@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;700;800&display=swap');

:root {
  --bg: #f5f7fb;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: #ffffff;
  --panel-alt: #f9fbff;
  --text: #18202a;
  --muted: #667085;
  --line: #e6ebf2;
  --primary: #1f6fff;
  --primary-strong: #4d8cff;
  --primary-soft: #e8f0ff;
  --primary-border: rgba(31, 111, 255, 0.45);
  --primary-ring: rgba(31, 111, 255, 0.1);
  --primary-shadow: rgba(31, 111, 255, 0.26);
  --page-glow: rgba(31, 111, 255, 0.1);
  --hero-glow: rgba(31, 111, 255, 0.14);
  --success: #0f9f6e;
  --success-soft: #e8f8f1;
  --warning: #c77d00;
  --warning-soft: #fff5e6;
  --danger: #d92d20;
  --danger-soft: #fff0ef;
  --shadow: 0 18px 50px rgba(16, 24, 40, 0.08);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: 'Manrope', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--page-glow), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(15, 159, 110, 0.08), transparent 24%),
    var(--bg);
}

.wrap {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.hero {
  padding: 28px 0 12px;
}

body.is-offline .pwa-bar {
  border-color: rgba(217, 45, 32, 0.18);
  background: rgba(255, 240, 239, 0.92);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #ffffff;
  box-shadow: 0 10px 24px var(--primary-shadow);
  font-size: 18px;
  font-weight: 800;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  letter-spacing: -0.02em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 13px;
}

.brand-offer {
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.8);
  color: var(--muted);
  font-size: 14px;
  backdrop-filter: blur(10px);
}

.app-mode-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.topbar-link {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  font-weight: 700;
}

.topbar-link:hover {
  color: var(--primary);
}

.pwa-bar {
  margin-bottom: 20px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.pwa-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.pwa-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.pwa-chip[data-state='offline'] {
  background: var(--danger-soft);
  color: var(--danger);
}

.pwa-copy {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.pwa-copy[data-tone='success'] {
  color: var(--success);
}

.pwa-copy[data-tone='warning'] {
  color: var(--warning);
}

.pwa-copy[data-tone='danger'] {
  color: var(--danger);
}

.pwa-install {
  padding: 11px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 14px 28px var(--primary-shadow);
}

.pwa-install:hover {
  transform: translateY(-1px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 22px;
  align-items: stretch;
}

.card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.intro {
  padding: 34px;
  position: relative;
  overflow: hidden;
  animation: lift-in 560ms ease both;
}

.intro::after {
  content: '';
  position: absolute;
  right: -40px;
  top: -20px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, var(--hero-glow), transparent 68%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 0.96;
  letter-spacing: -0.045em;
  max-width: 12ch;
}

.lead {
  margin: 18px 0 0;
  font-size: 18px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 56ch;
}

.benefits {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.benefit {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.benefit strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.benefit span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}

.simulator {
  padding: 22px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  animation: lift-in 660ms ease both;
}

.simulator-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.simulator-head h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.simulator-head p {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.mini-step {
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 8px 10px;
  border-radius: 999px;
  white-space: nowrap;
  font-weight: 800;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

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

.field.full {
  grid-column: 1 / -1;
}

label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.why-box {
  margin-top: 8px;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  border-radius: 14px;
  padding: 15px 15px;
  font: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

input:focus,
select:focus {
  border-color: var(--primary-border);
  box-shadow: 0 0 0 4px var(--primary-ring);
  transform: translateY(-1px);
}

.locked-trade {
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.locked-trade strong {
  display: block;
  font-size: 16px;
  margin-bottom: 6px;
}

.locked-trade span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.input-inline {
  position: relative;
}

.input-inline span {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 13px;
  pointer-events: none;
}

