:root {
  --bg: #f4f3ee;
  --surface: #ffffff;
  --surface-muted: #f2f2ec;
  --surface-soft: #faf9f6;
  --ink: #16181d;
  --ink-muted: #6b7280;
  --line: #d8dcd2;
  --line-strong: #b9c0b2;
  --accent: #1d4f45;
  --accent-soft: #e7f0ed;
  --shadow-soft: 0 10px 30px rgba(17, 24, 39, 0.05);
  --shadow-card: 0 18px 40px rgba(17, 24, 39, 0.06);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-body: "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(29, 79, 69, 0.04), transparent 30%),
    linear-gradient(180deg, #f8f7f2 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: var(--font-body);
}

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

button,
input,
select {
  font: inherit;
}

.backdrop-gradient,
.backdrop-grid {
  display: none;
}

.topbar,
main {
  position: relative;
}

.topbar {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 0.8rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 0.96rem;
  font-weight: 700;
}

.brand-copy span {
  color: var(--ink-muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.topbar-nav a {
  color: var(--ink-muted);
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
}

.topbar-nav a.active,
.topbar-nav a:hover,
.topbar-nav a:focus-visible,
.brand:hover,
.brand:focus-visible {
  color: var(--ink);
  background: var(--surface-muted);
}

main {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

section + section {
  margin-top: 1.5rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: var(--ink-muted);
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: var(--ink);
}

.page-intro,
.module-card,
.tool-link-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.page-intro {
  padding: 1.75rem;
}

.page-intro h1,
.section-heading h2,
.comparison-block h3,
.tool-link-card h2,
.clock-card h3,
.calendar-card h3,
.result-callout h3 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-family: var(--font-display);
}

.page-intro h1 {
  font-size: clamp(2.35rem, 5vw, 4.4rem);
  line-height: 0.98;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-body,
.section-heading p,
.status-message,
.field span,
.calendar-meta,
.clock-zone-id,
.badge,
.result-panel,
.timezone-option-meta,
.tool-link-card p,
.empty-state,
.result-copy {
  color: var(--ink-muted);
}

.hero-body {
  max-width: 44rem;
  margin: 0.8rem 0 0;
  font-size: 1.02rem;
  line-height: 1.65;
}

.home-main {
  padding-top: 2.5rem;
}

.home-intro {
  padding: 2.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 249, 246, 0.96));
  box-shadow: var(--shadow-card);
}

.home-intro .hero-body {
  max-width: 34rem;
}

.hero,
.tool-hero {
  display: block;
}

.hero-copy,
.hero-panel {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.hero-panel,
.hero-chip-row,
.support-copy,
.local-summary,
.insight-strip {
  display: none;
}

.tool-directory-grid,
.clock-grid,
.calendar-grid,
.result-grid,
.quick-picks,
.comparison-columns,
.field-row,
.stacked-form,
.toolbar,
.action-row {
  display: grid;
  gap: 1rem;
}

.tool-directory-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tool-directory-grid-home {
  margin-top: 1.25rem;
}

.tool-link-card {
  padding: 1.6rem;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  box-shadow: var(--shadow-card);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.tool-link-card:hover,
.tool-link-card:focus-visible {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 48px rgba(17, 24, 39, 0.08);
}

.tool-link-kicker {
  display: inline-flex;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tool-link-card h2 {
  margin-top: 0.9rem;
  font-size: 1.65rem;
}

.tool-link-card p {
  margin: 0.7rem 0 0;
  line-height: 1.65;
}

.tool-link-arrow {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--accent);
  font-weight: 600;
}

.badge,
.chip,
.pill-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  font-size: 0.82rem;
}

.module-card {
  padding: 1.5rem;
}

.section-heading {
  margin-bottom: 1.1rem;
}

.section-heading h2 {
  font-size: clamp(1.65rem, 3vw, 2.2rem);
}

.section-heading p {
  margin: 0.65rem 0 0;
  line-height: 1.6;
}

.toolbar {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: end;
}

.toolbar-single {
  grid-template-columns: minmax(0, 1fr) auto;
}

.stacked-form {
  gap: 1rem;
}

.comparison-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.comparison-block {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: var(--surface-muted);
  border: 1px solid var(--line);
}

