@import url("./styles/home.css");
@import url("./styles/consultant.css");
@import url("./styles/pages.css");

/* Shared tokens and primitives. Page modules own their responsive layouts. */
:root {
  color-scheme: light;
  --paper: #f6f7f2;
  --paper-bright: #ffffff;
  --ink: #142c24;
  --ink-soft: #35483f;
  --muted: #607168;
  --line: #dce2d9;
  --jade: #256d4f;
  --jade-deep: #154e38;
  --jade-pale: #d9e8d9;
  --accent: #d7f28e;
  --shell: min(1200px, calc(100% - 80px));
  --header-height: 80px;
  --radius: 12px;
  --ease: cubic-bezier(.2,.7,.3,1);
  --font: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body { margin: 0; min-width: 0; color: var(--ink); background: var(--paper); font-family: var(--font); -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--jade); outline-offset: 5px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 100; padding: 12px 16px; background: var(--jade-deep); color: white; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: var(--shell); margin-inline: auto; }
section[id] { scroll-margin-top: 16px; }
.section-label { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; color: var(--jade); font-size: 12px; line-height: 1.5; font-weight: 650; }
.section-label::before { content: ""; flex: 0 0 6px; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 48px; padding: 12px 22px; border: 1px solid transparent; border-radius: 7px; font-size: 14px; font-weight: 650; line-height: 1.4; transition: background 180ms, color 180ms, transform 180ms; }
.button:hover { transform: translateY(-2px); }
.button-jade, .button-dark { background: var(--jade-deep); color: white; }
.button-jade:hover, .button-dark:hover { background: #226a4e; }
.button-primary { background: var(--accent); color: var(--ink); }
.button-outline { padding-inline: 0; border-radius: 0; border-bottom-color: var(--line); color: var(--jade-deep); }
.button-outline:hover { color: var(--jade); border-bottom-color: var(--jade); }
.text-action { display: inline-flex; align-items: center; gap: 28px; min-height: 48px; font-size: 14px; font-weight: 650; border-bottom: 1px solid var(--jade); }
.text-action span, .future-cta span { transition: transform 200ms var(--ease); }
.text-action:hover span, .application-future a:hover .future-cta span { transform: translate(3px,-3px); }
.scroll-progress { position: fixed; inset: 0 auto auto 0; height: 2px; z-index: 60; pointer-events: none; background: var(--jade); }

/* Consistent desktop and mobile navigation. */
.topbar { position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 32px; height: var(--header-height); padding: 0 max(40px,calc((100% - 1200px)/2)); background: rgba(246,247,242,.92); color: var(--ink); border-bottom: 1px solid transparent; transition: border-color 200ms, background 200ms; }
.topbar.is-scrolled { border-bottom-color: var(--line); backdrop-filter: blur(16px); }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 11px; }
.brand-seal { display: grid; place-items: center; width: 34px; height: 36px; background: var(--jade-deep); color: #f1f6e7; border-radius: 6px 6px 12px 6px; font: 21px/1 "STSong","SimSun",serif; }
.brand-name { font-size: 20px; font-weight: 760; }
.topnav { display: flex; align-items: center; gap: 30px; font-size: 13px; font-weight: 550; }
.topnav a { display: inline-flex; align-items: center; min-height: 44px; gap: 20px; }
.topnav a:hover { color: var(--jade); }
.topnav .nav-consult { padding: 10px 18px; border-radius: 6px; background: var(--jade-deep); color: white; }
.topnav .nav-consult:hover { background: var(--jade); color: white; }
.nav-toggle { display: none; border: 0; background: none; }
body.nav-open { overflow: hidden; }

/* Quiet, shared footer and non-intrusive consultation shortcut. */
.footer { padding: 52px 0 28px; background: #eaf0e5; }
.footer-inner { display: grid; grid-template-columns: minmax(180px,1fr) minmax(0,1.8fr); gap: 36px; }
.footer-inner > div strong { display: block; font-size: 28px; font-weight: 750; }
.footer-inner > div > span { display: block; margin-top: 12px; color: var(--muted); font-size: 12px; }
.footer nav { display: flex; justify-content: flex-end; align-content: start; align-items: start; flex-wrap: wrap; gap: 4px 24px; font-size: 12px; }
.footer nav a { min-height: 44px; display: flex; align-items: center; }
.footer nav a:hover { color: var(--jade); }
.footer-inner > p { grid-column: 1/-1; padding-top: 24px; border-top: 1px solid #cfd9cc; color: var(--muted); font-size: 12px; }
.floating-consult { position: fixed; right: 24px; bottom: max(24px,env(safe-area-inset-bottom)); z-index: 30; display: inline-flex; align-items: center; gap: 12px; min-height: 48px; padding: 6px 6px 6px 17px; border: 1px solid var(--line); border-radius: 30px; background: var(--paper-bright); box-shadow: 0 4px 24px #173d2412; color: var(--jade-deep); font-size: 12px; font-weight: 650; visibility: hidden; opacity: 0; transform: translateY(10px); transition: opacity 200ms, transform 200ms, visibility 200ms; }
.floating-consult i { display: grid; place-items: center; width: 34px; height: 34px; background: var(--jade-deep); color: white; border-radius: 50%; font-size: 17px; font-style: normal; }
.floating-consult.is-visible { visibility: visible; opacity: 1; transform: none; }
body.nav-open .floating-consult { visibility: hidden; }

/* Progressive motion: content remains available if JavaScript is absent. */
[data-reveal] { transition: opacity 280ms var(--ease), transform 280ms var(--ease); }
[data-reveal].reveal-pending { opacity: 0; transform: translateY(18px); }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (max-width: 1040px) { :root { --shell: calc(100% - 56px); } .topbar { padding-inline: 28px; } .topnav { gap: 24px; } }
@media (max-width: 760px) {
  :root { --shell: calc(100% - 40px); --header-height: 68px; }
  .topbar { padding-inline: 20px; }
  .brand, .nav-toggle { position: relative; z-index: 2; }
  .brand-name { font-size: 18px; }
  .nav-toggle { display: block; position: relative; width: 44px; height: 44px; padding: 0; }
  .nav-toggle span { position: absolute; left: 9px; right: 9px; height: 1.5px; background: currentColor; transition: transform 200ms, top 200ms; }
  .nav-toggle span:first-child { top: 17px; }.nav-toggle span:last-child { top: 26px; }
  .nav-toggle[aria-expanded="true"] span:first-child { top: 21px; transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { top: 21px; transform: rotate(-45deg); }
  .topnav { position: fixed; inset: 0; z-index: 1; height: 100svh; padding: 104px 24px 40px; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 12px; overflow-y: auto; background: var(--paper); visibility: hidden; pointer-events: none; opacity: 0; transform: translateY(-12px); transition: opacity 200ms, transform 200ms, visibility 200ms; }
  .topnav.is-open { visibility: visible; pointer-events: auto; opacity: 1; transform: none; }
  .topnav a { padding: 14px 0; font-size: 20px; border-bottom: 1px solid var(--line); }
  .topnav .nav-consult { margin-top: 16px; justify-content: space-between; padding: 18px; }
  .footer { padding-top: 40px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer nav { justify-content: flex-start; }
  .footer-inner > p { padding-bottom: 48px; }
  .floating-consult { right: 14px; bottom: max(14px,env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  html, .chat-messages { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal].reveal-pending, [data-reveal].is-visible { opacity: 1; transform: none; }
}