:root {
    --bg: #05070b;
    --bg-soft: #080d14;
    --line: rgba(163, 183, 207, 0.16);
    --line-strong: rgba(104, 211, 255, 0.38);
    --text: #eef4fb;
    --muted: #a8b4c3;
    --quiet: #6f7c8e;
    --accent: #38bdf8;
    --accent-soft: rgba(56, 189, 248, 0.12);
    --green: #82f29f;
    --max: 1280px;
    --pad: clamp(20px, 4vw, 56px);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg);
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 84px 84px,
        linear-gradient(180deg, rgba(255,255,255,0.018) 1px, transparent 1px) 0 0 / 84px 84px,
        radial-gradient(circle at 76% 18%, rgba(56, 189, 248, 0.09), transparent 28%),
        linear-gradient(180deg, #040608 0%, #07101a 52%, #05070b 100%);
    background-color: var(--bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at center, transparent 42%, rgba(0, 0, 0, 0.52) 100%);
}

a {
    color: inherit;
}

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

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 20;
    transform: translateY(-160%);
    background: var(--text);
    color: var(--bg);
    padding: 10px 14px;
    border-radius: 6px;
    transition: transform 0.2s ease;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--line);
    background: rgba(5, 7, 11, 0.78);
    backdrop-filter: blur(18px);
}

.nav-shell {
    width: min(var(--max), 100%);
    margin: 0 auto;
    padding: 18px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    color: var(--text);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand-name {
    color: var(--muted);
    font-weight: 650;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(18px, 3vw, 42px);
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: color 0.18s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--accent);
    outline: none;
}

.section-shell {
    width: min(var(--max), 100%);
    margin: 0 auto;
    padding: clamp(72px, 10vw, 132px) var(--pad);
    border-bottom: 1px solid var(--line);
}

.hero {
    min-height: calc(100vh - 75px);
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.72fr);
    align-items: center;
    gap: clamp(42px, 7vw, 108px);
    padding-top: clamp(56px, 7vw, 96px);
    padding-bottom: clamp(56px, 7vw, 96px);
}

.overline,
.section-label {
    margin: 0 0 20px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.19em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0;
    font-size: clamp(4rem, 10vw, 8.2rem);
    font-weight: 680;
    letter-spacing: -0.075em;
    line-height: 0.92;
}

.hero-text {
    max-width: 690px;
    margin: 26px 0 0;
    color: var(--muted);
    font-size: clamp(1.08rem, 1.8vw, 1.42rem);
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
    outline: none;
}

.button-primary {
    border: 1px solid var(--accent);
    background: var(--accent-soft);
    color: #dff7ff;
}

.button-secondary {
    border: 1px solid var(--line);
    color: var(--text);
}

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

.hero-portrait {
    align-self: center;
    min-height: 520px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.hero-portrait picture {
    position: absolute;
    inset: 0 2% 0 8%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    mask-image: linear-gradient(to bottom, black 84%, transparent 100%);
}

.hero-portrait img {
    width: min(100%, 390px);
    height: auto;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: center center;
    filter: grayscale(1) contrast(1.08) brightness(0.82);
    opacity: 0.74;
}

.portrait-note {
    position: absolute;
    right: 10%;
    bottom: 22px;
    display: grid;
    gap: 6px;
    color: var(--quiet);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
}

.portrait-note span:last-child {
    color: var(--green);
}

.about-grid,
.section-heading,
.contact {
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1fr);
    gap: clamp(34px, 6vw, 86px);
    align-items: start;
}

.about h2,
.section-heading h2,
.contact h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 4.2rem);
    font-weight: 620;
    letter-spacing: -0.055em;
    line-height: 1.02;
}

.about-copy p,
.section-heading p,
.contact-copy p {
    margin: 0 0 20px;
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.78;
}

.focus-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 64px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.focus-list div {
    padding: 28px 28px 30px 0;
    border-right: 1px solid var(--line);
}

.focus-list div + div {
    padding-left: 28px;
}

.focus-list div:last-child {
    border-right: 0;
}

.focus-list span {
    display: block;
    margin-bottom: 18px;
    color: var(--accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.focus-list strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.04rem;
}

.focus-list p {
    margin: 0;
    color: var(--quiet);
}

.section-heading {
    margin-bottom: 56px;
}

.section-heading.compact {
    margin-bottom: 28px;
}

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

.project-row {
    display: grid;
    grid-template-columns: 70px minmax(210px, 0.65fr) minmax(280px, 1fr) minmax(210px, 0.75fr) auto;
    gap: 28px;
    align-items: center;
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
}

