/* Shared site chrome for the bilingual INTOSYN site. */

.site-lang {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.site-lang__label { white-space: nowrap; }

.site-lang select {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(6, 21, 41, .72) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='6' viewBox='0 0 9 6'%3E%3Cpath d='m1 1 3.5 3.5L8 1' fill='none' stroke='%239BB4CE' stroke-width='1'/%3E%3C/svg%3E") no-repeat right 9px center;
  color: var(--ink-2);
  font: 500 11px/1 var(--sans);
  min-width: 66px;
  padding: 8px 24px 8px 10px;
  outline: none;
  cursor: pointer;
}

.site-lang select:focus,
.site-lang select:hover { border-color: var(--cyan); color: var(--ink); }

.nav__site {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 0;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 21, 41, .48);
}

.nav__site a {
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--ink-3);
  font-size: 11.5px;
  line-height: 1;
  white-space: nowrap;
  transition: color .25s var(--ease), background .25s var(--ease);
}

.nav__site a:hover { color: var(--ink); background: rgba(52, 160, 228, .09); }
.nav__site a.is-here { color: var(--ink); background: rgba(52, 160, 228, .16); }
.nav__links a { white-space: nowrap; }

.nav__cta {
  margin-left: 0;
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--ink);
  white-space: nowrap;
}

.nav__cta:hover { background: rgba(52, 160, 228, .1); }

.research-overview {
  padding: 108px 0 116px;
  background: linear-gradient(180deg, rgba(10, 30, 56, .16), rgba(6, 21, 41, .34));
}

.research-overview__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 42px;
}

.research-overview__head .lede { max-width: 48ch; margin: 0; }

.research-overview__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.research-overview__card {
  min-height: 252px;
  padding: 25px 22px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(16, 41, 67, .16);
  transition: background .3s var(--ease), transform .3s var(--ease);
}

.research-overview__card:hover {
  background: rgba(16, 41, 67, .46);
  transform: translateY(-3px);
}

.research-overview__num {
  display: block;
  margin-bottom: 36px;
  color: var(--cyan);
  font: 500 10px/1 var(--mono);
  letter-spacing: .16em;
}

.research-overview__card h3 { font-size: 18px; margin-bottom: 8px; }
.research-overview__field {
  display: block;
  margin-bottom: 17px;
  color: var(--cyan-dim);
  font: 500 10px/1.4 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.research-overview__card p { margin: 0; color: var(--ink-3); font-size: 13px; line-height: 1.7; }
.research-overview__link { display: inline-flex; margin-top: 20px; color: var(--ink-2); font-size: 12px; }
.research-overview__link span { margin-left: 6px; transition: transform .25s var(--ease); }
.research-overview__card:hover .research-overview__link span { transform: translateX(4px); }

/* Shared contact / working-session panel. It is injected by site.js so the
   homepage and Research page use one consistent, non-navigating contact flow. */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(3, 12, 25, .76);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .28s var(--ease);
}

.contact-modal.is-open { opacity: 1; visibility: visible; }

.contact-modal__card {
  position: relative;
  width: min(100%, 700px);
  max-height: calc(100dvh - 48px);
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid rgba(111, 190, 242, .3);
  border-radius: 18px;
  background:
    radial-gradient(circle at 88% 0%, rgba(52, 160, 228, .18), transparent 36%),
    linear-gradient(145deg, rgba(11, 39, 70, .98), rgba(5, 18, 35, .98));
  box-shadow: 0 34px 100px -32px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .03) inset;
  transform: translateY(14px) scale(.975);
  transition: transform .32s var(--ease);
}

.contact-modal.is-open .contact-modal__card { transform: translateY(0) scale(1); }

.contact-modal__card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), #9D7BF2 52%, var(--amber));
}

.contact-modal__head { padding: 42px 44px 28px; }
.contact-modal__eyebrow {
  margin: 0 0 17px;
  color: var(--cyan);
  font: 500 10px/1 var(--mono);
  letter-spacing: .18em;
}
.contact-modal__title {
  max-width: 16ch;
  color: var(--ink);
  font-size: clamp(27px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: -.035em;
}
.contact-modal__lead {
  max-width: 58ch;
  margin: 18px 0 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.75;
}

