:root {
    color-scheme: light;
    --bg: #f6f8fc;
    --bg-soft: #edf3fa;
    --surface: #ffffff;
    --surface-soft: rgba(255, 255, 255, 0.76);
    --text: #10233d;
    --muted: #607086;
    --line: rgba(23, 57, 97, 0.12);
    --line-strong: rgba(23, 57, 97, 0.2);
    --primary: #0c5bd9;
    --primary-dark: #063f9e;
    --primary-soft: rgba(12, 91, 217, 0.1);
    --cyan: #18a8cb;
    --green: #1aa86e;
    --header: rgba(246, 248, 252, 0.82);
    --shadow: 0 30px 80px rgba(42, 72, 112, 0.14);
    --shadow-soft: 0 16px 46px rgba(42, 72, 112, 0.09);
    --radius-lg: 30px;
    --radius-md: 22px;
    --radius-sm: 14px;
    --container: 1180px;
    --header-height: 82px;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0c1626;
    --bg-soft: #101d30;
    --surface: #14233a;
    --surface-soft: rgba(20, 35, 58, 0.8);
    --text: #edf5ff;
    --muted: #9babc0;
    --line: rgba(215, 232, 255, 0.1);
    --line-strong: rgba(215, 232, 255, 0.19);
    --primary: #65a4ff;
    --primary-dark: #8ebcff;
    --primary-soft: rgba(101, 164, 255, 0.12);
    --cyan: #68d6ec;
    --green: #55d59d;
    --header: rgba(12, 22, 38, 0.84);
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.26);
    --shadow-soft: 0 16px 46px rgba(0, 0, 0, 0.18);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color 180ms ease, color 180ms ease;
}

body::before {
    position: fixed;
    z-index: -3;
    inset: 0;
    background-image: radial-gradient(rgba(12, 91, 217, 0.055) 1px, transparent 1px);
    background-size: 24px 24px;
    content: "";
    mask-image: linear-gradient(to bottom, black, transparent 72%);
    pointer-events: none;
}

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

button {
    color: inherit;
    font: inherit;
}

svg {
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.site-container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--text);
    color: var(--bg);
    transform: translateY(-160%);
    transition: transform 150ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    position: fixed;
    z-index: 30;
    top: 0;
    right: 0;
    left: 0;
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    background: var(--header);
    backdrop-filter: blur(18px);
    transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
    border-color: var(--line);
    box-shadow: 0 10px 34px rgba(21, 53, 92, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    height: 100%;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-code {
    display: inline-grid;
    min-width: 48px;
    height: 42px;
    padding-inline: 7px;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 13px;
    background: linear-gradient(145deg, var(--primary-soft), transparent);
    color: var(--primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.08em;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-copy strong {
    font-size: 15px;
    letter-spacing: -0.025em;
}

.brand-copy small {
    margin-top: 4px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-left: auto;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.site-nav a {
    transition: color 150ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--text);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 30px;
}

.header-contact {
    display: inline-grid;
    min-height: 40px;
    padding-inline: 16px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-soft);
    font-size: 12px;
    font-weight: 750;
}

.theme-toggle {
    display: inline-grid;
    width: 42px;
    height: 42px;
    padding: 0;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--surface-soft);
    cursor: pointer;
    transition: transform 150ms ease, border-color 150ms ease;
}

.theme-toggle:hover {
    border-color: var(--line-strong);
    transform: translateY(-2px);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

[data-theme="light"] .icon-sun,
[data-theme="dark"] .icon-moon {
    display: none;
}

.hero {
    position: relative;
    min-height: 100svh;
    padding: calc(var(--header-height) + 78px) 0 96px;
    overflow: clip;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
    align-items: center;
    gap: 70px;
}

.hero-copy,
.hero-media {
    min-width: 0;
}

.hero-orb {
    position: absolute;
    z-index: -2;
    border-radius: 50%;
    pointer-events: none;
}

.hero-orb-blue {
    top: 4%;
    right: -12%;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, rgba(12, 91, 217, 0.14), transparent 68%);
}

.hero-orb-cyan {
    bottom: 4%;
    left: -14%;
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, rgba(24, 168, 203, 0.1), transparent 70%);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 24px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.eyebrow span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 6px rgba(26, 168, 110, 0.1);
}

.hero h1 {
    margin: 0;
    font-size: clamp(60px, 6.1vw, 92px);
    font-weight: 760;
    letter-spacing: -0.07em;
    line-height: 0.96;
}

.hero h1 span {
    background: linear-gradient(100deg, var(--primary), var(--cyan));
    background-clip: text;
    color: transparent;
}

.hero-lead {
    max-width: 610px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.72;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    font-size: 13px;
    font-weight: 780;
    transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.button svg,
.inline-link svg,
.note-item svg {
    width: 18px;
    transition: transform 150ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    border-color: transparent;
    background: var(--primary);
    box-shadow: 0 14px 30px rgba(12, 91, 217, 0.2);
    color: #ffffff;
}

