/* BESA Dienstleistungen
   Formensprache: die abgeschrägten Ecken der Bildmarke (Achteck im Quadrat)
   kehren als Schnittkante an Bildern, Buttons und Flächen wieder. */

@font-face {
  font-family: "Archivo";
  src: url("/fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: "Figtree";
  src: url("/fonts/figtree-var.woff2") format("woff2");
  font-weight: 300 900;
  font-display: swap;
}

:root {
  --cyan: #3fc1f5;
  --cyan-deep: #0a6f9c;
  --cyan-mist: #e4f5fd;
  --ink: #101313;
  --ink-soft: #3b4447;
  --paper: #f3f7f9;
  --white: #ffffff;
  --line: rgba(16, 19, 19, 0.12);
  --line-light: rgba(255, 255, 255, 0.16);

  --font-display: "Archivo", "Arial Narrow", sans-serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;

  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2.5rem;
  --s-5: 4rem;
  --s-6: 6.5rem;

  --cut: 22px;
  --cut-sm: 10px;
  --ease: cubic-bezier(0.22, 1.2, 0.36, 1);

  --shadow-raised: 0 1px 2px rgba(10, 111, 156, 0.08), 0 8px 24px -8px rgba(10, 111, 156, 0.22);
  --shadow-float: 0 2px 4px rgba(16, 19, 19, 0.08), 0 18px 40px -12px rgba(10, 111, 156, 0.4);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-stretch: 118%;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  text-wrap: balance;
}
h1 { font-size: clamp(2.5rem, 6.4vw, 5.25rem); text-transform: uppercase; }
h2 { font-size: clamp(1.9rem, 4vw, 3.1rem); text-transform: uppercase; }
h3 { font-size: 1.25rem; letter-spacing: -0.02em; line-height: 1.15; }

.shell { width: min(100% - 2.5rem, 76rem); margin-inline: auto; }
.section { padding-block: var(--s-6); }
.section-head { max-width: 44rem; margin-bottom: var(--s-5); }
.section-head p { margin-top: var(--s-3); color: var(--ink-soft); font-size: 1.125rem; }

.label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--s-3);
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-deep);
}
.label::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  background: var(--cyan);
  clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--white);
  transition: transform 0.2s var(--ease);
}
.skip:focus { transform: translateY(5rem); }

:focus-visible { outline: 3px solid var(--cyan-deep); outline-offset: 3px; }
.dark :focus-visible { outline-color: var(--cyan); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 3.25rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
  text-decoration: none;
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}
.btn svg { width: 1.15rem; height: 1.15rem; flex: none; }
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn-primary { background: var(--ink); color: var(--white); }
.btn-cyan { background: var(--cyan); color: var(--ink); }
.btn-line { background: var(--white); color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink); clip-path: none; }
.btn-line:hover { opacity: 0.85; }

/* ---------- Kopfzeile ---------- */

.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}
.top-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  min-height: 4.5rem;
}
.brand { display: block; flex: none; transition: opacity 0.2s ease; }
.brand:hover { opacity: 0.75; }
.brand:active { opacity: 0.6; }
.brand img { height: 2.75rem; width: auto; }

.nav { display: flex; align-items: center; gap: var(--s-4); }
.nav-links { display: none; gap: var(--s-4); }
.nav-links a {
  position: relative;
  padding-block: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.15rem;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:hover::after, .nav-links a:focus-visible::after { transform: scaleX(1); }
.nav-links a:active { opacity: 0.6; }
.nav .btn { min-height: 2.75rem; padding: 0.6rem 1.1rem; font-size: 0.9rem; }
.nav .btn span { display: none; }

@media (min-width: 30rem) { .nav .btn span { display: inline; } }
@media (min-width: 60rem) { .nav-links { display: flex; } }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--s-5) var(--s-6);
  background:
    radial-gradient(60rem 34rem at 88% -10%, rgba(63, 193, 245, 0.34), transparent 62%),
    radial-gradient(38rem 26rem at -8% 108%, rgba(63, 193, 245, 0.2), transparent 60%),
    radial-gradient(28rem 20rem at 42% 46%, rgba(255, 255, 255, 0.9), transparent 70%),
    var(--paper);
}
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero-in { position: relative; z-index: 1; display: grid; gap: var(--s-5); align-items: center; }
.hero h1 em { font-style: normal; color: var(--cyan-deep); }
.hero .lead { margin-top: var(--s-3); max-width: 34rem; font-size: 1.2rem; color: var(--ink-soft); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-4); }

