*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --indigo: #6366f1; --indigo-dark: #4f46e5; --indigo-light: #a5b4fc;
  --indigo-50: #eef2ff; --indigo-100: #e0e7ff;
  --gray-50: #f9fafb; --gray-100: #f3f4f6; --gray-200: #e5e7eb; --gray-300: #d1d5db;
  --gray-400: #9ca3af; --gray-500: #6b7280; --gray-600: #4b5563; --gray-700: #374151;
  --gray-800: #1f2937; --gray-900: #111827; --white: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --radius: 8px; --radius-lg: 12px; --radius-xl: 16px;
}
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: var(--gray-800); line-height: 1.6; background: var(--white); }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--gray-200); height: 64px; }
.nav-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; height: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 22px; font-weight: 800; color: var(--indigo); text-decoration: none; letter-spacing: -0.5px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--gray-600); font-size: 15px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--gray-900); }
.nav-cta { background: var(--indigo); color: var(--white) !important; padding: 8px 20px; border-radius: 8px; font-weight: 600 !important; font-size: 14px !important; transition: background 0.2s, transform 0.15s, box-shadow 0.2s !important; box-shadow: 0 1px 2px rgba(99,102,241,0.3); }
.nav-cta:hover { background: var(--indigo-dark) !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(99,102,241,0.35) !important; }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }

/* HERO */
.hero { padding: 160px 24px 100px; text-align: center; background: linear-gradient(180deg, var(--indigo-50) 0%, var(--white) 100%); position: relative; overflow: hidden; }
.hero-inner { max-width: 720px; margin: 0 auto; position: relative; z-index: 2; }

/* Floating emoji icons */
.hero-floats { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.hf { position: absolute; animation: hero-float ease-in-out infinite; will-change: transform; }
.hf-1 { top: 12%; left: 6%;  font-size: 40px; opacity: 0.55; animation-duration: 5.5s; animation-delay: 0s; }
.hf-2 { top: 18%; right: 7%; font-size: 44px; opacity: 0.5;  animation-duration: 6s;   animation-delay: 0.8s; }
.hf-3 { top: 40%; left: 3%;  font-size: 32px; opacity: 0.45; animation-duration: 4.5s; animation-delay: 1.2s; }
.hf-4 { top: 55%; right: 4%; font-size: 36px; opacity: 0.5;  animation-duration: 5s;   animation-delay: 0.4s; }
.hf-5 { top: 8%;  left: 20%; font-size: 30px; opacity: 0.4;  animation-duration: 6.5s; animation-delay: 2s; }
.hf-6 { top: 30%; right: 15%;font-size: 38px; opacity: 0.5;  animation-duration: 5.2s; animation-delay: 1.5s; }
.hf-7 { top: 65%; left: 10%; font-size: 28px; opacity: 0.45; animation-duration: 4.8s; animation-delay: 0.6s; }
.hf-8 { top: 45%; left: 18%; font-size: 34px; opacity: 0.4;  animation-duration: 7s;   animation-delay: 2.5s; }
@keyframes hero-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-18px) rotate(6deg); }
}
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.1; letter-spacing: -1.5px; color: var(--gray-900); margin-bottom: 20px; }
.hero p { font-size: 19px; color: var(--gray-500); line-height: 1.7; margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto; }
.btn-primary { display: inline-block; background: var(--indigo); color: var(--white); padding: 14px 32px; border-radius: 10px; font-size: 16px; font-weight: 600; text-decoration: none; transition: background 0.2s, transform 0.15s, box-shadow 0.2s; box-shadow: 0 2px 8px rgba(99,102,241,0.3); }
.btn-primary:hover { background: var(--indigo-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(99,102,241,0.35); }
.hero-sub { display: block; margin-top: 16px; font-size: 14px; color: var(--gray-400); }

