/*
Theme Name: Otofon Signature
Theme URI: https://otofon.al/
Author: Enis Solutions
Author URI: https://enissolution.pro/
Description: Temë premium, e shpejtë, responsive dhe SEO-ready për Qendrat e Dëgjimit OTOFON.
Version: 4.0.0
Requires at least: 6.5
Tested up to: 7.1
Requires PHP: 8.0
Text Domain: otofon-light
License: GNU General Public License v2 or later
*/

:root {
  --oto-navy: #0c2a4d;
  --oto-blue: #1462c4;
  --oto-sky: #1aa4d8;
  --oto-mint: #eaf7f4;
  --oto-aqua: #0d8a76;
  --oto-orange: #e8722e;
  --oto-ink: #142033;
  --oto-muted: #4d5d76;
  --oto-soft: #f5f7fb;
  --oto-line: #dbe2ee;
  --oto-white: #fff;
  --oto-shadow: 0 18px 55px rgba(8, 37, 82, .11);
  --oto-shadow-soft: 0 10px 30px rgba(8, 37, 82, .08);
  --oto-radius: 22px;
  --oto-radius-sm: 14px;
  --oto-wrap: 1180px;
  --oto-font: "Plus Jakarta Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 105px; }
body {
  margin: 0;
  color: var(--oto-ink);
  background: var(--oto-white);
  font-family: var(--oto-font);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--oto-blue); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--oto-navy); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { margin: 0 0 .65em; color: var(--oto-navy); line-height: 1.12; letter-spacing: -.035em; }
h1 { font-size: clamp(2.55rem, 6vw, 5.3rem); }
h2 { font-size: clamp(2rem, 4vw, 3.45rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); }
p { margin: 0 0 1.25rem; }
ul, ol { margin-top: 0; }
::selection { color: #fff; background: var(--oto-blue); }

.oto-wrap { width: min(calc(100% - 40px), var(--oto-wrap)); margin-inline: auto; }
.oto-section { position: relative; padding: clamp(72px, 9vw, 120px) 0; overflow: clip; }
.oto-section--soft { background: var(--oto-soft); }
.oto-section--mint { background: linear-gradient(135deg, #effafa, #f7fbff 62%, #edf3ff); }
.oto-section-head { max-width: 760px; margin-bottom: 42px; }
.oto-section-head--center { margin-inline: auto; text-align: center; }
.oto-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 15px; color: var(--oto-blue); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.oto-eyebrow::before { width: 25px; height: 2px; content: ""; background: var(--oto-orange); border-radius: 999px; }
.oto-lead { color: var(--oto-muted); font-size: clamp(1.06rem, 2vw, 1.24rem); }
.oto-kicker { margin-bottom: 10px; color: var(--oto-aqua); font-weight: 800; }
.oto-muted { color: var(--oto-muted); }
.oto-grid { display: grid; gap: 24px; }
.oto-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.oto-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.oto-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.screen-reader-text, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed; z-index: 9999; top: 12px; left: 12px; padding: 12px 18px; color: #fff; background: var(--oto-navy); border-radius: 8px; }
:focus-visible { outline: 3px solid rgba(242, 140, 69, .75); outline-offset: 3px; }

.oto-btn { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 9px; padding: 12px 22px; border: 1px solid transparent; border-radius: 999px; color: #fff; background: var(--oto-blue); box-shadow: 0 10px 25px rgba(20, 92, 199, .2); font-weight: 800; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.oto-btn:hover { color: #fff; background: var(--oto-navy); box-shadow: 0 15px 32px rgba(9, 43, 99, .24); transform: translateY(-2px); }
.oto-btn--orange { background: var(--oto-orange); box-shadow: 0 10px 25px rgba(242, 140, 69, .24); }
.oto-btn--ghost { color: var(--oto-navy); background: rgba(255,255,255,.82); border-color: rgba(9,43,99,.16); box-shadow: none; backdrop-filter: blur(12px); }
.oto-btn--ghost:hover { color: var(--oto-navy); background: #fff; }
.oto-btn--small { min-height: 42px; padding: 8px 17px; font-size: .9rem; }
.oto-link { display: inline-flex; align-items: center; gap: 7px; color: var(--oto-blue); font-weight: 800; text-decoration: none; }
.oto-link::after { content: "→"; transition: transform .2s ease; }
.oto-link:hover::after { transform: translateX(4px); }

.oto-topbar { color: #dce9ff; background: var(--oto-navy); font-size: .84rem; }
.oto-topbar__inner { display: flex; min-height: 39px; align-items: center; justify-content: space-between; gap: 18px; }
.oto-topbar a { color: #fff; text-decoration: none; }
.oto-topbar__group { display: flex; align-items: center; gap: 20px; }
.oto-site-header { position: sticky; z-index: 1000; top: 0; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(220,229,240,.82); backdrop-filter: blur(18px); transition: box-shadow .2s ease; }
.admin-bar .oto-site-header { top: 32px; }
.oto-site-header.is-scrolled { box-shadow: 0 10px 35px rgba(9,43,99,.09); }
.oto-navbar { display: flex; min-height: 79px; align-items: center; justify-content: space-between; gap: 24px; }
.oto-brand { display: inline-flex; width: 185px; flex: 0 0 auto; align-items: center; }
.oto-brand img, .oto-brand .custom-logo { width: 100%; max-height: 58px; object-fit: contain; object-position: left center; }
.oto-nav-shell { display: flex; align-items: center; gap: 23px; }
.oto-menu { display: flex; align-items: center; gap: 3px; padding: 0; margin: 0; list-style: none; }
.oto-menu li { position: relative; }
.oto-menu a { display: block; padding: 10px 11px; color: var(--oto-ink); border-radius: 10px; font-size: .93rem; font-weight: 750; text-decoration: none; }
.oto-menu a:hover, .oto-menu .current-menu-item > a, .oto-menu .current_page_item > a { color: var(--oto-blue); background: #f1f6ff; }
.oto-menu .sub-menu { display: none !important; }
.oto-lang { display: flex; gap: 4px; }
.oto-lang a { padding: 5px 7px; color: var(--oto-muted); font-size: .75rem; font-weight: 850; text-decoration: none; text-transform: uppercase; }
.oto-lang .current-lang a, .oto-lang a.is-current { color: #fff; background: var(--oto-blue); border-radius: 7px; }
.oto-menu-toggle { display: none; width: 46px; height: 46px; padding: 11px; border: 0; border-radius: 12px; background: var(--oto-soft); }
.oto-menu-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; background: var(--oto-navy); border-radius: 99px; transition: .2s ease; }

