/* ============================================================
   NUSLOADER — design tokens (aligned with Nusfun.com)
   Clean white background, deep-green primary (Nusfun's own
   #0f766e), pale-green accent sections, rounded cards.
   Calm, practical B2B tone — a Nusfun product site.
   ============================================================ */

:root{
  --primary:      #0f766e;
  --primary-dark: #0b5c56;
  --primary-deep: #0a4b46;
  --accent-light: #e6f4f2;
  --accent-lighter: #f3faf9;
  --clay:         #9a5b2e;
  --clay-bg:      #fbf1e8;
  --border:       #dfe7e5;
  --ink:          #16231f;
  --ink-soft:     #55655f;
  --white:        #FFFFFF;
  --paper:        #FFFFFF;

  --display: "Manrope", "Segoe UI", -apple-system, sans-serif;
  --body:    "IBM Plex Sans", -apple-system, sans-serif;
  --mono:    "IBM Plex Mono", "Courier New", monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --max: 1180px;
  --edge: clamp(20px, 5vw, 64px);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
.wrap{ max-width:var(--max); margin:0 auto; padding-left:var(--edge); padding-right:var(--edge); }

h1,h2,h3,h4{
  font-family:var(--display);
  text-transform:none;
  font-weight:800;
  letter-spacing:-0.01em;
  line-height:1.1;
  margin:0 0 .4em;
  color:var(--ink);
}
h1{ font-size:clamp(2.2rem, 5.5vw, 3.6rem); }
h2{ font-size:clamp(1.6rem, 3.2vw, 2.3rem); }
h3{ font-size:clamp(1.1rem, 2vw, 1.3rem); }

p{ margin:0 0 1em; color:var(--ink-soft); max-width:60ch; }
.lede{ font-size:1.1rem; color:var(--ink); }

.eyebrow{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:0.14em;
  font-size:0.72rem;
  color:var(--primary);
  font-weight:600;
  display:flex; align-items:center; gap:.6em;
  margin-bottom:0.9em;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px; background:var(--primary);
  display:inline-block;
}

/* ---------- nameplate mark / logo ---------- */
.nameplate{
  display:inline-flex;
  align-items:baseline;
  gap:.5em;
  font-family:var(--display);
  text-transform:none;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--ink);
  text-decoration:none;
  font-size:1.4rem;
  line-height:1;
}
.nameplate small{
  font-family:var(--body);
  font-size:.62rem;
  letter-spacing:.06em;
  color:var(--ink-soft);
  text-transform:uppercase;
  font-weight:600;
}

/* ---------- header / nav ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,0.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px var(--edge);
  max-width:var(--max); margin:0 auto;
}
nav.main{ display:flex; gap:1.8rem; align-items:center; }
nav.main a{
  font-family:var(--body);
  font-size:.9rem;
  font-weight:500;
  letter-spacing:0;
  text-transform:none;
  text-decoration:none;
  color:var(--ink-soft);
  padding:6px 0;
  border-bottom:2px solid transparent;
  transition:color .15s, border-color .15s;
}
nav.main a:hover, nav.main a.active{
  color:var(--primary);
  border-color:var(--primary);
}
.nav-cta{
  background:var(--primary);
  color:var(--white) !important;
  padding:10px 20px !important;
  border-radius:999px;
  border-bottom:none !important;
}
.nav-cta:hover{ background:var(--primary-dark); color:var(--white) !important; }

