/* PDF Archiver — pdf-archiver.io
   Warm paper throughout, one dark card for "Keep it.", and the filename as the page's
   signature: typed out in the hero, at rest at the end, its separators reused as dividers. */

:root {
    color-scheme: light dark;

    /* Brand: the navy of the app icon, the coral of the app's accent colour. */
    --ink: #141c27;
    --paper: #fbf7f6;
    --paper-sunk: #f3eae8;
    --coral: #ca414f;
    --coral-bright: #e66967;

    --text: #23282f;
    --text-soft: #5c626b;
    --rule: #e6dbd8;
    --card: #fff;

    --surface: var(--paper);
    --surface-sunk: var(--paper-sunk);
    --accent: var(--coral);


    --wrap: 72rem;
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #161d26;
        --paper-sunk: #1f2833;
        --card: #1c2531;
        --text: #e7ebf0;
        --text-soft: #a3aebc;
        --rule: #2c3644;
        --accent: var(--coral-bright);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--surface);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.08;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

p {
    margin: 0 0 1.1em;
}

a {
    color: var(--accent);
    text-underline-offset: 0.18em;
}

img,
svg {
    max-width: 100%;
    height: auto;
    display: block;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

code,
kbd,
pre {
    font-family: var(--font-mono);
}

/* ---------- Layout ---------- */

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.wrap.narrow {
    max-width: 44rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

.section-title {
    font-size: clamp(1.7rem, 3.2vw, 2.3rem);
    font-weight: 700;
    color: var(--text);
    text-align: center;
}

.section-lead {
    margin: 0.6rem auto 0;
    max-width: 32em;
    color: var(--text-soft);
    font-size: 1.05rem;
    text-align: center;
}

/* `margin-block`, not `margin`: a blanket reset would cancel the `margin-inline: auto`
   this element inherits from `.wrap` and push the divider off-centre. */
.divider {
    margin-block: 0;
    border: 0;
    border-top: 1px solid var(--rule);
}

/* ---------- Buttons ---------- */

.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.7rem;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 12px 24px -10px color-mix(in srgb, var(--accent) 70%, transparent);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px -10px color-mix(in srgb, var(--accent) 70%, transparent);
    color: #fff;
}

.button-ghost {
    background: transparent;
    color: var(--text);
    box-shadow: inset 0 0 0 1.5px var(--rule);
}

.button-ghost:hover {
    background: var(--surface-sunk);
    color: var(--text);
    box-shadow: inset 0 0 0 1.5px var(--rule);
}

.badge-appstore {
    display: inline-flex;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.badge-appstore img {
    height: 48px;
    width: auto;
}

.badge-appstore:hover {
    transform: translateY(-2px);
    opacity: 0.88;
}

/* ---------- Header: transparent at rest, a floating pill once scrolled ---------- */

.site-header {
    padding-block: 1.3rem;
    position: sticky;
    top: 0;
    z-index: 30;
    background: transparent;
    transition: padding-block 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header-inner {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 4vw, 2.5rem);
    border: 1px solid transparent;
    border-radius: 999px;
    background: transparent;
    transition:
        border-color 0.4s ease,
        max-width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        padding-block 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        padding-inline 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        gap 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        background-color 0.4s ease,
        box-shadow 0.4s ease;
}

.site-header.is-scrolled {
    padding-block: 0.7rem;
}

.site-header.is-scrolled .site-header-inner {
    max-width: min(54rem, 94vw);
    padding-block: 0.55rem;
    padding-inline: 1.2rem 0.55rem;
    gap: clamp(0.75rem, 3vw, 1.75rem);
    border-color: var(--rule);
    background: color-mix(in srgb, var(--card) 97%, transparent);
    backdrop-filter: blur(24px) saturate(1.6);
    -webkit-backdrop-filter: blur(24px) saturate(1.6);
    box-shadow:
        0 10px 20px -8px rgba(20, 28, 39, 0.22),
        0 28px 55px -22px rgba(20, 28, 39, 0.4);
}

.site-name {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    color: var(--text);
    text-decoration: none;
}

.site-icon {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    flex: none;
}

.site-nav {
    margin-inline-start: auto;
}

.site-nav ul,
.footer-links,
.help-links {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav ul {
    gap: clamp(1rem, 3vw, 2rem);
}

.site-nav a {
    color: var(--text-soft);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

