/* ============================================================
   Responsive — desktop, laptop, tablet, mobile breakpoints
   ============================================================ */

/* Wide desktop ≥1280: extra hero padding */
@media (min-width: 1280px) {
  .gac-section,
  .features-v2,
  .pricing-page,
  .app-shell { padding-inline: 72px; }

  .gac-hero { padding-inline: 42px; }
  .gac-hero-copy { padding-top: clamp(68px, 6vw, 86px); }
}

/* Laptop ≤1180: tighten hero, allow art alongside */
@media (max-width: 1180px) {
  .gac-hero { padding-inline: 40px; min-height: auto; }
  .gac-hero-main { gap: 32px; }
  .gac-hero h1 { font-size: clamp(40px, 5vw, 58px); }
  .gac-example-card { min-height: 340px; }
  .gac-example-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .gac-direction-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gac-direction-card { min-height: 228px; }
  .gac-workflow-panel { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr); }
  .gac-workflow-export { grid-column: 1 / -1; min-height: 300px; }
  .gac-final-cta { grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr); }
  .features-v2 { padding-inline: 40px; }
  .features-v2-hero { gap: 40px; }
  .features-v2-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .landing-v2-template-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .pricing-page { padding-inline: 40px; }
  .app-shell {
    grid-template-columns: minmax(204px, 228px) minmax(0, 1fr);
    padding-inline: 24px;
  }
}

@media (max-width: 1020px) and (min-width: 821px) {
  .gac-hero {
    padding-block-start: 28px;
    padding-block-end: 24px;
  }
  .gac-hero-main {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    min-height: clamp(480px, 54vw, 530px);
    align-items: start;
  }
  .gac-hero-copy {
    grid-column: 1;
    grid-row: 1;
    max-width: min(540px, 58%);
    padding-top: 0;
    padding-right: 0;
  }
  .gac-hero h1 {
    max-width: 540px;
    font-size: clamp(38px, 4.8vw, 46px);
  }
  .gac-hero-art {
    --gac-hero-art-shift-x: 136px;
    --gac-hero-art-shift-y: 0px;
    grid-column: 1;
    grid-row: 1;
    width: min(100vw, 850px);
    justify-self: end;
    aspect-ratio: 16 / 9;
    max-height: 500px;
    margin-top: clamp(60px, 9vw, 86px);
  }
  .gac-prompt,
  .gac-connectors,
  .gac-export-row {
    width: min(100%, 720px);
    max-width: 720px;
  }
  .gac-prompt { margin-top: -42px; }
  .gac-connectors { height: 76px; }
  .gac-export-row { gap: 12px; }
}

@media (max-width: 1020px) {
  .app-shell {
    width: min(1440px, calc(100vw - 20px));
    grid-template-columns: 174px minmax(0, 1fr);
    gap: 14px;
    padding-inline: 0;
  }

  .sidebar {
    min-height: calc(100vh - 102px);
    padding: 8px;
  }

  .workspace { gap: 22px; }
  .creator-grid {
    grid-template-columns: minmax(0, 0.96fr) minmax(0, 1fr);
    gap: 16px;
  }
  .creator-panel,
  .result-panel { padding: 18px; }

  .gac-stat-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gac-stat-strip span {
    grid-template-columns: 32px minmax(0, max-content);
    min-height: 92px;
    padding: 14px 20px;
    border: 0;
  }

  .gac-stat-strip span::after {
    display: none;
  }

  .gac-stat-strip span:nth-child(odd)::after {
    display: block;
  }

  .gac-stat-strip span:nth-child(-n+2)::before {
    content: "";
    position: absolute;
    right: 7%;
    bottom: 0;
    left: 7%;
    height: 1px;
    background: linear-gradient(
      90deg,
      transparent,
      color-mix(in srgb, var(--gac-line-strong) 90%, var(--gac-lime) 8%) 50%,
      transparent
    );
    pointer-events: none;
  }
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
  }

