:root {
  --bg: #f6f8fb;
  --bg-soft: #eef3f8;
  --surface: rgba(255,255,255,0.82);
  --surface-strong: rgba(255,255,255,0.94);
  --surface-alt: #ffffff;
  --text: #172033;
  --muted: #647188;
  --muted-2: #8a94a6;
  --line: rgba(23,32,51,0.08);
  --line-strong: rgba(23,32,51,0.14);
  --primary: #315efb;
  --primary-2: #5a7cff;
  --primary-soft: rgba(49,94,251,0.12);
  --green: #1ea672;
  --amber: #c98a18;
  --danger: #df4a4a;
  --shadow: 0 24px 70px rgba(20, 35, 90, 0.10);
  --shadow-soft: 0 14px 36px rgba(21, 30, 62, 0.08);
  --container: 1240px;
  --hero-grad:
    radial-gradient(circle at 20% 20%, rgba(49,94,251,0.16), transparent 32%),
    radial-gradient(circle at 82% 18%, rgba(30,166,114,0.14), transparent 30%),
    linear-gradient(180deg, #fcfdff 0%, #f4f8fd 54%, #eef4fb 100%);
}

body.dark {
  --bg: #0c1322;
  --bg-soft: #10182b;
  --surface: rgba(14,22,38,0.78);
  --surface-strong: rgba(16,24,43,0.92);
  --surface-alt: #121b2f;
  --text: #eef4ff;
  --muted: #99a7bf;
  --muted-2: #74829c;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.14);
  --primary: #6f8cff;
  --primary-2: #8ca4ff;
  --primary-soft: rgba(111,140,255,0.18);
  --green: #39bf8a;
  --amber: #f0ab3e;
  --danger: #ff6b6b;
  --shadow: 0 26px 80px rgba(0,0,0,0.34);
  --shadow-soft: 0 16px 40px rgba(0,0,0,0.26);
  --hero-grad:
    radial-gradient(circle at 18% 20%, rgba(111,140,255,0.18), transparent 34%),
    radial-gradient(circle at 80% 22%, rgba(57,191,138,0.10), transparent 28%),
    linear-gradient(180deg, #0f1729 0%, #0d1527 55%, #0a1120 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background .35s ease, color .35s ease;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section { padding: 96px 0; }
.section-sm { padding: 72px 0; }

.bg-orb {
  position: fixed;
  inset: auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(90px);
  z-index: -1;
  pointer-events: none;
  opacity: .5;
  animation: floatOrb 20s ease-in-out infinite alternate;
}

.orb-a { top: -120px; left: -140px; background: rgba(49,94,251,0.18); }
.orb-b { top: 30%; right: -160px; background: rgba(30,166,114,0.12); animation-duration: 24s; }
.orb-c { bottom: -180px; left: 38%; background: rgba(201,138,24,0.10); animation-duration: 26s; }

@keyframes floatOrb {
  from { transform: translate3d(0,0,0) scale(1); }
  to { transform: translate3d(30px,-30px,0) scale(1.1); }
}

.toggle-btn, .ghost-btn, .primary-btn, .menu-btn, .lang-btn {
  border: 0;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  white-space: nowrap;
}

.toggle-btn:hover, .ghost-btn:hover, .primary-btn:hover, .menu-btn:hover, .lang-btn:hover {
  transform: translateY(-1px);
}

.toggle-btn {
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.ghost-btn {
  height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.primary-btn {
  height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 18px 34px rgba(49,94,251,.28);
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.lang-btn {
  min-width: 44px;
  height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: .85rem;
  font-weight: 600;
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 10px 20px rgba(49,94,251,.18);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

.nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex-shrink: 0;
}

.brand-logo-slot {
  width: 132px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-logo-slot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
  color: var(--muted);
  font-size: .98rem;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .25s ease;
  border-radius: 999px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 84px;
  left: 14px;
  right: 14px;
  padding: 16px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-alt) 96%, transparent), color-mix(in srgb, var(--surface) 98%, transparent));
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(14, 27, 61, 0.18);
  z-index: 55;
  opacity: 0;
  transform: translateY(-14px) scale(.98);
  pointer-events: none;
  transition: .28s ease;
  overflow: hidden;
}

