/* The PaxOnBoard trial website. Same tokens, base and buttons as the product (assets/design is copied from ui/design by
   website/build.sh). Tokens only for colour, space, type and shape; logical properties only; the four themes follow the
   visitor's system setting through tokens.css. */

@font-face {
  font-family: "Inter";
  src: url("assets/design/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root { --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif; }

html { scroll-behavior: smooth; scroll-padding-block-start: var(--sp-16); }
html.is-listening { --now-h: var(--sp-8); scroll-padding-block-start: calc(var(--sp-16) + var(--sp-8)); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.wrap { max-inline-size: var(--content-max); margin-inline: auto; padding-inline: var(--gutter); }

.skip { position: absolute; inset-inline-start: var(--sp-4); inset-block-start: calc(-1 * var(--sp-16)); background: var(--accent); color: var(--accent-fg);
  padding: var(--sp-2) var(--sp-4); border-radius: var(--r-control); z-index: 20; }
.skip:focus { inset-block-start: var(--sp-2); }

/* Header */
.site-header { position: sticky; inset-block-start: var(--now-h, 0); z-index: 10; background: var(--surface); border-block-end: 1px solid var(--surface-3); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); min-block-size: var(--sp-16); flex-wrap: wrap; padding-block: var(--sp-2); }
.brand { display: inline-flex; align-items: center; gap: var(--sp-3); font-size: var(--fs-xl); font-weight: var(--fw-bold); letter-spacing: var(--ls-tight); color: var(--fg); text-decoration: none; }
.bar nav { display: flex; align-items: center; gap: var(--sp-2) var(--sp-5); flex-wrap: wrap; }
.bar nav a:not(.btn) { color: var(--fg); text-decoration: none; font-weight: var(--fw-medium); padding-block: var(--sp-2); }
.bar nav a:not(.btn):hover { color: var(--accent-text); text-decoration: underline; text-underline-offset: 0.3em; }
@media (max-width: 40rem) { .bar nav a:not(.btn) { display: none; } }

/* Hero */
.hero { padding-block: var(--sp-16) var(--sp-12); background: linear-gradient(to bottom, var(--accent-soft), var(--bg)); }
.hero-grid { display: grid; gap: var(--sp-10); align-items: center; }
@media (min-width: 62rem) { .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); } }
.eyebrow { margin: 0 0 var(--sp-3); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: var(--ls-caps); font-weight: var(--fw-semibold); color: var(--accent-text); }
h1 { font-size: var(--fs-display); line-height: var(--lh-tight); }
.lead { font-size: var(--fs-lg); line-height: var(--lh-body); color: var(--fg); max-inline-size: var(--prose-max); margin-block: var(--sp-5) var(--sp-6); }
.actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin: 0; }
.hero-shot { margin: 0; }
.hero-shot img, .gallery img { display: block; inline-size: 100%; block-size: auto; border-radius: var(--r-lg); border: 1px solid var(--surface-3); box-shadow: var(--shadow-3); background: var(--surface); }

/* Sections */
.section { padding-block: var(--sp-16); }
.section.alt, .band.alt { background: var(--surface-2); }
.band { padding-block: var(--sp-12); background: var(--surface); }
h2 { font-size: var(--fs-2xl); margin-block-end: var(--sp-3); }
.section-lead { margin: 0 0 var(--sp-8); color: var(--muted); font-size: var(--fs-lg); max-inline-size: var(--prose-max); }
.prose-block { max-inline-size: calc(var(--prose-max) + 2 * var(--gutter)); }
.prose-block p { font-size: var(--fs-lg); max-inline-size: var(--prose-max); }

/* Steps */
.how-steps { list-style: none; margin: 0 0 var(--sp-10); padding: 0; display: grid; gap: var(--sp-5); counter-reset: step; }
@media (min-width: 52rem) { .how-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.how-steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--surface-3); border-radius: var(--r-lg); padding: var(--sp-6); box-shadow: var(--shadow-1); }
.how-steps li::before { content: counter(step); display: grid; place-items: center; inline-size: var(--control-h); block-size: var(--control-h); border-radius: var(--r-pill);
  background: var(--accent); color: var(--accent-fg); font-weight: var(--fw-bold); margin-block-end: var(--sp-4); }
.how-steps h3, .cards h3 { font-size: var(--fs-xl); margin-block-end: var(--sp-2); }
.how-steps p, .cards p { margin: 0; color: var(--muted); }