.oto-hero { min-height: 690px; display: grid; align-items: center; padding: clamp(72px, 8vw, 120px) 0; background: linear-gradient(105deg, #f6f9ff 0%, #eef5ff 51%, #edfafa 100%); overflow: hidden; }
.oto-hero::before, .oto-hero::after { position: absolute; content: ""; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.oto-hero::before { top: -180px; right: -80px; width: 520px; height: 520px; background: rgba(26,164,216,.12); }
.oto-hero::after { bottom: -230px; left: 30%; width: 500px; height: 500px; background: rgba(242,140,69,.09); }
.oto-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: clamp(35px, 6vw, 84px); }
.oto-hero h1 span { color: var(--oto-blue); }
.oto-hero__copy { max-width: 655px; }
.oto-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0; }
.oto-hero__proof { display: flex; flex-wrap: wrap; gap: 18px; color: var(--oto-muted); font-size: .9rem; font-weight: 700; }
.oto-hero__proof span { display: inline-flex; align-items: center; gap: 7px; }
.oto-check { display: inline-grid; width: 22px; height: 22px; place-items: center; color: #fff; background: var(--oto-aqua); border-radius: 50%; font-size: .75rem; }
.oto-hero__visual { position: relative; min-height: 545px; }
.oto-hero__image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: 45% 24px 42% 24px; box-shadow: 0 35px 80px rgba(8,37,82,.2); }
.oto-float-card { position: absolute; z-index: 2; display: flex; align-items: center; gap: 12px; max-width: 245px; padding: 14px 17px; background: rgba(255,255,255,.94); border: 1px solid rgba(255,255,255,.7); border-radius: 17px; box-shadow: var(--oto-shadow); backdrop-filter: blur(14px); }
.oto-float-card--one { bottom: 28px; left: -35px; }
.oto-float-card--two { top: 34px; right: -23px; }
.oto-float-card strong { display: block; color: var(--oto-navy); font-size: .92rem; line-height: 1.25; }
.oto-float-card small { color: var(--oto-muted); }
.oto-icon { display: inline-grid; width: 48px; height: 48px; flex: 0 0 auto; place-items: center; color: var(--oto-blue); background: #eaf2ff; border-radius: 14px; }
.oto-icon svg { width: 25px; height: 25px; stroke: currentColor; }

.oto-trust { position: relative; z-index: 3; margin-top: -38px; }
.oto-trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--oto-line); border-radius: 22px; box-shadow: var(--oto-shadow); }
.oto-trust__item { display: flex; align-items: center; gap: 13px; padding: 22px 24px; }
.oto-trust__item + .oto-trust__item { border-left: 1px solid var(--oto-line); }
.oto-trust__item strong { display: block; color: var(--oto-navy); line-height: 1.25; }
.oto-trust__item small { color: var(--oto-muted); }

.oto-hearing-check { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.oto-hearing-check__intro { max-width: 520px; }
.oto-hearing-check__card { padding: clamp(25px, 4vw, 42px); background: #fff; border: 1px solid var(--oto-line); border-radius: 28px; box-shadow: var(--oto-shadow); }
.oto-hearing-check__options { display: grid; gap: 10px; margin: 0 0 20px; }
.oto-symptom { display: flex; width: 100%; align-items: center; gap: 13px; padding: 14px 16px; color: var(--oto-ink); background: var(--oto-soft); border: 1px solid transparent; border-radius: 14px; font-weight: 720; text-align: left; transition: .2s ease; }
.oto-symptom::before { display: grid; width: 25px; height: 25px; flex: 0 0 auto; content: ""; place-items: center; background: #fff; border: 2px solid #c8d6e8; border-radius: 8px; }
.oto-symptom:hover { border-color: rgba(20,92,199,.22); transform: translateY(-1px); }
.oto-symptom[aria-pressed="true"] { color: var(--oto-navy); background: #eef5ff; border-color: rgba(20,92,199,.25); }
.oto-symptom[aria-pressed="true"]::before { content: "✓"; color: #fff; background: var(--oto-blue); border-color: var(--oto-blue); font-size: .8rem; font-weight: 900; }
.oto-hearing-check__result { min-height: 80px; padding: 16px 18px; color: var(--oto-muted); background: linear-gradient(135deg, #f5f8fd, #eefafa); border-radius: 14px; }
.oto-hearing-check__result strong { display: block; margin-bottom: 3px; color: var(--oto-navy); }
.oto-hearing-check__note { margin: 14px 0 0; color: var(--oto-muted); font-size: .78rem; }

.oto-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.oto-filter { padding: 9px 16px; color: var(--oto-muted); background: #fff; border: 1px solid var(--oto-line); border-radius: 999px; font-weight: 750; }
.oto-filter[aria-pressed="true"], .oto-filter:hover { color: #fff; background: var(--oto-navy); border-color: var(--oto-navy); }
.oto-product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 23px; }
.oto-product { position: relative; display: flex; min-height: 100%; flex-direction: column; overflow: hidden; background: #fff; border: 1px solid var(--oto-line); border-radius: var(--oto-radius); box-shadow: var(--oto-shadow-soft); transition: transform .25s ease, box-shadow .25s ease; }
.oto-product:hover { box-shadow: var(--oto-shadow); transform: translateY(-6px); }
.oto-product.is-hidden { display: none; }
.oto-product__media { position: relative; display: grid; min-height: 245px; place-items: center; padding: 22px; background: linear-gradient(145deg, #f1f6ff, #f4fbfb); overflow: hidden; }
.oto-product__media::after { position: absolute; right: -30px; bottom: -45px; width: 150px; height: 150px; content: ""; background: rgba(26,164,216,.12); border-radius: 50%; }
.oto-product__media img { position: relative; z-index: 1; width: 100%; height: 205px; object-fit: contain; transition: transform .35s ease; }
.oto-product:hover .oto-product__media img { transform: scale(1.045); }
.oto-product__badge { position: absolute; z-index: 2; top: 16px; left: 16px; padding: 6px 10px; color: #fff; background: var(--oto-blue); border-radius: 999px; font-size: .7rem; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.oto-product__body { display: flex; flex: 1; flex-direction: column; padding: 25px; }
.oto-product__body h2, .oto-product__body h3 { font-size: 1.42rem; letter-spacing: -.025em; }
.oto-product__brand { margin-bottom: 7px; color: var(--oto-aqua); font-size: .76rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.oto-product__body p { color: var(--oto-muted); }
.oto-product__body .oto-link { margin-top: auto; }

.oto-service { padding: 30px; background: #fff; border: 1px solid var(--oto-line); border-radius: var(--oto-radius); box-shadow: var(--oto-shadow-soft); transition: .25s ease; }
.oto-service:hover { border-color: rgba(20,92,199,.25); transform: translateY(-5px); }
.oto-service .oto-icon { margin-bottom: 20px; }
.oto-service p { color: var(--oto-muted); }
.oto-service--media { overflow: hidden; }
.oto-service--media > img { width: calc(100% + 60px); height: 210px; margin: -30px -30px 22px; object-fit: cover; object-position: center 28%; }

.oto-aid-types { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.oto-aid-types article { padding: 22px 22px 25px; text-align: center; background: #fff; border: 1px solid var(--oto-line); border-radius: var(--oto-radius); box-shadow: var(--oto-shadow-soft); }
.oto-aid-types img { width: 100%; aspect-ratio: 1; object-fit: contain; border-radius: 18px; }
.oto-aid-types h3 { margin-top: 14px; font-size: 1.45rem; }
.oto-aid-types p { margin-bottom: 0; color: var(--oto-muted); }

