:root {
  --bg-primary: #f0f7ff;
  --bg-card: #ffffff;
  --bg-soft: #e8f4ff;
  --color-accent: #5B9BD5;
  --color-accent-2: #4A90E2;
  --color-accent-badge: #00b894;
  --color-danger: #ff3b6b;
  --color-text: #1b2335;
  --color-text-sub: #4f5875;
  --color-text-muted: #9aa1bc;
  --border-subtle: rgba(15, 23, 42, 0.06);
  --radius-card: 20px;
  --shadow-card: 0 14px 40px rgba(15, 23, 42, 0.08);
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Poppins", "Segoe UI", sans-serif;
}

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

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: radial-gradient(circle at 0% 0%, #ffffff 0, transparent 55%),
              radial-gradient(circle at 100% 0%, #e1ecff 0, transparent 58%),
              radial-gradient(circle at 50% 110%, #eaf1ff 0, transparent 60%),
              var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.bg-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(circle at 0 0, rgba(107, 182, 255, 0.25) 0, transparent 55%),
              radial-gradient(circle at 100% 0, rgba(91, 155, 213, 0.3) 0, transparent 55%);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(24px);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.96));
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
  padding: 10px 18px;
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: conic-gradient(from 180deg, #6BB6FF, #5B9BD5, #4A90E2, #3B82F6, #00b894, #6BB6FF);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.25);
}

.brand-icon i {
  font-size: 18px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.05em;
  font-size: 18px;
  text-transform: uppercase;
  color: #141b2f;
}

.brand-tagline {
  font-size: 11px;
  color: var(--color-text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.info-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(244, 247, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  font-size: 11px;
  color: var(--color-text-muted);
}

.info-pill span {
  color: var(--color-accent-2);
  font-weight: 600;
}

.chat-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: #00BCD4;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  font-size: 13px;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  cursor: pointer;
}

.chat-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(37, 211, 102, 0.6);
  filter: brightness(1.03);
  color: #ffffff;
}

.chat-btn i {
  font-size: 16px;
}

/* Main */
.main-content {
  flex: 1;
  padding: 22px 16px 28px;
}

.content-grid {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.05fr);
  gap: 26px;
  align-items: flex-start;
}

@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Left Column */
.left-col {
  margin-bottom: 22px;
}

.page-intro {
  margin-bottom: 22px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--color-text-muted);
  font-size: 11px;
  margin-bottom: 12px;
}

.badge-tag span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: rgba(47, 128, 255, 0.08);
  color: var(--color-accent-2);
}

.headline {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 2px 0 6px;
  color: #141b2f;
}

.headline span {
  background: linear-gradient(120deg, #6BB6FF, #5B9BD5, #4A90E2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sub-text {
  margin: 0 0 14px;
  color: var(--color-text-sub);
  font-size: 14px;
  line-height: 1.6;
}

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

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.metric-box {
  flex: 1 1 110px;
  min-width: 110px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
  color: var(--color-text-muted);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.metric-box strong {
  font-size: 15px;
  color: var(--color-accent-2);
}

/* Card Styles */
.info-card {
  background: radial-gradient(circle at 0 0, #ffffff, #f7f6ff 60%),
              linear-gradient(145deg, #ffffff, #f3f9ff);
  border-radius: var(--radius-card);
  border: 1px solid rgba(15, 23, 42, 0.06);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.info-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 0 0, rgba(107, 182, 255, 0.15), transparent 55%),
              radial-gradient(circle at 100% 0, rgba(91, 155, 213, 0.18), transparent 55%);
  opacity: 0.7;
  pointer-events: none;
  z-index: -1;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.card-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(239, 244, 255, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.06);
  font-size: 11px;
  color: var(--color-text-muted);
}

.card-label i {
  color: var(--color-accent-2);
}

.card-secure {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--color-text-muted);
}

.card-secure i {
  color: var(--color-accent-badge);
}

.question-block {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 4px 0 14px;
  color: var(--color-text-main);
}

.question-block i {
  color: var(--color-accent);
  margin-top: 2px;
}

.option-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 600px) {
  .option-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.option-btn {
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  color: var(--color-text-sub);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font: inherit;
  text-align: left;
  min-height: 64px;
  transition: border 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.option-btn .check-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(27, 35, 53, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  transition: border 0.2s ease, background 0.2s ease;
}

