/* ============================================
   HERO / HOME
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 7rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.portfolio-hero::before {
    content: '';
    position: absolute;
    inset: 5rem auto auto 50%;
    width: min(44rem, 82vw);
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    transform: translateX(-5%);
    opacity: 0.72;
    pointer-events: none;
}

.hero-orbit {
    position: absolute;
    inset: auto 8vw 10vh auto;
    width: 12rem;
    aspect-ratio: 1;
    border: 1px solid color-mix(in srgb, var(--accent-secondary) 36%, transparent);
    border-radius: 50%;
    animation: slow-spin 18s linear infinite;
}

.hero-orbit::before,
.hero-orbit::after {
    content: '';
    position: absolute;
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 50%;
    background: var(--accent-secondary);
}

.hero-orbit::before {
    top: 10%;
    left: 16%;
}

.hero-orbit::after {
    right: 12%;
    bottom: 18%;
    background: var(--accent-tertiary);
}

@keyframes slow-spin {
    to { transform: rotate(360deg); }
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
    position: relative;
    z-index: 1;
}

.hero-copy {
    max-width: 760px;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    letter-spacing: 0;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    color: var(--text-primary);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    max-width: 680px;
    font-size: 1.12rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.hero-cta,
.profile-actions,
.project-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.hero-showcase {
    min-height: 34rem;
    position: relative;
    display: grid;
    place-items: center;
}

.profile-frame {
    width: min(25rem, 78vw);
    aspect-ratio: 0.82;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--accent-primary) 16%, transparent), transparent),
        var(--surface);
    box-shadow: var(--shadow-xl);
    transform: rotate(2deg);
}

.profile-frame-large {
    width: min(25rem, 100%);
}

.profile-portrait {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius-xl) - 0.35rem);
}

.profile-placeholder {
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    color: #fff;
    font-size: clamp(5rem, 12vw, 9rem);
    font-weight: 900;
}

.signal-card {
    position: absolute;
    width: min(15rem, 56vw);
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface-strong);
    box-shadow: var(--shadow-lg);
}

.signal-card-top {
    top: 3.5rem;
    left: 0;
}

.signal-card-bottom {
    right: 0;
    bottom: 3.6rem;
}

.signal-label {
    display: block;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
}

/* ============================================
   METRICS / SECTIONS
   ============================================ */

.metrics-strip {
    padding: var(--spacing-lg) 0;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.metric-item {
    min-height: 8rem;
    padding: var(--spacing-lg);
    display: grid;
    align-content: center;
    border-right: 1px solid var(--border-color);
}

.metric-item:last-child {
    border-right: 0;
}

.metric-value {
    color: var(--text-primary);
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 1;
    font-weight: 900;
}

.metric-label {
    color: var(--text-tertiary);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.55rem;
}

.metric-item small {
    display: block;
    color: var(--text-tertiary);
    margin-top: 0.4rem;
    font-weight: 700;
}

.os-section {
    padding-top: var(--spacing-2xl);
}

.os-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: var(--spacing-lg);
    align-items: stretch;
}

.os-terminal,
.os-mode-card,
.service-card,
.testimonial-card,
.case-study-card,
.project-preview-panel,
.explorer-toolbar {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.os-terminal {
    min-height: 18rem;
    padding: var(--spacing-lg);
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.os-terminal p {
    margin-bottom: 0.8rem;
}

.terminal-bar {
    display: flex;
    gap: 0.45rem;
    margin-bottom: var(--spacing-lg);
}

.terminal-bar span {
    width: 0.72rem;
    height: 0.72rem;
    border-radius: 50%;
    background: var(--accent-secondary);
}

.terminal-bar span:nth-child(2) {
    background: var(--accent-tertiary);
}

.terminal-bar span:nth-child(3) {
    background: var(--accent-primary);
}

.os-mode-card {
    padding: var(--spacing-lg);
    display: grid;
    align-content: end;
}

.os-mode-card h3 {
    font-size: clamp(2rem, 5vw, 4rem);
}

.work-section {
    position: relative;
}

.services-section {
    padding-top: var(--spacing-2xl);
}

.service-grid,
.testimonial-grid,
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-lg);
}

.service-card,
.testimonial-card,
.case-study-card {
    padding: var(--spacing-lg);
}

.service-mark,
.case-step {
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    border-radius: var(--radius-md);
    background: var(--text-primary);
    color: var(--bg-primary);
    font-size: 0.88rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
}

.testimonial-card {
    margin: 0;
}

.testimonial-card p {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 700;
}

.testimonial-card footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.testimonial-card footer span {
    display: block;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.collaboration-panel,
.empty-state {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--accent-primary) 10%, transparent), transparent 42%),
        var(--surface);
    box-shadow: var(--shadow-lg);
}