.oto-education-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: clamp(32px, 6vw, 80px); }
.oto-education-grid figure { margin: 0; }
.oto-education-grid img { width: 100%; max-height: 580px; object-fit: contain; background: #fff; border: 1px solid var(--oto-line); border-radius: 26px; box-shadow: var(--oto-shadow-soft); }

.oto-team-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.oto-team-grid--preview { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.oto-team-grid article { overflow: hidden; background: #fff; border: 1px solid var(--oto-line); border-radius: 20px; box-shadow: var(--oto-shadow-soft); }
.oto-team-grid img { width: 100%; aspect-ratio: 4 / 4.25; object-fit: cover; object-position: center top; }
.oto-team-grid article > div { padding: 18px 20px 20px; }
.oto-team-grid h3 { margin: 0; font-size: 1.08rem; }
.oto-team-grid p { margin: 4px 0 0; color: var(--oto-muted); font-size: .9rem; }
.oto-section-action { margin: 34px 0 0; text-align: center; }

.oto-brand-strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); align-items: center; gap: 18px; padding: 30px; background: #fff; border: 1px solid var(--oto-line); border-radius: 22px; box-shadow: var(--oto-shadow-soft); }
.oto-brand-strip img { width: 100%; height: 60px; padding: 8px; object-fit: contain; filter: saturate(.9); }

.oto-app-promo { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(0, 1.15fr); align-items: center; gap: clamp(35px, 7vw, 90px); }
.oto-app-promo__screens { position: relative; display: flex; min-height: 520px; align-items: flex-end; justify-content: center; gap: 18px; padding: 25px; background: linear-gradient(145deg, #dcecff, #e9f8f8); border-radius: 32px; overflow: hidden; }
.oto-app-promo__screens img { width: min(43%, 230px); max-height: 470px; object-fit: cover; object-position: top; border: 7px solid #fff; border-radius: 24px; box-shadow: var(--oto-shadow); }
.oto-app-promo__screens img:last-child { transform: translateY(-30px); }

.oto-material-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; gap: 20px; }
.oto-material-grid figure { display: grid; min-height: 230px; place-items: center; padding: 25px; margin: 0; background: #fff; border: 1px solid var(--oto-line); border-radius: 22px; box-shadow: var(--oto-shadow-soft); }
.oto-material-grid img { width: 100%; max-height: 260px; object-fit: contain; }

.oto-service-media { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.oto-service-media figure { position: relative; min-height: 420px; margin: 0; overflow: hidden; border-radius: 22px; box-shadow: var(--oto-shadow-soft); }
.oto-service-media img { width: 100%; height: 100%; object-fit: cover; }
.oto-service-media figcaption { position: absolute; right: 15px; bottom: 15px; left: 15px; padding: 12px; color: #fff; background: rgba(7,29,66,.82); border-radius: 12px; font-weight: 800; text-align: center; backdrop-filter: blur(7px); }

.oto-center-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.oto-center-gallery img { width: 100%; height: 300px; object-fit: cover; border-radius: 18px; box-shadow: var(--oto-shadow-soft); }
.oto-center-gallery img:nth-child(2), .oto-center-gallery img:nth-child(5) { object-position: center 65%; }
.oto-doctor-card { display: grid; grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); align-items: center; gap: 55px; padding: 45px; background: #fff; border: 1px solid var(--oto-line); border-radius: 28px; box-shadow: var(--oto-shadow-soft); }
.oto-doctor-card img { width: 100%; max-height: 500px; object-fit: contain; }
.oto-rounded-media { width: 100%; max-height: 620px; object-fit: cover; border-radius: 28px; box-shadow: var(--oto-shadow); }
.oto-content-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 30px 0; }
.oto-content-stats span { display: flex; min-height: 105px; flex-direction: column; justify-content: center; padding: 18px; color: var(--oto-muted); background: #f3f7fd; border: 1px solid var(--oto-line); border-radius: 16px; text-align: center; }
.oto-content-stats strong { color: var(--oto-blue); font-size: 1.8rem; }

.oto-split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(40px, 7vw, 90px); }
.oto-image-stack { position: relative; padding: 0 0 45px 35px; }
.oto-image-stack__main { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 28px; box-shadow: var(--oto-shadow); }
.oto-image-stack__small { position: absolute; right: -18px; bottom: 0; width: 43%; aspect-ratio: 1; object-fit: cover; border: 8px solid #fff; border-radius: 24px; box-shadow: var(--oto-shadow); }
.oto-stat-card { position: absolute; top: 25px; left: 0; padding: 16px 20px; color: #fff; background: var(--oto-navy); border-radius: 17px; box-shadow: var(--oto-shadow); }
.oto-stat-card strong { display: block; font-size: 1.55rem; }
.oto-feature-list { display: grid; gap: 13px; padding: 0; margin: 25px 0 30px; list-style: none; }
.oto-feature-list li { display: flex; align-items: flex-start; gap: 11px; }
.oto-feature-list .oto-check { margin-top: 2px; }

.oto-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: oto-step; }
.oto-step { position: relative; padding: 32px; background: #fff; border: 1px solid var(--oto-line); border-radius: var(--oto-radius); counter-increment: oto-step; }
.oto-step::before { display: grid; width: 48px; height: 48px; margin-bottom: 22px; content: "0" counter(oto-step); place-items: center; color: #fff; background: var(--oto-blue); border-radius: 50%; font-weight: 850; }
.oto-step:not(:last-child)::after { position: absolute; top: 54px; right: -28px; z-index: 2; width: 36px; content: "→"; color: var(--oto-sky); font-size: 1.6rem; text-align: center; }

.oto-center-tools { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 28px; }
.oto-select { min-width: 230px; padding: 12px 44px 12px 16px; color: var(--oto-ink); background: #fff; border: 1px solid var(--oto-line); border-radius: 12px; }
.oto-centers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.oto-center { display: flex; min-height: 100%; flex-direction: column; padding: 26px; background: #fff; border: 1px solid var(--oto-line); border-radius: 20px; box-shadow: var(--oto-shadow-soft); }
.oto-center.is-hidden { display: none; }
.oto-center__city { color: var(--oto-blue); font-size: .75rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.oto-center address { margin-bottom: 20px; color: var(--oto-muted); font-style: normal; }
.oto-center__actions { display: flex; gap: 14px; margin-top: auto; }

.oto-testimonial-shell { position: relative; max-width: 900px; margin-inline: auto; }
.oto-testimonial { display: none; padding: clamp(30px, 5vw, 55px); background: #fff; border: 1px solid var(--oto-line); border-radius: 28px; box-shadow: var(--oto-shadow); text-align: center; }
.oto-testimonial.is-active { display: block; animation: otoFade .35s ease; }
.oto-testimonial blockquote { margin: 0 0 22px; color: var(--oto-navy); font-size: clamp(1.2rem, 2.6vw, 1.75rem); font-weight: 650; line-height: 1.5; }
.oto-testimonial__person strong { display: block; }
.oto-testimonial__person span { color: var(--oto-muted); font-size: .9rem; }
.oto-slider-nav { display: flex; justify-content: center; gap: 9px; margin-top: 22px; }
.oto-slider-nav button { display: grid; width: 44px; height: 44px; place-items: center; color: var(--oto-navy); background: #fff; border: 1px solid var(--oto-line); border-radius: 50%; }
.oto-slider-nav button:hover { color: #fff; background: var(--oto-navy); }

