/* =========================================================
   NUSA EVERGREEN COMMODITIES — Design System
   Modern, Minimalist, Corporate, Premium, Industrial
   ========================================================= */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ---------- Tokens ---------- */
:root{
  /* Brand colors — matched to the NEC logo */
  --color-primary: #145A32;        /* deep evergreen (logo bg) */
  --color-primary-dark: #0B3B20;   /* darker green for gradients/hover */
  --color-primary-light: #1F8A43;  /* brighter accent green (logo wordmark) */
  --color-white: #FFFFFF;
  --color-charcoal: #1A1A1A;
  --color-black: #101010;
  --color-beige: #F4EFE6;          /* warm neutral accent */

  --color-text: #232823;
  --color-muted: #667066;
  --color-border: #E3E1D8;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F8F5;

  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --container-max: 1240px;
  --radius: 6px;
  --radius-lg: 14px;

  --shadow-sm: 0 2px 10px rgba(16, 16, 16, 0.06);
  --shadow-md: 0 10px 30px rgba(16, 16, 16, 0.10);
  --shadow-lg: 0 20px 50px rgba(11, 59, 32, 0.18);

  --transition: 220ms ease;
  --header-h: 84px;
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
h1,h2,h3,h4{
  font-family: var(--font-heading);
  color: var(--color-charcoal);
  line-height: 1.2;
  margin: 0 0 .6em;
  font-weight: 700;
}
p{ margin: 0 0 1em; }
button{ font-family: inherit; cursor: pointer; }
input, textarea, select{ font-family: inherit; font-size: 1rem; }

.container{
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

section{ padding: 96px 0; }
@media (max-width: 768px){ section{ padding: 64px 0; } }

.section-tag{
  display: inline-block;
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 14px;
}
.section-heading{
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  max-width: 720px;
}
.section-heading.center{ margin-left: auto; margin-right: auto; text-align: center; }
.section-sub{
  color: var(--color-muted);
  max-width: 640px;
  font-size: 1.05rem;
}
.section-header{ margin-bottom: 48px; }
.section-header.center{ text-align: center; margin-left: auto; margin-right: auto; }
.section-header.center .section-sub{ margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-primary{
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover{ background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline{
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover{ background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); }
.btn-outline.on-dark{ border-color: rgba(255,255,255,.65); color: var(--color-white); }
.btn-outline.on-dark:hover{ background: var(--color-white); color: var(--color-primary-dark); border-color: var(--color-white); }
.btn-white{
  background: var(--color-white);
  color: var(--color-primary-dark);
}
.btn-white:hover{ background: var(--color-beige); transform: translateY(-2px); }
.btn-block{ width: 100%; }
.btn-sm{ padding: 10px 20px; font-size: .85rem; }

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition);
  height: var(--header-h);
  display: flex;
  align-items: center;
}
.site-header.is-scrolled{
  box-shadow: var(--shadow-sm);
  border-color: var(--color-border);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand{ display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img{ height: 42px; width: auto; }

.main-nav{ display: flex; align-items: center; gap: 4px; }
.main-nav a{
  padding: 10px 16px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.main-nav a:hover{ color: var(--color-primary); background: var(--color-bg-alt); }
.main-nav a.active{ color: var(--color-primary); font-weight: 600; }

.header-actions{ display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
}
.nav-toggle span{
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: var(--color-charcoal);
  transition: transform var(--transition), opacity var(--transition);
}
.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); }

@media (max-width: 960px){
  .main-nav{
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    gap: 2px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    overflow-y: auto;
  }
  .main-nav.is-open{ opacity: 1; transform: translateY(0); pointer-events: auto; }
  .main-nav a{ padding: 14px 12px; font-size: 1.02rem; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .header-actions .btn-outline{ display: none; }
  .nav-toggle{ display: flex; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
  background: linear-gradient(120deg, var(--color-black) 0%, var(--color-primary-dark) 45%, var(--color-primary) 100%);
}
.hero-bg-img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
  mix-blend-mode: luminosity;
}
.hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,59,32,.35) 0%, rgba(11,59,32,.75) 100%);
}
.hero-content{ position: relative; z-index: 2; max-width: 780px; }
.hero-eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-beige);
  margin-bottom: 20px;
  font-weight: 600;
}
.hero h1{
  color: var(--color-white);
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  margin-bottom: .5em;
}
.hero p{
  font-size: 1.15rem;
  color: rgba(255,255,255,.86);
  max-width: 620px;
  margin-bottom: 2em;
}
.hero-actions{ display: flex; gap: 16px; flex-wrap: wrap; }

