/* =========================================================
   COOKIE — monochrome editorial / tech minimal
   ========================================================= */

:root{
  --bg:        #050505;
  --bg-soft:   #0b0b0b;
  --ink:       #ffffff;
  --ink-80:    rgba(255,255,255,.80);
  --ink-56:    rgba(255,255,255,.56);
  --ink-38:    rgba(255,255,255,.38);
  --ink-20:    rgba(255,255,255,.20);
  --line:      rgba(255,255,255,.12);
  --line-soft: rgba(255,255,255,.07);

  --sans: "Space Grotesk", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;

  --pad: clamp(20px, 5vw, 96px);
  --maxw: 1320px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  font-size:clamp(15px, 1.05vw, 17px);
  line-height:1.7;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

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

a{ color:inherit; text-decoration:none; }
h1,h2,h3{ margin:0; font-weight:500; letter-spacing:-.02em; }
p{ margin:0; }
ol,ul{ margin:0; padding:0; list-style:none; }

em{ font-style:normal; }

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--pad);
}

/* ---------- texture overlays ---------- */
.grain{
  position:fixed; inset:-50%;
  z-index:9999; pointer-events:none;
  opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grainShift 7s steps(6) infinite;
}
@keyframes grainShift{
  0%{transform:translate(0,0)}     20%{transform:translate(-4%,3%)}
  40%{transform:translate(3%,-4%)} 60%{transform:translate(-3%,-3%)}
  80%{transform:translate(4%,2%)}  100%{transform:translate(0,0)}
}

.scroll-progress{
  position:fixed; top:0; left:0; right:0; height:1px;
  z-index:1000; background:rgba(255,255,255,.07);
}
.scroll-progress span{
  display:block; height:100%; width:0%;
  background:var(--ink);
  box-shadow:0 0 12px rgba(255,255,255,.55);
}

/* ---------- nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:900;
  display:flex; align-items:center; justify-content:space-between;
  gap:24px;
  padding:22px var(--pad);
  border-bottom:1px solid transparent;
  transition:background .5s var(--ease), border-color .5s var(--ease), backdrop-filter .5s;
}
.nav.is-stuck{
  background:rgba(5,5,5,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line-soft);
}
.nav__brand{ display:flex; align-items:center; gap:10px; }
.nav__dot{
  width:9px; height:9px; border-radius:50%;
  background:var(--ink);
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{ 0%,100%{opacity:1; transform:scale(1)} 50%{opacity:.35; transform:scale(.72)} }
.nav__name{
  font-family:var(--mono); font-size:13px; letter-spacing:.34em; font-weight:500;
}
.nav__links{ display:flex; align-items:center; gap:clamp(14px,2.2vw,34px); }
.nav__links a{
  position:relative;
  font-size:13px; letter-spacing:.12em; color:var(--ink-56);
  transition:color .35s var(--ease);
  white-space:nowrap;
}
.nav__links a i{
  font-family:var(--mono); font-style:normal; font-size:10px;
  color:var(--ink-20); margin-right:7px; transition:color .35s var(--ease);
}
.nav__links a:hover{ color:var(--ink); }
.nav__links a:hover i{ color:var(--ink-56); }
.nav__cta{
  border:1px solid var(--line);
  padding:8px 18px !important;
  color:var(--ink-80) !important;
  transition:background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.nav__cta:hover{ background:var(--ink); color:var(--bg) !important; border-color:var(--ink); }

/* nav adapts when it floats over the inverted (white) section */
.nav.is-stuck.is-invert{
  background:rgba(255,255,255,.76);
  border-bottom-color:rgba(0,0,0,.12);
}
.nav.is-invert .nav__dot{ background:#000; }
.nav.is-invert .nav__name{ color:#000; }
.nav.is-invert .nav__links a{ color:rgba(0,0,0,.56); }
.nav.is-invert .nav__links a i{ color:rgba(0,0,0,.32); }
.nav.is-invert .nav__links a:hover{ color:#000; }
.nav.is-invert .nav__links a:hover i{ color:rgba(0,0,0,.6); }
.nav.is-invert .nav__cta{ border-color:rgba(0,0,0,.22); color:rgba(0,0,0,.82) !important; }
.nav.is-invert .nav__cta:hover{ background:#000; color:#fff !important; border-color:#000; }

