/* BTAPL — Base styles, layout, components */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800&family=Source+Sans+3:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-foreground);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.15;
  margin: 0 0 var(--space-md);
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-4xl); font-weight: 700; }
h2 { font-size: var(--fs-3xl); font-weight: 700; }
h3 { font-size: var(--fs-xl); font-weight: 600; }
h4 { font-size: var(--fs-md); font-weight: 600; }
p { margin: 0 0 var(--space-md); color: var(--color-secondary); }

@media (max-width: 768px) {
  h1 { font-size: var(--fs-3xl); }
  h2 { font-size: var(--fs-2xl); }
  h3 { font-size: var(--fs-lg); }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}
@media (max-width: 640px) {
  .container { padding: 0 var(--space-lg); }
}

.section { padding: var(--space-4xl) 0; }
@media (max-width: 768px) {
  .section { padding: var(--space-3xl) 0; }
}
.section-tight { padding: var(--space-2xl) 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

.section-head { max-width: 640px; margin-bottom: var(--space-2xl); }
.section-head.center { max-width: 680px; margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { font-size: var(--fs-md); }

.lede { font-size: var(--fs-md); color: var(--color-secondary); max-width: 60ch; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-sm);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; transition: transform var(--dur-base) var(--ease-out); }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { opacity: 0.92; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-secondary { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--color-on-primary); border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 0.6rem 1.1rem; font-size: var(--fs-xs); }

/* ============ Header ============ */
.site-header {
  /* No transform/filter/backdrop-filter/will-change on this element itself:
     any of those would make it the containing block for its position:fixed
     descendants (e.g. .main-nav's mobile overlay), breaking their full-viewport
     inset. The frosted-glass effect lives on ::before instead. */
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out), height var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  transition: background var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled {
  height: 78px;
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.site-header.is-scrolled::before {
  background: rgba(248, 250, 252, 0.96);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); }

.brand { display: flex; align-items: center; gap: var(--space-md); cursor: pointer; flex-shrink: 0; }
.brand img { height: 58px; width: auto; transition: height var(--dur-base) var(--ease-out); flex-shrink: 0; }
.site-header.is-scrolled .brand img { height: 48px; }
.brand-name { font-family: var(--font-heading); font-weight: 700; font-size: 1.75rem; color: var(--color-primary); line-height: 1.05; white-space: nowrap; }
.brand-name small { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.72rem; letter-spacing: 0.02em; text-transform: uppercase; color: var(--color-accent); white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: var(--space-xl); }
.main-nav > ul { display: flex; align-items: center; gap: var(--space-lg); }
.main-nav a.nav-link {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-secondary);
  padding: 0.5rem 0.15rem;
  position: relative;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.main-nav a.nav-link::after {
  content: '';
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--color-accent);
  transition: right var(--dur-base) var(--ease-out);
}
.main-nav a.nav-link:hover, .main-nav a.nav-link.is-active { color: var(--color-primary); }
.main-nav a.nav-link:hover::after, .main-nav a.nav-link.is-active::after { right: 0; }

.nav-item-has-dropdown { position: relative; }
.nav-item-has-dropdown .chevron { width: 13px; height: 13px; transition: transform var(--dur-base) var(--ease-out); }
.nav-item-has-dropdown:hover .chevron { transform: rotate(180deg); }
.dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 340px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), visibility var(--dur-base);
}
.nav-item-has-dropdown:hover .dropdown,
.nav-item-has-dropdown:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown a {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--color-secondary);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.dropdown a:hover { background: var(--color-accent-light); color: var(--color-accent); }
.dropdown a .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-border); flex-shrink: 0; transition: background var(--dur-fast); }
.dropdown a:hover .dot { background: var(--color-accent); }

.header-cta { display: flex; align-items: center; gap: var(--space-md); flex-shrink: 0; }
.header-phone { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-heading); font-weight: 600; font-size: var(--fs-sm); color: var(--color-primary); white-space: nowrap; }
.header-phone svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; }

.nav-toggle { display: none; }

@media (max-width: 1300px) {
  .brand-name { font-size: 1.4rem; }
  .brand-name small { font-size: 0.62rem; }
  .brand img { height: 48px; }
}

@media (max-width: 1024px) {
  .header-phone span { display: none; }
  .main-nav > ul { gap: var(--space-md); }
}

