/* ============================================================
   福橡新材 · FUXIANG NEW MATERIALS
   设计方向：工业有机 · 编辑排版感 · 深林绿 × 暖纸白
   ============================================================ */

:root {
  --paper:        #f6f3ea;
  --paper-deep:   #ede8d8;
  --ink:          #1b2a20;
  --ink-soft:     #4a5a4e;
  --green:        #2f6b45;
  --green-deep:   #1e3d2b;
  --green-night:  #16301f;
  --leaf:         #a3c65c;
  --clay:         #c07a45;
  --line:         color-mix(in oklab, var(--ink) 14%, transparent);

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;

  --space-1: clamp(.5rem, 1vw, .75rem);
  --space-2: clamp(1rem, 2vw, 1.5rem);
  --space-3: clamp(2rem, 4vw, 3.25rem);
  --space-4: clamp(3.5rem, 8vw, 6.5rem);
  --space-5: clamp(5rem, 12vw, 9.5rem);

  --wrap: 1180px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.85;
  font-size: clamp(15px, 1.05vw, 16.5px);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; }
ul, ol { list-style: none; }

.container {
  width: min(var(--wrap), 100% - clamp(2.5rem, 8vw, 6rem));
  margin-inline: auto;
}

/* ---------------- Header ---------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .45s var(--ease-out), box-shadow .45s var(--ease-out);
}
.site-header.is-scrolled {
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.header-inner {
  width: min(1360px, 100% - clamp(1.5rem, 5vw, 3.5rem));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: clamp(.9rem, 1.8vw, 1.35rem);
}

.brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  color: var(--paper);
  transition: color .45s;
}
.site-header.is-scrolled .brand { color: var(--green-deep); }
.brand-mark { width: 42px; height: 42px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: .14em;
}
.brand-text em {
  font-size: .58rem;
  letter-spacing: .32em;
  opacity: .72;
  font-family: var(--font-body);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.4vw, 2.3rem);
}
.main-nav a {
  position: relative;
  font-size: .93rem;
  letter-spacing: .08em;
  color: color-mix(in oklab, var(--paper) 88%, transparent);
  padding-block: .35rem;
  transition: color .3s;
}
.site-header.is-scrolled .main-nav a { color: var(--ink-soft); }
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.main-nav a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.main-nav a:hover { color: var(--leaf); }
.site-header.is-scrolled .main-nav a:hover { color: var(--green); }

.nav-cta {
  border: 1px solid color-mix(in oklab, var(--paper) 55%, transparent);
  padding: .55rem 1.5rem !important;
  border-radius: 999px;
  transition: background .35s, color .35s, border-color .35s;
}
.nav-cta:hover { background: var(--leaf); border-color: var(--leaf); color: var(--green-night) !important; }
.site-header.is-scrolled .nav-cta { border-color: color-mix(in oklab, var(--green) 45%, transparent); }
.site-header.is-scrolled .nav-cta:hover { background: var(--green); color: var(--paper) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: .5rem;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--paper);
  transition: transform .35s var(--ease-out), opacity .3s, background .45s;
}
.site-header.is-scrolled .nav-toggle span { background: var(--ink); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(1100px 560px at 82% -10%, color-mix(in oklab, var(--green) 55%, transparent), transparent 65%),
    linear-gradient(160deg, var(--green-night) 0%, var(--green-deep) 52%, #244a32 100%);
  color: var(--paper);
  overflow: hidden;
}
.hero-mesh {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  color: var(--leaf);
  opacity: .18;
}
.hero-inner {
  position: relative;
  width: min(var(--wrap), 100% - clamp(2.5rem, 8vw, 6rem));
  margin-inline: auto;
  padding-block: calc(var(--space-5) + 2rem) var(--space-5);
}

