.science-page {
  --science-navy: #061937;
  --science-blue: #2377ea;
  --science-cyan: #78d8e8;
  --science-mint: #91e5c5;
  background:
    radial-gradient(circle at 7% 16%, rgba(52, 134, 238, .12), transparent 24%),
    radial-gradient(circle at 94% 48%, rgba(93, 215, 194, .1), transparent 22%),
    #f3f7fc;
}

.science-page .breadcrumb { padding-top: 22px; }
.science-page .hero { padding: 18px 0 58px; }
.science-page .hero__panel {
  min-height: 660px;
  padding: clamp(36px, 5vw, 72px);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 40px;
  background:
    radial-gradient(circle at 74% 22%, rgba(72, 192, 232, .22), transparent 28%),
    radial-gradient(circle at 28% 90%, rgba(63, 128, 238, .24), transparent 32%),
    linear-gradient(145deg, #061b40 0%, #0c326f 58%, #0a4c69 100%);
  box-shadow: 0 34px 90px rgba(4, 27, 65, .25);
}
.science-page .hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .13;
  background-image: linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(110deg, #000, transparent 75%);
  mask-image: linear-gradient(110deg, #000, transparent 75%);
  pointer-events: none;
}
.science-page .hero__panel-inner {
  min-height: 510px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, .96fr);
  align-items: center;
  gap: clamp(38px, 6vw, 84px);
}
.science-page .hero__copy { position: relative; z-index: 3; }
.science-page .hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: #a9f0dc;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.science-page .hero__eyebrow span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #83e3c5;
  box-shadow: 0 0 0 7px rgba(131, 227, 197, .13), 0 0 22px #83e3c5;
  animation: science-pulse 2.2s ease-out infinite;
}
@keyframes science-pulse { 50% { box-shadow: 0 0 0 12px rgba(131, 227, 197, 0), 0 0 28px #83e3c5; } }
.science-page .hero__panel h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(42px, 5.5vw, 76px);
  line-height: .98;
  letter-spacing: -.055em;
}
.science-page .hero__panel h1 em {
  display: block;
  color: #a7ead8;
  font-style: normal;
}
.science-page .hero__panel p {
  max-width: 660px;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.72;
}
.science-page .hero__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 30px; }
.science-page .btn--light { background: #fff; color: #0c3778; box-shadow: 0 18px 40px rgba(0,0,0,.18); }
.science-page .hero__text-link { color: #fff; font-size: 14px; font-weight: 800; text-decoration: none; }
.science-page .hero__text-link span { display: inline-block; margin-left: 5px; color: #9ee9d3; transition: transform .2s ease; }
.science-page .hero__text-link:hover span { transform: translate(3px, -3px); }
.science-page .hero__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 42px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); }
.science-page .hero__metrics div { display: grid; gap: 2px; }
.science-page .hero__metrics strong { font-family: "Geologica", sans-serif; font-size: clamp(20px, 2vw, 28px); }
.science-page .hero__metrics span { color: rgba(255,255,255,.58); font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }

.science-page .hero__visual { position: relative; min-height: 470px; perspective: 1100px; }
.science-page .hero__photo { position: absolute; overflow: hidden; border: 1px solid rgba(255,255,255,.22); box-shadow: 0 28px 70px rgba(0,0,0,.32); }
.science-page .hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.science-page .hero__photo--main { inset: 18px 24px 54px 0; border-radius: 180px 180px 34px 34px; transform: rotate(-2deg); }
.science-page .hero__photo--secondary { right: -10px; bottom: 2px; width: 42%; aspect-ratio: 1; border-radius: 50%; transform: rotate(5deg); }
.science-page .hero__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(2,20,49,.35)); }
.science-page .hero__orbit { position: absolute; top: -3px; right: -25px; width: 145px; height: 145px; border: 1px solid rgba(158,233,211,.34); border-radius: 50%; animation: science-spin 16s linear infinite; }
.science-page .hero__orbit::before, .science-page .hero__orbit::after { content: ""; position: absolute; inset: 22px; border: 1px solid rgba(158,233,211,.24); border-radius: 50%; }
.science-page .hero__orbit::after { inset: 48px; background: rgba(158,233,211,.1); }
.science-page .hero__orbit i { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #9ee9d3; box-shadow: 0 0 16px #9ee9d3; }
.science-page .hero__orbit i:nth-child(1) { top: 15px; left: 27px; }.science-page .hero__orbit i:nth-child(2) { right: 2px; top: 65px; }.science-page .hero__orbit i:nth-child(3) { bottom: 11px; left: 35px; }
@keyframes science-spin { to { transform: rotate(360deg); } }
.science-page .hero__lab-card { position: absolute; left: -26px; bottom: 24px; z-index: 3; display: grid; padding: 15px 18px 15px 44px; border: 1px solid rgba(255,255,255,.26); border-radius: 17px; background: rgba(5,27,63,.72); box-shadow: 0 16px 40px rgba(0,0,0,.2); backdrop-filter: blur(16px); }
.science-page .hero__lab-card small { color: rgba(255,255,255,.58); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.science-page .hero__lab-card strong { font-size: 13px; }
.science-page .hero__lab-pulse { position: absolute; left: 17px; top: 50%; width: 12px; height: 12px; border-radius: 50%; background: #87e5c9; transform: translateY(-50%); box-shadow: 0 0 0 7px rgba(135,229,201,.1); }

