/* ==========================================================================
   P'Hook (พี่ฮูก) LINE Bot Landing Page Stylesheet
   Theme: Mint Pastel (โทนเขียวพาสเทล) Based on brand.json
   ========================================================================== */

:root {
  /* Brand Mint Pastel Palette */
  --primary: #0F766E;
  --primary-dark: #0B5D4F;
  --primary-light: #14B8A6;
  --primary-soft: #CCFBF1;
  --primary-tint: #F0FDF4;
  --primary-surface: #E6FBF7;
  
  --accent: #1ABC9C;
  --accent-soft: #D1FAE5;
  
  --head-title: #0B5D4F;
  --head-sub: #3F6B63;
  --body-deep: #14352E;
  --body-muted: #52796F;
  
  /* LINE Official Green */
  --line-green: #06C755;
  --line-green-hover: #05B34C;
  --line-dark: #038A3A;

  /* Neutral tones */
  --white: #FFFFFF;
  --bg-page: #F6FBF9;
  --bg-card: #FFFFFF;
  --border-light: #E0F2E9;
  --border-hover: #A7F3D0;
  
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-700: #334155;
  --gray-800: #1E293B;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(15, 118, 110, 0.05);
  --shadow-sm: 0 4px 10px rgba(15, 118, 110, 0.06);
  --shadow-md: 0 10px 25px rgba(15, 118, 110, 0.08);
  --shadow-lg: 0 20px 40px rgba(15, 118, 110, 0.12);
  --shadow-phone: 0 25px 60px -15px rgba(15, 118, 110, 0.25);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Typography */
  --font-heading: 'Kanit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Sarabun', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--body-deep);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .brand-name, .btn, .section-tag, .chip, .cat-pill {
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background-color: var(--primary-soft);
  color: var(--primary-dark);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.88em;
  font-weight: 500;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* ==========================================================================
   Buttons & Pills
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.6rem;
  font-size: 1rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0D9488 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0D655E 0%, #0F766E 100%);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.35);
}

.btn-line {
  background: linear-gradient(135deg, var(--line-green) 0%, #05B34C 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(6, 199, 85, 0.28);
}

.btn-line:hover {
  background: linear-gradient(135deg, #05B34C 0%, #049740 100%);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.38);
}

.btn-secondary {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.btn-secondary:hover {
  background: #B2F5EA;
  color: var(--head-title);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-light);
  color: var(--primary-dark);
  background-color: var(--white);
}

.btn-outline:hover {
  border-color: var(--primary);
  background-color: var(--primary-soft);
  color: var(--primary);
}

.btn-sm {
  padding: 0.45rem 1.1rem;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.1rem;
}

.btn-block {
  width: 100%;
}

.shadow-hover {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* ==========================================================================
   Header & Announcement Bar
   ========================================================================== */
.announcement-bar {
  background: linear-gradient(90deg, #0F766E 0%, #14B8A6 100%);
  color: var(--white);
  padding: 0.55rem 0;
  font-size: 0.88rem;
  text-align: center;
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.badge-pill {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.announcement-link {
  color: #FEF08A;
  font-weight: 600;
  text-decoration: underline;
  margin-left: 0.25rem;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 251, 249, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background-color: var(--primary-soft);
  padding: 2px;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--head-title);
  line-height: 1.1;
  display: block;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--body-muted);
  font-family: var(--font-body);
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-item {
  color: var(--body-deep);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.25s ease;
}

.nav-item:hover {
  color: var(--primary);
}

.nav-item:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--head-title);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 5rem;
  position: relative;
  background: radial-gradient(circle at 10% 20%, rgba(204, 251, 241, 0.45) 0%, transparent 50%),
              radial-gradient(circle at 90% 80%, rgba(209, 250, 229, 0.45) 0%, transparent 50%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--white);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--primary-dark);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--line-green);
  border-radius: 50%;
  box-shadow: 0 0 0 rgba(6, 199, 85, 0.4);
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0% { box-shadow: 0 0 0 0 rgba(6, 199, 85, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(6, 199, 85, 0); }
  100% { box-shadow: 0 0 0 0 rgba(6, 199, 85, 0); }
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.2;
  color: var(--head-title);
  margin-bottom: 1.4rem;
  font-weight: 700;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #14B8A6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--body-muted);
  line-height: 1.75;
  margin-bottom: 2.2rem;
  max-width: 580px;
}

.hero-desc em {
  font-style: normal;
  color: var(--primary-dark);
  font-weight: 600;
  background-color: var(--primary-soft);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--border-light);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--body-muted);
  font-weight: 500;
}

.trust-icon {
  font-size: 1.05rem;
}

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

.phone-frame {
  width: 320px;
  background: #F8FAFC;
  border-radius: 40px;
  border: 10px solid #1E293B;
  box-shadow: var(--shadow-phone);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.phone-notch {
  width: 120px;
  height: 18px;
  background: #1E293B;
  margin: 0 auto;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  position: relative;
  z-index: 10;
}

.phone-header {
  background-color: #273246;
  color: var(--white);
  padding: 0.6rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.line-chat-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--white);
}

