/* ==========================================================================
   Meihang Co., Limited — Global Design System
   css/style.css  ·  the single stylesheet of the entire site
   --------------------------------------------------------------------------
   1. Design tokens          7. Sections & blocks
   2. Reset & base           8. Mascots
   3. Layout & grid          9. Responsive
   4. Header & navigation   10. Motion preferences
   5. Footer
   6. Components & motion
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* --- raw palette: ink, graphite, chrome silver, champagne accent --------- */
  --c-ink:          #0A0B0D;
  --c-ink-2:        #14161A;
  --c-graphite:     #22262C;
  --c-steel:        #3C434D;
  --c-silver:       #79818C;
  --c-mist:         #C6CCD3;
  --c-line:         #E2E5E9;
  --c-line-soft:    #EFF1F4;
  --c-paper:        #FFFFFF;
  --c-ivory:        #F7F5F1;
  --c-ivory-2:      #EFEDE8;
  --c-accent:       #C8A165;   /* champagne */
  --c-accent-deep:  #9C7740;
  --c-accent-soft:  #EBDCC0;
  --c-navy:         #1C3557;
  --c-navy-soft:    #2B4A76;
  --c-ok:           #2F7A5B;
  --c-warn:         #A8622A;
  --c-danger:       #A33A32;

  /* --- semantic roles ---------------------------------------------------- */
  --bg-body:        var(--c-ivory);
  --bg-elev:        var(--c-paper);
  --bg-dark:        var(--c-ink);
  --fg:             var(--c-ink);
  --fg-soft:        var(--c-steel);
  --fg-mute:        var(--c-silver);
  --fg-on-dark:     #EDEFF2;
  --fg-on-dark-soft:#A8AFB9;
  --line:           var(--c-line);
  --line-on-dark:   rgba(255, 255, 255, .12);
  --brand:          var(--c-accent);
  --brand-ink:      var(--c-accent-deep);
  --link:           var(--c-navy);
  --link-hover:     var(--c-accent-deep);

  /* --- gradients --------------------------------------------------------- */
  --grad-chrome: linear-gradient(135deg, #F5F7F9 0%, #B7BEC7 24%, #EFF2F4 46%, #9EA7B1 68%, #E4E8EC 100%);
  --grad-ink:    linear-gradient(158deg, #0A0B0D 0%, #1C2027 52%, #0A0B0D 100%);
  --grad-accent: linear-gradient(118deg, #DCB77F 0%, #C8A165 46%, #A57C43 100%);
  --grad-hairline: linear-gradient(90deg, transparent, rgba(10, 11, 13, .16), transparent);
  --grad-hero:   linear-gradient(96deg, rgba(10,11,13,.94) 0%, rgba(10,11,13,.80) 42%, rgba(10,11,13,.42) 72%, rgba(10,11,13,.66) 100%);

  /* --- typography -------------------------------------------------------- */
  --font-display: "Helvetica Neue", Helvetica, "Segoe UI", Arial, system-ui, sans-serif;
  --font-body:    "Segoe UI", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Arial, sans-serif;
  --font-mono:    "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;

  --fs-display: clamp(2.55rem, 1.30rem + 5.30vw, 5.50rem);
  --fs-h1:      clamp(2.05rem, 1.28rem + 3.20vw, 3.90rem);
  --fs-h2:      clamp(1.70rem, 1.20rem + 2.00vw, 2.80rem);
  --fs-h3:      clamp(1.22rem, 1.06rem + .62vw, 1.58rem);
  --fs-h4:      1.06rem;
  --fs-body:    clamp(.975rem, .945rem + .16vw, 1.055rem);
  --fs-sm:      .875rem;
  --fs-xs:      .775rem;

  --lh-display: 1.02;
  --lh-snug:    1.20;
  --lh-body:    1.72;
  --tr-wide:    .20em;
  --tr-mid:     .08em;

  /* --- spacing scale (8pt) ----------------------------------------------- */
  --sp-1: 4px;   --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 24px;  --sp-6: 32px;  --sp-7: 40px;  --sp-8: 56px;
  --sp-9: 72px;  --sp-10: 96px; --sp-11: 128px; --sp-12: 168px;

  --section-y: clamp(72px, 8.4vw, 132px);
  --gutter:    clamp(20px, 4.2vw, 44px);
  /* horizontal reveal offset — must stay strictly below --gutter, otherwise the
     pre-animation transform pushes an element past the viewport edge and widens
     the initial containing block (which then breaks fixed headers/floating UI) */
  --slide-x:   clamp(10px, 3.4vw, 36px);
  --container:  1200px;
  --container-wide: 1420px;

  /* --- shape ------------------------------------------------------------- */
  --r-xs: 3px;  --r-sm: 6px;  --r-md: 10px; --r-lg: 16px;
  --r-xl: 24px; --r-pill: 999px;

  --sh-xs: 0 1px 2px rgba(10, 11, 13, .06);
  --sh-sm: 0 2px 10px rgba(10, 11, 13, .06);
  --sh-md: 0 14px 34px -18px rgba(10, 11, 13, .28);
  --sh-lg: 0 34px 70px -34px rgba(10, 11, 13, .40);
  --sh-dark: 0 24px 60px -30px rgba(0, 0, 0, .70);
  --ring: 0 0 0 3px rgba(200, 161, 101, .38);

  /* --- motion ------------------------------------------------------------ */
  --e-out: cubic-bezier(.22, .68, .30, 1);
  --e-in-out: cubic-bezier(.62, .04, .28, .96);
  --e-spring: cubic-bezier(.34, 1.46, .48, 1);
  --t-fast: .18s;
  --t-base: .34s;
  --t-slow: .62s;
  --t-reveal: .78s;

  /* --- layers ------------------------------------------------------------ */
  --z-base: 1; --z-raised: 10; --z-sticky: 60; --z-header: 80;
  --z-drawer: 90; --z-top: 95; --z-toast: 100;
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  background: var(--bg-body);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-snug);
  letter-spacing: -.015em;
  color: var(--fg);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p  { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--link);
  text-decoration: none;
  transition: color var(--t-fast) var(--e-out);
}
a:hover { color: var(--link-hover); }

img, svg, video { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0 0 1.15em; padding-left: 1.25em; }
li { margin-bottom: .45em; }
strong { font-weight: 650; color: var(--fg); }
small  { font-size: var(--fs-xs); }
hr {
  border: 0;
  height: 1px;
  background: var(--grad-hairline);
  margin: var(--sp-8) 0;
}
code {
  font-family: var(--font-mono);
  font-size: .88em;
  background: var(--c-ivory-2);
  padding: .12em .42em;
  border-radius: var(--r-xs);
}

