/* ---------- Reset & Variables ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }

:root {
  --color-bg: #f8f9fb;
  --color-bg-alt: #f1f3f7;
  --color-surface: #ffffff;
  --color-text: #14171f;
  --color-text-muted: #5b6472;
  --color-accent: #2f5eff;
  --color-accent-dark: #1e3fcc;
  --color-accent-soft: #e8edff;
  --color-border: #e4e7ec;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 24px rgba(20, 23, 31, 0.06);
  --shadow-card-hover: 0 10px 32px rgba(20, 23, 31, 0.1);
  --container-width: 1140px;
}

.portrait-photo {
  padding: 0 !important;
  overflow: hidden;
  background: none !important;
  border: none !important;
}
.portrait-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 100px 0; }

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

h1 { font-size: 3.2rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 15px; }
h2 { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.015em; line-height: 1.15; }
h3 { font-size: 1.3rem; font-weight: 700; }
.section-lead {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 800px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-1px); }
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn .arrow { transition: transform 0.15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 249, 251, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}
.logo { font-size: 1.15rem; font-weight: 800; letter-spacing: -0.01em; }
.logo span { color: var(--color-accent); }
.main-nav { display: flex; gap: 32px; align-items: center; }
.main-nav a {
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--color-text); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero { padding: 100px 0 80px; text-align: center; }
.hero .eyebrow { display: block; }
.hero h1 { max-width: 1200px; margin: 0 auto 20px; }
.hero .section-lead { margin: 0 auto 36px; text-align: center; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-page { padding: 72px 0 56px; text-align: left; }
.hero-page h1 { max-width: 1200px; }

/* ---------- Placeholder images ---------- */
.img-placeholder {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #e7ecff, #d3deff);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  color: var(--color-accent-dark);
  font-size: 0.85rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}
.img-placeholder.v2 { background: linear-gradient(135deg, #ffe9d6, #ffd7b8); color: #a85a1e; }
.img-placeholder.v3 { background: linear-gradient(135deg, #ddf3e4, #bfe9cd); color: #1f7a44; }
.img-placeholder.v4 { background: linear-gradient(135deg, #ffe0ec, #ffc4dc); color: #a11856; }
.img-placeholder.tall { aspect-ratio: 4 / 5; }
.img-placeholder.wide { aspect-ratio: 21 / 9; }

/* ---------- Portfolio grid ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.project-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.project-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.project-card-body { padding: 4px 8px 12px; }
.project-card h3 { margin-bottom: 6px; }
.project-card p { color: var(--color-text-muted); font-size: 0.95rem; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
}

/* ---------- Section headers ---------- */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ---------- Testimonial ---------- */
.testimonial-section { background: var(--color-bg-alt); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px;
}
.testimonial-stars { color: var(--color-accent); font-size: 0.95rem; margin-bottom: 14px; }
.testimonial-quote { font-size: 1.05rem; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.author-name { font-weight: 700; font-size: 0.95rem; }
.author-role { color: var(--color-text-muted); font-size: 0.85rem; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 520px; margin: 0 auto 32px; }
.cta-banner .btn-primary { background: #fff; color: var(--color-accent-dark); }
.cta-banner .btn-primary:hover { background: #f1f3f7; }

/* ---------- About page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 56px;
  align-items: center;
}
.about-text > * + * { margin-top: 20px; }
.about-text p { color: var(--color-text-muted); }
.skills-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }

/* ---------- Project detail ---------- */
.project-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0 8px;
  padding: 28px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.project-meta-item h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  font-weight: 700;
}
.project-body { max-width: 760px; margin: 48px auto 0; }
.project-body h2 { margin-top: 48px; margin-bottom: 16px; }
.project-body h2:first-child { margin-top: 0; }
.project-body p { color: var(--color-text-muted); margin-bottom: 16px; }
.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 32px 0;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 24px;
}

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 28px; }
.contact-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.contact-info-item h4 { margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { color: var(--color-text-muted); }

.form-field { margin-bottom: 20px; }
.form-field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; }
.form-field input, .form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--color-accent); }
.form-note { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 12px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); padding-top: 64px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 48px;
}
.footer-brand p { color: var(--color-text-muted); margin-top: 12px; font-size: 0.9rem; max-width: 260px; }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 16px; }
.footer-col p { margin-bottom: 10px; font-size: 0.92rem; }
.footer-col a { color: var(--color-text-muted); }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 24px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* =====================================================
   Media Queries (nach Breakpoint gebündelt statt verstreut)
   ===================================================== */

/* ---------- min-width: 768px (Desktop-Erweiterungen) ---------- */
@media (min-width: 768px) {
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

/* ---------- max-width: 960px ---------- */
@media (max-width: 960px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- max-width: 860px ---------- */
@media (max-width: 860px) {
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    display: none;
  }

  .hero { padding: 100px 0 80px; text-align: center; }
  .hero .eyebrow { display: block; }
  .hero h1 { max-width: 1200px; margin-bottom: 25px; margin-top: 25px;}
  .hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  .hero-page { padding: 72px 0 56px; text-align: left; }
  .hero-page h1 { max-width: 1200px; }
    
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .btn-nav { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- max-width: 768px (alle vorherigen 768px-Blöcke zusammengeführt) ---------- */
@media (max-width: 768px) {
  section { padding: 50px 0; }

  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.7rem; }

  .hero { padding: 50px 0px 50px 0px; text-align: start; }
  .hero .section-lead {
    margin: 0 auto 36px;
    text-align: start;
}

  .testimonial-grid { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr 1fr; }

  .eyebrow {
  display: inline-block;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
}

/* ---------- max-width: 640px ---------- */
@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .project-meta { grid-template-columns: 1fr; gap: 20px; }
  .project-gallery { grid-template-columns: 1fr; }
}