.page-hero{
  position: relative;
  min-height: 46vh;
  display: flex;
  align-items: flex-end;
  color: var(--color-white);
  background: linear-gradient(120deg, var(--color-black) 0%, var(--color-primary-dark) 55%, var(--color-primary) 100%);
  overflow: hidden;
}
.page-hero .hero-bg-img{ opacity: .45; }
.page-hero .container{ position: relative; z-index: 2; padding-bottom: 56px; padding-top: 140px; }
.page-hero h1{ color: var(--color-white); font-size: clamp(1.9rem, 4vw, 2.9rem); margin-bottom: .3em; }
.breadcrumb{ font-size: .85rem; color: rgba(255,255,255,.75); margin-bottom: 14px; }
.breadcrumb a{ color: rgba(255,255,255,.75); }
.breadcrumb a:hover{ color: var(--color-white); }
.page-hero p{ color: rgba(255,255,255,.85); max-width: 620px; }

/* ---------- Image placeholders ---------- */
.img-ph{
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: repeating-linear-gradient(135deg, #EEF1EC 0px, #EEF1EC 12px, #E4E8E1 12px, #E4E8E1 24px);
  border: 1px dashed #C4CBBF;
  border-radius: var(--radius);
  color: #5B6459;
  overflow: hidden;
}
.img-ph-icon{ width: 42px; height: 42px; opacity: .3; flex-shrink: 0; }
.img-ph-caption{
  margin-top: 10px;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  opacity: .55;
}
.img-ph-inner{ display: flex; flex-direction: column; align-items: center; }
.img-ph.ratio-hero{ aspect-ratio: 16 / 9; }
.img-ph.ratio-card{ aspect-ratio: 4 / 3; }
.img-ph.ratio-square{ aspect-ratio: 1 / 1; }
.img-ph.ratio-wide{ aspect-ratio: 21 / 9; }
.img-ph.ratio-portrait{ aspect-ratio: 3 / 4; }

/* ---------- Cards ---------- */
.card{
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-body{ padding: 26px; }
.card-eyebrow{
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 8px;
}
.card h3{ font-size: 1.2rem; margin-bottom: .5em; }
.card p{ color: var(--color-muted); font-size: .94rem; margin-bottom: 1.2em; }
.card-link{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: .88rem;
  color: var(--color-primary);
}
.card-link svg{ width: 14px; height: 14px; transition: transform var(--transition); }
.card:hover .card-link svg{ transform: translateX(4px); }

.grid{ display: grid; gap: 28px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px){ .grid-3, .grid-4{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px){ .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; } }

/* ---------- Split section ---------- */
.split{ display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse .split-media{ order: 2; }
@media (max-width: 860px){
  .split{ grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media{ order: 0; }
}

/* ---------- Feature list ---------- */
.feature-list{ display: grid; gap: 22px; }
.feature-item{ display: flex; gap: 18px; align-items: flex-start; }
.feature-icon{
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(20,90,50,.09);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.feature-icon svg{ width: 22px; height: 22px; }
.feature-item h4{ margin-bottom: .3em; font-size: 1.02rem; }
.feature-item p{ color: var(--color-muted); font-size: .92rem; margin: 0; }

/* ---------- Timeline / process steps ---------- */
.process-steps{
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  counter-reset: step;
}
@media (max-width: 960px){ .process-steps{ grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px){ .process-steps{ grid-template-columns: 1fr; } }
.process-step{
  position: relative;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  counter-increment: step;
}
.process-step::before{
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--color-primary-light);
  margin-bottom: 10px;
}
.process-step h4{ font-size: .96rem; margin-bottom: .4em; }
.process-step p{ font-size: .84rem; color: var(--color-muted); margin: 0; }

/* ---------- Section variants ---------- */
.section-alt{ background: var(--color-bg-alt); }
.section-dark{
  background: linear-gradient(135deg, var(--color-black), var(--color-primary-dark));
  color: rgba(255,255,255,.92);
}
.section-dark h2, .section-dark h3, .section-dark h4{ color: var(--color-white); }
.section-dark .section-sub{ color: rgba(255,255,255,.72); }
.section-dark .section-tag{ color: #7FD9A4; }

/* ---------- Stats ---------- */
.stat-row{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 760px){ .stat-row{ grid-template-columns: repeat(2, 1fr); } }
.stat{ text-align: center; }
.stat .num{ font-family: var(--font-heading); font-weight: 800; font-size: 2.1rem; color: var(--color-primary-light); }
.stat .label{ font-size: .82rem; color: var(--color-muted); letter-spacing: .02em; }
.section-dark .stat .label{ color: rgba(255,255,255,.7); }

