/* CLEAR TONE HEARING SOLUTIONS — Premium UI System
   Pure CSS3, mobile-first, glassmorphism, luxury healthcare branding
*/

:root{
  --primary:#8B0000;
  --secondary:#B22222;
  --accent:#D4AF37;
  --bg:#FFFFFF;
  --text:#1F2937;

  --muted:#6B7280;
  --card: rgba(255,255,255,.62);
  --card2: rgba(255,255,255,.42);
  --stroke: rgba(31,41,55,.12);

  --shadow-lg: 0 22px 60px rgba(17,24,39,.18);
  --shadow-md: 0 14px 40px rgba(17,24,39,.12);
  --shadow-sm: 0 10px 24px rgba(17,24,39,.10);

  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 12px;

  --max: 1200px;

  --focus: 0 0 0 4px rgba(212,175,55,.35);
  --focus2: 0 0 0 4px rgba(139,0,0,.22);

  --grad-hero: radial-gradient(1000px 500px at 15% 0%, rgba(139,0,0,.18), transparent 55%),
               radial-gradient(900px 600px at 85% 10%, rgba(212,175,55,.18), transparent 50%),
               linear-gradient(180deg, rgba(178,34,34,.06), rgba(255,255,255,0));

  --grad-accent: linear-gradient(120deg, rgba(139,0,0,1) 0%, rgba(178,34,34,1) 45%, rgba(212,175,55,1) 100%);

  --glass: blur(14px);
}

[data-theme="dark"]{
  --bg:#070A12;
  --text:#E5E7EB;
  --muted:#9CA3AF;

  --card: rgba(12,17,33,.55);
  --card2: rgba(12,17,33,.35);
  --stroke: rgba(229,231,235,.12);

  --shadow-lg: 0 22px 60px rgba(0,0,0,.45);
  --shadow-md: 0 14px 40px rgba(0,0,0,.35);
  --shadow-sm: 0 10px 24px rgba(0,0,0,.28);

  --grad-hero: radial-gradient(1000px 500px at 15% 0%, rgba(139,0,0,.30), transparent 55%),
               radial-gradient(900px 600px at 85% 10%, rgba(212,175,55,.20), transparent 52%),
               linear-gradient(180deg, rgba(212,175,55,.08), rgba(7,10,18,0));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji"; background:var(--bg); color:var(--text)}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
button, input, select, textarea{font:inherit}

/* Accessibility */
:focus-visible{outline:none; box-shadow: var(--focus)}

/* Layout */
.container{width:100%; max-width:var(--max); margin:0 auto; padding:0 16px}
.section{padding:72px 0}
.section--tight{padding:56px 0}

/* Type Scale */
.kicker{display:inline-flex; align-items:center; gap:10px; color:var(--secondary); font-weight:700; letter-spacing:.12em; text-transform:uppercase; font-size:12px}
.kicker:before{content:""; width:22px; height:1px; background:linear-gradient(90deg, var(--accent), rgba(212,175,55,0));}
.h1{font-size:40px; line-height:1.05; letter-spacing:-.02em; margin:14px 0 10px}
.h2{font-size:28px; line-height:1.15; margin:10px 0 12px; letter-spacing:-.01em}
.h3{font-size:18px; line-height:1.35; margin:0}
.p{color:var(--muted); line-height:1.75; margin:0}

@media (min-width: 768px){
  .h1{font-size:56px}
  .section{padding:92px 0}
  .h2{font-size:34px}
}

/* Navbar */
.navbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(16px);
  background: rgba(255,255,255,.55);
  border-bottom:1px solid var(--stroke);
}
[data-theme="dark"] .navbar{background: rgba(7,10,18,.58)}

.nav-inner{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:12px 0}
.brand{display:flex; align-items:center; gap:10px; min-width:0}
.brand .site-logo{flex:0 0 auto}
.brand .brand-text{min-width:0}

.logo{display:none}

.site-logo{
  height:48px;
  width:auto;
  object-fit:contain;
  display:block;
  transition:all .3s ease;
}

.site-logo:hover{
  transform:scale(1.05);
}

@media (max-width:768px){
  .site-logo{height:38px}
}

.brand strong{font-size:14px; letter-spacing:.08em}
.brand span{display:block; font-size:12px; color:var(--muted); margin-top:2px}


