/* =============================================
   BrownDataHub — Public landing page (welcome.php)
   Builds on style.css tokens + theme.css components.
   ============================================= */
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
.lp { background: var(--bg-primary); color: var(--text-primary); overflow-x: hidden; }
.lp-wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 40px; box-sizing: border-box; }

/* Nav */
.lp-nav { position: sticky; top: 0; z-index: 50; background: var(--bg-primary); border-bottom: 1px solid var(--border); }
.lp-nav .lp-wrap { height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.lp-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text-primary); }
.lp-brand__logo { width: 40px; height: 40px; border-radius: 12px; background: var(--espresso); color: var(--caramel-light); display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-size: 22px; font-weight: 600; }
[data-theme="dark"] .lp-brand__logo { background: #3A2C22; }
.lp-brand__name { font-family: var(--font-heading); font-size: 21px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap; }
.lp-short { display: none; }
.lp-brand__name span { color: var(--primary-light); }
.lp-links { display: flex; align-items: center; gap: 4px; }
.lp-links a { height: 44px; padding: 0 14px; display: flex; align-items: center; font-size: 15px; font-weight: 600; color: var(--text-secondary); text-decoration: none; border-radius: 10px; }
.lp-links a:hover { color: var(--text-primary); background: var(--bg-hover); }
.lp-nav__end { display: flex; align-items: center; gap: 8px; }
.lp-login { height: 44px; padding: 0 14px; display: flex; align-items: center; font-size: 15px; font-weight: 700; color: var(--text-primary); text-decoration: none; }

.lp-flash { padding-top: 20px; }
.lp-flash .alert { margin: 0; }

/* Eyebrow + section heads */
.lp-eyebrow { font-size: 12.5px; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--primary-light); }
.lp-h2 { margin: 0; font-family: var(--font-heading); font-size: 46px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; color: var(--text-primary); }
.lp-lead { margin: 0; font-size: 17px; line-height: 1.6; color: var(--text-secondary); }
.lp-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px 32px; flex-wrap: wrap; margin-bottom: 40px; }
.lp-head > div:not(.ui-seg) { display: flex; flex-direction: column; gap: 12px; }

/* Hero */
.lp-hero .lp-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 480px; gap: 72px; align-items: center; padding-top: 64px; padding-bottom: 88px; }
.lp-hero__copy { display: flex; flex-direction: column; gap: 26px; }
.lp-chip { align-self: flex-start; height: 34px; padding: 0 14px; border-radius: 999px; background: var(--bg-card); border: 1px solid var(--border); display: inline-flex; align-items: center; gap: 10px; font-size: 13.5px; font-weight: 600; color: var(--text-secondary); }
.lp-chip__dots { display: flex; gap: 4px; }
.lp-hero h1 { margin: 0; font-family: var(--font-heading); font-size: 72px; font-weight: 500; line-height: 1.02; letter-spacing: -0.03em; }
.lp-hero h1 em { font-style: italic; color: var(--primary-light); }
.lp-hero__lead { margin: 0; max-width: 540px; font-size: 18.5px; line-height: 1.6; color: var(--text-secondary); }
.lp-cta { display: flex; gap: 12px; flex-wrap: wrap; padding-top: 6px; }
.lp-trust { display: flex; gap: 14px 28px; flex-wrap: wrap; padding-top: 10px; }
.lp-trust span { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--text-secondary); }
.lp-trust i { width: 32px; height: 32px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-style: normal; }

.lp-receipt { position: relative; }
.lp-receipt__shadow { position: absolute; inset: 24px -18px -18px 24px; border-radius: 28px; background: var(--bg-sunken); }
.lp-receipt__card {
    position: relative; padding: 30px; border-radius: 28px; background: var(--bg-card); border: 1px solid var(--border);
    box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 22px;
}
.lp-receipt__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--text-muted); }
.lp-receipt__total { padding-top: 18px; border-top: 1px dashed var(--border-strong); display: flex; align-items: baseline; justify-content: space-between; font-size: 14px; color: var(--text-secondary); }
.lp-receipt__total strong { font-family: var(--font-heading); font-size: 26px; font-weight: 600; color: var(--text-primary); font-variant-numeric: tabular-nums; }

