src/site.css - main - spider0/Spider0

src/site.css
1 463 строки29 KB
AlexSpider0686
Refine AI survey flow and rebrand to Project.Core
29 мар 2026, 00:46
29 мар 2026, 00:46a9bf7b9
.app-shell {
  --bg: #07111c;
  --bg-soft: #0e1a28;
  --surface: rgba(14, 26, 40, 0.88);
  --surface-2: rgba(255, 255, 255, 0.06);
  --card: rgba(8, 18, 30, 0.78);
  --text: #eff6ff;
  --muted: #a6bdd6;
  --primary: #59d0ff;
  --primary-2: #8b66ff;
  --line: rgba(255, 255, 255, 0.12);
  --success: #86efac;
  --error: #fecaca;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", Arial, sans-serif;
}

.app-shell,
.app-shell * {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

.app-shell a {
  color: var(--primary);
  text-decoration: none;
}

.app-shell a:hover {
  text-decoration: underline;
}

.app-shell .container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.app-shell .site-build-badge {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 45;
  font-size: 11px;
  font-weight: 700;
  color: #d9f2ff;
  background: rgba(5, 20, 34, 0.78);
  border: 1px solid rgba(105, 199, 255, 0.45);
  border-radius: 999px;
  padding: 4px 10px;
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.app-shell .btn {
  border: 0;
  border-radius: 999px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.app-shell button {
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease,
    opacity 0.2s ease;
}

.app-shell button:not(:disabled):hover {
  transform: translateY(-1px);
}

.app-shell button:not(:disabled):active {
  transform: translateY(0) scale(0.985);
}

.app-shell .btn:hover {
  transform: translateY(-1px);
}

.app-shell .btn--primary {
  position: relative;
  overflow: hidden;
  color: #03111c;
  background: linear-gradient(135deg, var(--primary), #86f0ff);
  box-shadow: 0 8px 24px rgba(89, 208, 255, 0.24);
}

.app-shell .btn--primary::after {
  content: "";
  position: absolute;
  top: -140%;
  left: -30%;
  width: 36%;
  height: 360%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), transparent);
  transform: rotate(18deg);
  animation: button-shine 3s ease-in-out infinite;
  pointer-events: none;
}

.app-shell .btn--secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--line);
}

.app-shell .btn--ghost,
.app-shell .btn--ghost-light {
  color: var(--text);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.app-shell .btn--ghost-light {
  background: rgba(255, 255, 255, 0.04);
}

.app-shell .btn--signal {
  color: #fff8ee;
  background: linear-gradient(135deg, #ff8f1f, #ff5353);
  border: 1px solid rgba(255, 214, 172, 0.38);
  box-shadow: 0 10px 28px rgba(255, 101, 53, 0.28);
}

.app-shell .btn--signal:hover {
  text-decoration: none;
  box-shadow: 0 14px 32px rgba(255, 101, 53, 0.34);
}

.app-shell .hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.app-shell .hero::before,
.app-shell .hero::after {
  content: "";
  position: absolute;
  inset: auto;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  filter: blur(72px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.app-shell .hero::before {
  top: -120px;
  right: -120px;
  background: rgba(91, 208, 255, 0.44);
  animation: ambient-drift 14s ease-in-out infinite alternate;
}

.app-shell .hero::after {
  bottom: -160px;
  left: -120px;
  background: rgba(139, 102, 255, 0.35);
  animation: ambient-drift 17s ease-in-out infinite alternate-reverse;
}

.app-shell .hero-video,
.app-shell .hero-video__media,
.app-shell .hero-video__overlay {
  position: absolute;
  inset: 0;
}

.app-shell .hero-video__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-shell .hero-video__overlay {
  background:
    radial-gradient(circle at top right, rgba(91, 209, 255, 0.25), transparent 35%),
    linear-gradient(180deg, rgba(7, 17, 28, 0.35) 0%, rgba(7, 17, 28, 0.75) 48%, rgba(7, 17, 28, 0.98) 100%);
}

.app-shell .hero__content {
  position: relative;
  z-index: 1;
  padding-top: 120px;
  padding-bottom: 80px;
}

.app-shell .hero__badge,
.app-shell .section-header__eyebrow,
.app-shell .modal-card__eyebrow,
.app-shell .spotlight-card__eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-shell .hero__badge {
  animation: fade-up 0.6s ease forwards;
}

