*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-tight);
    letter-spacing: -0.025em;
    color: var(--color-text);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.container {
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

main {
    padding-top: 100px;
}

section {
    padding: var(--space-20) 0;
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(250, 250, 250, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: var(--z-sticky);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5) var(--container-padding);
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: var(--space-10);
    list-style: none;
}

.nav-links a {
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    position: relative;
    padding-bottom: 2px;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-links a:hover::after {
    width: 100%;
}

.hero-section {
    padding: var(--space-16) 0 var(--space-12);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 70%;
    height: 120%;
    background: radial-gradient(ellipse at 55% 50%, rgba(55, 48, 163, 0.22) 0%, rgba(55, 48, 163, 0.10) 30%, rgba(55, 48, 163, 0.04) 50%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-section .container {
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-section .hero-grain {
    position: absolute;
    inset: 0;
    opacity: 0.08;
    pointer-events: none;
    z-index: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: var(--color-accent);
    opacity: 0.4;
    z-index: 1;
}

.hero-content {
    max-width: 620px;
    text-align: left;
    margin-right: auto;
    margin-left: 0;
}

.hero-title {
    font-size: var(--text-hero);
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-8);
    letter-spacing: -0.04em;
    line-height: 1;
}

.hero-name {
    color: var(--color-accent);
}

.hero-accent {
    color: var(--color-accent);
    font-weight: var(--weight-semibold);
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
    max-width: 600px;
}

.hero-description:last-of-type {
    margin-bottom: var(--space-8);
}

.cta-group {
    display: flex;
    gap: var(--space-5);
    align-items: center;
    margin-top: var(--space-12);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: 0.9625rem;
    font-weight: var(--weight-medium);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-arrow {
    width: 16px;
    height: 16px;
}

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(55, 48, 163, 0.25);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    padding: var(--space-4) var(--space-8);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    position: relative;
    transition: all var(--transition-fast);
}

.btn-ghost::after {
    content: '';
    position: absolute;
    bottom: var(--space-3);
    left: 0;
    width: 0;
    height: 0;
    background: var(--color-text);
    transition: width var(--transition-base);
}

.btn-ghost:hover {
    color: var(--color-text);
    border-color: var(--color-text-secondary);
}

.btn-ghost:hover::after {
    width: 0;
}

.section-header {
    margin-bottom: var(--space-10);
}

.section-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    letter-spacing: -0.03em;
}

.companies-section {
    padding: var(--space-4) 0 var(--space-10);
    background: var(--color-bg);
}

.companies-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 18px;
}

.companies-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.company-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.company-item:hover {
    opacity: 0.7;
}

.company-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.company-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
}

.highlights-section {
    padding: var(--space-16) 0 var(--space-20);
    background: var(--color-bg);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.highlight-item {
    padding: var(--space-10) var(--space-8);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.highlight-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.highlight-item:hover::before {
    opacity: 1;
}

.highlight-icon {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.highlight-value {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
    letter-spacing: -0.03em;
}

.highlight-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
}


.work-section {
    padding: var(--space-20) 0;
    background: var(--color-bg);
}

.work-grid {
    display: grid;
    gap: var(--space-8);
    min-width: 0;
}

.work-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    min-width: 0;
}

.work-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.work-card-header {
    margin-bottom: var(--space-5);
}

.work-card-title {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.work-card-title-link {
    color: inherit;
    text-decoration: none;
}

.work-card-title-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.work-card-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.work-card-body {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.work-card-tags {
    display: flex;
    gap: 8px;
    margin-top: var(--space-3);
    margin-bottom: var(--space-2);
}

.work-card-tag {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: var(--weight-medium);
    color: var(--color-text-tertiary);
    background: rgba(0, 0, 0, 0.04);
    padding: 4px 12px;
    border-radius: 100px;
    letter-spacing: 0.01em;
    line-height: 1.4;
}

.work-card-outcome {
    font-size: var(--text-base);
    color: var(--color-text);
    font-weight: var(--weight-medium);
    margin-bottom: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--color-accent-subtle);
    border-radius: var(--radius-md);
    display: block;
    border-left: 3px solid var(--color-accent);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.work-card-details {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 500ms ease, opacity 400ms ease, margin 400ms ease;
    margin-top: 0;
}

.work-card.expanded .work-card-details {
    max-height: 2000px;
    opacity: 1;
    margin-top: var(--space-5);
}

.work-card-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-4);
    padding: var(--space-2) 0;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-accent);
    background: none;
    border: none;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.work-card-toggle:hover {
    opacity: 0.7;
}

.work-card-toggle::after {
    content: '↓';
    display: inline-block;
    transition: transform 300ms ease;
}

.work-card.expanded .work-card-toggle::after {
    transform: rotate(180deg);
}

.proof-media-grid {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: var(--space-6);
    margin-top: var(--space-5);
}

.proof-media-col {
    display: flex;
    flex-direction: column;
}

.proof-media-col:first-child {
    width: 65%;
}

.proof-media-col:last-child {
    width: 35%;
}

.proof-media-heading {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.proof-media-container {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #1a1a1a;
    flex: 1;
}

