/* =====================================================================
   Adern — Public marketing site (Light theme)
   Inspired by bilty-app: white base, blue accent (#0B5CD5), black text.
   Clean, robust, professional — built to convert.
   ===================================================================== */

/* ─────────────────────────────────────────────────────────────  tokens */
:root {
  /* Surfaces */
  --bg:           #ffffff;
  --bg-elev-1:    #f8fafc;      /* very light gray-blue */
  --bg-elev-2:    #ffffff;      /* card surface          */
  --bg-elev-3:    #f1f5f9;      /* alt section bg        */
  --bg-tinted:    #f0f6ff;      /* subtle blue tint      */

  /* Borders */
  --border:        rgba(15, 23, 42, .08);
  --border-strong: rgba(15, 23, 42, .15);

  /* Text */
  --text:      #0f172a;          /* near-black headings/body */
  --text-mute: #475569;          /* mid gray body            */
  --text-dim:  #94a3b8;          /* light gray captions      */

  /* Brand (var names preserved so existing HTML/inline styles still resolve) */
  --neon:      #0B5CD5;          /* primary blue (bilty)     */
  --neon-2:    #084DB5;          /* deep blue                */
  --neon-3:    #1D6FE0;          /* hover/lighter blue       */
  --accent-2:  #F0AD4E;          /* gold for occasional accent */

  --neon-glow:    0 14px 36px -10px rgba(11, 92, 213, .35);
  --neon-glow-sm: 0 4px  14px -2px  rgba(11, 92, 213, .25);

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);
  --shadow-md:  0 4px 16px -4px rgba(15,23,42,.08), 0 2px 6px -2px rgba(15,23,42,.05);
  --shadow-lg:  0 20px 40px -16px rgba(15,23,42,.15), 0 8px 16px -8px rgba(15,23,42,.06);

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 18px;

  --maxw: 1200px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.adern-public {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Very subtle blue tint behind the hero only */
body.adern-public::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(800px 500px at 10% -10%, rgba(11,92,213,.05), transparent 70%),
    radial-gradient(700px 400px at 95% 0%,  rgba(11,92,213,.04), transparent 70%);
  z-index: 0;
  pointer-events: none;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--neon); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--neon-2); }

h1,h2,h3,h4,h5 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p  { margin: 0 0 1rem; color: var(--text-mute); }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 1;
}

/* ─────────────────────────────────────────────────────────  navbar */
.ad-nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.ad-nav__inner {
  display: flex; align-items: center; gap: 2rem;
  padding: .85rem 0;
}
.ad-brand {
  display: inline-flex; align-items: center; gap: .55rem;
  font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em;
  color: var(--text);
}
.ad-brand__mark {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  color: #fff; font-weight: 900;
  box-shadow: var(--neon-glow-sm);
}
.ad-nav__links {
  display: flex; gap: 1.5rem; margin-left: auto;
}
.ad-nav__links a {
  color: var(--text-mute);
  font-weight: 500;
  font-size: .95rem;
}
.ad-nav__links a:hover, .ad-nav__links a.is-active { color: var(--neon); }
.ad-nav__cta { margin-left: 1rem; }
.ad-burger {
  display: none; background: transparent; border: none;
  color: var(--text); font-size: 1.5rem; cursor: pointer; padding: .25rem .5rem;
}
@media (max-width: 880px) {
  .ad-nav__links { display: none; }
  .ad-nav__links.is-open {
    display: flex;
    position: absolute; inset: 100% 0 auto 0;
    flex-direction: column;
    background: #fff;
    padding: 1rem 1.25rem; gap: .85rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .ad-burger { display: inline-flex; }
  .ad-nav__cta { display: none; }
  .ad-nav__inner { position: relative; }
}

/* ─────────────────────────────────────────────────────────  buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .45rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;          /* fully pill — soft UI everywhere */
  font-weight: 600;
  font-size: .98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--neon);
  color: #fff;
  box-shadow: var(--neon-glow-sm);
}
.btn--primary:hover {
  background: var(--neon-2);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--neon-glow);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn--ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
  background: rgba(11, 92, 213, .04);
}
.btn--sm { padding: .55rem 1.1rem; font-size: .9rem; }