/* HERO SCREENSHOT */
.hero-screenshot { margin-top: 56px; perspective: 1200px; }
.hero-screenshot-inner { max-width: 960px; margin: 0 auto; border-radius: 12px; overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.18), 0 0 0 1px rgba(0,0,0,0.05); background: #fff; transform: rotateX(2deg); transition: transform 0.4s ease; }
.hero-screenshot-inner:hover { transform: rotateX(0deg); }
.mock-toolbar { display: flex; align-items: center; padding: 10px 16px; background: var(--gray-100); border-bottom: 1px solid var(--gray-200); gap: 8px; }
.mock-dots { display: flex; gap: 6px; }
.mock-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--gray-300); }
.mock-dots span:first-child { background: #ef4444; }
.mock-dots span:nth-child(2) { background: #f59e0b; }
.mock-dots span:nth-child(3) { background: #10b981; }
.mock-url { flex: 1; background: var(--white); border-radius: 6px; padding: 5px 12px; font-size: 12px; color: var(--gray-500); border: 1px solid var(--gray-200); }
.mock-body { display: flex; height: 380px; }
.mock-sidebar { width: 180px; background: #fff; border-right: 1px solid var(--gray-200); display: flex; flex-direction: column; flex-shrink: 0; }
.mock-sidebar-brand { padding: 14px 16px; font-weight: 700; font-size: 15px; color: var(--indigo); border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; gap: 6px; }
.mock-sidebar-brand::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #10b981; }
.mock-nav-item { padding: 9px 16px; font-size: 13px; color: var(--gray-500); display: flex; align-items: center; gap: 8px; }
.mock-nav-item.active { color: var(--indigo); background: var(--indigo-50); font-weight: 600; }
.mock-nav-dot { width: 16px; height: 16px; border-radius: 4px; background: var(--gray-200); }
.mock-nav-item.active .mock-nav-dot { background: var(--indigo-light); }
.mock-convos { width: 240px; border-right: 1px solid var(--gray-200); overflow: hidden; flex-shrink: 0; }
.mock-convos-header { padding: 12px 14px; font-weight: 700; font-size: 14px; color: var(--gray-800); border-bottom: 1px solid var(--gray-200); }
.mock-convo-item { padding: 10px 14px; border-bottom: 1px solid var(--gray-100); }
.mock-convo-item.active { background: var(--indigo-50); }
.mock-convo-name { display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
.mock-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--indigo-light); flex-shrink: 0; }
.mock-convo-name span { font-size: 13px; font-weight: 600; color: var(--gray-800); }
.mock-convo-preview { font-size: 12px; color: var(--gray-400); padding-left: 36px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock-status { display: inline-block; font-size: 10px; padding: 1px 6px; border-radius: 8px; background: #dcfce7; color: #16a34a; font-weight: 600; margin-left: 4px; }
.mock-chat { flex: 1; display: flex; flex-direction: column; background: #fafbfc; }
.mock-chat-header { padding: 10px 16px; border-bottom: 1px solid var(--gray-200); font-weight: 600; font-size: 14px; color: var(--gray-800); background: #fff; display: flex; align-items: center; justify-content: space-between; }
.mock-close-btn { padding: 4px 12px; background: #10b981; color: white; border-radius: 6px; font-size: 11px; font-weight: 600; }
.mock-messages { flex: 1; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.mock-msg { max-width: 70%; padding: 8px 12px; border-radius: 10px; font-size: 12px; line-height: 1.5; }
.mock-msg.visitor { background: white; color: var(--gray-700); align-self: flex-start; border: 1px solid var(--gray-200); }
.mock-msg.bot { background: var(--indigo); color: white; align-self: flex-end; }
.mock-reply-bar { padding: 10px 16px; border-top: 1px solid var(--gray-200); background: #fff; display: flex; gap: 8px; align-items: center; }
.mock-reply-input { flex: 1; padding: 7px 12px; border-radius: 6px; border: 1px solid var(--gray-200); font-size: 12px; color: var(--gray-400); background: var(--gray-50); }
.mock-send-btn { padding: 6px 14px; background: var(--indigo); color: white; border-radius: 6px; font-size: 11px; font-weight: 600; }

