/* =========================================================
   ETL Verfahrenstechnik GmbH – Landingpage (Asien)
   Markenfarben aus etl-technology.de
   ========================================================= */

:root {
  /* Markenpalette */
  --navy:        #0B3388;   /* Primär (ETL-Logo) */
  --navy-dark:   #051841;   /* Dunkel / Verläufe */
  --navy-700:    #0a2a6e;
  --teal:        #319FC0;   /* Akzent / Links */
  --gold:        #E9C46A;   /* Warmer Akzent */
  --blue-soft:   #8599C4;   /* Sekundär-Blau */

  /* Neutral */
  --ink:         #212121;
  --text:        #313131;
  --muted:       #666666;
  --line:        #e3e6ee;
  --bg:          #ffffff;
  --bg-alt:      #f6f8fc;
  --bg-dark:     #0B3388;

  /* System – global eckig (keine abgerundeten Ecken) */
  --radius:      0;
  --radius-sm:   0;
  --shadow:      0 10px 30px rgba(11, 51, 136, .10);
  --shadow-sm:   0 4px 14px rgba(11, 51, 136, .08);
  --container:   1200px;
  --ease:        cubic-bezier(.4, 0, .2, 1);

  --font-head: 'Oswald', 'Segoe UI', sans-serif;
  --font-body: 'Open Sans', 'Segoe UI', system-ui, sans-serif;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--navy); }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); line-height: 1.15; font-weight: 600; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
p  { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 860px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-head); font-weight: 500; letter-spacing: .03em;
  text-transform: uppercase; font-size: .92rem;
  padding: .85rem 1.7rem; border-radius: var(--radius-sm);
  border: 2px solid transparent; cursor: pointer; transition: all .25s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-dark); border-color: var(--navy-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: .6rem 1.1rem; font-size: .82rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; min-height: 96px; }
.logo img { height: 64px; width: auto; }
.main-nav { display: flex; gap: 1.6rem; margin-left: auto; }
.main-nav a {
  font-family: var(--font-head); font-weight: 500; color: var(--ink);
  font-size: 1.25rem; letter-spacing: .02em; padding: .3rem 0; position: relative;
}
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--teal); transition: width .25s var(--ease);
}
.main-nav a:hover { color: var(--navy); }
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 1rem; }

/* Sprach-Dropdown (wie auf etl-technology.de) */
.lang-dropdown { position: relative; }
.lang-current {
  display: flex; align-items: center; gap: .5rem; cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: 0;
  padding: .45rem .7rem; font-family: var(--font-head); font-weight: 500;
  font-size: .9rem; color: var(--ink); letter-spacing: .03em;
}
.lang-current:hover { border-color: var(--navy); }
.flag { width: 22px; height: 15px; object-fit: cover; border-radius: 0; box-shadow: 0 0 0 1px rgba(0,0,0,.06); display: block; }
.caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--muted); transition: transform .25s var(--ease); }
.lang-dropdown.open .caret { transform: rotate(180deg); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 190px;
  list-style: none; margin: 0; padding: .4rem; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all .2s var(--ease); z-index: 110;
}
.lang-dropdown.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu a {
  display: flex; align-items: center; gap: .6rem; padding: .55rem .7rem; border-radius: 0;
  color: var(--ink); font-size: .92rem; font-family: var(--font-body); font-weight: 500;
}
.lang-menu a:hover { background: var(--bg-alt); }
.lang-menu li[aria-current="true"] a { background: rgba(11,51,136,.07); color: var(--navy); }
.lang-menu li.disabled a { color: var(--muted); cursor: not-allowed; }
.lang-menu em { color: var(--muted); font-style: italic; font-size: .8rem; margin-left: auto; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 26px; height: 3px; background: var(--navy); border-radius: 0; transition: .3s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Eyebrow / Section heads ---------- */
.eyebrow {
  display: inline-block; font-family: var(--font-head); font-weight: 600;
  text-transform: uppercase; letter-spacing: .18em; font-size: .82rem;
  color: var(--teal); margin-bottom: .6rem;
}
.eyebrow.light { color: var(--gold); }
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin-bottom: 2.8rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.wide { max-width: none; }
.section-sub { color: var(--muted); font-size: 1.08rem; }

/* ---------- Placeholder images ---------- */
.placeholder-img {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #e8edf7 0%, #d7e0f0 100%);
  color: var(--navy); border-radius: var(--radius); min-height: 220px;
  border: 1px dashed var(--blue-soft); text-align: center; gap: .25rem;
}
.placeholder-img span { font-family: var(--font-head); font-weight: 600; letter-spacing: .05em; opacity: .8; }
.placeholder-img small { color: var(--muted); font-size: .85rem; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--bg); }
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(49,159,192,.16), transparent 60%),
    radial-gradient(700px 500px at -5% 110%, rgba(11,51,136,.10), transparent 60%);
  z-index: 0;
}
.hero-inner {
  position: relative; z-index: 1;
  padding: clamp(3.5rem, 8vw, 6.5rem) 24px;
}
.hero-text { max-width: none; }
.hero-text h1 { color: var(--navy); }
.hero-text .accent { color: var(--navy); }
.lead { font-size: 1.18rem; color: var(--navy); max-width: none; }
.hero-cta-group { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1.8rem 0 0; }
.hero-stats { list-style: none; display: flex; gap: 2.5rem; padding: 0; margin: 0; flex-wrap: wrap; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-head); font-size: 2rem; color: var(--navy); line-height: 1; }
.hero-stats span { color: var(--muted); font-size: .9rem; }
.hero-card .placeholder-img { min-height: 380px; box-shadow: var(--shadow); }

/* ---------- Trust bar ---------- */
.trust-bar { background: var(--navy); color: #fff; }
.trust-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; padding: 1.1rem 24px; }
.trust-item { display: flex; align-items: center; gap: .5rem; font-size: .95rem; font-weight: 700; }
.trust-item em { color: var(--gold); font-style: normal; font-size: .8rem; opacity: .85; }
.trust-ic { color: var(--gold); font-weight: 700; }

/* ---------- Cards (Anwendungen) ---------- */
.cards-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.app-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  display: flex; flex-direction: column;
}
.app-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.app-img { width: 100%; height: 230px; object-fit: cover; display: block; border-bottom: 1px solid var(--line); }
.app-card-body { padding: 1.8rem; display: flex; flex-direction: column; flex: 1; }
.badge {
  display: inline-block; background: rgba(49,159,192,.12); color: var(--teal);
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; font-size: .75rem; padding: .3rem .8rem; border-radius: 0; margin-bottom: .8rem;
}
.check-list { list-style: none; padding: 0; margin: 1rem 0 1.4rem; }
.check-list li { position: relative; padding-left: 1.6rem; margin-bottom: .5rem; color: var(--text); }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.link-arrow { font-family: var(--font-head); font-weight: 600; letter-spacing: .02em; margin-top: auto; align-self: flex-start; }

/* ---------- Produkt ---------- */
.product-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: center; }
.product-img { min-height: 420px; box-shadow: var(--shadow); }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin: 1.6rem 0 2rem; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.2rem; }
.feature-ic { color: var(--teal); font-size: 1.3rem; margin-bottom: .4rem; }
.feature h4 { font-size: 1.1rem; margin-bottom: .3rem; }
.feature p { font-size: .92rem; color: var(--muted); margin: 0; }

/* CTS-P Produktbild + Inhalte */
.product-visual { display: flex; justify-content: center; }
img.product-img { width: 100%; max-width: 440px; height: auto; min-height: 0; display: block; background: #fff; }
.product-sub { font-size: 1.05rem; margin: 1.6rem 0 .7rem; color: var(--navy); }
.product-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: .1rem 1.6rem; margin: 0 0 1.4rem; }

/* Funktionsweise & Aufbau */
.product-details {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem;
  margin-top: 3rem; padding-top: 3rem; border-top: 1px solid var(--line);
}
.product-detail-col h4 { font-size: 1.2rem; margin-bottom: .6rem; }
.product-detail-col p { color: var(--muted); margin: 0; }

/* Technische Daten */
.product-specs { margin-top: 3rem; }
.product-specs > h4 { font-size: 1.2rem; margin-bottom: 1.2rem; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.spec-block { background: #fff; border: 1px solid var(--line); padding: 1.4rem 1.6rem; }
.spec-block h5 {
  font-family: var(--font-head); font-size: .95rem; letter-spacing: .05em;
  text-transform: uppercase; color: var(--navy); margin: 0 0 .6rem;
}
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td {
  text-align: left; padding: .5rem 0; border-bottom: 1px solid var(--line);
  font-size: .92rem; vertical-align: top;
}
.spec-table th { color: var(--muted); font-weight: 500; padding-right: 1rem; width: 58%; }
.spec-table td { color: var(--ink); font-weight: 500; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

