/* ==========================================================================
   Physisco Ltd — Site Stylesheet v4 (contemporary redesign)
   ========================================================================== */

:root{
  --forest:#0E7A46;
  --forest-ink:#0A5C35;
  --forest-deep:#062E1D;
  --moss:#2FB566;
  --sage:#8FE8AF;
  --stone:#E3ECE3;
  --paper:#F6FBF5;
  --ink:#1A2A20;
  --muted:#526056;
  --line: rgba(26,42,32,0.12);
  --radius: 16px;
  --maxw: 1160px;
  --glass-bg: rgba(255,255,255,0.55);
  --glass-border: rgba(255,255,255,0.55);
  --glass-dark-bg: rgba(6,46,29,0.42);
  --glass-dark-border: rgba(255,255,255,0.18);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', Arial, sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;}

h1,h2,h3,h4{
  font-family:'Space Grotesk', Arial, sans-serif;
  font-weight:600;
  color:var(--forest-ink);
  margin:0 0 14px;
  line-height:1.1;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(38px,6vw,64px);}
h2{font-size:clamp(26px,3.6vw,38px);}
h3{font-size:20px;}
p{margin:0 0 16px;color:var(--muted);}
p.lede{font-size:18px;max-width:640px;}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--moss);
  margin:0 0 12px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;background:var(--moss);
  display:inline-block;
}

/* ---- Reveal-on-scroll ---- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
.reveal-delay-1{transition-delay:.08s;}
.reveal-delay-2{transition-delay:.16s;}
.reveal-delay-3{transition-delay:.24s;}
.reveal-delay-4{transition-delay:.32s;}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:'Space Grotesk', sans-serif;
  font-weight:600;font-size:14.5px;
  padding:14px 26px;border-radius:999px;
  text-decoration:none;
  border:1px solid transparent;
  transition:transform .2s cubic-bezier(.2,.7,.2,1), background .2s ease, box-shadow .2s ease, color .2s ease;
}
.btn-primary{background:var(--forest);color:#fff;box-shadow:0 10px 30px -12px rgba(14,122,70,0.55);}
.btn-primary:hover{background:var(--forest-ink);transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(14,122,70,0.6);}
.btn-ghost{border-color:rgba(255,255,255,0.5);color:#fff;background:rgba(255,255,255,0.08);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(255,255,255,0.18);transform:translateY(-2px);}
.btn-ghost.on-light{border-color:var(--forest);color:var(--forest-ink);background:transparent;}
.btn-ghost.on-light:hover{background:var(--forest);color:#fff;}
.btn svg{width:15px;height:15px;}

/* ---- Header ---- */
header.site{
  position:sticky;top:0;z-index:100;
  background:rgba(246,251,245,0.78);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(26,42,32,0.08);
  transition:box-shadow .3s ease;
}
header.site.scrolled{box-shadow:0 8px 30px -20px rgba(10,30,20,0.4);}
header.site .bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand .wm{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:19px;color:var(--forest-ink);}
.brand .wm .ltd{font-size:0.5em;vertical-align:super;color:var(--moss);margin-left:0.1em;}
nav.main{display:flex;align-items:center;gap:8px;}
nav.main a{
  position:relative;
  font-family:'Space Grotesk',sans-serif;
  font-size:14px;font-weight:500;
  text-decoration:none;color:var(--ink);
  padding:8px 14px;border-radius:999px;
  transition:background .2s ease, color .2s ease;
}
nav.main a:hover{background:rgba(14,122,70,0.08);color:var(--forest-ink);}
nav.main a.active{background:var(--forest);color:#fff;}
nav.main a.cta{background:var(--forest-ink);color:#fff;margin-left:6px;}
.nav-toggle{display:none;}

