:root {
  --text: #252527;
  --muted: #8a8a8f;
  --line: #e7e7e8;
  --soft: #f5f5f5;
  --accent: #6754ee;
  --luzhniki-lime: #d8e600;
  --content: 900px;
  --wide: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: #fff; font-family: "Manrope", Arial, sans-serif; font-size: 20px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.content { width: min(calc(100% - 40px), var(--content)); margin-inline: auto; }
.content-wide { width: min(calc(100% - 40px), var(--wide)); margin-inline: auto; }

.case-header { padding-top: 92px; }
.back-link { color: var(--muted); font-size: 14px; text-decoration: none; }
.back-link:hover { color: var(--text); }
.project-title { display: flex; gap: 16px; align-items: center; margin-top: 54px; }
.project-mark { width: 84px; height: 52px; flex: 0 0 auto; overflow: hidden; background: url("./assets/vivacrm-logo.svg") left center / auto 52px no-repeat; }
.project-title h1 { margin: 0; font-size: 30px; font-weight: 500; line-height: 1.15; }
.project-meta { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; }

.project-description { margin-top: 66px; }
h2, h3 { font-weight: 400; }
.project-description h2, .summary-box h2 { margin: 0 0 22px; color: var(--muted); font-size: 26px; line-height: 1.25; }
.project-description p { margin: 0; max-width: 820px; }
.summary-box { margin-top: 48px; padding: 38px 42px; background: var(--soft); border-radius: 26px; }
.summary-part > p { margin: 0 0 22px; }
.summary-part > p:last-child { margin-bottom: 0; }
.summary-role { margin-top: 42px; }
.summary-role h3 { margin: 0 0 18px; color: var(--muted); font-size: 26px; line-height: 1.25; font-weight: 400; }
.summary-role strong { font-weight: 500; }
.summary-role ul { margin-top: 22px; }

.case-section { padding-top: 96px; }
.case-section h2:not(.case-title) { margin: 0 0 28px; font-size: 36px; line-height: 1.16; letter-spacing: -.025em; font-weight: 400; }
.case-section h3 { margin: 0 0 20px; font-size: 28px; line-height: 1.25; }
.case-section p { margin: 0 0 24px; }
.case-section > p, .section-copy > p { max-width: 850px; }
ul { margin: 28px 0 0; padding-left: 24px; }
li { margin-bottom: 12px; padding-left: 8px; }
li::marker { color: var(--accent); }

.section-copy { margin-bottom: 38px; }
.section-copy.after-media { margin-top: 42px; }
.media-frame { margin: 0; }
.media-frame img { width: 100%; border-radius: 18px; }
.animation-frame iframe { display: block; width: 100%; aspect-ratio: 1.7067; border: 0; border-radius: 16px; background: white; }
.booking-animation iframe { aspect-ratio: 1536 / 900; pointer-events: none; overflow: hidden; }
.crm-animation iframe { aspect-ratio: 1470 / 908; pointer-events: none; overflow: hidden; }
.decisions { display: grid; gap: 34px; margin: 34px 0 0; padding: 0; list-style: none; }
.decisions li { margin: 0; padding: 0; }
.decisions strong { font-weight: 500; }
.decisions p { margin: 8px 0 0; color: var(--muted); }
.product-parts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 54px; }

.result-box { max-width: 850px; }
.result-box ul { margin-bottom: 0; }
.result-section { width: min(calc(100% - 40px), 1280px); margin: 96px auto 0; padding-bottom: 96px; overflow: hidden; background: var(--luzhniki-lime); border-radius: 32px; }
.result-section li::marker { color: var(--text); }
.result-media img { border-radius: 18px; }
.live-link-row { margin-top: 26px; }
.live-link { display: inline-flex; align-items: center; min-height: 56px; padding: 0 24px; color: white; background: var(--text); border-radius: 999px; font-size: 20px; font-weight: 500; text-decoration: none; }
.live-link:hover { background: #000; }
.result-summary { margin-top: 82px; }
.current-metric { display: grid; grid-template-columns: 260px 1fr; gap: 44px; align-items: end; margin: 48px 0 64px; }
.current-metric > strong { color: var(--text); font-size: clamp(76px, 12vw, 132px); font-weight: 500; line-height: .8; letter-spacing: -.07em; }
.current-metric span { display: block; font-size: 28px; line-height: 1.2; }
.current-metric p { margin: 14px 0 0; color: rgba(37, 37, 39, .68); }

