/* =============================================================================
   PairNepal — brand page
   Loaded with brand.css (tokens, type, buttons, chips, motion primitives).
   The app shell's styles-main.css is deliberately NOT loaded here: it pins the
   body to 100vw/flex and would fight a scrolling marketing page.
   ========================================================================== */

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

html, body { margin: 0; padding: 0; }

body {
    min-height: 100dvh;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

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

a { color: inherit; }

.pn-wrap {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

/* ------------------------------------------------------------------ top bar */
/* brand.css styles the bare `header` element for the app shell; the marketing
   top bar carries its own box, so reset it here. */
header.pn-topbar {
    padding: 0;
    min-height: 0;
}

.pn-topbar {
    position: sticky;
    top: 0;
    z-index: var(--pn-z-header);
    backdrop-filter: saturate(140%) blur(10px);
    background: color-mix(in srgb, var(--pn-canvas) 88%, transparent);
    border-bottom: 1px solid transparent;
    transition: border-color var(--pn-dur-shift) var(--pn-ease-out);
}

.pn-topbar.is-stuck { border-bottom-color: var(--pn-line); }

.pn-topbar__inner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
}

.pn-topbar .pn-brand { margin-right: auto; padding: 0; }

.pn-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pn-nav a {
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--pn-ink-2);
    padding: 8px 12px;
    border-radius: var(--pn-r-sm);
    transition: color var(--pn-dur-feedback) var(--pn-ease-out),
                background-color var(--pn-dur-feedback) var(--pn-ease-out);
}

.pn-nav a:hover { color: var(--pn-ink); background: var(--pn-surface-2); }

@media (max-width: 800px) { .pn-nav { display: none; } }

/* --------------------------------------------------------------------- hero */
.pn-hero {
    padding: clamp(48px, 9vw, 104px) 0 clamp(40px, 7vw, 84px);
}

.pn-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: center;
}

@media (max-width: 900px) {
    .pn-hero__grid { grid-template-columns: 1fr; }
}

.pn-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--pn-ink-3);
    background: var(--pn-surface);
    border: var(--pn-hairline);
    border-radius: var(--pn-r-pill);
    padding: 6px 13px;
    box-shadow: var(--pn-shadow-1);
    margin-bottom: 22px;
}

.pn-eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pn-ok);
    animation: pn-presence 3.2s var(--pn-ease-out) infinite;
}

body.pn-idle .pn-eyebrow::before { animation-play-state: paused; }

.pn-hero h1 {
    font-size: clamp(38px, 6.4vw, 72px);
    line-height: 1.02;
    letter-spacing: -.022em;
    margin: 0 0 20px;
    max-width: 15ch;
}

.pn-hero h1 em {
    font-style: italic;
    color: var(--pn-accent);
}

.pn-lede {
    font-size: clamp(16px, 1.6vw, 18.5px);
    line-height: 1.65;
    color: var(--pn-ink-2);
    max-width: 52ch;
    margin: 0 0 30px;
}

.pn-cta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

/* The landing page needs a real anchor/button pair, not the app's div buttons. */
.pn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    height: 52px;
    padding: 0 26px;
    border-radius: var(--pn-r-sm);
    font-family: var(--pn-font-ui);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--pn-dur-feedback) var(--pn-ease-out),
                background-color var(--pn-dur-feedback) var(--pn-ease-out),
                border-color var(--pn-dur-feedback) var(--pn-ease-out);
}

.pn-btn--primary {
    background: var(--pn-accent);
    color: #fff;
    box-shadow: 0 12px 26px -16px color-mix(in srgb, var(--pn-accent) 90%, transparent);
}

.pn-btn--primary:hover { background: var(--pn-accent-hover); }

.pn-btn--ghost {
    background: var(--pn-surface);
    border-color: var(--pn-line-strong);
    color: var(--pn-ink);
}

.pn-btn--ghost:hover { background: var(--pn-surface-2); }

.pn-btn:active { transform: translateY(1px) scale(.995); }

.pn-btn__kbd {
    font-family: var(--pn-font-mono);
    font-size: 11px;
    color: var(--pn-ink-3);
    border: var(--pn-hairline);
    border-radius: 6px;
    padding: 2px 6px;
}

