:root{
  --bg:#dff3f7;
  --bg-soft:#edf9fb;
  --panel:#f7fdff;
  --panel-2:#eaf8fc;
  --line:rgba(40,118,145,.14);
  --line-strong:rgba(32,157,196,.28);
  --text:#0f2530;
  --muted:#5b7681;
  --cold:#1fb6d5;
  --cold-soft:#59d7f2;
  --accent:#08313d;
  --shadow:0 22px 60px rgba(21,67,84,.12);
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:18px;
  --max:1180px;
}

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

html{
  scroll-behavior:smooth;
}

body{
  min-height:100vh;
  font-family:"IBM Plex Sans",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(89,215,242,.18), transparent 24%),
    radial-gradient(circle at bottom right, rgba(31,182,213,.10), transparent 26%),
    linear-gradient(180deg, #f5fdff 0%, #edf9fb 45%, #e3f5f8 100%);
  line-height:1.6;
}

body.is-ready .reveal{
  opacity:1;
  transform:none;
}

.reveal{
  opacity:0;
  transition:
    opacity .8s ease,
    transform .8s cubic-bezier(.2,.7,.2,1),
    filter .8s ease;
  will-change:transform, opacity;
}

.reveal-up{
  transform:translateY(34px);
  filter:blur(6px);
}

.reveal-delay-1{
  transition-delay:.08s;
}

.reveal-delay-2{
  transition-delay:.16s;
}

.reveal-delay-3{
  transition-delay:.24s;
}

.reveal.is-visible{
  opacity:1;
  transform:none;
  filter:blur(0);
}

a{
  color:inherit;
  text-decoration:none;
}

.shell{
  width:min(var(--max), calc(100% - 32px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(245,253,255,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, background .2s ease;
}

.site-header.is-scrolled{
  border-color:var(--line);
  background:rgba(245,253,255,.92);
}

.topbar{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
}

.brand-logo-wrap{
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  border-radius:14px;
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg, rgba(31,182,213,.12), rgba(31,182,213,.03));
  overflow:hidden;
  box-shadow:0 16px 30px rgba(9,44,59,.08);
}

.brand-logo{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}

.brand-text{
  display:flex;
  flex-direction:column;
  gap:2px;
}

.brand-text strong{
  font-size:1rem;
  font-weight:600;
  letter-spacing:.02em;
}

.brand-text small{
  color:var(--muted);
  font-size:.8rem;
  letter-spacing:.04em;
  text-transform:uppercase;
}

.nav{
  display:flex;
  align-items:center;
  gap:26px;
}

.nav-panel{
  display:flex;
  align-items:center;
  gap:24px;
}

.nav-toggle{
  display:none;
  width:48px;
  height:48px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border:1px solid var(--line-strong);
  border-radius:14px;
  background:rgba(255,255,255,.55);
  cursor:pointer;
}

.nav-toggle span{
  width:18px;
  height:2px;
  border-radius:999px;
  background:var(--accent);
  transition:transform .2s ease, opacity .2s ease;
}

.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 a{
  color:var(--muted);
  font-size:.95rem;
}

.nav a:hover{
  color:var(--accent);
}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  font-weight:600;
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}

.button:hover{
  transform:translateY(-1px);
}

.button-primary{
  background:linear-gradient(180deg, rgba(31,182,213,.22), rgba(31,182,213,.08));
  border-color:rgba(31,182,213,.36);
  color:var(--accent);
}

.button-secondary,
.button-ghost{
  background:rgba(255,255,255,.55);
  color:var(--accent);
}

.hero{
  padding:0 0 32px;
}

.hero-backdrop{
  min-height:100vh;
  display:flex;
  align-items:flex-start;
  padding:84px 0 20px;
  background:
    linear-gradient(180deg, rgba(5,24,31,.18) 0%, rgba(7,30,39,.28) 38%, rgba(7,30,39,.42) 100%),
    linear-gradient(90deg, rgba(245,253,255,.14) 0%, rgba(245,253,255,.03) 44%, rgba(245,253,255,0) 64%),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
  border-bottom-left-radius:34px;
  border-bottom-right-radius:34px;
}

