/* ==========================================================================
   brainX - Design System & Modern Terminal Cyberpunk Styling
   ========================================================================== */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #0d0d0d;
  --bg-tertiary: #141414;
  --bg-card: #0f140f;
  --bg-card-alt: #101410;
  
  --accent: #12f94b;
  --accent-glow: rgba(18, 249, 75, 0.35);
  --accent-glow-strong: rgba(18, 249, 75, 0.6);
  --accent-subtle: rgba(18, 249, 75, 0.08);
  --accent-border: #2f5f3f;
  --accent-border-dark: #1c241c;
  
  --text-main: #ededed;
  --text-muted: #a3a3a3;
  --text-dim: #6b6b6b;
  --text-dark: #0a0a0a;
  
  --danger-color: #ff5f56;
  --danger-border: #2a1c1c;
  --danger-muted: #8a6b6b;
  
  --border-color: #1f1f1f;
  --border-dark: #161616;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --glow-opacity: 1;
}

/* CRT Mode Global Overlay & Effects */
body.crt-mode-active {
  background-color: #050a05;
  color: #d0fed8;
  text-shadow: 0 0 4px rgba(18, 249, 75, 0.6);
}

.crt-overlay {
  display: none;
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99999;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 4px, 6px 100%;
}

body.crt-mode-active .crt-overlay {
  display: block;
  animation: crtFlicker 0.15s infinite;
}

@keyframes crtFlicker {
  0% { opacity: 0.97; }
  50% { opacity: 1; }
  100% { opacity: 0.98; }
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-mono);
  line-height: 1.6;
  font-size: 15px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography Utilities */
.accent-text { color: var(--accent); }
.danger-text { color: var(--danger-color); }
.comment-text { color: var(--text-dim); }
.highlight-text { color: var(--text-main); }

.blinking-cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Buttons & CTAs */
.btn-primary {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
  background-color: var(--accent);
  padding: 10px 20px;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 24px var(--accent-glow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 36px var(--accent-glow-strong);
  background-color: #22ff59;
}

.btn-large {
  font-size: 15px;
  padding: 16px 32px;
  border-radius: 8px;
  box-shadow: 0 0 40px var(--accent-glow);
}

.btn-full {
  width: 100%;
}

/* CRT Mode Switch Toggle */
.crt-toggle-btn {
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.crt-toggle-btn:hover {
  border-color: var(--accent-border);
  color: var(--text-main);
}

.switch-track {
  width: 26px;
  height: 14px;
  border-radius: 999px;
  background: #1c1c1c;
  border: 1px solid #262626;
  position: relative;
  flex: none;
  display: inline-block;
}

.switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4a4a4a;
  transition: left 0.18s ease, background 0.18s ease;
}

.crt-toggle-btn.active {
  color: var(--accent);
  border-color: var(--accent-border);
}

.crt-toggle-btn.active .switch-track {
  background: var(--accent-border-dark);
  border-color: var(--accent-border);
}

.crt-toggle-btn.active .switch-thumb {
  left: 14px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 16px clamp(20px, 4vw, 48px);
  background: rgba(10, 10, 10, 0.92);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo-img {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  object-fit: cover;
}

.brand-text {
  font-weight: 800;
  font-size: 17px;
  color: var(--text-main);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: #8a8a8a;
  text-decoration: none;
  font-size: 13.5px;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: 84px clamp(20px, 4vw, 48px) 0;
  position: relative;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(800px 400px at 50% -10%, rgba(18, 249, 75, 0.08), transparent);
  pointer-events: none;
}

.terminal-tag {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(38px, 7vw, 76px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.04em;
  color: var(--text-main);
  text-wrap: balance;
  margin: 0;
  font-family: var(--font-sans);
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 640px;
  margin: 26px auto 34px;
  font-family: var(--font-mono);
}

.hero-cta-wrap {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 70px;
}

/* Interactive Prompt Demo Section */
.demo-section {
  padding: 0 clamp(20px, 4vw, 48px) 90px;
}

.demo-container {
  max-width: 1240px;
  margin: 0 auto;
  background: linear-gradient(rgba(18, 249, 75, 0.025) 1px, transparent 1px),
              linear-gradient(90deg, rgba(18, 249, 75, 0.025) 1px, transparent 1px),
              #0d0d0d;
  background-size: 120px 120px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 34px clamp(18px, 3vw, 40px) 48px;
  position: relative;
  overflow: hidden;
}

