/* ============ V4: Medical International — per-page themes ============ */
:root {
  --paper: #faf8f3;
  --white: #ffffff;
  --ink: #22303f;
  --muted: #5f6f80;
  --line: #e7e0d0;
  --radius: 14px;
  --shadow: 0 12px 34px rgba(10, 30, 40, 0.09);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, "Segoe UI", sans-serif;
}

/* Per-page themes: each page gets its own look */
body[data-theme="home"]       { --t1:#04211f; --t2:#0b3f3a; --accent:#2dd4bf; --accent-deep:#0d9488; --accent-soft:#ccfbf1; --glow:rgba(45,212,191,.35); }
body[data-theme="resume"]     { --t1:#0a2148; --t2:#143c7c; --accent:#60a5fa; --accent-deep:#2563eb; --accent-soft:#dbeafe; --glow:rgba(96,165,250,.35); }
body[data-theme="research"]   { --t1:#06231b; --t2:#0e4633; --accent:#34d399; --accent-deep:#059669; --accent-soft:#d1fae5; --glow:rgba(52,211,153,.35); }
body[data-theme="certs"]      { --t1:#2c1f06; --t2:#57400f; --accent:#fbbf24; --accent-deep:#b45309; --accent-soft:#fef3c7; --glow:rgba(251,191,36,.35); }
body[data-theme="contact"]    { --t1:#1c1747; --t2:#322a72; --accent:#a78bfa; --accent-deep:#7c3aed; --accent-soft:#ede9fe; --glow:rgba(167,139,250,.35); }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--paper); color: var(--ink); line-height: 1.7; font-size: 16px; overflow-x: hidden; }
h1, h2, h3 { font-family: var(--serif); color: #10243c; line-height: 1.22; font-weight: 600; }
a { color: #10243c; }
img { max-width: 100%; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 26px; position: relative; z-index: 2; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(250,248,243,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; position: relative; }
.brand::after { content: ""; position: absolute; left: -5px; top: 50%; width: 58px; height: 58px; transform: translateY(-50%); border-radius: 50%; pointer-events: none;
  background: conic-gradient(from 0deg, rgba(212,175,55,0) 0deg, rgba(212,175,55,.95) 55deg, rgba(45,212,191,0) 130deg, rgba(45,212,191,.95) 210deg, rgba(212,175,55,0) 280deg);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px));
  animation: brandOrbit 5s linear infinite; }
@keyframes brandOrbit { to { transform: translateY(-50%) rotate(360deg); } }
.brand-logo { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; border: 2px solid var(--accent); display: block; background: var(--t1); flex-shrink: 0; animation: logoGlow 3.2s ease-in-out infinite; }
@keyframes logoGlow { 0%,100% { box-shadow: 0 0 0 rgba(212,175,55,0); } 50% { box-shadow: 0 0 14px rgba(212,175,55,.55); } }
.brand-text { font-family: var(--serif); font-weight: 600; font-size: 18px; color: #10243c; line-height: 1.2; }
.brand-text small { display: block; font-family: var(--sans); font-weight: 500; font-size: 11.5px; color: var(--muted); letter-spacing: .04em; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: 15px; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav a:hover { color: #10243c; }
.nav a.active { color: #10243c; border-bottom-color: var(--accent-deep); font-weight: 600; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: #10243c; border-radius: 2px; }

/* ---------- buttons ---------- */
.btn { display: inline-block; background: var(--accent); color: #06231f; padding: 14px 30px; border-radius: 10px; font-weight: 700; font-size: 15px; text-decoration: none; border: 2px solid var(--accent); transition: all .18s ease; cursor: pointer; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px var(--glow); filter: brightness(1.06); }
.btn-outline { background: transparent; color: #10243c; border-color: #10243c; }
.btn-outline:hover { background: #10243c; color: #fff; border-color: #10243c; box-shadow: none; }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.75); }
.btn-outline-light:hover { background: #fff; color: #10243c; border-color: #fff; box-shadow: none; }
.btn-small { padding: 10px 20px; font-size: 14px; }