::selection { background: var(--c-accent); color: var(--c-ink); }

:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

input, textarea, select, button { font: inherit; color: inherit; }
button { cursor: pointer; }

/* --------------------------------------------------------------------------
   3. LAYOUT & GRID
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: 880px; }

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(56px, 6vw, 92px); }
.section--flush-top { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

.section--dark {
  background: var(--bg-dark);
  color: var(--fg-on-dark);
}
.section--dark h1, .section--dark h2,
.section--dark h3, .section--dark h4 { color: var(--fg-on-dark); }
.section--dark p { color: var(--fg-on-dark-soft); }
.section--paper { background: var(--bg-elev); }
.section--graphite { background: var(--c-ink-2); color: var(--fg-on-dark); }
.section--graphite h2, .section--graphite h3 { color: var(--fg-on-dark); }

.section--hairline { border-top: 1px solid var(--line); }

.grid { display: grid; gap: var(--sp-5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--tight { gap: var(--sp-4); }
.grid--loose { gap: var(--sp-6); }
.grid--split { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: clamp(32px, 5vw, 84px); }
.grid--split-reverse { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: center; gap: clamp(32px, 5vw, 84px); }

.stack > * + * { margin-top: var(--sp-4); }
.stack-lg > * + * { margin-top: var(--sp-6); }

/* section heading ------------------------------------------------------- */
.section-head { max-width: 760px; margin-bottom: clamp(36px, 4.4vw, 64px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--wide { max-width: 900px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tr-wide);
  text-transform: uppercase;
  color: var(--brand-ink);
  margin-bottom: var(--sp-4);
}
.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
  opacity: .6;
}
.section-head--center .eyebrow::before { display: none; }
.section--dark .eyebrow, .section--graphite .eyebrow { color: var(--c-accent); }

.section-title { margin-bottom: var(--sp-4); }
.section-lead {
  font-size: clamp(1rem, .96rem + .28vw, 1.13rem);
  color: var(--fg-soft);
  max-width: 62ch;
}
.section--dark .section-lead, .section--graphite .section-lead { color: var(--fg-on-dark-soft); }
.section-head--center .section-lead { margin-inline: auto; }

.text-center { text-align: center; }
.muted { color: var(--fg-mute); }
.small { font-size: var(--fs-sm); }
.eyebrow-inline { letter-spacing: var(--tr-mid); text-transform: uppercase; font-size: var(--fs-xs); font-weight: 600; }
.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;
}

/* --------------------------------------------------------------------------
   4. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  transition: background-color var(--t-base) var(--e-out),
              box-shadow var(--t-base) var(--e-out),
              transform var(--t-base) var(--e-out),
              border-color var(--t-base) var(--e-out);
  border-bottom: 1px solid transparent;
}
.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--grad-hairline);
  opacity: 0;
  transition: opacity var(--t-base) var(--e-out);
}
.site-header.is-scrolled {
  background: rgba(250, 249, 246, .88);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom-color: rgba(10, 11, 13, .08);
}
.site-header.is-scrolled::after { opacity: 1; }
.site-header.is-hidden { transform: translateY(-100%); }
.site-header.is-dark {
  background: rgba(10, 11, 13, .55);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
}
.site-header.is-dark.is-scrolled { background: rgba(10, 11, 13, .88); }
.site-header.is-dark { border-bottom-color: rgba(255,255,255,.10); }
.site-header.is-dark .brand-text { color: #fff; }
.site-header.is-dark .nav-link { color: rgba(255,255,255,.80); }
.site-header.is-dark .nav-link:hover,
.site-header.is-dark .nav-link.is-active { color: #fff; }
.site-header.is-dark .nav-link::after { background: var(--c-accent); }
.site-header.is-dark .header-cta { border-color: rgba(255,255,255,.34); color: #fff; }
.site-header.is-dark .header-cta:hover { background: #fff; color: var(--c-ink); border-color: #fff; }
.site-header.is-dark .nav-toggle { color: #fff; }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  min-height: 76px;
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--fg);
}
.brand:hover { color: var(--fg); }
.brand-mark {
  width: 38px; height: 38px;
  flex: 0 0 auto;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--grad-chrome);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.55), var(--sh-xs);
}
.brand-mark svg { width: 22px; height: 22px; color: var(--c-ink); }
.brand-text {
  display: flex; flex-direction: column; line-height: 1.1;
  font-family: var(--font-display);
  font-size: .98rem; font-weight: 650; letter-spacing: .02em;
  transition: color var(--t-base) var(--e-out);
}
.brand-text small {
  font-size: .58rem; letter-spacing: var(--tr-wide);
  text-transform: uppercase; color: var(--fg-mute); font-weight: 500;
}

.nav { display: flex; align-items: center; gap: clamp(18px, 2.2vw, 38px); }
.nav-link {
  position: relative;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: var(--tr-mid);
  text-transform: uppercase;
  color: var(--fg-soft);
  padding-block: 6px;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--c-ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-base) var(--e-out);
}
.nav-link:hover { color: var(--fg); }
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-link.is-active { color: var(--fg); }
.nav-link.is-active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: var(--sp-4); }
.header-cta {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: 10px 20px;
  border: 1px solid rgba(10,11,13,.28);
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: .76rem; font-weight: 650;
  letter-spacing: var(--tr-mid); text-transform: uppercase;
  color: var(--fg);
  transition: all var(--t-base) var(--e-out);
}
.header-cta:hover { background: var(--c-ink); color: #fff; border-color: var(--c-ink); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent; border: 0; border-radius: 50%;
  color: var(--fg);
  transition: color var(--t-base) var(--e-out), background-color var(--t-base) var(--e-out);
}
.nav-toggle svg { width: 24px; height: 24px; }
.nav-toggle:hover { background: rgba(10,11,13,.06); }

/* mobile drawer --------------------------------------------------------- */
.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(10, 11, 13, .58);
  backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden;
  z-index: var(--z-drawer);
  transition: opacity var(--t-base) var(--e-out), visibility var(--t-base);
}
.nav-overlay.is-open { opacity: 1; visibility: visible; }

