/* FXDog base v2: reset, typography, layout, page template, header, drawer, footer.
   Depends on tokens.css. */

/* ---------- reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + var(--sp-4));
}
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: var(--lh-base);
  font-feature-settings: "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
/* sticky-bottom footer: main grows, footer sits at the bottom of short pages */
body > main {
  flex: 1 0 auto;
  width: 100%;
}
body > #siteHeader,
body > .site-footer {
  flex: none;
}
:where(img, svg, video) {
  max-width: 100%;
  height: auto;
}
:where(button, input, select, textarea) {
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
}
button {
  cursor: pointer;
}
[hidden] {
  display: none !important;
}
:where(h1, h2, h3, h4) {
  margin: 0 0 var(--sp-2);
  color: var(--text-strong);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-heading);
  letter-spacing: 0;
}
/* v5 type scale: h1 36/700 · h2 28/600 · h3 20/600 · h4 16/600 · body 16/400 · small 14 · caption 12 */
:where(h1) {
  font-size: var(--text-h1);
  font-weight: var(--fw-bold);
}
:where(h2) {
  font-size: var(--text-h2);
}
:where(h3) {
  font-size: var(--text-h3);
}
:where(h4) {
  font-size: var(--text-h4);
}
:where(p) {
  margin: 0 0 var(--sp-4);
}
small {
  font-size: var(--text-caption);
  line-height: var(--lh-ui);
}
:where(a) {
  color: var(--primary-text);
  text-decoration: none;
  text-underline-offset: 3px;
}
:where(a:hover) {
  text-decoration: underline;
}
code,
kbd,
pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}
hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: var(--sp-8) 0;
}
::selection {
  background: var(--primary-soft);
}
:focus-visible {
  outline: 2px solid var(--primary-text);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}
/* numbers align in all data contexts (v5: tabular lining figures in the numeric stack) */
table,
time,
.num,
.price,
.balance-number,
.metric strong,
.pager-info,
.plan-allowance strong,
.flagship-tier-allowance strong,
input[type="number"] {
  font-variant-numeric: tabular-nums lining-nums;
}
.num,
.price,
.balance-number,
.plan-allowance strong,
.flagship-tier-allowance strong,
.flagship-quota,
.balance-grant strong,
td.num,
th.num {
  font-family: var(--font-num);
}
.visually-hidden {
  position: absolute !important; /* utility: must win */
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: -100px;
  z-index: 100;
  padding: var(--sp-2) var(--sp-4);
  background: var(--primary);
  color: var(--primary-ink);
  border-radius: var(--r-sm);
}
.skip-link:focus {
  top: var(--sp-2);
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important; /* a11y override */
    transition-duration: 0.01ms !important; /* a11y override */
    scroll-behavior: auto !important; /* a11y override */
  }
}

/* ---------- layout ---------- */
.container,
.page-shell,
.product-wrap,
.ai-container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.page-shell {
  padding-block: var(--page-top) var(--sp-16);
}
.section {
  padding-block: var(--space-section);
}
.stack > * + * {
  margin-top: var(--sp-6);
}

/* ---------- page header (v4): plain title + description on the page background,
   separated from content by a 1px rule. No bands, gradients or patterns. */
.page-hero,
.page-head,
.notice-heading {
  position: relative;
  margin: 0 0 var(--sp-10);
  padding: 0 0 var(--sp-8);
  border-bottom: 1px solid var(--border);
}
.account-heading {
  position: relative;
  margin: 0 0 var(--sp-8);
  padding: 0 0 var(--sp-6);
  border-bottom: 1px solid var(--border);
}
.page-hero h1,
.page-head h1,
.notice-heading h1 {
  margin: 0 0 var(--sp-2);
  font-size: var(--text-h1);
  font-weight: var(--fw-bold);
  letter-spacing: 0;
  line-height: var(--lh-heading);
}
.account-heading h1 {
  margin: 0;
  font-size: var(--text-h2);
  letter-spacing: 0;
}
.page-hero p,
.page-head p,
.notice-heading p,
.page-desc {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: var(--text-body);
  line-height: var(--lh-body);
}
/* v5: no eyebrow / overline labels above headings (markup kept where JS or i18n relies on it) */
.page-hero > .eyebrow,
.page-head > .eyebrow,
.notice-heading > .eyebrow,
.account-heading .eyebrow,
.form-card > .eyebrow,
.launch-copy > .product-eyebrow {
  display: none;
}
.eyebrow,
.product-eyebrow,
.ai-overline,
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  width: fit-content;
  color: var(--primary-text);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.page-hero .actions,
.page-head .actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}
.src-note,
.meta-line {
  display: block;
  margin-top: var(--sp-3);
  color: var(--subtle);
  font-size: var(--fs-14);
}

