/* Portfolio-wide responsive guardrails.
 * Loaded last so mobile rules win over the editorial design layers.
 */

html,
body {
  max-width: 100%;
  overflow-x: clip;
}

img,
picture,
video,
canvas,
svg,
iframe {
  max-width: 100%;
}

img,
picture,
video,
canvas,
svg {
  height: auto;
}

iframe {
  width: 100%;
  border: 0;
}

pre,
code {
  max-width: 100%;
  overflow-wrap: anywhere;
}

pre {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.shell,
.hero-grid > *,
.project-grid > *,
.about-identity > *,
.profile-overview > *,
.timeline article > *,
.case-grid > *,
.leadership-highlights > *,
.capability-preview-grid > *,
.exploration-grid > *,
.education-grid > *,
.evidence-grid > *,
.leadership-grid > *,
.impact-story-grid > * {
  min-width: 0;
}

.project-info h3,
.project-info > span,
.timeline h3,
.timeline p,
.case-grid h2,
.case-grid p,
.detail-hero h1,
.detail-hero p,
.section-head h2,
.about-system-head h2,
.leadership-preview h2,
.availability h2,
.footer h2 {
  overflow-wrap: anywhere;
}

.mobile-nav {
  display: none;
}

@media (max-width: 900px) {
  .shell {
    width: min(100% - 40px, 1320px) !important;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 36px !important;
  }

  .hero-aside {
    max-width: 680px;
  }

  .hero-proof-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .about-identity {
    grid-template-columns: minmax(260px, 340px) minmax(0, 1fr) !important;
    gap: 42px !important;
  }

  .project-grid,
  .leadership-highlights,
  .capability-preview-grid,
  .exploration-grid,
  .education-grid,
  .evidence-grid,
  .impact-story-grid {
    gap: 28px !important;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 82px;
  }

  body {
    font-size: 16px;
  }

  .shell {
    width: calc(100% - 28px) !important;
  }

  .nav.shell {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100% !important;
    height: 68px !important;
    min-height: 68px !important;
    padding: 0 14px !important;
    background: rgba(255, 255, 255, 0.98) !important;
    border-bottom: 1px solid rgba(18, 20, 23, 0.1) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }

  .wordmark {
    flex: 0 0 auto;
    font-size: 27px !important;
    letter-spacing: -2px !important;
  }

  .nav-links {
    display: none !important;
  }

  .mobile-nav {
    position: relative;
    display: block;
    margin-left: auto;
  }

  .mobile-nav > summary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 76px;
    min-height: 42px;
    padding: 10px 14px;
    border: 1px solid rgba(18, 20, 23, 0.13);
    border-radius: 999px;
    background: #fff;
    color: var(--ink);
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    list-style: none;
    user-select: none;
  }

  .mobile-nav > summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav > summary::after {
    margin-left: 7px;
    content: "↓";
    transition: transform 0.18s ease;
  }

  .mobile-nav[open] > summary::after {
    transform: rotate(180deg);
  }

  .mobile-nav-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 1100;
    display: grid;
    width: min(86vw, 320px);
    padding: 10px;
    border: 1px solid rgba(18, 20, 23, 0.1);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 22px 55px rgba(18, 20, 23, 0.15);
  }

  .mobile-nav-panel a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 46px;
    padding: 10px 12px;
    border-radius: 11px;
    font-size: 14px;
    font-weight: 700;
  }

  .mobile-nav-panel a + a {
    border-top: 1px solid rgba(18, 20, 23, 0.07);
  }

  .mobile-nav-panel .mobile-resume {
    margin-top: 8px;
    background: var(--ink);
    color: #fff;
  }

  .hero {
    padding-top: 42px !important;
  }

  .hero::before {
    position: static !important;
    display: block;
    max-width: none !important;
    margin-bottom: 22px;
    font-size: 8px !important;
    line-height: 1.5 !important;
  }

  .hero-kicker {
    width: fit-content;
    margin: 0 0 38px !important;
    padding: 8px 11px !important;
    font-size: 9px !important;
  }

  .hero h1 {
    max-width: 100% !important;
    font-size: clamp(44px, 13.2vw, 64px) !important;
    line-height: 0.91 !important;
    letter-spacing: -0.065em !important;
  }

  .hero-aside {
    padding-bottom: 0 !important;
  }

  .hero-aside > p {
    padding-top: 14px !important;
    font-size: 15px !important;
    line-height: 1.7 !important;
  }

  .hero-actions {
    flex-wrap: wrap;
    gap: 14px 20px !important;
  }

  .hero-proof-strip {
    grid-template-columns: minmax(0, 1fr) !important;
    margin-top: 34px !important;
    padding-block: 12px !important;
  }

  .hero-proof-strip article,
  .hero-proof-strip article:first-child {
    min-height: 0 !important;
    padding: 10px 0 !important;
    border-left: 0 !important;
    border-bottom: 1px solid var(--atelier-hairline);
  }

  .hero-proof-strip article:last-child {
    border-bottom: 0;
  }

  .profile-overview {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 28px !important;
    min-height: 0 !important;
    margin-top: 30px !important;
    padding: 34px 22px !important;
  }

