@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,550;9..144,700&family=Source+Sans+3:wght@400;500;600;700&display=swap");

:root {
  --ink: #0c1a22;
  --ink-soft: #1a2f3a;
  --muted: #5a6f7a;
  --paper: #f2f6f5;
  --paper-deep: #e4ece9;
  --card: #ffffff;
  --line: #c5d4ce;
  --line-soft: rgba(15, 107, 92, 0.14);
  --accent: #0b6b5c;
  --accent-deep: #085447;
  --accent-soft: rgba(11, 107, 92, 0.1);
  --accent-2: #1a4d7c;
  --warn: #9a4a1a;
  --shadow: 0 1px 0 rgba(12, 26, 34, 0.04), 0 22px 50px rgba(12, 26, 34, 0.07);
  --shadow-hover: 0 1px 0 rgba(12, 26, 34, 0.05), 0 28px 60px rgba(12, 26, 34, 0.1);
  --radius: 20px;
  --radius-sm: 12px;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 8% -10%, rgba(11, 107, 92, 0.12), transparent 55%),
    radial-gradient(700px 380px at 100% 8%, rgba(26, 77, 124, 0.08), transparent 50%),
    linear-gradient(180deg, #e8f0ed 0%, var(--paper) 28%, var(--paper-deep) 100%);
  font-family: var(--font-body);
  line-height: 1.65;
  min-height: 100vh;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); transition: color .2s ease; }
a:hover { color: var(--accent-deep); }
.wrap { width: min(1040px, calc(100% - 2.5rem)); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: #000; color: #fff; padding: .55rem 1rem; z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

/* —— Header —— */
.site-header {
  position: sticky; top: 0; z-index: 40;
  height: var(--header-h);
  backdrop-filter: blur(14px) saturate(1.2);
  background: rgba(242, 246, 245, 0.82);
  border-bottom: 1px solid var(--line-soft);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); gap: 1.25rem;
}
.brand {
  display: inline-flex; align-items: center; gap: .65rem;
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em;
  color: var(--ink); text-decoration: none;
}
.brand-mark {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow: 0 8px 18px rgba(11, 107, 92, 0.28);
  display: grid; place-items: center;
}
.brand-mark svg { width: 18px; height: 18px; color: #fff; }
.nav-links {
  display: flex; flex-wrap: wrap; align-items: center; gap: .35rem 1.15rem;
}
.nav-links a {
  text-decoration: none; color: var(--muted); font-weight: 600; font-size: .95rem;
  position: relative; padding: .25rem 0;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--accent); transition: right .25s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { right: 0; }
.nav-cta {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem 1rem !important;
  border-radius: 999px;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(11, 107, 92, 0.25);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--accent-deep);
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(11, 107, 92, 0.3);
}

/* —— Hero —— */
.hero {
  padding: 3.75rem 0 1.75rem;
  animation: rise .7s ease both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: .45rem;
  letter-spacing: .1em; text-transform: uppercase;
  font-size: .72rem; color: var(--accent); font-weight: 700;
  margin: 0 0 .85rem;
}
.eyebrow svg { width: 14px; height: 14px; }
.hero h1, .page-title {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 5.2vw, 3.65rem);
  line-height: 1.05; letter-spacing: -0.03em;
  margin: 0 0 1rem; color: var(--ink);
  max-width: 14ch;
}
.lede, .prose p {
  color: var(--muted); font-size: 1.12rem; max-width: 40rem; margin: 0;
}
.hero .lede { margin-bottom: 0; }

