@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --bg: #f5f6f2;
  --bg-2: #eceee7;
  --sand: #e8eae1;
  --line: #dadcd2;
  --line-2: #c9ccc0;
  --ink: #14181a;
  --ink-2: #47504f;
  --ink-3: #6d7673;
  --accent: #255d62;
  --accent-d: #1b474b;
  --accent-l: #e2eceb;
  --nav: rgba(12, 17, 25, 0.88);
  --nav-solid: #0c1119;
  --radius: 10px;
  --radius-sm: 6px;
  --max: 1180px;
  --nav-h: 64px;
  --font-h: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-b: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-b);
  font-size: 15px;
  line-height: 1.7;
  padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-h);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }
h2 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1em; color: var(--ink-2); }

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

@media (max-width: 720px) {
  .wrap { padding: 0 18px; }
  body { font-size: 15px; }
}

/* ---------- Navigation ---------- */
.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 200;
  background: var(--nav-solid);
  background: var(--nav);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 6px 24px rgba(8, 12, 18, 0.22);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-h);
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #f6f7f4;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; color: #fff; }

.brand-mark {
  width: 22px; height: 22px;
  border: 1.5px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-mark::before {
  content: '';
  width: 7px; height: 7px;
  background: #8fb6b3;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 14px;
}

.nav-links > a,
.nav-btn {
  font-family: var(--font-b);
  font-size: 0.855rem;
  font-weight: 500;
  color: rgba(240, 244, 242, 0.82);
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  border: 0;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nav-links > a:hover,
.nav-btn:hover { color: #fff; background: rgba(255, 255, 255, 0.1); text-decoration: none; }
.nav-links a:focus-visible,
.nav-btn:focus-visible,
.brand:focus-visible {
  outline: 2px solid #9cc3c0;
  outline-offset: 2px;
}

.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.nav-drop { position: relative; }

.nav-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 320px;
  padding: 10px;
  border-radius: 12px;
  background: #0d131c;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 38px rgba(6, 10, 16, 0.4);
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}
.nav-drop:hover .nav-panel,
.nav-drop:focus-within .nav-panel,
.nav-drop.open .nav-panel {
  display: grid;
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}
.nav-panel a {
  display: block;
  padding: 7px 9px;
  border-radius: var(--radius-sm);
  color: rgba(238, 243, 241, 0.86);
  font-size: 0.82rem;
  white-space: nowrap;
}
.nav-panel a:hover { background: rgba(255, 255, 255, 0.1); color: #fff; text-decoration: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-inner { padding: 0 18px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: var(--font-b);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1;
  padding: 13px 20px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
  text-align: center;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-d); color: #fff; }
.btn-dark { background: var(--ink); color: #f7f8f5; }
.btn-dark:hover { background: #000; color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { background: #fff; border-color: var(--ink-3); }
.btn-light { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-light:hover { background: var(--sand); }
.btn-sm { padding: 9px 14px; min-height: 38px; font-size: 0.82rem; }
.btn-block { width: 100%; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 386px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #dfe2da;
}
.hero-media, .hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 15, 14, 0.78) 0%, rgba(10, 15, 14, 0.55) 46%, rgba(10, 15, 14, 0.18) 74%),
    linear-gradient(0deg, rgba(10, 15, 14, 0.34) 0%, rgba(10, 15, 14, 0) 60%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #cfe0dd;
  margin: 0 0 12px;
  font-weight: 600;
}
.hero h1 {
  color: #fff;
  max-width: 620px;
  margin: 0 0 10px;
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  line-height: 1.16;
}
.hero p {
  color: rgba(238, 242, 239, 0.9);
  max-width: 470px;
  margin: 0 0 18px;
  font-size: 0.92rem;
  line-height: 1.62;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-actions .btn { min-width: 132px; padding: 13px 24px; }
.hero-note {
  margin: 12px 0 0;
  font-size: 0.74rem;
  max-width: 470px;
  line-height: 1.5;
  color: rgba(226, 234, 231, 0.78);
}
.hero-note a { color: #cfe4e1; text-decoration: underline; }

@media (max-width: 720px) {
  .hero { height: 340px; }
  .hero-inner { padding: 0 18px; }
  .hero p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .hero-media img { object-position: center 50%; }
}

/* ---------- Sections ---------- */
[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 400;
  background: #fff;
  color: var(--ink);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
}
.skip:focus { left: 12px; }