/* ---------- hero (themed, with image layers) ---------- */
.hero { position: relative; color: #fff; padding: 96px 0 108px; overflow: hidden; background: linear-gradient(150deg, var(--t1) 0%, var(--t2) 100%); }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .28; animation: kenburns 26s ease-in-out infinite alternate; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, var(--t1) 20%, transparent 75%), linear-gradient(0deg, var(--t1) 5%, transparent 55%); }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.14); } }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-kicker { display: inline-flex; align-items: center; gap: 12px; color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 20px; }
.hero-kicker::before { content: ""; width: 42px; height: 2px; background: var(--accent); }
.hero h1 { color: #fff; font-size: clamp(40px, 5.6vw, 62px); margin-bottom: 18px; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero-sub { color: #d4dde8; font-size: 17.5px; max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-facts { display: flex; gap: 26px; flex-wrap: wrap; font-size: 14px; color: #aeb9c8; }
.hero-facts strong { display: block; color: #fff; font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 3px; }
.hero-facts a { color: var(--accent-soft); text-decoration: none; }
.hero-facts a:hover { text-decoration: underline; }
.hero-photo { position: relative; justify-self: center; }
.hero-photo img { width: 340px; height: 430px; object-fit: cover; border-radius: 170px 170px var(--radius) var(--radius); border: 3px solid var(--accent); box-shadow: 0 30px 80px rgba(0,0,0,.5); display: block; }
.hero-photo figcaption { position: absolute; left: 50%; transform: translateX(-50%); bottom: -24px; background: #fff; color: #10243c; font-size: 13.5px; font-weight: 600; padding: 10px 22px; border-radius: 999px; box-shadow: var(--shadow); white-space: nowrap; border: 1px solid var(--line); }

/* interior page hero */
.page-hero { position: relative; color: #fff; padding: 76px 0 70px; overflow: hidden; background: linear-gradient(150deg, var(--t1) 0%, var(--t2) 100%); }
.page-hero .hero-bg img { opacity: .22; }
.page-hero h1 { color: #fff; font-size: clamp(34px, 4.6vw, 50px); margin: 14px 0 12px; }
.page-hero .lede { color: #d4dde8; font-size: 17px; max-width: 700px; }
.page-hero .lede a { color: var(--accent); font-weight: 600; }
.kicker { display: inline-flex; align-items: center; gap: 12px; font-size: 12.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-deep); margin-bottom: 14px; }
.kicker::before { content: ""; width: 34px; height: 2px; background: var(--accent-deep); }
.page-hero .kicker { color: var(--accent); }
.page-hero .kicker::before { background: var(--accent); }

/* ---------- sections ---------- */
.section { padding: 84px 0; position: relative; }
.section-tight { padding: 60px 0; }
.section h2 { font-size: clamp(28px, 3.8vw, 40px); margin-bottom: 16px; }
.section-lead { color: var(--muted); font-size: 17px; max-width: 680px; margin-bottom: 40px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.split p { color: #3c4b5c; margin-bottom: 16px; }

/* ---------- stats band (themed) ---------- */
.stats-band { background: linear-gradient(120deg, var(--t1), var(--t2)); border-top: 1px solid var(--accent); border-bottom: 1px solid var(--accent); position: relative; overflow: hidden; }
.stats-band .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 38px 26px; text-align: center; border-left: 1px solid rgba(255,255,255,.12); }
.stat:first-child { border-left: none; }
.stat-num { display: block; font-family: var(--serif); font-size: 46px; color: var(--accent); }
.stat-label { color: #cfd8e4; font-size: 13.5px; }