  .topbar .brand {
    min-width: 0;
  }

  .topbar .brand > span:last-child {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .topbar .nav,
  .topbar .nav-actions .ghost {
    display: none;
  }

  .topbar .nav-actions {
    min-width: 0;
    gap: 8px;
  }

  .topbar .button.small {
    min-width: 136px;
    padding-inline: 16px;
  }
}

/* Tablet portrait ≤820: keep the reference hero composition instead of stacking */
@media (max-width: 820px) {
  .topbar {
    width: min(var(--gac-topbar), calc(100% - 16px));
    padding: 0 16px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .gac-hero {
    padding: 48px 24px 22px;
    min-height: auto;
  }
  .gac-hero-main {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    min-height: clamp(540px, 88vw, 700px);
    align-items: start;
  }
  .gac-hero-copy {
    grid-column: 1;
    grid-row: 1;
    max-width: min(590px, 78%);
    padding-right: 0;
    padding-top: 0;
  }
  .gac-hero h1 { font-size: clamp(34px, 6vw, 46px); }
  .gac-hero-art {
    --gac-hero-art-shift-x: 54px;
    --gac-hero-art-shift-y: 0px;
    grid-column: 1;
    grid-row: 1;
    width: min(118vw, 860px);
    aspect-ratio: 16 / 11;
    max-height: clamp(360px, 66vw, 540px);
    justify-self: end;
    margin-top: clamp(92px, 18vw, 145px);
    transform: translate3d(
      calc(var(--gac-hero-art-shift-x, 0px) + var(--landing-parallax-x, 0px)),
      calc(var(--gac-hero-art-shift-y, 0px) + var(--landing-parallax-y, 0px) + var(--landing-scroll-y, 0px)),
      0
    );
  }
  .gac-prompt,
  .gac-connectors,
  .gac-export-row {
    width: 100%;
    max-width: 100%;
  }
  .gac-prompt { margin-top: 16px; }
  .gac-connectors { height: 72px; }
  .gac-export-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .gac-export-card {
    min-height: 58px;
  }
  .gac-section { padding-inline: 24px; padding-block-start: 64px; }
  .gac-section-head {
    grid-template-columns: 1fr;
    gap: 12px;
    align-items: start;
  }
  .gac-section-head > span,
  .gac-section-head h2,
  .gac-section-head p {
    grid-column: 1;
    grid-row: auto;
  }
  .gac-section-head h2 { font-size: clamp(30px, 6.4vw, 40px); }
  .gac-example-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .gac-direction-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .gac-workflow-panel {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 18px;
  }
  .gac-workflow-copy {
    padding: 8px 4px 0;
  }
  .gac-workflow-steps {
    border-block: 1px solid color-mix(in srgb, var(--gac-line-strong) 70%, transparent);
  }
  .gac-workflow-export {
    grid-column: auto;
    min-height: 280px;
  }
  .gac-final-cta {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 56px;
    padding: 38px 28px;
  }
  .gac-final-preview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .gac-stat-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gac-stat-strip span { border: 0; }
  .gac-trust div { gap: 14px 26px; }

  /* Features */
  .features-v2 { padding: 56px 24px 64px; }
  .features-v2-hero {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 64px;
    min-height: auto;
  }
  .features-v2-proof-grid,
  .features-v2-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .landing-v2-template-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .landing-v2-section-head { grid-template-columns: 1fr; gap: 12px; align-items: start; }

  /* Pricing */
  .pricing-page { padding: 56px 24px 64px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* App shell */
  .app-shell {
    width: min(1440px, calc(100vw - 20px));
    grid-template-columns: 174px minmax(0, 1fr);
    gap: 14px;
    padding-inline: 0;
  }
  .sidebar {
    position: sticky;
    top: 82px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-height: calc(100vh - 102px);
    overflow: visible;
    padding: 8px;
    gap: 8px;
  }

