/* ============================================
   Printefix — Style Sheet
   Clean, industrial, mobile-first
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f1114;
  --bg-card:   #181b20;
  --bg-alt:    #1a1d23;
  --accent:    #3b82f6;
  --accent-h:  #60a5fa;
  --text:      #e4e4e7;
  --text-dim:  #9ca3af;
  --border:    #2a2d34;
  --radius:    8px;
  --max-w:     1120px;
  --font:      'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-h); }

img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }

.container { width: 90%; max-width: var(--max-w); margin: 0 auto; }

/* --- Typography --- */
h1, h2, h3 { color: #fff; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: .5rem; }

/* --- Header / Nav --- FIXED VERSION --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,17,20,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 0;
}
.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}
.logo span { color: var(--accent); }

/* Navigation styles */
nav { display: flex; gap: 1.5rem; align-items: center; }
nav a { color: var(--text-dim); font-size: .9rem; font-weight: 500; }
nav a:hover, nav a.active { color: #fff; }

/* Support for both .header and .site-header classes */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,17,20,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 0;
}

/* Support for both .nav-brand and .logo */
.nav-brand {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}
.nav-brand span { color: var(--accent); }

/* Navigation links styles for both structures */
.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text-dim);
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 640px) {
  .menu-toggle { display: block; }
  nav, .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 1rem 5%;
    border-bottom: 1px solid var(--border);
    gap: .75rem;
  }
  nav.open, .nav-links.open { display: flex; }
}

/* --- Hero --- */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero p.subtitle {
  margin-top: 1rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-dim);
  line-height: 1.5;
}
.hero-actions { margin-top: 2rem; }
.cta-row {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: .75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .9rem;
  border: none;
  cursor: pointer;
  transition: all .3s;
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-h);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59,130,246,.4);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--bg-card);
  color: #fff;
  border-color: var(--accent);
}

/* --- Sections --- */
.main { min-height: 70vh; }
section { padding: 4rem 0; }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-title p { color: var(--text-dim); margin-top: 1rem; }

/* --- Grids --- */
.grid { display: grid; gap: 2rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform .3s;
}
.card:hover { transform: translateY(-5px); }
.card h3 { margin-bottom: 1rem; color: #fff; }
.card p { color: var(--text-dim); line-height: 1.6; }

/* --- Process Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: transform .3s;
}
.step:hover { transform: translateY(-3px); }
.step .step-num {
  background: var(--accent);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 1rem;
}
.step h3 { margin-bottom: .75rem; }
.step p { color: var(--text-dim); font-size: .9rem; }

/* --- Audience (Dla kogo) --- */
.audience {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: transform .3s;
}
.audience-card:hover { transform: translateY(-3px); }
.audience-card .icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.audience-card h3 { margin-bottom: .75rem; }
.audience-card p { color: var(--text-dim); font-size: .9rem; }

/* --- Cases (homepage previews) --- */
.cases { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
  gap: 2rem; 
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s;
}

.case-card:hover { 
  transform: translateY(-5px); 
}

.case-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
}

.case-images > div {
  position: relative;
  overflow: hidden;
}

.case-images img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transition: transform .3s;
}

.case-images img:hover {
  transform: scale(1.05);
}

.case-images .label {
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-body {
  padding: 1.5rem;
}

.case-body h3 {
  margin-bottom: 0.75rem;
  color: #fff;
}

.case-body p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.case-body a {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: color .2s;
}

.case-body a:hover {
  color: var(--accent-h);
}

/* --- Gallery --- */
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.gallery-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s;
}
.gallery-item:hover { transform: translateY(-5px); }
.gallery-item img { width: 100%; height: 200px; object-fit: cover; }
.gallery-item .content { padding: 1.5rem; }
.gallery-item h3 { margin-bottom: .75rem; }
.gallery-item p { color: var(--text-dim); font-size: .9rem; line-height: 1.5; }

/* --- Testimonials --- */
.testimonials { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.testimonial {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.testimonial blockquote {
  font-style: italic;
  color: var(--text);
  font-size: .95rem;
  line-height: 1.5;
  margin-bottom: .75rem;
}
.testimonial cite {
  color: var(--text-dim);
  font-size: .85rem;
  font-style: normal;
  font-weight: 600;
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  margin: 3rem auto;
  max-width: 720px;
}
.cta-banner p { color: var(--text-dim); margin: .75rem 0 1.5rem; }

.cta-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 2.5rem;
}
.cta-feature {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  border: 1px solid var(--border);
}

/* --- Footer --- FIXED VERSION --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  color: var(--text-dim);
  font-size: .85rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: #fff;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-section p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--accent);
}

.footer-section a:hover {
  color: var(--accent-h);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Support for both .footer and .site-footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  color: var(--text-dim);
  font-size: .85rem;
  margin-top: 4rem;
}

/* --- Case Study Detail (realizacje.html) --- */
.case-detail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 3rem;
}
.case-detail-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.case-detail-images > div {
  position: relative;
  overflow: hidden;
}
.case-detail-images img {
  width: 100%;
  height: auto;
  display: block;
}
.case-detail-images .label {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.case-detail-body { padding: 2rem; }
.case-detail-body h3 { margin-bottom: 1.5rem; }
.case-detail-body dl { display: grid; grid-template-columns: auto 1fr; gap: .5rem 1rem; margin-bottom: 1.5rem; }
.case-detail-body dt {
  font-weight: 600;
  color: var(--accent);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.case-detail-body dd { color: var(--text-dim); margin-bottom: .5rem; }

/* --- Contact form --- LEGACY SUPPORT --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .4rem;
  color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group input[type="file"] {
  width: 100%;
  padding: .65rem .85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: .9rem;
  transition: border-color .2s, background .2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-alt);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.contact-info h3 { margin-bottom: 1.5rem; }
.contact-info-item { margin-bottom: 1.25rem; }
.contact-info-item .label-sm {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent);
  margin-bottom: .3rem;
}
.contact-info-item p { font-size: 1rem; }

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
  .hero { padding: 3rem 0; }
  .cases, .steps, .audience { grid-template-columns: 1fr; gap: 1.5rem; }
  .case-images img { height: 120px; }
  .case-body { padding: 1.25rem; }
  .gallery { grid-template-columns: 1fr; }
  .case-detail-images { grid-template-columns: 1fr; }
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container { width: 95%; }
  .card, .step, .audience-card { padding: 1.5rem; }
  .cta-banner { padding: 2rem 1rem; }
}