:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #eef4ff;
  --text: #142033;
  --muted: #5e6b7d;
  --line: #dbe4f0;
  --brand: #1b66f2;
  --brand-dark: #0f48b5;
  --accent: #f4b400;
  --good: #0d8f5f;
  --warn: #b56b00;
  --shadow: 0 18px 45px rgba(20, 32, 51, .08);
  --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #e6f0ff 0, transparent 35rem), var(--bg);
  color: var(--text);
  line-height: 1.55;
}
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem max(1rem, calc((100vw - 1160px) / 2));
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; text-decoration: none; font-size: 1.1rem; }
.brand-mark { display:grid; place-items:center; width: 34px; height: 34px; border-radius: 12px; background: var(--brand); color: #fff; }
.site-nav { display: flex; align-items: center; gap: .25rem; }
.site-nav a,
.nav-dropdown summary {
  text-decoration: none;
  padding: .55rem .75rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 650;
  font-size: .93rem;
  cursor: pointer;
  list-style: none;
}
.site-nav a:hover,
.site-nav a.active,
.nav-dropdown[open] summary,
.nav-dropdown.active summary {
  color: var(--brand-dark);
  background: var(--surface-2);
}
.nav-dropdown { position: relative; }
.nav-dropdown summary { display: inline-flex; align-items: center; gap: .35rem; user-select: none; }
.nav-dropdown summary::-webkit-details-marker { display: none; }
.nav-dropdown summary::after { content: "▾"; font-size: .72rem; transform: translateY(.05rem); }
.nav-dropdown[open] summary::after { content: "▴"; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + .55rem);
  right: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: .2rem;
  width: min(520px, calc(100vw - 2rem));
  max-height: min(68vh, 520px);
  overflow: auto;
  padding: .65rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .62rem .7rem;
  border-radius: 12px;
  color: var(--text);
  font-size: .9rem;
  white-space: nowrap;
}
.dropdown-menu a:hover { background: var(--surface-2); color: var(--brand-dark); }
.nav-toggle { display:none; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: .55rem .8rem; font-weight: 750; }
main { width: min(1160px, calc(100% - 2rem)); margin: 0 auto; }
.hero { display:grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .72fr); gap: 1rem; align-items: start; padding: 1rem 0 .45rem; }
.hero-card, .panel, .tool-panel { background: rgba(255,255,255,.93); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-card { padding: clamp(1rem, 2.2vw, 1.65rem); }
.eyebrow { color: var(--brand-dark); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; margin: 0 0 .5rem; }
h1 { font-size: clamp(2rem, 4.4vw, 3.65rem); line-height: .98; letter-spacing: -.06em; margin: 0 0 .75rem; }
h2 { font-size: clamp(1.55rem, 3vw, 2.25rem); line-height: 1.05; letter-spacing: -.035em; margin: 0 0 .7rem; }
h3 { margin: 0 0 .45rem; }
p { color: var(--muted); margin: .15rem 0 .85rem; }
.hero-actions { display:flex; gap:.7rem; flex-wrap: wrap; margin-top: .9rem; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:.4rem; border: 0; border-radius: 999px; padding: .85rem 1.1rem; font-weight: 800; text-decoration: none; background: var(--brand); color:#fff; cursor:pointer; }
.button.secondary { background: var(--surface-2); color: var(--brand-dark); }
.button.ghost { background: transparent; color: var(--brand-dark); border:1px solid var(--line); }
.live-panel { padding: 1rem 1.1rem; display:flex; flex-direction:column; justify-content:space-between; }
.big-time { font-variant-numeric: tabular-nums; font-size: clamp(2.35rem, 5.4vw, 4.1rem); font-weight: 900; letter-spacing: -.08em; line-height: 1; margin: .45rem 0; }
.time-date { color: var(--muted); font-weight: 650; }
.pill-row { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1rem; }
.pill { display:inline-flex; padding:.45rem .7rem; background: var(--surface-2); color: var(--brand-dark); border-radius: 999px; font-weight: 750; font-size:.88rem; }
.search-box { margin-top:.85rem; display:flex; gap:.7rem; align-items:center; background: #fff; border:1px solid var(--line); border-radius: 16px; padding: .5rem; }
