/* ============================================================
   LHAFIX — Components: buttons, brand, nav, footer, cards, bits
   ============================================================ */

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--blue);
  --btn-fg: #fff;
  --btn-bd: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .005em;
  line-height: 1;
  padding: .95rem 1.6rem;
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1.5px solid var(--btn-bd);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur-1) var(--ease),
              box-shadow var(--dur-2) var(--ease),
              background var(--dur-1) var(--ease),
              border-color var(--dur-1) var(--ease),
              color var(--dur-1) var(--ease);
  will-change: transform;
}
.btn:hover  { transform: translateY(-2px); box-shadow: var(--sh-blue); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--border-strong);
}
.btn--ghost:hover {
  --btn-bd: var(--blue);
  --btn-fg: var(--blue);
  box-shadow: var(--sh-md);
}
/* ghost on dark surfaces */
.section--dark .btn--ghost,
.nav .btn--ghost,
.nav-panel .btn--ghost {
  --btn-fg: #fff;
  --btn-bd: rgba(255,255,255,.30);
}
.section--dark .btn--ghost:hover,
.nav .btn--ghost:hover,
.nav-panel .btn--ghost:hover {
  --btn-fg: #fff;
  --btn-bd: var(--blue-bright);
  background: rgba(74,140,255,.12);
  box-shadow: none;
}

.btn--wa {
  --btn-bg: var(--wa-green);
  --btn-fg: #06331B;
  --btn-bd: var(--wa-green);
  font-weight: 800;
}
.btn--wa:hover { box-shadow: var(--sh-wa); }

.btn--lg { padding: 1.1rem 2rem; font-size: 1.02rem; }
.btn--sm { padding: .62rem 1.1rem; font-size: .84rem; }
.btn__icon { width: 1.05em; height: 1.05em; }

/* ---------- Brand (mark + wordmark) ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-head);
}
.brand-mark { height: 38px; width: auto; flex: none; display: block; }
.brand-word {
  font-weight: 900;
  font-size: 1.28rem;
  letter-spacing: .01em;
  line-height: 1;
  display: inline-flex;
}
.brand-word b {
  font-weight: 900;
  background: linear-gradient(180deg, #F6F8FB 0%, #C3CDD8 52%, #8A95A2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-word i { font-style: normal; color: var(--blue-bright); }
.brand-sub {
  align-self: center;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .58rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--silver);
  padding-left: .55rem;
  margin-left: .1rem;
  border-left: 1px solid var(--dark-border);
}
.brand--on-light .brand-sub { color: var(--silver-dark); border-left-color: var(--border-strong); }
@media (max-width: 480px) { .brand-sub { display: none; } }
/* wordmark on light surfaces */
.brand--on-light .brand-word b {
  background: linear-gradient(180deg, #59657A 0%, #2C3A4E 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand--on-light .brand-word i { color: var(--blue); }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.15rem var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-2) var(--ease),
              padding var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease),
              box-shadow var(--dur-2) var(--ease);
}
.nav.is-scrolled {
  background: rgba(6,11,20,.80);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  border-bottom-color: var(--dark-border);
  padding-block: .7rem;
}
.nav__logo { flex: none; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-inline: auto;
}
.nav__links a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .95rem;
  color: rgba(234,241,254,.82);
  position: relative;
  padding: .3rem 0;
  transition: color var(--dur-1) var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--blue-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-2) var(--ease);
}
.nav__links a:hover,
.nav__links a[aria-current="page"] { color: #fff; }
.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after { transform: scaleX(1); }

.nav__cta { display: flex; align-items: center; gap: .7rem; flex: none; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--dark-border);
  border-radius: var(--r-sm);
  cursor: pointer;
}
.nav__toggle span {
  position: relative;
  width: 18px; height: 2px;
  background: #fff;
  transition: background .1s var(--ease);
}
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute; left: 0;
  width: 18px; height: 2px;
  background: #fff;
  transition: transform var(--dur-2) var(--ease), top var(--dur-2) var(--ease);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after  { top: 6px; }
body.nav-open .nav__toggle span { background: transparent; }
body.nav-open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
body.nav-open .nav__toggle span::after  { top: 0; transform: rotate(-45deg); }