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex; align-items:center;
  padding:120px 0 80px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.hero::before{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px) 0 0 / 25% 100%,
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px) 0 0 / 100% 25%;
  -webkit-mask-image:radial-gradient(ellipse 85% 70% at 50% 42%, #000 25%, transparent 78%);
  mask-image:radial-gradient(ellipse 85% 70% at 50% 42%, #000 25%, transparent 78%);
  pointer-events:none;
}
.hero__canvas{ position:absolute; inset:0; width:100%; height:100%; opacity:.85; }
.hero__inner{
  position:relative; z-index:2;
  width:100%; max-width:var(--maxw);
  margin-inline:auto; padding-inline:var(--pad);
}

.hero__kicker{
  display:flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:clamp(10px,1.05vw,12px);
  letter-spacing:.3em; color:var(--ink-56); margin-bottom:clamp(22px,3vw,38px);
}
.hero__kicker b{ color:var(--ink-20); font-weight:400; }
.caret{
  display:inline-block; width:7px; height:14px;
  background:var(--ink); animation:blink 1.15s steps(2) infinite;
}
@keyframes blink{ 0%,50%{opacity:1} 51%,100%{opacity:0} }

.hero__title{
  font-size:clamp(62px, 17.5vw, 250px);
  line-height:.82;
  font-weight:700;
  letter-spacing:-.045em;
  text-transform:uppercase;
  margin-bottom:clamp(26px,3.4vw,44px);
}
.hero__title .line{ display:block; overflow:hidden; }
.hero__title .line > span{ display:block; }

/* second lockup layer: the real name, outlined and subordinate to the brand */
.line--cjk{
  -webkit-text-stroke:1.5px rgba(255,255,255,.48);
  color:transparent;
  font-size:.44em;
  letter-spacing:.06em;
  line-height:1.5;
  padding-left:.05em;
  margin-top:.08em;
}

.hero__sub{
  font-size:clamp(17px, 1.75vw, 25px);
  line-height:1.65; font-weight:300;
  color:var(--ink-80);
  max-width:34em;
  margin-bottom:clamp(34px,4.4vw,58px);
}

.hero__meta{
  display:flex; flex-wrap:wrap; gap:clamp(22px,4vw,72px);
  padding-top:26px;
  border-top:1px solid var(--line-soft);
  max-width:820px;
}
.meta{ display:flex; flex-direction:column; gap:5px; }
.meta__k{ font-family:var(--mono); font-size:10px; letter-spacing:.26em; color:var(--ink-38); }
.meta__v{ font-size:14px; color:var(--ink-80); letter-spacing:.02em; }

.hero__scroll{
  display:inline-flex; align-items:center; gap:12px;
  margin-top:clamp(40px,5vw,74px);
  font-family:var(--mono); font-size:10px; letter-spacing:.32em; color:var(--ink-38);
  transition:color .4s var(--ease);
}
.hero__scroll:hover{ color:var(--ink); }
.hero__scrollline{
  display:block; width:52px; height:1px; background:var(--ink-38);
  position:relative; overflow:hidden;
}
.hero__scrollline::after{
  content:""; position:absolute; inset:0; background:var(--ink);
  animation:scan 2.4s var(--ease) infinite;
}
@keyframes scan{ 0%{transform:translateX(-100%)} 55%,100%{transform:translateX(100%)} }

/* ---------- sections ---------- */
.section{ padding:clamp(88px,12vw,180px) 0; position:relative; }
.section--alt{ background:var(--bg-soft); border-block:1px solid var(--line-soft); }

.sec-head{
  display:flex; align-items:baseline; gap:16px;
  padding-bottom:18px; margin-bottom:clamp(38px,5vw,68px);
  border-bottom:1px solid var(--line);
}
.sec-head__no{
  font-family:var(--mono); font-size:12px; letter-spacing:.2em; color:var(--ink);
}
.sec-head__label{
  font-family:var(--mono); font-size:11px; letter-spacing:.24em; color:var(--ink-38);
}
.sec-head--invert{ border-bottom-color:rgba(0,0,0,.16); }
.sec-head--invert .sec-head__label{ color:rgba(0,0,0,.45); }

.section__title{
  font-size:clamp(28px, 4.1vw, 58px);
  line-height:1.24; font-weight:400; letter-spacing:-.025em;
  margin-bottom:clamp(46px,6vw,88px);
}

