/* ============================================================
   responsive.css – Mobile-first Breakpoints
   Schnepper GmbH – Bauunternehmung
   ============================================================ */

/* ── Small Tablets (640px+) ──────────────────────────────────── */
@media (min-width: 640px) {
  .projekt-meta {
    grid-template-columns: repeat(4, 1fr);
  }

  .photo-gallery {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery-item--featured {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 6;
  }
  h1 { font-size: var(--fs-4xl); }

  .hero h1 { font-size: var(--fs-5xl); }

  .intro-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ref-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Tablets (768px+) ────────────────────────────────────────── */
@media (min-width: 768px) {
  /* Header / Navigation */
  .hamburger {
    display: none;
  }

  .page-hero__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .main-nav {
    display: flex !important;
    position: static;
    background: transparent;
    padding: 0;
    border: none;
    overflow: visible;
    inset: auto;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-6);
  }

  .nav-link {
    font-size: var(--fs-sm);
    padding-bottom: var(--space-1);
  }

  /* Hero */
  .hero-content {
    text-align: left;
  }

  /* Intro */
  .intro-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }

  /* About */
  .about-strip {
    grid-template-columns: 1fr 1fr;
  }

  /* Service Detail */
  .service-detail {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── Desktop (1024px+) ───────────────────────────────────────── */
@media (min-width: 1024px) {
  /* Navigation spacing */
  .nav-list {
    gap: var(--space-8);
  }

  /* Hero */
  .hero h1 {
    font-size: var(--fs-5xl);
  }

  /* Services grid – 4 columns on full leistungen page */
  .services-grid--four {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Services grid – 3 columns (Hausbau / Rohbau / Sanierung) */
  .services-grid--three {
    grid-template-columns: repeat(3, 1fr);
  }

  /* References */
  .ref-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* About – image right */
  .about-strip--reverse .about-strip__image {
    order: 2;
  }
  .about-strip--reverse .about-strip__content {
    order: 1;
  }
}

/* ── Wide screens (1280px+) ──────────────────────────────────── */
@media (min-width: 1280px) {
  .container {
    width: min(var(--max-width), 100% - 4rem);
  }
}

/* ── Mobile-only overrides ───────────────────────────────────── */
@media (max-width: 639px) {
  .lightbox__inner {
    padding: 3.5rem 3rem;
  }

  .lightbox__btn,
  .lightbox__close {
    width: 40px;
    height: 40px;
  }

  .lightbox__btn--prev { left: 0.4rem; }
  .lightbox__btn--next { right: 0.4rem; }

  /* Hero-Buttons gestapelt und vollbreit */
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .hero {
    min-height: 80vh;
    background-attachment: scroll; /* Prevent fixed background issues on mobile */
  }

  .hero h1 {
    font-size: var(--fs-3xl);
  }

  .hero-sub {
    font-size: var(--fs-base);
  }

  .cta-band h2 {
    font-size: var(--fs-2xl);
  }

  .cta-band__phone {
    font-size: var(--fs-3xl);
  }

  .page-hero h1 {
    font-size: var(--fs-3xl);
  }

  .about-strip__facts {
    grid-template-columns: repeat(2, 1fr);
  }

  .fact-box__number {
    font-size: var(--fs-2xl);
  }

  .legal-content {
    padding: var(--space-12) 0;
  }

  .error-page__code {
    font-size: 5rem;
  }

  #scroll-top {
    bottom: var(--space-5);
    right: var(--space-5);
    width: 40px;
    height: 40px;
  }
}

/* ── Print Styles ────────────────────────────────────────────── */
@media print {
  .site-header,
  .site-footer,
  .hamburger,
  #scroll-top,
  .cta-band,
  .cta-box {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}