/* ==========================================================================
   YieldYearn Sports — design system
   Deep blue + orange + white, scoreboard-inspired cards.
   ========================================================================== */

:root {
  --navy-900: #081a33;
  --navy-800: #0b2545;
  --navy-700: #123363;
  --navy-600: #1a4480;
  --navy-100: #e8edf6;
  --orange-600: #e85d00;
  --orange-500: #ff7a1a;
  --orange-400: #ff9a4d;
  --orange-100: #fff1e5;
  --white: #ffffff;
  --gray-50: #f6f8fb;
  --gray-100: #eef1f6;
  --gray-200: #dde3ec;
  --gray-400: #96a2b5;
  --gray-600: #5b6779;
  --gray-800: #28303d;
  --success: #1a8f5e;
  --error: #c0392b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(8, 26, 51, .08);
  --shadow-md: 0 8px 24px rgba(8, 26, 51, .12);
  --shadow-lg: 0 18px 44px rgba(8, 26, 51, .18);
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--navy-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--navy-700); text-decoration-color: rgba(26,68,128,.35); }
a:hover { color: var(--orange-600); }
a:focus-visible, button:focus-visible, input:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--orange-500);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.18;
  color: var(--navy-900);
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--navy-900); color: #fff; padding: 10px 16px;
  z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--font-display);
  font-weight: 600; letter-spacing: .02em;
  padding: .85em 1.6em;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--accent { background: var(--orange-500); color: #fff; box-shadow: var(--shadow-sm); }
.btn--accent:hover { background: var(--orange-600); color: #fff; }
.btn--navy { background: var(--navy-800); color: #fff; }
.btn--navy:hover { background: var(--navy-700); color: #fff; }
.btn--outline { background: transparent; border-color: var(--navy-800); color: var(--navy-800); }
.btn--outline:hover { background: var(--navy-800); color: #fff; }
.btn--outline-light { background: transparent; border-color: rgba(255,255,255,.65); color: #fff; }
.btn--outline-light:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn--sm { padding: .55em 1.2em; font-size: .9rem; }
.btn--block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.icon { width: 22px; height: 22px; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: transparent; border: none; color: var(--navy-800); cursor: pointer;
}
.icon-btn:hover { background: var(--navy-100); color: var(--orange-600); }

/* ---------- Header ---------- */
.site-header {
  background: var(--navy-900);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__text {
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
  color: #fff; letter-spacing: .01em;
}
.brand__text--footer { color: var(--navy-900); }
.brand__accent { color: var(--orange-500); }
.main-nav ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.main-nav a {
  color: rgba(255,255,255,.88); text-decoration: none; font-weight: 500;
  font-size: .98rem; padding: 6px 2px; border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: #fff; border-color: var(--orange-500); }
.site-header__actions { display: flex; align-items: center; gap: 6px; }
.site-header__actions .icon-btn { color: #fff; }
.site-header__actions .icon-btn:hover { background: rgba(255,255,255,.1); color: var(--orange-400); }
.nav-toggle { display: none; }
.mobile-nav { display: none; background: var(--navy-800); }
.mobile-nav ul { list-style: none; margin: 0; padding: 10px 20px 18px; display: flex; flex-direction: column; }
.mobile-nav a { color: #fff; text-decoration: none; padding: 10px 0; display: block; border-bottom: 1px solid rgba(255,255,255,.08); }

@media (max-width: 860px) {
  .main-nav { display: none; }
  .site-header__actions .btn--accent { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav.is-open { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: #fff;
  padding: 64px 0 76px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 85% 20%, rgba(255,122,26,.18), transparent 45%),
                     radial-gradient(circle at 10% 90%, rgba(255,122,26,.12), transparent 40%);
  pointer-events: none;
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase;
  background: rgba(255,122,26,.16); color: var(--orange-400);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { color: #fff; margin-bottom: .4em; }
.hero p.lead { font-size: 1.1rem; color: rgba(255,255,255,.82); max-width: 46ch; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero__stats { display: flex; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.hero__stat strong { display: block; font-family: var(--font-display); font-size: 1.8rem; color: var(--orange-400); }
.hero__stat span { font-size: .85rem; color: rgba(255,255,255,.7); }

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; }
}

/* ---------- Scoreboard panel (hero decoration) ---------- */
.scoreboard {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-lg);
}
.scoreboard__row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 6px; border-bottom: 1px dashed rgba(255,255,255,.14);
}
.scoreboard__row:last-child { border-bottom: none; }
.scoreboard__team { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; }
.scoreboard__team .icon { width: 20px; height: 20px; color: var(--orange-400); }
.scoreboard__score {
  font-family: var(--font-display); font-size: 1.4rem; color: var(--orange-400);
  background: rgba(255,122,26,.12); border-radius: 8px; padding: 2px 12px;
  min-width: 46px; text-align: center;
}