.demo-tablist {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #141414;
  border: 1px solid #222;
  border-radius: 12px;
  padding: 8px 10px;
  width: fit-content;
  margin-bottom: 44px;
}

.tablist-label {
  color: var(--accent);
  font-size: 12px;
  margin: 0 8px;
}

.demo-tab {
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  padding: 7px 15px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: #8a8a8a;
  transition: all 0.2s ease;
}

.demo-tab.active {
  background: var(--accent);
  color: var(--text-dark);
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
}

@media (max-width: 868px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }
}

.prompt-card {
  background: #f4f2ec;
  color: #141414;
  border-radius: 14px;
  padding: 24px;
  font-size: 14.5px;
  line-height: 1.6;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.55);
  position: relative;
}

.prompt-prefix {
  color: #0eaa38;
  font-weight: 800;
  margin-right: 6px;
}

.prompt-arrow-btn {
  margin-top: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.demo-dash {
  position: absolute;
  right: -44px;
  top: 50%;
  width: 44px;
  height: 2px;
  background: linear-gradient(90deg, rgba(18, 249, 75, 0.6), rgba(18, 249, 75, 0.1));
  background-size: 200% 100%;
  animation: dash 2.5s linear infinite;
}

@keyframes dash {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.agent-panel {
  background: rgba(13, 17, 13, 0.9);
  border: 1px solid var(--accent-border);
  border-radius: 14px;
  padding: 24px 26px;
  box-shadow: 0 0 60px rgba(18, 249, 75, 0.07);
}

.agent-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.agent-tag {
  font-size: 11px;
  color: var(--accent);
  background: #122417;
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  padding: 4px 10px;
}

.agent-action-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  font-family: var(--font-sans);
}

.agent-status-badge {
  font-size: 11px;
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 4px 12px;
  background: rgba(18, 249, 75, 0.06);
}

.pulse-dot {
  animation: pulse 2s ease-in-out infinite;
}

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

.demo-step {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px solid rgba(47, 95, 63, 0.25);
}

.demo-step:first-child {
  border-top: none;
}

.demo-step-label {
  font-size: 13.5px;
  color: #dcdcd4;
}

.demo-step-meta {
  color: var(--text-dim);
  font-size: 11px;
  white-space: nowrap;
}

/* Sections Global */
.section {
  padding: 90px clamp(20px, 4vw, 48px) 40px;
  max-width: 1240px;
  margin: 0 auto;
}

.section-tag {
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.033em;
  line-height: 1.05;
  color: var(--text-main);
  margin: 0;
  font-family: var(--font-sans);
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  margin: 14px 0 0;
}

/* 8-Agent Constellation Diagram */
.constellation-wrap {
  margin-top: 40px;
  position: relative;
}

.constellation-stage {
  position: relative;
  height: 640px;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  background: radial-gradient(circle at 50% 50%, rgba(18, 249, 75, 0.05), transparent 70%);
}

.center-node {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, #122417, #0d0d0d);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px var(--accent-glow);
  animation: glowPulse 2.6s ease-in-out infinite;
  z-index: 5;
  cursor: pointer;
}

.center-node img {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  object-fit: cover;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 30px rgba(18, 249, 75, 0.3); }
  50% { box-shadow: 0 0 60px rgba(18, 249, 75, 0.6); }
}

/* Satellite Nodes Positions */
.satellite-node {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 6;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.satellite-node:hover {
  transform: translate(-50%, -50%) scale(1.15);
}

.satellite-node .node-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: #141414;
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 22px rgba(18, 249, 75, 0.12);
  margin: 0 auto 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.satellite-node:hover .node-icon {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow-strong);
  background: #1a2a1c;
}

.satellite-node .node-label {
  color: #c8c8c8;
  font-size: 12.5px;
  white-space: nowrap;
  text-align: center;
  display: block;
}

/* Positions around circle */
.node-x { left: 50%; top: 8%; }
.node-linkedin { left: 78%; top: 20%; }
.node-reddit { left: 88%; top: 50%; }
.node-seo { left: 78%; top: 80%; }
.node-geo { left: 50%; top: 92%; }
.node-influencer { left: 22%; top: 80%; }
.node-writer { left: 12%; top: 50%; }
.node-analytics { left: 22%; top: 20%; }

