:root {
  --page-ink: #18262d;
  --page-muted: #64747d;
  --page-line: rgba(77, 95, 105, 0.15);
  --page-surface: rgba(250, 252, 252, 0.82);
  --page-teal: #147b7e;
}

.platform-body { min-height: 100vh; color: var(--page-ink); }
.content-page { width: min(100% - 40px, 1080px); min-height: calc(100vh - 148px); margin: 0 auto; padding: 52px 0 78px; }
.content-heading { max-width: 720px; margin-bottom: 32px; text-align: left; }
.content-heading h1 { margin: 0; font-size: 38px; line-height: 1.15; letter-spacing: 0; }
.content-heading > p:last-child { margin: 14px 0 0; color: var(--page-muted); font-size: 15px; line-height: 1.7; }
.page-eyebrow { margin: 0 0 8px; color: var(--page-teal); font-size: 14px; font-weight: 800; text-transform: uppercase; }
.header-login {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid rgba(77, 95, 105, 0.15);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.72);
  color: #27363d;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}
.header-login:hover { background: #fff; }
.primary-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 7px;
  background: #182227;
  color: #fff;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 9px 24px rgba(24, 34, 39, 0.15);
}
.primary-link:hover { background: #27343a; transform: translateY(-1px); }

.analytics-loading,
.access-state,
.analytics-section,
.metric-band {
  border: 1px solid var(--page-line);
  border-radius: 8px;
  background: var(--page-surface);
  box-shadow: 0 18px 45px rgba(34, 49, 57, 0.055);
}
.analytics-loading { min-height: 150px; display: grid; align-content: center; gap: 14px; padding: 30px; }
.loading-line { width: 62%; height: 12px; border-radius: 4px; background: #dfe7e9; animation: softPulse 1.1s ease-in-out infinite alternate; }
.loading-line.short { width: 38%; }
.access-state { max-width: 760px; padding: 42px; text-align: left; }
.access-state h2 { margin: 0; font-size: 24px; }
.access-state > p:not(.page-eyebrow) { max-width: 560px; margin: 12px 0 24px; color: var(--page-muted); line-height: 1.65; }

.metric-band { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; }
.metric-item { min-height: 112px; display: flex; justify-content: center; flex-direction: column; padding: 24px; border-right: 1px solid var(--page-line); }
.metric-item:last-child { border-right: 0; }
.metric-label { color: var(--page-muted); font-size: 14px; }
.metric-value { margin-top: 7px; color: #17252c; font-size: 27px; line-height: 1; font-variant-numeric: tabular-nums; }

.analytics-section { margin-top: 18px; padding: 28px 30px 30px; }
.section-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-heading-row h2 { margin: 0; font-size: 21px; letter-spacing: 0; }
.section-meta { color: #77878f; font-size: 14px; }
.category-table { border-top: 1px solid var(--page-line); }
.category-row {
  min-height: 68px;
  display: grid;
  grid-template-columns: minmax(200px, 1.25fr) minmax(220px, 1fr) 120px;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--page-line);
}
.category-name { min-width: 0; display: grid; gap: 4px; }
.category-name strong { overflow: hidden; color: #26363e; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.category-name span,
.category-points { color: #7a8991; font-size: 14px; }
.category-progress { display: grid; grid-template-columns: minmax(80px, 1fr) 44px; align-items: center; gap: 12px; }
.category-progress strong { color: #3e5059; font-size: 14px; text-align: right; font-variant-numeric: tabular-nums; }
.category-track { height: 6px; overflow: hidden; border-radius: 3px; background: #e0e7e9; }
.category-fill { height: 100%; display: block; border-radius: inherit; background: #178a82; transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1); }
.category-points { text-align: right; font-variant-numeric: tabular-nums; }
.show-all-button { margin: 18px 0 0; padding: 0; border: 0; background: transparent; color: #116f72; font-size: 14px; font-weight: 750; box-shadow: none; }
.show-all-button:hover { text-decoration: underline; transform: none; }
.empty-copy { margin: 26px 0 0; color: var(--page-muted); }

.history-list { display: grid; gap: 10px; }
.history-item { overflow: hidden; border: 1px solid var(--page-line); border-radius: 7px; background: rgba(255, 255, 255, 0.55); }
.history-summary {
  width: 100%;
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(210px, 1.5fr) repeat(3, minmax(90px, 0.65fr)) 18px;
  align-items: center;
  gap: 18px;
  margin: 0;
  padding: 14px 18px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  box-shadow: none;
}
.history-summary:hover { background: rgba(235, 241, 242, 0.65); transform: none; }
.history-identity,
.history-stat { display: grid; gap: 4px; }
.history-identity strong { font-size: 14px; }
.history-identity span,
.history-stat span { color: #7a8991; font-size: 14px; }
.history-stat strong { color: #2b3c44; font-size: 14px; font-variant-numeric: tabular-nums; }
.history-chevron { width: 7px; height: 7px; border-right: 1.5px solid #6e7f88; border-bottom: 1.5px solid #6e7f88; transform: rotate(45deg); transition: transform 0.2s ease; }
.history-summary[aria-expanded="true"] .history-chevron { transform: rotate(225deg); }
.history-detail { padding: 28px 22px 24px; border-top: 1px solid var(--page-line); color: var(--page-muted); font-size: 14px; }
.detail-heading { margin: 0 0 12px; color: #26363e; font-size: 15px; }
.test-category-list { margin-bottom: 30px; border-top: 1px solid var(--page-line); }
.answer-review-list { border-top: 1px solid var(--page-line); }
.answer-review { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--page-line); }
.answer-marker { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid #b8c6cb; border-radius: 50%; color: #61727a; font-size: 14px; font-weight: 750; }
.answer-review.is-correct .answer-marker { border-color: #8bc9ad; background: #e6f4ed; color: #147047; }
.answer-review.is-wrong .answer-marker { border-color: #d7aaa6; background: #faecea; color: #a44039; }
.answer-review-content h4 { margin: 8px 0 12px; color: #293941; font-size: 14px; line-height: 1.55; }
.answer-review-meta { display: flex; flex-wrap: wrap; gap: 7px 14px; color: #819098; font-size: 14px; text-transform: uppercase; }
.answer-review-meta strong { margin-left: auto; color: #52646d; }
.answer-category { color: #117477; font-weight: 750; }
.answer-choice-lines { display: grid; gap: 6px; }
.answer-choice-lines p { margin: 0; color: #5b6d76; font-size: 14px; line-height: 1.5; }
.answer-choice-lines span { display: inline-block; min-width: 126px; color: #87949a; font-size: 14px; font-weight: 750; text-transform: uppercase; }
.answer-choice-lines .correct-choice { color: #176e4c; }
.answer-explanation { margin: 13px 0 0; padding-top: 12px; border-top: 1px dashed rgba(77, 95, 105, 0.18); color: #63747d; font-size: 14px; line-height: 1.6; }
.history-empty { padding: 26px 0 8px; }
.history-empty h3 { margin: 0; font-size: 17px; }
.history-empty p { margin: 8px 0 20px; color: var(--page-muted); }

/* About */
.about-page { width: min(100% - 40px, 1120px); margin: 0 auto; padding: 28px 0 80px; }
.about-hero {
  position: relative;
  min-height: 390px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding: 46px;
  border-radius: 8px;
  background: #090b0c url("/images/op-testy-social.jpg") center / cover no-repeat;
  color: #fff;
}
.about-hero::after { position: absolute; inset: 0; content: ""; background: rgba(0, 0, 0, 0.24); }
.about-hero-content { position: relative; z-index: 1; width: min(100%, 380px); margin-left: auto; }
.about-hero .page-eyebrow { color: #8ed6d2; }
.about-hero h1 { margin: 0; color: #fff; font-size: 38px; line-height: 1; letter-spacing: 0; }
.about-hero p:last-child { margin: 16px 0 0; color: rgba(255, 255, 255, 0.78); font-size: 16px; line-height: 1.6; }
.founder-section { display: grid; grid-template-columns: 0.8fr 1.5fr; gap: 70px; padding: 70px 12px; border-bottom: 1px solid var(--page-line); text-align: left; }
.founder-proof { align-self: start; padding: 6px 0 24px; border-bottom: 3px solid #17252c; }
.founder-proof strong { display: block; font-size: 62px; line-height: 1; }
.founder-proof span { display: block; margin-top: 9px; color: var(--page-muted); font-size: 14px; line-height: 1.5; }
.founder-story h2,
.offer-section h2 { margin: 0; font-size: 30px; line-height: 1.25; letter-spacing: 0; }
