/* --- Global Styles & Variables --- */
:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --bg-main: #FAFAFA;
    --bg-card: #FFFFFF;
    --text-dark: #0F172A;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --accent-light: #EEF2FF;
    --radius: 12px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font);
    background-color: var(--bg-main);
    color: var(--text-dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Typography Helpers --- */
h1 {
    font-size: 2.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.badge {
    display: inline-block;
    background-color: var(--accent-light);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Header / Navigation --- */
.navbar {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-link {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-item {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-item:hover, .nav-item.active {
    color: var(--primary);
}

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

.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
}

/* --- Page Sections Router --- */
.content-wrapper {
    flex: 1;
}

.page-section {
    display: none;
    padding: 4rem 0;
    animation: fadeIn 0.3s ease-in-out;
}

.page-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Home Page --- */
.hero {
    text-align: center;
    max-width: 800px;
    padding: 3rem 1.5rem 5rem;
}

.cta-group {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}

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

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

.btn-secondary {
    background-color: var(--accent-light);
    color: var(--primary);
}

.btn-secondary:hover {
    background-color: #E0E7FF;
}

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

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

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

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

/* --- Coming Soon Page --- */
.page-header {
    text-align: center;
    max-width: 700px;
    margin-bottom: 3rem;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.app-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.app-status {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--accent-light);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.app-card h2 {
    margin-bottom: 0.75rem;
}

.app-card p {
    margin-bottom: 1.5rem;
    flex: 1;
}

/* --- Contact Page --- */
.contact-container {
    max-width: 600px;
}

.contact-form {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}

.form-success-msg {
    display: none;
    margin-top: 1rem;
    color: #166534;
    background-color: #DCFCE7;
    padding: 0.75rem;
    border-radius: 6px;
    text-align: center;
    font-size: 0.95rem;
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    h1 { font-size: 2.1rem; }
    
    .menu-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--bg-card);
        flex-direction: column;
        padding: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        gap: 1.25rem;
    }

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

    .cta-group {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}