/* ---------- Section ---------- */
.section { padding: 64px 0; }
.section--muted { background: var(--gray-50); }
.section__head { max-width: 680px; margin: 0 auto 36px; text-align: center; }
.section__head p { color: var(--gray-600); }
.section__head--left { text-align: left; margin: 0 0 32px; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 22px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 980px) { .grid--4 { grid-template-columns: repeat(2, 1fr); } .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-md);
  padding: 24px; box-shadow: var(--shadow-sm); transition: box-shadow .15s ease, transform .15s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.category-card {
  display: flex; flex-direction: column; gap: 14px;
  text-decoration: none; color: inherit;
  background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-md);
  padding: 24px; position: relative; overflow: hidden;
  transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease;
}
.category-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--orange-400); color: inherit; }
.category-card__icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--navy-800); color: var(--orange-400);
  display: flex; align-items: center; justify-content: center;
}
.category-card__icon .icon { width: 28px; height: 28px; }
.category-card h3 { margin-bottom: .2em; }
.category-card__count { color: var(--gray-600); font-size: .9rem; }
.category-card__bar { height: 4px; border-radius: 4px; background: var(--orange-500); width: 40%; }

.article-card {
  display: flex; flex-direction: column; gap: 10px;
  text-decoration: none; color: inherit;
  background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-md);
  padding: 22px; transition: box-shadow .15s ease, transform .15s ease;
}
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); color: inherit; }
.article-card__tag {
  align-self: flex-start;
  font-family: var(--font-display); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase;
  background: var(--orange-100); color: var(--orange-600); padding: 4px 10px; border-radius: 999px;
}
.article-card h3 { font-size: 1.1rem; margin-bottom: .1em; }
.article-card p { color: var(--gray-600); font-size: .94rem; margin: 0; }
.article-card__meta { color: var(--gray-400); font-size: .82rem; margin-top: auto; }

/* ---------- Quiz ---------- */
.quiz-app { padding: 40px 0 80px; }
.quiz-shell {
  background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); overflow: hidden;
}
.quiz-shell__head {
  background: var(--navy-900); color: #fff; padding: 26px 30px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.quiz-shell__head h1, .quiz-shell__head h2 { color: #fff; margin: 0; }
.quiz-shell__body { padding: 34px 30px; }

[data-screen] { display: none; }
[data-screen].is-active { display: block; animation: fadein .25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.option-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 22px 0 10px; }
@media (max-width: 640px) { .option-grid { grid-template-columns: 1fr; } }
.option-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  text-align: left; background: var(--gray-50); border: 2px solid var(--gray-200);
  border-radius: var(--radius-md); padding: 18px; cursor: pointer; font: inherit; color: inherit;
}
.option-card:hover { border-color: var(--orange-400); background: var(--orange-100); }
.option-card.is-selected { border-color: var(--navy-800); background: var(--navy-100); }
.option-card strong { font-family: var(--font-display); font-size: 1.05rem; }
.option-card span { color: var(--gray-600); font-size: .88rem; }

.progress-bar { height: 10px; background: var(--gray-200); border-radius: 999px; overflow: hidden; margin: 6px 0 24px; }
.progress-bar__fill { height: 100%; background: linear-gradient(90deg, var(--orange-500), var(--orange-400)); border-radius: 999px; transition: width .3s ease; }
.progress-meta { display: flex; justify-content: space-between; font-size: .85rem; color: var(--gray-600); margin-bottom: 4px; }

.question-card h2 { font-size: 1.35rem; }
.answer-list { list-style: none; margin: 22px 0; padding: 0; display: grid; gap: 12px; }
.answer-btn {
  width: 100%; text-align: left; display: flex; align-items: center; gap: 12px;
  background: #fff; border: 2px solid var(--gray-200); border-radius: var(--radius-md);
  padding: 16px 18px; font: inherit; font-size: 1rem; color: var(--navy-900); cursor: pointer;
  transition: border-color .12s ease, background .12s ease;
}
.answer-btn:hover:not(:disabled) { border-color: var(--navy-600); }
.answer-btn__letter {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%;
  background: var(--navy-100); color: var(--navy-800); font-family: var(--font-display);
  display: flex; align-items: center; justify-content: center; font-size: .9rem;
}
.answer-btn.is-correct { border-color: var(--success); background: #eafbf3; }
.answer-btn.is-correct .answer-btn__letter { background: var(--success); color: #fff; }
.answer-btn.is-wrong { border-color: var(--error); background: #fdeceb; }
.answer-btn.is-wrong .answer-btn__letter { background: var(--error); color: #fff; }
.answer-btn:disabled { cursor: default; }
.answer-btn:disabled:not(.is-correct):not(.is-wrong) { opacity: .55; }

.feedback-panel {
  margin-top: 18px; padding: 18px 20px; border-radius: var(--radius-md);
  background: var(--gray-50); border: 1px solid var(--gray-200); display: none;
}
.feedback-panel.is-visible { display: block; animation: fadein .2s ease; }
.feedback-panel__status { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 600; margin-bottom: 8px; }
.feedback-panel__status.correct { color: var(--success); }
.feedback-panel__status.wrong { color: var(--error); }
.feedback-panel__status .icon { width: 20px; height: 20px; }
.feedback-panel__source { font-size: .85rem; color: var(--gray-600); margin-top: 8px; }
.feedback-panel__article { font-size: .9rem; margin-top: 10px; }

