/* ── Reset & Base ─────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #ffffff;
  --bg-subtle: #f8f8f8;
  --text-primary: #1a1a2e;
  --text-secondary: #555566;
  --text-muted: #888899;
  --accent: #A6FF00;
  --accent-dark: #8ad600;
  --btn-text: #1a1a1a;
  --border: #e5e5ea;
  --card-bg: #f5f5f7;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 100px;
  --max-width: 1140px;
  --section-gap: 140px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 17px;
  overflow-x: hidden;
}

/* ── Utility ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: var(--section-gap) 0;
}

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

img {
  max-width: 100%;
}

/* ── Typography ──────────────────────────────────────────── */
h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

h2 {
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

h3 {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

h4 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.7;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.highlight {
  color: #5da800;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-text);
  box-shadow: 0 0 0 0 rgba(166, 255, 0, 0);
}

.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 8px 32px rgba(166, 255, 0, 0.35);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background: var(--bg-subtle);
}

.btn-sm {
  padding: 12px 24px;
  font-size: 14px;
}

/* ── Navigation ──────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  transition: padding 0.3s ease;
}

.navbar.scrolled {
  padding: 14px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo .logo-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Section 1: Hero ─────────────────────────────────────── */
.hero {
  padding-top: 160px;
  padding-bottom: var(--section-gap);
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(166, 255, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 8px 8px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  animation: fadeInUp 0.6s ease both;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto 28px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-subtitle {
  max-width: 640px;
  margin: 0 auto 16px;
  font-size: 19px;
  color: var(--text-secondary);
  line-height: 1.65;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-supporting {
  font-size: 15px;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 44px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Section 2: Social Proof ─────────────────────────────── */
.social-proof {
  padding: 60px 0 80px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.social-proof .container {
  text-align: center;
}

.social-proof-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.proof-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.proof-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}

.proof-tagline {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Section 3: Problem ──────────────────────────────────── */
.problem {
  background: var(--bg-subtle);
}

.problem .container {
  max-width: 800px;
}

.problem h2 {
  margin-bottom: 32px;
}

.problem-intro {
  font-size: 18px;
  margin-bottom: 8px;
}

.problem-statement {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 40px;
}

.problem-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
  margin-bottom: 48px;
}

.problem-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  color: var(--text-secondary);
  padding: 12px 0;
}

.problem-list li::before {
  content: '✗';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #ffe5e5;
  color: #cc3333;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.problem-conclusion {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

/* ── Section 4: Solution ─────────────────────────────────── */
.solution .container {
  max-width: 800px;
}

.solution h2 {
  margin-bottom: 40px;
}

.solution-grid {
  display: grid;
  gap: 16px;
}

.solution-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border-color: var(--accent);
}

.solution-card .card-icon {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.solution-card span {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
}

.solution-note {
  margin-top: 40px;
  padding: 24px 28px;
  background: linear-gradient(135deg, rgba(166, 255, 0, 0.08), rgba(166, 255, 0, 0.02));
  border: 1px solid rgba(166, 255, 0, 0.25);
  border-radius: var(--radius-md);
}

.solution-note p {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 500;
}

/* ── Section 5: How It Works ─────────────────────────────── */
.how-it-works {
  background: var(--bg-subtle);
}

.how-it-works h2 {
  text-align: center;
  margin-bottom: 80px;
}

.step-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  margin-bottom: 100px;
}

.step-block:last-child {
  margin-bottom: 0;
}

.step-block.reverse {
  direction: rtl;
}

.step-block.reverse > * {
  direction: ltr;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: 14px;
  font-size: 20px;
  font-weight: 700;
  color: var(--btn-text);
  margin-bottom: 20px;
}

.step-content h3 {
  margin-bottom: 20px;
}

.step-content p {
  margin-bottom: 12px;
}

.step-features {
  list-style: none;
  margin-top: 20px;
}

.step-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-secondary);
}

.step-features li::before {
  content: '→';
  color: #5da800;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.step-visual {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  position: relative;
  overflow: hidden;
}

