/* NRC Solutions — 2026 redesign. Warm, organic, arch motif from the logo. */
:root{
  --cream:#FAF5EC;
  --cream-2:#F2EADB;
  --ink:#0C2730;
  --ink-soft:#46606A;
  --red:#DF3B26;
  --orange:#E8930F;
  --teal:#169C78;
  --blue:#2280B6;
  --white:#FFFFFF;
  --radius:28px;
  --shadow:0 18px 50px -20px rgba(12,39,48,.22);
  --font-display:"Bricolage Grotesque", "Noto Sans JP", system-ui, sans-serif;
  --font-body:"Inter", "Noto Sans JP", system-ui, -apple-system, sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--cream);
  color:var(--ink);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--font-display);line-height:1.12;letter-spacing:-.01em}
.container{max-width:1140px;margin:0 auto;padding:0 24px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:600;font-size:1rem;text-decoration:none;
  padding:15px 28px;border-radius:999px;border:2px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  cursor:pointer;font-family:var(--font-body);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--ink);color:var(--cream)}
.btn-primary:hover{box-shadow:0 14px 30px -12px rgba(12,39,48,.5)}
.btn-secondary{background:transparent;color:var(--ink);border-color:rgba(12,39,48,.25)}
.btn-secondary:hover{border-color:var(--ink)}
.btn-light{background:var(--cream);color:var(--ink)}
.btn-light:hover{box-shadow:0 14px 30px -12px rgba(0,0,0,.4)}
.btn-outline-light{background:transparent;color:var(--cream);border-color:rgba(250,245,236,.45)}
.btn-outline-light:hover{border-color:var(--cream)}

/* ---------- Nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s ease, box-shadow .3s ease;
}
.nav.scrolled{
  background:rgba(250,245,236,.85);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(12,39,48,.08);
}
.nav-inner{
  max-width:1240px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:28px;
}
.nav-logo img{height:52px;width:auto;transition:height .3s ease}
.nav.scrolled .nav-logo img{height:42px}
.nav-links{display:flex;gap:26px;margin-left:8px;list-style:none}
.nav-links a{
  text-decoration:none;font-weight:500;font-size:.95rem;color:var(--ink-soft);
  transition:color .2s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-right .signin{
  text-decoration:none;font-weight:600;font-size:.92rem;color:var(--ink);
  padding:10px 20px;border:2px solid rgba(12,39,48,.2);border-radius:999px;
  transition:border-color .2s ease;
}
.nav-right .signin:hover{border-color:var(--ink)}
.nav-cta{padding:11px 22px;font-size:.92rem}

/* Language dropdown */
.lang{position:relative}
.lang>button{
  display:flex;align-items:center;gap:7px;background:none;border:none;cursor:pointer;
  font-family:var(--font-body);font-weight:600;font-size:.92rem;color:var(--ink);
  padding:10px 6px;
}
.lang>button svg{transition:transform .2s ease}
.lang.open>button svg{transform:rotate(180deg)}
.lang-menu{
  position:absolute;top:calc(100% + 8px);right:0;min-width:160px;
  background:var(--white);border-radius:18px;box-shadow:var(--shadow);
  padding:8px;list-style:none;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.lang.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu a{
  display:block;padding:10px 14px;border-radius:12px;text-decoration:none;
  font-size:.92rem;font-weight:500;color:var(--ink-soft);
}
.lang-menu a:hover{background:var(--cream);color:var(--ink)}
.lang-menu a.current{color:var(--teal);font-weight:700}

/* Mobile nav toggle */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;padding:170px 0 0;text-align:center}
.blob{position:absolute;border-radius:50% 50% 8% 8%/60% 60% 8% 8%;opacity:.14;pointer-events:none;will-change:transform}
.blob-1{width:300px;height:340px;background:var(--orange);top:90px;left:-120px;animation:float 9s ease-in-out infinite}
.blob-2{width:240px;height:280px;background:var(--teal);top:200px;right:-100px;animation:float 11s ease-in-out infinite reverse}
.blob-3{width:160px;height:190px;background:var(--red);top:520px;left:6%;animation:float 13s ease-in-out infinite}
.blob-4{width:130px;height:150px;background:var(--blue);top:60px;right:14%;animation:float 10s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-22px) rotate(2deg)}}

.kicker{
  display:inline-block;font-weight:700;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin-bottom:18px;
}
.hero h1{
  font-size:clamp(2.7rem, 6.4vw, 4.8rem);font-weight:800;max-width:850px;margin:0 auto 22px;
}
.hero h1 em{font-style:normal;color:var(--teal);position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.04em;height:.14em;
  background:var(--orange);border-radius:99px;opacity:.5;
}
.hero .sub{max-width:620px;margin:0 auto 34px;font-size:1.18rem;color:var(--ink-soft)}
.hero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:38px}
.hero-chips{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:54px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--white);border-radius:999px;padding:10px 18px;
  font-size:.9rem;font-weight:600;color:var(--ink-soft);
  box-shadow:0 6px 18px -8px rgba(12,39,48,.15);
}
.chip svg{flex:none}

