/* ============================================================
   AURISUS — contact.css (page-specific)
   ============================================================ */

/* Page Header */
.page-header {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: flex-end;
    padding-bottom: var(--space-6);
    overflow: hidden;
    isolation: isolate;
    border-bottom: 1px solid color-mix(in srgb, var(--silver) 15%, transparent);
}

.page-header-content {
    position: relative;
    z-index: 2;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--gutter);
    width: 100%;
}

.page-title {
    font-size: clamp(3.5rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1.0;
    letter-spacing: -0.02em;
    color: var(--ivory);
    margin: 0 0 var(--space-3);
}

.page-sub {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--silver);
    max-width: 48ch;
    margin: 0;
    line-height: 1.5;
}

/* --- Page-Specific Background: Network --- */
.inner-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.network-svg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150vw;
    height: 150vw;
    min-width: 800px;
    min-height: 800px;
    transform: translate(-50%, -50%);
    opacity: 0.6;
}

.node {
    animation: pulseNode 4s ease-in-out infinite alternate;
}
.node:nth-child(even) {
    animation-delay: 2s;
}

@keyframes pulseNode {
    0% { opacity: 0.3; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.5); }
}

/* Contact Layout */
.contact-section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-7);
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }
}

.contact-block .section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--silver);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.big-email {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-weight: 500;
    color: var(--ivory);
    margin-bottom: var(--space-3);
    word-break: break-all;
    transition: color 0.2s ease;
}

.big-email:hover {
    color: var(--silver);
}

.contact-block p {
    font-size: 1.125rem;
    color: var(--silver);
    max-width: 40ch;
    line-height: 1.6;
}

.social-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.social-list a {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    color: var(--ivory);
    display: inline-block;
    transition: color 0.2s ease, transform 0.2s ease;
}

.social-list a:hover {
    color: var(--silver);
    transform: translateX(4px);
}