/* ↓ variables */
:root {
  --bg:      #0A0A0A;
  --bg-1:    #0E0E0E;
  --bg-2:    #111116;
  --p1:      #FF1C4A;
  --p2:      #00E8D5;
  --grad:    linear-gradient(135deg, #FF1C4A, #00E8D5);
  --grad-r:  linear-gradient(135deg, #00E8D5, #FF1C4A);
  --glow-p:  rgba(255, 28, 74, 0.20);
  --glow-c:  rgba(0, 232, 213, 0.15);
  --text:    #FFFFFF;
  --mid:     rgba(255, 255, 255, 0.65);
  --muted:   rgba(255, 255, 255, 0.35);
  --border:  rgba(255, 255, 255, 0.08);
  --card-bg: rgba(255, 255, 255, 0.04);
}

/* ↓ reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* ↓ typography */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; font-weight: 700; }
p  { color: var(--mid); font-weight: 400; }
strong { color: var(--text); font-weight: 600; }

/* ↓ layout */
.stage {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.strip-dark { background: var(--bg); }
.strip-alt  { background: var(--bg-1); }
.strip-tint { background: var(--bg-2); }

section {
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--p2);
  margin-bottom: 16px;
}
.section-intro {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-intro h2 {
  margin-bottom: 16px;
}
.section-intro p {
  font-size: 1.05rem;
}

/* grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ↓ buttons */
.burst-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--grad);
  color: #fff;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 0 24px var(--glow-p), 0 0 48px var(--glow-c);
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}
.burst-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px var(--glow-p), 0 0 64px var(--glow-c);
}
.burst-btn:active { transform: translateY(0); }

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  background: transparent;
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}
.ghost-btn:hover {
  border-color: var(--p2);
  background: rgba(0, 232, 213, 0.06);
}

/* ↓ cards */
.neon-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 28px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.neon-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
}
.neon-card.featured-pink {
  border-color: var(--p1);
  box-shadow: 0 0 24px rgba(255, 28, 74, 0.12), inset 0 1px 0 rgba(255, 28, 74, 0.1);
}
.neon-card.featured-cyan {
  border-color: var(--p2);
  box-shadow: 0 0 24px rgba(0, 232, 213, 0.10), inset 0 1px 0 rgba(0, 232, 213, 0.08);
}
.neon-card.featured {
  border-color: var(--p1);
  box-shadow: 0 0 0 1px var(--p1), 0 0 32px rgba(255, 28, 74, 0.14);
}

/* ↓ labels */
.tag-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--mid);
  white-space: nowrap;
}
.tag-label.pink { background: rgba(255, 28, 74, 0.12); border-color: rgba(255, 28, 74, 0.25); color: #FF6B8A; }
.tag-label.cyan { background: rgba(0, 232, 213, 0.10); border-color: rgba(0, 232, 213, 0.20); color: var(--p2); }

/* ↓ helpers */
.glow-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.text-muted { color: var(--muted); }
.text-mid   { color: var(--mid); }
.text-cyan  { color: var(--p2); }
.text-pink  { color: var(--p1); }

/* ↓ orb animations */
@keyframes orbPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50%       { transform: scale(1.15); opacity: 0.9; }
}
@keyframes orbDrift {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(30px, -20px) scale(1.05); }
  66%  { transform: translate(-20px, 15px) scale(0.97); }
  100% { transform: translate(0, 0) scale(1); }
}

.orb-neon {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  will-change: transform, opacity;
}
.orb-pink {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 28, 74, 0.35) 0%, transparent 70%);
  animation: orbDrift 12s ease-in-out infinite, orbPulse 8s ease-in-out infinite;
}
.orb-cyan {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 232, 213, 0.25) 0%, transparent 70%);
  animation: orbDrift 15s ease-in-out infinite reverse, orbPulse 10s ease-in-out infinite;
}

/* split ring decoration */
.split-ring {
  position: relative;
  display: inline-block;
}
.split-ring::before,
.split-ring::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  opacity: 0.5;
}
.split-ring::before {
  border: 2px solid var(--p1);
  transform: translate(-3px, 3px);
}
.split-ring::after {
  border: 2px solid var(--p2);
  transform: translate(3px, -3px);
}

/* ↓ header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.logo {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}
.logo span {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.header-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--mid);
  transition: color 0.2s;
}
.header-nav a:hover { color: var(--text); }

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px;
}
.lang-btn {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--muted);
  transition: background 0.2s, color 0.2s;
}
.lang-btn.active, .lang-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}
.lang-btn.active { color: var(--p2); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  top: 61px; left: 0; right: 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 28px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--mid);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--text); }
.mobile-nav .lang-row {
  display: flex;
  gap: 10px;
  padding-top: 16px;
}

