px; border-top: 1px solid var(--border); padding-top: 14px; }
.chat-input-row input {
  flex: 1; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px;
  padding: 12px 18px; color: var(--text); font-size: 14px; outline: none;
  transition: border-color .3s ease;
}
.chat-input-row input:focus { border-color: var(--accent); }
.chat-input-row button {
  width: 44px; height: 44px; border-radius: 50%; border: none;
  background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center;
  transition: transform .3s var(--ease);
}
.chat-input-row button:hover { transform: scale(1.08) rotate(8deg); }

/* ============ PRICING ============ */
.billing-toggle { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 50px; font-size: 15px; font-weight: 600; color: var(--text-faint); }
.billing-toggle .is-active { color: var(--text); }
.switch { width: 52px; height: 28px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); position: relative; transition: background .3s ease; }
.switch-knob { position: absolute; top: 2px; left: 2px; width: 22px; height: 22px; border-radius: 50%; background: var(--grad); transition: transform .35s var(--ease); }
.switch[aria-checked="true"] .switch-knob { transform: translateX(24px); }
.save-badge { background: rgba(0,229,199,0.14); color: var(--accent-2); font-size: 12.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.price-card {
  background: linear-gradient(145deg, var(--surface) 0%, rgba(22, 23, 28, 0.4) 100%);
  border: 1px solid rgba(255,255,255,0.06); 
  border-radius: 20px;
  padding: 36px 32px; display: flex; flex-direction: column;
  transition: transform .4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .4s ease, border-color .4s ease;
  position: relative;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card h3 { font-size: 20px; font-weight: 800; }
.price-desc { margin-top: 8px; font-size: 13.5px; color: var(--text-faint); min-height: 40px; }
.price-amount { display: flex; align-items: baseline; gap: 8px; margin-top: 24px; flex-wrap: wrap; }
.price-amount .amount { font-family: 'Manrope', sans-serif; font-size: 46px; font-weight: 800; letter-spacing: -1px; text-shadow: 0 2px 10px rgba(255,255,255,0.1); }
.price-amount .currency { font-size: 20px; font-weight: 700; color: var(--text-dim); }
.price-amount .per { font-size: 14px; color: var(--text-faint); font-weight: 500; }
.price-old { font-size: 18px; color: var(--text-faint); text-decoration: line-through; text-decoration-color: var(--accent-3); text-decoration-thickness: 2px; }
.amount-custom { font-size: 26px; }
.trial-note { font-size: 12.5px; color: var(--accent-2); font-weight: 600; margin-top: 8px; }
.price-card .btn { margin-top: 22px; }
.price-features { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.price-features li { font-size: 14px; color: var(--text-dim); padding-left: 26px; position: relative; }
.price-features li::before {
  content: ''; position: absolute; left: 0; top: 3px; width: 16px; height: 16px; border-radius: 50%;
  background: rgba(0,229,199,0.14);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M5 13l4 4L19 7' stroke='%2300e5c7' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center; background-size: 10px;
}

.price-popular { 
  border-color: rgba(108,92,231,0.5); 
  background: linear-gradient(160deg, rgba(108,92,231,0.15) 0%, rgba(22, 23, 28, 0.6) 100%); 
  transform: scale(1.04); 
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.1), 0 20px 40px rgba(108,92,231,0.15); 
}
.price-popular:hover { transform: scale(1.04) translateY(-8px); box-shadow: inset 0 1px 1px rgba(255,255,255,0.15), 0 24px 48px rgba(108,92,231,0.25); }
.popular-ribbon {
  position: absolute; top: -13px; left: 28px;
  background: var(--grad); color: #fff; font-size: 12px; font-weight: 800;
  padding: 5px 14px; border-radius: 999px; box-shadow: 0 8px 20px -6px rgba(108,92,231,0.6);
}
.promo-badge {
  position: absolute; top: 20px; right: 20px;
  background: linear-gradient(135deg, #ff6b8b, #ffc94d); color: #1a1a1a; font-size: 11.5px; font-weight: 800;
  padding: 5px 11px; border-radius: 999px;
  animation: promo-shine 2.6s ease-in-out infinite;
}
@keyframes promo-shine { 0%, 100% { filter: brightness(1); } 50% { filter: brightness(1.18); } }