.mobile-menu-glow {
  position: absolute;
  top: -70px;
  right: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-soft), transparent 70%);
  pointer-events: none;
}

.mobile-menu.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.mobile-menu-topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.mobile-menu-title {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -.02em;
}

.mobile-lang-switch {
  transform: scale(.95);
  transform-origin: right center;
}

.mobile-menu-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
}

.mobile-menu a,
.mobile-menu button {
  width: 100%;
  min-height: 52px;
  border-radius: 18px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: 0;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.mobile-menu a:hover,
.mobile-menu button:hover {
  background: color-mix(in srgb, var(--bg-soft) 84%, transparent);
}

.mobile-menu-bottom {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
}

.hero {
  position: relative;
  background: var(--hero-grad);
  overflow: hidden;
  padding: 44px 0 54px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  min-height: calc(100vh - 90px);
}

.hero-copy {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  color: var(--muted);
  box-shadow: var(--shadow-soft);
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.eyebrow i { color: var(--primary); }

.hero-title-2rows {
  margin: 0;
  max-width: 820px;
  font-size: clamp(3rem, 6vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -.05em;
  text-wrap: balance;
  font-weight: 500;
}

.hero-title-2rows span { display: block; }

.hero p {
  margin: 20px auto 0;
  max-width: 760px;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--muted);
}

.hero-form {
  margin-top: 30px;
  width: min(100%, 640px);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-form input {
  flex: 1;
  height: 58px;
  border-radius: 18px;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  padding: 0 16px;
  font-size: 1rem;
  min-width: 0;
}

.hero-form input::placeholder { color: var(--muted-2); }

.hero-form button {
  min-width: 180px;
  height: 58px;
  border-radius: 18px;
  border: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 18px 36px rgba(49,94,251,.26);
}

.hero-proof-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: 100%;
}

.hero-proof-card {
  padding: 24px;
  border-radius: 28px;
  background: color-mix(in srgb, var(--surface-alt) 84%, transparent);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  text-align: left;
  min-height: 100%;
}

.hero-proof-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--primary) 24%, var(--line));
  box-shadow: var(--shadow);
}

.hero-proof-card::before {
  content: "";
  position: absolute;
  top: -30px;
  right: -20px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--primary-soft);
}

.hero-proof-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-soft), rgba(30,166,114,.10));
  color: var(--primary);
  font-size: 1.14rem;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.hero-proof-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  letter-spacing: -.02em;
  position: relative;
  z-index: 1;
  font-weight: 500;
}

.hero-proof-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: .96rem;
  position: relative;
  z-index: 1;
}

.hero-proof-card .proof-note {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: .86rem;
  position: relative;
  z-index: 1;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
}

.section-head.left {
  margin: 0 0 28px;
  text-align: left;
  max-width: none;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 9px 14px;
  font-size: .95rem;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -.04em;
  font-weight: 500;
  text-wrap: balance;
}

.section-head p {
  margin: 14px auto 0;
  color: var(--muted);
  line-height: 1.8;
  max-width: 760px;
  font-size: 1.03rem;
}

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

.glass-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  min-height: 100%;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--primary) 25%, var(--line));
  box-shadow: var(--shadow);
}

.service-highlight {
  background:
    linear-gradient(135deg, rgba(49,94,251,0.18), rgba(90,124,255,0.16), rgba(30,166,114,0.10)),
    #edf3ff;
  border: 1px solid rgba(49,94,251,0.24);
}

body.dark .service-highlight {
  background:
    linear-gradient(135deg, rgba(111,140,255,0.20), rgba(140,164,255,0.14), rgba(57,191,138,0.08)),
    #14203a;
  border: 1px solid rgba(111,140,255,0.26);
}