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-2);
  margin-top: var(--s-5);
  padding-top: var(--s-3);
  border-top: 1px solid var(--line);
  max-width: 34rem;
}
.facts dt {
  font-family: var(--font-display);
  font-stretch: 118%;
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1;
}
.facts dd { margin: 0.4rem 0 0; font-size: 0.875rem; line-height: 1.35; color: var(--ink-soft); }
.facts div { display: flex; flex-direction: column; }

.hero-visual { position: relative; max-width: 30rem; margin-inline: auto; width: 100%; }
.hero-visual .frame { filter: drop-shadow(0 26px 34px rgba(10, 111, 156, 0.3)); }
.hero-visual .shot { aspect-ratio: 4 / 5; --cut: 44px; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 9% -6% -5% 12%;
  background: var(--cyan);
  clip-path: polygon(44px 0, 100% 0, 100% calc(100% - 44px), calc(100% - 44px) 100%, 0 100%, 0 44px);
}
.hero-card {
  position: absolute;
  left: -0.75rem;
  bottom: 1.75rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.2rem 0.9rem 0.9rem;
  background: var(--white);
  text-decoration: none;
  box-shadow: var(--shadow-float);
  transition: transform 0.3s var(--ease);
}
.hero-card:hover { transform: translateY(-4px); }
.hero-card:active { transform: translateY(0) scale(0.98); }
.hero-card img { width: 2.75rem; height: 2.75rem; }
.hero-card small { display: block; font-size: 0.78rem; line-height: 1.2; color: var(--ink-soft); }
.hero-card strong { font-family: var(--font-display); font-stretch: 112%; font-weight: 800; font-size: 1.1rem; white-space: nowrap; }

@media (min-width: 60rem) {
  .hero-in { grid-template-columns: 1.1fr 0.9fr; gap: var(--s-6); }
  .hero-visual { margin-inline: 0 2rem; justify-self: end; }
  .hero-card { left: -3rem; }
}

/* ---------- Bilder: Schnittkante, Farbschicht, Verlauf ---------- */

.shot {
  position: relative;
  overflow: hidden;
  background: var(--cyan-mist);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}
.shot img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.shot::before, .shot::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.shot::before { background: var(--cyan); mix-blend-mode: multiply; opacity: 0.16; }
.shot::after { background: linear-gradient(to top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0) 55%); }

/* ---------- Leistungen ---------- */

.services { background: var(--white); }
.svc-grid { display: grid; gap: var(--s-4) var(--s-3); }
.svc .frame { filter: drop-shadow(0 12px 18px rgba(10, 111, 156, 0.18)); }
.svc .shot { aspect-ratio: 4 / 3; }
.svc:hover .shot img { transform: scale(1.05); }
.svc-num, .svc h3 { position: absolute; z-index: 2; }
.svc-num {
  top: 0;
  right: 0;
  padding: 0.35rem 0.75rem;
  background: var(--cyan);
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}
.svc h3 { left: 1.1rem; right: 1.1rem; bottom: 1rem; color: var(--white); hyphens: auto; font-stretch: 106%; font-weight: 700; letter-spacing: 0; }
.svc p { margin-top: var(--s-2); color: var(--ink-soft); font-size: 1rem; }

@media (min-width: 36rem) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 68rem) { .svc-grid { grid-template-columns: repeat(4, 1fr); } .svc h3 { font-size: 1.15rem; } }

/* ---------- Für wen ---------- */

.audience { background: var(--cyan-mist); }
.aud-grid { display: grid; gap: var(--s-3); }
.aud {
  position: relative;
  padding: var(--s-4) var(--s-3) var(--s-3);
  background: var(--white);
  box-shadow: var(--shadow-raised);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}
.aud::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: var(--cut);
  height: var(--cut);
  background: var(--cyan);
}
.aud h3 { font-size: 1.4rem; text-transform: uppercase; }
.aud p { margin-top: var(--s-2); color: var(--ink-soft); }
@media (min-width: 52rem) { .aud-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Ablauf ---------- */

.steps { display: grid; gap: var(--s-4); counter-reset: step; }
.step { position: relative; padding-left: 4.25rem; counter-increment: step; }
.step::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-display);
  font-stretch: 118%;
  font-weight: 800;
  font-size: 1.15rem;
  clip-path: polygon(28% 0, 72% 0, 100% 28%, 100% 72%, 72% 100%, 28% 100%, 0 72%, 0 28%);
}
.step p { margin-top: var(--s-1); color: var(--ink-soft); }
@media (min-width: 52rem) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
  .step { padding: 4.25rem var(--s-2) 0 0; border-top: 2px solid var(--ink); }
  .step::before { top: -1.5rem; }
}