.section { padding: 44px 0; }
.section.tight { padding: 34px 0; }
.section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}
.section-head h2 { margin: 0 0 4px; }
.section-head p { margin: 0; font-size: 0.88rem; color: var(--ink-3); max-width: 560px; }
.eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 6px;
}
@media (max-width: 720px) {
  .section { padding: 32px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ---------- Categories ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}
.cat-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  min-height: 76px;
  padding: 11px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.cat-tile:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
}
.cat-tile .ic {
  width: 24px; height: 24px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
  color: var(--accent);
}
.cat-tile:hover .ic { color: #eaf3f2; }

@media (max-width: 900px) { .cat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 640px) { .cat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; } .cat-tile { min-height: 68px; padding: 9px 10px; font-size: 0.72rem; } }

/* ---------- Tool ---------- */
.tool-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
@media (max-width: 940px) { .tool-shell { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.field { margin-bottom: 12px; }
.field label {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 5px;
}
.field input, .field select, .field textarea {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  font-family: var(--font-b);
  font-size: 0.87rem;
  color: var(--ink);
  background: #fbfcf9;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  min-height: 40px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(37, 93, 98, 0.28);
  border-color: var(--accent);
}
.field textarea { min-height: 84px; resize: vertical; line-height: 1.55; }
.hint { font-size: 0.72rem; color: var(--ink-3); margin: 5px 0 0; line-height: 1.5; }

.tool-table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
}
table.data th {
  text-align: left;
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: var(--sand);
  padding: 8px 9px;
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
  font-weight: 700;
}
table.data td {
  padding: 7px 9px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  color: var(--ink-2);
}
table.data tbody tr:hover td { background: #fafbf7; }
table.data input[type="text"], table.data input[type="number"], table.data select {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  font-family: var(--font-b);
  font-size: 0.83rem;
  padding: 6px 8px;
  border: 1px solid var(--line-2);
  border-radius: 5px;
  background: #fff;
  color: var(--ink);
  min-height: 34px;
}
table.data input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
.row-del {
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--ink-3);
  width: 30px; height: 30px;
  border-radius: 5px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.row-del:hover { border-color: #b04a3f; color: #b04a3f; }

.tool-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}
.tool-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.stat {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 13px;
}
.stat span { display: block; font-size: 0.68rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3); font-weight: 700; }
.stat strong { font-family: var(--font-h); font-size: 1.4rem; font-weight: 600; color: var(--ink); line-height: 1.3; }
.stat em { font-style: normal; font-size: 0.8rem; color: var(--accent); font-weight: 600; }

.status {
  margin-top: 10px;
  font-size: 0.8rem;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  display: none;
  border: 1px solid transparent;
}
.status.show { display: block; }
.status.ok { background: var(--accent-l); color: var(--accent-d); border-color: #bdd3d1; }
.status.err { background: #fbebe8; color: #8e3a30; border-color: #eec9c2; }

.save-note {
  font-size: 0.74rem;
  color: var(--ink-3);
  margin: 10px 0 0;
  line-height: 1.55;
}

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 15px 16px;
}
.step .num {
  font-family: var(--font-h);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent-l);
  background: var(--accent-l);
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 9px;
}
.step h3 { font-size: 0.94rem; margin: 0 0 5px; }
.step p { font-size: 0.8rem; margin: 0; line-height: 1.55; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Filters + article cards ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.chip {
  font-family: var(--font-b);
  font-size: 0.79rem;
  font-weight: 600;
  padding: 7px 13px;
  min-height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--ink-2);
  cursor: pointer;
  white-space: nowrap;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

.art-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 940px) { .art-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .art-grid { grid-template-columns: 1fr; } }

.art-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--ink);
  transition: border-color 0.16s ease, transform 0.16s ease;
}
.art-card:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); }
.art-card .thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--sand);
  overflow: hidden;
}
.art-card .thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.art-card .body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.art-card .meta {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 700;
}
.art-card .meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--line-2); }
.art-card h3 { font-size: 0.98rem; margin: 0; line-height: 1.35; }
.art-card p { font-size: 0.79rem; margin: 0; color: var(--ink-3); line-height: 1.55; }
.art-card .go { margin-top: auto; font-size: 0.76rem; font-weight: 700; color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }

.art-card[hidden] { display: none; }

/* ---------- FAQ ---------- */
.faq { max-width: 860px; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 8px;
}
.faq summary {
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-family: var(--font-b);
  font-size: 1.15rem;
  color: var(--accent);
  line-height: 1;
}
.faq details[open] summary::after { content: '–'; }
.faq details > p { margin: 0; padding: 0 16px 15px; font-size: 0.86rem; }

