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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2E2E2E;
    overflow-x: hidden;
    padding-top: 70px; /* offset for fixed navbar */
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.nav-logo .logo {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* remove emoji placeholder; using inline SVG in HTML */

.nav-logo h2 {
    color: #007BFF;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0;
}

/* Ensure the inline SVG/img scales to container size */
.nav-logo .logo img,
.nav-logo .logo svg {
    width: 100%;
    height: 100%;
    display: block;
}

@media (max-width: 768px) {
    .nav-logo .logo { width: 46px; height: 46px; }
    .nav-logo h2 { font-size: 1.3rem; }
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #007BFF;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: #007BFF;
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #007BFF 0%, #1167CF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(45deg, #ffffff, #e6f3ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.7;
}

.hero-badge {
    margin-bottom: 0.75rem;
}
.hero-badge-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    color: #1167CF;
    border-radius: 999px;
    padding: 6px 14px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid rgba(255,255,255,0.7);
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
}
.hero-badge-link:hover {
    transform: translateY(-2px);
}

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

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

/* Ensure real <button> elements with .btn look like our styled buttons */
button.btn {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

/* Disabled state for buttons (e.g., while sending) */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: #ffffff;
    color: #007BFF;
    border-color: #ffffff;
}

.btn-primary:hover {
    background: transparent;
    color: #ffffff;
    border-color: #ffffff;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #007BFF;
    transform: translateY(-2px);
}

/* Primary CTA in NovaAssist section */
.novaassist .btn-primary {
    background: #1167CF;
    color: #ffffff;
    border-color: #1167CF;
}
.novaassist .btn-primary:hover {
    background: #0f59b4;
    color: #ffffff;
    border-color: #0f59b4;
}

/* AI Visualization */
.ai-visualization {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.05); }
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    color: white;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.floating-card i {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
    color: #ffffff;
}

.floating-card span {
    font-size: 0.9rem;
    font-weight: 600;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 10%;
    right: 20%;
    animation-delay: 1.5s;
}

.card-3 {
    bottom: 30%;
    left: 5%;
    animation-delay: 3s;
}

.card-4 {
    bottom: 20%;
    right: 10%;
    animation-delay: 4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Services Section */
.services {
    padding: 100px 0;
    background: #f8fafc;
}

/* NovaAssist Section */
.novaassist {
    padding: 110px 0;
    background: linear-gradient(135deg, #ffffff 0%, #eaf2ff 40%, #e7f0ff 100%);
}
.nova-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
}
.nova-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(17, 103, 207, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.nova-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(17, 103, 207, 0.2);
}
.nova-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #007BFF, #1167CF);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.nova-title { font-weight: 700; color: #1f2937; margin-bottom: 0.5rem; }
.nova-text { color: #4b5563; }
.nova-cta { margin-top: 2.5rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

@media (max-width: 992px) {
    .nova-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .nova-grid { grid-template-columns: 1fr; }
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

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

/* Ensure clean 2x2 layout for four items; allow 3-per-row on wide screens */
@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    /* Center the last tile if there is a single leftover in a 3-column grid */
    .services-grid > *:nth-last-child(1):nth-child(3n + 1) {
        grid-column: 2;
    }
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #007BFF, #1167CF);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.service-description {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.service-features li {
    color: #4b5563;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

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

.about-description {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 1.1rem;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #007BFF;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6b7280;
    font-weight: 500;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    background: linear-gradient(135deg, #007BFF 0%, #1167CF 100%);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    color: white;
    width: 100%;
    max-width: 400px;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '🚀';
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #ffffff;
    display: block;
    animation: float 3s ease-in-out infinite;
}

.image-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.image-placeholder h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.image-placeholder p {
    opacity: 0.9;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr; /* only one column since form removed */
    gap: 2rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: stretch;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex: 1 1 320px;
}

/* When the form is removed, ensure the contact-info uses available width */
.contact .contact-info { width: 100%; }
.contact .contact-item { max-width: 560px; }

@media (min-width: 768px) {
    .contact-info { justify-content: space-between; }
    .contact-item { flex: 0 1 calc(50% - 1rem); }
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007BFF, #1167CF);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #6b7280;
    line-height: 1.6;
}

.contact-details a {
    color: #007BFF;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 4px 8px;
    border-radius: 6px;
    display: inline-block;
}

.contact-details a:hover {
    background: rgba(0, 123, 255, 0.1);
    color: #0056b3;
    transform: translateY(-1px);
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007BFF;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #007BFF;
}

.footer-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #007BFF;
}

.footer-description {
    color: #9ca3af;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #007BFF;
    transform: translateY(-2px);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #007BFF;
}

.footer-contact p {
    color: #9ca3af;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact a {
    color: #9ca3af;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-block;
}

.footer-contact a:hover {
    color: #007BFF;
    background: rgba(0, 123, 255, 0.1);
    transform: translateY(-1px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }

    .hero {
        min-height: auto;
        padding: 80px 0 40px;
    }

    .ai-visualization { height: 300px; }
    .hero-logo { width: 120px; height: 120px; }

    /* Scale and reposition floating hero cards to avoid overlap */
    .floating-card { padding: 12px; border-radius: 12px; }
    .floating-card i { font-size: 1.25rem; }
    .floating-card span { font-size: 0.8rem; }
    .card-1 { top: 8%; left: 8%; }
    .card-2 { top: 6%; right: 10%; }
    .card-3 { bottom: 22%; left: 6%; }
    .card-4 { bottom: 10%; right: 6%; }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats {
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .ai-visualization { height: 240px; }
    .hero-logo { width: 100px; height: 100px; }

    /* Further reduce size and animation on small phones */
    .floating-card { padding: 8px; animation: none; }
    .floating-card i { font-size: 1.1rem; }
    .floating-card span { font-size: 0.75rem; }
    .card-1 { top: 10%; left: 6%; }
    .card-2 { top: 10%; right: 6%; }
    .card-3 { bottom: 24%; left: 4%; }
    .card-4 { bottom: 8%; right: 4%; }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Contact alignment fixes: force two equal columns on desktop */
.contact .contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto; /* center grid within container */
    justify-items: center; /* center align items like company section */
    align-items: stretch;
}

@media (min-width: 768px) {
    .contact .contact-info { 
        grid-template-columns: repeat(2, minmax(0, 1fr)); 
        justify-items: center; /* center align items */
    }
    .contact .contact-item { 
        flex: none; 
        text-align: center; /* center align text content */
    }
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

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

.service-card,
.contact-item,
.about-text {
    animation: fadeInUp 0.6s ease-out;
}