/* ─────────────────────────────────────────────────────────  hero */
.ad-hero {
  padding: 6rem 0 4rem;
  position: relative;
}
.ad-hero__eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem .9rem;
  border-radius: 999px;
  background: rgba(11, 92, 213, .07);
  border: 1px solid rgba(11, 92, 213, .18);
  color: var(--neon);
  font-size: .82rem; font-weight: 600;
  margin-bottom: 1.5rem;
}
.ad-hero__eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px rgba(11,92,213,.5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50%     { opacity: .35; }
}
.ad-hero h1 {
  max-width: 18ch;
  color: var(--text);
}
.ad-hero h1 .accent {
  background: linear-gradient(120deg, var(--neon), var(--neon-2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.ad-hero__sub {
  max-width: 56ch;
  font-size: 1.15rem;
  color: var(--text-mute);
  margin-bottom: 2rem;
}
.ad-hero__ctas {
  display: flex; gap: .85rem; flex-wrap: wrap;
}
.ad-hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.ad-stat__num {
  font-size: 2rem; font-weight: 800;
  color: var(--text);
  font-feature-settings: "tnum";
}
.ad-stat__num .unit { color: var(--neon); }
.ad-stat__lab { font-size: .82rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .08em; }
@media (max-width: 700px) {
  .ad-hero__stats { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}

/* ─────────────────────────────────────────────────────────  section */
.ad-section {
  padding: 5rem 0;
  position: relative;
}
.ad-section--tight { padding: 3.5rem 0; }
.ad-section--alt   { background: var(--bg-elev-1); }
.ad-section__head {
  text-align: center;
  margin-bottom: 3rem;
}
.ad-section__eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .16em;
  color: var(--neon);
  margin-bottom: .85rem;
}
.ad-section__title { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: .6rem; color: var(--text); }
.ad-section__sub   { max-width: 60ch; margin: 0 auto; color: var(--text-mute); font-size: 1.05rem; }

/* ─────────────────────────────────────────────────────────  service grid */
.ad-grid {
  display: grid;
  gap: 1.25rem;
}
.ad-grid--3 { grid-template-columns: repeat(3, 1fr); }
.ad-grid--2 { grid-template-columns: repeat(2, 1fr); }
.ad-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .ad-grid--3, .ad-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .ad-grid--3, .ad-grid--4, .ad-grid--2 { grid-template-columns: 1fr; }
}

.ad-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
/* Card hero image — bleeds to card edges */
.ad-card__image {
  margin: -1.75rem -1.75rem 1.25rem;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-3);
}
.ad-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.ad-card:hover .ad-card__image img { transform: scale(1.04); }
.ad-card:hover {
  border-color: rgba(11, 92, 213, .35);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.ad-card__icon {
  --tint: var(--neon);
  width: 56px; height: 56px;
  display: inline-flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--tint) 10%, white);
  border: 1px solid color-mix(in srgb, var(--tint) 22%, white);
  border-radius: 14px;
  color: var(--tint);
  margin-bottom: 1.25rem;
  transition: transform .2s ease, background .2s ease;
}
.ad-card:hover .ad-card__icon {
  transform: scale(1.06);
  background: color-mix(in srgb, var(--tint) 16%, white);
}

/* Image overlay icon badge — floats top-right of card hero images */
.ad-card__image { position: relative; }
.ad-card__image-badge {
  position: absolute;
  top: .75rem; right: .75rem;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  color: var(--tint, var(--neon));
  box-shadow: 0 6px 18px -4px rgba(15,23,42,.18);
  z-index: 1;
}

/* Card accent — soft gradient strip on the bottom edge */
.ad-card--accent { position: relative; }
.ad-card--accent::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--tint, var(--neon)), transparent);
  opacity: 0;
  transition: opacity .25s ease;
}
.ad-card--accent:hover::after { opacity: 1; }
.ad-card--accent .ad-card__more { color: var(--tint, var(--neon)); }
.ad-card h3 { font-size: 1.25rem; margin: 0 0 .5rem; color: var(--text); }
.ad-card__body { color: var(--text-mute); font-size: .95rem; }
.ad-card__more {
  display: inline-flex; align-items: center; gap: .35rem;
  margin-top: 1.1rem;
  font-weight: 600; font-size: .9rem;
  color: var(--neon);
}
.ad-card__features {
  list-style: none; padding: 0; margin: 1rem 0 0;
  display: grid; gap: .45rem;
}
.ad-card__features li {
  font-size: .9rem; color: var(--text-mute);
  display: flex; align-items: flex-start; gap: .55rem;
}
.ad-card__features li::before {
  content: "✓"; color: var(--neon); font-weight: 700;
}

/* ─────────────────────────────────────────────────────────  plans */
.ad-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}
@media (max-width: 980px) { .ad-plans { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; } }

