:root {
  --black: #0a0a0a;
  --black-soft: #121212;
  --gold: #f2b705;
  --gold-soft: #f7cc3b;
  --white: #f5f5f5;
  --gray: #b8b8b8;
  --max-width: 1180px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

h1, h2, h3 { font-weight: 600; margin: 0 0 16px; }

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

img { max-width: 100%; display: block; }

.section-tag {
  display: inline-block;
  color: var(--gold);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
}
.section-tag.center { display: block; text-align: center; }
h2.center { text-align: center; max-width: 640px; margin: 0 auto 48px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--gold); color: #1a1a1a; }
.btn-primary:hover { background: var(--gold-soft); transform: translateY(-2px); }
.btn-outline { border-color: var(--gold); color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: #1a1a1a; }
.btn-ghost { border-color: rgba(255,255,255,0.4); color: var(--white); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(242,183,5,0.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 38px; width: auto; }
.brand-text { font-weight: 700; letter-spacing: 1px; font-size: 18px; }
.main-nav { display: flex; gap: 28px; }
.main-nav a { font-size: 15px; color: var(--gray); transition: color 0.2s; }
.main-nav a:hover { color: var(--gold); }
.main-nav a.active { color: var(--gold); }
.header-cta { white-space: nowrap; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--white); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  text-align: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.75) 0%, rgba(10,10,10,0.55) 50%, rgba(10,10,10,0.92) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-logo { width: 90px; margin: 0 auto 24px; }
.hero h1 { font-size: 52px; margin-bottom: 16px; }
.hero p { font-size: 18px; color: var(--gray); margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  color: var(--gold); font-size: 22px; animation: bounce 2s infinite; z-index: 2;
}
@keyframes bounce { 0%,100%{transform:translate(-50%,0);} 50%{transform:translate(-50%,8px);} }

/* Stats */
.stats { background: var(--black-soft); padding: 56px 0; border-top: 1px solid rgba(242,183,5,0.1); border-bottom: 1px solid rgba(242,183,5,0.1); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; gap: 24px; }
.stat-num { display: block; font-size: 38px; font-weight: 700; color: var(--gold); }
.stat-label { font-size: 14px; color: var(--gray); }

/* About */
.about { padding: 100px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text p { color: var(--gray); font-size: 16px; }
.about-text .mission { color: var(--white); font-size: 18px; margin-top: 24px; }
.about-images { display: grid; gap: 16px; }
.about-images img { border-radius: var(--radius); }

/* Services */
.services { padding: 100px 0; background: var(--black-soft); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(242,183,5,0.15);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: var(--gold); }
.service-icon { font-size: 30px; margin-bottom: 14px; }
.service-card h3 { font-size: 18px; }
.service-card p { color: var(--gray); font-size: 14px; margin: 0; }

/* Gallery */
.gallery { padding: 100px 0; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-grid img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform 0.35s ease, filter 0.35s ease;
  filter: saturate(0.95);
}
.gallery-grid img:hover { transform: scale(1.03); filter: saturate(1.1); }

/* Philosophy */
.philosophy { padding: 100px 0; background: var(--black-soft); }
.philosophy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.pill-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; }
.pill-list li {
  background: rgba(242,183,5,0.1);
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
}
.check-list { list-style: none; padding: 0; }
.check-list li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.08); color: var(--gray); }
.check-list li::before { content: "✓ "; color: var(--gold); font-weight: 700; }
.quote { margin-top: 24px; font-style: italic; font-size: 18px; color: var(--gold-soft); }

/* Contact */
.contact { padding: 100px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-tagline { color: var(--gold); margin-top: -10px; margin-bottom: 24px; }
.contact-list { list-style: none; padding: 0; }
.contact-list li { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.contact-icon { font-size: 22px; }
.contact-list strong { display: block; font-size: 13px; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; }
.contact-list a, .contact-list span { color: var(--white); font-size: 16px; }
.contact-list a:hover { color: var(--gold); }

.contact-form {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(242,183,5,0.15);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: var(--black-soft);
  color: var(--white);
  font-family: inherit;
  font-size: 15px;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--gold); }
.form-note { color: var(--gold-soft); font-size: 14px; min-height: 18px; }

/* Footer */
.site-footer { padding: 32px 0; border-top: 1px solid rgba(242,183,5,0.1); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-brand img { height: 28px; }
.site-footer p { color: var(--gray); font-size: 14px; margin: 0; }

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  z-index: 90;
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ZinCo page */
.zinco-hero {
  position: relative;
  padding: 160px 0 90px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(118,178,49,0.18), transparent 60%), var(--black);
  border-bottom: 1px solid rgba(242,183,5,0.1);
}
.zinco-hero-content { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.zinco-badge {
  display: inline-flex; align-items: center; gap: 4px;
  background: #fff; color: #76b231; font-weight: 700;
  padding: 8px 18px; border-radius: 8px; font-size: 18px;
  margin-bottom: 22px; letter-spacing: 0.5px;
}
.zinco-badge-z { font-size: 22px; font-weight: 800; }
.zinco-hero h1 { font-size: 46px; margin-bottom: 16px; }
.zinco-hero p { color: var(--gray); font-size: 17px; margin-bottom: 30px; }

.zinco-section { padding: 90px 0; }
.zinco-section.alt { background: var(--black-soft); }
.zinco-section .lead { color: var(--gray); max-width: 760px; margin: 0 auto 36px; font-size: 15px; }
.center { text-align: center; }
.note { color: var(--gray); font-size: 14px; margin-top: 36px; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.benefit-card {
  background: rgba(118,178,49,0.07);
  border: 1px solid rgba(118,178,49,0.3);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
}
.benefit-icon { font-size: 28px; margin-bottom: 12px; }
.benefit-card h3 { font-size: 15px; margin: 0; color: var(--white); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

.buildup-list { padding-left: 20px; color: var(--gray); }
.buildup-list li { margin-bottom: 14px; }
.buildup-list.numbered { list-style: none; padding-left: 0; counter-reset: none; }
.buildup-list.numbered li {
  background: rgba(118,178,49,0.08);
  border-left: 3px solid #76b231;
  padding: 10px 16px;
  border-radius: 6px;
  color: var(--white);
}

.buildup-image img, .single-image img {
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
}
.single-image { max-width: 980px; margin: 0 auto; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.product-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(118,178,49,0.25);
  border-radius: var(--radius);
  padding: 18px;
  text-align: left;
}
.product-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 14px;
  background: #fff;
}
.product-card h3 { font-size: 16px; margin-bottom: 8px; }
.product-card p { font-size: 13px; color: var(--gray); margin: 0; }

.notes-section .download-card {
  background: rgba(118,178,49,0.08);
  border: 1px solid #76b231;
  border-radius: var(--radius);
  padding: 36px 30px;
  text-align: center;
}
.download-icon { font-size: 38px; margin-bottom: 12px; }
.download-card p { color: var(--gray); font-size: 14px; margin-bottom: 22px; }

.zinco-cta {
  padding: 90px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--black) 0%, var(--black-soft) 100%);
}
.zinco-cta h2 { font-size: 30px; }
.zinco-cta p { color: var(--gray); margin-bottom: 28px; }

/* Responsive */
@media (max-width: 900px) {
  .about-grid, .philosophy-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .two-col.reverse { direction: ltr; }
}
@media (max-width: 720px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--black-soft);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(242,183,5,0.15);
  }
  .main-nav.open { display: flex; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 36px; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .zinco-hero h1 { font-size: 32px; }
}