:root {
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #050a12;
    color: #e6f7ff;
}

/* Final mobile header and hero placement: keep fixed controls out of content. */
@media (max-width: 600px) {
    .hero {
        min-height: 100svh;
        padding: 8.8rem 1rem 1.5rem;
        align-items: start;
    }

    .hero-card {
        padding: 1.6rem 1.15rem;
    }
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(circle at top, rgba(0, 174, 255, 0.15), transparent 38%),
        linear-gradient(145deg, #050a12 0%, #081523 100%);
}

.language-switcher {
    position: fixed;
    z-index: 10;
    top: 1.25rem;
    right: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem;
    border: 1px solid rgba(85, 220, 255, 0.32);
    border-radius: 9px;
    color: #648da4;
    background: rgba(5, 16, 27, 0.92);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.language-option {
    min-width: 38px;
    padding: 0.4rem 0.5rem;
    border: 0;
    border-radius: 6px;
    color: #789db2;
    background: transparent;
    cursor: pointer;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 750;
}

.language-option:hover,
.language-option:focus-visible {
    color: #d6f8ff;
}

.language-option:focus-visible {
    outline: 2px solid #55dcff;
    outline-offset: 2px;
}

.language-option.is-active {
    color: #04111b;
    background: linear-gradient(135deg, #2ecbff, #67efd0);
}

.hero {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.hero-card {
    width: min(100%, 880px);
    padding: clamp(2rem, 7vw, 4.5rem);
    text-align: center;
    border: 1px solid rgba(63, 210, 255, 0.32);
    border-radius: 18px;
    background: rgba(8, 20, 34, 0.86);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4), 0 0 32px rgba(0, 174, 255, 0.08);
}

.brand {
    margin: 0 0 1.25rem;
    color: #55dcff;
    font-size: 0.82rem;
    font-weight: 750;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(2.2rem, 7vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

p {
    margin: 0;
}

.role {
    margin-top: 1rem;
    color: #55dcff;
    font-size: clamp(1.05rem, 3vw, 1.35rem);
    font-weight: 650;
}

.intro {
    max-width: 650px;
    margin: 1.5rem auto 0;
    color: #a9c5d6;
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    line-height: 1.7;
}

.actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2.25rem;
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.15rem;
    border: 1px solid rgba(85, 220, 255, 0.52);
    border-radius: 9px;
    color: #c8f4ff;
    background: rgba(16, 55, 78, 0.45);
    font-weight: 700;
    text-decoration: none;
    transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible {
    border-color: #55dcff;
    color: #ffffff;
    background: rgba(26, 102, 137, 0.58);
}

.button:focus-visible {
    outline: 3px solid rgba(85, 220, 255, 0.24);
    outline-offset: 3px;
}

.button-primary {
    border-color: #2ecbff;
    color: #04111b;
    background: linear-gradient(135deg, #2ecbff, #67efd0);
}

.button-primary:hover,
.button-primary:focus-visible {
    color: #04111b;
    background: linear-gradient(135deg, #65dcff, #8af6dd);
}

.technologies {
    margin-top: 2rem;
    color: #789db2;
    font-size: 0.83rem;
    line-height: 1.8;
}

.technologies span {
    padding: 0 0.25rem;
    color: #37cfff;
}

.technichus-section {
    padding: clamp(4rem, 9vw, 7rem) 1.5rem;
    scroll-margin-top: 90px;
    border-top: 1px solid rgba(63, 210, 255, 0.12);
    background: linear-gradient(180deg, rgba(6, 17, 29, 0.72), rgba(5, 13, 23, 0.92));
}

@media (max-width: 600px) {
    .hero {
        min-height: 100svh;
        padding: 7.4rem 1rem 1.5rem;
        align-items: start;
    }

    .hero-card {
        padding: 1.6rem 1.15rem;
    }

    .brand {
        margin-bottom: 0.9rem;
        font-size: 0.72rem;
    }

    h1 {
        font-size: clamp(2rem, 10vw, 2.7rem);
        line-height: 1.08;
    }

    .role {
        margin-top: 0.75rem;
    }

    .intro {
        margin-top: 1rem;
        font-size: 0.95rem;
        line-height: 1.55;
    }

    .actions {
        flex-direction: column;
        gap: 0.6rem;
        margin-top: 1.4rem;
    }

    .actions .button {
        width: 100%;
        min-height: 46px;
        padding: 0.72rem 0.8rem;
    }

    .technologies {
        margin-top: 1.25rem;
        font-size: 0.76rem;
        line-height: 1.6;
    }

