/* ============================================================
   pglifecycle — marketing site
   Visual system: PostgreSQL blue, terminal-forward, evidence-first.
   ============================================================ */

:root {
    /* Brand — PostgreSQL blue */
    --pg: #336791;
    --pg-deep: #244c6c;
    --pg-darker: #18374f;
    --pg-bright: #5b9bc9;
    --pg-tint: #e8eef3;
    --pg-tint-2: #f0f4f7;

    /* Ink / terminal surfaces */
    --ink: #0d141b;
    --ink-soft: #121b24;
    --ink-2: #18232e;
    --ink-line: #243341;
    --ink-line-soft: #1c2832;

    /* Paper / light surfaces */
    --paper: #f3f2ec;
    --paper-2: #eceae1;
    --surface: #ffffff;

    /* Text */
    --text: #15202b;
    --text-2: #4a5b68;
    --text-3: #788a97;
    --text-ondark: #e7eef4;
    --text-ondark-2: #9fb2c2;
    --text-ondark-3: #6c8194;

    /* Lines */
    --line: rgba(24, 55, 79, 0.13);
    --line-2: rgba(24, 55, 79, 0.08);

    /* Status */
    --green: #1f8f63;
    --green-bright: #4fc795;
    --green-tint: #e3f3ec;
    --amber: #b9772a;
    --rust: #b1502c;
    --red: #c14b38;

    /* Syntax highlighting (on dark) */
    --syn-comment: #5d7384;
    --syn-key: #7fb6df;
    --syn-string: #d9a45e;
    --syn-num: #8fd0ae;
    --syn-kw: #6fa8d6;
    --syn-type: #c79ce0;
    --syn-punc: #93a7b6;
    --syn-text: #c3d0db;

    --container: 80%;
    --radius: 10px;
    --radius-lg: 16px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);

    --font-display: "Space Grotesk", system-ui, sans-serif;
    --font-sans: "IBM Plex Sans", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-padding-top: 84px;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.6;
    color: var(--text);
    background: var(--paper);
    text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--text);
    margin: 0;
}

p {
    margin: 0;
}
a {
    color: inherit;
    text-decoration: none;
}

::selection {
    background: var(--pg);
    color: #fff;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
}

/* ---------- Reusable atoms ---------- */
.eyebrow {
    font-family: var(--font-mono);
    font-size: 12.5px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--pg);
    display: inline-flex;
    align-items: center;
    gap: 9px;
}
.eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pg);
}
.eyebrow--ondark {
    color: var(--pg-bright);
}
.eyebrow--ondark .dot {
    background: var(--pg-bright);
}

.section {
    padding: 104px 0;
    position: relative;
}
.section-head {
    max-width: 720px;
}
.section-head h2 {
    font-size: clamp(30px, 4vw, 46px);
    margin: 18px 0 0;
}
.section-head .lead {
    font-size: 19px;
    color: var(--text-2);
    margin-top: 20px;
    line-height: 1.55;
}

