/* ========================================
   LAYOUT.CSS - Grid, Sections, Navigation
   ======================================== */

/* ========== HERO SECTION ========== */
.hero-output {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.ascii-logo {
    font-size: 0.55rem;
    line-height: 1.15;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    white-space: pre;
    transition: color 0.5s ease;
    opacity: 0.9;
}

.hero-name {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    font-family: var(--font-sans);
    letter-spacing: -0.03em;
}

.hero-title {
    font-size: 1rem;
    color: var(--color-primary);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    font-weight: 400;
}

[data-theme="glassmorphic"] .hero-title {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    font-style: italic;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-success);
    font-family: var(--font-sans);
    line-height: 1;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 0.5rem;
}

.scroll-hint {
    margin-top: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInUp 1s ease 2s both;
}

.scroll-hint span {
    font-size: 0.65rem;
    color: var(--color-text-dim);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--color-primary-dim);
    border-radius: 10px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scrollBounce 1.5s ease-in-out infinite;
}

/* ========== ABOUT SECTION ========== */
.about-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-text h2 {
    font-size: 1.4rem;
    color: var(--color-text);
    margin-bottom: 1.25rem;
    font-family: var(--font-sans);
    font-weight: 600;
    line-height: 1.4;
}

.about-text p {
    color: var(--color-text-muted);
    line-height: 1.9;
    font-size: 0.9rem;
}

/* About System Info */
.about-system-info {
    margin-top: 2.5rem;
    padding: 1.25rem;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

[data-theme="glassmorphic"] .about-system-info {
    border-radius: var(--radius-xl);
}

.system-info-header {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px dashed var(--border-color);
}

.info-prompt {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.system-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.info-block {
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.info-block:hover {
    background: var(--color-surface-hover);
    transform: translateX(4px);
}

[data-theme="glassmorphic"] .info-block,
[data-theme="minimal"] .info-block {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
}

.info-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-primary-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.35rem;
}

[data-theme="glassmorphic"] .info-label {
    opacity: 0.6;
}

.info-value {
    font-size: 0.9rem;
    color: var(--color-text);
}

/* About Interests */
.about-interests {
    margin-top: var(--spacing-xl);
    padding: 1.25rem;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

[data-theme="glassmorphic"] .about-interests {
    border-radius: var(--radius-xl);
}

.interests-header {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px dashed var(--border-color);
}

.interests-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.interest-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.interest-item:hover {
    background: var(--color-surface-hover);
    transform: translateY(-2px);
}

[data-theme="glassmorphic"] .interest-item,
[data-theme="minimal"] .interest-item {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
}

.interest-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.interest-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.interest-text strong {
    font-size: 0.9rem;
    color: var(--color-text);
    font-weight: 500;
}

.interest-text span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Terminal Quote */
.terminal-quote {
    margin: var(--spacing-xl) 0 0 0;
    padding: 1.25rem 1.5rem;
    background: var(--color-surface);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.quote-symbol {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
    line-height: 1.4;
    flex-shrink: 0;
}

.quote-content {
    flex: 1;
}

.quote-text {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
    margin: 0 0 0.5rem 0;
    font-style: italic;
}

.quote-author {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-style: normal;
    display: block;
    text-align: right;
}

/* ========== EXPERIENCE SECTION ========== */
.experience-tree {
    font-size: 0.85rem;
}

.tree-node {
    margin-bottom: var(--spacing-xl);
    padding-left: var(--spacing-xl);
    border-left: 1px dashed var(--color-primary-dim);
    position: relative;
    transition: all 0.3s ease;
}

.tree-node:hover {
    border-left-color: var(--color-primary);
}

[data-theme="glassmorphic"] .tree-node,
[data-theme="minimal"] .tree-node {
    border-left: none;
    padding: 1.5rem;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    margin-left: 0;
}

[data-theme="glassmorphic"] .tree-node:hover,
[data-theme="minimal"] .tree-node:hover {
    border-color: var(--color-primary-dim);
    background: var(--color-surface-hover);
}

.tree-node::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 10px;
    height: 10px;
    background: var(--color-bg);
    border: 2px solid var(--color-primary-dim);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.tree-node:hover::before {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

[data-theme="glassmorphic"] .tree-node::before,
[data-theme="minimal"] .tree-node::before {
    display: none;
}

