/* ── Responsive ── */
@media (max-width: 1024px) {
  .domain-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-label {
    font-size: 0.78rem;
    margin-bottom: 14px;
    letter-spacing: 0.095em;
  }
  .hero-content h1 {
    font-size: clamp(2rem, 1.58rem + 2.05vw, 2.86rem);
    line-height: 1.1;
    max-width: 15.4ch;
  }
  .hero-content p {
    font-size: 1.01rem;
    line-height: 1.56;
    max-width: 38ch;
    margin-bottom: 22px;
  }
}

@media (max-width: 600px) {
  .logo-img { height: 44px; }
}

@media (max-width: 900px) {
  .view-btn[data-view="grid"] { display: none; }
  .view-toggle { gap: 0; }
  .view-btn[data-view="list"] {
    width: 40px;
    height: 36px;
    border-radius: 999px;
    color: var(--navy);
    border-color: var(--gray-300);
    background: var(--gray-50);
    cursor: default;
    pointer-events: none;
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .header-email { display: none; }
  .header-actions .btn-outline { display: none; }
  .hero {
    min-height: calc(100svh - 64px);
    display: flex;
    align-items: center;
    padding: 18px 0;
    box-sizing: border-box;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    align-content: center;
  }
  .hero-content {
    order: 1;
    text-align: left;
    align-items: flex-start;
    width: min(100%, 366px);
    margin: 0 auto;
  }
  .hero-content h1, .hero-content p { margin-left: 0; margin-right: 0; }
  .hero-label {
    font-size: 0.72rem;
    letter-spacing: 0.09em;
    margin-bottom: 10px;
  }
  .hero-content h1 {
    font-size: clamp(1.9rem, 1.62rem + 1.5vw, 2.24rem);
    line-height: 1.12;
    max-width: 13.6ch;
    margin-bottom: 12px;
  }
  .hero-content p {
    font-size: clamp(0.97rem, 0.93rem + 0.3vw, 1.03rem);
    line-height: 1.56;
    max-width: 34ch;
    margin-bottom: 18px;
  }
  .hero-visual {
    order: 2;
    gap: 14px;
    width: min(100%, 366px);
    margin: 10px auto 0;
    padding-left: 0;
    border-left: none;
    padding-top: 14px;
    border-top: 1px solid var(--gray-200);
    align-items: stretch;
  }
  .globe-wrap {
    display: flex;
    order: 1;
    width: 100%;
    max-width: 366px;
    height: 136px;
    aspect-ratio: auto;
    padding: 0;
    border-radius: 20px;
    animation: globeFloat 8s ease-in-out infinite;
  }
  .globe-wrap .globe-svg {
    width: 100%;
    height: 100%;
    transform: none;
    filter: drop-shadow(0 6px 14px rgba(37, 99, 235, 0.12));
  }
  .hero-features { width: 100%; gap: 8px; justify-content: stretch; max-width: 360px; }
  .hero-features { order: 2; }
  .hero-feature { flex: 1; }
  .feature-icon { width: 36px; height: 36px; border-radius: 10px; }
  .feature-icon svg { width: 17px; height: 17px; }
  .hero-feature span { font-size: 0.66rem; line-height: 1.22; }
  .portfolio-heading { gap: 14px; margin-bottom: 16px; }
  .portfolio-heading-main { gap: 10px; }
  .portfolio-mark { flex: 0 0 38px; width: 38px; height: 38px; font-size: 0.69rem; }
  .portfolio-kicker { font-size: 0.64rem; letter-spacing: 0.09em; }
  .portfolio-heading h2 { font-size: 1.2rem; margin-bottom: 4px; }
  .portfolio-heading p { font-size: 0.85rem; line-height: 1.52; }
  .portfolio-side-info { align-items: flex-start; gap: 5px; }
  .domain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .portfolio-group { padding: 26px 20px 20px; }
  .domain-list .domain-card {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 10px;
    padding: 16px;
    min-height: 162px;
  }
  .domain-list .domain-name {
    width: 100%;
    flex: none;
    min-height: 2.45em;
    overflow-wrap: anywhere;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .domain-list .domain-meta {
    width: 100%;
    flex: none;
    justify-content: space-between;
    min-height: 24px;
  }
  .domain-list .domain-contact {
    width: 100%;
    margin-top: 0;
    margin-left: 0;
    padding-top: 10px;
  }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .filters-bar { flex-direction: column; align-items: stretch; }
  .filter-select, .filter-sort { width: 100%; }
}

@media (max-width: 640px) {
  .domain-grid { grid-template-columns: 1fr; gap: 12px; }
  .domain-card { padding: 16px; min-height: 176px; }
  .domain-name { min-height: 0; }
}

@media (max-width: 480px) {
  .back-to-top { right: 16px; bottom: 16px; }
  .domain-grid { grid-template-columns: 1fr; }
  .portfolio-heading { flex-direction: column; gap: 10px; }
  .portfolio-heading-main { width: 100%; }
  .portfolio-side-info { flex-direction: row; align-items: center; }
  .portfolio-heading h2 { font-size: 1.2rem; }
  .hero { padding: 16px 0; }
  .hero-label {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    margin-bottom: 9px;
  }
  .hero-content h1 {
    font-size: clamp(1.8rem, 1.58rem + 1.25vw, 2.02rem);
    line-height: 1.12;
    margin-bottom: 10px;
    max-width: 13.2ch;
  }
  .hero-content p {
    font-size: 0.94rem;
    line-height: 1.52;
    margin-bottom: 14px;
    max-width: 32ch;
  }
  .globe-wrap {
    width: 100%;
    height: 120px;
    border-radius: 18px;
  }
  .globe-wrap .globe-svg {
    width: 100%;
    height: 100%;
    transform: none;
  }
  .hero-cta { align-items: stretch; justify-content: center; flex-direction: column; gap: 12px; width: min(100%, 360px); }
  .hero-cta .btn { width: 100%; text-align: center; }
  .hero-email-link { align-self: flex-start; }
  .hero-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; max-width: 330px; }
  .hero-feature { gap: 5px; }
  .feature-icon { width: 33px; height: 33px; border-radius: 8px; }
  .feature-icon svg { width: 15px; height: 15px; }
  .hero-feature span { font-size: 0.63rem; line-height: 1.22; }
  .domain-list .domain-card {
    min-height: 156px;
    gap: 9px;
  }
  .domain-list .domain-name {
    min-height: 2.35em;
    font-size: 1.02rem;
  }
}