/* ==========================================================================
   Pracownia COR – reset & variables
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--color-text-body);
  background: var(--color-bg-light);
  line-height: 1.6;
  -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 { font-family: 'Poppins', sans-serif; margin: 0 0 .5em; color: var(--color-graphite); line-height: 1.25; }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }

:root {
  --color-graphite: #1b1e23;
  --color-graphite-alt: #262b33;
  --color-graphite-soft: #3a4149;
  --color-accent: #ff7a1a;
  --color-accent-dark: #e6650a;
  --color-yellow: #ffc22e;
  --color-text-body: #3a4149;
  --color-text-muted: #6b7280;
  --color-bg-light: #f5f6f8;
  --color-white: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(15, 17, 21, .06);
  --shadow-md: 0 10px 30px rgba(15, 17, 21, .12);
  --shadow-lg: 0 20px 50px rgba(15, 17, 21, .18);
  --container-width: 1180px;
  --transition: .25s ease;
}

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

.hidden { display: none !important; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(255, 122, 26, .35);
}
.btn-accent:hover { background: var(--color-accent-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.35);
  color: var(--color-white);
}
.btn-outline:hover { border-color: var(--color-white); transform: translateY(-2px); }
.btn-lg { padding: 15px 30px; font-size: 1.02rem; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(27, 30, 35, .92);
  backdrop-filter: blur(8px);
  transition: box-shadow var(--transition);
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-white);
}
.logo i { color: var(--color-accent); font-size: 1.4rem; }
.logo strong { color: var(--color-accent); font-weight: 700; }

.main-nav ul { display: flex; gap: 32px; }
.main-nav a {
  color: #d4d8de;
  font-weight: 500;
  font-size: .95rem;
  transition: color var(--transition);
}
.main-nav a:hover { color: var(--color-accent); }

.header-actions { display: flex; align-items: center; gap: 20px; }
.phone-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-white);
  font-weight: 600;
  transition: color var(--transition);
}
.phone-link i { color: var(--color-accent); }
.phone-link:hover { color: var(--color-accent); }
.header-cta { padding: 10px 20px; font-size: .9rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(255,122,26,.18), transparent 45%),
    linear-gradient(160deg, var(--color-graphite) 0%, var(--color-graphite-alt) 100%);
  padding: 90px 0 100px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 40px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-yellow);
  font-weight: 600;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 18px;
}
.hero h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 700;
  margin-bottom: 20px;
}
.hero-subtitle {
  color: #c3c9d1;
  font-size: 1.08rem;
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-cta-row { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 30px; }
.hero-trust-list { display: flex; flex-wrap: wrap; gap: 22px; }
.hero-trust-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #c3c9d1;
  font-size: .9rem;
  font-weight: 500;
}
.hero-trust-list i { color: var(--color-accent); }

.hero-visual {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sign-card {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: var(--color-graphite-soft);
  box-shadow: var(--shadow-lg);
  color: var(--color-accent);
}
.sign-card-1 { width: 190px; height: 190px; font-size: 4rem; top: 10%; left: 8%; background: linear-gradient(150deg, #ffb15a, var(--color-accent)); color: var(--color-graphite); }
.sign-card-2 { width: 140px; height: 140px; font-size: 3rem; bottom: 8%; right: 4%; }
.sign-card-3 { width: 110px; height: 110px; font-size: 2.4rem; bottom: 30%; left: 34%; background: var(--color-yellow); color: var(--color-graphite); }

/* ==========================================================================
   Shared section styling
   ========================================================================== */
section { padding: 90px 0; }
.section-lead {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin-bottom: 46px;
}
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }

/* Dlaczego my */
.why-us { background: var(--color-white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.why-card {
  padding: 34px 26px;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  border: 1px solid #eceef1;
  transition: transform var(--transition), box-shadow var(--transition);
}
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.why-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-sm);
  background: linear-gradient(150deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(255,122,26,.3);
}
.why-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.why-card p { color: var(--color-text-muted); font-size: .95rem; margin: 0; }