/* Hero visual: the ident, enlarged, on a quiet panel. */
.pn-hero__panel {
    position: relative;
    border-radius: var(--pn-r-xl);
    border: var(--pn-hairline);
    background:
        radial-gradient(120% 90% at 50% 0%, var(--pn-surface) 0%, var(--pn-canvas) 72%);
    padding: 30px 24px 40px;
    box-shadow: var(--pn-shadow-2);
    overflow: hidden;
}

.pn-hero__panel .pn-ident { --pn-ident-size: clamp(220px, 30vw, 320px); margin-bottom: 8px; }

.pn-hero__meta {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 18px;
}

/* --------------------------------------------------------------- sections */
.pn-section { padding: clamp(48px, 7vw, 92px) 0; }
.pn-section + .pn-section { border-top: 1px solid var(--pn-line); }

.pn-section__head { max-width: 62ch; margin-bottom: clamp(28px, 4vw, 48px); }

.pn-section h2 {
    font-size: clamp(28px, 3.6vw, 42px);
    line-height: 1.1;
    letter-spacing: -.018em;
    margin: 0 0 14px;
}

.pn-section__head p {
    font-size: 16.5px;
    line-height: 1.68;
    color: var(--pn-ink-2);
    margin: 0;
}

.pn-kicker {
    font-family: var(--pn-font-mono);
    font-size: 11.5px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--pn-ink-3);
    margin: 0 0 14px;
}

/* Feature cards: a real grid, one accent, no decorative gradients. */
.pn-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
    gap: 18px;
}

.pn-card {
    background: var(--pn-surface);
    border: var(--pn-hairline);
    border-radius: var(--pn-r-lg);
    padding: 26px 24px;
    box-shadow: var(--pn-shadow-1);
    transition: transform var(--pn-dur-shift) var(--pn-ease-out),
                box-shadow var(--pn-dur-shift) var(--pn-ease-out),
                border-color var(--pn-dur-shift) var(--pn-ease-out);
}

.pn-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--pn-shadow-2);
    border-color: var(--pn-line-strong);
}

.pn-card__icon {
    width: 42px;
    height: 42px;
    border-radius: var(--pn-r-sm);
    display: grid;
    place-items: center;
    background: var(--pn-accent-soft);
    color: var(--pn-accent);
    margin-bottom: 16px;
}

.pn-card__icon svg { width: 21px; height: 21px; }

.pn-card h3 {
    font-family: var(--pn-font-ui);
    font-size: 16.5px;
    font-weight: 650;
    letter-spacing: -.005em;
    margin: 0 0 8px;
}

.pn-card p {
    font-size: 14.5px;
    line-height: 1.62;
    color: var(--pn-ink-2);
    margin: 0;
}

.pn-card--wide { grid-column: span 2; }
@media (max-width: 640px) { .pn-card--wide { grid-column: span 1; } }

/* ---------------------------------------------------------------- steps */
.pn-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 26px;
    counter-reset: step;
}

.pn-step { position: relative; padding-top: 42px; }

.pn-step::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    position: absolute;
    top: 0;
    left: 0;
    font-family: var(--pn-font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .1em;
    color: var(--pn-accent);
}

.pn-step::after {
    content: "";
    position: absolute;
    top: 7px;
    left: 34px;
    right: 0;
    height: 1px;
    background: var(--pn-line);
}

.pn-step h3 {
    font-family: var(--pn-font-ui);
    font-size: 15.5px;
    font-weight: 650;
    margin: 0 0 7px;
}

.pn-step p { font-size: 14.5px; line-height: 1.6; color: var(--pn-ink-2); margin: 0; }

/* -------------------------------------------------------- sound design kit */
.pn-soundkit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 12px;
    margin-top: 26px;
}

.pn-cue {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--pn-surface);
    border: var(--pn-hairline);
    border-radius: var(--pn-r-md);
    padding: 14px 16px;
    text-align: left;
    cursor: pointer;
    font-family: var(--pn-font-ui);
    font-size: 14px;
    color: var(--pn-ink);
    transition: transform var(--pn-dur-feedback) var(--pn-ease-out),
                border-color var(--pn-dur-feedback) var(--pn-ease-out),
                background-color var(--pn-dur-feedback) var(--pn-ease-out);
}

.pn-cue:hover { border-color: var(--pn-line-strong); background: var(--pn-surface-2); }
.pn-cue:active { transform: scale(.985); }