.disclosure {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.disclosure:hover {
  color: var(--primary);
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.btn-primary {
  padding: 15px 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 14px 28px var(--primary-shadow);
  min-width: 220px;
  transition: transform 180ms ease, opacity 180ms ease;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn-primary:disabled,
.chip:disabled {
  cursor: wait;
  opacity: 0.7;
}

.ghost-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  max-width: 34ch;
}

.result-caption {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.result-card {
  margin-top: 20px;
  border-radius: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--panel-alt);
  transition: 0.2s ease;
  animation: result-pop 260ms ease both;
}

.result-success {
  background: var(--success-soft);
  border-color: rgba(15, 159, 110, 0.18);
}

.result-warning {
  background: var(--warning-soft);
  border-color: rgba(199, 125, 0, 0.18);
}

.result-danger,
.result-error {
  background: var(--danger-soft);
  border-color: rgba(217, 45, 32, 0.16);
}

.result-pending {
  background: var(--panel-alt);
}

.result-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
}

.result-status,
.result-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.result-tag {
  color: var(--muted);
}

.result-title {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.result-text {
  margin: 8px 0 0;
  color: rgba(24, 32, 42, 0.82);
  line-height: 1.5;
  font-size: 15px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.stat {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 14px;
}

.stat .label,
.meta-stat span {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
  display: block;
}

.stat .value,
.meta-stat strong {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.range-value {
  font-size: 20px;
  line-height: 1.35;
}

.meta-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.meta-stat {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.75);
}

.feedback-shell {
  margin-top: 16px;
}

.feedback {
  padding-top: 14px;
  border-top: 1px dashed rgba(24, 32, 42, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.feedback span {
  font-size: 13px;
  color: var(--muted);
}

.chip {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  font-size: 13px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.chip:hover:not(:disabled) {
  transform: translateY(-1px);
}

.chip.active {
  border-color: var(--primary-border);
  background: var(--primary-soft);
  color: var(--primary);
}

.feedback-status {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.export-actions-disabled {
  opacity: 0.6;
}

.action-chip {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  font-size: 13px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.action-chip:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--primary-border);
  background: var(--primary-soft);
}

.action-chip:disabled {
  cursor: not-allowed;
}

.export-status {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.section {
  padding: 20px 0 42px;
}

.strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.strip-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.strip-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.strip-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 14px;
}

.section-head {
  margin-top: 22px;
}

.section-head h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.testimonials {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quote-card {
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.quote-card p {
  margin: 0 0 12px;
  line-height: 1.6;
  color: rgba(24, 32, 42, 0.84);
}

.quote-card strong {
  font-size: 13px;
  color: var(--muted);
}

.app-shell .wrap {
  width: min(calc(100% - 24px), 780px);
}

.app-shell .hero {
  padding: 18px 0 20px;
}

.app-shell .hero-grid {
  grid-template-columns: 1fr;
  gap: 0;
}

.app-shell .intro,
.app-shell .section {
  display: none;
}

.app-shell .simulator {
  padding: 20px;
}

.app-shell .simulator-head {
  margin-bottom: 14px;
}

.app-shell .topbar {
  margin-bottom: 14px;
}

.app-shell .pill {
  display: none;
}

.app-shell .pwa-bar {
  margin-bottom: 14px;
  padding: 12px 14px;
}

.app-shell .ghost-note {
  max-width: none;
}

.footer-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  line-height: 1.5;
}

@keyframes lift-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes result-pop {
  from {
    opacity: 0;
    transform: scale(0.985) translateY(8px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .benefits,
  .strip,
  .testimonials {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .hero {
    padding-top: 18px;
  }

  .topbar {
    margin-bottom: 18px;
  }

  .intro,
  .simulator,
  .strip-card {
    padding: 20px;
  }

  .form-grid,
  .stats,
  .meta-stats {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }

  .btn-primary {
    width: 100%;
  }

  .actions,
  .topbar,
  .result-top,
  .pwa-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .export-actions {
    flex-direction: column;
    align-items: stretch;
  }
}