/* SECTIONS */
section { padding: 100px 24px; }
.section-inner { max-width: 1120px; margin: 0 auto; }
.section-label { display: inline-block; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--indigo); margin-bottom: 12px; }
.section-title { font-size: 36px; font-weight: 800; letter-spacing: -1px; color: var(--gray-900); margin-bottom: 16px; }
.section-subtitle { font-size: 17px; color: var(--gray-500); max-width: 540px; line-height: 1.7; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .section-subtitle { margin-left: auto; margin-right: auto; }

/* FEATURES */
#features { background: var(--white); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { padding: 32px; border-radius: var(--radius-xl); border: 1px solid var(--gray-200); background: var(--white); transition: border-color 0.2s, box-shadow 0.3s, transform 0.2s; }
.feature-card:hover { border-color: var(--indigo-light); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.feature-icon { width: 48px; height: 48px; border-radius: var(--radius-lg); background: var(--indigo-50); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.feature-icon svg { width: 24px; height: 24px; stroke: var(--indigo); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--gray-500); line-height: 1.65; }

/* PRICING */
#pricing { background: var(--gray-50); }
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; max-width: 760px; margin: 0 auto; }
.pricing-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-xl); padding: 40px 36px; text-align: center; transition: border-color 0.2s, box-shadow 0.3s, transform 0.2s; }
.pricing-card:hover { border-color: var(--indigo-light); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-card.featured { border-color: var(--indigo); box-shadow: 0 0 0 1px var(--indigo), var(--shadow-lg); position: relative; }
.pricing-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--indigo); color: var(--white); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; padding: 4px 16px; border-radius: 20px; }
.pricing-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--indigo-50); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.pricing-icon svg { width: 28px; height: 28px; stroke: var(--indigo); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pricing-card h3 { font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.pricing-amount { font-size: 48px; font-weight: 800; color: var(--gray-900); letter-spacing: -2px; line-height: 1; margin-bottom: 4px; }
.pricing-amount span { font-size: 18px; font-weight: 500; color: var(--gray-400); letter-spacing: 0; }
.pricing-desc { font-size: 15px; color: var(--gray-500); margin-top: 12px; line-height: 1.6; }
.pricing-bottom-text { text-align: center; margin-top: 40px; font-size: 15px; color: var(--gray-500); line-height: 1.7; }

/* ABOUT */
#about { background: var(--white); }
.about-block { max-width: 640px; margin: 0 auto; text-align: center; }
.about-block blockquote { font-size: 22px; font-weight: 500; line-height: 1.65; color: var(--gray-700); font-style: italic; position: relative; padding: 0; }
.about-block blockquote::before { content: "\201C"; font-size: 72px; color: var(--indigo-light); position: absolute; top: -32px; left: -12px; line-height: 1; font-style: normal; }
.about-attribution { margin-top: 28px; font-size: 15px; color: var(--gray-400); font-weight: 500; }

/* FAQ */
#faq { background: var(--gray-50); }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--gray-200); }
.faq-item:first-child { border-top: 1px solid var(--gray-200); }
.faq-question { width: 100%; background: none; border: none; padding: 22px 0; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-family: inherit; text-align: left; }
.faq-question span { font-size: 16px; font-weight: 600; color: var(--gray-800); padding-right: 20px; }
.faq-chevron { flex-shrink: 0; width: 20px; height: 20px; stroke: var(--gray-400); transition: transform 0.3s ease; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
.faq-answer-inner { padding-bottom: 22px; font-size: 15px; color: var(--gray-500); line-height: 1.7; }

/* FOOTER */
footer { background: var(--gray-900); padding: 60px 24px 32px; }
.footer-inner { max-width: 1120px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 24px; }
.footer-col h4 { color: var(--white); font-size: 14px; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-brand { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 10px; }
.footer-desc { font-size: 14px; color: var(--gray-400); line-height: 1.6; margin-bottom: 14px; }
.footer-address { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.footer-address a { color: var(--gray-400); text-decoration: none; transition: color 0.2s; }
.footer-address a:hover { color: var(--white); }
.footer-copy { font-size: 13px; color: var(--gray-500); }
.footer-links { display: flex; flex-direction: column; gap: 10px; list-style: none; }
.footer-links a { text-decoration: none; color: var(--gray-400); font-size: 14px; font-weight: 500; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; }
.footer-links-inline { flex-direction: row; gap: 24px; }