.founder-story p { margin: 18px 0 0; color: #566871; font-size: 15px; line-height: 1.8; }
.offer-section { padding: 64px 12px; text-align: left; }
.offer-heading { max-width: 690px; }
.offer-heading > p:last-child { margin: 14px 0 0; color: var(--page-muted); line-height: 1.7; }
.offer-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 42px; margin-top: 36px; border-top: 1px solid var(--page-line); }
.offer-item { display: grid; grid-template-columns: 36px 1fr; gap: 15px; padding: 24px 0; border-bottom: 1px solid var(--page-line); }
.offer-number { color: #15807d; font-size: 14px; font-weight: 800; }
.offer-item h3 { margin: 0; font-size: 16px; }
.offer-item p { margin: 7px 0 0; color: var(--page-muted); font-size: 14px; line-height: 1.6; }
.about-cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin: 0 12px; padding: 34px 0; border-top: 1px solid #17252c; border-bottom: 1px solid #17252c; }
.about-cta h2 { margin: 0; font-size: 23px; }
.about-cta p { margin: 7px 0 0; color: var(--page-muted); }

@keyframes softPulse { from { opacity: 0.48; } to { opacity: 0.95; } }

@media (max-width: 820px) {
  .content-page { width: min(100% - 24px, 1080px); padding: 34px 0 56px; }
  .content-heading h1 { font-size: 31px; }
  .metric-band { grid-template-columns: repeat(2, 1fr); }
  .metric-item:nth-child(2) { border-right: 0; }
  .metric-item:nth-child(-n+2) { border-bottom: 1px solid var(--page-line); }
  .category-row { grid-template-columns: minmax(160px, 1fr) minmax(180px, 0.9fr); gap: 16px; }
  .category-points { display: none; }
  .history-summary { grid-template-columns: minmax(190px, 1.3fr) repeat(2, 0.7fr) 18px; }
  .history-summary .history-stat:nth-of-type(4) { display: none; }
  .about-page { width: min(100% - 24px, 1120px); padding-top: 12px; }
  .about-hero { min-height: 360px; padding: 32px; }
  .about-hero h1 { font-size: 36px; }
  .founder-section { grid-template-columns: 1fr; gap: 34px; padding: 52px 8px; }
  .founder-proof { max-width: 220px; }
  .offer-section { padding: 52px 8px; }
}

@media (max-width: 560px) {
  .content-heading h1 { font-size: 28px; }
  .analytics-section { padding: 23px 18px; }
  .metric-item { min-height: 96px; padding: 18px; }
  .metric-value { font-size: 23px; }
  .section-heading-row { align-items: flex-start; flex-direction: column; gap: 6px; }
  .category-row { grid-template-columns: 1fr; gap: 10px; padding: 16px 0; }
  .category-progress { grid-template-columns: 1fr 44px; }
  .history-summary { grid-template-columns: 1fr 0.7fr 18px; gap: 12px; }
  .history-summary .history-stat:nth-of-type(n+3) { display: none; }
  .history-detail { padding: 22px 16px; }
  .test-category-list .category-row { grid-template-columns: 1fr; }
  .answer-review { grid-template-columns: 28px minmax(0, 1fr); gap: 10px; }
  .answer-marker { width: 26px; height: 26px; }
  .answer-choice-lines span { display: block; min-width: 0; margin-bottom: 2px; }
  .about-hero { min-height: 330px; padding: 24px; background-position: 58% center; }
  .about-hero {
    background-position: center top;
    background-size: 100% auto;
  }
  .about-hero::after { display: none; }
  .about-hero-content { width: 100%; margin-left: 0; }
  .about-hero .page-eyebrow { display: none; }
  .about-hero h1 { font-size: 34px; }
  .about-hero p:last-child { font-size: 14px; }
  .founder-proof strong { font-size: 52px; }
  .founder-story h2,
  .offer-section h2 { font-size: 25px; }
  .offer-list { grid-template-columns: 1fr; }
  .about-cta { align-items: flex-start; flex-direction: column; }
  .about-cta .primary-link { width: 100%; }
}

/* Premium about page */
.about-body {
  --about-ink: #0b1518;
  --about-ink-soft: #142428;
  --about-paper: #f4f5f1;
  --about-cream: #e8e5dc;
  --about-teal: #62c5bc;
  --about-teal-deep: #0d7774;
  background: var(--about-paper);
}
.about-page { width: 100%; margin: 0; padding: 0; overflow: hidden; }
.about-kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: #7cd3ca; font-size: 14px; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; }
.about-kicker span { width: 26px; height: 1px; background: currentColor; }
.about-kicker.dark { color: var(--about-teal-deep); }
.about-hero {
  width: min(calc(100% - 32px), 1440px);
