/* =========================================================
   Semantic Ai — Landing Page Styles
   Palette: Indigo (deep indigo → royal indigo → periwinkle)
   Tuned to the Semantic Ai logo
   Built on Bootstrap 5
   ========================================================= */

:root {
  --ac-navy:        #15123d;
  --ac-navy-2:      #1d1a55;
  --ac-blue:        #3f3fd1;
  --ac-blue-600:    #3232b8;
  --ac-blue-400:    #6366e8;
  --ac-sky:         #9aa0f7;
  --ac-sky-soft:    #e7e8fd;
  --ac-bg:          #f5f6ff;
  --ac-text:        #1e1b3a;
  --ac-muted:       #6b6a86;
  --ac-border:      #e4e3f2;
  --ac-white:       #ffffff;
  --ac-grad:        linear-gradient(135deg, #3232b8 0%, #3f3fd1 45%, #6366e8 100%);
  --ac-grad-dark:   linear-gradient(150deg, #15123d 0%, #1d1a55 55%, #2e2b8f 100%);
  --ac-shadow:      0 18px 45px -20px rgba(63, 63, 209, .45);
  --ac-shadow-sm:   0 10px 30px -15px rgba(21, 18, 61, .35);
  --ac-radius:      18px;
}

* { scroll-behavior: smooth; }

body {
  font-family: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ac-text);
  background: var(--ac-white);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, .display-1, .display-2, .display-3, .display-4 {
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ac-navy);
}

.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

.text-gradient {
  background: var(--ac-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-muted-2 { color: var(--ac-muted) !important; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ac-blue);
  background: var(--ac-sky-soft);
  padding: .4rem .9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

/* ---------- Buttons ---------- */
.btn { font-weight: 600; border-radius: 12px; padding: .75rem 1.6rem; transition: all .25s ease; }
.btn-lg { padding: .9rem 2rem; font-size: 1.02rem; }

.btn-ac {
  background: var(--ac-grad);
  color: #fff;
  border: none;
  box-shadow: var(--ac-shadow);
}
.btn-ac:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 22px 50px -18px rgba(37,99,235,.6); }

.btn-outline-ac {
  border: 1.5px solid var(--ac-blue);
  color: var(--ac-blue);
  background: transparent;
}
.btn-outline-ac:hover { background: var(--ac-blue); color: #fff; transform: translateY(-2px); }

.btn-light-ac { background: #fff; color: var(--ac-blue); border: none; }
.btn-light-ac:hover { background: var(--ac-sky-soft); color: var(--ac-blue-600); transform: translateY(-2px); }

.btn-ghost-light {
  border: 1.5px solid rgba(255,255,255,.4);
  color: #fff; background: transparent;
}
.btn-ghost-light:hover { background: rgba(255,255,255,.12); color:#fff; }

/* ---------- Navbar ---------- */
.navbar {
  padding: .75rem 0;
  transition: all .3s ease;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  box-shadow: 0 6px 30px -20px rgba(21,18,61,.35);
  border-bottom: 1px solid var(--ac-border);
}
.navbar.scrolled {
  background: rgba(255,255,255,.98);
  box-shadow: 0 8px 34px -18px rgba(21,18,61,.45);
  padding: .5rem 0;
}
.navbar-brand { font-weight: 800; font-size: 1.4rem; color: var(--ac-navy); display:flex; align-items:center; gap:.55rem; padding:0; }
.brand-logo { height: 64px; width: auto; display: block; transition: height .3s ease; }
.navbar.scrolled .brand-logo { height: 54px; }
.navbar .nav-link { font-weight: 600; color: var(--ac-navy); margin: 0 .35rem; transition: color .2s; }
.navbar .nav-link:hover,
.navbar .nav-link.active { color: var(--ac-blue); }
.navbar-toggler { border-color: var(--ac-border); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ac-grad-dark);
  color: #fff;
  padding: 170px 0 110px;
  overflow: hidden;
}
.hero::before {
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(600px 300px at 85% 15%, rgba(96,165,250,.35), transparent 70%),
    radial-gradient(500px 280px at 10% 80%, rgba(37,99,235,.30), transparent 70%);
}
.hero .container { position: relative; z-index: 2; }
.hero h1 { color:#fff; font-size: clamp(2.4rem, 4.6vw, 3.7rem); line-height: 1.08; }
.hero p.lead { color: rgba(255,255,255,.82); font-size: 1.18rem; max-width: 540px; }
.hero .eyebrow { background: rgba(96,165,250,.18); color:#bfdbfe; }