    .technichus-section {
        padding: 3.5rem 1rem;
    }

    .technichus-panel h2 {
        font-size: clamp(1.8rem, 9vw, 2.5rem);
        line-height: 1.12;
        overflow-wrap: anywhere;
    }
}

.technichus-panel {
    position: relative;
    width: min(100%, 940px);
    margin: 0 auto;
    padding: clamp(2rem, 6vw, 3.75rem);
    overflow: hidden;
    border: 1px solid rgba(85, 220, 255, 0.3);
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(11, 35, 55, 0.94), rgba(7, 23, 38, 0.92));
    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.24);
}

.technichus-panel::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: linear-gradient(180deg, #2ecbff, #67efd0);
}

.application-badge {
    display: inline-block;
    margin-bottom: 1.2rem;
    padding: 0.45rem 0.7rem;
    border: 1px solid rgba(103, 239, 208, 0.28);
    border-radius: 999px;
    color: #80efd6;
    background: rgba(21, 73, 76, 0.28);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.04em;
}

.technichus-panel h2 {
    margin: 0;
    color: #eafaff;
    font-size: clamp(2rem, 5vw, 3.35rem);
    letter-spacing: -0.035em;
}

.technichus-copy {
    max-width: 790px;
    margin-top: 1.6rem;
    color: #abc8d8;
    font-size: 1.02rem;
    line-height: 1.8;
}

.technichus-copy p + p {
    margin-top: 1.1rem;
}

.role-match {
    margin-top: 2rem;
    padding: 1.25rem;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 12px;
    background: rgba(5, 23, 37, 0.62);
}

.role-match h3 {
    margin: 0 0 0.9rem;
    color: #69ddff;
    font-size: 1rem;
}

.role-match-list,
.role-learning ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.role-match-list li,
.role-learning li {
    padding: 0.45rem 0.65rem;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 8px;
    color: #b4d4e2;
    background: rgba(12, 42, 60, 0.74);
    font-size: 0.78rem;
}

.role-learning {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(103, 239, 208, 0.15);
}

.role-learning > span {
    color: #70f0c1;
    font-size: 0.78rem;
    font-weight: 700;
}

.role-learning li {
    border-color: rgba(103, 239, 208, 0.22);
    background: rgba(12, 52, 55, 0.55);
}

.direct-role-match {
    margin-top: 1.5rem;
    padding: clamp(1rem, 2.5vw, 1.5rem);
    border: 1px solid rgba(85, 220, 255, 0.24);
    border-radius: 14px;
    background: rgba(4, 18, 31, 0.76);
}

.direct-role-match > h3 {
    margin: 0 0 1rem;
    color: #73e5ff;
    font-size: clamp(1.15rem, 2.5vw, 1.45rem);
}

.direct-match-grid {
    display: grid;
    gap: 0.75rem;
}

.direct-match-card {
    padding: 0.95rem;
    border: 1px solid rgba(85, 220, 255, 0.14);
    border-radius: 10px;
    background: rgba(9, 33, 50, 0.7);
}

.match-pair {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0.8rem;
}

.match-pair p,
.match-evidence {
    margin: 0;
    min-width: 0;
}

.match-pair span,
.match-evidence > span:first-child {
    display: block;
    margin-bottom: 0.28rem;
    color: #6edfff;
    font-size: 0.68rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.match-pair strong {
    display: block;
    color: #d6f4ff;
    font-size: 0.88rem;
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.match-pair p + p {
    padding-left: 0.8rem;
    border-left: 1px solid rgba(103, 239, 208, 0.22);
}

.match-evidence {
    margin-top: 0.75rem;
    padding-top: 0.7rem;
    border-top: 1px solid rgba(85, 220, 255, 0.1);
    color: #9fc5d5;
    font-size: 0.8rem;
    line-height: 1.55;
}

.match-evidence > span:last-child {
    overflow-wrap: anywhere;
}

.direct-learning {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid rgba(103, 239, 208, 0.22);
    border-radius: 10px;
    background: rgba(10, 48, 49, 0.5);
}

.direct-learning h4 {
    margin: 0 0 0.65rem;
    color: #70f0c1;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.direct-learning ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.direct-learning li {
    padding: 0.38rem 0.58rem;
    border: 1px solid rgba(103, 239, 208, 0.2);
    border-radius: 7px;
    color: #c4ede2;
    background: rgba(9, 60, 59, 0.48);
    font-size: 0.76rem;
}

.direct-learning p {
    margin: 0.75rem 0 0;
    color: #9fc9c3;
    font-size: 0.8rem;
    line-height: 1.55;
}

