/* ==========================================================================
   Arrows Agent (agent.arrows.jp) - Stylesheet
   Design: Dark Futuristic Glassmorphism & High-Converting Tech LP
   ========================================================================== */

/* --- 1. CSS Reset & Base Variables --- */
:root {
  /* Color Scheme */
  --bg-primary: #0b1120;
  --bg-secondary: #0f172a;
  --bg-tertiary: #131d35;
  --card-bg: rgba(30, 41, 59, 0.65);
  --card-bg-hover: rgba(30, 41, 59, 0.85);
  
  /* Brand Accent Colors */
  --line-green: #06c755;
  --line-green-hover: #05b04b;
  --line-green-glow: rgba(6, 199, 85, 0.35);
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.3);
  --tech-cyan: #38bdf8;
  --tech-cyan-glow: rgba(56, 189, 248, 0.25);
  
  /* Typography Colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Borders & Glassmorphism */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(6, 199, 85, 0.4);
  --glass-blur: blur(16px);
  
  /* Layout & Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --container-max-width: 1200px;
  --header-height: 104px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  
  /* Transitions */
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(6, 199, 85, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(56, 189, 248, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

/* Typography Base */
h1, h2, h3, h4, .brand-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-normal);
}

ul {
  list-style: none;
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Section Common Header */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(6, 199, 85, 0.1);
  border: 1px solid rgba(6, 199, 85, 0.25);
  color: var(--line-green);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.section-tag.cyan {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.25);
  color: var(--tech-cyan);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, var(--line-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, #ffffff 20%, var(--tech-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- 2. Header & Navigation --- */
.announcement-bar {
  background: linear-gradient(90deg, #047857 0%, #06c755 50%, #0284c7 100%);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 7px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  position: relative;
  z-index: 1001;
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.announcement-tag {
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.announcement-link {
  color: #ffffff;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.2s;
}

.announcement-link:hover {
  opacity: 0.85;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition-normal);
  background: rgba(11, 17, 32, 0.75);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-glass);
}

.site-header.scrolled {
  background: rgba(11, 17, 32, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
}

.brand-logo .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--line-green), var(--tech-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--line-green-glow);
}

.brand-logo .powered-tag {
  font-size: 0.68rem;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--line-green);
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--line-green), var(--emerald));
  color: #ffffff;
  box-shadow: 0 4px 20px var(--line-green-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(6, 199, 85, 0.5);
}

.btn-secondary {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  border-color: var(--border-glass-hover);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Mobile Menu Button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* --- 3. Hero Section --- */
.hero-section {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 90px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 9999px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-glass);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.hero-badge .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-green);
  box-shadow: 0 0 10px var(--line-green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-cta-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 48px;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.trust-item svg {
  color: var(--line-green);
}

/* Hero Phone Mockup Preview */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-mockup-frame {
  width: 320px;
  height: 640px;
  background: #111827;
  border: 10px solid #1f2937;
  border-radius: 46px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7), 0 0 40px rgba(6, 199, 85, 0.2);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-speaker-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 20px;
  background: #1f2937;
  border-radius: 12px;
  z-index: 10;
}

.phone-screen {
  flex: 1;
  background: #1a2234;
  padding: 44px 16px 16px 16px;
  display: flex;
  flex-direction: column;
}

.phone-chat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 16px;
}

.phone-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--line-green), var(--tech-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
}

.phone-chat-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.phone-chat-status {
  font-size: 0.72rem;
  color: var(--line-green);
}

.chat-bubble-stream {
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
  flex: 1;
  padding-right: 4px;
}

.bubble {
  max-width: 86%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.84rem;
  line-height: 1.5;
  animation: fadeInBubble 0.4s ease forwards;
}

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

.bubble.user {
  align-self: flex-end;
  background: #2563eb;
  color: #fff;
  border-bottom-right-radius: 4px;
}

.bubble.bot {
  align-self: flex-start;
  background: #243046;
  color: #f1f5f9;
  border-bottom-left-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.bubble .highlight {
  color: var(--tech-cyan);
  font-weight: 600;
}