/* ---------- Tables (product specs) ---------- */
.spec-table{ width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td{
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: .94rem;
}
.spec-table th{ width: 42%; color: var(--color-muted); font-weight: 600; }
.spec-table tr:last-child th, .spec-table tr:last-child td{ border-bottom: none; }
.spec-note{
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--color-beige);
  border-left: 3px solid var(--color-primary);
  border-radius: 4px;
  font-size: .84rem;
  color: var(--color-primary-dark);
}

/* ---------- Forms ---------- */
.form-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px){ .form-grid{ grid-template-columns: 1fr; } }
.form-field{ display: flex; flex-direction: column; gap: 8px; }
.form-field.full{ grid-column: 1 / -1; }
.form-field label{ font-size: .86rem; font-weight: 600; color: var(--color-charcoal); }
.form-field label .req{ color: #C0392B; }
.form-field input,
.form-field select,
.form-field textarea{
  padding: 13px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20,90,50,.14);
}
.form-field textarea{ resize: vertical; min-height: 120px; }
.form-hp{ position: absolute; left: -9999px; opacity: 0; }
.form-note{ font-size: .78rem; color: var(--color-muted); }
.form-status{
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: .9rem;
}
.form-status.success{ display: block; background: #E7F6EC; color: #1C6B3B; border: 1px solid #B7E4C7; }
.form-status.error{ display: block; background: #FCEDEC; color: #B23A2E; border: 1px solid #F1C2BC; }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--color-black);
  color: rgba(255,255,255,.7);
  padding: 80px 0 0;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
@media (max-width: 860px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-brand img{ height: 46px; width: auto; margin-bottom: 18px; }
.footer-brand p{ font-size: .88rem; max-width: 320px; color: rgba(255,255,255,.6); }
.footer-col h5{
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul{ display: flex; flex-direction: column; gap: 10px; }
.footer-col a{ font-size: .9rem; color: rgba(255,255,255,.65); transition: color var(--transition); }
.footer-col a:hover{ color: var(--color-white); }
.footer-col address{ font-style: normal; font-size: .9rem; color: rgba(255,255,255,.65); line-height: 1.8; }
.footer-bottom{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  flex-wrap: wrap;
}
.footer-bottom a{ color: rgba(255,255,255,.5); }
.footer-bottom a:hover{ color: var(--color-white); }
.footer-legal{ display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 300;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(37,211,102,.45);
  transition: transform var(--transition);
}
.wa-float:hover{ transform: scale(1.08); }
.wa-float svg{ width: 30px; height: 30px; fill: #fff; }
@media (max-width: 560px){
  .wa-float{ right: 16px; bottom: 16px; width: 54px; height: 54px; }
  .wa-float svg{ width: 26px; height: 26px; }
}

/* ---------- Gallery ---------- */
.gallery-filters{ display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.gallery-filter{
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.gallery-filter:hover{ border-color: var(--color-primary); color: var(--color-primary); }
.gallery-filter.active{ background: var(--color-primary); border-color: var(--color-primary); color: var(--color-white); }
.gallery-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px){ .gallery-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .gallery-grid{ grid-template-columns: 1fr; } }
.gallery-item{ display: none; }
.gallery-item.is-visible{ display: block; }
.gallery-item .img-ph{ border-radius: var(--radius-lg); }

/* ---------- CTA band ---------- */
.cta-band{
  border-radius: var(--radius-lg);
  padding: 64px;
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2{ color: var(--color-white); margin-bottom: .3em; font-size: clamp(1.4rem, 2.6vw, 2rem); }
.cta-band p{ color: rgba(255,255,255,.82); margin: 0; max-width: 460px; }
.cta-actions{ display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 760px){ .cta-band{ padding: 40px 28px; } }

/* ---------- Utility ---------- */
.mt-0{ margin-top: 0; }
.text-center{ text-align: center; }
.pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(20,90,50,.09);
  color: var(--color-primary);
  font-size: .78rem;
  font-weight: 600;
}
.badge-dark{ background: rgba(255,255,255,.1); color: var(--color-white); }

.reveal{ opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

.download-card{
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 26px 28px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.download-card svg{ width: 40px; height: 40px; color: var(--color-primary); flex-shrink: 0; }
.download-card h4{ margin-bottom: .2em; }
.download-card p{ margin: 0; font-size: .85rem; color: var(--color-muted); }

.map-ph{
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
}

.list-check{ display: grid; gap: 12px; }
.list-check li{ display: flex; gap: 10px; align-items: flex-start; font-size: .94rem; color: var(--color-text); }
.list-check svg{ width: 18px; height: 18px; color: var(--color-primary-light); flex-shrink: 0; margin-top: 3px; }

.tag-row{ display: flex; flex-wrap: wrap; gap: 10px; }
.tag-row .pill{ background: var(--color-bg-alt); border: 1px solid var(--color-border); color: var(--color-text); }