.chat-name {
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.verified-badge {
  background-color: var(--line-green);
  color: var(--white);
  font-size: 0.6rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.chat-status {
  font-size: 0.68rem;
  color: #94A3B8;
}

.phone-body {
  background-color: #7288A2;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 0);
  background-size: 16px 16px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  height: 380px;
  overflow-y: hidden;
}

.chat-date-pill {
  align-self: center;
  background: rgba(0, 0, 0, 0.2);
  color: rgba(255, 255, 255, 0.9);
  padding: 0.15rem 0.65rem;
  border-radius: 10px;
  font-size: 0.7rem;
}

.chat-bubble {
  max-width: 80%;
  padding: 0.5rem 0.8rem;
  border-radius: 16px;
  font-size: 0.85rem;
  line-height: 1.4;
  position: relative;
  word-break: break-word;
}

.user-bubble {
  align-self: flex-end;
  background-color: #85E249;
  color: #111827;
  border-bottom-right-radius: 3px;
}

.msg-time {
  display: block;
  font-size: 0.6rem;
  color: rgba(0, 0, 0, 0.45);
  text-align: right;
  margin-top: 2px;
}

.bot-msg-group {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
}

.bot-avatar-sm {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--white);
  flex-shrink: 0;
}

.bot-card-preview {
  max-width: 230px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-img-fit {
  width: 100%;
  display: block;
}

.phone-footer-mock {
  background-color: #FFFFFF;
  padding: 0.55rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #E2E8F0;
  font-size: 0.75rem;
  color: #94A3B8;
}

.mock-send {
  color: var(--primary);
  font-size: 1rem;
}

/* Floating badges near phone */
.floating-badge {
  position: absolute;
  background: var(--white);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--border-light);
  animation: floatAnim 4s ease-in-out infinite;
  z-index: 5;
}

.badge-top {
  top: 15%;
  left: -20px;
}

.badge-bottom {
  bottom: 12%;
  right: -25px;
  animation-delay: 2s;
}

.floating-badge .badge-icon {
  font-size: 1.6rem;
}

.floating-badge strong {
  display: block;
  font-size: 0.88rem;
  color: var(--head-title);
}

.floating-badge small {
  color: var(--body-muted);
  font-size: 0.75rem;
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   Interactive LINE Chat Simulator (#tell)
   ========================================================================== */
.simulator-section {
  padding: 5rem 0;
  background-color: var(--white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--primary);
  background-color: var(--primary-soft);
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.8rem;
}

.section-title {
  font-size: 2.3rem;
  color: var(--head-title);
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--body-muted);
  max-width: 650px;
  margin: 0 auto 3rem;
}

.sim-presets {
  margin-bottom: 1.8rem;
}

.presets-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--head-title);
  margin-bottom: 0.6rem;
}

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  color: var(--body-deep);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip:hover {
  background: var(--primary-soft);
  border-color: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.2);
}

.sim-device-container {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--primary-tint);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.sim-phone {
  background: #F8FAFC;
  border-radius: 28px;
  border: 6px solid #1E293B;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 540px;
}

.sim-phone-header {
  background: #273246;
  color: var(--white);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sim-header-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.sim-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--white);
}

.sim-bot-title {
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.sim-bot-subtitle {
  font-size: 0.68rem;
  color: #94A3B8;
}

.sim-mode-badge {
  background: rgba(255, 255, 255, 0.15);
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.sim-chat-area {
  flex: 1;
  background-color: #8C9EB5;
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 0);
  background-size: 16px 16px;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sim-msg-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  width: 100%;
}

.user-row {
  justify-content: flex-end;
}

.bot-row {
  justify-content: flex-start;
}

.sim-bot-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--white);
  flex-shrink: 0;
}

.sim-bot-content {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-width: 82%;
}

.sim-bubble {
  padding: 0.65rem 0.95rem;
  border-radius: 18px;
  font-size: 0.88rem;
  line-height: 1.45;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  word-break: break-word;
}

.user-bubble-sim {
  background-color: #85E249;
  color: #0F172A;
  border-bottom-right-radius: 3px;
  max-width: 80%;
}

.bot-bubble {
  background-color: var(--white);
  color: #1E293B;
  border-bottom-left-radius: 3px;
}

.card-bubble-container {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
  background: var(--white);
  max-width: 280px;
}

.sim-card-img {
  width: 100%;
  display: block;
}

.sim-input-bar {
  background: #FFFFFF;
  padding: 0.65rem 0.85rem;
  border-top: 1px solid #E2E8F0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sim-btn-icon {
  background: none;
  border: none;
  color: #64748B;
  cursor: pointer;
  padding: 0.3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.sim-btn-icon:hover {
  background-color: #F1F5F9;
  color: var(--primary);
}

.sim-text-input {
  flex: 1;
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-full);
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s ease;
}

.sim-text-input:focus {
  border-color: var(--primary);
  background: var(--white);
}

.sim-send-btn {
  background: var(--primary);
  color: var(--white);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.sim-send-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.sim-info-box {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.info-badge {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: 0.4rem;
}

