:root {
    color-scheme: dark;
    --bg: #07080d;
    --bg-soft: #10131b;
    --surface: #141823;
    --surface-strong: #1b2130;
    --text: #edf5ff;
    --muted: #9aa8b7;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #42ff8b;
    --accent-2: #35c9ff;
    --accent-3: #ff4f8f;
    --accent-4: #ff9f43;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    min-height: 100%;
}

body {
    min-height: 100%;
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background:
        linear-gradient(90deg, rgba(66, 255, 139, 0.055) 1px, transparent 1px),
        linear-gradient(0deg, rgba(53, 201, 255, 0.05) 1px, transparent 1px),
        linear-gradient(180deg, var(--bg), var(--bg-soft));
    background-size: 54px 54px, 54px 54px, auto;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    content: "";
    background:
        radial-gradient(circle at 16% 18%, rgba(66, 255, 139, 0.18), transparent 25%),
        radial-gradient(circle at 84% 24%, rgba(53, 201, 255, 0.13), transparent 26%),
        radial-gradient(circle at 72% 84%, rgba(255, 79, 143, 0.12), transparent 26%);
}

a {
    color: inherit;
    text-decoration-color: color-mix(in srgb, var(--accent) 70%, transparent);
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--accent);
}

code,
pre {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

code {
    color: var(--accent);
}

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

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 1000;
    transform: translateY(-160%);
    border: 1px solid color-mix(in srgb, var(--accent) 72%, white);
    border-radius: var(--radius);
    padding: 0.55rem 0.75rem;
    color: #06100b;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    font-weight: 800;
    text-decoration: none;
    box-shadow: var(--shadow);
}

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

.site-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: minmax(190px, 1fr) auto;
    gap: 1rem;
    align-items: center;
    padding: 0.9rem clamp(1rem, 4vw, 3rem);
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg) 86%, transparent);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    gap: 0.8rem;
    align-items: center;
    min-width: 0;
    text-decoration: none;
}

.brand__mark {
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    border: 1px solid color-mix(in srgb, var(--accent) 60%, white);
    border-radius: 8px;
    background:
        linear-gradient(135deg, transparent 0 38%, var(--accent) 39% 45%, transparent 46%),
        linear-gradient(45deg, var(--accent-2), var(--accent-3));
    box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 36%, transparent);
}

.brand strong,
.brand small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.brand strong {
    font-size: 1rem;
}

.brand small {
    color: var(--muted);
    font-size: 0.82rem;
}

.nav-links,
.hero__actions,
.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    align-items: center;
}

.nav-links {
    justify-content: end;
}

.nav-links {
    scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-links a,
.button,
.repo-link {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.42rem 0.78rem;
    color: var(--muted);
    text-decoration: none;
    background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.nav-links a:hover,
.nav-links a[aria-current="true"],
.button:hover,
.repo-link:hover {
    color: var(--text);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.button {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    font-weight: 800;
}

.button--primary {
    color: #06100b;
    border-color: color-mix(in srgb, var(--accent) 72%, white);
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.hero,
.subhero {
    position: relative;
    display: grid;
    align-items: end;
    min-height: calc(100vh - 72px);
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.hero__image,
.subhero__image {
    position: absolute;
    inset: 0;
    z-index: -3;
    background-image: url("screenshots/tcms-home.png");
    background-position: center top;
    background-size: cover;
    filter: saturate(1.08) contrast(1.04);
    transform: scale(1.04);
}

.subhero {
    min-height: 56vh;
}

.subhero__image {
    background-image: url("screenshots/tcms-search.png");
}

.hero__shade,
.subhero::before {
    position: absolute;
    inset: 0;
    z-index: -2;
    content: "";
    background:
        linear-gradient(90deg, rgba(7, 8, 13, 0.96) 0%, rgba(7, 8, 13, 0.78) 44%, rgba(7, 8, 13, 0.36) 100%),
        linear-gradient(0deg, rgba(7, 8, 13, 0.92) 0%, rgba(7, 8, 13, 0.2) 58%);
}

