/* 
 * A Plus IT Solution - Premium Stylesheet
 * Modern Design System: Glassmorphism, Gradients, Smooth Animations
 */

:root {
    --primary-color: #0d1b2a; /* Deep Royal Blue */
    --secondary-color: #1b263b; /* Darker Slate */
    --accent-color: #415a77; /* Soft Blue-Grey */
    --highlight-color: #00b4d8; /* Vibrant Cyan/Teal */
    --text-light: #e0e1dd; /* Off-White */
    --text-dark: #0d1b2a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    position: relative; /* For overflow hidden if needed */
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--highlight-color), #0077b6);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(0, 180, 216, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 180, 216, 0.6);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: linear-gradient(to right, #00b4d8, #90e0ef);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    background: rgba(13, 27, 42, 0.85); /* Semi-transparent dark */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: padding 0.3s ease;
}

.navbar.scrolled {
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-light);
    font-family: var(--font-heading);
}

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

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

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--highlight-color);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--highlight-color);
}

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

.mobile-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-light);
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('hero-bg.png') center/cover no-repeat;
    /* Fallback color if image fails loading instantly */
    background-color: var(--secondary-color);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(13, 27, 42, 0.7) 0%, rgba(13, 27, 42, 0.95) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 1rem;
    opacity: 0; /* Animated in with JS */
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.5s;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero h1 span {
    background: linear-gradient(120deg, var(--highlight-color), #caf0f8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(224, 225, 221, 0.9);
}

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

/* Services Section */
.services {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

/* Background decoration for services */
.services::before {
    content: '';
    position: absolute;
    top: 20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.15) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 180, 216, 0.5);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), inset 0 0 20px rgba(0, 180, 216, 0.05);
}

.card-icon {
    font-size: 3rem;
    color: var(--highlight-color);
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(0, 180, 216, 0.1);
    border-radius: 50%;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.service-card p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

/* About/Features Staggered Layout */
.feature-section {
    padding: 6rem 0;
    background-color: var(--secondary-color);
    position: relative;
}

.feature-container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.feature-container:nth-child(even) {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
}

.feature-visual {
    flex: 1;
    background: linear-gradient(135deg, var(--glass-bg), transparent);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--glass-border);
    position: relative;
}

.feature-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.1) 45%, transparent 50%);
    background-size: 200% 200%;
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--primary-color) 0%, #05101a 100%);
    text-align: center;
}

.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-control {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    background: rgba(255,255,255,0.1);
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    background: #000;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
    color: rgba(255,255,255,0.6);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h4 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-links h5 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--primary-color);
        flex-direction: column;
        padding: 2rem;
        text-align: center;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }
    
    .feature-container, 
    .feature-container:nth-child(even) {
        flex-direction: column;
        gap: 2rem;
    }
}