.service-highlight .service-tags span {
  background: rgba(255,255,255,0.46);
  color: var(--text);
}

body.dark .service-highlight .service-tags span {
  background: rgba(255,255,255,0.08);
}

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-soft), color-mix(in srgb, var(--green) 16%, transparent));
  color: var(--primary);
  font-size: 1.28rem;
  margin-bottom: 18px;
}

.glass-card h3 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  letter-spacing: -.03em;
  font-weight: 500;
}

.glass-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.service-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: .9rem;
}

.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-alt) 68%, transparent);
}

.marquee {
  display: flex;
  width: max-content;
  animation: marquee 26s linear infinite;
  gap: 18px;
  padding: 18px 0;
}

.logo-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  color: var(--muted);
  box-shadow: var(--shadow-soft);
  min-width: 180px;
  justify-content: center;
  font-size: .98rem;
}

.logo-pill i { color: var(--primary); }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.why-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  align-items: stretch;
}

.stack { display: grid; gap: 18px; }

.info-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border-radius: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.info-row .mini-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--bg-soft);
  color: var(--primary);
  font-size: 1.2rem;
}

.info-row h4 {
  margin: 4px 0 8px;
  font-size: 1.1rem;
  letter-spacing: -.02em;
  font-weight: 500;
}

.info-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.why-system-card {
  min-height: 100%;
  border-radius: 32px;
  padding: 22px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-alt) 88%, transparent),
    color-mix(in srgb, var(--surface) 92%, transparent)
  );
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.why-system-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.why-system-dots { display: flex; gap: 8px; }

.why-system-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--line-strong);
}

.why-system-chip {
  padding: 9px 13px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .88rem;
}

.why-system-layout {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 14px;
  min-height: 500px;
}

.why-system-sidebar,
.why-system-main {
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.why-system-sidebar {
  padding: 16px 12px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.why-nav-icon {
  width: 100%;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--bg-soft) 88%, transparent);
  color: var(--primary);
  font-size: 1rem;
}

.why-system-main {
  padding: 18px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.why-system-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.why-lines {
  display: grid;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.why-line {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

.why-line.short { width: 30%; }
.why-line.mid { width: 55%; }
.why-line.long { width: 82%; }

.why-cta-pill {
  width: 120px;
  height: 42px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  opacity: .86;
  flex-shrink: 0;
}

.why-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.why-stat-box {
  padding: 16px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-alt) 78%, transparent);
  border: 1px solid var(--line);
}

.why-stat-box strong {
  display: block;
  font-size: 1.32rem;
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: -.03em;
}

.why-stat-box span {
  color: var(--muted);
  font-size: .92rem;
}

.why-main-panels {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 14px;
}

.why-chart-panel,
.why-list-panel {
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface-alt) 72%, transparent);
  border: 1px solid var(--line);
  padding: 16px;
}

.why-list-panel {
  display: grid;
  gap: 10px;
  align-content: start;
}

.chart-bars {
  display: flex;
  align-items: end;
  gap: 10px;
  min-height: 200px;
  padding-top: 18px;
}

.chart-bars span {
  flex: 1;
  border-radius: 14px 14px 8px 8px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--primary) 76%, white),
    color-mix(in srgb, var(--primary) 24%, transparent)
  );
  animation: bars 2.2s ease infinite alternate;
}

.chart-bars span:nth-child(2) { animation-delay: .15s; }
.chart-bars span:nth-child(3) { animation-delay: .3s; }
.chart-bars span:nth-child(4) { animation-delay: .45s; }
.chart-bars span:nth-child(5) { animation-delay: .6s; }

@keyframes bars {
  from { transform: scaleY(.92); opacity: .86; }
  to { transform: scaleY(1.04); opacity: 1; }
}

.why-list-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border: 1px solid var(--line);
}

.why-list-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.why-list-item span { font-size: .94rem; min-width: 0; }
.why-list-item small { color: var(--muted); white-space: nowrap; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.benefit-card {
  padding: 26px;
  border-radius: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  min-height: 100%;
}

