/* Advertorial design system.
   THE ONLY BLOCK YOU CHANGE PER CLIENT IS :root BELOW.
   Extract the real values from the client's live site (see RECON.md) and paste them in.
   Everything after :root is client-agnostic and should not need editing. */

/* Real values pulled from glp1researchlab.com's own --rl-* custom properties, 2026-09-14.
   The variable names below stay generic so the rest of the sheet is untouched; only the
   values are the client's. gold => their orange #ff4f00, navy => their ink #101820. */
:root {
  --navy: #101820;
  --navy-deep: #101820;
  --navy-2: #1b242e;
  --navy-3: #5c636b;
  --ink: #101820;
  --ink-2: #5c636b;          /* --rl-graphite */
  --gold: #ff4f00;           /* --rl-orange */
  --gold-2: #ff4f00;
  --gold-3: #ff4f00;
  --gold-deep: #d94300;
  --gold-pale: #ffb08a;
  --bg: #ffffff;             /* --rl-backdrop */
  --bg-soft: #f4f5f6;
  --line: rgba(16,24,32,.14); /* --rl-hairline */
  --line-strong: rgba(16,24,32,.28);
  --disp: 'itc-avant-garde-gothic-pro', 'Hanken Grotesk', system-ui, sans-serif;
  --body: 'Hanken Grotesk', system-ui, -apple-system, sans-serif;
  --mono: 'Bebas Neue', Impact, 'Arial Narrow', sans-serif;

  --radius-card: 14px;       /* --rl-radius-card */
  --track-label: .16em;      /* --rl-track-label */
  --track-display: -.025em;  /* --rl-track-display */

  --bar-top: 44px;
  --bar-bottom: 82px;
}

body.adv {
  font-family: var(--body);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.62;
  padding-top: var(--bar-top);
  padding-bottom: var(--bar-bottom);
}

.adv h1, .adv h2, .adv h3 { font-family: var(--disp); letter-spacing: -0.02em; }

.adv-wrap { max-width: 1080px; margin: 0 auto; padding: 0 18px; }

/* Two column on desktop, the rail is CTA #3 that stays on screen.
   padding-top clears the fixed bar for BOTH columns. It lives here rather than on
   .adv-kicker because `.adv p` (0,1,1) outranks `.adv-kicker` (0,1,0) and silently
   zeroes that margin, which left the first line flush against the bar. */
.adv-grid { display: block; padding-top: 34px; }
@media (min-width: 1000px) {
  .adv-grid { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 44px; align-items: start; }
}

/* ---------- sticky bar 1 (top) ---------- */
.adv-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  height: var(--bar-top);
  background: var(--navy-deep); color: var(--bg-soft);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 0 16px;
  border-bottom: 1px solid rgba(255,79,0,.35);
}
.adv-topbar .brand {
  font-family: var(--disp); font-weight: 800; font-size: .82rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--gold);
  text-decoration: none; white-space: nowrap;
}
.adv-topbar .brand span { color: #fff; }
.adv-topbar .top-cta {
  font: 600 .74rem/1 var(--body); letter-spacing: .04em;
  color: #fff; background: var(--gold);
  padding: 8px 14px; border-radius: 999px; text-decoration: none; white-space: nowrap;
}
.adv-topbar .top-cta:hover { background: var(--gold-deep); }