/* ---- Video hero ---- */
.video-hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:var(--forest-deep);
  color:#fff;
}
.video-hero.short{min-height:58vh;align-items:center;}
.video-hero .bg-video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:0;
}
.video-hero .video-overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(0deg, var(--paper) 0%, rgba(6,46,29,0.28) 16%, rgba(6,46,29,0.55) 55%, rgba(6,46,29,0.72) 100%);
}
.video-hero.short .video-overlay{
  background: linear-gradient(180deg, rgba(6,46,29,0.72) 0%, rgba(6,46,29,0.6) 100%);
}
.video-hero .wrap{position:relative;z-index:2;padding-top:120px;padding-bottom:90px;width:100%;}
.video-hero.short .wrap{padding-top:0;padding-bottom:0;}
.hero-eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:0.16em;
  text-transform:uppercase;color:var(--sage);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--sage);box-shadow:0 0 0 4px rgba(143,232,175,0.25);}
.video-hero h1{color:#fff;max-width:820px;}
.video-hero p.lede{color:rgba(246,251,245,0.86);max-width:600px;font-size:19px;}

.glass-card{
  background:var(--glass-dark-bg);
  border:1px solid var(--glass-dark-border);
  backdrop-filter:blur(16px) saturate(1.3);
  border-radius:var(--radius);
  padding:22px 26px;
}
.hero-stat-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px;}
.hero-stat-row .glass-card{flex:1;min-width:150px;}
.hero-stat-row .n{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:26px;color:#fff;}
.hero-stat-row .l{font-size:12.5px;color:rgba(246,251,245,0.75);margin-top:2px;}

.scroll-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:rgba(246,251,245,0.7);font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.14em;text-transform:uppercase;
}
.scroll-cue .line{width:1px;height:28px;background:linear-gradient(180deg, rgba(246,251,245,0.9), transparent);animation:scrollpulse 1.8s ease-in-out infinite;}
@keyframes scrollpulse{0%{opacity:.3;transform:scaleY(.6);transform-origin:top;}50%{opacity:1;transform:scaleY(1);transform-origin:top;}100%{opacity:.3;transform:scaleY(.6);transform-origin:top;}}

/* ---- Mid-page video band ---- */
.video-band{position:relative;min-height:64vh;display:flex;align-items:center;overflow:hidden;color:#fff;}
.video-band .bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.video-band .video-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(100deg, rgba(6,46,29,0.88) 0%, rgba(6,46,29,0.62) 45%, rgba(6,46,29,0.28) 100%);}
.video-band .wrap{position:relative;z-index:2;}
.video-band h2{color:#fff;}
.video-band p{color:rgba(246,251,245,0.85);}
.video-band .eyebrow{color:var(--sage);}
.video-band .eyebrow::before{background:var(--sage);}

/* ---- Sections ---- */
section{padding:96px 0;border-bottom:1px solid var(--line);position:relative;}
section.no-border{border-bottom:none;}
section.tight{padding:64px 0;}
section.on-forest{
  background:
    radial-gradient(900px 500px at 90% 0%, rgba(143,232,175,0.14), transparent),
    linear-gradient(160deg, var(--forest-deep), var(--forest-ink));
}
section.on-forest h2, section.on-forest h3{color:var(--paper);}
section.on-forest p{color:rgba(246,251,245,0.78);}
section.on-forest .eyebrow{color:var(--sage);}
section.on-forest .eyebrow::before{background:var(--sage);}
section.on-stone{background:var(--stone);}
section.mesh{
  background:
    radial-gradient(700px 340px at 8% 0%, rgba(47,181,102,0.10), transparent),
    radial-gradient(600px 320px at 100% 100%, rgba(143,232,175,0.14), transparent),
    var(--paper);
}

/* ---- Pillars / cards ---- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;
  transition:transform .3s cubic-bezier(.2,.7,.2,1), box-shadow .3s ease, border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 40px -24px rgba(10,30,20,0.25);border-color:rgba(14,122,70,0.25);}
.card .num{
  font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--sage);
  background:var(--forest);display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;margin-bottom:18px;
}
.card ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:14.5px;}
.card ul li{margin-bottom:6px;}