.nav-links{display:none}
@media (min-width: 920px){
  .nav-links{display:flex; gap:18px; align-items:center}
}

.nav-link{
  font-weight:650; font-size:13px; color:var(--text);
  opacity:.85; padding:10px 10px; border-radius:12px;
  transition: background .25s ease, transform .25s ease, opacity .25s ease;
}
.nav-link:hover{background: rgba(139,0,0,.08); opacity:1; transform: translateY(-1px)}
.nav-link[aria-current="page"]{background: rgba(212,175,55,.14); opacity:1; border:1px solid rgba(212,175,55,.28)}

.nav-actions{display:flex; gap:10px; align-items:center}

.icon-btn{
  width:42px; height:42px; border-radius:14px;
  border:1px solid var(--stroke);
  background: var(--card2);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-sm);
  display:grid; place-items:center;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.icon-btn:hover{transform: translateY(-2px); border-color: rgba(212,175,55,.35); background: var(--card)}

.primary-btn{
  background: linear-gradient(135deg, rgba(139,0,0,1), rgba(178,34,34,1));
  border:1px solid rgba(212,175,55,.28);
  color:white;
  padding:12px 16px;
  border-radius:16px;
  font-weight:800;
  font-size:13px;
  box-shadow: 0 18px 40px rgba(139,0,0,.25);
  transition: transform .2s ease, filter .2s ease;
}
.primary-btn:hover{transform: translateY(-2px); filter:saturate(1.05)}
.secondary-btn{
  border:1px solid rgba(139,0,0,.22);
  background: rgba(139,0,0,.06);
  color:var(--primary);
  padding:12px 16px;
  border-radius:16px;
  font-weight:800;
  font-size:13px;
  transition: transform .2s ease, background .2s ease;
}
.secondary-btn:hover{transform: translateY(-2px); background: rgba(139,0,0,.09)}

/* Hero */
.hero{
  padding:34px 0 22px;
  background: var(--grad-hero);
  position:relative;
  overflow:hidden;
}
.hero:before{
  content:"";
  position:absolute; inset:-120px -140px auto -140px;
  height:420px;
  background: radial-gradient(circle at 30% 50%, rgba(212,175,55,.22), transparent 60%),
              radial-gradient(circle at 70% 30%, rgba(139,0,0,.20), transparent 62%);
  filter: blur(1px);
  pointer-events:none;
}

.hero-grid{display:grid; grid-template-columns:1fr; gap:22px; align-items:center; position:relative}
@media (min-width: 980px){
  .hero-grid{grid-template-columns: 1.08fr .92fr; gap:34px}
}

.hero-card{
  border-radius: var(--radius-xl);
  border:1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.68), rgba(255,255,255,.40));
  box-shadow: var(--shadow-lg);
  backdrop-filter: var(--glass);
  overflow:hidden;
}
[data-theme="dark"] .hero-card{background: linear-gradient(180deg, rgba(12,17,33,.70), rgba(12,17,33,.35));}

.hero-copy{padding:22px}
@media (min-width: 768px){.hero-copy{padding:30px}}

.hero-cta{display:flex; flex-wrap:wrap; gap:12px; margin-top:18px}

.hero-badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:18px}
.badge{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 12px; border-radius:16px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.42);
  backdrop-filter: var(--glass);
  font-weight:700; font-size:13px;
}
[data-theme="dark"] .badge{background: rgba(12,17,33,.38)}

.hero-media{padding:18px}
.hero-media .media-wrap{
  border-radius: 22px;
  overflow:hidden;
  border:1px solid rgba(212,175,55,.18);
  background: rgba(139,0,0,.05);
  position:relative;
  min-height:260px;
}
@media (min-width: 980px){.hero-media .media-wrap{min-height:420px}}

.media-wrap:after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.0), rgba(0,0,0,.25));
  pointer-events:none;
}

/* Counters */
.stats-grid{display:grid; grid-template-columns: 1fr 1fr; gap:12px; margin-top:18px}
@media (min-width: 540px){.stats-grid{grid-template-columns: repeat(4, 1fr)}}

