/* ==========================================================================
   10-RESPONSIVE — Media Queries per Breakpoint
   ========================================================================== */

/* ---- Tablet: <= 900px ---- */
@media (max-width: 900px) {
  .about__card {
    grid-template-columns: 1fr;
  }

  .about__photo {
    max-width: 220px;
    margin-inline: auto;
    aspect-ratio: 1 / 1;
  }

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

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

/* ---- Mobile: <= 640px ---- */
@media (max-width: 640px) {
  :root {
    --container-padding: 1.25rem;
    --space-2xl: 3.5rem;
    --space-xl: 2.5rem;
  }

  .header__nav-list,
  .header__cta {
    display: none;
  }

  .header__toggle {
    display: flex;
  }

  .header.is-nav-open .header__nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-sm) var(--container-padding) var(--space-md);
    box-shadow: 0 8px 20px var(--shadow-blue-soft);
  }

  .header.is-nav-open .header__nav-list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
  }

  .header.is-nav-open .header__cta {
    display: inline-flex;
    width: 100%;
    text-align: center;
    justify-content: center;
  }

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

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

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

  .journey__quote,
  .journey__text,
  .journey__cta {
    padding-left: 0;
    border-left: none;
  }

  .journey__quote {
    font-size: var(--fs-md);
  }

  .contact__card {
    padding: var(--space-md);
  }
}