/* BirdDoc public landing — the apex pages on the app's shared brand layer.
 *
 * The palette and type families are NOT defined here: they come from the
 * canonical brand-tokens.css (the warm cream paper, the ink, the warm
 * ink-brown accent, Lora + Inter), linked ahead of this file and shipped
 * byte-identical to the Angular app (ADR 0009). This file maps those --bd-*
 * tokens onto the landing's own semantic names and keeps the record-card
 * layout — one brand across birddoc.eu and app.birddoc.eu. */

:root {
    --paper: var(--bd-paper);
    --card: var(--bd-paper-elev);
    --ink: var(--bd-ink);
    --muted: var(--bd-ink-soft);
    --line: var(--bd-line);
    --accent: var(--bd-accent);
    --accent-strong: var(--bd-accent-deep);
    --accent-tint: color-mix(in srgb, var(--bd-accent) 18%, transparent);
    --danger: var(--bd-error);
    --radius: 10px;
    --measure: 34rem;
    /* Body + headings come from brand-tokens.css (Inter / Lora). A monospace
       face stays for the small field-record labels (eyebrows, tags). */
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--paper);
    color: var(--ink);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Header — a slim band echoing the engraved edge of a ring */
.site-header {
    border-bottom: 1px solid var(--line);
}

.site-header__inner,
.site-main,
.site-footer__inner {
    width: 100%;
    max-width: var(--measure);
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.site-header__inner {
    padding-top: 1rem;
    padding-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--ink);
    /* The app's nav brand: Lora, mixed-case, 18px beside a 28px mark. */
    font-family: 'Lora', Georgia, serif;
    font-weight: 600;
    font-size: 1.125rem;
}

.wordmark__mark {
    width: 1.75rem;
    height: 1.75rem;
    flex: none;
}

.wordmark:hover {
    color: var(--accent-strong);
}

/* Reduced header — the auth + legal destinations carry only the wordmark and a
   quiet "back" link to the marketing home, in place of the full marketing nav
   (issue #102). The marketing home leaves the slot empty. */
.site-header__back {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    text-decoration: none;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.site-header__back:hover {
    color: var(--accent-strong);
}

.site-header__back-arrow {
    font-size: 1.05em;
    line-height: 1;
}

/* Centred content column */
.site-main {
    flex: 1 0 auto;
    padding-top: 3rem;
    padding-bottom: 3rem;
}

/* The field record card — signature brass top edge */
.panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 2rem 1.75rem 2.25rem;
    box-shadow:
        0 1px 2px rgba(32, 39, 31, 0.04),
        0 18px 40px -30px rgba(32, 39, 31, 0.45);
}

.panel h1 {
    margin: 0 0 0.6rem;
    font-size: 1.6rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.panel p {
    margin: 0 0 1.2rem;
    color: var(--muted);
}

.panel a {
    color: var(--accent-strong);
    text-underline-offset: 2px;
}

/* Eyebrow — a mono field-record label above the heading */
.panel p.eyebrow {
    margin-bottom: 0.6rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.72rem;
    color: var(--accent);
}

/* Forms (Django's {{ form.as_p }} output) */
.panel form p {
    margin: 0 0 1.15rem;
}

.panel label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--ink);
    font-weight: 600;
    font-size: 0.85rem;
}

.panel input[type="email"],
.panel input[type="password"],
.panel input[type="text"] {
    width: 100%;
    padding: 0.6rem 0.7rem;
    font: inherit;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.panel input:focus-visible {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-tint);
}

.helptext {
    display: block;
    margin-top: 0.4rem;
    color: var(--muted);
    font-size: 0.8rem;
}

.helptext ul {
    margin: 0.3rem 0 0;
    padding-left: 1.1rem;
}

.button {
    appearance: none;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: #fff;
    background: var(--accent);
    border: 1px solid var(--accent-strong);
    border-radius: 8px;
    padding: 0.65rem 1.25rem;
    margin-top: 0.25rem;
}