.stat{
  border-radius:18px;
  padding:14px 14px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.48);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, border-color .2s ease;
  position:relative;
  overflow:hidden;
}
[data-theme="dark"] .stat{background: rgba(12,17,33,.40)}
.stat:before{
  content:""; position:absolute; inset:auto -40px -40px auto;
  width:110px; height:110px; border-radius:50%;
  background: radial-gradient(circle at 30% 30%, rgba(212,175,55,.35), transparent 60%);
}
.stat:hover{transform: translateY(-3px); border-color: rgba(212,175,55,.30)}
.stat .num{font-size:22px; font-weight:950; letter-spacing:-.02em}
.stat .lab{font-size:12px; color:var(--muted); margin-top:6px; font-weight:700}

/* Cards / grids */
.grid-2{display:grid; grid-template-columns:1fr; gap:18px}
.grid-3{display:grid; grid-template-columns:1fr; gap:18px}
.grid-4{display:grid; grid-template-columns:1fr; gap:14px}

@media (min-width: 720px){
  .grid-2{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (min-width: 980px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
}

.card{
  border-radius: var(--radius-lg);
  border:1px solid var(--stroke);
  background: var(--card);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-md);
  overflow:hidden;
}
.card-inner{padding:18px}

/* Sections headings */
.section-head{display:flex; flex-direction:column; gap:10px; margin-bottom:22px}
@media (min-width: 900px){.section-head{flex-direction:row; align-items:flex-end; justify-content:space-between}}

/* Lists */
.bullets{margin:14px 0 0; padding:0; list-style:none; display:grid; gap:10px}
.bullets li{display:flex; gap:10px; align-items:flex-start; color:var(--muted); line-height:1.6; font-weight:650}
.bullets li:before{content:""; width:10px; height:10px; margin-top:6px; border-radius:4px; background: linear-gradient(135deg, var(--accent), rgba(212,175,55,.35)); box-shadow: 0 10px 20px rgba(212,175,55,.18)}

/* Glass split / media */
.split{
  display:grid; grid-template-columns:1fr; gap:18px; align-items:center;
}
@media (min-width: 980px){.split{grid-template-columns: 1.05fr .95fr}}

.media-card{
  border-radius: var(--radius-xl);
  overflow:hidden;
  border:1px solid rgba(212,175,55,.18);
  background: rgba(139,0,0,.05);
  box-shadow: var(--shadow-lg);
  position:relative;
  min-height:320px;
}
.media-card img{width:100%; height:100%; object-fit:cover}
.media-card:after{content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(139,0,0,.0), rgba(139,0,0,.18)); pointer-events:none}

/* Parallax */
.parallax{
  position:relative;
  overflow:hidden;
}
.parallax .parallax-bg{
  position:absolute; inset:-40px;
  background-size: cover;
  background-position:center;
  transform: translate3d(0,0,0);
  filter:saturate(1.06) contrast(1.02);
}
.parallax .parallax-overlay{
  position:absolute; inset:0;
  background: radial-gradient(900px 420px at 20% 0%, rgba(212,175,55,.22), transparent 60%),
              radial-gradient(820px 450px at 85% 30%, rgba(139,0,0,.20), transparent 58%),
              linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.20));
}
[data-theme="dark"] .parallax .parallax-overlay{background: radial-gradient(900px 420px at 20% 0%, rgba(212,175,55,.18), transparent 60%),
              radial-gradient(820px 450px at 85% 30%, rgba(139,0,0,.24), transparent 58%),
              linear-gradient(180deg, rgba(7,10,18,.72), rgba(7,10,18,.28));}

.parallax .container{position:relative}

/* Tables */
.table{
  width:100%; border-collapse:separate; border-spacing:0;
  overflow:hidden;
  border-radius:20px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.35);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-md);
}
[data-theme="dark"] .table{background: rgba(12,17,33,.35)}
.table th, .table td{padding:14px 12px; border-bottom:1px solid var(--stroke)}
.table th{text-align:left; color:var(--text); font-weight:900; font-size:13px}
.table td{color:var(--muted); font-weight:650}
.table tr:last-child td{border-bottom:none}