/* ---- Marquee capability strip ---- */
.marquee{
  overflow:hidden;position:relative;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track{display:flex;gap:14px;width:max-content;animation:marquee 32s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---- Stat row (in-flow, light bg) ---- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:left;}
.stat .n{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:38px;color:var(--forest-ink);}
.stat .l{font-size:13px;color:var(--muted);}
section.on-forest .stat .n{color:var(--paper);}
section.on-forest .stat .l{color:rgba(246,251,245,0.7);}

/* ---- Timeline / list rows ---- */
.rowlist{border-top:1px solid var(--line);}
.rowlist .item{
  display:grid;grid-template-columns:160px 1fr;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:padding-left .3s ease;
}
.rowlist .item:hover{padding-left:8px;}
.rowlist .item .tag2{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--moss);}

/* ---- Partner spotlight ---- */
.partner-card{
  display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;
}
.partner-logo{
  width:100%;aspect-ratio:1;border-radius:12px;background:var(--stone);
  display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--forest-ink);font-size:22px;
  text-align:center;padding:14px;
}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0;}
.chip{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;
  background:var(--stone);color:var(--forest-ink);
  padding:6px 12px;border-radius:999px;
  white-space:nowrap;
}
.chip-lg{
  font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:14.5px;
  background:#fff;border:1px solid var(--line);color:var(--forest-ink);
  padding:12px 20px;border-radius:999px;
  transition:border-color .25s ease, transform .25s ease;
}
.chip-lg:hover{border-color:var(--forest);transform:translateY(-2px);}

/* ---- Forms ---- */
form.contact-form{display:grid;gap:16px;max-width:560px;}
form.contact-form label{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--moss);margin-bottom:6px;display:block;
}
form.contact-form input, form.contact-form textarea, form.contact-form select{
  width:100%;padding:13px 15px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-family:'IBM Plex Sans',sans-serif;font-size:15px;color:var(--ink);
  transition:border-color .2s ease, box-shadow .2s ease;
}
form.contact-form input:focus, form.contact-form textarea:focus, form.contact-form select:focus{
  outline:none;border-color:var(--moss);box-shadow:0 0 0 4px rgba(47,181,102,0.14);
}
form.contact-form textarea{min-height:130px;resize:vertical;}
.field{margin-bottom:2px;}

/* ---- Footer ---- */
footer.site{background:var(--forest-deep);color:rgba(246,251,245,0.75);padding:60px 0 28px;}
footer.site a{color:rgba(246,251,245,0.75);text-decoration:none;}
footer.site a:hover{color:var(--paper);}
footer.site .top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(246,251,245,0.14);}
footer.site .wm{font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--paper);font-size:18px;margin-bottom:10px;}
footer.site h4{color:var(--paper);font-size:13px;letter-spacing:0.06em;text-transform:uppercase;margin-bottom:14px;font-family:'IBM Plex Mono',monospace;font-weight:500;}
footer.site ul{list-style:none;margin:0;padding:0;}
footer.site li{margin-bottom:9px;font-size:14.5px;}
footer.site .bottom{padding-top:20px;display:flex;justify-content:space-between;font-size:12.5px;color:rgba(246,251,245,0.5);flex-wrap:wrap;gap:10px;}

/* ---- Responsive ---- */
@media (max-width: 880px){
  .grid-3, .grid-2, .stats, footer.site .top{grid-template-columns:1fr;}
  .partner-card{grid-template-columns:1fr;}
  .partner-logo{width:120px;}
  nav.main{
    position:fixed;inset:64px 0 0 0;background:var(--paper);
    flex-direction:column;align-items:flex-start;padding:24px 28px;gap:6px;
    transform:translateX(100%);transition:transform .25s ease;
  }
  nav.main a{width:100%;padding:12px 14px;border-radius:10px;}
  nav.main.open{transform:translateX(0);}
  .nav-toggle{display:block;background:none;border:none;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;cursor:pointer;color:var(--forest-ink);}
  .rowlist .item{grid-template-columns:1fr;gap:6px;}
  .video-hero{min-height:88vh;}
  .hero-stat-row{flex-direction:column;}
}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .marquee-track{animation:none;}
  .scroll-cue .line{animation:none;}
}