/* ---------- site header ---------- */
#siteHeader {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-h);
}
.site-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  width: 100%;
  max-width: calc(var(--container) + 80px + var(--gutter) * 2);
  height: var(--header-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.brand {
  display: flex;
  flex: none;
  align-items: center;
  line-height: 0;
  border-radius: var(--r-sm);
}
.brand:hover {
  text-decoration: none;
}
.brand-logo {
  width: auto;
  height: 40px;
}
.brand-logo.light,
html[data-theme="light"] .brand-logo.dark,
body.light .brand-logo.dark {
  display: none;
}
html[data-theme="light"] .brand-logo.light,
body.light .brand-logo.light {
  display: block;
}
.site-header .nav {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
}
.site-header .nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  border-radius: var(--r-md);
  color: var(--nav-link);
  font-size: var(--fs-14);
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.15s var(--ease), background-color 0.15s var(--ease);
}
.site-header .nav a:hover {
  color: var(--nav-link-hover);
  background: var(--nav-hover-bg);
  text-decoration: none;
}
.site-header .nav a.active,
.site-header .nav a[aria-current="page"] {
  color: var(--nav-active-text);
  background: var(--nav-active-bg);
  box-shadow: var(--nav-active-shadow);
  font-weight: 600;
}
/* original v7 header: nav links sit inside a rounded pill container */
@media (min-width: 1101px) {
  .site-header .nav {
    flex: 0 1 auto;
    margin-inline: auto;
    padding: 4px;
    border: 1px solid var(--nav-border);
    border-radius: 12px;
    background: var(--nav-bg);
    box-shadow: none;
  }
  html[data-theme="light"] .site-header .nav,
  body.light .site-header .nav {
    box-shadow: none;
  }
}
.site-header .tools {
  display: flex;
  flex: none;
  align-items: center;
  gap: var(--sp-2);
  white-space: nowrap;
}
/* theme toggle: plain 40px icon button like the original; shows the current mode */
.site-header .theme {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--theme-border);
  border-radius: var(--r-md);
  background: var(--theme-bg);
  color: var(--primary-text);
}
.site-header .theme:hover {
  border-color: var(--primary-text);
}
.site-header .theme svg {
  width: 18px;
  height: 18px;
}
.site-header .theme .icon-sun,
html[data-theme="light"] .site-header .theme .icon-moon,
body.light .site-header .theme .icon-moon {
  display: none;
}
html[data-theme="light"] .site-header .theme .icon-sun,
body.light .site-header .theme .icon-sun {
  display: block;
  color: var(--sun);
}
.site-header .menu-toggle,
.site-header .menu-close {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background: transparent;
  color: var(--muted);
}
.site-header .menu-toggle:hover,
.site-header .menu-close:hover {
  color: var(--text);
  background: var(--panel-2);
}
.site-header .menu-toggle svg,
.site-header .menu-close svg {
  width: 18px;
  height: 18px;
}
.site-header .menu-toggle {
  display: none;
}
.site-header .login,
.site-header .signup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--fs-14);
  font-weight: 600;
  white-space: nowrap;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.site-header .login {
  border: 1px solid var(--login-border);
  color: var(--login-text);
  background: var(--login-bg);
}
.site-header .login:hover {
  background: var(--login-hover-bg);
  color: var(--login-text);
  text-decoration: none;
}
.site-header .signup {
  border: 1px solid transparent;
  padding: 0 var(--sp-4);
  background: var(--signup-bg);
  color: var(--signup-ink);
  box-shadow: var(--signup-shadow);
}
.site-header .signup:hover {
  background: var(--primary-hover);
  text-decoration: none;
}
/* drawer (mobile navigation) */
.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s var(--ease), visibility 0.2s;
}
.nav-drawer-head,
.nav-drawer-foot {
  display: none;
}
@media (max-width: 1240px) {
  .site-header .nav a {
    padding: 0 10px;
  }
  .site-header__inner {
    gap: var(--sp-4);
  }
}
@media (max-width: 960px) {
  :root,
  html[data-theme] {
    --gutter: 16px;
    --header-h: 56px;
    --space-section: 64px;
    --space-block: 40px;
    --page-top: 32px;
  }
}
@media (max-width: 1100px) {
  .site-header .brand-logo {
    height: 34px;
  }
  .site-header {
    /* backdrop-filter would trap the fixed drawer inside the header box */
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--bg-deep);
  }
  .site-header .menu-toggle {
    display: inline-grid;
  }
  .site-header .tools {
    margin-left: auto;
  }
  .site-header .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--sp-1);
    width: min(320px, 86vw);
    padding: var(--sp-4);
    overflow-y: auto;
    background: var(--panel);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-2);
    transform: translateX(105%);
    visibility: hidden;
    transition: transform 0.24s var(--ease), visibility 0.24s;
  }
  .site-header .nav a {
    height: 44px;
    padding: 0 var(--sp-3);
    border-radius: var(--r-md);
    font-size: var(--fs-16);
  }
  .site-header .nav a.active::after,
  .site-header .nav a[aria-current="page"]::after {
    left: 0;
    right: auto;
    top: 10px;
    bottom: 10px;
    width: 3px;
    height: auto;
  }
  .nav-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-3);
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--border);
    color: var(--muted);
    font-size: var(--fs-14);
  }
  .nav-drawer-foot {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-2);
    margin-top: auto;
    padding-top: var(--sp-4);
    border-top: 1px solid var(--border);
  }
  .nav-drawer-foot:empty {
    display: none;
  }
  body.nav-open {
    overflow: hidden;
  }
  body.nav-open .site-header .nav {
    transform: none;
    visibility: visible;
  }
  body.nav-open .nav-backdrop {
    opacity: 1;
    visibility: visible;
  }
}
@media (max-width: 420px) {
  .site-header .brand-logo {
    height: 30px;
  }
  .site-header .tools {
    gap: 6px;
  }
  .site-header .login,
  .site-header .signup {
    height: 34px;
    padding: 0 10px;
  }
  .site-header .menu-toggle {
    width: 34px;
    height: 34px;
  }
}