/* Arched hero photo */
.hero-arch{
  position:relative;max-width:1040px;margin:0 auto;padding:0 24px;
}
.hero-arch .frame{
  border-radius:48% 48% 28px 28px / 26% 26% 28px 28px;
  overflow:hidden;box-shadow:var(--shadow);
  transform:translateZ(0);
}
.hero-arch img{width:100%;height:auto;transform:scale(1.04);will-change:transform}
.hero-arch .arch-outline{
  position:absolute;inset:-14px 10px auto 10px;height:100%;
  border:3px solid var(--orange);opacity:.45;
  border-radius:48% 48% 28px 28px / 26% 26% 28px 28px;
  pointer-events:none;
}

/* ---------- Sections ---------- */
section{position:relative}
.section{padding:110px 0}
.section-head{max-width:680px;margin:0 auto 60px;text-align:center}
.section-head h2{font-size:clamp(2rem, 4.4vw, 3rem);font-weight:800;margin-bottom:16px}
.section-head p{color:var(--ink-soft);font-size:1.12rem}

/* ---------- How it works ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{
  background:var(--white);border-radius:var(--radius);padding:38px 30px 34px;
  box-shadow:0 10px 34px -18px rgba(12,39,48,.18);
  transition:transform .3s ease, box-shadow .3s ease;
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step .num{
  width:58px;height:64px;display:flex;align-items:center;justify-content:center;
  border-radius:999px 999px 14px 14px;margin-bottom:22px;
  font-family:var(--font-display);font-weight:800;font-size:1.5rem;color:var(--white);
}
.step:nth-child(1) .num{background:var(--red)}
.step:nth-child(2) .num{background:var(--orange)}
.step:nth-child(3) .num{background:var(--teal)}
.step h3{font-size:1.32rem;margin-bottom:12px}
.step p{color:var(--ink-soft);font-size:1rem}

/* ---------- Demo ---------- */
.demo-card{
  margin-top:70px;background:var(--white);border-radius:36px;
  box-shadow:var(--shadow);padding:40px;text-align:center;
}
.demo-card h3{font-size:1.5rem;margin-bottom:8px}
.demo-card .hint{color:var(--ink-soft);margin-bottom:26px}
.demo-svg-wrap{max-width:720px;margin:0 auto 26px;border-radius:24px;overflow:hidden;background:#E9F2E4}
.demo-svg-wrap svg{width:100%;height:auto;display:block}
.fence{fill:none;stroke:var(--teal);stroke-width:3.5;stroke-linejoin:round;
  stroke-dasharray:10 9;transition:opacity .9s ease}
.fence.inactive{opacity:0}
.fence.active{opacity:1;animation:march 1.2s linear infinite}
@keyframes march{to{stroke-dashoffset:-19}}
.cow{transition:transform 2s cubic-bezier(.45,.05,.35,1)}
.cow text{font-size:30px}
.note-pop text{opacity:0;font-size:20px;fill:var(--teal);font-weight:700}
.note-pop.play text{animation:notepop 2s ease forwards}
@keyframes notepop{
  0%{opacity:0;transform:translateY(6px)}
  25%{opacity:1;transform:translateY(-6px)}
  75%{opacity:1;transform:translateY(-14px)}
  100%{opacity:0;transform:translateY(-22px)}
}
#demo-btn svg{transition:transform .4s ease}
#demo-btn.flip svg{transform:scaleX(-1)}

/* ---------- Benefits ---------- */
.benefits{background:var(--cream-2);border-radius:64px 64px 0 0}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.benefit{
  background:var(--white);border-radius:var(--radius);padding:34px 26px;
  transition:transform .3s ease, box-shadow .3s ease;
}
.benefit:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.benefit .icon{
  width:56px;height:62px;border-radius:999px 999px 14px 14px;
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.benefit:nth-child(1) .icon{background:rgba(223,59,38,.12);color:var(--red)}
.benefit:nth-child(2) .icon{background:rgba(34,128,182,.12);color:var(--blue)}
.benefit:nth-child(3) .icon{background:rgba(232,147,15,.14);color:var(--orange)}
.benefit:nth-child(4) .icon{background:rgba(22,156,120,.12);color:var(--teal)}
.benefit h3{font-size:1.18rem;margin-bottom:10px}
.benefit p{color:var(--ink-soft);font-size:.97rem}