.benefit-card i {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.benefit-card h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
  font-weight: 500;
}

.benefit-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.calculator-wrap {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 22px;
  align-items: start;
}

.modules-panel {
  border-radius: 30px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-alt) 88%, transparent),
    color-mix(in srgb, var(--surface) 92%, transparent)
  );
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 24px;
}

.modules-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.modules-toolbar h3 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -.03em;
  font-weight: 500;
}

.modules-toolbar p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: .96rem;
}

.modules-compact-list { display: grid; gap: 12px; }

.module-item {
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease, background .25s ease;
}

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

.module-item.active {
  border-color: color-mix(in srgb, var(--primary) 34%, var(--line));
  box-shadow: 0 18px 42px rgba(49,94,251,.10);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-alt) 92%, transparent),
    color-mix(in srgb, var(--primary-soft) 22%, transparent)
  );
}

.module-item.required {
  border-color: color-mix(in srgb, var(--primary) 38%, var(--line));
}

.module-item.locked .module-inline-price::after {
  content: " • Required";
  font-size: .78rem;
  color: var(--muted);
}

.module-item-top {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
}

.module-item-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.module-toggle-check {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  border: 1.5px solid var(--line-strong);
  display: grid;
  place-items: center;
  color: transparent;
  transition: .2s ease;
  flex-shrink: 0;
}

.module-item.active .module-toggle-check {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: transparent;
  color: #fff;
}

.module-mini-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-soft), rgba(30,166,114,.10));
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
}

.module-name-wrap { min-width: 0; }

.module-name {
  font-size: 1rem;
  letter-spacing: -.02em;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.module-sub {
  font-size: .88rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.module-inline-price {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: .9rem;
  white-space: nowrap;
}

.module-expand-btn {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform .25s ease, color .25s ease, background .25s ease;
  flex-shrink: 0;
}

.module-expand-btn:hover {
  background: var(--bg-soft);
  color: var(--text);
}

.module-item.open .module-expand-btn { transform: rotate(180deg); }

.module-item-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.module-item.open .module-item-body { max-height: 220px; }

.module-item-body-inner {
  padding: 0 18px 18px 96px;
  color: var(--muted);
  line-height: 1.75;
  font-size: .95rem;
}

.pricing-card {
  position: sticky;
  top: 104px;
  border-radius: 30px;
  padding: 28px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-alt) 92%, transparent),
    color-mix(in srgb, var(--surface) 95%, transparent)
  );
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.pricing-card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -30px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-soft), transparent 70%);
  pointer-events: none;
}

.pricing-card > * {
  position: relative;
  z-index: 1;
}

.pricing-card h3 {
  margin: 0 0 10px;
  font-size: 1.42rem;
  letter-spacing: -.03em;
  font-weight: 500;
}

.pricing-card p {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.75;
}

.pricing-group {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.field {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface-strong) 96%, transparent);
  border: 1px solid var(--line);
}

.field label {
  font-size: .95rem;
  color: var(--muted);
}

.field input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

.field-note {
  color: var(--muted);
  line-height: 1.6;
  font-size: .88rem;
}

.range-row, .total-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.range-value {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  min-width: 72px;
  text-align: center;
}

.summary-box {
  margin-top: 20px;
  padding: 18px;
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  display: grid;
  gap: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}

.total-line { color: var(--muted); }

.total-line strong {
  color: var(--text);
  font-size: 1.04rem;
  font-weight: 500;
}

.grand-total {
  margin-top: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
}

.grand-total span { color: var(--muted); }

.grand-total strong {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  letter-spacing: -.05em;
  font-weight: 500;
}

.selected-modules-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.selected-tag {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: .88rem;
}

.note {
  margin-top: 16px;
  color: var(--muted);
  line-height: 1.7;
  font-size: .95rem;
}

.pricing-actions {
  margin-top: 22px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.reviews-shell {
  position: relative;
  overflow: hidden;
  cursor: grab;
  user-select: none;
  touch-action: pan-y;
}