/* Bundles */
.lp-band { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 88px 0; }
.lp-buy { display: grid; grid-template-columns: minmax(0, 1fr) 410px; gap: 32px; align-items: start; }
.lp-buy__main { display: flex; flex-direction: column; gap: 32px; min-width: 0; }
.lp-plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.lp-plans[hidden] { display: none; }
.lp-plan { min-height: 160px; padding: 20px; width: 100%; display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start; gap: 14px; }
.lp-plan__size { font-family: var(--font-heading); font-size: 36px; font-weight: 500; letter-spacing: -0.02em; line-height: 1; }
.lp-plan__meta { display: block; margin-top: 6px; font-size: 13px; color: var(--text-muted); }
.lp-plan__foot { width: 100%; padding-top: 12px; border-top: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.lp-plan__price { font-size: 16.5px; font-weight: 700; font-variant-numeric: tabular-nums; }
.lp-plan__tick { width: 26px; height: 26px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px var(--border-strong); color: transparent; display: flex; align-items: center; justify-content: center; }
.ui-choice.is-selected .lp-plan__tick { background: var(--caramel); box-shadow: none; color: #FFFFFF; }
/* Sits on the card top edge so it never covers the size */
.lp-plan__badge { position: absolute; top: -11px; right: 14px; height: 22px; padding: 0 9px; border-radius: 999px; background: var(--accent-light); box-shadow: 0 0 0 3px var(--bg-card); color: var(--primary-light); font-size: 11.5px; font-weight: 800; display: inline-flex; align-items: center; }
.lp-plan__badge--value { background: var(--success-bg); color: var(--success); }
.lp-plans-empty { grid-column: 1 / -1; }

.lp-features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.lp-feature { padding: 22px; border-radius: 18px; background: var(--bg-surface); display: flex; flex-direction: column; gap: 10px; }
.lp-feature i { width: 38px; height: 38px; border-radius: 11px; background: var(--bg-card); display: flex; align-items: center; justify-content: center; font-style: normal; }
.lp-feature strong { font-size: 15.5px; }
.lp-feature p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--text-secondary); }

.lp-checkout { position: sticky; top: 104px; padding: 26px; border-radius: 22px; background: var(--bg-card); border: 1px solid var(--border); box-shadow: var(--shadow-md); display: flex; flex-direction: column; gap: 18px; }
.lp-checkout h3 { margin: 0; font-family: var(--font-body); font-size: 18px; font-weight: 700; }
.lp-secure { display: flex; justify-content: center; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-secondary); }

/* How it works */
.lp-section { padding: 88px 0; }
.lp-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.lp-steps li { padding-top: 22px; border-top: 2px solid var(--border-strong); display: flex; flex-direction: column; gap: 10px; }
.lp-steps li:first-child { border-top-color: var(--text-primary); }
.lp-steps b { font-family: var(--font-heading); font-size: 40px; font-weight: 500; color: var(--primary-light); line-height: 1; }
.lp-steps strong { font-size: 18px; }
.lp-steps p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--text-secondary); }

