:root {
    --bg: #131313;
    --surface: #1c1c1c;
    --surface-hover: #242424;
    --text: #ffffff;
    --muted: #9a9a9a;
    --dim: #353535;
    --accent: #2f6bff;
    --accent-2: #cfe0ff;
    --card: #ffffff;
    --card-text: #151515;
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.icon {
    width: 22px;
    height: 22px;
    flex: none;
}

/* floating nav */

.nav {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 4px;
    padding: 6px 10px;
    background: rgba(34, 34, 34, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius);
}

.nav a {
    display: flex;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text);
    transition: background 0.2s, color 0.2s;
}

.nav a:hover,
.nav a:focus-visible {
    background: var(--dim);
    color: var(--accent-2);
}

/* layout */

.page {
    display: grid;
    grid-template-columns: 344px minmax(0, 1fr);
    gap: 96px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 150px 24px 0;
}

.content {
    max-width: 700px;
}

section {
    padding-bottom: 110px;
}

/* profile card */

.profile-card {
    position: sticky;
    top: 120px;
    background: var(--card);
    color: var(--card-text);
    border-radius: 18px;
    padding: 30px 24px 34px;
    text-align: center;
}

.profile-photo {
    display: block;
    width: 264px;
    max-width: 100%;
    height: auto;
    aspect-ratio: 3 / 4;
    margin: 0 auto;
    object-fit: cover;
    border: 1px solid #dcdcdc;
    border-radius: var(--radius);
}

.profile-name {
    margin: 26px 0 0;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.profile-tagline {
    margin: 22px auto 0;
    max-width: 260px;
    color: #5f5f5f;
    font-weight: 500;
    line-height: 1.3;
}

.profile-social {
    display: flex;
    justify-content: center;
    gap: 22px;
    margin-top: 28px;
    color: var(--accent);
}

.profile-social a {
    display: flex;
    transition: transform 0.2s;
}

.profile-social a:hover {
    transform: translateY(-3px);
}

/* headings */

.heading {
    margin: 0 0 28px;
    font-size: clamp(48px, 9vw, 104px);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.heading span {
    display: block;
}

.heading .dim {
    color: var(--dim);
}

.lead {
    max-width: 470px;
    margin: 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.4;
}

/* hero */

.stats {
    display: flex;
    flex-wrap: wrap;
    gap: 28px 44px;
    margin-top: 56px;
}

.stat-value {
    font-size: 68px;
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.stat-label {
    max-width: 130px;
    margin-top: 10px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.3;
    text-transform: uppercase;
}

.tiles {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 28px;
    margin-top: 48px;
}

.tile {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 36px;
    min-height: 240px;
    padding: 24px;
    border-radius: var(--radius);
    background: var(--accent);
    transition: transform 0.25s;
}

.tile:nth-child(2) {
    background: var(--accent-2);
    color: #151515;
}

.tile:hover {
    transform: translateY(-6px);
}

.tile > .icon {
    width: 36px;
    height: 36px;
}

.tile-text {
    padding-right: 36px;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.15;
    text-transform: uppercase;
}

.tile-arrow {
    position: absolute;
    right: 20px;
    bottom: 20px;
    display: flex;
}

/* list rows */

.rows {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.row {
    position: relative;
    display: block;
    padding: 22px 24px;
    border-radius: var(--radius);
    transition: background 0.2s;
}

.row:hover {
    background: var(--surface);
}

.row-title {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    line-height: 1.25;
}

.row-title a:hover {
    color: var(--accent-2);
}

.row-meta {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.row-text {
    margin: 10px 0 0;
    color: var(--muted);
}

.row-outcome {
    margin: 14px 0 0;
    color: var(--accent-2);
    font-weight: 500;
}

.row-list {
    margin: 16px 0 0;
    padding-left: 20px;
    color: var(--muted);
}

.row-list li {
    margin-top: 10px;
}

.row-list li::marker {
    color: var(--accent);
}

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

.badge {
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--surface-hover);
    color: var(--muted);
    font-size: 13px;
}

.row-media {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
}

.row-thumb {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 12px;
}

.row-arrow {
    display: flex;
    align-self: start;
    color: var(--accent);
    transition: transform 0.2s;
}

.row-link:hover .row-arrow {
    transform: translate(3px, -3px);
}

/* tools */

.tools {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.tool {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-radius: var(--radius);
    transition: background 0.2s;
}

.tool:hover {
    background: var(--surface);
}

.tool-mark {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    flex: none;
    border-radius: 12px;
    background: var(--card);
    color: var(--card-text);
    font-size: 22px;
    font-weight: 700;
}

.tool-name {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.2;
}

.tool-kind {
    color: var(--muted);
    font-size: 14px;
}

/* about / contact */

.prose {
    color: var(--muted);
    font-size: 17px;
}

.prose p {
    margin: 0 0 18px;
}

.prose a {
    color: var(--text);
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-underline-offset: 3px;
}

.button {
    display: inline-block;
    margin-top: 28px;
    padding: 12px 36px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    transition: filter 0.2s, transform 0.2s;
}

.button:hover {
    filter: brightness(1.12);
    transform: translateY(-2px);
}

.footer {
    padding: 0 0 48px;
    color: var(--muted);
    font-size: 14px;
}

.notfound {
    max-width: 700px;
    margin: 0 auto;
    padding: 160px 24px;
}

/* scroll reveal (only when JS is available) */

.js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out, background 0.2s;
}

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

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

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

/* tablet and below: stack the card above the content */

@media (max-width: 960px) {
    .page {
        grid-template-columns: minmax(0, 1fr);
        gap: 56px;
        padding-top: 110px;
    }

    .profile-card {
        position: static;
        max-width: 344px;
        margin: 0 auto;
    }

    .content {
        max-width: none;
    }

    section {
        padding-bottom: 80px;
    }
}

@media (max-width: 560px) {
    .page {
        padding-left: 16px;
        padding-right: 16px;
    }

    .nav {
        top: 12px;
        gap: 0;
        padding: 4px 6px;
    }

    .nav a {
        padding: 9px;
    }

    .stat-value {
        font-size: 48px;
    }

    .tiles,
    .tools {
        grid-template-columns: minmax(0, 1fr);
    }

    .tile {
        min-height: 180px;
    }

    .row,
    .tool {
        padding-left: 12px;
        padding-right: 12px;
    }

    .row-media {
        grid-template-columns: 64px minmax(0, 1fr) auto;
        gap: 14px;
    }

    .row-thumb {
        width: 64px;
        height: 64px;
    }

    .row-title {
        font-size: 20px;
    }
}