.hero-grid-lines {
  position:absolute; inset:0; z-index:1; opacity:.4;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

/* Hero call-card mockup — frosted glass */
.call-card {
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 22px;
  padding: 24px;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow: 0 35px 80px -28px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.25);
}
.call-card .call-title { color: #fff; }
.call-card .ai-avatar {
  width: 54px; height:54px; border-radius:50%;
  background: var(--ac-grad);
  display:grid; place-items:center; color:#fff; font-size:1.4rem;
  position: relative; flex-shrink:0;
  box-shadow: 0 8px 20px -6px rgba(37,99,235,.7);
}
.pulse-ring { position:absolute; inset:-6px; border-radius:50%; border:2px solid var(--ac-sky); animation: pulse 1.8s ease-out infinite; }
@keyframes pulse { 0%{transform:scale(.85);opacity:.9} 100%{transform:scale(1.5);opacity:0} }

.wave { display:flex; align-items:center; gap:4px; height:38px; }
.wave span {
  width:4px; border-radius:4px; background: var(--ac-sky);
  animation: wave 1.1s ease-in-out infinite;
}
.wave span:nth-child(odd){ animation-delay:.2s }
.wave span:nth-child(3n){ animation-delay:.4s }
@keyframes wave { 0%,100%{height:10px;opacity:.5} 50%{height:32px;opacity:1} }

.chat-bubble {
  background: rgba(255,255,255,.10);
  border-radius: 14px; padding:.7rem .95rem; font-size:.9rem;
  color: rgba(255,255,255,.92); margin-bottom:.6rem; border:1px solid rgba(255,255,255,.14);
  max-width: 88%;
}
.chat-bubble.ai { background: rgba(96,165,250,.24); border-color: rgba(96,165,250,.45); color:#fff; margin-left:auto; }

.call-card .call-footer { border-top:1px solid rgba(255,255,255,.16); }

/* small frosted-glass floating chips */
.float-chip {
  position:absolute;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.24);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  color:#fff;
  border-radius:14px; padding:.6rem .9rem; font-weight:700; font-size:.8rem;
  box-shadow: 0 16px 38px -16px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.3);
  display:flex; align-items:center; gap:.5rem;
  animation: float 4s ease-in-out infinite; z-index:5;
}
.float-chip i { color: var(--ac-sky); font-size:1.1rem; }
.float-chip.c1 { top: -18px; right: 8px; }
.float-chip.c2 { bottom: -16px; left: 4px; animation-delay:1.2s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

/* ---------- Stats bar ---------- */
.stats-bar {
  margin-top: -55px; position: relative; z-index: 5;
}
.stats-card {
  background:#fff; border-radius: var(--ac-radius);
  box-shadow: var(--ac-shadow-sm); padding: 2rem 1rem;
}
.stat h3 { font-size: 2.4rem; color: var(--ac-blue); margin:0; }
.stat p { color: var(--ac-muted); margin:0; font-weight:600; font-size:.92rem; }
.stat { border-right:1px solid var(--ac-border); }
.stat:last-child { border-right:none; }
@media (max-width: 767px){ .stat{ border-right:none; border-bottom:1px solid var(--ac-border); padding:1rem 0;} .stat:last-child{border-bottom:none;} }

/* ---------- Cards ---------- */
.feature-card, .service-card, .module-card, .industry-card, .step-card {
  background:#fff;
  border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius);
  padding: 2rem;
  height: 100%;
  transition: all .3s ease;
}
.feature-card:hover, .service-card:hover, .module-card:hover, .industry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ac-shadow);
  border-color: transparent;
}
.feature-icon {
  width: 60px; height: 60px; border-radius: 16px;
  background: var(--ac-sky-soft); color: var(--ac-blue);
  display:grid; place-items:center; font-size: 1.6rem; margin-bottom: 1.25rem;
  transition: all .3s ease;
}
.feature-card:hover .feature-icon, .service-card:hover .feature-icon, .module-card:hover .feature-icon {
  background: var(--ac-grad); color:#fff; transform: scale(1.05) rotate(-4deg);
}
.feature-card h5, .service-card h5, .module-card h6 { color: var(--ac-navy); }

.tag-pill {
  display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.05em;
  color: var(--ac-blue); background: var(--ac-sky-soft);
  padding:.2rem .65rem; border-radius:999px; margin-bottom:.7rem;
}

