/* ===== Responsive · breakpoints ===== */

/* ----- 1100px and below ----- */
@media (max-width: 1100px){
  :root{
    --gutter:40px;
    --s-9:72px;
    --s-10:96px;
  }
  .topics-grid{grid-template-columns:repeat(3, minmax(0, 1fr))}
  .bg-timeline{grid-template-columns:repeat(2, minmax(0, 1fr));row-gap:var(--s-6)}
  .stats-strip{grid-template-columns:repeat(2, minmax(0, 1fr));row-gap:var(--s-6)}
  .press-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .talk-row{grid-template-columns:48px 1fr 200px 96px;gap:var(--s-4)}
}

/* ----- Tablet ----- */
@media (max-width: 860px){
  :root{
    --gutter:28px;
    --s-9:64px;
    --s-10:80px;
  }
  .util-row{height:56px}
  .util-end{gap:12px}
  .util-end .btn-primary{padding:9px 14px;font-size:12px}

  .hero-grid{
    grid-template-columns:1fr;
    gap:var(--s-7);
  }
  .hero-portrait{
    max-width:300px;
    margin:0 auto;
    order:-1;
  }
  .hero-portrait::after{display:none}
  .hero-portrait .corner{display:none}
  .hero-portrait::before{inset:-8px}

  .bio-grid{grid-template-columns:1fr;gap:var(--s-6)}
  .topics-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .talks-year{grid-template-columns:1fr;gap:var(--s-3)}
  .talks-year-label{font-size:24px}
  .talk-row{
    grid-template-columns:48px 1fr;
    grid-template-areas:
      "mo title"
      "mo venue"
      "mo loc";
    gap:6px var(--s-4);
    padding:var(--s-3) 0;
  }
  .talk-mo{grid-area:mo}
  .talk-title{grid-area:title}
  .talk-venue{grid-area:venue}
  .talk-loc{grid-area:loc;text-align:left}

  .book-grid{grid-template-columns:1fr;gap:var(--s-5)}
  .field-row{grid-template-columns:1fr}

  .foot-row{flex-direction:column;align-items:flex-start;gap:var(--s-4)}
}

/* ----- Mobile ----- */
@media (max-width: 540px){
  :root{
    --gutter:20px;
    --s-9:48px;
    --s-10:64px;
  }
  .util-brand .role{display:none}
  .util-brand .divider{display:none}
  .util-back{display:none}
  .hero-name{font-size:48px;line-height:0.95}
  .hero-role{font-size:18px}
  .hero-tagline{font-size:15px}
  .hero-chips{gap:6px}
  .hero-chips .pill{padding:5px 10px;font-size:10px}
  .hero-ctas{flex-direction:column;align-items:flex-start;gap:14px}
  .hero-ctas .btn-link{padding:8px 0}

  .topics-grid{grid-template-columns:1fr;gap:var(--s-3)}
  .press-grid{grid-template-columns:1fr;gap:var(--s-3)}
  .stats-strip{grid-template-columns:1fr;row-gap:var(--s-5)}
  .stat-num{font-size:48px}
  .bring{grid-template-columns:1fr}
  .book-row{grid-template-columns:1fr;gap:6px}

  .section-title{font-size:26px}
  .signature{font-size:18px}
}