.button-primary:hover {
    box-shadow: 0 18px 36px rgba(12, 91, 217, 0.26);
}

.button-primary:hover svg,
.inline-link:hover svg,
.note-item:hover svg {
    transform: translateX(4px);
}

.button-secondary {
    background: var(--surface-soft);
}

.button-secondary:hover {
    border-color: var(--line-strong);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 30px;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 10px;
    font-weight: 650;
    letter-spacing: 0.04em;
}

.hero-meta span::before {
    margin-right: 7px;
    color: var(--primary);
    content: "/";
}

.hero-media {
    position: relative;
}

.hero-image-frame {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 34px;
    background: #f4f7fb;
    box-shadow: var(--shadow);
}

.hero-image-frame::after {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 55px 20px rgba(246, 248, 252, 0.62);
    content: "";
    pointer-events: none;
}

.hero-image-frame > img {
    display: block;
    width: 100%;
    min-height: 470px;
    object-fit: cover;
    object-position: center;
}

.image-label {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 164px;
    padding: 11px;
    border: 1px solid rgba(23, 57, 97, 0.16);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 18px 40px rgba(34, 64, 101, 0.16);
    color: #10233d;
    backdrop-filter: blur(12px);
}

.image-label > span {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 11px;
    background: rgba(12, 91, 217, 0.1);
    color: #0c5bd9;
    font-size: 12px;
    font-weight: 850;
}

.image-label strong,
.image-label small {
    display: block;
}

.image-label strong {
    font-size: 12px;
}

.image-label small {
    margin-top: 2px;
    color: #607086;
    font-size: 9px;
}

.label-chagora {
    bottom: 22px;
    left: 22px;
}

.label-ario {
    top: 22px;
    right: 22px;
}

.label-ario > span {
    background: rgba(24, 168, 203, 0.1);
    color: #0a86a3;
}

.media-caption {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 17px 0 0;
    color: var(--muted);
    font-size: 11px;
    font-weight: 650;
}

.media-caption i,
.project-status i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 5px rgba(26, 168, 110, 0.1);
}

.site-section {
    padding: 120px 0;
}

.section-header {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: end;
    gap: 80px;
    margin-bottom: 48px;
}

.section-kicker {
    margin: 0 0 13px;
    color: var(--primary);
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.site-section h2 {
    margin: 0;
    font-size: clamp(40px, 4.2vw, 62px);
    font-weight: 740;
    letter-spacing: -0.057em;
    line-height: 1.04;
}

.section-header > p,
.technical-intro > p:not(.section-kicker),
.notes-copy > p:not(.section-kicker) {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.projects-section {
    border-block: 1px solid var(--line);
    background: var(--bg-soft);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.project-card {
    position: relative;
    min-height: 565px;
    padding: 30px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.project-card::after {
    position: absolute;
    right: -16%;
    bottom: -28%;
    width: 330px;
    height: 330px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(12, 91, 217, 0.1), transparent 68%);
    content: "";
    pointer-events: none;
}

.project-ario::after {
    background: radial-gradient(circle, rgba(24, 168, 203, 0.11), transparent 68%);
}

.project-card:hover {
    border-color: var(--line-strong);
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

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

.project-index {
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 11px;
}

.project-status {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 720;
}

.project-icon {
    display: grid;
    width: 72px;
    height: 72px;
    margin-top: 66px;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 22px;
    background: linear-gradient(145deg, var(--primary-soft), transparent);
    color: var(--primary);
    font-size: 19px;
    font-weight: 850;
}

.project-ario .project-icon {
    background: linear-gradient(145deg, rgba(24, 168, 203, 0.11), transparent);
    color: var(--cyan);
}

.project-category {
    margin: 28px 0 5px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.project-card h3 {
    margin: 0;
    font-size: 40px;
    letter-spacing: -0.05em;
    line-height: 1.1;
}

.project-description {
    max-width: 500px;
    margin: 16px 0 22px;
    color: var(--muted);
    line-height: 1.72;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.tech-tags li {
    padding: 7px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 10px;
}

.project-focus {
    position: absolute;
    z-index: 1;
    right: 30px;
    bottom: 28px;
    left: 30px;
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
}

.project-focus span {
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-focus p {
    margin: 0;
    font-size: 12px;
}

.technical-grid {
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    gap: 110px;
}

.technical-intro {
    position: sticky;
    top: calc(var(--header-height) + 42px);
    align-self: start;
}

.technical-intro > p:not(.section-kicker) {
    max-width: 510px;
    margin-top: 26px;
}

.inline-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 800;
}

.capability-list {
    border-top: 1px solid var(--line);
}

.capability-list article {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) auto;
    gap: 20px;
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
}