.guarantee-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px 30px; margin-top: 50px; }
.guarantee-item { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text-dim); }
.guarantee-item svg { color: var(--accent-2); flex-shrink: 0; }

/* ============ FAQ ACCORDION ============ */
.accordion { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.acc-item { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: border-color .3s ease; }
.acc-item.is-open { border-color: rgba(108,92,231,0.4); }
.acc-head {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; background: none; border: none; color: var(--text); text-align: left;
  font-size: 15.5px; font-weight: 600;
}
.acc-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.acc-icon::before, .acc-icon::after { content: ''; position: absolute; background: var(--accent-2); border-radius: 2px; transition: transform .35s var(--ease); }
.acc-icon::before { width: 100%; height: 2px; top: 8px; left: 0; }
.acc-icon::after { width: 2px; height: 100%; left: 8px; top: 0; }
.acc-item.is-open .acc-icon::after { transform: rotate(90deg); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease), padding .45s ease; }
.acc-item.is-open .acc-body { max-height: 240px; }
.acc-body p { padding: 0 24px 22px; font-size: 14.5px; color: var(--text-dim); line-height: 1.65; }

/* ============ FINAL CTA ============ */
.final-cta { padding: 40px 24px 120px; }
.final-cta-inner {
  text-align: center; padding: 70px 40px; border-radius: 28px;
  background: linear-gradient(135deg, rgba(108,92,231,0.22), rgba(0,229,199,0.14));
  border: 1px solid rgba(108,92,231,0.3);
  position: relative; overflow: hidden;
}
.final-cta-inner::before {
  content: ''; position: absolute; inset: -50%; background: conic-gradient(from 0deg, transparent, rgba(108,92,231,0.25), transparent 30%);
  animation: rotate-glow 12s linear infinite;
}
@keyframes rotate-glow { to { transform: rotate(360deg); } }
.final-cta-inner h2, .final-cta-inner p, .final-cta-inner .btn { position: relative; z-index: 1; }
.final-cta-inner h2 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; }
.final-cta-inner p { margin: 18px auto 30px; max-width: 480px; color: var(--text-dim); font-size: 16px; line-height: 1.6; }

/* ============ FOOTER ============ */
.site-footer { border-top: 1px solid var(--border); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { margin: 14px 0 18px; color: var(--text-faint); font-size: 14px; max-width: 260px; line-height: 1.6; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14.5px; color: var(--text-dim); padding: 6px 0; transition: color .25s ease; }
.footer-col a:hover { color: var(--accent-2); }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-faint); flex-wrap: wrap; gap: 10px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { height: 380px; margin-top: 20px; }
  .demo-inner { grid-template-columns: 1fr; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-lg { grid-column: span 2; grid-row: span 1; }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .timeline-line { display: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .price-popular { transform: scale(1); order: -1; }
  .price-popular:hover { transform: translateY(-6px); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions { gap: 10px; }
  .lang-switch { display: none; }
  .footer-lang { display: flex; }
  .bento { grid-template-columns: 1fr; }
  .bento-lg { grid-column: span 1; }
  .timeline { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; }
  .stats-row { gap: 20px; }
  .hero { padding-top: 60px; }
  .features, .how, .demo, .pricing, .faq { padding: 70px 0; }
}

body.nav-open .main-nav {
  display: flex; position: fixed; inset: 70px 16px auto 16px; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 16px 20px;
  box-shadow: var(--shadow-lg); gap: 4px; z-index: 90;
}
body.nav-open .main-nav a { padding: 10px 0; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }