/* ============================================================
   Responsive — Mobile-first media queries
   ============================================================ */

/* ── Tablet (do 1024px) ────────────────────────────── */

@media (max-width: 1024px) {
  :root {
    --fs-4xl: 2.5rem;
    --fs-3xl: 2rem;
    --fs-2xl: 1.75rem;
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* ── Mobile (do 768px) ─────────────────────────────── */

@media (max-width: 768px) {
  :root {
    --fs-4xl: 2rem;
    --fs-3xl: 1.75rem;
    --fs-2xl: 1.5rem;
    --container-padding: var(--space-md);
    --nav-height: 64px;
  }

  /* Nawigacja mobile */
  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  /* Gridy */
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

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

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-3xl));
    padding-bottom: var(--space-3xl);
  }

  /* Ukryj tła (dymki i siatkę) na mobile — za mało miejsca */
  .chat-bubbles,
  .skill-grid {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
  }

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

  /* Sekcje */
  .section {
    padding: var(--space-3xl) 0;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  /* Contact popup — mobile: na dole ekranu */
  .contact-fab {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .contact-popup {
    top: auto;
    left: 12px;
    right: 12px;
    bottom: 80px;
    width: auto;
    max-height: calc(100vh - 100px);
    transform: translateY(20px) scale(0.95);
    transform-origin: bottom right;
  }

  .contact-popup--visible {
    transform: translateY(0) scale(1);
  }

  .contact-popup__to {
    display: none;
  }

  .contact-popup__row {
    flex-direction: column;
  }

  .contact-popup__field textarea {
    min-height: 90px;
  }

  .contact-popup__footer {
    flex-direction: column;
    gap: var(--space-md);
  }

  .contact-popup__submit {
    width: 100%;
  }
}

/* ── Małe ekrany (do 480px) ────────────────────────── */

@media (max-width: 480px) {
  :root {
    --fs-4xl: 1.75rem;
    --fs-2xl: 1.375rem;
    --container-padding: var(--space-md);
  }

  .service-card {
    padding: var(--space-lg);
  }

  .contact-item {
    flex-direction: column;
    text-align: center;
    padding: var(--space-lg);
  }
}