.button:hover {
    background: var(--accent-strong);
}

.button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-tint);
}

.errorlist {
    list-style: none;
    margin: 0 0 0.6rem;
    padding: 0;
    color: var(--danger);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ── Landing hero ─────────────────────────────────────────────────────── */

/* Beta badge — a small brass pill riding alongside the wordmark heading */
.badge {
    display: inline-block;
    vertical-align: middle;
    margin-left: 0.5rem;
    padding: 0.12em 0.6em;
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 0.62em;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.badge--beta {
    color: #fff;
    background: var(--accent);
    border: 1px solid var(--accent-strong);
}

.panel p.lead {
    font-size: 1.08rem;
    color: var(--ink);
}

/* Austria/EU hosting reassurance — a quiet bordered field-note */
.hosting {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    margin: 1.5rem 0;
    padding: 0.9rem 1rem;
    background: var(--paper);
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
}

.hosting__flag {
    font-size: 1.25rem;
    line-height: 1.4;
}

.hosting p {
    margin: 0;
    font-size: 0.92rem;
}

/* Price-teaser — three field-record rows, each tagged with a mono chip */
.pricing {
    margin-top: 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.pricing h2 {
    margin: 0 0 0.9rem;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.price-teaser {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.7rem;
}

.price-teaser li {
    color: var(--muted);
    font-size: 0.95rem;
}

.price-teaser strong {
    color: var(--ink);
}

.price-teaser__tag {
    display: inline-block;
    min-width: 6.5rem;
    margin-right: 0.6rem;
    padding: 0.1em 0.55em;
    border-radius: 6px;
    background: var(--accent-tint);
    color: var(--accent-strong);
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-align: center;
}

/* The fork band — the Beringer and Organisation columns, side by side. Both are
   always in the DOM (issue #104); the grid collapses to one column on mobile. */
.fork {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2.5rem 0;
}

@media (max-width: 38rem) {
    .fork {
        grid-template-columns: 1fr;
    }
}

.fork__col {
    padding: 1.25rem 1.3rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius);
}

.fork__title {
    margin: 0 0 0.5rem;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.fork__col p {
    margin: 0 0 0.7rem;
    font-size: 0.95rem;
    color: var(--muted);
}

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

.fork__more {
    color: var(--accent-strong);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    text-underline-offset: 2px;
}

.fork__more:hover {
    text-decoration: underline;
}

/* ── Legal pages ──────────────────────────────────────────────────────── */

/* The draft banner — a clearly-marked "not yet reviewed" note */
.legal-draft {
    margin: 0 0 1.5rem;
    padding: 0.85rem 1rem;
    background: #fbf3e6;
    border: 1px solid var(--accent);
    border-radius: 8px;
    color: var(--accent-strong);
    font-size: 0.86rem;
}

.legal-draft strong {
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.panel h2 {
    margin: 1.6rem 0 0.5rem;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.panel ul {
    margin: 0 0 1.2rem;
    padding-left: 1.2rem;
    color: var(--muted);
}

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

.legal-rule {
    margin: 2rem 0;
    border: 0;
    border-top: 1px solid var(--line);
}

.legal-back {
    margin-top: 1.75rem;
    font-size: 0.9rem;
}

/* Footer — a quiet field note */
.site-footer {
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.8rem;
}

.site-footer__inner {
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    align-items: baseline;
    justify-content: space-between;
}

.site-footer__legal {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
}

.site-footer__legal a {
    color: var(--muted);
    text-decoration: none;
    text-underline-offset: 2px;
}

.site-footer__legal a:hover {
    color: var(--accent-strong);
    text-decoration: underline;
}

.site-footer .place {
    font-family: var(--mono);
    letter-spacing: 0.08em;
}

@media (max-width: 30rem) {
    .panel {
        padding: 1.5rem 1.25rem 1.75rem;
    }

    .site-main {
        padding-top: 2rem;
        padding-bottom: 2rem;
    }
}

/* ════════════════════════════════════════════════════════════════════════
   Marketing home (issue #104)

