/* ============================================================================
   ProteoThera — rebuilt from the company's own archived site
   ----------------------------------------------------------------------------
   The site was a WordPress theme (proteothera_v1). Its stylesheet and images
   survived in the Internet Archive, so the brand is restored from them:

     navy    #1B4363   the navigation bar, footer and headings
     sky     #31B2ED   the second blue in the logo and the small accents
     rust    #AB4B21   the call-to-action band
     grey    #ECECEC   rules and panels
     type    Titillium Web (headings) and Lato (body)

   The layout follows the original: white masthead with the serif wordmark and
   the target mark, a navy navigation bar, a rounded photographic slider, the
   rust call-to-action band, three feature columns, and a navy footer carrying
   the contact block and the latest news.
   ========================================================================== */

@font-face { font-family: 'Titillium Web'; src: url('../font/Titillium-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Titillium Web'; src: url('../font/Titillium-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Titillium Web'; src: url('../font/Titillium-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Lato'; src: url('../font/Lato-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Lato'; src: url('../font/Lato-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }

:root {
  --navy: #1b4363;
  --navy-deep: #143349;
  --navy-2: #1f5b89;
  --sky: #31b2ed;
  --sky-pale: #e8f6fe;
  --rust: #ab4b21;
  --rust-dark: #8d3c19;
  --grey: #ececec;
  --grey-2: #f8f8f8;
  --ink: #22303c;
  --text: #4a5560;
  --soft: #6d7883;
  --paper: #ffffff;
  --wrap: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --font: 'Lato', -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --display: 'Titillium Web', 'Lato', Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: var(--font); font-size: 17px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img, svg, video { max-width: 100%; height: auto; }
img { display: block; }
a { color: var(--navy-2); text-decoration: none; }
a:hover { color: var(--sky); }
h1, h2, h3, h4 { font-family: var(--display); color: var(--navy); font-weight: 600; line-height: 1.18; margin: 0 0 .7rem; }
h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); font-weight: 400; letter-spacing: -.01em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.24rem; }
h4 { font-size: 1.04rem; }
p { margin: 0 0 1.1rem; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.1rem, 3.4vw, 2.2rem); }
.center { text-align: center; }
.muted { color: var(--soft); }
.small { font-size: .9rem; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: .6rem; } .mt-2 { margin-top: 1.2rem; }
.mt-3 { margin-top: 1.9rem; } .mt-4 { margin-top: 2.6rem; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--navy); color: #fff; padding: .7rem 1.1rem; z-index: 999; }
.skip:focus { left: .5rem; top: .5rem; }

.eyebrow { font-family: var(--display); font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--navy-2); margin: 0 0 .6rem; }
.section-navy .eyebrow, .site-footer .eyebrow { color: #9ed9f6; }
.rule { width: 52px; height: 3px; background: var(--sky); margin: 0 0 1.1rem; }
.lede { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--text); max-width: 62ch; }

/* ------------------------------------------------------------------ masthead */
.masthead { background: var(--paper); }
.masthead .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.15rem; }
.masthead .brand img { height: 52px; width: auto; }
.masthead .util { display: flex; align-items: center; gap: 1rem; font-size: .86rem; color: var(--soft); }
@media (max-width: 720px) { .masthead .util { display: none; } }

/* the navy navigation bar, as on the original */
.mainnav { background: var(--navy); }
.mainnav .wrap { display: flex; align-items: center; gap: .2rem; position: relative; }
.mainnav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; color: #fff; }
.mainnav a { display: block; color: #fff; font-family: var(--display); font-size: .95rem; font-weight: 400; padding: 1.05rem 1.2rem; }
.mainnav a:hover { background: var(--navy-deep); color: #fff; }
.mainnav a[aria-current="page"] { background: var(--navy-deep); color: #fff; }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 40px; background: none; border: 1px solid rgba(255,255,255,.45); cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: #fff; margin: 4px auto; }
@media (max-width: 900px) {
  .mainnav ul { display: none; }
  .nav-toggle { display: block; }
}
.drawer { position: fixed; inset: 0 0 auto; z-index: 190; background: var(--navy); color: #fff; padding: 1rem 0 1.4rem;
  transform: translateY(-102%); visibility: hidden; transition: transform .26s var(--ease); }
.drawer.is-open { transform: none; visibility: visible; }
.drawer ul { list-style: none; margin: 0; padding: 0; }
.drawer li { border-bottom: 1px solid rgba(255,255,255,.16); }
.drawer a { display: block; padding: .8rem .2rem; color: #fff; font-family: var(--display); }

