/* Landing page styles */
/* ===== Landing Page ===== */
#landing {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px 20px;
}

@media (prefers-reduced-motion: no-preference) {
    #landing { animation: fadeIn 0.5s ease; }
}

/* ===== Hero / Signature Element ===== */
.hero-signature {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
    padding: 40px 20px;
}

/* Mineral Assay Cross-Section */
.assay-cross-section {
    width: 220px;
    height: 220px;
    position: relative;
    margin-bottom: 30px;
}

@media (max-width: 480px) {
    .assay-cross-section {
        width: 160px;
        height: 160px;
    }
}

.assay-ring {
    position: absolute;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.assay-ring-outer {
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-text-dim);
}

.assay-ring-iron {
    width: calc(100% - 16px);
    height: calc(100% - 16px);
    background: var(--iron);
}

.assay-ring-titanium {
    width: calc(100% - 40px);
    height: calc(100% - 40px);
    background: var(--titanium);
}

.assay-ring-endium {
    width: calc(100% - 64px);
    height: calc(100% - 64px);
    background: var(--endium);
}

.assay-center {
    width: calc(100% - 88px);
    height: calc(100% - 88px);
    background: var(--void);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.assay-dot {
    width: 8px;
    height: 8px;
    background: var(--credit);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@media (prefers-reduced-motion: no-preference) {
    .assay-ring-iron { animation: assayPulse 3s ease-in-out infinite; }
    .assay-ring-titanium { animation: assayPulse 4s ease-in-out infinite; }
    .assay-ring-endium { animation: assayPulse 5s ease-in-out infinite; }
    .assay-dot { animation: assayPulse 2s ease-in-out infinite; }
}

@keyframes assayPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Hero Typography */
.hero-title {
    font-family: 'Unbounded', sans-serif;
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 12px;
    text-align: center;
}

.hero-subtitle {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-dim);
    text-align: center;
    letter-spacing: 0.05em;
}

.version {
    font-size: 0.75rem;
    color: var(--color-text-dim);
    margin-top: 8px;
    letter-spacing: 0.1em;
}

/* ===== Landing Sections ===== */
.landing-section {
    margin-bottom: 30px;
    padding: 25px;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border-dim);
    border-left: 3px solid;
}

.landing-section:nth-child(1 of .landing-section) { border-left-color: var(--iron); }
.landing-section:nth-child(2 of .landing-section) { border-left-color: var(--titanium); }
.landing-section:nth-child(3 of .landing-section) { border-left-color: var(--endium); }

.landing-section h2 {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
    margin-bottom: 15px;
}

.landing-section p {
    color: var(--color-text);
    opacity: 0.9;
    font-size: 0.9rem;
    line-height: 1.5;
}

.landing-section ul,
.landing-section ol {
    padding-left: 20px;
    color: var(--color-text);
    opacity: 0.9;
}

.landing-section li {
    margin-bottom: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.landing-section li::marker { color: var(--color-text-dim); }

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 30px;
    color: var(--color-text-dim);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    opacity: 0.6;
}