/* ============================================
   ABSTRO Giant Nigeria Limited
   Corporate Website Stylesheet
   ============================================ */

:root {
  --abstro-orange: #E85D33;
  --abstro-orange-dark: #D14E28;
  --abstro-dark: #28313D;
  --whatsapp: #25D366;
  --abstro-dark-light: #3A4554;
  --abstro-cream: #F7F4EE;
  --abstro-cream-dark: #EDE9E2;
  --white: #FFFFFF;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-300: #D4D4D4;
  --gray-400: #A3A3A3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  
  --font-primary: 'Inter', 'Manrope', 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-primary);
  color: var(--abstro-dark);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  animation: pageFadeIn 0.6s var(--ease-smooth) both;
}
@keyframes pageFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--abstro-dark);
}
h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p { font-size: 1.05rem; color: var(--gray-600); line-height: 1.7; }

.section-label {
  font-size: 0.875rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--abstro-orange);
  margin-bottom: 1rem; display: inline-block;
}
.section-number {
  font-size: 5rem; font-weight: 800; color: var(--abstro-orange);
  opacity: 0.15; line-height: 1; position: absolute;
  top: -1rem; left: -1rem; z-index: 0; pointer-events: none;
}

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
@media (min-width: 768px) { .container { padding: 0 2rem; } }
@media (min-width: 1024px) { .container { padding: 0 3rem; } }

/* Top contact bar */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1002;
  background: #1a2129; color: rgba(255,255,255,0.85);
  font-size: 0.8rem; font-weight: 500;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 1.25rem; flex-wrap: wrap; min-height: 36px; padding-top: 0.35rem; padding-bottom: 0.35rem;
}
.topbar a { color: rgba(255,255,255,0.85); display: inline-flex; align-items: center; gap: 0.4rem; }
.topbar a:hover { color: var(--abstro-orange); }
.topbar-note { margin-right: auto; color: rgba(255,255,255,0.45); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; }
@media (max-width: 767px) {
  .topbar-note { display: none; }
  .topbar-inner { justify-content: center; gap: 0.85rem; }
}

/* Navigation */
.nav {
  position: fixed; top: 36px; left: 0; right: 0; z-index: 1000;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
  padding: 1.25rem 0;
}
.nav.scrolled { background: var(--white); box-shadow: var(--shadow-md); padding: 0.75rem 0; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }

.nav-logo {
  display: flex; align-items: center; gap: 0.75rem;
  font-weight: 700; font-size: 1.25rem; color: var(--white);
  transition: color var(--transition-base);
}
.nav-logo img {
  height: 46px; width: auto; display: block; border-radius: 6px;
  transition: transform var(--transition-fast);
}
.nav-logo:hover img { transform: scale(1.05); }
.nav.scrolled .nav-logo { color: var(--abstro-dark); }
.nav-logo-icon {
  width: 40px; height: 40px; background: var(--abstro-orange);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--white); font-weight: 800; font-size: 1.1rem; flex-shrink: 0;
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-main { font-size: 1.1rem; letter-spacing: 0.02em; }
.nav-logo-sub {
  font-size: 0.65rem; font-weight: 600; color: var(--abstro-orange);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.nav-links { display: none; align-items: center; gap: 2.5rem; }
.nav-link {
  font-size: 0.9rem; font-weight: 500; color: var(--white); opacity: 0.9;
  transition: opacity var(--transition-fast), color var(--transition-base);
  position: relative;
}
.nav.scrolled .nav-link { color: var(--abstro-dark); }
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--abstro-orange);
  transition: width var(--transition-base);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover { opacity: 1; }
.nav-cta {
  display: none; background: var(--abstro-orange); color: var(--white);
  padding: 0.6rem 1.5rem; border-radius: 4px; font-size: 0.875rem;
  font-weight: 600; transition: background var(--transition-fast), transform var(--transition-fast);
}
.nav-cta:hover { background: var(--abstro-orange-dark); transform: translateY(-1px); }

.nav-toggle { display: flex; flex-direction: column; gap: 5px; padding: 0.5rem; z-index: 1001; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); transition: all var(--transition-base); }
.nav.scrolled .nav-toggle span { background: var(--abstro-dark); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); background: var(--abstro-dark); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); background: var(--abstro-dark); }

