/* ===== CSS VARIABLES ===== */
:root {
    --color-primary: #2D2D2D; --color-primary-dark: #1a1a1a; --color-accent: #FF0000;
    --color-accent-hover: #cc0000; --color-gray: #CECECE; --color-white: #FFFFFF;
    --color-bg: #FAFAFA; --color-bg-alt: #F5F5F5; --color-text: #1A1A1A;
    --color-text-muted: #666666; --color-border: #E5E5E5;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05); --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12); --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 24px; --radius-full: 9999px;
    --space-xs: 0.5rem; --space-sm: 1rem; --space-md: 1.5rem; --space-lg: 2rem;
    --space-xl: 3rem; --space-2xl: 4rem; --space-3xl: 6rem;
    --font-heading: 'Manrope', system-ui, -apple-system, sans-serif;
    --font-body: 'Poppins', -apple-system, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  /* ===== RESET ===== */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { font-family: var(--font-body); color: var(--color-text); background: var(--color-bg); line-height: 1.6; font-size: 1rem; overflow-x: hidden; }
  img { max-width: 100%; height: auto; display: block; }
  a { text-decoration: none; color: inherit; transition: var(--transition); }
  ul { list-style: none; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  input, textarea { font-family: inherit; }
  :focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
  
  /* ===== CONTAINER ===== */
  .container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 var(--space-md); }
  
  /* ===== HEADER ===== */
  .header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.98); backdrop-filter: blur(12px); border-bottom: 2px solid var(--color-border); padding: var(--space-sm) 0; transition: var(--transition); }
  .header.scrolled { padding: var(--space-xs) 0; box-shadow: var(--shadow-md); }
  .header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
  .logo { display: flex; align-items: center; gap: var(--space-xs); }
  .logo img { height: 50px; width: auto; object-fit: contain; }
  .logo-text { display: flex; align-items: center; gap: var(--space-xs); font-weight: 700; font-size: 1.5rem; color: var(--color-primary); }
  .logo-text i { font-size: 2rem; color: var(--color-accent); }
  .logo-text strong { font-weight: 800; }
  .nav__list { display: flex; align-items: center; gap: var(--space-lg); }
  .nav__link { font-weight: 500; font-size: 0.875rem; color: var(--color-text-muted); position: relative; padding: var(--space-xs) 0; text-transform: lowercase; letter-spacing: 0.5px; }
  .nav__link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--color-accent); transition: var(--transition); }
  .nav__link:hover, .nav__link.active { color: var(--color-primary); }
  .nav__link:hover::after, .nav__link.active::after { width: 100%; }
  .nav__toggle { display: none; font-size: 1.75rem; color: var(--color-primary); padding: var(--space-xs); }
  
  /* ===== HERO SLIDER ===== */
  .hero { position: relative; overflow: hidden; }
  .hero__slider { position: relative; }
  .hero__slide { display: none; padding: var(--space-3xl) 0 var(--space-2xl); min-height: 550px; position: relative; }
  .hero__slide.active { display: block; animation: fadeIn 0.8s ease; }
  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
  .hero__bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: 0; }
  .hero__content { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr; align-items: center; min-height: 450px; }
  .hero__text { max-width: 700px; }
  .hero__tag { display: inline-block; background: var(--color-bg-alt); color: var(--color-text); padding: var(--space-xs) var(--space-md); border-radius: var(--radius-full); font-weight: 600; font-size: 0.875rem; margin-bottom: var(--space-md); }
  .hero__title { font-family: var(--font-heading); font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; margin-bottom: var(--space-md); color: var(--color-primary); }
  .hero__title .highlight { display: block; color: var(--color-accent); margin-top: var(--space-xs); }
  .hero__subtitle { font-size: 1.25rem; color: var(--color-text-muted); margin-bottom: var(--space-xl); line-height: 1.6; }
  .hero__actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }
  .hero__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 50px; height: 50px; background: var(--color-white); border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--color-primary); box-shadow: var(--shadow-md); transition: var(--transition); z-index: 10; }
  .hero__nav:hover { background: var(--color-accent); color: var(--color-white); }
  .hero__nav--prev { left: var(--space-md); }
  .hero__nav--next { right: var(--space-md); }
  .hero__dots { display: flex; justify-content: center; gap: var(--space-sm); padding: var(--space-md); position: relative; z-index: 10; }
  .hero__dot { width: 12px; height: 12px; border-radius: var(--radius-full); background: var(--color-border); cursor: pointer; transition: var(--transition); }
  .hero__dot.active { background: var(--color-accent); width: 32px; border-radius: var(--radius-full); }
  
