/* ============================================================
   INSTITUTO S&S — Design System
   Palette: Tiefes Teal · Gold · Creme · Tinte
   ============================================================ */
@font-face {
  font-family: 'Outfit';
  src: url('../assets/fonts/outfit.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}
:root {
  --teal: #0E5E5E; --teal-d: #0A4545; --teal-l: #E3F0EE;
  --gold: #D9A441; --gold-l: #F6E8CC;
  --cream: #F7F3EA; --paper: #FFFDF8;
  --ink: #14231F; --ink-2: #4A5A54;
  --line: #E4DED2;
  --red: #B3453C; --red-l: #F9E5E2;
  --green: #2E7D5B; --green-l: #E2F2EA;
  --shadow: 0 1px 2px rgba(20,35,31,.05), 0 8px 24px rgba(20,35,31,.07);
  --radius: 16px;
  --font: 'Outfit', -apple-system, 'Segoe UI', Roboto, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--paper); color: var(--ink); line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; }
h1,h2,h3 { line-height: 1.15; letter-spacing: -.02em; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; border: 0; cursor: pointer;
  font-family: var(--font); font-weight: 600; font-size: 15px; border-radius: 999px;
  padding: 12px 22px; transition: transform .12s, box-shadow .12s, background .12s; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 4px 14px rgba(14,94,94,.35); }
.btn-primary:hover { background: var(--teal-d); }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; color: var(--teal); border: 1.5px solid var(--teal); }
.btn-ghost:hover { background: var(--teal-l); }
.btn-light { background: #fff; color: var(--teal); }
.btn-sm { padding: 8px 16px; font-size: 13.5px; }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 700;
  padding: 4px 10px; border-radius: 999px; letter-spacing: .02em; }
.badge-teal { background: var(--teal-l); color: var(--teal); }
.badge-gold { background: var(--gold-l); color: #8A6418; }
.badge-green { background: var(--green-l); color: var(--green); }
.badge-red { background: var(--red-l); color: var(--red); }
.badge-gray { background: #EFEAE0; color: var(--ink-2); }
.badge-nivel { background: var(--ink); color: #fff; font-size: 11.5px; }

/* ---------- Cards ---------- */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 24px; }

/* ---------- Marketing ---------- */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(255,253,248,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar-in { max-width: 1180px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); letter-spacing: -.02em; text-decoration: none; }
.logo-mark { width: 38px; height: 38px; border-radius: 11px; background: var(--teal); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 800; }
.logo-img { width: 40px; height: 40px; border-radius: 12px; box-shadow: 0 2px 8px rgba(9,63,63,.22); }
.logo small { display: block; font-size: 10.5px; font-weight: 600; color: var(--ink-2); letter-spacing: .08em; text-transform: uppercase; }
.topbar nav { display: flex; gap: 22px; margin-left: auto; }
.topbar nav a { color: var(--ink-2); font-weight: 600; font-size: 15px; }
.topbar nav a:hover { color: var(--teal); }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.lang-switch { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang-switch button { border: 0; background: transparent; font-family: var(--font); font-size: 12px; font-weight: 700; padding: 6px 9px; cursor: pointer; color: var(--ink-2); }
.lang-switch button.on { background: var(--teal); color: #fff; }
.burger { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; }

.hero { position: relative; overflow: hidden; }
.hero-grid { max-width: 1180px; margin: 0 auto; padding: 64px 24px 56px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(34px, 4.6vw, 56px); font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--teal); position: relative; }
.hero p.lead { font-size: 18px; color: var(--ink-2); margin: 18px 0 28px; max-width: 520px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 40px; }
.hero-stats b { font-size: 26px; font-weight: 800; color: var(--teal); display: block; }
.hero-stats span { font-size: 13px; color: var(--ink-2); }
.hero-photo { position: relative; border-radius: 24px; overflow: hidden; box-shadow: 0 24px 60px rgba(20,35,31,.25); }
.hero-photo img { width: 100%; height: 460px; object-fit: cover; }
.hero-photo .chip { position: absolute; left: 18px; bottom: 18px; background: rgba(255,255,255,.95); border-radius: 14px; padding: 12px 16px; font-size: 13.5px; font-weight: 600; box-shadow: var(--shadow); }
.hero-photo .chip b { color: var(--teal); }