/* ---------- Mobile nav panel ---------- */
.nav-panel {
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: var(--navy-deep);
  background-image: var(--hero-grad);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .25rem;
  padding: 6rem var(--gutter) 3rem;
  transform: translateY(-100%);
  visibility: hidden;
  transition: transform .5s var(--ease), visibility 0s linear .5s;
  overflow-y: auto;
}
body.nav-open { overflow: hidden; }
body.nav-open .nav-panel {
  transform: translateY(0);
  visibility: visible;
  transition: transform .5s var(--ease), visibility 0s;
}
.nav-panel a:not(.btn) {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.7rem;
  color: #fff;
  padding: .7rem 0;
  border-bottom: 1px solid var(--dark-border);
}
.nav-panel__cta { display: flex; flex-direction: column; gap: .8rem; margin-top: 1.8rem; }
.nav-panel__cta .btn { width: 100%; font-size: 1rem; padding-block: 1rem; }

/* ---------- Stat bar ---------- */
.stat-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem 1.4rem;
}
.stat-bar li {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .01em;
  color: var(--dark-text-muted);
}
.stat-bar li strong { color: #fff; font-weight: 800; }
.stat-bar li:not(:last-child)::after {
  content: "";
  width: 5px; height: 5px;
  border-radius: 1px;
  background: var(--blue-bright);
  transform: rotate(45deg);
}

/* ---------- Card ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 1rem + 1.6vw, 2.25rem);
  box-shadow: var(--sh-sm);
  transition: transform var(--dur-2) var(--ease),
              box-shadow var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-lg);
  border-color: var(--border-strong);
}

/* ---------- Scroll cue ---------- */
.scroll-cue {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-head);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--dark-text-muted);
}
.scroll-cue__track {
  width: 24px; height: 38px;
  border: 2px solid rgba(157,178,208,.5);
  border-radius: var(--r-pill);
  display: flex;
  justify-content: center;
  padding-top: 7px;
}
.scroll-cue__dot {
  width: 4px; height: 8px;
  border-radius: var(--r-pill);
  background: var(--blue-bright);
  animation: cue-fall 1.8s var(--ease) infinite;
}
@keyframes cue-fall {
  0%   { transform: translateY(0);    opacity: 0; }
  30%  { opacity: 1; }
  70%  { transform: translateY(12px); opacity: 0; }
  100% { opacity: 0; }
}

/* ---------- Floating action buttons (bottom-right, on every page) ---------- */
.fab-stack {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  align-items: center;
}
.fab {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.fab:hover { transform: scale(1.08) translateY(-2px); }
.fab svg { width: 26px; height: 26px; }
.fab--form {
  background: var(--blue);
  color: #fff;
  box-shadow: var(--sh-blue);
}
.fab--form:hover { background: var(--blue-bright); }
.fab--wa {
  background: var(--wa-green);
  color: #06331B;
  box-shadow: var(--sh-wa);
}
.fab--wa svg { width: 28px; height: 28px; }

/* ---------- Footer ---------- */
.footer {
  background-color: var(--navy-deep);
  background-image: var(--hero-grad);
  color: var(--dark-text-muted);
  padding-block: clamp(3.5rem, 2rem + 6vw, 6rem) 2.5rem;
  border-top: 1px solid var(--dark-border);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 4rem);
}
.footer__tag {
  margin-top: 1.1rem;
  max-width: 34ch;
  font-size: .96rem;
  line-height: 1.6;
}
.footer__mono {
  margin-top: 1.4rem;
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .28em;
  color: var(--blue-bright);
}
.footer h4 {
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
}
.footer__col a {
  display: block;
  padding: .4rem 0;
  font-size: .96rem;
  color: var(--dark-text-muted);
  transition: color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease);
}
.footer__col a:hover { color: #fff; transform: translateX(3px); }
.footer__bar {
  margin-top: clamp(2.5rem, 1.5rem + 4vw, 4rem);
  padding-top: 1.6rem;
  border-top: 1px solid var(--dark-border);
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  justify-content: space-between;
  font-size: .85rem;
}

@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: inline-flex; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brandcol { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
}