/* mobile menu button (hidden on desktop) */
.burger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:38px; height:38px;
  border:1.5px solid var(--border);
  background:var(--white);
  border-radius:var(--radius-sm);
  cursor:pointer;
  padding:0;
}
.burger span{
  display:block; width:18px; height:2px; background:var(--ink); margin:0 auto;
}
.mobile-nav{
  display:none;
  flex-direction:column;
  background:var(--white);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.mobile-nav.open{ display:flex; }
.mobile-nav a{
  font-family:var(--body); font-size:.95rem; font-weight:500;
  text-decoration:none; color:var(--ink-soft);
  padding:16px var(--edge); border-top:1px solid var(--border);
}
.mobile-nav a:first-child{ border-top:none; }
.mobile-nav a.active{ color:var(--primary); font-weight:700; }
.mobile-nav a.nav-cta{ background:var(--primary); color:var(--white) !important; margin:12px var(--edge); text-align:center; border-radius:999px; padding:14px; border-top:none; }

/* compliance note */
.compliance-note{
  border:1.5px solid var(--clay);
  background:var(--clay-bg);
  padding:16px 20px;
  border-radius:var(--radius-sm);
  font-size:.85rem;
  color:var(--ink-soft);
  max-width:80ch;
}
.compliance-note strong{ color:var(--ink); }
.compliance-note.tight{ padding:12px 16px; font-size:.8rem; display:inline-block; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--body);
  font-size:.9rem;
  letter-spacing:0;
  text-transform:none;
  text-decoration:none;
  padding:13px 24px;
  border-radius:999px;
  border:1.5px solid var(--primary);
  color:var(--primary);
  font-weight:600;
  background:transparent;
  cursor:pointer;
  transition:all .15s ease;
}
.btn:hover{ background:var(--primary); color:var(--white); }
.btn.solid{ background:var(--primary); color:var(--white); border-color:var(--primary); }
.btn.solid:hover{ background:var(--primary-dark); border-color:var(--primary-dark); }
.btn.ghost{ border-color:rgba(255,255,255,0.6); color:var(--white); }
.btn.ghost:hover{ background:var(--white); color:var(--primary); }
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top:1.6em; }

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(180deg, var(--accent-lighter) 0%, var(--white) 60%);
  color:var(--ink);
  overflow:hidden;
}
.hero-grid{
  max-width:var(--max); margin:0 auto; padding:64px var(--edge) 72px;
  display:grid; grid-template-columns:1.05fr 1fr; gap:44px; align-items:center;
}
.hero-copy .eyebrow{ color:var(--primary); }
.hero-copy .eyebrow::before{ background:var(--primary); }
.hero h1{ color:var(--ink); }
.hero p.lede{ color:var(--ink-soft); font-size:1.1rem; }
.hero .supporting-line{
  font-size:.88rem; color:var(--ink-soft); margin-top:-.4em;
}

.hero-photo-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:14px;
  box-shadow:0 24px 48px -24px rgba(15,118,110,0.25);
}
.hero-photo-card img{ width:100%; border-radius:calc(var(--radius) - 6px); }
.hero-photo-card .photo-caption{
  margin:10px 4px 2px; font-size:.78rem; color:var(--ink-soft); text-align:center;
}

/* dimension overlay retired in favour of a calmer, non-technical hero */
.dim-svg{ display:none; }

.hero-strip{ display:none; }

/* ---------- sections ---------- */
section{ padding:76px 0; }
section.tight{ padding:48px 0; }
.section-head{ max-width:640px; margin-bottom:40px; }
.on-charcoal{ background:var(--accent-light); color:var(--ink); border-radius:var(--radius); margin:0 var(--edge); }
.on-charcoal .wrap{ padding-top:56px; padding-bottom:56px; max-width:calc(var(--max) - 2 * var(--edge)); }
.on-charcoal h2, .on-charcoal h3{ color:var(--ink); }
.on-charcoal p{ color:var(--ink-soft); }
.on-mint{ background:var(--accent-light); }
.on-clay{ background:var(--accent-lighter); }

/* application / advantage cards */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
.card{
  background:var(--white);
  border:1px solid var(--border);
  padding:28px 24px;
  border-radius:var(--radius);
  transition:box-shadow .15s ease, transform .15s ease;
}
.card:hover{ box-shadow:0 12px 30px -18px rgba(15,118,110,0.35); }
.card .idx{
  font-family:var(--mono); font-size:.72rem; color:var(--primary);
  letter-spacing:.08em; text-transform:uppercase;
}
.card h3{ margin-top:.5em; }
.card p{ font-size:.94rem; margin-bottom:0; }