/* ---------- Services (alt bg) ---------- */
.bg-soft { background: var(--ac-bg); }
.bg-navy { background: var(--ac-grad-dark); color:#fff; }
.bg-navy h2, .bg-navy h3, .bg-navy h4 { color:#fff; }
.bg-navy .eyebrow { background: rgba(96,165,250,.18); color:#bfdbfe; }

/* ---------- Platform modules grid ---------- */
.module-card { padding: 1.6rem; }
.module-card .feature-icon { width:48px; height:48px; font-size:1.25rem; border-radius:12px; margin-bottom:1rem; }

/* ---------- How it works steps ---------- */
.step-num {
  width:46px; height:46px; border-radius:50%;
  background: var(--ac-grad); color:#fff; font-weight:800;
  display:grid; place-items:center; font-size:1.1rem; box-shadow: var(--ac-shadow);
}
.step-card { position: relative; }

/* ---------- Industries ---------- */
.industry-card { padding:0; overflow:hidden; }
.industry-top { height: 130px; background: var(--ac-grad); display:grid; place-items:center; color:#fff; font-size:3rem; }
.industry-card:nth-child(2) .industry-top { background: linear-gradient(135deg,#0f2a52,#2563eb); }
.industry-card:nth-child(3) .industry-top { background: linear-gradient(135deg,#1d4ed8,#60a5fa); }
.industry-body { padding: 1.6rem; }

/* ---------- Integrations ---------- */
.integration-chip {
  background:#fff; border:1px solid var(--ac-border); border-radius:14px;
  padding:1rem 1.2rem; font-weight:700; color:var(--ac-navy);
  display:flex; align-items:center; gap:.6rem; height:100%;
  transition: all .25s ease;
}
.integration-chip i { color: var(--ac-blue); font-size:1.4rem; }
.integration-chip:hover { transform: translateY(-4px); box-shadow: var(--ac-shadow-sm); border-color: var(--ac-sky); }

/* ---------- Check list ---------- */
.check-list { list-style:none; padding:0; margin:0; }
.check-list li { display:flex; gap:.7rem; align-items:flex-start; margin-bottom:.85rem; color: var(--ac-text); }
.check-list li i { color: var(--ac-blue); margin-top:.2rem; flex-shrink:0; }
.bg-navy .check-list li { color: rgba(255,255,255,.85); }
.bg-navy .check-list li i { color: var(--ac-sky); }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ac-grad);
  border-radius: 28px;
  padding: 3.5rem;
  color:#fff; position:relative; overflow:hidden;
}
.cta-band::after {
  content:""; position:absolute; right:-60px; top:-60px;
  width:260px; height:260px; border-radius:50%;
  background: rgba(255,255,255,.12);
}
.cta-band h2 { color:#fff; }

/* ---------- Contact form ---------- */
.form-control, .form-select {
  border-radius: 12px; border:1.5px solid var(--ac-border); padding:.8rem 1rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--ac-blue); box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

/* ---------- Footer ---------- */
.footer { background: var(--ac-navy); color: rgba(255,255,255,.7); padding: 70px 0 30px; }
.footer h6 { color:#fff; font-weight:700; margin-bottom:1.1rem; letter-spacing:.02em; }
.footer a { color: rgba(255,255,255,.7); text-decoration:none; transition: color .2s; }
.footer a:hover { color: var(--ac-sky); }
.footer .navbar-brand { color:#fff; }
.footer .footer-brand {
  background:#fff; padding:.55rem .85rem; border-radius:14px;
  display:inline-flex; box-shadow: 0 10px 30px -16px rgba(0,0,0,.6);
}
.footer .footer-brand .brand-logo { height: 58px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); margin-top:2.5rem; padding-top:1.5rem; font-size:.88rem; }
.social-ic {
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background: rgba(255,255,255,.08); color:#fff; transition: all .25s;
}
.social-ic:hover { background: var(--ac-blue); color:#fff; transform: translateY(-3px); }

/* ---------- Reveal animation ---------- */
.reveal { opacity:0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity:1; transform: none; }

/* ---------- Active nav link ---------- */
.navbar .nav-link.active { color: var(--ac-blue); }

/* ---------- Enhanced hero graphic ---------- */
.hero-visual { position: relative; max-width: 460px; margin: 0 auto; padding: 36px 24px; }
.hero-visual .call-card { position: relative; z-index: 4; }
.hero-visual .float-chip { z-index: 5; }

.hero-glow {
  position: absolute; inset: 0; margin: auto;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,.55) 0%, rgba(37,99,235,.20) 55%, transparent 72%);
  filter: blur(6px); z-index: 0;
  animation: glowPulse 5.5s ease-in-out infinite;
}
@keyframes glowPulse { 0%,100%{ transform: scale(1); opacity:.85 } 50%{ transform: scale(1.13); opacity:1 } }

