:root {
  --bg: #f7f9f8;
  --surface: #ffffff;
  --text: #1f2a28;
  --muted: #5b6a67;
  --primary: #1f6f5f;
  --primary-dark: #17564a;
  --accent: #d9efe9;
  --border: #e2e8e6;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(31, 42, 40, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; max-width: 100%; }

.container { width: min(1100px, 100% - 32px); margin-inline: auto; }
section { padding: 72px 0; }
h1, h2, h3 { line-height: 1.2; font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin-bottom: 40px; }

/* Header */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo svg { width: 36px; height: 36px; }
.nav ul { display: flex; gap: 28px; list-style: none; }
.nav ul a { color: var(--text); font-weight: 500; }
.nav ul a:hover { color: var(--primary); text-decoration: none; }
.has-sub { position: relative; }
.nav .sub { display: none; position: absolute; top: 100%; left: -12px; min-width: 240px; padding: 8px 0; margin-top: 10px; list-style: none; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); flex-direction: column; gap: 0; }
.sub::before { content: ""; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
.nav .has-sub:hover .sub, .nav .has-sub:focus-within .sub { display: flex; }
.sub li a { display: block; padding: 8px 18px; font-weight: 500; }
.sub li a:hover { background: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; }

.btn {
  display: inline-block; padding: 12px 24px; border-radius: 999px;
  background: var(--primary); color: #fff; font-weight: 600;
  border: 0; cursor: pointer; transition: background .2s;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn.outline:hover { background: var(--accent); }

/* Hero */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: calc(100svh - 68px); display: flex; align-items: center;
  padding: 96px 0 120px; color: #fff;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background: #1a5c4f url("hero-bg.svg") center / cover no-repeat;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,38,33,.72) 0%, rgba(10,38,33,.45) 50%, rgba(10,38,33,.15) 100%);
}
.hero-content { max-width: 720px; margin-inline: 0; margin-left: max(16px, calc((100% - 1100px) / 2)); }
.eyebrow {
  display: inline-block; padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.3);
  font-size: .9rem; font-weight: 600; letter-spacing: .02em;
}
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); margin-bottom: 20px; letter-spacing: -.01em; }
.hero h1 span { color: #9fe3cf; }
.hero p { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: rgba(255,255,255,.88); margin-bottom: 36px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn.light { background: #fff; color: var(--primary-dark); }
.btn.light:hover { background: #e6f4ef; }
.btn.ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.7); }
.btn.ghost:hover { background: rgba(255,255,255,.12); }
.hero-facts {
  list-style: none; display: flex; flex-wrap: wrap; gap: 12px 40px; margin-top: 56px;
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,.25);
}
.hero-facts li { display: flex; flex-direction: column; }
.hero-facts strong { font-size: 1.1rem; }
.hero-facts span { font-size: .9rem; color: rgba(255,255,255,.75); }
.scroll-cue {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  color: rgba(255,255,255,.8); animation: bob 2s ease-in-out infinite;
}
.scroll-cue:hover { color: #fff; text-decoration: none; }
@keyframes bob { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }
@media (prefers-reduced-motion: reduce) { .scroll-cue { animation: none; } }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.card .icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--accent);
  display: grid; place-items: center; margin-bottom: 16px;
}
.card .icon svg { width: 26px; height: 26px; stroke: var(--primary); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .98rem; }

/* About */
.about { background: var(--surface); }
.split .container { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about ul { list-style: none; margin-top: 20px; }
.about li { padding-left: 30px; position: relative; margin-bottom: 10px; }
.about li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--primary);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
}
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.stat { text-align: center; padding: 20px 12px; background: var(--accent); border-radius: var(--radius); }
.stat strong { display: block; font-size: 1.8rem; color: var(--primary); }
.stat span { font-size: .9rem; color: var(--muted); }

/* Hours & contact */
.contact .container { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
table { width: 100%; border-collapse: collapse; }
td { padding: 10px 0; border-bottom: 1px solid var(--border); }
td:last-child { text-align: right; font-weight: 500; }
.contact-list { list-style: none; }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.contact-list svg { width: 22px; height: 22px; flex-shrink: 0; stroke: var(--primary); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; margin-top: 2px; }
.note { margin-top: 20px; padding: 14px 18px; background: var(--accent); border-radius: 10px; font-size: .95rem; }

/* Footer */
footer { background: var(--text); color: #c9d4d1; padding: 36px 0; font-size: .92rem; }
footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
footer a { color: #fff; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* FAQ */
.faq { max-width: 820px; }
.faq details { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); margin-bottom: 12px; box-shadow: var(--shadow); }
.faq summary { cursor: pointer; padding: 16px 20px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--primary); line-height: 1; flex-shrink: 0; }
.faq details[open] summary::after { content: "\2212"; }
.faq details > div { padding: 0 20px 18px; color: var(--muted); }