@media (max-width: 560px) {
    .match-pair {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }

    .match-pair p + p {
        padding-top: 0.65rem;
        padding-left: 0;
        border-top: 1px solid rgba(103, 239, 208, 0.18);
        border-left: 0;
    }
}

.project-note {
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 1px solid rgba(85, 220, 255, 0.16);
    color: #6edfff;
    font-size: 0.9rem;
    font-weight: 650;
}

.projects-section {
    padding: clamp(4rem, 9vw, 7rem) 1.5rem;
    border-top: 1px solid rgba(63, 210, 255, 0.12);
    background: linear-gradient(180deg, rgba(4, 13, 23, 0.94), rgba(7, 21, 34, 0.88));
    scroll-margin-top: 1rem;
}

.projects-container {
    width: min(100%, 1120px);
    margin: 0 auto;
}

.featured-project {
    overflow: hidden;
    border: 1px solid rgba(85, 220, 255, 0.28);
    border-radius: 18px;
    background: rgba(8, 25, 41, 0.9);
    box-shadow: 0 24px 65px rgba(0, 0, 0, 0.28);
}

.featured-project + .featured-project {
    margin-top: clamp(2rem, 5vw, 3.5rem);
}

.project-image-placeholder {
    width: min(calc(100% - 3rem), 640px);
    aspect-ratio: 16 / 9;
    display: grid;
    place-items: center;
    margin: clamp(1.5rem, 4vw, 2.5rem) auto 0;
    padding: 2rem;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 13px;
    color: #75dfff;
    background:
        linear-gradient(rgba(85, 220, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(85, 220, 255, 0.045) 1px, transparent 1px),
        radial-gradient(circle at center, rgba(46, 203, 255, 0.12), transparent 52%),
        #071523;
    background-size: 28px 28px, 28px 28px, auto, auto;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-align: center;
}

.project-gallery {
    width: min(calc(100% - 3rem), 920px);
    margin: clamp(1.5rem, 4vw, 2.5rem) auto 0;
}

.gallery-main-button {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
    padding: 0;
    overflow: hidden;
    border: 1px solid rgba(85, 220, 255, 0.3);
    border-radius: 14px;
    background: #05111d;
    cursor: zoom-in;
}

.gallery-main-button:focus-visible,
.gallery-thumbnail:focus-visible,
.gallery-lightbox button:focus-visible {
    outline: 2px solid #70f0c1;
    outline-offset: 3px;
}

.gallery-main-image,
.gallery-thumbnail img,
.gallery-lightbox img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

.gallery-caption {
    min-height: 1.5em;
    margin: 0.8rem 0 1rem;
    color: #c7eaf3;
    text-align: center;
    line-height: 1.5;
}

.gallery-description {
    max-width: 760px;
    margin: 0 auto 1rem;
    color: #a9c9d4;
    font-size: 0.94rem;
    line-height: 1.6;
    text-align: center;
}

.gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.7rem;
}

.gallery-thumbnail {
    aspect-ratio: 16 / 9;
    padding: 0.25rem;
    overflow: hidden;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 9px;
    background: rgba(5, 17, 29, 0.95);
    cursor: pointer;
}

.gallery-thumbnail:hover,
.gallery-thumbnail.is-active {
    border-color: #55dcff;
    box-shadow: 0 0 0 2px rgba(85, 220, 255, 0.18);
}

.gallery-privacy-note {
    margin: 1rem 0 0;
    color: #91afba;
    font-size: 0.86rem;
    line-height: 1.55;
    text-align: center;
}

.gallery-lightbox[hidden] {
    display: none;
}

.gallery-lightbox {
    position: fixed;
    z-index: 1000;
    inset: 0;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 1.5rem);
    padding: clamp(1rem, 4vw, 3rem);
    background: rgba(1, 7, 13, 0.96);
}

.gallery-lightbox figure {
    min-width: 0;
    max-width: 1100px;
    margin: auto;
}

.gallery-lightbox img {
    max-height: 78vh;
}

.gallery-lightbox figcaption {
    margin-top: 1rem;
    color: #d7f5ff;
    text-align: center;
    line-height: 1.5;
}

.gallery-lightbox button {
    border: 1px solid rgba(85, 220, 255, 0.45);
    color: #e7fbff;
    background: rgba(7, 31, 49, 0.9);
    cursor: pointer;
}

.gallery-lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    font-size: 1.7rem;
}