  /* ===== BUTTONS ===== */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); padding: 1rem 2rem; font-weight: 600; font-size: 1rem; border-radius: var(--radius-md); cursor: pointer; transition: var(--transition); border: 2px solid transparent; white-space: nowrap; }
  .btn--primary { background: var(--color-accent); color: var(--color-white); border-color: var(--color-accent); box-shadow: 0 4px 12px rgba(255,0,0,0.3); }
  .btn--primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,0,0,0.4); }
  .btn--outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
  .btn--outline:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); }
  .btn--full { width: 100%; }
  
  /* ===== STATS ===== */
  .stats { padding: var(--space-2xl) 0; background: var(--color-primary); }
  .stats__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-lg); }
  .stat-card { text-align: center; padding: var(--space-lg); background: rgba(255,255,255,0.08); border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.1); transition: var(--transition); }
  .stat-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-8px); box-shadow: var(--shadow-xl); }
  .stat-card__icon { font-size: 2.5rem; color: var(--color-accent); margin-bottom: var(--space-md); }
  .stat-card__number { display: block; font-family: var(--font-heading); font-size: clamp(2.5rem, 6vw, 3.5rem); font-weight: 800; color: var(--color-white); line-height: 1; margin-bottom: var(--space-xs); opacity: 0; transform: translateY(20px); }
  .stat-card__number.animating { animation: countUp 0.8s ease forwards; }
  @keyframes countUp { to { opacity: 1; transform: translateY(0); } }
  .stat-card:nth-child(1) .stat-card__number.animating { animation-delay: 0.2s; }
  .stat-card:nth-child(2) .stat-card__number.animating { animation-delay: 0.4s; }
  .stat-card:nth-child(3) .stat-card__number.animating { animation-delay: 0.6s; }
  .stat-card__label { font-size: 0.9375rem; color: var(--color-gray); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }
  
  /* ===== FEATURES ===== */
  .features { padding: var(--space-2xl) 0; background: var(--color-white); }
  .section-header { text-align: center; margin-bottom: var(--space-xl); }
  .section-title { font-family: var(--font-heading); font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; color: var(--color-primary); margin-bottom: var(--space-sm); }
  .section-subtitle { font-size: 1.125rem; color: var(--color-text-muted); }
  .features__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-lg); }
  .feature-card { text-align: center; padding: var(--space-lg); background: var(--color-bg); border-radius: var(--radius-lg); border: 2px solid var(--color-border); transition: var(--transition); }
  .feature-card:hover { border-color: var(--color-accent); transform: translateY(-8px); box-shadow: var(--shadow-lg); }
  .feature-card__icon { font-size: 3rem; color: var(--color-accent); margin-bottom: var(--space-md); }
  .feature-card__title { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-sm); }
  .feature-card__text { color: var(--color-text-muted); font-size: 0.9375rem; line-height: 1.6; }
  
  /* ===== PRODUCTS ===== */
  .products { padding: var(--space-2xl) 0; background: var(--color-bg-alt); }
  .products__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-lg); margin-bottom: var(--space-xl); justify-content: center; align-items: stretch; }
  .product-card { background: var(--color-white); padding: var(--space-lg); border-radius: var(--radius-lg); border: 2px solid var(--color-border); transition: var(--transition); text-align: center; height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
  .product-card:hover { border-color: var(--color-accent); transform: translateY(-8px); box-shadow: var(--shadow-lg); }
  .product-card__icon { font-size: 3rem; color: var(--color-accent); margin-bottom: var(--space-md); }
  .product-card__title { font-family: var(--font-heading); font-size: 1.125rem; font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-sm); }
  .product-card__text { color: var(--color-text-muted); margin-bottom: var(--space-md); font-size: 0.875rem; line-height: 1.5; flex-grow: 1; }
  .product-card__link { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); color: var(--color-accent); font-weight: 600; font-size: 0.875rem; margin-top: auto; }
  .product-card__link:hover { gap: var(--space-sm); }
  