.ad-plan {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  display: flex; flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.ad-plan:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.ad-plan--popular {
  border-color: var(--neon);
  box-shadow: 0 0 0 1px var(--neon), 0 20px 40px -16px rgba(11, 92, 213, .25);
  background: linear-gradient(180deg, #f0f6ff, #ffffff);
}
.ad-plan__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--neon); color: #fff;
  padding: .3rem .95rem; border-radius: 999px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em;
  box-shadow: var(--neon-glow-sm);
}
.ad-plan h3 { font-size: 1.4rem; margin-bottom: .25rem; color: var(--text); }
.ad-plan__tag { color: var(--text-mute); font-size: .95rem; margin-bottom: 1.25rem; }
.ad-plan__price {
  display: flex; align-items: baseline; gap: .5rem;
  margin: 1rem 0 1.5rem;
}
.ad-plan__amount { font-size: 2.4rem; font-weight: 800; color: var(--text); letter-spacing: -0.03em; }
.ad-plan__period { color: var(--text-mute); font-size: .9rem; }
.ad-plan__features {
  list-style: none; padding: 0; margin: 0 0 1.75rem;
  display: grid; gap: .75rem;
  flex: 1;
}
.ad-plan__features li {
  display: flex; align-items: flex-start; gap: .65rem;
  font-size: .95rem; color: var(--text);
}
.ad-plan__features li::before {
  content: "✓"; color: var(--neon); font-weight: 700;
  margin-top: 1px;
}
.ad-plan .btn { width: 100%; }

/* ─────────────────────────────────────────────────────────  testimonials (legacy card style, kept for /blog etc.) */
.ad-testi {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.ad-testi__quote {
  font-size: 1.05rem; color: var(--text);
  line-height: 1.65;
  margin: 0 0 1.5rem;
}
.ad-testi__author {
  display: flex; align-items: center; gap: .85rem;
}
.ad-testi__avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  color: #fff; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
  box-shadow: var(--neon-glow-sm);
}
.ad-testi__name { color: var(--text); font-weight: 600; font-size: .98rem; }
.ad-testi__role { color: var(--text-mute); font-size: .85rem; }
.ad-testi__stars { color: var(--accent-2); margin-bottom: 1rem; letter-spacing: .15em; font-size: .95rem; }

/* ─────────────────────────────────────────────────────────  fanned project cards (homepage) */
.ad-fan-wrap {
  padding: 4rem 0 2rem;
  position: relative;
}
.ad-fan {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center; justify-content: center;
  padding: 50px 0 30px;
  perspective: 1200px;
}
.ad-fan__card {
  --rot: 0deg;
  --tx:  0px;
  --ty:  0px;
  position: absolute;
  width:  220px;
  height: 285px;
  border-radius: 28px;
  overflow: hidden;
  background: #fff;
  border: 4px solid #fff;
  box-shadow: 0 14px 32px -8px rgba(15,23,42,.18), 0 4px 12px rgba(15,23,42,.06);
  transform: rotate(var(--rot)) translate(var(--tx), var(--ty));
  transition: transform .45s cubic-bezier(.18,.85,.32,1), box-shadow .3s ease;
  cursor: pointer;
  text-decoration: none;
  display: block;
}
.ad-fan__card img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.ad-fan__card:hover {
  /* Lift, straighten, scale */
  transform: translate(var(--tx), calc(var(--ty) - 26px)) rotate(0deg) scale(1.06);
  z-index: 50 !important;
  box-shadow:
    0 30px 60px -12px rgba(15,23,42,.30),
    0 10px 25px -8px  rgba(11,92,213,.20);
}

/* Black pill tooltip with the project name */
.ad-fan__card::after {
  content: attr(data-name);
  position: absolute;
  top: -46px;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: #0f172a;
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  box-shadow: 0 8px 20px -4px rgba(15,23,42,.35);
  letter-spacing: -.005em;
}
.ad-fan__card::before {                       /* tooltip arrow */
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 0; height: 0;
  border: 5px solid transparent;
  border-top-color: #0f172a;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}
.ad-fan__card:hover::after,
.ad-fan__card:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Mobile fallback — horizontal scroll row */
@media (max-width: 920px) {
  .ad-fan {
    height: auto;
    overflow-x: auto; overflow-y: visible;
    justify-content: flex-start;
    padding: 24px 1rem;
    gap: 1rem;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }
  .ad-fan__card {
    position: relative;
    width: 190px; height: 250px;
    flex-shrink: 0;
    transform: none !important;
    scroll-snap-align: start;
  }
  .ad-fan__card:hover { transform: translateY(-8px) !important; }
  .ad-fan__card::after, .ad-fan__card::before { display: none; }
}