.gallery-lightbox-nav {
    width: clamp(2.6rem, 6vw, 3.5rem);
    height: clamp(3.5rem, 8vw, 4.8rem);
    border-radius: 12px;
    font-size: clamp(2rem, 5vw, 3rem);
}

body.lightbox-open {
    overflow: hidden;
}

.project-content {
    padding: clamp(1.5rem, 5vw, 3.25rem);
}

.project-header {
    max-width: 830px;
}

.project-number {
    margin-bottom: 0.65rem;
    color: #70f0c1;
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.project-header h3 {
    margin: 0;
    color: #effbff;
    max-width: 100%;
    font-size: clamp(1.55rem, 3.4vw, 2.8rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    overflow-wrap: break-word;
    hyphens: auto;
}

.project-summary {
    max-width: 870px;
    margin-top: 1.5rem;
    color: #abc7d6;
    font-size: 1rem;
    line-height: 1.75;
}

.project-summary p + p {
    margin-top: 0.9rem;
}

.project-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.4rem;
}

.project-indicators span {
    padding: 0.45rem 0.7rem;
    border: 1px solid rgba(103, 239, 208, 0.26);
    border-radius: 7px;
    color: #86ecd5;
    background: rgba(13, 61, 65, 0.42);
    font-size: 0.78rem;
    font-weight: 700;
}

.project-safety-note {
    margin: 0;
    padding: 0.9rem 1rem;
    border-left: 3px solid #55dcff;
    border-radius: 0 10px 10px 0;
    color: #c7eaf3;
    background: rgba(21, 88, 112, 0.2);
    line-height: 1.65;
}

.project-technologies {
    margin-top: 2.25rem;
}

.project-technologies h4,
.project-detail h4 {
    margin: 0 0 0.85rem;
    color: #69ddff;
    font-size: 0.95rem;
}

.project-technologies ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.project-technologies li {
    padding: 0.45rem 0.7rem;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 7px;
    color: #a8d7e9;
    background: rgba(15, 52, 72, 0.48);
    font-size: 0.78rem;
    font-weight: 650;
}

.project-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.25rem;
}

.project-detail {
    padding: 1.35rem;
    border: 1px solid rgba(85, 220, 255, 0.16);
    border-radius: 11px;
    background: rgba(7, 20, 33, 0.72);
}

.project-detail-wide {
    grid-column: 1 / -1;
}

.project-detail p {
    color: #92afbf;
    font-size: 0.91rem;
    line-height: 1.7;
}

.project-ai-button {
    margin-top: 2rem;
    cursor: pointer;
    font: inherit;
}

.placeholder {
    min-height: 32vh;
    display: grid;
    place-items: center;
    padding: 2rem 1rem;
    border-top: 1px solid rgba(63, 210, 255, 0.12);
    scroll-margin-top: 1rem;
}

.placeholder h2 {
    margin: 0;
    color: #75dfff;
    font-size: clamp(1.25rem, 4vw, 1.8rem);
    font-weight: 650;
}

.about-section {
    padding: clamp(4rem, 9vw, 7rem) 1.5rem;
    border-top: 1px solid rgba(63, 210, 255, 0.12);
    background: linear-gradient(180deg, rgba(5, 14, 24, 0.48), rgba(8, 24, 39, 0.88));
    scroll-margin-top: 1rem;
}

.about-container {
    width: min(100%, 1040px);
    margin: 0 auto;
}

.section-heading {
    margin-bottom: 2rem;
}

.section-label {
    margin-bottom: 0.55rem;
    color: #55dcff;
    font-size: 0.76rem;
    font-weight: 750;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.section-heading h2 {
    margin: 0;
    color: #eafaff;
    font-size: clamp(2rem, 5vw, 3.2rem);
    letter-spacing: -0.03em;
}

.about-copy {
    max-width: 820px;
    color: #acc6d5;
    font-size: 1.04rem;
    line-height: 1.8;
}

.about-profile-layout {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 2.75rem);
    align-items: start;
}

.about-portrait-wrap {
    display: flex;
    justify-content: center;
    position: sticky;
    top: 1.5rem;
}

.about-portrait {
    width: 168px;
    height: 168px;
    display: block;
    border: 2px solid rgba(85, 220, 255, 0.72);
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    background: rgba(8, 29, 45, 0.9);
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.42), 0 0 24px rgba(46, 203, 255, 0.18);
}

.about-copy p + p {
    margin-top: 1rem;
}

.profile-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
}

.profile-facts li {
    padding: 0.55rem 0.8rem;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 8px;
    color: #a8ccdc;
    background: rgba(8, 29, 45, 0.72);
    font-size: 0.82rem;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}