  .profile-overview-heading h2 {
    font-size: clamp(43px, 13vw, 62px) !important;
    line-height: 0.9 !important;
  }

  .profile-overview-copy {
    padding: 23px 0 0 !important;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 0 !important;
  }

  .profile-overview-copy > p,
  .profile-overview-copy > p + p {
    font-size: 15px !important;
    line-height: 1.7 !important;
  }

  .data-stage {
    height: 340px !important;
    margin-top: 30px !important;
  }

  .stage-topline {
    right: 14px !important;
    left: 14px !important;
    gap: 12px;
  }

  .stage-copy {
    left: 20px !important;
    width: 72% !important;
  }

  .stage-copy strong {
    font-size: clamp(42px, 12vw, 60px) !important;
    line-height: 0.84 !important;
  }

  .stage-constellation {
    inset: 25% -45% 18% 60% !important;
    opacity: 0.72;
  }

  .stage-note {
    right: 16px !important;
    bottom: 18px !important;
    max-width: 46%;
    font-size: 8px !important;
  }

  .section {
    padding-top: 88px !important;
  }

  .section-head,
  .about-system-head,
  .leadership-preview-head {
    display: block !important;
    padding-top: 14px !important;
    margin-bottom: 34px !important;
  }

  .section-head > p,
  .about-system-head > p,
  .leadership-preview-head > p {
    max-width: 100% !important;
    margin-top: 20px !important;
  }

  .section-head h2,
  .leadership-preview h2,
  .about-system-head h2,
  .availability h2,
  .footer h2 {
    max-width: 100% !important;
    font-size: clamp(40px, 11.5vw, 56px) !important;
    line-height: 0.96 !important;
    letter-spacing: -0.06em !important;
  }

  .skills-page-hero h1,
  .work-page-hero h1,
  .impact-page-hero h1,
  .leadership-page-hero h1,
  .detail-hero h1,
  .resume-head h1,
  .person-intro h1 {
    max-width: 100% !important;
    font-size: clamp(44px, 12.6vw, 62px) !important;
    line-height: 0.94 !important;
    letter-spacing: -0.06em !important;
  }

  .project-grid,
  .case-grid,
  .leadership-highlights,
  .capability-preview-grid,
  .exploration-grid,
  .education-grid,
  .evidence-grid,
  .leadership-grid,
  .impact-story-grid,
  .about-identity {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .project-grid {
    gap: 44px !important;
  }

  .project-card,
  .project-card.wide {
    grid-column: auto !important;
    width: 100%;
    transform: none !important;
  }

  .project-card:hover {
    transform: none !important;
  }

  .project-visual,
  .wide .project-visual {
    height: clamp(230px, 68vw, 300px) !important;
  }

  .project-info {
    min-height: 0 !important;
    padding: 18px 0 6px !important;
  }

  .project-info h3 {
    max-width: 100% !important;
    font-size: clamp(24px, 7.3vw, 30px) !important;
    line-height: 1.05 !important;
  }

  .project-proof {
    max-width: 100%;
    flex-wrap: wrap;
  }

  .project-filters {
    display: flex !important;
    gap: 8px !important;
    width: 100%;
    padding: 8px !important;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .project-filters::-webkit-scrollbar {
    display: none;
  }

  .project-filters button {
    flex: 0 0 auto;
    min-height: 46px !important;
    padding: 10px 13px !important;
    scroll-snap-align: start;
    white-space: nowrap;
  }

  .timeline article {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 16px !important;
    padding: 28px 0 !important;
  }

  .timeline article h3 {
    font-size: clamp(23px, 7vw, 29px) !important;
    line-height: 1.08 !important;
  }

  .about-identity {
    display: grid !important;
    gap: 30px !important;
  }

  .about-system .portrait-stage {
    min-height: 0 !important;
    aspect-ratio: 4 / 3;
  }

  .about-system .portrait-stage .profile-photo {
    max-width: 230px;
  }

  .capability-preview-grid,
  .exploration-grid {
    border-left: 0 !important;
  }

  .capability-preview-grid article,
  .capability-preview-grid article:nth-child(3n + 2),
  .capability-preview-grid article:nth-child(3n + 3),
  .exploration-grid article,
  .exploration-grid article:first-child {
    min-height: 0 !important;
    padding: 22px 0 !important;
    border-right: 0 !important;
  }

  .leadership-highlights article,
  .leadership-highlights article + article,
  .education-grid article,
  .education-grid article + article,
  .evidence-grid article,
  .leadership-grid .role-card,
  .leadership-grid .role-card:nth-child(3),
  .leadership-grid .role-card:nth-child(4) {
    min-height: 0 !important;
    padding: 22px !important;
  }

  .leadership-highlights article > span {
    font-size: clamp(42px, 12vw, 62px) !important;
  }

  .skill-list > div {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 8px !important;
  }

  .skill-list h3,
  .skill-list p {
    min-width: 0;
  }

  .research-areas,
  .validation-note,
  .metric-context,
  .dataset-strip {
    padding-inline: 18px !important;
  }