/* ---------- sticky bar 2 (bottom) holds CTA #2 and #3 ---------- */
.adv-bottombar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  background: var(--navy-deep);
  border-top: 2px solid var(--gold-3);
  padding: 10px 14px;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  box-shadow: 0 -8px 28px rgba(16,24,32,.28);
}
.adv-bottombar .bb-copy { display: none; color: var(--bg-soft); font-size: .78rem; line-height: 1.35; }
.adv-bottombar .bb-copy strong { color: #fff; display: block; font-family: var(--disp); font-size: .92rem; }
@media (min-width: 720px) { .adv-bottombar .bb-copy { display: block; } }
.bb-primary {
  background: var(--gold); color: #fff;
  font: 700 .86rem/1 var(--body); letter-spacing: .02em;
  padding: 14px 22px; border-radius: 999px; text-decoration: none; white-space: nowrap;
}
.bb-primary:hover { background: var(--gold-deep); }
.bb-secondary {
  color: #fff; font: 600 .78rem/1 var(--body);
  padding: 13px 16px; border: 1px solid rgba(255,255,255,.38);
  border-radius: 999px; text-decoration: none; white-space: nowrap;
}
.bb-secondary:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- article ---------- */
.adv-kicker {
  font: 700 .7rem/1 var(--body); letter-spacing: .18em; text-transform: uppercase;
  color: var(--gold); margin: 30px 0 14px;
}
.adv h1 {
  font-size: clamp(1.72rem, 5vw, 2.62rem); line-height: 1.12;
  color: var(--navy-deep); margin: 0 0 18px; font-weight: 600;
}
.adv h1 b { font-weight: 800; }
.adv-standfirst {
  font-size: 1.04rem; color: var(--ink-2); margin: 0 0 22px;
}
.adv-standfirst mark {
  background: #ffe3d6; color: var(--ink); padding: 2px 5px; box-decoration-break: clone;
}
/* Source shots are square 1254x1254 with the client's own studio background baked in. */
.adv-hero { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: var(--bg-soft); }
.adv-hero .vial { border-radius: 0; }
.adv-figcap {
  font: 500 .8rem/1.5 var(--body); color: var(--ink-2);
  padding: 10px 14px; border-top: 1px solid var(--line); background: #fff;
}

.adv p { margin: 0 0 1.15em; }
.adv h2 {
  font-size: clamp(1.24rem, 3.4vw, 1.58rem); color: var(--navy-deep);
  margin: 40px 0 12px; font-weight: 700; line-height: 1.22;
}
.adv h2 .num {
  font-family: var(--mono); color: var(--gold-2); font-size: .82em;
  margin-right: 10px; font-weight: 500;
}
.adv .takeaway {
  font-weight: 650; color: var(--navy-deep);
  border-left: 3px solid var(--gold-3); padding-left: 14px; margin: 0 0 1.2em;
}

/* checklist */
.adv-checks { list-style: none; margin: 0 0 26px; padding: 0; }
.adv-checks li { position: relative; padding-left: 30px; margin-bottom: 11px; }
.adv-checks li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  color: var(--gold-2); font-weight: 800;
}
.adv-checks b { color: var(--navy-deep); }

/* ---------- inline CTA blocks ---------- */
.adv-cta {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 14px; padding: 24px 20px; margin: 34px 0; text-align: center;
}
.adv-cta h3 {
  font-size: 1.18rem; color: var(--navy-deep); margin: 0 0 8px; font-weight: 700; line-height: 1.25;
}
.adv-cta p { font-size: .92rem; color: var(--ink-2); margin: 0 0 16px; }
.btn-gold {
  display: inline-block; background: var(--gold); color: #fff;
  font: 700 .95rem/1 var(--body); padding: 16px 30px;
  border-radius: 999px; text-decoration: none;
}
.btn-gold:hover { background: var(--gold-deep); }
.adv-usp {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px;
  margin-top: 14px; font: 400 .92rem/1 var(--mono); letter-spacing: .1em; color: var(--ink-2);
}
.adv-usp span::before { content: "● "; color: var(--gold-2); }

/* ---------- COA card, the lab-document motif ---------- */
.coa {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; margin: 30px 0;
}
.coa-head {
  background: var(--navy-deep); color: var(--gold);
  padding: 13px 16px; font: 400 .98rem/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  display: flex; justify-content: space-between; gap: 10px;
}
.coa-row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 11px 16px; border-bottom: 1px solid var(--bg-soft);
  font: 400 1.02rem/1.4 var(--mono); letter-spacing: .06em;
}
.coa-row:last-child { border-bottom: 0; }
.coa-row .k { color: var(--ink-2); }
.coa-row .v { color: var(--navy-deep); font-weight: 600; text-align: right; }
.coa-row .pass { color: #1c7a4a; }
.coa-row .fail { color: #b3352b; }

/* comparison table */
.cmp { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: .88rem; }
.cmp th, .cmp td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.cmp thead th { font: 700 .74rem/1.3 var(--body); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.cmp thead th:nth-child(2) { color: var(--gold-deep); }
.cmp td:nth-child(2) { color: #1c7a4a; font-weight: 650; }
.cmp td:nth-child(3) { color: #a2503f; }

/* ---------- desktop rail: always-visible CTA ---------- */
.adv-rail { display: none; }
@media (min-width: 1000px) {
  .adv-rail { display: block; position: sticky; top: calc(var(--bar-top) + 22px); }
}
.rail-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; margin-bottom: 16px;
}