.about-card {
    padding: 1.4rem;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 12px;
    background: rgba(10, 29, 47, 0.72);
}

.about-card h3 {
    margin: 0 0 0.65rem;
    color: #69ddff;
    font-size: 1.05rem;
}

.about-card p {
    color: #91afc0;
    font-size: 0.93rem;
    line-height: 1.65;
}

.cv-button {
    margin-top: 2rem;
    cursor: pointer;
    font: inherit;
}

.background-section {
    padding: clamp(4rem, 8vw, 6rem) 1.5rem;
    border-top: 1px solid rgba(63, 210, 255, 0.12);
    background: rgba(7, 20, 33, 0.82);
    scroll-margin-top: 1rem;
}

.background-container {
    width: min(100%, 1120px);
    margin: 0 auto;
}

.background-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
    gap: 1rem;
}

.background-card {
    padding: 1.45rem;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 12px;
    background: rgba(10, 29, 47, 0.72);
}

.background-card h3 {
    margin: 0 0 1rem;
    color: #69ddff;
    font-size: 1.08rem;
}

.background-card ul {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding-left: 1.15rem;
}

.background-card li {
    color: #91afc0;
    font-size: 0.9rem;
    line-height: 1.55;
}

.skills-section {
    padding: clamp(4rem, 9vw, 7rem) 1.5rem;
    border-top: 1px solid rgba(63, 210, 255, 0.12);
    background: rgba(4, 12, 21, 0.72);
    scroll-margin-top: 1rem;
}

.skills-container {
    width: min(100%, 1120px);
    margin: 0 auto;
}

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

.skill-card {
    min-height: 190px;
    padding: 1.45rem;
    border: 1px solid rgba(85, 220, 255, 0.2);
    border-radius: 12px;
    background: linear-gradient(145deg, rgba(12, 34, 53, 0.92), rgba(8, 24, 39, 0.82));
}

.skill-card h3,
.additional-learning h3 {
    margin: 0 0 0.7rem;
    color: #69ddff;
    font-size: 1.05rem;
    line-height: 1.4;
}

.skill-card p,
.additional-learning p {
    color: #91afc0;
    font-size: 0.93rem;
    line-height: 1.65;
}

.additional-learning {
    margin-top: 1rem;
    padding: 1.35rem 1.45rem;
    border: 1px solid rgba(103, 239, 208, 0.24);
    border-radius: 12px;
    background: rgba(12, 42, 52, 0.62);
}

.additional-learning h3 {
    color: #70f0c1;
}

@media (max-width: 820px) {
    .about-profile-layout {
        grid-template-columns: 150px minmax(0, 1fr);
    }

    .about-portrait {
        width: 140px;
        height: 140px;
    }

    .skills-grid,
    .background-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .language-switcher {
        top: 0.75rem;
        right: 0.75rem;
    }

    .hero {
        padding: 1rem;
    }

    .hero-card {
        padding: 2rem 1.25rem;
        border-radius: 14px;
    }

    .technichus-section {
        padding: 3.5rem 1rem;
    }

    .technichus-panel {
        padding: 2rem 1.25rem;
        border-radius: 14px;
    }

    .actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .about-section,
    .background-section,
    .projects-section,
    .skills-section {
        padding: 3.5rem 1rem;
    }

    .about-cards,
    .background-grid,
    .skills-grid {
        grid-template-columns: 1fr;
    }

    .about-profile-layout {
        grid-template-columns: 1fr;
    }

    .about-portrait-wrap {
        position: static;
        justify-content: center;
    }

    .about-portrait {
        width: 132px;
        height: 132px;
    }

    .skill-card {
        min-height: 0;
    }

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

    .project-detail-wide {
        grid-column: auto;
    }

    .project-image-placeholder {
        width: calc(100% - 2rem);
        padding: 1rem;
    }

    .project-gallery {
        width: calc(100% - 2rem);
    }

    .gallery-thumbnails {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .gallery-lightbox {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: minmax(0, 1fr) auto;
        padding: 4rem 0.8rem 1rem;
    }

    .gallery-lightbox figure {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .gallery-lightbox-prev,
    .gallery-lightbox-next {
        grid-row: 2;
        width: 100%;
        height: 2.8rem;
    }

    .project-header h3 {
        font-size: clamp(1.4rem, 7vw, 2rem);
        line-height: 1.2;
    }
}

@media (max-width: 600px) {
    .hero {
        min-height: 100svh;
        padding: 8.8rem 1rem 1.5rem;
        align-items: start;
    }

    .hero-card {
        padding: 1.6rem 1.15rem;
    }
}