.option-btn .check-circle::after {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: transparent;
  transition: background 0.2s ease, transform 0.2s ease;
  transform: scale(0.6);
}

.option-btn[data-active="true"] .check-circle {
  border-color: var(--color-accent);
  background: rgba(91, 155, 213, 0.12);
}

.option-btn[data-active="true"] .check-circle::after {
  background: var(--color-accent);
  transform: scale(1);
}

.option-btn span {
  font-weight: 500;
  color: var(--color-text-main);
}

.option-btn small {
  display: block;
  font-size: 11px;
  color: var(--color-text-muted);
}

.option-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(91, 155, 213, 0.7);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  background: #f0f7ff;
}

.option-btn[data-active="true"] {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(91, 155, 213, 0.4);
  background: #e8f4ff;
}

.note-text {
  margin-top: 12px;
  font-size: 11px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.note-text i {
  color: var(--color-accent-2);
}

/* Scratch Section */
.scratch-section {
  margin-top: 22px;
}

.scratch-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.scratch-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.scratch-title span {
  color: var(--color-accent);
}

.scratch-subtitle {
  font-size: 11px;
  color: var(--color-text-muted);
}

.scratch-wrapper {
  position: relative;
  width: 100%;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(15, 23, 42, 0.06);
  background: radial-gradient(circle at 0 110%, #e3ffe6, transparent 55%),
              radial-gradient(circle at 100% -10%, #ffe6f1, transparent 55%),
              linear-gradient(150deg, #ffffff, #f3f9ff);
  min-height: 280px;
}

@media (min-width: 640px) {
  .scratch-wrapper {
    min-height: 340px;
  }
}

.reveal-content {
  position: absolute;
  inset: 0;
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.reveal-top {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.status-badge {
  align-self: anchor-center;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 184, 148, 0.12);
  color: #027a5e;
  font-size: 11px;
  border: 1px solid rgba(0, 184, 148, 0.5);
  font-weight: 600;
}

.status-badge i {
  color: #00b894;
}

.reveal-content h2 {
  margin: 0;
  font-size: clamp(1.2rem, 3.1vw, 1.6rem);
  line-height: 1.4;
  max-width: 90%;
  color: #123125;
}

.reveal-content h2 span {
  color: #00b894;
}

.reveal-content p {
  margin: 4px 0 0;
  font-size: 0.92rem;
  color: #304853;
  max-width: 95%;
}

.reveal-bottom {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 18px;
  border-radius: 14px;
  border: none;
  outline: none;
  text-decoration: none;
  background: linear-gradient(120deg, #00BCD4, #00BCD4);
  color: #ffffff;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.03em;
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.55);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  animation: pulse 1.8s ease-in-out infinite;
}

.cta-button i:first-child {
  font-size: 1.25rem;
}

.cta-button:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow: 0 18px 40px rgba(37, 211, 102, 0.7);
  animation-play-state: paused;
  color: #ffffff;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.045);
  }
}

.cta-desc {
  margin: 0;
  font-size: 0.88rem;
  color: #375a44;
}

.cta-desc strong {
  color: #123125;
}

.scratch-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  transition: opacity 0.4s ease;
}

.scratch-hint {
  margin-top: 10px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.scratch-hint span {
  color: var(--color-accent);
  font-weight: 600;
}

.scratch-hint i {
  color: var(--color-accent-2);
}

.scratch-legal {
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Right Column */
.right-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.section-box {
  border-radius: var(--radius-card);
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-card);
}

.section-box.highlight {
  padding: 26px 26px 22px;
  border-radius: 22px;
  border: 1px solid rgba(91, 155, 213, 0.28);
  background: radial-gradient(circle at 15% 20%, rgba(107, 182, 255, 0.25), transparent 55%),
              radial-gradient(circle at 85% 0%, rgba(91, 155, 213, 0.28), transparent 60%),
              linear-gradient(135deg, #ffffff, #f0f7ff);
  position: relative;
  overflow: hidden;
  isolation: mutate;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.section-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title span {
  color: var(--color-accent);
}

.section-subtitle {
  margin: 8px 0 22px;
  color: var(--color-text-sub);
  font-size: 0.95rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.section-label {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.section-label span {
  color: var(--color-accent);
}

