/* ==========================================================================
   LogNex Forwarders — Components
   Buttons, floating pill nav, mobile overlay, cards, footer.
   ========================================================================== */

/* --- Skip link ----------------------------------------------------------- */
.skip-link {
  position: fixed;
  top: 0; left: 50%;
  transform: translate(-50%, -120%);
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 0 0 var(--r-md) var(--r-md);
  transition: transform var(--t-fast) var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); color: #fff; }

/* --- Button system (single source of truth) ------------------------------ */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: #fff;
  --btn-py: 0.9rem;
  --btn-px: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  line-height: 1;
  padding: var(--btn-py) var(--btn-px);
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-med) var(--ease),
              background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); color: var(--btn-fg); }
.btn:active { transform: translateY(0); }

/* Sizes */
.btn--sm { --btn-py: 0.65rem; --btn-px: 1.1rem; font-size: 0.875rem; }
.btn--lg { --btn-py: 1.1rem; --btn-px: 1.9rem; font-size: 1.02rem; }

/* Variants */
.btn--accent { --btn-bg: var(--accent); --btn-fg: var(--accent-contrast); box-shadow: var(--shadow-accent); }
.btn--accent:hover { --btn-bg: var(--accent-hover); box-shadow: 0 18px 40px rgba(37,49,224,0.4); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--text); border-color: var(--border-strong); }
.btn--ghost:hover { background: var(--surface); border-color: var(--text); }
.btn--on-dark { --btn-bg: rgba(255,255,255,0.08); --btn-fg: #fff; border-color: rgba(255,255,255,0.24); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn--on-dark:hover { --btn-bg: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.4); }

/* Trailing icon (consistent across every CTA) */
.btn__ico {
  display: inline-grid; place-items: center; width: 1.05em; height: 1.05em; flex: none;
  transition: transform var(--t-fast) var(--ease);
}
.btn:hover .btn__ico { transform: translateX(3px); }

/* --- Floating navigation (no pill) --------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: clamp(0.5rem, 1.4vw, 1rem);
  transition: background var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease),
              backdrop-filter var(--t-med) var(--ease), padding var(--t-med) var(--ease);
}
.site-header.is-scrolled {
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
  padding-block: 0.5rem;
}
.nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2rem); }

.nav__brand { display: inline-flex; align-items: center; flex: none; }
.nav__logo { height: 42px; width: auto; transition: opacity var(--t-med) var(--ease); }
.site-header.is-scrolled .nav__logo { height: 38px; }
/* White logo over the dark hero; switch to colour logo once the glass bar appears (light theme). */
.nav__logo--color { display: none; }
.site-header.is-scrolled .nav__logo--white { display: none; }
.site-header.is-scrolled .nav__logo--color { display: block; }
[data-theme="dark"] .site-header.is-scrolled .nav__logo--color { display: none; }
[data-theme="dark"] .site-header.is-scrolled .nav__logo--white { display: block; }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.8vw, 1.6rem);
  margin-inline: auto;
}
.nav__links a {
  position: relative;
  color: rgba(255, 255, 255, 0.82);
  font-weight: var(--fw-medium);
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  padding: 0.4rem 0.1rem;
  transition: color var(--t-fast) var(--ease);
}
/* Lightweight coral underline for hover + active */
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 2px;
  background: var(--accent-2); border-radius: 2px;
  transform: scaleX(0); transform-origin: center; transition: transform var(--t-med) var(--ease);
}
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__links a[aria-current="page"] { color: #fff; }
.nav__links a[aria-current="page"]::after { transform: scaleX(1); }
.site-header.is-scrolled .nav__links a { color: var(--text-muted); }
.site-header.is-scrolled .nav__links a:hover,
.site-header.is-scrolled .nav__links a[aria-current="page"] { color: var(--text); }

.nav__actions { display: flex; align-items: center; gap: 0.6rem; flex: none; margin-left: auto; }

.theme-toggle {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.theme-toggle:hover { transform: translateY(-2px); }
.site-header.is-scrolled .theme-toggle { border-color: var(--border); color: var(--text); background: var(--surface); }
.theme-toggle__icon--moon { display: none; }
[data-theme="dark"] .theme-toggle__icon--sun { display: none; }
[data-theme="dark"] .theme-toggle__icon--moon { display: block; }

.nav__burger { display: none; }

/* --- Mobile overlay (clean theme-aware panel) ---------------------------- */
.mobilenav {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: var(--bg);
  color: var(--text);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease), visibility 0s linear 0.32s;
}
.mobilenav.is-open {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}
.mobilenav__inner {
  height: 100%;
  display: flex; flex-direction: column;
  padding: clamp(1.1rem, 4vw, 1.5rem) var(--gutter) var(--gutter);
}
.mobilenav__top { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.mobilenav__brand img { height: 40px; width: auto; display: block; }
.mobilenav__brand .mobilenav__logo--white { display: none; }
[data-theme="dark"] .mobilenav__brand .mobilenav__logo--color { display: none; }
[data-theme="dark"] .mobilenav__brand .mobilenav__logo--white { display: block; }
.mobilenav__close {
  width: 46px; height: 46px; border-radius: 50%; flex: none;
  display: grid; place-items: center; color: var(--text);
  border: 1px solid var(--border-strong);
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.mobilenav__close:hover { background: var(--surface-2); transform: rotate(90deg); }

