/* ============================================================
   Cup Arenas — layout.css
   Header, footer, hero, grids, masonry
   ============================================================ */

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(247, 248, 246, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.18rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--text); }
.brand__mark {
  width: 34px; height: 34px;
  flex: 0 0 auto;
  display: grid; place-items: center;
}
.brand__name b { color: var(--accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__links a {
  display: inline-block;
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  font-weight: 500;
  font-size: 0.93rem;
  transition: background var(--t-fast), color var(--t-fast);
}
.nav__links a:hover { background: var(--concrete-100); color: var(--text); }
.nav__links a.is-active { color: var(--accent-strong); background: var(--green-100); }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav__toggle span::before { transform: translate(-50%, -7px); }
.nav__toggle span::after { transform: translate(-50%, 7px); }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translate(-50%, 0) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { transform: translate(-50%, 0) rotate(-45deg); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--concrete-900);
  color: var(--concrete-300);
  padding-block: clamp(44px, 6vw, 72px) 28px;
  margin-top: 40px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
}
.footer__brand .brand { color: var(--white); }
.footer__brand p { color: var(--concrete-400); margin-top: 14px; max-width: 34ch; }
.footer__col h4 {
  color: var(--white);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
}
.footer__col a, .footer__col li {
  color: var(--concrete-400);
  font-size: 0.93rem;
  line-height: 2.1;
  display: block;
}
.footer__col a:hover { color: var(--green-300); }
.footer__social {
  display: flex; gap: 10px; margin-top: 16px;
}
.footer__social a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--concrete-700);
  border-radius: 50%;
  color: var(--concrete-300);
  transition: all var(--t-fast);
}
.footer__social a:hover { background: var(--green-600); border-color: var(--green-600); color: var(--white); }
.footer__bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--concrete-700);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--concrete-500);
}
.footer__bottom a { color: var(--concrete-400); }
.footer__bottom a:hover { color: var(--green-300); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 78% -10%, rgba(47,157,91,0.20), transparent 60%),
    linear-gradient(160deg, var(--concrete-900), var(--concrete-700) 70%);
  color: var(--white);
  padding-block: clamp(64px, 11vw, 130px);
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(700px 400px at 70% 20%, #000, transparent 75%);
  pointer-events: none;
}
/* hero background photo + dark scrim for legible light text */
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.5;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(900px 500px at 78% -10%, rgba(47,157,91,0.30), transparent 60%),
    linear-gradient(160deg, rgba(20,21,20,0.78), rgba(38,42,39,0.66) 70%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; max-width: 720px; }
.hero h1 { color: var(--white); margin-block: 18px 20px; }
.hero p { color: rgba(255,255,255,0.82); font-size: 1.14rem; max-width: 56ch; }
.hero .eyebrow { color: var(--green-300); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__stats {
  position: relative; z-index: 2;
  display: flex; flex-wrap: wrap; gap: 36px;
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.hero__stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
}
.hero__stat span { color: rgba(255,255,255,0.7); font-size: 0.9rem; }

/* page hero (interior) */
.page-hero {
  background:
    radial-gradient(700px 400px at 85% 0%, rgba(47,157,91,0.18), transparent 60%),
    linear-gradient(150deg, var(--concrete-800), var(--concrete-600));
  color: var(--white);
  padding-block: clamp(50px, 8vw, 92px);
}
.page-hero h1 { color: var(--white); margin-top: 12px; }
.page-hero p { color: rgba(255,255,255,0.82); max-width: 62ch; margin-top: 14px; }
.page-hero .eyebrow { color: var(--green-300); }
.breadcrumbs { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 6px; }
.breadcrumbs a { color: rgba(255,255,255,0.8); }
.breadcrumbs a:hover { color: var(--green-300); }

/* ---------- Generic grids ---------- */
.grid { display: grid; gap: 26px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}
.section-head p { max-width: 52ch; margin-top: 8px; }

/* ---------- Masonry ---------- */
.masonry {
  columns: 3;
  column-gap: 26px;
}
.masonry > * {
  break-inside: avoid;
  margin-bottom: 26px;
}

/* article layout */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: start;
}
.article-aside {
  position: sticky;
  top: 90px;
  display: grid;
  gap: 22px;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .masonry { columns: 2; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; }
}

@media (max-width: 760px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: fixed;
    inset: 70px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px var(--gutter) 22px;
    box-shadow: var(--shadow);
    transform: translateY(-130%);
    transition: transform var(--t);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: 13px 14px; font-size: 1rem; }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .masonry { columns: 1; }
  .footer__grid { grid-template-columns: 1fr; }
}