/* Clean Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Cambria, "Hoefler Text", "Liberation Serif", Times, "Times New Roman", serif; background: #fff; color: #1a1a1a; line-height: 1.6; }

/* Sticky Nav */
.sticky-nav { background: #000; padding: 15px 0; position: sticky; top: 0; z-index: 100; }
.nav-container { max-width: 1000px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; }
.email-link { color: #fff; text-decoration: none; font-size: 14px; }
.linkedin-link { display: inline-flex; align-items: center; gap: 8px; }

/* Full-Screen Hero */
.hero {
    height: 100vh; /* Fills the screen */
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/hero.png') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}
.hero h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); text-transform: uppercase; margin: 10px 0; font-weight: 400; }
.hero .tag { text-transform: uppercase; font-size: 12px; letter-spacing: 3px; }

/* Layout Wrapper */
.wrapper { max-width: 1000px; margin: 60px auto; padding: 0 20px; }

/* Purchase Box (Stripe) with margins */
.purchase-card { background: #f8f9fa; padding: 25px; border-radius: 8px; margin-bottom: 60px; border: 1px solid #eee; }
.purchase-inner { display: flex; justify-content: space-between; align-items: center; }
.item-desc { display: flex; align-items: center; gap: 12px; }
.buy-btn { background: #6772e5; color: #fff; padding: 14px 28px; text-decoration: none; border-radius: 4px; font-weight: bold; transition: 0.3s; }
.buy-btn:hover { background: #5469d4; }
.buy-btn--disabled {
    background-color: #d1d5db;
    color: #6b7280;
    border-color: #d1d5db;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
}

/* About Section */
.split-section { display: flex; align-items: center; gap: 40px; margin-bottom: 80px; }
.profile-img { width: 150px; height: auto; border-radius: 4px; }

/* Grid Section */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-top: 30px; }
.grid-item img { width: 100%; border-radius: 4px; }
.grid-item h4 { margin-top: 10px; font-size: 14px; text-transform: uppercase; }

footer { text-align: center; padding: 40px 0; font-size: 13px; color: #888; }

/* Mobile View */
@media (max-width: 768px) {
    .split-section { flex-direction: column; text-align: center; }
    .purchase-inner { flex-direction: column; gap: 20px; text-align: center; }
}