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(380px, 0.65fr);
  align-items: stretch;
  gap: 72px;
  margin: 16px auto 0;
  padding: 86px clamp(38px, 6vw, 92px) 62px;
  overflow: hidden;
  border-radius: 14px;
  background:
    radial-gradient(circle at 72% 16%, rgba(58, 142, 137, 0.18), transparent 31%),
    linear-gradient(145deg, #071013 0%, #0d1a1e 62%, #11262a 100%);
  color: #fff;
}
.about-hero::before { position: absolute; width: 520px; height: 520px; right: -260px; bottom: -280px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; content: ""; box-shadow: 0 0 0 70px rgba(255,255,255,.018), 0 0 0 140px rgba(255,255,255,.012); }
.about-hero::after { display: none; }
.about-hero-copy { position: relative; z-index: 1; align-self: center; max-width: 780px; }
.about-hero h1 { margin: 0; color: #f7f7f2; font-size: clamp(48px, 5.25vw, 82px); font-weight: 540; line-height: 1.02; letter-spacing: -0.045em; }
.about-hero h1 em { color: #83d6ce; font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.about-hero-lead { max-width: 620px; margin: 28px 0 0; color: rgba(238, 243, 241, 0.68); font-size: 17px; line-height: 1.75; }
.about-hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 42px; }
.about-button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 0 22px; border-radius: 4px; font-size: 14px; font-weight: 800; letter-spacing: .04em; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.about-button:hover { transform: translateY(-2px); }
.about-button-primary { background: #76cec5; color: #071416; }
.about-button-primary:hover { background: #91ddd6; }
.about-text-link { color: rgba(255,255,255,.72); font-size: 14px; font-weight: 700; text-decoration: none; }
.about-text-link span { margin-left: 8px; color: #7bd1c8; }
.about-hero-panel { position: relative; z-index: 1; align-self: end; padding: 24px 0 0; border-top: 1px solid rgba(255,255,255,.18); }
.hero-panel-top, .hero-panel-foot { display: flex; justify-content: space-between; color: rgba(255,255,255,.43); font-size: 14px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.hero-route { margin: 22px 0 18px; padding: 0; list-style: none; }
.hero-route li { position: relative; min-height: 78px; display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 13px; border-bottom: 1px solid rgba(255,255,255,.1); }
.hero-route li::before { position: absolute; left: 11px; top: 51px; width: 1px; height: 54px; background: rgba(123,209,200,.32); content: ""; }
.hero-route li:last-child::before { display: none; }
.route-index { width: 23px; height: 23px; display: grid; place-items: center; border: 1px solid rgba(123,209,200,.5); border-radius: 50%; color: #7bd1c8; font-size: 14px; }
.hero-route strong, .hero-route small { display: block; }
.hero-route strong { font-size: 14px; font-weight: 650; }
.hero-route small { margin-top: 5px; color: rgba(255,255,255,.42); font-size: 14px; }
.hero-route b { color: #f4f5f0; font-size: 17px; font-weight: 500; }
.hero-route .route-final b { color: #7bd1c8; font-size: 28px; }
.about-metrics { width: min(calc(100% - 64px), 1260px); display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 auto; padding: 42px 0; border-bottom: 1px solid rgba(14,35,39,.14); }
.about-metrics div { min-height: 72px; display: flex; flex-direction: column; justify-content: center; padding: 0 28px; border-right: 1px solid rgba(14,35,39,.13); }
.about-metrics div:first-child { padding-left: 0; }
.about-metrics div:last-child { border-right: 0; }
.about-metrics strong { color: var(--about-ink); font-family: Georgia, "Times New Roman", serif; font-size: 31px; font-weight: 400; line-height: 1; }
.about-metrics span { margin-top: 10px; color: #728085; font-size: 14px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.about-intro, .test-importance, .founder-section, .about-sources { width: min(calc(100% - 64px), 1260px); display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 50px; margin: 0 auto; padding: 112px 0; }
.section-marker { display: grid; grid-template-columns: auto 1fr; align-content: start; align-items: center; gap: 8px; padding-top: 4px; color: #849094; }
.section-marker span { color: var(--about-teal-deep); font-size: 14px; font-weight: 800; }