.kicker-num {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-3);
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    padding: 13px 20px;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.18s var(--ease);
    white-space: nowrap;
}
.btn-primary {
    background: var(--pg);
    color: #fff;
}
.btn-primary:hover {
    background: var(--pg-deep);
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--line);
}
.btn-ghost:hover {
    border-color: var(--pg);
    color: var(--pg);
}
.btn-ondark {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-ondark);
    border-color: var(--ink-line);
}
.btn-ondark:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--pg-bright);
}
.btn .arr {
    transition: transform 0.2s var(--ease);
}
.btn:hover .arr {
    transform: translateX(3px);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition:
        background 0.3s var(--ease),
        border-color 0.3s var(--ease),
        box-shadow 0.3s var(--ease);
    border-bottom: 1px solid transparent;
}
.nav.scrolled {
    background: rgba(243, 242, 236, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--line);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 28px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 11px;
}
.brand .logo {
    width: 30px;
    height: 30px;
}
.brand .wordmark {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
    color: var(--text);
}
.brand .wordmark b {
    color: var(--pg);
    font-weight: 600;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}
.nav-links a {
    font-family: var(--font-mono);
    font-size: 13.5px;
    color: var(--text-2);
    transition: color 0.15s;
    white-space: nowrap;
}
.nav-links a:hover {
    color: var(--pg);
}
.nav-cta {
    display: flex;
    align-items: center;
    gap: 14px;
}
.nav-gh {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-2);
}
.nav-gh:hover {
    color: var(--text);
}
.nav-burger {
    display: none;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    padding: 150px 0 96px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--line-2) 1px, transparent 1px);
    background-size: 26px 26px;
    mask-image: radial-gradient(
        ellipse 80% 70% at 30% 20%,
        #000 0%,
        transparent 75%
    );
    -webkit-mask-image: radial-gradient(
        ellipse 80% 70% at 30% 20%,
        #000 0%,
        transparent 75%
    );
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 60px;
    align-items: center;
    position: relative;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-2);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 14px 6px 8px;
    margin-bottom: 26px;
}
.hero-badge .tag {
    background: var(--pg-tint);
    color: var(--pg-deep);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
}
.hero h1 {
    font-size: clamp(40px, 6.2vw, 70px);
    letter-spacing: -0.035em;
    line-height: 1.02;
}
.hero h1 .accent {
    color: var(--pg);
}
.hero-sub {
    font-size: 20px;
    color: var(--text-2);
    margin-top: 24px;
    max-width: 600px;
    line-height: 1.5;
}
.hero-cta {
    display: flex;
    gap: 14px;
    margin-top: 34px;
    flex-wrap: wrap;
}
.hero-meta {
    display: flex;
    gap: 26px;
    margin-top: 34px;
    flex-wrap: wrap;
}
.hero-meta .item {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-3);
    display: flex;
    align-items: center;
    gap: 8px;
}
.hero-meta .item svg {
    color: var(--pg);
    flex: none;
}

/* One-liner candidates */
.oneliners {
    margin-top: 40px;
    border-top: 1px solid var(--line);
    padding-top: 22px;
}
.oneliners .label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 12px;
}
.oneliner {
    display: flex;
    gap: 12px;
    align-items: baseline;
    padding: 7px 0;
    font-size: 15px;
    color: var(--text-2);
}
.oneliner .n {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--pg);
    flex: none;
}

/* ============================================================
   TERMINAL / CODE PANELS
   ============================================================ */
.term {
    background: var(--ink);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--ink-line);
    box-shadow:
        0 30px 60px -24px rgba(13, 38, 59, 0.5),
        0 8px 24px -12px rgba(13, 38, 59, 0.3);
}
.term-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--ink-soft);
    border-bottom: 1px solid var(--ink-line-soft);
}
.term-dots {
    display: flex;
    gap: 7px;
}
.term-dots i {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #2d3c49;
    display: block;
}
.term-title {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-ondark-3);
    margin-left: 8px;
}
.term-title b {
    color: var(--text-ondark-2);
    font-weight: 500;
}
.term-actions {
    margin-left: auto;
}
.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-ondark-3);
    background: transparent;
    border: 1px solid var(--ink-line);
    border-radius: 6px;
    padding: 4px 9px;
    transition: all 0.15s;
}
.copy-btn:hover {
    color: var(--text-ondark);
    border-color: var(--pg-bright);
}
.copy-btn.copied {
    color: var(--green-bright);
    border-color: var(--green-bright);
}

.term-body {
    padding: 20px 22px;
    font-family: var(--font-mono);
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--syn-text);
    overflow-x: auto;
}
.term-body.sm {
    font-size: 12.5px;
    line-height: 1.7;
}
.term-body pre {
    margin: 0;
    font: inherit;
}

/* command line look */
.cmd {
    display: block;
    white-space: pre;
}
.cmd .prompt {
    color: var(--pg-bright);
    user-select: none;
}
.cmd .flag {
    color: var(--syn-key);
}
.cmd .arg {
    color: var(--syn-string);
}
.cmd .bin {
    color: var(--text-ondark);
    font-weight: 500;
}
.cmd .sub {
    color: var(--green-bright);
}
.out {
    display: block;
    white-space: pre;
    color: var(--text-ondark-3);
}
.out .ok {
    color: var(--green-bright);
}
.out .hl {
    color: var(--text-ondark);
}
.out .dim {
    color: var(--syn-comment);
}