/* ---------- Philosophie ---------- */
.philosophy { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%); color: #fff; }
.philosophy h2, .philosophy h3 { color: #fff; }
.philosophy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-bottom: 3rem; }
.philo-block { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 2.2rem; overflow: hidden; }
.philo-block p { color: rgba(255,255,255,.82); margin: 0; }
.philo-img { display: block; width: 100%; height: 220px; object-fit: cover; margin: 0 0 1.6rem; }
.philo-ic { font-size: 2rem; color: var(--gold); margin-bottom: .8rem; }
.philo-quote {
  max-width: 760px; margin: 0 auto; text-align: center; font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem); font-weight: 400; line-height: 1.4;
  color: #fff; border: none; padding: 0;
}
.philo-quote cite { display: block; font-family: var(--font-body); font-size: .95rem; font-style: normal; color: var(--gold); margin-top: 1rem; }

/* ---------- Kontakt ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.contact-grid-3 { grid-template-columns: repeat(3, 1fr); max-width: 960px; margin: 0 auto; }
.contact-tile {
  display: flex; flex-direction: column; gap: .4rem; text-align: center; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.4rem; box-shadow: var(--shadow-sm); color: var(--text);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
a.contact-tile:hover { transform: translateY(-5px); box-shadow: var(--shadow); color: var(--text); }
.contact-tile strong { font-family: var(--font-head); color: var(--ink); font-size: 1.1rem; }
.contact-tile span { font-size: .92rem; color: var(--muted); }
.contact-ic {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(49,159,192,.12); color: var(--teal);
  display: grid; place-items: center; margin-bottom: .4rem;
}
.contact-ic svg { width: 30px; height: 30px; display: block; }
/* WhatsApp – Originalfarbe, Symbol weiß (höhere Spezifität als .contact-tile span) */
.contact-tile .contact-ic-wa { background: #25D366; color: #fff; }
/* Zalo – Markenblau (Platzhalter), Symbol weiß */
.contact-tile .contact-ic-zalo { background: #0068FF; color: #fff; }
.contact-tile em { color: var(--muted); font-style: italic; font-size: .8rem; }

/* ---------- YouTube-Sektion ---------- */
.yt-section { background: #1f1f1f; color: #fff; }
.yt-section h2 { color: #fff; }
.yt-eyebrow { color: #ff4141; }
.yt-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.yt-thumb { position: relative; display: block; overflow: hidden; box-shadow: var(--shadow); }
.yt-thumb img, .yt-placeholder { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.yt-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .3rem;
  background: linear-gradient(135deg, #2c2c2c 0%, #3a3a3a 100%); color: #9a9a9a; border: 1px solid #444;
}
.yt-placeholder span { font-family: var(--font-head); font-weight: 600; letter-spacing: .05em; }
.yt-placeholder small { font-size: .8rem; }
.yt-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 90px; height: 63px; background: #ff0000; border-radius: 16px;
  transition: transform .2s var(--ease), background .2s var(--ease);
}
.yt-play::before {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-40%, -50%);
  border-style: solid; border-width: 15px 0 15px 26px; border-color: transparent transparent transparent #fff;
}
.yt-thumb:hover .yt-play { transform: translate(-50%, -50%) scale(1.08); background: #ff0000; }
.yt-content p { color: rgba(255,255,255,.8); font-size: 1.05rem; margin-bottom: 1.6rem; }
.btn-yt { background: #ff0000; border-color: #ff0000; color: #fff; }
.btn-yt:hover { background: #cc0000; border-color: #cc0000; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-yt svg { width: 22px; height: 22px; }