.hero-layout{
  display:grid;
  grid-template-columns:minmax(0, 1.18fr) minmax(620px, .98fr);
  gap:28px;
  align-items:end;
}

.hero-copy,
.intro-card,
.system-card,
.step-card,
.realization-card,
.contact-box{
  background:linear-gradient(180deg, rgba(247,253,255,.88), rgba(234,248,252,.94));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.hero-copy{
  max-width:1180px;
  margin-left:-250px;
  padding:34px 36px;
  border-radius:var(--radius-xl);
  background:linear-gradient(180deg, rgba(6,43,54,.38), rgba(9,54,67,.46));
  border-color:rgba(255,255,255,.14);
  backdrop-filter:blur(8px);
}

.kicker,
.section-label,
.panel-label,
.panel-title{
  font-family:"IBM Plex Mono",monospace;
}

.kicker,
.section-label{
  color:var(--cold-soft);
  font-size:.8rem;
  text-transform:uppercase;
  letter-spacing:.12em;
}

.hero-copy h1{
  margin-top:18px;
  max-width:12ch;
  font-size:clamp(2.35rem, 4.2vw, 4rem);
  line-height:.96;
  letter-spacing:-.05em;
  font-weight:600;
  color:#ffffff;
  text-shadow:0 10px 26px rgba(4,25,34,.20);
}

.hero-text{
  margin-top:20px;
  max-width:660px;
  color:rgba(255,255,255,.88);
  font-size:.96rem;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:24px;
}

.hero-inline{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top:18px;
}

.hero-inline-item{
  padding:18px 0 0;
  border-top:1px solid rgba(255,255,255,.18);
}

.hero-inline-label{
  display:block;
  color:rgba(137,231,251,.92);
  font-family:"IBM Plex Mono",monospace;
  font-size:.76rem;
  text-transform:uppercase;
  letter-spacing:.12em;
}

.hero-inline-item strong{
  display:block;
  margin-top:8px;
  color:#ffffff;
  font-size:1rem;
  font-weight:500;
}

.hero-bottom{
  align-self:end;
  margin-left:104px;
  width:calc(100% + 120px);
}

.hero-metrics{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:0;
  max-width:none;
  margin-left:0;
  border:1px solid rgba(255,255,255,.12);
  border-radius:22px;
  overflow:hidden;
  background:linear-gradient(180deg, rgba(8,48,60,.36), rgba(10,58,71,.44));
  backdrop-filter:blur(8px);
  box-shadow:var(--shadow);
}

.hero-metrics article{
  display:grid;
  gap:5px;
  align-content:start;
  min-height:100%;
  padding:14px 12px;
  border-right:1px solid rgba(255,255,255,.10);
}

.hero-metrics span{
  color:rgba(137,231,251,.92);
  font-family:"IBM Plex Mono",monospace;
  font-size:.68rem;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.hero-metrics p{
  color:rgba(255,255,255,.92);
  font-size:.84rem;
  line-height:1.32;
}

.hero-metrics article:last-child{
  border-right:none;
}


.hero-metrics article:last-child{
  border-right:none;
}

.section{
  padding:32px 0 88px;
}

.section-compact{
  padding-top:0;
}

.section-band{
  position:relative;
  padding:72px 0;
}

.section-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,.36), rgba(229,247,251,.82));
  border-top:1px solid rgba(40,118,145,.10);
  border-bottom:1px solid rgba(40,118,145,.10);
}

.section-band .shell{
  position:relative;
  z-index:1;
}

.intro-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
}

.intro-card{
  padding:28px;
  border-radius:var(--radius-lg);
}

.section-band .intro-card,
.section-band .system-card{
  background:transparent;
  border:none;
  box-shadow:none;
  padding:0;
}