.sim-info-header h3 {
  font-size: 1.8rem;
  color: var(--head-title);
  margin-bottom: 1rem;
}

.sim-info-text {
  color: var(--body-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.8rem;
}

.sim-info-features {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.2rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--body-deep);
}

.check-icon {
  width: 22px;
  height: 22px;
  background-color: var(--primary-soft);
  color: var(--primary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: bold;
  flex-shrink: 0;
}

/* Typing Indicator Animation */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.65rem 0.95rem;
  background: var(--white);
  border-radius: 18px;
  border-bottom-left-radius: 3px;
  width: fit-content;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background-color: #94A3B8;
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* ==========================================================================
   Features Section (6 Core Pillars)
   ========================================================================== */
.features-section {
  padding: 5.5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

.highlight-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #F0FDF4 100%);
  border-color: #A7F3D0;
}

.feature-icon-wrapper {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.4rem;
}

.bg-mint-soft { background-color: #CCFBF1; }
.bg-teal-soft { background-color: #E6FBF7; }
.bg-emerald-soft { background-color: #D1FAE5; }
.bg-sky-soft { background-color: #E0F2FE; }
.bg-amber-soft { background-color: #FEF3C7; }
.bg-rose-soft { background-color: #FCE7F3; }

.feature-badge {
  position: absolute;
  top: 1.8rem;
  right: 1.8rem;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.plan-free { background-color: #E2E8F0; color: #475569; }
.plan-pro { background-color: var(--primary-soft); color: var(--primary-dark); }
.plan-elite { background-color: #EDE9FE; color: #6D28D9; }

.feature-title {
  font-size: 1.35rem;
  color: var(--head-title);
  margin-bottom: 0.8rem;
}

.feature-text {
  color: var(--body-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.4rem;
  flex: 1;
}

.feature-list {
  list-style: none;
  border-top: 1px dashed var(--border-light);
  padding-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.88rem;
  color: var(--body-deep);
}

.feature-list li::before {
  content: "•";
  color: var(--primary);
  font-weight: bold;
  display: inline-block;
  width: 1em;
}

/* ==========================================================================
   LIFF Web App Showcase
   ========================================================================== */
.webapp-section {
  padding: 5rem 0;
  background-color: var(--white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.webapp-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.webapp-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 0.65rem 1.3rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--body-muted);
  cursor: pointer;
  transition: all 0.25s ease;
}

.webapp-tab:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.webapp-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
}

.webapp-display {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.webapp-phone-mockup {
  background: #1E293B;
  border-radius: 40px;
  padding: 10px;
  box-shadow: var(--shadow-phone);
  max-width: 340px;
  margin: 0 auto;
}

.mockup-bezel {
  border-radius: 32px;
  overflow: hidden;
  background: #000;
}

.app-screen-img {
  width: 100%;
  display: block;
  transition: opacity 0.3s ease;
}

.webapp-detail-card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.webapp-detail-title {
  font-size: 2rem;
  color: var(--head-title);
}

.webapp-detail-desc {
  font-size: 1.1rem;
  color: var(--body-muted);
  line-height: 1.7;
}

.webapp-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1rem 0;
}

.webapp-point {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--body-deep);
}

.point-bullet {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
}

.liff-badge {
  display: inline-block;
  background: var(--primary-tint);
  border: 1px solid var(--border-light);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--primary-dark);
  font-weight: 500;
}

/* ==========================================================================
   5 Bot Personas
   ========================================================================== */
.personas-section {
  padding: 5.5rem 0;
}

.personas-container {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.personas-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.persona-tab {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.2rem;
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: all 0.25s ease;
  font-family: var(--font-body);
}

.persona-tab:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.persona-tab.active {
  background: var(--primary-soft);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.12);
}

.persona-emoji {
  font-size: 1.8rem;
}

.persona-tab-info strong {
  display: block;
  font-size: 1rem;
  color: var(--head-title);
  font-family: var(--font-heading);
}

.persona-tab-info small {
  color: var(--body-muted);
  font-size: 0.82rem;
}

.persona-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-special {
  background: #FEF08A;
  color: #854D0E;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
}

.persona-preview-box {
  background: linear-gradient(135deg, #F0FDF4 0%, #E6FBF7 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.persona-chat-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.stage-owl {
  position: relative;
}

.stage-owl-img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--white);
  padding: 6px;
  box-shadow: var(--shadow-md);
}

.stage-emoji-badge {
  position: absolute;
  bottom: 0;
  right: -5px;
  font-size: 1.8rem;
}

.dialogue-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.dialogue-name {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--head-title);
  font-family: var(--font-heading);
}

.dialogue-tag {
  background: var(--white);
  border: 1px solid var(--border-light);
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  color: var(--body-muted);
}

.dialogue-quote {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--body-deep);
  line-height: 1.6;
  background: var(--white);
  padding: 1.4rem 1.8rem;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  margin-bottom: 1.2rem;
}

.dialogue-quote::before {
  content: '“';
  font-size: 3rem;
  color: var(--primary-soft);
  position: absolute;
  top: -10px;
  left: 15px;
  font-family: Georgia, serif;
}