.mobile-nav {
  position: fixed;
  top: 0; right: 0;
  width: min(86vw, 380px);
  height: 100%;
  padding: 92px var(--sp-6) var(--sp-6);
  background: var(--c-ink);
  color: #fff;
  z-index: calc(var(--z-drawer) + 1);
  transform: translateX(100%);
  transition: transform var(--t-slow) var(--e-out);
  overflow-y: auto;
  display: flex; flex-direction: column;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-6);
  font-family: var(--font-display);
  font-size: .74rem; letter-spacing: var(--tr-wide); text-transform: uppercase;
  color: var(--fg-on-dark-soft);
}
.mobile-nav-close {
  width: 42px; height: 42px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); border: 0; border-radius: 50%; color: #fff;
}
.mobile-nav-close svg { width: 20px; height: 20px; }
.mobile-nav-link {
  display: flex; align-items: baseline; gap: var(--sp-3);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid rgba(255,255,255,.10);
  font-family: var(--font-display);
  font-size: 1.32rem; font-weight: 600; letter-spacing: -.01em;
  color: #fff;
  opacity: 0; transform: translateX(24px);
  transition: opacity .5s var(--e-out), transform .5s var(--e-out), color var(--t-fast);
}
.mobile-nav.is-open .mobile-nav-link { opacity: 1; transform: none; }
.mobile-nav-link .idx {
  font-family: var(--font-mono); font-size: .68rem; color: var(--c-accent);
}
.mobile-nav-link.is-active, .mobile-nav-link:hover { color: var(--c-accent); }
.mobile-nav-foot {
  margin-top: auto; padding-top: var(--sp-6);
  font-size: var(--fs-sm); color: var(--fg-on-dark-soft);
}
.mobile-nav-foot a { color: var(--c-accent); }

/* --------------------------------------------------------------------------
   5. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--c-ink);
  color: var(--fg-on-dark);
  padding-top: clamp(56px, 6vw, 92px);
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: min(1200px, 88%); height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,161,101,.55), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: clamp(28px, 3.4vw, 56px);
  padding-bottom: var(--sp-8);
}
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-text small { color: var(--fg-on-dark-soft); }
.footer-brand p {
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--fg-on-dark-soft);
  max-width: 42ch;
}
.footer-title {
  font-family: var(--font-display);
  font-size: .74rem; font-weight: 650;
  letter-spacing: var(--tr-wide); text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-4);
}
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { margin-bottom: .55em; }
.footer-list a { color: var(--fg-on-dark-soft); font-size: var(--fs-sm); }
.footer-list a:hover { color: #fff; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li {
  display: flex; gap: var(--sp-3); align-items: flex-start;
  margin-bottom: var(--sp-3);
  font-size: var(--fs-sm); color: var(--fg-on-dark-soft);
}
.footer-contact svg { width: 17px; height: 17px; flex: 0 0 auto; margin-top: 4px; color: var(--c-accent); }
.footer-contact a { color: var(--fg-on-dark-soft); }
.footer-contact a:hover { color: #fff; }

.footer-legal {
  border-top: 1px solid rgba(255,255,255,.10);
  padding-block: var(--sp-5);
  display: flex; flex-wrap: wrap; gap: var(--sp-4) var(--sp-6);
  align-items: center; justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--fg-on-dark-soft);
}
.footer-legal-links { display: flex; flex-wrap: wrap; gap: var(--sp-5); }
.footer-legal-links a { color: var(--fg-on-dark-soft); }
.footer-legal-links a:hover { color: var(--c-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: var(--sp-4) var(--sp-5);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.45);
  display: flex; flex-wrap: wrap; gap: var(--sp-3) var(--sp-6); justify-content: space-between;
}

/* --------------------------------------------------------------------------
   6. COMPONENTS
   -------------------------------------------------------------------------- */

/* buttons ---------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-3);
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: .82rem; font-weight: 650;
  letter-spacing: var(--tr-mid); text-transform: uppercase;
  cursor: pointer;
  transition: all var(--t-base) var(--e-out);
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; transition: transform var(--t-base) var(--e-out); }
.btn:hover svg { transform: translateX(4px); }

.btn--primary { background: var(--c-ink); color: #fff; border-color: var(--c-ink); }
.btn--primary:hover { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-ink); box-shadow: var(--sh-md); }

.btn--accent { background: var(--grad-accent); color: var(--c-ink); border-color: transparent; }
.btn--accent:hover { filter: brightness(1.07); box-shadow: var(--sh-md); transform: translateY(-2px); }

.btn--outline { background: transparent; color: var(--fg); border-color: rgba(10,11,13,.26); }
.btn--outline:hover { background: var(--c-ink); color: #fff; border-color: var(--c-ink); }

.btn--light { background: #fff; color: var(--c-ink); border-color: #fff; }
.btn--light:hover { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-ink); transform: translateY(-2px); }

.btn--ghost-light { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.30); backdrop-filter: blur(6px); }
.btn--ghost-light:hover { background: #fff; color: var(--c-ink); border-color: #fff; }

.btn--sm { padding: 10px 20px; font-size: .72rem; }
.btn--block { display: flex; width: 100%; }

/* badges & tags ---------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: var(--c-ivory-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--fg-soft);
}
.badge--accent { background: var(--c-accent-soft); color: var(--c-accent-deep); }
.badge--dark { background: rgba(255,255,255,.10); color: #fff; }
.badge--outline { background: transparent; border: 1px solid var(--line); color: var(--fg-mute); }
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--r-xs);
  font-size: var(--fs-xs); font-weight: 650;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--brand-ink);
  background: var(--c-accent-soft);
}
.chip {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg-elev);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .04em;
  color: var(--fg-soft);
  transition: all var(--t-fast) var(--e-out);
}

/* cards ------------------------------------------------------------------ */
.card {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  transition: transform var(--t-base) var(--e-out), box-shadow var(--t-base) var(--e-out), border-color var(--t-base) var(--e-out);
  overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); border-color: rgba(200,161,101,.42); }
.card h3, .card h4 { margin-bottom: var(--sp-3); }
.card p { color: var(--fg-soft); font-size: var(--fs-sm); }
.card--flat:hover { transform: none; box-shadow: var(--sh-sm); }
.card--dark { background: var(--c-ink-2); border-color: rgba(255,255,255,.10); color: var(--fg-on-dark); }
.card--dark h3, .card--dark h4 { color: #fff; }
.card--dark p { color: var(--fg-on-dark-soft); }
.card--dark:hover { border-color: rgba(200,161,101,.45); box-shadow: var(--sh-dark); }
.card--accent::after {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--grad-accent);
}
.card-index {
  position: absolute; top: var(--sp-4); right: var(--sp-5);
  font-family: var(--font-mono); font-size: .68rem;
  color: var(--c-mist); letter-spacing: .06em;
}

