/* Knuckle Up Martial Arts and Fitness - custom theme over Bulma
   Athletic combat-gym aesthetic: combat red + near-black, Oswald condensed headings. */

:root {
  --ku-red: #dc2029;
  --ku-red-dark: #a8161d;
  --ku-red-light: #ff3b44;
  --ku-ink: #141414;
  --ku-ink-2: #1e1e1e;
  --ku-charcoal: #262626;
  --ku-steel: #3a3a3a;
  --ku-fog: #f4f4f4;
  --ku-fog-2: #ebebeb;
  --ku-line: #d6d6d6;
  --ku-text: #232323;
  --ku-text-soft: #5a5a5a;
  --ku-white: #ffffff;
}

/* ---------- Base typography ---------- */
html { scroll-behavior: smooth; }
body {
  font-family: 'Open Sans', system-ui, -apple-system, sans-serif;
  color: var(--ku-text);
  background: var(--ku-white);
  line-height: 1.7;
}
h1, h2, h3, h4, .title, .subtitle, .navbar-item, .button, .ku-eyebrow {
  font-family: 'Oswald', 'Open Sans', sans-serif;
}
h1, h2, h3, h4 { letter-spacing: 0.01em; line-height: 1.12; color: var(--ku-ink); }

img { max-width: 100%; height: auto; display: block; }

/* ---------- Navbar ---------- */
.navbar.ku-nav {
  background: var(--ku-ink);
  border-bottom: 4px solid var(--ku-red);
  min-height: 4rem;
}
.ku-nav .navbar-brand .navbar-item {
  font-size: 1.45rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ku-white);
}
.ku-nav .navbar-brand .ku-brand-knuckle { color: var(--ku-white); }
.ku-nav .navbar-brand .ku-brand-up {
  color: var(--ku-white);
  background: var(--ku-red);
  padding: 0 0.45rem;
  margin: 0 0.15rem;
  border-radius: 3px;
}
.ku-nav .navbar-menu { background: var(--ku-ink); }
.ku-nav .navbar-item, .ku-nav .navbar-link {
  color: #e8e8e8;
  text-transform: uppercase;
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.ku-nav a.navbar-item:hover, .ku-nav a.navbar-item:focus,
.ku-nav .navbar-item.is-active {
  background: var(--ku-charcoal);
  color: var(--ku-red-light);
}
.ku-nav .navbar-burger { color: var(--ku-white); }
.ku-nav .navbar-burger span { background-color: var(--ku-white); }
.ku-nav .ku-nav-cta {
  background: var(--ku-red);
  color: var(--ku-white) !important;
  border-radius: 3px;
  margin: 0.4rem 0.5rem;
}
.ku-nav .ku-nav-cta:hover { background: var(--ku-red-light) !important; }

/* ---------- Hero ---------- */
.ku-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  color: var(--ku-white);
  padding: 7rem 1.5rem 5rem;
}
.ku-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(15,15,15,0.92) 0%, rgba(20,20,20,0.72) 50%, rgba(20,20,20,0.45) 100%);
}
.ku-hero .ku-hero-inner { position: relative; z-index: 2; max-width: 880px; }
.ku-eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ku-red-light);
  border-left: 4px solid var(--ku-red);
  padding-left: 0.75rem;
  margin-bottom: 1rem;
}
.ku-hero h1 {
  color: var(--ku-white);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  text-transform: uppercase;
  font-weight: 700;
  line-height: 1.04;
  margin-bottom: 1rem;
}
.ku-hero .ku-hero-lead {
  font-size: 1.2rem;
  max-width: 640px;
  color: #ededed;
  margin-bottom: 1.8rem;
}
.ku-hero-home { padding: 9rem 1.5rem 7rem; }

/* ---------- Buttons ---------- */
.btn, .button.is-ku {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  border-radius: 3px;
  border: 2px solid transparent;
  transition: transform 0.12s ease, background 0.2s ease;
  cursor: pointer;
  display: inline-block;
  padding: 0.7rem 1.6rem;
  text-decoration: none;
}
.btn-primary, .button.is-ku {
  background: var(--ku-red);
  color: var(--ku-white);
}
.btn-primary:hover, .button.is-ku:hover { background: var(--ku-red-dark); color: #fff; transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--ku-white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-ghost:hover { border-color: var(--ku-white); background: rgba(255,255,255,0.1); transform: translateY(-2px); }

/* ---------- Sections & content ---------- */
.ku-section { padding: 4rem 1.5rem; }
.ku-section-alt { background: var(--ku-fog); }
.ku-container { max-width: 1080px; margin: 0 auto; }
.ku-prose { max-width: 800px; margin: 0 auto; }
.ku-prose.is-wide { max-width: 1000px; }

.ku-prose h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.6rem;
}
.ku-prose h1::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 72px; height: 4px; background: var(--ku-red);
}
.ku-prose h2 {
  font-size: 1.6rem;
  text-transform: uppercase;
  margin: 2.2rem 0 0.9rem;
  color: var(--ku-ink);
}
.ku-prose h3 { font-size: 1.2rem; margin: 1.4rem 0 0.6rem; color: var(--ku-charcoal); text-transform: uppercase; letter-spacing: 0.03em;}
.ku-prose p { margin-bottom: 1.1rem; }
.ku-prose .lead { font-size: 1.18rem; color: var(--ku-text); font-weight: 400; }
.ku-prose ul, .ku-prose ol { margin: 0 0 1.2rem 1.2rem; }
.ku-prose li { margin-bottom: 0.45rem; position: relative; }
.ku-prose ul { list-style: none; margin-left: 0; }
.ku-prose ul li { padding-left: 1.6rem; }
.ku-prose ul li::before {
  content: "\f054"; /* fa chevron */
  font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; left: 0; top: 0.15rem;
  color: var(--ku-red); font-size: 0.7rem;
}
.ku-prose a { color: var(--ku-red-dark); font-weight: 600; text-decoration: none; border-bottom: 1px solid rgba(168,22,29,0.3); }
.ku-prose a:hover { color: var(--ku-red); border-bottom-color: var(--ku-red); }
.ku-prose strong { color: var(--ku-ink); }