/* syntax tokens (yaml / sql) */
.t-com {
    color: var(--syn-comment);
    font-style: italic;
}
.t-key {
    color: var(--syn-key);
}
.t-str {
    color: var(--syn-string);
}
.t-num {
    color: var(--syn-num);
}
.t-kw {
    color: var(--syn-kw);
}
.t-type {
    color: var(--syn-type);
}
.t-punc {
    color: var(--syn-punc);
}
.t-fn {
    color: var(--green-bright);
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem {
    background: var(--ink);
    color: var(--text-ondark);
}
.problem::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(
        rgba(255, 255, 255, 0.025) 1px,
        transparent 1px
    );
    background-size: 30px 30px;
    pointer-events: none;
}
.problem .section-head h2 {
    color: var(--text-ondark);
}
.problem .section-head .lead {
    color: var(--text-ondark-2);
}
.problem .kicker-num {
    color: var(--text-ondark-3);
}
.compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 56px;
    position: relative;
}
.compare-col {
    background: var(--ink-soft);
    border: 1px solid var(--ink-line-soft);
    border-radius: 14px;
    padding: 28px;
}
.compare-col.good {
    border-color: rgba(91, 155, 201, 0.4);
}
.compare-tag {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}
.compare-tag.bad {
    color: #c98b7a;
}
.compare-tag.ok {
    color: var(--pg-bright);
}
.compare-col h3 {
    color: var(--text-ondark);
    font-size: 21px;
    margin-bottom: 10px;
}
.compare-col p {
    color: var(--text-ondark-2);
    font-size: 15.5px;
    line-height: 1.55;
}
.mini-files {
    margin-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-family: var(--font-mono);
    font-size: 12.5px;
}
.mini-files .row {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-ondark-3);
    padding: 7px 11px;
    background: rgba(0, 0, 0, 0.22);
    border-radius: 6px;
    border: 1px solid var(--ink-line-soft);
}
.mini-files .row .ic {
    flex: none;
    opacity: 0.7;
}
.mini-files .row.hidden-state {
    color: #b07a6e;
}
.mini-files .row .obj {
    color: var(--syn-key);
}
.problem-note {
    margin-top: 40px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-ondark-2);
    display: flex;
    gap: 14px;
    align-items: flex-start;
    max-width: 760px;
}
.problem-note .arr {
    color: var(--pg-bright);
    flex: none;
}
.problem-note b {
    color: var(--text-ondark);
    font-weight: 600;
}

/* ============================================================
   VERBS / COMMANDS
   ============================================================ */
.verbs-tabs {
    display: flex;
    gap: 8px;
    margin-top: 48px;
    flex-wrap: wrap;
}
.verb-tab {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: left;
    cursor: pointer;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px 20px;
    min-width: 200px;
    flex: 1;
    transition: all 0.18s var(--ease);
}
.verb-tab:hover {
    border-color: var(--pg-bright);
}
.verb-tab.active {
    border-color: var(--pg);
    box-shadow:
        0 0 0 1px var(--pg),
        0 10px 24px -14px rgba(51, 103, 145, 0.5);
}
.verb-tab .vname {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 600;
    color: var(--pg);
    display: flex;
    align-items: center;
    gap: 9px;
}
.verb-tab .vname .num {
    color: var(--text-3);
    font-weight: 400;
    font-size: 12px;
}
.verb-tab .vdesc {
    font-size: 13.5px;
    color: var(--text-2);
}
.verb-panel {
    margin-top: 22px;
    display: none;
}
.verb-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: start;
}
.verb-detail h3 {
    font-size: 26px;
    margin-bottom: 12px;
}
.verb-detail p {
    color: var(--text-2);
    font-size: 16px;
    margin-bottom: 18px;
}
.verb-detail ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 11px;
}
.verb-detail li {
    display: flex;
    gap: 11px;
    font-size: 15px;
    color: var(--text-2);
    align-items: flex-start;
}
.verb-detail li svg {
    color: var(--pg);
    flex: none;
    margin-top: 3px;
}