/* ---------- Kontakt ---------- */

.dark { background: var(--ink); color: var(--white); }
.contact {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(46rem 30rem at 100% 0%, rgba(63, 193, 245, 0.26), transparent 62%),
    radial-gradient(30rem 22rem at 0% 100%, rgba(63, 193, 245, 0.12), transparent 60%),
    var(--ink);
}
.contact.grain::after { mix-blend-mode: screen; opacity: 0.12; }
.contact-in { position: relative; z-index: 1; display: grid; gap: var(--s-5); }
.contact .label { color: var(--cyan); }
.contact .lead { margin-top: var(--s-3); max-width: 30rem; font-size: 1.15rem; color: rgba(255, 255, 255, 0.76); }
.contact address { margin-top: var(--s-4); font-style: normal; color: rgba(255, 255, 255, 0.76); }
.contact address strong { display: block; color: var(--white); }

.ways { display: grid; gap: var(--s-2); }
.way {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-2);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 0 1px var(--line-light);
  text-decoration: none;
  transition: transform 0.3s var(--ease);
}
.way:hover { transform: translateX(8px); }
.way:active { transform: translateX(2px) scale(0.99); }
.way-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 3rem;
  height: 3rem;
  background: var(--cyan);
  color: var(--ink);
  clip-path: polygon(28% 0, 72% 0, 100% 28%, 100% 72%, 72% 100%, 28% 100%, 0 72%, 0 28%);
}
.way-icon svg { width: 1.3rem; height: 1.3rem; }
.way small { display: block; font-size: 0.8rem; line-height: 1.3; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(255, 255, 255, 0.6); }
.way strong {
  display: block;
  font-family: var(--font-display);
  font-stretch: 100%;
  font-weight: 700;
  font-size: clamp(0.95rem, 3.4vw, 1.45rem);
  line-height: 1.25;
  overflow-wrap: anywhere;
}
.way-primary { background: var(--cyan); color: var(--ink); box-shadow: var(--shadow-float); }
.way-primary .way-icon { background: var(--ink); color: var(--cyan); }
.way-primary small { color: rgba(16, 19, 19, 0.7); }

@media (min-width: 30rem) { .way { gap: var(--s-3); padding: var(--s-3); } .way strong { font-stretch: 110%; } }
@media (min-width: 60rem) { .contact-in { grid-template-columns: 1fr 1fr; gap: var(--s-6); align-items: center; } }

/* ---------- Fußzeile ---------- */

.foot { background: var(--ink); color: rgba(255, 255, 255, 0.7); border-top: 1px solid var(--line-light); padding-block: var(--s-4); font-size: 0.9rem; }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-3); }
.foot img { height: 2.25rem; width: auto; }
.foot-links { display: flex; flex-wrap: wrap; gap: var(--s-3); }
.foot a { text-decoration: none; transition: opacity 0.2s ease; }
.foot a:hover { color: var(--cyan); }
.foot a:active { opacity: 0.6; }
.foot a[aria-current="page"] { color: var(--white); }
.foot-meta { width: 100%; padding-top: var(--s-3); border-top: 1px solid var(--line-light); }

/* ---------- Rechtstexte ---------- */

.legal { max-width: 46rem; padding-block: var(--s-5) var(--s-6); }
.legal h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin-bottom: var(--s-4); overflow-wrap: anywhere; hyphens: auto; }
.legal h2 { font-size: 1.2rem; text-transform: none; font-stretch: 108%; letter-spacing: -0.01em; line-height: 1.25; margin: var(--s-4) 0 var(--s-1); }
.legal p, .legal address { color: var(--ink-soft); font-style: normal; }
.legal p + p { margin-top: var(--s-2); }
.legal a { color: var(--cyan-deep); text-underline-offset: 0.2em; overflow-wrap: anywhere; transition: opacity 0.2s ease; }
.legal a:hover { opacity: 0.7; }
.legal a:active { opacity: 0.5; }
.legal .back { display: inline-block; margin-top: var(--s-5); font-weight: 700; }
.todo { background: #fff3c4; padding: 0.1em 0.35em; color: var(--ink); }

/* ---------- 404 ---------- */

.notfound { min-height: calc(100vh - 14rem); display: grid; align-items: center; }
.notfound-code {
  justify-self: center;
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 900;
  font-size: clamp(6rem, 24vw, 15rem);
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--cyan);
  text-shadow: 0.06em 0.06em 0 var(--ink);
}
@media (min-width: 60rem) { .notfound-code { justify-self: end; } }

/* ---------- Einblenden beim Scrollen ---------- */

.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.8s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
.d1 { --d: 0.08s; } .d2 { --d: 0.16s; } .d3 { --d: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .way, .hero-card, .shot img { transition: none; }
}