/* ─── TOKENS ─── */
:root {
  --bg: #0c0c0f;
  --bg-elevated: #141418;
  --bg-card: #1a1a21;
  --fg: #e8e6e3;
  --fg-muted: #8a8a8f;
  --accent: #d4873f;
  --accent-light: #e8a962;
  --accent-glow: rgba(212, 135, 63, 0.15);
  --accent-glow-strong: rgba(212, 135, 63, 0.25);
  --border: #2a2a32;
  --border-light: #35353f;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1120px;
  --success: #3fb97a;
  --success-glow: rgba(63, 185, 122, 0.15);
}

/* ─── RESET ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-light); }

/* ─── NAV ─── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 12, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.03em;
}

.nav-logo .logo-dot { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--fg); }

.nav-cta {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent) !important;
  background: var(--accent-glow);
  padding: 8px 18px;
  border-radius: 6px;
  border: 1px solid rgba(212, 135, 63, 0.3);
  transition: background 0.2s, border-color 0.2s !important;
}

.nav-cta:hover {
  background: var(--accent-glow-strong) !important;
  border-color: rgba(212, 135, 63, 0.5) !important;
  color: var(--accent-light) !important;
}

/* ─── HERO ─── */
.hero {
  padding: 100px 32px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 14px;
  border-radius: 6px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  color: var(--fg);
  margin-bottom: 24px;
}

.hero h1 .accent { color: var(--accent); }

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: #0c0c0f;
  background: var(--accent);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  color: #0c0c0f;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-muted);
  background: transparent;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn-secondary:hover {
  color: var(--fg);
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.card-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.card-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}

.card-row:last-child { border-bottom: none; }

.card-before { color: var(--fg-muted); flex: 1; }
.card-arrow { color: var(--border-light); flex-shrink: 0; }
.card-after { color: var(--accent-light); flex: 1; text-align: right; font-weight: 500; }

/* ─── PROBLEM ─── */
.problem {
  border-top: 1px solid var(--border);
  padding: 80px 32px;
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}

.problem-stat { text-align: center; flex-shrink: 0; }

.big-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  font-weight: 500;
}

.problem-divider {
  width: 1px;
  height: 80px;
  background: var(--border);
  flex-shrink: 0;
}

.problem-text { flex: 1; }
.problem-text p { color: var(--fg-muted); margin-bottom: 16px; }
.problem-text p:last-child { margin-bottom: 0; }
.problem-highlight { color: var(--fg) !important; font-weight: 600; }

/* ─── SERVICES ─── */
.services {
  padding: 80px 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.services h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 48px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}

.service-block:hover { border-color: var(--border-light); }

.service-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.service-block h3 {
  font-size: 20px;
  color: var(--fg);
  margin-bottom: 12px;
}

.service-block p { color: var(--fg-muted); font-size: 15px; line-height: 1.7; }

/* ─── VERTICALS ─── */
.verticals {
  border-top: 1px solid var(--border);
  padding: 80px 32px;
}

.verticals-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.verticals-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 16px;
}

.verticals-text p { color: var(--fg-muted); }

.verticals-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.vert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--fg-muted);
  font-weight: 500;
}

.vert-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ─── NUMBERS ─── */
.numbers {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 32px;
}

.numbers h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  text-align: center;
  margin-bottom: 48px;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.numbers-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.num-block {
  background: var(--bg-card);
  padding: 40px 32px;
  text-align: center;
}

.num-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  line-height: 1;
}

.num-label { color: var(--fg-muted); font-size: 14px; line-height: 1.6; }

/* ─── CLOSING ─── */
.closing {
  padding: 80px 32px;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 24px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 17px;
  margin-bottom: 16px;
}

.closing p:last-child { margin-bottom: 0; }
.closing-bold { font-weight: 600; color: var(--fg) !important; }

/* ─── FOOTER ─── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
}

.footer-meta { font-size: 14px; color: var(--fg-muted); }

/* ─── SERVICES PAGE ─── */
.page-hero {
  padding: 80px 32px 60px;
  max-width: var(--max-w);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.page-tag {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 14px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

.services-full {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 60px 32px;
}