.section { max-width: 1180px; margin: 0 auto; padding: 72px 24px; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 44px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; }
.section-head p { color: var(--ink-2); margin-top: 10px; font-size: 16.5px; }
.kicker { display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }

/* Why */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.why-card { padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper); }
.why-card .ico { width: 46px; height: 46px; border-radius: 13px; background: var(--teal-l); display: grid; place-items: center; font-size: 22px; margin-bottom: 16px; }
.why-card h3 { font-size: 18.5px; margin-bottom: 8px; }
.why-card p { color: var(--ink-2); font-size: 15px; }

/* Cursos */
.filters { display: flex; gap: 8px; justify-content: center; margin-bottom: 30px; flex-wrap: wrap; }
.filters button { border: 1.5px solid var(--line); background: #fff; font-family: var(--font); font-weight: 600; font-size: 14px; padding: 9px 18px; border-radius: 999px; cursor: pointer; color: var(--ink-2); }
.filters button.on { background: var(--teal); border-color: var(--teal); color: #fff; }
.curso-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.curso-card { overflow: hidden; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.curso-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(20,35,31,.12); }
.curso-card img { height: 150px; width: 100%; object-fit: cover; }
.curso-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.curso-body h3 { font-size: 17.5px; }
.curso-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.curso-meta span { font-size: 12.5px; color: var(--ink-2); background: #F4F0E6; padding: 3px 9px; border-radius: 999px; font-weight: 600; }
.curso-desc { font-size: 14px; color: var(--ink-2); flex: 1; }
.curso-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.curso-foot b { font-size: 16.5px; color: var(--teal); }
.plazas { font-size: 12.5px; font-weight: 700; }
.plazas.ok { color: var(--green); } .plazas.warn { color: var(--red); }

/* Profesores */
.prof-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.prof-card { text-align: center; padding: 22px 16px; }
.prof-card img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; border: 3px solid var(--gold-l); }
.prof-card h3 { font-size: 16.5px; }
.prof-card .rol { font-size: 12.5px; color: var(--gold); font-weight: 700; margin: 3px 0 10px; }
.prof-card p { font-size: 13.5px; color: var(--ink-2); margin-bottom: 14px; }
.prof-card .langs { display: flex; gap: 4px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }

/* Precios */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.price-card { padding: 26px 22px; display: flex; flex-direction: column; position: relative; }
.price-card.popular { border: 2px solid var(--teal); }
.price-card .pop { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--gold); color: var(--ink); font-size: 11.5px; font-weight: 800; padding: 4px 12px; border-radius: 999px; }
.price-card h3 { font-size: 17px; }
.price-card .precio { font-size: 30px; font-weight: 800; color: var(--teal); margin: 10px 0 2px; }
.price-card .per { font-size: 13px; color: var(--ink-2); margin-bottom: 12px; }
.price-card ul { list-style: none; flex: 1; margin-bottom: 18px; }
.price-card li { font-size: 14px; color: var(--ink-2); padding: 5px 0 5px 22px; position: relative; }
.price-card li::before { content: '✓'; position: absolute; left: 0; color: var(--teal); font-weight: 800; }
.price-note { text-align: center; color: var(--ink-2); font-size: 13.5px; margin-top: 22px; }

/* Testimonios */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.testi-card { padding: 24px; }
.testi-card .stars { color: var(--gold); letter-spacing: 2px; margin-bottom: 10px; }
.testi-card p { font-size: 15px; color: var(--ink-2); font-style: italic; }
.testi-card .who { margin-top: 14px; font-weight: 700; font-size: 14px; }
.testi-card .who small { display: block; color: var(--ink-2); font-weight: 500; }

/* FAQ */
.faq { max-width: 720px; margin: 0 auto; }
.faq details { border: 1px solid var(--line); border-radius: 14px; margin-bottom: 10px; background: var(--paper); overflow: hidden; }
.faq summary { padding: 16px 20px; font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::after { content: '+'; font-size: 20px; color: var(--teal); }
.faq details[open] summary::after { content: '–'; }
.faq .faq-body { padding: 0 20px 18px; color: var(--ink-2); font-size: 14.5px; }

