:root {
    /* Colors - Dark Gradient Theme */
    --bg-gradient-start: #0f172a;
    /* Deep Slate */
    --bg-gradient-end: #1e293b;
    /* Lighter Slate */

    --primary: #06b6d4;
    /* Cyan */
    --primary-glow: rgba(6, 182, 212, 0.5);
    --primary-dark: #0891b2;

    --secondary: #f43f5e;
    /* Rose/Red for Security */

    --text-main: #f1f5f9;
    /* Off-white */
    --text-muted: #94a3b8;
    /* Slate Gray */

    --card-bg: rgba(30, 41, 59, 0.7);
    /* Glassy Dark */
    --card-border: rgba(255, 255, 255, 0.1);

    --nav-bg: rgba(15, 23, 42, 0.9);

    /* Typography */
    --font-main: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --glow: 0 0 15px var(--primary-glow);

    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    background-attachment: fixed;
    /* Parallax-like effect */
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

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

.btn-outline:hover {
    background-color: rgba(6, 182, 212, 0.1);
    color: #fff;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header */
.header {
    background-color: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

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

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

.nav-list a {
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-list a:hover {
    color: var(--primary);
}

/* Fix for "Always Active" Contact Button - Made it a regular link style in nav, or a subtle outline */
.nav-list .btn-nav {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--card-border);
    border-radius: 50px;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.nav-list .btn-nav:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(6, 182, 212, 0.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
}

/* Background Glow Effect */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-main);
}

.hero-content .highlight {
    background: linear-gradient(90deg, var(--primary), #2dd4bf);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-btns {
    display: flex;
    gap: 1rem;
}

.visual-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

/* Add a techy grid overlay to placeholder */
.visual-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
}

/* Sections General */
.section {
    padding: var(--spacing-xl) 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

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

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--card-border);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--primary);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(6, 182, 212, 0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.feature-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-main);
    font-weight: 500;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* About */
.about {
    position: relative;
}

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

.about-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--card-border);
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.about p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    border-top: 1px solid var(--card-border);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.stat-label {
    font-weight: 600;
    color: var(--text-main);
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 0;
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--card-border);
}

.contact-info {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(6, 182, 212, 0.02));
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    border-right: 1px solid var(--card-border);
}

.info-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.info-item p {
    color: var(--text-muted);
}

.contact-form {
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--text-main);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
    background: rgba(15, 23, 42, 0.8);
}

.footer-brand .logo {
    color: var(--text-main);
    margin-bottom: 0.5rem;
    display: block;
}

/* Footer */
.footer {
    background-color: #020617;
    /* Very dark slate */
    color: var(--text-muted);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--card-border);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

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

.footer-brand .logo {
    color: var(--text-main);
    margin-bottom: 0.5rem;
    display: block;
}

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

.footer-links a {
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-copy {
    margin-top: 2rem;
    color: #475569;
    font-size: 0.9rem;
}

/* Social Icons */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    transition: var(--transition);
    border: 1px solid var(--card-border);
}

.social-links a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(6, 182, 212, 0.4);
    border-color: var(--primary);
}

/* Responsive */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto 2rem;
    }

    .hero-btns {
        justify-content: center;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        border-right: none;
    }

    .contact-info {
        border-right: none;
        border-bottom: 1px solid var(--card-border);
    }
}

@media (max-width: 768px) {
    .header .nav-list {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--nav-bg);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
        border-bottom: 1px solid var(--card-border);
    }

    .header .nav-list.active {
        transform: translateY(0);
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .stats {
        flex-direction: column;
        gap: 2rem;
    }
}