/* --------------------------------------------------------------------- hero */
.hero { position: relative; background: linear-gradient(180deg, #ffffff 0%, #f6f8fa 58%, #eef2f5 100%); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; padding-block: clamp(2.2rem, 4.6vw, 3.6rem) clamp(2rem, 4vw, 3rem); }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }
.hero-copy { max-width: 34rem; }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.12; }
.hero p { font-size: clamp(1rem, 1.5vw, 1.14rem); }
.hero-media img { width: 100%; border-radius: 240px 0 0 240px; }
@media (max-width: 900px) { .hero-media img { border-radius: 160px 0 0 160px; } }

/* page hero for inner pages */
.page-hero { background: linear-gradient(180deg, #ffffff 0%, #f1f5f8 100%); border-bottom: 1px solid var(--grey); }
.page-hero .wrap { padding-block: clamp(2rem, 4.4vw, 3.4rem) clamp(1.8rem, 3.6vw, 2.8rem); }
.page-hero .eyebrow { color: var(--navy-2); }
.page-hero h1 { margin-bottom: .5rem; }
.page-hero .lede { margin-bottom: 0; }

/* ---------------------------------------------------------------- sections */
.section { padding: clamp(2.4rem, 5vw, 4rem) 0; }
.section-grey { background: var(--grey-2); }
.section-navy { background: var(--navy); color: #dfe8ef; }
.section-navy h1, .section-navy h2, .section-navy h3, .section-navy h4 { color: #fff; }
.section-navy p { color: #cfdce5; }
.section-navy a { color: #bfe6fa; }
.section-navy .eyebrow { color: #9ed9f6; }
.section-head { max-width: 48rem; margin-bottom: 2rem; }
.section-head.center { margin-inline: auto; }

.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.8rem, 4.5vw, 3.4rem); align-items: center; }
.split-wide { grid-template-columns: 1.15fr .85fr; }
.split-narrow { grid-template-columns: .92fr 1.08fr; }
@media (max-width: 880px) { .split, .split-wide, .split-narrow { grid-template-columns: 1fr; } }

.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* the three feature columns, each led by the target mark */
.feature { padding: 0 0 0 0; }
.feature .mark { width: 34px; height: 34px; margin-bottom: .7rem; }
.feature h3 { font-size: 1.1rem; margin-bottom: .4rem; }
.feature p { font-size: .95rem; margin-bottom: .7rem; }
.feature .more { font-family: var(--display); font-size: .9rem; color: var(--navy-2); }
.feature .more::after { content: " \2192"; }

/* cards */
.card { background: var(--paper); border: 1px solid var(--grey); padding: 1.5rem 1.5rem 1.4rem; }
.section-navy .card { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.18); }
.card h3 { margin-bottom: .5rem; }
.card p:last-child { margin-bottom: 0; }
.card-top { border-top: 4px solid var(--sky); }

/* the rust call-to-action band, with the round play button */
.ctaband { background: var(--rust); color: #fff; }
.ctaband .wrap { display: flex; align-items: center; gap: 1.2rem; padding-block: 1.1rem; }
.ctaband a.band { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex: 1; background: rgba(255,255,255,.08); border-radius: 60px; padding: .9rem 1rem .9rem 1.6rem; color: #fff; font-family: var(--display); font-size: clamp(.95rem, 1.6vw, 1.15rem); }
.ctaband a.band:hover { background: rgba(255,255,255,.15); color: #fff; }
.ctaband .play { flex: 0 0 auto; width: 58px; height: 58px; border-radius: 50%; background: #fff; display: grid; place-items: center; }
.ctaband .play svg { width: 22px; height: 22px; fill: var(--rust); margin-left: 3px; }

/* figures */
.figure { margin: 0; }
.figure img { width: 100%; border: 1px solid var(--grey); background: #fff; }
.figure figcaption { font-size: .84rem; color: var(--soft); margin-top: .55rem; }
.section-navy .figure figcaption { color: #b7c9d6; }
.shot { margin: 0; border: 1px solid var(--grey); padding: .7rem; background: #fff; }
.shot img { width: 100%; }
.shot figcaption { font-size: .82rem; color: var(--soft); margin-top: .5rem; }

/* team and advisors */
.person { border-top: 3px solid var(--sky); padding-top: .9rem; }
.person h3 { font-size: 1.05rem; margin-bottom: .15rem; }
.person .role { font-family: var(--display); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--navy-2); margin: 0 0 .5rem; }
.person p { font-size: .93rem; margin: 0; }

/* logos */
.logos { display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem 2.2rem; }
.logos img { max-height: 54px; width: auto; }

/* lists */
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { position: relative; padding-left: 1.5rem; margin-bottom: .55rem; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .55rem; width: 8px; height: 8px; border-radius: 50%; background: var(--sky); }

