/* ══════════════════════════════════════════════════
   MAIN.CSS — BIOS v5  Global
══════════════════════════════════════════════════ */

/* ── Base ── */
body { font-family:var(--f-body); color:var(--gray-800); background:var(--white); }
h1,h2,h3,h4,h5,h6 { font-family:var(--f-display); line-height:1.1; color:var(--black); }
p { color:var(--gray-600); line-height:1.75; }

.container { max-width:var(--max-w); margin:0 auto; padding:0 var(--pad-x); }

/* ── Label de sección ── */
.sec-label {
  display:inline-flex; align-items:center; gap:var(--s-2);
  font-family:var(--f-body); font-size:.7rem; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase; color:var(--green);
  margin-bottom:var(--s-3);
}
.sec-label::before { content:''; width:20px; height:2px; background:var(--green); border-radius:2px; }

.sec-title { font-size:clamp(1.5rem,3vw,2.2rem); font-weight:700; margin-bottom:var(--s-3); }
.sec-sub   { font-size:1rem; color:var(--gray-600); max-width:520px; line-height:1.7; }

/* ── Botones ── */
.btn {
  display:inline-flex; align-items:center; gap:var(--s-2);
  padding:var(--s-3) var(--s-6); border-radius:var(--r-full);
  font-family:var(--f-body); font-weight:600; font-size:.875rem;
  letter-spacing:.03em; white-space:nowrap; cursor:pointer;
  transition:all var(--ease-base); position:relative; overflow:hidden;
}
.btn::after { content:''; position:absolute; inset:0; background:rgba(255,255,255,.12); opacity:0; transition:opacity var(--ease-fast); }
.btn:hover::after { opacity:1; }
.btn:hover { transform:translateY(-2px); }
.btn:active { transform:translateY(0); }

.btn-blue  { background:var(--blue); color:#fff; box-shadow:var(--sh-blue); }
.btn-blue:hover  { background:var(--blue-dark); }
.btn-green { background:var(--green); color:#fff; box-shadow:var(--sh-green); }
.btn-green:hover { background:var(--green-dark); }
.btn-outline-white { background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.55); }
.btn-outline-white:hover { background:rgba(255,255,255,.1); border-color:#fff; }
.btn-ghost { background:var(--blue-xlight); color:var(--blue); border:1px solid rgba(69,99,165,.2); }
.btn-ghost:hover { background:var(--blue); color:#fff; }
.btn-wa { background:#25D366; color:#fff; box-shadow:0 6px 20px rgba(37,211,102,.35); }
.btn-wa:hover { background:#1fb558; }
.btn-lg { padding:var(--s-4) var(--s-8); font-size:1rem; }
.btn-sm { padding:var(--s-2) var(--s-4); font-size:.8rem; }

/* ══════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════ */
.navbar {
  position:fixed; inset:0 0 auto; z-index:1000;
  height:var(--nav-h);
  background:var(--white);
  border-bottom:1px solid var(--gray-100);
  box-shadow:var(--sh-sm);
  transition:box-shadow var(--ease-slow);
}
.navbar.elevated { box-shadow:var(--sh-md); }

.nav-inner {
  max-width:var(--max-w); margin:0 auto; padding:0 var(--pad-x);
  height:100%; display:flex; align-items:center; gap:var(--s-6);
}

/* Logo */
.nav-logo { display:flex; align-items:center; flex-shrink:0; }
.nav-logo img { height:60px; width:auto; }

/* Links */
.nav-menu {
  display:flex; align-items:center; gap:var(--s-1); flex:1;
}
.nav-link {
  font-family:var(--f-body); font-size:.875rem; font-weight:500;
  color:var(--gray-600); padding:var(--s-2) var(--s-3);
  border-radius:var(--r-md); transition:all var(--ease-fast);
  position:relative; white-space:nowrap;
}
.nav-link::after {
  content:''; position:absolute; bottom:0; left:50%;
  transform:translateX(-50%) scaleX(0);
  width:calc(100% - 24px); height:2px;
  background:var(--green); border-radius:2px;
  transition:transform var(--ease-base);
}
.nav-link:hover       { color:var(--blue); background:var(--blue-xlight); }
.nav-link:hover::after,
.nav-link.active::after { transform:translateX(-50%) scaleX(1); }
.nav-link.active      { color:var(--blue); font-weight:600; }