/* ============================================================
   ROUND-TRIP PROOF
   ============================================================ */
.proof {
    background: linear-gradient(180deg, var(--pg-darker), var(--ink));
    color: var(--text-ondark);
    overflow: hidden;
}
.proof .section-head h2 {
    color: #fff;
}
.proof .section-head .lead {
    color: var(--text-ondark-2);
}
.proof .kicker-num {
    color: var(--text-ondark-3);
}
.pipeline {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-top: 56px;
    flex-wrap: wrap;
}
.pstep {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    text-align: center;
    padding: 0 4px;
}
.pstep .chip {
    font-family: var(--font-mono);
    font-size: 12.5px;
    padding: 12px 14px;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--ink-line);
    color: var(--text-ondark);
    width: 100%;
    transition: all 0.3s var(--ease);
}
.pstep .chip.tool {
    background: var(--pg);
    border-color: var(--pg-bright);
    color: #fff;
    font-weight: 500;
}
.pstep .chip.artifact {
    background: rgba(255, 255, 255, 0.04);
    border-style: dashed;
    color: var(--text-ondark-2);
}
.pstep .plabel {
    font-size: 11.5px;
    color: var(--text-ondark-3);
    font-family: var(--font-mono);
}
.pstep.lit .chip {
    box-shadow:
        0 0 0 2px var(--pg-bright),
        0 0 24px -4px var(--pg-bright);
}
.parrow {
    display: flex;
    align-items: center;
    color: var(--pg-bright);
    padding: 0 6px;
    align-self: flex-start;
    margin-top: 14px;
    flex: none;
}
.proof-result {
    margin-top: 44px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    background: rgba(31, 143, 99, 0.1);
    border: 1px solid rgba(79, 199, 149, 0.35);
    border-radius: 14px;
    padding: 24px 28px;
}
.proof-result .check {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(79, 199, 149, 0.16);
    display: grid;
    place-items: center;
    color: var(--green-bright);
    flex: none;
}
.proof-result .rtext {
    flex: 1;
    min-width: 240px;
}
.proof-result .rtext .big {
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--green-bright);
    font-weight: 600;
}
.proof-result .rtext .small {
    font-size: 14.5px;
    color: var(--text-ondark-2);
    margin-top: 4px;
}
.proof-result .ci {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-ondark-3);
    background: var(--ink);
    border: 1px solid var(--ink-line);
    border-radius: 8px;
    padding: 10px 14px;
}
.proof-result .ci .pass {
    color: var(--green-bright);
}
.proof-demo {
    margin-top: 36px;
}

/* ============================================================
   NO MANIFEST / DEPENDENCY GRAPH
   ============================================================ */
.graph {
    background: var(--paper);
}
.graph-grid {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
    gap: 40px;
    margin-top: 52px;
    align-items: center;
}
.graph-card {
    background: var(--ink);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius-lg);
    padding: 22px 22px 18px;
    box-shadow: 0 30px 60px -28px rgba(13, 38, 59, 0.5);
}
.graph-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--ink-line-soft);
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.graph-head .gh-title {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-ondark-2);
    font-weight: 500;
}
.graph-head .gh-sub {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--green-bright);
}
.dep-svg {
    width: 100%;
    height: auto;
    display: block;
}
.dep-svg .gnode rect {
    fill: var(--ink-soft);
    stroke: var(--ink-line);
    stroke-width: 1.4;
    transition:
        stroke 0.3s var(--ease),
        fill 0.3s var(--ease);
}
.dep-svg .gnode text {
    font-family: var(--font-mono);
    font-size: 12px;
    fill: var(--text-ondark-2);
    text-anchor: middle;
    dominant-baseline: middle;
}
.dep-svg .gnode.root rect {
    fill: var(--pg);
    stroke: var(--pg-bright);
}
.dep-svg .gnode.root text {
    fill: #fff;
    font-weight: 600;
    font-size: 13px;
}
.dep-svg .edges path {
    stroke-dasharray: 220;
    stroke-dashoffset: 220;
}
.js .graph.in-view .dep-svg .edges path {
    animation: drawEdge 1s var(--ease) forwards;
}
.js .graph.in-view .dep-svg .edges path:nth-child(2) {
    animation-delay: 0.12s;
}
.js .graph.in-view .dep-svg .edges path:nth-child(3) {
    animation-delay: 0.24s;
}
.js .graph.in-view .dep-svg .edges path:nth-child(4) {
    animation-delay: 0.3s;
}
.js .graph.in-view .dep-svg .edges path:nth-child(5) {
    animation-delay: 0.36s;
}
.js .graph.in-view .dep-svg .edges path:nth-child(6) {
    animation-delay: 0.42s;
}
@keyframes drawEdge {
    to {
        stroke-dashoffset: 0;
    }
}
@media (prefers-reduced-motion: reduce) {
    .dep-svg .edges path {
        stroke-dashoffset: 0 !important;
        animation: none !important;
    }
}
.graph-foot {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-ondark-3);
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--ink-line-soft);
    display: flex;
    gap: 8px;
    align-items: baseline;
}
.graph-foot .gf-prompt {
    color: var(--pg-bright);
}
.graph-copy {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.gc-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.gc-item .gc-x {
    font-family: var(--font-mono);
    font-size: 15px;
    color: var(--rust);
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: rgba(177, 80, 44, 0.1);
    display: grid;
    place-items: center;
    flex: none;
    margin-top: 2px;
}
.gc-item .gc-check {
    color: var(--green);
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: var(--green-tint);
    display: grid;
    place-items: center;
    flex: none;
    margin-top: 2px;
}
.gc-item b {
    font-size: 17px;
    color: var(--text);
    letter-spacing: -0.01em;
}
.gc-item p {
    font-size: 15px;
    color: var(--text-2);
    line-height: 1.55;
    margin-top: 5px;
}