.u{ border-bottom:1px solid var(--ink-56); padding-bottom:.06em; }

/* ---------- creed ---------- */
.creed{
  font-size:clamp(32px, 6.6vw, 96px);
  line-height:1.14; font-weight:500; letter-spacing:-.04em;
  margin-bottom:clamp(28px,3.4vw,48px);
}
.creed__em{ font-weight:700; box-shadow:inset 0 -.13em 0 rgba(255,255,255,.10); }
.creed__note{
  font-size:clamp(17px, 2vw, 28px);
  color:var(--ink-80); font-weight:300; line-height:1.6;
  margin-bottom:clamp(22px,2.6vw,34px);
}
.creed__src{
  font-family:var(--mono); font-size:11px; letter-spacing:.2em;
  color:var(--ink-38);
  padding-bottom:clamp(40px,5vw,72px);
  margin-bottom:clamp(40px,5vw,72px);
  border-bottom:1px solid var(--line);
}

/* ---------- metrics ---------- */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px; background:var(--line-soft);
  border:1px solid var(--line-soft);
}
.metric{
  background:var(--bg-soft);
  padding:clamp(26px,3vw,44px);
  display:flex; flex-direction:column; gap:6px;
  transition:background .5s var(--ease);
}
.metric:hover{ background:#141414; }
.metric__num{
  font-size:clamp(42px, 5.6vw, 82px);
  line-height:1; font-weight:500; letter-spacing:-.045em;
  display:inline-block;
}
.metric__unit{
  font-family:var(--mono); font-size:12px; letter-spacing:.16em;
  color:var(--ink-56); margin-bottom:12px;
}
.metric__label{
  font-size:13.5px; color:var(--ink-38); line-height:1.6;
  margin-top:auto; padding-top:14px;
  border-top:1px solid var(--line-soft);
}

/* ---------- timeline ---------- */
.tl{ border-top:1px solid var(--line); }
.tl__item{
  display:grid;
  grid-template-columns:clamp(96px, 12vw, 180px) 1fr;
  gap:clamp(20px, 4vw, 64px);
  padding:clamp(30px, 3.6vw, 56px) 0;
  border-bottom:1px solid var(--line-soft);
  position:relative;
}
.tl__year{
  font-family:var(--mono);
  display:flex; flex-direction:column; gap:4px;
  position:relative;
}
.tl__year span{ font-size:clamp(20px, 2.4vw, 34px); letter-spacing:-.01em; line-height:1; }
.tl__year em{ font-size:10.5px; letter-spacing:.18em; color:var(--ink-38); }
.tl__dur{
  font-style:normal;
  font-family:var(--mono); font-size:10.5px; letter-spacing:.14em;
  color:var(--ink-38); white-space:nowrap;
  margin-top:10px; padding-top:9px;
  border-top:1px solid var(--line-soft);
  width:max-content; max-width:100%;
}
.tl__year::after{
  content:""; position:absolute; right:clamp(-64px,-4vw,-20px); top:12px;
  width:7px; height:7px; border-radius:50%;
  border:1px solid var(--ink-38);
  transition:background .5s var(--ease), border-color .5s var(--ease);
}
.tl__item:hover .tl__year::after{ background:var(--ink); border-color:var(--ink); }

.tl__org{
  font-size:clamp(23px, 2.6vw, 38px); font-weight:500;
  letter-spacing:-.02em; margin-bottom:10px;
  display:flex; align-items:baseline; gap:14px; flex-wrap:wrap;
}
.tl__unit{
  font-family:var(--mono); font-size:11px; letter-spacing:.16em;
  color:var(--ink-56); font-weight:400;
  padding:3px 9px; border:1px solid var(--line); border-radius:2px;
  white-space:nowrap;
}
.tl__role{
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
  font-size:clamp(14px, 1.25vw, 16px);
  color:var(--ink-80); letter-spacing:.01em;
  margin-bottom:20px;
}
.tl__role-k{
  font-family:var(--mono); font-size:10px; letter-spacing:.22em;
  color:var(--ink-38);
  padding:3px 9px; border:1px solid var(--line); border-radius:2px;
}
.tl__lead{
  font-style:italic;
  font-size:15px; line-height:1.85; color:var(--ink-80);
  max-width:58ch;
  margin-bottom:22px;
  padding-left:22px;
  border-left:1px solid var(--line);
}
.tl__points{ display:flex; flex-direction:column; gap:11px; max-width:62ch; }
.tl__points li{
  position:relative; padding-left:22px;
  font-size:14.5px; line-height:1.8; color:var(--ink-56);
}
.tl__points li b{
  font-weight:500; color:var(--ink-80);
}
.tl__points li::before{
  content:""; position:absolute; left:0; top:.78em;
  width:10px; height:1px; background:var(--ink-38);
}

