/* ============================================================
   Berktold & Jahrke — KI-Consulting & KI-Schulungen
   Gemeinsames Stylesheet für alle Seiten
   Design: ruhige, große Beratungshaus-Ästhetik — Weiß/Anthrazit
   mit einem kühlen, kräftigen Blau als Signalfarbe (aus dem Logo).
   ============================================================ */

:root {
  --ink: #1a1a1a;
  --ink-soft: #2a3138;
  --text-muted: #5c636b;
  --line: #8b929a; /* Rand für interaktive Elemente (Inputs, Buttons) — bewusst kräftiger als --border, damit der Kontrast WCAG 1.4.11 (min. 3:1) erfüllt */
  --paper: #ffffff;
  --paper-alt: #f4f6f7;
  --accent: #4a7896;
  --accent-dark: #35576b;
  --accent-tint: #e8eef2;
  --white: #ffffff;
  --border: #e1e4e7;
  --shadow: 0 8px 28px rgba(20, 24, 28, .08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* Nur für Screenreader sichtbar — für Überschriften/Labels, die die Struktur brauchen,
   aber visuell nicht als zusätzliches Element auf der Seite erscheinen sollen. */
.sr-only {
  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: standardmäßig unsichtbar, erscheint erst bei Tastatur-Fokus oben links.
   Lässt Tastatur-Nutzer das Menü überspringen und direkt zum Inhalt springen. */
.skip-link {
  position: absolute; top: -48px; left: 8px; z-index: 1000;
  background: var(--ink); color: var(--white); padding: 12px 20px;
  border-radius: 2px; font-weight: 700; text-decoration: none; font-size: 14px;
  transition: top .15s ease;
}
.skip-link:focus { top: 8px; }

body {
  font-family: "Open Sans", "Aptos", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink-soft);
  line-height: 1.65;
  background: var(--paper);
}

h1, h2, h3, h4 { font-family: "Open Sans", Helvetica, Arial, sans-serif; font-weight: 700; color: var(--ink); letter-spacing: -.01em; }

img { max-width: 100%; display: block; }
a { color: inherit; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header / Nav ---------- */
header {
  position: sticky; top: 0; z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.brand { display: flex; align-items: center; gap: 0; text-decoration: none; }
.logo {
  display: inline-block;
}
.logo-word-line {
  /* Arial/Helvetica statt Open Sans: Open Sans zeichnet das große "J" mit einem
     kleinen Unterlängen-Haken, der bei diesem Logo optisch stört. */
  font-family: Arial, Helvetica, sans-serif;
  color: var(--accent);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .5px;
  text-transform: uppercase;
  line-height: 1.2;
  white-space: nowrap;
  display: block;
}
.logo-divider {
  font-style: normal;
  font-weight: 400;
  color: var(--ink);
  margin: 0 8px;
}
/* Buchstabenabstand wird per JS (script.js) fein angepasst, bis die Zeile exakt die Breite
   von .logo-word-line trifft — gleichmäßige Streckung statt Wortzwischenraum-Justify (das
   erzeugt bei kurzen Wörtern wie "&" hässliche große Lücken). 1.6px hier ist der Basiswert,
   den script.js für die Berechnung als Ausgangspunkt nimmt. */
.logo-sub {
  display: block;
  font-family: "Open Sans", sans-serif;
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
  white-space: nowrap;
}

nav ul { display: flex; gap: 30px; list-style: none; align-items: center; }
nav a.navlink { color: var(--ink-soft); text-decoration: none; font-size: 15px; font-weight: 600; }
nav a.navlink:hover { color: var(--accent); }
nav a.navlink.active { color: var(--accent); }
.nav-cta {
  background: var(--ink); color: var(--white) !important;
  padding: 10px 20px; border-radius: 2px; font-weight: 700;
  font-size: 14px;
}
.nav-cta:hover { background: var(--accent); color: var(--white) !important; }
.menu-btn {
  display: none; background: none; border: none; cursor: pointer;
  color: var(--ink); font-size: 26px; line-height: 1; padding: 4px 8px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; text-decoration: none; font-weight: 700; font-size: 16px;
  padding: 15px 30px; border-radius: 2px; transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary { background: var(--ink); color: var(--white); }
.btn-primary:hover { background: var(--accent); }
.btn-ghost-dark {
  color: var(--ink); border: none; margin-left: 20px; padding: 15px 4px;
  font-weight: 700; position: relative;
}
.btn-ghost-dark::after { content: "→"; margin-left: 8px; transition: margin-left .15s ease; display: inline-block; }
.btn-ghost-dark:hover::after { margin-left: 14px; }
.btn-ghost-dark:hover { color: var(--accent); }
.btn-ghost-light {
  color: var(--ink); border: none; margin-left: 20px; padding: 15px 4px;
  font-weight: 700; position: relative;
}
.btn-ghost-light::after { content: "→"; margin-left: 8px; transition: margin-left .15s ease; display: inline-block; }
.btn-ghost-light:hover::after { margin-left: 14px; }
.btn-ghost-light:hover { color: var(--accent); }