/* Connecting Rays */
.laser-ray {
  position: absolute;
  left: 50%;
  top: 50%;
  height: 1.5px;
  background: linear-gradient(90deg, rgba(18, 249, 75, 0.6), rgba(18, 249, 75, 0.05));
  transform-origin: left center;
  pointer-events: none;
  z-index: 2;
}

.ray-1 { width: 250px; transform: rotate(-90deg); }
.ray-2 { width: 335px; transform: rotate(-33deg); }
.ray-3 { width: 380px; transform: rotate(0deg); }
.ray-4 { width: 335px; transform: rotate(33deg); }
.ray-5 { width: 250px; transform: rotate(90deg); }
.ray-6 { width: 335px; transform: rotate(147deg); }
.ray-7 { width: 380px; transform: rotate(180deg); }
.ray-8 { width: 335px; transform: rotate(-147deg); }

.agent-info-banner {
  background: #101410;
  border: 1px solid var(--accent-border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 0 30px rgba(18, 249, 75, 0.05);
}

.info-tag {
  font-size: 10.5px;
  color: var(--accent);
  background: #122417;
  border: 1px solid var(--accent-border);
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
}

.info-content {
  font-size: 13.5px;
  color: #dcdcd4;
}

/* Workflow Section */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  margin-top: 44px;
}

@media (max-width: 868px) {
  .workflow-grid {
    grid-template-columns: 1fr;
  }
}

.workflow-card {
  background: var(--bg-secondary);
  padding: 34px 30px;
}

.step-num {
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 14px;
}

.step-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 14px;
  font-family: var(--font-sans);
}

.terminal-box {
  background: var(--bg-card-alt);
  border: 1px solid var(--accent-border-dark);
  border-radius: 10px;
  padding: 16px;
  font-size: 12px;
  line-height: 1.9;
  color: #9fbfa8;
  min-height: 120px;
  white-space: pre-wrap;
}

.step-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 16px 0 0;
}

/* Cost Section */
.cost-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 44px;
}

@media (max-width: 868px) {
  .cost-grid {
    grid-template-columns: 1fr;
  }
}

.cost-card {
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 30px 34px;
}

.cost-card-old {
  border: 1px solid var(--danger-border);
}

.cost-card-new {
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  box-shadow: 0 0 60px rgba(18, 249, 75, 0.08);
}

.cost-card-header {
  font-size: 12px;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}

.cost-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-top: 1px solid var(--border-color);
  font-size: 13.5px;
  color: #c8c8c8;
}

.cost-card-old .cost-row {
  border-top-color: #1c1414;
}

.cost-card-new .cost-row {
  border-top-color: var(--accent-border-dark);
}

.cost-price-old {
  color: var(--danger-muted);
  white-space: nowrap;
}

.cost-total-row {
  font-size: 15px;
  font-weight: 800;
  margin-top: 8px;
  padding-top: 16px;
}

.cost-total-price {
  font-size: 18px;
}

/* Roadmap Section */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}

@media (max-width: 868px) {
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
}

.roadmap-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  position: relative;
}

.roadmap-card.act-active {
  border-color: var(--accent-border);
}

.act-roman {
  font-size: 44px;
  font-weight: 800;
  color: #3a3a3a;
  letter-spacing: -2px;
  line-height: 1;
}

.act-roman-green {
  color: var(--accent);
}

.act-badge {
  font-size: 12px;
  letter-spacing: 0.1em;
  margin: 6px 0 12px;
}

.act-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 12px;
  font-family: var(--font-sans);
}

.act-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
}

/* Workspace Integration Section */
.workspace-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 868px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }
}

.workspace-desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-muted);
  margin: 20px 0 0;
  max-width: 460px;
}

.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  font-size: 12px;
  color: var(--accent);
}

.platform-tag {
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 6px 14px;
}

/* Slack Simulation Box */
.slack-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.slack-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 18px;
  background: #121212;
  border-bottom: 1px solid var(--border-color);
}

.slack-channel-name {
  font-size: 13px;
  font-weight: 700;
}

.slack-meta {
  font-size: 10.5px;
  color: var(--text-dim);
}

.slack-messages {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.slack-msg {
  display: flex;
  gap: 12px;
}

.slack-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.avatar-user {
  background: #222;
  color: #9a9a9a;
}