.pn-cue__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--pn-accent);
    flex: none;
    opacity: .35;
}

.pn-cue.is-live .pn-cue__dot { opacity: 1; animation: pn-presence 1s var(--pn-ease-out) 2; }

.pn-cue__meta {
    display: block;
    font-family: var(--pn-font-mono);
    font-size: 10.5px;
    color: var(--pn-ink-3);
    margin-top: 2px;
}

.pn-note {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--pn-surface-2);
    border: var(--pn-hairline);
    border-radius: var(--pn-r-md);
    padding: 16px 18px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--pn-ink-2);
    margin-top: 22px;
}

.pn-note svg { width: 18px; height: 18px; flex: none; margin-top: 2px; color: var(--pn-ink-3); }

/* ------------------------------------------------------------------ movie */
.pn-movie {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    gap: 32px;
    align-items: center;
    background: var(--pn-surface);
    border: var(--pn-hairline);
    border-radius: var(--pn-r-xl);
    padding: clamp(24px, 4vw, 40px);
    box-shadow: var(--pn-shadow-1);
}

@media (max-width: 860px) { .pn-movie { grid-template-columns: 1fr; } }

.pn-movie__stage {
    border-radius: var(--pn-r-lg);
    border: var(--pn-hairline);
    background: radial-gradient(120% 100% at 50% 0%, var(--pn-canvas), var(--pn-surface-2));
    padding: 22px 14px 34px;
    display: grid;
    place-items: center;
    min-height: 240px;
}

.pn-movie__stage .pn-ident { --pn-ident-size: clamp(200px, 34vw, 300px); margin-bottom: 0; }



.pn-movie h3 {
    font-family: var(--pn-font-display);
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -.015em;
    margin: 0 0 12px;
}

.pn-movie p { font-size: 15px; line-height: 1.66; color: var(--pn-ink-2); margin: 0 0 18px; }

.pn-spec {
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
    font-family: var(--pn-font-mono);
    font-size: 12.5px;
    color: var(--pn-ink-2);
}

.pn-spec li {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 0;
    border-bottom: 1px solid var(--pn-line);
}

.pn-spec li:last-child { border-bottom: 0; }
.pn-spec b { font-weight: 600; color: var(--pn-ink); font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------------- faq */
.pn-faq { display: grid; gap: 0; border-top: 1px solid var(--pn-line); }

.pn-faq details {
    border-bottom: 1px solid var(--pn-line);
    padding: 6px 0;
}

.pn-faq summary {
    cursor: pointer;
    list-style: none;
    font-size: 16.5px;
    font-weight: 550;
    padding: 16px 40px 16px 0;
    position: relative;
    color: var(--pn-ink);
}

.pn-faq summary::-webkit-details-marker { display: none; }

.pn-faq summary::after {
    content: "";
    position: absolute;
    right: 8px;
    top: 50%;
    width: 9px;
    height: 9px;
    border-right: 1.6px solid var(--pn-ink-3);
    border-bottom: 1.6px solid var(--pn-ink-3);
    transform: translateY(-70%) rotate(45deg);
    transition: transform var(--pn-dur-feedback) var(--pn-ease-out);
}

.pn-faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }

.pn-faq p {
    margin: 0 0 18px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--pn-ink-2);
    max-width: 72ch;
}

/* ----------------------------------------------------------------- footer */
.pn-footer {
    border-top: 1px solid var(--pn-line);
    padding: 44px 0 56px;
    margin-top: clamp(40px, 6vw, 80px);
}

.pn-footer__grid {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    align-items: flex-start;
    justify-content: space-between;
}

.pn-footer p {
    font-size: 13.5px;
    line-height: 1.66;
    color: var(--pn-ink-3);
    max-width: 40ch;
    margin: 12px 0 0;
}

.pn-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }

.pn-footer nav a {
    font-size: 13.5px;
    color: var(--pn-ink-2);
    text-decoration: none;
    border-bottom: 1px solid var(--pn-line-strong);
    padding-bottom: 2px;
}

.pn-footer nav a:hover { color: var(--pn-accent); border-bottom-color: var(--pn-accent); }

@media (prefers-reduced-motion: reduce) {
    .pn-card:hover { transform: none; }
    .pn-eyebrow::before { animation: none; opacity: .8; }
}