/* ---------- cards ---------- */
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease; position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--accent), transparent); opacity: 0; transition: opacity .2s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 20px 48px rgba(10,30,40,.14); }
.card:hover::before { opacity: 1; }
.card h3 { font-size: 21px; margin-bottom: 8px; }
.card .meta { color: var(--accent-deep); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.card p { color: #3c4b5c; font-size: 15.5px; }
.card .card-link { display: inline-block; margin-top: 14px; font-weight: 600; color: #10243c; text-decoration: none; border-bottom: 2px solid var(--accent); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* ---------- marquee ticker ---------- */
.ticker { background: var(--t1); border-top: 1px solid var(--accent); border-bottom: 1px solid var(--accent); overflow: hidden; position: relative; z-index: 2; }
.ticker-track { display: inline-flex; align-items: center; gap: 30px; padding: 15px 0; white-space: nowrap; animation: tick 32s linear infinite; font-family: var(--sans); font-weight: 600; font-size: 14px; letter-spacing: .06em; color: var(--accent-soft); }
.ticker-track i { color: var(--accent); font-style: normal; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- feature band ---------- */
.feature-band { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.img-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); position: relative; }
.img-frame img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.img-frame:hover img { transform: scale(1.05); }
.img-frame.wide img { height: 360px; }
.gold-rule { width: 64px; height: 3px; background: var(--accent); margin: 0 0 20px; }
.feature-inner h2 { margin-bottom: 14px; }
.feature-inner p { color: #3c4b5c; margin-bottom: 14px; }

/* ---------- scrollytelling (research) ---------- */
.story { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: start; margin-top: 10px; }
.story-visual { position: sticky; top: 96px; height: 72vh; min-height: 480px; border-radius: 18px; overflow: hidden; box-shadow: 0 30px 70px rgba(6,35,27,.35); border: 1px solid var(--line); }
.story-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.06); transition: opacity .7s ease, transform 1.4s ease; }
.story-visual img.active { opacity: 1; transform: scale(1); }
.story-visual .story-count { position: absolute; left: 22px; bottom: 18px; z-index: 3; background: rgba(6,35,27,.72); color: var(--accent); font-family: var(--serif); font-size: 15px; padding: 8px 18px; border-radius: 999px; border: 1px solid var(--accent); backdrop-filter: blur(6px); }
.story-steps { display: flex; flex-direction: column; }
.story-step { min-height: 68vh; display: flex; align-items: center; }
.step-card { background: var(--white); border: 1px solid var(--line); border-left: 5px solid var(--line); border-radius: var(--radius); padding: 34px 36px; box-shadow: var(--shadow); opacity: .38; transform: translateX(26px); transition: all .5s ease; }
.story-step.active .step-card { opacity: 1; transform: none; border-left-color: var(--accent); box-shadow: 0 24px 60px rgba(6,35,27,.16); }
.step-num { font-family: var(--serif); font-size: 15px; color: var(--accent-deep); font-weight: 700; letter-spacing: .1em; margin-bottom: 8px; }
.step-card h3 { font-size: 23px; margin-bottom: 10px; }
.step-card p { color: #3c4b5c; font-size: 15.5px; }
.step-card strong { color: #10243c; }

/* ---------- resume blocks ---------- */
.resume-block { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 42px; margin-bottom: 26px; box-shadow: var(--shadow); }
.resume-block h2 { font-size: 26px; padding-bottom: 12px; margin-bottom: 22px; border-bottom: 2px solid var(--accent-soft); }
.resume-block h3 { font-size: 19px; margin: 20px 0 4px; font-family: var(--sans); font-weight: 700; }
.resume-block .where { color: var(--accent-deep); font-weight: 600; font-size: 14.5px; margin-bottom: 8px; }
.resume-block ul { margin: 8px 0 8px 20px; color: #3c4b5c; }
.resume-block li { margin-bottom: 8px; font-size: 15.5px; }
.resume-block p { color: #3c4b5c; font-size: 15.5px; margin-bottom: 10px; }
.resume-head { text-align: center; }
.resume-head h2 { border: none; font-size: 34px; margin-bottom: 6px; }
.resume-head .title { color: var(--accent-deep); font-weight: 600; font-size: 16px; margin-bottom: 10px; }
.resume-head .contact-line { color: var(--muted); font-size: 14.5px; }
.skill-group { margin-bottom: 14px; }
.skill-group strong { color: #10243c; }