.reviews-shell.dragging {
  cursor: grabbing;
}

.reviews-track {
  display: flex;
  gap: 18px;
  width: max-content;
  padding-bottom: 8px;
  will-change: transform;
}

.review-card {
  width: 380px;
  padding: 28px;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  flex: 0 0 auto;
}

.review-stars {
  color: #ffb347;
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.review-card p {
  margin: 0;
  color: var(--text);
  line-height: 1.9;
  font-size: 1rem;
}

.review-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  color: var(--muted);
}

.avatar {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-soft), rgba(30,166,114,.15));
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 22px;
  align-items: stretch;
}

.contact-card {
  padding: 30px;
  border-radius: 30px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-alt) 88%, transparent),
    color-mix(in srgb, var(--surface) 92%, transparent)
  );
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-points {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.contact-point {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-radius: 20px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.contact-point i {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--bg-soft);
  color: var(--primary);
}

.contact-point strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
}

.contact-point span {
  color: var(--muted);
  line-height: 1.7;
  font-size: .96rem;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
  color: var(--text);
  min-height: 56px;
  padding: 0 16px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.contact-form textarea {
  min-height: 190px;
  padding: 16px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus,
.hero-form input:focus {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--line));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-soft) 70%, transparent);
}

.contact-submit-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.contact-submit-row .helper-text {
  color: var(--muted);
  line-height: 1.7;
  max-width: 420px;
}

.footer {
  padding: 38px 0 46px;
  border-top: 1px solid var(--line);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-alt) 62%, transparent),
    color-mix(in srgb, var(--bg) 86%, transparent)
  );
}

.footer-shell {
  border-radius: 30px;
  padding: 28px;
  background: color-mix(in srgb, var(--surface-strong) 90%, transparent);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.15fr .85fr 1fr;
  gap: 24px;
  align-items: start;
}

.footer-brand {
  max-width: 420px;
}

.footer-brand-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.footer-brand p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.footer-col h4 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -.01em;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a,
.footer-links span {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.7;
}

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

.footer-contact-col {
  display: grid;
  gap: 16px;
}

.footer-contact-list {
  display: grid;
  gap: 10px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-alt) 76%, transparent);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  color: var(--muted);
  transition: transform .2s ease, border-color .2s ease, color .2s ease;
}

.footer-contact-item:hover {
  transform: translateY(-2px);
  color: var(--text);
  border-color: color-mix(in srgb, var(--primary) 22%, var(--line));
}

.footer-contact-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-soft), rgba(30,166,114,.10));
  color: var(--primary);
  flex-shrink: 0;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-social {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--surface-alt) 84%, transparent);
  border: 1px solid var(--line);
  color: var(--muted);
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, color .2s ease, border-color .2s ease, background .2s ease;
}

.footer-social:hover {
  transform: translateY(-2px);
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 24%, var(--line));
  background: color-mix(in srgb, var(--primary-soft) 68%, var(--surface-alt));
}

.footer-bottom {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: .9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
  will-change: transform, opacity;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1120px) {
  .services-grid,
  .benefits-grid,
  .hero-proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calculator-wrap,
  .contact-layout,
  .why-grid,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .pricing-card { position: static; }

  .why-stats-row,
  .why-main-panels {
    grid-template-columns: 1fr;
  }

  .review-card {
    width: min(78vw, 360px);
  }

  .footer-brand {
    max-width: none;
  }
}

@media (max-width: 920px) {
  .nav { min-height: 74px; }

  .nav-links,
  .nav-actions .ghost-btn,
  .nav-actions .primary-btn,
  .nav-actions > .lang-switch {
    display: none;
  }

  .menu-btn,
  .mobile-menu {
    display: block;
  }

  .hero {
    padding-top: 22px;
    padding-bottom: 42px;
  }

  .hero-grid {
    min-height: auto;
    padding: 22px 0 10px;
  }

  .hero-copy { max-width: 100%; }

  .hero-form {
    flex-direction: column;
    padding: 14px;
    border-radius: 24px;
  }

