:root {
  --page: #ffffff;
  --soft: #eaf7f4;
  --soft-2: #f6faff;
  --ink: #0f2544;
  --muted: #536477;
  --line: #d8e6ea;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --navy: #082a66;
  --green: #22c55e;
  --teal: #14c8a8;
  --orange: #f97316;
  --yellow: #facc15;
  --cyan: #06b6d4;
  --danger: #dc2626;
  --radius: 8px;
  --shadow: 0 18px 45px rgba(15, 37, 68, 0.12);
  --shadow-soft: 0 8px 22px rgba(15, 37, 68, 0.08);
  --font: Inter, "Plus Jakarta Sans", Manrope, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: "SF Mono", Menlo, Consolas, ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--page);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }
img, svg { display: block; max-width: 100%; }
button, input, select { font: inherit; }
.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 1000;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius);
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(216,230,234,.75);
  backdrop-filter: blur(14px);
}
.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  font-size: 22px;
}
.brand img { width: 34px; height: 34px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 700;
}
.nav-links a { color: var(--ink); }
.nav-links a:hover { color: var(--blue); }
.nav-links a {
  position: relative;
  padding: 8px 10px;
  border-radius: var(--radius);
}
.nav-links a.is-active {
  color: var(--blue);
  background: transparent;
  box-shadow: none;
}
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 2px;
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--yellow), var(--orange));
  opacity: .95;
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--blue-dark); }
.btn.ghost { color: var(--ink); }
.btn.small { min-height: 34px; padding: 7px 10px; font-size: 13px; }
.icon-btn {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.hero {
  padding: 72px 0 52px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 520px;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 14px;
  color: #00a85a;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .12em;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 {
  margin: 0;
  font-size: 56px;
  line-height: 1.04;
  font-weight: 900;
}
.hero h1 span { color: var(--green); }
.lede {
  margin: 20px 0 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 18px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 24px; color: var(--ink); font-size: 13px; font-weight: 800; }
.trust-row span::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 8px; border-radius: 50%; background: var(--green); }

.hero-visual {
  position: relative;
  min-height: 430px;
}
.paper-stack {
  position: absolute;
  inset: 22px 36px 22px 110px;
  border-radius: 26px;
  background: #fff;
  border: 1px solid #dfeaf0;
  box-shadow: var(--shadow);
  transform: rotate(4deg);
}
.paper-stack::before {
  content: "";
  position: absolute;
  inset: 36px 44px;
  border: 3px solid var(--navy);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, var(--navy) 0 20%, transparent 20% 34%, var(--navy) 34% 50%, transparent 50% 100%),
    linear-gradient(var(--navy) 0 18%, transparent 18% 35%, var(--navy) 35% 55%, transparent 55% 100%);
  background-size: 40px 40px, 40px 40px;
  opacity: .95;
}
.floating-card {
  position: absolute;
  z-index: 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
  padding: 16px;
}
.metric-card { left: 0; top: 32px; width: 180px; }
.metric-card b { display: block; font-size: 26px; }
.metric-line {
  height: 38px;
  margin-top: 8px;
  background: linear-gradient(135deg, transparent 42%, var(--blue) 42% 47%, transparent 47% 100%);
  border-bottom: 2px solid #dce9ff;
}
.size-chip { left: 32px; bottom: 42px; width: 250px; display: flex; gap: 12px; align-items: center; }
.chip-icon, .feature-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
}
.blue { background: var(--blue); }
.green { background: var(--green); }
.teal { background: var(--teal); }
.orange { background: var(--orange); }
.yellow { background: #ffb20f; }
.cyan { background: var(--cyan); }
.location-card { right: 0; bottom: 18px; width: 230px; }
.mini-table { display: grid; gap: 8px; margin-top: 10px; font-size: 13px; }
.mini-table div { display: flex; justify-content: space-between; gap: 16px; }