   The dual-track marketing home breaks out of the narrow single-card form
   column the destination/auth/legal pages share: it widens the brand measure
   and lays out an open, multi-section IA (top nav, hero thesis, fork band,
   audience sections, price teaser) directly on the brand tokens — not
   reinvented. The accessibility floor the brand carries holds: visible
   keyboard focus, a sensible DOM reading order, responsive to mobile.
   ════════════════════════════════════════════════════════════════════════ */

.page--marketing {
    /* Widen the shared header/main/footer measure for the marketing surface. */
    --measure: 62rem;
}

/* A visible focus ring on every interactive element, not just form fields —
   the keyboard-accessibility floor for the marketing nav + in-page links. */
.page--marketing a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ── Top nav ──────────────────────────────────────────────────────────── */

.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 1.4rem;
    font-size: 0.92rem;
}

.site-nav__link {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
}

.site-nav__link:hover {
    color: var(--accent-strong);
}

.site-nav__link--login {
    color: var(--accent-strong);
    font-weight: 600;
}

/* DE/EN toggle slot — a quiet mono chip until the i18n slice wires it up. */
.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.lang-toggle__current {
    color: var(--ink);
    font-weight: 600;
}

.lang-toggle__sep,
.lang-toggle__other {
    color: var(--muted);
}

@media (max-width: 40rem) {
    /* Stack the nav under the wordmark on small screens. */
    .page--marketing .site-header__inner {
        flex-wrap: wrap;
    }

    .site-nav {
        width: 100%;
    }
}

/* ── Shared section rhythm ────────────────────────────────────────────── */

.page--marketing .eyebrow {
    margin: 0 0 0.5rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.72rem;
    color: var(--accent);
}

.page--marketing .lead {
    color: var(--ink);
    font-size: 1.1rem;
    line-height: 1.55;
}

/* ── Hero ─────────────────────────────────────────────────────────────── */

.hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 2.5rem;
    margin-bottom: 1rem;
}

.hero__thesis {
    margin: 0.2rem 0 0.9rem;
    font-size: clamp(2rem, 4.5vw, 2.9rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.hero__copy .lead {
    max-width: 34rem;
}

.hero__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.4rem;
}

/* The artifact slot — the positioning frame the Fang-Karte sits in. */
.hero__artifact {
    display: flex;
    justify-content: center;
}

@media (max-width: 46rem) {
    .hero {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
}

/* ── Fang-Karte — the hero's signature record (issue #106) ────────────────
   A static, no-JS field-record card: one captured bird. It shares the brand's
   brass top edge and field-record voice; ring numbers and biometrics are set
   in the tabular-nums data voice (.data) so the figures line up like a ledger. */

/* The data voice — Inter tabular figures for ring numbers + biometrics. */
.data {
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
    letter-spacing: 0.01em;
}

.fang-karte {
    width: 100%;
    max-width: 22rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.4rem 1.5rem 1.5rem;
    box-shadow:
        0 1px 2px rgba(32, 39, 31, 0.04),
        0 18px 40px -30px rgba(32, 39, 31, 0.45);
}

.fang-karte__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.7rem;
}

.fang-karte__head .eyebrow {
    margin: 0;
}

.fang-karte__ring {
    padding: 0.18em 0.6em;
    border-radius: 6px;
    background: var(--accent-tint);
    color: var(--accent-strong);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.fang-karte__species {
    margin: 0;
    font-family: 'Lora', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ink);
}

.fang-karte__sci {
    margin: 0.1rem 0 0;
    font-style: italic;
    font-size: 0.9rem;
    color: var(--muted);
}

.fang-karte__grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem 1rem;
    margin: 1.1rem 0 0;
    padding: 1.1rem 0 0;
    border-top: 1px solid var(--line);
}

.fang-karte__cell {
    margin: 0;
}

.fang-karte__cell dt {
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.6rem;
    color: var(--muted);
}

.fang-karte__cell dd {
    margin: 0.15rem 0 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink);
}

.fang-karte__foot {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 1.1rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--line);
}

