/* ============================================================
   ØKT — shared site styles
   Design tokens, navigation, hamburger drawer, footer, buttons
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* surfaces */
  --bg:        #080b11;
  --bg-2:      #0a0e14;
  --surface:   #0f151d;
  --card:      #121a24;
  --card-hi:   #16202c;
  --border:    #1c2836;
  --border-hi: #27384a;

  /* brand */
  --blue:      #4d96ff;
  --blue-hi:   #6aa9ff;
  --blue-dim:  #22406e;
  --blue-glow: rgba(77,150,255,0.16);

  /* split colours */
  --press:     #e05c5c;
  --pull:      #5b8de8;
  --leg:       #58a668;
  --core:      #a67fe8;
  --cardio:    #d4a843;
  --green:     #58a668;
  --green-dim: #16301c;

  /* type */
  --text:      #eef2f8;
  --text-2:    #9db0c7;
  --muted:     #6d8299;
  --faint:     #3a4b5e;

  --radius:    18px;
  --nav-h:     68px;
  --ease:      cubic-bezier(.22,.61,.36,1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.no-scroll { overflow: hidden; }

img, svg { display: block; max-width: 100%; }

a { color: var(--blue); }

::selection { background: rgba(77,150,255,0.28); color: #fff; }

/* focus ring — visible for keyboard users only */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  z-index: 300;
  background: var(--blue);
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ─────────────────────────  NAV  ───────────────────────── */

.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--nav-h);
  padding: 0 clamp(16px, 4vw, 40px);
  background: rgba(8,11,17,0.72);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.site-nav.scrolled {
  background: rgba(8,11,17,0.92);
  border-bottom-color: var(--border);
}

/* logo lockup: official app mark + wordmark */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}

.brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(180deg, #1e2934 0%, #0a2340 100%);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 1px 0 rgba(255,255,255,.07) inset, 0 4px 14px rgba(0,0,0,.4);
}

.brand-mark svg { width: 58%; height: 58%; color: #e9edf3; }

.brand-word {
  display: block;
  height: 19px;
  width: auto;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin-right: 12px;
}

.nav-links a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  background: var(--blue);
  color: #fff;
  padding: 9px 18px;
  border-radius: 11px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s, transform .15s var(--ease);
}
.nav-cta:hover { background: var(--blue-hi); transform: translateY(-1px); }

/* ── hamburger button ── */
.hamburger {
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  flex-shrink: 0;
}
.hamburger:hover { border-color: var(--border-hi); background: rgba(255,255,255,0.05); }

.hamburger .bars {
  position: relative;
  width: 18px; height: 12px;
}
.hamburger .bars span {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform .32s var(--ease), opacity .2s;
}
.hamburger .bars span:nth-child(1) { top: 0; }
.hamburger .bars span:nth-child(2) { top: 5px; }
.hamburger .bars span:nth-child(3) { top: 10px; }

.hamburger[aria-expanded="true"] .bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.hamburger[aria-expanded="true"] .bars span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ── drawer ── */
.drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: 130;
  background: rgba(4,6,10,0.6);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.drawer-scrim.open { opacity: 1; visibility: visible; }

.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  z-index: 140;
  width: min(360px, 88vw);
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: -24px 0 60px rgba(0,0,0,.5);
  transform: translateX(102%);
  transition: transform .38s var(--ease);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.drawer.open { transform: translateX(0); }

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding: 0 20px 0 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.drawer-close {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.drawer-close:hover { color: var(--text); border-color: var(--border-hi); }

.drawer-body { padding: 24px; flex: 1; }

.drawer-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 12px;
}

.drawer-nav {
  list-style: none;
  margin-bottom: 32px;
}

.drawer-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  color: var(--text);
  text-decoration: none;
  font-size: 17px;
  font-weight: 600;
  border-bottom: 1px solid rgba(28,40,54,.7);
  transition: color .2s, padding-left .2s var(--ease);
}
.drawer-nav a:hover { color: var(--blue); padding-left: 6px; }
.drawer-nav a .chev { color: var(--faint); transition: transform .2s var(--ease); }
.drawer-nav a:hover .chev { transform: translateX(3px); }

.drawer-nav li.is-current a { color: var(--blue); }

/* language switcher */
.lang-switch {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
}

.lang-btn {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.lang-btn:hover { border-color: var(--border-hi); }
.lang-btn[aria-pressed="true"] {
  border-color: var(--blue);
  background: rgba(77,150,255,0.10);
}

.lang-btn .flag {
  width: 28px; height: 20px;
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(255,255,255,.1);
}
.lang-btn .flag svg { width: 100%; height: 100%; }

.drawer-cta {
  display: block;
  text-align: center;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 14px;
  border-radius: 13px;
  text-decoration: none;
  transition: background .2s;
}
.drawer-cta:hover { background: var(--blue-hi); }

.drawer-foot {
  padding: 20px 24px 28px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--faint);
  flex-shrink: 0;
}

/* ─────────────────────────  BUTTONS  ───────────────────────── */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-size: 15px;
  padding: 15px 28px;
  border-radius: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s var(--ease), background .2s, border-color .2s, color .2s;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  border: 1px solid var(--blue);
  box-shadow: 0 6px 20px rgba(77,150,255,.22);
}
.btn-primary:hover { background: var(--blue-hi); transform: translateY(-2px); }

.btn-secondary {
  background: transparent;
  color: var(--text-2);
  font-weight: 500;
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--border-hi); color: var(--text); transform: translateY(-2px); }

/* live store link */
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 22px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  transition: border-color .2s, transform .2s;
}
.store-btn:hover { border-color: var(--border-hi); transform: translateY(-2px); }
.store-btn:hover .store-big { color: var(--text); }
.store-btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.store-btn .store-lines { text-align: left; line-height: 1.25; }
.store-btn .store-small { font-size: 10px; letter-spacing: .6px; text-transform: uppercase; color: var(--faint); }
.store-btn .store-big { font-size: 15px; font-weight: 700; color: var(--text-2); }

/* ─────────────────────────  FOOTER  ───────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px clamp(20px, 5vw, 40px) 40px;
  background: var(--bg-2);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
}

.footer-brand { display: flex; flex-direction: column; gap: 12px; max-width: 300px; }
.footer-tag { font-size: 13px; color: var(--muted); line-height: 1.6; }

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}
.footer-links a:hover { color: var(--text); }

.footer-copy { font-size: 12px; color: var(--faint); }

/* ─────────────────────────  REVEAL  ───────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* ─────────────────────────  RESPONSIVE  ───────────────────────── */

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta   { display: none; }
}

@media (max-width: 640px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}