/* FAQ */
.accordion{display:grid; gap:12px}
.acc-item{
  border-radius:18px;
  border:1px solid var(--stroke);
  background: var(--card);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-sm);
  overflow:hidden;
}
.acc-btn{
  width:100%; text-align:left;
  padding:16px 16px;
  border:none; background:transparent; color:var(--text);
  font-weight:900; display:flex; justify-content:space-between; gap:12px; cursor:pointer;
}
.acc-btn .plus{width:34px; height:34px; border-radius:14px; border:1px solid var(--stroke); display:grid; place-items:center; color:var(--primary); background:rgba(139,0,0,.06)}
.acc-panel{max-height:0; overflow:hidden; transition:max-height .35s ease}
.acc-content{padding:0 16px 0; color:var(--muted); line-height:1.7; font-weight:650}

/* Testimonials carousel */
.carousel{position:relative}
.carousel-track{display:grid; gap:12px; grid-auto-flow: column; grid-auto-columns: 100%; overflow:hidden; scroll-behavior:smooth}
@media (min-width: 900px){.carousel-track{grid-auto-columns: 50%}}

.test-card{border-radius:22px; border:1px solid var(--stroke); background: var(--card); backdrop-filter: var(--glass); box-shadow: var(--shadow-md); overflow:hidden}
.test-inner{padding:18px}
.stars{color: var(--accent); letter-spacing:2px; font-weight:900}

.carousel-controls{display:flex; gap:10px; margin-top:14px; justify-content:center}

/* Forms */
.form{
  display:grid; gap:12px;
}
.field{display:grid; gap:8px}
label{font-weight:900; font-size:13px}
input, select, textarea{
  border-radius:16px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.45);
  backdrop-filter: var(--glass);
  padding:12px 14px;
  color:var(--text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.4);
}
[data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea{background: rgba(12,17,33,.35)}
textarea{min-height:110px; resize:vertical}
.form .row{display:grid; grid-template-columns:1fr; gap:12px}
@media(min-width: 720px){.form .row{grid-template-columns:1fr 1fr}}

/* Footer */
.footer{
  padding:48px 0;
  border-top:1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.7), rgba(255,255,255,1));
}

/* Developer Credit */
.developer-credit{
    text-align:center;
    padding:15px 10px;
    margin-top:20px;
    border-top:1px solid rgba(255,255,255,0.15);
    font-size:14px;
    letter-spacing:0.5px;
}

.developer-credit strong{
    color:#2ecc71;
    font-weight:700;
    transition:all .3s ease;
}
.developer-credit strong:hover{
    color:#100e0e;
}

.developer-credit p{
    margin:0;
    opacity:0.95;
}

@media (max-width: 520px){
  .developer-credit{
    padding:12px 10px;
    margin-top:16px;
    font-size:13px;
    letter-spacing:0.3px;
  }
}

[data-theme="dark"] .footer{background: linear-gradient(180deg, rgba(7,10,18,.75), rgba(7,10,18,1));}
.footer-grid{display:grid; grid-template-columns:1fr; gap:18px}
@media(min-width: 920px){.footer-grid{grid-template-columns: 1.2fr 1fr 1fr}}

.footer a{color:var(--muted); font-weight:700}
.footer a:hover{color:var(--primary)}

.footer-bot{display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between; margin-top:22px; color:var(--muted); font-weight:700; font-size:13px}

/* Floating widgets */
.floating{
  position:fixed;
  right:14px;
  bottom:14px;
  z-index:60;
  display:flex;
  flex-direction:column;
  /* ensure no overlap on mobile: fixed vertical stack */
  gap:12px;
}

.float-btn{
  width:65px;
  height:65px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.20);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-lg);
  display:grid;
  place-items:center;
  transition: transform .22s ease, box-shadow .22s ease, filter .22s ease;
  position:relative;
  overflow:hidden;
}

/* WhatsApp button */
.float-btn--wa{
  color:#fff;
  background: linear-gradient(180deg, rgba(37,211,102,1), rgba(18,140,126,1));
  box-shadow: 0 18px 45px rgba(18,140,126,.35);
}

