/* ===== VARIABLES ===== */
:root {
  --blue: #1A6BB5;
  --blue-dark: #155a9a;
  --blue-light: #2a7fd4;
  --red: #CC2727;
  --red-dark: #a81e1e;
  --white: #ffffff;
  --gray-light: #f4f6f9;
  --gray: #6b7280;
  --dark: #1a1a2e;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.18);
  --radius: 12px;
  --transition: 0.3s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Roboto', sans-serif; color: var(--dark); background: var(--white); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== UTILITIES ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-title { font-family: 'Montserrat', sans-serif; font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 0.5rem; }
.section-subtitle { text-align: center; color: var(--gray); font-size: 1.05rem; margin-bottom: 3rem; }
.section-title span { color: var(--blue); }
.section-title span.red { color: var(--red); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: 50px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--red); color: var(--white); border-color: var(--red); }
.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--blue); transform: translateY(-2px); }
.btn-whatsapp { background: #25D366; color: var(--white); border-color: #25D366; }
.btn-whatsapp:hover { background: #1da851; border-color: #1da851; transform: translateY(-2px); box-shadow: var(--shadow-hover); }

/* ===== HEADER ===== */
header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: var(--white); box-shadow: 0 2px 20px rgba(0,0,0,0.1); transition: var(--transition); }
header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.15); }
nav { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; max-width: 1200px; margin: 0 auto; }
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 55px; width: auto; object-fit: contain; }
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-text .brand { font-family: 'Montserrat', sans-serif; font-size: 1.3rem; font-weight: 800; color: var(--blue); letter-spacing: 1px; }
.nav-logo-text .sub { font-size: 0.7rem; font-weight: 500; color: var(--red); letter-spacing: 2px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { padding: 8px 16px; border-radius: 50px; font-weight: 500; font-size: 0.95rem; color: var(--dark); transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--blue); background: rgba(26, 107, 181, 0.08); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-phone { display: flex; align-items: center; gap: 6px; font-weight: 600; color: var(--blue); font-size: 0.9rem; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; background: none; border: none; }
.hamburger span { display: block; width: 25px; height: 2px; background: var(--dark); transition: var(--transition); border-radius: 2px; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; top: 80px; left: 0; right: 0; background: var(--white); box-shadow: 0 10px 30px rgba(0,0,0,0.15); z-index: 999; padding: 20px; flex-direction: column; gap: 5px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 14px 20px; border-radius: var(--radius); font-weight: 500; color: var(--dark); transition: var(--transition); }
.mobile-menu a:hover { background: var(--gray-light); color: var(--blue); }
.mobile-menu .btn-whatsapp { margin-top: 10px; justify-content: center; }

/* ===== HERO ===== */
#inicio { min-height: 100vh; background: linear-gradient(135deg, var(--dark) 0%, #0d2d5e 40%, #1a1a4e 100%); display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 80px; }
.hero-bg-pattern { position: absolute; inset: 0; background-image: radial-gradient(circle at 20% 50%, rgba(26,107,181,0.3) 0%, transparent 50%), radial-gradient(circle at 80% 20%, rgba(204,39,39,0.2) 0%, transparent 40%); }
.hero-snowflakes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.snowflake { position: absolute; color: rgba(255,255,255,0.15); font-size: 1.5rem; animation: fall linear infinite; }
@keyframes fall { 0% { transform: translateY(-50px) rotate(0deg); opacity: 1; } 100% { transform: translateY(110vh) rotate(360deg); opacity: 0; } }
.hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; max-width: 1200px; margin: 0 auto; padding: 80px 20px; width: 100%; }
.hero-text { color: var(--white); }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(204,39,39,0.2); border: 1px solid rgba(204,39,39,0.4); color: #ff8a8a; padding: 6px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; letter-spacing: 1px; text-transform: uppercase; }
.hero-text h1 { font-family: 'Montserrat', sans-serif; font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
.hero-text h1 .highlight { color: #4da8ff; }
.hero-text h1 .highlight-red { color: #ff6b6b; }
.hero-text p { font-size: 1.1rem; color: rgba(255,255,255,0.8); margin-bottom: 35px; max-width: 500px; }
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 30px; margin-top: 50px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.15); }
.stat { text-align: center; }
.stat-num { font-family: 'Montserrat', sans-serif; font-size: 2rem; font-weight: 800; color: #4da8ff; line-height: 1; }
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 4px; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-logo-wrap { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-logo-wrap::before { content: ''; position: absolute; width: 350px; height: 350px; border-radius: 50%; background: radial-gradient(circle, rgba(26,107,181,0.25) 0%, transparent 70%); animation: pulse 3s ease-in-out infinite; }
.hero-logo-wrap::after { content: ''; position: absolute; width: 280px; height: 280px; border-radius: 50%; border: 2px solid rgba(26,107,181,0.3); animation: spin 20s linear infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.1); opacity: 0.7; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.hero-logo { width: 260px; height: 260px; object-fit: contain; border-radius: 50%; background: rgba(255,255,255,0.05); padding: 20px; position: relative; z-index: 1; }

