:root {
  --blue: #0B1D33;
  --blue-deep: #06111f;
  --silver: #C0C6CC;
  --red: #8B1E2D;
  --red-bright: #aa2638;
  --anthracite: #1A1F24;
  --white: #F5F7F9;
  --ink: #111820;
  --muted: #66717c;
  --line-dark: rgba(245, 247, 249, .15);
  --line-light: rgba(11, 29, 51, .15);
  --font: "D-DIN", "DIN 2014", Bahnschrift, "Arial Narrow", Arial, sans-serif;
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--white);
  background: var(--blue-deep);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; }
img { display: block; max-width: 100%; }
a { color: inherit; }
p, h1, h2, h3, dl, dd { margin-top: 0; }

.shell { width: var(--shell); margin-inline: auto; }
.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 {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 12px 18px;
  color: var(--blue);
  background: var(--white);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.preview-bar {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 7px 20px;
  color: var(--white);
  background: var(--red);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-align: center;
  text-transform: uppercase;
}
.preview-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(245, 247, 249, .18);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(6, 17, 31, .92);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--white);
  text-decoration: none;
}
.brand img {
  width: 46px;
  height: auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, .35));
}
.brand-word { color: var(--silver); font-size: 1.25rem; font-weight: 700; letter-spacing: .12em; }
.main-nav { display: flex; align-items: center; gap: clamp(18px, 2.5vw, 34px); }
.main-nav a {
  position: relative;
  color: var(--silver);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  background: var(--red-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .2s ease;
}
.main-nav a:hover, .main-nav a:focus-visible { color: var(--white); }
.main-nav a:hover::after, .main-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 11px 18px; border: 1px solid rgba(192, 198, 204, .55); }
.menu-button { display: none; }

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: calc(100svh - 112px);
  display: grid;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(6, 17, 31, .08), rgba(6, 17, 31, .92)),
    repeating-radial-gradient(circle at 82% 48%, transparent 0 30px, rgba(192, 198, 204, .035) 31px 32px),
    var(--blue);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, transparent 0 49.9%, rgba(192, 198, 204, .08) 50%, transparent 50.1%);
  background-size: 25% 100%;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 80%, transparent);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
  align-items: center;
  gap: clamp(42px, 7vw, 100px);
  padding-block: clamp(72px, 10vw, 138px);
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--red-bright);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow span { color: currentColor; opacity: .75; }
h1, h2, h3 { font-weight: 600; line-height: 1.05; }
h1 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(3.4rem, 7.2vw, 7.8rem);
  letter-spacing: -.035em;
  text-transform: uppercase;
}
h1 em { color: var(--silver); font-style: normal; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-about { max-width: 650px; margin-top: 38px; color: #d4d9de; font-size: clamp(1rem, 1.4vw, 1.15rem); }
.hero-about p { margin: 0 0 15px; }
.hero-about p:last-child { margin-bottom: 0; }
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--red); }
.button-primary:hover, .button-primary:focus-visible { background: var(--red-bright); }

.hero-mark { position: relative; display: grid; place-items: center; min-height: 480px; }
.hero-mark img {
  position: relative;
  z-index: 2;
  width: min(74%, 380px);
  height: auto;
  filter: drop-shadow(0 28px 60px rgba(0, 0, 0, .55));
}
.hero-mark::before {
  content: "";
  position: absolute;
  width: min(95%, 480px);
  aspect-ratio: 1;
  border: 1px solid rgba(192, 198, 204, .18);
  border-radius: 50%;
}
.orbit { position: absolute; aspect-ratio: 1; border-radius: 50%; border: 1px solid transparent; }
.orbit-one { width: min(75%, 390px); border-top-color: var(--red); border-right-color: rgba(139, 30, 45, .25); transform: rotate(24deg); }
.orbit-two { width: min(110%, 560px); border-bottom-color: rgba(192, 198, 204, .18); transform: rotate(-18deg); }
.hero-mark p { position: absolute; right: -22px; bottom: 36px; z-index: 3; display: flex; gap: 18px; margin: 0; writing-mode: vertical-rl; color: #8793a0; font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; }