/* Contacto CTA */
.cta-band { background: var(--teal); border-radius: 24px; padding: 44px 36px; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; color: #fff; }
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); }
.cta-band p { opacity: .85; margin-top: 6px; }

footer { border-top: 1px solid var(--line); background: var(--cream); margin-top: 40px; }
.footer-in { max-width: 1180px; margin: 0 auto; padding: 40px 24px 28px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
.footer-in h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-2); margin-bottom: 12px; }
.footer-in a, .footer-in p { display: block; font-size: 14px; color: var(--ink-2); margin-bottom: 7px; }
.footer-bottom { border-top: 1px solid var(--line); padding: 16px 24px; text-align: center; font-size: 12.5px; color: var(--ink-2); }

/* ============ PORTAL ============ */
.app { display: flex; min-height: 100vh; }
.sidebar { width: 244px; background: var(--ink); color: #fff; padding: 22px 16px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.sidebar .logo { color: #fff; margin-bottom: 26px; padding: 0 8px; }
.sidebar .logo-mark { background: var(--gold); color: var(--ink); }
.sidebar .logo small { color: rgba(255,255,255,.55); }
.side-nav { display: flex; flex-direction: column; gap: 3px; }
.side-nav button { display: flex; align-items: center; gap: 11px; background: transparent; border: 0; color: rgba(255,255,255,.72); font-family: var(--font); font-size: 14.5px; font-weight: 600; padding: 10px 12px; border-radius: 10px; cursor: pointer; text-align: left; width: 100%; }
.side-nav button:hover { background: rgba(255,255,255,.08); color: #fff; }
.side-nav button.on { background: var(--teal); color: #fff; }
.side-nav .ico { width: 20px; text-align: center; font-size: 16px; }
.sidebar-foot { margin-top: auto; border-top: 1px solid rgba(255,255,255,.12); padding-top: 14px; }
.sidebar-foot .user { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.sidebar-foot .avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--gold); color: var(--ink); display: grid; place-items: center; font-weight: 800; font-size: 14px; }
.sidebar-foot .uname { font-size: 13.5px; font-weight: 700; }
.sidebar-foot .urole { font-size: 11.5px; color: rgba(255,255,255,.55); }

.main { flex: 1; min-width: 0; }
.topbar-app { background: var(--paper); border-bottom: 1px solid var(--line); padding: 14px 30px; display: flex; align-items: center; gap: 16px; position: sticky; top: 0; z-index: 40; }
.topbar-app h1 { font-size: 20px; font-weight: 800; }
.topbar-app .spacer { flex: 1; }
.content { padding: 28px 30px 60px; max-width: 1200px; }

/* Stat-Karten */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 22px; }
.stat-card { padding: 20px 22px; }
.stat-card .lbl { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.stat-card .val { font-size: 28px; font-weight: 800; letter-spacing: -.02em; margin-top: 4px; }
.stat-card .sub { font-size: 12.5px; color: var(--green); font-weight: 700; margin-top: 2px; }
.stat-card .sub.down { color: var(--red); }
.stat-card.teal { background: var(--teal); color: #fff; border-color: var(--teal); }
.stat-card.teal .lbl { color: rgba(255,255,255,.75); }
.stat-card.teal .sub { color: #C9E8E4; }

.grid2 { display: grid; grid-template-columns: 1.6fr 1fr; gap: 18px; margin-bottom: 18px; }
.grid2b { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.panel-title { font-size: 15.5px; font-weight: 800; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.chart-box { padding: 20px; }
.chart { width: 100%; height: auto; }
.chart-label { font-family: var(--font); font-size: 11px; fill: #8B8577; }
.chart-value { font-family: var(--font); font-size: 10.5px; fill: var(--ink-2); font-weight: 600; }
.donut-text { font-family: var(--font); font-size: 17px; font-weight: 800; fill: var(--ink); }

/* Tabellen */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-2); padding: 10px 14px; border-bottom: 2px solid var(--line); white-space: nowrap; }
td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: #FBFAF5; }
td b { font-weight: 700; }
.t-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; vertical-align: middle; margin-right: 9px; }