.hero__content,
.subhero__content {
    width: min(980px, calc(100% - 2rem));
    margin: 0 auto;
    padding: clamp(3rem, 7vw, 6rem) 0 clamp(5rem, 8vw, 7rem);
}

.hero__content {
    margin-left: clamp(1rem, 7vw, 5rem);
}

.eyebrow {
    margin: 0 0 0.7rem;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.08;
    letter-spacing: 0;
}

h1 {
    max-width: 900px;
    margin: 0;
    font-size: clamp(2.8rem, 6vw, 5.4rem);
}

h2 {
    max-width: 760px;
    margin: 0 0 1rem;
    font-size: clamp(2rem, 5vw, 4rem);
}

h3 {
    margin: 0 0 0.65rem;
    font-size: 1.2rem;
}

.hero__lead,
.subhero__content p:not(.eyebrow) {
    max-width: 760px;
    color: color-mix(in srgb, var(--text) 86%, var(--muted));
    font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero__metrics {
    position: absolute;
    right: clamp(1rem, 4vw, 3rem);
    bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    justify-content: end;
    max-width: 760px;
}

.hero__metrics span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.4rem 0.7rem;
    color: var(--muted);
    background: color-mix(in srgb, var(--surface) 68%, transparent);
    backdrop-filter: blur(14px);
}

.hero__metrics strong {
    color: var(--text);
}

.section {
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.section__inner {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
}

.section-heading {
    max-width: 820px;
    margin-bottom: 2rem;
}

.section-heading p:not(.eyebrow),
.intro-grid p,
.workflow-grid p,
.client-grid p,
.clone-grid p {
    color: var(--muted);
}

.intro-grid,
.workflow-grid,
.split-grid,
.client-grid,
.clone-grid,
.license-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.88fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
}

.terminal-panel,
.glass-panel,
.license-text,
.change-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--surface) 92%, transparent), color-mix(in srgb, var(--surface-strong) 88%, transparent));
    box-shadow: var(--shadow);
}

.terminal-panel {
    overflow: hidden;
}

.terminal-panel__bar {
    display: flex;
    gap: 0.45rem;
    align-items: center;
    min-height: 40px;
    padding: 0 1rem;
    border-bottom: 1px solid var(--line);
    background: #05070a;
}

.terminal-panel__bar span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.terminal-panel__bar span:nth-child(1) {
    background: var(--accent-3);
}

.terminal-panel__bar span:nth-child(2) {
    background: var(--accent-4);
}

.terminal-panel__bar span:nth-child(3) {
    background: var(--accent);
}

.terminal-panel pre,
.code-pair pre {
    overflow: auto;
    margin: 0;
    padding: 1.1rem;
    color: var(--text);
    background: #05070a;
}

.terminal-panel--large pre {
    min-height: 260px;
}

.parallax-band {
    background:
        linear-gradient(rgba(7, 8, 13, 0.84), rgba(7, 8, 13, 0.92)),
        url("screenshots/tcms-home.png") center / cover fixed;
    border-block: 1px solid var(--line);
}

.parallax-band--post {
    background:
        linear-gradient(rgba(7, 8, 13, 0.82), rgba(7, 8, 13, 0.9)),
        url("screenshots/tcms-post.png") center / cover fixed;
}

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

.screenshot-card {
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface) 88%, transparent);
    box-shadow: var(--shadow);
}

.screenshot-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-bottom: 1px solid var(--line);
}

.screenshot-card figcaption {
    display: grid;
    gap: 0.45rem;
    padding: 1rem;
}

.screenshot-card span,
.feature-card p,
.feature-strip span,
.timeline,
.change-card li,
.license-text p {
    color: var(--muted);
}

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

.feature-card {
    min-height: 250px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.1rem;
    background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.feature-card__icon {
    display: inline-grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    margin-bottom: 1rem;
    border: 1px solid color-mix(in srgb, var(--accent) 60%, white);
    border-radius: 50%;
    color: #06100b;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    font-size: 0.78rem;
    font-weight: 900;
}

