/* ==========================================================================
   HIDRO KANK — main.css
   Fundamentos: variables, reset, tipografía, layout, header, footer, utilidades
   ========================================================================== */

:root {
  /* ---- Paleta (extraída del isotipo real y evolucionada) ---- */
  --verde-hoja: #6FBE44;
  --verde-hoja-dark: #4E9A2E;
  --verde-profundo: #1F5C3B;
  --verde-profundo-dark: #143D27;
  --azul-gota: #1C8FD1;
  --azul-gota-dark: #0E5A94;
  --carbon: #23231F;
  --carbon-suave: #55554E;
  --crema: #F7F4EC;
  --crema-alt: #EFEADB;
  --crema-linea: #E4DFCE;
  --blanco: #FFFFFF;
  --acento: #D9642A;
  --acento-dark: #B24F1B;

  --tinte-verde: #E7F1DE;
  --tinte-arena: #F3ECDC;
  --tinte-azul: #E1EEF5;
  --tinte-crema: #FBF6EA;
  --exito: #2E7D4F;
  --error: #B23A2E;

  --borde-suave: rgba(35, 35, 31, 0.10);
  --sombra-sm: 0 2px 10px rgba(31, 30, 20, 0.06);
  --sombra-md: 0 12px 32px rgba(31, 30, 20, 0.10);
  --sombra-lg: 0 24px 64px rgba(20, 40, 30, 0.18);

  /* ---- Tipografía (solo system-font stacks, sin fuentes externas) ---- */
  --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* ---- Escala tipográfica fluida ---- */
  --fs-xs: clamp(0.76rem, 0.73rem + 0.15vw, 0.85rem);
  --fs-sm: clamp(0.88rem, 0.85rem + 0.15vw, 0.95rem);
  --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  --fs-md: clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
  --fs-lg: clamp(1.4rem, 1.25rem + 0.75vw, 1.9rem);
  --fs-xl: clamp(1.9rem, 1.55rem + 1.75vw, 2.9rem);
  --fs-2xl: clamp(2.4rem, 1.85rem + 2.75vw, 4rem);
  --fs-3xl: clamp(3rem, 2.1rem + 4.5vw, 5.6rem);

  /* ---- Espaciado ---- */
  --sp-3xs: 0.25rem;
  --sp-2xs: 0.5rem;
  --sp-xs: 0.75rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: clamp(2rem, 1.6rem + 2vw, 3.5rem);
  --sp-xl: clamp(3rem, 2rem + 5vw, 6rem);
  --sp-2xl: clamp(4rem, 2.5rem + 7.5vw, 9rem);

  --radio-sm: 8px;
  --radio-md: 16px;
  --radio-lg: 28px;
  --radio-pill: 999px;

  --contenedor: 1320px;
  --transicion: 240ms cubic-bezier(.2, .7, .3, 1);
  --transicion-lenta: 560ms cubic-bezier(.16, .8, .24, 1);

  --header-h: 84px;
}

/* ---------------------------------- Reset --------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--carbon);
  background: var(--crema);
  -webkit-font-smoothing: antialiased;
}

img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
table { border-collapse: collapse; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--carbon);
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p { max-width: 62ch; }
p.medida-completa { max-width: none; }

/* --------------------------------- Enfoque -------------------------------- */
:focus-visible {
  outline: 3px solid var(--azul-gota);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -------------------------------- Skip link ------------------------------- */
.skip-link {
  position: absolute;
  left: var(--sp-sm);
  top: -60px;
  background: var(--verde-profundo);
  color: var(--blanco);
  padding: var(--sp-xs) var(--sp-sm);
  border-radius: var(--radio-sm);
  z-index: 1000;
  transition: top var(--transicion);
  font-weight: 600;
}
.skip-link:focus { top: var(--sp-sm); }

/* -------------------------------- Contenedor ------------------------------- */
.contenedor {
  width: 100%;
  max-width: var(--contenedor);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 1rem + 2vw, 3rem);
}

section { position: relative; }
.seccion { padding-block: var(--sp-2xl); }
.seccion--comprimida { padding-block: var(--sp-xl); }

.etiqueta-seccion {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2xs);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verde-profundo);
  margin-bottom: var(--sp-xs);
}
.etiqueta-seccion::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--acento);
  display: inline-block;
}

