.competitions, .competitions * { box-sizing: border-box; }
.competitions { width: 100%; overflow: hidden; color: #292929; background: #f8f7f4; font-family: "Microsoft YaHei", Arial, sans-serif; }
.co-container { width: 84%; max-width: 1600px; margin: 0 auto; }
.co-section { padding: 86px 0 106px; }
.co-heading { margin-bottom: 54px; text-align: center; }
.co-heading > p { margin: 0 0 7px; color: #8792a1; font-size: 13px; letter-spacing: 4px; }
.co-heading h2 { margin: 0 0 14px; font-size: 46px; font-weight: 600; line-height: 1.3; }
.co-heading span { color: #777; font-size: 17px; }
.co-hero { min-height: 600px; background: #345061 url('/public/static/images/competitions/header.png') center / cover no-repeat; }
.co-hero__content { width: 80%; max-width: 1536px; padding-top: 92px; color: #fff; }
.co-hero__content > p { margin: 0 0 25px; font-size: 15px; font-weight: 600; line-height: 1.4; letter-spacing: 4px; }
.co-hero h1 { margin: 0 0 77px; font-size: 52px; font-weight: 600; line-height: 1.25; letter-spacing: 3px; }
.co-hero h2 { margin: 0 0 10px; font-size: 24px; font-weight: 500; line-height: 1.45; }
.co-hero__content > div { max-width: 900px; margin-left: 0; padding-left: 0; color: rgba(255,255,255,.82); font-size: 16px; line-height: 2; text-indent: 0; }
.co-advantages, .co-disciplines, .co-formats { background: #f8f7f4; }
.co-advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.co-advantage-grid article { min-height: 265px; padding: 34px 38px; border-right: 1px solid #242424; border-bottom: 1px solid #242424; }
.co-advantage-grid article:nth-child(3) { border-right: 0; }
.co-advantage-grid strong { display: block; margin-bottom: 16px; color: #16c797; font-size: 43px; font-weight: 400; line-height: 1; }
.co-advantage-grid h3 { margin: 0 0 16px; font-size: 24px; font-weight: 500; }
.co-advantage-grid p { margin: 0; color: #777; font-size: 15px; line-height: 1.8; }
.co-advantage-grid .co-advantage-wide { grid-column: span 2; border-right: 0; }
.co-advantage-wide a { display: inline-block; margin-top: 25px; color: #175b80; font-size: 13px; font-weight: 600; }
.co-process { background: #294b5c; }
.co-heading--light > p, .co-heading--light span { color: rgba(255,255,255,.6); }
.co-heading--light h2 { color: #fff; }
.co-process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.co-process-grid article { min-height: 350px; padding: 36px 34px; border-radius: 7px; background: #516d7c; color: #fff; transition: transform .2s ease, background .2s ease; }
.co-process-grid article:hover { transform: translateY(-5px); background: #5d7b8b; }
.co-process-grid strong { display: block; margin-bottom: 42px; font-size: 44px; font-weight: 500; }
.co-process-grid h3 { margin: 0 0 22px; font-size: 22px; line-height: 1.5; }
.co-process-grid p { margin: 0; color: rgba(255,255,255,.75); font-size: 15px; line-height: 1.85; }
.co-disciplines .co-container { max-width: 1400px; }
.co-discipline-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.co-discipline-grid article { min-height: 390px; padding: 38px 38px 30px; border: 1px solid #dededb; border-radius: 12px; background: linear-gradient(180deg, #eef8ff 0, #fff 27%, #fff 100%); transition: transform .2s ease, box-shadow .2s ease; }
.co-discipline-grid article:hover { transform: translateY(-4px); box-shadow: 0 14px 35px rgba(27, 48, 77, .09); }
.co-discipline-grid h3 { margin: 0 0 25px; font-size: 24px; font-weight: 500; }
.co-discipline-grid ul { margin: 0; padding: 0; list-style: none; }
.co-discipline-grid li { position: relative; margin-bottom: 12px; padding-left: 22px; color: #747474; font-size: 14px; line-height: 1.55; }
.co-discipline-grid li::before { content: "✓"; position: absolute; left: 0; color: #4e6b72; }
.co-formats .co-container { max-width: 1400px; }
.co-format { display: grid; grid-template-columns: 46% 1fr; gap: 58px; align-items: center; margin-bottom: 76px; }
.co-format img { display: block; width: 100%; border-radius: 3px; }
.co-format h3 { margin: 0 0 4px; font-size: 30px; font-weight: 500; }
.co-format h4 { margin: 0 0 18px; font-size: 18px; font-weight: 400; }
.co-format p { margin: 0 0 18px; color: #777; font-size: 15px; line-height: 1.85; }
.co-format .co-format__lead { padding-bottom: 17px; border-bottom: 1px solid #ddd; color: #1b5d82; font-weight: 600; }
@media (max-width: 1199px) { .co-process-grid { gap: 18px; } .co-process-grid article { padding: 30px 24px; } }
@media (max-width: 991px) {
  .co-section { padding: 70px 0 80px; }
  .co-advantage-grid, .co-discipline-grid { grid-template-columns: repeat(2, 1fr); }
  .co-advantage-grid article:nth-child(3) { border-right: 1px solid #242424; }
  .co-advantage-grid article:nth-child(2n) { border-right: 0; }
  .co-advantage-grid .co-advantage-wide { grid-column: auto; }
  .co-process-grid { grid-template-columns: repeat(2, 1fr); }
  .co-process-grid article { min-height: 280px; }
  .co-format { grid-template-columns: 1fr; gap: 30px; }
  .co-hero__content { width: 84%; padding-top: 75px; }
  .co-hero h1 { margin-bottom: 64px; }
}
@media (max-width: 767px) {
  .co-container { width: calc(100% - 32px); }
  .co-section { padding: 54px 0 62px; }
  .co-heading { margin-bottom: 34px; }
  .co-heading > p { font-size: 10px; letter-spacing: 2px; }
  .co-heading h2 { font-size: 28px; }
  .co-heading span { display: block; font-size: 13px; line-height: 1.7; }
  .co-hero { min-height: 470px; background-position: 60% center; }
  .co-hero__content { width: calc(100% - 32px); padding-top: 48px; }
  .co-hero__content > p { width: 90%; margin-bottom: 16px; font-size: 10px; line-height: 1.6; letter-spacing: 2px; }
  .co-hero h1 { margin-bottom: 58px; font-size: 34px; line-height: 1.3; letter-spacing: 1px; }
  .co-hero h2 { font-size: 20px; }
  .co-hero__content > div { font-size: 13px; line-height: 1.8; }
  .co-advantage-grid, .co-discipline-grid, .co-process-grid { grid-template-columns: 1fr; }
  .co-advantage-grid article, .co-advantage-grid article:nth-child(3) { min-height: 0; padding: 28px 8px; border-right: 0; }
  .co-advantage-grid strong { font-size: 36px; }
  .co-process-grid article { min-height: 0; padding: 28px; }
  .co-process-grid strong { margin-bottom: 23px; font-size: 35px; }
  .co-discipline-grid { gap: 16px; }
  .co-discipline-grid article { min-height: 0; padding: 28px 24px; }
  .co-format { margin-bottom: 55px; }
  .co-format h3 { font-size: 24px; }
  .co-format p { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) { .co-discipline-grid article { transition: none; } }