.float-icon{
  width:26px;
  height:26px;
  color:rgba(255,255,255,.98);
}

/* (Removed old Call button styles; only WhatsApp remains) */


.float-btn:hover{
  transform: scale(1.08);
  filter: saturate(1.05);
}

/* WhatsApp glow + pulse every 3s */
.float-btn--wa:before{
  content:"";
  position:absolute;
  inset:-2px;
  background: radial-gradient(circle at 35% 25%, rgba(255,255,255,.35), rgba(255,255,255,0) 55%);
  pointer-events:none;
}

.float-btn--wa{
  animation: cths-wa-pulse 3s ease-in-out infinite;
}

@keyframes cths-wa-pulse{
  0%, 100%{ box-shadow: 0 18px 45px rgba(18,140,126,.30); transform: scale(1); }
  50%{ box-shadow: 0 26px 70px rgba(18,140,126,.48); transform: scale(1.04); }
}

/* Tooltip */
.float-btn[title]{
  position:relative;
}
.float-btn[title]:after{
  content: attr(title);
  position:absolute;
  right: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(50%);
  white-space:nowrap;
  padding:10px 12px;
  border-radius:14px;
  background: rgba(0,0,0,.55);
  color:#fff;
  font-weight:900;
  font-size:12px;
  opacity:0;
  pointer-events:none;
  transition: opacity .18s ease, transform .18s ease;
}
.float-btn:hover[title]:after{
  opacity:1;
  transform: translateX(50%) translateY(-2px);
}

/* Mobile sizing */
@media (max-width: 520px){
  .floating{ right:12px; bottom:12px; gap:10px; }
  .float-btn{ width:55px; height:55px; }
}


.backtop{position:fixed; left:14px; bottom:14px; z-index:60; display:none}

/* Progress */
.progress{
  position:fixed; top:0; left:0; height:3px;
  width:0%; background: var(--grad-accent);
  z-index:80;
}

/* Loader */
.loader{
  position:fixed; inset:0;
  background: radial-gradient(900px 500px at 30% 10%, rgba(212,175,55,.20), transparent 60%),
              linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,1));
  display:grid; place-items:center;
  z-index:999;
  transition: opacity .4s ease, visibility .4s ease;
}
[data-theme="dark"] .loader{background: radial-gradient(900px 500px at 30% 10%, rgba(212,175,55,.15), transparent 60%),
              linear-gradient(180deg, rgba(7,10,18,.96), rgba(7,10,18,1));}
.loader[aria-hidden="true"]{opacity:0; visibility:hidden}
.spinner{
  width:74px; height:74px; border-radius:24px;
  border:1px solid rgba(212,175,55,.35);
  background: rgba(255,255,255,.55);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-lg);
  display:grid; place-items:center;
  position:relative;
  overflow:hidden;
}
[data-theme="dark"] .spinner{background: rgba(12,17,33,.55)}
.spinner:before{
  content:"";
  position:absolute; inset:-60%;
  background: conic-gradient(from 90deg, rgba(212,175,55,1), rgba(139,0,0,1), rgba(212,175,55,1));
  animation: spin 1.2s linear infinite;
}
.spinner:after{
  content:"";
  position:absolute; inset:8px;
  border-radius:18px;
  background: rgba(255,255,255,.75);
  border:1px solid var(--stroke);
}
[data-theme="dark"] .spinner:after{background: rgba(7,10,18,.75)}
@keyframes spin{to{transform: rotate(360deg)}}

/* Modal */
.modal-backdrop{
  position:fixed; inset:0; z-index:200;
  background: rgba(0,0,0,.35);
  display:none;
}
.modal-backdrop[aria-hidden="false"]{display:block}
.modal{
  position:fixed; left:50%; top:50%; transform: translate(-50%,-50%);
  width: min(920px, calc(100% - 24px));
  border-radius: 26px;
  border:1px solid rgba(212,175,55,.22);
  background: var(--card);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-lg);
  z-index:210;
  display:none;
}
.modal[aria-hidden="false"]{display:block}
.modal-head{display:flex; justify-content:space-between; align-items:center; gap:10px; padding:16px 16px 0}
.modal-title{font-weight:1000; letter-spacing:-.02em}
.modal-close{
  width:42px; height:42px; border-radius:16px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.45);
  cursor:pointer;
}
[data-theme="dark"] .modal-close{background: rgba(12,17,33,.35)}
.modal-body{padding:16px}
.modal-cols{display:grid; grid-template-columns:1fr; gap:14px}
@media(min-width: 900px){.modal-cols{grid-template-columns: 1.05fr .95fr}}