/* ---------- chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.chips span { font-size: 13px; font-weight: 600; color: #10243c; background: var(--accent-soft); border: 1px solid var(--accent); padding: 7px 15px; border-radius: 999px; }

/* ---------- timeline ---------- */
.timeline { border-left: 3px solid var(--accent-soft); margin-left: 8px; padding-left: 30px; display: flex; flex-direction: column; gap: 32px; }
.t-item { position: relative; }
.t-item::before { content: ""; position: absolute; left: -39px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--accent); }
.t-date { font-size: 13px; font-weight: 700; color: var(--accent-deep); text-transform: uppercase; letter-spacing: .06em; }
.t-item h3 { font-size: 20px; margin: 4px 0 2px; font-family: var(--sans); }
.t-org { color: var(--muted); font-weight: 500; margin-bottom: 8px; font-size: 15px; }
.t-item p:last-child { color: #3c4b5c; font-size: 15px; }

/* ---------- certificates ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; perspective: 1200px; }
.cert-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: box-shadow .2s ease; transform-style: preserve-3d; will-change: transform; }
.cert-card:hover { box-shadow: 0 26px 60px rgba(44,31,6,.22); }
.cert-thumb { display: block; overflow: hidden; border-bottom: 1px solid var(--line); position: relative; }
.cert-thumb img { width: 100%; height: 200px; object-fit: cover; object-position: top center; display: block; transition: transform .4s ease; background: #fff; }
.cert-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.35) 48%, transparent 62%); transform: translateX(-120%); transition: transform .7s ease; }
.cert-card:hover .cert-thumb::after { transform: translateX(120%); }
.cert-thumb-doc { display: flex; align-items: center; justify-content: center; height: 200px; background: linear-gradient(150deg, var(--t1), var(--t2)); text-decoration: none; }
.cert-thumb-doc span { font-family: var(--serif); font-size: 30px; color: var(--accent); border: 2px solid var(--accent); border-radius: 12px; padding: 14px 30px; letter-spacing: .1em; }
.cert-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.cert-body h3 { font-size: 18px; font-family: var(--sans); }
.cert-body .issuer { color: var(--accent-deep); font-size: 13.5px; font-weight: 600; }
.cert-actions { display: flex; gap: 10px; margin-top: 12px; }
.cert-actions .btn, .cert-actions .btn-outline { padding: 10px 18px; font-size: 13.5px; flex: 1; text-align: center; }
.plain-list { list-style: none; margin-top: 8px; }
.plain-list li { padding: 14px 4px; border-bottom: 1px dashed var(--line); color: #3c4b5c; font-size: 15.5px; display: flex; justify-content: space-between; gap: 16px; }
.plain-list li strong { color: #10243c; }
.plain-list li span { color: var(--muted); font-size: 14px; text-align: right; }
.back-link { display: inline-block; margin-bottom: 26px; text-decoration: none; font-weight: 600; color: #10243c; }
.back-link:hover { color: var(--accent-deep); }
.cert-frame { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); margin-bottom: 28px; }
.cert-frame img { width: 100%; height: auto; border-radius: 8px; display: block; }
.pdf-frame { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow); margin-bottom: 28px; }
.pdf-frame iframe { width: 100%; height: 78vh; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.cert-detail-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cert-meta { display: flex; gap: 26px; flex-wrap: wrap; margin: 18px 0 6px; color: #d4dde8; font-size: 14.5px; }
.cert-meta strong { color: #fff; }

