/* ==========================================================================
   TRUFITA LAB — Estilos v2
   Inspirado en Graza.co: Premium, mucho whitespace, serif elegante
   Paleta: Chocolate #5C3A1E + Crema #E8D5A3
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */

:root {
  /* Colores */
  --color-chocolate: #5C3A1E;
  --color-chocolate-light: #7D5A3C;
  --color-chocolate-dark: #3D2510;
  --color-crema: #E8D5A3;
  --color-crema-light: #F5ECD4;
  --color-crema-dark: #D4C08A;
  --color-white: #FFFDF8;
  --color-black: #1A1409;
  --color-whatsapp: #25D366;

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;

  /* Tamaños de fuente */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 5rem;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;

  /* Efectos */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(92, 58, 30, 0.05);
  --shadow-md: 0 4px 12px rgba(92, 58, 30, 0.1);
  --shadow-lg: 0 12px 40px rgba(92, 58, 30, 0.15);
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-chocolate);
  background-color: var(--color-crema-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.8;
}

strong {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-10);
  }
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-chocolate-light);
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.section-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-chocolate-light);
  max-width: 500px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .section-header__title {
    font-size: var(--text-5xl);
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-chocolate);
  color: var(--color-crema-light);
  border-color: var(--color-chocolate);
}

.btn--primary:hover {
  background-color: var(--color-chocolate-dark);
  border-color: var(--color-chocolate-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  opacity: 1;
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-chocolate);
  border-color: var(--color-chocolate);
}

.btn--secondary:hover {
  background-color: var(--color-chocolate);
  color: var(--color-crema-light);
  opacity: 1;
}

.btn--white {
  background-color: var(--color-crema-light);
  color: var(--color-chocolate);
  border-color: var(--color-crema-light);
}

.btn--white:hover {
  background-color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  opacity: 1;
}

.btn--large {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background-color: var(--color-crema-light);
  box-shadow: var(--shadow-sm);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__logo-img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }
}

.header__link {
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.header__link:hover {
  opacity: 0.7;
}

.header__link--cta {
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-chocolate);
  color: var(--color-crema-light);
  border-radius: var(--radius-full);
}

.header__link--cta:hover {
  background-color: var(--color-chocolate-dark);
  opacity: 1;
}

/* Mobile Menu Button */
.header__menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

@media (min-width: 768px) {
  .header__menu-btn {
    display: none;
  }
}

.header__menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-chocolate);
  transition: all var(--transition-fast);
}

.header__menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-crema-light);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.mobile-nav__link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
}

.mobile-nav__link--cta {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-8);
  background-color: var(--color-chocolate);
  color: var(--color-crema-light);
  border-radius: var(--radius-full);
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--header-height) var(--space-6) var(--space-16);
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--color-crema) 0%,
    var(--color-crema-light) 50%,
    var(--color-crema-dark) 100%
  );
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 30% 70%,
    rgba(92, 58, 30, 0.05) 0%,
    transparent 50%
  );
}

.hero__content {
  position: relative;
  text-align: center;
  max-width: 800px;
}

.hero__eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-chocolate-light);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 500;
  line-height: 1;
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--text-6xl);
  }
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  font-weight: 400;
  margin-bottom: var(--space-8);
  opacity: 0.9;
}

.hero__description {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-chocolate-light);
  margin-bottom: var(--space-10);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-chocolate-light);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --------------------------------------------------------------------------
   Products
   -------------------------------------------------------------------------- */

.productos {
  padding: var(--space-24) 0;
  background-color: var(--color-white);
}

.productos__grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .productos__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
  }
}

/* Product Card */
.product-card {
  background-color: var(--color-crema-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  background-color: var(--color-crema);
  overflow: hidden;
}

.product-card__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 5rem;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__placeholder {
  transform: scale(1.05);
}

.product-card__badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-chocolate);
  color: var(--color-crema-light);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.product-card__content {
  padding: var(--space-6);
}

.product-card__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-3);
}

.product-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
}

.product-card__price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-chocolate);
}

.product-card__description {
  font-size: var(--text-base);
  color: var(--color-chocolate-light);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.product-card__details {
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-chocolate-light);
}

.product-card__details li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-1);
}

.product-card__details li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-chocolate);
}

/* --------------------------------------------------------------------------
   Process
   -------------------------------------------------------------------------- */

.proceso {
  padding: var(--space-24) 0;
  background-color: var(--color-crema-light);
}

.proceso__grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .proceso__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.step {
  text-align: center;
  padding: var(--space-6);
}

.step__number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 400;
  color: var(--color-chocolate-light);
  opacity: 0.4;
  margin-bottom: var(--space-4);
}

.step__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.step__text {
  font-size: var(--text-base);
  color: var(--color-chocolate-light);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   About / Nosotros
   -------------------------------------------------------------------------- */

.nosotros {
  padding: var(--space-24) 0;
  background-color: var(--color-white);
}

.nosotros__grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .nosotros__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.nosotros__image {
  order: -1;
}

@media (min-width: 768px) {
  .nosotros__image {
    order: 0;
  }
}

.nosotros__placeholder {
  aspect-ratio: 1;
  background-color: var(--color-crema);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
}

.nosotros__logo {
  width: 60%;
  max-width: 200px;
  opacity: 0.8;
}

.nosotros__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 500;
  margin-bottom: var(--space-6);
}

.nosotros__text {
  margin-bottom: var(--space-6);
}

.nosotros__text p {
  font-size: var(--text-lg);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.nosotros__tagline {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  margin-bottom: var(--space-8);
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-crema-light);
  border-radius: var(--radius-md);
  display: inline-block;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */

.cta {
  padding: var(--space-24) 0;
  background-color: var(--color-chocolate);
  color: var(--color-crema-light);
}

.cta__content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta__title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 500;
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .cta__title {
    font-size: var(--text-6xl);
  }
}

.cta__text {
  font-size: var(--text-xl);
  opacity: 0.9;
  margin-bottom: var(--space-10);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  padding: var(--space-16) 0 var(--space-8);
  background-color: var(--color-crema);
  border-top: 1px solid var(--color-crema-dark);
}

.footer__grid {
  display: grid;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-16);
  }
}

.footer__logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-base);
  color: var(--color-chocolate-light);
}

.footer__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.footer__links a,
.footer__contact a,
.footer__contact p {
  display: block;
  font-size: var(--text-base);
  color: var(--color-chocolate-light);
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.footer__links a:hover,
.footer__contact a:hover {
  color: var(--color-chocolate);
  opacity: 1;
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-crema-dark);
  text-align: center;
}

.footer__bottom p {
  font-size: var(--text-sm);
  color: var(--color-chocolate-light);
}

/* --------------------------------------------------------------------------
   WhatsApp Float
   -------------------------------------------------------------------------- */

.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  z-index: 1000;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
  opacity: 1;
}

/* Pulse animation */
.whatsapp-float::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  background-color: var(--color-whatsapp);
  animation: pulse 2s infinite;
  z-index: -1;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   Reduced Motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* --------------------------------------------------------------------------
   Print
   -------------------------------------------------------------------------- */

@media print {
  .header,
  .whatsapp-float,
  .cta,
  .hero__scroll {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .hero {
    min-height: auto;
    padding: 2rem;
  }
}