:root {
  --bg: #f7f9fb;
  --bg-strong: #eef3f7;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-dark: #0f1722;
  --line: rgba(15, 23, 34, 0.12);
  --line-strong: rgba(15, 23, 34, 0.2);
  --text: #0f1722;
  --muted: #4a5565;
  --brand: #0f8c82;
  --brand-strong: #2563eb;
  --accent: #2563eb;
  --danger: #b42318;
  --success: #0f8c82;
  --shadow: 0 16px 40px rgba(15, 23, 34, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --page-width: 1320px;
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 26%),
    radial-gradient(circle at top right, rgba(15, 140, 130, 0.05), transparent 24%),
    linear-gradient(180deg, #fbfcfe 0%, var(--bg) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 2vw, 2rem);
  backdrop-filter: blur(12px);
  background: rgba(251, 252, 254, 0.84);
  border-bottom: 1px solid rgba(233, 238, 242, 0.7);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  display: block;
  width: auto;
  height: 24px;
  flex: 0 0 auto;
}

.brand-lockup {
  display: flex;
  align-items: center;
}

.brand-lockup strong {
  font-family: var(--font-sans);
  font-size: 1.62rem;
  font-weight: 800;
  letter-spacing: -0.055em;
}

.site-nav,
.site-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.user-pill-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--surface-dark);
  color: #fff;
  font-weight: 700;
}

.user-pill-avatar-image {
  object-fit: cover;
  background: rgba(255, 255, 255, 0.65);
}

.user-pill strong,
.user-pill span {
  display: block;
}

.user-pill strong {
  font-size: 0.86rem;
}

.user-pill span {
  font-size: 0.74rem;
  color: var(--muted);
}

.page {
  width: min(var(--page-width), calc(100vw - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
  flex: 1;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 1.25rem;
  padding: 1.4rem 0 1.8rem;
}

.hero-copy,
.hero-panel,
.live-strip,
.billing-card,
.auth-card,
.chart-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: clamp(1.5rem, 3vw, 3rem);
}

.hero-copy h1,
.auth-hero h1,
.section-heading h1,
.section-heading h2,
.content-hero h1,
.content-card h2 {
  margin: 0.2rem 0 0.8rem;
  line-height: 1.02;
  font-family: var(--font-sans);
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  font-size: clamp(2rem, 6vw, 5rem);
  line-height: 0.96;
}

.hero-text,
.auth-hero p,
.muted-copy,
.billing-card p,
.auth-card p,
.content-card p,
.content-intro,
.site-footer p {
  color: var(--muted);
  line-height: 1.6;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.35rem;
  color: var(--brand);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
}

.hero-actions,
.billing-grid,
.feature-list,
.detail-list,
.footer-links,
.site-footer-inner {
  display: flex;
}

.inline-link {
  color: var(--brand-strong);
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.hero-actions {
  gap: 0.75rem;
  margin-top: 1.3rem;
}

.hero-panel {
  padding: 1rem;
  display: grid;
  gap: 0.9rem;
  background:
    linear-gradient(160deg, rgba(37, 99, 235, 0.06), rgba(255, 255, 255, 0.94)),
    var(--surface);
}

.metric-card {
  padding: 1.05rem 1.15rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
}

.metric-card span {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.metric-card strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 1.15rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

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

.button-primary {
  color: #ffffff;
  background: var(--surface-dark);
}

.button-secondary {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.button-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--line);
}

.button-wide {
  width: 100%;
}

.plan-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-chip-free {
  background: rgba(74, 85, 101, 0.1);
  color: var(--muted);
}

.plan-chip-pro {
  background: rgba(15, 140, 130, 0.12);
  color: var(--success);
}

.live-strip {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 1rem;
  padding: 1.35rem 1.45rem;
  margin-bottom: 1.15rem;
}

.live-strip-copy {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.live-strip-copy strong {
  max-width: 26ch;
  font-size: 1.1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.live-metadata {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem 1rem;
  margin: 0;
  max-width: none;
}

.live-metadata div {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  min-width: 0;
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 23, 34, 0.08);
  background: rgba(255, 255, 255, 0.64);
}