/* ↓ hero */
.hero {
  padding: 160px 0 96px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.hero .orb-pink  { top: -150px; left: -150px; }
.hero .orb-cyan  { bottom: -100px; right: -100px; }

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}
.hero h1 {
  margin-bottom: 20px;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--mid);
  max-width: 620px;
  margin: 0 auto 40px;
  font-weight: 400;
}
.hero-widget-wrap {
  max-width: 520px;
  margin: 0 auto;
}
.widget-placeholder {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  text-align: center;
}
.widget-placeholder p {
  font-size: 0.88rem;
  color: var(--muted);
}

/* ↓ inline CTA */
.inline-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 20px 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 48px 0;
  flex-wrap: wrap;
}
.inline-cta p {
  font-size: 0.95rem;
  color: var(--mid);
  margin: 0;
}

/* ↓ why-views */
.why-views .why-fact {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 28px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.why-fact-icon {
  font-size: 2rem;
  flex-shrink: 0;
}
.why-fact p {
  font-size: 1rem;
  color: var(--mid);
}
.why-fact strong { color: var(--text); }

.why-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.why-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.why-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.why-item h4 { margin-bottom: 4px; font-size: 0.95rem; }
.why-item p  { font-size: 0.88rem; }

/* ↓ algo-section */
.algo-phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.algo-phase {
  padding: 28px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  position: relative;
}
.phase-num {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 12px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.algo-phase h3 { font-size: 1rem; margin-bottom: 8px; }
.algo-phase p  { font-size: 0.88rem; }

/* ↓ data-table */
.data-table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.data-table th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--mid);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 14px 20px;
  color: var(--mid);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table td:first-child { color: var(--text); font-weight: 500; }
.data-table .val-good { color: var(--p2); font-weight: 600; }
.data-table .val-warn { color: #FFB347; font-weight: 500; }

/* ↓ comparison */
.comparison-table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.comparison-table th {
  padding: 16px 24px;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.comparison-table th:nth-child(2) {
  background: rgba(0, 232, 213, 0.06);
  color: var(--p2);
  border-left: 1px solid rgba(0, 232, 213, 0.15);
  border-right: 1px solid rgba(0, 232, 213, 0.15);
}
.comparison-table th:nth-child(3) {
  background: rgba(255, 28, 74, 0.04);
  color: rgba(255, 100, 100, 0.8);
}
.comparison-table td {
  padding: 14px 24px;
  color: var(--mid);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: top;
}
.comparison-table td:nth-child(2) {
  background: rgba(0, 232, 213, 0.03);
  border-left: 1px solid rgba(0, 232, 213, 0.08);
  border-right: 1px solid rgba(0, 232, 213, 0.08);
  color: var(--text);
}
.comparison-table td:nth-child(3) { background: rgba(255, 28, 74, 0.02); }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table td:first-child { color: var(--text); font-weight: 600; font-size: 0.85rem; }
.check-yes { color: var(--p2); font-weight: 600; }
.check-no  { color: rgba(255, 80, 80, 0.8); }

/* ↓ cases / mechanism */
.mechanism-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.mech-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.mech-num {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.mech-step h4 { margin-bottom: 6px; }
.mech-step p  { font-size: 0.88rem; }

.case-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-card {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}
.case-num {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 800;
  font-size: 2.2rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}
.case-card p { font-size: 0.85rem; }

/* ↓ analytics section */
.analytics-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.analytics-step {
  padding: 28px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}
.analytics-step .step-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}
.analytics-step h4 { margin-bottom: 8px; }
.analytics-step p  { font-size: 0.88rem; }

/* ↓ checklist */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 22px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.2s;
}
.check-item:hover { border-color: rgba(0, 232, 213, 0.2); }
.check-mark {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(0, 232, 213, 0.12);
  border: 1px solid rgba(0, 232, 213, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--p2);
  font-size: 0.85rem;
  font-weight: 700;
}
.check-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.check-item p  { font-size: 0.85rem; }

/* ↓ mistakes */
.mistakes-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 820px;
  margin: 0 auto;
}
.mistake-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  border-left: 3px solid var(--p1);
}
.mistake-num {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--p1);
  flex-shrink: 0;
  line-height: 1.3;
}
.mistake-item h4 { margin-bottom: 4px; }
.mistake-item p  { font-size: 0.88rem; }

/* ↓ guarantees */
.guarantees-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.guarantee-card {
  padding: 26px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.guarantee-card:hover {
  border-color: rgba(0, 232, 213, 0.2);
  box-shadow: 0 0 20px rgba(0, 232, 213, 0.06);
}
.guarantee-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.guarantee-card h4 { font-size: 1rem; margin-bottom: 6px; }
.guarantee-card p  { font-size: 0.87rem; }