.section { padding: 64px 0; }
.section.soft { background: var(--soft); }
.section.soft2 { background: var(--soft-2); }
.selection-section {
  padding: 16px 0 42px;
  background: var(--soft);
}
.selection-page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
}
.selection-page-head .breadcrumbs {
  margin: 0 0 4px;
}
.selection-page-head h1 {
  margin: 0;
  font-size: 38px;
  line-height: 1.05;
}
.selection-count {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 900;
  white-space: nowrap;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 26px;
}
.section h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.16;
  font-weight: 900;
}
.section-lede {
  margin: 10px 0 0;
  max-width: 640px;
  color: var(--muted);
}
.grid {
  display: grid;
  gap: 18px;
}
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid > *,
.answer-grid > *,
.task-grid > *,
.instant-grid > *,
.size-tile-grid > * {
  min-width: 0;
}
.card, .tool-card, .result-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(15,37,68,.02);
  min-width: 0;
}
.card { padding: 24px; }
.tool-card {
  display: block;
  color: var(--ink);
  padding: 20px;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.tool-card .feature-icon {
  padding: 4px;
  overflow: hidden;
  text-align: center;
  font-size: 13px;
  line-height: 1.05;
  letter-spacing: 0;
  white-space: normal;
}
.tool-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37,99,235,.45);
  box-shadow: var(--shadow-soft);
}
.tool-card h3 { margin: 14px 0 8px; font-size: 18px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 14px; }
.result-card { padding: 18px; }
.result-main {
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 900;
  color: var(--ink);
  line-height: 1.1;
  overflow-wrap: anywhere;
}
.result-sub { color: var(--muted); margin-top: 7px; font-size: 14px; }