/* ---------- toolkit ---------- */
.grid--2{ grid-template-columns:repeat(2,1fr); }
.skills{ margin-bottom:clamp(40px,5vw,72px); }
.skill-col{ background:var(--bg); padding:clamp(26px,3vw,44px); }
.skill-col__title{
  font-size:clamp(20px,2vw,28px); font-weight:500;
  margin-bottom:26px; padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.skill-list{ display:flex; flex-direction:column; }
.skill-list li{
  display:flex; flex-direction:column; gap:6px;
  padding:15px 0;
  border-bottom:1px solid var(--line-soft);
  transition:padding-left .5s var(--ease);
}
.skill-list li:last-child{ border-bottom:none; }
.skill-list li:hover{ padding-left:10px; }
.skill-list span{
  font-family:var(--mono); font-size:10px; letter-spacing:.22em; color:var(--ink-38);
}
.skill-list em{ font-size:clamp(16px,1.5vw,20px); color:var(--ink-80); letter-spacing:-.005em; }

.edu{
  display:grid; grid-template-columns:clamp(96px, 12vw, 180px) 1fr;
  gap:clamp(20px, 4vw, 64px);
  padding-top:clamp(30px,3.4vw,48px);
  border-top:1px solid var(--line);
}
.edu__no{ font-family:var(--mono); font-size:12px; letter-spacing:.2em; color:var(--ink-38); }
.edu__body h3{
  font-size:clamp(20px,2.1vw,30px); font-weight:500; margin-bottom:16px; letter-spacing:-.015em;
  display:flex; align-items:baseline; gap:14px; flex-wrap:wrap;
}
.edu__years{
  font-family:var(--mono); font-size:12px; letter-spacing:.16em;
  color:var(--ink-38); font-weight:400;
  padding:3px 9px; border:1px solid var(--line); border-radius:2px;
}
.edu__body p{
  font-size:14.5px; line-height:1.85; color:var(--ink-56); max-width:66ch;
}
.edu__why{
  margin-top:16px; padding-left:18px;
  border-left:1px solid var(--ink-38); color:var(--ink-80) !important;
}
.only-m{ display:none; }

/* ---------- cards ---------- */
.grid{ display:grid; gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--4{ grid-template-columns:repeat(4,1fr); }

.card{
  position:relative;
  background:var(--bg);
  padding:clamp(26px,2.8vw,42px);
  transition:background .5s var(--ease);
}
.section--alt .card{ background:var(--bg-soft); }
.card:hover{ background:#101010; }
.card::after{
  content:""; position:absolute; left:0; top:0; width:0; height:1px;
  background:var(--ink);
  transition:width .8s var(--ease);
}
.card:hover::after{ width:100%; }

.card__no{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.24em;
  color:var(--ink-38); margin-bottom:22px;
}
.card__title{
  font-size:clamp(20px,1.7vw,25px); font-weight:500;
  margin-bottom:14px; letter-spacing:-.01em;
}
.card__text{ color:var(--ink-56); font-size:14.5px; line-height:1.78; }
.card__tags{ display:flex; flex-wrap:wrap; gap:7px; margin-top:24px; }
.card__tags span{
  font-family:var(--mono); font-size:10px; letter-spacing:.12em;
  color:var(--ink-56); border:1px solid var(--line);
  padding:5px 10px;
}
.card--sm{ padding:clamp(24px,2.4vw,34px); }
.card--sm .card__title{ font-size:19px; margin-bottom:10px; }

/* ---------- steps ---------- */
.steps{ border-top:1px solid var(--line); }
.step{
  display:grid;
  grid-template-columns:78px minmax(180px, .85fr) 1.4fr;
  align-items:center; gap:clamp(18px,3vw,44px);
  padding:clamp(24px,3vw,38px) 0;
  border-bottom:1px solid var(--line-soft);
  transition:padding-left .6s var(--ease), background .6s var(--ease);
}
.step:hover{ padding-left:clamp(10px,1.6vw,26px); background:rgba(255,255,255,.022); }
.step__no{ font-family:var(--mono); font-size:12px; color:var(--ink-38); letter-spacing:.1em; }
.step__name{
  font-size:clamp(21px,2.3vw,32px); font-weight:500; letter-spacing:-.01em;
  display:flex; align-items:baseline; gap:14px;
}
.step__name em{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.24em;
  color:var(--ink-38); font-weight:400;
}
.step__desc{ color:var(--ink-56); font-size:14.5px; line-height:1.75; }