.hero-rings {
  position: absolute; inset: 0; margin: auto;
  width: 460px; height: 460px; z-index: 1; opacity: .55;
  animation: spin 48s linear infinite;
}
.hero-rings .r2 { animation: spin 32s linear infinite reverse; transform-box: fill-box; transform-origin: center; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-orbit {
  position: absolute; z-index: 3;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.24);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  display: grid; place-items: center;
  color: var(--ac-sky); font-size: 1.15rem;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.3);
  animation: float 4.5s ease-in-out infinite;
}
.hero-orbit.o1 { top: 14%; left: -6px; animation-delay:.3s; }
.hero-orbit.o2 { bottom: 18%; right: -4px; animation-delay:1.5s; }
.float-chip.c3 { top: 46%; right: -22px; animation-delay:.8s; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  background: var(--ac-grad-dark);
  color: #fff;
  padding: 160px 0 70px;
  overflow: hidden;
}
.page-hero::before {
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(600px 280px at 88% 10%, rgba(96,165,250,.32), transparent 70%),
    radial-gradient(460px 240px at 8% 90%, rgba(37,99,235,.28), transparent 70%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color:#fff; }
.page-hero p.lead { color: rgba(255,255,255,.82); max-width: 640px; }
.breadcrumb-ac { font-size:.85rem; font-weight:600; margin-bottom:1rem; color: rgba(255,255,255,.6); }
.breadcrumb-ac a { color: var(--ac-sky); text-decoration:none; }
.breadcrumb-ac a:hover { color:#fff; }
.breadcrumb-ac i { font-size:.7rem; margin:0 .35rem; }

/* ---------- Pricing ---------- */
.price-card {
  background:#fff; border:1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 2.3rem 1.9rem; height:100%;
  transition: all .3s ease; position: relative;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--ac-shadow); }
.price-card.featured {
  border-color: transparent; background: var(--ac-grad-dark); color:#fff;
  box-shadow: var(--ac-shadow); transform: translateY(-10px);
}
.price-card.featured h3, .price-card.featured .price-amt, .price-card.featured .plan-name { color:#fff; }
.price-card.featured .text-muted-2 { color: rgba(255,255,255,.72) !important; }
.price-badge {
  position:absolute; top:-13px; left:50%; transform: translateX(-50%);
  background: var(--ac-grad); color:#fff; font-size:.7rem; font-weight:700;
  letter-spacing:.09em; padding:.35rem .95rem; border-radius:999px; text-transform: uppercase;
}
.plan-name { font-weight:800; color: var(--ac-navy); }
.price-amt { font-size: 2.9rem; font-weight:800; color: var(--ac-navy); line-height:1; }
.price-amt small { font-size:1rem; font-weight:600; color: var(--ac-muted); }
.price-feat { list-style:none; padding:0; margin:1.6rem 0; }
.price-feat li { display:flex; gap:.65rem; align-items:flex-start; padding:.55rem 0; border-bottom:1px dashed var(--ac-border); font-size:.94rem; }
.price-feat li i { color: var(--ac-blue); margin-top:.15rem; flex-shrink:0; }
.price-card.featured .price-feat li { border-color: rgba(255,255,255,.16); }
.price-card.featured .price-feat li i { color: var(--ac-sky); }

/* ---------- FAQ accordion ---------- */
.accordion { --bs-accordion-border-color: var(--ac-border); }
.accordion-item {
  border: 1px solid var(--ac-border) !important;
  border-radius: 14px !important;
  overflow: hidden;
  margin-bottom: .8rem;
}
.accordion-item:not(:first-of-type) { border-top: 1px solid var(--ac-border) !important; }
.accordion-button { border-radius: 14px !important; font-weight: 600; color: var(--ac-navy); }
.accordion-button:not(.collapsed) { background: var(--ac-sky-soft); color: var(--ac-blue-600); box-shadow: none; border-radius: 14px 14px 0 0 !important; }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(37,99,235,.15); border-color: var(--ac-blue); }

/* ---------- Mini CTA link on home teasers ---------- */
.link-ac { color: var(--ac-blue); font-weight:700; text-decoration:none; display:inline-flex; align-items:center; gap:.35rem; }
.link-ac:hover { color: var(--ac-blue-600); gap:.6rem; }