/* SOCIAL PROOF */
#social-proof { background: linear-gradient(135deg, #312e81 0%, #4338ca 50%, #6366f1 100%); padding: 80px 24px; }
#social-proof .section-inner { max-width: 1000px; }
.proof-tagline { text-align: center; font-size: 20px; font-weight: 600; color: rgba(255,255,255,0.9); margin-bottom: 48px; letter-spacing: -0.3px; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.proof-stat { text-align: center; padding: 32px 16px; border-radius: 16px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); backdrop-filter: blur(8px); transition: transform 0.2s ease, background 0.2s ease; }
.proof-stat:hover { transform: translateY(-4px); background: rgba(255,255,255,0.14); }
.proof-number { font-size: 44px; font-weight: 800; color: #fff; letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 8px; }
.proof-label { font-size: 14px; color: rgba(255,255,255,0.7); font-weight: 500; line-height: 1.4; }

/* ═══════════════════════════════════════════
   FEATURE SHOWCASE SECTIONS
   ═══════════════════════════════════════════ */
.showcase { padding: 100px 24px; }
.showcase-light { background: var(--white); }
.showcase-gray { background: var(--gray-50); }
.showcase-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; max-width: 1120px; margin: 0 auto; }
.showcase-reverse .showcase-mockup { order: -1; }
.showcase-text .section-label { text-align: left; }
.showcase-text .section-title { text-align: left; font-size: 32px; margin-bottom: 16px; }
.showcase-text .section-subtitle { text-align: left; font-size: 16px; max-width: none; margin-bottom: 28px; line-height: 1.7; color: var(--gray-500); }
.showcase-features { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.showcase-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--gray-600); line-height: 1.6; }
.showcase-check { color: var(--indigo); font-weight: 700; font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.showcase-browser { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0,0,0,0.05); background: #fff; }
.showcase-mockup { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.showcase-mockup.visible { opacity: 1; transform: translateY(0); }

/* Showcase: Inbox */
.sc-inbox-body { display: flex; height: 320px; }
.sc-inbox-list { width: 220px; border-right: 1px solid var(--gray-200); flex-shrink: 0; overflow: hidden; }
.sc-inbox-list-header { padding: 12px 14px; border-bottom: 1px solid var(--gray-200); }
.sc-inbox-list-header > span { font-size: 14px; font-weight: 700; color: var(--gray-800); }
.sc-inbox-filters { display: flex; gap: 6px; margin-top: 8px; }
.sc-filter { font-size: 11px; padding: 3px 10px; border-radius: 20px; background: var(--gray-100); color: var(--gray-500); font-weight: 600; cursor: default; }
.sc-filter.active { background: var(--indigo-50); color: var(--indigo); }
.sc-inbox-search { padding: 8px 14px; font-size: 12px; color: var(--gray-400); border-bottom: 1px solid var(--gray-100); background: var(--gray-50); }
.sc-inbox-convo { display: flex; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--gray-100); align-items: flex-start; }
.sc-inbox-convo.active { background: var(--indigo-50); }
.sc-inbox-avatar { width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: 700; }
.sc-inbox-convo-text { flex: 1; min-width: 0; }
.sc-inbox-convo-top { display: flex; align-items: center; justify-content: space-between; gap: 4px; }
.sc-inbox-convo-top span:first-child { font-size: 12px; font-weight: 600; color: var(--gray-800); }
.sc-inbox-time { font-size: 10px; color: var(--gray-400); }
.sc-inbox-badge-open { font-size: 10px; padding: 1px 6px; border-radius: 8px; background: #dcfce7; color: #16a34a; font-weight: 600; }
.sc-inbox-preview { font-size: 11px; color: var(--gray-400); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.sc-inbox-chat { flex: 1; display: flex; flex-direction: column; background: #fafbfc; }
.sc-inbox-chat-header { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); background: #fff; display: flex; align-items: center; justify-content: space-between; }
.sc-inbox-chat-header > span { font-size: 13px; font-weight: 600; color: var(--gray-800); }
.sc-inbox-actions { display: flex; gap: 6px; align-items: center; }
.sc-assign-dropdown { font-size: 10px; padding: 3px 8px; border-radius: 4px; background: var(--gray-100); color: var(--gray-600); font-weight: 500; }
.sc-close-btn { font-size: 10px; padding: 3px 10px; border-radius: 4px; background: #10b981; color: #fff; font-weight: 600; }
.sc-inbox-messages { flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 8px; overflow: hidden; }
.sc-msg { max-width: 75%; padding: 7px 11px; border-radius: 10px; font-size: 11px; line-height: 1.5; }
.sc-msg.visitor { background: #fff; color: var(--gray-700); align-self: flex-start; border: 1px solid var(--gray-200); }
.sc-msg.bot { background: var(--indigo); color: #fff; align-self: flex-end; }
.sc-typing { font-size: 11px; color: var(--gray-400); padding: 4px 0; }
.sc-inbox-reply { padding: 8px 14px; border-top: 1px solid var(--gray-200); background: #fff; display: flex; flex-direction: column; gap: 6px; }
.sc-reply-tabs { display: flex; gap: 12px; }
.sc-reply-tabs span { font-size: 11px; font-weight: 600; color: var(--gray-400); cursor: default; }
.sc-reply-tabs span.active { color: var(--indigo); }
.sc-reply-input { padding: 6px 10px; border-radius: 6px; border: 1px solid var(--gray-200); font-size: 11px; color: var(--gray-400); background: var(--gray-50); }

