:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #7c3aed;
    --accent: #06d6a0;
    --dark: #0f172a;
    --darker: #020617;
    --light: #f8fafc;
    --gray: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Light theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 1000;
}

.theme-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.theme-btn .fa-sun {
    position: absolute;
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s;
}

.theme-btn .fa-moon {
    position: absolute;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s;
}

[data-theme="dark"] .theme-btn .fa-sun {
    opacity: 0;
    transform: scale(0);
}

[data-theme="dark"] .theme-btn .fa-moon {
    opacity: 1;
    transform: scale(1);
}

/* Navigation */
.navbar {
    background: rgba(var(--bg-primary), 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.nav-logo h2 {
    color: var(--text-primary);
    font-weight: 700;
}

.nav-logo span {
    color: var(--primary);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-menu a:hover:after {
    width: 100%;
}

.nav-cta {
    background: var(--primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.nav-cta:after {
    display: none;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    color: white;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--accent);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.typing-text {
    border-right: 3px solid var(--accent);
    animation: blink 1s infinite;
    padding-right: 5px;
}

@keyframes blink {
    0%, 100% { border-color: var(--accent); }
    50% { border-color: transparent; }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-subtitle strong {
    color: var(--accent);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin: 2rem 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 32px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: white;
    color: var(--dark);
    transform: translateY(-2px);
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    position: relative;
}

.scroll-arrow:after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateX(-50%) translateY(0); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateX(-50%) translateY(20px); opacity: 0; }
}

/* Trust Badges */
.trust-badges {
    padding: 3rem 0;
    background: var(--bg-secondary);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.badge:hover {
    transform: translateY(-5px);
}

.badge i {
    font-size: 2.5rem;
    color: var(--primary);
}

.badge span {
    font-weight: 600;
    color: var(--text-primary);
}

/* Products Section */
.products {
    padding: 80px 0;
    background: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-header {
    padding: 2rem 2rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.product-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.product-header h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
}

.product-badge {
    margin-left: auto;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-badge:not(.new):not(.enterprise) {
    background: var(--success);
    color: white;
}

.product-badge.new {
    background: var(--warning);
    color: white;
}

.product-badge.enterprise {
    background: var(--secondary);
    color: white;
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover .image-overlay {
    opacity: 1;
}

.view-demo {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.view-demo:hover {
    background: var(--primary-dark);
}

.product-content {
    padding: 1.5rem 2rem;
}

.product-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.product-features {
    list-style: none;
    margin-top: 1rem;
}

.product-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.product-features i {
    color: var(--success);
}

.product-actions {
    padding: 0 2rem 2rem;
    display: flex;
    gap: 1rem;
}

/* Demo Section */
.demo-section {
    padding: 80px 0;
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

.demo-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.demo-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.demo-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.demo-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.demo-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.demo-form {
    margin-top: 2rem;
}

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

.demo-form input,
.demo-form select {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.demo-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.demo-form select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'><path fill='white' d='M2 0L0 2h4zm0 5L0 3h4z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 8px;
}

/* Solutions Section */
.solutions {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.solutions-tabs {
    margin-top: 3rem;
}

.tab-headers {
    display: flex;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-header {
    flex: 1;
    padding: 16px 24px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-secondary);
    min-width: 200px;
}

.tab-header.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.tab-contents {
    position: relative;
}

.tab-content {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content.active {
    display: grid;
}

.tab-visual img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.tab-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tab-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.solution-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
}

.solution-features i {
    color: var(--primary);
    width: 20px;
}

/* Process Section */
.process {
    padding: 80px 0;
    position: relative;
    background: var(--bg-primary);
}

.process-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('https://images.unsplash.com/photo-1517077304055-6e89abbf09b0?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.process-step {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow);
    position: relative;
    border: 1px solid var(--border-color);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.process-step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.process-step p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.step-features {
    list-style: none;
    margin-top: 1rem;
}

.step-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
}

.step-features li:before {
    content: "•";
    color: var(--primary);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.pricing-calculator {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow);
    max-width: 900px;
    margin: 0 auto;
}

.calculator-header {
    text-align: center;
    margin-bottom: 2rem;
}

.calculator-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.calculator-header p {
    color: var(--text-secondary);
}

.calculator-steps {
    margin-bottom: 2rem;
}

.calc-step {
    margin-bottom: 2rem;
}

.calc-step label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.option-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.option-card:hover,
.option-card.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.option-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

.option-card span {
    font-weight: 600;
    color: var(--text-primary);
}

.complexity-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.complexity-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.complexity-card:hover,
.complexity-card.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.complexity-card h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.complexity-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.price-tag {
    display: block;
    margin-top: 1rem;
    font-weight: 700;
    color: var(--primary);
}

.estimate-result {
    margin-top: 2rem;
}

.estimate-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
}

.estimate-card h4 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.price-display {
    margin: 1.5rem 0;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    display: block;
}

.price-note {
    opacity: 0.8;
    font-size: 0.9rem;
}

.estimate-card p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    position: relative;
    background: var(--bg-primary);
}

.contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    position: relative;
    z-index: 2;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-methods {
    margin: 2rem 0;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-method i {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-method strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-method span {
    color: var(--text-secondary);
}