.section-band .intro-note{
  padding-left:32px;
  border-left:1px solid var(--line-strong);
}

.intro-main h2{
  max-width:14ch;
}

.intro-note .section-label{
  color:#1e8ea8;
}

.intro-main h2,
.section-head h2,
.systems-copy h2,
.contact-copy h2{
  margin-top:16px;
  font-size:clamp(2rem, 3.6vw, 3.4rem);
  line-height:1.02;
  letter-spacing:-.04em;
  font-weight:600;
}

.intro-main p:last-child,
.section-head p,
.systems-copy p,
.contact-copy p{
  margin-top:16px;
  max-width:700px;
  color:var(--muted);
}

.mini-list{
  margin-top:18px;
  list-style:none;
  display:grid;
  gap:12px;
}

.mini-list li{
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:14px;
  color:var(--muted);
  background:rgba(255,255,255,.56);
}

.section-head{
  max-width:720px;
  margin-bottom:32px;
}

.services-layout{
  display:grid;
  grid-template-columns:minmax(280px, .88fr) minmax(0, 1.32fr);
  gap:20px;
  align-items:start;
}

.service-feature{
  position:sticky;
  top:108px;
  padding:26px;
  border-radius:24px;
  background:linear-gradient(180deg, rgba(9,54,67,.92), rgba(8,42,53,.96));
  border:1px solid rgba(255,255,255,.14);
  box-shadow:var(--shadow);
  color:#fff;
}

.service-feature-kicker{
  display:block;
  color:rgba(137,231,251,.92);
  font-family:"IBM Plex Mono",monospace;
  font-size:.76rem;
  letter-spacing:.12em;
  text-transform:uppercase;
}

.service-feature h3{
  margin-top:16px;
  font-size:1.7rem;
  line-height:1.08;
  letter-spacing:-.04em;
  font-weight:600;
}

.service-feature p{
  margin-top:14px;
  color:rgba(255,255,255,.78);
}

.service-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}

.service-pills span{
  padding:10px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  color:#dffaff;
  font-size:.86rem;
}

.services-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}

.service-card{
  min-height:240px;
  padding:24px;
  border-radius:22px;
  background:linear-gradient(180deg, rgba(247,253,255,.94), rgba(236,249,252,.98));
  border:1px solid var(--line);
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}

.service-card:hover{
  transform:translateY(-4px);
  border-color:rgba(31,182,213,.32);
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(235,251,255,.98));
}

.service-icon{
  width:50px;
  height:50px;
  display:grid;
  place-items:center;
  border-radius:14px;
  border:1px solid var(--line-strong);
  background:rgba(31,182,213,.08);
  color:var(--cold-soft);
}

.service-icon svg{
  width:24px;
  height:24px;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.service-card h3{
  margin-top:20px;
  font-size:1.2rem;
  font-weight:600;
  letter-spacing:-.02em;
}

.service-card p{
  margin-top:12px;
  color:var(--muted);
  font-size:.95rem;
}

.service-line{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
  color:#1e8ea8;
  font-size:.88rem;
}

.systems-layout{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:24px;
  align-items:start;
}

.systems-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}

.system-card{
  padding:24px;
  border-radius:22px;
}

.section-band .systems-grid{
  gap:28px;
}

.section-band .system-card{
  border-radius:0;
}

.system-card h3{
  font-size:1.18rem;
  font-weight:600;
}

.system-card ul{
  margin-top:16px;
  list-style:none;
  display:grid;
  gap:12px;
}

.system-card li{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  color:var(--muted);
  background:rgba(255,255,255,.52);
}

.process-head{
  margin-bottom:26px;
}

.process-track,
.realizations-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:16px;
}