/* Showcase: AI Agent */
.sc-ai-body { display: flex; height: 340px; }
.sc-ai-chat { flex: 1; display: flex; flex-direction: column; }
.sc-ai-chat-header { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); background: #fff; display: flex; align-items: center; justify-content: space-between; }
.sc-ai-agent-info { display: flex; align-items: center; gap: 8px; }
.sc-ai-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--indigo); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 12px; font-weight: 700; }
.sc-ai-name { font-size: 13px; font-weight: 600; color: var(--gray-800); margin-right: 6px; }
.sc-ai-badge { font-size: 9px; padding: 2px 8px; border-radius: 20px; background: #dbeafe; color: #2563eb; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; }
.sc-ai-status-pill { font-size: 10px; padding: 3px 10px; border-radius: 20px; background: #dcfce7; color: #16a34a; font-weight: 600; }
.sc-ai-messages { flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 8px; background: #fafbfc; overflow: hidden; }
.sc-ai-reply { position: relative; }
.sc-ai-source { font-size: 9px; color: var(--indigo-light); margin-bottom: 3px; font-weight: 600; letter-spacing: 0.2px; }
.sc-ai-thinking { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: var(--gray-100); border-radius: 10px; align-self: flex-end; max-width: 75%; }
@keyframes sc-bounce { 0%, 80%, 100% { transform: scale(0); opacity: 0.4; } 40% { transform: scale(1); opacity: 1; } }
.sc-ai-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--indigo); display: inline-block; animation: sc-bounce 1.4s ease-in-out infinite; }
.sc-ai-dot:nth-child(2) { animation-delay: 0.16s; }
.sc-ai-dot:nth-child(3) { animation-delay: 0.32s; }
.sc-ai-thinking-label { font-size: 10px; color: var(--gray-400); font-weight: 500; }
.sc-ai-sidebar { width: 180px; border-left: 1px solid var(--gray-200); background: #fff; padding: 14px; flex-shrink: 0; overflow: hidden; }
.sc-ai-sidebar-title { font-size: 11px; font-weight: 700; color: var(--gray-800); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.sc-ai-capacity { margin-bottom: 18px; }
.sc-ai-capacity-label { display: flex; justify-content: space-between; font-size: 11px; color: var(--gray-500); margin-bottom: 6px; }
.sc-ai-bar { height: 6px; border-radius: 3px; background: var(--gray-200); overflow: hidden; }
.sc-ai-bar-fill { height: 100%; border-radius: 3px; background: var(--indigo); }
.sc-ai-kb-title { font-size: 11px; font-weight: 700; color: var(--gray-800); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.sc-ai-kb-item { font-size: 11px; color: var(--gray-500); padding: 5px 0; border-bottom: 1px solid var(--gray-100); }