/* Portfolio home */
.portfolio-home { min-height: 100vh; background: #f4f4f2; }
.portfolio-shell { width: min(calc(100% - 64px), 1280px); margin-inline: auto; padding: 72px 0 96px; }
.portfolio-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 520px); gap: 56px; align-items: end; padding: 0 0 112px; }
.portfolio-name { grid-column: 1 / -1; margin: 0 0 84px; font-size: 18px; font-weight: 500; }
.portfolio-hero h1 { max-width: 720px; margin: 0; font-size: clamp(54px, 7vw, 104px); font-weight: 400; line-height: .96; letter-spacing: -.06em; }
.portfolio-intro { margin: 0 0 7px; font-size: 22px; line-height: 1.45; }
.projects-section > h2 { margin: 0 0 28px; font-size: 18px; font-weight: 500; }
.projects-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; }
.project-card { position: relative; display: grid; grid-template-columns: minmax(300px, .85fr) minmax(0, 1.15fr); grid-column: 1 / -1; min-height: 650px; overflow: hidden; color: var(--text); border-radius: 30px; text-decoration: none; transition: transform .35s ease, box-shadow .35s ease; }
.project-card:hover { transform: translateY(-6px); box-shadow: 0 22px 52px rgba(37, 37, 39, .12); }
.project-card--viva { background: var(--luzhniki-lime); }
.project-card__copy { display: flex; flex-direction: column; justify-content: space-between; padding: 48px; }
.project-card__brand { display: flex; align-items: center; gap: 8px; }
.project-card__logo-mark { width: 62px; height: 40px; flex: 0 0 auto; background: url("./assets/vivacrm-logo.svg") left center / auto 40px no-repeat; }
.project-card__brand-name { color: #171717; font-size: 29px; font-weight: 600; line-height: 1; letter-spacing: -.045em; }
.project-card__subtitle { margin: 15px 0 0; color: rgba(37, 37, 39, .58); font-size: 17px; line-height: 1.4; }
.project-card__bottom { display: flex; flex-direction: column; align-items: flex-start; }
.project-card__description { max-width: 470px; margin: 0; font-size: clamp(22px, 2.25vw, 32px); line-height: 1.35; letter-spacing: -.025em; }
.project-card__link { display: inline-flex; align-items: center; justify-content: center; min-height: 58px; margin-top: 34px; padding: 0 28px; color: #fff; background: #171717; border-radius: 999px; font-size: 17px; font-weight: 500; }
.project-card__visual { display: flex; align-items: center; align-self: center; margin: 38px 38px 38px 0; padding: 0; overflow: visible; background: transparent; }
.project-card__visual iframe { display: block; width: 100%; aspect-ratio: 1470 / 908; border: 0; border-radius: 18px; background: #fff; box-shadow: 0 18px 46px rgba(0, 0, 0, .16); pointer-events: none; }

@media (max-width: 1040px) {
  .portfolio-hero { grid-template-columns: 1fr; gap: 32px; }
  .portfolio-hero h1 { max-width: 760px; }
  .portfolio-intro { max-width: 620px; }
}

@media (max-width: 760px) {
  .case-header { padding-top: 40px; }
  .project-title { margin-top: 42px; }
  .project-description { margin-top: 48px; }
  .summary-box { padding: 26px 22px; border-radius: 20px; }
  .case-section { padding-top: 70px; }
  .case-section h2:not(.case-title) { font-size: 30px; }
  .case-section h3 { font-size: 26px; }
  .product-parts { grid-template-columns: 1fr; gap: 30px; }
  .animation-frame iframe, .media-frame img { border-radius: 13px; }
  .result-section { width: calc(100% - 20px); margin-top: 70px; padding-bottom: 70px; border-radius: 24px; }
  .result-summary { margin-top: 62px; }
  .current-metric { grid-template-columns: 1fr; gap: 26px; margin: 40px 0 52px; }
  .current-metric > strong { font-size: 92px; }
  .portfolio-shell { width: min(calc(100% - 32px), 1280px); padding: 32px 0 64px; }
  .portfolio-hero { grid-template-columns: 1fr; gap: 32px; padding-bottom: 72px; }
  .portfolio-name { margin-bottom: 54px; }
  .portfolio-hero h1 { font-size: clamp(52px, 15vw, 74px); }
  .portfolio-intro { font-size: 18px; }
  .project-card { grid-template-columns: 1fr; min-height: auto; border-radius: 22px; }
  .project-card__copy { min-height: 480px; padding: 28px 24px; }
  .project-card__logo-mark { width: 56px; height: 36px; background-size: auto 36px; }
  .project-card__brand-name { font-size: 26px; }
  .project-card__subtitle { font-size: 15px; }
  .project-card__description { font-size: 23px; }
  .project-card__link { min-height: 54px; margin-top: 28px; padding: 0 24px; font-size: 16px; }
  .project-card__visual { margin: 0 16px 16px; padding: 0; }
  .project-card__visual iframe { border-radius: 12px; }
}