.dialogue-desc {
  font-size: 0.95rem;
  color: var(--body-muted);
  max-width: 480px;
}

/* ==========================================================================
   Commands Explorer (Cheatsheet)
   ========================================================================== */
.commands-section {
  padding: 5rem 0;
  background-color: var(--white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.explorer-controls {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.search-input-wrapper {
  position: relative;
  max-width: 580px;
  margin: 0 auto;
  width: 100%;
}

.search-input-wrapper svg {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
}

.search-input-wrapper input {
  width: 100%;
  padding: 0.85rem 1.2rem 0.85rem 3rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  background-color: var(--bg-page);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: all 0.25s ease;
}

.search-input-wrapper input:focus {
  border-color: var(--primary);
  background-color: var(--white);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.cat-pill {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--body-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cat-pill:hover {
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.cat-pill.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.commands-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  max-height: 520px;
  overflow-y: auto;
  padding: 0.5rem;
}

.cmd-card {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.6rem;
  transition: all 0.2s ease;
}

.cmd-card:hover {
  background: var(--white);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.cmd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.cmd-code {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--head-title);
  background: var(--white);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  word-break: break-all;
}

.cmd-plan-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

.cmd-does {
  font-size: 0.85rem;
  color: var(--body-muted);
}

.cmd-copy-btn {
  align-self: flex-end;
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.78rem;
  cursor: pointer;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.cmd-copy-btn:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Pricing & Plans
   ========================================================================== */
.pricing-section {
  padding: 5.5rem 0;
}

.billing-toggle-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--white);
  border: 1px solid var(--border-light);
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-full);
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-xs);
}

.billing-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-500);
}

.billing-label.active {
  color: var(--head-title);
  font-weight: 600;
}

.discount-tag {
  background-color: #FEF08A;
  color: #854D0E;
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  margin-left: 0.25rem;
}

.billing-switch {
  width: 48px;
  height: 26px;
  background-color: var(--primary);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  position: relative;
  transition: background-color 0.2s ease;
}

.switch-handle {
  width: 20px;
  height: 20px;
  background-color: var(--white);
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 25px; /* Default Yearly */
  transition: left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.billing-switch[aria-checked="false"] .switch-handle {
  left: 3px; /* Monthly */
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.featured-plan {
  border: 2px solid var(--primary);
  box-shadow: 0 15px 35px rgba(15, 118, 110, 0.12);
  transform: scale(1.03);
  z-index: 2;
}

.featured-plan:hover {
  transform: scale(1.03) translateY(-5px);
}

.popular-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary) 0%, #14B8A6 100%);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.25);
}

.plan-badge-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--body-muted);
  background: var(--bg-page);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.pill-featured {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.plan-name {
  font-size: 1.8rem;
  color: var(--head-title);
  margin-bottom: 0.35rem;
}

.plan-tagline {
  font-size: 0.88rem;
  color: var(--body-muted);
  min-height: 42px;
  margin-bottom: 1.5rem;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 0.3rem;
}

.plan-price .currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--head-title);
}

.plan-price .price-val {
  font-size: 3rem;
  font-weight: 700;
  color: var(--head-title);
  line-height: 1;
  font-family: var(--font-heading);
}

.plan-price .period {
  font-size: 0.88rem;
  color: var(--body-muted);
}

.original-price-note {
  font-size: 0.8rem;
  color: #DC2626;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.trial-note {
  font-size: 0.82rem;
  color: var(--primary-dark);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.plan-features {
  list-style: none;
  border-top: 1px solid var(--border-light);
  padding-top: 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.92rem;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--body-deep);
}

.disabled-feature {
  color: var(--gray-400) !important;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 5.5rem 0;
  background-color: var(--white);
  border-top: 1px solid var(--border-light);
}

.faq-container {
  max-width: 820px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
  background: var(--bg-page);
}

.faq-item.active {
  background: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--head-title);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-heading);
}

.faq-chevron {
  font-size: 1.1rem;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--body-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 350px;
  padding: 0 1.5rem 1.4rem;
}

/* ==========================================================================
   Privacy & Security Section
   ========================================================================== */
.privacy-section {
  padding: 4.5rem 0;
}

.privacy-box {
  background: linear-gradient(135deg, #E6FBF7 0%, #F0FDF4 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 3rem;
  text-align: center;
}

.privacy-badge {
  display: inline-block;
  background: var(--white);
  border: 1px solid var(--border-light);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.privacy-title {
  font-size: 2.1rem;
  color: var(--head-title);
  margin-bottom: 0.8rem;
}

.privacy-subtitle {
  font-size: 1.05rem;
  color: var(--body-muted);
  margin-bottom: 2.5rem;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: left;
}

.priv-col {
  background: var(--white);
  padding: 1.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.priv-col h4 {
  font-size: 1.15rem;
  color: var(--head-title);
  margin-bottom: 0.65rem;
}

.priv-col p {
  font-size: 0.9rem;
  color: var(--body-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Final CTA Section
   ========================================================================== */
.cta-section {
  padding: 4.5rem 0 6rem;
}