/* Showcase: Conversation Flows */
.sc-flow-body { display: flex; height: 360px; }
.sc-flow-canvas { flex: 1; padding: 20px; background: var(--gray-50); display: flex; flex-direction: column; align-items: center; gap: 0; overflow: hidden; }
.sc-flow-node { background: #fff; border: 1px solid var(--gray-200); border-radius: 10px; padding: 12px 16px; width: 240px; box-shadow: var(--shadow-sm); }
.sc-flow-start { border-left: 3px solid var(--indigo); }
.sc-flow-end { border-left: 3px solid #f59e0b; }
.sc-flow-node-header { font-size: 12px; font-weight: 700; color: var(--gray-800); margin-bottom: 4px; }
.sc-flow-node-msg { font-size: 11px; color: var(--gray-500); line-height: 1.4; margin-bottom: 8px; }
.sc-flow-options { display: flex; flex-wrap: wrap; gap: 4px; }
.sc-flow-btn { font-size: 10px; padding: 3px 10px; border-radius: 20px; background: var(--indigo-50); color: var(--indigo); font-weight: 600; }
.sc-flow-connector { display: flex; flex-direction: column; align-items: center; height: 28px; position: relative; }
.sc-flow-line { width: 2px; flex: 1; background: var(--gray-300); }
.sc-flow-arrow { width: 0; height: 0; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 6px solid var(--gray-300); }
.sc-flow-sidebar { width: 160px; border-left: 1px solid var(--gray-200); background: #fff; padding: 14px; flex-shrink: 0; }
.sc-flow-sidebar-title { font-size: 10px; font-weight: 700; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; margin-top: 12px; }
.sc-flow-sidebar-title:first-child { margin-top: 0; }
.sc-flow-trigger-badge { font-size: 11px; padding: 3px 10px; border-radius: 6px; background: var(--indigo-50); color: var(--indigo); font-weight: 600; display: inline-block; }
.sc-flow-active-badge { font-size: 11px; padding: 3px 10px; border-radius: 6px; background: #dcfce7; color: #16a34a; font-weight: 600; display: inline-block; }
.sc-flow-stat { display: flex; justify-content: space-between; font-size: 11px; color: var(--gray-500); padding: 4px 0; border-bottom: 1px solid var(--gray-100); }
.sc-flow-stat span:last-child { font-weight: 600; color: var(--gray-700); }

/* Showcase: Help Center */
.sc-hc-body { height: 320px; overflow: hidden; }
.sc-hc-header { padding: 12px 16px; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; }
.sc-hc-title { font-size: 14px; font-weight: 700; color: var(--gray-800); }
.sc-hc-header-actions { display: flex; gap: 8px; align-items: center; }
.sc-hc-category-filter { font-size: 11px; padding: 4px 10px; border-radius: 6px; border: 1px solid var(--gray-200); color: var(--gray-500); background: #fff; }
.sc-hc-new-btn { font-size: 11px; padding: 4px 12px; border-radius: 6px; background: var(--indigo); color: #fff; font-weight: 600; }
.sc-hc-articles { padding: 8px 0; }
.sc-hc-article { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); }
.sc-hc-article-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.sc-hc-article-title { font-size: 13px; font-weight: 600; color: var(--gray-800); }
.sc-hc-article-badges { display: flex; gap: 6px; }
.sc-hc-badge-cat { font-size: 10px; padding: 2px 8px; border-radius: 4px; background: var(--indigo-50); color: var(--indigo); font-weight: 600; }
.sc-hc-badge-pub { font-size: 10px; padding: 2px 8px; border-radius: 4px; background: #dcfce7; color: #16a34a; font-weight: 600; }
.sc-hc-badge-draft { font-size: 10px; padding: 2px 8px; border-radius: 4px; background: #fef3c7; color: #d97706; font-weight: 600; }
.sc-hc-article-preview { font-size: 12px; color: var(--gray-400); line-height: 1.5; }
.sc-hc-article-meta { font-size: 10px; color: var(--gray-400); margin-top: 6px; }
.sc-hc-draft { opacity: 0.7; }