.oto-blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.oto-article-card { overflow: hidden; background: #fff; border: 1px solid var(--oto-line); border-radius: 20px; box-shadow: var(--oto-shadow-soft); }
.oto-article-card__media { display: block; height: 220px; background: linear-gradient(135deg, #e8f1ff, #e9f8f8); overflow: hidden; }
.oto-article-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.oto-article-card:hover img { transform: scale(1.04); }
.oto-article-card__body { padding: 24px; }
.oto-article-card__body h2, .oto-article-card__body h3 { font-size: 1.36rem; letter-spacing: -.025em; }
.oto-article-card__body h2 a, .oto-article-card__body h3 a { color: var(--oto-navy); text-decoration: none; }
.oto-meta { margin-bottom: 10px; color: var(--oto-muted); font-size: .78rem; font-weight: 750; }

.oto-faq { max-width: 880px; margin-inline: auto; }
.oto-faq__item { border-bottom: 1px solid var(--oto-line); }
.oto-faq__button { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; color: var(--oto-navy); background: transparent; border: 0; font-weight: 800; text-align: left; }
.oto-faq__button::after { display: grid; width: 32px; height: 32px; flex: 0 0 auto; content: "+"; place-items: center; color: var(--oto-blue); background: #eaf2ff; border-radius: 50%; font-size: 1.25rem; transition: transform .2s ease; }
.oto-faq__button[aria-expanded="true"]::after { content: "−"; transform: rotate(180deg); }
.oto-faq__panel { display: none; padding: 0 50px 20px 0; color: var(--oto-muted); }
.oto-faq__panel.is-open { display: block; }

.oto-cta { color: #fff; background: radial-gradient(circle at 85% 15%, rgba(26,164,216,.33), transparent 30%), linear-gradient(120deg, var(--oto-navy), #124d9d); border-radius: 32px; overflow: hidden; }
.oto-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: clamp(36px, 6vw, 70px); }
.oto-cta h2, .oto-cta p { color: #fff; }
.oto-cta__copy { max-width: 720px; }

.oto-page-hero { padding: 80px 0 60px; background: linear-gradient(135deg, #eff5ff, #f3fbfb); }
.oto-page-hero__inner { max-width: 820px; }
.oto-breadcrumbs { margin-bottom: 16px; color: var(--oto-muted); font-size: .84rem; }
.oto-breadcrumbs a { color: var(--oto-blue); text-decoration: none; }
.oto-content { padding: 70px 0 100px; }
.oto-prose { width: min(100%, 820px); margin-inline: auto; }
.oto-prose > * + * { margin-top: 1.25em; }
.oto-prose h2, .oto-prose h3 { margin-top: 1.7em; }
.oto-prose img { border-radius: 18px; box-shadow: var(--oto-shadow-soft); }
.oto-prose > p { color: #33445f; }
.oto-prose blockquote { padding: 22px 25px; margin-inline: 0; color: var(--oto-navy); background: #f1f6ff; border-left: 4px solid var(--oto-blue); border-radius: 0 15px 15px 0; }
.oto-prose ul li + li, .oto-prose ol li + li { margin-top: .45rem; }
.oto-prose a { overflow-wrap: anywhere; }
.oto-language-note { padding: 14px 18px; color: #27466d; background: #edf6ff; border: 1px solid #cfe4f8; border-radius: 13px; font-size: .92rem; }
.oto-language-note a { margin-left: 6px; font-weight: 850; }
.oto-post-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 25px; border-top: 1px solid var(--oto-line); }
.oto-related { margin-top: 60px; padding: 32px; background: #f3f7fd; border: 1px solid var(--oto-line); border-radius: 22px; }
.oto-related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.oto-related__grid a { display: flex; min-height: 128px; flex-direction: column; justify-content: space-between; padding: 18px; color: var(--oto-navy); background: #fff; border: 1px solid var(--oto-line); border-radius: 15px; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.oto-related__grid a:hover { border-color: #b7caf0; box-shadow: var(--oto-shadow-soft); transform: translateY(-3px); }
.oto-related__grid span { font-weight: 800; line-height: 1.35; }
.oto-related__grid small { margin-top: 16px; color: var(--oto-muted); }
.oto-pagination { margin-top: 40px; }
.oto-pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; }
.oto-pagination .page-numbers { display: grid; min-width: 42px; height: 42px; place-items: center; padding: 0 10px; color: var(--oto-navy); background: #fff; border: 1px solid var(--oto-line); border-radius: 10px; text-decoration: none; }
.oto-pagination .current { color: #fff; background: var(--oto-blue); border-color: var(--oto-blue); }
.oto-search-form { display: flex; max-width: 650px; gap: 8px; }
.oto-search-form input { flex: 1; padding: 14px 16px; border: 1px solid var(--oto-line); border-radius: 12px; }
.oto-empty { padding: 60px 0; text-align: center; }

.oto-site-footer { padding-top: 75px; color: #cbd8ec; background: #071d42; }
.oto-footer-grid { display: grid; grid-template-columns: 1.3fr .75fr .8fr 1fr; gap: 50px; padding-bottom: 55px; }
.oto-footer-brand img { width: 190px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.oto-site-footer h3 { color: #fff; font-size: 1rem; letter-spacing: 0; }
.oto-site-footer p { color: #afc0da; }
.oto-footer-links { padding: 0; margin: 0; list-style: none; }
.oto-footer-links li + li { margin-top: 9px; }
.oto-footer-links a { color: #cbd8ec; text-decoration: none; }
.oto-footer-links a:hover { color: #fff; }
.oto-footer-bottom { display: flex; min-height: 65px; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: .84rem; }
.oto-footer-bottom a { color: #fff; }
.oto-whatsapp { position: fixed; z-index: 900; right: 22px; bottom: 22px; display: grid; width: 58px; height: 58px; place-items: center; color: #fff; background: #20b85a; border-radius: 50%; box-shadow: 0 14px 35px rgba(32,184,90,.34); text-decoration: none; transition: transform .2s ease; }
.oto-whatsapp:hover { color: #fff; transform: translateY(-4px) scale(1.02); }
.oto-whatsapp svg { width: 29px; height: 29px; fill: currentColor; }
.oto-mobile-actions { display: none; }

.oto-reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.oto-reveal.is-visible { opacity: 1; transform: none; }
@keyframes otoFade { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }


/* OTOFON v3 rich ReSound experience */
.oto-section--resound { background: linear-gradient(180deg, #fff 0%, #f6f9ff 100%); }
.oto-resound-showcase { display: grid; grid-template-columns: repeat(5, minmax(240px, 1fr)); gap: 18px; margin-top: 32px; overflow-x: auto; padding: 4px 2px 18px; scroll-snap-type: x proximity; }
.oto-resound-card { min-width: 240px; overflow: hidden; background: #fff; border: 1px solid var(--oto-line); border-radius: 24px; box-shadow: var(--oto-shadow-soft); scroll-snap-align: start; }
.oto-resound-card__media { display: grid; min-height: 245px; place-items: center; padding: 24px; background: radial-gradient(circle at 75% 25%, rgba(26,164,216,.14), transparent 38%), #f4f8ff; }
.oto-resound-card__media img { width: 100%; height: 210px; object-fit: contain; }
.oto-resound-card__body { padding: 24px; }
.oto-resound-card__label { display: inline-block; margin-bottom: 8px; color: var(--oto-blue); font-size: .75rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.oto-resound-card h3 { margin-bottom: 8px; font-size: 1.55rem; }
.oto-resound-card__title { display: block; margin-bottom: 12px; color: var(--oto-ink); font-size: .95rem; line-height: 1.4; }
.oto-resound-card p { min-height: 94px; margin-bottom: 17px; color: var(--oto-muted); font-size: .92rem; }
.oto-chip-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0 20px; }
.oto-chip-row span { padding: 7px 10px; color: var(--oto-blue); background: #eef5ff; border: 1px solid rgba(20,92,199,.1); border-radius: 999px; font-size: .72rem; font-weight: 800; }
.oto-chip-row--hero { margin-top: 22px; }
.oto-chip-row--hero span { padding: 8px 12px; color: var(--oto-navy); background: rgba(255,255,255,.78); border-color: rgba(9,43,99,.1); }
.oto-section-action { margin: 24px 0 0; text-align: center; }

.oto-section--technology { background: radial-gradient(circle at 12% 15%, rgba(26,164,216,.09), transparent 25%), #fbfdff; }
.oto-tech-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.oto-tech-card { padding: 28px; background: #fff; border: 1px solid var(--oto-line); border-radius: 22px; box-shadow: var(--oto-shadow-soft); }
.oto-tech-card img { width: 92px; height: 92px; margin-bottom: 22px; object-fit: contain; object-position: left center; }
.oto-tech-card h3 { margin-bottom: 10px; font-size: 1.18rem; }
.oto-tech-card p { margin: 0; color: var(--oto-muted); font-size: .94rem; }
.oto-tech-note { max-width: 880px; margin: 24px auto 0; color: var(--oto-muted); font-size: .86rem; text-align: center; }

.oto-page-hero--product { background: radial-gradient(circle at 85% 20%, rgba(26,164,216,.18), transparent 24%), linear-gradient(135deg, #eef5ff, #f4fbfb); }
.oto-product-hero__media { min-height: 430px; border-radius: 30px; box-shadow: var(--oto-shadow); }
.oto-product-detail { grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); }
.oto-product-summary { position: sticky; top: 130px; }
.oto-material-grid--rich { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.oto-material-grid--rich figure:first-child { grid-column: span 2; }
.oto-section--ecosystem { background: linear-gradient(135deg, #f4f8ff, #eef9f8); }
.oto-ecosystem-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.oto-ecosystem-grid figure { display: grid; min-height: 190px; place-items: center; padding: 20px; margin: 0; background: #fff; border: 1px solid var(--oto-line); border-radius: 20px; box-shadow: var(--oto-shadow-soft); text-align: center; }
.oto-ecosystem-grid img { width: 100%; max-width: 150px; max-height: 120px; object-fit: contain; }
.oto-ecosystem-grid figcaption { margin-top: 10px; color: var(--oto-navy); font-size: .82rem; font-weight: 800; }

.oto-section--gallery { background: #fff; }
.oto-media-mosaic { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 230px; gap: 16px; }
.oto-media-mosaic figure { overflow: hidden; margin: 0; border-radius: 22px; box-shadow: var(--oto-shadow-soft); }
.oto-media-mosaic figure.is-wide { grid-column: span 2; }
.oto-media-mosaic img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.oto-media-mosaic figure:hover img { transform: scale(1.035); }


/* v3.1 richer homepage hero and structure */
.oto-hero--media { position: relative; padding-top: clamp(54px, 6vw, 88px); padding-bottom: clamp(68px, 7vw, 100px); background: linear-gradient(110deg,#f7faff 0%,#eef5ff 48%,#eefafa 100%); }
.oto-hero--media .oto-hero__grid { grid-template-columns: .9fr 1.1fr; gap: clamp(34px,5vw,72px); }
.oto-hero--media .oto-hero__copy { max-width: 620px; }
.oto-hero--media .oto-hero__proof { gap: 10px 18px; }
.oto-hero-showcase { min-width: 0; }
.oto-hero-showcase__stage { position: relative; min-height: 540px; overflow: hidden; background: #071d42; border-radius: 30px; box-shadow: 0 30px 80px rgba(8,37,82,.24); }
.oto-hero-panel { position: absolute; inset: 0; opacity: 0; visibility: hidden; transform: scale(1.015); transition: opacity .45s ease, transform .45s ease, visibility .45s ease; }
.oto-hero-panel.is-active { opacity: 1; visibility: visible; transform: scale(1); }
.oto-hero-panel > img { width: 100%; height: 100%; object-fit: cover; }
.oto-hero-panel--product { display: grid; place-items: center; padding: 48px 28px 90px; background: radial-gradient(circle at 65% 20%,rgba(255,255,255,.23),transparent 28%),linear-gradient(145deg,#0d2e62,#0d6f9c); }
.oto-hero-panel--product > img { height: auto; max-height: 320px; object-fit: contain; filter: drop-shadow(0 24px 38px rgba(0,0,0,.25)); }
.oto-hero-panel__caption, .oto-video-frame__label { position: absolute; z-index: 4; right: 22px; bottom: 22px; left: 22px; padding: 17px 19px; color: #fff; background: rgba(5,25,58,.76); border: 1px solid rgba(255,255,255,.18); border-radius: 18px; backdrop-filter: blur(14px); }
.oto-hero-panel__caption span, .oto-video-frame__label span { display: block; margin-bottom: 3px; color: #86d9f3; font-size: .72rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.oto-hero-panel__caption strong, .oto-video-frame__label strong { font-size: 1rem; line-height: 1.3; }
.oto-video-frame { position: absolute; inset: 0; overflow: hidden; background: #071d42; }
.oto-video-frame iframe { position: absolute; top: 50%; left: 50%; width: 177.78%; height: 100%; min-width: 100%; min-height: 56.25vw; border: 0; transform: translate(-50%,-50%); pointer-events: none; }
.oto-video-frame__shade { position: absolute; inset: 0; z-index: 2; background: linear-gradient(180deg,rgba(4,18,43,.04),rgba(4,18,43,.1) 48%,rgba(4,18,43,.7)); }
.oto-hero-showcase__tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-top: 12px; }
.oto-hero-showcase__tabs button { display: flex; min-width: 0; align-items: center; gap: 9px; padding: 12px 13px; color: var(--oto-muted); background: #fff; border: 1px solid var(--oto-line); border-radius: 13px; font-size: .82rem; font-weight: 800; text-align: left; transition: .2s ease; }
.oto-hero-showcase__tabs button span { display: grid; width: 30px; height: 30px; flex: 0 0 auto; place-items: center; color: var(--oto-blue); background: #edf4ff; border-radius: 9px; font-size: .69rem; }
.oto-hero-showcase__tabs button:hover, .oto-hero-showcase__tabs button.is-active { color: #fff; background: var(--oto-navy); border-color: var(--oto-navy); }
.oto-hero-showcase__tabs button.is-active span { color: var(--oto-navy); background: #fff; }