/* Track */
.lp-track { position: relative; overflow: hidden; padding: 56px 64px; border-radius: 28px; background: var(--espresso); color: var(--on-espresso); display: grid; grid-template-columns: minmax(0, 1fr) 520px; gap: 32px 64px; align-items: center; }
[data-theme="dark"] .lp-track { border: 1px solid #3A2E26; }
.lp-track__rings { position: absolute; left: -160px; bottom: -220px; pointer-events: none; }
.lp-track > * { position: relative; }
.lp-track > .lp-track__rings { position: absolute; }
.lp-track h2 { margin: 0; font-family: var(--font-heading); font-size: 42px; font-weight: 500; letter-spacing: -0.02em; color: var(--on-espresso); }
.lp-track p { margin: 14px 0 0; font-size: 16.5px; line-height: 1.6; color: #D9C3AC; }
.lp-track form { display: flex; flex-direction: column; gap: 10px; }
.lp-track label { font-size: 13.5px; font-weight: 700; color: var(--on-espresso); }
.lp-track__row { display: flex; gap: 10px; }
.lp-track input {
    flex: 1; min-width: 0; height: 54px; padding: 0 18px; box-sizing: border-box; border-radius: 14px;
    border: 1px solid #5A4A3E; background: #3A2C23; color: var(--on-espresso);
    font-family: var(--font-body); font-size: 16px; font-weight: 600;
}
.lp-track input::placeholder { color: #B8A391; font-weight: 500; }
.lp-track input:focus { outline: none; border-color: var(--caramel-light); box-shadow: 0 0 0 3px rgba(227, 178, 122, 0.25); }
.lp-track__hint { font-size: 13.5px; color: #CDB9A5; }
.lp-track__hint a { color: var(--caramel-light); font-weight: 700; }
.lp-results { grid-column: 1 / -1; display: none; flex-direction: column; gap: 10px; }
.lp-results.is-open { display: flex; }
.lp-result { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 16px; background: #34271F; border: 1px solid #45362B; }
.lp-result__title { font-size: 15px; font-weight: 700; color: var(--on-espresso); }
.lp-result__sub { margin-top: 3px; font-size: 12.5px; color: #CDB9A5; font-variant-numeric: tabular-nums; }
.lp-result .ui-pill { margin-left: auto; }
.lp-results__msg { padding: 14px 16px; border-radius: 14px; background: #34271F; color: #F0DCC6; font-size: 14px; }

/* FAQ */
.lp-faq { display: grid; grid-template-columns: 400px minmax(0, 1fr); gap: 80px; }
.lp-faq__intro { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.lp-faq__list { border-top: 1px solid var(--border-strong); }
.lp-faq details { border-bottom: 1px solid var(--border-strong); }
.lp-faq summary { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 16px; list-style: none; cursor: pointer; font-size: 18px; font-weight: 700; }
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq__plus { width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%; background: var(--accent-light); color: var(--primary); display: flex; align-items: center; justify-content: center; transition: transform 0.2s; }
.lp-faq details[open] .lp-faq__plus { transform: rotate(45deg); }
.lp-faq details p { margin: 0 56px 24px 0; font-size: 16px; line-height: 1.65; color: var(--text-secondary); }

/* Footer */
.lp-footer { margin-top: 24px; background: var(--espresso); color: var(--on-espresso); padding: 56px 0 32px; }
[data-theme="dark"] .lp-footer { background: #1E1814; border-top: 1px solid var(--border); }
.lp-footer__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 48px; }
.lp-footer .lp-brand { color: var(--on-espresso); }
.lp-footer .lp-brand__logo { background: var(--on-espresso); color: var(--primary); }
[data-theme="dark"] .lp-footer .lp-brand__logo { background: #F3EDE6; color: #6B4226; }
.lp-footer .lp-brand__name span { color: var(--caramel-light); }
.lp-footer p { margin: 14px 0 0; max-width: 320px; font-size: 14.5px; line-height: 1.6; color: #CDB9A5; }
.lp-footer nav { display: flex; flex-direction: column; gap: 10px; font-size: 14.5px; }
.lp-footer nav span { font-size: 12px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: #CDB9A5; }
.lp-footer nav a { color: var(--on-espresso); text-decoration: none; }
.lp-footer nav a:hover { color: var(--caramel-light); }
.lp-footer__base { margin-top: 44px; padding-top: 22px; border-top: 1px solid #45362B; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13.5px; color: #CDB9A5; }
.lp-footer__base a { color: inherit; font-weight: 700; }