.proof-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.proof-images-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 10px;
    width: 100%;
    flex: 1;
}

.proof-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.handbook-artifact {
    margin-top: var(--space-5);
    margin-bottom: var(--space-5);
}

.handbook-artifact-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: var(--weight-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-3);
}

.handbook-artifact-link {
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.handbook-artifact-link:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-hover);
}

.handbook-artifact-img {
    display: block;
    width: 100%;
    height: auto;
}

.work-card-actions {
    display: flex;
    gap: var(--space-5);
    align-items: center;
    flex-wrap: wrap;
}

.view-btn {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    background: none;
    border: 1px solid var(--color-border-hover);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-subtle);
}

.work-link {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    transition: all var(--transition-fast);
}

.work-link:hover {
    color: var(--color-accent-light);
    transform: translateX(3px);
}

.work-card--featured {
    background: var(--color-bg-elevated);
}

.work-images {
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-8);
    margin-bottom: var(--space-5);
}

.work-images.visible {
    display: grid;
}

.work-image {
    width: 100%;
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: var(--shadow-subtle);
}

.work-image:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-medium);
}

.media-showcase {
    margin-top: var(--space-12);
    padding-top: var(--space-10);
    border-top: 1px solid var(--color-border);
}

.media-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--space-6);
    text-align: center;
}

.media-video-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-16);
}

.media-video {
    max-width: 100%;
    width: 680px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.media-video-fallback {
    max-width: 100%;
    width: 680px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.social-proof {
    margin-top: var(--space-8);
}

.social-proof-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--space-6);
}

.social-proof-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    margin: 0 calc(-1 * var(--space-12));
    padding: 0 var(--space-12);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.social-proof-scroll::-webkit-scrollbar {
    display: none;
}

.social-proof-track {
    display: flex;
    gap: var(--space-5);
    padding-bottom: var(--space-4);
}

.social-proof-card {
    flex-shrink: 0;
    width: 280px;
    height: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    background: var(--color-bg-elevated);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.social-proof-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
}

.social-proof-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.oxppl-evidence {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 56px;
    margin-top: var(--space-5);
    align-items: start;
}

.oxppl-evidence-left {
    min-width: 0;
}

.oxppl-evidence-right {
    min-width: 0;
}

.oxppl-evidence-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.launch-tweet {
    max-height: 340px;
    overflow: hidden;
}

.launch-tweet blockquote.twitter-tweet,
.launch-tweet .twitter-tweet-rendered {
    margin-bottom: 0 !important;
}

.oxppl-response-stack {
    display: inline-flex;
    flex-direction: column;
    gap: 6px;
}

.oxppl-evidence-label-right {
    margin-bottom: var(--space-3);
}

.oxppl-response-img {
    width: auto;
    max-height: 300px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    display: block;
}

.carousel-container {
    position: relative;
    margin-top: var(--space-8);
}

.carousel-viewport {
    overflow: hidden;
}

.carousel-track {
    display: flex;
    gap: 20px;
    transition: transform 0.45s ease;
}

.carousel-card {
    flex: 0 0 calc((100% - 40px) / 3);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.4s ease, opacity 0.4s ease, box-shadow 0.4s ease;
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transform: scale(0.89);
    opacity: 0.6;
    transform-origin: center center;
}

.carousel-card.active {
    transform: scale(1);
    opacity: 1;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--color-border-hover);
}

.carousel-card:hover {
    opacity: 0.8;
}

.carousel-card.active:hover {
    opacity: 1;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.carousel-card-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.carousel-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.carousel-card-content {
    padding: var(--space-4) var(--space-5);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.carousel-btn:hover {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.article-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
    line-height: 1.4;
}

.capabilities-section {
    padding: var(--space-16) 0;
    background: var(--color-bg-indigo);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.capability-category {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-subtle);
}

.capability-category h3 {
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.capability-category ul {
    list-style: none;
}

.capability-category li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    padding-left: var(--space-4);
    position: relative;
    transition: color var(--transition-fast);
}

.capability-category li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-accent);
}

.capability-category li:hover {
    color: var(--color-text);
}

.experience-section {
    padding: var(--space-20) 0;
    background: var(--color-bg-indigo);
}

.timeline {
    max-width: var(--content-max);
}

.timeline-item {
    position: relative;
    padding-left: var(--space-10);
    padding-bottom: var(--space-10);
    border-left: 2px solid var(--color-border);
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-bg);
}

.timeline-company {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.timeline-meta {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.timeline-role {
    color: var(--color-accent);
    font-weight: var(--weight-medium);
}

.timeline-achievements {
    list-style: none;
}

.timeline-achievements li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    padding: var(--space-1) 0;
    padding-left: var(--space-5);
    position: relative;
    line-height: 1.45;
}

.timeline-achievements li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

.education-section {
    padding: var(--space-16) 0;
    background: var(--color-bg);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.education-item {
    padding: var(--space-6);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.education-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
}