/* ============================================================
   DIFFERENTIATORS
   ============================================================ */
.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin-top: 56px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.diff-card {
    background: var(--surface);
    padding: 30px 28px;
    transition: background 0.2s;
}
.diff-card:hover {
    background: var(--pg-tint-2);
}
.diff-card .ic {
    width: 40px;
    height: 40px;
    border-radius: 9px;
    background: var(--pg-tint);
    color: var(--pg-deep);
    display: grid;
    place-items: center;
    margin-bottom: 18px;
}
.diff-card h3 {
    font-size: 18.5px;
    margin-bottom: 9px;
    letter-spacing: -0.01em;
}
.diff-card p {
    font-size: 14.5px;
    color: var(--text-2);
    line-height: 1.55;
}
.diff-card .tag {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--pg);
    margin-top: 14px;
    display: inline-block;
}

/* ============================================================
   REAL CONTENT (YAML / ACL / TREE)
   ============================================================ */
.real {
    background: var(--paper-2);
}
.real-tabs {
    display: inline-flex;
    gap: 4px;
    margin-top: 44px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 5px;
}
.real-tab {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-2);
    padding: 9px 16px;
    border-radius: 7px;
    cursor: pointer;
    border: none;
    background: transparent;
    transition: all 0.15s;
}
.real-tab:hover {
    color: var(--text);
}
.real-tab.active {
    background: var(--pg);
    color: #fff;
}
.real-panel {
    display: none;
    margin-top: 24px;
}
.real-panel.active {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 28px;
    align-items: start;
}
.real-aside h3 {
    font-size: 22px;
    margin-bottom: 12px;
}
.real-aside p {
    color: var(--text-2);
    font-size: 15.5px;
    margin-bottom: 16px;
    line-height: 1.55;
}
.real-aside .note {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-3);
    border-left: 2px solid var(--pg);
    padding: 4px 0 4px 14px;
}
.real-aside ul {
    list-style: none;
    padding: 0;
    margin: 16px 0 0;
    display: flex;
    flex-direction: column;
    gap: 9px;
}
.real-aside li {
    display: flex;
    gap: 10px;
    font-size: 14.5px;
    color: var(--text-2);
}
.real-aside li svg {
    color: var(--pg);
    flex: none;
    margin-top: 4px;
}

/* directory tree */
.tree {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.95;
    color: var(--syn-text);
    white-space: pre;
}
.tree .dir {
    color: var(--pg-bright);
}
.tree .file {
    color: var(--text-ondark-2);
}
.tree .com {
    color: var(--syn-comment);
}
.tree .pipe {
    color: var(--text-ondark-3);
}