/* —— Tool board —— */
.tool {
  margin-top: 1.75rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.5rem 1.35rem;
  animation: rise .75s ease .08s both;
  transition: box-shadow .25s ease;
}
.tool:focus-within { box-shadow: var(--shadow-hover); }
.tool-head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-bottom: 1rem;
}
.tool-head h2 {
  font-family: var(--font-display);
  font-size: 1.35rem; margin: 0; letter-spacing: -0.02em;
}
.tool-badge {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .78rem; font-weight: 700; color: var(--accent);
  background: var(--accent-soft); padding: .35rem .7rem; border-radius: 999px;
}
.tool-badge svg { width: 13px; height: 13px; }
.label { display: block; font-weight: 700; margin-bottom: .55rem; color: var(--ink-soft); }
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1.05rem 1.1rem;
  font: inherit;
  resize: vertical;
  min-height: 180px;
  background: #fbfdfe;
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.hint { margin: .45rem 0 0; color: var(--muted); font-size: .88rem; }
.actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .78rem 1.2rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: #fff;
  color: var(--ink);
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn svg { width: 16px; height: 16px; }
.btn:hover { transform: translateY(-1px); border-color: var(--ink); }
.btn:active { transform: none; }
.btn.primary {
  background: linear-gradient(180deg, #0e7a69 0%, var(--accent) 100%);
  color: #fff; border-color: transparent;
  box-shadow: 0 12px 24px rgba(11, 107, 92, 0.28);
}
.btn.primary:hover {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  border-color: transparent;
}
.btn.ghost { background: transparent; }

.results { margin-top: 1.35rem; padding-top: 1.15rem; border-top: 1px solid var(--line-soft); }
.results h2, .prose h2, .page h1 {
  font-family: var(--font-display);
  margin-top: 0; letter-spacing: -0.02em;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .85rem;
}
.stat {
  background: linear-gradient(180deg, #f7faf9 0%, #eef5f2 100%);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 1.05rem 1.1rem;
  transition: transform .2s ease, box-shadow .2s ease;
}
.stat:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(12, 26, 34, 0.06); }
.stat h3 {
  margin: 0; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--muted); font-weight: 700;
}
.num {
  font-family: var(--font-display);
  font-size: 2.05rem; margin: .4rem 0 .15rem; letter-spacing: -0.03em;
}
.num.small { font-size: 1.15rem; }
.tips {
  margin-top: 1.05rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent-2);
  background: #f4f8fb;
  border-radius: 0 14px 14px 0;
  color: var(--ink-soft);
}

/* —— Content boards —— */
.prose { padding: 3rem 0 2.5rem; animation: rise .8s ease .12s both; }
.prose h2 { font-size: clamp(1.55rem, 3vw, 2rem); margin-bottom: .75rem; }
.prose p + p, .prose p + ul { margin-top: 1rem; }
.prose ul {
  list-style: none; padding: 0; margin: 1.1rem 0 0;
  display: grid; gap: .55rem;
}
.prose ul a {
  display: flex; align-items: center; gap: .7rem;
  text-decoration: none; color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: .85rem 1rem;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(12, 26, 34, 0.04);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.prose ul a::before {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}
.prose ul a:hover {
  transform: translateX(4px);
  border-color: var(--accent);
  box-shadow: 0 12px 28px rgba(12, 26, 34, 0.07);
  color: var(--accent-deep);
}

.page { padding: 2.75rem 0 3.5rem; }
.page .card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.6rem;
  margin-top: 1.1rem;
}
.muted { color: var(--muted); }

/* —— Footer —— */
.site-footer {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  padding: 2.4rem 0 2.6rem;
  background:
    linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.7)),
    var(--paper-deep);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.75rem;
}
.footer-brand {
  display: flex; align-items: flex-start; gap: .75rem;
}
.footer-brand strong {
  font-family: var(--font-display);
  font-size: 1.15rem; display: block; margin-bottom: .35rem;
}
.footer-brand p { margin: 0; color: var(--muted); font-size: .95rem; max-width: 28ch; }
.footer-col h3 {
  margin: 0 0 .7rem; font-size: .78rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
}
.footer-col a {
  display: block; margin: 0 0 .45rem;
  color: var(--ink-soft); text-decoration: none; font-weight: 600;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 1.75rem; padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; gap: .75rem 1.25rem;
  justify-content: space-between; color: var(--muted); font-size: .88rem;
}

@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  :root { --header-h: auto; }
  .site-header { height: auto; }
  .nav {
    flex-direction: column; align-items: flex-start;
    padding: .85rem 0; gap: .75rem;
  }
  .nav-links { width: 100%; gap: .55rem .9rem; }
  .nav-cta { margin-left: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 2.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}