/* Red Light Mask Guide — site styles */
:root {
  --bg: #fbf7f4;
  --surface: #ffffff;
  --ink: #1f1a19;
  --muted: #6b5f5c;
  --line: #ece2dd;
  --accent: #b3261e;
  --accent-dark: #8c1d17;
  --blush: #f7e6e1;
  --ok: #1f7a4d;
  --warn: #9a6400;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(31, 26, 25, .06), 0 8px 24px rgba(31, 26, 25, .06);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
}
img { max-width: 100%; height: auto; display: block; }
main img[width] { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: #f3f0ee; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; letter-spacing: -.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 3vw, 2.05rem); font-weight: 600; margin-top: 1.6em; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
li { margin-bottom: .4em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; font-weight: 700; color: var(--accent); margin-bottom: .6em; }

/* disclosure bar */
.disclosure-bar { background: var(--ink); color: #f3ebe8; font-size: .82rem; text-align: center; padding: 8px 16px; }
.disclosure-bar a { color: #fff; }

/* header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 30; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.logo { font-family: var(--serif); font-weight: 700; font-size: 1.2rem; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo-dot { width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #ff7a6b, var(--accent) 60%, #6e120d); box-shadow: 0 0 14px rgba(179, 38, 30, .45); }
.nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.nav a { display: block; padding: 8px 11px; border-radius: 8px; color: var(--ink); text-decoration: none; font-size: .92rem; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--blush); color: var(--accent-dark); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font: inherit; font-size: .9rem; cursor: pointer; }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 64px; background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; padding: 8px 12px 16px; }
  .nav a { padding: 12px; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; padding: 14px 22px; border-radius: 999px; border: 0; cursor: pointer; font-size: 1rem; transition: background .15s, transform .15s; }
.btn:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
.btn-ghost:hover { background: var(--blush); color: var(--accent-dark); }
.btn-block { width: 100%; }

/* hero */
.hero { padding: 48px 0 40px; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); gap: 40px; align-items: center; }
.hero .lede { font-size: 1.15rem; color: var(--muted); max-width: 40ch; }
.byline { font-size: .85rem; color: var(--muted); margin-top: 18px; }
.hero-img { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 18px; position: relative; }
.hero-img img { border-radius: 14px; }
.badge { position: absolute; top: 18px; left: 18px; background: var(--accent); color: #fff; font-size: .78rem; font-weight: 700; padding: 6px 12px; border-radius: 999px; letter-spacing: .03em; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: minmax(0,1fr); } .hero { padding-top: 28px; } }

/* cards / sections */
.section { padding: 28px 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.quick-answer { border-left: 5px solid var(--accent); }
.quick-answer h2 { margin-top: 0; font-size: 1.35rem; }
.grid-2 { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: minmax(0,1fr); } }

/* pick card */
.pick { display: grid; grid-template-columns: 300px minmax(0,1fr); gap: 28px; align-items: start; }
.pick img { border-radius: 12px; background: #f3f0ee; }
.price { font-family: var(--serif); font-size: 2rem; font-weight: 700; }
.price small { font-family: var(--sans); font-size: .8rem; color: var(--muted); font-weight: 400; display: block; }
.specs { list-style: none; padding: 0; margin: 16px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; }
.specs li { font-size: .93rem; margin: 0; padding-left: 22px; position: relative; }
.specs li::before { content: ""; position: absolute; left: 0; top: .55em; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px rgba(179, 38, 30, .5); }
.trust-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.chip { background: var(--blush); color: var(--accent-dark); border-radius: 999px; padding: 5px 12px; font-size: .82rem; font-weight: 600; }
@media (max-width: 760px) { .pick { grid-template-columns: minmax(0,1fr); } .specs { grid-template-columns: 1fr; } }

/* pros/cons */
.pros, .cons { list-style: none; padding: 0; margin: 0; }
.pros li, .cons li { padding-left: 28px; position: relative; }
.pros li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.cons li::before { content: "–"; position: absolute; left: 4px; color: var(--warn); font-weight: 700; }

/* tables */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .94rem; min-width: 620px; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #faf3f0; font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td.hl, th.hl { background: #fdf0ec; }
th.hl { color: var(--accent-dark); }

/* problem / fix */
.problem { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); margin-bottom: 14px; }
.problem > div { padding: 18px 20px; }
.problem .p { background: #fbf4f2; border-right: 1px solid var(--line); }
.problem h3 { font-size: 1.02rem; font-family: var(--sans); margin-bottom: .35em; }
.problem .label { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; color: var(--muted); }
.problem .fix .label { color: var(--ok); }
@media (max-width: 720px) { .problem { grid-template-columns: 1fr; } .problem .p { border-right: 0; border-bottom: 1px solid var(--line); } }