.contact-modal__steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0 44px;
  border: 1px solid var(--line);
  background: var(--line);
}
.contact-modal--research .contact-modal__steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.contact-modal--research .contact-modal__card { width: min(100%, 780px); }
.contact-modal--research .contact-modal__head { padding-bottom: 25px; text-align: center; }
.contact-modal--research .contact-modal__title { max-width: none; margin-inline: auto; }
.contact-modal--research .contact-modal__lead { margin-inline: auto; }
.contact-modal--research .contact-modal__gradient {
  color: var(--cyan);
  background: linear-gradient(100deg, var(--cyan), #9D7BF2 72%, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.contact-modal--research .contact-modal__steps {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
}
.contact-modal--research .contact-modal__step {
  flex: 1 1 0;
  min-height: 108px;
  padding: 17px 10px 15px;
  border: 1px solid rgba(52, 160, 228, .2);
  border-radius: 10px;
  background: rgba(6, 21, 41, .58);
  text-align: center;
}
.contact-modal--research .contact-modal__step > span {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  margin: 0 auto 13px;
  border: 1px solid rgba(52, 160, 228, .6);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 9px;
}
.contact-modal--research .contact-modal__step b { font-size: 12px; }
.contact-modal--research .contact-modal__step-arrow { flex: 0 0 auto; color: var(--cyan); font-size: 17px; opacity: .7; }
.contact-modal--research .contact-modal__email { margin-top: 27px; }
.contact-modal__step { min-width: 0; padding: 16px 15px 15px; background: rgba(6, 21, 41, .62); }
.contact-modal__step > span { display: block; margin-bottom: 17px; color: var(--cyan); font: 500 10px/1 var(--mono); letter-spacing: .14em; }
.contact-modal__step b { display: block; color: var(--ink); font-size: 13px; line-height: 1.35; }
.contact-modal__step p { margin: 7px 0 0; color: var(--ink-4); font-size: 11px; line-height: 1.55; }

.contact-modal__email {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 26px 44px 0;
  padding: 17px 18px;
  border: 1px solid rgba(52, 160, 228, .22);
  border-radius: 10px;
  background: rgba(52, 160, 228, .06);
}
.contact-modal__email span { display: block; margin-bottom: 7px; color: var(--ink-4); font: 500 9px/1 var(--mono); letter-spacing: .16em; }
.contact-modal__email strong { color: var(--cyan); font: 500 15px/1.2 var(--mono); letter-spacing: .02em; }
.contact-modal__email small { color: var(--green); font-size: 11px; line-height: 1.4; text-align: right; }
.contact-modal__email small:not(.is-success) { color: var(--ink-4); }

.contact-modal__actions { display: flex; justify-content: flex-end; gap: 10px; margin: 22px 44px 0; }
.contact-modal__actions .btn { min-width: 126px; justify-content: center; }
.contact-modal__note { margin: 17px 44px 28px; color: var(--ink-4); font-size: 11px; line-height: 1.5; text-align: right; }
.contact-modal__close {
  position: absolute;
  top: 17px;
  right: 19px;
  z-index: 1;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(6, 21, 41, .45);
  color: var(--ink-3);
  font: 300 21px/28px var(--sans);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.contact-modal__close:hover { border-color: var(--cyan); background: rgba(52, 160, 228, .12); color: var(--ink); }

html[lang="en"] .contact-modal__title { max-width: 20ch; }

@media (max-width: 640px) {
  .contact-modal { padding: 14px; }
  .contact-modal__head { padding: 37px 22px 24px; }
  .contact-modal__steps { grid-template-columns: 1fr; margin: 0 22px; }
  .contact-modal--research .contact-modal__steps { display: grid; grid-template-columns: 1fr; gap: 1px; }
  .contact-modal--research .contact-modal__step { min-height: 0; text-align: left; }
  .contact-modal--research .contact-modal__step > span { margin: 2px 0 0; }
  .contact-modal--research .contact-modal__step-arrow { justify-self: center; transform: rotate(90deg); }
  .contact-modal__step { display: grid; grid-template-columns: 36px minmax(0, 1fr); column-gap: 10px; padding: 13px 14px; }
  .contact-modal__step > span { grid-row: 1 / span 2; margin: 2px 0 0; }
  .contact-modal__step p { grid-column: 2; margin-top: 4px; }
  .contact-modal__email { display: block; margin: 22px 22px 0; }
  .contact-modal__email small { display: block; margin-top: 9px; text-align: left; }
  .contact-modal__actions { display: grid; grid-template-columns: 1fr; margin: 18px 22px 0; }
  .contact-modal__actions .btn { width: 100%; min-width: 0; padding-inline: 10px; white-space: normal; overflow-wrap: anywhere; }
  .contact-modal__note { margin: 14px 22px 23px; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .contact-modal, .contact-modal__card { transition: none; }
}

.en-page {
  --maxw: 1180px;
}

.en-page .nav__links { gap: 23px; }
.en-page .hero { min-height: min(820px, 92vh); }
.en-page .hero__sub { max-width: 56ch; }

