/* ============================================================
   ClawCell — Dark telecom/carrier theme
   Deep blue → teal → cyan palette
   ============================================================ */

:root {
  --bg-base: #050b14;
  --bg-surface: #0a1628;
  --bg-surface-2: #0d1e35;
  --bg-card: #0f2240;
  --bg-card-hover: #132a4e;

  --blue-deep: #0a1628;
  --blue-mid: #0f3460;
  --blue-bright: #1565c0;
  --teal: #00bcd4;
  --teal-dark: #006978;
  --cyan: #00e5ff;
  --cyan-dim: #00b8d4;
  --purple: #7c4dff;
  --green: #00e676;
  --yellow: #ffd600;
  --red: #ff5252;

  --text-primary: #e8f4fd;
  --text-secondary: #8bafd4;
  --text-muted: #4a6a8a;
  --text-dim: #2a4a6a;

  --border: rgba(0, 188, 212, 0.15);
  --border-bright: rgba(0, 229, 255, 0.3);

  --gradient-primary: linear-gradient(135deg, #00bcd4 0%, #00e5ff 50%, #7c4dff 100%);
  --gradient-hero: linear-gradient(160deg, #050b14 0%, #091525 40%, #0a1f3d 100%);
  --gradient-card: linear-gradient(135deg, rgba(15,50,96,0.5) 0%, rgba(0,188,212,0.08) 100%);

  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- Layout ---- */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 11, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
}
.logo-icon { font-size: 1.3rem; }
.logo-accent { color: var(--cyan); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: opacity 0.2s, transform 0.2s !important;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(0,188,212,0.08);
  color: var(--text-primary);
  border-color: var(--border-bright);
}

.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--border-bright);
}
.btn-outline:hover {
  background: rgba(0,229,255,0.07);
  transform: translateY(-1px);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 120px 60px 80px;
  max-width: 1300px;
  margin: 0 auto;
  overflow: hidden;
}

.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,188,212,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,188,212,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,188,212,0.12) 0%, transparent 70%);
  top: -100px; left: -200px;
}
.glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,77,255,0.1) 0%, transparent 70%);
  bottom: -100px; right: 0;
}
.glow-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,229,255,0.08) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.hero-content { position: relative; z-index: 1; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,188,212,0.1);
  border: 1px solid var(--border-bright);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 28px;
  background: rgba(0,188,212,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Hero phone terminal */
.hero-phone-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}
.phone-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 60px rgba(0,188,212,0.12);
}
.phone-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--border);
}
.phone-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.phone-dot.red { background: #ff5f57; }
.phone-dot.yellow { background: #ffbd2e; }
.phone-dot.green { background: #28c840; }
.phone-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.phone-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 2;
}
.phone-line { display: flex; align-items: center; gap: 6px; }
.ph-dim { color: var(--text-dim); }
.ph-green { color: var(--green); font-weight: 600; }
.ph-cyan { color: var(--cyan); }
.ph-purple { color: #b39ddb; font-weight: 600; }
.ph-yellow { color: var(--yellow); }
.ph-label { color: var(--text-secondary); }
.ph-mono { color: var(--teal); font-size: 0.78rem; }
.ph-reply { color: var(--text-primary); }
.ph-dim-line { color: var(--text-dim); font-size: 0.7rem; letter-spacing: 0.1em; }
.phone-cursor {
  display: inline-block;
  color: var(--cyan);
  font-size: 0.9rem;
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---- Sections ---- */
.section {
  padding: 100px 0;
  position: relative;
}
.section-alt {
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
}
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 64px;
  line-height: 1.7;
}

/* ---- How it works ---- */
.steps {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.step {
  flex: 1;
  min-width: 200px;
  max-width: 320px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.step:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
}
.step-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  opacity: 0.7;
}
.step-icon { font-size: 2.5rem; margin-bottom: 16px; display: block; }
.step h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.step p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}
.step-arrow {
  flex-shrink: 0;
  color: var(--teal);
  opacity: 0.5;
  padding: 0 8px;
}

/* ---- Features ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
}
.feature-card-wide {
  grid-column: span 3;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto auto;
  column-gap: 28px;
}
.feature-card-wide .feature-icon-lg {
  grid-row: span 1;
}
.feature-icon-lg {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  grid-column: 2;
}
.tag {
  background: rgba(0,188,212,0.1);
  border: 1px solid rgba(0,188,212,0.25);
  color: var(--cyan-dim);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  font-family: var(--font-mono);
}

/* ---- Architecture ---- */
.arch-diagram {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  margin-bottom: 32px;
}
.arch-layer { margin-bottom: 0; }
.arch-layer-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-align: center;
}
.arch-nodes {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.edge-nodes .arch-node { min-width: 160px; }

