/* PRO-BSS Website - Enhanced CSS with Animations */

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

:root {
    --primary-blue: #1e40af;
    --bright-orange: #f59e0b;
    --sunny-yellow: #fbbf24;
    --purple: #8b5cf6;
    --red: #ef4444;
    --green: #10b981;
    --white: #ffffff;
    --gray-100: #f3f4f6;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --font-primary: 'Inter', sans-serif;
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-color: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--white);
    background: linear-gradient(135deg, #0f172a, #1e293b, #334155);
    overflow-x: hidden;
}

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

/* Animated Background Particles */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(248, 250, 252, 0.1);
    transition: all 0.3s ease;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 45px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.3));
    transition: all 0.3s ease;
}

.logo-img:hover {
    filter: drop-shadow(0 0 20px rgba(245, 158, 11, 0.6));
    transform: scale(1.05);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

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

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--bright-orange);
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: linear-gradient(90deg, var(--bright-orange), var(--sunny-yellow));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.4);
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.nav-cta:hover::before {
    left: 100%;
}

/* Mobile Navigation */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(30, 64, 175, 0.1) 0%, transparent 50%);
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.typewriter {
    display: block;
    overflow: hidden;
    border-right: 3px solid var(--bright-orange);
    white-space: nowrap;
    animation: typewriter 3s steps(30) 1s both, blink 1s infinite;
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

.gradient-text {
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(45deg); }
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    color: var(--white);
    box-shadow: var(--shadow-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 25px 50px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--bright-orange);
}

.btn-secondary:hover {
    background: var(--bright-orange);
    color: var(--white);
    transform: translateY(-3px);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
    100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

/* Floating Shapes */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    animation: floatShapes 8s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--bright-orange), transparent);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-blue), transparent);
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--purple), transparent);
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes floatShapes {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
        opacity: 0.7;
    }
}

/* Services Section */
.services {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, transparent 100%);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--white), var(--bright-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.service-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--bright-orange);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--bright-orange);
}

.service-card p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-link {
    color: var(--bright-orange);
    text-decoration: none;
    font-weight: 600;
    position: relative;
}

.service-link::after {
    content: ' →';
    transition: transform 0.3s ease;
}

.service-link:hover::after {
    transform: translateX(5px);
}

/* Statistics Section */
.stats {
    padding: 80px 0;
    background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
}

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

.stat-item {
    position: relative;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.stat-icon {
    font-size: 2rem;
    opacity: 0.7;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, transparent 100%);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.testimonial-card {
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.5s ease;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
    position: relative;
}

.testimonial-content {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
}

.stars {
    color: var(--sunny-yellow);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bright-orange);
}

.author-info span {
    opacity: 0.8;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--bright-orange);
    transform: scale(1.2);
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
}

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

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 300px;
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    position: relative;
}

.placeholder-img.ai {
    background: linear-gradient(135deg, var(--primary-blue), #3b82f6);
}

.placeholder-img.saas {
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
}

.placeholder-img.analytics {
    background: linear-gradient(135deg, var(--purple), #a78bfa);
}

.placeholder-img.iot {
    background: linear-gradient(135deg, var(--red), #f87171);
}

.placeholder-img.crm {
    background: linear-gradient(135deg, var(--green), #34d399);
}

.placeholder-img.education {
    background: linear-gradient(135deg, var(--bright-orange), #fcd34d);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    opacity: 0;
    transition: all 0.3s ease;
}

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

.portfolio-overlay h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--bright-orange);
}

.portfolio-overlay p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.category-tag {
    background: var(--bright-orange);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, transparent 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
    align-items: start;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1rem;
    color: var(--white);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--bright-orange);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:valid + label,
.form-group textarea:valid + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.8rem;
    color: var(--bright-orange);
    background: var(--gray-900);
    padding: 0 0.5rem;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(5px);
    border-color: var(--bright-orange);
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    border-radius: 15px;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--bright-orange);
    margin-bottom: 0.5rem;
}

.contact-details p {
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--gray-900);
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section h3 {
    color: var(--bright-orange);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--bright-orange);
    transform: translateX(5px);
}

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

.footer-logo-img {
    height: 40px;
    width: auto;
}

.footer-logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

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

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--bright-orange), var(--sunny-yellow));
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 15px 30px rgba(245, 158, 11, 0.4);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Animations for scroll-triggered elements */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--bright-orange);
    animation: spin 1s ease-in-out infinite;
}

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