.cta-card {
  background: linear-gradient(135deg, #0F766E 0%, #0D9488 100%);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  align-items: center;
  gap: 3rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-tag {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
}

.cta-title {
  font-size: 2.6rem;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: var(--white);
}

.cta-text {
  font-size: 1.1rem;
  opacity: 0.92;
  margin-bottom: 2rem;
  max-width: 550px;
}

.cta-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.cta-buttons .btn-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
  background: transparent;
}

.cta-buttons .btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--white);
}

.cta-sub {
  font-size: 0.85rem;
  opacity: 0.8;
}

.cta-mascot {
  display: flex;
  justify-content: center;
}

.cta-owl-img {
  max-width: 260px;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.25));
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: #0B2923;
  color: #A3BFB8;
  padding: 4.5rem 0 2.5rem;
  font-size: 0.92rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: 0.85rem;
}

.footer-tagline {
  line-height: 1.65;
  margin-bottom: 1.4rem;
  max-width: 320px;
}

.footer-palette {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.color-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.color-dot:hover {
  transform: scale(1.2);
}

.dot-mint { background-color: #0F766E; }
.dot-ocean { background-color: #0369A1; }
.dot-rose { background-color: #BE185D; }
.dot-lavender { background-color: #6D28D9; }
.dot-night { background-color: #1E293B; }

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-col h4 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.footer-links-col a {
  color: #A3BFB8;
}

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

.footer-note {
  font-size: 0.8rem;
  color: #6E948C;
  margin-top: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #6E948C;
}

/* ==========================================================================
   Sticky Mobile Bar & QR Modal
   ========================================================================== */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-light);
  padding: 0.65rem 1rem;
  z-index: 90;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.06);
}

.mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.mobile-sticky-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.mobile-sticky-info strong {
  display: block;
  font-size: 0.88rem;
  color: var(--head-title);
  line-height: 1.1;
}

.mobile-sticky-info small {
  font-size: 0.72rem;
  color: var(--body-muted);
}

/* Modal */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 41, 35, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

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

.modal-dialog {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 420px;
  width: 100%;
  padding: 2.2rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  0% { transform: scale(0.9); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--gray-400);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--body-deep);
}

.modal-logo {
  width: 60px;
  height: 60px;
  margin: 0 auto 0.8rem;
}

.modal-title {
  font-size: 1.5rem;
  color: var(--head-title);
  margin-bottom: 0.4rem;
}

.modal-desc {
  font-size: 0.88rem;
  color: var(--body-muted);
  margin-bottom: 1.5rem;
}

.qr-box {
  background: #F8FAFC;
  border: 1px solid var(--border-light);
  padding: 1.2rem;
  border-radius: var(--radius-md);
  display: inline-block;
  margin-bottom: 1.2rem;
}

.line-id-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--primary-tint);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-cta-group, .hero-trust {
    justify-content: center;
  }

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

  .sim-device-container {
    grid-template-columns: 1fr;
    padding: 1.8rem;
  }

  .sim-phone {
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
  }

  .webapp-display {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }

  .webapp-point {
    justify-content: center;
  }

  .personas-container {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .featured-plan {
    transform: none;
  }

  .featured-plan:hover {
    transform: translateY(-5px);
  }

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

  .cta-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cta-buttons {
    justify-content: center;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .announcement-inner {
    font-size: 0.78rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
  }

  .nav-links.mobile-open {
    display: flex;
  }

  .mobile-toggle {
    display: flex;
  }

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

  .hero-title {
    font-size: 2.3rem;
  }

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

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

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mobile-sticky-bar {
    display: block;
  }

  body {
    padding-bottom: 60px;
  }
}

/* ==========================================================================
   Realistic iPhone device frame (.iphone)
   ========================================================================== */
.iphone {
  --bz: 11px;
  position: relative;
  width: 316px;
  height: 650px;
  padding: var(--bz);
  border-radius: 58px;
  border: 0;
  box-sizing: border-box;
  /* titanium frame */
  background:
    linear-gradient(145deg, #5b5f66 0%, #2b2e33 22%, #111316 50%, #2f3237 78%, #6a6e75 100%);
  box-shadow:
    inset 0 0 0 1.5px rgba(255,255,255,.28),
    inset 0 0 0 3px #0b0c0e,
    0 0 0 1px rgba(0,0,0,.55),
    0 40px 70px -18px rgba(15,23,42,.45),
    0 18px 30px -12px rgba(15,23,42,.35);
  display: block;
  overflow: visible;
  margin-inline: auto;
}
.iphone::after { /* glass glare */
  content: "";
  position: absolute; inset: var(--bz);
  border-radius: 47px;
  background: linear-gradient(115deg, rgba(255,255,255,.14) 0%, rgba(255,255,255,0) 28%, rgba(255,255,255,0) 70%, rgba(255,255,255,.05) 100%);
  pointer-events: none; z-index: 30;
}
.iphone-screen {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 47px;
  overflow: hidden;
  background: #000;
  display: flex; flex-direction: column;
  box-shadow: 0 0 0 3px #000;
}
.hw { /* side buttons */
  position: absolute; width: 4px; border-radius: 2px;
  background: linear-gradient(90deg,#2a2d32,#62666d 55%,#2a2d32);
  box-shadow: 0 0 0 .5px rgba(0,0,0,.6);
}
.hw-action { left: -3px; top: 118px; height: 30px; }
.hw-up     { left: -3px; top: 168px; height: 56px; }
.hw-down   { left: -3px; top: 236px; height: 56px; }
.hw-power  { right: -3px; top: 200px; height: 90px; }