.nav-mobile {
  position: fixed; top: 0; right: -100%; width: 80%; max-width: 400px;
  height: 100vh; background: var(--white); padding: 6rem 2rem 2rem;
  transition: right var(--transition-slow); z-index: 999; box-shadow: var(--shadow-xl);
}
.nav-mobile.open { right: 0; }
.nav-mobile-overlay {
  position: fixed; inset: 0; background: rgba(40, 49, 61, 0.5);
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base); z-index: 998;
}
.nav-mobile-overlay.open { opacity: 1; visibility: visible; }
.nav-mobile-link {
  display: block; padding: 1rem 0; font-size: 1.1rem; font-weight: 600;
  color: var(--abstro-dark); border-bottom: 1px solid var(--gray-200);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.nav-mobile-link:hover, .nav-mobile-link.active { color: var(--abstro-orange); padding-left: 0.5rem; }
.nav-mobile-cta {
  display: block; margin-top: 2rem; background: var(--abstro-orange);
  color: var(--white); padding: 1rem; text-align: center;
  border-radius: 4px; font-weight: 600; transition: background var(--transition-fast);
}
.nav-mobile-cta:hover { background: var(--abstro-orange-dark); }

@media (min-width: 1024px) { .nav-links, .nav-cta { display: flex; } .nav-toggle { display: none; } }

/* Hero */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--abstro-dark); overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; background: linear-gradient(135deg, var(--abstro-dark) 0%, #1a2129 100%);
  background-size: 200% 200%;
  animation: heroBgDrift 18s ease-in-out infinite;
}
.hero-pattern {
  position: absolute; inset: -10%; opacity: 0.03;
  background-image: 
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: patternDrift 50s linear infinite;
}
@keyframes heroBgDrift {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
}
@keyframes patternDrift {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(60px, 60px, 0); }
}
.hero-content { position: relative; z-index: 2; padding-top: 7.5rem; padding-bottom: 4rem; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }

.hero-label {
  font-size: 0.875rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.15em; color: var(--abstro-orange);
  margin-bottom: 1.5rem; display: inline-block;
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800;
  color: var(--white); line-height: 1.1; margin-bottom: 1.5rem;
}
.hero-title span { color: var(--abstro-orange); }
.hero-desc {
  font-size: 1.1rem; color: rgba(255,255,255,0.7);
  max-width: 500px; margin-bottom: 2.5rem; line-height: 1.7;
}
.hero-buttons { display: flex; flex-wrap: wrap; gap: 1rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem; padding: 0.875rem 2rem; font-size: 0.95rem;
  font-weight: 600; border-radius: 4px;
  transition: all var(--transition-fast); cursor: pointer;
}
.btn-primary {
  background: var(--abstro-orange); color: var(--white);
  border: 2px solid var(--abstro-orange);
}
.btn-primary:hover {
  background: var(--abstro-orange-dark); border-color: var(--abstro-orange-dark);
  transform: translateY(-2px); box-shadow: 0 8px 20px rgba(241, 90, 36, 0.3);
}
.btn:active { transform: translateY(0) scale(0.97); }
.btn-secondary {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.05); }
.btn-dark {
  background: var(--abstro-dark); color: var(--white);
  border: 2px solid var(--abstro-dark);
}
.btn-dark:hover { background: var(--abstro-dark-light); border-color: var(--abstro-dark-light); transform: translateY(-2px); }
.btn-outline-dark {
  background: transparent; color: var(--abstro-dark);
  border: 2px solid var(--abstro-dark);
}
.btn-outline-dark:hover { background: var(--abstro-dark); color: var(--white); }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; perspective: 1000px; }
.hero-image {
  width: 100%; max-width: 600px; border-radius: 8px; box-shadow: var(--shadow-xl);
  position: relative; z-index: 2;
  animation: heroFloat 6s ease-in-out infinite;
  transition: transform 0.4s var(--ease-smooth);
  will-change: transform;
}
.hero-glow {
  position: absolute; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(241,90,36,0.15) 0%, transparent 70%);
  border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%, -50%);
  z-index: 1; pointer-events: none;
  animation: heroGlowPulse 7s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes heroGlowPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.85; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}

