/* 
   Optimal Cybersecurity - Main Stylesheet
   Author: Manus AI
   Date: April 5, 2025
*/

/* ===== CSS RESET & BASE STYLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Color Variables */
    --color-white: #FFFFFF;
    --color-sapphire: #0F52BA;
    --color-teal: #008080;
    --color-mauve: #E0B0FF;
    --color-dark: #333333;
    --color-gray: #666666;
    --color-light-gray: #F5F5F5;
    --color-medium-gray: #DDDDDD;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

ul {
    list-style: none;
}

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

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

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

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    color: var(--color-sapphire);
    margin-bottom: var(--spacing-xs);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--color-teal);
}

.section-header p {
    color: var(--color-gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: var(--spacing-sm) auto 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-sapphire);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #0a3d8a;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-sapphire);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-normal);
}

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

.logo h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
}

.logo span {
    color: var(--color-sapphire);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-menu li a {
    color: var(--color-dark);
    font-weight: 500;
    padding: 0.5rem;
    transition: color var(--transition-fast);
}

.nav-menu li a:hover {
    color: var(--color-sapphire);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-dark);
}

/* ===== HERO SECTION ===== */
#hero {
    padding-top: calc(var(--spacing-xl) + 80px);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTQ0MCIgaGVpZ2h0PSI4MDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGRlZnM+PGxpbmVhckdyYWRpZW50IHgxPSIwJSIgeTE9IjAlIiB4Mj0iMTAwJSIgeTI9IjEwMCUiIGlkPSJhIj48c3RvcCBzdG9wLWNvbG9yPSIjMEY1MkJBIiBzdG9wLW9wYWNpdHk9Ii4wNSIgb2Zmc2V0PSIwJSIvPjxzdG9wIHN0b3AtY29sb3I9IiMwMDgwODAiIHN0b3Atb3BhY2l0eT0iLjA1IiBvZmZzZXQ9IjEwMCUiLz48L2xpbmVhckdyYWRpZW50PjwvZGVmcz48cGF0aCBkPSJNMCAwaDEwMHYxMDBIMHoiIHRyYW5zZm9ybT0ic2NhbGUoMTQuNCw4KSIgZmlsbD0idXJsKCNhKSIgZmlsbC1ydWxlPSJldmVub2RkIi8+PC9zdmc+');
    background-size: cover;
    opacity: 0.7;
    z-index: 0;
}

#hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-sapphire);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
}

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

.hero-stats {
    display: flex;
    justify-content: space-around;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    color: var(--color-sapphire);
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

.stat-item p {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ===== FEATURES SECTION ===== */
#features {
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-align: center;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(15, 82, 186, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-sm);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--color-sapphire);
}

.feature-card h3 {
    color: var(--color-sapphire);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/* ===== BENEFITS SECTION ===== */
#benefits {
    background-color: var(--color-light-gray);
}

.benefits-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.benefit-content {
    flex: 1;
}

.benefit-item {
    margin-bottom: var(--spacing-md);
}

.benefit-item h3 {
    color: var(--color-sapphire);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.benefit-item h3 i {
    color: var(--color-teal);
}

.benefit-item p {
    color: var(--color-gray);
    padding-left: 1.8rem;
}

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

/* ===== TEAM SECTION ===== */
#team {
    background-color: var(--color-white);
}

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

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

.team-card:hover {
    transform: translateY(-5px);
}

.team-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 128, 128, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--spacing-sm);
}

.team-icon i {
    font-size: 1.5rem;
    color: var(--color-teal);
}

.team-card h3 {
    color: var(--color-sapphire);
    margin-bottom: var(--spacing-xs);
}

.team-card p {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/* ===== PRICING SECTION ===== */
#pricing {
    background-color: var(--color-light-gray);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.pricing-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
}

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

.pricing-card.featured {
    border: 2px solid var(--color-sapphire);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--color-sapphire);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-bottom-left-radius: var(--border-radius-md);
}

.pricing-header {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--color-medium-gray);
}

.pricing-header h3 {
    color: var(--color-sapphire);
    margin-bottom: var(--spacing-xs);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-dark);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-gray);
}

.pricing-features {
    padding: var(--spacing-md);
}

.pricing-features ul li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}

.pricing-features ul li i {
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

.pricing-features ul li i.fa-check {
    color: var(--color-teal);
}

.pricing-features ul li i.fa-times {
    color: var(--color-gray);
}

.pricing-cta {
    padding: 0 var(--spacing-md) var(--spacing-md);
    text-align: center;
}

/* ===== TESTIMONIALS SECTION ===== */
#testimonials {
    background-color: var(--color-white);
}

.testimonials-slider {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.testimonials-slider::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.testimonial-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
    min-width: 300px;
    flex: 1;
}

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

.testimonial-content p {
    font-style: italic;
    color: var(--color-gray);
}

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

.author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
}

.author-info h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

.author-info p {
    margin-bottom: 0;
    font-size: 0.8rem;
    color: var(--color-gray);
}

.trust-signals {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.trust-item {
    max-width: 100px;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.trust-item:hover {
    opacity: 1;
}

/* ===== CONTACT SECTION ===== */
#contact {
    background-color: var(--color-light-gray);
}

.contact-wrapper {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-form {
    flex: 2;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.info-item i {
    font-size: 2rem;
    color: var(--color-sapphire);
    margin-bottom: var(--spacing-xs);
}

.info-item h3 {
    color: var(--color-sapphire);
    margin-bottom: var(--spacing-xs);
}

.info-item p {
    margin-bottom: 0.5rem;
}

.info-item p:last-child {
    margin-bottom: 0;
}

/* ===== FOOTER ===== */
footer {
    background-color: #1a1a1a;
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

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

.footer-logo h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.footer-logo span {
    color: var(--color-mauve);
}

.footer-logo p {
    color: #aaa;
}

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

.link-group {
    flex: 1;
    min-width: 120px;
}

.link-group h3 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.link-group ul li {
    margin-bottom: 0.5rem;
}

.link-group ul li a {
    color: #aaa;
    transition: color var(--transition-fast);
}

.link-group ul li a:hover {
    color: var(--color-mauve);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid #333;
}

.copyright p {
    margin-bottom: 0;
    color: #aaa;
    font-size: 0.9rem;
}

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

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #333;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .benefits-wrapper {
        flex-direction: column;
    }
    
    .benefit-image {
        order: -1;
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-sm);
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    #hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .contact-wrapper {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .testimonials-slider {
        flex-direction: column;
    }
    
    .testimonial-card {
        min-width: auto;
    }
}