/* ---------- affiliation ---------- */
.affil { display: flex; align-items: center; gap: 22px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; box-shadow: var(--shadow); }
.affil img { width: 120px; height: auto; background: #fff; border-radius: 10px; }
.affil strong { display: block; color: #10243c; font-size: 16.5px; }
.affil span { color: var(--muted); font-size: 14.5px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; text-decoration: none; box-shadow: var(--shadow); transition: transform .16s ease; display: block; }
.contact-card:hover { transform: translateY(-4px); }
.c-icon { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(150deg, var(--t1), var(--t2)); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.c-icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.contact-label { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent-deep); margin-bottom: 4px; }
.contact-value { color: #10243c; font-weight: 600; font-size: 16px; word-break: break-all; }

/* social icons */
.social-row { display: flex; gap: 16px; margin-top: 20px; }
/* minimal gold line icons */
.soc { width: 48px; height: 48px; display: inline-flex; align-items: center; justify-content: center; background: none; border: none; text-decoration: none; transition: transform .22s ease; color: #EDEDED; }
.soc svg { width: 38px; height: 38px; transition: filter .22s ease; }
.soc:hover { transform: translateY(-3px); background: none; border: none; box-shadow: none; color: #FFFFFF; }
.soc:hover svg { stroke: #FFFFFF; filter: drop-shadow(0 0 14px rgba(255,255,255,.6)); }
.soc-label { display: block; font-size: 11px; color: #aeb9c8; text-align: center; margin-top: 6px; letter-spacing: .04em; }
.soc-wrap { display: flex; flex-direction: column; align-items: center; }
.social-band { display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.social-band .soc { width: 62px; height: 62px; background: none; border: none; box-shadow: none; }
.social-band .soc svg { width: 46px; height: 46px; }
.social-band .soc:hover { background: none; }
.social-band .soc-label { color: var(--muted); font-size: 12.5px; font-weight: 600; }
/* social-band sits on light backgrounds: dark icons for contrast (footer keeps white) */
.social-band .soc { color: #3d4b61; }
.social-band .soc svg { stroke: #3d4b61; }
.social-band .soc:hover { color: #0f1f38; }
.social-band .soc:hover svg { stroke: #0f1f38; filter: drop-shadow(0 0 12px rgba(15,31,56,.28)); }

/* floating orbs (contact page) */
.orbs { position: absolute; inset: 0; overflow: hidden; z-index: 1; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; animation: drift 14s ease-in-out infinite alternate; }
.orb.o1 { width: 340px; height: 340px; background: var(--accent-deep); top: -80px; left: -60px; }
.orb.o2 { width: 260px; height: 260px; background: var(--accent); bottom: -40px; right: 6%; animation-delay: 3s; opacity: .35; }
.orb.o3 { width: 180px; height: 180px; background: #fff; top: 38%; left: 44%; animation-delay: 6s; opacity: .14; }
@keyframes drift { from { transform: translate(0,0) scale(1); } to { transform: translate(50px, 36px) scale(1.12); } }

/* ---------- cta band ---------- */
.cta-band { background: linear-gradient(150deg, var(--t1), var(--t2)); color: #fff; text-align: center; position: relative; overflow: hidden; }
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: #d4dde8; max-width: 640px; margin: 0 auto 30px; }
.cta-band .row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.site-footer { background: #0b1a2e; color: #aeb9c8; padding: 56px 0 0; font-size: 14.5px; }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 34px; align-items: flex-start; }
.footer-name { font-family: var(--serif); font-size: 20px; color: #fff; margin-bottom: 6px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.footer-links a { color: #c8d3e0; text-decoration: none; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 26px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13.5px; align-items: center; }
.powered-by { margin-left: auto; color: var(--muted); font-size: 13px; }
.powered-by b { color: var(--text); }
.footer-tag { font-family: var(--serif); font-style: italic; color: var(--accent); font-size: 14.5px; }