/* ===== SERVICES ===== */
#servicios { padding: 100px 0; background: var(--white); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: var(--white); border: 1px solid #e5e7eb; border-radius: var(--radius); padding: 35px 28px; transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--blue), var(--red)); transform: scaleX(0); transition: var(--transition); }
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; margin-bottom: 20px; background: linear-gradient(135deg, rgba(26,107,181,0.1), rgba(204,39,39,0.05)); }
.service-card h3 { font-family: 'Montserrat', sans-serif; font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
.service-card p { font-size: 0.9rem; color: var(--gray); line-height: 1.7; }

/* ===== SERVICIO TECNICO BANNER ===== */
#servicio-tecnico { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); padding: 70px 0; }
.tecnico-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.tecnico-title { color: var(--white); }
.tecnico-title h2 { font-family: 'Montserrat', sans-serif; font-size: 2rem; font-weight: 800; display: flex; align-items: center; gap: 12px; }
.tecnico-title p { margin-top: 8px; font-size: 1rem; color: rgba(255,255,255,0.85); }
.tecnico-pillars { display: flex; gap: 20px; flex-wrap: wrap; }
.pillar { background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius); padding: 20px 28px; text-align: center; color: var(--white); transition: var(--transition); min-width: 140px; }
.pillar:hover { background: rgba(255,255,255,0.2); transform: translateY(-4px); }
.pillar i { font-size: 2rem; margin-bottom: 8px; display: block; }
.pillar span { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1rem; }
.autorizada-badge { display: flex; flex-direction: column; align-items: center; background: var(--red); border-radius: var(--radius); padding: 22px 30px; color: var(--white); text-align: center; min-width: 160px; }
.autorizada-badge i { font-size: 2.2rem; margin-bottom: 8px; }
.autorizada-badge span { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; }

