/* Silex — trysilex.com
   Design language carried over from the app: near-black ground, teal→mint→indigo
   aurora, SF Rounded, oversized numerals, 4pt spacing grid. */

:root {
  --ink: #0a0b10;
  --ink-2: #11131b;
  --line: #22252f;
  --text: #edeff5;
  --muted: #a3abbb;      /* 7.0:1 on --ink */
  --mint: #6ee7c0;
  --teal: #35c8d8;
  --indigo: #8b8ef0;
  --gold: #f0c987;
  --radius: 18px;
  --wrap: 43rem;
  --font: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont,
          "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* aurora ground, fixed so it never scrolls into a seam */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60rem 40rem at 12% -8%, rgba(53, 200, 216, 0.16), transparent 70%),
    radial-gradient(52rem 34rem at 92% 4%, rgba(139, 142, 240, 0.14), transparent 70%),
    radial-gradient(46rem 30rem at 50% 108%, rgba(110, 231, 192, 0.10), transparent 72%);
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }

.skip {
  position: absolute; left: -9999px;
  background: var(--mint); color: #06120e; padding: 0.5rem 0.75rem; border-radius: 8px;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 10; }

a { color: var(--mint); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: #a7f3d9; }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 4px; }

/* --- header ---------------------------------------------------------------- */

.site-head { border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
.head-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 3.75rem; flex-wrap: wrap;
}
.logo { font-weight: 700; font-size: 1.2rem; letter-spacing: 0.01em; color: var(--text); text-decoration: none; }
.logo span {
  background: linear-gradient(96deg, var(--mint), var(--teal) 55%, var(--indigo));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.site-head nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.site-head nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.site-head nav a:hover, .site-head nav a[aria-current] { color: var(--text); }

/* --- type ----------------------------------------------------------------- */

main { padding: 2.5rem 1.25rem 3.5rem; }

h1 {
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  text-wrap: balance;
}
h2 {
  font-size: clamp(1.35rem, 3.6vw, 1.7rem);
  line-height: 1.2; letter-spacing: -0.01em;
  margin: 2.5rem 0 0.75rem; text-wrap: balance;
}
h3 { font-size: 1.1rem; margin: 1.75rem 0 0.5rem; }
p, ul, ol { margin: 0 0 1rem; }
ul, ol { padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }
strong { color: #fff; }
small, .small { font-size: 0.9rem; color: var(--muted); }

.byline { color: var(--muted); font-size: 0.92rem; margin: -0.25rem 0 1.5rem; }

.lede { font-size: 1.2rem; color: #d6dbe6; }

/* --- TL;DR answer block (the GEO payload) --------------------------------- */

.tldr {
  border-left: 3px solid var(--mint);
  background: rgba(110, 231, 192, 0.07);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.15rem;
  margin: 0 0 2rem;
}
.tldr p { margin: 0; }

/* --- source citations ----------------------------------------------------- */

.src { font-size: 0.9rem; color: var(--muted); }
blockquote {
  margin: 1.5rem 0; padding: 0.25rem 0 0.25rem 1.15rem;
  border-left: 2px solid var(--line); color: #d6dbe6; font-style: italic;
}
blockquote cite { display: block; font-style: normal; font-size: 0.9rem; color: var(--muted); margin-top: 0.5rem; }

/* --- cards / grids -------------------------------------------------------- */

.cards { display: grid; gap: 1rem; grid-template-columns: 1fr; margin: 1.5rem 0 2rem; }
@media (min-width: 40rem) { .cards.two { grid-template-columns: 1fr 1fr; } }

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.card .num {
  display: block; font-size: 2.1rem; font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.1;
  background: linear-gradient(96deg, var(--mint), var(--teal));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* --- tables --------------------------------------------------------------- */

.table-scroll { overflow-x: auto; margin: 1.5rem 0 2rem; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; min-width: 34rem; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.7rem 0.85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: rgba(255,255,255,0.04); font-size: 0.85rem; letter-spacing: 0.03em; text-transform: uppercase; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }

/* --- CTA ------------------------------------------------------------------ */

.cta {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  margin: 2.5rem 0;
  text-align: center;
  background:
    radial-gradient(28rem 14rem at 50% 0%, rgba(110, 231, 192, 0.13), transparent 70%),
    var(--ink-2);
}
.cta h2 { margin-top: 0; }
.btn {
  display: inline-block;
  background: linear-gradient(96deg, var(--mint), var(--teal));
  color: #04120e;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
}
.btn:hover { color: #04120e; filter: brightness(1.06); }
.cta-pending { font-size: 0.9rem; color: var(--muted); margin-bottom: 0; }

/* --- hero ----------------------------------------------------------------- */

.hero-sub { font-size: 1.2rem; color: #d6dbe6; margin-bottom: 1.5rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 1.5rem 0; }
.chips li {
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.3rem 0.8rem; font-size: 0.88rem; color: var(--muted); margin: 0;
}
.shots { display: flex; gap: 0.75rem; overflow-x: auto; padding: 0.5rem 0 1rem; scroll-snap-type: x mandatory; }
.shots img {
  width: 12rem; flex: 0 0 auto; border-radius: 14px; border: 1px solid var(--line);
  scroll-snap-align: start; height: auto;
}

/* --- helplines ------------------------------------------------------------ */

.helplines {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem 1.35rem; margin: 0 0 3rem;
  background: var(--ink-2);
}
.helplines h2 { margin: 0 0 0.75rem; font-size: 1.1rem; }
.helplines ul { list-style: none; padding: 0; margin: 0; }
.helplines li { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: baseline; margin-bottom: 0.6rem; }
.hl-region { font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); min-width: 4.5rem; }
.hl-note { font-size: 0.88rem; color: var(--muted); flex: 1 1 14rem; }

/* --- FAQ ------------------------------------------------------------------ */

.faq h3 { margin-bottom: 0.35rem; }
.faq p { color: #d6dbe6; }

/* --- footer --------------------------------------------------------------- */

.site-foot { border-top: 1px solid var(--line); padding: 2rem 0 3rem; font-size: 0.92rem; }
.site-foot .disclaimer { color: var(--muted); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1rem 0; }
.site-foot nav a { color: var(--text); text-decoration: none; }
.site-foot nav a:hover { text-decoration: underline; }
.site-foot .copy { color: var(--muted); margin-bottom: 0; }

/* --- tools (self-check, calculator) -------------------------------------- */

.tool { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; background: var(--ink-2); margin: 1.5rem 0; }
.tool fieldset { border: 0; padding: 0; margin: 0 0 1.5rem; }
.tool legend { font-weight: 600; padding: 0; margin-bottom: 0.6rem; }
.tool .opts { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tool .opts label {
  border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.85rem;
  font-size: 0.92rem; cursor: pointer; color: var(--muted);
}
.tool .opts input { position: absolute; opacity: 0; pointer-events: none; }
.tool .opts input:checked + span { color: #04120e; }
.tool .opts label:has(input:checked) { background: var(--mint); border-color: var(--mint); color: #04120e; }
.tool .opts label:focus-within { outline: 2px solid var(--teal); outline-offset: 2px; }
.tool input[type="number"], .tool select {
  background: var(--ink); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 0.6rem 0.7rem; font: inherit; font-size: 1rem; width: 100%; max-width: 12rem;
}
.result { border-top: 1px solid var(--line); margin-top: 1.25rem; padding-top: 1.25rem; }
.result .num { display: block; font-size: clamp(2.4rem, 9vw, 3.4rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05;
  background: linear-gradient(96deg, var(--mint), var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.result .band { font-weight: 700; }
.noscript { color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}