.app-shell .hero h1 {
  margin: 20px 0 16px;
  max-width: 900px;
  font-size: clamp(44px, 6vw, 78px);
  line-height: 0.96;
  animation: fade-up 0.7s ease forwards;
}

.app-shell .hero__lead {
  max-width: 780px;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  color: #d8e8f8;
  animation: fade-up 0.8s ease forwards;
}

.app-shell .hero__actions {
  display: flex;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
  animation: fade-up 0.9s ease forwards;
}

.app-shell .hero__actions .btn--signal {
  margin-left: auto;
}

.app-shell .hero__grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  animation: fade-up 1s ease forwards;
}

.app-shell .metric-card {
  padding: 18px;
  border-radius: 24px;
  background: rgba(8, 18, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  animation: metric-float 9s ease-in-out infinite;
}

.app-shell .metric-card:nth-child(2) {
  animation-delay: 0.8s;
}

.app-shell .metric-card:nth-child(3) {
  animation-delay: 1.6s;
}

.app-shell .metric-card:nth-child(4) {
  animation-delay: 2.4s;
}

.app-shell .metric-card:nth-child(5) {
  animation-delay: 3.2s;
}

.app-shell .metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(137, 224, 255, 0.6);
  box-shadow: 0 16px 34px rgba(3, 12, 20, 0.35);
}

.app-shell .metric-card__value {
  font-size: 28px;
  font-weight: 800;
}

.app-shell .metric-card__label {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.app-shell .hero__legal-note {
  margin-top: 24px;
  max-width: 920px;
  color: #b7cee4;
  font-size: 14px;
}

.app-shell .section {
  padding: 88px 0;
}

.app-shell .section--dark {
  background: linear-gradient(180deg, #081320 0%, #07111c 100%);
}

.app-shell .section--light {
  background: #f5f9fe;
  color: #102132;
}

.app-shell .section--light a {
  color: #0d6a95;
}

.app-shell .section-header {
  max-width: 820px;
  margin-bottom: 32px;
}

.app-shell .section-header h2 {
  margin: 16px 0 14px;
  font-size: clamp(32px, 3.2vw, 52px);
  line-height: 1.05;
}

.app-shell .section-header p {
  margin: 0;
  color: inherit;
  opacity: 0.82;
  font-size: 18px;
  line-height: 1.6;
}

.app-shell .comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.app-shell .comparison-card {
  padding: 32px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.app-shell .comparison-card:hover {
  transform: translateY(-4px);
  border-color: rgba(126, 213, 255, 0.55);
}

.app-shell .comparison-card__tag {
  color: var(--primary);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
}

.app-shell .comparison-card h3 {
  margin: 0 0 14px;
  font-size: 31px;
}

.app-shell .comparison-card p {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
}

.app-shell .comparison-card__split {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.app-shell .comparison-card__split strong {
  display: block;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 20px;
}

.app-shell .table-wrap {
  overflow-x: auto;
  border-radius: 24px;
  box-shadow: 0 10px 40px rgba(5, 14, 24, 0.08);
}

.app-shell .positioning-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

.app-shell .positioning-table th,
.app-shell .positioning-table td {
  padding: 18px;
  border-bottom: 1px solid rgba(16, 33, 50, 0.08);
  text-align: left;
}

.app-shell .positioning-table--large th,
.app-shell .positioning-table--large td {
  font-size: 18px;
  line-height: 1.45;
}

.app-shell .positioning-table th {
  background: #eff6ff;
  color: #0f2438;
}

.app-shell .positioning-table td:last-child,
.app-shell .positioning-table th:last-child {
  font-weight: 700;
}

.app-shell .feature-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
}

.app-shell .growth-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.app-shell .growth-list li {
  position: relative;
  padding-left: 24px;
  color: #33506d;
  font-weight: 600;
  line-height: 1.6;
}

.app-shell .growth-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}

.app-shell .spotlight-card {
  padding: 30px;
  border-radius: 32px;
  background: linear-gradient(160deg, rgba(91, 208, 255, 0.18), rgba(139, 102, 255, 0.14), rgba(255, 255, 255, 0.82));
  border: 1px solid rgba(23, 77, 126, 0.12);
  box-shadow: 0 18px 34px rgba(44, 82, 130, 0.12);
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.app-shell .spotlight-card:hover {
  transform: translateY(-4px);
  border-color: rgba(126, 213, 255, 0.62);
}

