/* ========================================
   ABOUT PAGE STYLES
   Springs AI Solutions
   ======================================== */

body[data-page="about"] {
    background: var(--color-bg-void);
}

/* Page Hero */
.page-hero {
    padding: calc(var(--nav-height) + var(--spacing-16)) var(--spacing-6) var(--spacing-16);
    text-align: center;
    position: relative;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.page-hero-content {
    max-width: 800px;
    margin: 0 auto;
    animation: page-appear 0.6s ease-out;
}

@keyframes page-appear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* About Sections */
.about-section {
    padding: var(--spacing-20) var(--spacing-6);
}

.section-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
}

.section-container.reverse {
    direction: rtl;
}

.section-container.reverse > * {
    direction: ltr;
}

.section-content {
    max-width: 500px;
}

.section-text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--spacing-4);
}

/* Code Block Visual */
.code-block {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-header {
    display: flex;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

.code-dot:nth-child(1) { background: #ff5f56; }
.code-dot:nth-child(2) { background: #ffbd2e; }
.code-dot:nth-child(3) { background: #27c93f; }

.code-content {
    padding: var(--spacing-6);
    margin: 0;
    overflow-x: auto;
}

.code-content code {
    font-family: var(--font-terminal);
    font-size: var(--text-sm);
    color: var(--color-primary-400);
    line-height: var(--leading-relaxed);
    background: none;
    padding: 0;
    border: none;
}

/* Timeline Visual */
.timeline {
    position: relative;
    padding-left: var(--spacing-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-8);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-8) + 2px);
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--color-bg-surface);
    border: 2px solid var(--color-primary-600);
    border-radius: 50%;
}

.timeline-item.active .timeline-marker {
    background: var(--color-primary-400);
    border-color: var(--color-primary-400);
    box-shadow: var(--glow-subtle);
}

.timeline-content {
    padding-left: var(--spacing-4);
}

.timeline-date {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-primary-500);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    display: block;
    margin-bottom: var(--spacing-2);
}

.timeline-content p {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* Beliefs Section */
.beliefs-section {
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.beliefs-section .section-container {
    display: block;
}

.beliefs-section .section-title.centered {
    margin-bottom: var(--spacing-10);
}

/* Tech Section */
.tech-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-6) 0 0;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) 0;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.tech-icon {
    font-size: var(--text-lg);
    width: 30px;
    text-align: center;
}

/* Tech Visual */
.tech-visual {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.tech-node {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-text-secondary);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
}

.tech-node.central {
    width: 80px;
    height: 80px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--text-lg);
    color: var(--color-primary-400);
    border-color: var(--color-primary-500);
    box-shadow: var(--glow-subtle);
}

.tech-node.orbit {
    width: 50px;
    height: 50px;
    animation: orbit-pulse 3s ease-in-out infinite;
}

.tech-node.n1 { top: 10%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.tech-node.n2 { top: 50%; right: 10%; transform: translateY(-50%); animation-delay: 0.5s; }
.tech-node.n3 { bottom: 10%; left: 50%; transform: translateX(-50%); animation-delay: 1s; }
.tech-node.n4 { top: 50%; left: 10%; transform: translateY(-50%); animation-delay: 1.5s; }

@keyframes orbit-pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
        border-color: var(--color-primary-600);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .section-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }

    .section-container.reverse {
        direction: ltr;
    }

    .section-content {
        max-width: none;
    }

    .section-visual {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding-top: calc(var(--nav-height) + var(--spacing-10));
    }

    .tech-visual {
        width: 250px;
        height: 250px;
    }

    .tech-node.central {
        width: 60px;
        height: 60px;
        font-size: var(--text-base);
    }

    .tech-node.orbit {
        width: 40px;
        height: 40px;
        font-size: 0.6rem;
    }
}