/* Scroll reveal */
[data-reveal]{opacity:0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease}
[data-reveal].is-visible{opacity:1; transform: translateY(0)}
[data-reveal="left"].is-visible{transform: translateX(0)}
[data-reveal="right"].is-visible{transform: translateX(0)}

[data-reveal="left"]{transform: translateX(-18px)}
[data-reveal="right"]{transform: translateX(18px)}
[data-reveal="zoom"]{transform: scale(.96)}
[data-reveal="fade"]{transform:none}

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

/* Service filter pills */
.pills{display:flex; flex-wrap:wrap; gap:10px; margin:6px 0 18px}
.pill{
  border-radius:999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.45);
  backdrop-filter: var(--glass);
  padding:10px 14px;
  font-weight:900;
  font-size:13px;
  color:var(--muted);
  cursor:pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}
[data-theme="dark"] .pill{background: rgba(12,17,33,.35)}
.pill:hover{transform: translateY(-2px); color:var(--text); border-color: rgba(212,175,55,.32)}
.pill[aria-pressed="true"]{color: var(--primary); border-color: rgba(139,0,0,.35); background: rgba(139,0,0,.08)}

/* Micro interactions */
.hover-lift{transition: transform .22s ease, border-color .22s ease}
.hover-lift:hover{transform: translateY(-3px); border-color: rgba(212,175,55,.28)}

/* Mobile menu (minimal) */
.burger{display:grid}
@media(min-width: 920px){.burger{display:none}}
.mobile-drawer{display:none}
@media(max-width: 919px){.mobile-drawer{display:block}}

.drawer{
  position:fixed; inset:0; z-index:120; display:none;
}
.drawer[aria-hidden="false"]{display:block}
.drawer-back{position:absolute; inset:0; background: rgba(0,0,0,.28)}
.drawer-panel{
  position:absolute; top:0; right:0; height:100%; width:min(360px, calc(100% - 60px));
  background: var(--bg);
  border-left:1px solid var(--stroke);
  padding:14px; display:flex; flex-direction:column; gap:10px;
}
.drawer-links{display:grid; gap:6px; margin-top:10px}
.drawer-links a{padding:12px 12px; border-radius:14px; border:1px solid var(--stroke); background: var(--card2); font-weight:900}

/* Video placeholder */
.video-ph{
  border-radius:22px;
  border:1px dashed rgba(212,175,55,.35);
  background: rgba(255,255,255,.35);
  height:170px;
  display:grid; place-items:center;
  color:var(--muted);
  font-weight:900;
}
[data-theme="dark"] .video-ph{background: rgba(12,17,33,.35)}

/* =============================================
   PREMIUM BRAND CARDS
   ============================================= */
.brand-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: var(--card);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform .35s cubic-bezier(.22,.61,.36,1), border-color .35s ease, box-shadow .35s ease;
  position: relative;
}
.brand-card:hover {
  transform: translateY(-8px);
  border-color: rgba(212,175,55,.35);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(212,175,55,.12);
}
.brand-card .brand-img-wrap {
  height: 180px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, rgba(139,0,0,.08), rgba(212,175,55,.08));
}
.brand-card .brand-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.brand-card:hover .brand-img-wrap img {
  transform: scale(1.06);
}
.brand-card .brand-logo-placeholder {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 8px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,.72);
  backdrop-filter: var(--glass);
  border: 1px solid rgba(212,175,55,.22);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--text);
}
.brand-card .brand-body {
  padding: 20px;
}
.brand-card .brand-body h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -.01em;
}
.brand-card .brand-body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 12px;
}
.brand-card .brand-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.brand-card .brand-tags span {
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(139,0,0,.06);
  border: 1px solid rgba(139,0,0,.12);
  font-weight: 700;
  font-size: 11px;
  color: var(--primary);
}
.brand-card .brand-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
[data-theme="dark"] .brand-card .brand-logo-placeholder {
  background: rgba(12,17,33,.72);
}

