/* 
   Novaxis AI Solutions - Main Stylesheet
   Author: Dominic Fernando
*/

:root {
    /* Primary Colors (from logo) */
    --primary-blue: #3498db;      /* Blue from logo */
    --primary-green: #7ac142;     /* Green from logo */
    --primary-orange: #f39c12;    /* Orange from logo */
    --primary-red: #e74c3c;       /* Red from logo */
    
    /* Neutral Colors */
    --dark: #2c3e50;
    --dark-gray: #34495e;
    --medium-gray: #7f8c8d;
    --light-gray: #ecf0f1;
    --off-white: #f9f9f9;
    --white: #ffffff;
    
    /* Font Sizes */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    
    /* Spacing */
    --spacing-xs: 0.25rem;  /* 4px */
    --spacing-sm: 0.5rem;   /* 8px */
    --spacing-md: 1rem;     /* 16px */
    --spacing-lg: 1.5rem;   /* 24px */
    --spacing-xl: 2rem;     /* 32px */
    --spacing-2xl: 3rem;    /* 48px */
    --spacing-3xl: 4rem;    /* 64px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;   /* 4px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 1rem;      /* 16px */
    --radius-full: 9999px;  /* Fully rounded */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms;
    --transition-normal: 300ms;
    --transition-slow: 500ms;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: var(--primary-blue);
    transition: color var(--transition-normal) ease;
}

a:hover {
    color: var(--dark);
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-3xl) 0;
}

.highlight {
    color: var(--primary-blue);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    border: none;
    outline: none;
    font-size: var(--text-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal) ease;
}

header.scrolled {
    box-shadow: var(--shadow-md);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 80px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: var(--dark);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    transition: width var(--transition-normal) ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 30px;
    height: 3px;
    background-color: var(--dark);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal) ease;
}

/* Hero Section */
.hero {
    padding-top: calc(80px + var(--spacing-3xl)); /* Account for fixed header */
    background: linear-gradient(135deg, rgba(236, 240, 241, 0.8), rgba(255, 255, 255, 0.9));
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(122, 193, 66, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: var(--text-5xl);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-content p {
    font-size: var(--text-xl);
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    animation: float 6s ease-in-out infinite;
}

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

/* Services Section */
.services {
    background-color: var(--off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal) ease;
}

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

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

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    font-size: var(--text-3xl);
}

.service-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-md);
}

.service-card p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
}

.service-features {
    list-style: disc;
    padding-left: var(--spacing-xl);
    color: var(--dark-gray);
}

.service-features li {
    margin-bottom: var(--spacing-xs);
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    margin-bottom: var(--spacing-lg);
    color: var(--dark-gray);
}

.about-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat h3 {
    font-size: var(--text-3xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.stat p {
    font-size: var(--text-sm);
    color: var(--medium-gray);
    margin-bottom: 0;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.about-image img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Tools Section */
.tools {
    background-color: var(--off-white);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.tool-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal) ease;
}

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

.tool-card img {
    height: 60px;
    margin-bottom: var(--spacing-md);
}

.tool-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-sm);
}

.tool-card p {
    color: var(--medium-gray);
    font-size: var(--text-sm);
}

/* Process Section */
.process-steps {
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 24px;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-blue), var(--primary-green));
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--white);
    font-weight: 600;
    font-size: var(--text-xl);
    z-index: 1;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--dark-gray);
}

/* Testimonials Section */
.testimonials {
    background-color: var(--white);
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
}

.testimonial {
    background-color: var(--off-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    margin: 0 var(--spacing-md);
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--dark-gray);
    position: relative;
    padding: 0 var(--spacing-md);
}

.testimonial-content p::before,
.testimonial-content p::after {
    content: '"';
    font-size: var(--text-3xl);
    color: var(--primary-blue);
    position: absolute;
}

.testimonial-content p::before {
    left: 0;
    top: 0;
}

.testimonial-content p::after {
    right: 0;
    bottom: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-info h4 {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    font-size: var(--text-sm);
    color: var(--medium-gray);
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.testimonial-control {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
}

.testimonial-control:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

/* Contact Section */
.contact {
    background-color: var(--off-white);
}

.contact-content {
    display: flex;
    gap: var(--spacing-2xl);
}

.contact-info,
.contact-form {
    flex: 1;
}

.contact-info h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-lg);
}

.contact-info p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-method i {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--white);
    font-size: var(--text-xl);
}

.contact-method h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-xs);
}

.contact-method p {
    margin-bottom: 0;
    color: var(--dark-gray);
}

.contact-form {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: 'Poppins', sans-serif;
    font-size: var(--text-base);
    transition: border-color var(--transition-normal) ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--white);
    padding-top: var(--spacing-2xl);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-logo img {
    height: 80px;
    margin-bottom: var(--spacing-md);
}

.footer-logo p {
    color: var(--light-gray);
    font-size: var(--text-sm);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2xl);
    flex: 2;
}

.footer-link-group h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    position: relative;
    display: inline-block;
}

.footer-link-group h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
}

.footer-link-group ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link-group a {
    color: var(--light-gray);
    transition: color var(--transition-normal) ease;
}

.footer-link-group a:hover {
    color: var(--primary-blue);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--white);
    transition: all var(--transition-normal) ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: var(--light-gray);
    font-size: var(--text-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--light-gray);
    font-size: var(--text-sm);
    transition: color var(--transition-normal) ease;
}

.footer-legal a:hover {
    color: var(--primary-blue);
}

/* Responsive Styles */
@media (max-width: 992px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.75rem;
    }
    
    .hero .container,
    .about-content,
    .contact-content {
        flex-direction: column;
    }
    
    .hero-image,
    .about-image {
        margin-top: var(--spacing-xl);
    }
    
    .about-stats {
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-lg) 0;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-normal) ease;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .services-grid,
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    :root {
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
        --text-xl: 1.125rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
    }
}