/* Sections */
.section { padding: 5rem 0; position: relative; }
@media (min-width: 768px) { .section { padding: 7rem 0; } }
.section-cream { background: var(--abstro-cream); }
.section-dark { background: var(--abstro-dark); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.7); }
.section-header { margin-bottom: 3rem; position: relative; }
.section-header.center { text-align: center; }
.section-header.center .section-number { left: 50%; transform: translateX(-50%); }

/* Intro */
.intro-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 1024px) { .intro-grid { grid-template-columns: 1fr 1fr; gap: 5rem; } }
.intro-statement {
  font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700;
  line-height: 1.3; color: var(--abstro-dark);
}
.intro-statement span { color: var(--abstro-orange); }
.intro-text p { margin-bottom: 1.25rem; }
.intro-divider { width: 60px; height: 3px; background: var(--abstro-orange); margin: 1.5rem 0; }

/* Services */
.services-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
.service-card {
  background: var(--white); border-radius: 4px; overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card-image { width: 100%; height: 240px; object-fit: cover; background: var(--abstro-cream); }
.service-card-content { padding: 2rem; }
.service-number { font-size: 3rem; font-weight: 800; color: var(--abstro-orange); opacity: 0.2; line-height: 1; margin-bottom: 0.5rem; }
.service-card h3 { font-size: 1.35rem; margin-bottom: 0.75rem; }
.service-card p { font-size: 0.95rem; color: var(--gray-600); }
.service-features { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.service-feature {
  font-size: 0.8rem; font-weight: 500; color: var(--abstro-orange);
  background: rgba(241, 90, 36, 0.08); padding: 0.35rem 0.75rem; border-radius: 4px;
}

/* Products */
.products-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .products-grid { grid-template-columns: repeat(3, 1fr); } }
.product-card {
  background: var(--white); border-radius: 4px; overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer; position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.product-card-image { width: 100%; height: 280px; object-fit: contain; background: var(--abstro-cream); padding: 1.5rem; transition: transform var(--transition-base); }
.product-card:hover .product-card-image { transform: scale(1.03); }
.product-card-content { padding: 1.5rem 2rem 2rem; }
.product-card-tag {
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--abstro-orange); margin-bottom: 0.5rem;
}
.product-card h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.product-card p { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 1rem; }
.product-size { display: inline-block; background: var(--abstro-dark); color: var(--white); padding: 0.35rem 1rem; border-radius: 4px; font-size: 0.8rem; font-weight: 600; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(40, 49, 61, 0.8);
  backdrop-filter: blur(4px); z-index: 2000; opacity: 0; visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
  background: var(--white); border-radius: 8px; max-width: 900px;
  width: 100%; max-height: 90vh; overflow-y: auto;
  transform: translateY(30px) scale(0.95);
  transition: transform var(--transition-slow); box-shadow: var(--shadow-xl);
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute; top: 1rem; right: 1rem; width: 40px; height: 40px;
  background: var(--white); border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 1.5rem;
  color: var(--abstro-dark); box-shadow: var(--shadow-md); z-index: 10;
  transition: background var(--transition-fast);
}
.modal-close:hover { background: var(--abstro-cream); }
.modal-grid { display: grid; grid-template-columns: 1fr; }
@media (min-width: 768px) { .modal-grid { grid-template-columns: 1fr 1fr; } }
.modal-image { width: 100%; height: 100%; min-height: 300px; object-fit: contain; background: var(--abstro-cream); padding: 2rem; }
.modal-content { padding: 2.5rem; }
.modal-tag { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--abstro-orange); margin-bottom: 0.5rem; }
.modal h2 { font-size: 1.75rem; margin-bottom: 1rem; }
.modal p { color: var(--gray-600); margin-bottom: 1.5rem; }
.modal-features { margin-bottom: 2rem; }
.modal-feature { display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0; font-size: 0.95rem; color: var(--gray-700); }
.modal-feature::before { content: ''; width: 6px; height: 6px; background: var(--abstro-orange); border-radius: 50%; flex-shrink: 0; }
.modal-size { display: inline-block; background: var(--abstro-cream); color: var(--abstro-dark); padding: 0.5rem 1.25rem; border-radius: 4px; font-size: 0.9rem; font-weight: 600; margin-bottom: 1.5rem; }