  /* ===== TESTIMONIALS ===== */
  .testimonials { padding: var(--space-2xl) 0; background: var(--color-white); }
  .testimonials__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--space-lg); }
  .testimonial-card { background: var(--color-bg); padding: var(--space-lg); border-radius: var(--radius-lg); border: 2px solid var(--color-border); transition: var(--transition); }
  .testimonial-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-md); }
  .testimonial-card__stars { color: #FFB800; font-size: 1.25rem; margin-bottom: var(--space-md); }
  .testimonial-card__text { color: var(--color-text); font-size: 1rem; line-height: 1.6; margin-bottom: var(--space-lg); font-style: italic; }
  .testimonial-card__author { display: flex; align-items: center; gap: var(--space-md); }
  .testimonial-card__avatar { width: 50px; height: 50px; border-radius: var(--radius-full); background: var(--color-primary); color: var(--color-white); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
  .testimonial-card__author strong { display: block; color: var(--color-primary); font-weight: 600; }
  .testimonial-card__author span { color: var(--color-text-muted); font-size: 0.875rem; }
  
  /* ===== BRANDS ===== */
  .brands { padding: var(--space-2xl) 0; background: var(--color-bg-alt); overflow: hidden; }
  .brands__track { display: flex; gap: var(--space-lg); padding: var(--space-md); }
  .brands__track img { flex: 0 0 auto; max-width: 140px; height: 80px; object-fit: contain; filter: grayscale(100%); opacity: 0.7; transition: var(--transition); border-radius: var(--radius-md); padding: var(--space-sm); background: var(--color-white); }
  .brands__track img:hover { filter: grayscale(0%); opacity: 1; transform: scale(1.05); }
  
  /* ===== CONTACT ===== */
  .contact { padding: var(--space-2xl) 0; background: var(--color-bg); }
  .contact__wrapper { display: grid; grid-template-columns: 1fr; gap: var(--space-2xl); }
  .contact__info { background: var(--color-primary); color: var(--color-white); padding: var(--space-xl); border-radius: var(--radius-lg); }
  .contact__info .section-title { color: var(--color-white); text-align: left; }
  .contact__text { color: var(--color-gray); margin-bottom: var(--space-lg); font-size: 1.0625rem; }
  .contact__list { display: flex; flex-direction: column; gap: var(--space-md); margin-bottom: var(--space-lg); }
  .contact__list li { display: flex; align-items: flex-start; gap: var(--space-md); }
  .contact__list i { font-size: 1.5rem; color: var(--color-accent); flex-shrink: 0; }
  .contact__list strong { display: block; margin-bottom: var(--space-xs); font-weight: 600; }
  .contact__list span, .contact__list a { color: var(--color-gray); font-size: 0.9375rem; display: block; }
  .contact__list a:hover { color: var(--color-white); }
  .contact__social { display: flex; gap: var(--space-sm); }
  .social-link { width: 48px; height: 48px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--color-white); transition: var(--transition); }
  .social-link.whatsapp { background: #25D366; }
  .social-link.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
  .social-link.linkedin { background: #0A66C2; }
  .social-link:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
  .contact__form { background: var(--color-white); padding: var(--space-xl); border-radius: var(--radius-lg); border: 2px solid var(--color-border); }
  .form__header { margin-bottom: var(--space-lg); }
  .form__header h3 { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-xs); }
  .form__header p { color: var(--color-text-muted); }
  .form__group { margin-bottom: var(--space-md); }
  .form__label { display: block; font-weight: 600; font-size: 0.9375rem; margin-bottom: var(--space-xs); color: var(--color-text); }
  .form__input { width: 100%; padding: 0.875rem 1rem; border: 2px solid var(--color-border); border-radius: var(--radius-md); font-size: 1rem; transition: var(--transition); background: var(--color-white); }
  .form__input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 4px rgba(255,0,0,0.1); }
  .form__input::placeholder { color: var(--color-text-muted); }
  .form__textarea { resize: vertical; min-height: 120px; }
  .form__feedback { margin-top: var(--space-md); font-size: 0.9375rem; text-align: center; font-weight: 500; min-height: 1.5rem; }
  .form__feedback.success { color: #059669; }
  .form__feedback.error { color: #dc2626; }
  
