/* ===================================
   DAHX - Sistemas de Automação
   Modern Corporate B2B Design
   =================================== */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - DAHX Brand */
    --primary-blue: #2563EB;
    --dark-navy: #0D1B4B;
    --navy: #1a2356;
    --light-blue: #3B82F6;
    --accent-orange: #F59E0B;
    --accent-orange-dark: #D97706;
    
    /* Neutrals */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Effects */
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
    background: #fff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-navy);
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 14px 32px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--light-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
}

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

/* Section Styling */
section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 20px;
}

.text-center {
    text-align: center;
}

.section-header.text-center h2 {
    max-width: 800px;
    margin: 0 auto 1rem;
}

.section-header.text-center p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

/* Header / Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
}

/* Logo */
.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon svg {
    width: 40px;
    height: 40px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark-navy);
    letter-spacing: -0.5px;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    padding: 0.5rem 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    list-style: none;
    margin-top: 1rem;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--gray-50);
    color: var(--primary-blue);
    padding-left: 2rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-navy);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--navy) 50%, #1e3a8a 100%);
    padding-top: 100px;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.3) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 50px;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    color: white;
    margin-bottom: 1.5rem;
    font-size: clamp(2.5rem, 6vw, 4rem);
}

.gradient-text {
    background: linear-gradient(135deg, #60A5FA 0%, #3B82F6 50%, #2563EB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    animation: bounce 2s infinite;
}

/* Brand Change Section */
.brand-change-section {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    padding: 60px 0;
}

.brand-change-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.brand-change-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.brand-change-icon i {
    font-size: 2rem;
    color: var(--primary-blue);
    animation: spin 3s linear infinite;
}

.brand-change-text h2 {
    color: var(--dark-navy);
    margin-bottom: 0.5rem;
}

.brand-change-text .subtitle {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.brand-change-text p {
    margin-bottom: 1rem;
}

.link-with-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-top: 1rem;
}

.link-with-arrow:hover {
    gap: 1rem;
}

/* Differentials Section */
.differentials-section {
    background: white;
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.differential-card {
    text-align: center;
    padding: 2rem;
    background: var(--gray-50);
    border-radius: 12px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.differential-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.card-icon i {
    font-size: 2rem;
    color: white;
}

.differential-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-navy);
}

/* About Section */
.about-section {
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-badge i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.about-badge span {
    display: block;
    font-weight: 700;
    color: var(--dark-navy);
    line-height: 1.4;
}

.about-content .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
}

.about-features {
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-item i {
    color: var(--primary-blue);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

/* History Section */
.history-section {
    background: white;
}

.history-content {
    max-width: 900px;
    margin: 0 auto;
}

.history-text {
    margin-bottom: 3rem;
}

.history-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.history-faq h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.faq-item {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-blue);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.faq-question i {
    color: var(--primary-blue);
    font-size: 1.25rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.faq-question strong {
    color: var(--dark-navy);
    font-size: 1.125rem;
}

.faq-answer {
    padding-left: 2.25rem;
    color: var(--gray-600);
}

/* Services Section */
.services-section {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-top-color: var(--primary-blue);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-list {
    list-style: none;
    margin: 1.5rem 0;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--gray-600);
}

.service-list i {
    color: var(--primary-blue);
    font-size: 0.875rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-top: 1rem;
}

.service-link:hover {
    gap: 1rem;
}

/* Partners Section */
.partners-section {
    background: linear-gradient(135deg, var(--dark-navy), var(--navy));
    color: white;
}

.partners-section .section-header h2,
.partners-section .section-header p {
    color: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.partner-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    position: relative;
}

.partner-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.partner-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-orange);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

.partner-card h3 {
    font-size: 2rem;
    color: white;
    margin-bottom: 0.5rem;
}

.partner-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* Projects Section */
.projects-section {
    background: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px);
}

.project-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(13, 27, 75, 0.95), transparent);
    padding: 2rem;
    color: white;
}

.project-overlay h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.project-overlay p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
}

.project-info {
    padding: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Products Section */
.products-section {
    background: var(--gray-50);
}

.products-content {
    max-width: 900px;
    margin: 0 auto;
}

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

.products-list {
    list-style: none;
    margin-top: 1.5rem;
}

.products-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.products-list i {
    color: var(--primary-blue);
    font-size: 1.25rem;
}

.products-highlight {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    padding: 2.5rem;
    border-radius: 12px;
    color: white;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.highlight-badge {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.highlight-badge i {
    font-size: 2.5rem;
    color: white;
}

.products-highlight h3,
.products-highlight p {
    color: white;
}

.products-highlight .btn-primary {
    background: white;
    color: var(--primary-blue);
    margin-top: 1.5rem;
}

.products-highlight .btn-primary:hover {
    background: var(--gray-100);
}

/* Contact Section */
.contact-section {
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.contact-form-wrapper h3 {
    margin-bottom: 1rem;
}

.contact-form-wrapper > p {
    margin-bottom: 2rem;
}

.contact-form {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: 12px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.5rem;
    color: white;
}

.info-card h4 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.info-card p {
    margin: 0;
}

.info-card a {
    color: var(--primary-blue);
    font-weight: 500;
}

.info-card a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--light-blue);
    transform: translateY(-3px);
}

/* Map */
.map-wrapper {
    margin-top: 4rem;
}

.map-wrapper h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background: #20BA5A;
}

/* Footer */
.footer {
    background: var(--dark-navy);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo .logo-main {
    font-size: 1.5rem;
    color: white;
}

.footer-logo .logo-sub {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

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

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-col a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.footer-contact i {
    color: var(--primary-blue);
    margin-top: 0.25rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

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

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

@keyframes bounce {
    0%, 100% {
        transform: translate(-50%, 0);
    }
    50% {
        transform: translate(-50%, 10px);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-grid,
    .products-intro {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    /* Mobile Menu */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-menu.active {
        max-height: 600px;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        padding: 1rem 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 1rem;
        margin-top: 0.5rem;
    }
    
    /* Hero */
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* Sections */
    .section-padding {
        padding: 60px 0;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    /* Grids */
    .differentials-grid,
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    /* Brand Change */
    .brand-change-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-sub {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 1rem;
        right: 1rem;
    }
}