/* Beschwerden */
.symptoms { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.symptom { display: flex; flex-direction: column; gap: 4px; padding: 20px 22px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); color: var(--text); transition: border-color .2s, transform .2s; }
.symptom:hover { border-color: var(--primary); transform: translateY(-2px); text-decoration: none; }
.symptom strong { font-size: 1.05rem; }
.symptom span { font-size: .9rem; color: var(--muted); }
.step-card { position: relative; padding-top: 32px; }
.step-no { position: absolute; top: -16px; left: 24px; width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; display: grid; place-items: center; box-shadow: var(--shadow); }
.note-inline { margin-top: 28px; color: var(--muted); font-size: .95rem; }

/* Unterseiten */
.skip { position: absolute; left: -999px; top: 8px; background: var(--primary); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.page-hero { background: linear-gradient(160deg, var(--accent) 0%, var(--bg) 70%); padding: 56px 0 48px; }
.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: 14px; }
.page-hero .lead { margin-bottom: 28px; }
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.crumbs span[aria-hidden] { margin: 0 6px; }
.page-body { padding: 24px 0 72px; }
.page-body > section { padding: 32px 0; }
.page-body > section:first-child { padding-top: 0; }
.page-body > section:first-child .grid { margin-top: 0; }
.page-body h2 { margin-bottom: 14px; }
.page-body .note { margin: 0 0 24px; }
.page-body p { max-width: 760px; margin-bottom: 14px; color: var(--text); }
.page-body .grid { margin-top: 24px; }
.grid.four { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.page-body .card p { color: var(--muted); }
.updated { font-size: .85rem; color: var(--muted); }
ul.check { list-style: none; }
ul.check li { padding-left: 28px; position: relative; margin-bottom: 8px; color: var(--muted); }
ul.check li::before { content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--primary); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/contain no-repeat; }
ol.steps { list-style: none; counter-reset: step; }
ol.steps li { counter-increment: step; padding-left: 44px; position: relative; margin-bottom: 14px; color: var(--muted); }
ol.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--primary); font-weight: 700; display: grid; place-items: center; font-size: .95rem; }
.cta-box { margin: 32px 0; padding: 32px; border-radius: var(--radius); background: var(--primary); color: #fff; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta-box h2 { color: #fff; margin-bottom: 6px; font-size: 1.4rem; }
.cta-box p { color: rgba(255,255,255,.85); margin: 0; max-width: 560px; }
.cta-box .btn { background: #fff; color: var(--primary-dark); }
.cta-box .btn:hover { background: #e6f4ef; }
.cta-box .btn.outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.cta-box .btn.outline:hover { background: rgba(255,255,255,.12); }
.pill-list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.pill-list a { display: inline-block; padding: 8px 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-weight: 500; color: var(--text); }
.pill-list a:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--primary); text-decoration: none; }
.card .more { display: inline-block; margin-top: 12px; font-weight: 600; font-size: .95rem; }

/* Footer erweitert */
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 28px; line-height: 1.9; font-size: .9rem; }
.footer-grid strong { color: #fff; }
.footer-legal { grid-column: 1 / -1; display: flex; gap: 20px; flex-wrap: wrap; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.15); }
@media (max-width: 1000px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; } .footer-grid > div:first-child { grid-column: 1 / -1; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }

/* Mobile Call-Bar & Fokus */
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }
.call-bar { display: none; }
@media (max-width: 820px) {
  .call-bar { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-top: 1px solid var(--border); }
  .call-bar .btn { text-align: center; padding: 12px 10px; }
  body { padding-bottom: 72px; }
  .scroll-cue { bottom: 84px; }
}
@media print {
  header, footer, .call-bar, .scroll-cue, .hero-bg, .cta-box, .nav-toggle { display: none !important; }
  .hero { color: var(--text); min-height: 0; padding: 0; }
  body { background: #fff; }
}

.badge { display: inline-block; vertical-align: middle; margin-left: 10px; padding: 4px 12px; border-radius: 999px; font-size: .8rem; font-weight: 600; }
.badge.open { background: #dff5e9; color: #157347; }
.badge.closed { background: #f1f3f2; color: var(--muted); }

/* Kontaktformular */
.contact-form { margin-top: 28px; padding: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); display: grid; gap: 14px; }
.contact-form h3 { font-size: 1.15rem; }
.form-hint { font-size: .85rem; color: var(--muted); margin: -6px 0 4px; }
.contact-form label { display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
.contact-form input, .contact-form select, .contact-form textarea { font: inherit; font-weight: 400; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); width: 100%; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--primary); outline-offset: 1px; border-color: var(--primary); }
.contact-form button { justify-self: start; }

/* Übungen & Rechner */
.ex-fig { width: 100%; height: auto; border-radius: 12px; margin-bottom: 14px; }
.ex-goal { font-size: .9rem; color: var(--primary); font-weight: 600; margin-bottom: 6px !important; }
.calc { padding: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); margin-top: 24px; }
.calc-form { display: flex; flex-wrap: wrap; gap: 16px; align-items: end; margin-top: 8px; }
.calc-form label { display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
.calc-form input[type=number] { width: 90px; }
.calc-form label.chk { grid-template-columns: auto 1fr; align-items: center; font-weight: 500; padding-bottom: 12px; }
.calc-form input[type=date], .calc-form input[type=number], .calc-form select { font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); }
.calc-result { margin-top: 18px; padding: 16px 18px; border-radius: 10px; }
.calc-result.ok { background: #dff5e9; color: #0f5132; }
.calc-result.warn { background: #fff3cd; color: #664d03; }
.calc-result.bad { background: #f8d7da; color: #842029; }
body { hyphens: auto; -webkit-hyphens: auto; }
h1, h2, h3, .btn, .nav, .crumbs { hyphens: manual; -webkit-hyphens: manual; }