/* "Continue your purchase" reminder */
.lp-resume {
    position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 60;
    width: min(520px, calc(100% - 32px)); box-sizing: border-box;
    padding: 12px 12px 12px 18px; border-radius: 18px; background: var(--espresso); color: var(--on-espresso);
    box-shadow: var(--shadow-xl); display: none; align-items: center; gap: 12px;
}
.lp-resume.is-open { display: flex; }
.lp-resume__text { flex: 1; min-width: 0; font-size: 14px; }
.lp-resume__text strong { color: var(--caramel-light); }
.lp-resume__close { width: 36px; height: 36px; border: 0; border-radius: 10px; background: transparent; color: #CDB9A5; cursor: pointer; font-size: 20px; line-height: 1; }

/* ─── Responsive ─── */
@media (max-width: 1180px) {
    .lp-links { display: none; }
    .lp-hero .lp-wrap { grid-template-columns: minmax(0, 1fr); gap: 48px; }
    .lp-receipt { max-width: 520px; }
    .lp-buy { grid-template-columns: minmax(0, 1fr); }
    .lp-checkout { position: static; }
    .lp-track { grid-template-columns: minmax(0, 1fr); }
    .lp-faq { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 900px) {
    .lp-plans { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lp-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
    .lp-features { grid-template-columns: minmax(0, 1fr); }
    .lp-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .lp-wrap { padding: 0 16px; }
    .lp-nav .lp-wrap { height: 64px; }
    .lp-brand__logo { width: 34px; height: 34px; font-size: 19px; border-radius: 10px; }
    .lp-brand__name { font-size: 18px; }
    .lp-login { display: none; }
    .lp-long { display: none; }
    .lp-short { display: inline; }
    .lp-nav .ui-btn--primary { height: 40px; padding: 0 14px; font-size: 14px; }
    .lp-hero .lp-wrap { padding-top: 32px; padding-bottom: 56px; gap: 36px; }
    .lp-hero h1 { font-size: 46px; }
    .lp-hero__lead { font-size: 16.5px; }
    .lp-cta .ui-btn { flex: 1; }
    .lp-receipt__card { padding: 22px; }
    .lp-band, .lp-section { padding: 56px 0; }
    .lp-h2 { font-size: 34px; }
    .lp-head { margin-bottom: 28px; }
    .lp-plans { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .lp-plan { min-height: 132px; padding: 16px; }
    .lp-plan__size { font-size: 30px; }
    .lp-checkout { padding: 20px; }
    .lp-steps { grid-template-columns: minmax(0, 1fr); }
    .lp-track { padding: 32px 20px; border-radius: 22px; }
    .lp-track h2 { font-size: 32px; }
    .lp-track__row { flex-direction: column; }
    .lp-faq summary { font-size: 16.5px; }
    .lp-faq details p { margin-right: 0; }
    .lp-footer__grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}
@media (max-width: 640px) {
    .lp-receipt__shadow { inset: 14px -6px -10px 14px; }
}

/* Floating "Track order" button (always visible) */
.lp-track-fab {
    position: fixed; right: 24px; bottom: 24px; z-index: 70;
    height: 52px; padding: 0 22px; border: 0; border-radius: 999px;
    background: var(--espresso); color: var(--on-espresso);
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-body); font-size: 15px; font-weight: 700; cursor: pointer;
    box-shadow: 0 10px 28px rgba(42, 31, 25, 0.28);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.lp-track-fab:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(42, 31, 25, 0.34); }
.lp-track-fab svg { color: var(--caramel-light); }
[data-theme="dark"] .lp-track-fab { background: var(--caramel-light); color: #2A1F19; }
[data-theme="dark"] .lp-track-fab svg { color: #2A1F19; }
/* Keep the "continue your purchase" bar clear of the button */
.lp-resume { bottom: 88px; }

/* Tracking results on a light surface (modal) */
.lp-results--light .lp-result { background: var(--bg-surface); border-color: var(--border); }
.lp-results--light .lp-result__title { color: var(--text-primary); }
.lp-results--light .lp-result__sub { color: var(--text-muted); }
.lp-results--light .lp-results__msg { background: var(--bg-surface); color: var(--text-secondary); }

@media (max-width: 640px) {
    .lp-track-fab { right: 16px; bottom: 16px; height: 48px; padding: 0 18px; font-size: 14.5px; }
    .lp-resume { bottom: 76px; }
}