/* ---------- Footer ---------- */
.site-foot {
  background: var(--sand);
  border-top: 1px solid var(--line-2);
  padding: 34px 0 26px;
  margin-top: 20px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 26px;
}
.foot-grid h4 {
  font-family: var(--font-b);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 9px;
  font-weight: 700;
}
.foot-brand h4 {
  font-family: var(--font-h);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 4px;
  font-weight: 600;
}
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 5px; }
.foot-grid li a { font-size: 0.82rem; color: var(--ink-2); }
.foot-grid li a:hover { color: var(--accent); }
.foot-brand p { font-size: 0.82rem; color: var(--ink-3); max-width: 300px; margin-top: 8px; }
.foot-bottom {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--line-2);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.74rem;
  color: var(--ink-3);
}
@media (max-width: 860px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .foot-brand { grid-column: 1 / -1; }
}

/* ---------- Bottom bar + sheet ---------- */
.bottom-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 210;
  display: none;
  background: var(--nav-solid);
  background: var(--nav);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.bb-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.bb-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 54px;
  padding: 6px 2px;
  background: transparent;
  border: 0;
  color: rgba(236, 242, 240, 0.78);
  font-family: var(--font-b);
  font-size: 0.66rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}
.bb-btn i { font-size: 1.15rem; line-height: 1; }
.bb-btn:hover, .bb-btn:focus-visible { color: #fff; background: rgba(255, 255, 255, 0.08); outline: none; }
.bb-btn[aria-expanded="true"] { color: #fff; }

@media (max-width: 860px) {
  .bottom-bar { display: block; }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)); }
  .site-foot { margin-bottom: 0; }
}

.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(8, 12, 16, 0.55);
  opacity: 0;
  transition: opacity 0.2s ease;
  display: none;
}
.sheet-backdrop.open { display: block; opacity: 1; }

.sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 310;
  max-height: 85dvh;
  display: none;
  flex-direction: column;
  background: #0e141c;
  color: #eef2ef;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  transform: translateY(12px);
  transition: transform 0.22s ease;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.sheet.open { display: flex; transform: translateY(0); }
.sheet-grab {
  width: 44px; height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  margin: 9px auto 4px;
  flex: 0 0 auto;
}
.sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 18px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  flex: 0 0 auto;
}
.sheet-head h2 { font-size: 1rem; margin: 0; color: #fff; }
.sheet-close {
  width: 40px; height: 40px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.sheet-close:hover { background: rgba(255, 255, 255, 0.16); }
.sheet-body {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 12px 18px 24px;
  overscroll-behavior: contain;
}
.sheet-cats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.sheet-cats a {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 11px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.07);
  color: #e9efec;
  font-size: 0.8rem;
  min-height: 44px;
}
.sheet-cats a:hover { background: rgba(255, 255, 255, 0.14); text-decoration: none; }
.sheet-arts { display: flex; flex-direction: column; gap: 2px; }
.sheet-arts a {
  display: flex;
  gap: 9px;
  align-items: baseline;
  padding: 9px 4px;
  color: #e9efec;
  font-size: 0.83rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  min-height: 44px;
}
.sheet-arts a:hover { color: #fff; text-decoration: none; background: rgba(255, 255, 255, 0.06); }
.sheet-arts a span { color: #8fb6b3; font-size: 0.7rem; font-weight: 700; flex: 0 0 18px; }

body.sheet-locked { overflow: hidden; }

@media (min-width: 861px) {
  .sheet, .sheet-backdrop { display: none !important; }
}

/* ---------- Article pages ---------- */
.page-head {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  padding: 26px 0 22px;
}
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.crumbs a { color: var(--accent); }
.crumbs i { font-size: 0.7rem; color: var(--line-2); }
.page-head h1 { max-width: 800px; margin: 0 0 8px; }
.page-head .lede { max-width: 760px; font-size: 0.94rem; color: var(--ink-2); margin: 0; }
.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
  font-size: 0.72rem;
  color: var(--ink-3);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-l);
  border-radius: 999px;
  padding: 4px 10px;
}

.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, 760px) 260px;
  gap: 40px;
  align-items: start;
  padding: 32px 0 44px;
}
@media (max-width: 1020px) { .article-wrap { grid-template-columns: 1fr; gap: 26px; } }

