/* Portfolio body */
    body.is-loading { overflow: hidden; }
    .loading-mask { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 50% 42%, #233d6d 0, #172b4a 36%, #101d31 100%); color: white; opacity: 1; visibility: visible; transition: opacity .45s ease, visibility .45s ease; }
    .loading-mask.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
    .loading-content { display: grid; width: min(100%, 360px); justify-items: center; text-align: center; }
    .loading-logo { width: 72px; height: 72px; object-fit: contain; filter: drop-shadow(0 14px 24px rgba(0, 0, 0, .22)); animation: loader-float 1.8s ease-in-out infinite; }
    .loading-eyebrow { margin-top: 19px; color: #91aff8; font-size: .65rem; font-weight: 900; letter-spacing: .16em; }
    .loading-content strong { margin-top: 4px; color: white; font-size: clamp(1.5rem, 4vw, 2rem); letter-spacing: -.04em; }
    .loading-track { width: min(100%, 220px); height: 3px; margin-top: 23px; overflow: hidden; border-radius: 100px; background: rgba(255, 255, 255, .12); }
    .loading-track i { display: block; width: 44%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, transparent, #8fb0ff, white, #8fb0ff, transparent); animation: loader-track 1.05s ease-in-out infinite; }
    .loading-content small { margin-top: 13px; color: #aebed5; font-size: .72rem; }
    main { display: none; }
    main.open { display: block; animation: appear .55s ease-out; }
    .nav .nav-links a { position: relative; color: #65738a; text-decoration: none; font-size: .84rem; font-weight: 750; transition: color .2s ease; }
    .nav .nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px; border-radius: 2px; background: var(--blue); transform: scaleX(0); transition: transform .2s ease; }
    .nav .nav-links a:hover, .nav .nav-links a[aria-current="page"] { color: var(--blue-dark); }
    .nav .nav-links a[aria-current="page"]::after { transform: scaleX(1); }
    .nav-toggle { display: none; align-items: center; gap: 6px; min-height: 38px; padding: 0 11px; border: 1px solid var(--line); border-radius: 9px; background: white; color: #536177; font-size: .76rem; font-weight: 800; }
    .section { padding: 96px 0; scroll-margin-top: 76px; }
    .section.alt { background: #eef2f8; }
    .section-label { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-size: var(--text-label); font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
    .section-label::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px rgba(62,107,242,.09); }
    .section h2 { max-width: 16ch; margin: 10px 0 20px; font-size: var(--title-section); line-height: 1.17; letter-spacing: -.055em; }
    .lead { max-width: 62ch; color: #5b6980; font-size: 1.02rem; line-height: 1.78; }
    .profile-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 18px; margin-top: 40px; }
    .profile-card, .career-card { padding: 25px; border: 1px solid var(--line); border-radius: 15px; background: white; }
    .profile-card { background: var(--ink); color: white; }
    .profile-card h3 { margin: 0; font-size: 1.55rem; letter-spacing: -.055em; }
    .profile-role { margin: 2px 0 20px; color: #b9c9e2; font-size: .92rem; }
    .profile-card dl { margin: 0; }
    .profile-card dl div { display: grid; grid-template-columns: 70px 1fr; gap: 12px; padding: 9px 0; border-top: 1px solid rgba(255,255,255,.13); }
    .profile-card dt { color: #91a7c8; font-size: .72rem; font-weight: 800; }
    .profile-card dd { margin: 0; color: #f6f9ff; font-size: .83rem; font-weight: 650; }
    .career-card { display: grid; gap: 20px; }
    .career-item { display: grid; grid-template-columns: 120px 1fr; gap: 16px; }
    .career-item + .career-item { padding-top: 20px; border-top: 1px solid var(--line); }
    .career-period { color: var(--blue); font-size: .77rem; font-weight: 850; }
    .career-item h3 { margin: 0 0 4px; font-size: 1.05rem; letter-spacing: -.035em; }
    .career-item p { margin: 0; color: #637187; font-size: .88rem; }
    .proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
    .proof { padding: 13px; border-radius: 10px; background: #f1f5fb; }
    .proof strong { display: block; color: var(--blue-dark); font-size: 1.05rem; letter-spacing: -.04em; }
    .proof span { display: block; margin-top: 3px; color: #6e7c91; font-size: .69rem; line-height: 1.45; }
    .story { display: grid; grid-template-columns: .72fr 1.28fr; gap: 25px; margin-top: 45px; }
    .story-key { color: var(--blue-dark); font-weight: 850; font-size: 1.05rem; }
    .story-text { margin: 0; color: #526178; }
    .cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
    .card { padding: 23px; border: 1px solid var(--line); border-radius: 15px; background: white; }
    .card .num { color: var(--blue); font-size: .78rem; font-weight: 900; }
    .card h3 { margin: 7px 0; font-size: 1.12rem; letter-spacing: -.035em; }