/* ---------- Product (dark) ---------- */
.product{background:var(--ink);color:var(--cream);overflow:hidden}
.product .kicker{color:var(--orange)}
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.product-img{position:relative;max-width:480px;margin:0 auto}
.product-img img{
  width:100%;aspect-ratio:1/1;object-fit:cover;
  border-radius:32px;
  box-shadow:0 30px 80px -30px rgba(0,0,0,.7);
  border:1px solid rgba(250,245,236,.1);
}
.product-copy h2{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800;margin-bottom:14px}
.product-copy .sub{color:rgba(250,245,236,.72);font-size:1.12rem;margin-bottom:34px}
.spec-list{list-style:none;display:grid;gap:18px;margin-bottom:34px}
.spec-list li{display:flex;gap:16px;align-items:flex-start;font-size:1.05rem}
.spec-list .ic{
  flex:none;width:42px;height:42px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(250,245,236,.08);
}
.spec-list li:nth-child(1) .ic{color:var(--orange)}
.spec-list li:nth-child(2) .ic{color:var(--blue)}
.spec-list li:nth-child(3) .ic{color:var(--teal)}
.spec-list li:nth-child(4) .ic{color:var(--red)}
.trust-line{
  display:flex;gap:12px;align-items:center;padding:18px 22px;
  background:rgba(250,245,236,.06);border:1px solid rgba(250,245,236,.12);
  border-radius:18px;font-size:.95rem;color:rgba(250,245,236,.85);
}
.trust-line svg{flex:none;color:var(--teal)}

/* ---------- Expertise ---------- */
.expertise{background:var(--cream-2)}
.expertise .container{max-width:880px;text-align:center}
.expertise h2{font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:800;margin-bottom:22px}
.expertise p{font-size:1.18rem;color:var(--ink-soft);margin-bottom:36px}
.tech-chips{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.tech-chips .chip{background:var(--cream)}

/* ---------- Supported by ---------- */
.supported{padding:80px 0;background:var(--white)}
.supported h2{
  text-align:center;font-size:.9rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);font-family:var(--font-body);font-weight:700;margin-bottom:44px;
}
.logo-grid{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:48px 72px;
}
.logo-grid img{height:48px;width:auto;opacity:.85;transition:opacity .3s,transform .3s}
.logo-grid img:hover{opacity:1;transform:translateY(-3px)}

/* ---------- Offering ---------- */
.offer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;max-width:880px;margin:0 auto 36px}
.offer-card{
  background:var(--white);border-radius:36px;padding:44px 38px;
  display:flex;flex-direction:column;
  transition:transform .3s ease, box-shadow .3s ease;
}
.offer-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.offer-card.accent{border:3px solid var(--teal)}
.offer-card .tag{
  align-self:flex-start;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:7px 14px;border-radius:999px;margin-bottom:20px;
}
.offer-card.accent .tag{background:rgba(22,156,120,.12);color:var(--teal)}
.offer-card:not(.accent) .tag{background:rgba(232,147,15,.14);color:var(--orange)}
.offer-card h3{font-size:1.5rem;margin-bottom:22px}
.offer-card ul{list-style:none;display:grid;gap:14px;margin-bottom:30px}
.offer-card li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-soft)}
.offer-card li svg{flex:none;margin-top:4px;color:var(--teal)}
.offer-card .btn{margin-top:auto;justify-content:center}
.offer-note{text-align:center;color:var(--ink-soft);font-weight:600}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--teal),var(--blue));
  border-radius:64px 64px 0 0;color:var(--cream);text-align:center;
  padding:110px 24px;position:relative;overflow:hidden;
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;border-radius:50% 50% 10% 10%;opacity:.12;background:#fff;
}
.cta-band::before{width:300px;height:340px;left:-110px;top:40px}
.cta-band::after{width:220px;height:260px;right:-80px;bottom:-60px}
.cta-band h2{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800;margin-bottom:16px;position:relative}
.cta-band p{font-size:1.15rem;opacity:.88;margin-bottom:36px;position:relative}
.cta-band .hero-ctas{margin-bottom:0;position:relative}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:rgba(250,245,236,.75);padding:70px 0 36px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;margin-bottom:50px}
.footer-grid h4{
  color:var(--cream);font-family:var(--font-body);font-size:.82rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px;
}
footer .brand img{height:64px;margin-bottom:16px;background:var(--cream);border-radius:16px;padding:6px}
footer .brand p{font-size:.95rem;max-width:260px}
footer ul{list-style:none;display:grid;gap:10px}
footer a{color:rgba(250,245,236,.75);text-decoration:none;font-size:.95rem;transition:color .2s}
footer a:hover{color:var(--cream)}
footer address{font-style:normal;font-size:.95rem;line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(250,245,236,.12);padding-top:28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.85rem;color:rgba(250,245,236,.5);
}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.12s}
.reveal-d2{transition-delay:.24s}
.reveal-d3{transition-delay:.36s}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .steps,.benefit-grid{grid-template-columns:1fr 1fr}
  .product-grid{grid-template-columns:1fr;gap:44px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media (max-width: 640px){
  .section{padding:80px 0}
  .hero{padding-top:130px}
  .blob{opacity:.1}
  .blob-1{width:190px;height:220px;left:-90px}
  .blob-2{width:160px;height:185px;right:-70px}
  .blob-3{width:110px;height:130px}
  .blob-4{width:90px;height:105px}
  .steps,.benefit-grid,.offer-grid{grid-template-columns:1fr}
  .demo-card{padding:28px 18px}
  .footer-grid{grid-template-columns:1fr}
  .nav-right .signin{display:none}
  .nav-cta{display:none}
  .hero .sub{font-size:1.05rem}
  .benefits,.cta-band{border-radius:36px 36px 0 0}
}

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