.prose { font-size: 0.95rem; line-height: 1.78; color: var(--ink-2); }
.prose h2 {
  margin: 30px 0 10px;
  padding-top: 4px;
  font-size: 1.28rem;
  scroll-margin-top: calc(var(--nav-h) + 16px);
}
.prose h3 { margin: 20px 0 7px; font-size: 1rem; }
.prose p { margin: 0 0 0.95em; }
.prose ul, .prose ol { margin: 0 0 1em; padding-left: 20px; }
.prose li { margin-bottom: 5px; }
.prose strong { color: var(--ink); font-weight: 700; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose blockquote {
  margin: 16px 0;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: #fff;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem;
  color: var(--ink-2);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.table-wrap { overflow-x: auto; margin: 0 0 14px; border: 1px solid var(--line); border-radius: var(--radius); }
.table-wrap table { margin: 0; border-radius: 0; }
table.plain {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.82rem;
  background: #fff;
}
table.plain th {
  text-align: left;
  background: var(--sand);
  color: var(--ink);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 9px 11px;
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
table.plain td { padding: 8px 11px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.plain tr:last-child td { border-bottom: 0; }
.table-note { font-size: 0.73rem; color: var(--ink-3); margin: -8px 0 16px; }

.checklist { list-style: none; padding: 0; margin: 0 0 14px; }
.checklist li {
  position: relative;
  padding: 7px 10px 7px 34px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 5px;
  font-size: 0.85rem;
}
.checklist li::before {
  content: '';
  position: absolute;
  left: 11px; top: 12px;
  width: 13px; height: 13px;
  border: 1.5px solid var(--line-2);
  border-radius: 3px;
}

.toc {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 22px;
}
.toc h2 { font-family: var(--font-b); font-size: 0.72rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 8px; }
.toc ol { margin: 0; padding-left: 18px; font-size: 0.84rem; }
.toc li { margin-bottom: 4px; }
.toc a { color: var(--ink-2); }
.toc a:hover { color: var(--accent); }

.aside-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px;
  margin-bottom: 12px;
}
.aside-card h2 { font-family: var(--font-b); font-size: 0.72rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 9px; }
.aside-card ul { list-style: none; margin: 0; padding: 0; }
.aside-card li { margin-bottom: 7px; font-size: 0.82rem; line-height: 1.5; }
.aside-card li a { color: var(--ink); }
.aside-card li a:hover { color: var(--accent); }
.aside-cta { background: var(--accent); border-color: var(--accent); color: #fff; }
.aside-cta h2 { color: rgba(255, 255, 255, 0.72); }
.aside-cta p { color: rgba(255, 255, 255, 0.86); font-size: 0.82rem; margin: 0 0 10px; }
.aside-cta .btn { width: 100%; }

.related {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-top: 30px;
}
.related h2 { font-size: 1.05rem; margin: 0 0 12px; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 720px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 13px;
  color: var(--ink);
}
.related-card:hover { border-color: var(--accent); text-decoration: none; }
.related-card span { font-size: 0.66rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--accent); font-weight: 700; }
.related-card strong { display: block; font-family: var(--font-h); font-size: 0.9rem; font-weight: 500; margin-top: 4px; line-height: 1.35; }

.back-home {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-top: 18px;
}
.back-home p { margin: 0; font-size: 0.84rem; }

.notice {
  background: var(--accent-l);
  border: 1px solid #c3d8d6;
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.82rem;
  color: var(--accent-d);
  margin: 0 0 18px;
}
.notice p { color: inherit; margin: 0; font-size: inherit; }

/* 404 */
.center-page {
  min-height: 62vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 18px;
}
.center-page p { max-width: 460px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* Small screen article tweaks */
@media (max-width: 720px) {
  .page-head { padding: 20px 0 18px; }
  .article-wrap { padding: 22px 0 34px; }
  .prose { font-size: 0.94rem; }
  .prose h2 { font-size: 1.16rem; margin-top: 26px; }
  .sheet-cats { grid-template-columns: 1fr; }
}

/* ---------- Entrance animation ---------- */
@keyframes heroRise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.hero-inner > * { animation: heroRise 0.5s ease both; }
.hero-inner > :nth-child(2) { animation-delay: 0.05s; }
.hero-inner > :nth-child(3) { animation-delay: 0.11s; }
.hero-inner > :nth-child(4) { animation-delay: 0.17s; }
.hero-inner > :nth-child(5) { animation-delay: 0.23s; }