.project-number {
    color: #b9d9ff;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    letter-spacing: -0.05em;
}

.project-main h3 {
    margin: 0 0 8px;
    font-size: clamp(1.3rem, 2vw, 1.8rem);
    font-weight: 540;
    letter-spacing: -0.035em;
}

.project-type {
    margin: 0;
    color: var(--quiet);
    font-size: 0.92rem;
}

.project-description {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-meta span {
    padding: 6px 9px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: #c8d5e5;
    font-size: 0.76rem;
}

.project-actions {
    display: grid;
    gap: 10px;
    justify-items: end;
    align-content: center;
}

.project-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
}

.project-link-muted {
    color: var(--muted);
}

.project-link:hover,
.project-link:focus-visible {
    text-decoration: underline;
    outline: none;
}

.idea-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.idea-list a,
.idea-list div {
    min-height: 148px;
    padding: 26px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    text-decoration: none;
    transition: background-color 0.18s ease;
}

.idea-list a:hover,
.idea-list a:focus-visible {
    background: rgba(56, 189, 248, 0.055);
    outline: none;
}

.idea-list strong {
    display: block;
    margin-bottom: 10px;
    color: var(--text);
    font-size: 1.04rem;
}

.idea-list span {
    display: block;
    color: var(--muted);
    line-height: 1.55;
}

.idea-list small {
    display: block;
    margin-top: 14px;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.contact {
    border-bottom: 0;
}

.contact-links {
    display: grid;
    gap: 12px;
}

.contact-item {
    width: 100%;
    display: grid;
    grid-template-columns: 82px 1fr auto;
    align-items: center;
    gap: 18px;
    padding: 18px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    color: inherit;
    text-align: left;
    text-decoration: none;
    font: inherit;
    cursor: pointer;
}

.contact-item span {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.contact-item strong {
    min-width: 0;
    overflow-wrap: anywhere;
    color: var(--text);
    font-weight: 520;
}

.contact-item small {
    color: var(--quiet);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.contact-item:hover strong,
.contact-item:focus-visible strong,
.contact-item.copied strong {
    color: var(--accent);
}

.contact-item:focus-visible {
    outline: 1px solid var(--accent);
    outline-offset: 6px;
}

.footer {
    width: min(var(--max), 100%);
    margin: 0 auto;
    padding: 28px var(--pad) 42px;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    color: var(--quiet);
    border-top: 1px solid var(--line);
}

@media (max-width: 1100px) {
    .hero,
    .about-grid,
    .section-heading,
    .contact {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }

    .hero-portrait {
        display: none;
    }

    .project-row {
        grid-template-columns: 58px 1fr;
        gap: 18px 24px;
    }

    .project-description,
    .project-meta,
    .project-actions {
        grid-column: 2;
    }

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

@media (max-width: 760px) {
    body {
        background:
            radial-gradient(circle at 80% 0%, rgba(56, 189, 248, 0.1), transparent 28%),
            linear-gradient(180deg, #040608 0%, #07101a 58%, #05070b 100%);
        background-color: var(--bg);
    }

    .nav-shell {
        align-items: flex-start;
        flex-direction: column;
        padding-top: 16px;
        padding-bottom: 14px;
    }

    .nav-links {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
        gap: 22px;
    }

    .brand-name {
        display: none;
    }

    .section-shell {
        padding-top: 70px;
        padding-bottom: 70px;
    }

    .hero h1 {
        font-size: clamp(3.8rem, 19vw, 6rem);
    }

    .hero-portrait {
        min-height: 300px;
    }

    .hero-actions {
        width: 100%;
    }

    .button {
        flex: 1 1 210px;
    }

    .focus-list,
    .idea-list {
        grid-template-columns: 1fr;
    }

    .focus-list div,
    .focus-list div + div {
        padding: 24px 0;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .focus-list div:last-child {
        border-bottom: 0;
    }

    .project-row {
        grid-template-columns: 1fr;
        padding: 28px 0;
    }

    .project-description,
    .project-meta,
    .project-actions {
        grid-column: auto;
    }

    .project-actions {
        justify-items: start;
    }

    .project-number {
        font-size: 2rem;
    }

    .contact-item {
        grid-template-columns: 1fr;
        gap: 5px;
    }

    .footer {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}