.icon-badge {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--c-ivory-2);
  color: var(--c-ink);
  margin-bottom: var(--sp-4);
  transition: background var(--t-base) var(--e-out), color var(--t-base) var(--e-out), transform var(--t-base) var(--e-spring);
}
.icon-badge svg { width: 24px; height: 24px; }
.card:hover .icon-badge { background: var(--c-accent); color: var(--c-ink); transform: rotate(-6deg) scale(1.06); }
.section--dark .icon-badge, .card--dark .icon-badge { background: rgba(255,255,255,.08); color: var(--c-accent); }
.card--dark:hover .icon-badge { background: var(--c-accent); color: var(--c-ink); }

.link-arrow {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--font-display);
  font-size: .78rem; font-weight: 650;
  letter-spacing: var(--tr-mid); text-transform: uppercase;
  color: var(--fg);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform var(--t-base) var(--e-out); }
.link-arrow:hover svg { transform: translateX(5px); }
.link-arrow--accent { color: var(--brand-ink); }

/* forms ------------------------------------------------------------------ */
.form { display: grid; gap: var(--sp-4); }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--sp-4); }
.field { display: grid; gap: 7px; }
.label {
  font-family: var(--font-display);
  font-size: .74rem; font-weight: 650;
  letter-spacing: var(--tr-mid); text-transform: uppercase;
  color: var(--fg-soft);
}
.label .req { color: var(--c-danger); }
.input, .textarea, .select {
  width: 100%;
  padding: 13px 15px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: .96rem;
  color: var(--fg);
  transition: border-color var(--t-fast) var(--e-out), box-shadow var(--t-fast) var(--e-out), background-color var(--t-fast) var(--e-out);
}
.input::placeholder, .textarea::placeholder { color: #A9B0B8; }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: var(--ring);
}
.textarea { min-height: 148px; resize: vertical; line-height: 1.65; }
.field.is-invalid .input,
.field.is-invalid .textarea { border-color: var(--c-danger); box-shadow: 0 0 0 3px rgba(163,58,50,.12); }
.field.is-valid .input,
.field.is-valid .textarea { border-color: var(--c-ok); }
.field-error {
  font-size: var(--fs-xs); color: var(--c-danger);
  min-height: 1em;
}
.checkbox {
  display: flex; gap: var(--sp-3); align-items: flex-start;
  font-size: var(--fs-sm); color: var(--fg-soft);
}
.checkbox input {
  width: 18px; height: 18px; margin: 3px 0 0; flex: 0 0 auto;
  accent-color: var(--c-ink);
}
.checkbox a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.form-note { font-size: var(--fs-xs); color: var(--fg-mute); }
.form-message {
  padding: var(--sp-4);
  border-radius: var(--r-sm);
  border-left: 3px solid var(--c-ok);
  background: rgba(47,122,91,.08);
  font-size: var(--fs-sm);
  color: var(--c-ok);
  display: none;
}
.form-message.is-visible { display: block; }
.form-message.is-error { border-color: var(--c-danger); background: rgba(163,58,50,.08); color: var(--c-danger); }

/* tables ----------------------------------------------------------------- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-block: var(--sp-5);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-elev);
}
.table-wrap table { min-width: 660px; margin: 0; }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
thead th {
  background: var(--c-ink);
  color: #fff;
  text-align: left;
  font-family: var(--font-display);
  font-size: .74rem; font-weight: 650;
  letter-spacing: var(--tr-mid); text-transform: uppercase;
  padding: 13px 16px;
  white-space: nowrap;
}
tbody td, tbody th { padding: 13px 16px; border-top: 1px solid var(--line-soft); vertical-align: top; text-align: left; }
tbody th { font-weight: 650; color: var(--fg); white-space: nowrap; }
tbody tr:nth-child(even) { background: rgba(10,11,13,.018); }
tbody tr:hover { background: rgba(200,161,101,.10); }
.table-wrap a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; word-break: break-word; }

/* pagination ------------------------------------------------------------- */
.pagination { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; justify-content: center; margin-top: var(--sp-7); }
.page-btn {
  min-width: 42px; height: 42px;
  display: inline-grid; place-items: center;
  padding-inline: var(--sp-3);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg-elev);
  font-family: var(--font-display);
  font-size: .84rem; font-weight: 650;
  color: var(--fg-soft);
  transition: all var(--t-fast) var(--e-out);
}
.page-btn:hover:not(:disabled) { border-color: var(--c-ink); color: var(--fg); }
.page-btn.is-active { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }
.page-btn:disabled { opacity: .35; cursor: not-allowed; }
.page-btn svg { width: 16px; height: 16px; }

/* filter bar ------------------------------------------------------------- */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
  margin-bottom: var(--sp-7);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--line);
}
.filter-chip {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  font-family: var(--font-display);
  font-size: .76rem; font-weight: 650;
  letter-spacing: var(--tr-mid); text-transform: uppercase;
  color: var(--fg-soft);
  transition: all var(--t-fast) var(--e-out);
}
.filter-chip:hover { border-color: var(--c-ink); color: var(--fg); }
.filter-chip.is-active { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }

/* --------------------------------------------------------------------------
   7. PAGE BLOCKS
   -------------------------------------------------------------------------- */