/* --- 4. Problem Section --- */
.section-problem {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.6);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.problem-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  backdrop-filter: var(--glass-blur);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.problem-card:hover {
  transform: translateY(-5px);
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 15px 35px rgba(239, 68, 68, 0.1);
}

.problem-card .icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.problem-card h3 {
  font-size: 1.25rem;
  margin-bottom: 14px;
  color: #fff;
}

.problem-card p {
  font-size: 0.95rem;
  line-height: 1.65;
}

/* --- 5. Features / Solution Section --- */
.section-features {
  padding: 120px 0;
}

.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 44px 36px;
  backdrop-filter: var(--glass-blur);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.feature-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--line-green-glow);
}

.feature-card .feature-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--line-green);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.feature-card .feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: rgba(6, 199, 85, 0.12);
  color: var(--line-green);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-card.cyan .feature-icon {
  background: rgba(56, 189, 248, 0.12);
  color: var(--tech-cyan);
}

.feature-card.cyan .feature-num {
  color: var(--tech-cyan);
}

.feature-card h3 {
  font-size: 1.45rem;
}

.feature-card p {
  font-size: 1rem;
  line-height: 1.7;
}

/* --- 6. Interactive LINE Demo Section --- */
.section-demo {
  padding: 120px 0;
  background: radial-gradient(circle at 50% 50%, rgba(6, 199, 85, 0.08) 0%, transparent 60%);
}

.demo-container-box {
  background: rgba(19, 29, 53, 0.7);
  border: 1px solid rgba(6, 199, 85, 0.3);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.demo-controls h3 {
  font-size: 1.85rem;
  margin-bottom: 16px;
}

.demo-controls p {
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.demo-buttons-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.demo-action-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  text-align: left;
}

.demo-action-btn:hover, .demo-action-btn.active {
  background: rgba(6, 199, 85, 0.15);
  border-color: var(--line-green);
  box-shadow: 0 0 25px var(--line-green-glow);
  transform: translateX(6px);
}

.demo-action-btn .btn-text-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.demo-action-btn .subtext {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  display: block;
}

.demo-phone-display {
  display: flex;
  justify-content: center;
}

.interactive-phone {
  width: 330px;
  height: 580px;
  background: #101624;
  border: 8px solid #283548;
  border-radius: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.phone-top-bar {
  padding: 12px 18px;
  background: #1a2333;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.phone-screen-body {
  flex: 1;
  padding: 16px;
  background: #0d131f;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

/* Typing Indicator Animation */
.typing-indicator {
  display: none;
  align-self: flex-start;
  background: #1e293b;
  padding: 10px 16px;
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  gap: 6px;
  align-items: center;
}

.typing-indicator.active {
  display: flex;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--tech-cyan);
  border-radius: 50%;
  display: inline-block;
  animation: typingBounce 1.2s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-6px); opacity: 1; }
}

/* QR Code Real Device Demo Card */
.demo-qr-card {
  margin-top: 56px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.7) 100%);
  border: 1px solid rgba(6, 199, 85, 0.35);
  border-radius: var(--radius-xl);
  padding: 40px 48px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 35px rgba(6, 199, 85, 0.15);
}

.demo-qr-figure {
  background: #ffffff;
  padding: 14px;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 178px;
}

.demo-qr-figure img {
  width: 150px;
  height: 150px;
  display: block;
}

.demo-qr-caption {
  margin-top: 10px;
  font-size: 0.75rem;
  color: #0b1120;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.demo-qr-content h4 {
  font-size: 1.45rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
}

.demo-qr-content p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.demo-qr-steps {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.demo-qr-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
  background: rgba(0, 0, 0, 0.25);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-qr-step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--line-green);
  color: #0b1120;
  font-size: 0.78rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mobile-only-btn {
  display: none;
}

/* --- 7. Use Cases Section --- */
.section-usecases {
  padding: 120px 0;
  background: rgba(15, 23, 42, 0.5);
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.usecase-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition-normal);
}

.usecase-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-green);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 25px var(--line-green-glow);
}

.usecase-card .tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--line-green);
  font-weight: 600;
}

