/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #001f5c;
    --primary-light: #003d99;
    --primary-dark: #001342;
    --secondary: #d49539;
    --accent: #e3a647;
    --gold: #d49539;
    --gold-light: #e3a647;
    --gold-dark: #b57a2f;
    --whatsapp: #25D366;
    --whatsapp-dark: #128C7E;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #001f5c, #003d99);
    --gradient-2: linear-gradient(135deg, #001f5c, #d49539);
    --gradient-3: linear-gradient(135deg, #0f172a, #001f5c);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(0, 31, 92, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    font-size: 1.3rem;
}

.nav-logo-img {
    height: 36px;
    width: auto;
    border-radius: 4px;
}

.nav-logo i {
    font-size: 1.5rem;
    color: var(--primary-light);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.nav-link {
    text-decoration: none;
    color: rgba(255,255,255,0.7);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-whatsapp-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    background: var(--whatsapp);
    color: var(--white);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-nav:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-3);
    background: url('hero-bg.jpg') center/cover no-repeat;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 15, 30, 0.65);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(212, 149, 57, 0.5);
    border-radius: 50%;
    animation: float-particle 8s infinite linear;
}

@keyframes float-particle {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    50% { transform: translateY(-200px) translateX(50px); }
}

/* ===== HERO CENTERED LOGO ===== */
.hero-logo-center {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0.8rem 0;
    animation: fadeInUp 0.8s ease 0.15s both;
}

.hero-logo-img {
    width: clamp(220px, 32vw, 500px);
    height: auto;
    filter: drop-shadow(0 4px 30px rgba(0, 31, 92, 0.4)) drop-shadow(0 0 60px rgba(212, 149, 57, 0.2));
    transition: transform 0.4s ease;
}

.hero-logo-img:hover {
    transform: scale(1.03);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 1.5rem;
    max-width: 900px;
    margin-top: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.65);
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(26, 86, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(26, 86, 219, 0.4);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-3px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    display: inline;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    margin-top: 0.25rem;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    color: rgba(255,255,255,0.4);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== QUIENES SOMOS ===== */
.quienes-somos {
    background: var(--gray-50);
}

.qs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.qs-text {
    margin-bottom: 2rem;
}

.qs-text h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qs-text h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.qs-text p {
    color: var(--gray-600);
    line-height: 1.8;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 0.75rem;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-item i {
    font-size: 1.5rem;
    color: var(--gold);
}

.value-item span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--dark);
}

.qs-image {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.qs-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.qs-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
}

.qs-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.qs-card i {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 1rem;
}

.qs-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.qs-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ===== SERVICIOS ===== */
.servicios {
    background: var(--white);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.servicio-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: var(--transition);
}

.servicio-card:hover::before {
    transform: scaleX(1);
}

.servicio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.servicio-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(0, 31, 92, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.servicio-icon i {
    font-size: 1.5rem;
    color: var(--gold);
    transition: var(--transition);
}

.servicio-card:hover .servicio-icon {
    background: var(--gradient-1);
}

.servicio-card:hover .servicio-icon i {
    color: var(--white);
}

.servicio-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.servicio-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.servicio-features {
    list-style: none;
}

.servicio-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.85rem;
    color: var(--gray-600);
}

.servicio-features li i {
    color: var(--gold);
    font-size: 0.75rem;
}

/* ===== TIENDA ===== */
.tienda {
    background: var(--gray-50);
}

.tienda-categorias {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.categoria-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: 50px;
    background: var(--white);
    color: var(--gray-600);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.categoria-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}

.categoria-btn.active {
    background: var(--gradient-1);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.3);
}

.categoria-btn i {
    font-size: 0.8rem;
}

.productos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.producto-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
}

.producto-card.hidden {
    display: none;
}

.producto-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.producto-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.3rem 0.8rem;
    background: var(--gradient-1);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    z-index: 1;
}

.producto-img {
    height: 180px;
    background: linear-gradient(135deg, #f0f4ff, #faf5eb);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.producto-img i {
    font-size: 3.5rem;
    color: var(--gold);
    opacity: 0.6;
    transition: var(--transition);
}

.producto-card:hover .producto-img {
    background: linear-gradient(135deg, #e0e8ff, #f5ecd3);
}

.producto-card:hover .producto-img i {
    transform: scale(1.1);
    opacity: 0.8;
}

.producto-info {
    padding: 1.5rem;
}

.producto-info h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.producto-info p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.producto-specs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.producto-specs span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.75rem;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 500;
}

.producto-specs i {
    font-size: 0.65rem;
    color: var(--gold);
}

.btn-cotizar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: var(--whatsapp);
    color: var(--white);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(37, 211, 102, 0.2);
}

.btn-cotizar:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.tienda-cta {
    margin-top: 3rem;
    background: var(--gradient-3);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
}

.cta-content i {
    font-size: 2.5rem;
    color: var(--whatsapp);
    margin-bottom: 1rem;
}

.hero-badge {
    border-color: rgba(212, 149, 57, 0.4);
    color: var(--gold-light);
    background: rgba(212, 149, 57, 0.12);
}

.cta-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.cta-content p {
    color: rgba(255,255,255,0.6);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* ===== CONTACTO ===== */
.contacto {
    background: var(--white);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contacto-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.contacto-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.contacto-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contacto-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

.contacto-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.contacto-item p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.contacto-link {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.contacto-link:hover {
    text-decoration: underline;
}

.contacto-form {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.contacto-form form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    border-radius: 4px;
    margin-right: 0.25rem;
}

.footer-logo i {
    font-size: 1.5rem;
    color: var(--primary-light);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.6rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links li a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-links li i {
    font-size: 0.75rem;
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
    text-decoration: none;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background: var(--whatsapp-dark);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--dark);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 6rem;
    width: 45px;
    height: 45px;
    background: var(--dark-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    text-decoration: none;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-logo-img {
        width: clamp(180px, 38vw, 380px);
    }
    .servicios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .productos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-logo-img {
        width: clamp(140px, 50vw, 280px);
    }
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.25rem;
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hamburger {
        display: flex;
    }

    .btn-whatsapp-nav {
        display: none;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .qs-grid {
        grid-template-columns: 1fr;
    }

    .servicios-grid {
        grid-template-columns: 1fr;
    }

    .productos-grid {
        grid-template-columns: 1fr;
    }

    .contacto-grid {
        grid-template-columns: 1fr;
    }

    .contacto-form form {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding: 4rem 0;
    }

    .tienda-categorias {
        gap: 0.5rem;
    }

    .categoria-btn {
        font-size: 0.75rem;
        padding: 0.5rem 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero-logo-img {
        width: clamp(120px, 65vw, 220px);
    }
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .qs-image {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
}