@media (max-width: 900px) {
  .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--color-surface); flex-direction: column; align-items: stretch;
    padding: var(--space-xl) var(--space-xl) var(--space-3xl);
    transform: translateX(100%); transition: transform var(--dur-slow) var(--ease-out);
    overflow-y: auto; gap: 0;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav > ul > li { border-bottom: 1px solid var(--color-border); }
  .main-nav a.nav-link { padding: 1rem 0; width: 100%; justify-content: space-between; }
  .dropdown { position: static; width: 100%; transform: none; opacity: 1; visibility: visible; box-shadow: none;
    border: none; max-height: 0; overflow: hidden; padding: 0; transition: max-height var(--dur-slow) var(--ease-out); }
  .nav-item-has-dropdown.is-open .dropdown { max-height: 400px; padding: var(--space-sm) 0 var(--space-md); }
  .nav-item-has-dropdown:hover .dropdown { max-height: 0; opacity: 1; visibility: visible; }
  .nav-item-has-dropdown.is-open:hover .dropdown { max-height: 400px; }
  .header-cta { margin-top: var(--space-xl); flex-direction: column; align-items: stretch; }
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; border: none; background: none; cursor: pointer; z-index: 501;
  }
  .nav-toggle span { width: 100%; height: 2px; background: var(--color-primary); transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base); }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  body.nav-open { overflow: hidden; }
}

/* ============ Footer ============ */
.site-footer { background: var(--color-primary); color: #CBD5E1; padding: var(--space-4xl) 0 var(--space-lg); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--space-2xl); padding-bottom: var(--space-2xl); border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand img { height: 44px; margin-bottom: var(--space-md); }
.footer-brand p { color: #94A3B8; max-width: 32ch; }
.footer-social { display: flex; gap: var(--space-sm); margin-top: var(--space-lg); }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.18); display: flex; align-items: center; justify-content: center; transition: background var(--dur-base), border-color var(--dur-base), transform var(--dur-base); }
.footer-social a svg { width: 16px; height: 16px; }
.footer-social a:hover { background: var(--color-accent); border-color: var(--color-accent); transform: translateY(-3px); }
.footer-col h4 { color: #fff; font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-lg); }
.footer-col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col a { color: #94A3B8; font-size: var(--fs-sm); transition: color var(--dur-base), padding-left var(--dur-base); }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-contact li { display: flex; gap: 0.65rem; align-items: flex-start; color: #94A3B8; font-size: var(--fs-sm); }
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--color-accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-lg); font-size: var(--fs-xs); color: #64748B; flex-wrap: wrap; gap: var(--space-sm); }
.footer-bottom a { color: #94A3B8; }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============ Decorative background gear/circle graphic ============ */
/* Used across many sections (cta-banner, presence-map, info-card, stats-band,
   training-visual...) as a subtle corner decoration. The host element must
   have position:relative + overflow:hidden. */
.hero-bg-gear {
  position: absolute;
  top: -220px;
  right: -220px;
  width: 620px;
  height: 620px;
  opacity: 0.05;
  color: var(--color-primary);
  z-index: 0;
  pointer-events: none;
}

/* ============ CTA banner (used at the bottom of every page) ============ */
.cta-banner { position: relative; background: var(--color-primary); border-radius: var(--radius-xl); overflow: hidden; padding: var(--space-4xl) var(--space-2xl); text-align: center; }
.cta-banner h2 { color: #fff; }
.cta-banner p { color: #94A3B8; max-width: 52ch; margin-left: auto; margin-right: auto; }
.cta-banner .hero-bg-gear { color: #fff; opacity: 0.05; }
.cta-banner .btn-row { position: relative; z-index: 1; display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; margin-top: var(--space-lg); }

/* ============ Misc components ============ */
.badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--color-accent-light); color: var(--color-accent);
  font-family: var(--font-heading); font-weight: 600; font-size: var(--fs-xs);
  padding: 0.35rem 0.75rem; border-radius: var(--radius-full);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--color-primary); color: #fff; padding: 0.75rem 1.25rem; border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { left: 0; }

.back-to-top {
  position: fixed; right: var(--space-lg); bottom: var(--space-lg); z-index: 400;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--color-primary); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), visibility var(--dur-base), background var(--dur-base);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-accent); }
.back-to-top svg { width: 20px; height: 20px; }

.page-hero {
  padding: calc(var(--header-h) + var(--space-3xl)) 0 var(--space-3xl);
  background: linear-gradient(180deg, var(--color-accent-light) 0%, var(--color-background) 100%);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumbs { display: flex; align-items: center; gap: 0.5rem; font-size: var(--fs-xs); color: var(--color-muted-foreground); margin-bottom: var(--space-lg); text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-heading); font-weight: 500; }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs svg { width: 12px; height: 12px; }

.grain-overlay { position: absolute; inset: 0; pointer-events: none; opacity: 0.4; mix-blend-mode: overlay; }

::selection { background: var(--color-accent); color: #fff; }