* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #10b981;
    --dark-blue: #1e3a5f;
    --bright-blue: #3b82f6;
    --green: #10b981;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --gradient-start: #3b82f6;
    --gradient-end: #10b981;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: var(--bg-white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-img:not([src]),
.logo-img[src=""] {
    display: none;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.company-name {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Hero Section */
.hero {
    padding: 4rem 0 6rem;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

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

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-logo {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: flex-start;
}

.hero-logo-img {
    height: 80px;
    width: auto;
    object-fit: contain;
    display: block;
}

.hero-logo-img:not([src]),
.hero-logo-img[src=""] {
    display: none;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
}

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

.hero-subtitle {
    font-size: 1.75rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

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

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Hero Image/Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease;
}

.app-mockup {
    width: 100%;
    max-width: 500px;
}

.mockup-screen {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    padding: 1.5rem;
}

.mockup-header {
    height: 40px;
    background: var(--dark-blue);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.mockup-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(16, 185, 129, 0.3));
}

.mockup-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mockup-item {
    height: 60px;
    background: var(--bg-light);
    border-radius: 12px;
    animation: pulse 2s ease-in-out infinite;
}

.mockup-item:nth-child(2) {
    animation-delay: 0.2s;
}

.mockup-item:nth-child(3) {
    animation-delay: 0.4s;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--bg-white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--bg-light);
}

.about-logo {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.nirvasoft-logo-img {
    height: 100px;
    width: auto;
    object-fit: contain;
    max-width: 300px;
    display: block;
}

.nirvasoft-logo-img:not([src]),
.nirvasoft-logo-img[src=""] {
    display: none;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: var(--dark-blue);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.1));
    z-index: 0;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta .btn-primary:hover {
    background: var(--bg-light);
}

.cta .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo-img {
    height: 35px;
    width: auto;
    object-fit: contain;
    display: block;
}

.footer-logo-img:not([src]),
.footer-logo-img[src=""] {
    display: none;
}

.footer .logo {
    color: white;
    -webkit-text-fill-color: white;
}

.footer .company-name {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: white;
}

.footer-links span {
    color: rgba(255, 255, 255, 0.5);
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-logo {
        justify-content: center;
    }

    .hero-logo-img {
        height: 60px;
    }

    .logo-img {
        height: 32px;
    }

    .nirvasoft-logo-img {
        height: 80px;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.875rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

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

    .legal-content h1 {
        font-size: 2rem;
    }

    .legal-content h2 {
        font-size: 1.5rem;
    }

    .legal-content h3 {
        font-size: 1.125rem;
    }
}

/* Legal Pages */
.legal-page {
    padding: 4rem 0 6rem;
    background: var(--bg-white);
    min-height: 80vh;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.legal-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.legal-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.legal-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.legal-meta {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.legal-meta a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal-meta a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.legal-intro {
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    line-height: 1.8;
}

.legal-content p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.legal-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.legal-content ul li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.legal-content ul li strong {
    color: var(--text-dark);
    font-weight: 600;
}

.contact-info {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    border-left: 4px solid var(--secondary-color);
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.legal-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.legal-content a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}