.step-visual::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -30%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(166, 255, 0, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.visual-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.visual-wallet {
  width: 200px;
  height: 120px;
  background: linear-gradient(135deg, var(--accent), #c8ff60);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 48px rgba(166, 255, 0, 0.2);
  position: relative;
}

.visual-wallet .wallet-chip {
  width: 36px;
  height: 28px;
  background: rgba(26, 26, 26, 0.15);
  border-radius: 6px;
  position: absolute;
  top: 24px;
  left: 24px;
}

.visual-wallet .wallet-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--btn-text);
  position: absolute;
  bottom: 20px;
  left: 24px;
  opacity: 0.6;
}

.visual-payid {
  text-align: center;
}

.visual-payid-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--text-primary);
  color: var(--bg);
  border-radius: var(--radius-pill);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.visual-payid-box .at-sign {
  color: var(--accent);
}

.visual-arrows {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
}

.visual-arrows .arrow-line {
  width: 40px;
  height: 2px;
  background: var(--border);
  position: relative;
}

.visual-delegation {
  text-align: center;
}

.delegation-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.delegation-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.delegation-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.delegation-circle.human {
  background: var(--bg-subtle);
  border: 2px solid var(--border);
}

.delegation-circle.agent {
  background: var(--accent);
  border: 2px solid var(--accent-dark);
}

.delegation-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.delegation-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
}

.delegation-arrow .arrow-char {
  font-size: 24px;
  color: var(--accent);
}

.delegation-arrow span:last-child {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Section 6: Social & Messaging ───────────────────────── */
.social-native h2 {
  margin-bottom: 16px;
}

.social-native .section-subtitle {
  max-width: 600px;
  font-size: 18px;
  margin-bottom: 48px;
}

.social-channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 64px;
}

.channel-card {
  padding: 28px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all 0.3s ease;
}

.channel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  border-color: var(--accent);
}

.channel-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.channel-card h4 {
  font-size: 15px;
  color: var(--text-primary);
}

.social-scenarios h3 {
  margin-bottom: 28px;
}

.scenario-list {
  list-style: none;
  display: grid;
  gap: 16px;
}

.scenario-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.5;
  border: 1px solid var(--border);
  transition: all 0.25s ease;
}

.scenario-list li:hover {
  border-color: var(--accent);
}

.scenario-bullet {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.social-closing {
  margin-top: 48px;
  font-size: 16px;
  font-weight: 500;
  font-style: italic;
  color: var(--text-muted);
}

/* ── Section 7: Why Different ────────────────────────────── */
.why-different {
  background: var(--text-primary);
  color: var(--bg);
}

.why-different h2 {
  color: var(--bg);
  text-align: center;
  margin-bottom: 72px;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.why-card {
  padding: 48px 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.why-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  transform: translateY(-4px);
}

.why-card h3 {
  color: var(--accent);
  margin-bottom: 24px;
}

.why-card p {
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 24px;
}

.why-features {
  list-style: none;
}

.why-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
}

.why-features li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(166, 255, 0, 0.15);
  color: var(--accent);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.why-code-block {
  margin-top: 24px;
  padding: 20px 24px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.why-code-block code {
  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--accent);
  line-height: 1.6;
}

.why-code-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  display: block;
  margin-bottom: 8px;
}

/* ── Section 8: Pricing ──────────────────────────────────── */
.pricing {
  text-align: center;
}

.pricing h2 {
  margin-bottom: 12px;
}

.pricing .section-subtitle {
  max-width: 500px;
  margin: 0 auto 64px;
  font-size: 18px;
}

.pricing-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pricing-header {
  padding: 40px 40px 32px;
  background: linear-gradient(135deg, rgba(166, 255, 0, 0.12), rgba(166, 255, 0, 0.04));
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.pricing-free {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--accent);
  color: var(--btn-text);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}