.rail-body { padding: 18px 16px; text-align: center; }
.rail-body h4 {
  font-family: var(--disp); font-size: 1.02rem; line-height: 1.25;
  color: var(--navy-deep); margin: 0 0 10px; font-weight: 700;
}
.rail-body p { font-size: .82rem; color: var(--ink-2); margin: 0 0 14px; }
.rail-body .btn-gold { display: block; padding: 14px 12px; font-size: .88rem; }
.rail-facts { list-style: none; margin: 14px 0 0; padding: 0; text-align: left; }
.rail-facts li {
  font: 500 .82rem/1.5 var(--body); color: var(--ink-2);
  padding: 7px 0; border-top: 1px solid var(--bg-soft);
}
.rail-facts li::before { content: "✓ "; color: var(--gold-2); font-weight: 700; }

/* ---------- comment thread ---------- */
.adv-comments { margin: 44px 0 0; border-top: 1px solid var(--line); padding-top: 26px; }
.adv-comments h3 {
  font-family: var(--disp); font-size: 1.05rem; color: var(--navy-deep);
  margin: 0 0 20px; font-weight: 700;
}
.cmt { display: flex; gap: 12px; margin-bottom: 20px; }
.cmt.reply { margin-left: 42px; }
.avatar {
  flex: 0 0 34px; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  font: 700 .8rem/1 var(--body); color: #fff; background: var(--navy-3);
}
.avatar.g { background: var(--gold); }
.avatar.n { background: var(--navy-2); }
.cmt-body { flex: 1; min-width: 0; }
.cmt-name { font: 700 .84rem/1.3 var(--body); color: var(--navy-deep); margin-bottom: 2px; }
.cmt-text { font-size: .88rem; color: var(--ink-2); margin: 0 0 4px; }
.cmt-meta { font: 500 .72rem/1 var(--body); color: #9aa0a6; }

.adv-note { font: 500 .82rem/1.55 var(--body); color: var(--ink-2); margin: -18px 0 26px; }

/* ---------- scorecard hero (advertorial 2) ---------- */
.scorecard { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff; margin: 0 0 26px; }
.sc-head {
  background: var(--navy-deep); color: var(--gold); padding: 13px 16px;
  font: 400 .98rem/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase;
}
.sc-row { display: flex; align-items: center; gap: 12px; padding: 11px 16px; border-bottom: 1px solid var(--bg-soft); font-size: .86rem; }
.sc-row:last-of-type { border-bottom: 0; }
.sc-n { font: 400 .95rem/1 var(--mono); color: var(--gold-2); flex: 0 0 24px; }
.sc-k { flex: 1; color: var(--navy-deep); font-weight: 600; }
.sc-v { font: 400 .95rem/1 var(--mono); white-space: nowrap; }
.sc-v.pass { color: #1c7a4a; }
.sc-v.miss { color: #b3352b; }
.sc-foot { background: var(--bg-soft); padding: 13px 16px; font-size: .82rem; color: var(--ink-2); border-top: 1px solid var(--line); }

/* ---------- trio hero (advertorial 3) ---------- */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 0 0 14px; }
.trio figure { margin: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--bg-soft); }

.trio figcaption {
  font: 500 .76rem/1.35 var(--body); color: var(--ink-2);
  padding: 8px 6px; text-align: center; background: #fff; border-top: 1px solid var(--line);
}

/* ---------- homepage ---------- */
.home-hero { background: var(--navy-deep); color: var(--bg-soft); padding: 46px 0 52px; margin-bottom: 0; }
.home-hero .adv-kicker { color: var(--gold); margin-top: 0; }
.home-hero h1 { color: #fff; font-size: clamp(1.9rem, 5.4vw, 3rem); margin-bottom: 16px; font-weight: 600; }
.home-hero h1 b { color: var(--gold); font-weight: 900; }
.home-dek { color: #c3c8cd; font-size: 1.02rem; max-width: 640px; margin: 0 0 26px; }
.home-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-ghost {
  display: inline-block; color: #fff; border: 1px solid rgba(255,255,255,.4);
  font: 600 .95rem/1 var(--body); padding: 16px 28px; border-radius: 999px; text-decoration: none;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.trust-strip { background: var(--navy-deep); color: #fff; }
.trust-inner {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px;
  padding: 14px 18px; font: 400 .98rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
}