/* ---------- footer (v4): original single-row footer + risk note ---------- */
.site-footer {
  margin-top: var(--sp-16);
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--muted);
  font-size: var(--fs-14);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4) var(--sp-10);
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding: var(--sp-8) var(--gutter);
}
.site-footer__brand {
  display: grid;
  gap: 6px;
  max-width: 620px;
}
.site-footer__brand strong {
  color: var(--text);
  font-weight: 500;
}
.site-footer__brand small {
  color: var(--subtle);
  font-size: var(--fs-12);
  line-height: 1.6;
}
.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-5);
}
.site-footer__links a {
  color: var(--muted);
}
.site-footer__links a:hover {
  color: var(--primary-text);
  text-decoration: none;
}
@media (max-width: 640px) {
  .site-footer {
    margin-top: var(--sp-12);
  }
  .site-footer__inner {
    flex-direction: column;
    padding-block: var(--sp-6);
  }
}

@media (max-width: 640px) {
  :root,
  html[data-theme] {
    --text-display: 32px;
    --text-h1: 28px;
    --text-h2: 24px;
    --text-h3: 18px;
    --space-section: 48px;
    --page-top: 24px;
  }
  .page-shell {
    padding-block: var(--sp-6) var(--sp-10);
  }
  .page-hero,
  .page-head,
  .notice-heading {
    margin: 0 0 var(--sp-6);
    padding: 0 0 var(--sp-6);
  }
  .account-heading {
    margin-bottom: var(--sp-5);
  }
  .page-hero p,
  .page-head p,
  .notice-heading p {
    font-size: var(--fs-16);
  }
}