/* ─────────────────────────────────────────────────────────  testimonials (NEW collage layout — homepage) */
.ad-testi-section { padding: 5rem 0 6rem; }

.ad-testi-band {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: end;
  margin-bottom: 4.5rem;
}
@media (max-width: 980px) {
  .ad-testi-band { grid-template-columns: 1fr; align-items: center; }
}

.ad-collage {
  display: grid;
  gap: .75rem;
}
.ad-collage--left  { grid-template-columns: repeat(5, 1fr); }
.ad-collage--right { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .ad-collage--left, .ad-collage--right { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 600px) {
  .ad-collage--left, .ad-collage--right { grid-template-columns: repeat(3, 1fr); }
}

.ad-col {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.ad-col img {
  width: 100%;
  border-radius: 20px;
  object-fit: cover;
  display: block;
  background: var(--bg-elev-3);
  transition: transform .4s ease;
}
.ad-col img:hover { transform: scale(1.02); }

/* aspect heights for collage photos */
.h-100 { height: 100px; }
.h-110 { height: 110px; }
.h-130 { height: 130px; }
.h-140 { height: 140px; }
.h-150 { height: 150px; }
.h-160 { height: 160px; }
.h-170 { height: 170px; }
.h-180 { height: 180px; }
.h-200 { height: 200px; }
.h-220 { height: 220px; }
.h-260 { height: 260px; }
.h-340 { height: 340px; }
@media (max-width: 980px) {
  .h-100,.h-110,.h-130,.h-140 { height: 90px; }
  .h-150,.h-160,.h-170,.h-180 { height: 120px; }
  .h-200,.h-220              { height: 150px; }
  .h-260,.h-340              { height: 200px; }
}

.ad-testi-headblock {
  text-align: center;
  padding: 0 1.5rem 1.5rem;
  max-width: 520px;
  margin: 0 auto;
}
.ad-testi-chip {
  display: inline-block;
  padding: .5rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: #fff;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1.75rem;
}
.ad-testi-headblock h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  line-height: 1.1;
  font-weight: 700;
  margin: 0;
  letter-spacing: -.02em;
}
.ad-testi-headblock h2 .muted {
  color: var(--text-dim);
  display: block;
}

/* 3-up testimonials grid below the collage band */
.ad-testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
@media (max-width: 880px) { .ad-testi-grid { grid-template-columns: 1fr; gap: 2rem; } }

.ad-testi-card { padding: 0; }
.ad-testi-card__stars {
  color: var(--accent-2);
  font-size: 1.05rem;
  letter-spacing: .14em;
  margin-bottom: 1rem;
}
.ad-testi-card__quote {
  color: var(--text);
  font-size: .94rem;
  line-height: 1.65;
  margin-bottom: 1.75rem;
}
.ad-testi-card__author { display: flex; align-items: center; gap: .85rem; }
.ad-testi-card__avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-elev-3);
}
.ad-testi-card__name { font-weight: 700; color: var(--text); font-size: .95rem; }
.ad-testi-card__role { color: var(--text-mute); font-size: .85rem; margin-top: .15rem; }

/* ─────────────────────────────────────────────────────────  FAQ */
.ad-faq {
  max-width: 760px; margin: 0 auto;
  display: grid; gap: .75rem;
}
.ad-faq__item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.ad-faq__item[open] {
  border-color: rgba(11, 92, 213, .3);
  box-shadow: 0 0 0 1px rgba(11, 92, 213, .15), var(--shadow-sm);
}
.ad-faq__q {
  cursor: pointer; padding: 1.1rem 1.25rem;
  font-weight: 600; color: var(--text);
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 1rem;
}
.ad-faq__q::-webkit-details-marker { display: none; }
.ad-faq__q::after {
  content: "+"; font-size: 1.3rem; color: var(--neon); font-weight: 300;
  transition: transform .2s ease;
}
.ad-faq__item[open] .ad-faq__q::after { content: "−"; transform: rotate(180deg); }
.ad-faq__a {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-mute);
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}
.ad-faq__a p:first-child { margin-top: 0; }
.ad-faq__a p:last-child  { margin-bottom: 0; }

