/* =====================================================================
   Schlüsseldienst Bergisch Gladbach – "Bergische Dreiklang"
   Schieferschwarz · Fachwerk-Weiß · Bergisch-Grün, warmes Messing-Gold
   ===================================================================== */

:root {
  --slate:      #23282b;   /* Schiefer */
  --slate-deep: #171a1c;
  --slate-soft: #3a4146;
  --paper:      #f6f3ec;   /* Fachwerk-Weiß / Putz */
  --paper-warm: #efe9dd;
  --green:      #1f6b4a;   /* Bergisch-Grün (Fensterläden) */
  --green-deep: #154d36;
  --green-tint: #e4ede7;
  --brass:      #b08537;   /* warmes Messing / Schlüssel-Gold */
  --brass-soft: #cda35a;
  --ink:        #21262a;
  --muted:      #5d666c;
  --line:       #ddd6c8;
  --white:      #ffffff;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 18px 44px -24px rgba(23,26,28,.45);
  --shadow-sm: 0 8px 22px -16px rgba(23,26,28,.4);
  --maxw: 1140px;

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; color: var(--slate); letter-spacing: -.01em; }

a { color: inherit; text-decoration: none; }

.section-label {
  font-size: .76rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--green); margin-bottom: .85rem;
}
.section-label.light { color: var(--brass-soft); }

.section-head { max-width: 640px; margin: 0 auto 2.6rem; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }

/* ---------- Brass key-bow brand mark ---------- */
.brand-mark {
  width: 26px; height: 26px; flex: 0 0 26px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--brass-soft), var(--brass) 70%);
  position: relative; box-shadow: inset 0 0 0 3px rgba(255,255,255,.18);
}
.brand-mark::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 7px; height: 7px;
  transform: translate(-50%,-50%); border-radius: 50%; background: var(--slate);
}

/* ---------- Wappen (Stadtwappen logo) ---------- */
.wappen-mark { height: 40px; width: auto; display: block; object-fit: contain; flex: 0 0 auto; }
.wappen-mark-footer { height: 38px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(35,40,43,.96);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--green);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 70px; }
.brand { display: flex; align-items: center; gap: .65rem; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 1.12rem; color: var(--paper); }
.brand-city { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--brass-soft); }

.header-phone { display: flex; flex-direction: column; align-items: flex-end; text-align: right; }
.header-phone-label { font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: #b7bdc0; }
.header-phone-number { font-family: var(--serif); font-weight: 700; font-size: 1.28rem; color: var(--paper); }
.header-phone:hover .header-phone-number { color: var(--brass-soft); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(180deg, rgba(35,40,43,.93), rgba(23,26,28,.96)),
    repeating-linear-gradient(115deg, #2b3134 0 38px, #262c2f 38px 76px);
  color: var(--paper);
  padding: clamp(3.4rem, 8vw, 6.2rem) 0 clamp(3rem, 7vw, 5rem);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 80% at 78% 18%, rgba(176,133,55,.16), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 780px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 600;
  color: var(--brass-soft); margin-bottom: 1.4rem;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(31,107,74,.25); }
.hero h1 { color: var(--paper); font-size: clamp(2.1rem, 5.4vw, 3.5rem); margin-bottom: 1.3rem; }
.hero h1 em { font-style: italic; color: var(--brass-soft); font-weight: 500; }
.hero-text { font-size: clamp(1.05rem, 2.1vw, 1.22rem); color: #d8d3c6; max-width: 620px; margin-bottom: 2rem; }

.hero-cta { display: flex; flex-wrap: wrap; gap: .85rem; margin-bottom: 1.9rem; }

.btn { display: inline-flex; flex-direction: column; border-radius: var(--radius-sm); transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.btn-primary {
  background: linear-gradient(180deg, var(--green), var(--green-deep));
  color: #fff; padding: .7rem 1.5rem; box-shadow: 0 12px 26px -12px rgba(31,107,74,.7);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(31,107,74,.8); }
.btn-ghost {
  background: rgba(246,243,236,.06); color: var(--paper);
  border: 1px solid rgba(205,163,90,.4); padding: .7rem 1.5rem;
}
.btn-ghost:hover { background: rgba(246,243,236,.12); transform: translateY(-2px); }
.btn-sub { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; opacity: .85; }
.btn-main { font-family: var(--serif); font-weight: 700; font-size: 1.35rem; }

.hero-badges { list-style: none; display: flex; flex-wrap: wrap; gap: .55rem .7rem; }
.hero-badges li {
  font-size: .82rem; font-weight: 600; color: var(--paper);
  background: rgba(246,243,236,.08); border: 1px solid rgba(246,243,236,.14);
  padding: .4rem .85rem; border-radius: 100px;
}
.hero-badges li::before { content: "✓ "; color: var(--brass-soft); }

/* ---------- Intro ---------- */
.intro { background: var(--paper-warm); padding: clamp(3rem, 6vw, 4.5rem) 0; border-bottom: 1px solid var(--line); }
.intro-inner { max-width: 820px; margin: 0 auto; text-align: center; }
.intro-text { font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--slate-soft); line-height: 1.8; }
.intro .section-label { display: inline-block; }