.task-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}
.instant-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.instant-card {
  min-height: 156px;
  display: grid;
  align-content: start;
  gap: 7px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(15,37,68,.02);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.instant-card:hover {
  color: var(--ink);
  transform: translateY(-2px);
  border-color: rgba(37,99,235,.45);
  box-shadow: var(--shadow-soft);
}
.instant-card span {
  color: #00a85a;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.instant-card strong {
  font-size: 17px;
  line-height: 1.15;
}
.instant-card b {
  font-size: 24px;
  line-height: 1.08;
  font-weight: 900;
  overflow-wrap: anywhere;
}
.instant-card small {
  color: var(--muted);
  font-size: 13px;
}
.instant-card em {
  align-self: end;
  color: var(--blue);
  font-size: 13px;
  font-style: normal;
  font-weight: 900;
}
.task-card {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(15,37,68,.02);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
  min-width: 0;
}
.task-card:hover {
  color: var(--ink);
  transform: translateY(-2px);
  border-color: rgba(37,99,235,.45);
  box-shadow: var(--shadow-soft);
}
.task-card strong {
  display: block;
  font-size: 19px;
  line-height: 1.16;
  overflow-wrap: anywhere;
}
.task-card span:last-child {
  color: var(--muted);
  font-size: 14px;
}
.task-card .feature-icon {
  padding: 4px;
  overflow: hidden;
  text-align: center;
  font-size: 12px;
  line-height: 1.05;
  letter-spacing: 0;
  white-space: normal;
  word-break: break-word;
}
.answer-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
  min-width: 0;
}
.answer-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 18px;
}
.answer-panel h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.12;
}
.answer-panel p {
  margin: 8px 0 0;
  color: var(--muted);
}
.answer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.answer-value {
  min-height: 144px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft-2);
}
.answer-value span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}
.answer-value strong {
  color: var(--ink);
  font-size: 26px;
  line-height: 1.08;
  font-weight: 900;
  overflow-wrap: anywhere;
}
.answer-value small {
  min-height: 18px;
  color: var(--muted);
  font-size: 12px;
}
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.breadcrumbs {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.breadcrumbs a { color: var(--muted); }
.page-hero {
  padding: 46px 0 36px;
  background: linear-gradient(180deg, #fff 0%, var(--soft-2) 100%);
}
.compact-page-hero {
  padding: 30px 0 24px;
}
.page-hero h1 { font-size: 46px; max-width: 780px; }
.detail-hero {
  padding: 18px 0 34px;
  background: var(--soft);
}
.detail-hero-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 460px);
  gap: 24px;
  align-items: end;
  margin-bottom: 16px;
}
.detail-hero .breadcrumbs {
  margin: 0 0 5px;
}
.detail-hero .eyebrow {
  margin-bottom: 8px;
}
.detail-hero h1 {
  max-width: 780px;
  font-size: clamp(36px, 4vw, 48px);
}
.detail-hero .lede {
  margin-top: 10px;
  max-width: 720px;
  font-size: 17px;
}
.detail-hero .short-answer {
  margin: 0;
  max-width: none;
  padding: 16px;
}
.detail-hero .answer-panel {
  padding: 18px;
}
.detail-hero .answer-panel .eyebrow {
  display: none;
}
.detail-hero .answer-panel-head {
  margin-bottom: 14px;
}
.detail-hero .answer-panel h2 {
  font-size: 24px;
}
.detail-hero .answer-panel p {
  margin-top: 6px;
  font-size: 14px;
}
.detail-hero .inline-actions .btn {
  min-height: 36px;
  padding: 8px 12px;
}
.detail-hero .answer-value {
  min-height: 116px;
  padding: 14px;
}
.detail-hero .answer-value strong {
  font-size: clamp(20px, 2vw, 24px);
}
.detail-hero ~ .section {
  padding: 46px 0;
}
.detail-hero ~ .section .section-head {
  margin-bottom: 18px;
}
.detail-hero ~ .section h2 {
  font-size: 30px;
}
.short-answer {
  margin-top: 22px;
  max-width: 780px;
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--green);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.calculator {
  display: grid;
  gap: 18px;
}
.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.field { display: grid; gap: 7px; }
.field label { font-size: 13px; font-weight: 800; color: var(--ink); }
.field input, .field select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 10px 12px;
  color: var(--ink);
}
.field input:focus, .field select:focus {
  outline: 3px solid rgba(37,99,235,.18);
  border-color: var(--blue);
}
.calc-output {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft-2);
}
.formula-note {
  color: var(--muted);
  font-size: 13px;
  font-family: var(--mono);
}
.basic-calculator {
  grid-template-columns: 1fr;
  align-items: stretch;
  gap: 12px;
  outline: none;
}
.basic-calculator:focus {
  outline: none;
}
.lcd-display {
  position: relative;
  background: linear-gradient(180deg, #1a2540 0%, #0d1422 100%);
  color: #f1f5ff;
  border-radius: 12px;
  padding: 14px 16px 16px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4);
  font-family: var(--mono), 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  text-align: right;
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.lcd-expression {
  font-size: 14px;
  color: rgba(241, 245, 255, 0.55);
  letter-spacing: 0.5px;
  word-break: break-all;
  line-height: 1.35;
  min-height: 19px;
  padding-right: 32px;
}
.lcd-result {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.1;
  margin-top: 4px;
  word-break: break-all;
  transition: color 0.15s ease;
}
.lcd-result-pending {
  color: rgba(241, 245, 255, 0.45);
}
.lcd-copy {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(241, 245, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  padding: 5px 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  transition: background 0.15s ease, color 0.15s ease;
}
.lcd-copy:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #f1f5ff;
}
.calculator-keypad {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.calculator-keypad button {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.calculator-keypad button:hover {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: var(--shadow-soft);
}
.calculator-keypad button[data-basic="equals"] {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}
.calculator-keypad button[data-basic="equals"]:hover {
  background: #1d4ed8;
  border-color: #1d4ed8;
}
.calculator-keypad button[data-basic="clear"] {
  color: #b91c1c;
}
.error { color: var(--danger); font-weight: 800; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.data-table th, .data-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.data-table th {
  background: var(--soft-2);
  font-size: 13px;
  color: var(--ink);
}
.data-table tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }

.directory-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}
.directory-topline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 24px 18px;
  border-bottom: 1px solid var(--line);
}
.directory-topline h3 {
  margin: 0;
  font-size: 26px;
  line-height: 1.1;
}
.directory-count {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}
.directory-controls {
  display: grid;
  gap: 14px;
  padding: 16px 24px 4px;
}
.directory-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.directory-chip-row button,
.quick-calc-actions button {
  min-height: 38px;
  border: 1px solid rgba(216,230,234,.55);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 8px 14px;
  font-weight: 900;
  cursor: pointer;
}
.directory-chip-row button[aria-pressed="true"] {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.directory-select {
  display: grid;
  gap: 7px;
  max-width: 360px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}
.directory-select select {
  min-height: 42px;
  border: 1px solid rgba(216,230,234,.55);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 9px 12px;
}
.compact-directory .directory-topline {
  align-items: center;
  padding: 12px 18px;
}
.compact-directory .directory-topline h3 {
  font-size: 21px;
}
.compact-directory .directory-controls {
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: start;
  gap: 10px;
  padding: 10px 18px;
}
.compact-directory .directory-chip-row {
  flex-wrap: nowrap;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 4px;
}
.compact-directory .directory-chip-row button {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 6px 11px;
}
.compact-directory .directory-select {
  min-width: 0;
  max-width: none;
  gap: 4px;
}
.compact-directory .directory-select select {
  min-height: 38px;
}
.compact-directory .size-tile-grid {
  padding: 12px 18px 18px;
}
.compact-directory .size-tile {
  min-height: 168px;
}
.size-tile-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 24px;
}
.size-tile {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 8px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--soft-2);
  color: var(--ink);
  border: 1px solid var(--line);
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.size-tile:hover {
  color: var(--ink);
  transform: translateY(-2px);
  background: #fff;
  border-color: rgba(37,99,235,.45);
}
.size-tile[hidden] { display: none; }
.tile-kicker {
  display: block;
  min-height: 14px;
  color: #00a85a;
  font-size: 12px;
  line-height: 1.15;
  font-weight: 900;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.size-tile strong {
  display: block;
  max-width: 100%;
  font-size: clamp(24px, 2vw, 34px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  word-break: normal;
}
.tile-rule {
  width: 24px;
  height: 1px;
  background: var(--line);
}
.tile-dim {
  width: max-content;
  max-width: 100%;
  font-size: 18px;
  line-height: 1.15;
  font-weight: 900;
}
.tile-dim-secondary {
  margin-top: -2px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}
.tile-dim[data-copy] {
  position: relative;
  cursor: copy;
  border-radius: 6px;
}
.tile-dim[data-copy]:hover {
  color: var(--blue);
}
.tile-dim[data-copied="true"]::after {
  content: "Copied";
  position: absolute;
  left: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
}
.tile-unit {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}
.social-directory .size-tile strong,
.screen-directory .size-tile strong {
  color: var(--ink);
  font-size: clamp(21px, 1.65vw, 30px);
  line-height: 1.08;
  overflow-wrap: anywhere;
}
.social-directory .tile-dim,
.screen-directory .tile-dim {
  font-size: 17px;
}

.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.faq details + details { margin-top: 10px; }
.faq summary { cursor: pointer; font-weight: 900; }
.faq p { color: var(--muted); margin-bottom: 0; }

.visual-compare {
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  padding: 24px;
}
.paper-rect {
  display: grid;
  place-items: center;
  border: 2px solid var(--blue);
  background: #fff;
  color: var(--ink);
  font-weight: 900;
  box-shadow: var(--shadow-soft);
}

.site-footer {
  padding: 42px 0;
  background: #fff;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
}
.footer-grid h3 { margin: 0 0 10px; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; }
.footer-grid a, .footer-grid p { display: block; margin: 8px 0; color: var(--muted); font-size: 14px; }
.footer-bottom {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