/* ---------- Hero (Startseite) ---------- */
.hero {
  background: var(--paper);
  color: var(--ink);
  padding: 76px 0 80px;
  border-bottom: 1px solid var(--border);
}
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 64px; align-items: start; }
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  color: var(--accent-dark); font-size: 13.5px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase;
  margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--accent); display: inline-block; }
.hero h1 { font-size: clamp(32px, 4.6vw, 50px); line-height: 1.1; font-weight: 800; margin-bottom: 22px; letter-spacing: -.015em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { font-size: 18.5px; color: var(--text-muted); max-width: 560px; margin-bottom: 32px; }
.hero-note { margin-top: 20px; font-size: 14px; color: var(--text-muted); }

.hero-card {
  background: var(--paper-alt); border: 1px solid var(--border); border-top: 3px solid var(--accent);
  border-radius: 2px; padding: 30px;
}
.hero-card h2 { font-size: 13px; letter-spacing: .8px; text-transform: uppercase; font-weight: 800; margin-bottom: 18px; color: var(--ink); }
.fact { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; }
.fact:last-child { margin-bottom: 0; }
.fact-date { min-width: 92px; font-weight: 800; color: var(--ink); font-size: 15px; }
.fact-text { font-size: 14.5px; color: var(--text-muted); }

/* ---------- Page header (Unterseiten) ---------- */
.page-hero {
  background: var(--paper-alt);
  color: var(--ink);
  padding: 60px 0 52px;
  border-bottom: 1px solid var(--border);
}
.page-hero .kicker { color: var(--accent-dark); }
.page-hero h1 { font-size: clamp(28px, 3.8vw, 40px); font-weight: 800; margin-bottom: 14px; letter-spacing: -.01em; }
.page-hero p.lead { font-size: 17px; color: var(--text-muted); max-width: 660px; }

/* ---------- Sections ---------- */
section { padding: 80px 0; }
.section-head { max-width: 700px; margin-bottom: 48px; }
.kicker {
  display: flex; align-items: center; gap: 10px;
  color: var(--accent-dark); font-weight: 700; font-size: 13px; letter-spacing: .8px; text-transform: uppercase; margin-bottom: 12px;
}
.kicker::before { content: ""; width: 22px; height: 3px; background: var(--accent); display: inline-block; }
h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.22; color: var(--ink); font-weight: 800; margin-bottom: 16px; letter-spacing: -.01em; }
.section-head p { color: var(--text-muted); font-size: 17px; }

.bg-sand { background: var(--paper-alt); }

/* ---------- Betroffene / Zielgruppen ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.who-card {
  background: var(--white);
  padding: 30px 22px; text-align: left;
}
.badge {
  width: auto; height: auto; border-radius: 0;
  background: none; color: var(--accent-dark);
  display: block;
  font-weight: 800; font-size: 12.5px; letter-spacing: .6px;
  margin: 0 0 14px; padding-bottom: 10px; border-bottom: 2px solid var(--accent);
}
.who-card h3 { color: var(--ink); font-size: 16px; margin-bottom: 6px; font-weight: 700; }
.who-card p { font-size: 14px; color: var(--text-muted); }
.callout {
  margin-top: 36px; background: var(--paper-alt); border-left: 3px solid var(--accent);
  border-radius: 0; padding: 24px 28px;
}
.callout strong { color: var(--ink); }