.sec-title { font-family: var(--disp); font-size: clamp(1.35rem, 3.6vw, 1.8rem); color: var(--navy-deep); margin: 48px 0 6px; font-weight: 700; }
.sec-dek { color: var(--ink-2); margin: 0 0 26px; }

.card-grid { display: grid; gap: 20px; }
@media (min-width: 760px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }
.card {
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  transition: transform .16s ease, box-shadow .16s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(16,24,32,.14); }
.card-img { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.card-img { border-bottom: 1px solid var(--line); }
.card-body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.card-kicker { font: 700 .66rem/1 var(--body); letter-spacing: .16em; text-transform: uppercase; color: var(--gold); margin: 0 0 9px; }
.card h3 { font-family: var(--disp); font-size: 1.08rem; line-height: 1.28; color: var(--navy-deep); margin: 0 0 9px; font-weight: 700; }
.card-dek { font-size: .87rem; color: var(--ink-2); margin: 0 0 14px; flex: 1; }
.card-more { font: 700 .82rem/1 var(--body); color: var(--gold-deep); }

.band {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 16px;
  padding: 32px 24px; margin: 44px 0; text-align: center;
}
.band h3 { font-family: var(--disp); font-size: clamp(1.2rem, 3.2vw, 1.55rem); color: var(--navy-deep); margin: 0 0 10px; font-weight: 700; }
.band p { color: var(--ink-2); max-width: 620px; margin: 0 auto 20px; font-size: .95rem; }
.band.dark { background: var(--navy-deep); border-color: var(--navy-deep); }
.band.dark h3 { color: #fff; }
.band.dark p { color: #c3c8cd; }

.eight-grid { display: grid; gap: 12px; }
@media (min-width: 640px) { .eight-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .eight-grid { grid-template-columns: repeat(4, 1fr); } }
.eight { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; font-size: .82rem; color: var(--ink-2); }
.eight .n { display: block; font: 400 .95rem/1 var(--mono); letter-spacing: .12em; color: var(--gold-2); margin-bottom: 8px; }
.eight b { display: block; font-family: var(--disp); font-size: .98rem; color: var(--navy-deep); margin-bottom: 5px; }

.trio a { text-decoration: none; color: inherit; display: block; }
.adv-hero a { display: block; }

/* ---------- legal / plain pages ---------- */
.legal { max-width: 720px; margin: 0 auto; padding: 34px 0 10px; }
.legal h1 { font-size: clamp(1.6rem, 4.4vw, 2.1rem); color: var(--navy-deep); margin-bottom: 18px; }
.legal h2 { font-size: 1.15rem; color: var(--navy-deep); margin: 30px 0 10px; }
.legal p, .legal li { color: var(--ink-2); }

/* ---------- footer ---------- */
.adv-foot {
  margin-top: 46px; background: var(--navy-deep); color: #9aa0a6;
  padding: 30px 18px; font-size: .72rem; line-height: 1.6; text-align: center;
}
.adv-foot a { color: var(--gold); }
.adv-foot p { max-width: 760px; margin: 0 auto 12px; }
.foot-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; margin-bottom: 18px; }
.foot-links a { font: 600 .76rem/1 var(--body); text-decoration: none; }
.foot-links a:hover { color: #fff; }
.adv-disclosure {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font: 500 .72rem/1.5 var(--body); color: var(--ink-2); margin: 26px 0 0;
}


/* ---------- vial: the full bottle, never cropped, and interactive ----------
   The client's shots are square 1254x1254 with their own light studio background
   already baked in, so this is a soft light panel rather than a dark plinth. A dark
   plinth behind a light product card reads as a mistake. Contained, never cover. */
.vial {
  position: relative; display: block;
  overflow: hidden; aspect-ratio: 1 / 1; isolation: isolate;
  padding: 3%;
  background: #ededef;
}
/* soft pool of light the vial appears to stand in */
.vial::before {
  content: ""; position: absolute; z-index: 0;
  left: 50%; bottom: 9%; width: 58%; height: 11%;
  transform: translateX(-50%) scale(1);
  background: radial-gradient(50% 50% at 50% 50%, rgba(255,79,0,.28), transparent 72%);
  filter: blur(9px); opacity: 0;
  transition: opacity .42s ease, transform .42s ease;
}
.vial img {
  position: absolute; inset: 0; z-index: 1;
  width: 100%; height: 100%;
  object-fit: contain; display: block;
  transition: transform .42s cubic-bezier(.2,.7,.3,1), filter .42s ease;
}
.vial-cta {
  position: absolute; z-index: 2; left: 0; right: 0; bottom: 0;
  padding: 11px 8px; text-align: center;
  background: linear-gradient(to top, rgba(16,24,32,.95) 28%, rgba(16,24,32,0));
  color: #fff; font: 700 .72rem/1.2 var(--body);
  transform: translateY(101%); transition: transform .34s ease;
}