.specs { list-style: none; margin: 0; padding: 0; }
.specs li { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--grey); }
.specs .k { font-family: var(--display); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--soft); }
.specs .v { text-align: right; color: var(--ink); font-weight: 700; }
.section-navy .specs li { border-bottom-color: rgba(255,255,255,.2); }
.section-navy .specs .v { color: #fff; }
.section-navy .specs .k { color: #b7c9d6; }

.pills { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .45rem; }
.pill { display: inline-block; font-family: var(--display); font-size: .8rem; border: 1px solid var(--sky); color: var(--navy-2); padding: .3rem .7rem; }

.callout { background: var(--sky-pale); border-left: 4px solid var(--sky); padding: 1.1rem 1.2rem; }
.callout h4 { margin-bottom: .35rem; }
.callout p:last-child { margin-bottom: 0; }
.notice { background: #fff7ef; border: 1px solid #f0d3bb; padding: 1rem 1.1rem; font-size: .94rem; }

/* news list */
.news { list-style: none; margin: 0; padding: 0; }
.news li { border-bottom: 1px solid var(--grey); padding: 1.1rem 0; }
.news li:first-child { border-top: 1px solid var(--grey); }
.news h3 { font-size: 1.06rem; margin-bottom: .25rem; }
.news .date { font-family: var(--display); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--soft); }
.news p { font-size: .94rem; margin: .35rem 0 0; }
.news .more { font-family: var(--display); font-size: .88rem; color: var(--sky); }

/* ------------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-family: var(--display); font-size: .95rem;
  font-weight: 600; padding: .8rem 1.5rem; border: 2px solid transparent; border-radius: 40px; cursor: pointer;
  transition: background-color .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease); }
.btn-primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-deep); color: #fff; }
.btn-sky { background: var(--sky); color: #06283a; border-color: var(--sky); }
.btn-sky:hover { background: #5cc6f5; color: #06283a; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; }
.section-navy .btn-ghost { color: #fff; border-color: #fff; }
.section-navy .btn-ghost:hover { background: #fff; color: var(--navy); }

/* -------------------------------------------------------------------- forms */
.form { display: grid; gap: 1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 620px) { .field-row { grid-template-columns: 1fr; } }
.field label { display: block; font-family: var(--display); font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--soft); margin-bottom: .3rem; }
.field .req { color: var(--rust); }
input[type="text"], input[type="email"], input[type="tel"], select, textarea {
  width: 100%; font-family: var(--font); font-size: .95rem; color: var(--ink); background: #fff;
  border: 1px solid #cfd6dc; border-radius: 0; padding: .7rem .8rem; }
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--sky); outline-offset: 1px; }
.field .err { display: block; font-size: .78rem; color: #b3261e; margin-top: .25rem; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #b3261e; }
.checkbox-field label { display: flex; gap: .6rem; font-size: .9rem; font-weight: 400; color: var(--text); text-transform: none; letter-spacing: 0; }
.checkbox-field input { width: auto; margin-top: .3rem; }
.form-note { font-size: .84rem; color: var(--soft); }
.form-status { font-size: .9rem; background: #eaf5ee; border: 1px solid #b9dcc6; padding: .7rem .9rem; }

/* ------------------------------------------------------------------- footer */
.site-footer { background: var(--navy); color: #cfdce5; padding: clamp(2.2rem, 4vw, 3.2rem) 0 1.2rem; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(1.6rem, 4vw, 3rem); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-family: var(--display); font-size: 1.3rem; font-weight: 400; margin-bottom: 1rem; }
.site-footer p, .site-footer li { font-size: .92rem; color: #c6d5e0; }
.site-footer a { color: #c6d5e0; }
.site-footer a:hover { color: var(--sky); }
.footer-news { list-style: none; margin: 0; padding: 0; }
.footer-news li { margin-bottom: 1rem; }
.footer-news a.head { color: #eaf4fa; font-size: .95rem; }
.footer-news p { margin: .2rem 0 0; font-size: .88rem; color: #b3c6d4; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.18); margin-top: 2.2rem; padding-top: 1rem; font-family: var(--display); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: #a3bacb; text-align: center; }

.to-top { position: fixed; right: 1rem; bottom: 1rem; z-index: 150; width: 42px; height: 42px; border: 0; background: var(--navy); color: #fff; cursor: pointer;
  display: grid; place-items: center; opacity: 0; visibility: hidden; transition: opacity .2s var(--ease), visibility .2s; }
.to-top.is-visible { opacity: 1; visibility: visible; }

.reveal { opacity: 0; transform: translateY(12px); transition: opacity .45s var(--ease), transform .45s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
@media print {
  .mainnav, .masthead, .to-top, .site-footer, .nav-toggle { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; }
}