/* ---------- feature: 未来计划 ---------- */
.section--feature{
  background:#fff; color:#000;
  position:relative; overflow:hidden;
}
.section--feature::before{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(to right, rgba(0,0,0,.05) 1px, transparent 1px) 0 0 / 20% 100%,
    linear-gradient(to bottom, rgba(0,0,0,.05) 1px, transparent 1px) 0 0 / 100% 20%;
  pointer-events:none;
}
.section--feature .wrap{ position:relative; z-index:1; }

.future__title{
  font-size:clamp(34px, 6.4vw, 92px);
  line-height:1.14; font-weight:500; letter-spacing:-.04em;
  margin-bottom:clamp(48px,6vw,96px);
}
.future__em{ font-weight:700; box-shadow:inset 0 -.14em 0 rgba(0,0,0,.10); }

/* plans: rail + nodes */
.plans{
  position:relative;
  padding-left:clamp(46px,7vw,96px);
  margin-bottom:clamp(52px,6vw,92px);
}
/* track */
.plans::after{
  content:""; position:absolute; left:0; top:0; bottom:0; width:1px;
  background:rgba(0,0,0,.13);
}
/* fill — draws down on scroll */
.plans::before{
  content:""; position:absolute; left:0; top:0; width:1px; height:0;
  background:#000; z-index:1;
  transition:height 1.8s var(--ease);
}
.plans.is-drawn::before{ height:100%; }

.plan{
  position:relative;
  padding:clamp(22px,2.6vw,36px) clamp(18px,2vw,30px);
  margin-bottom:clamp(14px,1.8vw,22px);
  background:transparent;
  transition:background .55s var(--ease), color .55s var(--ease), padding-left .55s var(--ease);
}
/* node */
.plan::before{
  content:""; position:absolute;
  left:calc(-1 * clamp(46px,7vw,96px) - 4px);
  top:clamp(30px,3.4vw,44px);
  width:9px; height:9px; border-radius:50%;
  background:#fff; border:1px solid rgba(0,0,0,.32);
  transition:background .6s var(--ease), border-color .6s var(--ease), transform .6s var(--ease);
}
.plan.is-lit::before{ background:#000; border-color:#000; transform:scale(1.3); }

.plan__no{
  font-family:var(--mono); font-size:11px; letter-spacing:.26em;
  color:rgba(0,0,0,.4); margin-bottom:16px;
  opacity:0; transform:translateX(-12px);
  transition:opacity .7s var(--ease), transform .7s var(--ease), color .55s var(--ease);
}
.plan.is-lit .plan__no{ opacity:1; transform:none; }

.plan__title{
  font-size:clamp(28px, 5.2vw, 74px);
  line-height:1.18; font-weight:500; letter-spacing:-.035em;
  margin-bottom:16px;
}
/* per-character entrance */
.plan__title .ch{
  display:inline-block;
  opacity:0; transform:translateY(.3em) rotateX(-60deg);
  transform-origin:50% 100%;
  transition:opacity .7s var(--ease), transform .8s var(--ease);
}
.plan.is-lit .ch{ opacity:1; transform:none; }

.plan__desc{
  font-size:14.5px; line-height:1.8; color:rgba(0,0,0,.55);
  max-width:46ch;
  opacity:0; transform:translateY(14px);
  transition:opacity .8s var(--ease), transform .8s var(--ease), color .55s var(--ease);
  transition-delay:.42s;
}
.plan__desc em{
  display:block; font-family:var(--mono);
  font-size:10px; letter-spacing:.24em; color:rgba(0,0,0,.35);
  margin-bottom:8px;
  transition:color .55s var(--ease);
}
.plan.is-lit .plan__desc{ opacity:1; transform:none; }

/* hover inversion */
@media (hover:hover){
  .plan:hover{ background:#000; color:#fff; padding-left:clamp(26px,3vw,44px); }
  .plan:hover .plan__no{ color:rgba(255,255,255,.55); }
  .plan:hover .plan__desc{ color:rgba(255,255,255,.62); }
  .plan:hover .plan__desc em{ color:rgba(255,255,255,.42); }
  .plan:hover::before{ background:#fff; border-color:#fff; }
}