/* hero ------------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex; align-items: center;
  min-height: clamp(600px, 88vh, 940px);
  padding-top: clamp(120px, 15vh, 190px);
  /* extra room at the bottom so the hero meta row never collides with the
     absolutely-positioned scroll hint */
  padding-bottom: clamp(104px, 13.5vh, 168px);
  overflow: hidden;
  background: var(--grad-ink);
  color: #fff;
}
.hero--page { min-height: clamp(440px, 62vh, 620px); }
.hero--short { min-height: clamp(360px, 48vh, 520px); }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: var(--grad-hero); }
.hero-grain {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: .5;
}
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-xs); font-weight: 650;
  letter-spacing: var(--tr-wide); text-transform: uppercase;
  color: var(--c-accent);
  padding: 7px 14px;
  border: 1px solid rgba(200,161,101,.38);
  border-radius: var(--r-pill);
  background: rgba(200,161,101,.10);
  backdrop-filter: blur(6px);
}
.hero-title {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  font-weight: 600;
  letter-spacing: -.03em;
  color: #fff;
  margin: var(--sp-5) 0 var(--sp-5);
  max-width: 16ch;
}
.hero-title .accent { color: var(--c-accent); }
.hero-title .outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,.55);
}
.hero-lead {
  font-size: clamp(1rem, .95rem + .42vw, 1.2rem);
  line-height: 1.68;
  color: rgba(255,255,255,.78);
  max-width: 58ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-6); }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: var(--sp-6) var(--sp-8);
  margin-top: var(--sp-8);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(255,255,255,.14);
}
.hero-meta-item { display: grid; gap: 3px; }
.hero-meta-item strong {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 650; color: #fff; line-height: 1;
}
.hero-meta-item span { font-size: var(--fs-xs); letter-spacing: var(--tr-mid); text-transform: uppercase; color: rgba(255,255,255,.55); }
.hero-mascots { position: absolute; right: clamp(10px, 5vw, 90px); bottom: clamp(20px, 6vh, 80px); z-index: 3; display: flex; align-items: flex-end; gap: var(--sp-4); pointer-events: none; }
.hero-scroll {
  position: absolute; left: 50%; bottom: var(--sp-5); transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-2);
  font-family: var(--font-display); font-size: .62rem; letter-spacing: var(--tr-wide); text-transform: uppercase;
  color: rgba(255,255,255,.55);
}
.hero-scroll::after {
  content: ""; width: 1px; height: 44px;
  background: linear-gradient(180deg, rgba(255,255,255,.6), transparent);
  animation: scrollPulse 2.2s var(--e-in-out) infinite;
}

/* page hero (inner pages) ------------------------------------------------ */
.page-hero { background: var(--grad-ink); color: #fff; position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,161,101,.6), transparent);
}
.page-hero-inner { position: relative; z-index: 2; padding-block: clamp(120px, 17vh, 190px) clamp(56px, 7vw, 88px); }
.breadcrumb { display: flex; gap: var(--sp-2); align-items: center; font-size: var(--fs-xs); color: rgba(255,255,255,.5); margin-bottom: var(--sp-4); }
.breadcrumb a { color: rgba(255,255,255,.65); }
.breadcrumb a:hover { color: var(--c-accent); }
.page-hero h1 { color: #fff; max-width: 18ch; margin-bottom: var(--sp-4); }
.page-hero p { color: rgba(255,255,255,.72); max-width: 62ch; font-size: clamp(.98rem,.95rem+.3vw,1.12rem); }
.page-hero-meta { display: flex; flex-wrap: wrap; gap: var(--sp-5); margin-top: var(--sp-6); }

/* service grid ----------------------------------------------------------- */
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: var(--sp-5); }
.service-card {
  position: relative;
  display: flex; flex-direction: column;
  padding: var(--sp-6) var(--sp-5);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-base) var(--e-out), box-shadow var(--t-base) var(--e-out), border-color var(--t-base) var(--e-out);
}
.service-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--grad-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-base) var(--e-out);
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: rgba(200,161,101,.40); }
.service-card:hover::before { transform: scaleX(1); }
.service-card .icon-badge { margin-bottom: var(--sp-4); }
.service-card h3 { font-size: 1.06rem; margin-bottom: var(--sp-2); }
.service-card p { font-size: var(--fs-sm); color: var(--fg-soft); margin-bottom: var(--sp-4); }
.service-card .service-tags { margin-top: auto; display: flex; flex-wrap: wrap; gap: 6px; }
.service-card .service-tags span {
  font-size: .68rem; letter-spacing: .05em; text-transform: uppercase;
  padding: 3px 9px; border-radius: var(--r-xs);
  background: var(--c-ivory-2); color: var(--fg-mute);
}
.service-card--core { background: var(--c-ink); border-color: rgba(255,255,255,.10); color: var(--fg-on-dark); }
.service-card--core h3 { color: #fff; }
.service-card--core p { color: var(--fg-on-dark-soft); }
.service-card--core .icon-badge { background: rgba(255,255,255,.08); color: var(--c-accent); }
.service-card--core:hover .icon-badge { background: var(--c-accent); color: var(--c-ink); }
.service-card--core .service-tags span { background: rgba(255,255,255,.08); color: rgba(255,255,255,.66); }
.service-card--core::before { background: var(--grad-accent); }

.scope-strip {
  display: flex; align-items: flex-start; gap: var(--sp-4);
  padding: var(--sp-5);
  border-radius: var(--r-md);
  background: var(--c-ivory-2);
  border-left: 3px solid var(--c-accent);
  font-size: var(--fs-sm);
  color: var(--fg-soft);
}
.section--dark .scope-strip { background: rgba(255,255,255,.06); color: var(--fg-on-dark-soft); }
.scope-strip svg { width: 20px; height: 20px; flex: 0 0 auto; color: var(--c-accent-deep); }
.section--dark .scope-strip svg { color: var(--c-accent); }
.scope-strip strong { color: var(--fg); display: block; margin-bottom: 4px; font-family: var(--font-display); letter-spacing: var(--tr-mid); text-transform: uppercase; font-size: .74rem; }
.section--dark .scope-strip strong { color: #fff; }