.chip-tag {
  padding: 4px 9px;
  border-radius: 999px;
  background: #f5f7ff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  font-size: 10px;
  color: var(--color-text-muted);
}

/* Steps */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(245, 247, 255, 0.92));
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
  position: relative;
  overflow: hidden;
}

.step-num {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #6BB6FF, #5B9BD5);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(91, 155, 213, 0.35);
  flex-shrink: 0;
}

.step-item:nth-child(2) .step-num {
  background: linear-gradient(135deg, #7ac1ff, #2f80ff);
  box-shadow: 0 10px 24px rgba(47, 128, 255, 0.35);
}

.step-item:nth-child(3) .step-num {
  background: linear-gradient(135deg, #ff9fbf, #ff5f8f);
}

.step-item:nth-child(4) .step-num {
  background: linear-gradient(135deg, #7bffca, #18d2a4);
}

.step-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.step-text p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-text-sub);
  line-height: 1.45;
}

/* Platform Grid */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.platform-item {
  border-radius: 12px;
  background: #f6f7ff;
  border: 1px solid rgba(15, 23, 42, 0.04);
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.platform-item img {
  max-width: 100%;
  max-height: 42px;
  object-fit: contain;
  filter: saturate(1.1) contrast(1.05);
}

.platform-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.12);
  border-color: rgba(91, 155, 213, 0.7);
  background: #ffffff;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.feature-box {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(245, 247, 255, 0.9));
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.feature-box::after {
  content: "";
  position: absolute;
  inset: auto 16px 12px auto;
  width: 56px;
  height: 8px;
  border-radius: 120px;
  background: linear-gradient(90deg, rgba(91, 155, 213, 0.35), transparent);
  opacity: 0.4;
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: rgba(91, 155, 213, 0.5);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.15);
}

.feature-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.15);
  flex-shrink: 0;
}

.feature-box:nth-child(1) .feature-icon {
  background: linear-gradient(135deg, #6BB6FF, #5B9BD5);
}

.feature-box:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, #7ac1ff, #2f80ff);
}

.feature-box:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, #5fe0b5, #00b894);
}

.feature-head strong {
  font-size: 1.05rem;
  color: var(--color-text-main);
}

.feature-desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.5;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 8px;
  margin-top: 6px;
}

.faq-item {
  border-radius: 14px;
  background: #f7f8ff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  padding: 10px 12px;
  cursor: pointer;
  transition: border 0.18s ease, background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.faq-item:hover {
  transform: translateY(-1px);
  border-color: rgba(91, 155, 213, 0.7);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
  background: #ffffff;
}

.faq-question {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-text-main);
}

.faq-question i {
  color: var(--color-accent-2);
  transition: transform 0.2s ease;
}

.faq-answer {
  margin: 6px 0 0 26px;
  font-size: 0.84rem;
  color: var(--color-text-sub);
  line-height: 1.5;
  display: none;
}

.faq-item[data-open="true"] .faq-answer {
  display: block;
}

.faq-item[data-open="true"] .faq-question i {
  transform: rotate(180deg);
}

/* Testimonials */
.testimonial-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-card {
  background: #f8fafc;
  border-radius: 12px;
  padding: 14px;
  border: 1px solid #e2e8f0;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.testimonial-header strong {
  color: #1e293b;
  font-size: 0.95rem;
}

.testimonial-msg {
  font-size: 0.88rem;
  color: #475569;
  margin-bottom: 12px;
  line-height: 1.5;
}

.testimonial-amount {
  font-weight: 700;
  color: #059669;
}

.receipt-box {
  background: #fff;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  overflow: hidden;
}

.receipt-head {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  color: #fff;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.receipt-body {
  padding: 12px;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dotted #e2e8f0;
  font-size: 0.82rem;
}

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

.receipt-row span:first-child {
  color: #64748b;
}

.receipt-row span:last-child {
  color: #1e293b;
  font-weight: 600;
}

.receipt-amount {
  color: #059669 !important;
  font-size: 1rem !important;
}

.receipt-status {
  color: #059669 !important;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  padding: 12px 16px 18px;
  font-size: 11px;
  color: var(--color-text-muted);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 247, 255, 0.96));
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  margin-left: 10px;
  font-size: 11px;
}