/* modes visual */
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mode { border-radius: var(--radius); padding: 20px; color: #fff; min-height: 150px; }
.mode h3 { color: #fff; margin-bottom: .2em; }
.mode p { margin: 0; font-size: .92rem; opacity: .95; }
.mode .nm { font-weight: 700; font-size: .85rem; letter-spacing: .05em; opacity: .9; }
.m-red { background: linear-gradient(135deg, #c9302a, #7d1510); }
.m-blue { background: linear-gradient(135deg, #3657d6, #1d2c78); }
.m-mix { background: linear-gradient(135deg, #c9302a, #6a2a9a 55%, #2f4bc4); }
@media (max-width: 760px) { .modes { grid-template-columns: 1fr; } }

/* checklist */
.checklist { counter-reset: c; list-style: none; padding: 0; }
.checklist li { counter-increment: c; padding: 16px 16px 16px 60px; position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 10px; }
.checklist li::before { content: counter(c); position: absolute; left: 16px; top: 15px; width: 30px; height: 30px; border-radius: 50%; background: var(--blush); color: var(--accent-dark); font-weight: 700; display: grid; place-items: center; font-size: .9rem; }

/* faq */
details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; padding: 12px 0; list-style: none; position: relative; padding-right: 28px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 10px; font-size: 1.3rem; color: var(--accent); }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.gallery figure { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.gallery figcaption { font-size: .8rem; color: var(--muted); padding: 8px 12px; }
@media (max-width: 760px) { .gallery { grid-template-columns: repeat(2, minmax(0,1fr)); } }

/* callouts */
.note { background: #fff8e8; border: 1px solid #f1dfb2; border-radius: 12px; padding: 14px 18px; font-size: .93rem; }
.cta-band { background: linear-gradient(135deg, #2a1312, #5c1612); color: #fbefec; border-radius: 22px; padding: 36px; display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; }
.cta-band h2 { color: #fff; margin-top: 0; }
.cta-band p { color: #e9d3ce; margin: 0; }
@media (max-width: 760px) { .cta-band { grid-template-columns: 1fr; padding: 26px; } }

/* related links */
.related { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.related a { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-decoration: none; color: var(--ink); font-weight: 600; }
.related a span { display: block; font-weight: 400; color: var(--muted); font-size: .88rem; margin-top: 4px; }
.related a:hover { border-color: var(--accent); }

/* quiz */
.quiz { max-width: 720px; margin: 0 auto; }
.q-progress { height: 6px; background: var(--line); border-radius: 99px; overflow: hidden; margin-bottom: 22px; }
.q-progress span { display: block; height: 100%; background: var(--accent); width: 0; transition: width .25s; }
.q-step h2 { margin-top: 0; font-size: 1.5rem; }
.q-options { display: grid; gap: 10px; }
.q-options button { text-align: left; background: var(--surface); border: 1.5px solid var(--line); border-radius: 12px; padding: 16px 18px; font: inherit; cursor: pointer; transition: border-color .15s, background .15s; }
.q-options button:hover, .q-options button:focus-visible { border-color: var(--accent); background: #fff8f6; outline: none; }
.q-options button small { display: block; color: var(--muted); font-size: .85rem; }
.q-result { display: none; }
.q-back { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; margin-top: 14px; padding: 0; text-decoration: underline; }

/* forms */
.form label { display: block; font-weight: 600; font-size: .92rem; margin: 14px 0 6px; }
.form input, .form textarea, .form select { width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; font: inherit; background: var(--surface); }
.form input:focus, .form textarea:focus { border-color: var(--accent); outline: none; }
.form .hp { position: absolute; left: -9999px; }
.form-status { margin-top: 14px; font-weight: 600; }

/* legal pages */
.legal h2 { font-size: 1.35rem; }
.legal { padding: 36px 0 48px; }

/* footer */
.site-footer { background: #1f1a19; color: #cfc3bf; margin-top: 56px; padding: 44px 0 28px; font-size: .9rem; }
.site-footer a { color: #f3e8e5; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.site-footer h4 { color: #fff; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer .fine { border-top: 1px solid #3a3230; margin-top: 30px; padding-top: 18px; font-size: .8rem; color: #a3958f; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* sticky mobile CTA */
.sticky-cta { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: var(--surface); border-top: 1px solid var(--line); box-shadow: 0 -6px 20px rgba(0, 0, 0, .08); padding: 10px 16px; align-items: center; gap: 12px; }
.sticky-cta .t { flex: 1; font-size: .85rem; line-height: 1.3; }
.sticky-cta .t b { display: block; font-size: .95rem; }
.sticky-cta .btn { padding: 11px 16px; font-size: .92rem; }
@media (max-width: 760px) { .sticky-cta.show { display: flex; } body { padding-bottom: 72px; } }

:focus-visible { outline: 3px solid rgba(179, 38, 30, .45); outline-offset: 2px; }