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 20px;
  gap: 6px;
  transition: border-color 0.2s;
}
.arch-node:hover { border-color: var(--border-bright); }
.arch-node-icon { font-size: 1.6rem; }
.arch-node-name { font-size: 0.88rem; font-weight: 700; color: var(--text-primary); }
.arch-node-sub { font-size: 0.72rem; color: var(--text-muted); font-family: var(--font-mono); }

.arch-node-broker {
  border-color: rgba(0,229,255,0.35);
  background: rgba(0,188,212,0.08);
  min-width: 280px;
  padding: 24px 32px;
}
.broker-node-wrap { width: 100%; }

.arch-node-pod {
  min-width: 120px;
  background: rgba(124,77,255,0.08);
  border-color: rgba(124,77,255,0.25);
}
.arch-pod-label { font-size: 0.7rem; color: var(--text-muted); font-family: var(--font-mono); }
.arch-pod-icon { font-size: 1.4rem; }
.arch-pod-sub { font-size: 0.7rem; color: var(--cyan-dim); font-family: var(--font-mono); }

.arch-node-storage {
  min-width: 300px;
  background: rgba(0,230,118,0.05);
  border-color: rgba(0,230,118,0.15);
}

.arch-flow-arrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  padding: 0 20px;
}
.arch-flow-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
}
.arch-flow-line-thin {
  background: linear-gradient(90deg, transparent, rgba(0,188,212,0.3), transparent);
}
.arch-flow-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 4px 12px;
  background: rgba(0,188,212,0.07);
  border: 1px solid var(--border);
  border-radius: 100px;
}

.arch-callout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(0,188,212,0.06);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}
.arch-callout-icon { font-size: 1.2rem; flex-shrink: 0; }
.arch-callout strong { color: var(--text-primary); }
.arch-callout em { color: var(--cyan); font-style: normal; }

/* ---- Pricing ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.pricing-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.pricing-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
}
.pricing-card-featured {
  border-color: rgba(0,229,255,0.4) !important;
  background: linear-gradient(135deg, rgba(0,188,212,0.1) 0%, rgba(124,77,255,0.08) 100%);
  box-shadow: 0 0 60px rgba(0,229,255,0.12);
}
.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.pricing-tier {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}
.pricing-price {
  margin-bottom: 12px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.price-amount {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}
.price-period { font-size: 1rem; color: var(--text-muted); }
.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}
.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.check {
  color: var(--green);
  font-size: 0.9rem;
  flex-shrink: 0;
  font-weight: 700;
}

/* ---- Waitlist ---- */
.waitlist-section {
  background: radial-gradient(ellipse at center, rgba(0,188,212,0.07) 0%, transparent 60%),
              var(--bg-base);
}
.waitlist-inner {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}
.glow-waitlist {
  position: absolute;
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,188,212,0.1) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}
.waitlist-inner .section-title,
.waitlist-inner .section-subtitle,
.waitlist-inner .section-label { position: relative; z-index: 1; }
.waitlist-inner .section-subtitle { max-width: 100%; margin-bottom: 40px; }

.waitlist-form { position: relative; z-index: 1; }
.waitlist-input-wrap {
  display: flex;
  gap: 0;
  max-width: 520px;
  margin: 0 auto 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: 12px;
  overflow: hidden;
}
.waitlist-input-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
}
.waitlist-input-wrap input::placeholder { color: var(--text-muted); }
.waitlist-input-wrap .btn {
  border-radius: 0;
  padding: 14px 24px;
  font-size: 0.95rem;
  box-shadow: none;
}
.waitlist-msg {
  font-size: 0.9rem;
  min-height: 1.4em;
  transition: color 0.2s;
}
.waitlist-msg.success { color: var(--green); }
.waitlist-msg.error { color: var(--red); }
.waitlist-fine {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 32px;
}
.footer-brand { }
.footer-tagline {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 8px;
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--cyan); }
.footer-copy {
  grid-column: span 2;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.footer-copy a { color: var(--text-muted); text-decoration: none; }
.footer-copy a:hover { color: var(--cyan); }

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 100px 24px 60px;
    gap: 48px;
  }
  .hero-phone-visual { order: -1; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card-wide { grid-column: span 2; grid-template-columns: 1fr; }
  .feature-card-wide .feature-tags { grid-column: 1; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .footer-copy { grid-column: 1; }
}

@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card-wide { grid-column: span 1; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .arch-diagram { padding: 24px 16px; }
  .arch-nodes { gap: 12px; }
  .waitlist-input-wrap { flex-direction: column; }
  .waitlist-input-wrap .btn { border-radius: 0 0 10px 10px; }
}