.oto-quick-links { position: relative; z-index: 5; margin-top: -20px; }
.oto-quick-links__grid { display: grid; grid-template-columns: repeat(5,1fr); overflow: hidden; background: #fff; border: 1px solid var(--oto-line); border-radius: 22px; box-shadow: var(--oto-shadow); }
.oto-quick-links__grid > a { display: grid; min-height: 150px; align-content: center; gap: 7px; padding: 20px 18px; color: var(--oto-ink); text-decoration: none; transition: background .2s ease, transform .2s ease; }
.oto-quick-links__grid > a + a { border-left: 1px solid var(--oto-line); }
.oto-quick-links__grid > a:hover { background: #f5f9ff; }
.oto-quick-links__grid .oto-icon { width: 42px; height: 42px; margin-bottom: 3px; border-radius: 12px; }
.oto-quick-links__grid strong { color: var(--oto-navy); font-size: .98rem; line-height: 1.2; }
.oto-quick-links__grid small { color: var(--oto-muted); line-height: 1.35; }

.oto-section--intro-premium { padding-top: 92px; }
.oto-intro-premium { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(38px,6vw,84px); }
.oto-intro-premium__media { position: relative; min-height: 540px; }
.oto-intro-premium__main { position: absolute; top: 0; right: 9%; bottom: 12%; left: 0; overflow: hidden; border-radius: 28px; box-shadow: var(--oto-shadow); }
.oto-intro-premium__main img, .oto-intro-premium__side img { width: 100%; height: 100%; object-fit: cover; }
.oto-intro-premium__side { position: absolute; right: 0; bottom: 0; width: 44%; height: 40%; overflow: hidden; border: 8px solid #fff; border-radius: 23px; box-shadow: var(--oto-shadow); }
.oto-intro-premium__badge { position: absolute; top: 36px; left: -18px; display: flex; min-width: 180px; align-items: center; gap: 11px; padding: 14px 16px; color: #fff; background: var(--oto-blue); border-radius: 16px; box-shadow: var(--oto-shadow); }
.oto-intro-premium__badge strong { font-size: 1.65rem; }
.oto-intro-premium__badge span { max-width: 96px; font-size: .78rem; font-weight: 750; line-height: 1.2; }
.oto-intro-premium__features { display: grid; gap: 0; margin-top: 28px; border-top: 1px solid var(--oto-line); }
.oto-intro-premium__features > div { display: grid; grid-template-columns: 44px 1fr; column-gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--oto-line); }
.oto-intro-premium__features > div > span { grid-row: span 2; display: grid; width: 38px; height: 38px; place-items: center; color: var(--oto-blue); background: #edf4ff; border-radius: 11px; font-size: .72rem; font-weight: 900; }
.oto-intro-premium__features strong { color: var(--oto-navy); }
.oto-intro-premium__features p { margin: 3px 0 0; color: var(--oto-muted); font-size: .9rem; }

@media (max-width: 1060px) {
  .oto-menu-toggle { display: block; }
  .oto-nav-shell { position: fixed; z-index: 999; top: 118px; right: 18px; left: 18px; display: none; max-height: calc(100vh - 140px); align-items: stretch; padding: 18px; overflow-y: auto; background: #fff; border: 1px solid var(--oto-line); border-radius: 20px; box-shadow: var(--oto-shadow); }
  .admin-bar .oto-nav-shell { top: 150px; }
  .oto-nav-shell.is-open { display: block; }
  .oto-menu { display: block; }
  .oto-menu a { padding: 13px 12px; }
  .oto-menu .sub-menu { display: none !important; }
  .oto-nav-shell > .oto-btn { width: 100%; margin-top: 12px; }
  .oto-lang { margin-top: 12px; }
  .oto-hero__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .oto-hero--media .oto-hero__grid { grid-template-columns: .9fr 1.1fr; gap: 32px; }
  .oto-quick-links__grid { grid-template-columns: repeat(3,1fr); }
  .oto-quick-links__grid > a:nth-child(4) { border-left: 0; border-top: 1px solid var(--oto-line); }
  .oto-quick-links__grid > a:nth-child(5) { border-top: 1px solid var(--oto-line); }
  .oto-product-grid, .oto-centers, .oto-blog-grid { grid-template-columns: repeat(2, 1fr); }
  .oto-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .oto-tech-grid { grid-template-columns: repeat(2, 1fr); }
  .oto-media-mosaic { grid-template-columns: repeat(2, 1fr); }
  .oto-material-grid--rich { grid-template-columns: repeat(2, 1fr); }
  .oto-product-detail { grid-template-columns: 1fr; }
  .oto-product-summary { position: static; }
  .oto-team-grid--preview, .oto-service-media { grid-template-columns: repeat(2, 1fr); }
  .oto-brand-strip { grid-template-columns: repeat(3, 1fr); }
  .oto-footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .oto-footer-grid > :last-child { grid-column: 1 / -1; }
}

@media (max-width: 780px) {
  .admin-bar .oto-site-header { top: 46px; }
  .oto-topbar__inner { justify-content: center; }
  .oto-topbar__group--secondary { display: none; }
  .oto-brand { width: 160px; }
  .oto-navbar { min-height: 70px; }
  .oto-nav-shell { top: 102px; }
  .admin-bar .oto-nav-shell { top: 148px; }
  .oto-hero { min-height: auto; padding-top: 60px; }
  .oto-hero__grid, .oto-hero--media .oto-hero__grid, .oto-split, .oto-hearing-check, .oto-intro-premium { grid-template-columns: 1fr; }
  .oto-hero-showcase__stage { min-height: 470px; }
  .oto-intro-premium__media { min-height: 470px; }
  .oto-quick-links { margin-top: 18px; }
  .oto-education-grid, .oto-app-promo, .oto-doctor-card { grid-template-columns: 1fr; }
  .oto-team-grid { grid-template-columns: repeat(2, 1fr); }
  .oto-material-grid { grid-template-columns: repeat(2, 1fr); }
  .oto-center-gallery { grid-template-columns: repeat(2, 1fr); }
  .oto-related__grid { grid-template-columns: 1fr; }
  .oto-hero__visual { min-height: 440px; }
  .oto-float-card--one { left: 10px; }
  .oto-float-card--two { right: 8px; }
  .oto-trust { margin-top: 20px; }
  .oto-trust__grid { grid-template-columns: repeat(2, 1fr); }
  .oto-trust__item + .oto-trust__item { border-left: 0; }
  .oto-trust__item:nth-child(even) { border-left: 1px solid var(--oto-line); }
  .oto-trust__item:nth-child(n+3) { border-top: 1px solid var(--oto-line); }
  .oto-grid--3, .oto-steps { grid-template-columns: 1fr; }
  .oto-step:not(:last-child)::after { display: none; }
  .oto-image-stack { padding-left: 0; }
  .oto-center-tools, .oto-cta__inner { align-items: flex-start; flex-direction: column; }
  .oto-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .oto-footer-grid > :last-child { grid-column: auto; }
}