.hero-eyebrow {
  font-size: .82rem;
  letter-spacing: .42em;
  color: var(--leaf);
  margin-bottom: var(--space-2);
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7.2vw, 5.4rem);
  line-height: 1.16;
  letter-spacing: .04em;
}
.hero-title span { display: block; }
.hero-title em {
  color: var(--leaf);
  position: relative;
}
.hero-title em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: .06em;
  height: .09em;
  background: color-mix(in oklab, var(--leaf) 55%, transparent);
}
.hero-lede {
  max-width: 46rem;
  margin-top: var(--space-2);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 2;
  letter-spacing: .03em;
  color: color-mix(in oklab, var(--paper) 88%, var(--leaf));
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.35rem;
  margin-top: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 2.4rem;
  border-radius: 999px;
  font-size: .95rem;
  letter-spacing: .12em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .35s var(--ease-out), background .35s, color .35s, border-color .35s;
}
.btn:hover { transform: translateY(-2px); }
.btn-solid {
  background: var(--leaf);
  color: var(--green-night);
  font-weight: 600;
}
.btn-solid:hover { background: color-mix(in oklab, var(--leaf) 84%, white); }
.btn-ghost {
  border-color: color-mix(in oklab, var(--paper) 45%, transparent);
  color: var(--paper);
}
.btn-ghost:hover { border-color: var(--leaf); color: var(--leaf); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
  max-width: 60rem;
}
.hero-stats dt {
  font-size: .82rem;
  letter-spacing: .22em;
  color: color-mix(in oklab, var(--paper) 82%, var(--leaf));
}
.hero-stats dd {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.6vw, 2.7rem);
  line-height: 1.25;
  letter-spacing: .02em;
}
.hero-stats dd em {
  font-size: .42em;
  letter-spacing: .18em;
  margin-left: .5em;
  color: var(--leaf);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2.1rem;
  translate: -50% 0;
  width: 26px; height: 42px;
  border: 1.5px solid color-mix(in oklab, var(--paper) 45%, transparent);
  border-radius: 999px;
}
.scroll-cue span {
  position: absolute;
  left: 50%; top: 8px;
  width: 3px; height: 8px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--leaf);
  animation: cue 2.1s var(--ease-out) infinite;
}
@keyframes cue {
  0%   { transform: translateY(0);   opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: translateY(15px); opacity: 0; }
}

/* ---------------- Sections ---------------- */
.section {
  position: relative;
  padding-block: var(--space-5);
}

.sec-head {
  max-width: 52rem;
  margin-bottom: var(--space-4);
}
.sec-no {
  font-family: var(--font-display);
  font-size: .95rem;
  letter-spacing: .55em;
  color: var(--clay);
  margin-bottom: var(--space-1);
}
.sec-no::after {
  content: "";
  display: inline-block;
  width: 56px; height: 1px;
  background: color-mix(in oklab, var(--clay) 55%, transparent);
  margin-left: 1.1rem;
  vertical-align: middle;
}
.sec-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.6vw, 3.45rem);
  line-height: 1.25;
  letter-spacing: .05em;
  color: var(--green-deep);
}
.sec-sub {
  margin-top: var(--space-2);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  color: var(--ink-soft);
  max-width: 42rem;
}

/* ---------------- About ---------------- */
.about {
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
}
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}
.about-copy p + p { margin-top: 1.15em; }
.about-copy .lead {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.1vw, 1.62rem);
  line-height: 1.75;
  color: var(--green-deep);
}
.about-copy strong { color: var(--green); }

.milestones {
  position: relative;
  padding-left: 1.65rem;
}
.milestones::before {
  content: "";
  position: absolute;
  left: 4px; top: .45rem; bottom: .45rem;
  width: 1px;
  background: color-mix(in oklab, var(--green) 35%, transparent);
}
.milestones li {
  position: relative;
  padding-bottom: 2rem;
}
.milestones li:last-child { padding-bottom: 0; }
.milestones li::before {
  content: "";
  position: absolute;
  left: -1.65rem; top: .55rem;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--paper-deep);
  border: 2px solid var(--green);
}
.milestones time {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: .18em;
  color: var(--clay);
}
.milestones p {
  margin-top: .35rem;
  font-size: .96rem;
  color: var(--ink-soft);
}
.milestones strong {
  font-size: 1.06rem;
  color: var(--ink);
  letter-spacing: .03em;
}