.service-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.service-card:last-child { border-bottom: none; }

.service-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--border-light);
  line-height: 1;
  padding-top: 4px;
}

.service-body h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  margin-bottom: 12px;
  color: var(--fg);
}

.service-body p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 24px;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-pill {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
}

.services-cta {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 80px 32px;
  text-align: center;
}

.services-cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 16px;
}

.services-cta p {
  color: var(--fg-muted);
  font-size: 17px;
  margin-bottom: 32px;
}

/* ─── DEMO PAGE ─── */
.demo-page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 60px 32px;
}

.demo-header {
  margin-bottom: 48px;
}

.demo-header h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 12px;
}

.demo-header p {
  color: var(--fg-muted);
  font-size: 17px;
  max-width: 560px;
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

/* ─── CHAT WIDGET ─── */
.chat-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  height: 600px;
  overflow: hidden;
}

.chat-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid rgba(212, 135, 63, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.chat-info h4 {
  font-size: 15px;
  color: var(--fg);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}

.chat-info span {
  font-size: 12px;
  color: var(--success);
  font-weight: 500;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 5px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.msg {
  display: flex;
  gap: 10px;
  animation: msgIn 0.25s ease;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.msg.user { flex-direction: row-reverse; }

.msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.msg.bot .msg-avatar {
  background: var(--accent-glow);
  border: 1px solid rgba(212, 135, 63, 0.25);
}

.msg.user .msg-avatar {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.msg-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
}

.msg.bot .msg-bubble {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--fg);
  border-bottom-left-radius: 4px;
}

.msg.user .msg-bubble {
  background: var(--accent);
  color: #0c0c0f;
  font-weight: 500;
  border-bottom-right-radius: 4px;
}

.msg-time {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 4px;
  opacity: 0.6;
}

.msg.user .msg-time { text-align: right; }

.typing-indicator {
  display: flex;
  gap: 10px;
  align-items: center;
}

.typing-dots {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-muted);
  animation: typingPulse 1.2s ease-in-out infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingPulse {
  0%, 60%, 100% { opacity: 0.3; transform: scale(1); }
  30% { opacity: 1; transform: scale(1.2); }
}

.chat-input-area {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}

.chat-input {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  color: var(--fg);
  outline: none;
  resize: none;
  transition: border-color 0.2s;
  max-height: 100px;
  min-height: 42px;
}

.chat-input:focus { border-color: rgba(212, 135, 63, 0.4); }
.chat-input::placeholder { color: var(--fg-muted); }

.chat-send {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.15s;
  flex-shrink: 0;
}

.chat-send:hover { background: var(--accent-light); transform: scale(1.05); }
.chat-send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.chat-send svg { width: 18px; height: 18px; }

/* ─── DEMO SIDEBAR ─── */
.demo-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.demo-context {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.demo-context h3 {
  font-size: 16px;
  color: var(--fg);
  margin-bottom: 6px;
}

.demo-context p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.scenario-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 10px;
}

.scenario-detail {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scenario-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.scenario-key { color: var(--fg-muted); }
.scenario-val { color: var(--fg); font-weight: 500; }

.demo-quickstart {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.demo-quickstart h3 {
  font-size: 15px;
  color: var(--fg);
  margin-bottom: 12px;
}

.quick-prompts {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quick-prompt {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--fg-muted);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s, color 0.2s;
  font-family: 'DM Sans', sans-serif;
}

.quick-prompt:hover {
  border-color: rgba(212, 135, 63, 0.3);
  color: var(--fg);
}

.demo-reset {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  width: 100%;
}

.demo-reset:hover { color: var(--fg); border-color: var(--border-light); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero-grid, .problem-inner, .verticals-inner { grid-template-columns: 1fr; }
  .problem-divider { width: 60px; height: 1px; }
  .problem-inner { flex-direction: column; text-align: center; }
  .services-grid, .numbers-grid { grid-template-columns: 1fr; }
  .demo-grid { grid-template-columns: 1fr; }
  .chat-widget { height: 500px; }
  .service-card { grid-template-columns: 1fr; gap: 16px; }
  .service-num { font-size: 28px; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}