/* Tabellen, Timeline, Wegweiser, To-Top */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.price { width: 100%; min-width: 480px; border-collapse: collapse; margin: 16px 0 8px; font-size: .95rem; }
table.price th { text-align: left; padding: 10px 12px; background: var(--accent); color: var(--primary-dark); }
table.price td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.price td:last-child { text-align: left; font-weight: 400; }
.timeline { position: relative; margin: 24px 0 0 14px; padding-left: 28px; border-left: 3px solid var(--accent); }
.tl { position: relative; margin-bottom: 26px; }
.tl::before { content: ""; position: absolute; left: -37px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--primary); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--accent); }
.tl-when { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--primary); margin-bottom: 4px; }
.tl h3 { font-size: 1.1rem; margin-bottom: 6px; }
.tl p { color: var(--muted); }
.finder { display: grid; gap: 22px; margin-top: 24px; }
.finder-step h3 { margin-bottom: 10px; font-size: 1.05rem; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips button { font: inherit; padding: 10px 18px; border-radius: 999px; border: 1.5px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; font-weight: 500; }
.chips button:hover { border-color: var(--primary); }
.chips button.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.finder-result { padding: 24px; border-radius: var(--radius); background: var(--accent); }
.finder-result h3 { margin-bottom: 8px; }
.finder-result .pill-list { margin: 12px 0 16px; }
.to-top { position: fixed; right: 16px; bottom: 90px; width: 44px; height: 44px; border-radius: 50%; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); display: grid; place-items: center; color: var(--primary); font-size: 1.3rem; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 15; }
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { text-decoration: none; background: var(--accent); }
@media (min-width: 821px) { .to-top { bottom: 24px; } }
@media print { .to-top, .no-print, .related, .faq-block { display: none !important; } .ex-fig { max-width: 220px; } .card { break-inside: avoid; box-shadow: none; } }

/* Glossar & Suche */
.letter-nav { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 8px; }
.letter-nav a { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border); font-weight: 600; }
.letter-nav a:hover { border-color: var(--primary); text-decoration: none; }
.page-body .glossar + h2, .page-body h2[id^="g-"] { margin-top: 28px; scroll-margin-top: 90px; }
dl.glossar { display: grid; grid-template-columns: minmax(140px, 220px) 1fr; gap: 12px 24px; margin-top: 8px; }
dl.glossar dt { font-weight: 700; }
dl.glossar dt span { display: block; font-weight: 400; font-size: .85rem; color: var(--muted); }
dl.glossar dd { color: var(--muted); padding-bottom: 12px; border-bottom: 1px solid var(--border); }
@media (max-width: 600px) { dl.glossar { grid-template-columns: 1fr; gap: 4px; } dl.glossar dd { margin-bottom: 8px; } }
.search { display: flex; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.search input { flex: 1 1 260px; font: inherit; font-size: 1.05rem; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 12px; background: var(--surface); }
.search input:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
.search-results { display: grid; gap: 14px; margin-top: 20px; }
.search-results .card p { color: var(--muted); font-size: .95rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Legal */
.legal { padding: 64px 0; }
.legal .container { max-width: 760px; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 28px; }
.legal h2 { font-size: 1.3rem; margin: 36px 0 10px; }
.legal h3 { font-size: 1.05rem; margin: 22px 0 6px; }
.legal p, .legal li { color: var(--muted); margin-bottom: 12px; }
.legal ul { padding-left: 20px; }
.legal .back { display: inline-block; margin-bottom: 24px; font-weight: 500; }

@media (max-width: 820px) {
  .split .container, .contact .container { grid-template-columns: 1fr; }
  .hero { min-height: calc(100svh - 68px); padding: 72px 0 96px; }
  .hero-bg::after { background: linear-gradient(180deg, rgba(10,38,33,.55) 0%, rgba(10,38,33,.7) 100%); }
  .hero-facts { gap: 16px 28px; margin-top: 40px; }
  .nav-toggle { display: block; }
  .nav ul {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--surface); border-bottom: 1px solid var(--border);
  }
  .nav ul.open { display: flex; }
  .nav ul li { padding: 14px 16px; border-top: 1px solid var(--border); }
  .nav .sub, .nav .has-sub:hover .sub, .nav .has-sub:focus-within .sub { display: block; position: static; min-width: 0; padding: 8px 0 0 12px; margin: 0; border: 0; box-shadow: none; background: transparent; }
  .nav .sub li { padding: 6px 0; border: 0; }
  .nav .sub li a { padding: 0; color: var(--muted); font-size: .95rem; }
  .nav .btn { display: none; }
  section { padding: 56px 0; }
}