/* ---------- Accordion / FAQ ---------- */
.accordion { display: flex; flex-direction: column; gap: .9rem; }
.acc-item { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.acc-header {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: #fff; border: none; cursor: pointer; padding: 1.15rem 1.4rem;
  font-family: var(--font-head); font-weight: 500; font-size: 1.08rem; color: var(--ink); text-align: left;
  transition: background .2s var(--ease);
}
.acc-header:hover { background: var(--bg-alt); }
.acc-icon { flex: none; position: relative; width: 18px; height: 18px; }
.acc-icon::before, .acc-icon::after {
  content: ''; position: absolute; background: var(--teal); border-radius: 0; transition: transform .3s var(--ease);
}
.acc-icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
.acc-icon::after { top: 0; left: 8px; width: 2px; height: 18px; }
.acc-item.open .acc-icon::after { transform: scaleY(0); }
.acc-item.open .acc-header { color: var(--navy); }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.acc-panel p { padding: 0 1.4rem 1.3rem; margin: 0; color: var(--muted); }
.acc-panel p.faq-intro { padding-bottom: .5rem; }
.acc-panel .acc-list { margin: 0; padding: 0 1.4rem 1.3rem 2.8rem; color: var(--muted); }
.acc-panel .acc-list li { margin-bottom: .35rem; }

.support-extra { text-align: center; margin-top: 2.5rem; }
.support-extra p { color: var(--muted); margin-bottom: 1rem; }
.support-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,.75); }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; padding: 3.5rem 24px 2.5rem; }
.footer-logo { height: 140px; background: transparent; padding: 0; border-radius: 0; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.footer-brand p { font-size: .9rem; }
.footer-col h4 { color: #fff; font-size: 1rem; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.footer-col a { color: rgba(255,255,255,.75); font-size: .92rem; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.2rem 0; font-size: .85rem; }
.footer-bottom em { color: rgba(255,255,255,.4); font-style: italic; }
.footer-bottom .container { display: flex; align-items: center; flex-wrap: wrap; column-gap: 1rem; }
.footer-visits { margin-left: auto; color: rgba(255,255,255,.55); }

/* ---------- Floating contact (Asien-typisch) ---------- */
.float-contact { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: flex; flex-direction: column; gap: .7rem; }
.fc-btn {
  width: 52px; height: 52px; border-radius: 0; display: grid; place-items: center;
  color: #fff; box-shadow: var(--shadow); transition: transform .2s var(--ease);
}
.fc-btn svg { width: 24px; height: 24px; display: block; }
.fc-btn:hover { transform: scale(1.08); color: #fff; }
.fc-linkedin { background: #0A66C2; }
.fc-call { background: #25b15e; }
.fc-msg { background: var(--teal); }
.fc-top { background: var(--navy); opacity: 0; pointer-events: none; transition: opacity .3s var(--ease), transform .2s var(--ease); }
.fc-top.show { opacity: 1; pointer-events: auto; }

/* ---------- Legal pages ---------- */
.legal-page { padding: 3rem 0 4rem; }
.legal-page h1 { margin-bottom: 1.5rem; }
.legal-page h2 { font-size: 1.4rem; margin-top: 2.2rem; }
.legal-lead { color: var(--muted); font-family: var(--font-head); font-weight: 500; letter-spacing: .03em; margin: -.4rem 0 1.6rem; }
.legal-list { margin: 0 0 1rem; padding-left: 1.3rem; }
.legal-list li { margin-bottom: .45rem; }
.legal-page .placeholder-note {
  background: rgba(233,196,106,.15); border-left: 4px solid var(--gold);
  padding: 1rem 1.2rem; border-radius: var(--radius-sm); margin: 1rem 0; color: var(--text);
}
.back-link { font-family: var(--font-head); font-weight: 500; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner, .product-layout { grid-template-columns: 1fr; }
  .yt-layout { grid-template-columns: 1fr; gap: 2rem; }
  .product-visual { order: 2; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .logo img { height: 52px; }
  .header-inner { min-height: 80px; }
  .header-actions { margin-left: auto; }
  .main-nav {
    position: fixed; top: 80px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: #fff; padding: 1rem 24px;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateY(-120%); visibility: hidden;
    transition: transform .3s var(--ease), visibility .3s var(--ease); margin-left: 0;
  }
  .main-nav.open { transform: translateY(0); visibility: visible; }
  .main-nav a { padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: flex; }
  .cards-2, .feature-grid, .contact-grid { grid-template-columns: 1fr; }
  .product-benefits, .product-details, .spec-grid { grid-template-columns: 1fr; }
  .product-details { gap: 1.6rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.8rem; }
  .hero-stats { gap: 1.5rem; }
}
@media (max-width: 420px) {
  .trust-inner { flex-direction: column; gap: .6rem; }
  .hero-cta-group .btn { width: 100%; }
}