/* Why ABSTRO */
.benefits-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .benefits-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .benefits-grid { grid-template-columns: repeat(3, 1fr); } }
.benefit-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px; padding: 2rem;
  transition: background var(--transition-base), border-color var(--transition-base);
}
.benefit-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(241, 90, 36, 0.3); }
.benefit-icon {
  width: 48px; height: 48px; background: var(--abstro-orange);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; color: var(--white); font-size: 1.25rem;
}
.benefit-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; color: var(--white); }
.benefit-card p { font-size: 0.9rem; color: rgba(255,255,255,0.6); }

/* Supply Page */
.supply-categories { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .supply-categories { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .supply-categories { grid-template-columns: repeat(3, 1fr); } }
.supply-category {
  background: var(--white); border-radius: 4px; padding: 2rem;
  border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.supply-category:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.supply-category-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.supply-category-icon {
  width: 48px; height: 48px; background: var(--abstro-cream);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  color: var(--abstro-orange); font-size: 1.25rem; flex-shrink: 0;
}
.supply-category h3 { font-size: 1.1rem; }
.supply-category p { font-size: 0.9rem; color: var(--gray-500); }
.supply-badge {
  display: inline-block; font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0.25rem 0.75rem; border-radius: 4px; margin-top: 1rem;
}
.supply-badge.manufactured { background: rgba(241, 90, 36, 0.1); color: var(--abstro-orange); }
.supply-badge.distributed { background: var(--abstro-cream); color: var(--abstro-dark); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 5rem; } }
.contact-info h2 { margin-bottom: 1.5rem; }
.contact-info p { margin-bottom: 2rem; }
.contact-detail { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.contact-detail-icon {
  width: 44px; height: 44px; background: var(--abstro-cream);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  color: var(--abstro-orange); font-size: 1.1rem; flex-shrink: 0;
}
.contact-detail h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.contact-detail p { font-size: 0.9rem; color: var(--gray-500); margin: 0; }

.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--abstro-dark); margin-bottom: 0.5rem; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.875rem 1rem; font-size: 0.95rem; font-family: inherit;
  border: 1px solid var(--gray-300); border-radius: 4px; background: var(--white);
  color: var(--abstro-dark); transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--abstro-orange);
  box-shadow: 0 0 0 3px rgba(241, 90, 36, 0.1);
}
.form-input.error, .form-select.error, .form-textarea.error { border-color: #dc2626; }
.form-error { font-size: 0.8rem; color: #dc2626; margin-top: 0.35rem; display: none; }
.form-error.visible { display: block; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; padding: 1rem; font-size: 1rem; }
.form-success {
  background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46;
  padding: 1rem; border-radius: 4px; margin-bottom: 1.5rem; display: none;
}
.form-success.visible { display: block; }

/* CTA Section */
.cta-section { background: var(--abstro-orange); padding: 4rem 0; text-align: center; }
.cta-section h2 { color: var(--white); font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 1rem; }
.cta-section p { color: rgba(255,255,255,0.9); font-size: 1.1rem; margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-section .btn { background: var(--white); color: var(--abstro-orange); border-color: var(--white); }
.cta-section .btn:hover { background: var(--abstro-cream); border-color: var(--abstro-cream); }

/* Footer */
.footer { background: var(--abstro-dark); color: var(--white); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; margin-bottom: 3rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand { max-width: 300px; }
.footer-brand-name { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.25rem; display: flex; align-items: center; gap: 0.75rem; }
.footer-brand-sub { font-size: 0.75rem; font-weight: 600; color: var(--abstro-orange); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.6; }
.footer-title { font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--white); margin-bottom: 1.25rem; }
.footer-links li { margin-bottom: 0.75rem; }
.footer-links a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--abstro-orange); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 2rem; display: flex; flex-direction: column; gap: 1rem; align-items: center; }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
.footer-copyright { font-size: 0.85rem; color: rgba(255,255,255,0.5); }