.timeline {
    display: grid;
    gap: 0.75rem;
    margin: 1.4rem 0 0;
    padding-left: 1.25rem;
}

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

.glass-panel {
    padding: clamp(1rem, 3vw, 2rem);
    backdrop-filter: blur(18px);
}

.code-pair {
    display: grid;
    gap: 1rem;
}

.code-pair pre {
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.client-map {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    min-height: 430px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #0e1119;
    box-shadow: var(--shadow);
}

.client-map__sidebar {
    display: grid;
    align-content: start;
    gap: 0.7rem;
    padding: 1.1rem;
    background: #141823;
}

.client-map__sidebar strong {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.client-map__sidebar span,
.client-map__toolbar span,
.client-map__fields span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.35rem 0.6rem;
    color: var(--muted);
    background: color-mix(in srgb, var(--surface-strong) 80%, transparent);
}

.client-map__main {
    display: grid;
    grid-template-rows: auto auto 1fr;
    gap: 1rem;
    padding: 1.1rem;
}

.client-map__toolbar,
.client-map__fields {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.client-map__editor {
    display: grid;
    align-content: start;
    gap: 0.8rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem;
    background: #05070a;
}

.feature-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.feature-strip span {
    border-top: 2px solid var(--accent);
    padding-top: 0.75rem;
}

.section--clone {
    border-top: 1px solid var(--line);
    background:
        linear-gradient(90deg, rgba(66, 255, 139, 0.07) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255, 79, 143, 0.04) 1px, transparent 1px),
        linear-gradient(180deg, rgba(20, 24, 35, 0.8), rgba(7, 8, 13, 0.96));
    background-size: 54px 54px, 54px 54px, auto;
}

.repo-link {
    display: inline-flex;
    margin-top: 0.5rem;
    color: var(--accent);
}

.subhero {
    align-items: center;
}

.change-timeline {
    display: grid;
    gap: 1rem;
}

.change-card {
    padding: clamp(1rem, 3vw, 1.5rem);
}

.change-card time {
    display: inline-block;
    margin-bottom: 0.55rem;
    color: var(--accent);
    font-weight: 900;
}

.change-card ul {
    display: grid;
    gap: 0.6rem;
    margin: 0;
    padding-left: 1.2rem;
}

.license-text {
    padding: clamp(1rem, 3vw, 1.5rem);
}

.section--license {
    border-top: 1px solid var(--line);
}

.site-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    padding: 2rem clamp(1rem, 4vw, 3rem);
    border-top: 1px solid var(--line);
    color: var(--muted);
}

@media (max-width: 980px) {
    .site-nav {
        grid-template-columns: 1fr;
    }

    .nav-links {
        justify-content: start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.2rem;
    }

    .hero__content {
        margin-inline: auto;
    }

    .hero__metrics {
        position: static;
        justify-content: start;
        width: min(980px, calc(100% - 2rem));
        margin: -4rem auto 1rem;
    }

    .intro-grid,
    .workflow-grid,
    .split-grid,
    .client-grid,
    .clone-grid,
    .license-grid,
    .screenshot-grid,
    .feature-grid,
    .feature-strip {
        grid-template-columns: 1fr;
    }

    .client-map {
        grid-template-columns: 1fr;
    }

    .client-map__sidebar {
        grid-template-columns: repeat(5, auto);
        overflow-x: auto;
    }

    .client-map__sidebar strong {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .hero,
    .subhero {
        min-height: 78vh;
    }

    .hero__lead,
    .subhero__content p:not(.eyebrow) {
        font-size: 1rem;
    }

    .parallax-band,
    .parallax-band--post {
        background-attachment: scroll;
    }

    .section {
        padding: 3.25rem 0;
    }
}

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

    [data-parallax] {
        transform: none !important;
    }
}