/* Klempnerei Rohr-Schneider – Stylesheet */

@font-face { font-family: 'Archivo Black'; src: url('../fonts/ArchivoBlack-Regular.ttf') format('truetype'); font-weight: 900; font-style: normal; font-display: swap; }
@font-face { font-family: 'Playfair Display'; src: url('../fonts/PlayfairDisplay-Italic.ttf') format('truetype'); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: 'Playfair Display'; src: url('../fonts/PlayfairDisplay-BoldItalic.ttf') format('truetype'); font-weight: 700; font-style: italic; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('../fonts/Inter_18pt-Regular.ttf') format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }

:root {
  --color-blue: #0381d5; --color-blue-dark: #025fa0; --color-blue-darker: #013e69; --color-blue-light: #e6f2fc;
  --color-red: #ff0011; --color-red-dark: #c8000d;
  --color-white: #ffffff; --color-off-white: #f6f8fb;
  --color-grey-50: #f1f3f5; --color-grey-100: #e6e9ee; --color-grey-200: #cdd3da; --color-grey-300: #a7afb8;
  --color-grey-500: #5b6470; --color-grey-700: #2c333c; --color-grey-900: #0e1218; --color-black: #000;
  --font-display: 'Archivo Black', 'Arial Black', sans-serif;
  --font-script: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container: 1320px; --container-narrow: 920px;
  --radius-sm: 6px; --radius: 12px; --radius-lg: 22px;
  --shadow-sm: 0 2px 6px rgba(14,18,24,.06);
  --shadow: 0 10px 30px rgba(14,18,24,.08);
  --shadow-lg: 0 30px 60px rgba(14,18,24,.14);
  --t-fast: .18s ease; --t: .28s cubic-bezier(.2,.7,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.65;
  color: var(--color-grey-700);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, video, svg { max-width: 100%; display: block; }
a { color: var(--color-blue); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--color-red); }
ul { padding-left: 1.1rem; }
hr { border: 0; height: 1px; background: var(--color-grey-100); margin: 3rem 0; }
::selection { background: var(--color-blue); color: var(--color-white); }

h1, h2, h3, h4 {
  font-family: var(--font-display); font-weight: 900;
  color: var(--color-grey-900); text-transform: uppercase;
  line-height: 1.05; letter-spacing: -0.01em; margin: 0 0 1rem;
}
h1 { font-size: clamp(2.4rem, 6.5vw, 5.6rem); }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.6rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: 1.15rem; letter-spacing: .02em; }

.script {
  font-family: var(--font-script); font-style: italic; font-weight: 400;
  text-transform: none; letter-spacing: 0; color: var(--color-blue);
  display: block; font-size: clamp(1.2rem, 2.2vw, 1.9rem);
  margin-bottom: .5rem; line-height: 1.35;
}
.script--lg { font-size: clamp(1.5rem, 3vw, 2.8rem); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-body); font-size: clamp(.78rem, .85vw, .88rem);
  font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--color-blue); margin-bottom: clamp(1rem, 1.4vw, 1.4rem);
}
.eyebrow::before {
  content: ""; display: inline-block; width: 28px; height: 2px; background: var(--color-blue);
}

p { margin: 0 0 1.1rem; max-width: 68ch; }
p.lead { font-size: clamp(1.05rem, 1.3vw, 1.35rem); color: var(--color-grey-500); max-width: 60ch; line-height: 1.55; }

.highlight-red { color: var(--color-red); }
.highlight-blue { color: var(--color-blue); }

.container { width: min(100% - clamp(2.5rem, 4vw, 4rem), var(--container)); margin-inline: auto; }
.container-narrow { width: min(100% - clamp(2.5rem, 4vw, 4rem), var(--container-narrow)); margin-inline: auto; }

section { padding: clamp(3.5rem, 7vw, 7.5rem) 0; }
section.tight { padding: clamp(2.5rem, 5vw, 4rem) 0; }
section.dark { background: var(--color-grey-900); color: var(--color-grey-100); }
section.dark h1, section.dark h2, section.dark h3 { color: var(--color-white); }
section.dark .script { color: var(--color-white); opacity: .9; }
section.blue { background: var(--color-blue); color: var(--color-white); }
section.blue h1, section.blue h2, section.blue h3 { color: var(--color-white); }
section.blue .script { color: var(--color-white); }
section.muted { background: var(--color-off-white); }

.grid { display: grid; gap: clamp(1.6rem, 2.2vw, 2.4rem); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 920px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.split.reverse > :first-child { order: 2; }
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; }
  .split.reverse > :first-child { order: 0; }
}

