/* Fight & Flow — minimal static styles (no Tailwind, no external fonts) */
:root {
  --background: oklch(99% 0 0);
  --foreground: oklch(20% 0.01 0);
  --card: oklch(100% 0 0);
  --muted: oklch(92% 0.01 0);
  --muted-fg: oklch(50% 0.01 0);
  --accent: oklch(65% 0.2 25);
  --accent-fg: oklch(98% 0 0);
  --border: oklch(90% 0.01 0);
  --radius: 0.65rem;
  --container: min(100% - 2rem, 56rem);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  overflow-x: clip;
  overflow-y: auto;
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--foreground);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.page { min-height: 100vh; background: var(--background); color: var(--foreground); }
.container { width: var(--container); margin-inline: auto; padding-inline: 1rem; }
.container-narrow { width: min(100% - 2rem, 36rem); margin-inline: auto; padding-inline: 1rem; }

.section { padding: 5rem 1rem; }
.section--card { background: var(--card); }
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 3rem;
}
.section-title--sm { margin-bottom: 1rem; }
.section-lead { text-align: center; color: var(--muted-fg); margin-bottom: 3rem; }
.text-muted { color: var(--muted-fg); }
.text-accent { color: var(--accent); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.leading-relaxed { line-height: 1.75; }

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1rem;
  text-align: center;
}
.hero__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 85% 15%, color-mix(in oklch, var(--accent) 8%, transparent), transparent 45%),
    radial-gradient(circle at 15% 85%, color-mix(in oklch, var(--accent) 6%, transparent), transparent 40%);
}
.hero__inner { position: relative; z-index: 1; max-width: 42rem; }
.hero__eyebrow {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero__title { font-size: clamp(2.75rem, 7vw, 4.5rem); margin-bottom: 1.5rem; }
.hero__lead {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--muted-fg);
  margin-bottom: 2rem;
  line-height: 1.75;
}

/* Layout */
.grid-2 { display: grid; gap: 3rem; }
.grid-2--schedule { gap: 2rem; }
.grid-2--contact { gap: 3rem; }
.grid-instructor { display: grid; gap: 2rem; align-items: center; }
.stack { display: flex; flex-direction: column; gap: 1.5rem; }
.stack--lg { gap: 2rem; }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-instructor { grid-template-columns: 1fr 2fr; }
}

/* Typography blocks */
.block-title { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; color: var(--accent); }
.block-title--plain { color: var(--foreground); }
.block-title--lg { font-size: 1.875rem; color: var(--foreground); margin-bottom: 0.5rem; }
.subtitle { color: var(--accent); font-weight: 600; margin-bottom: 1rem; }

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  padding: 2rem;
}
.card--hover:hover { box-shadow: 0 10px 30px rgb(0 0 0 / 0.06); }
.card--inset { background: var(--background); }
.checklist li { display: flex; gap: 0.75rem; align-items: flex-start; margin-bottom: 0.75rem; color: var(--muted-fg); }
.checklist li span:first-child { color: var(--accent); flex-shrink: 0; }
.bullet-list li { display: flex; gap: 0.75rem; margin-bottom: 1rem; color: var(--muted-fg); }
.bullet-list li span:first-child { color: var(--accent); font-weight: 700; font-size: 1.125rem; line-height: 1.4; }

/* Schedule */
.schedule-card h3 { font-size: 1.5rem; font-weight: 600; color: var(--accent); margin-bottom: 0.25rem; }
.schedule-card .city { font-size: 0.875rem; color: var(--muted-fg); margin-bottom: 1.5rem; }
.schedule-row { display: flex; gap: 1rem; align-items: flex-start; }
.icon { width: 1.25rem; height: 1.25rem; color: var(--accent); flex-shrink: 0; margin-top: 0.2rem; }
.icon--lg { width: 1.5rem; height: 1.5rem; margin-top: 0.25rem; }

/* Instructor avatar */
.avatar {
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: linear-gradient(135deg, color-mix(in oklch, var(--accent) 20%, transparent), color-mix(in oklch, var(--accent) 5%, transparent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: var(--radius);
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.btn--primary { background: var(--accent); color: var(--accent-fg); }
.btn--primary:hover { background: color-mix(in oklch, var(--accent) 90%, black); box-shadow: 0 8px 24px color-mix(in oklch, var(--accent) 25%, transparent); }
.btn--block { width: 100%; padding-block: 1.25rem; }
.btn--outline {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Form */
.form { display: flex; flex-direction: column; gap: 1.5rem; }
.form label { display: block; font-weight: 600; margin-bottom: 0.5rem; }
.form input, .form select {
  width: 100%;
  height: 2.5rem;
  padding: 0 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--background);
  font: inherit;
}
.form input:focus, .form select:focus {
  outline: 2px solid color-mix(in oklch, var(--accent) 40%, transparent);
  border-color: var(--accent);
}
.form-success {
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
}
.form-success[hidden] { display: none; }
.form-success__icon { font-size: 3rem; margin-bottom: 1rem; }
.form-success h3 { font-size: 1.5rem; color: #14532d; margin-bottom: 0.5rem; }
.form-success p { color: #166534; margin-bottom: 1rem; }

/* Gallery — single image, no horizontal overflow */
.gallery { background: var(--card); border-radius: var(--radius); overflow: hidden; }
.gallery__viewport { position: relative; aspect-ratio: 16 / 9; background: var(--muted); }
.gallery__viewport img { width: 100%; height: 100%; object-fit: cover; }
.gallery__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: color-mix(in oklch, var(--accent) 85%, transparent);
  color: #fff;
  border: none;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 1;
}
.gallery__btn:hover { background: var(--accent); }
.gallery__btn--prev { left: 1rem; }
.gallery__btn--next { right: 1rem; }
.gallery__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.25rem 1.5rem;
  background: var(--card);
}
.gallery__dots { display: flex; gap: 0.5rem; }
.gallery__dots button {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: var(--border);
  cursor: pointer;
}
.gallery__dots button[aria-current="true"] { width: 2rem; background: var(--accent); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 1rem; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--card);
  border: none;
  font: inherit;
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
.faq-question:hover { background: color-mix(in oklch, var(--card) 80%, var(--muted)); }
.faq-chevron { width: 1.25rem; height: 1.25rem; color: var(--accent); flex-shrink: 0; transition: transform 0.2s; }
.faq-item.is-open .faq-chevron { transform: rotate(180deg); }
.faq-answer { padding: 1rem 1.5rem; background: var(--background); border-top: 1px solid var(--border); }
.faq-answer[hidden] { display: none; }

/* Contact */
.contact-block { display: flex; gap: 1rem; }
.contact-block + .contact-block { margin-top: 2rem; }
.contact-block a { color: var(--accent); font-weight: 600; text-decoration: none; }
.contact-block a:hover { opacity: 0.85; }

/* Footer */
.site-footer {
  background: var(--foreground);
  color: var(--background);
  padding: 3rem 1rem;
  text-align: center;
}
.site-footer p { opacity: 0.8; margin-top: 0.5rem; }
.site-footer h2 { font-size: 1.5rem; margin-bottom: 0.5rem; }

#register { scroll-margin-top: 1rem; }