/* app highlight ---------------------------------------------------------- */
.app-highlight { position: relative; overflow: hidden; background: var(--grad-ink); color: #fff; }
.app-highlight::before {
  content: ""; position: absolute; right: -12%; top: -18%;
  width: 62vw; height: 62vw; max-width: 780px; max-height: 780px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,161,101,.20), transparent 62%);
  pointer-events: none;
}
.app-copy { position: relative; z-index: 2; }
.app-copy h2 { color: #fff; }
.app-feature-list { display: grid; gap: var(--sp-3); margin: var(--sp-6) 0; }
.app-feature {
  display: flex; gap: var(--sp-3); align-items: flex-start;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-md);
  background: rgba(255,255,255,.04);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.82);
  transition: border-color var(--t-base) var(--e-out), background-color var(--t-base) var(--e-out), transform var(--t-base) var(--e-out);
}
.app-feature:hover { border-color: rgba(200,161,101,.55); background: rgba(200,161,101,.10); transform: translateX(5px); }
.app-feature svg { width: 19px; height: 19px; flex: 0 0 auto; margin-top: 2px; color: var(--c-accent); }
.app-feature strong { color: #fff; display: block; font-weight: 600; }
.app-feature span { font-size: var(--fs-xs); color: rgba(255,255,255,.58); }
.store-badges { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-6); }
.store-badge {
  display: inline-flex; align-items: center; gap: var(--sp-3);
  padding: 11px 22px;
  border-radius: var(--r-sm);
  background: #000;
  border: 1px solid rgba(255,255,255,.22);
  color: #fff;
  transition: all var(--t-base) var(--e-out);
}
.store-badge:hover { transform: translateY(-3px); border-color: var(--c-accent); box-shadow: var(--sh-dark); color: #fff; }
.store-badge svg { width: 24px; height: 24px; }
.store-badge .sb-text { display: grid; line-height: 1.2; text-align: left; }
.store-badge .sb-text small { font-size: .58rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.65); }
.store-badge .sb-text strong { font-family: var(--font-display); font-size: .92rem; font-weight: 600; color: #fff; }

.app-stage { position: relative; z-index: 2; display: grid; place-items: center; }
.phone {
  position: relative;
  width: min(300px, 74vw);
  aspect-ratio: 9 / 19;
  border-radius: 42px;
  padding: 12px;
  background: linear-gradient(160deg, #2A2E34, #0C0E11 55%);
  box-shadow: var(--sh-lg), inset 0 0 0 1px rgba(255,255,255,.16);
  animation: floatY 6.5s var(--e-in-out) infinite;
}
.phone::after {
  content: ""; position: absolute; top: 22px; left: 50%; transform: translateX(-50%);
  width: 74px; height: 6px; border-radius: var(--r-pill); background: rgba(0,0,0,.55);
}
.phone-screen {
  width: 100%; height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: var(--c-ivory);
}
.phone-screen img { width: 100%; height: 100%; object-fit: cover; }
.app-shot {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--sh-lg);
  background: #fff;
}
.app-shot img { width: 100%; display: block; }
.app-shot figcaption {
  padding: 12px 16px;
  font-size: var(--fs-xs);
  letter-spacing: .04em;
  color: rgba(255,255,255,.62);
  background: rgba(255,255,255,.04);
  text-align: center;
}

/* stats ------------------------------------------------------------------ */
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.stat { background: var(--bg-elev); padding: var(--sp-6) var(--sp-5); text-align: center; transition: background-color var(--t-base) var(--e-out); }
.stat:hover { background: #fff; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.5rem + 1.8vw, 3rem);
  font-weight: 600; letter-spacing: -.03em; line-height: 1;
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { margin-top: var(--sp-3); font-size: var(--fs-xs); letter-spacing: var(--tr-mid); text-transform: uppercase; color: var(--fg-mute); }
.section--dark .stat-grid { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.10); }
.section--dark .stat { background: var(--c-ink); }
.section--dark .stat:hover { background: var(--c-ink-2); }
.section--dark .stat-label { color: var(--fg-on-dark-soft); }

/* timeline --------------------------------------------------------------- */
.timeline { position: relative; display: grid; gap: var(--sp-6); padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1px; background: linear-gradient(180deg, var(--c-accent), rgba(200,161,101,.12)); }
.timeline-item { position: relative; }
.timeline-item::before {
  content: ""; position: absolute; left: -30px; top: 7px;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg-body);
  border: 2px solid var(--c-accent);
  box-shadow: 0 0 0 4px rgba(200,161,101,.14);
}
.timeline-year {
  display: inline-block; margin-bottom: var(--sp-2);
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .08em;
  color: var(--brand-ink);
}
.timeline-item h3 { font-size: 1.12rem; margin-bottom: var(--sp-2); }
.timeline-item p { font-size: var(--fs-sm); color: var(--fg-soft); margin: 0; }

/* values / mission -------------------------------------------------------- */
.value-card { position: relative; padding-top: var(--sp-6); }
.value-card .vc-index {
  font-family: var(--font-display);
  font-size: .72rem; font-weight: 650;
  letter-spacing: var(--tr-wide); text-transform: uppercase;
  color: var(--c-accent); margin-bottom: var(--sp-3);
}
.value-card h3 { margin-bottom: var(--sp-3); }
.value-card p { color: var(--fg-soft); font-size: var(--fs-sm); }
.value-card .icon-badge { background: var(--c-ink); color: var(--c-accent); }
.value-card:hover .icon-badge { background: var(--c-accent); color: var(--c-ink); }

/* process steps ---------------------------------------------------------- */
.steps { counter-reset: step; display: grid; gap: var(--sp-5); }
.step {
  position: relative;
  padding: var(--sp-6);
  padding-left: clamp(84px, 9vw, 116px);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: border-color var(--t-base) var(--e-out), transform var(--t-base) var(--e-out);
}
.step:hover { border-color: rgba(200,161,101,.45); transform: translateX(5px); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; left: var(--sp-6); top: var(--sp-6);
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 50%;
  background: var(--c-ink); color: var(--c-accent);
  font-family: var(--font-mono); font-size: .84rem; font-weight: 700;
}

/* faq -------------------------------------------------------------------- */
.faq-card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--r-md); padding: var(--sp-5) var(--sp-5); }
.faq-q { display: flex; gap: var(--sp-3); align-items: flex-start; font-family: var(--font-display); font-weight: 650; font-size: 1.02rem; margin-bottom: var(--sp-2); }
.faq-q .badge { flex: 0 0 auto; }
.faq-a { font-size: var(--fs-sm); color: var(--fg-soft); margin: 0; }