.cabecera-seccion {
  max-width: 46rem;
  margin-bottom: var(--sp-lg);
}
.cabecera-seccion--centro { margin-inline: auto; text-align: center; }

/* ============================== Reveal on scroll ========================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transicion-lenta), transform var(--transicion-lenta);
  will-change: opacity, transform;
}
[data-reveal].en-vista { opacity: 1; transform: translateY(0); }
[data-reveal="izquierda"] { transform: translateX(-32px); }
[data-reveal="izquierda"].en-vista { transform: translateX(0); }
[data-reveal="derecha"] { transform: translateX(32px); }
[data-reveal="derecha"].en-vista { transform: translateX(0); }
[data-reveal="escala"] { transform: scale(0.94); }
[data-reveal="escala"].en-vista { transform: scale(1); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ==================================== Header =============================== */
.encabezado {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(247, 244, 236, 0.92);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--borde-suave);
  transition: transform var(--transicion), box-shadow var(--transicion), background var(--transicion);
}
.encabezado.encabezado--oculto { transform: translateY(-100%); }
.encabezado.encabezado--con-sombra { box-shadow: var(--sombra-sm); }

.encabezado__fila {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  width: 100%;
}

.marca {
  display: flex;
  align-items: center;
  gap: var(--sp-2xs);
  flex-shrink: 0;
}
.marca__logo { height: 42px; width: auto; }
.marca__texto { display: none; }
@media (min-width: 560px) {
  .marca__texto {
    display: block;
    font-family: var(--font-body);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--verde-profundo);
    border-left: 2px solid var(--crema-linea);
    padding-left: var(--sp-sm);
    line-height: 1.4;
    max-width: 92px;
  }
}

.nav-principal { display: none; }
@media (min-width: 992px) {
  .nav-principal {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    margin-inline: auto;
  }
  .nav-principal__link {
    position: relative;
    font-weight: 600;
    font-size: var(--fs-sm);
    padding-block: var(--sp-2xs);
  }
  .nav-principal__link::after {
    content: "";
    position: absolute;
    left: 0; right: 100%;
    bottom: -2px;
    height: 2px;
    background: var(--acento);
    transition: right var(--transicion);
  }
  .nav-principal__link:hover::after,
  .nav-principal__link:focus-visible::after,
  .nav-principal__link.activo::after { right: 0; }
}

.encabezado__acciones {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  margin-left: auto;
}

.btn-icono {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--borde-suave);
  background: var(--blanco);
  transition: border-color var(--transicion), transform var(--transicion);
}
.btn-icono:hover { border-color: var(--verde-hoja); transform: translateY(-2px); }
.btn-icono svg { width: 20px; height: 20px; }

.badge-carrito {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 20px;
  height: 20px;
  padding-inline: 4px;
  border-radius: var(--radio-pill);
  background: var(--acento-dark);
  color: var(--blanco);
  font-size: 0.68rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  border: 2px solid var(--crema);
}
.badge-carrito[hidden] { display: none; }

.btn-hamburguesa {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--borde-suave);
  background: var(--blanco);
}
@media (min-width: 992px) { .btn-hamburguesa { display: none; } }
.btn-hamburguesa svg { width: 20px; height: 20px; }

/* Menú mobile */
.menu-movil {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--crema);
  z-index: 190;
  padding: var(--sp-lg) var(--sp-md);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transicion-lenta);
}
.menu-movil.activo { transform: translateX(0); }
.menu-movil__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-sm) 0;
  border-bottom: 1px solid var(--crema-linea);
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
}
.menu-movil__cta { margin-top: var(--sp-lg); }
@media (min-width: 992px) { .menu-movil { display: none; } }