.statusbar {
  position: relative; z-index: 20; flex: 0 0 auto;
  height: 50px; padding: 0 28px 0 32px;
  display: flex; align-items: center; justify-content: space-between;
  font: 600 15px/1 -apple-system, "SF Pro Text", "Kanit", system-ui, sans-serif;
  letter-spacing: -.2px;
}
.sb-dark  { background: #273246; color: #fff; }
.sb-light { background: #fff; color: #111; }
.sb-island {
  position: absolute; left: 50%; top: 11px; transform: translateX(-50%);
  width: 92px; height: 27px; border-radius: 20px; background: #000;
  display: flex; align-items: center; justify-content: flex-end; padding-right: 9px;
}
.sb-cam { width: 9px; height: 9px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #2b3a63, #0a0f1d 70%); box-shadow: 0 0 0 1.5px #0c0c0e; }
.sb-icons { display: flex; align-items: center; gap: 5px; }
.home-bar {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 25;
  height: 24px; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 7px;
  pointer-events: none;
}
.home-bar i { width: 116px; height: 4.5px; border-radius: 3px; background: #0f172a; opacity: .9; }
.home-bar.home-dark i { background: #111; }

/* hero phone content inside screen */
.hero-phone { width: 316px; height: 640px; }
.hero-phone .phone-header { padding: .5rem .85rem; }
.hero-phone .phone-body { flex: 1; height: auto; min-height: 0; }
.hero-phone .phone-footer-mock { padding-bottom: 1.5rem; }

/* simulator phone */
.sim-phone.iphone {
  width: 340px; height: 690px; border: 0; border-radius: 58px; background: linear-gradient(145deg,#5b5f66 0%,#2b2e33 22%,#111316 50%,#2f3237 78%,#6a6e75 100%);
  flex-shrink: 0;
}
.sim-phone.iphone .sim-phone-header { padding: .55rem .9rem; }
.sim-phone.iphone .sim-chat-area { min-height: 0; }
.sim-phone.iphone .sim-input-bar { padding-bottom: 1.6rem; }

/* webapp phone */
.webapp-phone-mockup.iphone { width: 330px; height: 690px; max-width: none; border-radius: 58px; padding: var(--bz); background: linear-gradient(145deg,#5b5f66 0%,#2b2e33 22%,#111316 50%,#2f3237 78%,#6a6e75 100%); }
.webapp-phone-mockup .mockup-bezel { border-radius: 47px; background: #fff; }
.app-scroll { flex: 1; overflow-y: auto; overflow-x: hidden; scrollbar-width: none; background: #fff; }
.app-scroll::-webkit-scrollbar { display: none; }
.app-scroll .app-screen-img { width: 100%; display: block; }
.webapp-display { grid-template-columns: 370px 1fr; }

/* real QR */
.qr-svg { width: 200px; height: 200px; display: block; margin: 0 auto; border-radius: 12px; }

/* nav: avoid wrapping labels */
.nav-item { white-space: nowrap; }
@media (max-width: 1180px) { .nav-links { gap: .9rem; } .nav-item { font-size: .85rem; } .open-qr-btn { display: none; } }

@media (max-width: 420px) {
  .iphone, .hero-phone, .sim-phone.iphone, .webapp-phone-mockup.iphone { width: min(316px, 92vw); }
}
.sim-phone.iphone .sim-bot-subtitle { display: none; }
.sim-phone.iphone .sim-mode-badge { white-space: nowrap; font-size: .62rem; padding: .15rem .45rem; }
.sim-phone.iphone .sim-bot-title { white-space: nowrap; font-size: .8rem; }

/* LINE flex cards: cropped PNGs, shadow follows the rounded card shape (no bubble-in-bubble) */
.bot-card-preview, .card-bubble-container {
  background: none; border-radius: 0; overflow: visible; box-shadow: none;
  width: 100%; max-width: 232px;
}
.card-img-fit, .sim-card-img {
  display: block; width: 100%; height: auto;
  border-radius: 17px;
  filter: drop-shadow(0 1px 1.5px rgba(15,23,42,.25)) drop-shadow(0 4px 10px rgba(15,23,42,.18));
}
.bot-msg-group, .sim-bot-content { min-width: 0; }
.sim-bot-icon, .bot-avatar-sm { border-radius: 50%; object-fit: cover; align-self: flex-start; }

/* floating badges must not cover the phone */
.badge-top { left: -110px; }
.badge-bottom { right: -120px; }
@media (max-width: 1240px) { .floating-badge { display: none; } }