.capability-list article > span {
    padding-top: 4px;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 10px;
}

.capability-list h3 {
    margin: 0 0 6px;
    font-size: 19px;
    letter-spacing: -0.025em;
}

.capability-list p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.capability-list strong {
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 9px;
    font-weight: 650;
    letter-spacing: 0.03em;
    text-align: right;
}

.notes-section {
    padding-top: 32px;
}

.notes-panel {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    align-items: end;
    gap: 80px;
    padding: 62px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--surface), var(--primary-soft));
    box-shadow: var(--shadow-soft);
}

.notes-copy > p:not(.section-kicker) {
    max-width: 630px;
    margin-top: 22px;
}

.notes-copy .button {
    margin-top: 28px;
}

.notes-list {
    border-top: 1px solid var(--line);
}

.note-item,
.future-item {
    display: grid;
    grid-template-columns: 94px minmax(0, 1fr) auto;
    align-items: center;
    gap: 15px;
    min-height: 64px;
    border-bottom: 1px solid var(--line);
}

.note-item > span {
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 9px;
}

.note-item strong {
    overflow: hidden;
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.future-item {
    grid-template-columns: 1fr auto;
    font-size: 13px;
    font-weight: 750;
}

.future-item i {
    padding: 5px 8px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 8px;
    font-style: normal;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-footer {
    padding: 86px 0 38px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;
    padding-top: 34px;
    border-top: 1px solid var(--line);
}

.footer-brand .brand-code {
    min-width: 44px;
    height: 38px;
    border-radius: 12px;
    font-size: 12px;
}

.footer-brand .brand-copy small {
    max-width: 340px;
    text-transform: none;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--muted);
    font-size: 12px;
}

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

.copyright {
    grid-column: 1 / -1;
    margin: 0;
    color: var(--muted);
    font-size: 10px;
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 650ms cubic-bezier(0.2, 0.7, 0.2, 1),
        transform 650ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
}

@media (max-width: 1080px) {
    .hero {
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 65px;
    }

    .hero-copy {
        max-width: 800px;
    }

    .hero-media {
        width: min(100%, 850px);
        margin-inline: auto;
    }

    .technical-grid {
        grid-template-columns: 1fr;
        gap: 58px;
    }

    .technical-intro {
        position: static;
    }
}

@media (max-width: 840px) {
    .site-nav,
    .header-contact {
        display: none;
    }

    .header-actions {
        margin-left: auto;
    }

    .section-header,
    .notes-panel {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .section-header {
        margin-bottom: 34px;
    }

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

@media (max-width: 620px) {
    :root {
        --header-height: 70px;
    }

    .site-container {
        width: min(calc(100% - 32px), var(--container));
    }

    .brand-copy small {
        display: none;
    }

    .hero {
        padding: calc(var(--header-height) + 58px) 0 76px;
    }

    .hero h1 {
        font-size: clamp(44px, 14vw, 64px);
        letter-spacing: -0.06em;
    }

    .hero-lead {
        font-size: 16px;
    }

    .hero-actions .button {
        width: 100%;
    }

    .hero-meta {
        gap: 10px 15px;
    }

    .hero-image-frame {
        border-radius: 24px;
    }

    .hero-image-frame > img {
        min-height: 370px;
    }

    .image-label {
        min-width: 132px;
        padding: 8px;
    }

    .image-label > span {
        width: 32px;
        height: 32px;
    }

    .label-chagora {
        bottom: 12px;
        left: 12px;
    }

    .label-ario {
        top: 12px;
        right: 12px;
    }

    .site-section {
        padding: 84px 0;
    }

    .site-section h2 {
        font-size: clamp(36px, 11vw, 48px);
    }

    .project-card {
        min-height: 585px;
        padding: 24px;
        border-radius: 24px;
    }

    .project-icon {
        margin-top: 50px;
    }

    .project-focus {
        right: 24px;
        bottom: 24px;
        left: 24px;
        grid-template-columns: 64px 1fr;
    }

    .capability-list article {
        grid-template-columns: 28px minmax(0, 1fr);
    }

    .capability-list strong {
        grid-column: 2;
        margin-top: -8px;
        text-align: left;
    }

    .notes-section {
        padding-top: 8px;
    }

    .notes-panel {
        padding: 36px 24px;
        border-radius: 24px;
    }

    .note-item {
        grid-template-columns: 1fr auto;
        padding: 13px 0;
    }

    .note-item > span {
        grid-column: 1;
    }

    .note-item strong {
        grid-column: 1;
        grid-row: 2;
    }

    .note-item svg {
        grid-column: 2;
        grid-row: 1 / 3;
    }

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

    .footer-links {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 370px) {
    .hero h1 {
        font-size: 42px;
    }

    .brand-copy {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}