.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: clamp(.95rem, 1.1vw, 1.15rem) clamp(1.6rem, 2vw, 2rem);
  font-family: var(--font-display); font-size: clamp(.92rem, 1.05vw, 1rem);
  letter-spacing: .06em; text-transform: uppercase;
  border: 2px solid transparent; border-radius: var(--radius);
  cursor: pointer; text-decoration: none;
  transition: transform var(--t), background var(--t), color var(--t), border-color var(--t);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--color-red); color: var(--color-white); }
.btn--primary:hover { background: var(--color-red-dark); color: var(--color-white); }
.btn--blue { background: var(--color-blue); color: var(--color-white); }
.btn--blue:hover { background: var(--color-blue-dark); color: var(--color-white); }
.btn--ghost { background: transparent; color: var(--color-white); border-color: var(--color-white); }
.btn--ghost:hover { background: var(--color-white); color: var(--color-grey-900); }
.btn--outline { background: transparent; color: var(--color-grey-900); border-color: var(--color-grey-900); }
.btn--outline:hover { background: var(--color-grey-900); color: var(--color-white); }
.btn .arrow { transition: transform var(--t); }
.btn:hover .arrow { transform: translateX(4px); }

.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-grey-100);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(.9rem, 1.2vw, 1.3rem) 0; gap: 1.5rem;
}
.brand { display: flex; align-items: center; gap: .85rem; text-decoration: none; color: var(--color-grey-900); height: 52px; }
.brand img.logo-img { display: block; height: 48px; width: auto; max-width: 240px; }
.footer .brand img.logo-img { background: #fff; padding: 6px 10px; border-radius: 6px; height: 44px; }
@media (max-width: 540px) { .brand img.logo-img { height: 40px; max-width: 200px; } }

.nav__menu { display: flex; align-items: center; gap: 1.7rem; list-style: none; margin: 0; padding: 0; }
.nav__menu a { color: var(--color-grey-700); font-weight: 500; font-size: .96rem; position: relative; padding: .4rem 0; }
.nav__menu a:hover, .nav__menu a.is-active { color: var(--color-grey-900); }
.nav__menu a.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; background: var(--color-blue);
}
.nav__cta { display: flex; align-items: center; gap: .8rem; }
.nav__phone { font-family: var(--font-display); font-size: .95rem; color: var(--color-grey-900); letter-spacing: .02em; }
.nav__phone .label {
  display: block; font-family: var(--font-script); font-style: italic;
  font-size: .78rem; color: var(--color-blue); font-weight: 400; letter-spacing: 0;
}
.nav__toggle { display: none; background: transparent; border: 0; cursor: pointer; padding: 6px; }
.nav__toggle span { display: block; width: 26px; height: 2px; background: var(--color-grey-900); margin: 5px 0; transition: var(--t); }

@media (max-width: 1080px) { .nav__menu { gap: 1.2rem; } }
@media (max-width: 960px) {
  .nav__menu, .nav__phone { display: none; }
  .nav__toggle { display: block; }
  .nav.is-open .nav__menu {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: var(--color-white);
    padding: 1.4rem 1.5rem 2rem; gap: 1rem;
    border-bottom: 1px solid var(--color-grey-100); box-shadow: var(--shadow);
  }
  .nav.is-open .nav__menu a { font-size: 1.05rem; }
}

.hero {
  position: relative;
  padding: clamp(5rem, 10vw, 11rem) 0 clamp(4rem, 8vw, 8rem);
  background: radial-gradient(ellipse at 80% 10%, rgba(3,129,213,.16), transparent 60%),
              linear-gradient(180deg, #fff 0%, var(--color-off-white) 100%);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: 0; right: -120px;
  width: 460px; height: 460px; background: var(--color-blue);
  border-radius: 50%; opacity: .06; filter: blur(2px);
}
.hero__inner { position: relative; z-index: 2; }
.hero__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } }
.hero h1 { margin-bottom: .4rem; }
.hero .lead { max-width: 540px; }
.hero__cta { display: flex; gap: .9rem; margin-top: 1.6rem; flex-wrap: wrap; }
.hero__visual {
  position: relative; aspect-ratio: 4 / 4.5; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-darker) 100%);
  box-shadow: var(--shadow-lg); overflow: hidden;
  min-height: clamp(340px, 45vw, 560px);
}
.hero__visual .badge {
  position: absolute; left: 1.2rem; bottom: 1.2rem;
  background: var(--color-red); color: white;
  font-family: var(--font-display); font-size: .78rem;
  letter-spacing: .1em; padding: .55rem .9rem;
  border-radius: 8px; z-index: 2;
}
.hero__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  margin-top: 2.4rem; padding-top: 2rem;
  border-top: 1px solid var(--color-grey-100);
}
.hero__stat strong {
  display: block; font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.8rem); color: var(--color-grey-900); line-height: 1;
}
.hero__stat span {
  font-family: var(--font-script); font-style: italic;
  color: var(--color-blue); font-size: .95rem;
}