@media (max-width: 1280px) {
  .nav__in { gap: 18px; }
  .nav__links { gap: 16px; }
  .nav__links a { font-size: 12.5px; }
  .nav__site a { padding-inline: 9px; }
  .nav__cta { padding-inline: 11px; font-size: 12px; }
  .site-lang__label { display: none; }
  .research-overview__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Keep the desktop navigation available until the same breakpoint that
   reveals the mobile menu. This prevents a dead band around tablet-sized
   desktop windows where both navigation systems were hidden. */
@media (max-width: 1100px) {
  .nav__links { display: none; }
}

@media (max-width: 1100px) {
  .nav__site, .site-lang, .nav__cta { display: none; }
  .research-overview__head { display: block; }
  .research-overview__head .lede { margin-top: 20px; }
}

@media (max-width: 640px) {
  .research-overview { padding: 84px 0 90px; }
  .research-overview__grid { grid-template-columns: 1fr; }
  .research-overview__card { min-height: 0; padding: 22px 20px; }
  .research-overview__num { margin-bottom: 22px; }
}

/* Mobile menu: keep the same hierarchy as the desktop shell without
   repeating the contact action or clipping the first row above the viewport. */
@media (max-width: 1100px) {
  .nav.is-open {
    background: rgba(10, 10, 10, .97);
    border-bottom-color: var(--line);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
  }

  .mnav {
    display: flex;
    justify-content: flex-start;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 92px var(--gut) 28px;
  }

  .mnav__links { gap: 0; }
  .mnav__links.mnav__site-links {
    margin-top: 18px;
    padding-top: 15px;
    border-top: 1px solid var(--line);
  }
  .mnav__links a {
    min-height: 0;
    padding: 11px 0;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: 0;
    gap: 12px;
  }
  .mnav__links a i {
    display: none;
  }
  .mnav__foot {
    margin-top: 21px;
    padding-top: 17px;
    border-top: 1px solid var(--line);
  }
  .mnav .site-lang {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin: 0;
    color: var(--ink-3);
  }
  .mnav .site-lang__label {
    display: block;
    font-size: 10px;
    letter-spacing: .16em;
  }
  .mnav .site-lang select {
    min-width: 116px;
    padding: 9px 31px 9px 12px;
    font-size: 12px;
    line-height: 1.2;
  }
  .mnav__foot p {
    margin: 15px 0 0;
    line-height: 1.8;
  }
}

/* The desktop headline reveal is elegant at one or two lines, but a long
   translated headline wraps on phones. Keep its line box stable so the
   following copy never appears to overlap while the reveal is running. */
@media (max-width: 640px) {
  .hero h1 .ln > span {
    animation: none;
    transform: none;
  }
}

/* Shared usability fixes for the static language pages. */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 8px; left: 12px; z-index: 1600;
  padding: 12px 18px; border-radius: 8px; background: #fff; color: #061529;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid #70ceff; outline-offset: 4px; }
#main-content:focus { outline: none; }
[id] { scroll-margin-top: 84px; }
button.opt { width: 100%; font: inherit; text-align: start; cursor: pointer; }
.sim__opts[hidden] { display: none !important; }
.sim .opt__m { font-size: 12px; }
.sim .ax__d, .sim .rule-i__s, .sim__foot { font-size: 12px; }
.btn { min-width: 0; white-space: normal; overflow-wrap: anywhere; text-align: center; }
.btn__arrow { flex-shrink: 0; }
.contact-modal__close { min-width: 40px; min-height: 40px; }
.contact-modal__close:focus-visible { outline-offset: 2px; }
@media (max-width: 1100px) {
  .nav__burger { display: block; margin-left: auto; }
}
@media (min-width: 1121px) {
  .hero:has(.h-display) { padding-top: 104px; padding-bottom: 56px; }
  .hero .h-display { font-size: clamp(38px, 4vw, 60px); }
}
@media (max-width: 640px) {
  .hero:has(.h-display) { min-height: auto; padding-top: 112px; padding-bottom: 48px; }
  .hero__sub { line-height: 1.7; margin-bottom: 24px; }
  .hero__actions { gap: 12px; }
  .hero__actions .btn { padding-inline: 14px; }
  .hero__pillars { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .foot__col a, .footer__col a { display: inline-flex; align-items: center; min-height: 40px; }
  .contact-modal__card { max-height: calc(100dvh - 28px); }
}
/* Core content remains readable when JavaScript is unavailable. */
html:not(.js-ready) [data-rv], html:not(.js-ready) .reveal { opacity: 1; transform: none; }
.language-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 24px; margin: 24px auto 0; }
.language-links a { display: inline-flex; align-items: center; min-height: 40px; font-size: 13px; color: var(--ink-3); }
.language-links a[aria-current] { color: var(--ink); text-decoration: underline; }