.app-shell .spotlight-card h3 {
  font-size: 28px;
  line-height: 1.15;
  margin: 18px 0 14px;
  color: #102a43;
}

.app-shell .spotlight-card p {
  color: #4b647d;
  line-height: 1.65;
  font-weight: 500;
}

.app-shell .spotlight-card .btn--primary {
  box-shadow: 0 10px 24px rgba(65, 174, 228, 0.24);
}

.app-shell .section--dark .spotlight-card {
  background:
    linear-gradient(180deg, rgba(7, 22, 37, 0.9) 0%, rgba(17, 43, 68, 0.84) 44%, rgba(222, 232, 246, 0.9) 100%);
  border-color: rgba(116, 205, 255, 0.42);
  box-shadow: 0 18px 36px rgba(2, 12, 22, 0.34);
}

.app-shell .section--dark .spotlight-card__eyebrow {
  color: #d7efff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(168, 225, 255, 0.24);
}

.app-shell .section--dark .spotlight-card h3 {
  color: #f4fbff;
  text-shadow: 0 1px 10px rgba(2, 10, 18, 0.2);
}

.app-shell .section--dark .spotlight-card p {
  color: #d7e8fb;
  text-shadow: 0 1px 8px rgba(2, 10, 18, 0.18);
}

.app-shell .section--light .spotlight-card__eyebrow {
  color: #6b86a1;
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(62, 113, 167, 0.14);
}

.app-shell .logic-sequence {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.app-shell .logic-sequence__card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(17, 55, 92, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(240, 249, 255, 0.96));
  box-shadow: 0 10px 24px rgba(12, 32, 54, 0.08);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.app-shell .logic-sequence__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(12, 32, 54, 0.14);
}

.app-shell .logic-sequence__card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: #123458;
}

.app-shell .logic-sequence__card p {
  margin: 0;
  color: #324f6d;
  line-height: 1.5;
}

.app-shell .calc-logic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.app-shell .calc-logic-card,
.app-shell .coefficient-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(17, 55, 92, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(240, 249, 255, 0.96));
  box-shadow: 0 10px 24px rgba(12, 32, 54, 0.08);
}

.app-shell .calc-logic-card h3,
.app-shell .coefficient-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  color: #123458;
}

.app-shell .calc-logic-card ul,
.app-shell .coefficient-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.app-shell .calc-logic-card li,
.app-shell .coefficient-card li {
  color: #324f6d;
  line-height: 1.45;
}

.app-shell .calc-logic-card--wide {
  margin-bottom: 16px;
}

.app-shell .ai-showcase {
  position: relative;
  overflow: hidden;
}

.app-shell .ai-showcase::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 8% 10%, rgba(92, 212, 255, 0.16), transparent 34%),
    radial-gradient(circle at 92% 20%, rgba(136, 112, 255, 0.16), transparent 30%);
  pointer-events: none;
}

.app-shell .ai-capability-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.app-shell .ai-capability-card {
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(170deg, rgba(8, 28, 44, 0.9), rgba(11, 36, 58, 0.78));
  border: 1px solid rgba(137, 224, 255, 0.24);
  box-shadow: 0 12px 28px rgba(1, 10, 18, 0.34);
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.app-shell .ai-capability-card:hover {
  transform: translateY(-3px);
  border-color: rgba(137, 224, 255, 0.5);
}

.app-shell .ai-capability-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.2;
}

.app-shell .ai-capability-card p {
  margin: 0;
  color: #d2e4f7;
  line-height: 1.55;
  font-size: 16px;
}

.app-shell .ai-flow {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.app-shell .ai-flow h3 {
  margin: 0 0 10px;
  font-size: 24px;
}

.app-shell .ai-flow ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.app-shell .ai-flow li {
  color: #d7eafc;
  line-height: 1.55;
  font-size: 16px;
}

.app-shell .system-logic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.app-shell .system-logic-card {
  position: relative;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(17, 55, 92, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 247, 255, 0.98));
  box-shadow: 0 10px 24px rgba(12, 32, 54, 0.08);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.app-shell .system-logic-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(12, 32, 54, 0.14);
}

.app-shell .system-logic-card__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  height: 28px;
  border-radius: 999px;
  background: #0e5d8c;
  color: #f4fbff;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 10px;
}

.app-shell .system-logic-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  color: #123458;
}

