/* ============================================
   Homepage-specific styles
   ============================================ */

/* No logo on homepage — right-align nav */
nav { justify-content: flex-end; }

/* Hero */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    padding-top: 80px;
}

.hero-content {
    display: grid; grid-template-columns: 1fr 1fr; gap: 5rem;
    align-items: center; position: relative; z-index: 2;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700;
    line-height: 1.1; margin-bottom: 1.5rem; letter-spacing: -0.03em; color: #fff;
}

.hero-text .highlight { color: #60a5fa; -webkit-text-fill-color: #60a5fa; }

.hero-text p {
    font-size: 1.25rem; color: rgba(255,255,255,0.65);
    margin-bottom: 2.5rem; line-height: 1.7;
}

/* Buttons */
.btn {
    padding: 1rem 2rem; border: none; border-radius: 50px; font-weight: 600;
    text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
    transition: var(--transition); cursor: pointer; font-size: 0.95rem;
    position: relative; overflow: hidden;
}

.btn::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before { left: 100%; }

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #60a5fa); color: white;
    box-shadow: 0 2px 8px rgba(96,165,250,0.2), 0 8px 32px rgba(96,165,250,0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(96,165,250,0.35), 0 12px 48px rgba(96,165,250,0.2);
}

.btn-secondary {
    background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.6);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px);
}

.cta-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Concentric rings */
.hero-visual {
    position: relative; display: flex; justify-content: center;
    align-items: center; height: 400px;
}

.rings-container {
    position: relative; width: 320px; height: 320px;
    display: flex; justify-content: center; align-items: center;
    animation: slow-rotate 75s linear infinite;
}

.rings-container::before, .rings-container::after {
    content: ''; position: absolute; z-index: 0;
}

.rings-container::before {
    top: 50%; left: 0; right: 0; height: 1px;
    background: rgba(255,255,255,0.08);
}

.rings-container::after {
    left: 50%; top: 0; bottom: 0; width: 1px;
    background: rgba(255,255,255,0.08);
}

.ring { position: absolute; border-radius: 50%; background: none; }
.ring-1 { width: 320px; height: 320px; border: 1.5px solid rgba(255,255,255,0.1); }
.ring-2 { width: 260px; height: 260px; border: 1.5px solid rgba(255,255,255,0.15); }
.ring-3 { width: 200px; height: 200px; border: 2px solid rgba(255,255,255,0.22); }
.ring-4 { width: 140px; height: 140px; border: 2px solid rgba(255,255,255,0.3); }
.ring-5 { width: 80px; height: 80px; border: 2px solid rgba(255,255,255,0.35); }
.ring-center { width: 12px; height: 12px; background: #60a5fa; border-radius: 50%; z-index: 1; }

@keyframes slow-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive — homepage */
@media (max-width: 768px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { height: 280px; }
    .rings-container { width: 240px; height: 240px; }
    .ring-1 { width: 240px; height: 240px; }
    .ring-2 { width: 195px; height: 195px; }
    .ring-3 { width: 150px; height: 150px; }
    .ring-4 { width: 105px; height: 105px; }
    .ring-5 { width: 60px; height: 60px; }
    .cta-buttons { justify-content: center; }
}