.search-box input { flex:1; border:0; outline:0; padding:.75rem .85rem; font: inherit; min-width: 0; }
.section { padding: 1.35rem 0; }
.section-heading { max-width: 760px; margin-bottom: 1rem; }
.city-grid, .tools-grid, .ideas-grid, .info-grid { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: .9rem; }
.city-card, .tool-card, .idea-card, .info-card { background: var(--surface); border:1px solid var(--line); border-radius: 18px; padding: 1rem; box-shadow: 0 10px 30px rgba(20, 32, 51, .045); }
.city-card { display:flex; flex-direction:column; gap:.75rem; }
.city-card-link { display:flex; align-items:center; gap:.75rem; text-decoration:none; }
.flag { font-size: 1.7rem; width: 2rem; text-align:center; }
.city-card strong { display:block; font-size: 1.08rem; }
.city-card small, .city-meta { color: var(--muted); }
.city-time { font-size: 2rem; font-weight: 900; letter-spacing: -.045em; font-variant-numeric: tabular-nums; }
.city-meta { font-size:.93rem; }
.tool-card { text-decoration:none; display:block; transition: transform .15s ease, box-shadow .15s ease; }
.tool-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.tool-card .icon { display:grid; place-items:center; width: 42px; height: 42px; border-radius: 14px; background: var(--surface-2); color: var(--brand-dark); font-size:1.3rem; margin-bottom:.8rem; }
.panel { padding: clamp(1rem, 2.4vw, 1.5rem); }
.clock-hero { display:grid; grid-template-columns: minmax(0, .9fr) minmax(280px, 1fr); gap: 1rem; align-items: start; padding: 1rem 0 .45rem; }
.clock-face { padding: clamp(1.05rem, 2.4vw, 1.6rem); background: linear-gradient(135deg, #10274e, #1b66f2); color:#fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.clock-face p, .clock-face .time-date { color: rgba(255,255,255,.78); }
.clock-face .big-time { font-size: clamp(2.95rem, 7vw, 5.4rem); }
.stats-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:.8rem; margin-top: 1rem; }
.stat { background: rgba(255,255,255,.11); border:1px solid rgba(255,255,255,.25); border-radius: 16px; padding: .9rem; }
.stat span { display:block; color: rgba(255,255,255,.72); font-size:.83rem; }
.stat strong { display:block; font-size:1.12rem; }
.tool-panel { padding: 1rem; }
.form-grid { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(240px, .9fr); gap: .75rem; align-items: stretch; }
label { display:block; font-weight: 800; margin-bottom:.35rem; }
select, input[type="datetime-local"], input[type="time"], input[type="text"] { width:100%; border:1px solid var(--line); border-radius: 14px; padding:.85rem .9rem; font: inherit; background:#fff; color: var(--text); }
.result-box { margin-top:1rem; border-radius: 18px; background: var(--surface-2); padding: 1rem; border: 1px solid #cfe0ff; }
.result-main { font-size: clamp(1.6rem, 4vw, 3rem); font-weight:900; letter-spacing:-.05em; margin: 0; color: var(--text); }
.result-details { margin: .25rem 0 0; }
.comparison-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:.9rem; margin-top:1rem; }
.compare-card { background:#fff; border:1px solid var(--line); border-radius:16px; padding:1rem; }
.compare-card strong { display:block; }
.hour-table { width:100%; border-collapse: collapse; margin-top:1rem; overflow:hidden; border-radius:16px; }
.hour-table th, .hour-table td { text-align:left; padding:.8rem; border-bottom:1px solid var(--line); }
.hour-table th { background: var(--surface-2); color: var(--brand-dark); }
.hour-table tr.good td { background: rgba(13,143,95,.08); }
.hour-table tr.ok td { background: rgba(244,180,0,.08); }
.badge { display:inline-flex; align-items:center; border-radius:999px; padding:.3rem .55rem; font-size:.8rem; font-weight:850; background: var(--surface-2); color: var(--brand-dark); }
.badge.good { background: rgba(13,143,95,.12); color: var(--good); }
.badge.warn { background: rgba(181,107,0,.12); color: var(--warn); }
.content-card { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: clamp(1.05rem, 2.5vw, 1.45rem); margin: .75rem 0; }
.content-card ul { color: var(--muted); }
.ideas-section { position: relative; padding: 1.55rem; margin: 1.35rem 0 0; border: 1px solid #f2de7a; border-radius: 26px; background: linear-gradient(180deg, #fff8cf 0%, #fff2ad 100%); box-shadow: 0 12px 30px rgba(169, 131, 0, .11); overflow: hidden; }
