/* bundes.app public site styles.
   Self-contained, no external CDNs. Inter is self-hosted via @font-face below.
   Aesthetic: typographic, black on white, strict grid, one restrained accent. */

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/inter/inter-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('/fonts/inter/inter-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('/fonts/inter/inter-600.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('/fonts/inter/inter-700.woff2') format('woff2');
}

:root {
    --ink: #0a0a0a;
    --muted: #595959;
    --line: #e2e2e2;
    --paper: #ffffff;
    --accent: #1f3a8a; /* used sparingly for focus/links */
    --maxw: 72rem;
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
    font-size: 18px;
    line-height: 1.6;
    font-feature-settings: 'cv05', 'ss01';
    -webkit-font-smoothing: antialiased;
}

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

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 1.75rem;
}

/* Header ------------------------------------------------------------------ */

.site-header {
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--paper);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.brand__icon {
    display: block;
    width: 1.55rem;
    height: 1.55rem;
}

.brand__text > span {
    color: var(--muted);
    font-weight: 500;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover {
    border-bottom-color: var(--ink);
}

.site-header__right {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.site-nav {
    display: flex;
    gap: 1.5rem;
}

/* Language dropdown (no-JS, uses <details>) */
.lang-menu {
    position: relative;
}

.lang-menu__summary {
    list-style: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--muted);
    padding: 0.4rem 0.2rem;
    user-select: none;
}

.lang-menu__summary::-webkit-details-marker {
    display: none;
}

.lang-menu__summary:hover {
    color: var(--ink);
}

.lang-menu__globe {
    display: block;
}

.lang-menu__caret {
    font-size: 0.7em;
    transition: transform 0.15s ease;
}

.lang-menu[open] .lang-menu__caret {
    transform: rotate(180deg);
}

.lang-menu__list {
    position: absolute;
    inset-inline-end: 0;
    top: calc(100% + 0.4rem);
    margin: 0;
    padding: 0.35rem;
    list-style: none;
    min-width: 9.5rem;
    background: var(--paper);
    border: 1px solid var(--line);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    z-index: 40;
}

.lang-menu__item {
    display: block;
    padding: 0.4rem 0.6rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.lang-menu__item:hover {
    background: #f5f5f5;
    color: var(--ink);
}

.lang-menu__item.is-active {
    color: var(--ink);
    font-weight: 600;
}

/* Right-to-left support (Arabic) */
[dir='rtl'] body {
    text-align: right;
}

[dir='rtl'] .hero h1,
[dir='rtl'] .hero p.lead,
[dir='rtl'] .prose {
    margin-left: auto;
}

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

.btn {
    display: inline-block;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.85rem 1.6rem;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--paper);
    transition: background 0.15s ease, color 0.15s ease;
}

.btn:hover {
    background: var(--paper);
    color: var(--ink);
}

.btn--ghost {
    background: transparent;
    color: var(--ink);
}

.btn--ghost:hover {
    background: var(--ink);
    color: var(--paper);
}

/* Hero -------------------------------------------------------------------- */

.hero {
    padding: 7rem 0 5rem;
    border-bottom: 1px solid var(--line);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted);
    margin: 0 0 1.5rem;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.035em;
    font-weight: 700;
    margin: 0 0 1.5rem;
    max-width: 18ch;
}

.hero p.lead {
    font-size: clamp(1.1rem, 2.2vw, 1.4rem);
    color: var(--muted);
    max-width: 46ch;
    margin: 0 0 2.5rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Features ----------------------------------------------------------------- */

.features {
    padding: 5rem 0;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3.5rem;
}

.feature {
    border-top: 2px solid var(--ink);
    padding-top: 1.25rem;
}

.feature h3 {
    font-size: 1.4rem;
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem;
    font-weight: 600;
}

.feature p {
    color: var(--muted);
    margin: 0;
    font-size: 1rem;
}

/* Contact band ------------------------------------------------------------- */

.band {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 4rem 0;
}

.band__grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
}

.band h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    letter-spacing: -0.03em;
    font-weight: 700;
    margin: 0;
    max-width: 20ch;
}

.band a.mail {
    font-weight: 600;
    border-bottom: 2px solid var(--ink);
    white-space: nowrap;
}

/* Legal / prose ------------------------------------------------------------ */

.prose {
    padding: 4.5rem 0 5rem;
    max-width: 50rem;
}

.prose h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -0.03em;
    margin: 0 0 2.5rem;
    font-weight: 700;
}

.prose h2 {
    font-size: 1.3rem;
    letter-spacing: -0.01em;
    margin: 2.5rem 0 0.75rem;
    font-weight: 600;
}

.prose p,
.prose address {
    color: #2a2a2a;
    margin: 0 0 1rem;
    font-style: normal;
}

.prose address {
    line-height: 1.8;
}

.prose ul {
    margin: 0 0 1rem;
    padding-left: 1.25rem;
    color: #2a2a2a;
}

.prose li {
    margin: 0.35rem 0;
}

.prose .updated {
    margin-top: 3rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.prose a {
    border-bottom: 1px solid var(--line);
}

.prose a:hover {
    border-bottom-color: var(--ink);
}

.draft-note {
    border: 1px solid var(--ink);
    padding: 1rem 1.25rem;
    margin: 0 0 2.5rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.draft-note strong {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
}

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

.site-footer {
    padding: 3rem 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    align-items: center;
    justify-content: space-between;
}

.site-footer nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.site-footer a:hover {
    color: var(--ink);
}

.prototype-note {
    width: 100%;
    border-top: 1px solid var(--line);
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    font-size: 0.85rem;
}

/* Responsive --------------------------------------------------------------- */

@media (max-width: 48rem) {
    body {
        font-size: 17px;
    }
    .features__grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .band__grid {
        grid-template-columns: 1fr;
        align-items: start;
    }
    .hero {
        padding: 4.5rem 0 3.5rem;
    }
    .site-header__inner {
        height: auto;
        flex-wrap: wrap;
        gap: 0.75rem 1.5rem;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
    .site-header__right {
        gap: 1rem 1.5rem;
        flex-wrap: wrap;
    }
}