.footer-links a:hover {
  color: var(--color-accent-2);
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-badge);
}

/* Floating Button */
.floating-action {
  position: fixed;
  right: 20px;
  bottom: 22px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #00BCD4;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #ffffff;
  z-index: 50;
  animation: float 1.8s ease-in-out infinite;
}

.floating-action i {
  font-size: 1.7rem;
}

.floating-action:hover {
  animation: none;
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.3);
  color: #ffffff;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.25);
  }
  50% {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.3);
  }
}

/* Confetti */
.confetti-effect {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  z-index: 9999;
  opacity: 0.95;
  top: 0;
  animation: fall 3.8s forwards;
}

@keyframes fall {
  to {
    transform: translateY(110vh) rotate(720deg);
    opacity: 0;
  }
}

/* Mobile Responsive */
@media (max-width: 640px) {
  .section-box.highlight {
    padding: 18px 16px 16px;
    border-radius: 18px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .section-title {
    font-size: 1rem;
    margin-bottom: 6px;
  }

  .section-subtitle {
    font-size: 0.85rem;
    margin-bottom: 14px;
  }

  .feature-box {
    padding: 14px 14px 12px;
    border-radius: 16px;
    gap: 10px;
  }

  .feature-head {
    gap: 12px;
  }

  .feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    font-size: 1rem;
  }

  .feature-head strong {
    font-size: 0.98rem;
  }

  .feature-desc {
    font-size: 0.8rem;
    line-height: 1.4;
  }

  .step-list {
    gap: 10px;
  }

  .step-item {
    padding: 14px 14px;
    gap: 12px;
  }

  .step-num {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .step-text p {
    font-size: 0.86rem;
  }

  .platform-grid {
    gap: 10px;
  }

  .platform-item {
    min-height: 64px;
    padding: 8px;
  }

  body {
    background: #f5f6fc;
  }

  .site-header {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    backdrop-filter: blur(16px);
  }

  .header-inner {
    gap: 8px;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-tagline {
    display: none;
  }

  .header-actions {
    gap: 6px;
  }

  .info-pill {
    display: none;
  }

  .chat-btn {
    padding: 7px 12px;
    font-size: 12px;
  }

  .main-content {
    padding: 14px 12px 20px;
  }

  .content-grid {
    gap: 18px;
  }

  .page-intro {
    margin-bottom: 16px;
  }

  .badge-tag {
    font-size: 10px;
    padding: 3px 8px;
  }

  .headline {
    font-size: 1.6rem;
    line-height: 1.25;
  }

  .sub-text {
    font-size: 13px;
  }

  .metric-row {
    gap: 8px;
  }

  .metric-box {
    padding: 8px 10px;
    font-size: 10px;
  }

  .metric-box strong {
    font-size: 13px;
  }

  .info-card {
    padding: 14px 14px 16px;
    border-radius: 16px;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.06);
  }

  .question-block {
    font-size: 0.95rem;
  }

  .option-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .option-btn {
    min-height: 60px;
    padding: 10px 12px;
  }

  .scratch-section {
    margin-top: 18px;
  }

  .scratch-wrapper {
    min-height: 350px;
  }

  .reveal-content {
    padding: 16px 14px 14px;
  }

  .reveal-content h2 {
    font-size: 1.15rem;
    max-width: 100%;
  }

  .reveal-content p {
    font-size: 0.9rem;
  }

  .cta-desc {
    font-size: 0.84rem;
  }

  .section-box {
    padding: 14px 14px 12px;
    border-radius: 16px;
  }

  .section-label {
    font-size: 0.94rem;
  }

  .step-list {
    gap: 8px;
  }

  .step-num {
    width: 24px;
    height: 24px;
    font-size: 13px;
  }

  .step-text p {
    font-size: 0.86rem;
  }

  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .faq-item {
    padding: 9px 10px;
  }

  .faq-question {
    font-size: 0.88rem;
  }

  .faq-answer {
    font-size: 0.82rem;
    margin-left: 22px;
  }

  .site-footer {
    padding: 10px 12px 14px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .floating-action {
    right: 16px;
    bottom: 16px;
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 380px) {
  .headline {
    font-size: 1.45rem;
  }

  .chat-btn span {
    display: none;
  }
}

.hidden {
  display: none !important;
}