/* ---------- reveal variants ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .65s ease, transform .65s ease; }
.reveal-l { opacity: 0; transform: translateX(-40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-r { opacity: 0; transform: translateX(40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-z { opacity: 0; transform: scale(.92); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible, .reveal-l.visible, .reveal-r.visible, .reveal-z.visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .hero-inner, .split, .feature-inner { grid-template-columns: 1fr; gap: 44px; }
  .grid-3 { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .stats-band .wrap { grid-template-columns: 1fr 1fr; }
  .stat { border-left: none; border-top: 1px solid rgba(255,255,255,.12); padding: 28px 18px; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-photo { order: -1; }
  .hero-photo img { width: 260px; height: 330px; }
  .story { grid-template-columns: 1fr; }
  .story-visual { position: relative; top: 0; height: 46vh; min-height: 320px; }
  .story-step { min-height: auto; padding: 26px 0; }
  .step-card { opacity: 1; transform: none; }
  .nav { position: absolute; top: 74px; left: 0; right: 0; background: var(--paper); flex-direction: column; align-items: stretch; padding: 10px 26px 22px; gap: 0; border-bottom: 1px solid var(--line); display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav a.btn-small { margin-top: 14px; text-align: center; border: none; }
  .menu-toggle { display: flex; }
  .section { padding: 60px 0; }
  .resume-block { padding: 28px 24px; }
}
@media (max-width: 600px) {
  .cert-grid, .grid-2 { grid-template-columns: 1fr; }
  .affil { flex-direction: column; text-align: center; }
}

/* ============ HEAVY ANIMATION PACK: developer-grade motion ============ */

/* Scroll progress bar (injected by JS) */
.scroll-progress{position:fixed;top:0;left:0;height:4px;width:100%;z-index:9999;background:rgba(255,255,255,.06);pointer-events:none}
.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent));box-shadow:0 0 12px var(--accent)}

/* Particle canvas layers */
.hero{position:relative}
#hero-particles,#research-particles{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.85}
.hero-inner,.research-hero .container{position:relative;z-index:2}
.research-hero{position:relative;overflow:hidden}

/* Typewriter */
/* Programmer-style typed line in hero */
.hero-term{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.95rem;color:#9fd8d0;margin-top:1.1rem;min-height:1.6rem}
.hero-term .prompt{color:var(--accent);font-weight:700;margin-right:.4rem}
#typewriter{color:#e8f4f2}
.type-caret{display:inline-block;width:8px;height:1.05rem;background:var(--accent);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* Terminal / workstation */
.workstation{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
.terminal{max-width:760px;margin:2.5rem auto 0;background:#0a1628;border:1px solid rgba(79,216,199,.25);border-radius:14px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.5),0 0 40px rgba(79,216,199,.08);text-align:left}
.term-bar{display:flex;gap:8px;padding:.8rem 1rem;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.08)}
.term-bar span{width:12px;height:12px;border-radius:50%;background:#ff5f57}
.term-bar span:nth-child(2){background:#febc2e}
.term-bar span:nth-child(3){background:#28c840}
.term-body{padding:1.4rem 1.5rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92rem;line-height:1.9;min-height:280px;color:#c9d6e8}
.term-body .cmd{color:#4fd8c7}
.term-body .out{color:#7d8ea8}
.term-caret{display:inline-block;width:9px;height:1.1rem;background:#4fd8c7;vertical-align:-2px;animation:blink 1s steps(1) infinite}

/* Research story: full-view image row, no cropping */
.research-story .story-layout{display:block}
.story-quote{max-width:860px;margin:0 auto 2.5rem;text-align:center}
.story-quote p{font-size:1.35rem;line-height:1.75;color:var(--ink)}
.story-quote strong{color:var(--accent-deep)}
.story-images{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;max-width:1000px;margin:0 auto}
.story-images img{width:100%;height:auto;display:block;border-radius:16px;border:1px solid rgba(0,0,0,.08);box-shadow:0 18px 45px rgba(0,0,0,.14);transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s}
.story-images img:hover{transform:scale(1.03) rotate(-.5deg);box-shadow:0 26px 60px rgba(0,0,0,.22)}