.fang-karte__station {
    font-size: 0.85rem;
    color: var(--muted);
}

.fang-karte__beringer {
    font-family: var(--mono);
    font-weight: 600;
    letter-spacing: 0.08em;
    font-size: 0.85rem;
    color: var(--accent-strong);
}

/* ── Ringserie number thread (issue #106) ────────────────────────────────
   A run of consumed ring numbers (last-consumed + 1) threading the page as an
   honest structural marker. Set in the tabular-nums data voice. */
.ringserie {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.55rem 0.7rem;
    margin: 0.5rem 0 0;
    padding: 0.85rem 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.95rem;
}

.ringserie__num {
    color: var(--ink);
    font-weight: 500;
}

.ringserie__sep {
    color: var(--accent-soft);
}

.ringserie__next {
    color: var(--accent-strong);
    font-weight: 600;
}

/* The page's SINGLE motion: a gentle load reveal of the number thread. It lives
   entirely inside a (prefers-reduced-motion: no-preference) guard, so under
   `reduce` no animation is ever declared and the thread simply renders in its
   final, fully-visible state — fully suppressed, no JS. */
@media (prefers-reduced-motion: no-preference) {
    @keyframes ringserie-reveal {
        from {
            opacity: 0;
            transform: translateY(0.6rem);
        }

        to {
            opacity: 1;
            transform: none;
        }
    }

    .ringserie--reveal {
        animation: ringserie-reveal 900ms ease-out both;
    }
}

/* ── Audience sections (Für Beringer; Für Organisationen placeholder) ──── */

.audience {
    margin: 2.75rem 0;
    padding-top: 2.25rem;
    border-top: 1px solid var(--line);
}

.audience__title {
    margin: 0 0 0.8rem;
    font-size: 1.55rem;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.audience__pain {
    max-width: 38rem;
    color: var(--muted);
    font-size: 1.02rem;
}

.audience__beta {
    max-width: 38rem;
    color: var(--ink);
}

.audience__beta strong {
    color: var(--ink);
}

.audience__org-ctas {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.25rem;
}

.audience__founder {
    color: var(--accent-strong);
    font-size: 0.92rem;
    text-underline-offset: 2px;
}

/* The relief — the three concrete capabilities, as field-record cards. */
.relief {
    list-style: none;
    margin: 1.5rem 0 1.75rem;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 46rem) {
    .relief {
        grid-template-columns: 1fr;
    }
}

.relief__item {
    padding: 1.1rem 1.2rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
}

.relief__title {
    margin: 0 0 0.4rem;
    font-size: 1.02rem;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.relief__item p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--muted);
}

/* The org trust beats — data sovereignty, no lock-in, the honest solo-operator
   continuity answer, and the master's-thesis credibility signal (issue #105) —
   as a 2×2 grid of field-record cards, sharing the relief card's brass edge. */
.org-trust {
    list-style: none;
    margin: 1.5rem 0 1.75rem;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 46rem) {
    .org-trust {
        grid-template-columns: 1fr;
    }
}

.org-trust__item {
    padding: 1.1rem 1.2rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
}

.org-trust__title {
    margin: 0 0 0.4rem;
    font-size: 1.02rem;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.org-trust__item p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--muted);
}

/* The light beta-pilot mention that sits between the beats and the Gespräch CTA. */
.audience__pilot {
    max-width: 38rem;
    color: var(--ink);
    font-size: 0.96rem;
}

/* ── Pricing heading on the marketing home ────────────────────────────── */

.pricing__title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0 0 0.9rem;
    font-size: 1.3rem;
    letter-spacing: -0.01em;
}

.pricing__title .badge {
    margin-left: 0;
}

/* ── Ghost button — the secondary, lower-emphasis action ──────────────── */

.button--ghost {
    color: var(--accent-strong);
    background: transparent;
    border-color: var(--accent-soft);
}

.button--ghost:hover {
    color: #fff;
    background: var(--accent-strong);
    border-color: var(--accent-strong);
}