/* ============================================
   Custom Styles for AI Bot Startup Website
   ============================================ */

/* Licensed font: Proxima Nova (replace URLs with your licensed CDN paths) */
@font-face {
    font-family: "Proxima Nova";
    src: url("https://cdn.example.com/fonts/proxima-nova-regular.woff2") format("woff2"),
         url("https://cdn.example.com/fonts/proxima-nova-regular.woff") format("woff");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Proxima Nova";
    src: url("https://cdn.example.com/fonts/proxima-nova-semibold.woff2") format("woff2"),
         url("https://cdn.example.com/fonts/proxima-nova-semibold.woff") format("woff");
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Proxima Nova";
    src: url("https://cdn.example.com/fonts/proxima-nova-bold.woff2") format("woff2"),
         url("https://cdn.example.com/fonts/proxima-nova-bold.woff") format("woff");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Licensed font: Barlow Condensed Light (replace URLs with your licensed CDN paths) */
@font-face {
    font-family: "Barlow Condensed";
    src: url("https://cdn.example.com/fonts/barlow-condensed-light.woff2") format("woff2"),
         url("https://cdn.example.com/fonts/barlow-condensed-light.woff") format("woff");
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

/* Root Variables */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --dark-bg: #0f172a;
    --dark-secondary: #1e293b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* Text Gradient */
.text-gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-size: 2.5rem;
    color: var(--white) !important;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: "Barlow Condensed", "Proxima Nova", "Inter", "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
    letter-spacing: 0.01em;
}

.navbar-brand img {
    /* font-size: 1.8rem; 
    color: var(--primary-light);*/
    animation: pulse 2s infinite;
}

.nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-light) !important;
}

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

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

/* Hero Section */
.hero-section {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    color: var(--white);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    color: var(--text-light);
    font-size: 1.25rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    animation: fadeInUp 1s ease 0.4s both;
}

.btn-primary {
    background: var(--gradient-1);
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Hero Image Wrapper */
.hero-image-wrapper {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-robot {
    font-size: 15rem;
    color: var(--primary-light);
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.5));
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-light);
    border-radius: 50%;
    animation: particleFloat 4s infinite;
    opacity: 0.6;
}

.particle:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 40%;
    right: 20%;
    animation-delay: 0.5s;
}

.particle:nth-child(3) {
    bottom: 30%;
    left: 30%;
    animation-delay: 1s;
}

.particle:nth-child(4) {
    top: 60%;
    right: 30%;
    animation-delay: 1.5s;
}

.particle:nth-child(5) {
    bottom: 20%;
    right: 40%;
    animation-delay: 2s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-down {
    color: var(--text-light);
    font-size: 2rem;
    animation: bounce 2s infinite;
    display: block;
    transition: var(--transition);
}

.scroll-down:hover {
    color: var(--primary-light);
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-tag {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* About Section */
.about-image {
    position: relative;
}

.about-image img {
    transition: var(--transition);
}

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

.image-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
    animation: slideInRight 1s ease;
}

.image-badge i {
    font-size: 1.25rem;
}

.feature-box {
    padding: 1.5rem;
    border-radius: 15px;
    transition: var(--transition);
    height: 100%;
}

.feature-box:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--white);
    transition: var(--transition);
}

.feature-box:hover .feature-icon {
    transform: rotate(5deg) scale(1.1);
}

/* Feature Cards */
.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-card-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: var(--white);
    transition: var(--transition);
}

.feature-card:hover .feature-card-icon {
    transform: scale(1.1) rotate(5deg);
}

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

/* Service Cards */
.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    position: relative;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.service-card.featured {
    background: var(--gradient-1);
    color: var(--white);
    border-color: var(--primary-light);
}

.service-card.featured .service-card-header,
.service-card.featured .service-card-body,
.service-card.featured h4,
.service-card.featured p,
.service-card.featured li {
    color: var(--white);
}

.service-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.service-card-header {
    margin-bottom: 1.5rem;
}

.service-card-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.service-card.featured .service-card-header i {
    color: var(--white);
}

.service-card-header h4 {
    margin-bottom: 0;
}

.service-list {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.service-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-list i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.service-card.featured .service-list i {
    color: var(--white);
}

/* Team Cards */
.team-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.team-image {
    position: relative;
    overflow: hidden;
    height: 300px;
    background: var(--gradient-1);
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-card:hover .team-image img {
    transform: scale(1.1);
}

.team-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(99, 102, 241, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.team-card:hover .team-overlay {
    opacity: 1;
}

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

.team-social a {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    transition: var(--transition);
}

.team-social a:hover {
    transform: scale(1.2) rotate(5deg);
    background: var(--accent-color);
    color: var(--white);
}

.team-info {
    padding: 1.5rem;
    text-align: center;
}

.team-info h5 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

/* Testimonial Cards */
.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border-left: 4px solid var(--primary-color);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-light);
}

.testimonial-author h6 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

/* Contact Section */
.contact-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-info-item {
    text-align: center;
    padding: 1.5rem;
    border-radius: 15px;
    transition: var(--transition);
}

.contact-info-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transform: translateY(-5px);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: var(--white);
    transition: var(--transition);
}

.contact-info-item:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
}

.contact-form .form-control {
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.75rem 1.25rem;
    transition: var(--transition);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--text-light);
}

.footer h5, .footer h6 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: var(--text-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.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: var(--text-light);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.newsletter-form .input-group {
    border-radius: 50px;
    overflow: hidden;
}

.newsletter-form .form-control {
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50px 0 0 50px;
}

.newsletter-form .form-control::placeholder {
    color: var(--text-light);
}

.newsletter-form .btn {
    border-radius: 0 50px 50px 0;
    border: none;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

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

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-30px) translateX(20px);
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

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

.pulse-animation {
    animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .floating-robot {
        font-size: 8rem;
    }
    
    .hero-image-wrapper {
        height: 300px;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .contact-card {
        padding: 2rem;
    }
}

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

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Additional Utility Classes */
.bg-gradient {
    background: var(--gradient-1);
}

.shadow-custom {
    box-shadow: var(--shadow-lg);
}