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

/* Scoped under `.site-nav` so it outweighs `.site-nav a`, which would otherwise
   paint the pill's label in the same colour as its background. */
/* Inline-flex, not inline: an inline box's vertical padding only paints, so the pill
   would overflow the header frame instead of keeping the frame's 0.55rem gap all round. */
.site-nav .nav-cta {
    display: inline-flex;
    align-items: center;
    line-height: 1;
    background: var(--accent);
    color: #fff;
    padding: 0.55rem 1.2rem;
    border-radius: 999px;
}

.site-nav .nav-cta:hover {
    background: var(--coral-bright);
    color: #fff;
}

/* Quiet on purpose: it sits inside the navigation and should never pull attention away
   from the download button next to it. */
.language-toggle {
    display: inline-flex;
    align-items: baseline;
    gap: 0.3rem;
    font-size: 0.85rem;
}

.language-toggle a {
    color: var(--text-soft);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.75;
}

.language-toggle a:hover {
    color: var(--accent);
    opacity: 1;
}

.language-toggle [aria-current="page"] {
    color: var(--text);
    font-weight: 700;
    opacity: 1;
}

.language-sep {
    color: var(--rule);
}

/* ---------- Hero: the product demonstrates itself ---------- */

.hero {
    padding-block: clamp(4rem, 9vw, 6.5rem) clamp(3rem, 7vw, 5rem);
    text-align: center;
}

.hero-copy {
    max-width: 40rem;
    margin-inline: auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5.6vw, 4rem);
    font-weight: 700;
    color: var(--text);
}

.hero-title .accent {
    color: var(--accent);
}

.hero-lead {
    margin: 1.25rem auto 0;
    max-width: 32em;
    font-size: clamp(1.05rem, 1.8vw, 1.2rem);
    color: var(--text-soft);
}

.hero-cta-row {
    margin-top: 1.9rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.trust-line {
    margin-top: 1.3rem;
    font-size: 0.88rem;
    color: var(--text-soft);
}

/* The Mastodon verification link has to be in the markup, not on display. */
.verify-link {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
}

/* ---------- The signature: the filename, typed out ---------- */

.sig-card {
    margin: clamp(3.5rem, 7vw, 5.5rem) auto 0;
    max-width: 40rem;
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 1.5rem;
    padding: clamp(1.25rem, 4vw, 2.25rem);
    box-shadow: 0 24px 50px -32px rgba(20, 28, 39, 0.22);
}

/* Container query units size the filename to the card's actual rendered width, at any
   viewport, instead of a viewport-relative guess. */
.sig-line-wrap {
    min-width: 0;
    overflow-x: auto;
    container-type: inline-size;
}

.sig-reveal {
    display: block;
    overflow: hidden;
    white-space: nowrap;
    clip-path: inset(0 100% 0 0);
    animation: reveal-type 1.7s steps(46, end) 0.4s both;
}

@keyframes reveal-type {
    to {
        clip-path: inset(0 0 0 0);
    }
}

.sig-line {
    display: inline-flex;
    align-items: flex-start;
    font-family: var(--font-mono);
    /* Monospace advances at about 0.6em, so this is the largest size at which the whole
       name still fits the card — whatever its length in this language. */
    font-size: clamp(0.5rem, calc(155cqw / var(--sig-chars, 46)), 2rem);
    font-weight: 600;
    white-space: nowrap;
    text-align: left;
}

.sig-part {
    display: flex;
    flex-direction: column;
}

/* Value and label share a flex column, so the label sits exactly under its value. */
.sig-label {
    margin-top: 0.55rem;
    padding-top: 0.4rem;
    border-top: 1.5px solid currentcolor;
    font-family: var(--font-body);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0;
    animation: labels-in 0.4s ease both;
}

@keyframes labels-in {
    to {
        opacity: 0.75;
    }
}

/* Each label appears the moment the wipe finishes typing the word above it. */
.sig-date {
    color: var(--text-soft);
}

