/* --- Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    /* Rich Navy Blue Ombre with a Tech Feel (Radial Gradient) */
    background: radial-gradient(circle at center, #1a3a6c 0%, #020c1b 100%);
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* --- Navigation --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 60px;
}

/* Logo styles for home page (empty placeholder) */
.logo {
    width: 150px;
}

/* Logo styles for about page (clickable brand) */
.logo.brand {
    width: auto;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #4da6ff;
    text-shadow: 0 0 15px rgba(77, 166, 255, 0.4);
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #a0a0a0;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: #ffffff;
}

/* --- Hero Section (Home Page) --- */
.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-bottom: 80px;
}

/* New Brand Label above the main text */
.brand-label {
    color: #4da6ff; /* Electric Blue */
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px; /* Space between label and headline */
    text-shadow: 0 0 15px rgba(77, 166, 255, 0.4);
}

h1 {
    font-size: 5.5rem;
    line-height: 1;
    font-weight: 700;
    letter-spacing: -2px;
    max-width: 900px;
    margin-bottom: 20px;
}

.tech-accent {
    background: linear-gradient(to right, #4da6ff, #0066cc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    color: #4da6ff; /* Fallback */
}

.subtitle {
    font-size: 1.1rem;
    color: #b0b0b0;
    margin-bottom: 50px;
    font-weight: 400;
}

/* --- The Interactive Call Buttons Area --- */
.call-wrapper {
    position: relative;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.call-btn {
    position: relative;
    background-color: #ffffff;
    color: #020c1b;
    border: none;
    border-radius: 50px;
    padding: 18px 0;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    overflow: hidden;
    width: 220px;
    height: 60px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 0 20px rgba(77, 166, 255, 0.2);
}

.call-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(77, 166, 255, 0.4);
    background-color: #f0f0f0;
}

.btn-text, .btn-number {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.btn-number {
    transform: translateY(100%);
    opacity: 0;
    font-family: monospace;
    font-size: 16px;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.call-btn:hover .btn-text {
    transform: translateY(-100%);
    opacity: 0;
}

.call-btn:hover .btn-number {
    transform: translateY(0);
    opacity: 1;
}

/* --- About Page Content --- */
.content-container {
    max-width: 800px;
    margin: 60px auto;
    padding: 0 40px;
    animation: fadeIn 0.8s ease-out;
}

.content-container h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 30px;
}

.content-container p {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #d0d0d0;
    margin-bottom: 24px;
}

.mission-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    margin-top: 40px;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #ffffff;
}

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

/* --- Responsive Design --- */
@media (max-width: 768px) {
    nav { padding: 20px; }
    .nav-links { display: none; }
    h1 { font-size: 3rem; padding: 0 20px; }
    .call-wrapper { flex-direction: column; align-items: center; }
    .content-container { margin: 20px auto; }
    .content-container h1 { font-size: 2.5rem; }
}