/* Diagram (SVG painted with tokens) */
.diagram { margin: 0; }
.diagram svg { display: block; inline-size: 100%; block-size: auto; }
.dia-narrow { display: none !important; max-inline-size: 24rem; margin-inline: auto; }
@media (max-width: 40rem) { .dia-wide { display: none !important; } .dia-narrow { display: block !important; } }
.dia-box rect { fill: var(--surface); stroke: var(--border-strong); stroke-width: 2; }
.dia-box rect.dia-cloud { fill: var(--accent-soft); stroke: var(--accent); }
.dia-label text { fill: var(--fg); font-family: var(--font-sans); font-size: 17px; }
.dia-label .dia-t1 { font-weight: 700; font-size: 20px; }
.dia-label.small text { fill: var(--muted); font-size: 15px; }
.dia-line line { stroke: var(--accent); stroke-width: 3; }
.dia-arrow { fill: var(--accent); }

/* Feature cards */
.cards { list-style: none; margin: var(--sp-8) 0 0; padding: 0; display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr)); }
.cards li { background: var(--surface); border: 1px solid var(--surface-3); border-radius: var(--r-lg); padding: var(--sp-6); box-shadow: var(--shadow-1); }

/* Screenshots */
.gallery { display: grid; gap: var(--sp-6); grid-template-columns: repeat(auto-fit, minmax(min(100%, 32rem), 1fr)); align-items: start; }
.gallery figure { margin: 0; }
.gallery figure.phone img { max-inline-size: 16rem; margin-inline: auto; }
.gallery figcaption { margin-block-start: var(--sp-3); color: var(--muted); font-size: var(--fs-sm); text-align: center; }
.gallery a { display: block; }

/* Enquiry form */
.form-wrap { max-inline-size: calc(var(--form-max) + 2 * var(--gutter)); }
.form { display: grid; gap: var(--sp-5); background: var(--surface); border: 1px solid var(--surface-3); border-radius: var(--r-lg); padding: var(--sp-8); box-shadow: var(--shadow-2); }
.field { display: grid; gap: var(--sp-2); }
.field label { font-weight: var(--fw-medium); }
.opt { color: var(--muted); font-weight: var(--fw-regular); }
.form input, .form select, .form textarea { font: inherit; color: var(--fg); background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-control);
  padding: var(--sp-2) var(--sp-3); min-block-size: var(--control-h); inline-size: 100%; }
.form textarea { resize: vertical; }
.trap { position: absolute; inset-inline-start: -10000px; inline-size: 1px; block-size: 1px; overflow: hidden; }
.privacy { margin: 0; color: var(--muted); font-size: var(--fs-sm); }
.status { margin: 0; padding: var(--sp-3) var(--sp-4); border-radius: var(--r-control); background: var(--warn-soft); color: var(--warn-text); }

/* Footer */
.site-footer { padding-block: var(--sp-10); background: var(--surface); border-block-start: 1px solid var(--surface-3); }
.site-footer p { margin: 0 0 var(--sp-1); }
.small { color: var(--muted); font-size: var(--fs-sm); }

/* Trial promises and steps */
.cards.three { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.ticks { list-style: none; margin: 0 0 var(--sp-10); padding: 0; display: grid; gap: var(--sp-4); max-inline-size: var(--prose-max); }
.ticks li { position: relative; padding-inline-start: var(--sp-10); font-size: var(--fs-lg); }
.ticks li::before { content: "\2713"; position: absolute; inset-inline-start: 0; inset-block-start: 0.1em; display: grid; place-items: center; inline-size: var(--sp-8); block-size: var(--sp-8);
  border-radius: var(--r-pill); background: var(--accent); color: var(--accent-fg); font-weight: var(--fw-bold); font-size: var(--fs-md); }
@media (min-width: 62rem) { .how-steps.four { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.how-steps.four { margin-block-end: var(--sp-8); }

/* Three country shots in a row on wide screens */
@media (min-width: 62rem) { .gallery.three { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.gallery.three { margin-block-end: var(--sp-8); }