.comparison-block h3 {
  margin-bottom: 0.85rem;
  font-size: 1.15rem;
}

.field-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  font-size: 0.9rem;
}

.field input,
.field select {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.timezone-picker {
  margin-top: 0.35rem;
  max-height: 17rem;
  overflow-y: auto;
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.timezone-option {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 0.75rem 0.8rem;
  border-radius: 0.85rem;
  display: grid;
  gap: 0.22rem;
  text-align: left;
  cursor: pointer;
}

.timezone-option:hover,
.timezone-option.is-active {
  background: var(--surface-muted);
}

.timezone-match {
  background: var(--accent-soft);
  color: inherit;
  padding: 0 0.08rem;
  border-radius: 0.2rem;
}

.field input:focus-visible,
.field select:focus-visible,
.button:focus-visible,
.pill-button:focus-visible,
.icon-button:focus-visible {
  outline: 2px solid rgba(29, 79, 69, 0.22);
  outline-offset: 2px;
}

.button,
.pill-button,
.icon-button {
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button,
.pill-button,
.icon-button {
  cursor: pointer;
}

.button {
  min-height: 3.25rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button-primary {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #23262d;
}

.button-secondary,
.pill-button,
.icon-button {
  background: var(--surface);
  color: var(--ink);
}

.button-secondary:hover,
.button-secondary:focus-visible,
.pill-button:hover,
.pill-button:focus-visible,
.icon-button:hover,
.icon-button:focus-visible {
  background: var(--surface-muted);
}

.action-row {
  grid-template-columns: repeat(2, auto);
  justify-content: start;
}

.quick-picks {
  grid-template-columns: repeat(auto-fit, minmax(120px, max-content));
  margin-top: 1rem;
}

.status-message {
  margin: 1rem 0 0;
  line-height: 1.6;
}

.clock-grid,
.calendar-grid {
  margin-top: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.clock-card,
.calendar-card,
.result-callout,
.empty-state {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  border: 1px solid var(--line);
}

.clock-card-head,
.calendar-card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 0.75rem;
}

.clock-zone-id,
.calendar-meta {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.84rem;
}

.clock-time {
  margin: 0.9rem 0 0.2rem;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.clock-date {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.chip-row {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip-positive {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(29, 79, 69, 0.12);
}

.chip-warn {
  color: #8b4c2f;
  background: #f7ece7;
  border-color: #ead6cc;
}

.chip-neutral {
  background: var(--surface);
}

.icon-button {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.result-panel {
  min-height: 11rem;
}

.result-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 1rem;
}

.result-callout strong,
.calendar-value {
  display: block;
  margin-top: 0.35rem;
  color: var(--ink);
}

.result-title {
  margin: 0;
  font-size: 1.2rem;
  color: var(--ink);
}

.result-copy,
.calendar-value {
  line-height: 1.6;
}

.calendar-value {
  margin-top: 0.85rem;
  font-size: 0.98rem;
}

.hidden {
  display: none !important;
}

.site-footer {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto 2.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.footer-links a {
  color: var(--ink-muted);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--ink);
}

.content-card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.content-card + .content-card {
  margin-top: 1.25rem;
}

.content-card h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.content-card h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.prose-stack {
  display: grid;
  gap: 1rem;
}

.prose-stack p,
.prose-stack ul {
  margin: 0;
  color: var(--ink-muted);
  line-height: 1.7;
}

.prose-stack ul {
  padding-left: 1.1rem;
}

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

.contact-card {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-muted);
}

.contact-card p + p {
  margin-top: 0.45rem;
}

.contact-card strong,
.content-note strong {
  color: var(--ink);
}

.content-note {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent);
}

@media (max-width: 980px) {
  .tool-directory-grid,
  .comparison-columns,
  .toolbar,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .topbar {
    align-items: start;
    flex-direction: column;
  }

  main,
  .topbar {
    width: min(100% - 1rem, 1080px);
  }

  .page-intro,
  .module-card,
  .tool-link-card,
  .content-card {
    padding: 1.2rem;
  }

  .field-row,
  .action-row {
    grid-template-columns: 1fr;
  }

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

  .clock-time {
    font-size: 2.1rem;
  }
}