/* ===== PRODUCTS ===== */
#productos { padding: 100px 0; background: var(--gray-light); }
.products-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.tab-btn { padding: 10px 22px; border-radius: 50px; border: 2px solid var(--blue); background: transparent; color: var(--blue); font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: var(--transition); }
.tab-btn.active, .tab-btn:hover { background: var(--blue); color: var(--white); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.product-img { height: 200px; display: flex; align-items: center; justify-content: center; font-size: 4rem; position: relative; overflow: hidden; background: #f5f5f5; }
.product-img.blue-bg { background: linear-gradient(135deg, #e8f1fb, #c5daf5); }
.product-img.red-bg { background: linear-gradient(135deg, #fdeaea, #f5c5c5); }
.product-img.green-bg { background: linear-gradient(135deg, #e8f5eb, #c5e8cc); }
.product-img.orange-bg { background: linear-gradient(135deg, #fef3e8, #f5ddb5); }
.product-img.purple-bg { background: linear-gradient(135deg, #f0e8fb, #d5c5f5); }
.product-img.teal-bg { background: linear-gradient(135deg, #e8f8fb, #c5ecf5); }
.product-body { padding: 22px; }
.product-category { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--blue); margin-bottom: 6px; }
.product-body h3 { font-family: 'Montserrat', sans-serif; font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.product-body p { font-size: 0.85rem; color: var(--gray); line-height: 1.6; margin-bottom: 15px; }
.product-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { background: var(--gray-light); color: var(--gray); padding: 3px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 500; }
.product-price { font-size: 1.1rem; font-weight: 700; color: var(--blue); margin-top: 10px; }
.product-badge { position: absolute; top: 14px; left: 14px; background: #f5a623; color: var(--white); font-size: 0.75rem; font-weight: 700; padding: 4px 12px; border-radius: 6px; letter-spacing: 0.5px; z-index: 1; }
.product-card { position: relative; }
.product-img img { width: 100%; height: 100%; object-fit: contain; background: #f5f5f5; color: transparent; font-size: 0; }

/* ===== WHY US ===== */
#nosotros { padding: 100px 0; background: var(--white); }
.nosotros-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.nosotros-text h2 { font-family: 'Montserrat', sans-serif; font-size: 2.2rem; font-weight: 800; margin-bottom: 20px; line-height: 1.3; }
.nosotros-text p { color: var(--gray); font-size: 1rem; line-height: 1.8; margin-bottom: 30px; }
.features-list { display: flex; flex-direction: column; gap: 16px; }
.feature-item { display: flex; align-items: flex-start; gap: 14px; }
.feature-icon { width: 42px; height: 42px; border-radius: 10px; background: linear-gradient(135deg, var(--blue), var(--blue-light)); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.feature-item h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.95rem; color: var(--dark); margin-bottom: 3px; }
.feature-item p { font-size: 0.85rem; color: var(--gray); }
.nosotros-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.nosotros-card { background: var(--gray-light); border-radius: var(--radius); padding: 30px; text-align: center; transition: var(--transition); }
.nosotros-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.nosotros-card:nth-child(1) { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); color: var(--white); }
.nosotros-card:nth-child(2) { background: linear-gradient(135deg, var(--red), var(--red-dark)); color: var(--white); }
.nosotros-card i { font-size: 2.5rem; margin-bottom: 12px; }
.nosotros-card h3 { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 2.5rem; line-height: 1; }
.nosotros-card p { font-size: 0.85rem; margin-top: 6px; opacity: 0.9; }
.nosotros-card.light i { color: var(--blue); }
.nosotros-card.light h3 { color: var(--dark); font-size: 2rem; }
.nosotros-card.light p { color: var(--gray); opacity: 1; }