.ku-feature-img {
  border-radius: 4px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.18);
  margin: 1.5rem 0 2rem;
  border-bottom: 4px solid var(--ku-red);
}

/* ---------- Program cards (home) ---------- */
.ku-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.4rem; }
.ku-card {
  background: var(--ku-ink-2);
  color: #fff;
  border-radius: 4px;
  overflow: hidden;
  text-decoration: none;
  display: flex; flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  border-bottom: 4px solid var(--ku-red);
}
.ku-card:hover { transform: translateY(-5px); box-shadow: 0 16px 32px rgba(0,0,0,0.28); }
.ku-card .ku-card-body { padding: 1.4rem 1.4rem 1.6rem; }
.ku-card h3 { color: #fff; text-transform: uppercase; font-size: 1.25rem; margin-bottom: 0.5rem; }
.ku-card p { color: #c9c9c9; font-size: 0.95rem; line-height: 1.55; margin: 0; }
.ku-card .ku-card-tag { color: var(--ku-red-light); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; }

/* ---------- Banner / CTA strip ---------- */
.ku-cta-strip {
  background: var(--ku-red);
  color: #fff;
  text-align: center;
  padding: 3rem 1.5rem;
}
.ku-cta-strip h2 { color: #fff; text-transform: uppercase; font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 0.6rem; }
.ku-cta-strip p { color: #ffe3e4; font-size: 1.1rem; margin-bottom: 1.4rem; }

/* ---------- Stat / badge row ---------- */
.ku-badges { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.6rem; }
.ku-badge {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff; padding: 0.5rem 1rem; border-radius: 3px;
  font-family: 'Oswald', sans-serif; text-transform: uppercase;
  letter-spacing: 0.04em; font-size: 0.85rem;
}
.ku-badge i { color: var(--ku-red-light); margin-right: 0.4rem; }

/* ---------- Contact form ---------- */
.contact-form { max-width: 620px; margin: 1.5rem 0; }
.contact-form .form-row { margin-bottom: 1.1rem; }
.contact-form label {
  display: block; font-family: 'Oswald', sans-serif; text-transform: uppercase;
  letter-spacing: 0.05em; font-size: 0.85rem; margin-bottom: 0.35rem; color: var(--ku-charcoal);
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 0.7rem 0.9rem; border: 1px solid var(--ku-line);
  border-radius: 3px; font-family: inherit; font-size: 1rem; background: #fff; color: var(--ku-text);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--ku-red); box-shadow: 0 0 0 3px rgba(220,32,41,0.12);
}

/* ---------- Schedule table ---------- */
.ku-table-wrap { overflow-x: auto; }

/* ---------- Footer ---------- */
.ku-footer {
  background: var(--ku-ink);
  color: #c2c2c2;
  padding: 3.5rem 1.5rem 2rem;
}
.ku-footer .ku-footer-grid {
  max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 2rem;
}
.ku-footer h4 { color: #fff; text-transform: uppercase; letter-spacing: 0.05em; font-size: 1rem; margin-bottom: 0.9rem; }
.ku-footer .ku-foot-brand { font-size: 1.3rem; font-weight: 700; color: #fff; text-transform: uppercase; }
.ku-footer ul { list-style: none; }
.ku-footer li { margin-bottom: 0.5rem; }
.ku-footer a { color: #c2c2c2; text-decoration: none; }
.ku-footer a:hover { color: var(--ku-red-light); }
.ku-footer .ku-foot-bottom {
  max-width: 1080px; margin: 2.5rem auto 0; padding-top: 1.3rem;
  border-top: 1px solid #333; font-size: 0.85rem; color: #8a8a8a;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; justify-content: space-between;
}
.ku-footer .ku-foot-tag { color: var(--ku-red-light); font-family: 'Oswald', sans-serif; letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.8rem; }
.ku-footer .ku-foot-blurb { margin-top: 0.6rem; color: #9a9a9a; }

/* ---------- Small utility helpers (avoid inline style attributes) ---------- */
.ku-eyebrow.is-red { color: var(--ku-red); border-color: var(--ku-red); }
.ku-section-title {
  font-family: 'Oswald', sans-serif; text-transform: uppercase;
  font-size: 2rem; margin: 0.6rem 0 1.8rem;
}
.ku-note { font-size: 0.92rem; color: var(--ku-text-soft); }
.ku-btn-gap { margin-left: 0.6rem; }
.ku-section.is-flush-top { padding-top: 0; }

/* ---------- 404 ---------- */
.ku-404 { text-align: center; padding: 8rem 1.5rem; background: var(--ku-ink); color: #fff; min-height: 70vh; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ku-404 h1 { color: #fff; font-size: clamp(3rem, 10vw, 7rem); text-transform: uppercase; }
.ku-404 p { color: #cfcfcf; font-size: 1.2rem; margin-bottom: 1.6rem; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .ku-hero, .ku-hero-home { padding: 5rem 1.2rem 3.5rem; }
  .ku-section { padding: 2.8rem 1.2rem; }
  .ku-nav .navbar-menu { padding: 0.5rem 0; }
}