.usecase-card h3 {
  font-size: 1.3rem;
  color: #fff;
}

.usecase-card p {
  font-size: 0.95rem;
  line-height: 1.65;
}

.usecase-card .example-box {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 0.85rem;
  border-left: 3px solid var(--tech-cyan);
  color: #e2e8f0;
  margin-top: auto;
}

/* --- 8. Security & Infrastructure Section --- */
.section-security {
  padding: 120px 0;
  position: relative;
}

.security-box {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.security-points {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sec-point-item {
  display: flex;
  gap: 18px;
}

.sec-point-item .sec-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--tech-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sec-point-item h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: #fff;
}

.sec-point-item p {
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Architecture Mock Graphic */
.architecture-card {
  background: rgba(11, 17, 32, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.arch-header {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--tech-cyan);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.arch-diagram-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.arch-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(30, 41, 59, 0.6);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  border: 1px solid rgba(255,255,255,0.04);
}

.arch-node .status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--emerald);
}

/* --- 9. Process (How It Works) Section --- */
.section-process {
  padding: 120px 0;
}

.process-steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
}

.step-card:hover {
  border-color: var(--line-green);
  transform: translateY(-6px);
}

.step-badge {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(6, 199, 85, 0.15);
  color: var(--line-green);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  box-shadow: 0 0 20px var(--line-green-glow);
}

.step-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.88rem;
  line-height: 1.6;
}

/* --- 10. Pricing Section --- */
.section-pricing {
  padding: 120px 0;
  background: rgba(15, 23, 42, 0.6);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

/* Coconala Monitor Special Card */
.monitor-special-card {
  background: linear-gradient(135deg, rgba(6, 199, 85, 0.12) 0%, rgba(30, 41, 59, 0.95) 50%, rgba(56, 189, 248, 0.1) 100%);
  border: 2px solid var(--line-green);
  border-radius: var(--radius-xl);
  padding: 44px;
  margin-bottom: 56px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px var(--line-green-glow);
}

.monitor-special-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(6, 199, 85, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.monitor-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.monitor-badge-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.badge-coconala {
  background: #ff5722;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 9999px;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-limited {
  background: rgba(6, 199, 85, 0.2);
  border: 1px solid var(--line-green);
  color: var(--line-green);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  animation: pulse-dot 2.5s infinite;
}

.monitor-title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  line-height: 1.3;
  margin-bottom: 12px;
  color: #ffffff;
}

.monitor-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.monitor-points-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.monitor-points-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--text-main);
}

.monitor-points-list li svg {
  color: var(--line-green);
  flex-shrink: 0;
}

.monitor-action-box {
  background: rgba(11, 17, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.monitor-price-strike {
  font-size: 0.95rem;
  color: var(--text-dim);
  text-decoration: line-through;
  margin-bottom: 6px;
}

.monitor-price-main {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 14px;
}

.monitor-price-val {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  text-shadow: 0 0 30px var(--line-green-glow);
}

.monitor-price-unit {
  font-size: 0.88rem;
  color: var(--line-green);
  font-weight: 700;
}

.monitor-btn-coconala {
  width: 100%;
  padding: 16px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  background: linear-gradient(135deg, #06c755, #10b981);
  color: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px var(--line-green-glow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition-normal);
  margin-bottom: 14px;
}

.monitor-btn-coconala:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px var(--line-green-glow);
  background: linear-gradient(135deg, #05b04b, #059669);
  color: #ffffff;
}

.monitor-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1240px;
  margin: 0 auto 56px auto;
  align-items: stretch;
}

.price-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 44px 28px;
  backdrop-filter: var(--glass-blur);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.price-card.featured {
  border-color: var(--line-green);
  background: linear-gradient(180deg, rgba(6, 199, 85, 0.1) 0%, rgba(30, 41, 59, 0.95) 100%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px var(--line-green-glow);
  transform: translateY(-8px);
}

.featured-pill {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--line-green);
  color: #0b1120;
  padding: 4px 18px;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 0 15px var(--line-green-glow);
}

