/* ==========================================
   DeskSync Technologies - Website Styles
   ========================================== */

/* CSS Variables */
:root {
    --primary-blue: #2980b9;
    --primary-green: #27ae60;
    --dark-gray: #2c3e50;
    --light-gray: #ecf0f1;
    --white: #ffffff;
    --text-gray: #7f8c8d;
    --gradient: linear-gradient(135deg, #2980b9 0%, #27ae60 100%);
    
    --font-primary: 'Inter', 'Poppins', 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

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

a:hover {
    color: var(--primary-green);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--box-shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

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

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

.btn-outline {
    border: 2px solid var(--primary-blue);
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    transition: var(--transition);
}

.logo:hover img {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--dark-gray);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, rgba(41, 128, 185, 0.05) 0%, rgba(39, 174, 96, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-tagline {
    padding: 1rem 0;
    font-size: 1.1rem;
    color: var(--primary-blue);
}

.hero-visual {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: float 3s ease-in-out infinite;
}

.floating-card.card-1 {
    top: -50px;
    right: 0;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 80px;
    right: -100px;
    animation-delay: 1s;
}

.floating-card.card-3 {
    top: 210px;
    right: -30px;
    animation-delay: 2s;
}

.card-icon {
    font-size: 2rem;
}

.card-text {
    font-weight: var(--font-weight-medium);
    color: var(--dark-gray);
}

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

/* Section Common Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
}

/* Features Section */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Technology Section */
.technology {
    background: linear-gradient(135deg, rgba(41, 128, 185, 0.03) 0%, rgba(39, 174, 96, 0.03) 100%);
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tech-category h3 {
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    color: var(--primary-blue);
    border: 2px solid var(--light-gray);
    transition: var(--transition);
}

.tag:hover {
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.architecture-info {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.architecture-info h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.service-item {
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    text-align: center;
}

.service-item strong {
    display: block;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

/* About Section */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-gray);
    font-weight: var(--font-weight-medium);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-list-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.checkmark {
    color: var(--primary-green);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, rgba(41, 128, 185, 0.05) 0%, rgba(39, 174, 96, 0.05) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    padding: 2.5rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

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

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.contact-card a {
    display: block;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand img {
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--light-gray);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: var(--light-gray);
    margin-bottom: 0.5rem;
}

.footer-column a:hover {
    color: var(--primary-green);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--light-gray);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: var(--light-gray);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-visual {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--box-shadow);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}