/* Listen (reservas, pagos) */
.list-item { display: flex; align-items: center; gap: 14px; padding: 14px 4px; border-bottom: 1px solid var(--line); }
.list-item:last-child { border-bottom: 0; }
.list-item .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot-teal { background: var(--teal); } .dot-gold { background: var(--gold); } .dot-red { background: var(--red); }
.list-item .when { min-width: 92px; }
.list-item .when b { display: block; font-size: 14px; }
.list-item .when span { font-size: 12px; color: var(--ink-2); }
.list-item .what { flex: 1; min-width: 0; }
.list-item .what b { display: block; font-size: 14px; }
.list-item .what span { font-size: 12.5px; color: var(--ink-2); }

/* Alert-Boxen */
.alert { padding: 14px 16px; border-radius: 12px; font-size: 14px; font-weight: 600; display: flex; gap: 10px; align-items: flex-start; }
.alert-red { background: var(--red-l); color: var(--red); }
.alert-gold { background: var(--gold-l); color: #8A6418; }
.alert-teal { background: var(--teal-l); color: var(--teal); }

/* Kredit-Karte (Student) */
.credit-card { background: linear-gradient(135deg, var(--teal) 0%, var(--teal-d) 60%, #083A3A 100%); color: #fff; border-radius: 20px; padding: 26px; position: relative; overflow: hidden; }
.credit-card::after { content: ''; position: absolute; width: 200px; height: 200px; border-radius: 50%; background: rgba(217,164,65,.25); top: -70px; right: -60px; }
.credit-card .lbl { font-size: 12.5px; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.7); }
.credit-card .num { font-size: 52px; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.credit-card .num small { font-size: 20px; font-weight: 600; opacity: .75; }
.credit-card .row { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 14px; gap: 10px; flex-wrap: wrap; }

/* Booking-Wizard */
.steps { display: flex; gap: 8px; margin-bottom: 22px; }
.step { flex: 1; padding: 10px 14px; border-radius: 10px; background: #F4F0E6; font-size: 13px; font-weight: 700; color: var(--ink-2); }
.step.on { background: var(--teal); color: #fff; }
.step.done { background: var(--teal-l); color: var(--teal); }
.slot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.slot { padding: 12px 8px; border: 1.5px solid var(--line); border-radius: 12px; text-align: center; cursor: pointer; background: #fff; font-family: var(--font); font-weight: 700; font-size: 14px; color: var(--ink); transition: all .1s; }
.slot:hover { border-color: var(--teal); }
.slot.on { background: var(--teal); border-color: var(--teal); color: #fff; }
.slot:disabled { opacity: .35; cursor: not-allowed; }
.day-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.day-chip { border: 1.5px solid var(--line); background: #fff; border-radius: 12px; padding: 8px 12px; cursor: pointer; font-family: var(--font); font-weight: 700; font-size: 13px; }
.day-chip.on { background: var(--teal); border-color: var(--teal); color: #fff; }