.avatar-agent {
  background: #122417;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 700;
  font-size: 11px;
}

.slack-msg-body {
  flex: 1;
}

.slack-user-name {
  font-size: 12px;
  font-weight: 700;
  color: #c8c8c8;
}

.slack-time {
  font-weight: 400;
  color: #5a5a5a;
  font-size: 11px;
}

.badge-agent {
  font-size: 9px;
  color: var(--text-dark);
  background: var(--accent);
  border-radius: 4px;
  padding: 1px 6px;
  vertical-align: 1px;
  font-weight: 800;
}

.slack-text {
  font-size: 13px;
  color: #b4b4b4;
  line-height: 1.6;
  margin-top: 2px;
}

.slack-tasks-card {
  font-size: 11.5px;
  line-height: 2;
  background: #0a0f0a;
  border: 1px solid var(--accent-border-dark);
  border-radius: 8px;
  padding: 12px 14px;
  margin-top: 8px;
}

.task-title { color: #c8c8c8; }
.task-status { color: #5a5a5a; }

.slack-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.btn-slack-approve {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dark);
  background: var(--accent);
  border-radius: 6px;
  padding: 6px 14px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.btn-slack-approve:hover {
  opacity: 0.9;
}

.btn-slack-review {
  font-size: 11px;
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  padding: 6px 14px;
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-slack-review:hover {
  background: rgba(18, 249, 75, 0.06);
}

.slack-feedback-msg {
  font-size: 12px;
  color: var(--accent);
  margin-top: 8px;
  font-weight: 600;
}

/* FAQ Section */
.faq-section {
  max-width: 900px;
}

.faq-accordion {
  border-top: 1px solid var(--border-color);
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  width: 100%;
  padding: 22px 0;
  cursor: pointer;
  background: transparent;
  border: none;
  font-family: inherit;
  text-align: left;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-main);
  transition: color 0.2s ease;
}

.faq-trigger:hover {
  color: var(--accent);
}

.faq-icon {
  color: var(--accent);
  font-size: 18px;
  font-weight: 800;
}

.faq-content {
  display: none;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-muted);
  padding: 0 0 22px;
  max-width: 750px;
}

.faq-item.active .faq-content {
  display: block;
}

/* Bottom CTA Banner */
.bottom-cta-section {
  padding: 100px clamp(20px, 4vw, 48px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-glow-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 350px at 50% 100%, rgba(18, 249, 75, 0.1), transparent);
  pointer-events: none;
}

.bottom-cta-title {
  font-size: clamp(32px, 5.5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.036em;
  line-height: 1.05;
  margin: 18px 0 34px;
  font-family: var(--font-sans);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 64px clamp(20px, 4vw, 48px) 40px;
}

.footer-top {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-brand-col {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-muted);
}

.footer-links-cols {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-col-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-main);
}

.footer-col a {
  font-size: 13px;
  color: #8a8a8a;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  max-width: 1240px;
  margin: 48px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.copyright-text {
  color: #3a3a3a;
  font-size: 11px;
}

/* Modal Window Early Access */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(5, 10, 5, 0.85);
  backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-window {
  background: var(--bg-secondary);
  border: 1px solid var(--accent-border);
  border-radius: 20px;
  width: 100%;
  max-width: 520px;
  padding: 36px;
  box-shadow: 0 0 80px rgba(18, 249, 75, 0.15);
  position: relative;
  animation: modalFadeIn 0.25s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  cursor: pointer;
  transition: color 0.2s ease;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-header {
  margin-bottom: 24px;
}

.modal-title {
  font-size: 26px;
  font-weight: 800;
  margin: 8px 0;
  font-family: var(--font-sans);
}

.modal-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 12px;
  color: #c8c8c8;
  font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="url"] {
  background: #141814;
  border: 1px solid var(--accent-border-dark);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(18, 249, 75, 0.2);
}

.channels-checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  background: #121612;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--accent-border-dark);
}

.checkbox-label {
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-label input {
  accent-color: var(--accent);
}

.form-success-msg {
  text-align: center;
  padding: 20px 0;
}

.success-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  margin: 0 auto 16px;
  box-shadow: 0 0 30px var(--accent-glow);
}

.form-success-msg h4 {
  font-size: 20px;
  margin-bottom: 8px;
}

.form-success-msg p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}