.adv-list{ list-style:none; margin:0; padding:0; display:grid; gap:0; }
.adv-list li{
  display:grid; grid-template-columns:64px 1fr; gap:20px;
  padding:22px 0; border-top:1px solid var(--border);
}
.adv-list li:last-child{ border-bottom:1px solid var(--border); }
.adv-list .tag{ font-family:var(--mono); font-size:.7rem; color:var(--primary); letter-spacing:.08em; padding-top:3px; text-transform:uppercase; }
.adv-list h4{ color:var(--ink); margin:0 0 .3em; font-size:1.05rem; text-transform:none; letter-spacing:0; font-family:var(--display); font-weight:700; }
.adv-list p{ color:var(--ink-soft); margin:0; font-size:.92rem; }

/* gallery */
.gallery{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.gallery img{ border-radius:var(--radius-sm); height:100%; object-fit:cover; }
.gallery .span-2{ grid-column:span 2; grid-row:span 2; }

/* spec sheet */
.spec-table{ width:100%; border-collapse:collapse; table-layout:fixed; font-family:var(--mono); font-size:.9rem; }
.spec-table caption{
  text-align:left; font-family:var(--display); text-transform:none;
  font-size:1.2rem; font-weight:800; margin-bottom:14px; color:var(--ink);
}
.spec-table tr{ border-top:1px solid var(--border); }
.spec-table tr:last-child{ border-bottom:1px solid var(--border); }
.spec-table tr:nth-child(even){ background:var(--accent-lighter); }
.spec-table td{ padding:16px 18px; vertical-align:top; line-height:1.4; }
.spec-table td:first-child{
  color:var(--ink-soft); width:52%;
  border-right:1px solid var(--border);
}
.spec-table td:last-child{ color:var(--ink); font-weight:600; text-align:left; }
.spec-table td .unconfirmed{
  display:block; font-weight:400; font-size:.82em; color:var(--ink-soft);
  margin-top:3px; letter-spacing:.02em;
}
.spec-block{
  margin-bottom:36px; background:var(--white); border:1px solid var(--border);
  border-radius:var(--radius); padding:24px; overflow:hidden;
}
.spec-block .spec-table{ margin:0; }

@media (max-width:600px){
  .spec-table, .spec-table tbody, .spec-table tr, .spec-table td{ display:block; width:100% !important; }
  .spec-table tr{ padding:14px 0; }
  .spec-table td:first-child{ border-right:none; padding-bottom:4px; font-size:.82rem; }
  .spec-table td:last-child{ padding-top:0; }
}

.status-box{
  border:1.5px solid var(--clay);
  background:var(--clay-bg);
  padding:22px 24px;
  border-radius:var(--radius-sm);
  margin-top:24px;
}
.status-box .eyebrow{ color:var(--clay); }
.status-box .eyebrow::before{ background:var(--clay); }
.status-box p{ margin:0; font-size:.92rem; }

/* dealer steps */
.steps{ counter-reset:step; display:grid; gap:0; }
.step{
  display:grid; grid-template-columns:80px 1fr; gap:22px;
  padding:26px 0; border-top:1px solid var(--border);
}
.step:last-child{ border-bottom:1px solid var(--border); }
.step .n{
  counter-increment:step; font-family:var(--display); font-size:1.5rem; color:var(--primary); font-weight:800;
}
.step .n::before{ content: counter(step, decimal-leading-zero); }