/* ==================================== Footer =============================== */
.pie {
  background: var(--verde-profundo-dark);
  color: rgba(255,255,255,0.86);
  padding-block: var(--sp-2xl) var(--sp-md);
  position: relative;
  overflow: hidden;
}
.pie__grid {
  display: grid;
  gap: var(--sp-lg);
  grid-template-columns: 1.3fr repeat(3, 1fr);
}
@media (max-width: 900px) {
  .pie__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .pie__grid { grid-template-columns: 1fr; }
}
.pie__marca { display: flex; align-items: center; gap: var(--sp-2xs); margin-bottom: var(--sp-sm); }
.pie__marca img { height: 40px; width: auto; filter: brightness(0) invert(1); opacity: 0.95; }
.pie h3 {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--verde-hoja);
  margin-bottom: var(--sp-sm);
}
.pie__lista { display: flex; flex-direction: column; gap: var(--sp-2xs); }
.pie__lista a, .pie__texto { color: rgba(255,255,255,0.78); font-size: var(--fs-sm); }
.pie__lista a { transition: color var(--transicion); }
.pie__lista a:hover { color: var(--blanco); }
.pie__redes { display: flex; gap: var(--sp-xs); margin-top: var(--sp-sm); }
.pie__redes a {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  transition: background var(--transicion), transform var(--transicion);
}
.pie__redes a:hover { background: var(--verde-hoja); transform: translateY(-3px); }
.pie__redes svg { width: 18px; height: 18px; }

.pie__pagos { display: flex; flex-wrap: wrap; gap: var(--sp-2xs); }
.pie__pago-chip {
  padding: 6px 12px;
  border-radius: var(--radio-pill);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.pie__inferior {
  margin-top: var(--sp-xl);
  padding-top: var(--sp-md);
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.6);
}
.pie__inferior a { color: rgba(255,255,255,0.85); font-weight: 600; }
.pie__inferior a:hover { color: var(--verde-hoja); }

/* ============================== Utilidades varias =========================== */
.solo-sr {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.flotante-whatsapp {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 150;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--verde-profundo);
  color: var(--blanco);
  display: grid;
  place-items: center;
  box-shadow: var(--sombra-lg);
  transition: transform var(--transicion);
}
.flotante-whatsapp:hover { transform: scale(1.08) translateY(-3px); }
.flotante-whatsapp svg { width: 28px; height: 28px; }

/* ============================== Barra de progreso de scroll ================== */
.progreso-scroll {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--verde-hoja), var(--azul-gota), var(--acento));
  transform: scaleX(0);
  transform-origin: 0 center;
  z-index: 500;
  will-change: transform;
}

/* ============================== Onda de clic (ripple) en botones ============== */
.onda-clic {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: expandir-onda 650ms ease-out forwards;
  pointer-events: none;
}
@keyframes expandir-onda {
  to { transform: scale(1); opacity: 0; }
}

/* ============================== Tilt 3D al puntero (tarjetas) ================= */
[data-tilt] {
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateY(var(--tilt-lift, 0px));
  transition: transform 180ms ease-out, box-shadow 220ms ease;
  will-change: transform;
}
[data-tilt]:hover { --tilt-lift: -6px; }
@media (prefers-reduced-motion: reduce), (hover: none) {
  [data-tilt] { transform: none !important; }
}

/* ============================== Entrada escalonada (grillas dinámicas) ======== */
@keyframes aparecer-tarjeta {
  from { opacity: 0; transform: translateY(22px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.animar-entrada { animation: aparecer-tarjeta 560ms cubic-bezier(.16, .8, .24, 1) both; }

/* ============================== Flotación suave (elementos decorativos) ======= */
@keyframes flotar {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(6deg); }
}
@keyframes flotar-inverso {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(12px) rotate(-7deg); }
}
@keyframes flotar-sutil {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@keyframes pulso-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
  50% { box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.14); }
}
@keyframes girar-lento {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================== Confeti de hojas/gotas ======================== */
.confeti-contenedor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 600;
  overflow: hidden;
}
.confeti-particula {
  position: absolute;
  top: -6%;
  will-change: transform, opacity;
  animation-name: caer-confeti;
  animation-timing-function: cubic-bezier(.35, 0, .65, 1);
  animation-fill-mode: forwards;
}
@keyframes caer-confeti {
  to { transform: translateY(112vh) rotate(var(--rot-final, 260deg)); opacity: 0.15; }
}

@media (prefers-reduced-motion: reduce) {
  .progreso-scroll { display: none; }
}

@media print {
  .encabezado, .pie, .flotante-whatsapp, .menu-movil, .carrito-drawer, .marquee-categorias, .progreso-scroll { display: none !important; }
}