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

:root {
    /* Color Palette */
    --primary-dark: #1a2332;
    --primary-navy: #2c3e50;
    --accent-teal: #00d4aa;
    --accent-blue: #0ea5e9;
    --accent-gold: #f59e0b;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e5e7eb;
    --text-gray: #6b7280;
    --text-dark: #1f2937;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    
    /* Spacing */
    --section-padding: 100px;
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 20px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.ampersand {
    color: var(--accent-teal);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition-fast);
}

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

.nav-link:hover {
    color: var(--accent-teal);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    padding: 150px 0 100px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.6;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 212, 170, 0.1) 100%);
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 10;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--medium-gray);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--accent-teal);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 212, 170, 0.3);
}

.cta-button:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(14, 165, 233, 0.4);
}

/* Fade-in Animations */
.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-delay {
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.fade-in-delay-2 {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

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

/* ============================================
   SECTION COMMON STYLES
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-teal), var(--accent-blue));
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text {
    text-align: center;
}

.about-description {
    font-size: 1.15rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.highlight-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.highlight-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.highlight-item h3 {
    font-size: 1.4rem;
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.highlight-item p {
    color: var(--text-gray);
    font-size: 1rem;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--section-padding) 0;
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-teal);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 35px;
    height: 35px;
    color: var(--white);
}

.service-title {
    font-size: 1.6rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-description {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 1.05rem;
}

.service-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-list li {
    padding: 0.6rem 0;
    padding-left: 1.8rem;
    position: relative;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-teal);
    font-weight: bold;
    font-size: 1.1rem;
}

.service-example {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1.5rem;
    border-left: 4px solid var(--accent-teal);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

/* ============================================
   CLIENTS SECTION
   ============================================ */
.clients {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
    align-items: stretch;
}

.client-card {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-navy));
    padding: 3rem 2rem;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 200px;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.client-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(14, 165, 233, 0.1));
    opacity: 0;
    transition: var(--transition-smooth);
}

.client-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 212, 170, 0.3);
    border-color: var(--accent-teal);
}

.client-card:hover::before {
    opacity: 1;
}

.client-badge {
    width: 60px;
    height: 60px;
    background: var(--accent-teal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
}

.client-card:hover .client-badge {
    background: var(--accent-blue);
    transform: scale(1.1);
}

.client-badge svg {
    width: 30px;
    height: 30px;
    color: var(--white);
}

.client-card h4 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    position: relative;
    z-index: 1;
}

.client-industry {
    color: var(--accent-teal);
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
    transition: var(--transition-smooth);
}

.client-card:hover .client-industry {
    color: var(--accent-blue);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.contact-item:hover {
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 30px;
    height: 30px;
    color: var(--white);
}

.contact-details h3 {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-details a {
    color: var(--accent-teal);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.contact-details a:hover {
    color: var(--accent-blue);
}

.contact-message {
    text-align: center;
    padding: 2rem;
}

.contact-message p {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

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

.footer-links a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--accent-teal);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition-smooth);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1.5rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
}

/* Smooth scroll reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}