/* Teléfono */
.nav-tel {
  display:flex; align-items:center; gap:var(--s-2);
  font-size:.8rem; font-weight:600; color:var(--blue);
  border:1px solid var(--gray-100); border-radius:var(--r-full);
  padding:var(--s-2) var(--s-4); white-space:nowrap;
  transition:all var(--ease-fast);
}
.nav-tel:hover { border-color:var(--blue); background:var(--blue-xlight); }
.nav-tel svg { width:14px; height:14px; }

/* Botón carrito */
.nav-cart {
  display:flex; align-items:center; gap:var(--s-2);
  background:var(--blue); color:#fff;
  border-radius:var(--r-full); padding:var(--s-2) var(--s-5);
  font-size:.85rem; font-weight:600; cursor:pointer;
  box-shadow:var(--sh-blue); transition:all var(--ease-base);
  white-space:nowrap; flex-shrink:0;
}
.nav-cart:hover { background:var(--blue-dark); transform:translateY(-1px); }
.nav-cart svg   { width:16px; height:16px; }
.cart-count {
  background:#fff; color:var(--blue);
  border-radius:var(--r-full); min-width:18px; height:18px;
  font-size:.7rem; font-weight:700;
  display:flex; align-items:center; justify-content:center;
  padding:0 4px;
}
.cart-count.hidden { display:none; }

/* Hamburger */
.nav-burger {
  display:none; flex-direction:column; gap:5px;
  padding:var(--s-2); color:var(--gray-800);
}
.nav-burger span {
  display:block; width:22px; height:2px;
  background:currentColor; border-radius:2px;
  transition:all var(--ease-base);
}

/* Mobile menu */
.nav-overlay {
  display:none; position:fixed; inset:0;
  background:rgba(15,18,32,.5); backdrop-filter:blur(4px);
  z-index:998; opacity:0; transition:opacity var(--ease-base);
  pointer-events:none;
}
.nav-overlay.open { opacity:1; pointer-events:all; }

@media(max-width:1080px){
  .nav-menu {
    position:fixed; top:0; right:-100%;
    width:min(300px,85vw); height:100vh;
    background:var(--white); flex-direction:column;
    align-items:flex-start;
    padding:calc(var(--nav-h) + var(--s-6)) var(--s-6) var(--s-6);
    gap:var(--s-1); box-shadow:var(--sh-xl);
    z-index:999; transition:right var(--ease-slow);
    overflow-y:auto;
  }
  .nav-menu.open { right:0; }
  .nav-link { width:100%; padding:var(--s-3) var(--s-4); font-size:1rem; }
  .nav-tel  { display:none; }
  .nav-burger { display:flex; }
  .nav-overlay { display:block; }
}

/* ══════════════════════════════════════════════════
   CARRITO DRAWER
══════════════════════════════════════════════════ */
.cart-drawer {
  position:fixed; top:0; right:calc(var(--cart-w) * -1);
  width:var(--cart-w); height:100vh;
  background:var(--white); border-left:1px solid var(--gray-100);
  box-shadow:var(--sh-xl); z-index:1100;
  display:flex; flex-direction:column;
  transition:right var(--ease-slow);
}
.cart-drawer.open { right:0; }

.cart-backdrop {
  position:fixed; inset:0; background:rgba(15,18,32,.45);
  backdrop-filter:blur(3px); z-index:1099;
  opacity:0; pointer-events:none;
  transition:opacity var(--ease-base);
}
.cart-backdrop.open { opacity:1; pointer-events:all; }