@media (max-width: 560px) {
  .oto-wrap { width: min(calc(100% - 28px), var(--oto-wrap)); }
  .oto-section { padding: 66px 0; }
  .oto-hero h1 { font-size: clamp(2.35rem, 13vw, 3.5rem); }
  .oto-hero-showcase__stage { min-height: 380px; border-radius: 22px; }
  .oto-hero-showcase__tabs { grid-template-columns: 1fr; }
  .oto-video-frame iframe { width: 220%; }
  .oto-quick-links__grid { grid-template-columns: 1fr 1fr; border-radius: 18px; }
  .oto-quick-links__grid > a { min-height: 132px; }
  .oto-quick-links__grid > a:nth-child(odd) { border-left: 0; }
  .oto-quick-links__grid > a:nth-child(n+3) { border-top: 1px solid var(--oto-line); }
  .oto-intro-premium__media { min-height: 390px; }
  .oto-intro-premium__badge { left: 10px; top: 18px; }
  .oto-hero__visual { min-height: 350px; }
  .oto-hero__image { border-radius: 25px 25px 42% 25px; }
  .oto-float-card { max-width: 215px; padding: 11px; }
  .oto-float-card--two { top: 15px; }
  .oto-product-grid, .oto-centers, .oto-blog-grid, .oto-grid--2, .oto-grid--4, .oto-tech-grid, .oto-material-grid--rich { grid-template-columns: 1fr; }
  .oto-material-grid--rich figure:first-child { grid-column: auto; }
  .oto-media-mosaic { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .oto-media-mosaic figure.is-wide { grid-column: auto; }
  .oto-resound-showcase { grid-template-columns: repeat(5, minmax(82vw, 1fr)); margin-right: -14px; padding-right: 14px; }
  .oto-resound-card p { min-height: 0; }
  .oto-product-hero__media { min-height: 330px; }
  .oto-aid-types, .oto-team-grid, .oto-team-grid--preview, .oto-material-grid, .oto-service-media, .oto-center-gallery, .oto-content-stats { grid-template-columns: 1fr; }
  .oto-app-promo__screens { min-height: 390px; padding: 16px; }
  .oto-app-promo__screens img { width: 45%; max-height: 350px; border-width: 5px; }
  .oto-service-media figure { min-height: 360px; }
  .oto-center-gallery img { height: 260px; }
  .oto-doctor-card { gap: 20px; padding: 25px 20px; }
  .oto-trust__grid { grid-template-columns: 1fr; }
  .oto-trust__item:nth-child(even) { border-left: 0; }
  .oto-trust__item + .oto-trust__item { border-top: 1px solid var(--oto-line); }
  .oto-center-tools { align-items: stretch; }
  .oto-select { width: 100%; min-width: 0; }
  .oto-footer-grid { grid-template-columns: 1fr; }
  .oto-related { padding: 23px 18px; }
  .oto-footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding: 18px 0; }
  .oto-whatsapp { right: 15px; bottom: 15px; width: 53px; height: 53px; }
  body { padding-bottom: 68px; }
  .oto-whatsapp { display: none; }
  .oto-mobile-actions { position: fixed; z-index: 1100; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; padding: 9px 12px calc(9px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); border-top: 1px solid var(--oto-line); box-shadow: 0 -12px 35px rgba(8,37,82,.12); backdrop-filter: blur(14px); }
  .oto-mobile-actions a { display: flex; min-height: 46px; align-items: center; justify-content: center; gap: 8px; color: #fff; background: var(--oto-blue); border-radius: 12px; font-size: .88rem; font-weight: 850; text-decoration: none; }
  .oto-mobile-actions a:last-child { background: #20a85a; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .oto-reveal { opacity: 1; transform: none; }
}

@media print {
  .oto-topbar, .oto-site-header, .oto-whatsapp, .oto-site-footer, .oto-hero__actions { display: none !important; }
  body { color: #000; background: #fff; }
  .oto-section { padding: 25px 0; }
}

/* OTOFON Signature 4.0 — dark clinical editorial concept */
:root {
  --oto-navy: #061d41;
  --oto-blue: #1769e0;
  --oto-sky: #43c7ef;
  --oto-mint: #eaf9f8;
  --oto-aqua: #087f82;
  --oto-orange: #ff8b38;
  --oto-ink: #10233d;
  --oto-muted: #60738e;
  --oto-soft: #f3f7fb;
  --oto-line: #d9e4ef;
  --oto-shadow: 0 24px 70px rgba(5, 28, 64, .14);
  --oto-shadow-soft: 0 12px 38px rgba(5, 28, 64, .09);
  --oto-radius: 26px;
  --oto-wrap: 1240px;
}

.oto-topbar {
  background: #03142e;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.oto-topbar__group a { color: #fff; font-weight: 850; letter-spacing: .02em; }
.oto-site-header { background: rgba(255, 255, 255, .97); }
.oto-navbar { min-height: 84px; }
.oto-brand { width: 205px; }
.oto-menu { gap: 5px; }
.oto-menu a { padding: 11px 12px; }
.oto-btn svg { width: 18px; height: 18px; stroke: currentColor; }

.oto-hero--signature {
  position: relative;
  min-height: 720px;
  padding: clamp(72px, 8vw, 118px) 0 clamp(88px, 9vw, 130px);
  color: #d8e6fa;
  background:
    radial-gradient(circle at 77% 18%, rgba(67, 199, 239, .18), transparent 27%),
    radial-gradient(circle at 40% 100%, rgba(23, 105, 224, .22), transparent 32%),
    linear-gradient(120deg, #03142e 0%, #071f46 54%, #0b3562 100%);
  overflow: hidden;
}
.oto-hero--signature::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 70%);
  mask-image: linear-gradient(90deg, #000, transparent 70%);
  pointer-events: none;
}
.oto-hero--signature::after {
  position: absolute;
  bottom: -230px;
  left: -130px;
  width: 620px;
  height: 620px;
  content: "";
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(255,255,255,.025), 0 0 0 160px rgba(255,255,255,.018);
  pointer-events: none;
}
.oto-hero--signature .oto-hero__grid {
  position: relative;
  z-index: 2;
  grid-template-columns: minmax(0, .92fr) minmax(470px, 1.08fr);
  gap: clamp(44px, 7vw, 96px);
}
.oto-hero--signature .oto-hero__copy { max-width: 650px; }
.oto-hero--signature .oto-eyebrow { color: #8dddf4; }
.oto-hero--signature h1 { max-width: 780px; color: #fff; font-size: clamp(3rem, 6vw, 6rem); }
.oto-hero--signature h1 span { display: block; color: #9ee7f7; }
.oto-hero--signature .oto-lead { max-width: 650px; color: #c3d3e9; font-size: clamp(1.06rem, 1.7vw, 1.28rem); }
.oto-hero--signature .oto-btn--ghost {
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .22);
  backdrop-filter: blur(12px);
}
.oto-hero--signature .oto-btn--ghost:hover { color: #061d41; background: #fff; }
.oto-hero__metrics {
  display: grid;
  max-width: 610px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  border-bottom: 1px solid rgba(255, 255, 255, .16);
}
.oto-hero__metrics > div { padding: 18px 18px 18px 0; }
.oto-hero__metrics > div + div { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.16); }
.oto-hero__metrics strong { display: block; margin-bottom: 2px; color: #fff; font-size: clamp(1.35rem, 2vw, 1.9rem); line-height: 1.15; }
.oto-hero__metrics span { color: #9fb5d2; font-size: .82rem; font-weight: 750; }