/* forms */
form.enquiry{ display:grid; gap:18px; max-width:640px; }
.f-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
label{
  display:block; font-family:var(--mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.06em; color:var(--ink-soft); margin-bottom:6px;
}
input, select, textarea{
  width:100%; font-family:var(--body); font-size:.95rem; padding:12px 14px;
  border:1.5px solid var(--border); border-radius:var(--radius-sm); background:var(--white); color:var(--ink);
}
input:focus, select:focus, textarea:focus{
  outline:2px solid var(--primary); outline-offset:1px; border-color:var(--primary);
}
textarea{ resize:vertical; min-height:110px; }
.form-note{ font-size:.82rem; color:var(--ink-soft); }
#form-msg{ font-family:var(--body); font-size:.85rem; padding:14px; border-radius:var(--radius-sm); display:none; }
#form-msg.ok{ display:block; background:var(--accent-light); color:var(--primary-dark); border:1px solid var(--primary); }

/* on-charcoal is now a light accent section; form labels use default styling */

/* CTA band */
.cta-band{
  background:var(--primary); color:var(--white);
  padding:48px 0; text-align:left;
  border-radius:var(--radius);
  margin:0 var(--edge);
  width:auto;
}
.cta-band .wrap{ display:flex; justify-content:space-between; align-items:center; gap:30px; flex-wrap:wrap; max-width:calc(var(--max) - 2 * var(--edge)); padding-left:32px; padding-right:32px; }
.cta-band h2{ color:var(--white); }
.cta-band .btn{ border-color:var(--white); color:var(--white); }
.cta-band .btn:hover{ background:var(--white); color:var(--primary); }

/* portfolio cross-link section (Home page) */
.portfolio-cta{
  background:var(--accent-light);
  border-radius:var(--radius);
  margin:0 var(--edge);
  padding:40px 36px;
  display:flex; align-items:center; justify-content:space-between; gap:28px; flex-wrap:wrap;
}
.portfolio-cta h2{ font-size:1.5rem; margin-bottom:.3em; }
.portfolio-cta p{ margin:0; max-width:56ch; }

/* footer */
footer.site{ background:var(--white); color:var(--ink-soft); padding:56px 0 28px; border-top:1px solid var(--border); }
footer.site .foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; margin-bottom:40px; }
footer.site h4{ color:var(--ink); font-size:.82rem; letter-spacing:.06em; text-transform:uppercase; margin-bottom:.9em; }
footer.site p{ color:var(--ink-soft); font-size:.88rem; }
footer.site a{ text-decoration:none; color:var(--ink-soft); font-size:.88rem; display:block; margin-bottom:8px; }
footer.site a:hover{ color:var(--primary); }
footer.site a.visit-nusfun{ color:var(--primary); font-weight:600; }
.foot-bottom{
  border-top:1px solid var(--border); padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-family:var(--mono); font-size:.72rem; letter-spacing:.03em; color:var(--ink-soft);
}

/* utility */
.mt-0{ margin-top:0; }
.disclaimer{
  font-size:.78rem; color:var(--ink-soft); max-width:80ch; margin-top:18px;
}

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; padding-top:36px; }
  .hero-strip .wrap{ grid-template-columns:repeat(2,1fr); gap:20px 0; }
  .grid-3{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
  .gallery{ grid-template-columns:repeat(2,1fr); }
  footer.site .foot-grid{ grid-template-columns:1fr; }
  .f-row{ grid-template-columns:1fr; }
  nav.main{ display:none; }
  .burger{ display:flex; }
  .portfolio-cta{ padding:28px 22px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; animation:none !important; }
}

/* Nusfun brand logo link (nav + footer) */
.nusfun-logo-link{ display:inline-flex; align-items:center; }
.nusfun-logo-link img{ height:22px !important; width:61px !important; max-width:61px; object-fit:contain; display:block; }
.mobile-nav .nusfun-logo-link{ padding:16px var(--edge); }
footer.site .nusfun-logo-link img{ height:34px !important; width:94px !important; max-width:94px; margin-top:4px; }
footer.site .nusfun-logo-link{ margin-bottom:8px; }