    .card p { margin: 0; color: #65738a; font-size: .9rem; }
    .case { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; padding: 26px 0; border-top: 1px solid #dbe3ee; }
    .case:first-of-type { margin-top: 40px; }
    .case-meta { color: #6f7e93; font-size: .87rem; }
    .case h3 { margin: 5px 0; font-size: 1.35rem; letter-spacing: -.045em; }
    .case p { margin: 0; color: #526178; }
    .nav-links { display: flex; align-items: center; gap: 22px; }
    .portfolio-hero { display: grid; min-height: calc(100svh - 66px); padding: clamp(52px, 5.5vw, 68px) 0 72px; align-items: center; background: radial-gradient(circle at 88% 10%, rgba(62, 107, 242, .13), transparent 29%), linear-gradient(145deg, #fff 0%, #f0f4fb 100%); }
    .hero-grid { display: grid; grid-template-columns: 1fr; margin-top: 26px; }
    .hero-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: .8rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
    .hero-kicker::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: currentColor; }
    .portfolio-hero h2 { max-width: 14ch; margin: 12px 0 20px; font-size: clamp(2.55rem, 4.7vw, 4.4rem); line-height: 1.1; letter-spacing: -.068em; }
    .portfolio-hero h2 em { color: var(--blue); font-style: normal; }
    .hero-copy { max-width: 900px; }
    .hero-summary { max-width: 76ch; margin: 0; color: #53627a; font-size: 1rem; line-height: 1.82; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
    .hero-action { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; gap: 8px; padding: 0 14px; border: 1px solid #ced9e9; border-radius: 9px; background: rgba(255, 255, 255, .76); color: #40536f; font-size: .78rem; font-weight: 850; text-decoration: none; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
    .hero-action.primary { border-color: var(--blue); background: var(--blue); color: white; box-shadow: 0 9px 20px rgba(62, 107, 242, .18); }
    .hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
    .hero-chips span { padding: 6px 10px; border: 1px solid #d9e2ef; border-radius: 100px; background: rgba(255,255,255,.78); color: #52627a; font-size: .76rem; font-weight: 750; }
    @media (min-width: 901px) { .portfolio-hero h2 { max-width: none; white-space: nowrap; } }
    .section-heading { display: block; max-width: 960px; margin-bottom: 42px; padding-bottom: 26px; border-bottom: 1px solid #dce4ef; }
    .section-heading > div { display: block; }
    .section-heading h2 { max-width: none; margin: 14px 0 16px; }
    .section-heading p { max-width: 76ch; margin: 0; color: #607087; font-size: 1rem; line-height: 1.82; }
    .timeline { display: grid; gap: 14px; }
    .timeline-item { display: grid; grid-template-columns: 175px 1fr; gap: 22px; padding: 24px; border: 1px solid var(--line); border-radius: 15px; background: white; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
    .timeline-period { display: grid; gap: 3px; color: #8996a9; font-size: .74rem; font-weight: 700; }
    .timeline-duration { color: #a0aabb; font-size: .67rem; font-weight: 650; }
    .timeline-company { margin: 0 0 7px; color: var(--blue-dark); font-size: .82rem; font-weight: 850; line-height: 1.4; }
    .timeline-item h3 { margin: 0 0 7px; font-size: var(--title-card); line-height: 1.35; letter-spacing: -.035em; }
    .timeline-item p { max-width: 72ch; margin: 0; color: #617087; font-size: .92rem; line-height: 1.75; }
    .timeline-item .timeline-description-wide { max-width: none; }
    .timeline-single-line { display: block; white-space: nowrap; }
    .competency-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .competency { min-height: 190px; padding: 24px; border: 1px solid #dfe6ef; border-radius: 15px; background: white; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
    .competency-index { color: var(--blue); font-size: .73rem; font-weight: 900; }
    .competency h3 { margin: 9px 0 8px; font-size: var(--title-card); line-height: 1.38; letter-spacing: -.035em; }
    .competency p { margin: 0; color: #637187; font-size: .9rem; line-height: 1.72; }
    .project-list { display: grid; gap: 18px; margin-top: 38px; }
    .project-card { display: grid; grid-template-columns: .68fr 1.32fr; gap: 32px; padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: 0 12px 34px rgba(34, 59, 100, .06); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
    .project-label { color: var(--blue); font-size: .75rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
    .project-card h3 { margin: 7px 0 9px; font-size: clamp(1.28rem, 1.1rem + .55vw, 1.5rem); line-height: 1.34; letter-spacing: -.04em; }
    .project-scope { margin: -4px 0 8px; color: #52627a; font-size: .88rem; font-weight: 750; line-height: 1.55; }
    .project-period { color: #77869b; font-size: .8rem; }
    .project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
