/* ============================================================
   Dachbau Krüger – Demo-Website
   Industrieller Look: Anthrazit, Signal-Orange, Dachschrägen-
   Diagonalen · Anton + Archivo
   ============================================================ */

:root {
  --coal: #1c1e21;
  --coal-deep: #131416;
  --slate: #2a2d31;
  --paper: #f4f2ed;
  --paper-dim: #e7e3da;
  --ink: #23252a;
  --ink-soft: #5c5f66;
  --orange: #f06511;
  --orange-deep: #c94f08;
  --line-dark: #3a3d42;
  --line-light: #d4cfc4;

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

  --pad: clamp(1.25rem, 5vw, 5rem);
  --pitch: 4deg; /* die "Dachschräge" der Sektionen */
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
}

a { color: inherit; }

.section { padding: clamp(4rem, 9vw, 7rem) var(--pad); }

.section-head { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  border-left: 4px solid var(--orange);
  padding-left: 0.7rem;
  margin-bottom: 0.9rem;
}
h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.9rem 1.7rem;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  /* abgeschrägte Ecke als Wiedererkennung */
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn-accent { background: var(--orange); color: #fff; }
.btn-accent:hover { background: var(--orange-deep); transform: translateY(-2px); }
.btn-outline { border-color: var(--paper); color: var(--paper); background: transparent; }
.btn-outline:hover { background: var(--paper); color: var(--coal); transform: translateY(-2px); }
.btn-dark { background: var(--coal); color: #fff; }
.btn-dark:hover { background: var(--coal-deep); transform: translateY(-2px); }

/* ===== Topbar ===== */
.topbar {
  background: var(--orange);
  color: #fff;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.45rem var(--pad);
}
.topbar a { color: #fff; white-space: nowrap; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--pad);
  background: var(--coal);
  color: var(--paper);
  border-bottom: 1px solid var(--line-dark);
}
.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
}
.logo em { font-style: normal; color: var(--orange); }
.logo-mark { color: var(--orange); margin-right: 0.15rem; }
.main-nav { display: flex; align-items: center; gap: 1.7rem; }
.main-nav a:not(.btn) {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  position: relative;
}
.nav-cta { white-space: nowrap; }
.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -5px;
  width: 100%; height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}
.main-nav a:not(.btn):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 0.6rem 1.2rem; font-size: 0.85rem; }
.nav-toggle { display: none; }

/* ===== Hero ===== */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  background:
    linear-gradient(rgba(28, 30, 33, 0.92), rgba(28, 30, 33, 0.97)),
    repeating-linear-gradient(45deg, transparent 0 34px, rgba(244, 242, 237, 0.05) 34px 36px);
  background-color: var(--coal);
  color: var(--paper);
  padding: clamp(3rem, 7vw, 6rem) var(--pad) clamp(5rem, 9vw, 8rem);
}
.hero-kicker {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.2rem;
}
.hero h1 {
  font-size: clamp(3.2rem, 8.5vw, 6.5rem);
  margin-bottom: 1.3rem;
}
.hero h1 .accent {
  color: var(--orange);
  display: inline-block;
}
.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: #c9c5bc;
  max-width: 32rem;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.6rem; }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 2.8rem;
  list-style: none;
  border-top: 1px solid var(--line-dark);
  padding-top: 1.5rem;
  font-size: 0.9rem;
  color: #c9c5bc;
}
.hero-trust strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--paper);
}
.hero-img {
  clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 92%);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}
.hero-img img { width: 100%; aspect-ratio: 4 / 4.6; object-fit: cover; background: var(--slate); }
/* Dachschrägen-Kante zur nächsten Sektion */
.hero-edge {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: clamp(2.5rem, 6vw, 5rem);
  background: var(--paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

/* ===== Leistungen ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.1rem;
}
.service-tile {
  background: #fff;
  border: 1px solid var(--line-light);
  border-top: 4px solid var(--coal);
  padding: 1.7rem 1.5rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-tile:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 35px rgba(28, 30, 33, 0.15);
  border-top-color: var(--orange);
}
.tile-num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--orange);
  letter-spacing: 0.1em;
}
.service-tile h3 { font-size: 1.35rem; margin: 0.6rem 0 0.6rem; }
.service-tile p { font-size: 0.95rem; color: var(--ink-soft); }
.tile-accent {
  background: var(--coal);
  border-color: var(--coal);
  border-top-color: var(--orange);
  color: var(--paper);
}
.tile-accent p { color: #c9c5bc; }

