:root {
    --bg: #f5f7f5;
    --surface: #ffffff;
    --surface-soft: #e8f0ed;
    --ink: #17211f;
    --muted: #5d6c67;
    --line: #d9ded8;
    --brand: #0f6f68;
    --brand-dark: #0b4844;
    --radius: 8px;
    --content: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 10;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(12, 22, 20, 0.74);
    backdrop-filter: blur(18px);
    color: #ffffff;
}

.nav,
.hero-inner,
.container,
.footer-inner {
    width: min(100% - 32px, var(--content));
    margin: 0 auto;
}

.nav {
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.brand-mark {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 50%;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.88rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.94rem;
}

.nav-links a {
    padding: 8px 10px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.82);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links .active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
    outline: none;
}

main {
    background: var(--bg);
}

.hero,
.experience-hero {
    display: grid;
    align-items: end;
    color: #ffffff;
    background:
        linear-gradient(90deg, rgba(7, 16, 15, 0.78), rgba(7, 16, 15, 0.42) 42%, rgba(7, 16, 15, 0.08) 72%),
        linear-gradient(0deg, rgba(7, 16, 15, 0.66), rgba(7, 16, 15, 0.02) 44%),
        url("hero-workspace.jpg") center / cover no-repeat;
}

.hero {
    min-height: 88vh;
}

.experience-hero {
    min-height: 54vh;
}

.hero-inner {
    padding: 132px 0 64px;
}

.experience-hero .hero-inner {
    padding-bottom: 58px;
}

.eyebrow,
.section-kicker,
.sidebar-label {
    margin: 0;
    color: var(--brand);
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero .eyebrow,
.experience-hero .eyebrow {
    margin-bottom: 16px;
    color: #cce7e0;
}

.hero h1,
.experience-hero h1 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(2.5rem, 7vw, 5.8rem);
    line-height: 0.98;
    letter-spacing: 0;
    overflow-wrap: anywhere;
}

.experience-hero h1 {
    font-size: clamp(2.4rem, 6vw, 5.2rem);
    line-height: 1.02;
}

.hero h1 span {
    display: block;
}

.hero-copy {
    max-width: 680px;
    margin: 24px 0 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: clamp(1.05rem, 2vw, 1.28rem);
    overflow-wrap: anywhere;
}

.experience-hero .hero-copy {
    margin-top: 22px;
    font-size: clamp(1.02rem, 2vw, 1.22rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 700;
}

.button-primary {
    background: #ffffff;
    color: #10201d;
}

.button-secondary {
    border-color: rgba(255, 255, 255, 0.42);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    outline: none;
}

.section {
    padding: 72px 0;
}

.section-muted {
    background: var(--surface-soft);
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.42fr);
    gap: 36px;
    align-items: end;
    margin-bottom: 34px;
}

.section-kicker {
    margin-bottom: 10px;
}

.section-title {
    margin: 0;
    font-size: clamp(1.9rem, 4vw, 3rem);
    line-height: 1.08;
    letter-spacing: 0;
    overflow-wrap: anywhere;
}

.section-summary {
    margin: 0;
    color: var(--muted);
    overflow-wrap: anywhere;
}

.about-grid,
.experience-layout {
    display: grid;
    gap: 28px;
    align-items: start;
}

.about-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.44fr);
}

.experience-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 34px;
}

.experience-main,
.resume-section,
.project-list {
    display: grid;
    gap: 18px;
}

.experience-main {
    gap: 52px;
}

.compact-title {
    margin-bottom: 10px;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.education-card {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 16px;
    align-items: center;
    min-height: 132px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.education-card img {
    width: 72px;
    height: 72px;
    object-fit: contain;
}

.education-card h3,
.project-row h3 {
    margin: 0 0 8px;
    font-size: 1.2rem;
    line-height: 1.24;
}

.education-card p {
    margin: 0;
    color: var(--muted);
}

.about-panel,
.profile-panel,
.card,
.timeline-item,
.side-card,
.project-row {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.about-panel,
.card {
    padding: 24px;
}

.about-panel {
    padding: 30px;
}

.about-panel p {
    margin: 0 0 18px;
    color: #2f3b38;
    font-size: 1.05rem;
}

.about-panel p:last-child {
    margin-bottom: 0;
}

.profile-panel {
    display: grid;
    grid-template-rows: auto 1fr;
    overflow: hidden;
}

.profile-visual {
    min-height: 170px;
    background:
        linear-gradient(135deg, rgba(15, 111, 104, 0.68), rgba(177, 116, 47, 0.48)),
        url("hero-workspace.jpg") center / cover no-repeat;
}

.sidebar-content {
    display: grid;
    gap: 24px;
    padding: 24px;
}

.sidebar-intro h3 {
    margin: 4px 0 8px;
    font-size: 1.28rem;
    line-height: 1.2;
}

.sidebar-intro p:last-child {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.sidebar-label {
    color: var(--brand);
    font-size: 0.76rem;
}

.facts,
.sidebar-links,
.timeline {
    display: grid;
    gap: 16px;
}

.fact {
    display: grid;
    gap: 3px;
}

.fact span,
.sidebar-link span {
    color: var(--muted);
    font-size: 0.86rem;
}

.fact strong,
.sidebar-link strong {
    font-size: 1rem;
}

.sidebar-link {
    display: grid;
    gap: 3px;
    padding: 12px 0;
    border-top: 1px solid var(--line);
}

.sidebar-link span {
    font-weight: 700;
}

.sidebar-link strong {
    color: var(--brand-dark);
    overflow-wrap: anywhere;
}

.sidebar-cta,
.back-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    min-height: 52px;
    padding: 0 16px;
    border-radius: var(--radius);
    color: #ffffff;
    background: var(--brand-dark);
    font-weight: 800;
}