/* ---------------- Products ---------------- */
.product-feature {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  background: var(--green-deep);
  color: var(--paper);
  padding: clamp(2.25rem, 5vw, 4.25rem);
  border-radius: 4px 4px 72px 4px;
}
.pf-kicker {
  font-size: .8rem;
  letter-spacing: .42em;
  color: var(--leaf);
  margin-bottom: var(--space-1);
}
.pf-text h3 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.55rem);
  line-height: 1.35;
  letter-spacing: .05em;
}
.pf-text h3 em { color: var(--leaf); }
.pf-text p {
  margin-top: var(--space-2);
  color: color-mix(in oklab, var(--paper) 80%, var(--leaf));
  max-width: 36rem;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: var(--space-3);
}
.tag-row li {
  font-size: .82rem;
  letter-spacing: .16em;
  padding: .42rem 1.15rem;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--leaf) 55%, transparent);
  color: var(--leaf);
}
.pf-figure {
  color: var(--leaf);
  opacity: .95;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 1px;
  margin-top: var(--space-4);
  background: var(--line);
  border: 1px solid var(--line);
}
.product-card {
  background: var(--paper);
  padding: clamp(1.65rem, 3vw, 2.35rem);
  transition: background .45s var(--ease-out), transform .45s var(--ease-out);
}
.product-card:hover {
  background: color-mix(in oklab, var(--leaf) 12%, var(--paper));
  transform: translateY(-4px);
}
.pc-no {
  font-family: var(--font-display);
  font-size: .85rem;
  letter-spacing: .38em;
  color: var(--clay);
}
.product-card h3 {
  margin-top: .65rem;
  font-family: var(--font-display);
  font-size: 1.42rem;
  letter-spacing: .06em;
  color: var(--green-deep);
}
.pc-cap {
  margin-top: .45rem;
  font-size: .85rem;
  letter-spacing: .14em;
  color: var(--green);
}
.pc-cap strong { font-size: 1.28em; }
.product-card p:last-child {
  margin-top: .95rem;
  font-size: .935rem;
  color: var(--ink-soft);
}
.products-note {
  margin-top: var(--space-3);
  font-size: .9rem;
  letter-spacing: .06em;
  color: var(--ink-soft);
  padding-left: 1.15rem;
  border-left: 2px solid var(--clay);
}

/* ---------------- Tech ---------------- */
.tech {
  background: var(--green-deep);
  color: var(--paper);
  clip-path: polygon(0 3.2rem, 100% 0, 100% 100%, 0 100%);
  padding-top: calc(var(--space-5) + 3.2rem);
}
.tech .sec-title { color: var(--paper); }
.tech .sec-sub { color: color-mix(in oklab, var(--paper) 72%, var(--leaf)); }
.tech .sec-no { color: var(--leaf); }
.tech .sec-no::after { background: color-mix(in oklab, var(--leaf) 45%, transparent); }

.tech-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
}
.block-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: .12em;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
  color: var(--leaf);
}
.patent-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: .5rem 1.5rem;
  padding-block: 1.15rem;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 13%, transparent);
}
.pt-name { font-size: 1.045rem; letter-spacing: .04em; }
.pt-no {
  font-family: var(--font-display);
  font-size: .88rem;
  letter-spacing: .14em;
  color: var(--leaf);
}
.patent-note {
  margin-top: var(--space-2);
  font-size: .95rem;
  color: color-mix(in oklab, var(--paper) 72%, var(--leaf));
}
.patent-note em { color: var(--leaf); }