/* =============================================
   COMPARISON TABLE WITH ICONS
   ============================================= */
.comp-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: var(--card);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-md);
}
.comp-table th,
.comp-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--stroke);
  text-align: center;
  font-weight: 650;
  font-size: 13px;
}
.comp-table th {
  background: rgba(139,0,0,.06);
  font-weight: 900;
  color: var(--text);
  text-align: left;
}
.comp-table td:first-child {
  text-align: left;
  font-weight: 800;
  color: var(--text);
}
.comp-table tr:last-child td {
  border-bottom: none;
}
.comp-table .icon-check {
  color: #16a34a;
  font-size: 16px;
}
.comp-table .icon-cross {
  color: var(--muted);
  font-size: 16px;
  opacity: .4;
}
.comp-table .icon-partial {
  color: var(--accent);
  font-size: 16px;
}
[data-theme="dark"] .comp-table th {
  background: rgba(12,17,33,.40);
}

/* =============================================
   PRODUCT CARDS
   ============================================= */
.prod-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: var(--card);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease;
}
.prod-card:hover {
  transform: translateY(-5px);
  border-color: rgba(212,175,55,.30);
}
.prod-card .prod-img {
  height: 170px;
  background: linear-gradient(135deg, rgba(139,0,0,.08), rgba(212,175,55,.08));
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.prod-card .prod-img span {
  font-size: 36px;
  opacity: .25;
  font-weight: 100;
  color: var(--muted);
}
.prod-card .prod-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.prod-card .prod-badge {
  padding: 4px 10px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.prod-card .prod-badge--rechargeable {
  background: #acc4ce;
  color: #fff;
}
.prod-card .prod-badge--bluetooth {
  background: #813517;
  color: #fff;
}


.prod-card .prod-badge--ai {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
}
.prod-card .prod-body {
  padding: 18px;
}
.prod-card .prod-body h3 {
  margin: 0 0 4px;
  font-size: 16px;
}
.prod-card .prod-body .prod-tech {
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 8px;
}
.prod-card .prod-body .prod-rating {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.prod-card .prod-body .prod-rating span {
  color: var(--muted);
  font-size: 11px;
  margin-left: 4px;
}
.prod-card .prod-cta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* =============================================
   WHY CHOOSE CLEAR TONE (Feature Cards)
   ============================================= */
.feature-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  background: var(--card);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-sm);
  padding: 22px 20px;
  text-align: center;
  transition: transform .3s ease, border-color .3s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212,175,55,.28);
}
.feature-card .feat-icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(139,0,0,.10), rgba(212,175,55,.10));
  border: 1px solid rgba(212,175,55,.18);
  display: grid;
  place-items: center;
  margin: 0 auto 12px;
  font-size: 22px;
}
.feature-card h3 {
  font-size: 15px;
  margin: 0 0 6px;
}
.feature-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* =============================================
   BLOG CARDS
   ============================================= */
.blog-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  background: var(--card);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-5px);
  border-color: rgba(212,175,55,.28);
}
.blog-card .blog-img {
  height: 220px;
  background: linear-gradient(135deg, rgba(139,0,0,.06), rgba(212,175,55,.06));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  padding: 16px;
}
.blog-card .blog-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.blog-card .blog-img span {
  font-size: 32px;
  opacity: .2;
}
.blog-card .blog-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-card .blog-body .blog-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 10px;
  background: rgba(139,0,0,.07);
  border: 1px solid rgba(139,0,0,.12);
  font-size: 10px;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 8px;
}
.blog-card .blog-body h3 {
  font-size: 15px;
  margin: 0 0 6px;
  line-height: 1.35;
}
.blog-card .blog-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0 0 12px;
}
.blog-card .blog-body .secondary-btn {
  margin-top: auto;
}