.section-marker i { height: 1px; background: rgba(14,35,39,.18); }
.section-marker small { grid-column: 1 / -1; font-size: 14px; font-style: normal; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.about-intro-main { max-width: 1000px; }
.about-intro h2, .test-importance h2, .founder-story h2, .about-sources h2 { max-width: 850px; margin: 0; color: var(--about-ink); font-size: clamp(36px, 4vw, 58px); font-weight: 520; line-height: 1.08; letter-spacing: -.038em; }
.about-columns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 54px; margin-top: 42px; }
.about-columns p { margin: 0; color: #5b696e; font-size: 14px; line-height: 1.9; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 64px; border-top: 1px solid rgba(14,35,39,.16); border-bottom: 1px solid rgba(14,35,39,.16); }
.benefit-grid article { min-height: 220px; padding: 30px 28px 30px 0; border-right: 1px solid rgba(14,35,39,.14); }
.benefit-grid article + article { padding-left: 28px; }
.benefit-grid article:last-child { border-right: 0; }
.benefit-icon { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid rgba(13,119,116,.35); border-radius: 50%; color: var(--about-teal-deep); font-size: 14px; font-weight: 800; }
.benefit-grid h3 { margin: 32px 0 10px; color: var(--about-ink); font-size: 15px; }
.benefit-grid p { margin: 0; color: #718085; font-size: 14px; line-height: 1.7; }
.stages-section { display: grid; grid-template-columns: minmax(100px, 150px) minmax(0, 1fr); gap: 50px; padding: 110px max(32px, calc((100vw - 1260px)/2)); background: var(--about-ink); color: #fff; }
.section-marker-light { color: rgba(255,255,255,.35); }
.section-marker-light span { color: #79d0c7; }
.section-marker-light i { background: rgba(255,255,255,.16); }
.stages-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; margin-bottom: 60px; }
.stages-heading h2 { margin: 0; color: #f5f5ef; font-size: clamp(39px, 4vw, 58px); font-weight: 520; line-height: 1.08; letter-spacing: -.04em; }
.stages-heading > p { max-width: 365px; margin: 0; color: rgba(255,255,255,.42); font-size: 14px; line-height: 1.7; }
.stage-list { margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.15); list-style: none; }
.stage-card { display: grid; grid-template-columns: 74px minmax(260px, 1fr) minmax(290px, .72fr); gap: 34px; align-items: center; padding: 38px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.stage-number { color: #6dc8bf; font-family: Georgia, "Times New Roman", serif; font-size: 30px; }
.stage-label { margin: 0 0 6px; color: #68bdb5; font-size: 14px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.stage-copy h3 { margin: 0; font-size: 22px; font-weight: 560; }
.stage-copy > p:last-child { max-width: 570px; margin: 12px 0 0; color: rgba(255,255,255,.5); font-size: 14px; line-height: 1.75; }
.stage-card dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; }
.stage-card dl div { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.14); }
.stage-card dt { color: rgba(255,255,255,.35); font-size: 14px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.stage-card dd { margin: 8px 0 0; color: #e8eeeb; font-size: 14px; font-weight: 650; }
.scoring-note { display: grid; grid-template-columns: 220px 220px 1fr; gap: 0; margin-top: 48px; border: 1px solid rgba(114,207,198,.3); background: rgba(255,255,255,.025); }
.scoring-note > div { display: grid; grid-template-columns: auto auto; align-items: baseline; gap: 7px 12px; padding: 25px 26px; border-right: 1px solid rgba(255,255,255,.12); }
.scoring-note span { grid-column: 1 / -1; color: rgba(255,255,255,.42); font-size: 14px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.scoring-note strong { color: #7bd2c9; font-size: 22px; font-weight: 500; }
.scoring-note strong.minus { color: #e9b5a7; }
.scoring-note small { color: rgba(255,255,255,.35); font-size: 14px; }
.scoring-note > p { align-self: center; margin: 0; padding: 25px 30px; color: rgba(255,255,255,.47); font-size: 14px; line-height: 1.7; }
.scoring-note > p strong { display: block; margin-bottom: 3px; color: #f3f4ef; font-size: 14px; }
.test-importance { grid-template-columns: 150px minmax(0, 1fr) 310px; align-items: end; border-bottom: 1px solid rgba(14,35,39,.14); }