/* ============================================================
   UNDER THE HOOD
   ============================================================ */
.hood {
    background: var(--ink);
    color: var(--text-ondark);
}
.hood .section-head h2 {
    color: #fff;
}
.hood .section-head .lead {
    color: var(--text-ondark-2);
}
.hood .kicker-num {
    color: var(--text-ondark-3);
}
.crates {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 52px;
}
.crate {
    background: var(--ink-soft);
    border: 1px solid var(--ink-line-soft);
    border-radius: 12px;
    padding: 26px;
}
.crate .cname {
    font-family: var(--font-mono);
    font-size: 15px;
    color: var(--pg-bright);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 12px;
}
.crate .cname a {
    color: inherit;
    text-decoration: none;
}
.crate .cname a:hover {
    text-decoration: underline;
}
.crate p {
    font-size: 14.5px;
    color: var(--text-ondark-2);
    line-height: 1.55;
}
.hood-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 28px;
}
.hood-panel {
    background: var(--ink-soft);
    border: 1px solid var(--ink-line-soft);
    border-radius: 12px;
    padding: 26px 28px;
}
.hood-panel h3 {
    color: var(--text-ondark);
    font-size: 19px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.hood-panel p {
    color: var(--text-ondark-2);
    font-size: 15px;
    line-height: 1.55;
}
.hood-panel .foot {
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-ondark-3);
    border-top: 1px solid var(--ink-line-soft);
    padding-top: 14px;
}
.badge-rust {
    font-family: var(--font-mono);
    font-size: 11px;
    background: rgba(177, 80, 44, 0.2);
    color: #e08a64;
    padding: 3px 9px;
    border-radius: 999px;
    border: 1px solid rgba(177, 80, 44, 0.4);
}
.badge-7y {
    font-family: var(--font-mono);
    font-size: 11px;
    background: rgba(91, 155, 201, 0.16);
    color: var(--pg-bright);
    padding: 3px 9px;
    border-radius: 999px;
}

/* roadmap */
.roadmap {
    margin-top: 28px;
    background: var(--ink-soft);
    border: 1px solid var(--ink-line-soft);
    border-radius: 12px;
    padding: 26px 28px;
}
.roadmap-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}
.roadmap-head h3 {
    color: var(--text-ondark);
    font-size: 18px;
}
.pill {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: rgba(185, 119, 42, 0.18);
    color: #d99a4e;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(185, 119, 42, 0.4);
}
.roadmap-head .pill {
    padding: 4px 10px;
}
.roadmap-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.roadmap-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.roadmap-item .rstate {
    font-family: var(--font-mono);
    font-size: 11px;
    color: #d99a4e;
    border: 1px dashed rgba(185, 119, 42, 0.5);
    border-radius: 5px;
    padding: 2px 7px;
    flex: none;
    margin-top: 2px;
}
.roadmap-item .rbody b {
    color: var(--text-ondark);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
}
.roadmap-item .rbody p {
    color: var(--text-ondark-2);
    font-size: 13.5px;
    margin-top: 3px;
}

/* ============================================================
   FOOTER CTA + FOOTER
   ============================================================ */
.cta {
    background: var(--pg);
    color: #fff;
    text-align: center;
    padding: 96px 0;
    position: relative;
    overflow: hidden;
}
.cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(
        rgba(255, 255, 255, 0.07) 1px,
        transparent 1px
    );
    background-size: 28px 28px;
    mask-image: radial-gradient(
        ellipse 60% 80% at 50% 0%,
        #000,
        transparent 70%
    );
    -webkit-mask-image: radial-gradient(
        ellipse 60% 80% at 50% 0%,
        #000,
        transparent 70%
    );
}
.cta-inner {
    position: relative;
    max-width: 80%;
    margin: 0 auto;
}
.cta h2 {
    color: #fff;
    font-size: clamp(32px, 5vw, 52px);
    letter-spacing: -0.03em;
}
.cta p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 19px;
    margin-top: 18px;
}
.cta-install {
    margin: 34px auto 0;
    text-align: center;
}
.cta-install .term {
    box-shadow: 0 24px 50px -20px rgba(0, 0, 0, 0.45);
    max-width: 560px;
    text-align: left;
    margin-left: auto;
    margin-right: auto;
}
.cta-btns {
    display: flex;
    gap: 14px;
    justify-content: center;
    margin-top: 28px;
    flex-wrap: wrap;
}
.install-tabs {
    display: inline-flex;
    gap: 4px;
    margin-top: 34px;
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 5px;
}
.install-tab {
    font-family: var(--font-mono);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    padding: 9px 16px;
    border-radius: 7px;
    cursor: pointer;
    border: none;
    background: transparent;
    transition: all 0.15s;
}
.install-tab:hover {
    color: #fff;
}
.install-tab.active {
    background: rgba(255, 255, 255, 0.92);
    color: var(--pg-deep);
}
.install-panel {
    display: none;
}
.install-panel.active {
    display: block;
}
.install-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 14px;
    text-align: center;
    white-space: nowrap;
    margin-left: auto;
    margin-right: auto;
}
.install-note code {
    background: rgba(255, 255, 255, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}
.binary-install {
    padding: 36px 0 8px;
}
.binary-lead {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
}
.btn-onpg {
    background: #fff;
    color: var(--pg-deep);
}
.btn-onpg:hover {
    background: var(--paper);
    transform: translateY(-1px);
}
.btn-onpg-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}
.btn-onpg-ghost:hover {
    background: rgba(255, 255, 255, 0.18);
}