  .hero-form button,
  .hero-form input {
    width: 100%;
  }

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

  .why-system-layout {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .why-system-sidebar {
    grid-auto-flow: column;
    grid-auto-columns: minmax(62px, 1fr);
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .module-item-body-inner { padding-left: 18px; }

  .contact-submit-row {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-submit-row .primary-btn { width: 100%; }
}

@media (max-width: 720px) {
  .section { padding: 74px 0; }
  .section-sm { padding: 54px 0; }

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand-logo-slot {
    width: 112px;
    height: 34px;
  }

  .hero-title-2rows {
    font-size: clamp(2.35rem, 9vw, 3.7rem);
    max-width: 560px;
  }

  .hero p {
    font-size: 1rem;
    line-height: 1.72;
  }

  .eyebrow {
    font-size: .92rem;
    padding: 10px 12px;
  }

  .section-head h2 {
    font-size: clamp(1.7rem, 8vw, 2.5rem);
  }

  .hero-proof-grid,
  .services-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .hero-proof-card,
  .glass-card,
  .benefit-card,
  .contact-card,
  .modules-panel,
  .pricing-card,
  .review-card,
  .footer-shell,
  .why-system-card {
    border-radius: 24px;
  }

  .review-card {
    width: min(90vw, 340px);
    padding: 22px;
  }

  .module-item-top {
    grid-template-columns: auto 1fr auto;
    align-items: start;
  }

  .module-inline-price {
    grid-column: 2 / 3;
    justify-self: start;
    margin-top: 6px;
  }

  .module-expand-btn {
    grid-column: 3 / 4;
    grid-row: 1 / 3;
    align-self: center;
  }

  .module-name,
  .module-sub {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }

  .why-system-main,
  .why-chart-panel,
  .why-list-panel,
  .summary-box {
    padding: 14px;
  }

  .why-list-item {
    grid-template-columns: auto 1fr;
  }

  .why-list-item small {
    grid-column: 2 / 3;
  }

  .footer-top { gap: 20px; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .pricing-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .pricing-actions .primary-btn,
  .pricing-actions .ghost-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(calc(100% - 22px), var(--container));
  }

  .nav { gap: 12px; }

  .brand-logo-slot {
    width: 98px;
    height: 30px;
  }

  .hero {
    padding-top: 16px;
    padding-bottom: 34px;
  }

  .hero-grid { gap: 28px; }

  .hero-title-2rows {
    font-size: clamp(2rem, 10vw, 2.9rem);
    letter-spacing: -.045em;
  }

  .hero-form {
    gap: 10px;
    padding: 10px;
  }

  .hero-form input,
  .hero-form button {
    height: 54px;
    border-radius: 16px;
  }

  .hero-proof-card,
  .glass-card,
  .benefit-card {
    padding: 20px;
  }

  .info-row {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .info-row .mini-icon {
    width: 52px;
    height: 52px;
  }

  .contact-card,
  .modules-panel,
  .pricing-card,
  .footer-shell,
  .why-system-card {
    padding: 20px;
  }

  .pricing-card h3,
  .modules-toolbar h3 {
    font-size: 1.22rem;
  }

  .range-row,
  .total-line,
  .grand-total {
    align-items: flex-start;
  }

  .range-row,
  .grand-total {
    flex-direction: column;
  }

  .why-system-top {
    align-items: flex-start;
  }

  .why-system-chip { font-size: .84rem; }

  .chart-bars {
    min-height: 150px;
    gap: 8px;
  }

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

  .contact-point i {
    width: 40px;
    height: 40px;
  }

  .footer-brand-top { align-items: flex-start; }

  .mobile-menu {
    top: 76px;
    left: 10px;
    right: 10px;
  }

  .footer-contact-item {
    padding: 11px 12px;
  }

  .footer-social {
    width: 40px;
    height: 40px;
  }
}