@import url("fonts.css");

/* ==========================================================================
   Bak V&B — Handwerksbetrieb Leverkusen
   Gestaltung: technisch-präzise. Marineblau als Anker, Orange als
   sparsamer Akzent, beides aus dem bestehenden Firmenlogo abgeleitet.
   ========================================================================== */

:root {
  --navy-900: #041D33;
  --navy-800: #052B4F;
  --navy-700: #0A3D6B;
  --navy-600: #14568F;

  --orange:      #E87107;
  --orange-deep: #B25505;   /* Textakzent auf hellem Grund (Kontrast 4.8:1) */
  --orange-lite: #F79B3D;   /* Textakzent auf dunklem Grund (Kontrast 6.3:1) */

  --paper:   #F7F5F2;
  --paper-2: #EDE9E3;
  --line:    #D8D2C9;

  --ink:   #16212C;
  --muted: #5B6774;

  --ff-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --ff-body:    "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --ff-mono:    "IBM Plex Mono", "Consolas", monospace;

  --wrap: 1240px;
  --gut: clamp(1.25rem, 4vw, 3rem);

  --shadow-md: 0 2px 4px rgba(4, 29, 51, .06), 0 12px 28px rgba(4, 29, 51, .10);
  --shadow-lg: 0 4px 8px rgba(4, 29, 51, .08), 0 24px 60px rgba(4, 29, 51, .16);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: clamp(1rem, .95rem + .25vw, 1.125rem);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 0 0 .6em;
  text-wrap: balance;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--navy-700); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--orange-deep); }

img { max-width: 100%; height: auto; display: block; }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.skip {
  position: absolute; left: -9999px;
  background: var(--navy-800); color: #fff;
  padding: .8rem 1.2rem; z-index: 100; font-weight: 600;
}
.skip:focus { left: 1rem; top: 1rem; }

/* Abschnittsmarke: 01 / LEISTUNGEN --------------------------------------- */
.eyebrow {
  font-family: var(--ff-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange-deep);
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.25rem;
}
.eyebrow::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}
.on-dark .eyebrow { color: var(--orange-lite); }
.on-dark .eyebrow::after { background: rgba(255, 255, 255, .18); }

/* Kopfzeile --------------------------------------------------------------- */
.head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 245, 242, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.head__in {
  display: flex; align-items: center; gap: 1.5rem;
  min-height: 74px;
}
.brand {
  display: flex; align-items: center; gap: .75rem;
  text-decoration: none; color: var(--navy-800);
  margin-right: auto;
}
.brand svg, .brand img { height: 40px; width: auto; flex: none; }
.brand__name {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -.03em;
  line-height: 1;
}
.brand__tag {
  display: block;
  font-family: var(--ff-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .2rem;
}

.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a {
  font-size: .95rem; font-weight: 500;
  color: var(--ink); text-decoration: none;
  padding: .3rem 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--navy-800); border-bottom-color: var(--orange); }

.head__tel {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--ff-mono); font-weight: 600; font-size: .95rem;
  background: var(--navy-800); color: #fff;
  padding: .7rem 1.1rem; text-decoration: none;
  white-space: nowrap;
}
.head__tel:hover { background: var(--orange); color: #fff; }
.head__tel svg { width: 17px; height: 17px; fill: currentColor; }

.burger {
  display: none;
  background: none; border: 1px solid var(--line);
  width: 46px; height: 46px; padding: 0; cursor: pointer;
}
.burger span, .burger span::before, .burger span::after {
  display: block; height: 2px; width: 20px;
  background: var(--navy-800); margin-inline: auto;
  transition: transform .2s;
}
.burger span::before, .burger span::after { content: ""; position: relative; }
.burger span::before { top: -6px; }
.burger span::after { top: 4px; }

@media (max-width: 900px) {
  .nav {
    position: fixed; inset: 74px 0 auto;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: .5rem var(--gut) 1.5rem;
    transform: translateY(-130%); transition: transform .28s ease;
    box-shadow: var(--shadow-md);
  }
  .nav[data-open="true"] { transform: translateY(0); }
  .nav a { padding: .85rem 0; border-bottom: 1px solid var(--line); }
  .burger { display: block; order: 3; }
  .head__tel span { display: none; }
  .head__tel { padding: .7rem .85rem; }
}
@media (max-width: 620px) {
  .head .brand__tag { display: none; }        /* würde sonst zweizeilig umbrechen */
  .brand__name { font-size: 1.28rem; }
}