.cart-header {
  padding:var(--s-5) var(--s-6);
  border-bottom:1px solid var(--gray-100);
  display:flex; align-items:center; justify-content:space-between;
  flex-shrink:0;
}
.cart-header-title {
  font-family:var(--f-body); font-size:1rem; font-weight:700;
  color:var(--black); display:flex; align-items:center; gap:var(--s-2);
}
.cart-header-title svg { width:18px; height:18px; color:var(--blue); }
.cart-close {
  width:32px; height:32px; border-radius:var(--r-md);
  background:var(--gray-50); display:flex;
  align-items:center; justify-content:center;
  color:var(--gray-400); transition:all var(--ease-fast); cursor:pointer;
}
.cart-close:hover { background:var(--gray-100); color:var(--gray-800); }
.cart-close svg { width:16px; height:16px; }

.cart-body { flex:1; overflow-y:auto; padding:var(--s-4) var(--s-6); }

/* Estado vacío */
.cart-empty {
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  height:100%; gap:var(--s-4); text-align:center; padding:var(--s-8);
}
.cart-empty svg { width:48px; height:48px; color:var(--gray-200); }
.cart-empty p { font-size:.875rem; color:var(--gray-400); }

/* Items */
.cart-item {
  display:flex; gap:var(--s-3); padding:var(--s-4) 0;
  border-bottom:1px solid var(--gray-100);
  align-items:flex-start;
}
.cart-item-info { flex:1; }
.cart-item-cat  { font-size:.7rem; font-weight:700; color:var(--green); text-transform:uppercase; letter-spacing:.08em; margin-bottom:2px; }
.cart-item-name { font-size:.875rem; font-weight:600; color:var(--black); line-height:1.3; margin-bottom:4px; }
.cart-item-price { font-size:1rem; font-weight:700; color:var(--blue); }
.cart-item-remove {
  background:none; border:none; color:var(--gray-200);
  cursor:pointer; padding:2px; border-radius:4px;
  transition:color var(--ease-fast); flex-shrink:0;
}
.cart-item-remove:hover { color:#e24b4a; }
.cart-item-remove svg { width:16px; height:16px; }

.cart-footer {
  padding:var(--s-5) var(--s-6);
  border-top:1px solid var(--gray-100);
  flex-shrink:0;
}
.cart-total-row {
  display:flex; justify-content:space-between; align-items:baseline;
  margin-bottom:var(--s-4);
}
.cart-total-label { font-size:.875rem; color:var(--gray-600); font-weight:500; }
.cart-total-amount { font-family:var(--f-display); font-size:1.6rem; font-weight:700; color:var(--blue); }
.cart-note { font-size:.72rem; color:var(--gray-400); margin-bottom:var(--s-4); line-height:1.5; }
.cart-pdf-btn {
  width:100%; background:var(--blue); color:#fff;
  border-radius:var(--r-lg); padding:var(--s-4);
  font-family:var(--f-body); font-size:.9rem; font-weight:700;
  display:flex; align-items:center; justify-content:center; gap:var(--s-2);
  cursor:pointer; box-shadow:var(--sh-blue);
  transition:all var(--ease-base); margin-bottom:var(--s-3);
}
.cart-pdf-btn:hover { background:var(--blue-dark); transform:translateY(-2px); }
.cart-pdf-btn svg { width:16px; height:16px; }
.cart-wa-btn {
  width:100%; background:#25D366; color:#fff;
  border-radius:var(--r-lg); padding:var(--s-3);
  font-family:var(--f-body); font-size:.85rem; font-weight:600;
  display:flex; align-items:center; justify-content:center; gap:var(--s-2);
  cursor:pointer; transition:all var(--ease-base);
}
.cart-wa-btn:hover { background:#1fb558; transform:translateY(-2px); }
.cart-wa-btn svg { width:15px; height:15px; }

/* ══════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════ */
.footer {
  background:var(--blue); color:rgba(255,255,255,.85);
  padding:var(--s-16) 0 var(--s-8); position:relative; overflow:hidden;
}
.footer::before {
  content:''; position:absolute; top:0; left:0; right:0;
  height:3px;
  background:linear-gradient(90deg,var(--blue-light),var(--green),var(--blue-light));
}
.footer::after {
  content:''; position:absolute; bottom:-120px; right:-120px;
  width:400px; height:400px; border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.06) 0%,transparent 65%);
  pointer-events:none;
}

