/* --- CSS RESET & DEFAULTS --- */
:root {
    --blue-600: #2563EB;
    --blue-700: #1D4ED8;
    --slate-900: #0F172A;
    --slate-700: #334155;
    --slate-200: #E2E8F0;
    --slate-100: #F1F5F9;
    --white: #FFFFFF;
    --green-500: #22C55E;
    --hero-bg: #0B1220;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: var(--slate-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

h1, h2, h3, h4 {
    color: var(--slate-900);
    font-weight: 700;
}

/* --- HEADER & NAVIGATION --- */
header {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--slate-900);
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: var(--slate-700);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--blue-600);
}

/* --- HERO SECTION --- */
#hero {
    background-image: linear-gradient(rgba(11, 18, 32, 0.6), rgba(11, 18, 32, 0.6)), url('hero-image.png');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 160px 20px;
}

.hero-content h1 {
    font-size: 3.2em;
    margin-bottom: 0.5em;
    color: var(--white);
    line-height: 1.1;
}

.hero-content .sub-headline {
    font-size: 1.2em;
    margin-bottom: 1.5em;
    color: var(--slate-200);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 1rem;
}

.cta-button {
    display: inline-block;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    cursor: pointer;
    border: none;
}

.primary-cta {
    background-color: var(--blue-600);
    color: var(--white);
}

.primary-cta:hover {
    background-color: var(--blue-700);
    transform: translateY(-2px);
}

.secondary-cta {
    background-color: var(--blue-600);
    color: var(--white);
}

.secondary-cta:hover {
    background-color: var(--blue-700);
    transform: translateY(-2px);
}

.trust-signals {
    font-size: 0.9em;
    color: var(--slate-200);
}

/* --- CONTENT SECTIONS --- */
.content-section {
    padding: 80px 20px;
    text-align: center;
}

.content-section h2 {
    font-size: 2.5em;
    margin-bottom: 1rem;
}

.content-section > .container > p {
    max-width: 700px;
    margin: 0 auto 40px auto;
    font-size: 1.1em;
}

.alt-bg {
    background-color: var(--slate-100);
}

/* --- DETAILS SECTION --- */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    text-align: left;
}

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

.feature-icon {
    width: 40px;
    height: 40px;
    color: var(--blue-600);
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.3em;
    margin-bottom: 0.5rem;
}

/* --- PRICING SECTION --- */
.pricing-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.product-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    text-align: left;
}

.product-card h3 {
    font-size: 1.5em;
    margin-bottom: 0.5rem;
}

.product-card .price {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 1rem;
}

.product-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.product-card li {
    padding: 5px 0;
    color: var(--slate-700);
}

.secure-payment-info {
    font-size: 0.9em;
    color: var(--slate-700);
    margin-top: 20px;
}

/* --- FAQ SECTION --- */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    text-align: left;
    max-width: 900px;
    margin: 40px auto 0 auto;
}

.faq-item h3 {
    font-size: 1.2em;
    margin-bottom: 0.5rem;
}

/* Center the last FAQ item and span two columns on larger screens */
.faq-grid .faq-item:last-child {
    grid-column: 1 / -1;
    text-align: center;
}

/* --- FOOTER --- */
footer {
    background-color: var(--hero-bg);
    color: var(--slate-200);
    text-align: center;
    padding: 40px 20px;
    font-size: 0.9em;
}

footer p {
    margin: 5px 0;
}

footer a {
    color: var(--slate-100);
    text-decoration: none;
}

footer a:hover {
    color: var(--white);
    text-decoration: underline;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .logo {
        text-align: center;
        width: 100%;
    }
    .hero-content h1 {
        font-size: 2.5em;
    }
    .cta-buttons {
        flex-direction: column;
    }
    .pricing-cards, .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* --- LOADING MODAL --- */
.loading-modal {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
}
.loading-modal[hidden] {
    display: none;
}
.loading-content {
    width: min(90vw, 320px);
    background: var(--white);
    color: var(--slate-900);
    border-radius: 12px;
    padding: 24px 28px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
}
.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    border: 4px solid var(--slate-100);
    border-top-color: #635bff; /* Stripe purple */
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 
    to { transform: rotate(360deg); } 
}
body.busy { 
    overflow: hidden; 
}