:root {
  --bg: #080808;
  --panel: #121212;
  --panel-2: #1a1a1a;
  --border: #2b2b2b;
  --text: #ffffff;
  --muted: #b8b8b8;
  --red: #d71920;
  --red-soft: rgba(215, 25, 32, 0.22);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 90%);
  margin: auto;
}

.bg-glow {
  position: fixed;
  inset: -20%;
  background:
    radial-gradient(circle at 50% 10%, var(--red-soft), transparent 28%),
    radial-gradient(circle at 80% 60%, rgba(255,255,255,0.06), transparent 22%);
  filter: blur(20px);
  z-index: -1;
  animation: breathe 8s ease-in-out infinite alternate;
}

@keyframes breathe {
  from { transform: scale(1); opacity: 0.55; }
  to { transform: scale(1.08); opacity: 0.9; }
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 80px 20px;
}

.hero-inner {
  max-width: 980px;
}

.eyebrow {
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.76rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.hero h1,
.hero h2,
.demo-intro h2,
.statement h2,
.comparison h2,
.final-cta h2 {
  letter-spacing: -0.07em;
  line-height: 0.92;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 7.5rem);
  margin-bottom: 20px;
}

.hero h2 {
  font-size: clamp(1.7rem, 4vw, 4rem);
  color: var(--muted);
  font-weight: 400;
  margin-bottom: 30px;
}

.hero p {
  max-width: 720px;
  margin: 0 auto 38px;
  color: var(--muted);
  font-size: 1.08rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 28px;
  border-radius: 999px;
  background: var(--red);
  color: white;
  font-weight: 800;
  transition: 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 60px rgba(215, 25, 32, 0.3);
}

.demo-section {
  padding: 110px 0;
}

.demo-intro {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}

.demo-intro h2 {
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  margin-bottom: 20px;
}

.demo-intro p {
  color: var(--muted);
}

.demo-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr;
  gap: 28px;
  align-items: stretch;
}

.chat-panel,
.lead-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)),
    rgba(18,18,18,0.9);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 32px;
  box-shadow: 0 40px 120px rgba(0,0,0,0.5);
  backdrop-filter: blur(18px);
}

.chat-panel {
  padding: 22px;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 8px 22px;
  border-bottom: 1px solid var(--border);
}

.chat-header strong {
  display: block;
}

.chat-header span,
.chat-header p {
  color: var(--muted);
  font-size: 0.9rem;
}

.chat-header i {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #36d66b;
  border-radius: 50%;
  margin-right: 6px;
}

.chat-body {
  min-height: 390px;
  max-height: 460px;
  overflow-y: auto;
  padding: 28px 2px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.message {
  max-width: 80%;
  padding: 14px 18px;
  border-radius: 19px;
  font-size: 0.98rem;
  animation: popIn 0.25s ease both;
}

.message.bot {
  align-self: flex-start;
  background: var(--panel-2);
  border: 1px solid var(--border);
}

.message.user {
  align-self: flex-end;
  background: var(--red);
  color: white;
}

.typing {
  align-self: flex-start;
  display: flex;
  gap: 5px;
  width: fit-content;
  padding: 15px 18px;
  border-radius: 18px;
  background: var(--panel-2);
  border: 1px solid var(--border);
}

.typing span {
  width: 6px;
  height: 6px;
  background: var(--muted);
  border-radius: 50%;
  animation: dot 0.8s infinite ease-in-out;
}

.typing span:nth-child(2) {
  animation-delay: 0.12s;
}

.typing span:nth-child(3) {
  animation-delay: 0.24s;
}

@keyframes dot {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.35; }
  40% { transform: translateY(-4px); opacity: 1; }
}

@keyframes popIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.industry-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px;
}

.industry-buttons button {
  border: 1px solid var(--border);
  background: #101010;
  color: white;
  border-radius: 17px;
  padding: 15px;
  cursor: pointer;
  font-weight: 800;
  transition: 0.22s ease;
}

.industry-buttons button:hover,
.industry-buttons button.active {
  border-color: var(--red);
  transform: translateY(-2px);
  background: #161616;
}

.lead-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0.65;
  transform: translateY(10px);
  transition: 0.35s ease;
}

.lead-card.active {
  opacity: 1;
  transform: translateY(0);
}

.lead-tag {
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 14px;
}

.lead-card h3 {
  font-size: 1.65rem;
  margin-bottom: 24px;
}

.lead-card ul {
  list-style: none;
  display: grid;
  gap: 12px;
}

.lead-card li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.lead-card li span {
  color: var(--text);
  font-weight: 800;
}

.captured {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

.statements {
  padding: 70px 20px;
}

.statement {
  min-height: 48vh;
  display: grid;
  place-items: center;
  text-align: center;
}

.statement h2 {
  max-width: 980px;
  font-size: clamp(2.8rem, 7vw, 7rem);
}

.comparison {
  padding: 110px 0;
  background: rgba(255,255,255,0.025);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.comparison h2 {
  max-width: 900px;
  margin: 0 auto 50px;
  font-size: clamp(2.4rem, 6vw, 5.8rem);
}

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

.compare-grid div {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 30px;
}

.compare-grid h3 {
  margin-bottom: 18px;
  font-size: 1.4rem;
}

.compare-grid p {
  color: var(--muted);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.final-cta {
  padding: 130px 20px;
  text-align: center;
}

.final-cta h2 {
  max-width: 900px;
  margin: 0 auto 24px;
  font-size: clamp(2.6rem, 7vw, 6.8rem);
}

.final-cta p {
  max-width: 620px;
  margin: 0 auto 34px;
  color: var(--muted);
}

footer {
  padding: 30px 20px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: 0.75s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .demo-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .industry-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .lead-card {
    opacity: 1;
  }
}

@media (max-width: 560px) {
  .hero {
    min-height: 92vh;
  }

  .chat-panel,
  .lead-card {
    border-radius: 24px;
  }

  .chat-header {
    flex-direction: column;
  }

  .message {
    max-width: 92%;
  }

  .industry-buttons {
    grid-template-columns: 1fr;
  }

  .statement {
    min-height: 40vh;
  }
}