.lab-lede {
  margin-top: var(--space-2);
  color: color-mix(in oklab, var(--paper) 78%, var(--leaf));
}
.lab-instruments {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: var(--space-2);
}
.lab-instruments li {
  font-size: .875rem;
  letter-spacing: .12em;
  padding: .55rem 1.35rem;
  border: 1px solid color-mix(in oklab, var(--paper) 26%, transparent);
  border-radius: 3px;
  transition: border-color .35s, color .35s, background .35s;
}
.lab-instruments li:hover {
  border-color: var(--leaf);
  color: var(--green-night);
  background: var(--leaf);
}
.lab-flow {
  counter-reset: flow;
  margin-top: var(--space-3);
  display: grid;
  gap: 1px;
  background: color-mix(in oklab, var(--paper) 14%, transparent);
}
.lab-flow li {
  counter-increment: flow;
  background: var(--green-deep);
  padding: 1.25rem 1.5rem 1.25rem 4.15rem;
  position: relative;
  font-size: .935rem;
  color: color-mix(in oklab, var(--paper) 74%, var(--leaf));
}
.lab-flow li::before {
  content: "0" counter(flow);
  position: absolute;
  left: 1.5rem; top: 1.25rem;
  font-family: var(--font-display);
  color: var(--leaf);
  letter-spacing: .18em;
}
.lab-flow strong {
  display: block;
  color: var(--paper);
  font-size: 1.06rem;
  letter-spacing: .12em;
}

/* ---------------- Apps ---------------- */
.app-panels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
}
.app-panel {
  padding-top: var(--space-2);
  border-top: 2px solid var(--green-deep);
  transition: border-color .4s;
}
.app-panel:hover { border-color: var(--clay); }
.app-panel svg {
  width: 100%;
  max-width: 210px;
  height: auto;
  color: var(--green);
  margin-bottom: var(--space-2);
  transition: color .4s, transform .55s var(--ease-out);
}
.app-panel:hover svg { color: var(--clay); transform: translateX(6px); }
.app-panel h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: .12em;
  color: var(--green-deep);
}
.app-panel p {
  margin-top: .85rem;
  color: var(--ink-soft);
  font-size: .95rem;
}

/* ---------------- Honor ---------------- */
.honor {
  background:
    linear-gradient(180deg, var(--paper-deep), var(--paper));
}
.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.honor-grid li {
  background: var(--paper);
  padding: clamp(1.9rem, 3.6vw, 2.85rem);
  display: flex;
  flex-direction: column;
  gap: .55rem;
  position: relative;
  overflow: hidden;
  transition: background .45s var(--ease-out);
}
.honor-grid li::after {
  content: "";
  position: absolute;
  right: -34px; top: -34px;
  width: 92px; height: 92px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--leaf) 28%, transparent);
  opacity: 0;
  transition: opacity .5s, transform .6s var(--ease-out);
}
.honor-grid li:hover { background: color-mix(in oklab, var(--leaf) 9%, var(--paper)); }
.honor-grid li:hover::after { opacity: 1; transform: scale(1.25); }
.honor-grid strong {
  font-family: var(--font-display);
  font-size: 1.32rem;
  letter-spacing: .07em;
  color: var(--green-deep);
}
.honor-grid span {
  font-size: .88rem;
  letter-spacing: .16em;
  color: var(--ink-soft);
}

/* ---------------- News ---------------- */
.news-list {
  border-top: 1px solid var(--line);
}
.news-list li {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: clamp(1.25rem, 4vw, 3.5rem);
  padding-block: clamp(1.85rem, 3.5vw, 2.65rem);
  border-bottom: 1px solid var(--line);
  transition: background .4s, padding-inline .5s var(--ease-out);
}
.news-list li:hover {
  background: color-mix(in oklab, var(--leaf) 8%, transparent);
}
.news-list time {
  font-family: var(--font-display);
  font-size: 1.28rem;
  letter-spacing: .16em;
  color: var(--clay);
  padding-top: .3rem;
}
.news-list h3 {
  font-family: var(--font-display);
  font-size: clamp(1.22rem, 2.1vw, 1.62rem);
  line-height: 1.55;
  letter-spacing: .05em;
  color: var(--green-deep);
}
.news-list p {
  margin-top: .65rem;
  color: var(--ink-soft);
  max-width: 46rem;
}

/* ---------------- Contact ---------------- */
.contact {
  background: var(--green-night);
  color: var(--paper);
}
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}
.contact .sec-no { color: var(--leaf); }
.contact .sec-no::after { background: color-mix(in oklab, var(--leaf) 45%, transparent); }
.contact .sec-title { color: var(--paper); }
.contact .sec-sub { color: color-mix(in oklab, var(--paper) 74%, var(--leaf)); }