.idea-card h3 { font-size:1rem; margin-top: .8rem; }
.idea-link { display:inline-flex; align-items:center; gap:.45rem; margin-top:.45rem; padding: .62rem .92rem; border-radius: 999px; font-weight:850; color: var(--brand-dark); text-decoration:none; background:#fffdf2; border:1px solid #f0d76a; box-shadow: 0 6px 16px rgba(146,106,0,.08); }
.idea-link:hover { text-decoration: underline; }
.affiliate-note { font-size:.92rem; margin-top:1rem; padding:.8rem 1rem; border:1px dashed #efcf57; border-radius:14px; background: rgba(255,255,255,.55); }

.ideas-section::before {
  content: "💡";
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  font-size: 2rem;
  opacity: .9;
}
.ideas-section .section-heading { max-width: 820px; margin-bottom: 1.15rem; }
.ideas-section .eyebrow { color: #8a5a00; }
.ideas-grid { gap: 1rem; }
.idea-card {
  position: relative;
  background: rgba(255,255,255,.9);
  border:1px solid #f0d76a;
  border-radius: 18px;
  padding: 1rem;
  box-shadow: 0 10px 24px rgba(146,106,0,.08);
}
.idea-card::before {
  content: attr(data-emoji);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: #fff3bf;
  box-shadow: inset 0 0 0 1px rgba(138,90,0,.08);
  font-size: 1.3rem;
}
.idea-link:hover { text-decoration: none; transform: translateY(-1px); }
.idea-link::after { content: "→"; }
.planner-note {
  display:flex;
  align-items:center;
  justify-content:flex-start;
  min-height:100%;
  font-size:.95rem;
}
@media (min-width: 901px) {
  .hero + .section,
  .clock-hero + .section { padding-top: .55rem; }
}
.site-footer { width:min(1160px, calc(100% - 2rem)); margin:2rem auto 0; padding: 1.3rem 0 2rem; border-top:1px solid var(--line); display:grid; grid-template-columns: 1fr auto; gap: 1rem; color: var(--muted); }
.site-footer nav { display:flex; flex-wrap:wrap; gap:.75rem; justify-content:flex-end; }
.site-footer a { color: var(--muted); }
.footer-note { grid-column: 1 / -1; margin: 0; font-size:.88rem; }
.notice { display:block; width:100%; border-left: 4px solid var(--brand); background: var(--surface-2); padding: .9rem 1rem; border-radius: 14px; color: var(--muted); line-height: 1.45; }
.breadcrumb { color: var(--muted); font-size:.9rem; margin: 1rem 0 0; }
.breadcrumb a { color: var(--brand-dark); text-decoration:none; }
.hidden { display:none !important; }
@media (max-width: 900px) {
  .hero, .clock-hero { grid-template-columns: 1fr; }
  .city-grid, .tools-grid, .ideas-grid, .info-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .form-grid { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer nav { justify-content:flex-start; }
}
@media (max-width: 720px) {
  .site-header { align-items:flex-start; }
  .nav-toggle { display:inline-flex; }
  .site-nav { display:none; position:absolute; left:1rem; right:1rem; top:4.2rem; padding:.6rem; flex-direction:column; align-items:stretch; background:#fff; border:1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
  .site-nav.open { display:flex; }
  .site-nav a, .nav-dropdown summary { border-radius: 12px; }
  .nav-dropdown { width: 100%; }
  .nav-dropdown summary { width: 100%; justify-content: space-between; }
  .dropdown-menu {
    position: static;
    width: 100%;
    max-height: none;
    grid-template-columns: 1fr;
    margin-top: .35rem;
    padding: .45rem;
    box-shadow: none;
    background: var(--surface-2);
  }
  .dropdown-menu a { background: #fff; }
  main { width: min(100% - 1rem, 1160px); }
  .hero { padding-top:.8rem; }
  .ideas-section { padding: 1.1rem; margin-top: 1rem; }
  .ideas-section::before { top: .75rem; right: .9rem; font-size: 1.6rem; }
  h1 { font-size: clamp(2.1rem, 13vw, 3.4rem); }
  .city-grid, .tools-grid, .ideas-grid, .info-grid, .comparison-grid, .stats-grid { grid-template-columns: 1fr; }
  .search-box { flex-direction:column; align-items:stretch; }
  .button { width:100%; }
  .big-time { font-size: 3rem; }
  .clock-face .big-time { font-size: 3.75rem; }
  .hour-table { font-size:.88rem; }
  .hour-table th, .hour-table td { padding:.65rem .5rem; }
}