.collaboration-panel h2,
.empty-state h2 {
    max-width: 760px;
}

.collaboration-panel p,
.empty-state p {
    max-width: 650px;
    margin-bottom: 0;
}

.empty-state {
    display: block;
    text-align: center;
    max-width: 780px;
    margin: 0 auto;
}

.empty-state p {
    margin: 0 auto var(--spacing-lg);
}

/* ============================================
   PROJECTS
   ============================================ */

.project-mosaic {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: color-mix(in srgb, var(--accent-primary) 42%, var(--border-color));
}

.project-media-link {
    display: block;
    overflow: hidden;
}

.project-card-image {
    width: 100%;
    aspect-ratio: 1.35;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image {
    transform: scale(1.04);
}

.project-card-fallback {
    display: grid;
    place-items: center;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--accent-primary) 92%, #fff), var(--accent-secondary)),
        var(--accent-primary);
    color: #fff;
}

.project-card-fallback span {
    font-size: 3rem;
    font-weight: 900;
    text-transform: uppercase;
}

.project-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
}

.project-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.project-card-type {
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.project-card-title {
    font-size: 1.35rem;
    line-height: 1.15;
    margin-bottom: var(--spacing-xs);
}

.project-card-description {
    flex: 1;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.project-card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: var(--spacing-md);
}

.tech-tag {
    min-height: 1.75rem;
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.24rem 0.58rem;
    font-size: 0.78rem;
    font-weight: 800;
}

.tech-tag:hover {
    background: var(--accent-primary);
    color: #fff;
}

.project-card-links {
    display: flex;
    gap: var(--spacing-xs);
}

.project-link {
    flex: 1;
    min-height: 2.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 0.8rem;
    border-radius: var(--radius-md);
    font-weight: 800;
    border: 1px solid transparent;
}

.project-link-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.project-link-primary:hover {
    color: var(--bg-primary);
    background: var(--accent-primary);
}

.project-link-secondary {
    background: var(--surface-strong);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.project-link-secondary:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.project-filter-panel {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto;
    gap: var(--spacing-md);
    align-items: end;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.explorer-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.explorer-toolbar .eyebrow {
    margin: 0 0 0.2rem;
}

.explorer-controls {
    display: flex;
    gap: 0.45rem;
}

.explorer-view {
    min-height: 2.25rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--surface-strong);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 800;
}

.explorer-view.active,
.explorer-view:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

.project-explorer-shell {
    display: grid;
    grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.project-preview-panel {
    position: sticky;
    top: 6.5rem;
    padding: var(--spacing-lg);
}

.project-preview-panel h2 {
    font-size: clamp(1.5rem, 3vw, 2.4rem);
}

.project-card.is-previewed {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px var(--ring), var(--shadow-lg);
}

.project-archive-grid[data-view="compact"] {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.project-archive-grid[data-view="compact"] .project-card {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
}

.project-archive-grid[data-view="compact"] .project-card-image {
    height: 100%;
    aspect-ratio: auto;
}

.project-archive-grid[data-view="focus"] {
    grid-template-columns: 1fr;
}

.project-archive-grid[data-view="focus"] .project-card {
    display: grid;
    grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
}

.project-archive-grid[data-view="focus"] .project-card-image {
    height: 100%;
    min-height: 24rem;
    aspect-ratio: auto;
}

.search-field {
    display: grid;
    gap: 0.45rem;
    color: var(--text-tertiary);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.filter-actions {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    min-height: 2.35rem;
    padding: 0.45rem 0.78rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-secondary);
    background: var(--surface-strong);
    font-size: 0.88rem;
    font-weight: 800;
}

.filter-chip:hover,
.filter-chip.active {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}

.project-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    gap: var(--spacing-xl);
    align-items: start;
}

.project-lede {
    max-width: 760px;
    font-size: 1.05rem;
}

.project-summary {
    max-width: 760px;
    color: var(--text-primary);
    font-size: clamp(1.1rem, 2vw, 1.45rem);
    font-weight: 800;
}

.case-study-section {
    padding-top: var(--spacing-xl);
}

.case-study-card {
    min-height: 18rem;
}

.case-study-card h3 {
    font-size: 1.6rem;
}

.project-spec {
    padding: var(--spacing-lg);
}

.spec-block + .spec-block {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.back-link {
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-weight: 800;
}

.back-link::before {
    content: '<';
    margin-right: 0.45rem;
}

.gallery-hero-image {
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.gallery-hero-image img {
    width: 100%;
    max-height: 720px;
    object-fit: cover;
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.gallery-item {
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    aspect-ratio: 1.2;
    object-fit: cover;
}

.gallery-item figcaption {
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    font-weight: 700;
}

/* ============================================
   SKILLS / TIMELINE
   ============================================ */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: var(--spacing-md);
}

.skills-grid-inline {
    grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
}