.service-card {
  position: relative; background: var(--color-white);
  border: 1px solid var(--color-grey-100); border-radius: var(--radius);
  padding: clamp(1.6rem, 2vw, 2.2rem) clamp(1.6rem, 2vw, 2.2rem) clamp(1.7rem, 2vw, 2.4rem);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  display: flex; flex-direction: column; text-decoration: none; color: inherit; min-height: 100%;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--color-blue); }
.service-card__icon {
  width: clamp(52px, 5vw, 64px); height: clamp(52px, 5vw, 64px);
  display: grid; place-items: center;
  background: var(--color-blue-light); color: var(--color-blue);
  border-radius: 12px; margin-bottom: clamp(1.1rem, 1.5vw, 1.4rem);
}
.service-card__icon svg { width: clamp(28px, 2.5vw, 32px); height: clamp(28px, 2.5vw, 32px); }
.service-card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.service-card p {
  font-size: clamp(.95rem, 1.05vw, 1.05rem);
  color: var(--color-grey-500); margin-bottom: 1.2rem; line-height: 1.6;
}
.service-card__more {
  margin-top: auto; font-family: var(--font-display);
  font-size: .82rem; letter-spacing: .08em; color: var(--color-red);
  display: inline-flex; align-items: center; gap: .4rem;
}
.service-card:hover .service-card__more { color: var(--color-red-dark); }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; border-radius: var(--radius); overflow: hidden; }
.compare__item { position: relative; aspect-ratio: 4 / 3; background: var(--color-grey-100); display: grid; place-items: center; }
.compare__item span {
  position: absolute; top: .8rem; left: .8rem;
  background: rgba(0,0,0,.55); color: white;
  font-family: var(--font-display); font-size: .72rem;
  letter-spacing: .1em; padding: .35rem .6rem; border-radius: 6px;
}

.video-slot {
  position: relative; aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-grey-900), #1a2330);
  border-radius: var(--radius); display: grid; place-items: center;
  overflow: hidden; color: white;
}
.video-slot__play {
  width: 86px; height: 86px; border-radius: 50%;
  background: var(--color-red); display: grid; place-items: center;
  color: white; box-shadow: 0 12px 40px rgba(255,0,17,.4); position: relative;
}
.video-slot__play svg { width: 28px; height: 28px; margin-left: 4px; }

.video-portrait {
  display: block; max-width: 380px; margin: 0 auto;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); background: #000; aspect-ratio: 9 / 16;
}
.video-portrait video { display: block; width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 500px) { .video-portrait { max-width: 100%; } }

.trust-strip {
  background: var(--color-white);
  border-top: 1px solid var(--color-grey-100);
  border-bottom: 1px solid var(--color-grey-100);
  padding: 1.6rem 0;
}
.trust-strip__inner { display: flex; align-items: center; justify-content: center; gap: 2.2rem; flex-wrap: wrap; }
.trust-strip__item { display: flex; flex-direction: column; align-items: center; text-align: center; gap: .4rem; min-width: 140px; }
.trust-strip__item img {
  height: 130px; width: auto; max-width: 110px; object-fit: contain;
  background: #fff; border: 1px solid var(--color-grey-100);
  border-radius: var(--radius-sm); padding: 4px; box-shadow: var(--shadow-sm);
}
.trust-strip__item.is-text {
  height: 130px; display: flex; align-items: center; justify-content: center;
  padding: 0 1.2rem; border: 1.5px solid var(--color-grey-100);
  background: var(--color-off-white); border-radius: var(--radius-sm);
  font-family: var(--font-display); font-size: .82rem;
  letter-spacing: .06em; color: var(--color-grey-700);
  line-height: 1.3; text-transform: uppercase; text-align: center;
}
.trust-strip__label {
  width: 100%; text-align: center;
  font-family: var(--font-script); font-style: italic;
  color: var(--color-grey-500); margin-bottom: .4rem; font-size: .95rem;
}
@media (max-width: 720px) {
  .trust-strip__inner { gap: 1rem; }
  .trust-strip__item img { height: 100px; max-width: 85px; }
  .trust-strip__item.is-text { height: 100px; font-size: .72rem; padding: 0 .8rem; }
}

.cta-band {
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-darker) 100%);
  color: white; border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 5vw, 4rem); position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 320px; height: 320px; background: var(--color-red);
  border-radius: 50%; opacity: .18; filter: blur(1px);
}
.cta-band h2 { color: white; max-width: 16ch; }
.cta-band .script { color: rgba(255,255,255,.85); }
.cta-band__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.4rem; align-items: center; position: relative; }
@media (max-width: 820px) { .cta-band__grid { grid-template-columns: 1fr; } }
.cta-band__buttons { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }
.cta-band__contact {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius); padding: 1.4rem;
}
.cta-band__contact h4 { color: white; margin-bottom: .6rem; font-size: .95rem; letter-spacing: .08em; }
.cta-band__contact p { color: rgba(255,255,255,.85); margin-bottom: .4rem; font-size: .96rem; }
.cta-band__contact a { color: white; font-weight: 700; }
.cta-band__contact a:hover { color: var(--color-red); }