/* ─────────────────────────────────────────────────────────  portfolio */
.ad-pf {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem;
}
@media (max-width: 800px) { .ad-pf { grid-template-columns: 1fr; } }
.ad-pf__item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .25s ease, border-color .2s ease, box-shadow .2s ease;
  box-shadow: var(--shadow-sm);
}
.ad-pf__item:hover { transform: translateY(-4px); border-color: rgba(11, 92, 213, .3); box-shadow: var(--shadow-lg); }
.ad-pf__cover {
  aspect-ratio: 16/9;
  background: var(--bg-elev-3);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}
.ad-pf__cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.ad-pf__item:hover .ad-pf__cover img { transform: scale(1.04); }
.ad-pf__cover::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,92,213,0) 60%, rgba(15,23,42,.18));
  pointer-events: none;
}
.ad-pf__body { padding: 1.5rem; }
.ad-pf__cat {
  display: inline-block;
  font-size: .7rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--neon);
  background: rgba(11, 92, 213, .07);
  padding: .25rem .65rem; border-radius: 6px;
  margin-bottom: .85rem;
  font-weight: 700;
}
.ad-pf__title { font-size: 1.25rem; color: var(--text); margin-bottom: .5rem; }
.ad-pf__sum   { color: var(--text-mute); font-size: .95rem; }

/* ─────────────────────────────────────────────────────────  blog */
.ad-post {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  box-shadow: var(--shadow-sm);
}
.ad-post:hover { transform: translateY(-3px); border-color: rgba(11, 92, 213, .3); box-shadow: var(--shadow-lg); }
.ad-post__cover {
  aspect-ratio: 16/9;
  background: var(--bg-elev-3);
  overflow: hidden;
  position: relative;
}
.ad-post__cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.ad-post:hover .ad-post__cover img { transform: scale(1.04); }
.ad-post__body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.ad-post__cat {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--neon); font-weight: 700; margin-bottom: .65rem;
}
.ad-post__title { font-size: 1.2rem; color: var(--text); margin-bottom: .5rem; }
.ad-post__sum { color: var(--text-mute); font-size: .92rem; flex: 1; }
.ad-post__meta {
  margin-top: 1.25rem;
  display: flex; gap: 1rem; align-items: center;
  font-size: .82rem; color: var(--text-dim);
}

/* ─────────────────────────────────────────────────────────  CTA band */
.ad-cta {
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--neon-glow);
}
.ad-cta::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(400px 200px at 15% 0%, rgba(255,255,255,.15), transparent 70%),
    radial-gradient(400px 200px at 85% 100%, rgba(255,255,255,.12), transparent 70%);
  pointer-events: none;
}
.ad-cta h2 { font-size: clamp(1.6rem, 2.5vw, 2.2rem); margin-bottom: 1rem; position: relative; color: #fff; }
.ad-cta p  { max-width: 60ch; margin: 0 auto 1.75rem; font-size: 1.05rem; position: relative; color: rgba(255,255,255,.92); }
.ad-cta .btn { position: relative; }
.ad-cta .btn--primary { background: #fff; color: var(--neon); }
.ad-cta .btn--primary:hover { background: #fff; color: var(--neon-2); transform: translateY(-1px); }
.ad-cta .btn--ghost { color: #fff; border-color: rgba(255,255,255,.4); }
.ad-cta .btn--ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.1); }

/* ─────────────────────────────────────────────────────────  forms */
.ad-form {
  display: grid; gap: 1.1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}
.ad-form__row { display: grid; gap: 1.1rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 700px) { .ad-form__row { grid-template-columns: 1fr; } }
.ad-form label {
  font-size: .82rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: .4rem;
  display: block;
}
.ad-form .req { color: var(--neon); }
.ad-form input, .ad-form textarea, .ad-form select {
  width: 100%;
  background: #fff;
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: .85rem 1rem;
  border-radius: var(--radius-sm);
  font-family: inherit; font-size: .97rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.ad-form input:focus, .ad-form textarea:focus, .ad-form select:focus {
  outline: none;
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(11, 92, 213, .15);
}
.ad-form textarea { min-height: 130px; resize: vertical; }
.ad-form__note { font-size: .82rem; color: var(--text-dim); }
.ad-form__msg {
  padding: .85rem 1rem; border-radius: var(--radius-sm);
  font-size: .9rem;
}
.ad-form__msg--ok   { background: rgba(16, 185, 129, .08); border: 1px solid rgba(16,185,129, .3); color: #047857; }
.ad-form__msg--err  { background: rgba(220, 38, 38, .06);  border: 1px solid rgba(220,38,38, .25);  color: #b91c1c; }