/* ↓ reviews */
.reviews-section { overflow: hidden; }
.slider-wrapper {
  position: relative;
  overflow: hidden;
}
.slider-track {
  display: flex;
  gap: 20px;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: grab;
  user-select: none;
}
.slider-track:active { cursor: grabbing; }
.review-card {
  flex: 0 0 340px;
  padding: 28px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(8px);
}
.review-card:hover { border-color: rgba(255, 255, 255, 0.12); }
.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 14px;
  color: #FFD700;
  font-size: 0.9rem;
}
.review-text {
  font-size: 0.9rem;
  color: var(--mid);
  line-height: 1.65;
  margin-bottom: 18px;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-weight: 600; font-size: 0.88rem; color: var(--text); }
.review-date { font-size: 0.78rem; color: var(--muted); }

.slider-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}
.slider-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mid);
  font-size: 1.1rem;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.slider-btn:hover {
  background: rgba(0, 232, 213, 0.1);
  border-color: var(--p2);
  color: var(--p2);
}
.slider-dots {
  display: flex;
  gap: 6px;
  flex: 1;
}
.slider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: background 0.2s, width 0.2s;
}
.slider-dot.active {
  background: var(--p2);
  width: 18px;
  border-radius: 3px;
}

/* ↓ faq */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--card-bg);
  transition: border-color 0.2s;
}
.faq-item.open { border-color: rgba(0, 232, 213, 0.2); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  gap: 12px;
  transition: color 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.faq-q:hover { color: var(--p2); }
.faq-item.open .faq-q { color: var(--p2); }
.faq-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform 0.3s, background 0.2s;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(0, 232, 213, 0.12);
  color: var(--p2);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.2s;
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner {
  padding: 0 22px 18px;
  font-size: 0.9rem;
  color: var(--mid);
  line-height: 1.7;
}

/* ↓ cta */
.cta-section {
  padding: 96px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section .orb-pink { bottom: -200px; right: -100px; opacity: 0.5; }
.cta-section .orb-cyan { top: -150px; left: -100px; opacity: 0.4; }
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 { margin-bottom: 16px; }
.cta-inner > p { margin-bottom: 40px; font-size: 1.05rem; }
.cta-widget-wrap {
  max-width: 520px;
  margin: 0 auto;
}

/* ↓ footer */
.site-footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.footer-logo {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
}
.footer-logo span {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer-desc {
  font-size: 0.83rem;
  color: var(--muted);
  max-width: 260px;
  margin-top: 8px;
  line-height: 1.5;
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.85rem;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--text); }

/* ↓ regional-grid */
.regional-section {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.regional-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.regional-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px 16px;
}
.regional-grid a {
  font-size: 0.8rem;
  color: var(--muted);
  transition: color 0.2s;
}
.regional-grid a:hover { color: var(--p2); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
}

/* data-rise reveal animation */
[data-rise] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-rise].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ↓ responsive */
@media (max-width: 1024px) {
  section { padding: 72px 0; }
  .algo-phases { grid-template-columns: 1fr; gap: 16px; }
  .case-cards { grid-template-columns: repeat(2, 1fr); }
  .mechanism-steps { grid-template-columns: 1fr; }
  .analytics-steps { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 768px) {
  section { padding: 56px 0; }
  .stage { padding: 0 16px; }
  .header-nav { display: none; }
  .burger { display: flex; }
  .hero { padding: 120px 0 72px; }
  .hero h1 { font-size: clamp(2.2rem, 8vw, 3rem); }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .algo-phases { grid-template-columns: 1fr; }
  .case-cards { grid-template-columns: 1fr; }
  .mechanism-steps { grid-template-columns: 1fr; }
  .analytics-steps { grid-template-columns: 1fr; }
  .checklist-grid { grid-template-columns: 1fr; }
  .guarantees-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; gap: 24px; }
  .footer-nav { gap: 16px; }
  .regional-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .review-card { flex: 0 0 88vw; }
  .comparison-table th, .comparison-table td { padding: 10px 14px; font-size: 0.82rem; }
  .data-table th, .data-table td { padding: 10px 14px; }
  .inline-cta { flex-direction: column; text-align: center; gap: 12px; }
}

@media (max-width: 480px) {
  .hero-badges { gap: 6px; }
  .tag-label { font-size: 0.72rem; padding: 4px 10px; }
  .burst-btn { padding: 13px 24px; font-size: 0.92rem; }
  .regional-grid { grid-template-columns: repeat(2, 1fr); gap: 6px 10px; }
}