/* Oferta */
.offer { background: var(--color-bg-light); }
.offer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.offer-card {
  padding: 22px 22px 28px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.offer-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.offer-img-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 18px;
  aspect-ratio: 400 / 250;
}
.offer-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.offer-card:hover .offer-img-wrap img { transform: scale(1.08); }
.offer-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.offer-card p { color: var(--color-text-muted); font-size: .93rem; margin: 0; }

/* Jak działamy */
.how-we-work { background: var(--color-white); }
.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.video-wrapper {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
  background: var(--color-graphite);
}
.promo-video { width: 100%; height: 100%; object-fit: cover; display: block; }
.how-content .section-lead { margin-bottom: 34px; }
.how-steps { display: flex; flex-direction: column; gap: 22px; }
.how-steps li { display: flex; gap: 16px; align-items: flex-start; }
.how-step-num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
}
.how-steps h3 { font-size: 1rem; margin-bottom: 4px; }
.how-steps p { color: var(--color-text-muted); font-size: .92rem; margin: 0; }

/* Statystyki */
.stats { background: var(--color-graphite); }
.stats h2, .stats .section-lead { color: var(--color-white); }
.stats .section-lead { color: #c3c9d1; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.stat-tile {
  padding: 34px 20px;
  background: var(--color-graphite-alt);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  text-align: center;
}
.stat-number {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: clamp(2.1rem, 4vw, 2.8rem);
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 10px;
}
.stat-label {
  display: block;
  color: #c3c9d1;
  font-size: .92rem;
  font-weight: 500;
}

/* Przykładowe projekty */
.sample-project { background: var(--color-white); }
.sample-project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.sample-project-thumb {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid #e4e6ea;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: none;
  cursor: zoom-in;
  transition: box-shadow var(--transition), transform var(--transition);
}
.sample-project-thumb:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.sample-project-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; aspect-ratio: 4 / 3; }
.sample-project-zoom-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(27, 30, 35, .82);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
}
.sample-project-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 12px;
  background: linear-gradient(0deg, rgba(27,30,35,.85) 0%, rgba(27,30,35,0) 100%);
  color: var(--color-white);
  font-size: .82rem;
  font-weight: 500;
  text-align: left;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(15, 17, 21, .92);
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.lightbox.is-open { display: flex; }
.lightbox-figure { margin: 0; display: flex; flex-direction: column; align-items: center; max-width: 100%; max-height: 100%; }
.lightbox img {
  max-width: 100%;
  max-height: 82vh;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}
.lightbox-figure figcaption {
  margin-top: 14px;
  color: var(--color-white);
  font-size: .95rem;
  font-weight: 500;
  text-align: center;
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.12);
  color: var(--color-white);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,.22); }

/* Obszar działania */
.coverage {
  background: var(--color-graphite);
}
.coverage h2, .coverage .section-lead { color: var(--color-white); }
.coverage .section-lead { max-width: 780px; color: #c3c9d1; }
.city-chips { display: flex; flex-wrap: wrap; gap: 12px; }
.city-chips li {
  background: var(--color-graphite-alt);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 999px;
  font-weight: 500;
  font-size: .92rem;
  overflow: hidden;
}
.city-chips li a {
  display: block;
  padding: 10px 20px;
  color: var(--color-white);
  transition: background var(--transition), color var(--transition);
}
.city-chips li a:hover { background: var(--color-accent); color: var(--color-graphite); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { background: var(--color-bg-light); }
.faq-list {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--color-white);
  border: 1px solid #eceef1;
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-graphite);
}
.faq-question i {
  flex-shrink: 0;
  color: var(--color-accent);
  transition: transform var(--transition);
}
.faq-item.is-open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
}
.faq-item.is-open .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 20px;
  color: var(--color-text-muted);
  font-size: .95rem;
  margin: 0;
}