/* ===== CONTACT ===== */
#contacto { padding: 100px 0; background: var(--gray-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }
.contact-info h2 { font-family: 'Montserrat', sans-serif; font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.contact-info p { color: var(--gray); margin-bottom: 30px; font-size: 0.95rem; }
.contact-items { display: flex; flex-direction: column; gap: 20px; margin-bottom: 35px; }
.contact-item { display: flex; align-items: flex-start; gap: 15px; background: var(--white); padding: 18px; border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-item-icon { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, var(--blue), var(--blue-light)); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact-item-icon.red { background: linear-gradient(135deg, var(--red), #e84040); }
.contact-item-icon.green { background: linear-gradient(135deg, #25D366, #1da851); }
.contact-item h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.85rem; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.contact-item p, .contact-item a { font-size: 0.95rem; color: var(--dark); font-weight: 500; }
.contact-item a:hover { color: var(--blue); }
.horario-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-top: 4px; }
.horario-day { font-size: 0.8rem; color: var(--gray); }
.horario-time { font-size: 0.8rem; font-weight: 600; color: var(--dark); }
.contact-form-wrap { background: var(--white); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.contact-form-wrap h3 { font-family: 'Montserrat', sans-serif; font-size: 1.3rem; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; border: 2px solid #e5e7eb; border-radius: 8px; font-size: 0.95rem; font-family: 'Roboto', sans-serif; transition: var(--transition); color: var(--dark); background: var(--white); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,107,181,0.1); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.form-submit { width: 100%; padding: 14px; background: var(--blue); color: var(--white); border: none; border-radius: 50px; font-size: 1rem; font-weight: 700; font-family: 'Montserrat', sans-serif; cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 8px; }
.form-submit:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.map-wrap { border-radius: var(--radius); overflow: hidden; margin-top: 40px; box-shadow: var(--shadow); }
.map-wrap iframe { width: 100%; height: 300px; border: none; display: block; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; z-index: 9999; }
.whatsapp-float a { display: flex; align-items: center; justify-content: center; width: 60px; height: 60px; background: #25D366; border-radius: 50%; box-shadow: 0 4px 20px rgba(37,211,102,0.4); transition: var(--transition); animation: waBounce 2s ease-in-out infinite; }
.whatsapp-float a:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.5); animation: none; }
.whatsapp-float a i { font-size: 1.8rem; color: var(--white); }
.whatsapp-float .wa-tooltip { position: absolute; right: 70px; top: 50%; transform: translateY(-50%); background: var(--dark); color: var(--white); padding: 8px 14px; border-radius: 8px; font-size: 0.82rem; font-weight: 600; white-space: nowrap; opacity: 0; pointer-events: none; transition: var(--transition); }
.whatsapp-float .wa-tooltip::after { content: ''; position: absolute; left: 100%; top: 50%; transform: translateY(-50%); border: 6px solid transparent; border-left-color: var(--dark); }
.whatsapp-float a:hover ~ .wa-tooltip, .whatsapp-float:hover .wa-tooltip { opacity: 1; }
@keyframes waBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* ===== FOOTER ===== */
footer { background: var(--dark); color: rgba(255,255,255,0.8); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .nav-logo { margin-bottom: 15px; }
.footer-brand .nav-logo-text .brand { color: #4da8ff; }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 280px; }
.footer-col h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--white); margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-col ul li a:hover { color: #4da8ff; padding-left: 4px; }
.footer-col .contact-line { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-bottom: 12px; }
.footer-col .contact-line i { color: var(--blue); margin-top: 2px; flex-shrink: 0; }
.footer-col .contact-line a { color: rgba(255,255,255,0.65); }
.footer-col .contact-line a:hover { color: #4da8ff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-bottom .social { display: flex; gap: 12px; }
.footer-bottom .social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6); display: flex; align-items: center; justify-content: center; font-size: 0.9rem; transition: var(--transition); }
.footer-bottom .social a:hover { background: var(--blue); color: var(--white); }

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-text h1 { font-size: 2.4rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta .nav-phone { display: none; }
  .hamburger { display: flex; }
  .hero-content { grid-template-columns: 1fr; text-align: center; padding: 60px 20px; gap: 40px; }
  .hero-text h1 { font-size: 2rem; }
  .hero-text p { margin: 0 auto 30px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-logo { width: 180px; height: 180px; }
  .hero-logo-wrap::before { width: 250px; height: 250px; }
  .hero-logo-wrap::after { width: 200px; height: 200px; }
  .services-grid { grid-template-columns: 1fr; }
  .tecnico-inner { flex-direction: column; text-align: center; }
  .tecnico-pillars { justify-content: center; }
  .products-grid { grid-template-columns: 1fr; }
  .nosotros-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section-title { font-size: 1.6rem; }
  .whatsapp-float { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .hero-stats { gap: 20px; }
  .products-tabs { justify-content: flex-start; overflow-x: auto; padding-bottom: 5px; }
  .nosotros-cards { grid-template-columns: 1fr; }
}