.sig-date .sig-label {
    animation-delay: 0.78s;
}

.sig-desc {
    color: var(--text);
}

.sig-desc .sig-label {
    animation-delay: 1.48s;
}

.sig-tags {
    color: var(--accent);
}

.sig-tags .sig-label {
    animation-delay: 1.96s;
}

.sig-sep,
.sig-ext {
    color: #b9c2cc;
    align-self: flex-start;
}

/* ---------- Workflow cards ---------- */

.features-wrap {
    padding-block: clamp(4rem, 8vw, 6rem);
}

.feature-cards {
    margin-top: 2.75rem;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 1.25rem;
    padding: clamp(1.5rem, 4vw, 2rem);
}

.feature-card-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--surface-sunk);
    border-radius: 50%;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
}

/* A subtitle, not a second heading: size keeps it above the body copy, while the lighter
   weight and softer colour stop it competing with the step title. */
.feature-card .feature-lead {
    margin: 0.5rem 0 1.35rem;
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--text-soft);
}

.feature-card p:not(.feature-lead) {
    margin-bottom: 0;
    color: var(--text-soft);
    font-size: 0.96rem;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.chips code {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: var(--surface-sunk);
    color: var(--accent);
    font-size: 0.84rem;
}

/* ---------- Spotlight ---------- */

/* Tight against the cards above — same chapter, no divider — but the full rhythm below,
   so the "__" divider sits centred in its gap. */
.spotlight-wrap {
    padding-block: clamp(1rem, 4vw, 2rem) clamp(4rem, 8vw, 6rem);
}

.spotlight {
    background: var(--surface-sunk);
    border: 1px solid var(--rule);
    border-radius: 1.5rem;
    padding: clamp(2rem, 5vw, 3.5rem);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
}

.spotlight-title {
    margin-bottom: 0.7rem;
    font-size: clamp(1.4rem, 2.6vw, 1.85rem);
    font-weight: 700;
}

.spotlight p {
    color: var(--text-soft);
}

.spotlight p:last-child {
    margin-bottom: 0;
}

@media (max-width: 800px) {
    .spotlight {
        grid-template-columns: 1fr;
    }
}

/* The screenshot is a bare capture, so the rounding and shadow give it its device edge.
   Cropped from the top: the first rows of the archive carry the message. */
.spotlight-shot {
    width: 100%;
    max-width: 22rem;
    max-height: 30rem;
    margin-inline: auto;
    object-fit: cover;
    object-position: top;
    border-radius: 1.5rem;
    box-shadow: 0 30px 60px -30px rgba(20, 28, 39, 0.5);
    /* The crop would otherwise cut a row in half; fading it out reads as "the list goes on". */
    mask-image: linear-gradient(to bottom, #000 80%, transparent);
}

/* ---------- Keep it: the arc closes, same filename, at rest ---------- */

.keep-wrap {
    padding-block: clamp(4rem, 8vw, 6rem);
}

/* Light like the rest of the page — only the mono blocks inside stay dark, because that
   is where the filename's colour coding needs the contrast. */
.keep-card {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 1.5rem;
    padding: clamp(2rem, 5vw, 3.5rem);
}

.keep-card .section-title {
    text-align: start;
}

.keep-lead {
    margin-top: 0.6rem;
    color: var(--text-soft);
    font-weight: 600;
}

.filename {
    margin: 2rem 0;
    padding: clamp(1.1rem, 3vw, 1.75rem);
    background: var(--ink);
    border-radius: 1rem;
    overflow-x: auto;
}

.filename-line {
    display: flex;
    align-items: flex-start;
    font-family: var(--font-mono);
    font-size: clamp(0.9rem, 2vw, 1.35rem);
    white-space: nowrap;
}

.filename-part {
    display: flex;
    flex-direction: column;
}

.filename-value {
    font-weight: 600;
}

.filename-label {
    margin-top: 0.55rem;
    padding-top: 0.4rem;
    border-top: 1.5px solid currentcolor;
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.7;
}

.part-date {
    color: #a2aebd;
}

.part-desc {
    color: #fff;
}

/* Tags are coral here and in the search chips above — same colour, same idea. */
.part-tags {
    color: var(--coral-bright);
}

.filename-sep {
    color: #566073;
}

.tree {
    margin: 0;
    padding: clamp(1rem, 2.5vw, 1.4rem);
    background: var(--ink);
    border-radius: 1rem;
    color: #a2aebd;
    font-size: 0.85rem;
    line-height: 1.6;
    overflow-x: auto;
}

.keep-body p {
    color: var(--text-soft);
}

/* ---------- Promises ---------- */

.promises-wrap {
    padding-block: clamp(4rem, 8vw, 6rem);
}

.promises {
    margin: 2.75rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 1.75rem 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
}