.section { padding-block: clamp(82px, 10vw, 140px); }
.section-light { color: var(--ink); background: var(--white); }
#leistungen {
  background-image: linear-gradient(rgba(245, 247, 249, .78), rgba(245, 247, 249, .83)), url("assets/saaf-window-cleaning.jpg");
  background-position: center, center 42%;
  background-size: cover;
}
#ablauf {
  background-image: linear-gradient(rgba(245, 247, 249, .78), rgba(245, 247, 249, .83)), url("assets/saaf-floor-cleaning.jpg");
  background-position: center, center 52%;
  background-size: cover;
}
.section-heading { max-width: 760px; margin-bottom: 54px; }
.section-heading h2, .principles h2, .contact h2 { margin-bottom: 20px; font-size: clamp(2.5rem, 5vw, 5.2rem); letter-spacing: -.03em; text-transform: uppercase; }
.section-heading > p:last-child { max-width: 650px; color: var(--muted); font-size: 1.08rem; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(30px, 8vw, 110px); align-items: end; }
.split-heading > p:last-child { margin-bottom: 10px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.service-card { min-height: 330px; padding: 34px clamp(22px, 3vw, 42px); border-right: 1px solid var(--line-light); background: rgba(245, 247, 249, .9); }
.service-card:last-child { border-right: 0; }
.service-card.featured { color: var(--white); background: var(--blue); transform: translateY(-18px); box-shadow: 0 22px 50px rgba(11, 29, 51, .17); }
.service-card h3 { margin: 0 0 24px; font-size: clamp(1.25rem, 2vw, 1.75rem); text-transform: uppercase; letter-spacing: .02em; overflow-wrap: anywhere; hyphens: auto; }
.service-card ul { margin: 0; padding: 0; list-style: none; }
.service-card li { padding: 10px 0; border-top: 1px solid var(--line-light); color: var(--muted); }
.service-card.featured li { border-top-color: var(--line-dark); color: #d3dae1; }

.principles {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 72%, rgba(139, 30, 45, .2), transparent 28%),
    linear-gradient(135deg, var(--blue), var(--blue-deep));
}
.principles-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(54px, 10vw, 140px); align-items: center; }
.principles-intro > p:not(.eyebrow) { max-width: 470px; color: #b8c0c8; }
.section-logo { display: block; width: 142px; height: auto; margin-top: 54px; opacity: .9; filter: drop-shadow(0 14px 26px rgba(0,0,0,.45)); }
.principle-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.principle-list li { display: grid; grid-template-columns: 54px 1fr; gap: 20px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--line-dark); }
.principle-list > li > span { color: var(--red-bright); font-size: .74rem; letter-spacing: .16em; }
.principle-list h3 { margin: 0 0 6px; font-size: 1.35rem; letter-spacing: .06em; text-transform: uppercase; }
.principle-list p { margin: 0; color: #9ca8b3; }

.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 0; padding: 1px; list-style: none; background: var(--line-light); }
.process-grid li { min-height: 210px; padding: 28px; background: rgba(245, 247, 249, .9); }
.process-grid span { color: var(--red); font-size: .75rem; letter-spacing: .16em; }
.process-grid h3 { margin: 54px 0 12px; font-size: 1.35rem; text-transform: uppercase; }
.process-grid p { margin: 0; color: var(--muted); }

.clarity {
  background:
    radial-gradient(circle at 14% 72%, rgba(139, 30, 45, .2), transparent 28%),
    var(--blue);
}
.about-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(50px, 9vw, 120px); align-items: center; }
.clarity .section-heading { margin-bottom: 0; }
.about-bio { max-width: 520px; color: var(--silver); font-size: 1.08rem; line-height: 1.7; }
.about-person { width: min(100%, 340px); margin: 0; justify-self: end; }
.about-person img { display: block; width: 100%; height: auto; border: 1px solid var(--line-dark); }
.about-person figcaption { display: grid; gap: 5px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-dark); }
.about-person strong { font-size: 1.35rem; font-weight: 600; letter-spacing: .02em; }
.about-person figcaption span { color: var(--silver); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }

.contact {
  background-color: var(--white);
  background-image: linear-gradient(rgba(245, 247, 249, .78), rgba(245, 247, 249, .84)), url("assets/saaf-contact-cleaner.png");
  background-position: center, center 44%;
  background-size: cover;
}
.contact-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(50px, 10vw, 140px); align-items: start; }
.contact-copy > p:not(.eyebrow) { max-width: 500px; color: var(--muted); }
.contact-status { display: flex; align-items: center; gap: 14px; margin-top: 36px; padding: 18px 0; border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.contact-status > span { width: 10px; height: 10px; border-radius: 50%; background: var(--red-bright); box-shadow: 0 0 0 6px rgba(170, 38, 56, .17); }
.contact-status strong, .contact-status small { display: block; }
.contact-status strong { font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-status small { color: var(--muted); }
.contact-form { display: grid; gap: 20px; padding: clamp(26px, 4vw, 48px); border: 1px solid var(--line-dark); background: var(--blue); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: grid; gap: 8px; color: var(--silver); font-size: .76rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.contact-form input, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid rgba(192, 198, 204, .4); border-radius: 0; padding: 13px 0; color: var(--white); background: transparent; font-size: 1rem; line-height: 1.5; outline: 0; }
.contact-form textarea { min-height: 130px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-bottom-color: var(--red-bright); box-shadow: 0 1px 0 var(--red-bright); }
.contact-form .button { justify-self: start; margin-top: 8px; }
.form-message { min-height: 28px; margin: 0; color: var(--silver); font-size: .9rem; }