/* ==========================================================================
   Form section
   ========================================================================== */
.quote-form { background: var(--color-white); }
.form-wrapper {
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.fs-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-bottom: 24px;
  font-size: .95rem;
}
.fs-alert-success { background: #e5f7ec; color: #1e7a45; border: 1px solid #b7e6c7; }
.fs-alert-error { background: #fdecec; color: #b3261e; border: 1px solid #f5c2c0; }

.quote-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field-full { grid-column: 1 / -1; }

.form-field label, .form-field legend {
  font-weight: 600;
  font-size: .9rem;
  color: var(--color-graphite);
  padding: 0;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field select,
.form-field textarea {
  padding: 12px 14px;
  border: 1px solid #d9dce1;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .95rem;
  background: var(--color-white);
  color: var(--color-text-body);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255,122,26,.15);
}
.form-field textarea { resize: vertical; min-height: 120px; }

fieldset.form-field {
  border: none;
  padding: 0;
  margin: 0;
}
.radio-row { display: flex; flex-wrap: wrap; gap: 22px; }
.radio-label, .checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: .92rem;
  color: var(--color-text-body);
  cursor: pointer;
}
.checkbox-label { align-items: flex-start; line-height: 1.4; }
.checkbox-label input { margin-top: 3px; }
.radio-label input, .checkbox-label input { accent-color: var(--color-accent); width: 17px; height: 17px; }

.error-text {
  color: #d1332b;
  font-size: .8rem;
  min-height: 1em;
}

.form-submit-row { margin-top: 6px; }
.form-submit-row .btn { width: 100%; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--color-graphite); color: #c3c9d1; padding-top: 70px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo { margin-bottom: 14px; }
.footer-col h3 { color: var(--color-white); font-size: 1.05rem; margin-bottom: 16px; }
.footer-col p { color: #a2a9b3; font-size: .92rem; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: .92rem; }
.footer-contact i { color: var(--color-accent); width: 16px; }
.footer-contact a { transition: color var(--transition); }
.footer-contact a:hover { color: var(--color-accent); }
.footer-col p a { text-decoration: underline; text-decoration-color: rgba(255,255,255,.25); transition: color var(--transition); }
.footer-col p a:hover { color: var(--color-accent); text-decoration-color: var(--color-accent); }

.footer-bottom { padding: 22px 0; }
.footer-bottom p { margin: 0; font-size: .85rem; color: #7f8794; text-align: center; }

/* ==========================================================================
   Mobile call FAB
   ========================================================================== */
.mobile-call-fab {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 10px 24px rgba(255,122,26,.45);
  z-index: 900;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 991px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { height: 260px; order: -1; }
  .why-grid, .offer-grid, .stats-grid, .sample-project-grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: 1fr; gap: 34px; }
  .video-wrapper { aspect-ratio: 16 / 9; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  section { padding: 60px 0; }
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-graphite);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.is-open { max-height: 320px; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 10px 24px 20px; }
  .main-nav a { display: block; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .why-grid, .offer-grid, .stats-grid, .sample-project-grid { grid-template-columns: 1fr; }
  .quote-form-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .form-wrapper { padding: 26px; }
  .mobile-call-fab { display: flex; }
  .hero { padding: 60px 0 70px; }

  .cookie-banner-inner { flex-direction: column; align-items: stretch; text-align: center; }
  .cookie-banner-actions { justify-content: center; }
}

/* ==========================================================================
   Cookie banner
   ========================================================================== */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: var(--color-graphite);
  border-top: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  transition: transform var(--transition);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
}
.cookie-banner p {
  margin: 0;
  color: #c3c9d1;
  font-size: .9rem;
  line-height: 1.5;
}
.cookie-banner a { color: var(--color-white); text-decoration: underline; }
.cookie-banner a:hover { color: var(--color-accent); }
.cookie-banner-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}