.quiz-footer-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 24px; gap: 12px; flex-wrap: wrap; }

.setup-group { margin-bottom: 28px; }
.setup-group h3 { margin-bottom: 12px; }
.pill-group { display: flex; gap: 10px; flex-wrap: wrap; }
.pill {
  border: 2px solid var(--gray-200); background: #fff; border-radius: 999px; padding: 10px 20px;
  font: inherit; font-weight: 600; cursor: pointer; color: var(--navy-900);
}
.pill.is-active { border-color: var(--navy-800); background: var(--navy-800); color: #fff; }

.result-score {
  text-align: center; padding: 20px 0 10px;
}
.result-score__ring {
  width: 160px; height: 160px; border-radius: 50%; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  background: conic-gradient(var(--orange-500) calc(var(--pct, 0) * 1%), var(--gray-200) 0);
  position: relative;
}
.result-score__ring::before {
  content: ""; position: absolute; inset: 10px; border-radius: 50%; background: #fff;
}
.result-score__ring strong { position: relative; font-family: var(--font-display); font-size: 2rem; color: var(--navy-900); }
.result-score__ring span { position: relative; font-size: .8rem; color: var(--gray-600); }
.result-categories { display: grid; gap: 10px; margin: 28px 0; }
.result-category-row {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-sm); padding: 10px 16px;
}
.result-category-row__bar { flex: 1; height: 8px; background: var(--gray-200); border-radius: 999px; margin: 0 14px; overflow: hidden; }
.result-category-row__bar span { display: block; height: 100%; background: var(--navy-700); }

.review-item { border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 18px 20px; margin-bottom: 14px; }
.review-item__q { font-weight: 600; margin-bottom: 8px; }
.review-item__tag { font-size: .78rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.review-item__tag.correct { background: #eafbf3; color: var(--success); }
.review-item__tag.wrong { background: #fdeceb; color: var(--error); }

.daily-banner {
  background: linear-gradient(120deg, var(--navy-800), var(--navy-600));
  color: #fff; border-radius: var(--radius-lg); padding: 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.daily-banner h2 { color: #fff; }
.daily-banner p { color: rgba(255,255,255,.82); margin: 0; }

/* ---------- Article ---------- */
.article-head { background: var(--navy-900); color: #fff; padding: 46px 0 40px; }
.article-head h1 { color: #fff; }
.article-head__meta { color: rgba(255,255,255,.7); font-size: .9rem; display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; }
.article-body { max-width: 760px; margin: 0 auto; padding: 48px 20px 60px; }
.article-body .lead { font-size: 1.15rem; color: var(--gray-800); font-weight: 500; }
.article-body h2 { margin-top: 1.6em; }
.article-body ul, .article-body ol { padding-left: 1.3em; }
.article-body li { margin-bottom: .4em; }
.article-aside {
  background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-md);
  padding: 20px 22px; margin: 28px 0;
}

.breadcrumbs { font-size: .85rem; color: var(--gray-600); margin-bottom: 14px; }
.breadcrumbs a { color: var(--gray-600); text-decoration: none; }
.breadcrumbs a:hover { color: var(--orange-500); }

/* ---------- Forms ---------- */
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 600; margin-bottom: 6px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
  font: inherit; color: var(--navy-900);
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--navy-600); }

/* ---------- Misc ---------- */
.tag-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.tag-link {
  font-family: var(--font-display); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em;
  background: var(--navy-100); color: var(--navy-800); padding: 6px 14px; border-radius: 999px; text-decoration: none;
}
.tag-link.is-active, .tag-link:hover { background: var(--navy-800); color: #fff; }

.prose { max-width: 760px; margin: 0 auto; padding: 48px 20px 60px; }
.prose h2 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3em; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--gray-600); }

/* ---------- Footer ---------- */
.site-footer { background: var(--gray-50); border-top: 1px solid var(--gray-200); padding: 56px 0 0; }
.site-footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 36px; }
.site-footer__brand p { color: var(--gray-600); font-size: .92rem; max-width: 34ch; }
.site-footer h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-600); margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--navy-800); text-decoration: none; font-size: .94rem; }
.site-footer a:hover { color: var(--orange-600); }
.site-footer__bottom {
  border-top: 1px solid var(--gray-200); padding: 18px 20px; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; font-size: .82rem; color: var(--gray-600);
}
@media (max-width: 860px) { .site-footer__inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .site-footer__inner { grid-template-columns: 1fr; } }

/* ---------- 404 ---------- */
.error-page { text-align: center; padding: 100px 20px; }
.error-page__code { font-family: var(--font-display); font-size: 6rem; color: var(--orange-500); line-height: 1; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}