/* =============================================================
   Defcin E-Ticaret — responsive.css
   Mobil & Tablet Uyumluluk
   ============================================================= */

/* --- Breakpoint Rehberi ---
   xs:  < 480px  (küçük mobil)
   sm:  < 640px  (mobil)
   md:  < 768px  (tablet portre)
   lg:  < 1024px (tablet yatay / küçük masaüstü)
   xl:  < 1280px (masaüstü)
--------------------------------------- */

/* ==========================================
   TABLET — max 1024px
   ========================================== */
@media (max-width: 1024px) {
  :root {
    --section-py: 4rem;
    --container-max: 900px;
  }

  .navbar__nav {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

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

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: var(--fs-2xl);
  }
}

/* ==========================================
   TABLET PORTRE — max 768px
   ========================================== */
@media (max-width: 768px) {
  :root {
    --section-py: 3rem;
    --header-h: 68px;
  }

  .container {
    padding-inline: 1.25rem;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .section-title {
    font-size: var(--fs-xl);
  }

  .section-desc {
    font-size: var(--fs-base);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__brand-desc {
    max-width: 100%;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .sticky-cta {
    display: flex;
  }

  /* Form alanlari tam genislik */
  .form-group {
    grid-column: 1 / -1 !important;
  }
}

/* ==========================================
   MOBİL — max 480px
   ========================================== */
@media (max-width: 480px) {
  :root {
    --section-py: 2.5rem;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .section-title {
    font-size: var(--fs-lg);
  }

  .section-label {
    font-size: 0.65rem;
  }
}

/* ==========================================
   GENIŞ EKRAN — min 1400px
   ========================================== */
@media (min-width: 1400px) {
  :root {
    --section-py: 7rem;
  }

  .section-title {
    font-size: var(--fs-4xl);
  }
}