/* About Page */
.about-hero { background: var(--abstro-dark); padding: 10rem 0 5rem; text-align: center; }
.about-hero h1 { color: var(--white); margin-bottom: 1rem; }
.about-hero p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto; }
.pillars-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 3rem; }
@media (min-width: 768px) { .pillars-grid { grid-template-columns: repeat(3, 1fr); } }
.pillar-card {
  background: var(--white); border-radius: 4px; padding: 2.5rem;
  border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.pillar-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pillar-number { font-size: 3rem; font-weight: 800; color: var(--abstro-orange); opacity: 0.2; line-height: 1; margin-bottom: 0.5rem; }
.pillar-card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
.pillar-card p { font-size: 0.95rem; }

/* Scroll Reveal */
.reveal {
  opacity: 0; transform: translateY(28px) scale(0.985);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: translateY(0) scale(1); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Back to Top */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; width: 48px; height: 48px;
  background: var(--abstro-orange); color: var(--white); border-radius: 4px;
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
  box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-fast);
  z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); background: var(--abstro-orange-dark); }

/* Page Header */
.page-header {
  background: var(--abstro-dark); padding: 11rem 0 4.5rem; text-align: center;
  background-size: 110% auto; background-position: center; position: relative;
  overflow: hidden;
  animation: pageHeaderKenBurns 16s ease-in-out infinite alternate;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(26,33,41,0.72) 0%, rgba(26,33,41,0.88) 100%);
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 {
  color: var(--white); margin-bottom: 0.75rem;
  animation: heroFadeUp 0.8s var(--ease-smooth) both 0.1s;
}
.page-header p {
  color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto;
  animation: heroFadeUp 0.8s var(--ease-smooth) both 0.25s;
}
@keyframes pageHeaderKenBurns {
  from { background-size: 108% auto; }
  to { background-size: 118% auto; }
}
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.page-header-about { background-image: url('../images/process/factory-exterior.jpg'); }
.page-header-services { background-image: url('../images/process/factory-production.jpg'); }
.page-header-products { background-image: url('../images/general/hero-products.png'); }
.page-header-supply { background-image: url('../images/process/materials-yard.jpg'); }
.page-header-contact { background-image: url('../images/process/warehouse-loading.jpg'); }

/* Stats */
.stats-bar { background: var(--abstro-dark); padding: 3.5rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; text-align: center; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-value {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--abstro-orange);
  line-height: 1.1; margin-bottom: 0.35rem;
}
.stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.7); font-weight: 500; }
.stat-note { font-size: 0.7rem; color: rgba(255,255,255,0.35); margin-top: 0.35rem; text-transform: uppercase; letter-spacing: 0.06em; }

/* Process / applications */
.media-split { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center; }
@media (min-width: 900px) { .media-split { grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; } }
.media-split.reverse { direction: ltr; }
@media (min-width: 900px) {
  .media-split.reverse { grid-template-columns: 0.9fr 1.1fr; }
  .media-split.reverse .media-split-copy { order: -1; }
}
.media-split img {
  width: 100%; height: 340px; object-fit: cover; border-radius: 8px; box-shadow: var(--shadow-lg);
}
.process-cards { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .process-cards { grid-template-columns: repeat(3, 1fr); } }
.process-card {
  background: var(--white); border-radius: 8px; overflow: hidden;
  border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.process-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.process-card img { width: 100%; height: 200px; object-fit: cover; }
.process-card-body { padding: 1.5rem; }
.process-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.process-card p { font-size: 0.9rem; }

/* Timeline */
.timeline { position: relative; max-width: 760px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 18px; top: 0; bottom: 0; width: 2px;
  background: var(--abstro-cream-dark);
}
@media (min-width: 768px) {
  .timeline::before { left: 50%; transform: translateX(-50%); }
}
.timeline-item { position: relative; padding-left: 3.5rem; margin-bottom: 2.5rem; }
@media (min-width: 768px) {
  .timeline-item { width: 50%; padding-left: 0; padding-right: 2.5rem; }
  .timeline-item:nth-child(even) { margin-left: 50%; padding-right: 0; padding-left: 2.5rem; }
}
.timeline-dot {
  position: absolute; left: 10px; top: 4px; width: 18px; height: 18px;
  background: var(--abstro-orange); border: 3px solid var(--white);
  box-shadow: 0 0 0 3px rgba(232,93,51,0.25); border-radius: 50%;
}
@media (min-width: 768px) {
  .timeline-item .timeline-dot { left: auto; right: -9px; }
  .timeline-item:nth-child(even) .timeline-dot { left: -9px; right: auto; }
}
.timeline-year { font-size: 0.8rem; font-weight: 700; color: var(--abstro-orange); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.35rem; }
.timeline-item h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
.timeline-item p { font-size: 0.95rem; }