/* Hero -------------------------------------------------------------------- */
.hero { position: relative; background: var(--navy-900); color: #fff; overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  opacity: .5;
}
.hero::after {           /* Verlauf: Text links bleibt lesbar */
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(4, 29, 51, .95) 0%, rgba(4, 29, 51, .82) 42%, rgba(4, 29, 51, .35) 100%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .028) 0 1px, transparent 1px 4px);
}
.hero__in {
  position: relative; z-index: 2;
  padding-block: clamp(4rem, 11vh, 7.5rem) clamp(3rem, 8vh, 5rem);
  max-width: 47rem;
}
.hero h1 {
  font-size: clamp(2.3rem, 1.4rem + 4.2vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -.035em;
  margin-bottom: .5em;
}
.hero h1 em { font-style: normal; color: var(--orange-lite); }
.hero__lead {
  font-size: clamp(1.06rem, 1rem + .5vw, 1.32rem);
  color: rgba(255, 255, 255, .88);
  max-width: 40rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.25rem; }

.hero__trust {
  position: relative; z-index: 2;
  display: flex; flex-wrap: wrap; gap: .5rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, .16);
  padding-block: 1.15rem;
  font-family: var(--ff-mono); font-size: .78rem;
  letter-spacing: .04em; color: rgba(255, 255, 255, .78);
}
.hero__trust li { list-style: none; display: flex; align-items: center; gap: .5rem; }
.hero__trust ul { display: contents; }
.hero__trust svg { width: 15px; height: 15px; fill: var(--orange-lite); flex: none; }

/* Schaltflächen ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--ff-body); font-size: 1rem; font-weight: 600;
  padding: .95rem 1.6rem;
  text-decoration: none; border: 2px solid transparent;
  cursor: pointer; transition: background .18s, color .18s, border-color .18s;
}
.btn svg { width: 18px; height: 18px; fill: currentColor; flex: none; }
.btn--primary { background: var(--orange); color: #fff; }
.btn--primary:hover { background: #fff; color: var(--navy-800); }
.btn--ghost { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--navy-800); border-color: #fff; }
.btn--dark { background: var(--navy-800); color: #fff; }
.btn--dark:hover { background: var(--orange); color: #fff; }
.btn--outline { border-color: var(--navy-800); color: var(--navy-800); }
.btn--outline:hover { background: var(--navy-800); color: #fff; }

/* Kennzahlenband ---------------------------------------------------------- */
.facts { background: var(--navy-800); color: #fff; }
.facts ul {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.facts li {
  padding: 1.6rem 1.4rem;
  border-left: 1px solid rgba(255, 255, 255, .13);
}
.facts li:first-child { border-left: 0; }
.facts b {
  display: block;
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1rem, .9rem + .35vw, 1.2rem);
  letter-spacing: -.01em;
  margin-bottom: .15rem;
}
.facts span {
  font-family: var(--ff-mono); font-size: .72rem;
  letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255, 255, 255, .62);
}
@media (max-width: 760px) {
  .facts ul { grid-template-columns: repeat(2, 1fr); }
  .facts li:nth-child(3) { border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .13); }
}

/* Abschnitte -------------------------------------------------------------- */
section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
section.tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.on-dark { background: var(--navy-900); color: #fff; }
.on-dark h2, .on-dark h3 { color: #fff; }
.on-dark a { color: var(--orange-lite); }
.alt { background: var(--paper-2); }

.sec-head { max-width: 44rem; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.sec-head h2 { font-size: clamp(1.85rem, 1.3rem + 2.1vw, 2.9rem); }
.sec-head p { color: var(--muted); font-size: 1.07em; margin-bottom: 0; }
.on-dark .sec-head p { color: rgba(255, 255, 255, .76); }

/* Leistungen -------------------------------------------------------------- */
.services { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }
.svc {
  background: #fff; border: 1px solid var(--line);
  border-top: 3px solid var(--navy-800);
  padding: 1.9rem 1.7rem 1.7rem;
  display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s, border-top-color .2s;
}
.svc:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-top-color: var(--orange); }
.svc--lead { border-top-color: var(--orange); }
.svc__no {
  font-family: var(--ff-mono); font-size: .74rem; font-weight: 600;
  letter-spacing: .12em; color: var(--muted); margin-bottom: 1rem;
}
.svc h3 { font-size: 1.3rem; margin-bottom: .5rem; }
.svc p { color: var(--muted); font-size: .97rem; }
.svc ul {
  list-style: none; margin: .35rem 0 0; padding: 0;
  font-size: .93rem; border-top: 1px solid var(--line); padding-top: .9rem;
}
.svc li { padding-left: 1.15rem; position: relative; margin-bottom: .3rem; }
.svc li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 6px; height: 6px; background: var(--orange);
}