.importance-content > p:not(.about-kicker) { max-width: 720px; margin: 32px 0 0; color: #59686d; font-size: 14px; line-height: 1.9; }
.importance-content blockquote { margin: 42px 0 0; padding: 0 0 0 24px; border-left: 2px solid var(--about-teal-deep); color: #26383d; font-family: Georgia, "Times New Roman", serif; font-size: 21px; font-style: italic; line-height: 1.55; }
.importance-card { min-height: 330px; display: flex; flex-direction: column; padding: 28px; background: #e2e5df; }
.importance-card > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--about-ink); color: #72cbc2; font-size: 14px; font-weight: 800; }
.importance-card p { margin: auto 0 30px; color: #405156; font-size: 14px; line-height: 1.75; }
.importance-card a { display: flex; justify-content: space-between; padding-top: 17px; border-top: 1px solid rgba(14,35,39,.18); color: var(--about-ink); font-size: 14px; font-weight: 800; text-decoration: none; }
.founder-section { grid-template-columns: minmax(340px, .85fr) minmax(0, 1.15fr); gap: clamp(55px, 8vw, 120px); align-items: center; padding-top: 130px; padding-bottom: 130px; border: 0; }
.founder-portrait { position: relative; aspect-ratio: .87; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg, #14282c, #071013); color: rgba(255,255,255,.055); font-family: Georgia, "Times New Roman", serif; font-size: clamp(110px, 14vw, 190px); }
.founder-portrait::after { position: absolute; inset: 28px; border: 1px solid rgba(255,255,255,.1); content: ""; }
.founder-portrait div { position: absolute; right: 0; bottom: 0; width: 134px; height: 134px; display: flex; flex-direction: column; justify-content: center; padding-left: 28px; background: #72cac1; color: #071416; }
.founder-portrait strong { font-family: inherit; font-size: 40px; font-weight: 400; line-height: 1; }
.founder-portrait small { margin-top: 5px; font-family: Arial, sans-serif; font-size: 14px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.founder-story .about-kicker { color: var(--about-teal-deep); }
.founder-story h2 { font-size: clamp(36px, 3.7vw, 54px); }
.founder-story p { margin: 20px 0 0; color: #617075; font-size: 14px; line-height: 1.85; }
.founder-story p.founder-lead { margin-top: 34px; color: #2b3d42; font-family: Georgia, "Times New Roman", serif; font-size: 18px; line-height: 1.65; }
.founder-signature { display: flex; flex-direction: column; margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(14,35,39,.15); }
.founder-signature span { color: var(--about-ink); font-family: Georgia, "Times New Roman", serif; font-size: 19px; font-style: italic; }
.founder-signature small { margin-top: 4px; color: #849094; font-size: 14px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.about-cta { width: min(calc(100% - 32px), 1440px); min-height: 370px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 100px; align-items: center; margin: 0 auto; padding: 70px clamp(40px, 7vw, 100px); border: 0; border-radius: 12px; background: #0b171a; color: #fff; }
.about-cta h2 { margin: 0; color: #f5f5ef; font-size: clamp(42px, 4.5vw, 64px); font-weight: 520; line-height: 1.05; letter-spacing: -.04em; }
.about-cta > div:last-child > p { max-width: 390px; margin: 0 0 30px; color: rgba(255,255,255,.5); font-size: 14px; line-height: 1.8; }
.about-button-light { background: #f3f3ed; color: #0b171a; }
.about-button-light:hover { background: #fff; }
.about-sources { grid-template-columns: 1fr 1.2fr; gap: 80px; padding-top: 90px; padding-bottom: 44px; }
.about-sources h2 { font-size: 34px; }
.source-links { border-top: 1px solid rgba(14,35,39,.17); }
.source-links a { min-height: 62px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(14,35,39,.14); color: #2c3d42; font-size: 14px; font-weight: 650; text-decoration: none; }
.source-links a:hover { color: var(--about-teal-deep); }
.source-links b { font-size: 14px; font-weight: 400; }
.legal-note { grid-column: 1 / -1; margin: 10px 0 0; padding-top: 26px; border-top: 1px solid rgba(14,35,39,.14); color: #899397; font-size: 14px; line-height: 1.7; }

@media (max-width: 1050px) {