/* news ------------------------------------------------------------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--sp-5); }
.news-card {
  display: flex; flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-base) var(--e-out), box-shadow var(--t-base) var(--e-out), border-color var(--t-base) var(--e-out);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: rgba(200,161,101,.42); }
.news-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--c-ivory-2); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--e-out); }
.news-card:hover .news-thumb img { transform: scale(1.07); }
.news-thumb .tag { position: absolute; left: var(--sp-4); top: var(--sp-4); background: rgba(10,11,13,.72); color: #fff; backdrop-filter: blur(6px); }
.news-body { display: flex; flex-direction: column; flex: 1; padding: var(--sp-5); }
.news-meta { display: flex; gap: var(--sp-3); align-items: center; font-size: var(--fs-xs); color: var(--fg-mute); margin-bottom: var(--sp-3); letter-spacing: .04em; }
.news-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--c-mist); }
.news-title { font-size: 1.08rem; margin-bottom: var(--sp-3); line-height: 1.32; }
.news-card:hover .news-title { color: var(--brand-ink); }
.news-excerpt { font-size: var(--fs-sm); color: var(--fg-soft); margin-bottom: var(--sp-4); }
.news-card .link-arrow { margin-top: auto; }
.news-card.is-hidden { display: none; }

/* contact ---------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(32px, 4.5vw, 72px); align-items: start; }
.contact-card { display: grid; gap: var(--sp-5); }
.contact-item {
  display: grid; grid-template-columns: 46px minmax(0,1fr); gap: var(--sp-4); align-items: start;
  padding: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  transition: border-color var(--t-base) var(--e-out), transform var(--t-base) var(--e-out);
}
.contact-item:hover { border-color: rgba(200,161,101,.45); transform: translateX(4px); }
.contact-item .icon-badge { width: 46px; height: 46px; margin: 0; }
.contact-label { font-family: var(--font-display); font-size: .7rem; font-weight: 650; letter-spacing: var(--tr-mid); text-transform: uppercase; color: var(--fg-mute); margin-bottom: 4px; }
.contact-value { font-size: .98rem; color: var(--fg); line-height: 1.55; }
.contact-value a { color: var(--fg); word-break: break-word; }
.contact-value a:hover { color: var(--brand-ink); }
.map-frame {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-elev);
}
.map-frame img { width: 100%; display: block; }
.map-caption { padding: var(--sp-4) var(--sp-5); font-size: var(--fs-xs); color: var(--fg-mute); border-top: 1px solid var(--line); }

/* cta band --------------------------------------------------------------- */
.cta-band {
  position: relative; overflow: hidden;
  background: var(--c-ink);
  color: #fff;
  padding-block: clamp(56px, 7vw, 104px);
  text-align: center;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 120% at 50% 0%, rgba(200,161,101,.20), transparent 62%),
    linear-gradient(180deg, rgba(10,11,13,.4), rgba(10,11,13,.85));
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; max-width: 20ch; margin-inline: auto; margin-bottom: var(--sp-4); }
.cta-band p { color: rgba(255,255,255,.72); max-width: 56ch; margin-inline: auto; }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; margin-top: var(--sp-6); }

/* back to top ------------------------------------------------------------ */
.to-top {
  position: fixed; right: clamp(16px, 3vw, 34px); bottom: clamp(16px, 3vw, 34px);
  width: 48px; height: 48px; z-index: var(--z-top);
  display: grid; place-items: center;
  border: 1px solid rgba(10,11,13,.14);
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  color: var(--fg);
  box-shadow: var(--sh-md);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: all var(--t-base) var(--e-out);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--c-ink); color: #fff; border-color: var(--c-ink); }
.to-top svg { width: 19px; height: 19px; }

/* --------------------------------------------------------------------------
   8. LEGAL DOCUMENT TYPOGRAPHY  [复用-I]
   -------------------------------------------------------------------------- */
.legal { max-width: 880px; margin-inline: auto; }
.legal header { margin-bottom: var(--sp-7); }
.legal h2 {
  font-size: clamp(1.22rem, 1.1rem + .55vw, 1.52rem);
  margin: var(--sp-8) 0 var(--sp-3);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
  scroll-margin-top: 120px;
}
.legal h2:first-of-type { margin-top: var(--sp-6); }
.legal h3 { font-size: 1.04rem; margin: var(--sp-5) 0 var(--sp-2); color: var(--fg); }
.legal p { color: var(--fg-soft); font-size: var(--fs-sm); line-height: 1.78; }
.legal ul, .legal ol { color: var(--fg-soft); font-size: var(--fs-sm); line-height: 1.75; padding-left: 1.35em; }
.legal li { margin-bottom: .55em; }
.legal li::marker { color: var(--c-accent-deep); }
.legal strong { color: var(--fg); }
.legal a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; word-break: break-word; }
.legal .table-wrap { margin-block: var(--sp-5); }
.legal .table-wrap table { min-width: 700px; }
.legal .legal-meta {
  display: flex; flex-wrap: wrap; gap: var(--sp-3) var(--sp-6);
  padding: var(--sp-4) var(--sp-5);
  margin-bottom: var(--sp-6);
  border-radius: var(--r-md);
  background: var(--c-ivory-2);
  font-size: var(--fs-xs);
  color: var(--fg-soft);
}
.legal .legal-meta strong { color: var(--fg); }
.legal .legal-note {
  padding: var(--sp-4) var(--sp-5);
  border-left: 3px solid var(--c-accent);
  background: var(--c-ivory);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: var(--fs-sm);
  color: var(--fg-soft);
}
.legal .legal-toc { columns: 2; column-gap: var(--sp-6); list-style: none; padding: 0; }
.legal .legal-toc li { break-inside: avoid; }
.legal .legal-toc a { text-decoration: none; color: var(--fg-soft); font-size: var(--fs-sm); }
.legal .legal-toc a:hover { color: var(--brand-ink); }
.legal .legal-toc .toc-num { font-family: var(--font-mono); font-size: .7rem; color: var(--c-accent-deep); margin-right: 8px; }

/* --------------------------------------------------------------------------
   9. MASCOTS
   -------------------------------------------------------------------------- */
.mascot {
  display: inline-block;
  width: var(--mascot-size, 64px);
  height: var(--mascot-size, 64px);
  vertical-align: middle;
  transition: transform var(--t-base) var(--e-spring), filter var(--t-base) var(--e-out);
}
.mascot--xs { --mascot-size: 28px; }
.mascot--sm { --mascot-size: 40px; }
.mascot--md { --mascot-size: 64px; }
.mascot--lg { --mascot-size: 92px; }
.mascot--xl { --mascot-size: 130px; }
.mascot-wrap { display: inline-flex; align-items: center; gap: var(--sp-3); }
.mascot-wrap .mascot:hover { transform: rotate(-9deg) scale(1.08); }
.mascot-chip {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: 6px 14px 6px 8px;
  border-radius: var(--r-pill);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--fg-soft);
}
.mascot-chip .mascot { --mascot-size: 26px; }
.hero-mascots .mascot { filter: drop-shadow(0 14px 26px rgba(0,0,0,.45)); }
.section--dark .mascot-chip { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); color: var(--fg-on-dark-soft); }