/* "Yours to keep" and "What it costs" */
.promise { margin: 0 0 var(--sp-6); font-size: var(--fs-lg); color: var(--accent-text); }
.cost-grid { display: grid; gap: var(--sp-5); margin-block-end: var(--sp-6); }
@media (min-width: 52rem) { .cost-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); } }
.cost-card { background: var(--surface); border: 1px solid var(--surface-3); border-radius: var(--r-lg); padding: var(--sp-6); box-shadow: var(--shadow-1); }
.cost-card.accent { background: var(--accent-soft); border-color: var(--accent); }
.cost-card h3 { font-size: var(--fs-xl); margin-block-end: var(--sp-3); }
.cost-card p { margin: 0 0 var(--sp-3); }
.cost-card .big { font-size: var(--fs-lg); }
.cost-card ul.plain { display: grid; gap: var(--sp-2); }
.cost-card ul.plain li::before { content: "\2713"; color: var(--accent-text); font-weight: var(--fw-bold); margin-inline-end: var(--sp-2); }
.nocut { margin: 0; padding: var(--sp-5) var(--sp-6); border-radius: var(--r-lg); background: var(--surface-inverse); color: var(--fg-inverse); font-size: var(--fs-lg); }
.country-shot { margin: 0 0 var(--sp-8); }
.country-shot img { display: block; inline-size: 100%; max-inline-size: 60rem; block-size: auto; margin-inline: auto; border-radius: var(--r-lg); border: 1px solid var(--surface-3); box-shadow: var(--shadow-3); }
.country-shot figcaption { margin-block-start: var(--sp-3); color: var(--muted); font-size: var(--fs-sm); text-align: center; }

/* The public "coming soon" teaser (website/template/teaser.html) */
.teaser { min-block-size: 100dvh; display: grid; align-items: center; padding-block: var(--sp-16); }
.teaser-body { max-inline-size: 46rem; }
.teaser h1 { font-size: var(--fs-display); margin-block-end: var(--sp-5); }
.invite { margin-block-start: var(--sp-10); }
.invite summary { cursor: pointer; display: inline-block; font-weight: var(--fw-medium); color: var(--fg-inverse); text-decoration: underline; text-underline-offset: 0.3em; }
.invite[open] summary { margin-block-end: var(--sp-4); }
.brand-mark { inline-size: var(--sp-8); block-size: var(--sp-8); border-radius: var(--r-md); }
.teaser-logo { inline-size: var(--sp-20); block-size: var(--sp-20); border-radius: var(--r-xl); margin-block-end: var(--sp-5); }
.teaser-form { max-inline-size: 26rem; margin-block-start: var(--sp-3); }
.invite .status { margin-block-end: var(--sp-3); }
:is(.photo, .panel) .form, :is(.photo, .panel) .form label, :is(.photo, .panel) .form input { color: var(--fg); }   /* the form is a card of its own (light, or dark in the dark theme) on the photo or inside the panel: its words use the normal text colour, not the panel's white */

/* About page */
.visually-hidden { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.stats { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.stats li { background: var(--surface); border: 1px solid var(--surface-3); border-radius: var(--r-lg); padding: var(--sp-6); box-shadow: var(--shadow-1); text-align: center; }
.stats strong { display: block; font-size: var(--fs-3xl); line-height: var(--lh-tight); color: var(--accent-text); letter-spacing: var(--ls-tight); }
.stats span { display: block; margin-block-start: var(--sp-2); color: var(--muted); }
.privacy-note { margin-block-start: var(--sp-4); max-inline-size: 52rem; }
.privacy-note p { font-size: var(--fs-sm); line-height: var(--lh-body); margin: 0; }
.panel .privacy-note { margin-block-start: var(--sp-6); }
.stats-note { margin-block-start: var(--sp-5); margin-inline: auto; text-align: center; }
.bar nav a[aria-current="page"] { color: var(--accent-text); font-weight: var(--fw-semibold); }
.cards + .actions { margin-block-start: var(--sp-8); }