.price-plan-name {
  font-size: 1.45rem;
  margin-bottom: 8px;
}

.price-plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 42px;
  line-height: 1.5;
}

.price-amount-wrap {
  margin-bottom: 16px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 2.35rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.price-unit {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.price-monthly-wrap {
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.monthly-label {
  font-size: 0.8rem;
  color: var(--tech-cyan);
  font-weight: 600;
}

.monthly-amount {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.price-features-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.price-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: #cbd5e1;
  line-height: 1.45;
}

.price-features-list li svg {
  color: var(--line-green);
  flex-shrink: 0;
  margin-top: 2px;
}

.price-card .btn {
  margin-top: auto;
  width: 100%;
}

/* Cloud Infrastructure Transparency Box */
.cloud-cost-transparency {
  max-width: 1240px;
  margin: 0 auto;
  background: rgba(11, 17, 32, 0.75);
  border: 1px dashed rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.transparency-text h4 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.transparency-text p {
  font-size: 0.92rem;
}

.transparency-price-badge {
  text-align: right;
  flex-shrink: 0;
}

.transparency-price-badge .est-label {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.transparency-price-badge .est-value {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--tech-cyan);
}

/* --- 11. FAQ Section --- */
.section-faq {
  padding: 120px 0;
}

.faq-accordion-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-question-btn {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-toggle-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  background: var(--line-green);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-inner {
  padding: 0 28px 24px 28px;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* --- 12. Final CTA Section --- */
.section-final-cta {
  padding: 120px 0;
  text-align: center;
  position: relative;
}

.cta-banner-box {
  background: linear-gradient(135deg, rgba(6, 199, 85, 0.15) 0%, rgba(30, 41, 59, 0.9) 100%);
  border: 1px solid rgba(6, 199, 85, 0.4);
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  max-width: 960px;
  margin: 0 auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 50px var(--line-green-glow);
}

.cta-banner-box h2 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  margin-bottom: 20px;
}

.cta-banner-box p {
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 40px auto;
}

/* --- 13. Footer --- */
.site-footer {
  padding: 60px 0 36px 0;
  border-top: 1px solid var(--border-glass);
  background: #080d18;
}

.footer-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-links {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-bottom-row {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta-wrap {
    justify-content: center;
  }
  
  .hero-trust-row {
    justify-content: center;
  }
  
  .demo-container-box {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .security-box {
    grid-template-columns: 1fr;
  }
  
  .process-steps-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-cards-grid {
    grid-template-columns: 1fr;
    max-width: 540px;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(11, 17, 32, 0.95);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
  }

  .nav-links.mobile-open {
    display: flex;
  }
  
  .header-cta-group .btn-secondary {
    display: none;
  }
  
  .problem-grid, .feature-cards-grid, .usecases-grid, .pricing-cards-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps-row {
    grid-template-columns: 1fr;
  }
  
  .cloud-cost-transparency {
    flex-direction: column;
    text-align: center;
  }
  
  .transparency-price-badge {
    text-align: center;
  }
  
  .demo-container-box {
    padding: 32px 20px;
  }
  
  .interactive-phone {
    width: 100%;
    max-width: 320px;
  }

  /* Responsive QR Demo Card */
  .demo-qr-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 32px 20px;
    gap: 28px;
  }

  .demo-qr-figure {
    margin: 0 auto;
  }

  .demo-qr-content h4 {
    justify-content: center;
  }

  .demo-qr-steps {
    flex-direction: column;
    text-align: left;
    max-width: 340px;
    margin: 0 auto 20px auto;
  }

  .mobile-only-btn {
    display: inline-flex;
    width: 100%;
  }

  /* Responsive Monitor Card */
  .monitor-special-card {
    padding: 32px 20px;
  }

  .monitor-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .monitor-badge-strip {
    justify-content: center;
  }

  .monitor-title {
    text-align: center;
  }

  .monitor-desc {
    text-align: center;
  }

  .monitor-points-list {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 0 auto;
  }

  .announcement-bar {
    font-size: 0.76rem;
    padding: 6px 10px;
  }

  .announcement-inner {
    gap: 6px;
  }
}