/* --------------------------------------------------------------------------
   9b. NO-SPRITE FALLBACK (file:// preview)
   Browsers block fetch() and cross-document <use> references under file://,
   so the icon sprite cannot be inlined. These rules replace the missing
   glyphs with pure-CSS equivalents so the layout never shows empty boxes.
   -------------------------------------------------------------------------- */
.no-sprite .icon-badge {
  background: linear-gradient(135deg, var(--c-accent-soft) 0%, var(--c-ivory-2) 100%);
  color: var(--c-accent-deep);
}
.no-sprite .icon-badge svg,
.no-sprite .btn svg,
.no-sprite .link-arrow svg,
.no-sprite .footer-contact svg,
.no-sprite .step svg { display: none; }

.no-sprite .brand-mark {
  background: var(--c-ink);
  color: var(--c-accent);
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
}

.no-sprite .nav-toggle {
  position: relative;
  background: linear-gradient(transparent, transparent);
}
.no-sprite .nav-toggle::before,
.no-sprite .nav-toggle::after {
  content: "";
  position: absolute;
  left: 11px;
  width: 22px;
  height: 1.6px;
  background: currentColor;
  border-radius: 2px;
}
.no-sprite .nav-toggle::before { top: 16px; box-shadow: 0 7px 0 currentColor; }
.no-sprite .nav-toggle::after { display: none; }

/* --------------------------------------------------------------------------
   10. MOTION UTILITIES  [复用-G]
   -------------------------------------------------------------------------- */
.has-js .reveal,
.has-js .fade-up,
.has-js .fade-in,
.has-js .slide-left,
.has-js .slide-right,
.has-js .zoom-in {
  opacity: 0;
  will-change: opacity, transform;
}
.has-js .fade-up     { transform: translateY(34px); }
.has-js .fade-in     { transform: none; }
.has-js .slide-left  { transform: translateX(calc(-1 * var(--slide-x))); }
.has-js .slide-right { transform: translateX(var(--slide-x)); }
.has-js .zoom-in     { transform: scale(.93); }

.has-js .reveal.in,
.has-js .fade-up.in,
.has-js .fade-in.in,
.has-js .slide-left.in,
.has-js .slide-right.in,
.has-js .zoom-in.in {
  opacity: 1;
  transform: none;
  transition: opacity var(--t-reveal) var(--e-out), transform var(--t-reveal) var(--e-out);
}
.has-js .fade-up.in    { transition-delay: var(--d, 0s); }
.has-js .slide-left.in { transition-delay: var(--d, 0s); }
.has-js .slide-right.in{ transition-delay: var(--d, 0s); }
.has-js .zoom-in.in    { transition-delay: var(--d, 0s); }

.stagger > * { opacity: 0; transform: translateY(26px); }
.has-js .stagger.in > * {
  opacity: 1; transform: none;
  transition: opacity var(--t-reveal) var(--e-out), transform var(--t-reveal) var(--e-out);
  transition-delay: calc(var(--stagger-step, 90ms) * var(--i, 0));
}

.float   { animation: floatY 5.6s var(--e-in-out) infinite; }
.bounce  { animation: bounceIn 1.5s var(--e-spring) infinite; }
.pulse   { animation: pulseRing 2.8s var(--e-in-out) infinite; }
.wiggle  { animation: wiggleTilt 3.4s var(--e-in-out) infinite; }
.spin-slow { animation: spinSlow 14s linear infinite; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}
@keyframes bounceIn {
  0%, 100% { transform: translateY(0); }
  45%      { transform: translateY(-13px); }
  55%      { transform: translateY(-4px); }
  70%      { transform: translateY(-9px); }
}
@keyframes pulseRing {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.07); opacity: .82; }
}
@keyframes wiggleTilt {
  0%, 72%, 100% { transform: rotate(0deg); }
  78%           { transform: rotate(-9deg); }
  86%           { transform: rotate(7deg); }
  93%           { transform: rotate(-4deg); }
}
@keyframes spinSlow { from { transform: rotate(0); } to { transform: rotate(360deg); } }
@keyframes revealUp {
  from { opacity: 0; transform: translateY(34px); }
  to   { opacity: 1; transform: none; }
}
@keyframes scrollPulse {
  0%   { opacity: 0; transform: scaleY(.2); transform-origin: top; }
  45%  { opacity: 1; transform: scaleY(1); transform-origin: top; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}
@keyframes marqueeX {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   11. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stat-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .news-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--sp-6); }
  .grid--split, .grid--split-reverse { grid-template-columns: minmax(0,1fr); }
  .contact-grid { grid-template-columns: minmax(0,1fr); }
  .hero-mascots { display: none; }
  .legal .legal-toc { columns: 1; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-inner { min-height: 66px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0,1fr); }
  .news-grid { grid-template-columns: minmax(0,1fr); }
  .form-row { grid-template-columns: minmax(0,1fr); }
  .hero-title { max-width: 100%; }
  .step { padding-left: var(--sp-5); padding-top: 84px; }
  .step::before { left: var(--sp-5); top: var(--sp-5); }
  .footer-grid { grid-template-columns: minmax(0,1fr); }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .section-head { margin-bottom: var(--sp-6); }
  .hero-scroll { display: none; }
  .timeline { padding-left: 24px; }
  .timeline-item::before { left: -24px; }
}

@media (max-width: 480px) {
  :root { --gutter: 18px; }
  .service-grid { grid-template-columns: minmax(0,1fr); }
  .stat-grid { grid-template-columns: minmax(0,1fr); }
  .brand-text small { display: none; }
  .hero-actions .btn { width: 100%; }
  .store-badges { flex-direction: column; }
  .store-badge { justify-content: flex-start; }
  .card { padding: var(--sp-5); }
  .filter-chip { padding: 8px 14px; font-size: .7rem; }
}

/* --------------------------------------------------------------------------
   12. REDUCED MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .has-js .reveal,
  .has-js .fade-up,
  .has-js .fade-in,
  .has-js .slide-left,
  .has-js .slide-right,
  .has-js .zoom-in,
  .stagger > * { opacity: 1 !important; transform: none !important; }
}