.step-card{
  padding:22px;
  border-radius:22px;
}

.realization-card{
  display:flex;
  flex-direction:column;
  min-height:280px;
  padding:24px;
  border-radius:22px;
  background:linear-gradient(180deg, rgba(247,253,255,.94), rgba(236,249,252,.98));
}

.realization-link{
  display:flex;
  flex-direction:column;
  min-height:100%;
}

.realization-image{
  width:100%;
  aspect-ratio: 16 / 10;
  object-fit:cover;
  border-radius:16px;
  margin-bottom:18px;
  border:1px solid rgba(31,182,213,.10);
}

.realization-tag{
  display:inline-flex;
  align-items:center;
  width:max-content;
  min-height:34px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(31,182,213,.10);
  border:1px solid rgba(31,182,213,.18);
  color:#1e8ea8;
  font-family:"IBM Plex Mono",monospace;
  font-size:.74rem;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.realization-card h3{
  margin-top:18px;
  font-size:1.22rem;
  font-weight:600;
  line-height:1.15;
  letter-spacing:-.02em;
}

.realization-card p{
  margin-top:12px;
  color:var(--muted);
  font-size:.95rem;
}

.realization-result{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
  color:var(--accent);
  font-size:.92rem;
  font-weight:600;
}

.realization-detail{
  display:grid;
  gap:28px;
}

.realization-detail-grid{
  display:grid;
  grid-template-columns:minmax(0, 1.15fr) minmax(280px, .85fr);
  gap:24px;
  align-items:start;
}

.realization-detail-main,
.detail-card,
.gallery-card{
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(247,253,255,.94), rgba(236,249,252,.98));
  box-shadow:var(--shadow);
  border-radius:24px;
}

.realization-detail-image{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
  display:block;
  border-radius:24px;
}

.realization-detail-side{
  display:grid;
  gap:16px;
}

.detail-card{
  padding:22px;
}

.detail-label{
  display:block;
  color:#1e8ea8;
  font-family:"IBM Plex Mono",monospace;
  font-size:.74rem;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.detail-card p{
  margin-top:12px;
  color:var(--muted);
}

.section-head-tight{
  margin-bottom:20px;
}

.realization-gallery-section{
  padding-top:8px;
}

.realization-gallery-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:16px;
}

.gallery-card{
  overflow:hidden;
}

.gallery-card img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  display:block;
}

.realizations-actions{
  display:flex;
  justify-content:center;
  margin-top:28px;
}

.realizations-toggle{
  min-width:260px;
}

.step-card span{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:rgba(31,182,213,.10);
  border:1px solid rgba(31,182,213,.20);
  color:var(--cold-soft);
  font-family:"IBM Plex Mono",monospace;
}

.step-card h3{
  margin-top:18px;
  font-size:1.1rem;
  font-weight:600;
}

.step-card p{
  margin-top:10px;
  color:var(--muted);
}

.section-contact{
  position:relative;
  padding:90px 0;
  background:linear-gradient(180deg, rgba(11,169,200,.12), rgba(255,255,255,.40));
  border-top:1px solid rgba(32,157,196,.16);
  border-bottom:1px solid rgba(32,157,196,.16);
}

.contact-strip{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:44px;
  align-items:start;
}

.contact-data{
  display:grid;
  gap:12px;
}

.contact-meta{
  display:grid;
  gap:16px;
}

.contact-data a,
.contact-data span{
  padding:14px 16px;
  border-radius:0;
  border:none;
  border-bottom:1px solid var(--line-strong);
  background:transparent;
  color:var(--accent);
}

.contact-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.site-footer{
  padding:0 0 34px;
}

.footer-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:.92rem;
}

@media (max-width: 1080px){
  .hero-layout,
  .systems-layout,
  .contact-strip,
  .intro-grid,
  .services-layout,
  .realization-detail-grid{
    grid-template-columns:1fr;
  }

  .hero-copy{
    margin-left:0;
    max-width:none;
  }

  .hero-bottom{
    margin-left:0;
    width:100%;
  }

  .hero-inline,
  .services-grid,
  .process-track,
  .realizations-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }

  .hero-metrics{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }

  .section-band .intro-note{
    padding-left:0;
    border-left:none;
    padding-top:20px;
    border-top:1px solid var(--line-strong);
  }

  .service-feature{
    position:static;
  }

  .service-feature h3{
    max-width:18ch;
  }
}

@media (max-width: 780px){
  .topbar{
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:14px;
    padding:14px 0;
  }

  .nav-toggle{
    display:inline-flex;
  }

  .nav-panel{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    padding-top:8px;
  }

  .nav-panel.is-open{
    display:flex;
  }

  .nav{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    width:100%;
    gap:10px;
  }

  .nav a{
    min-height:44px;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:0 10px;
    border:1px solid var(--line);
    border-radius:999px;
    background:rgba(255,255,255,.45);
  }

  .button-ghost{
    width:100%;
  }

  .hero-copy{
    margin-left:0;
    padding:26px 22px;
  }

  .hero-copy h1{
    max-width:100%;
    font-size:clamp(2.1rem, 7vw, 3.2rem);
  }

  .hero-inline{
    grid-template-columns:1fr;
  }

  .hero-actions{
    flex-direction:column;
  }

  .hero-actions .button{
    width:100%;
  }

  .hero-backdrop{
    min-height:auto;
    padding:84px 0 18px;
    border-bottom-left-radius:24px;
    border-bottom-right-radius:24px;
  }

  .hero-bottom{
    margin-left:0;
    width:100%;
  }

  .hero-metrics article{
    padding:14px;
    border-right:none;
    border-bottom:1px solid rgba(255,255,255,.10);
  }

  .service-feature{
    padding:22px;
  }

  .service-feature h3{
    max-width:100%;
    font-size:1.45rem;
  }

  .systems-grid{
    grid-template-columns:1fr;
  }

  .realization-gallery-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }

  .contact-actions .button{
    width:100%;
  }
}

@media (max-width: 640px){
  .shell{
    width:min(var(--max), calc(100% - 20px));
  }

  .section{
    padding:22px 0 64px;
  }

  .site-header{
    position:sticky;
  }

  .brand{
    gap:10px;
  }

  .brand-text strong{
    font-size:.95rem;
  }

  .brand-text small{
    font-size:.72rem;
  }

  .nav{
    grid-template-columns:1fr;
  }

  .hero-copy{
    padding:22px 18px;
    border-radius:24px;
  }

  .hero-bottom{
    width:100%;
  }

  .hero-text{
    font-size:.94rem;
  }

  .hero-inline-item strong{
    font-size:.95rem;
  }

  .service-feature{
    padding:18px;
    border-radius:20px;
  }

  .service-pills{
    gap:8px;
  }

  .service-pills span{
    width:100%;
    text-align:center;
  }

  .service-card{
    min-height:auto;
    padding:20px;
  }

  .realization-card{
    min-height:auto;
    padding:20px;
  }

  .contact-strip{
    gap:28px;
  }

  .contact-data a,
  .contact-data span{
    padding:12px 0;
  }

  .services-grid,
  .hero-metrics,
  .process-track,
  .realizations-grid,
  .realization-gallery-grid{
    grid-template-columns:1fr;
  }

  .hero-metrics article:last-child{
    border-bottom:none;
  }

  .hero-metrics{
    margin-left:0;
    max-width:none;
  }

  .hero-metrics article:last-child{
    border-bottom:none;
  }

  .footer-row{
    flex-direction:column;
    align-items:flex-start;
  }
}

@media (prefers-reduced-motion: reduce){
  html{
    scroll-behavior:auto;
  }

  .reveal,
  .button,
  .service-card,
  .site-header{
    transition:none !important;
  }

  .reveal{
    opacity:1 !important;
    transform:none !important;
    filter:none !important;
  }
}