/* Galerie ----------------------------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.75rem; }
.filters button {
  font-family: var(--ff-mono); font-size: .76rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  background: transparent; color: var(--muted);
  border: 1px solid var(--line); padding: .55rem 1rem; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.filters button:hover { border-color: var(--navy-800); color: var(--navy-800); }
.filters button[aria-pressed="true"] {
  background: var(--navy-800); color: #fff; border-color: var(--navy-800);
}

.gal {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  grid-auto-rows: 210px;
}
.gal figure { margin: 0; position: relative; overflow: hidden; background: var(--paper-2); }
.gal figure.tall { grid-row: span 2; }
.gal figure.wide { grid-column: span 2; }
.gal button {
  all: unset; display: block; cursor: zoom-in;
  width: 100%; height: 100%;
}
.gal img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s cubic-bezier(.2, .7, .3, 1);
}
.gal figure:hover img { transform: scale(1.055); }
.gal figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 1.9rem .9rem .75rem;
  font-family: var(--ff-mono); font-size: .72rem;
  letter-spacing: .06em; color: #fff;
  background: linear-gradient(transparent, rgba(4, 29, 51, .88));
  pointer-events: none;
}
@media (max-width: 560px) {
  .gal { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 145px; gap: 8px; }
  .gal figure.wide { grid-column: span 2; }
}

/* Leuchtkasten ------------------------------------------------------------ */
.box {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(4, 29, 51, .95);
  display: grid; place-items: center;
  padding: clamp(.5rem, 3vw, 2.5rem);
  border: 0;
}
.box::backdrop { background: rgba(4, 29, 51, .95); }
.box img { max-width: 100%; max-height: 82vh; object-fit: contain; }
.box figcaption {
  color: rgba(255, 255, 255, .85); text-align: center;
  font-family: var(--ff-mono); font-size: .82rem; margin-top: 1rem;
}
.box__close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: 1px solid rgba(255, 255, 255, .4);
  color: #fff; width: 46px; height: 46px; font-size: 1.4rem;
  cursor: pointer; line-height: 1;
}
.box__close:hover { background: var(--orange); border-color: var(--orange); }
.box__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: none; border: 1px solid rgba(255, 255, 255, .4);
  color: #fff; width: 48px; height: 64px; font-size: 1.5rem; cursor: pointer;
}
.box__nav:hover { background: var(--orange); border-color: var(--orange); }
.box__nav[data-dir="prev"] { left: .75rem; }
.box__nav[data-dir="next"] { right: .75rem; }

/* Ablauf ------------------------------------------------------------------ */
.steps { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: s; }
.step { position: relative; padding-top: 2.9rem; counter-increment: s; }
.step::before {
  content: counter(s, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-family: var(--ff-mono); font-size: 1.5rem; font-weight: 600;
  color: var(--orange-lite);
}
.step::after {
  content: ""; position: absolute; top: 1.05rem; left: 2.6rem; right: 0;
  height: 1px; background: rgba(255, 255, 255, .18);
}
.step:last-child::after { display: none; }
.step h3 { font-size: 1.14rem; margin-bottom: .35rem; }
.step p { font-size: .95rem; color: rgba(255, 255, 255, .76); margin: 0; }

/* Nachweise --------------------------------------------------------------- */
.proof { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(275px, 1fr)); }
.cert {
  background: #fff; border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  padding: 1.5rem;
}
.cert h3 { font-size: 1.08rem; margin-bottom: .4rem; }
.cert p { font-size: .93rem; color: var(--muted); margin-bottom: .6rem; }
.cert code {
  font-family: var(--ff-mono); font-size: .78rem;
  background: var(--paper-2); padding: .2rem .45rem;
  color: var(--navy-800); word-break: break-all;
}

/* Bewertungen ------------------------------------------------------------- */
.rev-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem;
  border: 1px solid var(--line); background: #fff;
  padding: 1.5rem 1.75rem; margin-bottom: 1.75rem;
}
.rev-score { display: flex; align-items: center; gap: 1rem; }
.rev-score > b {
  font-family: var(--ff-display); font-size: 2.7rem; font-weight: 800;
  line-height: 1; letter-spacing: -.04em; color: var(--navy-800);
}
.stars { display: flex; gap: 3px; }
.stars svg { width: 20px; height: 20px; fill: #F5A623; }
.stars svg.off { fill: var(--line); }
.rev-meta { font-size: .9rem; color: var(--muted); }
.rev-meta b { color: var(--ink); }
.rev-head .btn { margin-left: auto; }

.revs { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.rev {
  background: #fff; border: 1px solid var(--line);
  padding: 1.5rem; display: flex; flex-direction: column; gap: .8rem;
}
.rev .stars svg { width: 16px; height: 16px; }
.rev blockquote { margin: 0; font-size: .97rem; }
.rev footer {
  font-family: var(--ff-mono); font-size: .76rem;
  letter-spacing: .05em; color: var(--muted);
  margin-top: auto; padding-top: .5rem;
}
.rev-note {
  margin-top: 1.5rem; font-size: .88rem; color: var(--muted);
  border-left: 3px solid var(--line); padding-left: 1rem;
}