    .project-tags span { padding: 4px 7px; border-radius: 5px; background: #eff3f9; color: #617087; font-size: .72rem; font-weight: 750; }
    .project-summary { display: grid; gap: 0; margin: 0; }
    .project-summary > div { display: grid; grid-template-columns: 88px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid #e8edf4; }
    .project-summary > div:first-child { padding-top: 2px; }
    .project-summary > div:last-child { padding-bottom: 2px; border-bottom: 0; }
    .project-summary dt { color: var(--blue-dark); font-size: .76rem; font-weight: 900; letter-spacing: -.01em; }
    .project-summary dd { margin: 0; color: #58677d; font-size: .9rem; line-height: 1.68; }
    .project-summary > div:last-child dd { color: #40536f; font-weight: 700; }
    .ai-section { background: #132238; color: white; }
    .ai-section .section-label { color: #8fb0ff; }
    .ai-section h2 { color: white; }
    .ai-section .section-heading p { color: #adbbd0; }
    .ai-section .section-heading { border-bottom-color: rgba(255,255,255,.14); }
    .ai-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; }
    .ai-card { padding: 23px; border: 1px solid rgba(255,255,255,.13); border-radius: 15px; background: rgba(255,255,255,.055); transition: transform .25s ease, background .25s ease, border-color .25s ease; }
    .ai-card h3 { margin: 0 0 8px; color: white; font-size: var(--title-card); line-height: 1.35; letter-spacing: -.03em; }
    .ai-card p { margin: 0; color: #b8c5d8; font-size: .9rem; line-height: 1.72; }
    .ai-note { margin-top: 20px; padding: 16px 18px; border-left: 3px solid #7da2ff; background: rgba(255,255,255,.05); color: #d6deeb; font-size: .92rem; line-height: 1.72; }
    .process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; counter-reset: process; }
    .process-step { padding: 21px; border: 1px solid var(--line); border-radius: 14px; background: white; counter-increment: process; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
    .process-step::before { content: "0" counter(process); display: block; margin-bottom: 16px; color: var(--blue); font-size: .74rem; font-weight: 900; }
    .process-step h3 { margin: 0 0 6px; font-size: 1.04rem; line-height: 1.4; letter-spacing: -.03em; }
    .process-step p { margin: 0; color: #68768b; font-size: .86rem; line-height: 1.7; }
    .skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 13px; }
    .skill-group { padding: 22px; border: 1px solid #e3e8f0; border-top: 3px solid var(--blue); border-radius: 0 0 12px 12px; background: #f7f9fc; transition: transform .25s ease, box-shadow .25s ease; }
    .skill-eyebrow { display: block; margin-bottom: 9px; color: var(--blue); font-size: .67rem; font-weight: 900; letter-spacing: .08em; }
    .skill-group h3 { margin: 0 0 13px; font-size: 1.04rem; line-height: 1.4; letter-spacing: -.03em; }
    .skill-group ul { padding: 0; margin: 0; list-style: none; color: #647288; font-size: .88rem; line-height: 1.65; }
    .skill-group li + li { margin-top: 7px; }
    .closing { padding: 84px 0; background: #eaf0fb; text-align: center; }
    .closing h2 { max-width: 17ch; margin: 0 auto 14px; font-size: var(--title-section); line-height: 1.2; letter-spacing: -.055em; }
    .closing p { max-width: 58ch; margin: 0 auto; color: #5d6c82; font-size: .98rem; line-height: 1.78; }
    @media (hover: hover) {
      .hero-action:hover { transform: translateY(-2px); border-color: #aec0dd; box-shadow: 0 10px 22px rgba(34, 59, 100, .1); }
      .hero-action.primary:hover { border-color: var(--blue-dark); box-shadow: 0 12px 26px rgba(62, 107, 242, .25); }
      .timeline-item:hover, .competency:hover, .process-step:hover { transform: translateY(-4px); border-color: #cad7eb; box-shadow: 0 15px 32px rgba(34,59,100,.08); }
      .project-card:hover { transform: translateY(-5px); border-color: #cbd8ec; box-shadow: 0 24px 48px rgba(34,59,100,.11); }
      .ai-card:hover { transform: translateY(-4px); border-color: rgba(143,176,255,.48); background: rgba(255,255,255,.085); }
      .skill-group:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(34,59,100,.08); }
    }
    .js-ready .observe-section { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
    .js-ready .observe-section.in-view { opacity: 1; transform: none; }
    footer { display: none; padding: 42px 0; background: #132238; color: #dae4f5; text-align: center; font-size: .9rem; }
    main.open + footer { display: block; }
    @keyframes loader-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
    @keyframes loader-track { from { transform: translateX(-110%); } to { transform: translateX(235%); } }
    @keyframes appear { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

    @media (prefers-reduced-motion: reduce) {
      .loading-logo, .loading-track i { animation: none; }
      .loading-mask { transition-duration: .01ms; }
    }