/* ===========================================
   刷卡換現金官方網站 - style.css
   =========================================== */

/* Root Variables */
:root {
  --primary: #1a3a6b;
  --primary-light: #2a5298;
  --accent: #e8a020;
  --accent-light: #f5c842;
  --line-green: #06C755;
  --line-dark: #05a847;
  --success: #27ae60;
  --danger: #e74c3c;
  --text-dark: #1a1a2e;
  --text-mid: #4a4a6a;
  --text-light: #7a7a9a;
  --bg-light: #f8f9ff;
  --bg-white: #ffffff;
  --border: #e0e4f0;
  --tldr-bg: #fffbf0;
  --tldr-border: #e8a020;
  --shadow: 0 4px 20px rgba(26, 58, 107, 0.10);
  --shadow-lg: 0 8px 40px rgba(26, 58, 107, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  scroll-behavior: smooth;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans TC', sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol {
  padding-left: 1.5em;
}

/* ===========================================
   Layout
   =========================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-light);
}

/* ===========================================
   Fade-in animation
   =========================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================================
   Buttons
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translateY(0);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
  border-radius: var(--radius);
}

.btn-line {
  background: var(--line-green);
  color: #fff;
}

.btn-line:hover {
  background: var(--line-dark);
}

.btn-phone {
  background: var(--primary);
  color: #fff;
}

.btn-phone:hover {
  background: var(--primary-light);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #c0392b;
}

/* LINE Icon */
.line-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: #fff;
  color: var(--line-green);
  border-radius: 4px;
  font-weight: 900;
  font-size: 14px;
  flex-shrink: 0;
}

/* ===========================================
   Header
   =========================================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 58, 107, 0.95);
  backdrop-filter: blur(10px);
  transition: background 0.3s, box-shadow 0.3s;
}

#header.scrolled {
  background: var(--primary);
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo img {
  height: 36px;
  width: auto;
}

.logo-text {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}

.header-cta {
  flex-shrink: 0;
  padding: 8px 16px;
  font-size: 0.9rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--primary);
  padding: 8px 24px 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

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

.mobile-nav a {
  color: rgba(255,255,255,0.9);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 1rem;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

/* ===========================================
   Hero
   =========================================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #1e5fa8 100%);
  padding: 100px 0 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(232,160,32,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255,255,255,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  color: #fff;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(232,160,32,0.25);
  border: 1px solid rgba(232,160,32,0.5);
  color: var(--accent-light);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

#hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #fff;
}

#hero h1 .accent {
  color: var(--accent-light);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.15);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-num {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  text-align: center;
}

/* ===========================================
   Trust Bar
   =========================================== */
.trust-bar {
  background: var(--primary);
  padding: 16px 0;
}

.trust-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.trust-tag {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.2);
}

/* ===========================================
   Section Headings
   =========================================== */
section h2, .warning-section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.4;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--text-mid);
  margin-bottom: 40px;
  max-width: 700px;
}

/* ===========================================
   TL;DR Box
   =========================================== */
.tldr-box {
  background: var(--tldr-bg);
  border-left: 4px solid var(--tldr-border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 20px;
  margin-bottom: 40px;
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.7;
}

.tldr-box strong {
  color: var(--text-dark);
}

/* ===========================================
   Steps (What Is)
   =========================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.step-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.step-num {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 auto 14px;
}

.step-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ===========================================
   Legal Grid
   =========================================== */
.legal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.legal-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.legal-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
}

.legal-card p {
  color: var(--text-mid);
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.legal-card ul {
  color: var(--text-mid);
  font-size: 0.9rem;
}

.legal-card li {
  margin-bottom: 6px;
}

/* ===========================================
   Compare Table
   =========================================== */
.compare-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  font-size: 0.95rem;
}

.compare-table th {
  background: var(--primary);
  color: #fff;
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  white-space: nowrap;
}

.compare-table th:first-child {
  border-radius: var(--radius) 0 0 0;
}

.compare-table th:last-child {
  border-radius: 0 var(--radius) 0 0;
}

.th-sub {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.8;
  margin-top: 2px;
}

.compare-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-mid);
}

.compare-table td:first-child {
  font-weight: 600;
  color: var(--text-dark);
  white-space: nowrap;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:hover td {
  background: var(--bg-light);
}

.compare-table .highlight {
  color: var(--success);
  font-weight: 600;
}

.industry-table th:nth-child(2) {
  background: var(--accent);
  color: var(--text-dark);
}

/* ===========================================
   Anti-Fraud
   =========================================== */
.fraud-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.fraud-safe {
  background: var(--bg-white);
  border: 2px solid var(--success);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.fraud-safe h3 {
  color: var(--success);
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.fraud-list {
  color: var(--text-mid);
  font-size: 0.95rem;
}