  .sidebar-status {
    width: 100%;
    min-width: 0;
    padding: 7px 10px;
  }

  .sidebar-status-secondary {
    display: none;
  }

  .sidebar nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    flex: 1 1 auto;
    width: 100%;
    gap: 6px;
    margin: 0;
  }

  .sidebar a {
    justify-content: flex-start;
    min-height: 38px;
    padding: 0 10px;
    white-space: nowrap;
  }
  .workspace { gap: 22px; }
  .creator-grid { gap: 16px; }
  .creator-panel,
  .result-panel { padding: 18px; }
  .creator-grid { grid-template-columns: minmax(0, 0.96fr) minmax(0, 1fr); }
  .library-empty { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(1440px, calc(100vw - 12px));
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 10px;
  }

  .sidebar {
    overflow: visible;
    gap: 6px;
    padding: 7px;
  }

  .sidebar-status {
    justify-content: center;
    min-width: 0;
    gap: 0;
    padding: 6px 8px;
  }

  .sidebar-status-copy span,
  .sidebar-status-copy small {
    display: none;
  }

  .sidebar-status-copy strong {
    font-size: 14px;
  }

  .sidebar nav {
    flex: 1 1 auto;
    min-width: 0;
    justify-content: flex-start;
    overflow: visible;
    gap: 4px;
    padding: 3px;
  }

  .sidebar a {
    justify-content: center;
    min-height: 40px;
    padding: 0;
    gap: 0;
  }

  .sidebar a span,
  .sidebar-signout span {
    display: none;
  }

  .sidebar-signout {
    justify-content: center;
    width: 100%;
    min-width: 0;
    min-height: 40px;
    padding: 0;
    gap: 0;
  }

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

/* Mobile ≤640: single column, tight paddings, nav hidden */
@media (max-width: 640px) {
  .topbar {
    grid-template-columns: minmax(0, auto) auto;
    gap: 8px;
    padding-inline: 10px;
  }
  .topbar .brand {
    min-width: 0;
    gap: 8px;
  }
  .topbar .brand-mark {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
  }
  .topbar .brand-mark img {
    width: 28px;
  }
  .topbar .brand > span:last-child {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 13px;
  }
  .topbar .nav { display: none; }
  .topbar .nav-actions .ghost { display: none; }
  .topbar .nav-actions { gap: 6px; }
  .topbar .button.small {
    width: 40px;
    min-width: 40px;
    padding: 0;
    font-size: 0;
    gap: 0;
  }
  .topbar .button.small svg {
    width: 16px;
    height: 16px;
  }

  .sidebar-status {
    min-width: 0;
  }

  .sidebar-status-icon {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
  }

  .sidebar-status-copy span,
  .sidebar-status-copy small,
  .sidebar a span,
  .sidebar-signout span {
    display: none;
  }

  .sidebar-status-copy strong {
    font-size: 14px;
  }

  .sidebar a,
  .sidebar-signout {
    width: 100%;
    min-width: 0;
    padding: 0;
  }

  .sidebar a[aria-current="page"] {
    width: 100%;
    min-width: 0;
  }

  .gac-hero { padding: 36px 16px 16px; }
  .gac-hero-main { gap: 18px; }
  .gac-hero h1 { font-size: 30px; line-height: 1.06; }
  .gac-hero p { font-size: 15px; }
  .gac-primary-action,
  .gac-secondary-action { width: 100%; justify-content: center; }