.steps { counter-reset: step; display: grid; gap: 1.4rem; }
.steps__item {
  position: relative; padding: 1.6rem 1.6rem 1.6rem 5rem;
  background: var(--color-white); border: 1px solid var(--color-grey-100);
  border-radius: var(--radius); transition: var(--t);
}
.steps__item:hover { border-color: var(--color-blue); box-shadow: var(--shadow-sm); }
.steps__item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 1.2rem; top: 1.5rem;
  width: 50px; height: 50px; display: grid; place-items: center;
  background: var(--color-blue); color: white;
  font-family: var(--font-display); font-size: 1rem; border-radius: 12px;
}
.steps__item h4 { font-size: 1.05rem; margin-bottom: .4rem; }
.steps__item p { margin: 0; color: var(--color-grey-500); }

.footer {
  background: var(--color-grey-900); color: var(--color-grey-200);
  padding: 4.5rem 0 0; margin-top: 0;
}
.footer__grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 2.2rem; padding-bottom: 3rem;
}
@media (max-width: 920px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 { color: white; font-size: .95rem; letter-spacing: .08em; margin-bottom: 1rem; }
.footer .brand { color: white; }
.footer p { color: var(--color-grey-300); font-size: .94rem; line-height: 1.65; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: .55rem; font-size: .94rem; }
.footer ul a { color: var(--color-grey-300); }
.footer ul a:hover { color: white; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.4rem 0; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem; font-size: .85rem; color: var(--color-grey-300);
}
.footer__legal a { color: var(--color-grey-300); margin-right: 1.2rem; }
.footer__legal a:hover { color: white; }

.section-head { max-width: 820px; margin-bottom: clamp(2.6rem, 4vw, 3.6rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-bottom: .6rem; }

.form { display: grid; gap: 1rem; }
.form .row { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 620px) { .form .row { grid-template-columns: 1fr; } }
.form label {
  display: block; font-family: var(--font-display);
  font-size: .78rem; letter-spacing: .08em;
  margin-bottom: .4rem; color: var(--color-grey-700);
}
.form input, .form textarea, .form select {
  width: 100%; font-family: var(--font-body); font-size: 1rem;
  padding: .85rem 1rem; border: 1.5px solid var(--color-grey-100);
  border-radius: var(--radius-sm); background: var(--color-white);
  color: var(--color-grey-900); transition: border-color var(--t-fast);
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none; border-color: var(--color-blue);
}
.form textarea { resize: vertical; min-height: 140px; }
.form .check { display: flex; gap: .6rem; align-items: flex-start; }
.form .check input { width: auto; margin-top: 4px; }
.form .check label { font-family: var(--font-body); letter-spacing: 0; font-size: .88rem; color: var(--color-grey-500); }

.page-head {
  background: radial-gradient(ellipse at 80% 0%, rgba(3,129,213,.14), transparent 60%),
              linear-gradient(180deg, #fff 0%, var(--color-off-white) 100%);
  padding: clamp(4rem, 8vw, 7.5rem) 0 clamp(2.5rem, 5vw, 5rem);
  border-bottom: 1px solid var(--color-grey-100);
}
.page-head__inner { max-width: 920px; }
.crumbs { font-family: var(--font-body); font-size: .85rem; color: var(--color-grey-500); margin-bottom: 1.2rem; }
.crumbs a { color: var(--color-grey-500); }
.crumbs a:hover { color: var(--color-blue); }
.crumbs span { margin: 0 .4rem; color: var(--color-grey-300); }

.features { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.features li { display: flex; gap: .8rem; align-items: flex-start; padding-left: 0; font-size: .98rem; }
.features li::before {
  content: ""; width: 22px; height: 22px;
  background: var(--color-blue); border-radius: 50%;
  flex: 0 0 22px; margin-top: 3px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-repeat: no-repeat; background-position: center; background-size: 14px;
}

.badge-pill {
  display: inline-flex; align-items: center; gap: .45rem;
  background: var(--color-blue-light); color: var(--color-blue);
  font-family: var(--font-display); font-size: .74rem;
  letter-spacing: .08em; padding: .4rem .8rem; border-radius: 100px;
}
.badge-pill.red { background: #ffe4e7; color: var(--color-red); }
.badge-pill.dark { background: var(--color-grey-900); color: white; }

.divider-mark { display: inline-block; width: 50px; height: 4px; background: var(--color-blue); margin-bottom: 1rem; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: .5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; } .mb-4 { margin-bottom: 2rem; }
.flex { display: flex; gap: .8rem; flex-wrap: wrap; }