/* Specs */
.specs-table { width: 100%; border-collapse: collapse; margin: 1.25rem 0 1.5rem; }
.specs-table th, .specs-table td {
  text-align: left; padding: 0.65rem 0.75rem; font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-200);
}
.specs-table th { color: var(--gray-500); font-weight: 600; width: 42%; }
.specs-table td { color: var(--abstro-dark); font-weight: 500; }
.dummy-badge {
  display: inline-block; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--abstro-orange);
  background: rgba(232,93,51,0.1); padding: 0.2rem 0.5rem; border-radius: 4px; margin-left: 0.35rem;
}

/* Gallery */
.gallery-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
.gallery-item {
  position: relative; border-radius: 8px; overflow: hidden; min-height: 260px;
  box-shadow: var(--shadow-md);
}
.gallery-item img { width: 100%; height: 280px; object-fit: cover; display: block; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 2.5rem 1.25rem 1.25rem;
  background: linear-gradient(transparent, rgba(26,33,41,0.92));
  color: var(--white);
}
.gallery-caption span { font-size: 0.75rem; font-weight: 600; color: var(--abstro-orange); text-transform: uppercase; letter-spacing: 0.08em; }
.gallery-caption h3 { font-size: 1.1rem; color: var(--white); margin: 0.25rem 0; }
.gallery-caption p { font-size: 0.85rem; color: rgba(255,255,255,0.75); margin: 0; }

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--white); border: 1px solid var(--gray-200); border-radius: 8px;
  margin-bottom: 0.75rem; overflow: hidden;
}
.faq-question {
  width: 100%; text-align: left; padding: 1.15rem 1.25rem;
  font-size: 1rem; font-weight: 600; color: var(--abstro-dark);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-question span { color: var(--abstro-orange); font-size: 1.35rem; line-height: 1; }
.faq-item.open .faq-question { color: var(--abstro-orange); }
.faq-answer { display: none; padding: 0 1.25rem 1.15rem; }
.faq-item.open .faq-answer { display: block; }
.faq-answer p { font-size: 0.95rem; margin: 0; }

/* Map + contact extras */
.contact-map-wrap {
  margin-top: 3rem; border-radius: 8px; overflow: hidden;
  box-shadow: var(--shadow-md); border: 1px solid var(--gray-200); min-height: 360px;
}
.contact-map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0 2rem; }
.btn-whatsapp {
  background: var(--whatsapp); color: var(--white); border: 2px solid var(--whatsapp);
}
.btn-whatsapp:hover { filter: brightness(0.92); color: var(--white); }
.btn-phone {
  background: var(--abstro-dark); color: var(--white); border: 2px solid var(--abstro-dark);
}
.form-row { display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; gap: 1rem; }
}

.whatsapp-float {
  position: fixed; bottom: 2rem; left: 2rem; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--whatsapp); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast);
}
.whatsapp-float:hover { transform: scale(1.06); color: var(--white); }
.whatsapp-float svg { width: 30px; height: 30px; fill: currentColor; }

.footer-logo { height: 52px; width: auto; border-radius: 6px; margin-bottom: 0.85rem;}
.footer-social { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }
.footer-social a { color: rgba(255,255,255,0.7); font-size: 0.85rem; }
.footer-social a:hover { color: var(--abstro-orange); }

.supply-category-image { width: 100%; height: 160px; object-fit: cover; border-radius: 6px; margin-bottom: 1rem; }

@media (max-width: 767px) {
  .hero-content { padding-top: 6.5rem; }
  .whatsapp-float { left: 1rem; bottom: 5.5rem; }
}

/* Responsive */
@media (max-width: 767px) {
  .hero-content { padding-top: 5rem; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; }
  .section { padding: 3rem 0; }
  .modal-content { padding: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .hero-bg, .hero-pattern, .hero-image, .hero-glow, .page-header, body { animation: none !important; }
  .hero-visual:hover .hero-image { transform: none !important; }
}