/* ---------- Services ---------- */
.services { padding: clamp(3.4rem, 7vw, 5.4rem) 0; }
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.25rem; }
.service-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem 1.6rem; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; position: relative; overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.service-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--green); transform: scaleY(0); transform-origin: top; transition: transform .22s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cbc4b3; }
.service-card:hover::before { transform: scaleY(1); }
.svc-icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: var(--green-tint); color: var(--green-deep); margin-bottom: 1.1rem;
}
.svc-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.2rem; margin-bottom: .6rem; }
.service-card p { color: var(--muted); font-size: .95rem; flex: 1; }
.svc-price {
  align-self: flex-start; margin-top: 1.1rem; font-family: var(--serif); font-weight: 700;
  font-size: 1.05rem; color: var(--green-deep);
  background: var(--green-tint); padding: .3rem .85rem; border-radius: 100px;
}

/* ---------- Trust ---------- */
.trust { background: var(--slate); color: var(--paper); padding: clamp(2.4rem, 5vw, 3.4rem) 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; text-align: center; }
.trust-num { display: block; font-family: var(--serif); font-weight: 700; font-size: clamp(2rem, 5vw, 3rem); color: var(--brass-soft); line-height: 1; }
.trust-num small { font-size: .42em; color: var(--paper); margin-left: 2px; }
.trust-label { font-size: .85rem; color: #c3c8ca; margin-top: .45rem; display: block; }

/* ---------- Benefits ---------- */
.benefits { padding: clamp(3.4rem, 7vw, 5.4rem) 0; background: var(--paper-warm); }
.benefit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; }
.benefit {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem; border-top: 4px solid var(--brass);
}
.benefit h3 { font-size: 1.18rem; margin-bottom: .55rem; }
.benefit p { color: var(--muted); font-size: .95rem; }

/* ---------- Districts ---------- */
.districts { padding: clamp(3rem, 6vw, 4.6rem) 0; }
.districts-inner { text-align: center; max-width: 780px; margin: 0 auto; }
.districts-inner .section-label { display: inline-block; }
.districts-inner h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 1.6rem; }
.district-list { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: .55rem; }
.district-list li {
  font-weight: 600; font-size: .9rem; color: var(--slate);
  background: var(--white); border: 1px solid var(--line);
  padding: .45rem 1rem; border-radius: 100px;
}
.district-plz { margin-top: 1.5rem; font-family: var(--serif); font-weight: 600; color: var(--green-deep); letter-spacing: .02em; }

/* ---------- FAQ ---------- */
.faq { padding: clamp(3.4rem, 7vw, 5.4rem) 0; background: var(--paper-warm); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: .8rem; }
.faq details {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0 1.4rem; box-shadow: var(--shadow-sm); transition: border-color .18s ease;
}
.faq details[open] { border-color: var(--green); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.15rem 2rem 1.15rem 0; position: relative;
  font-family: var(--serif); font-weight: 600; font-size: 1.08rem; color: var(--slate);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; color: var(--green); font-family: var(--sans); transition: transform .2s ease;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 1.2rem; color: var(--muted); font-size: .96rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    linear-gradient(180deg, rgba(21,77,54,.96), rgba(15,53,37,.98)),
    repeating-linear-gradient(115deg, #1d5d41 0 40px, #1a5239 40px 80px);
  color: #fff; padding: clamp(3.2rem, 7vw, 5rem) 0; text-align: center;
}
.cta-inner { max-width: 680px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.7rem); margin-bottom: 1.4rem; }
.cta-phone {
  display: inline-block; font-family: var(--serif); font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 3.8rem); color: #fff; letter-spacing: .01em;
  text-shadow: 0 2px 18px rgba(0,0,0,.3);
}
.cta-phone:hover { color: var(--brass-soft); }
.cta-note { margin: .9rem 0 1.6rem; color: #cfe0d6; font-size: .98rem; }
.btn-mobile {
  display: inline-block; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.3);
  color: #fff; padding: .7rem 1.6rem; border-radius: var(--radius-sm); font-weight: 600;
}
.btn-mobile:hover { background: rgba(255,255,255,.18); }

/* ---------- Closing ---------- */
.closing { padding: clamp(3rem, 6vw, 4.4rem) 0; }
.closing-inner { max-width: 820px; margin: 0 auto; text-align: center; }
.closing-inner p { color: var(--slate-soft); font-size: clamp(1.02rem, 1.9vw, 1.16rem); line-height: 1.85; font-style: italic; }

/* ---------- Footer ---------- */
.site-footer { background: var(--slate-deep); color: var(--paper); padding: 2.6rem 0 1.6rem; border-top: 3px solid var(--brass); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem; padding-bottom: 1.6rem; border-bottom: 1px solid rgba(246,243,236,.1); }
.footer-brand { display: flex; align-items: center; gap: .7rem; }
.footer-brand strong { display: block; font-family: var(--serif); font-size: 1.08rem; }
.footer-brand span { font-size: .8rem; color: #aab0b2; }
.footer-phone { font-family: var(--serif); font-weight: 700; font-size: 1.5rem; color: var(--brass-soft); }
.footer-links { display: flex; gap: 1.4rem; }
.footer-links a { font-size: .9rem; color: #cfd3d4; }
.footer-links a:hover { color: var(--brass-soft); }
.footer-copy { padding-top: 1.3rem; }
.footer-copy p { font-size: .82rem; color: #8b9194; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 1.6rem 1rem; }
  .header-phone-label { display: none; }
  .header-phone-number { font-size: 1.12rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 420px) {
  .btn-primary, .btn-ghost { flex: 1; }
  .hero-cta { gap: .6rem; }
}