/* honeypot — always hidden */
.ad-hp, .adern-hp { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* ─────────────────────────────────────────────────────────  prose (about/terms/privacy) */
.ad-prose {
  max-width: 760px; margin: 0 auto;
}
.ad-prose h2 { margin-top: 2.5rem; font-size: 1.5rem; color: var(--text); }
.ad-prose h3 { margin-top: 1.75rem; font-size: 1.2rem; color: var(--text); }
.ad-prose p  { color: var(--text); font-size: 1rem; line-height: 1.75; }
.ad-prose ul, .ad-prose ol { padding-left: 1.5rem; color: var(--text); }
.ad-prose li { margin-bottom: .35rem; }
.ad-prose a  { color: var(--neon); text-decoration: underline; text-decoration-color: rgba(11, 92, 213, .35); }
.ad-prose blockquote {
  border-left: 3px solid var(--neon);
  padding-left: 1rem; margin: 1.5rem 0;
  color: var(--text-mute); font-style: italic;
}
.ad-prose img { border-radius: var(--radius); margin: 1.5rem 0; }
.ad-prose code { background: var(--bg-elev-3); padding: .15em .4em; border-radius: 4px; font-size: .92em; color: var(--neon-2); font-family: var(--font-mono); }
.ad-prose pre  { background: var(--bg-elev-3); padding: 1rem; border-radius: var(--radius); overflow-x: auto; }
.ad-prose table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
.ad-prose table th, .ad-prose table td { padding: .55rem .65rem; border-bottom: 1px solid var(--border); text-align: left; }
.ad-prose table th { color: var(--text); }

/* ─────────────────────────────────────────────────────────  footer */
.ad-footer {
  background: #0f172a;
  color: rgba(255,255,255,.75);
  margin-top: 5rem;
  padding: 4rem 0 2rem;
  position: relative; z-index: 1;
}
.ad-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 800px) { .ad-footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 480px) { .ad-footer__grid { grid-template-columns: 1fr; } }
.ad-footer .ad-brand { color: #fff; }
.ad-footer__about p { color: rgba(255,255,255,.6); font-size: .92rem; max-width: 40ch; }
.ad-footer__head {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .14em;
  color: rgba(255,255,255,.5); margin-bottom: 1rem; font-weight: 700;
}
.ad-footer__links { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.ad-footer__links a { color: rgba(255,255,255,.7); font-size: .93rem; }
.ad-footer__links a:hover { color: #fff; }
.ad-footer__social { display: flex; gap: .65rem; margin-top: 1.25rem; }
.ad-footer__social a {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  color: rgba(255,255,255,.7);
  transition: all .15s ease;
  font-size: 1.05rem;
}
.ad-footer__social a:hover {
  color: #fff;
  background: var(--neon);
  border-color: var(--neon);
}
.ad-footer__bot {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  font-size: .85rem; color: rgba(255,255,255,.55);
}
.ad-footer__bot a { color: rgba(255,255,255,.7); margin-left: 1rem; }
.ad-footer__bot a:hover { color: #fff; }

/* ─────────────────────────────────────────────────────────  page header */
.ad-pagehead {
  padding: 5rem 0 3rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-tinted), #fff);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.ad-pagehead h1 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: .85rem; color: var(--text); }
.ad-pagehead p  { font-size: 1.1rem; max-width: 60ch; margin: 0 auto; color: var(--text-mute); }
.ad-crumbs { font-size: .85rem; color: var(--text-dim); margin-bottom: 1rem; }
.ad-crumbs a { color: var(--text-mute); }
.ad-crumbs a:hover { color: var(--neon); }
.ad-crumbs span { margin: 0 .35rem; color: var(--text-dim); }

/* ─────────────────────────────────────────────────────────  contact info */
.ad-contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; }
@media (max-width: 880px) { .ad-contact-grid { grid-template-columns: 1fr; } }
.ad-contact-info { display: grid; gap: 1.25rem; align-content: start; }
.ad-contact-info__item {
  display: flex; gap: 1rem; align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}
.ad-contact-info__icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(11, 92, 213, .08); border: 1px solid rgba(11, 92, 213, .18);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--neon); font-size: 1.15rem; flex-shrink: 0;
}
.ad-contact-info__label { font-size: .76rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .12em; font-weight: 600; }
.ad-contact-info__val   { color: var(--text); font-size: 1rem; }
.ad-contact-info__val a { color: var(--text); }
.ad-contact-info__val a:hover { color: var(--neon); }