.science-index { position: sticky; top: 76px; z-index: 14; border-bottom: 1px solid rgba(13,43,82,.09); background: rgba(247,250,254,.87); backdrop-filter: blur(18px); }
.science-index__progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: rgba(28,102,219,.08); }
.science-index__progress i { display: block; width: 0; height: 100%; background: linear-gradient(90deg, #1e70e8, #69d6bd); transition: width .12s linear; }
.science-index__inner { min-height: 68px; display: flex; align-items: center; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.science-index__inner::-webkit-scrollbar { display: none; }
.science-index__label { margin-right: auto; color: #7b8ca8; font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.science-index a { flex: 0 0 auto; padding: 10px 13px; border-radius: 12px; color: #667895; font-size: 12px; font-weight: 800; text-decoration: none; transition: color .2s, background .2s; }
.science-index a b { margin-right: 5px; color: #a1afc3; font-family: "Geologica", sans-serif; font-size: 10px; }
.science-index a:hover, .science-index a.is-active { color: #0d55bf; background: #e6f1ff; }
.science-index a.is-active b { color: #55bca5; }

.science-page .research-section { position: relative; padding: clamp(72px, 9vw, 128px) 0; scroll-margin-top: 142px; overflow: hidden; }
.science-page .research-section::before { content: attr(data-chapter); position: absolute; top: 30px; right: max(18px, calc((100vw - var(--content))/2)); color: rgba(18,83,170,.055); font-family: "Geologica", sans-serif; font-size: clamp(120px, 18vw, 240px); font-weight: 900; line-height: 1; pointer-events: none; }
.science-page .research-section:nth-of-type(even) { background: rgba(255,255,255,.64); }
.science-page .research-section > .shell { position: relative; display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px 28px; }
.science-page .research-section .section__head { grid-column: 1 / 6; align-self: end; margin: 0; }
.science-page .research-section > .shell > .lead { grid-column: 1 / 6; margin: 0; }
.science-page .research-section .photo-grid { grid-column: 6 / -1; grid-row: 1 / span 3; align-self: stretch; display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: repeat(3, minmax(95px, 1fr)); gap: 10px; min-height: 420px; margin: 0; }
.science-page .research-section .photo-grid img { width: 100%; height: 100%; min-height: 0; aspect-ratio: auto; border-radius: 20px; box-shadow: 0 16px 44px rgba(10,40,82,.14); cursor: zoom-in; transition: transform .35s ease, filter .35s ease; }
.science-page .research-section .photo-grid img:hover { transform: translateY(-4px); filter: saturate(1.08); }
.science-page .research-section .photo-grid img:first-child { grid-row: 1 / -1; }
.science-page .research-section .photo-grid img:only-child { grid-column: 1 / -1; grid-row: 1 / -1; max-height: none; }
.science-page .research-section--field .photo-grid--compact { height: auto; min-height: 0; align-self: stretch; }
.science-page .research-section .block-graphic { grid-column: 1 / 6; margin: 0; min-height: 122px; border-color: rgba(21,75,145,.1); background: rgba(255,255,255,.8); box-shadow: 0 18px 48px rgba(10,49,105,.08); backdrop-filter: blur(12px); }
.science-page .research-section .stat-row { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 34px 0 0; }
.science-page .research-section .stat-chip { position: relative; min-height: 122px; overflow: hidden; padding: 24px; border: 0; border-radius: 22px; background: linear-gradient(145deg, #0b2f69, #1257a2); color: #fff; box-shadow: 0 18px 40px rgba(12,61,130,.16); }
.science-page .research-section .stat-chip::after { content: ""; position: absolute; width: 100px; height: 100px; right: -38px; bottom: -52px; border: 18px solid rgba(135,229,201,.14); border-radius: 50%; }
.science-page .research-section .stat-chip strong { position: relative; z-index: 1; font-size: clamp(28px,3.5vw,46px); }
.science-page .research-section .stat-chip span { position: relative; z-index: 1; color: rgba(255,255,255,.68); }
.science-page .research-section .fact-list { grid-column: 1 / -1; counter-reset: science-fact; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 8px; }
.science-page .research-section .fact-list li { counter-increment: science-fact; min-height: 112px; padding: 22px 22px 22px 64px; position: relative; border-color: rgba(18,75,147,.09); border-radius: 20px; box-shadow: 0 10px 34px rgba(10,42,91,.06); }
.science-page .research-section .fact-list li::before { content: counter(science-fact, decimal-leading-zero); position: absolute; left: 20px; top: 22px; color: #6fbcae; font-family: "Geologica", sans-serif; font-size: 13px; font-weight: 900; }
.science-page .research-section .fact-icon { display: none; }
.science-page .research-section .source-note { grid-column: 1 / -1; display: flex; align-items: center; gap: 9px; margin: 4px 0 0; padding: 13px 16px; border-radius: 12px; background: rgba(221,234,250,.48); }
.science-page .research-section .source-note::before { content: "i"; flex: 0 0 20px; width: 20px; height: 20px; display: grid; place-items: center; border: 1px solid #8da7ca; border-radius: 50%; color: #55739d; font-family: serif; font-weight: 700; }
.science-page .research-section--reverse .section__head, .science-page .research-section--reverse > .shell > .lead, .science-page .research-section--reverse .block-graphic { grid-column: 8 / -1; }
.science-page .research-section--reverse .photo-grid { grid-column: 1 / 8; }
.science-page .research-section--hydro .stat-row, .science-page .research-section--neuro .stat-row { margin-top: 34px; }