/* Region ------------------------------------------------------------------ */
.region-grid {
  display: grid; gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}
@media (max-width: 820px) { .region-grid { grid-template-columns: 1fr; } }
.places { list-style: none; margin: 1.5rem 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: .5rem; }
.places li {
  font-family: var(--ff-mono); font-size: .8rem;
  border: 1px solid var(--line); background: #fff;
  padding: .4rem .75rem; color: var(--navy-800);
}

/* Kontakt ----------------------------------------------------------------- */
.contact-grid {
  display: grid; gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: 1.05fr .95fr;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.ways { display: grid; gap: 1rem; margin-top: 2rem; }
.way {
  display: flex; align-items: center; gap: 1.15rem;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .16);
  padding: 1.15rem 1.35rem; text-decoration: none; color: #fff;
  transition: background .18s, border-color .18s;
}
.way:hover { background: rgba(255, 255, 255, .1); border-color: var(--orange); color: #fff; }
.way__ico {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  background: var(--navy-700); border: 1px solid rgba(255, 255, 255, .18);
}
.way__ico svg { width: 21px; height: 21px; fill: var(--orange-lite); }
.way b {
  display: block; font-family: var(--ff-mono); font-size: 1.02rem;
  font-weight: 600; letter-spacing: .01em;
}
.way span { font-size: .84rem; color: rgba(255, 255, 255, .66); }

.card-addr {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .16);
  padding: 1.75rem;
}
.card-addr h3 { font-size: 1.1rem; }
.card-addr address { font-style: normal; line-height: 1.8; }
.card-addr dl { margin: 1.5rem 0 0; display: grid; gap: .5rem; font-size: .93rem; }
.card-addr dt {
  font-family: var(--ff-mono); font-size: .7rem; letter-spacing: .1em;
  text-transform: uppercase; color: rgba(255, 255, 255, .6);
}
.card-addr dd { margin: 0 0 .6rem; }

/* Fußzeile ---------------------------------------------------------------- */
.foot { background: var(--navy-900); color: rgba(255, 255, 255, .72); padding-block: 3.5rem 0; }
.foot__grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1.4fr 1fr 1fr;
  padding-bottom: 2.5rem;
}
@media (max-width: 780px) { .foot__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .foot__grid { grid-template-columns: 1fr; } }
.foot h4 {
  font-family: var(--ff-mono); font-size: .74rem; font-weight: 600;
  letter-spacing: .13em; text-transform: uppercase;
  color: #fff; margin-bottom: 1.1rem;
}
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: .55rem; }
.foot a { color: rgba(255, 255, 255, .72); text-decoration: none; }
.foot a:hover { color: var(--orange-lite); text-decoration: underline; }
.foot .brand__name { color: #fff; }
.foot__bar {
  border-top: 1px solid rgba(255, 255, 255, .13);
  padding-block: 1.4rem;
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem;
  font-size: .84rem;
}
.foot__bar p { margin: 0; }
.foot__bar nav { display: flex; gap: 1.25rem; margin-left: auto; }

/* Rechtstexte ------------------------------------------------------------- */
.legal { max-width: 50rem; }
.legal h1 { font-size: clamp(1.9rem, 1.4rem + 2vw, 2.7rem); }
.legal h2 { font-size: 1.35rem; margin-top: 2.5rem; }
.legal h3 { font-size: 1.08rem; margin-top: 1.75rem; }
.legal dl { display: grid; grid-template-columns: max-content 1fr; gap: .5rem 1.5rem; }
.legal dt { font-weight: 600; }
.legal dd { margin: 0; }
@media (max-width: 560px) {
  .legal dl { grid-template-columns: 1fr; gap: .1rem; }
  .legal dd { margin-bottom: .8rem; }
}
.legal address { font-style: normal; }
.note {
  background: #FFF8E6; border-left: 3px solid #E8A007;
  padding: 1rem 1.25rem; font-size: .93rem; margin-block: 1.5rem;
}

/* Einblenden beim Scrollen ------------------------------------------------
   Nur wenn JavaScript läuft (html.js). Ohne JavaScript ist alles sichtbar. */
.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.in { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s cubic-bezier(.2, .7, .3, 1); }
@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .reveal.in { opacity: 1; transform: none; transition: none; }
  .gal figure:hover img { transform: none; }
}

@media print {
  .head, .hero__bg, .filters, .box { display: none !important; }
  body { background: #fff; color: #000; }
}