*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid #ff6b4a;outline-offset:3px;border-radius:2px}
::selection{background:#ff6b4a;color:#04121f}

:root{
  --sea-900:#04121f;
  --sea-800:#071c2d;
  --sea-700:#0b2740;
  --sea-600:#123a55;
  --sea-500:#1d5578;
  --sea-400:#2f7ba3;
  --coral:#ff6b4a;
  --coral-soft:#ffd2c2;
  --ink-on-coral:#08131f;
  --pearl:#f6f2ea;
  --pearl-dim:rgba(246,242,234,.68);
  --pearl-faint:rgba(246,242,234,.36);
  --line:rgba(246,242,234,.14);
  --line-strong:rgba(246,242,234,.28);
  --edge:rgba(255,107,74,.44);
  --notch:20px;
  --shell-w:min(1200px, calc(100% - clamp(1.6rem,6vw,4.5rem)));
  --font-display:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,"Times New Roman",serif;
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}

body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:clamp(15px,0.35vw + 14px,17px);
  line-height:1.9;
  letter-spacing:.012em;
  color:var(--pearl);
  background-color:var(--sea-900);
  background-image:
    radial-gradient(1150px 640px at 88% -14%, rgba(47,123,163,.38), transparent 62%),
    radial-gradient(820px 560px at -8% 6%, rgba(255,107,74,.13), transparent 60%),
    linear-gradient(180deg, rgba(7,28,45,.92) 0%, rgba(4,18,31,1) 58%);
}
body.nav-open{overflow:hidden}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.24;letter-spacing:.055em}
p{text-wrap:pretty}

.shell{width:var(--shell-w);margin-inline:auto}
.stack > * + *{margin-top:var(--stack-gap,1.2rem)}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{
  --header-h:74px;
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg, rgba(4,18,31,.96), rgba(4,18,31,.8));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
}
.site-header::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:linear-gradient(90deg, var(--coral) 0%, rgba(255,107,74,.22) 34%, rgba(246,242,234,.26) 100%);
  pointer-events:none;
}
.scroll-progress{
  position:absolute;
  left:0;bottom:-1px;
  height:2px;width:0;
  background:linear-gradient(90deg, var(--coral), var(--coral-soft));
  will-change:width;
  transition:width .1s linear;
  pointer-events:none;
  z-index:2;
}
.header-shell{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(1rem,3vw,2.5rem);
  min-height:var(--header-h);
  padding-block:.55rem;
}
.skip-link{
  position:absolute;
  left:50%;top:.45rem;
  z-index:120;
  padding:.62rem 1.15rem;
  transform:translate(-50%,-170%);
  background:var(--coral);
  color:var(--ink-on-coral);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.16em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
  transition:transform .2s ease;
}
.skip-link:focus,
.skip-link:focus-visible{transform:translate(-50%,0)}

.brand{display:inline-flex;align-items:center;gap:.7rem;flex:none}
.brand-mark{
  position:relative;
  width:30px;height:34px;flex:none;
  background:linear-gradient(180deg, var(--coral), rgba(47,123,163,.62));
  clip-path:polygon(0 0,100% 0,100% 80%,50% 100%,0 80%);
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:50%;top:14%;bottom:18%;
  width:1.5px;
  transform:translateX(-50%);
  background:var(--sea-900);
  opacity:.86;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--font-display);font-size:1.1rem;font-weight:700;letter-spacing:.13em}
.brand-sub{
  font-family:var(--font-mono);
  font-size:.58rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--pearl-faint);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:.55rem;
  padding:.55rem .85rem .55rem .7rem;
  border:1px solid var(--line);
  background:rgba(246,242,234,.04);
  color:var(--pearl-dim);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.2em;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.nav-toggle:hover{color:var(--pearl);border-color:var(--line-strong)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bars i{display:block;height:1.5px;background:currentColor;transition:transform .25s ease}
.nav-toggle[aria-expanded="true"]{color:var(--pearl);border-color:var(--edge);background:rgba(255,107,74,.12)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:first-child{transform:translateY(2.75px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:last-child{transform:translateY(-2.75px) rotate(-45deg)}