/* ---------- Screenshot gallery + GIF walkthrough ---------- */
.shot-frame {
  position: relative;
  display: block;
  border-radius: var(--ac-radius);
  overflow: hidden;
  border: 1px solid var(--ac-border);
  background: #fff;
  box-shadow: var(--ac-shadow-sm);
  cursor: zoom-in;
  transition: transform .3s ease, box-shadow .3s ease;
}
.shot-frame:hover { transform: translateY(-6px); box-shadow: var(--ac-shadow); }
/* uniform 16:10 crop so mixed screenshots line up */
.shot-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
}
.shot-frame .shot-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(21,18,61,.78), rgba(21,18,61,0) 55%);
  opacity: 0; transition: opacity .3s ease;
  display: flex; align-items: flex-end; padding: 1.1rem 1.2rem;
}
.shot-frame:hover .shot-overlay { opacity: 1; }
.shot-overlay .shot-cap { color: #fff; font-weight: 700; font-size: .98rem; }
.shot-overlay .shot-zoom {
  position: absolute; top: 1rem; right: 1rem;
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3);
  backdrop-filter: blur(8px); color: #fff;
  display: grid; place-items: center; font-size: 1.05rem;
}

/* featured GIF — wide 16:9 walkthrough */
.gif-frame {
  position: relative; border-radius: var(--ac-radius); overflow: hidden;
  border: 1px solid var(--ac-border); box-shadow: var(--ac-shadow); background:#fff;
}
.gif-frame img,
.gif-frame video { display:block; width:100%; aspect-ratio: 16 / 9; object-fit: cover; background:#0f0d2a; }
.gif-badge {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  background: rgba(21,18,61,.7); color:#fff; border:1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(8px); border-radius: 999px;
  padding: .35rem .85rem; font-size: .74rem; font-weight: 700; letter-spacing: .06em;
  display: inline-flex; align-items: center; gap: .4rem;
}
.gif-badge .live-dot { width:8px; height:8px; border-radius:50%; background:#28c840; box-shadow:0 0 0 0 rgba(40,200,64,.6); animation: livedot 1.6s ease-out infinite; }
@keyframes livedot { 0%{box-shadow:0 0 0 0 rgba(40,200,64,.6)} 100%{box-shadow:0 0 0 9px rgba(40,200,64,0)} }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 1080;
  display: none; align-items: center; justify-content: center;
  background: rgba(15,13,42,.85); backdrop-filter: blur(6px);
  padding: 4vh 4vw;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 100%; max-height: 90vh;
  border-radius: 14px; box-shadow: 0 40px 90px -30px rgba(0,0,0,.8);
}
.lightbox-close {
  position: absolute; top: 22px; right: 26px;
  width: 46px; height: 46px; border-radius: 12px; border: none;
  background: rgba(255,255,255,.14); color:#fff; font-size: 1.5rem;
  cursor: pointer; transition: background .2s; display:grid; place-items:center;
}
.lightbox-close:hover { background: rgba(255,255,255,.28); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border-radius: 50%; border: none;
  background: rgba(255,255,255,.14); color:#fff; font-size: 1.5rem;
  cursor: pointer; transition: background .2s; display:grid; place-items:center;
}
.lightbox-nav:hover { background: rgba(255,255,255,.28); }
.lightbox-nav.prev { left: 22px; }
.lightbox-nav.next { right: 22px; }
.lightbox-cap { position:absolute; bottom: 22px; left:0; right:0; text-align:center; color:#dbeafe; font-weight:600; font-size:.95rem; }
@media (max-width: 575px){ .lightbox-nav{ width:42px; height:42px; } }

/* ---------- Responsive tweaks ---------- */
@media (max-width: 991px){
  .navbar .navbar-collapse { background: rgba(255,255,255,.98); border-radius: 14px; padding: .75rem 1rem; margin-top: .6rem; box-shadow: var(--ac-shadow-sm); }
  .hero{ padding: 140px 0 90px; text-align:center; }
  .hero p.lead{ margin-left:auto;margin-right:auto; }
  .hero .eyebrow{ margin-inline:auto; }
  .float-chip, .hero-orbit{ display:none; }
  .hero-rings{ width:360px; height:360px; }
  .hero-glow{ width:280px; height:280px; }
  .cta-band{ padding:2.2rem; }
  .section{ padding: 70px 0; }
  .page-hero{ padding: 130px 0 60px; text-align:center; }
  .page-hero p.lead{ margin-inline:auto; }
  .breadcrumb-ac{ justify-content:center; }
  .price-card.featured{ transform:none; }
}