  .about-hero { grid-template-columns: 1fr 340px; gap: 38px; padding-right: 45px; padding-left: 45px; }
  .about-intro, .test-importance, .about-sources { grid-template-columns: 110px minmax(0, 1fr); gap: 32px; }
  .stages-section { grid-template-columns: 110px minmax(0, 1fr); gap: 32px; }
  .test-importance .importance-card { grid-column: 2; min-height: 220px; margin-top: 10px; }
  .stage-card { grid-template-columns: 50px 1fr; }
  .stage-card dl { grid-column: 2; }
  .scoring-note { grid-template-columns: 190px 190px 1fr; }
}

@media (max-width: 820px) {
  .about-hero { min-height: auto; grid-template-columns: 1fr; margin-top: 8px; padding: 64px 32px 38px; }
  .about-hero-panel { width: 100%; max-width: 520px; }
  .about-hero h1 { font-size: clamp(44px, 10vw, 68px); }
  .about-metrics { width: min(calc(100% - 32px), 1260px); grid-template-columns: repeat(2, 1fr); }
  .about-metrics div { padding: 20px; }
  .about-metrics div:nth-child(2) { border-right: 0; }
  .about-metrics div:nth-child(-n+2) { border-bottom: 1px solid rgba(14,35,39,.13); }
  .about-intro, .test-importance, .about-sources { width: min(calc(100% - 40px), 1260px); grid-template-columns: 1fr; gap: 28px; padding: 78px 0; }
  .section-marker { grid-template-columns: auto 90px; }
  .about-columns { gap: 30px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-grid article, .benefit-grid article + article { min-height: 0; padding: 24px 0; border-right: 0; border-bottom: 1px solid rgba(14,35,39,.14); }
  .benefit-grid article:last-child { border-bottom: 0; }
  .benefit-grid h3 { margin-top: 18px; }
  .stages-section { grid-template-columns: 1fr; padding: 78px 24px; }
  .stages-heading { align-items: flex-start; flex-direction: column; gap: 24px; }
  .scoring-note { grid-template-columns: repeat(2, 1fr); }
  .scoring-note > p { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.12); }
  .test-importance .importance-card { grid-column: 1; }
  .founder-section { width: min(calc(100% - 40px), 1260px); grid-template-columns: 1fr; padding: 80px 0; }
  .founder-portrait { max-width: 520px; }
  .about-cta { grid-template-columns: 1fr; gap: 38px; padding: 64px 40px; }
  .about-sources { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .about-hero { width: calc(100% - 16px); padding: 52px 22px 28px; border-radius: 9px; background: radial-gradient(circle at 85% 10%, rgba(58,142,137,.2), transparent 32%), linear-gradient(150deg, #071013, #102328); }
  .about-hero h1 { font-size: 42px; }
  .about-hero-lead { margin-top: 22px; font-size: 14px; }
  .about-hero-actions { align-items: stretch; flex-direction: column; gap: 18px; margin-top: 30px; }
  .about-button { width: 100%; }
  .about-text-link { text-align: center; }
  .about-hero-panel { padding-top: 18px; }
  .hero-route li { grid-template-columns: 32px 1fr auto; }
  .hero-route small { max-width: 160px; }
  .about-metrics { width: calc(100% - 24px); padding: 20px 0; }
  .about-metrics div, .about-metrics div:first-child { padding: 17px 12px; }
  .about-metrics strong { font-size: 25px; }
  .about-metrics span { font-size: 14px; line-height: 1.5; }
  .about-intro, .test-importance, .founder-section, .about-sources { width: calc(100% - 32px); padding: 62px 0; }
  .about-intro h2, .test-importance h2, .founder-story h2 { font-size: 34px; }
  .about-columns { grid-template-columns: 1fr; gap: 18px; margin-top: 30px; }
  .benefit-grid { margin-top: 40px; }
  .stage-card { grid-template-columns: 38px 1fr; gap: 18px; padding: 28px 0; }
  .stage-number { font-size: 23px; }
  .stage-card dl { grid-template-columns: 1fr; gap: 10px; }
  .stage-card dl div { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-left: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .stage-card dd { margin: 0; }
  .scoring-note { grid-template-columns: 1fr; }
  .scoring-note > div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .scoring-note > p { grid-column: auto; }
  .importance-content blockquote { font-size: 18px; }
  .founder-portrait { aspect-ratio: 1; }
  .about-cta { width: calc(100% - 16px); min-height: 0; padding: 52px 24px; border-radius: 9px; }
  .about-cta h2 { font-size: 39px; }
  .about-sources { gap: 36px; }
  .legal-note { margin-top: 0; }
}