.education-year {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-3);
}

.education-degree {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-2);
}

.education-institution {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.contact-section {
    padding: var(--space-24) 0;
    text-align: center;
    background: var(--color-bg-indigo);
}

.contact-content {
    max-width: 500px;
    margin: 0 auto;
}

.contact-title {
    font-size: var(--text-5xl);
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-8);
    letter-spacing: -0.03em;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--space-10);
}

.contact-link {
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    position: relative;
    padding-bottom: 3px;
    transition: color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.contact-icon {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

.contact-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.contact-link:hover {
    color: var(--color-accent);
}

.contact-link:hover::after {
    width: 100%;
}

.email-copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    position: relative;
}

.email-copied-tooltip {
    position: absolute;
    top: -32px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text);
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: var(--weight-medium);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
}

.email-copied-tooltip.show {
    opacity: 1;
}

.contact-divider {
    color: var(--color-text-muted);
}

footer {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-subtle);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
    z-index: 10;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 250ms ease;
}

.nav-hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.active span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 900px) {
    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .education-grid {
        grid-template-columns: 1fr;
    }

    .carousel-card {
        flex: 0 0 calc((100% - 20px) / 2);
    }
}

@media (max-width: 768px) {
    :root {
        --text-hero: 2.75rem;
        --text-5xl: 2.25rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
        --container-padding: 20px;
    }

    section {
        padding: var(--space-14) 0;
    }

    .nav-hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 61px;
        left: 0;
        right: 0;
        background: rgba(250, 250, 250, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: var(--space-6) var(--container-padding);
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-soft);
        z-index: var(--z-sticky);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li a {
        display: block;
        padding: var(--space-3) 0;
        font-size: var(--text-lg);
    }

    .hero-section {
        padding: var(--space-10) 0 var(--space-6);
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-title {
        margin-bottom: var(--space-6);
    }

    .hero-description {
        font-size: var(--text-lg);
        margin-bottom: var(--space-4);
    }

    .hero-description:last-of-type {
        margin-bottom: var(--space-6);
    }

    .cta-group {
        flex-wrap: wrap;
        gap: var(--space-3);
    }

    .btn {
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-base);
    }

    .btn-ghost {
        padding: var(--space-3) var(--space-6);
    }

    .companies-section {
        padding: var(--space-4) 0 var(--space-8);
    }

    .companies-row {
        gap: var(--space-8);
        flex-wrap: wrap;
        justify-content: center;
    }

    .company-logo {
        width: 36px;
        height: 36px;
    }

    .highlights-section {
        padding: var(--space-14) 0;
    }

    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .highlight-item {
        padding: var(--space-5);
    }

    .work-section {
        padding: var(--space-14) 0;
    }

    .work-card {
        padding: var(--space-6);
    }

    .work-card:hover {
        transform: none;
    }

    .work-card-outcome {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
    }

    .work-images {
        grid-template-columns: 1fr;
    }

    .proof-media-grid {
        flex-direction: column;
    }

    .proof-media-col:first-child,
    .proof-media-col:last-child {
        width: 100%;
    }

    .oxppl-evidence {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .social-proof-scroll {
        margin: 0 calc(-1 * var(--container-padding));
        padding: 0 var(--container-padding);
    }

    .social-proof-card {
        width: 240px;
        height: 280px;
    }

    .carousel-card {
        flex: 0 0 85%;
    }

    .carousel-card-content {
        padding: var(--space-3) var(--space-4);
    }

    .capabilities-section {
        padding: var(--space-14) 0;
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .experience-section {
        padding: var(--space-14) 0;
    }

    .timeline-item {
        padding-left: var(--space-6);
    }

    .timeline-meta {
        flex-wrap: wrap;
    }

    .education-section {
        padding: var(--space-14) 0;
    }

    .education-grid {
        grid-template-columns: 1fr;
    }

    .contact-section {
        padding: var(--space-16) 0;
    }

    .contact-title {
        font-size: var(--text-4xl);
    }

    .contact-links {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-4);
    }

    .contact-divider {
        display: none;
    }

    .contact-link {
        padding: var(--space-3) var(--space-4);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        font-size: var(--text-sm);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }

    .media-video, .media-video-fallback {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --text-hero: 2.25rem;
        --container-padding: 16px;
    }

    main {
        padding-top: 80px;
    }

    .hero-section {
        padding: var(--space-8) 0 var(--space-5);
    }

    .highlights-grid {
        grid-template-columns: 1fr;
    }

    .companies-row {
        gap: var(--space-6);
    }

    .company-logo {
        width: 32px;
        height: 32px;
    }

    .company-name {
        font-size: var(--text-xs);
    }

    .work-card {
        padding: var(--space-5);
    }

    .work-card-tags {
        flex-wrap: wrap;
    }

    .oxppl-response-img {
        max-height: 200px;
    }

    .carousel-card {
        flex: 0 0 90%;
    }
}