/* MOBILE-ONLY overrides — desktop untouched */
@media (max-width: 768px) {
  /* Header compact */
  .site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: auto;
    padding: 8px 16px;
    flex-wrap: nowrap;
    white-space: nowrap;
  }
  .site-header .brand {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  .site-header .nav a {
    font-size: 14px;
    margin-left: 12px;
  }

  /* Process section stacks vertically */
  #process [style*="display:grid"] {
    display: flex !important;
    flex-direction: column !important;
    margin-bottom: 56px !important;
  }
  #process img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto 14px !important;
  }
  #process h2 {
    font-size: 34px !important;
    margin-bottom: 36px !important;
  }
  #process h3 {
    font-size: 20px !important;
    margin: 16px 0 8px !important;
    text-align: center !important;
  }
  #process p {
    font-size: 16px !important;
    line-height: 1.7 !important;
    text-align: center !important;
  }

  /* Vision section */
  #vision [style*="display:grid"] {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
  }
  #vision h2 {
    text-align: center !important;
  }
  #vision h3 {
    font-size: 20px !important;
    text-align: center !important;
  }
  #vision p {
    font-size: 16px !important;
    line-height: 1.7 !important;
    text-align: center !important;
  }
  #vision img {
    width: 100% !important;
    max-width: 420px !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto !important;
  }

  /* Competitiveness section */
  #competitiveness .container > div[style*="display:grid"] {
    display: flex !important;
    flex-direction: column !important;
    gap: 32px !important;
    margin-bottom: 60px !important;
  }
  #competitiveness h2 {
    font-size: 36px !important;
    text-align: center !important;
  }
  #competitiveness h3 {
    font-size: 24px !important;
    text-align: center !important;
    margin-bottom: 14px !important;
  }
  #competitiveness p {
    font-size: 17px !important;
    line-height: 1.8 !important;
    text-align: center !important;
  }
  #competitiveness img {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto 24px !important;
    max-width: 640px !important;
    border-radius: 6px;
  }

  /* Groupbuy section - remove line breaks */
  #groupbuy p br {
    display: none;
  }
  #groupbuy h2 {
    font-size: 36px !important;
  }
  #groupbuy p {
    font-size: 17px !important;
    line-height: 1.8 !important;
  }

  /* Generic spacing */
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .section {
    padding: 64px 0 !important;
  }
}

/* Extra small phones */
@media (max-width: 420px) {
  .site-header .brand {
    font-size: 13px;
  }
  .site-header .nav a {
    font-size: 13px;
    margin-left: 10px;
  }
  #process h2,
  #vision h2,
  #competitiveness h2,
  #groupbuy h2 {
    font-size: 30px !important;
  }
}