.science-page .science-media-section, .science-page .science-faq-section { padding: clamp(70px,8vw,108px) 0; }
.science-page .science-media-section { background: #071d41; color: #fff; }
.science-page .science-media-section .section__eyebrow { color: #8ee4cb; }
.science-page .science-media-section .section__icon { background: rgba(255,255,255,.1); color: #9ae9d3; }
.science-page .science-media-section .media-link { position: relative; min-height: 210px; padding: 30px; overflow: hidden; border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.07); color: #fff; box-shadow: none; }
.science-page .science-media-section .media-link::after { content: "↗"; position: absolute; right: 24px; bottom: 18px; color: rgba(255,255,255,.18); font-size: 58px; font-weight: 300; }
.science-page .science-media-section .media-link:hover { border-color: rgba(144,229,204,.48); background: rgba(255,255,255,.11); box-shadow: none; }
.science-page .science-media-section .media-link__source { color: #92e5cd; }
.science-page .science-media-section .media-link h3 { max-width: 78%; margin-top: 24px; font-family: "Geologica", sans-serif; font-size: clamp(20px,2.4vw,29px); }
.science-page .science-media-section .media-link .date { color: rgba(255,255,255,.55); }

.science-page .science-join-section { padding: clamp(72px,9vw,116px) 0; }
.science-page .science-join-section .section__head { display: none; }
.science-page .science-join-section .cta-block { position: relative; overflow: hidden; min-height: 340px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(34px,6vw,76px); border: 0; border-radius: 34px; background: linear-gradient(90deg, rgba(5,25,60,.97) 0%, rgba(7,38,78,.9) 54%, rgba(7,38,78,.2) 100%), url("../img/science/arctic-camp.c706149dbc3a.webp") center/cover; color: #fff; box-shadow: 0 30px 70px rgba(4,29,70,.2); }
.science-page .science-join-section .cta-block::before { content: "СТАТЬ ЧАСТЬЮ ИССЛЕДОВАНИЯ"; margin-bottom: 12px; color: #92e5cd; font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.science-page .science-join-section .cta-block::after { content: "Экспедиция начинается с заявки"; max-width: 600px; order: -1; margin-bottom: 16px; font-family: "Geologica", sans-serif; font-size: clamp(30px,4vw,54px); font-weight: 800; line-height: 1.04; letter-spacing: -.04em; }
.science-page .science-join-section .cta-block p { max-width: 660px; color: rgba(255,255,255,.73); font-size: 16px; }