/* The now-playing strip at the very top (shown only while music plays): a chevron-ended ribbon across the page */
.now-playing { position: sticky; inset-block-start: 0; z-index: 11; block-size: var(--sp-8); display: flex; align-items: stretch; justify-content: center; background: var(--surface-3); }
@media (max-width: 40rem) { .now-playing-text { padding-inline: var(--sp-6); font-size: var(--fs-xs); } .np-btn { inline-size: var(--sp-8); } .now-playing:not(.is-paused) .np-lead { display: none; } }
.now-playing[hidden] { display: none; }
.now-controls { display: flex; align-items: center; gap: var(--sp-1); padding-inline: var(--sp-2); flex: none; }
.np-btn { display: inline-flex; align-items: center; justify-content: center; inline-size: var(--control-h-sm); block-size: var(--sp-8); padding: 0; border: 0; background: transparent; color: var(--accent-text); cursor: pointer; border-radius: var(--r-sm); }
.np-btn:hover { background: var(--surface-2); }
.np-playicon { display: none; }
.now-playing.is-paused .np-playicon { display: inline; }
.now-playing.is-paused .np-pause { display: none; }
.now-playing.is-paused .now-playing-text { background: var(--muted); }
.now-playing-text { display: block; min-inline-size: 0; max-inline-size: 100%; padding-inline: var(--sp-8); line-height: var(--sp-8); font-size: var(--fs-sm); font-weight: var(--fw-medium);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; background: var(--accent); color: var(--fg-inverse);
  clip-path: polygon(0 0, calc(100% - var(--sp-4)) 0, 100% 50%, calc(100% - var(--sp-4)) 100%, 0 100%, var(--sp-4) 50%); }
/* In-flight music: a toggle at the far end of the sticky header (so it is always in the top corner), and the box on the invite form */
.music-toggle { display: inline-flex; align-items: center; gap: var(--sp-2); min-block-size: var(--control-h-sm); padding-inline: var(--sp-3);
  border: 1px solid var(--border-strong); border-radius: var(--r-pill); background: transparent; color: var(--fg); font: inherit; font-size: var(--fs-sm); cursor: pointer; }
.music-toggle:hover { background: var(--surface-2); }
.music-toggle[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-text); border-color: var(--accent); }
.music-toggle .music-waves { display: none; }
.music-toggle[aria-pressed="true"] .music-waves { display: inline; }
.music-toggle[aria-pressed="true"] .music-slash { display: none; }
.music-toggle.is-waiting { border-color: var(--accent); color: var(--accent-text); }
@media (prefers-reduced-motion: no-preference) {
  .music-toggle.is-waiting { animation: music-nudge 1.6s var(--ease-in-out) infinite; }
  @keyframes music-nudge { 50% { box-shadow: 0 0 0 var(--sp-1) var(--accent-soft); } }
}
.check-label { display: flex; align-items: center; gap: var(--sp-3); font-weight: var(--fw-regular); cursor: pointer; }
.form input[type="checkbox"] { inline-size: var(--sp-5); block-size: var(--sp-5); min-block-size: 0; padding: 0; accent-color: var(--accent); }