.tech-stack {
    margin-top: 2rem;
}

.tech-stack h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tech-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.tech-icons i {
    font-size: 2rem;
    color: var(--gray);
    transition: color 0.3s;
}

.tech-icons i:hover {
    color: var(--primary);
}

.contact-form {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

[data-theme="dark"] .alert-success {
    background: #064e3b;
    color: #a7f3d0;
    border-color: #065f46;
}

[data-theme="dark"] .alert-error {
    background: #7f1d1d;
    color: #fca5a5;
    border-color: #991b1b;
}

/* Footer */
.footer {
    background: var(--darker);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand .logo i {
    color: var(--primary);
}

.footer-brand .logo span span {
    color: var(--primary);
}

.footer-brand p {
    opacity: 0.8;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.social-links 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;
    text-decoration: none;
    transition: background 0.3s;
}

.social-links a:hover {
    background: var(--primary);
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-card);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .demo-content,
    .tab-content,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .option-grid,
    .complexity-options {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .theme-toggle {
        top: 80px;
        right: 10px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-features {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .pricing-calculator {
        padding: 1.5rem;
    }
    
    .tab-headers {
        flex-direction: column;
    }
    
    .tab-header {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .product-badge {
        margin-left: 0;
    }
    
    .product-actions {
        flex-direction: column;
    }
    /* Add these new styles to your existing CSS */

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-link:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    background: #128C7E;
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37, 211, 102, 0.8);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* WhatsApp Button */
.btn-whatsapp {
    background: #25D366 !important;
    color: white !important;
}

.btn-whatsapp:hover {
    background: #128C7E !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3) !important;
}

/* System Features in Product Cards */
.system-features {
    margin-top: 1rem;
}

.system-features h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

/* Payment Options */
.payment-options {
    margin: 1rem 0;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    text-align: center;
}

.payment-options span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.payment-options i {
    margin-right: 0.5rem;
    color: var(--accent);
}

/* Inclusion Note */
.inclusion-note {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

/* Contact Info in Footer */
.contact-info-footer {
    margin: 1rem 0;
}

.contact-info-footer p {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.8;
}

/* Enhanced Product Features */
.product-features {
    list-style: none;
    margin-top: 1rem;
}

.product-features li {
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.product-features i {
    color: var(--success);
    font-size: 0.8rem;
}

/* Mobile Responsiveness for WhatsApp */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-link {
        width: 55px;
        height: 55px;
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-whatsapp {
        margin-top: 0.5rem;
    }
}

/* Print Styles */
@media print {
    .whatsapp-float,
    .theme-toggle,
    .nav-cta {
        display: none !important;
    }
}
/* Add these new styles to your existing CSS */

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    border-left: 4px solid var(--success);
}

.toast.show {
    transform: translateX(0);
}

.toast.error {
    border-left-color: var(--error);
}

.toast.success {
    border-left-color: var(--success);
}

.toast i {
    font-size: 1.2rem;
}

.toast.success i {
    color: var(--success);
}

.toast.error i {
    color: var(--error);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.toast-message {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: background 0.3s;
}

.toast-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form Validation Styles */
.form-group {
    position: relative;
}

.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: var(--error);
}

.form-group input:valid,
.form-group select:valid,
.form-group textarea:valid {
    border-color: var(--success);
}

.validation-message {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group.invalid .validation-message {
    display: block;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-link:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    background: #128C7E;
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37, 211, 102, 0.8);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* WhatsApp Button */
.btn-whatsapp {
    background: #25D366 !important;
    color: white !important;
}

.btn-whatsapp:hover {
    background: #128C7E !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3) !important;
}

/* System Features in Product Cards */
.system-features {
    margin-top: 1rem;
}

.system-features h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

/* Payment Options */
.payment-options {
    margin: 1rem 0;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    text-align: center;
}

.payment-options span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.payment-options i {
    margin-right: 0.5rem;
    color: var(--accent);
}

/* Inclusion Note */
.inclusion-note {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

/* Contact Info in Footer */
.contact-info-footer {
    margin: 1rem 0;
}

.contact-info-footer p {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.8;
}

/* Enhanced Product Features */
.product-features {
    list-style: none;
    margin-top: 1rem;
}

.product-features li {
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.product-features i {
    color: var(--success);
    font-size: 0.8rem;
}

/* Improved Mobile Responsiveness */
@media (max-width: 768px) {
    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .toast {
        padding: 1rem;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-link {
        width: 55px;
        height: 55px;
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-whatsapp {
        margin-top: 0.5rem;
    }
    
    /* Improved spacing for mobile */
    .hero {
        padding: 120px 0 60px;
    }
    
    .products, .solutions, .process, .pricing, .contact {
        padding: 60px 0;
    }
    
    .product-card, .process-step {
        margin-bottom: 2rem;
    }
}

/* Print Styles */
@media print {
    .whatsapp-float,
    .theme-toggle,
    .nav-cta,
    .toast-container {
        display: none !important;
    }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .whatsapp-link {
        animation: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    }
}

/* Focus styles for accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Loading state for buttons */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading .btn-text {
    visibility: hidden;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
}