.fraud-list li {
  margin-bottom: 12px;
  line-height: 1.6;
}

.fraud-list li strong {
  color: var(--text-dark);
}

.fraud-danger {
  background: #fff8f8;
  border: 2px solid var(--danger);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.fraud-danger h3 {
  color: var(--danger);
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.fraud-stop-list {
  color: var(--text-mid);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.fraud-stop-list li {
  margin-bottom: 8px;
}

.fraud-stop-list li::marker {
  color: var(--danger);
}

.fraud-hotline {
  background: #fff0f0;
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.fraud-hotline p {
  color: var(--text-mid);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.hotline-btn {
  display: inline-block;
  background: var(--danger);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.2s;
}

.hotline-btn:hover {
  background: #c0392b;
}

/* ===========================================
   Features Grid
   =========================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ===========================================
   Services
   =========================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-mid);
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.service-card ul {
  color: var(--text-mid);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.service-card li {
  margin-bottom: 6px;
}

.service-cards-note {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--text-mid);
}

.service-cards-note p {
  margin: 0;
}

/* ===========================================
   Pricing
   =========================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}

.pricing-card {
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-highlight {
  border-color: var(--accent);
  background: linear-gradient(135deg, #fff 0%, var(--tldr-bg) 100%);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.pricing-rate {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
}

.pricing-highlight .pricing-rate {
  color: var(--accent);
}

.pricing-card p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.6;
}

.pricing-note {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.pricing-note p {
  font-size: 0.9rem;
  color: var(--text-mid);
  margin-bottom: 6px;
}

.pricing-note p:last-child {
  margin-bottom: 0;
}

.pricing-note strong {
  color: var(--primary);
}

/* ===========================================
   FAQ
   =========================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.faq-item.open {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  transition: background 0.2s, color 0.2s;
}

.faq-q:hover {
  background: var(--bg-light);
  color: var(--primary);
}

.faq-item.open .faq-q {
  background: var(--primary);
  color: #fff;
}

.faq-arrow {
  flex-shrink: 0;
  font-size: 0.75rem;
  transition: transform 0.3s ease;
  opacity: 0.7;
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-a {
  display: none;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.faq-item.open .faq-a {
  display: block;
}

.faq-a p {
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===========================================
   Warning Section
   =========================================== */
.warning-section {
  background: linear-gradient(135deg, #1a1a2e 0%, #2d1a1a 100%);
  padding: 64px 0;
}

.warning-section h2 {
  color: #fff;
  text-align: center;
  margin-bottom: 36px;
}

.warning-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.warning-item {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.warning-item strong {
  display: block;
  color: #ff8080;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.warning-item p {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  line-height: 1.6;
}

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

.warning-hotline p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  margin-bottom: 16px;
}

.warning-hotline strong {
  color: #ff8080;
}

/* ===========================================
   Contact
   =========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.contact-line {
  background: linear-gradient(135deg, var(--line-green) 0%, #05a847 100%);
  color: #fff;
}

.contact-phone {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
}

.contact-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.contact-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.contact-card p {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.contact-btn {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 12px;
}

.contact-info {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.info-item {
  font-size: 0.95rem;
  color: var(--text-mid);
}

.info-item strong {
  color: var(--text-dark);
}

/* ===========================================
   Footer
   =========================================== */
footer {
  background: var(--primary);
  color: rgba(255,255,255,0.85);
  padding: 40px 0 0;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 32px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 48px;
  align-items: start;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: #fff;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-contact a:hover {
  color: var(--accent-light);
}

.footer-disclaimer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
}

.footer-disclaimer p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  text-align: center;
}

/* ===========================================
   FAB (Floating Action Buttons)
   =========================================== */
.fab-container {
  position: fixed;
  bottom: 32px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.3s;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

.fab-btn.show {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.fab-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}

.fab-line {
  background: var(--line-green);
  color: #fff;
}

.fab-phone {
  background: var(--primary);
  color: #fff;
}

.fab-icon {
  font-size: 1.3rem;
  font-weight: 900;
  line-height: 1;
}

.fab-label {
  font-size: 0.6rem;
  font-weight: 700;
  margin-top: 2px;
  letter-spacing: 0.02em;
}

/* ===========================================
   Responsive — Tablet (600–900px)
   =========================================== */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

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

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

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 16px;
  }
}

/* ===========================================
   Responsive — Mobile (<600px)
   =========================================== */
@media (max-width: 600px) {
  section {
    padding: 56px 0;
  }

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

  .hero-cta .btn-lg {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 16px;
    gap: 12px;
  }

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

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

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .feature-card {
    padding: 20px 12px;
  }

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

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

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

  .compare-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .compare-table {
    min-width: 480px;
  }

  .industry-table {
    min-width: 480px;
  }

  .fab-container {
    bottom: 20px;
    right: 16px;
  }

  .fab-btn {
    width: 52px;
    height: 52px;
  }
}