/* Two cases: the vial is inside a link, or the link is the vial. */
a:hover .vial img, a:focus-visible .vial img,
a.vial:hover img, a.vial:focus-visible img {
  transform: translateY(-7px) scale(1.05);
  filter: drop-shadow(0 16px 22px rgba(16,24,32,.22));
}
a:hover .vial::before, a:focus-visible .vial::before,
a.vial:hover::before, a.vial:focus-visible::before {
  opacity: .85; transform: translateX(-50%) scale(1.2);
}
a:hover .vial-cta, a:focus-visible .vial-cta,
a.vial:hover .vial-cta, a.vial:focus-visible .vial-cta { transform: translateY(0); }

/* Per-placement proportions. The hero is wider than the source square, so the product
   is centred in it with room around; it is contained either way and never cropped. */
.vial-hero { aspect-ratio: 16 / 10; border-radius: 0; padding: 2% 2% 3%; }

@media (max-width: 560px) { .vial-hero { aspect-ratio: 4 / 3; } }

.vial-rail { display: block; aspect-ratio: 1 / 1; }

.trio .vial { aspect-ratio: 1 / 1; }
.trio figcaption { position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  .vial img, .vial::before, .vial-cta { transition: none; }
  a:hover .vial img, a.vial:hover img { transform: none; }
  .vial-cta { transform: translateY(0); }
}

/* ---------- client-supplied brand imagery ----------
   Representation shots, not catalogue product shots. Shown whole, never cropped. */
.home-hero-grid { display: block; }
@media (min-width: 900px) {
  .home-hero-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.92fr); gap: 44px; align-items: center; }
}
.home-hero-img {
  display: block; margin-top: 30px; border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(220,202,158,.22);
  box-shadow: 0 24px 60px rgba(0,0,0,.42);
  transition: transform .4s cubic-bezier(.2,.7,.3,1), box-shadow .4s ease;
}
.home-hero-img img { width: 100%; height: auto; display: block; }
.home-hero-img:hover, .home-hero-img:focus-visible {
  transform: translateY(-5px); box-shadow: 0 32px 72px rgba(0,0,0,.55);
}
@media (min-width: 900px) { .home-hero-img { margin-top: 0; } }

.brand-band {
  margin: 34px 0; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-soft);
}
.brand-band > a { position: relative; display: block; overflow: hidden; }
.brand-band img {
  width: 100%; height: auto; display: block;
  transition: transform .5s cubic-bezier(.2,.7,.3,1);
}
.brand-band > a:hover img, .brand-band > a:focus-visible img { transform: scale(1.035); }
.band-cta {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 14px 12px; text-align: center;
  background: linear-gradient(to top, rgba(16,24,32,.94) 26%, rgba(16,24,32,0));
  color: #fff; font: 700 .82rem/1.2 var(--body);
  transform: translateY(101%); transition: transform .34s ease;
}
.brand-band > a:hover .band-cta, .brand-band > a:focus-visible .band-cta { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .home-hero-img, .brand-band img, .band-cta { transition: none; }
  .home-hero-img:hover { transform: none; }
  .brand-band > a:hover img { transform: none; }
  .band-cta { transform: translateY(0); }
}

/* ---------- client catalogue screenshots, used exactly as supplied ---------- */
.catalog-shot { background: #fff; }
.catalog-shot img { width: 100%; height: auto; }

.rail-second {
  display: block; margin-top: 14px; text-align: center; text-decoration: none;
  font: 700 .8rem/1 var(--body); color: var(--gold);
}
.rail-second:hover { color: var(--gold-deep); text-decoration: underline; }
.foot-legal { color: #fff; font-size: .8rem; }

/* inline contextual links into the advertiser's own pages, styled as citations
   rather than buttons so the body copy still reads as an article */
.adv-inline {
  color: var(--gold); text-decoration: underline; text-underline-offset: 3px;
  text-decoration-thickness: 1px; font-weight: 600;
}
.adv-inline:hover { color: var(--gold-deep); text-decoration-thickness: 2px; }