/* ─────────────────────────────────────────────────────────  tech grid */
.ad-techgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}
.ad-tech {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 1.4rem 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.ad-tech:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 92, 213, .3);
  box-shadow: var(--shadow-md);
}
.ad-tech__dot {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: .85rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.ad-tech__name { font-weight: 600; color: var(--text); font-size: .95rem; }
.ad-tech__cat  { font-size: .7rem; color: var(--text-dim); margin-top: .25rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 600; }

.ad-techcat {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .16em;
  color: var(--neon); font-weight: 700; margin: 2.5rem 0 1rem;
  display: flex; align-items: center; gap: 1rem;
}
.ad-techcat::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ─────────────────────────────────────────────────────────  clients strip */
.ad-clients {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}
.ad-client {
  padding: 1.5rem 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
  box-shadow: var(--shadow-sm);
}
.ad-client__logo {
  width: 56px; height: 56px;
  border-radius: 12px;
  overflow: hidden;
  margin: 0 auto .75rem;
  background: var(--bg-elev-3);
  border: 1px solid var(--border);
}
.ad-client__logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ad-client:hover { border-color: rgba(11, 92, 213, .3); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.ad-client__name { color: var(--text); font-weight: 600; font-size: 1rem; letter-spacing: -.01em; }
.ad-client__ind  { color: var(--text-dim); font-size: .78rem; margin-top: .25rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }

/* ─────────────────────────────────────────────────────────  bento "Why Adern" grid */
.ad-bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 170px;
  gap: 1rem;
}
@media (max-width: 980px) { .ad-bento { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 160px; } }
@media (max-width: 620px) { .ad-bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; } }

.ad-bento__card {
  --tint: #0B5CD5;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ad-bento__card::before {
  content: "";
  position: absolute; inset: auto -50px -50px auto;
  width: 200px; height: 200px;
  background: radial-gradient(closest-side, var(--tint), transparent 70%);
  opacity: .08;
  pointer-events: none;
}
.ad-bento__card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--tint) 25%, transparent);
  box-shadow: var(--shadow-lg);
}

/* Variant: filled-tint card (used for the big "feature" card) */
.ad-bento__card--filled {
  background: linear-gradient(135deg, var(--tint), color-mix(in srgb, var(--tint) 80%, #000));
  border: none;
  color: #fff;
}
.ad-bento__card--filled::before { opacity: .2; background: radial-gradient(closest-side, #fff, transparent 70%); }
.ad-bento__card--filled .ad-bento__title { color: #fff; }
.ad-bento__card--filled .ad-bento__sub   { color: rgba(255,255,255,.85); }
.ad-bento__card--filled .ad-bento__icon  { background: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.25); }

.ad-bento__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--tint) 12%, white);
  border: 1px solid color-mix(in srgb, var(--tint) 22%, white);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--tint);
  margin-bottom: 1.1rem;
}
.ad-bento__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.015em;
  margin: 0 0 .35rem;
  line-height: 1.2;
}
.ad-bento__sub  { color: var(--text-mute); font-size: .9rem; margin: 0; }

/* Big stat card */
.ad-bento__stat {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--tint);
  letter-spacing: -.04em;
  line-height: 1;
  font-feature-settings: "tnum";
}
.ad-bento__stat .unit { font-size: .55em; opacity: .65; margin-left: .15em; font-weight: 700; }
.ad-bento__label {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--text-dim);
  margin-top: 1rem;
}

/* Span helpers — by default each card is 2×1 on the 6-col grid */
.ad-bento__card { grid-column: span 2; grid-row: span 1; }
.ad-bento__card--lg   { grid-column: span 4; grid-row: span 2; }
.ad-bento__card--wide { grid-column: span 4; grid-row: span 1; }
.ad-bento__card--tall { grid-column: span 2; grid-row: span 2; }

@media (max-width: 980px) {
  .ad-bento__card--lg   { grid-column: span 4; grid-row: span 2; }
  .ad-bento__card--wide { grid-column: span 4; }
  .ad-bento__card--tall { grid-column: span 2; grid-row: span 2; }
}
@media (max-width: 620px) {
  .ad-bento__card, .ad-bento__card--lg, .ad-bento__card--wide, .ad-bento__card--tall {
    grid-column: span 2; grid-row: span 1;
  }
  .ad-bento__card--lg, .ad-bento__card--tall { grid-row: span 2; }
}