  .research-areas div,
  .profile-overview-credentials,
  .beyond-preview-interests,
  .role-pills,
  .toolkit > div {
    flex-wrap: wrap !important;
  }

  .impact-preview {
    min-height: 0 !important;
    margin-top: 84px !important;
    padding: 82px 0 !important;
  }

  .impact-preview h2 {
    font-size: clamp(44px, 12vw, 60px) !important;
    line-height: 0.94 !important;
  }

  .availability {
    padding: 76px 0 !important;
  }

  .education {
    padding-top: 82px !important;
    padding-bottom: 84px !important;
  }

  .footer {
    padding-top: 78px !important;
  }

  .footer .email {
    max-width: 100%;
    margin: 34px 0 58px !important;
    overflow-wrap: anywhere;
    font-size: 16px !important;
  }

  .footer-row,
  .footer-row div,
  .section-cta,
  .capability-preview-foot,
  .beyond-preview-inner,
  .pdf-actions,
  .project-links,
  .validation-note,
  .metric-context,
  .dataset-strip {
    align-items: flex-start !important;
    flex-wrap: wrap !important;
    gap: 14px !important;
  }

  .footer-row,
  .section-cta,
  .capability-preview-foot,
  .beyond-preview-inner,
  .validation-note,
  .metric-context {
    flex-direction: column !important;
  }

  .detail-hero {
    padding: 48px 0 42px !important;
  }

  .back-link {
    margin-bottom: 38px !important;
  }

  .detail-hero > p:last-child {
    max-width: 100% !important;
    font-size: 16px !important;
    line-height: 1.65 !important;
  }

  .detail-stage {
    height: auto !important;
    min-height: 250px;
    aspect-ratio: 4 / 3;
  }

  .detail-orbit.one {
    width: 55vw !important;
    height: 55vw !important;
    max-width: 260px;
    max-height: 260px;
    border-width: 36px !important;
  }

  .detail-orbit.two {
    width: 78vw !important;
    max-width: 360px;
  }

  .case-grid {
    padding-top: 54px !important;
    padding-bottom: 70px !important;
  }

  .case-grid article,
  .case-grid article:first-child {
    padding: 24px 0 !important;
    border-left: 0 !important;
  }

  .next-project {
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 16px !important;
    padding: 34px 18px !important;
  }

  .next-project span {
    grid-column: 1 / -1 !important;
  }

  .next-project strong {
    min-width: 0;
    overflow-wrap: anywhere;
    font-size: 22px !important;
  }

  .resume-head {
    padding: 50px 0 34px !important;
  }

  .resume-document {
    width: 100%;
    padding: 6px !important;
    border-radius: 10px !important;
  }

  .pdf-shell {
    padding-bottom: 70px !important;
  }

  .pdf-actions {
    justify-content: flex-start !important;
  }

  table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 520px) {
  .shell {
    width: calc(100% - 22px) !important;
  }

  .nav.shell {
    padding-inline: 11px !important;
  }

  .mobile-nav-panel {
    width: min(91vw, 300px);
  }

  .hero h1 {
    font-size: clamp(40px, 12.7vw, 54px) !important;
  }

  .hero-grid > div:first-child > .eyebrow {
    font-size: 9px !important;
    line-height: 1.6;
  }

  .profile-overview {
    padding: 28px 18px !important;
  }

  .profile-overview-heading h2 {
    font-size: clamp(40px, 12vw, 54px) !important;
  }

  .data-stage {
    height: 305px !important;
  }

  .stage-note {
    display: none;
  }

  .stage-copy {
    width: 78% !important;
  }

  .stage-copy strong {
    font-size: clamp(38px, 11.5vw, 50px) !important;
  }

  .section-head h2,
  .leadership-preview h2,
  .about-system-head h2,
  .availability h2,
  .footer h2 {
    font-size: clamp(37px, 10.8vw, 49px) !important;
  }

  .skills-page-hero h1,
  .work-page-hero h1,
  .impact-page-hero h1,
  .leadership-page-hero h1,
  .detail-hero h1,
  .resume-head h1,
  .person-intro h1 {
    font-size: clamp(40px, 11.7vw, 54px) !important;
  }

  .project-visual,
  .wide .project-visual {
    height: clamp(215px, 64vw, 265px) !important;
  }

  .project-info h3 {
    font-size: clamp(22px, 6.8vw, 27px) !important;
  }

  .open-mark {
    top: 12px !important;
    right: 12px !important;
    width: 38px !important;
    height: 38px !important;
  }

  .project-number {
    top: 15px !important;
    left: 15px !important;
  }

  .impact-preview {
    padding: 68px 0 !important;
  }

  .next-project {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .next-project span,
  .next-project i {
    grid-column: auto !important;
  }

  .next-project i {
    justify-self: start;
  }
}

@media (max-width: 380px) {
  .hero h1,
  .profile-overview-heading h2 {
    letter-spacing: -0.045em !important;
  }

  .mobile-nav > summary {
    min-width: 70px;
    padding-inline: 12px;
  }

  .project-visual,
  .wide .project-visual {
    height: 220px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-nav > summary::after {
    transition: none;
  }
}