.app-shell .system-logic-card p {
  margin: 0 0 8px;
  color: #324f6d;
  line-height: 1.5;
}

.app-shell .coefficient-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.app-shell .budget-formula {
  border-radius: 18px;
  padding: 18px;
  border: 1px solid rgba(18, 74, 122, 0.24);
  background: linear-gradient(135deg, rgba(15, 86, 138, 0.92), rgba(25, 115, 175, 0.9));
  color: #f2fbff;
  box-shadow: 0 14px 26px rgba(8, 39, 68, 0.24);
}

.app-shell .budget-formula h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.app-shell .budget-formula p {
  margin: 0;
  line-height: 1.55;
}

.app-shell .legal-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
}

.app-shell .legal-strip__links {
  display: grid;
  gap: 12px;
  align-self: center;
}

.app-shell .footer {
  padding: 32px 0 44px;
  background: #04101a;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.app-shell .footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 0.8fr;
  gap: 24px;
}

.app-shell .footer__brand {
  font-size: 24px;
  font-weight: 800;
}

.app-shell .footer__copy,
.app-shell .footer__meta {
  color: var(--muted);
  line-height: 1.6;
}

.app-shell .footer__nav {
  display: grid;
  gap: 10px;
}

.app-shell .cookie-banner {
  position: fixed;
  inset: auto 20px 20px 20px;
  z-index: 30;
}

.app-shell .cookie-banner__card {
  width: min(820px, 100%);
  margin-left: auto;
  padding: 20px;
  border-radius: 24px;
  background: rgba(5, 15, 25, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.38);
}

.app-shell .cookie-banner__actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.app-shell .cookie-banner__settings {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.app-shell .cookie-banner__settings label {
  display: flex;
  gap: 10px;
  align-items: center;
}

.app-shell .promo-reel {
  position: fixed;
  inset: 0;
  z-index: 55;
  display: grid;
  place-items: center;
  padding: 24px;
}

.app-shell .promo-reel__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 9, 16, 0.8);
  backdrop-filter: blur(12px);
}

.app-shell .promo-reel__window {
  position: relative;
  z-index: 1;
  width: min(var(--promo-width), calc(100vw - 48px));
  max-width: min(var(--promo-width), calc(100vw - 48px));
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(6, 18, 30, 0.96), rgba(8, 20, 33, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.46);
}

.app-shell .promo-reel__window.is-fullscreen {
  width: 100%;
  max-width: 100%;
  height: 100%;
  border-radius: 0;
  border: 0;
}

.app-shell .promo-reel__frame {
  position: relative;
  width: 100%;
  height: var(--promo-height);
  background: #030b14;
}

.app-shell .promo-reel__window.is-fullscreen .promo-reel__frame {
  height: calc(100vh - 116px);
}

.app-shell .promo-reel__frame canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.app-shell .promo-reel__hud {
  position: absolute;
  top: 18px;
  left: 18px;
  right: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.app-shell .promo-reel__eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #d8efff;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-shell .promo-reel__close {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 15, 25, 0.76);
  color: #f4fbff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.app-shell .promo-reel__caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(4, 13, 22, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.app-shell .promo-reel__caption strong {
  font-size: 22px;
  color: #ffffff;
}

.app-shell .promo-reel__caption span {
  color: #d6e8f9;
  line-height: 1.5;
}

.app-shell .promo-reel__controls {
  display: grid;
  gap: 16px;
  padding: 18px 20px 20px;
}

.app-shell .promo-reel__buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.app-shell .promo-reel__timeline {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  color: #d6e8f9;
  font-size: 14px;
}

.app-shell .promo-reel__timeline input[type="range"] {
  width: 100%;
}

.app-shell .promo-reel__meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: #9ebbd8;
  font-size: 13px;
}

.app-shell .modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(3, 10, 16, 0.78);
  backdrop-filter: blur(8px);
}

.app-shell .modal-card {
  position: relative;
  width: min(620px, 100%);
  max-width: 620px;
  padding: 32px;
  border-radius: 30px;
  background: #091625;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.app-shell .modal-card h3 {
  margin: 18px 0 8px;
  font-size: 42px;
  line-height: 1.02;
  color: #f4fbff;
}

.app-shell .modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  border: 0;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: transparent;
  color: #e8f4ff;
  font-size: 30px;
  cursor: pointer;
}

.app-shell .auth-form {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.app-shell .auth-form label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  min-width: 0;
}