/* ===== Notdienst-Band ===== */
.emergency { background: var(--orange); color: #fff; }
.stripe {
  height: 14px;
  background: repeating-linear-gradient(-45deg, var(--coal) 0 18px, var(--orange) 18px 36px);
}
.emergency-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 2.2rem var(--pad);
}
.emergency h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
.emergency p { font-weight: 600; max-width: 28rem; }
.emergency .btn { font-size: 1.05rem; white-space: nowrap; }

/* ===== Ablauf ===== */
.process { background: var(--paper-dim); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  list-style: none;
  counter-reset: step;
}
.process-steps li {
  position: relative;
  background: #fff;
  border: 1px solid var(--line-light);
  padding: 2.4rem 1.5rem 1.7rem;
}
.step-num {
  position: absolute;
  top: -1.1rem;
  left: 1.3rem;
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.25rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}
.process-steps h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.process-steps p { font-size: 0.93rem; color: var(--ink-soft); }

/* ===== Projekte ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}
.project-grid figure {
  position: relative;
  overflow: hidden;
  background: var(--slate);
}
.project-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.project-grid figure:hover img { transform: scale(1.05); }
.project-grid figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.6rem 1.2rem 1rem;
  background: linear-gradient(transparent, rgba(19, 20, 22, 0.9));
  color: #fff;
}
.project-grid figcaption strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
}
.project-grid figcaption span { font-size: 0.85rem; color: #c9c5bc; }

/* ===== Über uns ===== */
.about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  background: var(--coal);
  color: var(--paper);
}
.about-img {
  clip-path: polygon(0 0, 100% 4%, 100% 96%, 0 100%);
}
.about-img img { width: 100%; aspect-ratio: 3 / 3.4; object-fit: cover; background: var(--slate); }
.about-img figcaption {
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.7rem 1rem;
}
.about-text h2 { margin-bottom: 1.2rem; }
.about-text > p:not(.section-kicker) { color: #c9c5bc; max-width: 34rem; margin-bottom: 1.6rem; }
.about-checks { list-style: none; display: grid; gap: 0.7rem; }
.about-checks li {
  padding-left: 1.9rem;
  position: relative;
  font-weight: 600;
}
.about-checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 800;
}

/* ===== Stimmen ===== */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}
.quotes blockquote {
  background: #fff;
  border: 1px solid var(--line-light);
  border-left: 4px solid var(--orange);
  padding: 1.6rem;
}
.quotes blockquote p { font-style: italic; margin-bottom: 1.1rem; }
.quotes footer {
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}
.quotes footer span { color: var(--orange); letter-spacing: 2px; }

/* ===== Kontakt ===== */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  background: var(--paper-dim);
}
.contact-info > p { color: var(--ink-soft); max-width: 26rem; margin-bottom: 1.6rem; }
.contact-info h2 { margin-bottom: 0.8rem; }
.contact address { font-style: normal; line-height: 2; margin-bottom: 1.4rem; }
.contact address a { color: var(--orange-deep); font-weight: 700; }
.hours { border-collapse: collapse; }
.hours td { padding: 0.35rem 0; }
.hours td:first-child { padding-right: 2.5rem; font-weight: 700; }
.hours tr + tr td { border-top: 1px solid var(--line-light); }

.contact-form {
  background: var(--coal);
  color: var(--paper);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.contact-form h3 { font-size: 1.6rem; margin-bottom: 1.4rem; }
.contact-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 1.1rem;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.8rem 0.9rem;
  font: inherit;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--paper);
  background: var(--slate);
  border: 1.5px solid var(--line-dark);
  transition: border-color 0.2s ease;
}
.contact-form select option { color: var(--ink); background: #fff; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
}
.contact-form .btn { width: 100%; margin-top: 0.4rem; }
.form-note { margin-top: 1rem; font-size: 0.9rem; color: #ffb98a; text-transform: none; }

/* ===== Footer ===== */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem var(--pad);
  background: var(--coal-deep);
  color: #c9c5bc;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--paper);
}
.footer-logo em { font-style: normal; color: var(--orange); }
.site-footer nav { display: flex; gap: 1.5rem; }
.site-footer nav a { font-size: 0.9rem; font-weight: 700; text-decoration: none; }
.site-footer nav a:hover { color: var(--orange); }
.footer-note { font-size: 0.85rem; }

/* ===== Scroll-Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===== Responsive ===== */
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; }
  .hero-img { max-width: 30rem; }
  .about { grid-template-columns: 1fr; }
  .about-img { max-width: 24rem; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 60;
  }
  .nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--paper);
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .main-nav {
    position: fixed;
    inset: 0;
    background: var(--coal);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    font-size: 1.2rem;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1);
    z-index: 55;
  }
  .main-nav.open { transform: translateX(0); }

  .topbar { font-size: 0.8rem; }
  .emergency-inner { justify-content: center; text-align: center; }
}