.science-page .science-faq-section .faq details { padding: 21px 24px; border-color: rgba(18,72,144,.1); border-radius: 18px; box-shadow: 0 8px 28px rgba(9,41,88,.05); transition: background .2s, border-color .2s; }
.science-page .science-faq-section .faq details[open] { border-color: rgba(30,111,226,.26); background: #fafdff; }

.science-lightbox { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; background: rgba(3,14,35,.92); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.science-lightbox.is-open { opacity: 1; visibility: visible; }
.science-lightbox img { max-width: min(1120px, 92vw); max-height: 86vh; border-radius: 20px; box-shadow: 0 30px 90px rgba(0,0,0,.45); transform: scale(.96); transition: transform .3s; }
.science-lightbox.is-open img { transform: scale(1); }
.science-lightbox button { position: absolute; top: 22px; right: 22px; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; background: rgba(255,255,255,.1); color: #fff; font-size: 24px; cursor: pointer; }

@media (max-width: 980px) {
  .science-page .hero__panel-inner { grid-template-columns: 1fr .78fr; }
  .science-page .hero__visual { min-height: 400px; }
  .science-index__label { display: none; }
  .science-page .research-section .section__head, .science-page .research-section > .shell > .lead, .science-page .research-section .block-graphic, .science-page .research-section--reverse .section__head, .science-page .research-section--reverse > .shell > .lead, .science-page .research-section--reverse .block-graphic { grid-column: 1 / 7; }
  .science-page .research-section .photo-grid, .science-page .research-section--reverse .photo-grid { grid-column: 7 / -1; }
}

@media (max-width: 760px) {
  .science-page .hero { padding-bottom: 34px; }
  .science-page .hero__panel { min-height: 0; padding: 28px 22px 22px; border-radius: 26px; }
  .science-page .hero__panel-inner { display: block; min-height: 0; }
  .science-page .hero__panel h1 { font-size: clamp(39px,13vw,58px); }
  .science-page .hero__metrics { gap: 8px; }
  .science-page .hero__metrics strong { font-size: 18px; }
  .science-page .hero__metrics span { font-size: 8px; }
  .science-page .hero__visual { min-height: 330px; margin-top: 30px; }
  .science-page .hero__photo--main { inset: 0 12px 38px 0; }
  .science-page .hero__photo--secondary { right: -4px; width: 40%; }
  .science-page .hero__orbit { width: 104px; height: 104px; right: -30px; }
  .science-page .hero__lab-card { left: 8px; bottom: 12px; }
  .science-index { top: 76px; }
  .science-index__inner { width: 100%; min-height: 58px; padding: 0 12px; }
  .science-index a { padding: 9px 11px; }
  .science-page .research-section { padding: 70px 0; scroll-margin-top: 118px; }
  .science-page .research-section::before { top: 18px; font-size: 112px; }
  .science-page .research-section > .shell { display: block; }
  .science-page .research-section .section__head { margin-bottom: 14px; }
  .science-page .research-section > .shell > .lead { margin-bottom: 24px; }
  .science-page .research-section .photo-grid { display: grid; grid-template-columns: 1.3fr .7fr; grid-template-rows: repeat(3, 82px); min-height: 266px; margin-bottom: 16px; overflow: visible; }
  .science-page .research-section--field .photo-grid--compact { height: 220px; min-height: 220px; grid-template-rows: repeat(3, 1fr); }
  .science-page .research-section .photo-grid img { min-width: 0; max-height: none; }
  .science-page .research-section .photo-grid img:only-child { max-height: none; }
  .science-page .research-section .block-graphic { margin-bottom: 18px; }
  .science-page .research-section .stat-row { grid-template-columns: repeat(2, 1fr); margin-top: 20px; }
  .science-page .research-section .stat-chip { min-width: 0; min-height: 108px; padding: 19px; }
  .science-page .research-section .fact-list { grid-template-columns: 1fr; }
  .science-page .research-section .fact-list li { min-height: 0; padding: 18px 18px 18px 56px; }
  .science-page .research-section .fact-list li::before { left: 17px; top: 19px; }
  .science-page .science-media-section .media-link { min-height: 190px; }
  .science-page .science-join-section .cta-block { min-height: 410px; padding: 34px 24px; background-position: 62% center; }
  .science-page .science-join-section .cta-block::after { max-width: 300px; }
}

@media (prefers-reduced-motion: reduce) {
  .science-page .hero__orbit, .science-page .hero__eyebrow span { animation: none; }
}