/* Reset & Basics */
:root {
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --secondary-color: #6c757d;
    --accent-color: #00d4ff;
    --dark-bg: #1a1a2e; /* Darker, richer blue-black */
    --light-bg: #f4f7f6;
    --text-color: #333;
    --text-light: #666;
    --white: #fff;
    --gradient-primary: linear-gradient(135deg, #007bff 0%, #00d4ff 100%);
    --gradient-hover: linear-gradient(135deg, #0056b3 0%, #00a8cc 100%);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px rgba(0, 123, 255, 0.15);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
    overflow-x: hidden;
    background-image:
        radial-gradient(at 0% 0%, rgba(0, 123, 255, 0.03) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 212, 255, 0.03) 0px, transparent 50%);
    background-attachment: fixed;
}

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    margin-bottom: 1rem;
    color: #111;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block; /* Required for gradient text on some browsers */
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    z-index: 1;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 15px auto 0;
    border-radius: 2px;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 50px; /* Pill shape */
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hover);
    z-index: -1;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    box-shadow: inset 0 0 0 2px var(--primary-color);
    margin-left: 10px;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
}

/* Navbar */
.navbar {
    background-color: rgba(128, 124, 124, 0.9); /* Dark semi-transparent */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.8rem 0;
    background-color: rgba(26, 26, 46, 0.98);
}

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

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    font-size: 0.95rem;
}

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

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

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

/* Specific style for the Contact Us button in navbar to match links */
.nav-links .btn-primary {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    box-shadow: none;
    padding: 0;
    border-radius: 0;
    text-transform: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: normal;
    display: inline; /* Make it behave like a link */
}

.nav-links .btn-primary::before {
    display: none;
}

.nav-links .btn-primary:hover {
    transform: none;
    box-shadow: none;
    color: var(--white);
}

.nav-links .btn-primary::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-links .btn-primary:hover::after {
    width: 100%;
}


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

.bar {
    height: 3px;
    width: 25px;
    background-color: var(--white);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero h1 {
    min-height: 8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: #555;
    font-weight: 400;
}

/* Typewriter Effect */
.typewriter {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-right: 3px solid var(--primary-color);
    white-space: nowrap;
    overflow: hidden;
    animation: blink-caret 0.75s step-end infinite;
    display: inline-block;
    vertical-align: bottom;
    max-width: 100%;
    min-height: 1.2em;
    padding-right: 5px;
}

@media (max-width: 768px) {
    .typewriter {
        white-space: normal;
        border-right: none;
        animation: none;
        min-height: auto;
    }
    .hero h1 {
        min-height: auto;
        font-size: 2.5rem;
    }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--primary-color); }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

/* Tilt Effect */
.tilt-card {
    transform-style: preserve-3d;
    transform: perspective(1000px);
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--white);
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 50px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-hover);
}

.icon-wrapper {
    width: 70px;
    height: 70px;
    background: rgba(0, 123, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--primary-color);
    font-size: 1.8rem;
    transition: var(--transition);
}

.feature-card:hover .icon-wrapper {
    background: var(--gradient-primary);
    color: var(--white);
    transform: rotateY(180deg);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #222;
}

/* AI Solutions Section */
.ai-solutions {
    padding: 100px 0;
    background-color: #f8faff;
    position: relative;
    z-index: 10;
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.ai-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: flex-start;
    gap: 25px;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.02);
}

.ai-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.ai-icon {
    font-size: 2rem;
    color: var(--white);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); /* Purple gradient */
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(118, 75, 162, 0.3);
}

.ai-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

/* Tech Stack Section */
.tech-stack {
    background-color: #1a1a2e;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.tech-stack h2 {
    color: var(--white);
}

.tech-stack p {
    color: #a0a0a0;
    max-width: 600px;
    margin: 0 auto 50px;
}

.tech-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 50px;
    font-size: 3.5rem;
    color: #555;
}

.tech-icons i {
    transition: var(--transition);
    cursor: pointer;
}

.tech-icons i:hover {
    color: var(--accent-color);
    transform: scale(1.2);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.pricing-card {
    background: var(--white);
    max-width: 450px;
    margin: 0 auto;
    padding: 60px 40px;
    border-radius: 25px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-card .price {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 15px 0;
}

.pricing-card ul {
    text-align: left;
    margin-bottom: 40px;
}

.pricing-card li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.05rem;
}

.pricing-card li i {
    color: #28a745;
    font-size: 1.2rem;
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background-color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.portfolio-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 123, 255, 0.15); /* Reduced opacity to 0.4 */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(2px);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

/* Removed button styles from overlay */

.portfolio-info {
    padding: 30px;
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

/* Services Section */
.services-section {
    padding: 100px 0;
    background-color: #f4f4f4;
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-box {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.service-box:hover {
    transform: translateY(-10px);
    background: var(--gradient-primary);
}

.service-box:hover h3, .service-box:hover p, .service-box:hover i {
    color: var(--white);
}

.service-box i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-box h3 {
    margin-bottom: 15px;
    transition: var(--transition);
}

.service-box p {
    transition: var(--transition);
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background-color: var(--white);
    text-align: center;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.testimonial-item {
    background: #fff;
    padding: 50px;
    border-radius: 20px;
    position: relative;
    text-align: left;
    box-shadow: var(--shadow-soft);
    border: 1px solid #eee;
}

.quote-icon {
    font-size: 3rem;
    color: rgba(0, 123, 255, 0.1);
    position: absolute;
    top: 30px;
    right: 30px;
}

.testimonial-item p {
    font-style: italic;
    margin-bottom: 30px;
    font-size: 1.1rem;
    color: #555;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
}

.testimonial-author img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--light-bg);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.testimonial-author h4 {
    margin-bottom: 2px;
    font-size: 1.1rem;
}

.testimonial-author span {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: #f4f4f4;
    text-align: center;
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stat-item {
    background: var(--white);
    padding: 40px 20px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

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

.stat-item .count {
    font-size: 1.5rem; /* Reduced from 2.5rem */
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 10px;
    word-break: break-all;
}

/* Team Section */
.team-section {
    padding: 100px 0;
    background-color: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.team-member {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    text-align: center;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.team-member img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    object-position: top;
    filter: grayscale(20%);
    transition: var(--transition);
}

.team-member:hover img {
    filter: grayscale(0%);
}

.member-info {
    padding: 25px;
}

.member-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: #333;
}

.member-info p {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.team-member .social-icons {
    justify-content: center;
    gap: 15px;
}

.team-member .social-icons a {
    background-color: #f4f4f4;
    color: #555;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.team-member .social-icons a:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: rotate(360deg);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 18px;
    border: 2px solid #eee;
    border-radius: 10px;
    font-family: inherit;
    transition: var(--transition);
    background: #f9f9f9;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 40px;
    justify-content: center;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
}

.info-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 5px;
    background: rgba(0, 123, 255, 0.1);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-item h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

/* Footer */
footer {
    background-color: #111;
    color: var(--white);
    padding: 60px 0;
    border-top: 5px solid var(--primary-color);
}

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

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(26, 26, 46, 0.98);
        flex-direction: column;
        padding: 30px;
        text-align: center;
        backdrop-filter: blur(10px);
    }

    .nav-links.active {
        display: flex;
    }

    .hero {
        padding: 120px 0 100px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .ai-solutions {
        margin: 0;
        padding: 80px 0;
    }

    .tech-stack {
        padding: 80px 0;
    }
}