  /* ===== FOOTER ===== */
  .footer { background: var(--color-primary-dark); color: var(--color-white); padding: var(--space-2xl) 0 var(--space-md); }
  .footer__top { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); margin-bottom: var(--space-xl); padding-bottom: var(--space-xl); border-bottom: 1px solid rgba(255,255,255,0.1); }
  .footer__brand .logo { color: var(--color-white); margin-bottom: var(--space-md); }
  .footer-logo { max-width: 200px; height: auto; margin-bottom: var(--space-md); filter: brightness(0) invert(1); }
  .footer__brand p { color: var(--color-gray); line-height: 1.6; margin-bottom: var(--space-lg); }
  .footer__social { display: flex; gap: var(--space-sm); }
  .footer__social .social-link { width: 44px; height: 44px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; color: var(--color-white); transition: var(--transition); }
  .footer__social .social-link.whatsapp { background: #25D366; }
  .footer__social .social-link.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
  .footer__social .social-link.linkedin { background: #0A66C2; }
  .footer__social .social-link:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
  .footer__links h4, .footer__contact h4 { font-family: var(--font-heading); font-size: 1.125rem; font-weight: 700; margin-bottom: var(--space-md); color: var(--color-white); }
  .footer__links ul, .footer__contact ul { display: flex; flex-direction: column; gap: var(--space-sm); }
  .footer__links a, .footer__contact li { color: var(--color-gray); display: flex; align-items: center; gap: var(--space-xs); }
  .footer__links a:hover { color: var(--color-white); padding-left: var(--space-xs); }
  .footer__contact i { color: var(--color-accent); }
  .footer__bottom { text-align: center; color: var(--color-gray); font-size: 0.875rem; }
  .footer__bottom p { margin-bottom: var(--space-xs); }
  .footer__bottom a { color: var(--color-gray); }
  .footer__bottom a:hover { color: var(--color-white); }
  
  /* ===== WHATSAPP FLOAT ===== */
  .whatsapp-float { position: fixed; bottom: var(--space-lg); right: var(--space-lg); width: 60px; height: 60px; border-radius: var(--radius-full); background: #25D366; color: white; display: flex; align-items: center; justify-content: center; font-size: 2rem; box-shadow: var(--shadow-xl); transition: var(--transition); z-index: 999; animation: pulse 2s infinite; }
  @keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
  .whatsapp-float:hover { transform: translateY(-4px) scale(1.1); box-shadow: 0 12px 32px rgba(37,211,102,0.4); animation: none; }
  
  /* ===== RESPONSIVE ===== */
  @media (min-width: 768px) { .contact__wrapper { grid-template-columns: 1fr 1.2fr; } .footer__top { grid-template-columns: 2fr 1fr 1fr; } }
  @media (min-width: 1024px) { .hero__slide { min-height: 600px; } }
  @media (max-width: 768px) {
    .hero__slide { padding: var(--space-2xl) 0; min-height: auto; }
    .hero__content { min-height: auto; padding: var(--space-lg) 0; }
    .hero__nav { width: 40px; height: 40px; font-size: 1.25rem; }
    .hero__nav--prev { left: var(--space-sm); }
    .hero__nav--next { right: var(--space-sm); }
    .logo img { height: 40px; }
    .products__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
    .nav__list { position: fixed; top: 72px; left: 0; right: 0; background: var(--color-white); flex-direction: column; padding: var(--space-lg); gap: var(--space-md); border-bottom: 2px solid var(--color-border); transform: translateY(-150%); transition: var(--transition); box-shadow: var(--shadow-lg); }
    .nav__list.active { transform: translateY(0); }
    .nav__toggle { display: block; }
    .hero__actions { flex-direction: column; }
    .btn { width: 100%; }
    .contact__info, .contact__form { padding: var(--space-md); }
    .whatsapp-float { width: 56px; height: 56px; font-size: 1.75rem; bottom: var(--space-md); right: var(--space-md); }
  }
  @media (max-width: 480px) {
    .products__grid { grid-template-columns: 1fr; }
    .features__grid { grid-template-columns: 1fr; }
    .testimonials__grid { grid-template-columns: 1fr; }
  }
  
  /* ===== ACCESSIBILITY ===== */
  @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } html { scroll-behavior: auto; } }
  
  /* ===== ANIMATIONS ===== */
  @keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
  .hero__text, .stat-card, .product-card, .feature-card, .testimonial-card { animation: fadeInUp 0.6s ease forwards; opacity: 0; }
  .hero__text { animation-delay: 0.1s; opacity: 1; }
  .stat-card:nth-child(1) { animation-delay: 0.2s; opacity: 1; }
  .stat-card:nth-child(2) { animation-delay: 0.3s; }
  .stat-card:nth-child(3) { animation-delay: 0.4s; }
  .product-card:nth-child(1) { animation-delay: 0.1s; opacity: 1; }
  .product-card:nth-child(2) { animation-delay: 0.2s; }
  .product-card:nth-child(3) { animation-delay: 0.3s; }
  .product-card:nth-child(4) { animation-delay: 0.4s; }
  .product-card:nth-child(5) { animation-delay: 0.5s; opacity: 1; }