.promise-item {
    display: flex;
    gap: 1rem;
}

.promise-icon {
    flex: none;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--surface-sunk);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.promise-item h3 {
    font-size: 1rem;
    font-weight: 600;
}

.promise-item p {
    margin: 0.35rem 0 0;
    color: var(--text-soft);
    font-size: 0.94rem;
}

/* ---------- Testimonials ---------- */

.testimonials-wrap {
    padding-block: clamp(4rem, 8vw, 6rem);
}

.testimonials {
    margin: 2.75rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}

.testimonials figure {
    height: 100%;
    margin: 0;
    padding: clamp(1.5rem, 3.5vw, 1.75rem);
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 1.25rem;
}

.t-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.testimonials blockquote {
    margin: 0;
}

.testimonials blockquote p {
    margin: 0;
    font-size: 0.97rem;
}

.testimonials figcaption {
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--accent);
}

/* ---------- Trial ---------- */

.trial-wrap {
    padding-block: clamp(4rem, 8vw, 6rem);
}

.trial {
    text-align: center;
    padding: clamp(2.5rem, 6vw, 4rem);
    border: 1px solid var(--rule);
    border-radius: 1.5rem;
    background: var(--surface-sunk);
}

.trial p {
    max-width: 30em;
    margin-inline: auto;
    color: var(--text-soft);
}

.trial .badge-appstore {
    margin-inline: auto;
}

/* ---------- Help ---------- */

.help-wrap {
    padding-block: clamp(1rem, 4vw, 2rem) clamp(4rem, 8vw, 6rem);
    text-align: center;
}

.help-cta {
    margin-top: 1.5rem;
}

.help-fallback {
    margin-top: 2rem;
    color: var(--text-soft);
    font-size: 0.95rem;
}

.help-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1.4rem;
    font-size: 0.95rem;
}

/* ---------- Prose pages: FAQ, legal texts, 404 ---------- */

.prose-wrap {
    padding-block: clamp(3rem, 7vw, 5rem);
}

.prose h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.prose h2 {
    margin-top: 2.5rem;
    font-size: 1.4rem;
    font-weight: 700;
}

.prose h3 {
    margin-top: 1.75rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.prose ul,
.prose ol {
    padding-inline-start: 1.3rem;
}

.prose li {
    margin-bottom: 0.4rem;
}

.prose pre {
    padding: 1rem 1.25rem;
    background: var(--surface-sunk);
    border-radius: 0.75rem;
    font-size: 0.85rem;
    overflow-x: auto;
}

.prose :not(pre) > code {
    padding: 0.15em 0.4em;
    border-radius: 4px;
    background: var(--surface-sunk);
    font-size: 0.9em;
}

.prose kbd {
    padding: 0.15em 0.45em;
    border: 1px solid var(--rule);
    border-bottom-width: 2px;
    border-radius: 5px;
    background: var(--surface-sunk);
    font-size: 0.85em;
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.prose th,
.prose td {
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid var(--rule);
    text-align: start;
    vertical-align: top;
}

/* Dates and short labels keep to one line; only the last column wraps. */
.prose td:not(:last-child) {
    white-space: nowrap;
}

.faq-entry {
    padding-top: 2.25rem;
    border-top: 1px solid var(--rule);
    margin-top: 2.25rem;
}

.faq-entry h2 {
    margin-top: 0;
    scroll-margin-top: 5rem;
}

/* ---------- Footer ---------- */

.site-footer {
    padding-block: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--text-soft);
    font-size: 0.92rem;
    text-align: center;
}

.footer-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1.4rem;
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--rule);
}

.footer-links a {
    color: var(--text-soft);
    text-decoration: none;
}

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

.copyright {
    margin: 0.35rem 0;
}

@media (max-width: 720px) {
    .site-nav ul li:not(:has(.nav-cta)) {
        display: none;
    }
}

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

    .button,
    .badge-appstore,
    .site-header,
    .site-header-inner {
        transition: none;
    }

    .button:hover,
    .badge-appstore:hover {
        transform: none;
    }

    .sig-reveal {
        animation: none;
        clip-path: inset(0 0 0 0);
    }

    .sig-label {
        animation: none;
        opacity: 0.75;
    }
}