/* KKAI Automation - Modern 3D Professional Website Styles */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-color: #007BFF;
    --secondary-color: #28a745;
    --dark-background: #1A1A2E;
    --light-background: #F8F9FA;
    --text-dark: #333333;
    --text-light: #ffffff;
    --accent-gradient: linear-gradient(135deg, var(--primary-color), #6A1BAA);
    --shadow-3d: 0 10px 30px rgba(138, 43, 226, 0.3);
    --shadow-hover: 0 15px 40px rgba(138, 43, 226, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--light-background);
}

/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transform: perspective(1000px) rotateY(0deg);
    transition: var(--transition);
}

.logo:hover {
    transform: perspective(1000px) rotateY(-10deg) scale(1.05);
    text-shadow: 0 5px 15px rgba(0, 123, 255, 0.5);
}

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

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
    transform: perspective(1000px) rotateX(0deg);
}

.nav-link:hover {
    color: var(--primary-color);
    transform: perspective(1000px) rotateX(-5deg) translateY(-2px);
    background: rgba(0, 123, 255, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark-background) 0%, #16213e 100%);
    display: flex;
    align-items: center;
    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="%23007BFF" stop-opacity="0.1"/><stop offset="100%" stop-color="%23007BFF" 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>');
    animation: float 20s ease-in-out infinite;
}

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

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    transform: perspective(1000px) rotateX(0deg);
    animation: slideInUp 1s ease-out;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    animation: slideInUp 1s ease-out 0.2s both;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px) perspective(1000px) rotateX(10deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) perspective(1000px) rotateX(0deg);
    }
}

/* 3D Button Styles */
.btn-3d {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-gradient);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    transform: perspective(1000px) rotateX(0deg) translateZ(0);
    transition: var(--transition);
    box-shadow: var(--shadow-3d);
    border: none;
    cursor: pointer;
    overflow: hidden;
}

.btn-3d::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: var(--transition);
}

.btn-3d:hover {
    transform: perspective(1000px) rotateX(-5deg) translateY(-5px) translateZ(10px);
    box-shadow: var(--shadow-hover);
}

.btn-3d:hover::before {
    left: 100%;
}

.btn-3d:active {
    transform: perspective(1000px) rotateX(5deg) translateY(2px) translateZ(5px);
}

.btn-secondary {
    background: var(--secondary-color);
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.3);
}

.btn-secondary:hover {
    box-shadow: 0 15px 40px rgba(40, 167, 69, 0.4);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-3d-element {
    width: 400px;
    height: 400px;
    background: var(--accent-gradient);
    border-radius: 20px;
    position: relative;
    transform: perspective(1000px) rotateY(25deg) rotateX(10deg);
    animation: rotate3d 10s linear infinite;
    box-shadow: 0 20px 60px rgba(138, 43, 226, 0.3);
}

@keyframes rotate3d {
    0% { transform: perspective(1000px) rotateY(25deg) rotateX(10deg) rotateZ(0deg); }
    100% { transform: perspective(1000px) rotateY(25deg) rotateX(10deg) rotateZ(360deg); }
}

.hero-3d-element::before {
    content: 'AI';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-light);
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.section-dark {
    background: var(--dark-background);
    color: var(--text-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    transform: perspective(1000px) rotateX(0deg);
    transition: var(--transition);
}

.section-title:hover {
    transform: perspective(1000px) rotateX(-5deg) scale(1.05);
}

/* Card Styles */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card-3d {
    background: var(--text-light);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    transform: perspective(1000px) rotateX(0deg) translateZ(0);
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.card-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.card-3d:hover {
    transform: perspective(1000px) rotateX(-10deg) translateY(-10px) translateZ(20px);
    box-shadow: 0 20px 50px rgba(0, 123, 255, 0.2);
}

.card-3d h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.card-3d p {
    color: var(--text-dark);
    line-height: 1.6;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--text-light);
    border-radius: 20px;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: perspective(1000px) rotateX(0deg) scale(0.8);
    transition: var(--transition);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.modal.active .modal-content {
    transform: perspective(1000px) rotateX(0deg) scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-dark);
    transition: var(--transition);
}

.modal-close:hover {
    transform: rotate(90deg) scale(1.2);
    color: var(--primary-color);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--text-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--dark-background);
    color: var(--text-light);
    padding: 3rem 0 1rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 8px;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    background: rgba(0, 123, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-background);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .hero-3d-element {
        width: 250px;
        height: 250px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content .subtitle {
        font-size: 1rem;
    }
    
    .btn-3d {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .modal-content {
        padding: 2rem;
        margin: 1rem;
    }
}

/* Scroll Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(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(--text-light);
    animation: spin 1s ease-in-out infinite;
}

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