.live-metadata dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
}

.live-metadata dd {
  display: flex;
  align-items: center;
  margin: 0;
  min-height: 2.75rem;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.3;
}

.live-metadata-control dd {
  display: flex;
  align-items: center;
}

.live-metadata-control select {
  width: 100%;
  min-width: 0;
  min-height: 2.75rem;
  padding: 0.62rem 0.88rem;
  font: inherit;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.9);
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin: 1.3rem 0 0.8rem;
}

.section-heading h1,
.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin: 0;
}

.section-subheading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.25rem;
}

.chart-caption {
  margin: 0;
}

.legend-inline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.legend-inline span {
  display: inline-flex;
  align-items: center;
}

.legend-line {
  display: inline-block;
  width: 1.6rem;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.legend-past {
  border-top: 2px solid var(--surface-dark);
}

.legend-forecast {
  border-top: 2px dashed var(--accent);
}

.legend-now {
  width: auto;
  margin-right: 0.45rem;
}

.legend-now::before {
  content: "";
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  vertical-align: -0.08em;
  background: #fffaf0;
  border: 2px solid #d97706;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.chart-grid-loading .chart-card-skeleton {
  pointer-events: none;
}

.chart-card {
  position: relative;
  overflow: hidden;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chart-card-skeleton {
  gap: 0.9rem;
}

.skeleton-line,
.skeleton-block {
  position: relative;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(99, 88, 75, 0.12);
}

.skeleton-line::after,
.skeleton-block::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.78), transparent);
  animation: shimmer 1.5s infinite;
}

.skeleton-title {
  width: 42%;
  height: 1.1rem;
}

.skeleton-price {
  width: 36%;
  height: 1rem;
}

.skeleton-line {
  width: 64%;
  height: 0.9rem;
}

.skeleton-block {
  width: 100%;
  height: 220px;
  border-radius: 1rem;
}

.chart-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3), transparent 30%);
  pointer-events: none;
}

.chart-card-header,
.chart-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.chart-title-wrap strong {
  display: block;
  font-size: 1.15rem;
}

.chart-title-wrap span,
.chart-caption,
.chart-card-footer span,
.auth-footnote {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.price-value {
  font-size: 1.15rem;
}

.price-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem 1rem;
  align-items: end;
}

.price-block {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.price-block-forecast {
  align-items: flex-end;
  text-align: right;
}

.forecast-value-line {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.price-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.delta-up {
  color: var(--success);
}

.delta-down {
  color: var(--danger);
}

@media (max-width: 640px) {
  .price-summary {
    grid-template-columns: 1fr;
  }

  .price-block-forecast,
  .forecast-value-line {
    align-items: flex-start;
    justify-content: flex-start;
    text-align: left;
  }

  .chart-marker-rail {
    display: none;
  }
}

.chart-svg {
  width: 100%;
  height: 220px;
  border-radius: 1rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 249, 251, 0.84)),
    repeating-linear-gradient(
      to bottom,
      transparent,
      transparent 36px,
      rgba(15, 23, 34, 0.035) 36px,
      rgba(15, 23, 34, 0.035) 37px
    );
  border: 1px solid rgba(15, 23, 34, 0.06);
}

.chart-frame {
  display: grid;
  gap: 0.45rem;
}

.chart-marker-rail {
  position: relative;
  min-height: 1.45rem;
}

.chart-marker {
  position: absolute;
  top: 0;
  transform: translateX(-10%);
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 34, 0.14);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.empty-state {
  padding: 2rem;
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--line-strong);
  color: var(--muted);
}

.notice {
  margin: 0.8rem 0 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.notice-success {
  background: rgba(20, 125, 100, 0.1);
  border-color: rgba(20, 125, 100, 0.16);
  color: var(--success);
}

.notice-error {
  background: rgba(180, 35, 24, 0.1);
  border-color: rgba(180, 35, 24, 0.16);
  color: var(--danger);
}

.notice-hidden {
  display: none;
}

.notice.notice-hidden {
  display: none;
}

.launch-note {
  margin-top: 1.1rem;
}

.launch-note-card,
.content-hero,
.content-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.launch-note-card {
  padding: 1rem 1.2rem;
}