/* ---------- Leistungen / Services ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.ml-0 { margin-left: 0; }
.mt-32 { margin-top: 32px; }
.service {
  border: none; border-radius: 0; padding: 36px 32px;
  background: var(--white); display: flex; flex-direction: column;
  transition: box-shadow .15s ease;
  position: relative;
}
.service::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.service:hover::before { transform: scaleX(1); }
.service .tag {
  align-self: flex-start; font-size: 12px; font-weight: 800; letter-spacing: .5px; text-transform: uppercase;
  color: var(--accent-dark); background: var(--accent-tint); border-radius: 2px;
  padding: 5px 12px; margin-bottom: 18px;
}
.service h3 { color: var(--ink); font-size: 21px; margin-bottom: 14px; font-weight: 700; }
.service p { color: var(--text-muted); font-size: 15px; margin-bottom: 16px; }
.service ul { list-style: none; margin-top: auto; }
.service li { font-size: 14.5px; padding-left: 20px; position: relative; margin-bottom: 10px; color: var(--ink-soft); }
.service li::before { content: "+"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.service-link { margin-top: 20px; font-size: 14.5px; font-weight: 700; color: var(--ink); text-decoration: none; }
.service-link:hover { color: var(--accent-dark); }

/* ---------- Ablauf ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); counter-reset: step; }
.step { position: relative; background: var(--white); padding: 30px 24px; }
.step-num {
  width: auto; height: auto; border-radius: 0; background: none; color: var(--accent);
  display: block; font-weight: 800; font-size: 28px; margin-bottom: 16px;
  font-family: "Open Sans", sans-serif;
}
.step h3 { color: var(--ink); font-size: 16.5px; margin-bottom: 8px; font-weight: 700; }
.step p { font-size: 14px; color: var(--text-muted); }

/* ---------- Warum wir ---------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 40px; }
.why { display: flex; gap: 18px; align-items: flex-start; }
.why .mark {
  flex: 0 0 3px; height: auto; align-self: stretch; border-radius: 0; background: var(--accent); min-height: 44px;
}
.why h3 { color: var(--ink); font-size: 17px; margin-bottom: 6px; font-weight: 700; }
.why p { font-size: 14.5px; color: var(--text-muted); }

/* ---------- Über uns / Team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.team-card {
  background: var(--white); border: none; border-radius: 0;
  padding: 40px; box-shadow: none;
}
.avatar-photo {
  width: 180px; height: 240px; border-radius: 2px;
  object-fit: cover; object-position: center top;
  margin-bottom: 22px;
}
.avatar-placeholder {
  background: repeating-linear-gradient(135deg, var(--paper-alt), var(--paper-alt) 8px, var(--border) 8px, var(--border) 9px);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.avatar-placeholder span {
  font-family: "Open Sans", sans-serif; font-size: 20px; font-weight: 800;
  color: var(--text-muted); background: var(--paper); padding: 4px 10px; border-radius: 2px;
}
.team-card h3 { color: var(--ink); font-size: 21px; margin-bottom: 2px; font-weight: 700; }
.team-card .role { color: var(--accent-dark); font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.team-card .bio { color: var(--text-muted); font-size: 15px; }
.placeholder-note {
  display: inline-block; margin-top: 16px; font-size: 12.5px; color: #8a6d1f;
  background: #faf3df; border: 1px dashed #d8bd77;
  border-radius: 2px; padding: 6px 10px;
}
.story-block { max-width: 780px; margin-top: 60px; }
.story-block h2 { margin-bottom: 20px; }
.story-block p { color: var(--text-muted); font-size: 16.5px; margin-bottom: 16px; }

/* ---------- FAQ ---------- */
details {
  border: none; border-bottom: 1px solid var(--border); background: var(--white);
  padding: 22px 4px; margin-bottom: 0;
}
summary { cursor: pointer; font-weight: 700; color: var(--ink); font-size: 16.5px; list-style: none; position: relative; padding-right: 30px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 2px; top: -3px; font-size: 24px; font-weight: 300; color: var(--accent); }
details[open] summary::after { content: "\2212"; }
details p { margin-top: 14px; color: var(--text-muted); font-size: 15px; max-width: 760px; }