.pricing-header h3 {
  font-size: 22px;
  color: var(--text-primary);
}

.pricing-body {
  padding: 36px 40px;
  text-align: left;
}

.pricing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

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

.pricing-row .label {
  font-size: 15px;
  color: var(--text-secondary);
}

.pricing-row .value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.pricing-footer {
  padding: 24px 40px 40px;
  text-align: center;
}

.pricing-notes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.pricing-notes li {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.pricing-notes li::before {
  content: '✓';
  color: #5da800;
  font-weight: 700;
  font-size: 12px;
}

.pricing-conclusion {
  margin-top: 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

/* ── Section 9: Use Cases ────────────────────────────────── */
.use-cases {
  background: var(--bg-subtle);
}

.use-cases h2 {
  text-align: center;
  margin-bottom: 64px;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.use-case-card {
  padding: 40px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.use-case-card:hover::before {
  transform: scaleX(1);
}

.use-case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

.use-case-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 20px;
}

.use-case-card h3 {
  font-size: 18px;
  margin-bottom: 20px;
}

.use-case-card ul {
  list-style: none;
  text-align: left;
}

.use-case-card ul li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.use-case-card ul li::before {
  content: '→';
  color: #5da800;
  font-weight: 600;
  font-size: 12px;
}

/* ── Section 10: For Builders ────────────────────────────── */
.builders {
  text-align: center;
}

.builders h2 {
  margin-bottom: 16px;
}

.builders .section-subtitle {
  max-width: 580px;
  margin: 0 auto 48px;
  font-size: 18px;
}

.builder-features {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.builder-feature {
  padding: 28px 20px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.builder-feature:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.builder-feature .feature-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin: 0 auto 14px;
}

.builder-feature span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
}

.builder-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 15px;
  color: var(--text-muted);
}

.builder-links a {
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.builder-links a:hover {
  color: #5da800;
}

/* ── Section 11: Final CTA ───────────────────────────────── */
.final-cta {
  background: var(--text-primary);
  color: var(--bg);
  text-align: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, rgba(166, 255, 0, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta .container {
  position: relative;
  z-index: 1;
}

.final-cta h2 {
  color: var(--bg);
  margin-bottom: 32px;
}

.final-cta-lines {
  max-width: 500px;
  margin: 0 auto 16px;
}

.final-cta-lines p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 18px;
  margin-bottom: 8px;
}

.final-cta-emphasis {
  display: block;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
  margin: 32px 0 48px;
}

.final-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.final-cta .btn-secondary {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--bg);
}

.final-cta .btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.05);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--text-primary);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo .logo-icon {
  width: 22px;
  height: 22px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
}

/* ── Scroll Reveal Animation ─────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .step-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .step-block.reverse {
    direction: ltr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

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

  .builder-features {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 80px;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .proof-grid {
    grid-template-columns: 1fr;
  }

  .problem-list {
    grid-template-columns: 1fr;
  }

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

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

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

  .pricing-body {
    padding: 24px;
  }

  .nav-actions .btn-secondary {
    display: none;
  }

  .final-cta-actions {
    flex-direction: column;
  }

  .footer .container {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 28px;
  }

  .social-channels {
    grid-template-columns: 1fr;
  }

  .builder-features {
    grid-template-columns: 1fr;
  }

  .delegation-row {
    flex-direction: column;
    gap: 16px;
  }

  .delegation-arrow {
    transform: rotate(90deg);
  }
}

.input-command {
  font-size: 14px;
  border-radius: 6px;
  line-height: 1.5;
  padding: 20px 20px;
  transition: box-shadow 100ms ease-in, border 100ms ease-in, background-color 100ms ease-in;
  border: 2px solid #dee1e2;
  color: rgb(14, 14, 16);
  background: #dee1e2;
  display: block;
  height: 36px;
}

.input-command:hover {
    border-color: #ccc;
}

.input-command:focus{
    border-color: #9147ff;
    background: #fff;
}

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 16px;
  background-color: #333;
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease-in-out;
}

.toast-content {
  font-size: 14px;
}