.footer {
    background: var(--ink);
    color: var(--text-ondark-2);
    padding: 64px 0 40px;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
    border-bottom: 1px solid var(--ink-line-soft);
}
.footer-brand .brand .wordmark {
    color: var(--text-ondark);
}
.footer-brand p {
    font-size: 14px;
    color: var(--text-ondark-3);
    margin-top: 16px;
    max-width: 280px;
    line-height: 1.6;
}
.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-ondark-3);
    margin-bottom: 16px;
    font-weight: 500;
}
.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--text-ondark-2);
    padding: 5px 0;
    transition: color 0.15s;
}
.footer-col a:hover {
    color: var(--pg-bright);
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 28px;
    gap: 20px;
    flex-wrap: wrap;
}
.footer-license {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-ondark-3);
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-license .lic {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.made-by {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    background: var(--ink-soft);
    border: 1px solid var(--ink-line-soft);
    border-radius: 999px;
    padding: 8px 16px 8px 10px;
    transition: all 0.18s var(--ease);
}
.made-by:hover {
    border-color: var(--pg-bright);
    transform: translateY(-1px);
}
.made-by img {
    width: 26px;
    height: 26px;
}
.made-by .mb-text {
    font-family: var(--font-mono);
    font-size: 12.5px;
    line-height: 1.2;
}
.made-by .mb-text .top {
    color: var(--text-ondark-3);
    font-size: 10.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.made-by .mb-text .name {
    color: var(--text-ondark);
    font-weight: 500;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
/* Base = visible end-state (safe for no-JS, print, PDF, reduced-motion).
   Hidden state only applies once JS opts in, then animates back to visible. */
.reveal {
    transition:
        opacity 0.7s var(--ease),
        transform 0.7s var(--ease);
}
.js .reveal {
    opacity: 0;
    transform: translateY(22px);
}
.js .reveal.in {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    .js .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }
    .verb-panel.active,
    .real-panel.active {
        grid-template-columns: 1fr;
    }
    .diff-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .crates {
        grid-template-columns: 1fr;
    }
    .graph-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hood-strip,
    .roadmap-items,
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    .footer-top {
        gap: 32px 24px;
    }
}
@media (max-width: 720px) {
    .container {
        padding: 0 22px;
    }
    .section {
        padding: 76px 0;
    }
    .nav-links {
        display: none;
    }
    .compare {
        grid-template-columns: 1fr;
    }
    .diff-grid {
        grid-template-columns: 1fr;
    }
    .pipeline {
        flex-direction: column;
        align-items: stretch;
    }
    .pstep {
        flex-direction: row;
        align-items: center;
        gap: 14px;
        text-align: left;
    }
    .pstep .chip {
        width: auto;
        flex: 1;
    }
    .parrow {
        transform: rotate(90deg);
        align-self: center;
        margin: 2px 0;
        padding: 0;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
    .hood-strip,
    .roadmap-items {
        grid-template-columns: 1fr;
    }
}