:root {
  --bg: #f5f0e8;
  --bg-raised: #faf6ef;
  --bg-card: #f0ebe2;
  --bg-card-hover: #ebe5db;
  --surface: #faf6ef;
  --text: #18181b;
  --text-mid: #52525b;
  --text-dim: #a1a1aa;
  --text-faint: #d4d4d8;
  --accent: #18181b;
  --accent-warm: #7c6f4f;
  --border: rgba(0, 0, 0, 0.06);
  --border-hover: rgba(0, 0, 0, 0.12);
  --border-strong: rgba(0, 0, 0, 0.18);
  --glow: rgba(0, 0, 0, 0.02);
  --radius: 16px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--text-faint) transparent;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ═══════ NAV ═══════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(245, 240, 232, 0.8);
  border-bottom: 1px solid transparent;
  transition: all 0.4s ease;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 0;
  text-decoration: none;
}

.nav-logo-svg {
  height: 18px;
  width: auto;
  opacity: 0.9;
}

.nav-suffix {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--accent-warm);
  letter-spacing: -0.01em;
  margin-left: 1px;
  opacity: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.78rem;
  color: var(--text-mid);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover { color: var(--text); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.3rem;
  background: var(--accent);
  color: var(--bg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* ═══════ HERO ═══════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 70%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,0,0,0.02) 0%, transparent 65%);
  filter: blur(80px);
  animation: glow-breathe 12s ease-in-out infinite;
  pointer-events: none;
}

.hero-glow-secondary {
  position: absolute;
  bottom: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,0,0,0.015) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

@keyframes glow-breathe {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--accent-warm);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  font-weight: 500;
  opacity: 0;
  animation: fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.hero-badge .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-warm);
  animation: pulse-dot 2.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1.75rem;
  opacity: 0;
  animation: fade-up 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.hero-title strong { font-weight: 600; }
.hero-title .accent { color: var(--accent-warm); }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-mid);
  max-width: 540px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.75;
  opacity: 0;
  animation: fade-up 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.65s forwards;
}

.hero-ctas {
  margin-top: 2.75rem;
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  opacity: 0;
  animation: fade-up 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  background: var(--accent);
  color: var(--bg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  background: transparent;
  color: var(--text-mid);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 0.88rem;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(0, 0, 0, 0.03);
}

.hero-proof {
  margin-top: 3.5rem;
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  opacity: 0;
  animation: fade-up 0.9s cubic-bezier(0.16, 1, 0.3, 1) 1.2s forwards;
}

.hero-stat { text-align: center; }

.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.03em;
}

.hero-stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
  margin-top: 0.15rem;
}

.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fade-up 1s ease 2s forwards;
}

.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
  animation: scroll-pulse 2.5s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.7; transform: scaleY(1.2); }
}

/* ═══════ SECTION UTILITIES ═══════ */
.section {
  padding: 7rem 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-warm);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 200;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.section-title strong { font-weight: 600; }

.section-text {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-mid);
  max-width: 520px;
  font-weight: 300;
}

/* ═══════ PAIN POINTS ═══════ */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 3.5rem;
}

.pain-card {
  background: var(--bg-raised);
  padding: 2.25rem 1.75rem;
  transition: background 0.4s;
}

.pain-card:hover { background: var(--bg-card); }

.pain-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(24, 24, 27, 0.04);
  border: 1px solid rgba(24, 24, 27, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent-warm);
}

.pain-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.pain-desc {
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.65;
  font-weight: 300;
}

/* ═══════ CAPABILITIES ═══════ */
.cap-section {
  padding: 7rem 2rem;
  position: relative;
}

.cap-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-raised) 30%, var(--bg-raised) 70%, var(--bg) 100%);
  pointer-events: none;
}

.cap-inner {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
}

.cap-list {
  margin-top: 3.5rem;
  display: flex;
  flex-direction: column;
}

.cap-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

.cap-item:first-child { border-top: 1px solid var(--border); }
.cap-item:hover { padding-left: 0.5rem; }

.cap-num {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.cap-content h3 {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.cap-content p {
  font-size: 0.82rem;
  color: var(--text-mid);
  font-weight: 300;
  line-height: 1.6;
}

.cap-tag {
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-warm);
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(24, 24, 27, 0.1);
  border-radius: 100px;
  white-space: nowrap;
}

/* ═══════ USE CASES ═══════ */
.use-cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 3.5rem;
}

.use-card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.use-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-warm), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.use-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card);
}

.use-card:hover::before { opacity: 0.3; }

.use-emoji {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: block;
}

.use-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.use-desc {
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.65;
  font-weight: 300;
}

