/* =============================================================
   AGROVALOR · Componentes v2
   Estética Apple-grade: blanco predominante, líneas finas, sombras sutiles
   ============================================================= */

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  padding: var(--space-4) 0;
  transition:
    background var(--duration) var(--ease-out-quart),
    backdrop-filter var(--duration) var(--ease-out-quart),
    border-color var(--duration) var(--ease-out-quart),
    padding var(--duration) var(--ease-out-quart);
  border-bottom: 1px solid transparent;
}
.navbar.is-scrolled {
  background: rgba(248, 245, 238, 0.78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--line-on-light);
  padding: var(--space-3) 0;
}
/* Mientras estamos sobre el hero (oscuro), navbar transparente con texto blanco */
.navbar.is-on-hero { background: transparent; border-bottom-color: transparent; }
.navbar.is-on-hero .navbar-link,
.navbar.is-on-hero .navbar-brand { color: var(--paper-100); }
.navbar.is-on-hero .navbar-link { color: rgba(248, 245, 238, 0.78); }

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.4rem;       /* MÁS GRANDE — texto bien legible */
  letter-spacing: -0.045em;
  transition: color var(--duration) var(--ease-out-quart);
  line-height: 1;
}
.navbar-brand-mark {
  width: 44px;             /* MÁS GRANDE — el símbolo destaca */
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: -6px;
}
.navbar-brand-mark svg {
  width: 100%;
  height: 100%;
  display: block;
}
.navbar-brand sup {
  font-size: 0.45em !important;
  vertical-align: super;
  opacity: 0.6;
  margin-left: 2px;
  font-weight: 600;
}
@media (max-width: 640px) {
  .navbar-brand { font-size: 1.15rem; }
  .navbar-brand-mark { width: 36px; height: 36px; }
}
.navbar-brand-mark svg { width: 100%; height: 100%; display: block; }
.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.navbar-link {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--ink-700);
  position: relative;
  transition: color var(--duration-fast) var(--ease-out-quart);
}
.navbar-link:hover { color: var(--orange-500); }
.navbar-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--orange-500);
  transition: width var(--duration) var(--ease-out-quart);
}
.navbar-link:hover::after { width: 100%; }
.navbar-cta {
  padding: var(--space-2) var(--space-5);
  background: var(--ink-900);
  color: var(--paper-100);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  transition:
    background var(--duration-fast) var(--ease-out-quart),
    transform var(--duration-fast) var(--ease-out-quart);
}
.navbar-cta:hover {
  background: var(--orange-500);
  transform: translateY(-1px);
}
.navbar.is-on-hero .navbar-cta { background: var(--orange-500); color: var(--white); }
.navbar.is-on-hero .navbar-cta:hover { background: var(--orange-400); }

.navbar-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}
.navbar-burger span {
  width: 22px;
  height: 1.5px;
  background: var(--ink-900);
  transition: transform var(--duration) var(--ease-out-quart);
}
.navbar.is-on-hero .navbar-burger span { background: var(--paper-100); }

@media (max-width: 1023px) {
  .navbar-links { display: none; }
  .navbar-burger { display: flex; }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-normal);
  transition: all var(--duration) var(--ease-out-quart);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--orange-500);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--orange-400);
  transform: translateY(-2px);
  box-shadow: var(--glow-orange);
}
.btn-secondary {
  background: var(--ink-900);
  color: var(--paper-100);
}
.btn-secondary:hover {
  background: var(--navy-700);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--ink-900);
  box-shadow: inset 0 0 0 1px var(--ink-300);
}
.btn-outline:hover {
  box-shadow: inset 0 0 0 1px var(--ink-900);
  background: var(--ink-900);
  color: var(--paper-100);
  transform: translateY(-2px);
}
.btn-outline-light {
  background: transparent;
  color: var(--paper-100);
  box-shadow: inset 0 0 0 1px rgba(248, 245, 238, 0.4);
}
.btn-outline-light:hover {
  box-shadow: inset 0 0 0 1px var(--paper-100);
  background: rgba(248, 245, 238, 0.05);
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* === Card producto Apple-grade === */
.product-card {
  position: relative;
  background: var(--paper-100);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition:
    transform var(--duration-slow) var(--ease-out-expo),
    box-shadow var(--duration-slow) var(--ease-out-expo);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 0 1px var(--line-on-light);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow:
    0 0 0 1px var(--line-on-light),
    var(--shadow-lg);
}

.product-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-200);
}
.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1200ms var(--ease-out-expo);
}
.product-card:hover .product-card-media img {
  transform: scale(1.08);
}
.product-card-body {
  padding: var(--space-6) var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.product-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-mono-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--orange-500);
}
.product-card-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange-500);
}
.product-card-title {
  font-family: var(--font-sans);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--ink-900);
}
.product-card-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--ink-500);
}
.product-card-cta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--orange-500);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--duration) var(--ease-out-quart);
}
.product-card:hover .product-card-cta { gap: var(--space-4); }
.product-card-cta-arrow {
  display: inline-block;
  transition: transform var(--duration) var(--ease-out-expo);
}
.product-card:hover .product-card-cta-arrow { transform: translateX(4px); }

/* === Stats band === */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-12);
  padding-block: var(--space-16);
  border-top: 1px solid var(--line-on-light);
  border-bottom: 1px solid var(--line-on-light);
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.stat-num {
  font-family: var(--font-sans);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: var(--weight-bold);
  line-height: 0.95;
  letter-spacing: var(--tracking-tightest);
  color: var(--ink-900);
}
.stat-num em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: var(--weight-medium);
  color: var(--orange-500);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--ink-500);
}

@media (max-width: 767px) {
  .stats-band { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
}

/* === Section heading === */
.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 64rem;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}
.section-head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-12);
  margin-bottom: clamp(3rem, 6vw, 6rem);
}
.section-head-row .section-head { margin-bottom: 0; }
@media (max-width: 1023px) {
  .section-head-row { flex-direction: column; align-items: flex-start; gap: var(--space-6); }
}

/* === Footer === */
.footer {
  background: var(--navy-900);
  color: var(--paper-100);
  padding: clamp(4rem, 8vw, 8rem) 0 var(--space-12);
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-20);
}
.footer-col .navbar-brand { color: var(--paper-100); }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--orange-500);
  margin-bottom: var(--space-5);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
  color: rgba(248, 245, 238, 0.72);
  transition: color var(--duration-fast) var(--ease-out-quart);
}
.footer-col a:hover { color: var(--orange-500); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--line-on-dark);
  font-size: var(--text-sm);
  color: rgba(248, 245, 238, 0.5);
}
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; gap: var(--space-4); }
}

/* === WhatsApp floating === */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-sticky);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition:
    transform var(--duration-slow) var(--ease-spring),
    box-shadow var(--duration) var(--ease-out-quart);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 14px 36px rgba(37, 211, 102, 0.6);
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}