/* ===== Photos behind every section, at full strength, with the words in rounded panels (23 Oct 2026, Simon) =====
   The photo shows in full around the panels. A panel carries the same dark veil the hero had (72% of the theme's inverse colour), so the words
   keep their contrast on any photo (tests/test_website.py measures the brightest part of every photo). Photos load as they near the screen. */
:root { --veil: color-mix(in srgb, var(--surface-inverse) 72%, transparent); }
.section.photo-sec, .band.photo-sec, .hero.photo-sec { background: var(--surface-3); }
.photo-sec.bg-on { background-image: var(--photo); background-size: cover; background-position: center; background-repeat: no-repeat; }
@media (max-width: 40rem) { .photo-sec.bg-on { background-image: var(--photo-sm); } }
.photo-sec { padding-block: var(--sp-16); }
.panel { background: var(--veil); color: var(--fg-inverse); border-radius: var(--r-xl); padding: var(--sp-8); box-shadow: var(--shadow-3);
  -webkit-backdrop-filter: blur(var(--sp-2)); backdrop-filter: blur(var(--sp-2)); }
.panel :is(h1, h2, h3, p, li, strong, .eyebrow, .lead, .section-lead, .promise) { color: inherit; }
.panel .section-lead { margin-block-end: 0; max-inline-size: none; }
.panel p:last-child { margin-block-end: 0; }
.panel-head { max-inline-size: 48rem; margin-block-end: var(--sp-8); }
.panel-head h2 { margin-block-end: var(--sp-3); }
.panel-ticks { max-inline-size: 48rem; margin-block-end: var(--sp-8); }
.panel-ticks .ticks { margin: 0; }
.panel-actions { display: inline-block; padding: var(--sp-4) var(--sp-5); }
.panel-actions .actions { margin: 0; }
.panel .btn-outline { color: var(--fg-inverse); border-color: var(--fg-inverse); }
.panel .btn-outline:hover { background: color-mix(in srgb, var(--fg-inverse) 16%, transparent); }
.prose-block > .panel { max-inline-size: calc(var(--prose-max) + 2 * var(--sp-8)); }
.hero-text.panel { align-self: center; }
.hero.photo-sec { padding-block: var(--sp-16) var(--sp-12); }
.section-lead { color: var(--muted); }
.panel .section-lead { color: inherit; }
.diagram { background: var(--surface); border-radius: var(--r-xl); padding: var(--sp-6); box-shadow: var(--shadow-2); }
.gallery figcaption, .country-shot figcaption { display: table; margin-inline: auto; background: var(--veil); color: var(--fg-inverse); padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-pill); -webkit-backdrop-filter: blur(var(--sp-2)); backdrop-filter: blur(var(--sp-2)); }
.how-steps li, .cards li, .cost-card, .stats li, .form { box-shadow: var(--shadow-2); }
.founder-grid { display: grid; gap: var(--sp-8); align-items: center; }
@media (min-width: 52rem) { .founder-grid { grid-template-columns: minmax(0, 28rem) minmax(0, 1fr); } }
.founder-photo { margin: 0; }
.founder-photo img { display: block; inline-size: 100%; block-size: auto; border-radius: var(--r-xl); border: 1px solid var(--surface-3); box-shadow: var(--shadow-3); }
/* the invite teaser is one section with a photo too */
.teaser.photo-sec { padding-block: var(--sp-16); }
.teaser-body > .panel { max-inline-size: 46rem; }

/* ===== A phone gets a shorter, readable page (23 Oct 2026) ===== */
.swipe-hint { display: none; }
@media (max-width: 40rem) {
  .photo-sec { padding-block: var(--sp-10); }
  .hero.photo-sec { padding-block: var(--sp-8) var(--sp-8); }
  .panel { padding: var(--sp-5); }
  .hero h1 { font-size: clamp(1.9rem, 8vw, 2.4rem); }
  .cards li, .how-steps li, .cost-card, .stats li { padding: var(--sp-4); }
  .section-lead { font-size: var(--fs-md); }
  .hero-shot picture img, .country-shot picture img { max-inline-size: 72%; margin-inline: auto; }
  .swipe-hint { display: block; margin: var(--sp-3) 0 0; font-size: var(--fs-sm); opacity: 0.85; }
  .gallery { display: flex; gap: var(--sp-4); overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); padding-block-end: var(--sp-3); }
  .gallery figure { flex: 0 0 74%; scroll-snap-align: center; margin: 0; }
  .gallery figure.phone img { max-inline-size: none; }
  .gallery figcaption { white-space: normal; }
  .how-steps.four { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
  .how-steps.four li { padding: var(--sp-3); }
  .how-steps.four li::before { inline-size: var(--sp-8); block-size: var(--sp-8); margin-block-end: var(--sp-2); }
  .how-steps.four h3 { font-size: var(--fs-md); }
  .cards p, .how-steps p, .cost-card p, .ticks li { font-size: var(--fs-sm); }
  .how-steps.four p { font-size: var(--fs-xs); }
  .ticks li { padding-inline-start: var(--sp-8); }
}

/* ===== One photo behind a GROUP of sections (23 Oct 2026, Simon: fewer photos, larger areas) =====
   The photo is a layer the size of the screen that sticks to the top while its group of sections scrolls past (works on phones too, unlike
   background-attachment: fixed). The sections themselves are see-through; the panels and cards on top keep the words readable. */
.photo-block { position: relative; isolation: isolate; background: var(--surface-3); }
.photo-block::before { content: ""; position: sticky; inset-block-start: 0; display: block; block-size: 100vh; block-size: 100svh;
  margin-block-end: -100vh; margin-block-end: -100svh; background: center / cover no-repeat; z-index: -1; }
.photo-block.bg-on::before { background-image: var(--photo); }
@media (max-width: 40rem) { .photo-block.bg-on::before { background-image: var(--photo-sm); } }
.photo-block > .section, .photo-block > .band, .photo-block > .hero { background: transparent; }