/* ═══════ NETWORK PROTOCOL ═══════ */
.network-section {
  padding: 7rem 2rem;
  text-align: center;
  position: relative;
}

.network-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--text-faint));
}

.network-inner {
  max-width: 600px;
  margin: 0 auto;
}

.network-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 2rem;
  font-weight: 500;
}

.network-badge .pulse {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-warm);
  animation: pulse-glow 2.5s infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(24,24,27,0.2); }
  50% { opacity: 0.5; box-shadow: 0 0 0 6px transparent; }
}

.network-title {
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.network-title strong { font-weight: 600; }

.network-text {
  font-size: 0.9rem;
  color: var(--text-mid);
  max-width: 460px;
  margin: 0 auto;
  line-height: 1.7;
  font-weight: 300;
}

.network-text strong {
  color: var(--text);
  font-weight: 500;
}

.network-protocols {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.protocol-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-mid);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.protocol-chip .chip-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-warm);
  opacity: 0.6;
}

.network-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 2rem;
  color: var(--accent-warm);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: gap 0.3s;
}

.network-link:hover { gap: 0.6rem; }

/* ═══════ CHAT SECTION ═══════ */
.chat-section {
  padding: 7rem 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.chat-header {
  text-align: center;
  margin-bottom: 3rem;
}

.chat-container {
  max-width: 680px;
  margin: 0 auto;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  background: var(--bg-raised);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 520px;
  position: relative;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 12px 60px rgba(0,0,0,0.06);
}

.chat-top-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-avatar span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg);
  letter-spacing: -0.02em;
}

.chat-bot-info { flex: 1; }

.chat-bot-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}

.chat-bot-status {
  font-size: 0.68rem;
  color: var(--accent-warm);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.chat-bot-status .status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-warm);
  animation: pulse-dot 2s infinite;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--text-faint) transparent;
}

.chat-msg {
  max-width: 80%;
  animation: msg-in 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg--bot { align-self: flex-start; }
.chat-msg--user { align-self: flex-end; }

.chat-bubble {
  padding: 0.75rem 1rem;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.6;
  font-weight: 300;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.chat-msg--bot .chat-bubble {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-mid);
  border-bottom-left-radius: 4px;
}

.chat-msg--user .chat-bubble {
  background: rgba(24, 24, 27, 0.05);
  border: 1px solid rgba(24, 24, 27, 0.08);
  color: var(--text);
  border-bottom-right-radius: 4px;
}

.chat-msg-time {
  font-size: 0.62rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
  padding: 0 0.25rem;
}

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

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  max-width: 60px;
}

.typing-indicator span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-dim);
  animation: typing-bounce 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.15s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.chat-input-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.7rem 1.15rem;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 300;
  outline: none;
  transition: border-color 0.3s;
}

.chat-input::placeholder { color: var(--text-dim); }
.chat-input:focus { border-color: var(--border-strong); }

.chat-send {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.chat-send:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.chat-send:active { transform: scale(0.95); }

.chat-send svg {
  color: var(--bg);
  width: 16px;
  height: 16px;
}

.chat-send:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.chat-notice {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.72rem;
  color: var(--text-dim);
  font-weight: 300;
}

/* ═══════ FINAL CTA ═══════ */
.final-cta {
  text-align: center;
  padding: 6rem 2rem 7rem;
}

.final-cta-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 200;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.final-cta-title-strong {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 2.5rem;
}

/* ═══════ FOOTER ═══════ */
footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-logo-svg {
  height: 16px;
  width: auto;
  opacity: 0.2;
  margin-bottom: 0.75rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 0.5rem;
}

.footer-links a {
  font-size: 0.68rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s;
  font-weight: 500;
}

.footer-links a:hover { color: var(--text); }

.footer-copy {
  opacity: 0.25;
  font-size: 0.72rem;
  margin-top: 1rem;
  color: var(--text-mid);
}

/* ═══════ ANIMATIONS ═══════ */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: all 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 800px) {
  .pain-grid { grid-template-columns: 1fr; }
  .use-cases { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-proof { gap: 1.5rem; }
  .cap-item { grid-template-columns: 50px 1fr; gap: 1rem; }
  .cap-tag { display: none; }
  .nav-links { gap: 1rem; }
  .nav-link { display: none; }
  .section { padding: 5rem 1.5rem; }
  .cap-section { padding: 5rem 1.5rem; }
  .chat-section { padding: 5rem 1.5rem; }
  .chat-container { height: 460px; }
  .network-section { padding: 5rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero-proof { flex-direction: column; gap: 1rem; }
  .chat-container { height: 420px; }
  .network-protocols { flex-direction: column; align-items: center; }
}