.site-nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:clamp(.9rem,2.2vw,2rem)}
.nav-list a{
  position:relative;
  display:inline-block;
  padding:.55rem .1rem;
  font-size:.94rem;
  letter-spacing:.1em;
  color:var(--pearl-dim);
  transition:color .2s ease;
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:.3rem;
  height:1px;
  background:var(--coral);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s cubic-bezier(.2,.7,.2,1);
}
.nav-list a:hover{color:var(--pearl)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a[aria-current="page"]{color:var(--pearl)}
.nav-list a[aria-current="page"]::after{
  transform:scaleX(1);
  background:linear-gradient(90deg, var(--coral), rgba(255,107,74,.15));
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(3.5rem,9vw,7rem);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(11,39,64,.55), rgba(4,18,31,.99) 64%);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:min(46%,460px);height:2px;
  background:linear-gradient(90deg, var(--coral), transparent);
}
.site-footer::after{
  content:"";
  position:absolute;
  right:-14%;top:-34%;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(47,123,163,.3), transparent 66%);
  pointer-events:none;
}
.footer-shell{position:relative;z-index:1;padding-block:clamp(2.8rem,6vw,4.2rem) clamp(1.6rem,3vw,2rem)}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr .85fr .85fr 1.15fr;
  gap:clamp(1.6rem,3.5vw,2.8rem);
}
.footer-wordmark{
  display:flex;
  align-items:center;
  gap:.65rem;
  margin-bottom:.9rem;
  font-family:var(--font-display);
  font-size:1.25rem;
  font-weight:700;
  letter-spacing:.14em;
}
.footer-note{
  max-width:34ch;
  margin-bottom:1.2rem;
  color:var(--pearl-dim);
  font-size:.92rem;
  line-height:1.9;
}
.footer-heading{
  margin-bottom:1rem;
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:400;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--coral);
}
.footer-links li + li{margin-top:.55rem}
.footer-links a{
  position:relative;
  display:inline-block;
  padding-left:0;
  font-size:.92rem;
  letter-spacing:.05em;
  color:var(--pearl-dim);
  transition:color .2s ease, padding-left .22s ease;
}
.footer-links a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:0;height:1px;
  background:var(--coral);
  transition:width .22s ease;
}
.footer-links a:hover{color:var(--pearl);padding-left:.75rem}
.footer-links a:hover::before{width:.5rem}
.footer-contact-row + .footer-contact-row{margin-top:1rem}
.footer-contact dt{
  margin-bottom:.15rem;
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.22em;
  color:var(--pearl-faint);
}
.footer-contact dd{
  color:var(--pearl-dim);
  font-size:.9rem;
  line-height:1.75;
  overflow-wrap:anywhere;
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.7rem 1.6rem;
  margin-top:clamp(2rem,5vw,3rem);
  padding-top:1.4rem;
  border-top:1px solid var(--line);
}
.footer-base p{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--pearl-faint);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.5rem .9rem;
  border:1px solid var(--line);
  color:var(--pearl-dim);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.18em;
  clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px);
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.to-top:hover{color:var(--pearl);border-color:var(--edge);background:rgba(255,107,74,.1)}

