/* CrossFit South Brooklyn — DarkIndustrial
   Fonts: Archivo Black + DM Sans
   Tokens: asphalt #0c0d0f, chalk #efefec, blaze #ff5a1f */

:root {
  --asphalt: #0c0d0f;
  --asphalt-2: #16181c;
  --panel: #1a1d22;
  --chalk: #efefec;
  --muted: #9a9ea6;
  --blaze: #ff5a1f;
  --blaze-deep: #e04512;
  --line: rgba(239, 239, 236, 0.12);
  --font-display: "Archivo Black", Impact, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --header-h: 4rem;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --radius: 2px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--chalk);
  background: var(--asphalt);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blaze);
  text-underline-offset: 0.15em;
}

:focus-visible {
  outline: 2px solid var(--blaze);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 100;
  background: var(--blaze);
  color: #111;
  padding: 0.6rem 1rem;
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(1100px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(12, 13, 15, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--chalk);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  font-size: 1.05rem;
}

.logo img {
  width: 36px;
  height: 36px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.site-nav a {
  color: var(--chalk);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}

.site-nav a:hover {
  color: var(--blaze);
}

.nav-cta {
  background: var(--blaze);
  color: #111 !important;
  padding: 0.55rem 0.95rem;
  border: 2px solid var(--blaze);
}

.nav-cta:hover {
  background: var(--blaze-deep) !important;
  border-color: var(--blaze-deep);
  color: #111 !important;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--line);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  width: 1.1rem;
  height: 2px;
  background: var(--chalk);
  display: block;
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: flex-end;
  padding: 4rem 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 13, 15, 0.55), rgba(12, 13, 15, 0.88) 55%, #0c0d0f);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 40rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blaze);
}

.eyebrow.light {
  color: var(--blaze);
}

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  line-height: 1.05;
  margin: 0;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  margin-bottom: 1rem;
  color: var(--chalk);
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.35rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.45rem;
}

.lede,
.section-sub {
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border: 2px solid transparent;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.btn-primary {
  background: var(--blaze);
  color: #111;
  border-color: var(--blaze);
}

.btn-primary:hover {
  background: var(--blaze-deep);
  border-color: var(--blaze-deep);
  color: #111;
}

.btn-ghost {
  background: transparent;
  color: var(--chalk);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--chalk);
  color: var(--chalk);
}

.magnetic {
  will-change: transform;
}

.hero-stat {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--chalk);
}

.stat-tick {
  color: var(--blaze);
  font-family: var(--font-display);
  font-size: 1.35rem;
}

/* Floor */
.floor {
  padding: 4.5rem 0;
  background: var(--asphalt-2);
  border-top: 1px solid var(--line);
}

.equip-strip {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.equip-strip li {
  padding: 0.45rem 0.8rem;
  border: 2px solid var(--line);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--chalk);
}

.train-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.train-card {
  background: var(--panel);
  border: 2px solid var(--line);
  border-left: 4px solid var(--blaze);
  padding: 1.25rem 1.2rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.train-card.is-in {
  opacity: 1;
  transform: none;
}

.train-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.floor-photo {
  margin: 0;
  border: 2px solid var(--line);
  overflow: hidden;
}

.floor-photo img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
}

/* About */
.about {
  padding: 4.5rem 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.about-facts {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}

.about-facts li {
  border: 2px solid var(--line);
  padding: 0.85rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-transform: uppercase;
}

.about-facts span {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--blaze);
  font-weight: 700;
}

.about-photo {
  margin: 0;
  border: 2px solid var(--line);
  overflow: hidden;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}

/* Menu tabs */
.menu {
  padding: 4.5rem 0;
  background: var(--asphalt-2);
  border-top: 1px solid var(--line);
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.tab-list button {
  appearance: none;
  background: transparent;
  color: var(--muted);
  border: 2px solid var(--line);
  padding: 0.65rem 0.9rem;
  font: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.tab-list button[aria-selected="true"] {
  background: var(--blaze);
  border-color: var(--blaze);
  color: #111;
}

.iron-panel {
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 0.5rem 0;
}

.iron-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.iron-panel li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  border-top: 1px solid var(--line);
  font-size: 0.98rem;
}

.iron-panel li:first-child {
  border-top: 0;
}

.iron-panel li span {
  color: var(--muted);
}

.iron-panel li strong {
  color: var(--chalk);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* FAQ */
.faq {
  padding: 4.5rem 0;
}

.faq-list {
  display: grid;
  gap: 0.55rem;
  max-width: 42rem;
}

.faq-list details {
  border: 2px solid var(--line);
  background: var(--panel);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.15rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--blaze);
  font-family: var(--font-display);
}

.faq-list details[open] summary::after {
  content: "–";
}

.faq-list p {
  margin: 0;
  padding: 0 1.15rem 1.1rem;
  color: var(--muted);
}

/* Booking */
.booking {
  padding: 4.5rem 0;
  background: var(--asphalt-2);
  border-top: 1px solid var(--line);
}

.booking-wrap {
  max-width: 28rem;
}

.booking-form {
  display: grid;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.3rem;
}

.field label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field input,
.field select {
  font: inherit;
  padding: 0.75rem 0.85rem;
  border: 2px solid var(--line);
  background: var(--asphalt);
  color: var(--chalk);
  border-radius: var(--radius);
}

.field input.is-invalid,
.field select.is-invalid {
  border-color: #ef4444;
}

.form-error {
  margin: 0;
  color: #f87171;
  font-size: 0.9rem;
}

.form-success {
  margin: 0;
  padding: 0.85rem 1rem;
  border: 2px solid var(--blaze);
  background: rgba(255, 90, 31, 0.12);
  font-weight: 600;
}

/* Footer */
.site-footer {
  padding: 3rem 0 1.75rem;
  border-top: 1px solid var(--line);
}

.footer-brand {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.site-footer a {
  color: var(--blaze);
  text-decoration: none;
  font-weight: 600;
}

.footer-hours {
  color: var(--muted);
  font-size: 0.92rem;
}

.copyright {
  margin: 0;
  font-size: 0.8rem;
  color: #6b7078;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .train-card {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .magnetic {
    transform: none !important;
  }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.1rem;
    background: var(--asphalt);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
  }
  .nav-cta {
    text-align: center;
    margin-top: 0.5rem;
    border-bottom: 2px solid var(--blaze) !important;
  }

  .train-blocks,
  .about-grid,
  .about-facts,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 78vh;
    align-items: flex-end;
  }
}