  .gac-prompt {
    padding: 10px;
    border-radius: 16px;
  }
  .gac-prompt label {
    padding-inline: 10px;
  }
  .gac-prompt-field {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    height: 48px;
    padding: 4px 5px 4px 14px;
    border-radius: 13px;
  }
  .gac-prompt-icons { display: none; }
  .gac-prompt input {
    width: 100%;
    height: 36px;
    font-size: 12px;
  }
  .gac-prompt button {
    min-width: 104px;
    min-height: 40px;
    padding-inline: 14px;
  }
  .gac-connectors { height: 62px; }
  .gac-export-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .gac-export-card {
    grid-template-columns: 24px minmax(0, 1fr);
    min-height: 54px;
    padding: 10px 12px;
  }
  .gac-export-icon {
    width: 24px;
    height: 24px;
  }
  .gac-example-card { min-height: 360px; }
  .gac-example-grid { grid-template-columns: 1fr; }
  .gac-stat-strip { grid-template-columns: 1fr; }
  .gac-stat-strip span {
    min-height: 84px;
    border: 0;
    padding-block: 14px;
  }
  .gac-stat-strip span:nth-child(odd)::after { display: none; }
  .gac-stat-strip span::before {
    content: "";
    position: absolute;
    right: 10%;
    bottom: 0;
    left: 10%;
    height: 1px;
    background: linear-gradient(
      90deg,
      transparent,
      color-mix(in srgb, var(--gac-line-strong) 90%, var(--gac-lime) 8%) 50%,
      transparent
    );
    pointer-events: none;
  }
  .gac-stat-strip span:last-child::before { display: none; }
  .gac-stat-strip strong { font-size: clamp(26px, 8vw, 31px); }

  .gac-section { padding-inline: 16px; padding-block-start: 56px; }
  .gac-examples {
    margin-top: 20px;
    padding-block-end: 32px;
  }
  .gac-section-head {
    margin-bottom: 24px;
  }
  .gac-trust { margin-top: 36px; }
  .gac-trust > span {
    max-width: 100%;
    justify-self: center;
    line-height: 1.55;
    letter-spacing: 0.16em;
    overflow-wrap: anywhere;
  }
  .gac-trust div { gap: 12px 18px; }
  .gac-trust-monogram { width: 22px; height: 22px; font-size: 9.5px; }
  .gac-trust-mark strong { font-size: 12px; }
  .gac-example-card {
    min-height: auto;
    grid-template-rows: 22px auto auto auto 18px;
  }
  .gac-asset-crop {
    width: min(100%, 280px);
    justify-self: center;
  }
  .gac-direction-grid { grid-template-columns: 1fr; }
  .gac-direction-card {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: center;
    min-height: 0;
    gap: 14px;
  }
  .gac-direction-card .gac-generated-asset {
    width: 96px;
  }
  .gac-workflow-copy h3 {
    font-size: 26px;
  }
  .gac-workflow-steps div {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 4px 10px;
    padding-block: 15px;
  }
  .gac-workflow-steps strong {
    width: 30px;
    height: 30px;
  }
  .gac-workflow-export {
    min-height: 240px;
  }
  .gac-workflow-art {
    padding: 14px 14px 74px;
  }
  .gac-workflow-export ul {
    grid-template-columns: 1fr;
  }
  .gac-final-cta {
    padding: 32px 20px;
  }
  .gac-final-preview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* Features */
  .features-v2 { padding: 40px 16px 56px; }
  .features-v2-hero { margin-bottom: 48px; }
  .features-v2-proof-grid,
  .features-v2-card-grid,
  .landing-v2-template-grid { grid-template-columns: 1fr; }

  /* Pricing */
  .pricing-page { padding: 40px 16px 56px; }
  .pricing-proof { grid-template-columns: 1fr; }
  .pricing-hero h1 { font-size: clamp(28px, 7vw, 38px); }

  /* Auth */
  .auth-shell { padding: 24px 16px; }
  .auth-card { padding: 28px 22px; border-radius: 12px; }
  .auth-card h1 { font-size: 22px; }
}

/* Very small ≤380 */
@media (max-width: 380px) {
  .gac-hero h1 { font-size: 26px; }
  .button.small { padding: 0 12px; font-size: 11px; min-width: 0; }
  .topbar .button.small { min-width: 40px; padding: 0; font-size: 0; }
  .brand span { font-size: 13px; }
}