/* Gallery band */
.gallery-band{background:linear-gradient(180deg,transparent,rgba(52,211,153,.05),transparent)}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:2.5rem}
.g-item{margin:0;background:rgba(255,255,255,.75);border:1px solid rgba(0,0,0,.07);border-radius:14px;overflow:hidden;box-shadow:0 12px 30px rgba(0,0,0,.08);transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s;transform-style:preserve-3d}
.g-item img{width:100%;height:150px;object-fit:cover;display:block;transition:transform .6s}
.g-item:hover img{transform:scale(1.08)}
.g-item figcaption{padding:.8rem 1rem;font-size:.85rem;font-weight:600;color:var(--accent-deep);letter-spacing:.02em}

/* Project card images + tilt */
.project-card{transform-style:preserve-3d;will-change:transform}
.project-img{width:100%;height:170px;object-fit:cover;border-radius:12px;margin-bottom:1.2rem;display:block}

/* Magnetic buttons */
.btn{transition:transform .25s ease,box-shadow .3s,background .3s;will-change:transform}

/* Extra premium touches */
.section{position:relative}
/* (kicker keeps original theme styling) */
.card,.thesis-card,.project-card,.cert-card,.contact-card,.edu-card,.skill-cat{position:relative;overflow:hidden}
.card::after,.thesis-card::after,.project-card::after,.contact-card::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0;transition:opacity .4s}
.card:hover::after,.thesis-card:hover::after,.project-card:hover::after,.contact-card:hover::after{opacity:1}

@media(max-width:900px){
  .gallery-grid{grid-template-columns:1fr 1fr}
  .story-images{grid-template-columns:1fr}
  .term-body{font-size:.8rem;min-height:320px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* Full-view images: never crop the feature-band photos */
.feature-band .img-frame{overflow:visible;box-shadow:none;border:none;background:none}
.feature-band .img-frame.wide img{height:auto;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:var(--radius)}

/* Keep page-hero text above the particle canvas */
.page-hero .wrap{position:relative;z-index:2}

/* ============ Premium split page-heroes ============ */
#ph-resume,#ph-certs{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.7}
.page-hero.split .split-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.ph-figure{margin:0;justify-self:end;position:relative}
.ph-figure img{width:270px;height:330px;object-fit:cover;border-radius:135px 135px var(--radius) var(--radius);border:3px solid var(--accent);box-shadow:0 26px 60px rgba(0,0,0,.45);display:block;position:relative;z-index:1}
.ph-figure::after{content:"";position:absolute;inset:-14px;border:1px solid var(--accent);opacity:.35;border-radius:150px 150px calc(var(--radius) + 14px) calc(var(--radius) + 14px);pointer-events:none}

/* ============ Hero-sub: impressive professor-facing lockup ============ */
.hero-sub{display:flex;flex-direction:column;gap:.7rem;max-width:600px;margin-bottom:32px}
.hs-lead{font-size:.78rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--accent)}
.hs-main{font-size:1.14rem;line-height:1.7;color:#eaf3f1}
.hs-main em{font-style:normal;color:#fff;font-weight:600;border-bottom:2px solid var(--accent);padding-bottom:1px}
.hs-proof{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;line-height:1.7;color:#a9cdd0;background:rgba(255,255,255,.045);border:1px solid rgba(45,212,191,.32);border-radius:12px;padding:.7rem 1rem;box-shadow:inset 0 0 24px rgba(45,212,191,.06)}
.hs-proof b{color:var(--accent);font-size:.98rem;text-shadow:0 0 16px var(--glow)}
.hs-proof i{font-style:normal;opacity:.45;margin:0 .4rem}

/* ============ GSN engagement links ============ */
.affil-links{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.9rem}

@media(max-width:900px){
  .page-hero.split .split-inner{grid-template-columns:1fr;gap:2rem}
  .ph-figure{justify-self:start}
  .ph-figure img{width:220px;height:270px}
}