.node-date {
    color: var(--color-success);
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.node-title {
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.node-company {
    color: var(--color-secondary);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.node-highlights {
    list-style: none;
    margin-bottom: 1rem;
}

.node-highlights li {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    padding: 0.35rem 0;
    padding-left: 1.25rem;
    position: relative;
    line-height: 1.5;
}

.node-highlights li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tool-tag {
    font-size: 0.65rem;
    padding: 0.25rem 0.6rem;
    background: var(--color-surface-hover);
    border: 1px solid var(--color-primary-dim);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    transition: all 0.3s ease;
}

.tool-tag:hover {
    background: var(--color-primary-glow);
    border-color: var(--color-primary);
}

/* ========== SERVICES GRID ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* ========== SKILLS TREE ========== */
.skills-tree {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

[data-theme="glassmorphic"] .skills-tree,
[data-theme="minimal"] .skills-tree {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
}

.tree-root {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tree-root::before {
    content: '📁';
    font-size: 1rem;
}

/* Tree Category */
.tree-category {
    margin-bottom: 0.5rem;
}

.tree-category:last-child {
    margin-bottom: 0;
}

.tree-category-header {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tree-category-header:hover {
    color: var(--color-text);
}

.tree-branch {
    color: var(--color-primary-dim);
    margin-right: 0.5rem;
    user-select: none;
}

.tree-folder {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tree-folder-icon {
    color: var(--color-primary);
    font-size: 0.9rem;
}

.tree-folder-name {
    font-weight: 500;
}

.tree-folder-count {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-left: 0.5rem;
}

/* Tree Items */
.tree-items {
    padding-left: 1.5rem;
    border-left: 1px dashed var(--border-color);
    margin-left: 0.5rem;
}

.tree-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 0;
    position: relative;
    transition: all 0.2s ease;
}

.tree-item:hover {
    background: var(--color-surface-hover);
    margin-left: -0.5rem;
    padding-left: 0.5rem;
    border-radius: var(--radius-sm);
}

.tree-item::before {
    content: '\251C\2500\2500';
    color: var(--color-primary-dim);
    margin-right: 0.5rem;
    font-size: 0.8rem;
}

.tree-item:last-child::before {
    content: '\2514\2500\2500';
}

.tree-item-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.tree-item-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.7);
    transition: all 0.3s ease;
}

.tree-item:hover .tree-item-icon {
    filter: none;
    transform: scale(1.1);
}

[data-theme="glassmorphic"] .tree-item-icon,
[data-theme="minimal"] .tree-item-icon {
    filter: none;
    opacity: 0.8;
}

[data-theme="glassmorphic"] .tree-item:hover .tree-item-icon,
[data-theme="minimal"] .tree-item:hover .tree-item-icon {
    opacity: 1;
}

.tree-item-name {
    color: var(--color-text);
    font-weight: 400;
    min-width: 140px;
}

/* Skill Level Indicator */
.tree-item-level {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: auto;
    padding-right: 1rem;
}

.level-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-surface-hover);
    transition: all 0.3s ease;
}

.level-dot.filled {
    background: var(--color-primary);
    box-shadow: 0 0 4px var(--color-primary);
}

/* Tooltip */
.tree-item-tooltip {
    position: relative;
}

.tooltip-trigger {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    cursor: help;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
}

.tooltip-trigger:hover {
    background: var(--color-surface-hover);
    color: var(--color-primary);
}

.tooltip-content {
    position: absolute;
    bottom: calc(100% + 8px);
    right: 0;
    width: 280px;
    padding: 1rem;
    background: var(--color-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--color-text-muted);
    opacity: 0;
    visibility: hidden;
    transform: translateY(5px);
    transition: all 0.2s ease;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.tooltip-content::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 20px;
    width: 10px;
    height: 10px;
    background: var(--color-bg);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transform: rotate(45deg);
}

.tree-item-tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tooltip-title {
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tooltip-title img {
    width: 18px;
    height: 18px;
}

.tooltip-desc {
    margin-bottom: 0.75rem;
}

.tooltip-meta {
    display: flex;
    gap: 1rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--border-color);
    font-size: 0.7rem;
}

.tooltip-meta span {
    color: var(--color-primary);
}

/* Skills Summary Footer */
.skills-summary {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    background: var(--panel-bg);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.skills-summary code {
    color: var(--color-primary);
    background: var(--color-surface-hover);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
}

/* ========== PORTFOLIO GRID ========== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
}