.oto-signature-stage {
  position: relative;
  min-height: 585px;
  padding: 24px;
  overflow: hidden;
  background: linear-gradient(150deg, rgba(255,255,255,.13), rgba(255,255,255,.055));
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 34px;
  box-shadow: 0 42px 100px rgba(0, 8, 25, .42);
  isolation: isolate;
}
.oto-signature-stage::before {
  position: absolute;
  inset: 12px;
  z-index: -1;
  content: "";
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 26px;
}
.oto-signature-stage__glow {
  position: absolute;
  top: 10%;
  left: 50%;
  width: 430px;
  height: 430px;
  background: radial-gradient(circle, rgba(89, 217, 247, .32), rgba(23,105,224,.11) 42%, transparent 70%);
  border-radius: 50%;
  filter: blur(5px);
  transform: translateX(-50%);
}
.oto-signature-stage__topline {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 4px 4px 18px;
  color: #c6d7ed;
  border-bottom: 1px solid rgba(255,255,255,.12);
  font-size: .82rem;
}
.oto-signature-stage__topline span { color: #8dddf4; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.oto-signature-stage__device {
  position: absolute;
  z-index: 2;
  top: 80px;
  right: 8%;
  left: 8%;
  display: grid;
  height: 330px;
  place-items: center;
}
.oto-signature-stage__device img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 34px 34px rgba(0, 0, 0, .34));
  transform: scale(1.08);
}
.oto-signature-stage__caption {
  position: absolute;
  z-index: 3;
  right: 24px;
  bottom: 66px;
  left: 24px;
  padding: 22px 24px;
  background: rgba(2, 18, 43, .74);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 20px;
  backdrop-filter: blur(18px);
}
.oto-signature-stage__caption > span { color: #ffab6c; font-size: .7rem; font-weight: 900; letter-spacing: .13em; }
.oto-signature-stage__caption h2 { margin: 4px 0 5px; color: #fff; font-size: clamp(1.5rem, 3vw, 2.35rem); }
.oto-signature-stage__caption p { margin: 0 0 8px; color: #c0d1e8; font-size: .93rem; }
.oto-signature-stage__caption a { color: #fff; font-size: .88rem; font-weight: 850; text-decoration: none; }
.oto-signature-stage__rail {
  position: absolute;
  z-index: 3;
  right: 24px;
  bottom: 22px;
  left: 24px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.oto-signature-stage__rail::-webkit-scrollbar { display: none; }
.oto-signature-stage__rail span { flex: 0 0 auto; padding: 7px 10px; color: #9fdff1; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.11); border-radius: 999px; font-size: .68rem; font-weight: 800; }

.oto-quick-links { margin-top: -42px; }
.oto-quick-links__grid { border-color: rgba(9, 43, 99, .1); border-radius: 26px; }
.oto-quick-links__grid > a { min-height: 158px; }
.oto-quick-links__grid > a:first-child { background: #fff7f1; }
.oto-quick-links__grid > a:first-child .oto-icon { color: #fff; background: var(--oto-orange); }
.oto-section--resound { background: linear-gradient(180deg, #fff, #eef4fb); }
.oto-resound-card { border-radius: 28px; }
.oto-resound-card__media { background: radial-gradient(circle at 72% 24%, rgba(67,199,239,.22), transparent 36%), #eaf1f9; }
.oto-product { border-radius: 28px; }
.oto-product__media { background: radial-gradient(circle at 72% 24%, rgba(67,199,239,.18), transparent 34%), #edf3fa; }
.oto-section--technology { background: #061d41; }
.oto-section--technology .oto-eyebrow { color: #8dddf4; }
.oto-section--technology h2 { color: #fff; }
.oto-section--technology .oto-lead, .oto-section--technology .oto-tech-note { color: #b5c8e0; }
.oto-section--technology .oto-tech-card { background: rgba(255,255,255,.075); border-color: rgba(255,255,255,.12); box-shadow: none; }
.oto-section--technology .oto-tech-card h3 { color: #fff; }
.oto-section--technology .oto-tech-card p { color: #b5c8e0; }
.oto-cta__inner { background: linear-gradient(120deg, #061d41, #0b4475); }
.oto-site-footer { background: #03142e; }

@media (max-width: 1060px) {
  .oto-hero--signature .oto-hero__grid { grid-template-columns: minmax(0, .9fr) minmax(390px, 1.1fr); gap: 34px; }
  .oto-hero--signature h1 { font-size: clamp(2.9rem, 6.8vw, 4.8rem); }
  .oto-signature-stage { min-height: 535px; }
  .oto-signature-stage__device { height: 290px; }
}

@media (max-width: 780px) {
  .oto-brand { width: 175px; }
  .oto-hero--signature { min-height: auto; padding: 66px 0 94px; }
  .oto-hero--signature .oto-hero__grid { grid-template-columns: 1fr; }
  .oto-hero--signature .oto-hero__copy { max-width: none; }
  .oto-hero--signature h1 { font-size: clamp(3rem, 12vw, 5rem); }
  .oto-signature-stage { min-height: 560px; }
  .oto-signature-stage__device { height: 320px; }
  .oto-quick-links { margin-top: -26px; }
}

@media (max-width: 560px) {
  .oto-topbar__group { width: 100%; justify-content: space-between; gap: 10px; }
  .oto-topbar__group span { max-width: 56%; font-size: .74rem; line-height: 1.2; }
  .oto-topbar__group a { font-size: .79rem; white-space: nowrap; }
  .oto-hero--signature { padding-top: 52px; }
  .oto-hero--signature h1 { font-size: clamp(2.75rem, 14vw, 4.05rem); }
  .oto-hero--signature .oto-lead { font-size: 1.04rem; }
  .oto-hero--signature .oto-hero__actions { align-items: stretch; flex-direction: column; }
  .oto-hero--signature .oto-btn { width: 100%; }
  .oto-hero__metrics { grid-template-columns: 1fr; }
  .oto-hero__metrics > div { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; }
  .oto-hero__metrics > div + div { padding-left: 0; border-top: 1px solid rgba(255,255,255,.14); border-left: 0; }
  .oto-hero__metrics strong { font-size: 1.3rem; }
  .oto-signature-stage { min-height: 475px; padding: 18px; border-radius: 25px; }
  .oto-signature-stage__topline { align-items: flex-start; flex-direction: column; gap: 3px; }
  .oto-signature-stage__device { top: 92px; right: 2%; left: 2%; height: 240px; }
  .oto-signature-stage__caption { right: 18px; bottom: 56px; left: 18px; padding: 17px; }
  .oto-signature-stage__caption p { display: none; }
  .oto-signature-stage__rail { right: 18px; bottom: 16px; left: 18px; }
  .oto-quick-links { margin-top: -20px; }
}