.skill-badge {
    min-height: 9rem;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 0.35rem;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.skill-badge:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: color-mix(in srgb, var(--accent-primary) 44%, var(--border-color));
}

.skill-icon {
    width: 3rem;
    height: 3rem;
    object-fit: contain;
    margin-bottom: 0.35rem;
}

.skill-icon-generated {
    display: grid;
    place-items: center;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    font-weight: 900;
}

.skill-name {
    color: var(--text-primary);
    font-weight: 900;
}

.skill-level {
    color: var(--text-tertiary);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.skill-category-list {
    display: grid;
    gap: var(--spacing-lg);
}

.skill-category {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: var(--spacing-lg);
    align-items: start;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
}

.timeline {
    position: relative;
    max-width: 900px;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 0.45rem);
    top: 1.45rem;
    width: 0.9rem;
    height: 0.9rem;
    border-radius: 50%;
    background: var(--accent-secondary);
    box-shadow: 0 0 0 0.45rem var(--bg-primary);
}

.timeline-date {
    color: var(--accent-primary);
    font-size: 0.82rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    margin-bottom: 0.25rem;
}

.timeline-subtitle {
    color: var(--text-secondary);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    color: var(--text-secondary);
}

/* ============================================
   ABOUT / CONTACT
   ============================================ */

.about-grid,
.contact-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
}

.about-copy h1 {
    max-width: 780px;
}

.about-copy h2 {
    font-size: clamp(1.25rem, 2vw, 1.8rem);
    margin-bottom: var(--spacing-md);
}

.contact-layout {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    align-items: start;
}

.contact-form-panel {
    padding: clamp(1.25rem, 3vw, 2rem);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    color: var(--text-primary);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    min-height: 3rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--surface-strong);
    color: var(--text-primary);
    font: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px var(--ring);
}

.form-textarea {
    min-height: 11rem;
    resize: vertical;
}

.form-submit {
    width: 100%;
}

.contact-sidebar {
    display: grid;
    gap: var(--spacing-md);
}

.contact-panel {
    padding: var(--spacing-lg);
}

.contact-line {
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--border-color);
}

.contact-line span {
    display: block;
    color: var(--text-tertiary);
    font-size: 0.76rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
}

.contact-line a,
.contact-line p {
    color: var(--text-primary);
    font-weight: 800;
    overflow-wrap: anywhere;
    margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.4fr 0.7fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    font-size: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li + li {
    margin-top: 0.45rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-weight: 700;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.social-link {
    width: 2.6rem;
    height: 2.6rem;
    display: grid;
    place-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-primary);
}

.social-link:hover {
    transform: translateY(-3px);
    background: var(--accent-primary);
    color: #fff;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
}

.footer-bottom p {
    margin: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 980px) {
    .hero-grid,
    .about-grid,
    .contact-layout,
    .project-detail-grid {
        grid-template-columns: 1fr;
    }

    .hero-showcase {
        min-height: 30rem;
    }

    .project-mosaic,
    .project-gallery,
    .service-grid,
    .testimonial-grid,
    .case-study-grid,
    .os-grid,
    .project-explorer-shell {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .project-explorer-shell {
        grid-template-columns: 1fr;
    }

    .project-preview-panel {
        position: static;
    }

    .metric-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-item:nth-child(2) {
        border-right: 0;
    }

    .metric-item:nth-child(n + 3) {
        border-top: 1px solid var(--border-color);
    }

    .skill-category {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .hero {
        min-height: auto;
        padding-top: 7rem;
    }

    .hero-showcase {
        min-height: 25rem;
    }

    .signal-card {
        position: relative;
        inset: auto;
        width: 100%;
        margin-top: var(--spacing-sm);
    }

    .profile-frame {
        transform: none;
    }

    .project-mosaic,
    .project-gallery,
    .service-grid,
    .testimonial-grid,
    .case-study-grid,
    .os-grid,
    .metric-grid,
    .form-row {
        grid-template-columns: 1fr;
    }

    .project-archive-grid[data-view="compact"] .project-card,
    .project-archive-grid[data-view="focus"] .project-card {
        display: flex;
    }

    .project-archive-grid[data-view="focus"] .project-card-image {
        min-height: 0;
        aspect-ratio: 1.35;
    }

    .explorer-toolbar {
        display: grid;
    }

    .explorer-controls {
        overflow-x: auto;
        padding-bottom: 0.2rem;
    }

    .metric-item {
        border-right: 0;
        border-top: 1px solid var(--border-color);
    }

    .metric-item:first-child {
        border-top: 0;
    }

    .project-filter-panel {
        grid-template-columns: 1fr;
    }

    .collaboration-panel {
        display: block;
    }

    .collaboration-panel .btn {
        margin-top: var(--spacing-lg);
    }

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

    .timeline-item::before {
        left: calc(-1 * var(--spacing-lg) - 0.45rem);
    }
}