/* Modal (uPay) */
.modal-back { position: fixed; inset: 0; background: rgba(20,35,31,.55); backdrop-filter: blur(3px); display: grid; place-items: center; z-index: 100; padding: 20px; }
.modal { background: var(--paper); border-radius: 20px; max-width: 460px; width: 100%; padding: 28px; box-shadow: 0 30px 80px rgba(0,0,0,.3); animation: pop .18s ease; }
@keyframes pop { from { transform: scale(.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal h3 { font-size: 20px; margin-bottom: 4px; }
.modal .m-sub { color: var(--ink-2); font-size: 14px; margin-bottom: 18px; }
.pay-brand { display: flex; align-items: center; gap: 10px; background: #F4F0E6; border-radius: 12px; padding: 12px 16px; margin-bottom: 16px; }
.pay-brand .plogo { width: 38px; height: 38px; border-radius: 10px; background: var(--teal); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.pay-brand b { font-size: 15px; } .pay-brand span { font-size: 12.5px; color: var(--ink-2); display: block; }
.pay-tabs { display: flex; gap: 6px; background: #F2EFE7; border-radius: 10px; padding: 4px; margin-bottom: 16px; }
.pay-tab { flex: 1; border: 0; background: transparent; padding: 8px 0; border-radius: 8px; font-weight: 700; font-size: 13.5px; color: var(--ink-2); cursor: pointer; transition: all .15s; }
.pay-tab.on { background: #fff; color: var(--teal); box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.stripe-box { padding: 2px 0; }
.stripe-card { border: 1px solid #E3E8EF; border-radius: 12px; padding: 14px 16px; background: #fff; box-shadow: inset 0 1px 2px rgba(16,21,36,.04); }
.btn-stripe { background: #635BFF; color: #fff; } .btn-stripe:hover { background: #5851EA; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; font-weight: 700; margin-bottom: 6px; color: var(--ink-2); }
.field input, .field select { width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 11px; font-family: var(--font); font-size: 15px; background: #fff; }
.field input:focus, .field select:focus { outline: none; border-color: var(--teal); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* Toast */
.toast-wrap { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--ink); color: #fff; padding: 13px 20px; border-radius: 12px; font-weight: 600; font-size: 14px; box-shadow: 0 12px 30px rgba(0,0,0,.25); animation: toastin .2s ease; }
.toast.ok { background: var(--teal); }
.toast.err { background: var(--red); }
@keyframes toastin { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* Login */
.login-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.login-brand { background: linear-gradient(150deg, var(--teal), #083A3A); color: #fff; padding: 48px; display: flex; flex-direction: column; justify-content: space-between; }
.login-brand h1 { font-size: 34px; margin: 18px 0 10px; }
.login-brand p { opacity: .8; max-width: 380px; }
.login-brand .big { font-size: 84px; opacity: .18; line-height: 1; }
.login-panel { display: grid; place-items: center; padding: 40px 24px; }
.login-box { width: 100%; max-width: 400px; }
.demo-acc { border: 1.5px dashed var(--line); border-radius: 14px; padding: 12px 14px; margin-bottom: 10px; cursor: pointer; transition: border-color .12s, background .12s; }
.demo-acc:hover { border-color: var(--teal); background: var(--teal-l); }
.demo-acc b { font-size: 14px; }
.demo-acc span { display: block; font-size: 12.5px; color: var(--ink-2); }
.demo-acc .btn-ghost { margin-top: 8px; padding: 6px 14px; font-size: 12.5px; }

/* Toggle */
.toggle { position: relative; width: 44px; height: 25px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .sl { position: absolute; inset: 0; background: #D9D2C4; border-radius: 999px; transition: .15s; cursor: pointer; }
.toggle .sl::before { content: ''; position: absolute; width: 19px; height: 19px; border-radius: 50%; background: #fff; top: 3px; left: 3px; transition: .15s; box-shadow: 0 1px 3px rgba(0,0,0,.25); }
.toggle input:checked + .sl { background: var(--teal); }
.toggle input:checked + .sl::before { transform: translateX(19px); }

/* Sonstiges */
.empty { text-align: center; color: var(--ink-2); padding: 34px 10px; font-size: 14.5px; }
.avatar-lg { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; }
.progress { height: 8px; background: #EFE9DD; border-radius: 999px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--teal); border-radius: 999px; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s, transform .5s; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1024px) {
  .why-grid, .curso-grid { grid-template-columns: repeat(2, 1fr); }
  .prof-grid { grid-template-columns: repeat(3, 1fr); }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid2, .grid2b { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo img { height: 320px; }
}
@media (max-width: 768px) {
  .topbar nav { display: none; }
  .burger { display: block; margin-left: auto; }
  .topbar.open nav { display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0; background: var(--paper); padding: 18px 24px; border-bottom: 1px solid var(--line); }
  .topbar-actions { gap: 8px; }
  .why-grid, .curso-grid, .testi-grid { grid-template-columns: 1fr; }
  .prof-grid { grid-template-columns: repeat(2, 1fr); }
  .slot-grid { grid-template-columns: repeat(3, 1fr); }
  .login-wrap { grid-template-columns: 1fr; }
  .login-brand { display: none; }
  .sidebar { position: fixed; left: -260px; transition: left .2s; z-index: 90; }
  .sidebar.open { left: 0; }
  .content { padding: 20px 18px 50px; }
  .footer-in { grid-template-columns: 1fr 1fr; }
}