.launch-note-card p {
  margin: 0;
  line-height: 1.55;
}

.billing-page,
.auth-layout {
  padding-top: 2.6rem;
}

.billing-grid {
  gap: 1rem;
  align-items: stretch;
}

.billing-card,
.auth-card {
  flex: 1;
  padding: 1.5rem;
}

.billing-card-accent {
  background:
    linear-gradient(150deg, rgba(37, 99, 235, 0.06), rgba(255, 255, 255, 0.94)),
    var(--surface-strong);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 23, 34, 0.34);
}

.modal-backdrop.notice-hidden {
  display: none;
}

.modal-card {
  width: min(32rem, calc(100vw - 2rem));
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.modal-card h2 {
  margin: 0.25rem 0 0.75rem;
}

.modal-copy {
  margin: 0 0 0.75rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

.disclosure-block {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(15, 23, 34, 0.08);
}

.stacked-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.billing-state-row {
  margin: 0.5rem 0 1.2rem;
}

.detail-list {
  flex-direction: column;
  gap: 0.95rem;
  margin: 1rem 0 0;
}

.detail-list div {
  padding-top: 0.85rem;
  border-top: 1px solid rgba(15, 23, 34, 0.08);
}

.detail-list dt {
  margin-bottom: 0.2rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.01em;
}

.detail-list dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
}

.price-mark {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  flex-wrap: wrap;
  font-family: var(--font-sans);
  letter-spacing: -0.03em;
}

.price-panel {
  margin: 0.55rem 0 1.15rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 23, 34, 0.08);
  background: rgba(255, 255, 255, 0.72);
}

.price-kicker {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price-mark-amount {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text);
}

.price-mark-unit {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--muted);
}

.feature-list {
  margin: 0 0 1.2rem;
  padding: 0;
  list-style: none;
  flex-direction: column;
  gap: 0.7rem;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

.feature-list li {
  position: relative;
  padding-left: 1.3rem;
}

.feature-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--brand);
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 1rem;
  align-items: center;
  min-height: calc(100vh - 6rem);
}

.auth-hero {
  padding: 1rem;
}

.auth-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  max-width: 11ch;
}

.content-page {
  padding-top: 2.2rem;
}

.content-hero {
  padding: clamp(1.5rem, 3vw, 2.4rem);
  margin-bottom: 0.9rem;
}

.content-hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.8rem);
  max-width: 12ch;
}

.content-meta {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.content-stack {
  display: grid;
  gap: 0.9rem;
}

.content-card {
  padding: 1.25rem 1.35rem;
}

.content-card h2 {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
}

.content-card p:last-child {
  margin-bottom: 0;
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid rgba(233, 238, 242, 0.9);
  background: rgba(251, 252, 254, 0.84);
  backdrop-filter: blur(12px);
}

.site-footer-inner {
  width: min(var(--page-width), calc(100vw - 2rem));
  margin: 0 auto;
  padding: 1.1rem 0 1.4rem;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-copy {
  max-width: 48ch;
}

.footer-copy strong {
  display: block;
  margin-bottom: 0.3rem;
}

.footer-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem 1rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 980px) {
  .hero,
  .auth-layout,
  .billing-grid,
  .chart-grid,
  .live-strip,
  .site-footer-inner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand brand"
      "nav actions";
    align-items: center;
    gap: 0.8rem 1rem;
  }

  .brand {
    grid-area: brand;
  }

  .user-pill {
    display: none;
  }

  .site-nav {
    grid-area: nav;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-left: 0.3rem;
  }

  .site-actions {
    grid-area: actions;
    justify-content: flex-end;
    flex-wrap: nowrap;
    gap: 0.7rem;
  }

  .site-actions .button {
    min-height: 2.5rem;
    padding: 0.62rem 1rem;
  }

  .site-actions .plan-chip {
    flex: 0 0 auto;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .section-heading {
    gap: 0.8rem;
  }

  .section-subheading,
  .chart-card-header,
  .chart-card-footer {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .live-metadata {
    grid-template-columns: 1fr;
  }

  .modal-actions {
    flex-direction: column;
  }

  .billing-page,
  .auth-layout,
  .content-page {
    padding-top: 2rem;
  }
}