/* ---------- shared components ---------- */
.section{padding-block:clamp(3.5rem,9vw,7rem)}
.section--tight{padding-block:clamp(2rem,5vw,3.5rem)}
.section-head{
  display:flex;
  flex-direction:column;
  gap:.85rem;
  margin-bottom:clamp(1.6rem,3.5vw,2.6rem);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.65rem;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--coral);
}
.eyebrow::before{content:"";width:34px;height:1px;background:currentColor;opacity:.75}
.display{font-family:var(--font-display);font-weight:700;letter-spacing:.06em;line-height:1.26}
.display--xl{font-size:clamp(2.1rem,5.4vw,4rem);letter-spacing:.075em;line-height:1.18}
.display--lg{font-size:clamp(1.65rem,3.4vw,2.6rem)}
.display--md{font-size:clamp(1.25rem,2.2vw,1.7rem)}
.lede{
  max-width:62ch;
  font-size:clamp(1rem,.5vw + .9rem,1.1rem);
  line-height:2;
  color:var(--pearl-dim);
}
.rule{
  height:1px;
  border:0;
  background:linear-gradient(90deg, var(--edge), rgba(246,242,234,.1) 55%, transparent);
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.16em;
  color:var(--pearl-faint);
}
.crumbs li{display:inline-flex;align-items:center;gap:.5rem}
.crumbs li::after{content:"/";opacity:.5}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--pearl-dim);transition:color .2s ease}
.crumbs a:hover{color:var(--coral)}

.panel{
  position:relative;
  padding:clamp(1.3rem,3vw,2.1rem);
  border:1px solid var(--line);
  background:linear-gradient(155deg, rgba(29,85,120,.3), rgba(7,28,45,.74));
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--notch)),calc(100% - var(--notch)) 100%,0 100%);
}
.panel--door{
  border-left:2px solid var(--edge);
  background:linear-gradient(120deg, rgba(255,107,74,.11), rgba(7,28,45,.72) 58%);
}

.grid{display:grid;gap:clamp(1.1rem,2.6vw,2rem)}
.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))}

.media{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
  background:linear-gradient(150deg, var(--sea-600), var(--sea-900));
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
}
.media img,
.media picture{width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  box-shadow:inset 0 0 0 1px rgba(246,242,234,.09);
  pointer-events:none;
}
.media--tall{aspect-ratio:3/4}
.media--wide{aspect-ratio:16/9}
.media--portal{aspect-ratio:2/3}
.media--square{aspect-ratio:1/1}

.metric{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:.25rem .7rem;
  border:1px solid var(--line);
  color:var(--pearl-dim);
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  padding:.85rem 1.55rem;
  border:1px solid var(--edge);
  background:rgba(255,107,74,.07);
  color:var(--pearl);
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.18em;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:background .24s ease, color .24s ease, border-color .24s ease, transform .24s ease;
}
.btn:hover{background:var(--coral);border-color:var(--coral);color:var(--ink-on-coral);transform:translateY(-2px)}
.btn--solid{background:var(--coral);border-color:var(--coral);color:var(--ink-on-coral)}
.btn--solid:hover{background:var(--coral-soft);border-color:var(--coral-soft)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--pearl-dim)}
.btn--ghost:hover{background:rgba(246,242,234,.08);border-color:var(--pearl-faint);color:var(--pearl);transform:translateY(-2px)}

/* ---------- reveal & motion ---------- */
.has-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1);
}
.has-js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid--3,
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:899px){
  .site-header{--header-h:66px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    left:0;right:0;top:100%;
    flex-direction:column;
    align-items:stretch;
    padding:.6rem clamp(1.6rem,6vw,2.5rem) 1.5rem;
    background:linear-gradient(180deg, rgba(7,28,45,.99), rgba(4,18,31,.99));
    border-bottom:1px solid var(--line);
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .26s ease, transform .26s ease, visibility .26s ease;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list li{border-bottom:1px solid var(--line)}
  .nav-list a{
    display:block;
    padding:1rem .15rem;
    font-family:var(--font-display);
    font-size:1.22rem;
    letter-spacing:.14em;
  }
  .nav-list a::after{display:none}
  .nav-list a[aria-current="page"]{color:var(--coral)}
}
@media (max-width:640px){
  .grid--2,
  .grid--3,
  .grid--4{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-base{justify-content:flex-start}
  .brand-sub{display:none}
  .display--xl{letter-spacing:.05em}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .has-js [data-reveal]{opacity:1 !important;transform:none !important}
  .btn:hover,.to-top:hover{transform:none}
}