body {
  padding-bottom: 76px;
}
.quick-calc-backdrop {
  display: none !important;
}
.quick-calc-bar {
  position: fixed;
  right: 20px;
  bottom: 18px;
  z-index: 80;
}
.quick-calc-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  padding: 9px;
  border: 1px solid rgba(196, 216, 224, .92);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,252,255,.96)),
    linear-gradient(135deg, rgba(37,99,235,.08), rgba(20,200,168,.08));
  box-shadow: 0 16px 38px rgba(15, 37, 68, .16);
  backdrop-filter: blur(14px);
}
.quick-calc-inner::before { content: none; }
.tool-icon-button {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(216,230,234,.95);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, #f8fbff);
  color: var(--tool-color, var(--blue));
  cursor: pointer;
  box-shadow: 0 5px 14px rgba(15, 37, 68, .08);
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease, background .14s ease, color .14s ease;
}
.tool-icon-button:hover,
.tool-icon-button:focus-visible {
  outline: none;
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--tool-color), var(--tool-color-2, var(--tool-color)));
  box-shadow: 0 10px 22px rgba(15, 37, 68, .18);
  transform: translateY(-1px);
}
.tool-icon-button[data-tone="blue"] {
  --tool-color: var(--blue);
  --tool-color-2: #4f8cff;
}
.tool-icon-button[data-tone="green"] {
  --tool-color: var(--green);
  --tool-color-2: var(--teal);
}
.tool-icon-button[data-tone="cyan"] {
  --tool-color: var(--cyan);
  --tool-color-2: var(--blue);
}
.tool-icon-button[data-tone="orange"] {
  --tool-color: var(--orange);
  --tool-color-2: var(--yellow);
}
.tool-icon-button svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.quick-calc-sheet {
  position: fixed;
  right: 20px;
  bottom: 86px;
  width: min(320px, calc(100vw - 28px));
  max-height: calc(100vh - 110px);
  z-index: 90;
  background:
    linear-gradient(180deg, rgba(255,255,255,.99), rgba(249,253,255,.98)),
    linear-gradient(135deg, rgba(37,99,235,.08), rgba(20,200,168,.06));
  border: 1px solid rgba(196, 216, 224, .95);
  border-radius: var(--radius);
  box-shadow: 0 24px 58px rgba(15, 37, 68, .18);
  transform: translateY(10px) scale(.98);
  opacity: 0;
  pointer-events: none;
  transition: transform .2s ease, opacity .2s ease;
  overflow: auto;
  padding: 17px;
}
.quick-calc-sheet::before { content: none; }
body.quick-calc-open .quick-calc-sheet {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}
.quick-calc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  cursor: move;
  user-select: none;
}
.quick-calc-head h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.1;
}
.quick-calc-head .icon-btn,
.panel-close {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  color: var(--ink);
  box-shadow: none;
}
.quick-calc-head .icon-btn:hover,
.quick-calc-head .icon-btn:focus-visible {
  color: var(--blue);
  background: var(--soft-2);
  box-shadow: none;
}
.quick-calc-head .icon-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.quick-mode-field { margin-bottom: 10px; }
.quick-calc-sheet .field input,
.quick-calc-sheet .field select {
  min-height: 38px;
  padding: 8px 10px;
}
.quick-calc-sheet .calc-grid {
  grid-template-columns: 1fr;
  gap: 9px;
}
.quick-calc-sheet .calculator {
  gap: 10px;
}
.quick-calc-sheet .result-card {
  padding: 12px;
}
.quick-calc-sheet .result-main {
  font-size: 24px;
}
.quick-calc-sheet .calculator-keypad {
  gap: 6px;
}
.quick-calc-sheet .calculator-keypad button {
  min-height: 34px;
  font-size: 15px;
}
.floating-filter-panel {
  display: grid;
  gap: 12px;
}
.floating-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.floating-filter-chips button {
  min-height: 32px;
  border: 1px solid rgba(216,230,234,.95);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, #f8fbff);
  color: var(--ink);
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(15, 37, 68, .06);
  transition: transform .14s ease, box-shadow .14s ease, background .14s ease, color .14s ease, border-color .14s ease;
}
.floating-filter-chips button:hover,
.floating-filter-chips button:focus-visible {
  outline: none;
  border-color: rgba(37,99,235,.35);
  box-shadow: 0 8px 16px rgba(15, 37, 68, .1);
  transform: translateY(-1px);
}
.floating-filter-chips button[aria-pressed="true"] {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  border-color: transparent;
  color: #fff;
}