.mobilenav__links { display: flex; flex-direction: column; margin-top: var(--sp-5); }
.mobilenav__links a {
  display: flex; align-items: center;
  font-family: var(--font-display); font-weight: var(--fw-medium);
  font-size: 1.4rem; letter-spacing: var(--tracking-snug);
  color: var(--text-soft);
  padding: 1rem 0.25rem;
  border-bottom: 1px solid var(--border);
  opacity: 0; transform: translateY(12px);
  transition: color var(--t-fast) var(--ease);
}
.mobilenav__links a[aria-current="page"] { color: var(--accent); font-weight: var(--fw-semibold); }
.mobilenav__links a[aria-current="page"]::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); margin-right: 0.85rem;
}
.mobilenav.is-open .mobilenav__links a {
  animation: navIn 0.4s var(--ease-out) forwards;
  animation-delay: calc(0.08s + var(--i) * 0.05s);
}
@keyframes navIn { to { opacity: 1; transform: translateY(0); } }

.mobilenav__foot { margin-top: auto; padding-top: var(--sp-6); }
.mobilenav__cta { display: inline-flex; width: 100%; }
.mobilenav__contact { display: flex; flex-direction: column; gap: 0.35rem; margin-top: var(--sp-5); color: var(--text-muted); }
.mobilenav__contact a { color: var(--text-muted); font-size: 0.95rem; }

body.nav-locked { overflow: hidden; }

@media (max-width: 920px) {
  .nav__links, .nav__cta { display: none; }
  .nav__actions { gap: 0.4rem; }
  .nav__burger {
    display: flex; flex-direction: column; justify-content: center; align-items: flex-end; gap: 5px;
    width: 30px; height: 40px; flex: none;
  }
  .nav__burger span { display: block; height: 2px; width: 26px; background: #fff; border-radius: 2px; transition: var(--t-fast) var(--ease); }
  .nav__burger span:last-child { width: 18px; }
  .site-header.is-scrolled .nav__burger span { background: var(--text); }
}

/* --- Footer -------------------------------------------------------------- */
.footer {
  background: var(--ink);
  color: var(--on-dark);
  padding-block: clamp(4rem, 8vw, 7rem) 2.5rem;
  position: relative;
  overflow: hidden;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__brand img { height: 34px; margin-bottom: var(--sp-4); }
.footer__brand p { color: var(--on-dark-muted); max-width: 34ch; }
.footer__newsletter { display: flex; gap: 0.5rem; margin-top: var(--sp-5); max-width: 360px; }
.footer__newsletter input {
  flex: 1; padding: 0.85rem 1.1rem; border-radius: var(--r-pill);
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16); color: #fff;
}
.footer__newsletter input::placeholder { color: rgba(255,255,255,0.5); }
.footer__col h4 { color: #fff; font-size: 0.95rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: var(--sp-4); font-family: var(--font-body); font-weight: 600; }
.footer__col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__col a { color: var(--on-dark-muted); transition: color var(--t-fast) var(--ease); }
.footer__col a:hover { color: #fff; }
.footer__contact ul { display: flex; flex-direction: column; gap: 0.9rem; }
.footer__contact li { display: flex; align-items: flex-start; gap: 0.75rem; color: var(--on-dark-muted); line-height: 1.45; }
.footer__contact li a { color: var(--on-dark-muted); }
.footer__contact li a:hover { color: #fff; }
.footer__ico { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); color: var(--indigo-300); }
.footer__ico .ico { width: 19px; height: 19px; }
.footer__bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--sp-4); padding-top: var(--sp-6); color: var(--on-dark-muted); font-size: 0.9rem;
  position: relative; z-index: 1;
}
.footer__wordmark {
  position: absolute; left: 50%; bottom: -0.18em; transform: translateX(-50%);
  font-family: var(--font-display); font-weight: 700; letter-spacing: var(--tracking-tight);
  font-size: clamp(5rem, 22vw, 20rem); line-height: 0.8; white-space: nowrap;
  color: rgba(255,255,255,0.045);
  pointer-events: none; user-select: none; z-index: 0;
}
.footer__socials { display: flex; gap: 0.6rem; }
.footer__socials a {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center; color: #fff;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.14);
  transition: background var(--t-med) var(--ease), transform var(--t-med) var(--ease),
              border-color var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.footer__socials a:hover { background: var(--accent); border-color: transparent; transform: translateY(-4px); box-shadow: var(--shadow-accent); }
.footer__credit { display: inline-block; margin-left: 0.35rem; color: rgba(255,255,255,0.45); }
.footer__credit a { color: var(--accent-2); font-weight: 600; }
.footer__credit a:hover { color: #fff; }

@media (max-width: 860px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 540px) {
  .footer__top { grid-template-columns: 1fr; }
}