/* ─────────────────────────────────────────────────────────  solution cards */
.ad-sols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (max-width: 800px) { .ad-sols { grid-template-columns: 1fr; } }
.ad-sol {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, border-color .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.ad-sol__cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-3);
}
.ad-sol__cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.ad-sol:hover .ad-sol__cover img { transform: scale(1.04); }
.ad-sol__inner {
  padding: 2rem;
  display: flex; flex-direction: column; flex: 1;
}
.ad-sol::before {
  content: "";
  position: absolute; inset: -2px -2px auto auto;
  width: 200px; height: 200px;
  background: radial-gradient(closest-side, var(--accent, var(--neon)) 0%, transparent 70%);
  opacity: .07;
  pointer-events: none;
}
.ad-sol:hover { transform: translateY(-4px); border-color: rgba(11, 92, 213, .3); box-shadow: var(--shadow-lg); }
.ad-sol__industry {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--accent, var(--neon));
  font-weight: 700; margin-bottom: 1rem;
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .3rem .75rem;
  background: rgba(11, 92, 213, .07);
  border-radius: 999px;
  border: 1px solid rgba(11, 92, 213, .18);
}
.ad-sol h3 { font-size: 1.4rem; margin-bottom: .35rem; color: var(--text); }
.ad-sol__tag { color: var(--text-mute); font-size: 1rem; margin-bottom: 1.25rem; }
.ad-sol__summary { color: var(--text); font-size: .95rem; flex: 1; }
.ad-sol__feats {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin: 1.25rem 0 1.5rem;
}
.ad-sol__feat {
  font-size: .77rem;
  padding: .3rem .7rem;
  background: var(--bg-elev-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-weight: 500;
}
.ad-sol__cta { display: flex; gap: .65rem; flex-wrap: wrap; }

/* ─────────────────────────────────────────────────────────  integrations */
.ad-ints {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.ad-int {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  box-shadow: var(--shadow-sm);
}
.ad-int:hover { transform: translateY(-2px); border-color: rgba(11, 92, 213, .3); box-shadow: var(--shadow-md); }
.ad-int__head { display: flex; align-items: center; gap: .85rem; margin-bottom: .65rem; }
.ad-int__dot {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--accent, var(--neon));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: .95rem;
  overflow: hidden;
  flex-shrink: 0;
}
.ad-int__dot img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.ad-int__name { color: var(--text); font-weight: 600; }
.ad-int__sum  { color: var(--text-mute); font-size: .87rem; line-height: 1.5; }

/* ─────────────────────────────────────────────────────────  floating CTA pill */
.ad-fab {
  position: fixed;
  right: 1.25rem; bottom: 1.25rem;
  z-index: 80;
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.4rem;
  border-radius: 999px;
  background: var(--neon);
  color: #fff;
  font-weight: 600;
  font-size: .92rem;
  box-shadow: 0 10px 30px -8px rgba(11, 92, 213, .45), 0 0 0 4px rgba(11, 92, 213, .08);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  text-decoration: none;
}
.ad-fab:hover {
  transform: translateY(-2px) scale(1.02);
  background: var(--neon-2);
  color: #fff;
  box-shadow: 0 15px 40px -10px rgba(11, 92, 213, .55), 0 0 0 4px rgba(11, 92, 213, .12);
}
@media (max-width: 600px) {
  .ad-fab span.lbl { display: none; }
  .ad-fab { padding: .9rem; }
}

/* ─────────────────────────────────────────────────────────  mini CTA strip */
.ad-mini-cta {
  background: linear-gradient(135deg, #f0f6ff, #ffffff);
  border: 1px solid rgba(11, 92, 213, .15);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.ad-mini-cta::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(500px 250px at 90% 50%, rgba(11, 92, 213, .08), transparent 70%);
  pointer-events: none;
}
@media (max-width: 800px) { .ad-mini-cta { grid-template-columns: 1fr; } }
.ad-mini-cta h3 { font-size: 1.6rem; margin-bottom: .5rem; position: relative; color: var(--text); }
.ad-mini-cta p  { color: var(--text-mute); position: relative; margin-bottom: 0; }
.ad-mini-cta__form {
  display: flex; gap: .5rem;
  position: relative;
}
.ad-mini-cta__form input {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: .85rem 1rem;
  border-radius: 10px;
  font-size: .95rem;
}
.ad-mini-cta__form input:focus {
  outline: none;
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(11, 92, 213, .15);
}

/* utility */
.ad-center { text-align: center; }
.ad-mt-4   { margin-top: 4rem; }
.visually-hidden {
  border: 0; clip: rect(0 0 0 0); height: 1px; width: 1px; margin: -1px;
  overflow: hidden; padding: 0; position: absolute;
}