.site-footer { padding: 58px 0 26px; color: var(--silver); background: var(--blue-deep); border-top: 1px solid var(--line-dark); }
.footer-main { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 40px; align-items: center; padding-bottom: 38px; }
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-brand img { width: 46px; height: auto; filter: drop-shadow(0 4px 12px rgba(0, 0, 0, .35)); }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand span, .footer-state span { color: #7f8b97; font-size: .82rem; }
.footer-state p { margin: 0; color: var(--white); font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.legal-pending { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px 18px; font-size: .8rem; }
.legal-pending a, .legal-pending span { padding-bottom: 3px; border-bottom: 1px dashed #697581; }
.legal-pending a { text-decoration: none; }
.legal-pending a:hover { color: var(--white); border-bottom-color: currentColor; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid var(--line-dark); color: #687583; font-size: .78rem; }
.footer-bottom a { text-decoration: none; }

.legal-back { color: var(--silver); font-size: .84rem; font-weight: 700; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.legal-back:hover { color: var(--white); }
.legal-page .shell { max-width: 850px; }
.legal-page h1 { margin-bottom: 28px; font-size: clamp(3rem, 7vw, 5rem); text-transform: uppercase; }
.legal-page h2 { margin: 55px 0 20px; font-size: 1.5rem; text-transform: uppercase; }
.legal-warning { padding: 20px 24px; border-left: 3px solid var(--red); background: #fff; color: var(--ink); }
.legal-info { margin: 0; }
.legal-info > div { display: grid; grid-template-columns: 220px 1fr; gap: 30px; padding: 20px 0; border-bottom: 1px solid var(--line-light); }
.legal-info dt { font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.legal-info dd { margin: 0; overflow-wrap: anywhere; }
.legal-info a { color: var(--red); }
.legal-placeholder { color: #8b1e2d; font-weight: 700; }

:focus-visible { outline: 2px solid #f1afba; outline-offset: 4px; }

@media (max-width: 980px) {
  .menu-button {
    width: 48px;
    height: 44px;
    display: grid;
    place-content: center;
    gap: 7px;
    border: 1px solid var(--line-dark);
    color: var(--white);
    background: transparent;
    cursor: pointer;
  }
  .menu-button span:not(.sr-only) { width: 22px; height: 1px; background: currentColor; transition: transform .2s ease; }
  .menu-button[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(4px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-of-type(3) { transform: translateY(-4px) rotate(-45deg); }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 16px 20px 24px;
    border-top: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
    background: var(--blue-deep);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 13px 0; }
  .nav-cta { margin-top: 8px; padding-inline: 14px !important; text-align: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mark { min-height: 390px; }
  .hero-mark img { width: min(56vw, 330px); }
  .hero-mark p { right: 8%; }
  .split-heading, .principles-layout, .about-layout, .contact-layout { grid-template-columns: 1fr; }
  .about-person { justify-self: start; }
  .service-card { min-height: 300px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .legal-pending { grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 680px) {
  :root { --shell: min(100% - 28px, 1180px); }
  html { scroll-padding-top: 90px; }
  .preview-bar { font-size: .68rem; letter-spacing: .06em; }
  .header-inner { min-height: 68px; }
  .brand img { width: 40px; }
  .footer-brand img { width: 40px; }
  .brand-word { font-size: 1.05rem; }
  .hero { min-height: auto; }
  .hero-grid { padding-block: 72px 90px; gap: 28px; }
  h1 { font-size: clamp(3rem, 16vw, 4.9rem); }
  .hero-about { font-size: 1rem; }
  .hero-actions .button { width: 100%; }
  .hero-mark { min-height: 320px; }
  .hero-mark img { width: min(70vw, 280px); }
  .hero-mark p { display: none; }
  .section { padding-block: 76px; }
  .section-heading h2, .principles h2, .contact h2 { font-size: clamp(2.3rem, 12vw, 3.6rem); }
  .service-grid { grid-template-columns: 1fr; border-bottom: 0; }
  .service-card { min-height: 240px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .service-card.featured { transform: none; }
  .section-logo { width: 108px; }
  .principle-list li { grid-template-columns: 40px 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid li { min-height: 180px; }
  .process-grid h3 { margin-top: 48px; }
  .field-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }
  .contact-form .button { width: 100%; }
  .footer-main { grid-template-columns: 1fr; }
  .legal-info > div { grid-template-columns: 1fr; gap: 6px; }
  .legal-pending { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}