.app-shell .auth-form input[type="email"],
.app-shell .otp-grid input {
  height: 52px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: #eff6ff;
  padding: 0 14px;
  font-size: 18px;
}

.app-shell .auth-form input[type="email"]::placeholder {
  color: rgba(210, 229, 248, 0.58);
}

.app-shell .checkbox-line {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  font-weight: 500 !important;
  color: #d3e9ff;
  line-height: 1.45;
}

.app-shell .checkbox-line input {
  margin-top: 3px;
}

.app-shell .checkbox-line span {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.app-shell .checkbox-line a {
  color: #78d8ff;
  text-decoration: underline;
}

.app-shell .auth-form__hint {
  color: #bfd8f2;
  font-size: 13px;
  line-height: 1.45;
}

.app-shell .form-error {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #ffd8d8;
}

.app-shell .otp-grid {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.app-shell .otp-grid input {
  width: 100%;
  min-width: 0;
  padding: 0;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
}

.app-shell .otp-grid input:focus-visible {
  outline: 2px solid rgba(113, 216, 255, 0.88);
  outline-offset: 0;
}

.app-shell .auth-success p {
  color: var(--muted);
  line-height: 1.6;
}

.app-shell .legal-page {
  min-height: 70vh;
  padding: 56px 0 80px;
  background: linear-gradient(180deg, #091422 0%, #07111c 100%);
}

.app-shell .legal-page__container {
  max-width: 920px;
}

.app-shell .legal-page__back {
  display: inline-block;
  margin-bottom: 16px;
}

.app-shell .legal-page h1 {
  margin: 0 0 18px;
  font-size: 46px;
}

.app-shell .legal-page__content {
  padding: 28px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.app-shell .legal-page__content h2 {
  margin-top: 28px;
  font-size: 24px;
}

.app-shell .legal-page__content p,
.app-shell .legal-page__content li {
  color: #d0e1f1;
  line-height: 1.7;
}

.app-shell .about-system-page {
  background:
    linear-gradient(180deg, rgba(4, 14, 26, 0.72) 0%, rgba(4, 12, 23, 0.86) 34%, #07111c 100%),
    #07111c;
  color: #eff6ff;
  position: relative;
}

.app-shell .about-system-hero {
  position: relative;
  min-height: 58vh;
  overflow: hidden;
}

.app-shell .about-system-hero__backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 13, 24, 0.16) 0%, rgba(5, 13, 24, 0.72) 56%, rgba(5, 13, 24, 0.92) 100%),
    url("https://images.unsplash.com/photo-1499092346589-b9b6be3e94b2?auto=format&fit=crop&w=2200&q=80")
      center/cover no-repeat;
  transform: scale(1.03);
}

.app-shell .about-system-hero__container {
  position: relative;
  z-index: 1;
  padding-top: 64px;
  padding-bottom: 96px;
}

.app-shell .about-system-page__back {
  display: inline-flex;
  align-items: center;
  margin-bottom: 20px;
  color: #d7ecff;
  font-size: 15px;
  font-weight: 700;
}

.app-shell .about-system-hero__eyebrow {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #d8f0ff;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.app-shell .about-system-hero h1 {
  margin: 22px 0 18px;
  max-width: 860px;
  font-size: clamp(38px, 5vw, 68px);
  line-height: 0.98;
}

.app-shell .about-system-hero__lead {
  max-width: 760px;
  margin: 0;
  font-size: 20px;
  line-height: 1.7;
  color: #dceafb;
}

.app-shell .about-system-body {
  position: relative;
  z-index: 1;
  margin-top: -34px;
  padding-bottom: 88px;
  background:
    linear-gradient(180deg, rgba(5, 13, 24, 0.12) 0%, rgba(5, 13, 24, 0.42) 12%, rgba(5, 13, 24, 0.74) 30%, rgba(5, 13, 24, 0.3) 46%, rgba(5, 13, 24, 0.76) 66%, rgba(5, 13, 24, 0.26) 82%, rgba(5, 13, 24, 0.92) 100%),
    url("https://images.unsplash.com/photo-1534430480872-3498386e7856?auto=format&fit=crop&w=2200&q=80")
      center top / 100% 33% no-repeat,
    url("https://images.unsplash.com/photo-1518391846015-55a9cc003b25?auto=format&fit=crop&w=2200&q=80")
      center 44% / 100% 33% no-repeat,
    url("https://images.unsplash.com/photo-1477959858617-67f85cf4f1df?auto=format&fit=crop&w=2200&q=80")
      center bottom / 100% 33% no-repeat;
}