/* =============================================
   CONTACT CTA BANNER
   ============================================= */
.cta-banner {
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: linear-gradient(135deg, rgba(139,0,0,.10), rgba(212,175,55,.12));
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-lg);
  padding: 40px 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner:before {
  content: "";
  position: absolute;
  inset: -60px -100px auto -100px;
  height: 200px;
  background: radial-gradient(circle at 30% 50%, rgba(212,175,55,.20), transparent 50%);
  pointer-events: none;
}
.cta-banner h2 {
  font-size: 26px;
  margin: 0 0 8px;
  position: relative;
}
.cta-banner p {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 20px;
  position: relative;
}
.cta-banner .cta-banner-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  position: relative;
}
@media (min-width: 768px) {
  .cta-banner { padding: 56px 40px; }
  .cta-banner h2 { font-size: 32px; }
}

/* =============================================
   BRAND HERO PAGES
   ============================================= */
.brand-hero {
  padding: 50px 0 40px;
  position: relative;
  overflow: hidden;
}
.brand-hero .brand-hero-bg {
  position: absolute;
  inset: 0;
  opacity: .08;
  pointer-events: none;
}
.brand-hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  position: relative;
}
@media (min-width: 920px) {
  .brand-hero-content {
    grid-template-columns: 1.05fr .95fr;
  }
}
.brand-hero-text .brand-hero-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-radius: 18px;
  background: var(--card);
  backdrop-filter: var(--glass);
  border: 1px solid rgba(212,175,55,.22);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: .06em;
  margin-bottom: 16px;
}
.brand-hero-media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(212,175,55,.18);
  min-height: 260px;
  background: linear-gradient(135deg, rgba(139,0,0,.08), rgba(212,175,55,.08));
  display: grid;
  place-items: center;
  position: relative;
}
.brand-hero-media span {
  font-size: 48px;
  opacity: .15;
  font-weight: 100;
}
@media (min-width: 920px) {
  .brand-hero-media { min-height: 360px; }
}

/* Brand feature grid icons */
.brand-feat-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(139,0,0,.10), rgba(212,175,55,.10));
  border: 1px solid rgba(212,175,55,.18);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  font-size: 18px;
}

/* Sticky consultation button (brand pages) */
.sticky-consult {
  position: fixed;
  bottom: 90px;
  right: 14px;
  z-index: 55;
}
.sticky-consult .primary-btn {
  box-shadow: 0 18px 50px rgba(139,0,0,.30);
  animation: cths-consult-pulse 2.5s ease-in-out infinite;
}
@keyframes cths-consult-pulse {
  0%, 100% { box-shadow: 0 18px 50px rgba(139,0,0,.30); }
  50% { box-shadow: 0 24px 70px rgba(139,0,0,.45); }
}

/* Related brands grid */
.related-brands {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 720px) {
  .related-brands { grid-template-columns: repeat(3, 1fr); }
}
.related-brand-item {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: var(--card2);
  backdrop-filter: var(--glass);
  text-align: center;
  font-weight: 800;
  font-size: 13px;
  transition: transform .2s ease, border-color .2s ease;
}
.related-brand-item:hover {
  transform: translateY(-2px);
  border-color: rgba(212,175,55,.25);
}

/* Back to brands link */
.back-brands {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: var(--card2);
  font-weight: 700;
  font-size: 13px;
  transition: transform .2s ease;
}
.back-brands:hover {
  transform: translateX(-3px);
}

/* =============================================
   ENHANCED GRID FOR 6-COLUMN LAYOUTS
   ============================================= */
.grid-6 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 640px) {
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 920px) {
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
}

/* =============================================
   UTILITY & OVERRIDES
   ============================================= */
.m0{margin:0}
.mt12{margin-top:12px}
.mt18{margin-top:18px}
.mt24{margin-top:24px}
.mt30{margin-top:30px}

.premium-banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 21/9;
  background: var(--card);
}
.premium-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.premium-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.70), rgba(0,0,0,.30));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
  color: #fff;
}
.premium-banner-overlay .kicker {
  color: var(--accent);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
@media (max-width: 600px) {
  .premium-banner { aspect-ratio: 4/3; }
  .premium-banner-overlay { padding: 20px; }
  .premium-banner-overlay h2 { font-size: 20px !important; }
}

.hide-sm{display:none}
@media(min-width: 720px){.hide-sm{display:block}}