/* Showcase: Analytics */
.sc-analytics-body { height: 340px; overflow: hidden; padding: 14px; background: var(--gray-50); }
.sc-analytics-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.sc-analytics-header > span { font-size: 14px; font-weight: 700; color: var(--gray-800); }
.sc-analytics-period { font-size: 11px; padding: 4px 10px; border-radius: 6px; border: 1px solid var(--gray-200); color: var(--gray-500); background: #fff; }
.sc-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.sc-stat-card { background: #fff; border: 1px solid var(--gray-200); border-radius: 8px; padding: 12px; text-align: center; }
.sc-stat-value { font-size: 20px; font-weight: 800; color: var(--gray-900); letter-spacing: -0.5px; }
.sc-stat-label { font-size: 10px; color: var(--gray-400); margin-top: 2px; }
.sc-analytics-charts { display: grid; grid-template-columns: 1.4fr 1fr; gap: 10px; }
.sc-chart-card { background: #fff; border: 1px solid var(--gray-200); border-radius: 8px; padding: 12px; }
.sc-chart-title { font-size: 11px; font-weight: 600; color: var(--gray-600); margin-bottom: 12px; }
.sc-bar-chart { display: flex; align-items: flex-end; gap: 6px; height: 100px; }
.sc-bar { flex: 1; background: var(--indigo); border-radius: 4px 4px 0 0; position: relative; min-height: 8px; transition: height 0.3s ease; }
.sc-bar span { position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%); font-size: 9px; color: var(--gray-400); white-space: nowrap; }
.sc-agent-stats { display: flex; flex-direction: column; gap: 10px; }
.sc-agent-row { display: flex; align-items: center; gap: 8px; }
.sc-agent-avatar { width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 10px; font-weight: 700; flex-shrink: 0; }
.sc-agent-row > span { font-size: 11px; color: var(--gray-700); font-weight: 500; min-width: 56px; }
.sc-agent-bar { flex: 1; height: 8px; border-radius: 4px; display: flex; overflow: hidden; background: var(--gray-100); }
.sc-agent-open { background: var(--indigo); }
.sc-agent-closed { background: var(--indigo-light); }
.sc-agent-total { font-size: 11px; font-weight: 700; color: var(--gray-700); min-width: 20px; text-align: right; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .showcase-row { grid-template-columns: 1fr; gap: 40px; }
  .showcase-reverse .showcase-mockup { order: 0; }
  .showcase-text .section-title { font-size: 28px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 40px; }
  .section-title { font-size: 30px; }
}
@media (max-width: 768px) {
  .hero-screenshot { margin-top: 40px; }
  .mock-body { height: 280px; }
  .mock-sidebar { display: none; }
  .mock-convos { width: 180px; }
}
@media (max-width: 680px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 20px 24px 24px; gap: 0; border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-lg); }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; font-size: 16px; }
  .nav-links li:last-child { margin-top: 8px; }
  .nav-links .nav-cta { display: inline-block; text-align: center; }
  .nav-hamburger { display: flex; }
  .hero { padding: 130px 24px 72px; }
  .hero h1 { font-size: 32px; letter-spacing: -1px; }
  .hero p { font-size: 17px; }
  .hero-floats { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-tagline { font-size: 17px; }
  .proof-number { font-size: 36px; }
  section { padding: 72px 24px; }
  .section-title { font-size: 26px; }
  .about-block blockquote { font-size: 18px; }
  .about-block blockquote::before { font-size: 56px; top: -24px; left: -4px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; text-align: left; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-links-inline { justify-content: center; }
  .showcase { padding: 72px 24px; }
  .showcase-text .section-title { font-size: 24px; }
  .sc-inbox-list { display: none; }
  .sc-ai-sidebar { display: none; }
  .sc-flow-sidebar { display: none; }
  .sc-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sc-analytics-charts { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; text-align: center; }
}
@media (max-width: 520px) {
  .mock-convos { display: none; }
}