/* ========== RESET & BASE ========== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg-body: #f5f5f7;
  --bg-hero: #ffffff;
  --bg-section: #ffffff;
  --bg-accent: #0057a3;
  --bg-accent-light: #e6f0fb;
  --text-main: #1f2933;
  --text-muted: #6b7280;
  --border-light: #e5e7eb;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
  --max-width: 1100px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
}

/* ========== LAYOUT ========== */

main {
  padding: 2rem 1rem 4rem;
}

.section {
  background: var(--bg-section);
  margin: 0 auto 2rem;
  padding: 2.5rem 1.5rem;
  max-width: var(--max-width);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.section h2 {
  font-size: 1.6rem;
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.section p {
  margin-top: 0.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

/* ========== HERO & NAV ========== */
.hero {
  position: relative;
  min-height: 90vh;
  border-bottom: 1px solid var(--border-light);
  padding: 4rem 1rem 4rem;
  background-image: url("images/glowne2.png");
  background-size: cover;
  background-position: center 70%;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

/* przyciemnienie tła */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: left;
  padding: 2.5rem 2.25rem;
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.78); /* „szklana” karta */
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}

.hero h1 {
  font-size: 2.4rem;
  line-height: 1.2;
  margin: 0 0 0.75rem;
  color: #ffffff;
}

.hero-subtitle {
  margin: 0 0 1.6rem;
  color: #e5e7eb;
  font-size: 1rem;
  max-width: 520px;
}

.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  border: none;
  background: var(--bg-accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(0, 87, 163, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(0, 87, 163, 0.45);
  background: #004781;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 5px 15px rgba(0, 87, 163, 0.3);
}

/* ================= TOPBAR ================= */

.topbar {
  width: 100%;
  background: #6bcf63;
  color: white;
  font-size: 0.9rem;
  padding: 0.35rem 0;
  position: sticky;
  top: 0;
  z-index: 9999;
}

.topbar-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topbar-logo {
  height: 28px;
  width: auto;
}

.company-name {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.topbar-link {
  color: white;
  text-decoration: none;
  opacity: 0.9;
  transition: opacity 0.2s;
}

.topbar-link:hover {
  opacity: 1;
}

.topbar-button {
  background: white;
  color: #0076c7;
  padding: 0.35rem 0.8rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s;
}

.topbar-button:hover {
  background: #f0f9ff;
}

/* układ mobilny */
@media (max-width: 600px) {
  .topbar-content {
    flex-direction: column;
    gap: 0.4rem;
  }

  .topbar-right {
    justify-content: center;
    gap: 0.6rem;
    font-size: 0.85rem;
  }
}

/* NAV */

.main-nav {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1rem;
}

.main-nav a {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text-muted);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(6px);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.main-nav a:hover {
  background: #ffffff;
  border-color: var(--border-light);
  color: var(--bg-accent);
}

/* ========== SERVICES ========== */

.services-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.service-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 1.25rem 1.3rem;
  background: #ffffff;
}

.service-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.service-card p {
  margin: 0;
  font-size: 0.95rem;
}

/* ========== GALLERY ========== */

.gallery-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.gallery-item img {
  width: 100%;
  display: block;
  border-radius: 12px;
  margin-bottom: 0.75rem;
  object-fit: cover;
}

.img-placeholder {
  height: 170px;
  border-radius: 12px;
  border: 1px dashed var(--border-light);
  background: repeating-linear-gradient(
    135deg,
    #f3f4f6,
    #f3f4f6 10px,
    #e5e7eb 10px,
    #e5e7eb 20px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.gallery-item figcaption {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.note {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  font-style: italic;
}

/* ========== CALCULATOR ========== */

.calc-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  max-width: 420px;
}

.calc-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.calc-form input,
.calc-form select,
.calc-form textarea {
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  background: #f9fafb;
  transition: border-color 0.15s ease, background 0.15s ease,
    box-shadow 0.15s ease;
}

.calc-form input:focus,
.calc-form select:focus,
.calc-form textarea:focus {
  border-color: var(--bg-accent);
  background: #ffffff;
  box-shadow: 0 0 0 1px rgba(0, 87, 163, 0.08);
}

.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.calc-result {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: var(--bg-accent-light);
  color: var(--text-main);
  font-size: 0.95rem;
}

/* ========== CONTACT ========== */

.contact-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.6rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea {
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  font-size: 0.95rem;
  font-family: inherit;
  background: #f9fafb;
  transition: border-color 0.15s ease, background 0.15s ease,
    box-shadow 0.15s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--bg-accent);
  background: #ffffff;
  box-shadow: 0 0 0 1px rgba(0, 87, 163, 0.08);
}

.contact-info h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.contact-info p {
  margin: 0.2rem 0;
  font-size: 0.94rem;
}

.contact-info a {
  color: var(--bg-accent);
  text-decoration: none;
}

.contact-info a:hover {
  text-decoration: underline;
}

/* ========== FOOTER ========== */

.pro-footer {
  background: #0f172a; /* ciemne premium tło */
  color: #e5e7eb;
  padding: 4rem 1.5rem 2.5rem;
  margin-top: 4rem;
  border-top: 3px solid #5bbf47; /* zielona linia */
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}

.footer-col h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.45rem;
  font-size: 0.95rem;
  opacity: 0.9;
}

.footer-col a {
  color: #5bbf47; /* zielony akcent */
  text-decoration: none;
  font-weight: 500;
}

.footer-col a:hover {
  text-decoration: underline;
}

.footer-map {
  width: 100%;
  max-width: 180px;
  opacity: 0.7;
}

.footer-bottom {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.65;
}

/* ======= SCROLL ==== */
.scroll-btn {
  position: fixed;
  right: 1.5rem;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: none;
  background: #5bbf47; /* zielony PflasterPro */
  color: #ffffff;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.scroll-up {
  bottom: 4.3rem; /* wyżej */
}

.scroll-down {
  bottom: 1.5rem; /* bliżej krawędzi, niżej */
}

.scroll-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
  background: #4aa13a; /* ciemniejszy zielony przy hoverze */
}

/* ========== RESPONSIVE ========== */

@media (min-width: 640px) {
  .hero h1 {
    font-size: 2.3rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  main {
    padding: 3rem 1.5rem 4.5rem;
  }

  .hero {
    padding: 2.5rem 1.5rem 3rem;
  }

  .hero-inner {
    text-align: left;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero p {
    max-width: 520px;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .section {
    padding: 2.75rem 2.25rem;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: flex-start;
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}