.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:var(--s-12); margin-bottom:var(--s-12);
}
.footer-logo { height:40px; width:auto; filter:brightness(0) invert(1); opacity:.95; margin-bottom:var(--s-4); }
.footer-desc { font-size:.82rem; color:rgba(255,255,255,.7); line-height:1.8; margin-bottom:var(--s-5); }
.footer-socials { display:flex; gap:var(--s-3); }
.footer-social-link {
  width:34px; height:34px; border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.12);
  display:flex; align-items:center; justify-content:center;
  color:rgba(255,255,255,.45); transition:all var(--ease-base);
}
.footer-social-link:hover { border-color:var(--green); color:var(--green-light); transform:translateY(-2px); }
.footer-social-link svg { width:14px; height:14px; fill:currentColor; }

.footer-col-title {
  font-family:var(--f-body); font-size:.68rem; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase;
  color:#fff; margin-bottom:var(--s-5);
}
.footer-links { display:flex; flex-direction:column; gap:var(--s-3); }
.footer-link {
  font-size:.82rem; color:rgba(255,255,255,.72);
  display:flex; align-items:center; gap:var(--s-2);
  transition:color var(--ease-fast);
}
.footer-link::before {
  content:''; width:4px; height:4px; border-radius:50%;
  background:var(--green); opacity:0; flex-shrink:0;
  transition:opacity var(--ease-fast);
}
.footer-link:hover { color:#fff; }
.footer-link:hover::before { opacity:1; }

.footer-contact-item { display:flex; gap:var(--s-3); align-items:flex-start; margin-bottom:var(--s-4); }
.footer-contact-icon {
  width:32px; height:32px; background:rgba(255,255,255,.15);
  border-radius:var(--r-sm); display:flex; align-items:center; justify-content:center;
  color:rgba(255,255,255,.9); flex-shrink:0;
}
.footer-contact-icon svg { width:14px; height:14px; }
.footer-contact-text { font-size:.82rem; color:rgba(255,255,255,.5); line-height:1.6; }
.footer-contact-text strong { display:block; color:#fff; font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.07em; margin-bottom:2px; }

.footer-bottom {
  border-top:1px solid rgba(255,255,255,.07);
  padding-top:var(--s-8);
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:var(--s-4);
}
.footer-copy   { font-size:.72rem; color:rgba(255,255,255,.6); }
.footer-legal  { display:flex; gap:var(--s-6); }
.footer-legal a { font-size:.72rem; color:rgba(255,255,255,.28); transition:color var(--ease-fast); }
.footer-legal a:hover { color:rgba(255,255,255,.65); }

/* ── WA FAB ── */
.wa-fab {
  position:fixed; bottom:var(--s-6); right:var(--s-6);
  width:54px; height:54px; background:#25D366; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 24px rgba(37,211,102,.45); z-index:900;
  color:#fff; transition:all var(--ease-bounce);
}
.wa-fab:hover { transform:scale(1.12); box-shadow:0 10px 32px rgba(37,211,102,.6); }
.wa-fab svg   { width:28px; height:28px; }

/* ── Reveal ── */
.reveal { opacity:0; transform:translateY(28px); transition:opacity .65s ease,transform .65s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-left  { opacity:0; transform:translateX(-28px); transition:opacity .65s ease,transform .65s ease; }
.reveal-right { opacity:0; transform:translateX(28px);  transition:opacity .65s ease,transform .65s ease; }
.reveal-left.visible,.reveal-right.visible { opacity:1; transform:translateX(0); }
.d1{transition-delay:.08s} .d2{transition-delay:.16s} .d3{transition-delay:.24s} .d4{transition-delay:.32s}

/* ── Topbar buscador ── */
.topbar-input-icon {
  position: absolute; left: var(--s-4); top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--gray-400);
  pointer-events: none; stroke: currentColor; fill: none;
}
.topbar-btn svg { width: 14px; height: 14px; }

/* ── Responsive footer ── */
@media(max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;gap:var(--s-8);} }
@media(max-width:560px){ .footer-grid{grid-template-columns:1fr;} .footer-bottom{flex-direction:column;text-align:center;} }