/* ============ Hero credibility badges (professor-facing) ============ */
.hs-badges{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.25rem}
.hs-badges a{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);text-decoration:none;border:1px solid rgba(45,212,191,.45);border-radius:999px;padding:.5rem .95rem;background:rgba(45,212,191,.07);box-shadow:0 0 18px rgba(45,212,191,.12);opacity:0;animation:badgeIn .6s ease forwards;transition:transform .25s,box-shadow .25s,background .25s}
.hs-badges a:nth-child(2){animation-delay:.18s}
.hs-badges a:nth-child(3){animation-delay:.36s}
.hs-badges a:hover{transform:translateY(-2px);background:rgba(45,212,191,.14);box-shadow:0 0 26px rgba(45,212,191,.28)}
@keyframes badgeIn{from{opacity:0;transform:translateY(10px) scale(.94)}to{opacity:1;transform:none}}

/* ============ Hero skill links under the badges ============ */
.hs-skills{display:flex;gap:.4rem .9rem;flex-wrap:wrap;margin-top:.75rem;font-size:.82rem}
.hs-skills a{color:rgba(212,226,236,.72);text-decoration:none;border-bottom:1px dotted rgba(45,212,191,.55);padding-bottom:1px;opacity:0;animation:badgeIn .6s ease forwards;transition:color .25s,border-color .25s}
.hs-skills a:nth-child(1){animation-delay:.55s}
.hs-skills a:nth-child(2){animation-delay:.67s}
.hs-skills a:nth-child(3){animation-delay:.79s}
.hs-skills a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ============ Premium hero portrait frame ============ */
.hero-photo{position:relative}
.hero-photo img{animation:photoFloat 7s ease-in-out infinite}
@keyframes photoFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero-photo::before{content:"";position:absolute;inset:-18px;border:2px solid #e8b04b;border-radius:190px 190px 32px 32px;opacity:.9;pointer-events:none}
.hero-photo::after{content:"";position:absolute;inset:-18px;border-radius:190px 190px 32px 32px;box-shadow:0 0 70px rgba(232,176,75,.35);pointer-events:none}

/* ============ Cycling reveal animations: 6 styles, new style every entry ============ */
.reveal,.reveal-l,.reveal-r,.reveal-z{opacity:0;transition:opacity .65s ease,transform .65s ease,filter .65s ease}
.reveal-l,.reveal-r,.reveal-z{transform:none;filter:none}
.reveal.ax-up{transform:translateY(30px)}
.reveal.ax-down{transform:translateY(-30px)}
.reveal.ax-left{transform:translateX(-46px)}
.reveal.ax-right{transform:translateX(46px)}
.reveal.ax-zoom{transform:scale(.9)}
.reveal.ax-blur{filter:blur(10px)}
.reveal.visible,.reveal-l.visible,.reveal-r.visible,.reveal-z.visible{opacity:1;transform:none;filter:none}

/* ============ Hero name: letter-by-letter entrance (no clipping masks) ============ */
.hero h1 .w{display:inline-block;white-space:nowrap}
.hero h1 .ltr{display:inline-block;opacity:0;transform:translateY(.35em);animation:ltrIn .55s cubic-bezier(.19,1,.22,1) forwards;will-change:transform,opacity}
@keyframes ltrIn{to{opacity:1;transform:translateY(0)}}

/* ============ Click ripple + press for nav links and buttons ============ */
.nav a,.btn{position:relative;overflow:hidden;-webkit-tap-highlight-color:transparent}
.nav a:active,.btn:active{transform:scale(.95)}
.click-ripple{position:absolute;border-radius:50%;background:currentColor;opacity:.28;transform:scale(0);animation:rippleGo .6s ease-out forwards;pointer-events:none;z-index:1}
@keyframes rippleGo{to{transform:scale(1);opacity:0}}

/* ============ Typewriter medical icon ============ */
.hero-term .prompt svg{vertical-align:-3px}