/* ---------- Kontakt ---------- */
.contact {
  background: var(--ink); color: var(--white); border-radius: 2px;
  padding: 60px 48px; text-align: center;
}
.contact h2 { color: var(--white); }
.contact p { color: #c9cac5; max-width: 560px; margin: 0 auto 30px; font-size: 17px; }
.contact .small { font-size: 14px; color: #9a9c94; margin-top: 18px; }
.contact a.mail { color: var(--accent); text-decoration: none; font-weight: 700; }
.contact .btn-primary { background: var(--accent); }
.contact .btn-primary:hover { background: #5b8ba8; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h3 { color: var(--ink); font-size: 20px; margin-bottom: 18px; font-weight: 700; }
.contact-line { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-line .label { min-width: 90px; font-weight: 700; color: var(--ink); font-size: 14.5px; }
.contact-line .value { color: var(--text-muted); font-size: 15px; }
.contact-line a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; font-weight: 600; }
.contact-line a:hover { color: var(--accent-dark); }
.contact-panel {
  background: var(--paper-alt); border: 1px solid var(--border); border-top: 3px solid var(--accent); border-radius: 0; padding: 32px;
}
.contact-panel h3 { color: var(--ink); font-size: 18px; margin-bottom: 10px; font-weight: 700; }
.contact-panel p { color: var(--text-muted); font-size: 15px; margin-bottom: 24px; }

/* ---------- Legal pages ---------- */
.legal-content { max-width: 760px; }
.legal-content h2 { font-size: 21px; margin-top: 42px; margin-bottom: 12px; font-weight: 700; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { color: var(--text-muted); font-size: 15.5px; margin-bottom: 12px; }
.legal-content .placeholder { color: #8a6d1f; font-style: italic; }

/* ---------- Footer ---------- */
footer { background: var(--ink); color: #a3a59c; padding: 44px 0; font-size: 14px; margin-top: 80px; }
.foot { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot strong { font-family: "Open Sans", sans-serif; font-weight: 800; }
.foot-brand { color: var(--white); }
footer a { color: #c9cac5; text-decoration: none; }
footer a:hover { color: var(--accent); }
footer .legal { font-size: 12.5px; margin-top: 24px; max-width: 720px; color: #797c72; }

/* ---------- Terminbuchung ---------- */
.booking-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.booking-panel { background: var(--white); padding: 36px 32px; }
.booking-panel h3 { color: var(--ink); font-size: 18px; margin-bottom: 20px; font-weight: 700; }
.booking-label { display: block; font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.booking-date-input {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 2px;
  font-family: inherit; font-size: 15px; color: var(--ink-soft); background: var(--white);
}
.slots-status { margin-top: 18px; font-size: 14.5px; color: var(--text-muted); }
.slots-grid { margin-top: 18px; display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 10px; }
.slot-btn {
  padding: 10px 8px; border: 1px solid var(--line); border-radius: 2px; background: var(--white);
  font-family: inherit; font-weight: 700; font-size: 14.5px; color: var(--ink-soft); cursor: pointer;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.slot-btn:hover { border-color: var(--accent); color: var(--accent-dark); }
.slot-btn.selected { background: var(--ink); border-color: var(--ink); color: var(--white); }

.selected-slot-note { margin-bottom: 20px; font-size: 14.5px; font-weight: 700; color: var(--accent-dark); background: var(--accent-tint); padding: 12px 16px; border-radius: 2px; }

.booking-form .form-row { margin-bottom: 16px; }
.booking-form label { display: block; font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.booking-form input[type="text"],
.booking-form input[type="email"],
.booking-form input[type="tel"],
.booking-form input[type="date"],
.booking-form input[type="time"],
.booking-form input[type="password"],
.booking-form textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 2px;
  font-family: inherit; font-size: 15px; color: var(--ink-soft); background: var(--white);
}
.booking-form textarea { resize: vertical; }
.booking-form .form-row-split { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.booking-form .form-row-checkbox label { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.booking-form button[type="submit"] { width: 100%; text-align: center; border: none; cursor: pointer; }
.booking-form button[type="submit"]:disabled { opacity: .5; cursor: not-allowed; }