@media (max-width: 940px) {
  .nav-links, .nav-actions .desktop-only { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav-links.is-open {
    display: grid;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    gap: 0;
    padding: 10px 20px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .nav-links.is-open a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-links.is-open a.is-active { padding-left: 10px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 360px; }
  h1 { font-size: 44px; }
  .page-hero h1 { font-size: 38px; }
  .detail-hero-head {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 14px;
  }
  .grid.three, .grid.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .instant-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .task-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .answer-panel-head { display: block; }
  .inline-actions { justify-content: flex-start; margin-top: 14px; }
  .size-tile-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .quick-calc-inner { grid-template-columns: 1fr auto; }
  .quick-calc-actions { grid-column: 1 / -1; justify-content: start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1120px); }
  .hero { padding: 44px 0 36px; }
  h1 { font-size: 36px; }
  .section h2 { font-size: 28px; }
  .lede { font-size: 16px; }
  .detail-hero {
    padding: 14px 0 24px;
  }
  .detail-hero-head {
    margin-bottom: 12px;
  }
  .detail-hero h1 {
    font-size: 34px;
  }
  .detail-hero .lede {
    font-size: 15px;
  }
  .detail-hero .short-answer {
    padding: 14px;
  }
  .detail-hero .answer-panel {
    padding: 14px;
  }
  .detail-hero .answer-panel h2 {
    font-size: 21px;
  }
  .detail-hero .answer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .detail-hero .answer-value {
    padding: 12px;
    gap: 6px;
  }
  .detail-hero .answer-value strong {
    font-size: clamp(18px, 5.4vw, 21px);
  }
  .detail-hero .answer-value .btn.small {
    min-height: 30px;
    padding: 5px 8px;
  }
  .detail-hero ~ .section {
    padding: 36px 0;
  }
  .detail-hero ~ .section h2 {
    font-size: 27px;
  }
  .section-head { display: block; }
  .grid.two, .grid.three, .grid.four, .calc-grid, .task-grid, .answer-grid, .instant-grid { grid-template-columns: 1fr; }
  .instant-card { min-height: 0; }
  .instant-card b { font-size: 22px; }
  .answer-panel { padding: 16px; }
  .answer-value { min-height: 0; }
  .answer-value strong { font-size: 23px; }
  .hero-visual { min-height: 300px; }
  .paper-stack { inset: 20px 24px 30px 68px; }
  .metric-card { width: 155px; }
  .size-chip { left: 0; bottom: 18px; width: 225px; }
  .location-card { display: none; }
  .size-tile-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
    padding: 14px;
  }
  .size-tile {
    min-height: 172px;
    padding: 14px;
  }
  .size-tile strong { font-size: clamp(27px, 10vw, 34px); }
  .social-directory .size-tile strong,
  .screen-directory .size-tile strong { font-size: clamp(18px, 6.2vw, 25px); }
  .tile-dim { font-size: 17px; }
  .directory-topline {
    display: block;
    padding: 18px 14px 14px;
  }
  .selection-section { padding: 12px 0 34px; }
  .selection-page-head {
    align-items: flex-start;
    margin-bottom: 10px;
  }
  .selection-page-head h1 { font-size: 31px; }
  .selection-count {
    margin-top: 4px;
    margin-bottom: 0;
    padding: 6px 9px;
    font-size: 12px;
  }
  .compact-directory .directory-controls {
    grid-template-columns: 1fr;
    padding: 10px 14px;
  }
  .compact-directory .directory-topline {
    padding: 12px 14px;
  }
  .compact-directory .size-tile-grid {
    padding: 10px 14px 14px;
  }
  .directory-controls { padding: 14px; }
  .directory-chip-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .directory-chip-row button { flex: 0 0 auto; }
  .footer-grid { grid-template-columns: 1fr; }
  body { padding-bottom: 76px; }
  .quick-calc-bar {
    right: 14px;
    bottom: 14px;
  }
  .quick-calc-inner {
    gap: 8px;
  }
  .quick-calc-sheet {
    right: 14px;
    bottom: 76px;
    width: min(320px, calc(100vw - 28px));
    max-height: calc(100vh - 96px);
    transform: translateY(10px) scale(.98);
  }
  body.quick-calc-open .quick-calc-sheet { transform: translateY(0) scale(1); }
}

.bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.bullet-list li {
  position: relative;
  padding: 14px 16px 14px 36px;
  background: rgba(11, 92, 255, 0.04);
  border: 1px solid rgba(11, 92, 255, 0.12);
  border-radius: 10px;
  line-height: 1.55;
  color: #1c2330;
  font-size: 0.96rem;
}
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0B5CFF;
}
.bullet-list li strong {
  color: #0a224a;
  font-weight: 600;
}
.bullet-list li a {
  color: #0B5CFF;
  text-decoration: underline;
}

.verify-notice {
  background: linear-gradient(180deg, #FFF8E1 0%, #FFF2CC 100%);
  border-top: 1px solid #F4C430;
  border-bottom: 1px solid #F4C430;
  padding: 18px 0;
  margin-bottom: 0;
}
.verify-notice .container {
  max-width: 960px;
}
.verify-notice p {
  margin: 0 0 8px 0;
  color: #5a4500;
  line-height: 1.55;
  font-size: 0.95rem;
}
.verify-notice p:last-child {
  margin-bottom: 0;
  font-size: 0.85rem;
}
.verify-notice strong {
  color: #8a5a00;
  font-weight: 700;
}
.verify-notice a {
  color: #8a5a00;
  text-decoration: underline;
}