/* -------------------------------------------------------------------
 *  HERO SECTION (Minimalist AI Centerpiece)
 * ------------------------------------------------------------------- */
.hero-minimal {
    padding: 100px 0 150px 0;
    text-align: center;
    background: var(--zi-bg-body);
    position: relative;
    overflow: hidden;
    min-height: 800px;
}

/* The Glowing Background Grid Effect */
.hero-minimal::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: repeating-linear-gradient(to right, var(--zi-soft-bg) 0, var(--zi-soft-bg) 1px, transparent 1px, transparent 100px),
                      repeating-linear-gradient(to bottom, var(--zi-soft-bg) 0, var(--zi-soft-bg) 1px, transparent 1px, transparent 100px);
    background-size: 100% 100px, 100px 100%;
    opacity: 0.4;
    z-index: 0;
}

/* The Radial Glow */
.hero-glow-layer {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    /* Uses the light primary color for the glow effect */
    background: radial-gradient(circle at center, var(--zi-primary-light) 0%, transparent 40%);
    opacity: 0.7;
    z-index: 1;
}

.hero-content-center {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
}

/* AI Symbol Ring */
.ai-symbol-ring {
    width: 250px;
    height: 250px;
    margin: 0 auto 60px auto;
    position: relative;
}

.ai-center-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--zi-dark);
    color: var(--zi-primary-light);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    box-shadow: 0 0 0 10px rgba(0,0,0,0.05);
}

.ai-ring-item {
    position: absolute;
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--zi-bg-card);
    border: 1px solid var(--zi-border);
    color: var(--zi-text-main);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--zi-shadow-sm);
    font-size: 1.2rem;
    opacity: 0.8;
    animation: rotateAround 8s linear infinite;
}

.ai-ring-item:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.ai-ring-item:nth-child(2) { top: 50%; right: 0; transform: translateY(-50%); animation-delay: -2s; }
.ai-ring-item:nth-child(3) { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: -4s; }
.ai-ring-item:nth-child(4) { top: 50%; left: 0; transform: translateY(-50%); animation-delay: -6s; }

.ai-ring-item i { animation: counterRotate 8s linear infinite; }

@keyframes rotateAround {
    0% { transform: rotate(0deg) translate(125px) rotate(0deg); opacity: 0.6; }
    50% { opacity: 1; }
    100% { transform: rotate(360deg) translate(125px) rotate(-360deg); opacity: 0.6; }
}
@keyframes counterRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

/* Main Titles */
.hero-title-main {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.05;
    letter-spacing: -2px;
    color: var(--zi-dark);
}

.hero-subtitle-main {
    font-size: 1.25rem;
    color: var(--zi-text-muted);
    max-width: 650px;
    margin: 0 auto 40px auto;
}

/* Call to Action Button */
.btn-ai-generate {
    padding: 16px 40px;
    background: var(--zi-primary-light);
    color: var(--zi-dark);
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 15px 30px rgba(134, 239, 172, 0.4);
}
.btn-ai-generate:hover {
    background: var(--zi-primary);
    color: var(--zi-bg-card);
    transform: translateY(-3px);
}

@media (max-width: 992px) {
    .hero-title-main { font-size: 3rem; }
    .hero-subtitle-main { font-size: 1rem; }
    .ai-symbol-ring { margin-bottom: 40px; }
    .hero-minimal { padding-top: 80px; padding-bottom: 80px; }
}

@media (max-width: 576px) {
    .ai-symbol-ring { width: 200px; height: 200px; }
    @keyframes rotateAround {
        0% { transform: rotate(0deg) translate(100px) rotate(0deg); }
        100% { transform: rotate(360deg) translate(100px) rotate(-360deg); }
    }
}