:root {
    /* Colors */
    --primary-color: #0f172a; /* Dark Blue/Black */
    --secondary-color: #3b82f6; /* Bright Blue Accent */
    --accent-color: #6366f1; /* Indigo */
    --whatsapp-green: #25D366;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --text-color: #334155;
    --text-dark: #0f172a;
    --text-light: #64748b;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --brand-teal: #14b8a6;
    --brand-navy: #0f172a;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

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

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    .grid-2 {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    }
}

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

/* Services */
.service-card {
    padding: var(--spacing-md);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    background-color: var(--bg-light);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.bg-light {
    background-color: var(--bg-light);
}

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

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

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

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

.btn-secondary {
    background-color: var(--white);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn-whatsapp {
    background-color: var(--whatsapp-green);
    color: var(--white);
    border-color: var(--whatsapp-green);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(1.03);
}

.btn-whatsapp svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-dark);
    letter-spacing: -0.025em;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-image {
    height: 28px;
    width: auto;
}

.brand-sai {
    color: var(--brand-teal);
    font-weight: 500;
}

.brand-chandra {
    color: var(--brand-navy);
    font-weight: 500;
}
.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95rem;
}

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

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--white);
    z-index: 999;
    padding: 5rem 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(to bottom, var(--white), var(--bg-light));
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(to right, var(--text-dark), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Cards */
.card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.card p {
    color: var(--text-light);
}

/* Split Layout */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.feature-list {
    margin: var(--spacing-md) 0;
}

.feature-list li {
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: "✓";
    color: var(--secondary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
    line-height: 1.6;
}

.placeholder-image {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    height: 300px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.placeholder-image::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 60%);
    opacity: 0.5;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-content {
    animation: fadeIn 0.8s ease-out forwards;
}

.hero-actions {
    animation: fadeIn 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

/* Footer */
.pricing-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
    z-index: 1;
}

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

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: var(--spacing-xs) 0;
}

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

.pricing-features {
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: 1.5rem;
}

.pricing-features li::before {
    content: "✓";
    color: var(--secondary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
    line-height: 1.6;
}

.full-width {
    width: 100%;
    text-align: center;
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Portfolio */
.portfolio-item {
    display: block;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.portfolio-image {
    height: 200px;
    width: 100%;
    object-fit: cover;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-light);
}

.portfolio-info {
    padding: var(--spacing-sm);
}

.portfolio-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.portfolio-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Form */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-col a {
    display: block;
    color: #94a3b8;
    margin-bottom: var(--spacing-xs);
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
        min-height: 56px;
        justify-content: flex-start;
        position: relative;
    }

    .nav {
        display: none;
    }

    .header-actions {
        display: none;
    }

    .logo {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        font-size: 1.15rem;
        white-space: nowrap;
        margin: 0;
        z-index: 5;
        gap: 0.4rem;
    }

    .mobile-menu-toggle {
        display: flex;
        order: -1;
        z-index: 10;
        padding: 0; /* Remove potential padding if any */
    }
    
    .mobile-menu-toggle span {
        background-color: var(--text-dark); /* Ensure brand consistency */
    }

    .logo-image {
        height: 22px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .split-layout {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}


/* Pricing Tables */
.pricing-tables-section {
    padding-top: var(--spacing-lg);
}

.pricing-table-container {
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    text-align: left;
}

.pricing-table th,
.pricing-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.pricing-table th {
    background-color: var(--bg-light);
    font-weight: 600;
    color: var(--text-dark);
}

.pricing-table tr:last-child td {
    border-bottom: none;
}

.pricing-table tr:hover {
    background-color: var(--bg-light);
}

.table-note {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Info Box */
.info-box {
    background-color: #f0f9ff; /* Light blue background */
    border: 1px solid #bae6fd;
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    text-align: center;
}

.info-box h3 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.info-box ul {
    display: inline-block;
    text-align: left;
    margin: 0 auto;
}

.info-box li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

    .info-box li::before {
        content: "ℹ";
        position: absolute;
        left: 0;
        color: var(--secondary-color);
    }

.hiring-banner {
    position: fixed;
    left: 0;
    right: 0;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: #e5e7eb;
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 950;
    text-decoration: none;
    backdrop-filter: saturate(140%) blur(4px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    cursor: pointer;
}

.marquee {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.marquee-track {
    display: inline-block;
    white-space: nowrap;
    will-change: transform;
    animation: marquee 60s linear infinite;
}

.marquee-content {
    display: inline;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    padding: 0 24px;
}

.hiring-banner:hover .marquee-track {
    animation-play-state: paused;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.portfolio-marquee .marquee-track {
    animation-duration: 80s;
}

.portfolio-marquee:hover .marquee-track {
    animation-play-state: paused;
}

.portfolio-marquee .portfolio-item {
    width: 320px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.portfolio-marquee .portfolio-image {
    transition: transform 0.4s ease;
}

.portfolio-marquee .portfolio-item:hover .portfolio-image {
    transform: scale(1.03);
}

@media (max-width: 768px) {
    .portfolio-marquee .portfolio-item {
        width: 240px;
    }
}

.portfolio-marquee .portfolio-title {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    padding: 8px 10px;
}

.portfolio-marquee .badge-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.portfolio-marquee .badge-live {
    background-color: var(--whatsapp-green);
}

.portfolio-marquee .badge-demo {
    background-color: var(--secondary-color);
}

.emoji-glow {
    display: inline-block;
    animation: emojiGlow 2s ease-in-out infinite alternate;
    filter: drop-shadow(0 0 6px rgba(255,255,255,0.45));
    margin-right: 6px;
    font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji","Twemoji Mozilla","EmojiOne Mozilla","Segoe UI Symbol", sans-serif;
    font-weight: 400;
    font-style: normal;
    line-height: 1;
}

@keyframes emojiGlow {
    from { filter: drop-shadow(0 0 2px rgba(255,255,255,0.2)); transform: translateY(0); }
    to { filter: drop-shadow(0 0 8px rgba(255,255,255,0.6)); transform: translateY(-0.5px); }
}

@media (max-width: 768px) {
    .hiring-banner { font-size: 0.8rem; }
}