/* ==========================================================================
   Responsive: desktop / tablet / phone
   ========================================================================== */
html, body { overflow-x: hidden; }
img, svg { max-width: 100%; }
.iphone, .hero-phone, .sim-phone.iphone, .webapp-phone-mockup.iphone { max-width: 100%; }

/* collapse nav to hamburger earlier (tablet) */
@media (max-width: 1100px) {
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); flex-direction: column; align-items: stretch; gap: .25rem;
    padding: 1rem 1.25rem 1.25rem; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-md);
  }
  .nav-links.mobile-open { display: flex; }
  .nav-links .nav-item { padding: .8rem .25rem; font-size: 1rem; border-bottom: 1px solid var(--border-light); }
  .mobile-toggle { display: flex; }
  .navbar { position: sticky; }
}

/* tablet */
@media (max-width: 1024px) {
  .sim-phone.iphone { width: min(340px, 100%); margin: 0 auto; }
  .webapp-phone-mockup.iphone { width: min(330px, 100%); }
  .webapp-tabs { justify-content: center; flex-wrap: wrap; }
}

/* phone */
@media (max-width: 640px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .announcement-inner { flex-direction: column; gap: .35rem; text-align: center; padding-block: .5rem; }
  .brand-sub { display: none; }
  .brand-name { font-size: 1.1rem; }
  .nav-actions .btn-line { padding: .5rem .8rem; font-size: .8rem; }
  .nav-actions .btn-line svg { display: none; }

  .hero-title { font-size: 1.95rem; line-height: 1.3; }
  .hero-desc { font-size: .98rem; }
  .hero-cta-group { flex-direction: column; width: 100%; }
  .hero-cta-group .btn { width: 100%; justify-content: center; }
  .hero-trust { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; text-align: left; }

  .section-title { font-size: 1.6rem; }
  .section-subtitle { font-size: .95rem; }

  /* phones scale to the screen */
  .iphone, .hero-phone, .sim-phone.iphone, .webapp-phone-mockup.iphone {
    width: min(318px, calc(100vw - 32px)); height: min(640px, calc((100vw - 32px) * 2.05));
  }
  .iphone { --bz: 9px; border-radius: 48px; }
  .iphone-screen, .iphone::after { border-radius: 39px; }
  .statusbar { height: 44px; padding: 0 22px 0 26px; }
  .sb-island { width: 82px; height: 24px; top: 9px; }

  /* simulator */
  .simulator-wrapper, .sim-device-container { padding: 0; }
  .sim-device-container { padding: 1rem; border-radius: 20px; }
  .preset-chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: .5rem; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .preset-chips::-webkit-scrollbar { display: none; }
  .preset-chips .chip { flex: 0 0 auto; white-space: nowrap; }
  .sim-info-box { padding: 1.25rem; }

  /* webapp tabs scroll sideways instead of stacking */
  .webapp-tabs { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scrollbar-width: none; padding: 0 4px .5rem; }
  .webapp-tabs::-webkit-scrollbar { display: none; }
  .webapp-tab { flex: 0 0 auto; white-space: nowrap; }
  .webapp-detail-title { font-size: 1.4rem; }
  .webapp-detail-desc { font-size: 1rem; }

  /* commands */
  .category-pills { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-bottom: .4rem; }
  .category-pills::-webkit-scrollbar { display: none; }
  .cat-pill { flex: 0 0 auto; white-space: nowrap; }

  /* pricing / faq / cta */
  .pricing-card { padding: 1.5rem 1.25rem; }
  .billing-toggle-wrapper { flex-wrap: wrap; justify-content: center; }
  .cta-card { padding: 2rem 1.25rem; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
  .cta-owl-img { max-width: 200px; }
  .footer-content { text-align: left; }
  .modal-dialog { width: calc(100vw - 32px); max-height: 92vh; overflow-y: auto; }
  .qr-svg { width: 180px; height: 180px; }
}

/* very small phones */
@media (max-width: 360px) {
  .hero-title { font-size: 1.7rem; }
  .nav-actions .btn-line { font-size: .74rem; padding: .45rem .65rem; }
}

/* touch devices: no hover-only lift, bigger tap targets */
@media (hover: none) {
  .shadow-hover:hover, .feature-card:hover, .pricing-card:hover { transform: none; }
  .btn, .chip, .cat-pill, .webapp-tab, .persona-tab, .faq-question { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
@media (max-width: 1024px) { .webapp-display { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .category-pills, .preset-chips { justify-content: flex-start; } }