.progress-panel{ border-top:1px solid rgba(0,0,0,.14); padding-top:26px; }
.progress-panel__head{
  display:flex; align-items:baseline; justify-content:space-between; gap:20px;
  font-family:var(--mono); font-size:11px; letter-spacing:.2em; color:rgba(0,0,0,.5);
  margin-bottom:16px;
}
.progress-panel__pct{ font-size:clamp(22px,2.6vw,34px); letter-spacing:.02em; color:#000; font-weight:500; }
.bar{ height:2px; background:rgba(0,0,0,.12); overflow:hidden; margin-bottom:16px; }
.bar span{
  display:block; height:100%; width:0%;
  background:#000;
  transition:width 2.4s var(--ease);
}
.progress-panel__foot{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px;
  font-family:var(--mono); font-size:10.5px; letter-spacing:.14em; color:rgba(0,0,0,.4);
}

/* ---------- contact ---------- */
.section--contact{ padding-bottom:clamp(70px,9vw,130px); }
.contact__title{
  font-size:clamp(32px, 6.2vw, 88px);
  line-height:1.16; font-weight:400; letter-spacing:-.04em;
  margin-bottom:clamp(48px,6vw,86px);
  max-width:16em;
}
.links{ border-top:1px solid var(--line); }
.links li{
  display:flex; align-items:center; gap:clamp(20px,5vw,90px);
  padding:clamp(20px,2.4vw,30px) 0;
  border-bottom:1px solid var(--line-soft);
}
.links__k{ font-family:var(--mono); font-size:10.5px; letter-spacing:.26em; color:var(--ink-38); min-width:88px; }
.links__v{
  font-size:clamp(18px,2.6vw,34px); letter-spacing:-.01em;
  position:relative; transition:opacity .35s var(--ease);
}
a.links__v::after{
  content:""; position:absolute; left:0; bottom:-4px; width:100%; height:1px;
  background:currentColor; transform:scaleX(0); transform-origin:right;
  transition:transform .6s var(--ease);
}
a.links__v:hover{ opacity:.65; }
a.links__v:hover::after{ transform:scaleX(1); transform-origin:left; }

/* ---------- footer ---------- */
.footer{ border-top:1px solid var(--line-soft); padding:30px 0; }
.footer__inner{
  display:flex; flex-wrap:wrap; align-items:center; gap:10px;
  font-family:var(--mono); font-size:10.5px; letter-spacing:.18em; color:var(--ink-38);
}
.footer__sep{ color:var(--ink-20); }
.footer__beian{
  color:var(--ink-56);
  border-bottom:1px solid transparent;
  transition:color .35s var(--ease), border-color .35s var(--ease);
}
.footer__beian:hover{ color:var(--ink); border-bottom-color:var(--ink-38); }

/* ---------- reveal ---------- */
.reveal{
  opacity:0; transform:translateY(26px);
  transition:opacity 1s var(--ease), transform 1s var(--ease);
  transition-delay:calc(var(--d, 0) * 110ms);
}
.reveal.is-in{ opacity:1; transform:none; }
.hero__title .reveal{ transform:translateY(105%); }
.hero__title .reveal.is-in{ transform:none; }

/* ---------- responsive ---------- */
@media (max-width: 1080px){
  .grid--4{ grid-template-columns:repeat(2,1fr); }
  .metrics{ grid-template-columns:repeat(2,1fr); }
  .step{ grid-template-columns:52px 1fr; row-gap:8px; }
  .step__desc{ grid-column:2; }
}
@media (max-width: 860px){
  .nav__links a i{ display:none; }
  .nav__links{ gap:14px; }
  .nav__links a:not(.nav__cta){ font-size:12px; }
  .grid--3, .grid--2{ grid-template-columns:1fr; }
  .only-m{ display:block; }

  .tl__item, .edu{
    grid-template-columns:1fr;
    gap:16px;
  }
  .tl__year{ flex-direction:row; align-items:baseline; gap:8px 14px; flex-wrap:wrap; }
  .tl__dur{ margin-top:0; padding-top:0; border-top:none; }
  .tl__year::after{ display:none; }
}
@media (max-width: 620px){
  .nav__links a:not(.nav__cta){ display:none; }
}
@media (max-width: 560px){
  .grid--4, .metrics{ grid-template-columns:1fr; }
  .hero__meta{ gap:20px 34px; }
  .line--cjk{ -webkit-text-stroke-width:1.1px; }
  .metric__num{ font-size:clamp(40px, 15vw, 60px); }
}

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