.app-shell .about-system-layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.app-shell .about-system-toc {
  position: sticky;
  top: 24px;
  align-self: start;
  height: fit-content;
}

.app-shell .about-system-toc__card,
.app-shell .about-system-section {
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 23, 38, 0.74);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(16px);
}

.app-shell .about-system-toc__card {
  padding: 24px 22px;
}

.app-shell .about-system-toc__title {
  margin-bottom: 14px;
  color: #ffffff;
  font-size: 20px;
  font-weight: 800;
}

.app-shell .about-system-toc nav {
  display: grid;
  gap: 10px;
}

.app-shell .about-system-toc a {
  padding: 10px 12px;
  border-radius: 14px;
  color: #d9ecff;
  font-size: 14px;
  line-height: 1.5;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.app-shell .about-system-toc a:hover {
  text-decoration: none;
  transform: translateX(2px);
  background: rgba(89, 208, 255, 0.08);
  border-color: rgba(89, 208, 255, 0.2);
}

.app-shell .about-system-content {
  display: grid;
  gap: 20px;
  position: relative;
}

.app-shell .about-system-section {
  padding: 30px 32px;
  position: relative;
}

.app-shell .about-system-section h2 {
  margin: 0 0 18px;
  font-size: 31px;
  line-height: 1.12;
  color: #ffffff;
}

.app-shell .about-system-section p,
.app-shell .about-system-section li {
  color: #d5e3f2;
  font-size: 17px;
  line-height: 1.8;
}

.app-shell .about-system-section p {
  margin: 0 0 14px;
}

.app-shell .about-system-section ul {
  margin: 14px 0 0;
  padding-left: 22px;
}

.app-shell .about-system-section li + li {
  margin-top: 8px;
}

.app-shell .about-system-copyright-note {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(89, 208, 255, 0.08);
  border: 1px solid rgba(89, 208, 255, 0.18);
  color: #ebf7ff;
}

@keyframes ambient-drift {
  0% {
    transform: translate3d(-8px, -8px, 0) scale(0.98);
  }
  100% {
    transform: translate3d(12px, 10px, 0) scale(1.05);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes metric-float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
  100% {
    transform: translateY(0);
  }
}

@keyframes button-shine {
  0% {
    left: -40%;
    opacity: 0;
  }
  25% {
    opacity: 1;
  }
  50% {
    left: 120%;
    opacity: 0;
  }
  100% {
    left: 120%;
    opacity: 0;
  }
}

@media (max-width: 960px) {
  .app-shell .hero__grid,
  .app-shell .comparison-grid,
  .app-shell .ai-capability-grid,
  .app-shell .feature-layout,
  .app-shell .footer__grid,
  .app-shell .legal-strip,
  .app-shell .logic-sequence,
  .app-shell .calc-logic-grid,
  .app-shell .system-logic-grid,
  .app-shell .coefficient-grid {
    grid-template-columns: 1fr;
  }

  .app-shell .comparison-card__split {
    grid-template-columns: 1fr;
  }

  .app-shell .hero__actions .btn--signal {
    margin-left: 0;
  }

  .app-shell .about-system-layout {
    grid-template-columns: 1fr;
  }

  .app-shell .about-system-toc {
    position: static;
  }
}

@media (max-width: 720px) {
  .app-shell .hero__content {
    padding-top: 92px;
  }

  .app-shell .promo-reel {
    padding: 12px;
  }

  .app-shell .promo-reel__caption strong {
    font-size: 18px;
  }

  .app-shell .promo-reel__caption span {
    font-size: 14px;
  }

  .app-shell .promo-reel__controls {
    padding: 14px;
  }

  .app-shell .promo-reel__timeline {
    grid-template-columns: 1fr;
  }

  .app-shell .hero h1 {
    font-size: 42px;
  }

  .app-shell .section {
    padding: 68px 0;
  }

  .app-shell .modal-card {
    padding: 22px;
  }

  .app-shell .modal-card h3 {
    font-size: 36px;
  }

  .app-shell .otp-grid {
    gap: 6px;
  }

  .app-shell .otp-grid input {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-shell * {
    animation: none !important;
    transition: none !important;
  }
}