.booking-error { background: #fbeaea; border-left: 3px solid #b23b3b; color: #7a2626; padding: 12px 16px; font-size: 14px; margin-bottom: 16px; }
.booking-success { padding: 8px 0; }
.booking-success h3 { color: var(--accent-dark); margin-bottom: 8px; }
.booking-success p { color: var(--text-muted); }

/* ---------- Admin ---------- */
body[data-page="admin"] header .nav { justify-content: space-between; }
#admin-login-section { padding: 64px 0; }
.admin-login-box { max-width: 380px; margin: 0 auto; background: var(--paper-alt); border: 1px solid var(--border); border-top: 3px solid var(--accent); padding: 36px 32px; }
.admin-login-box h2 { margin-bottom: 6px; }
.admin-login-box p { color: var(--text-muted); font-size: 14.5px; margin-bottom: 24px; }
.admin-login-box label { display: block; font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.admin-login-box input { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 2px; font-family: inherit; font-size: 15px; margin-bottom: 16px; }
.admin-login-box button { width: 100%; border: none; cursor: pointer; }

#admin-app { padding-top: 40px; }
.admin-week-nav { display: flex; align-items: center; justify-content: center; gap: 24px; margin-bottom: 20px; }
.admin-week-nav button { background: none; border: 1px solid var(--line); border-radius: 2px; width: 36px; height: 36px; cursor: pointer; font-size: 16px; }
.admin-week-range { font-weight: 800; font-size: 17px; color: var(--ink); min-width: 200px; text-align: center; }

.day-chips { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
.day-chip {
  padding: 10px 16px; border: 1px solid var(--line); border-radius: 2px; background: var(--white);
  font-family: inherit; font-weight: 700; font-size: 14px; color: var(--ink-soft); cursor: pointer;
}
.day-chip:hover { border-color: var(--accent); }
.day-chip.selected { background: var(--ink); border-color: var(--ink); color: var(--white); }

.admin-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); align-items: start; }
.admin-panel { background: var(--white); padding: 28px 26px; }
.admin-panel h3 { font-size: 16.5px; margin-bottom: 18px; color: var(--ink); }

.agenda-list { list-style: none; }
.agenda-item { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--border); }
.agenda-item:last-child { border-bottom: none; }
.agenda-time { min-width: 96px; font-weight: 800; font-size: 14px; color: var(--ink); }
.agenda-body { flex: 1; }
.agenda-badge { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .4px; text-transform: uppercase; padding: 3px 8px; border-radius: 2px; margin-bottom: 6px; }
.agenda-badge-booking { background: var(--accent-tint); color: var(--accent-dark); }
.agenda-badge-blocked { background: #f3e6e6; color: #8a3a3a; }
.agenda-badge-other { background: var(--paper-alt); color: var(--text-muted); }
.agenda-title-text { font-size: 14.5px; font-weight: 700; color: var(--ink-soft); }
.agenda-desc { font-size: 13px; color: var(--text-muted); margin-top: 4px; white-space: pre-line; }
.agenda-gcal { display: inline-block; margin-top: 6px; font-size: 12.5px; font-weight: 700; color: var(--accent-dark); text-decoration: none; }
.agenda-gcal:hover { text-decoration: underline; }
.agenda-delete { background: none; border: 1px solid var(--line); border-radius: 2px; padding: 6px 12px; font-size: 12.5px; font-weight: 700; color: #8a3a3a; cursor: pointer; align-self: center; }
.agenda-delete:hover { border-color: #8a3a3a; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .booking-grid { grid-template-columns: 1fr; }
  .admin-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .menu-btn { display: block; }
  nav ul {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--paper); flex-direction: column; gap: 0; padding: 8px 0 16px;
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  }
  nav ul.open { display: flex; }
  nav li { width: 100%; text-align: center; }
  nav a.navlink { display: block; padding: 12px 0; }
  .nav-cta { margin: 8px 24px 0; display: block; text-align: center; }
  .grid-4, .steps { grid-template-columns: 1fr; }
  .btn-ghost-dark, .btn-ghost-light { margin-left: 0; margin-top: 12px; display: inline-block; }
  .hero, .page-hero { padding: 48px 0 36px; }
  section { padding: 52px 0; }
  .contact { padding: 40px 24px; }
  .foot { flex-direction: column; }
}