/* ==========================================================================
   Simulator: live-rendered LINE flex cards (.fx-*)
   ========================================================================== */
.sim-bot-content.fx-wrap { max-width: calc(100% - 44px); width: calc(100% - 44px); }
.fx-card {
  --ink: #14352E; --mint: #CCFBF1; --muted: #6B7C86;
  width: 100%; background: #fff; color: var(--ink); border-radius: 17px; overflow: hidden;
  font-size: 11.5px; line-height: 1.4; text-align: left;
  box-shadow: 0 1px 1.5px rgba(15,23,42,.25), 0 4px 10px rgba(15,23,42,.18);
  animation: fxIn .28s ease both;
}
@keyframes fxIn { from { opacity: 0; transform: translateY(6px) scale(.98); } to { opacity: 1; transform: none; } }
.fx-head { background: var(--mint); padding: 11px 13px 9px; display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.fx-title { font-weight: 600; font-size: 14px; color: #0B5D4F; line-height: 1.25; }
.fx-sub { font-size: 10.5px; color: #3F6B63; margin-top: 2px; }
.fx-ico { font-size: 17px; line-height: 1; }
.fx-body { padding: 10px 13px 12px; display: flex; flex-direction: column; gap: 6px; }
.fx-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.fx-lead { display: flex; align-items: center; gap: 6px; min-width: 0; }
.fx-right { display: inline-flex; align-items: center; gap: 4px; flex-shrink: 0; }
.fx-pill { padding: 2px 7px; border-radius: 4px; color: #fff; font-weight: 600; font-size: 10.5px; white-space: nowrap; }
.fx-pill.exp { background: #DC2846; } .fx-pill.inc { background: #059669; }
.fx-share { border: 0; border-radius: 5px; padding: 6px 10px; font: 600 11px inherit; font-family: inherit; cursor: pointer; }
.fx-share.exp { background: #FDE8EC; color: #DC2846; } .fx-share.inc { background: #E1F5EE; color: #059669; }
.fx-muted { color: var(--muted); font-size: 10.5px; }
.fx-muted2 { color: #475569; font-size: 12px; }
.fx-item { margin-top: 2px; }
.fx-name { font-size: 12.5px; min-width: 0; overflow-wrap: anywhere; }
.fx-amt { font-weight: 700; white-space: nowrap; }
.fx-amt.exp, .exp { color: #E11D48; } .fx-amt.inc, .inc { color: #059669; }
.fx-ibtn { width: 24px; height: 24px; border: 0; border-radius: 4px; background: #E8ECF0; cursor: pointer; font-size: 11px; padding: 0; line-height: 1; }
.fx-ibtn.danger { background: #FDE8EC; }
.fx-ibtn:hover { filter: brightness(.95); }
.fx-chip { align-self: flex-start; background: #CCFBF1; color: #0B5D4F; padding: 5px 10px; border-radius: 4px; font-weight: 500; }
.fx-chip.tag { background: #EDE9FE; color: #5B21B6; }
.fx-sep { height: 1px; background: #D7DCE0; margin: 3px 0; }
.fx-bar { height: 6px; background: #E5E7F0; border-radius: 3px; overflow: hidden; }
.fx-bar i { display: block; height: 100%; border-radius: 3px; }
.fx-big { font-size: 13px; }
.fx-warn { color: #B45309; background: #FEF3C7; border-radius: 6px; padding: 5px 8px; font-size: 10.5px; }
.fx-foot { display: block; width: 100%; background: #0F766E; color: #fff; border: 0; padding: 10px; text-align: center; font: inherit; font-weight: 500; font-size: 12px; cursor: pointer; }
.fx-foot:hover { background: #0B5D4F; }
.fx-primary { display: block; background: #0F766E; color: #fff; border: 0; border-radius: 8px; padding: 9px 10px; text-align: center; font: inherit; font-weight: 500; cursor: pointer; text-decoration: none; }
.fx-ghost { flex: 1; background: #F1F5F9; color: #334155; border: 0; border-radius: 8px; padding: 8px 6px; font: inherit; cursor: pointer; }
.fx-ghost + .fx-ghost { margin-left: 0; }
.fx-person { display: flex; justify-content: space-between; align-items: center; background: #F0FDF9; border-radius: 8px; padding: 6px 9px; }
.fx-deleted { opacity: .45; filter: grayscale(.6); }
.fx-deleted .fx-name, .fx-deleted .fx-amt { text-decoration: line-through; }
.fx-deleted button { pointer-events: none; }
.fx-voice { display: inline-flex; align-items: center; gap: 8px; min-width: 150px; }
.fx-wave { display: inline-flex; align-items: center; gap: 2px; }
.fx-wave i { width: 2px; border-radius: 2px; background: #1b4d0b; opacity: .7; }
@media (max-width: 640px) { .fx-card { font-size: 11px; } }
.fx-pill.exp, .fx-pill.inc { color: #fff; }

/* LINE Support bar */
.support-bar {
  margin: 2.5rem auto 0; max-width: 760px;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  background: linear-gradient(135deg, #ECFDF5, #CCFBF1); border: 1px solid #A7F3D0; border-radius: 18px; padding: 1.1rem 1.4rem;
}
.support-bar-info { display: flex; align-items: center; gap: .85rem; min-width: 0; }
.support-bar-icon { font-size: 1.7rem; }
.support-bar strong { display: block; color: #0B5D4F; }
.support-bar small { color: #3F6B63; }
.support-bar.is-soon { opacity: .9; }
a.is-soon { opacity: .6; cursor: default; pointer-events: none; }
@media (max-width: 640px) { .support-bar { flex-direction: column; text-align: center; } .support-bar-info { flex-direction: column; } .support-bar .btn { width: 100%; justify-content: center; } }