.contact-list {
  margin-block: var(--space-3);
  border-top: 1px solid color-mix(in oklab, var(--paper) 18%, transparent);
}
.contact-list li {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 1.5rem;
  padding-block: 1.05rem;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 12%, transparent);
  font-size: .98rem;
}
.contact-list span {
  font-size: .82rem;
  letter-spacing: .26em;
  color: var(--leaf);
  padding-top: .28em;
}

.contact-form {
  background: color-mix(in oklab, var(--paper) 6%, transparent);
  border: 1px solid color-mix(in oklab, var(--paper) 16%, transparent);
  padding: clamp(1.75rem, 3.5vw, 2.65rem);
}
.contact-form h3 {
  font-family: var(--font-display);
  font-size: 1.42rem;
  letter-spacing: .18em;
  color: var(--leaf);
  margin-bottom: var(--space-2);
}
.contact-form label {
  display: block;
  font-size: .85rem;
  letter-spacing: .22em;
  color: color-mix(in oklab, var(--paper) 72%, var(--leaf));
  margin-bottom: 1.15rem;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: .55rem;
  padding: .85rem 1.1rem;
  background: color-mix(in oklab, var(--paper) 9%, transparent);
  border: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
  border-radius: 3px;
  color: var(--paper);
  font: inherit;
  font-size: .97rem;
  letter-spacing: .03em;
  transition: border-color .35s, background .35s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--leaf);
  background: color-mix(in oklab, var(--paper) 13%, transparent);
}
.contact-form select option { color: var(--ink); background: var(--paper); }
.contact-form .btn { width: 100%; }
.form-tip {
  margin-top: .95rem;
  min-height: 1.5em;
  font-size: .88rem;
  letter-spacing: .08em;
  color: var(--leaf);
}

/* ---------------- Footer ---------------- */
.site-footer {
  background: var(--green-night);
  color: color-mix(in oklab, var(--paper) 66%, var(--leaf));
  border-top: 1px solid color-mix(in oklab, var(--paper) 12%, transparent);
  padding-block: var(--space-3);
}
.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: start;
}
.footer-brand {
  display: flex;
  gap: 1rem;
  align-items: center;
  color: var(--paper);
}
.footer-brand .brand-mark { width: 40px; height: 40px; color: var(--leaf); }
.footer-brand p { font-size: .98rem; letter-spacing: .06em; line-height: 1.7; }
.footer-brand em {
  font-size: .68rem;
  letter-spacing: .34em;
  color: color-mix(in oklab, var(--paper) 55%, var(--leaf));
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.85rem;
  justify-content: flex-end;
  font-size: .9rem;
  letter-spacing: .12em;
}
.footer-nav a:hover { color: var(--leaf); }
.footer-meta {
  grid-column: 1 / -1;
  padding-top: var(--space-2);
  border-top: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
  font-size: .82rem;
  letter-spacing: .1em;
  line-height: 2;
}

/* ---------------- Reveal animation ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease-out) var(--d, 0s), transform .9s var(--ease-out) var(--d, 0s);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 980px) {
  .about-grid,
  .product-feature,
  .tech-grid,
  .contact-inner { grid-template-columns: 1fr; }
  .app-panels { grid-template-columns: 1fr 1fr; }
  .honor-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: var(--space-2) var(--space-1); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { justify-content: flex-start; }
  .product-feature { border-radius: 4px 4px 48px 4px; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 1.85rem;
    background: var(--green-night);
    opacity: 0;
    pointer-events: none;
    transition: opacity .45s var(--ease-out);
  }
  .main-nav.is-open {
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a {
    color: var(--paper) !important;
    font-size: 1.28rem;
    letter-spacing: .28em;
    font-family: var(--font-display);
  }
  .nav-cta { border-color: color-mix(in oklab, var(--paper) 45%, transparent) !important; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-toggle.is-open span { background: var(--paper); }

  .app-panels { grid-template-columns: 1fr; }
  .news-list li { grid-template-columns: 1fr; gap: .65rem; }
  .news-list time { padding-top: 0; }
  .contact-list li { grid-template-columns: 1fr; gap: .25rem; }
  .hero-stats dd { font-size: 1.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}