.sidebar-cta span,
.back-link span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 50%;
}

.skill-list,
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.tags {
    gap: 8px;
    margin-top: 16px;
}

.skill-list span,
.tags span,
.tag {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 10px;
    border: 1px solid #cfd8d4;
    border-radius: 999px;
    color: var(--brand-dark);
    background: #f9fbfa;
    font-size: 0.82rem;
    font-weight: 800;
}

.skill-list span {
    min-height: 34px;
    padding: 0 12px;
    font-size: 0.9rem;
}

.tag {
    border: 0;
    background: #e6f2ef;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card {
    min-height: 100%;
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 28px;
}

.year {
    color: var(--muted);
    font-weight: 700;
    font-size: 0.9rem;
}

.card h3,
.post h3 {
    margin: 0 0 10px;
    font-size: 1.18rem;
    line-height: 1.25;
}

.card p,
.post p {
    margin: 0;
    color: var(--muted);
}

.post-list {
    display: grid;
    border-top: 1px solid #cfd8d4;
}

.post {
    display: grid;
    grid-template-columns: 148px minmax(0, 1fr) auto;
    gap: 22px;
    align-items: center;
    min-height: 128px;
    padding: 24px 0;
    border-bottom: 1px solid #cfd8d4;
}

.post time,
.timeline-date {
    color: var(--brand-dark);
    font-weight: 900;
}

.post-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid #bfcac5;
    border-radius: 50%;
    color: var(--brand-dark);
    font-size: 1.2rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 22px;
    padding: 24px;
}

.project-row {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 22px;
    padding: 24px;
}

.project-row p {
    margin: 0;
    color: var(--muted);
}

.project-meta {
    display: grid;
    align-content: start;
    justify-items: start;
    gap: 10px;
    color: var(--muted);
    font-weight: 800;
}

.timeline-date {
    line-height: 1.25;
}

.timeline-body h2,
.side-card h2 {
    margin: 0 0 10px;
    font-size: 1.28rem;
    line-height: 1.24;
}

.timeline-body p,
.side-card p {
    margin: 0;
    color: var(--muted);
}

.experience-sidebar {
    position: sticky;
    top: 94px;
    display: grid;
    gap: 16px;
}

.side-card {
    padding: 22px;
}

.side-card h2 {
    margin-bottom: 8px;
    font-size: 1.15rem;
}

.side-list {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.side-list a,
.side-list span {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 42px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    color: var(--brand-dark);
    font-weight: 800;
    overflow-wrap: anywhere;
}

.side-list small {
    color: var(--muted);
    font-weight: 700;
}

.mini-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.mini-tags span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 10px;
    border-radius: 999px;
    color: var(--brand-dark);
    background: #e6f2ef;
    font-size: 0.82rem;
    font-weight: 800;
}

.site-footer {
    padding: 28px 0;
    color: var(--muted);
    background: #ffffff;
    border-top: 1px solid var(--line);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.92rem;
}

@media (max-width: 820px) {
    .site-header {
        position: absolute;
    }

    .nav {
        height: auto;
        min-height: 66px;
        padding: 12px 0;
        align-items: flex-start;
    }

    .nav-links {
        max-width: 300px;
        justify-content: flex-end;
        flex-wrap: wrap;
        gap: 2px;
        font-size: 0.86rem;
    }

    .nav-links a {
        padding: 5px 8px;
    }

    .hero {
        min-height: 82vh;
        background-position: 58% center;
    }

    .hero-inner {
        padding-top: 126px;
        padding-bottom: 42px;
    }

    .hero-actions {
        gap: 10px;
    }

    .section {
        padding: 54px 0;
    }

    .section-heading,
    .about-grid,
    .experience-layout,
    .education-grid {
        grid-template-columns: 1fr;
    }

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

    .post {
        grid-template-columns: 1fr auto;
        gap: 10px 18px;
    }

    .post time {
        grid-column: 1 / -1;
    }

    .experience-sidebar {
        position: static;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 520px) {
    .nav,
    .hero-inner,
    .container,
    .footer-inner {
        width: min(100% - 24px, var(--content));
    }

    .nav {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px 0 14px;
    }

    .brand span:last-child {
        max-width: 112px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .nav-links {
        width: 100%;
        max-width: none;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        justify-content: stretch;
    }

    .nav-links a {
        padding: 4px;
        text-align: center;
    }

    .hero,
    .experience-hero {
        background:
            linear-gradient(90deg, rgba(7, 16, 15, 0.82), rgba(7, 16, 15, 0.42)),
            linear-gradient(0deg, rgba(7, 16, 15, 0.72), rgba(7, 16, 15, 0.1) 48%),
            url("hero-workspace.jpg") 62% center / cover no-repeat;
    }

    .experience-hero {
        min-height: 50vh;
    }

    .hero h1,
    .experience-hero h1 {
        font-size: clamp(2.05rem, 11vw, 3rem);
        line-height: 1.08;
        word-break: break-all;
    }

    .hero-copy {
        font-size: 1rem;
        line-height: 1.7;
        word-break: break-all;
    }

    .section-title {
        font-size: clamp(1.72rem, 9vw, 2.25rem);
        line-height: 1.18;
        word-break: break-all;
    }

    .button {
        width: 100%;
    }

    .about-panel,
    .card,
    .timeline-item {
        padding: 20px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .education-card {
        grid-template-columns: 58px minmax(0, 1fr);
        min-height: auto;
        padding: 18px;
    }

    .education-card img {
        width: 58px;
        height: 58px;
    }

    .project-row {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 20px;
    }

    .project-meta {
        grid-template-columns: auto auto;
        align-items: center;
        justify-content: start;
    }
}