/* ==========================================================================
   ATC - MODERN ARCHITECTURE (2026 PROPORTIONAL EDITION)
   ========================================================================== */

:root {
  --c-dark: #0A1128;
  --c-primary: #12355B;
  --c-accent: #FF5A09;
  --c-light: #F8F9FA;
  --c-white: #FFFFFF;
  --c-text: #1E293B;
  --c-text-muted: #64748B;
  
  --font-main: 'Plus Jakarta Sans', sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 30px;
  --radius-pill: 100px;
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
  --shadow-float: 0 30px 60px -10px rgba(10, 17, 40, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background-color: var(--c-light);
  color: var(--c-text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { color: var(--c-dark); font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; }
p { color: var(--c-text-muted); font-weight: 400; }
a { text-decoration: none; color: inherit; transition: color 0.3s var(--ease-smooth); }

/* ==========================================================================
   NAVBAR & MOBILE MENU
   ========================================================================== */
.site-header {
  position: fixed; top: 20px; left: 0; width: 100%;
  z-index: 9999; display: flex; justify-content: center;
  pointer-events: none;
}

.nav-container {
  pointer-events: auto;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  padding: 10px 20px; border-radius: var(--radius-pill);
  width: 95%; max-width: 1200px;
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.08);
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
}

.brand-logo img { height: 40px; display: block; }

.menu-toggle { display: none; font-size: 1.5rem; color: var(--c-dark); cursor: pointer; }

.nav-menu {
  display: flex; list-style: none; gap: 30px; align-items: center;
}

.nav-menu a {
  font-weight: 600; font-size: 0.9rem; color: var(--c-text);
  text-transform: uppercase; letter-spacing: 0.05em; transition: color 0.3s;
}

.nav-menu a:hover { color: var(--c-accent); }

.btn-cta {
  background: var(--c-dark); color: var(--c-white);
  padding: 12px 25px; border-radius: var(--radius-pill);
  font-weight: 700; font-size: 0.9rem; display: inline-flex;
  align-items: center; gap: 10px; transition: all 0.4s var(--ease-spring);
}
.btn-cta:hover { background: var(--c-accent); transform: translateY(-3px); box-shadow: 0 15px 25px rgba(255, 90, 9, 0.2); }

/* ==========================================================================
   HERO SECTION (Proportional)
   ========================================================================== */
.hero-split {
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 90vh; background: var(--c-white);
  margin-bottom: 80px;
}

.hero-content-wrap {
  display: flex; flex-direction: column; justify-content: center;
  padding: 150px 10% 100px 15%;
}

.badge {
  display: inline-block; padding: 6px 14px;
  background: rgba(255, 90, 9, 0.1); color: var(--c-accent);
  border-radius: var(--radius-pill); font-weight: 700; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 25px;
  align-self: flex-start;
}

.hero-split h1 { font-size: 3.5rem; margin-bottom: 25px; }
.hero-split p { font-size: 1.15rem; margin-bottom: 40px; max-width: 450px; }

.hero-media { position: relative; overflow: hidden; border-bottom-left-radius: 60px; }
.hero-media video { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,0.3), transparent); }

/* ==========================================================================
   BENTO GRID (Responsive)
   ========================================================================== */
.section { padding: 100px 5%; max-width: 1400px; margin: 0 auto; }

.section-header { margin-bottom: 60px; display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 20px;}
.section-header h2 { font-size: 2.8rem; max-width: 500px; }
.section-header p { font-size: 1.1rem; max-width: 400px; }

.bento-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.bento-item {
  background: var(--c-white); border-radius: var(--radius-lg);
  padding: 40px; position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: transform 0.5s var(--ease-spring), box-shadow 0.5s;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03); border: 1px solid rgba(0,0,0,0.03);
  min-height: 320px;
}

.bento-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-float); z-index: 10; }

.span-2 { grid-column: span 2; }
.bg-dark { background: var(--c-dark); color: var(--c-white); }
.bg-dark h3 { color: var(--c-white); }
.bg-dark p { color: rgba(255,255,255,0.8); }

.bento-icon { font-size: 2.5rem; color: var(--c-accent); margin-bottom: 20px; }
.bento-item h3 { font-size: 1.8rem; margin-bottom: 15px; }

/* ==========================================================================
   CATALOG GRID
   ========================================================================== */
.catalog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.catalog-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  height: 350px; display: block;
}
.catalog-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-smooth); }
.catalog-card:hover img { transform: scale(1.08); }

.catalog-overlay {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(10, 17, 40, 0.95) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 35px;
}
.catalog-overlay h3 { color: var(--c-white); font-size: 1.5rem; margin-bottom: 5px; }
.catalog-overlay p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }

/* ==========================================================================
   MODERN FOOTER
   ========================================================================== */
.site-footer {
  background: var(--c-white); padding: 100px 5% 40px;
  border-top: 1px solid rgba(0,0,0,0.05); margin-top: 100px;
}
.footer-container { max-width: 1400px; margin: 0 auto; }

.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 50px; margin-bottom: 80px;
}

.footer-brand .f-logo { height: 45px; margin-bottom: 25px; }
.footer-brand p { font-size: 1rem; max-width: 400px; }

.footer-col h4 { font-size: 1.1rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 25px; color: var(--c-dark); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: var(--c-text-muted); font-weight: 500; font-size: 0.95rem; }
.footer-col ul li a:hover { color: var(--c-accent); padding-left: 5px; }

.office-card {
  background: var(--c-light); padding: 15px 20px; border-radius: var(--radius-md);
  margin-bottom: 15px; display: flex; flex-direction: column;
}
.office-card strong { color: var(--c-dark); font-size: 0.95rem; margin-bottom: 3px; }
.office-card span { font-size: 0.85rem; color: var(--c-text-muted); }

.newsletter-box {
  background: var(--c-dark); padding: 30px; border-radius: var(--radius-lg);
  color: white; text-align: center;
}
.newsletter-box h4 { color: white; margin-bottom: 10px; }
.newsletter-box p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 20px; }
.newsletter-box input { width: 100%; padding: 12px; border-radius: 8px; border: none; margin-bottom: 10px; }
.newsletter-box button { width: 100%; padding: 12px; border-radius: 8px; background: var(--c-accent); color: white; border: none; font-weight: 700; cursor: pointer; }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 30px; border-top: 1px solid rgba(0,0,0,0.05); font-size: 0.85rem;
}

/* Float btn */
.wa-float {
  position: fixed; bottom: 30px; right: 30px;
  width: 60px; height: 60px; background: #25D366; color: white;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 30px; box-shadow: 0 10px 20px rgba(37,211,102,0.3); z-index: 1000;
}

/* ==========================================================================
   MODAL & TOAST NOTIFICATIONS
   ========================================================================== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(10, 17, 40, 0.8); backdrop-filter: blur(8px);
  z-index: 10000; display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all 0.4s var(--ease-spring);
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-content {
  background: var(--c-white); border-radius: var(--radius-lg); width: 90%; max-width: 600px;
  padding: 50px; position: relative; transform: translateY(50px) scale(0.95);
  transition: all 0.4s var(--ease-spring); box-shadow: 0 40px 80px rgba(0,0,0,0.2);
}
.modal-overlay.active .modal-content { transform: translateY(0) scale(1); }

.modal-close {
  position: absolute; top: 25px; right: 25px; font-size: 1.5rem; color: var(--c-text-muted);
  cursor: pointer; transition: color 0.3s;
}
.modal-close:hover { color: var(--c-accent); }

.modal-title { font-size: 2rem; margin-bottom: 10px; }
.modal-desc { color: var(--c-text-muted); margin-bottom: 30px; font-size: 1rem; }

.form-group { margin-bottom: 20px; }
.form-label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; color: var(--c-dark); }
.form-control {
  width: 100%; padding: 15px 20px; border-radius: 12px; border: 1px solid rgba(0,0,0,0.1);
  font-family: inherit; font-size: 1rem; background: var(--c-light); transition: all 0.3s;
}
.form-control:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 4px rgba(255, 90, 9, 0.1); background: white; }

.radio-group { display: flex; gap: 20px; }
.radio-label { display: flex; align-items: center; gap: 8px; font-size: 0.95rem; cursor: pointer; }

/* Toast Notifications */
.toast-container {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
  z-index: 10001; display: flex; flex-direction: column; gap: 10px;
}
.toast {
  padding: 16px 24px; border-radius: var(--radius-pill); font-weight: 600; font-size: 0.95rem;
  display: flex; align-items: center; gap: 12px; color: white;
  animation: toastSlideUp 0.5s var(--ease-spring) forwards; box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.toast.success { background: #10B981; }
.toast.error { background: #EF4444; }

@keyframes toastSlideUp {
  0% { transform: translateY(100px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   DEMO CREDIT BANNER
   ========================================================================== */
.demo-credit {
  margin-top: 40px;
  padding: 20px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #0A1128, #12355B, #FF5A09, #12355B, #0A1128);
  background-size: 300% 100%;
  animation: gradientShift 5s ease infinite;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.demo-credit::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: var(--radius-pill);
  background: var(--c-dark);
  z-index: 0;
}

.demo-credit-inner {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center; gap: 15px;
  flex-wrap: wrap;
}

.demo-credit-text {
  background: linear-gradient(90deg, #fff 0%, #FF5A09 40%, #fff 80%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textShimmer 3s ease infinite;
  font-weight: 600; font-size: 0.95rem; letter-spacing: 0.03em;
}

.demo-credit-icon {
  color: var(--c-accent);
  font-size: 1rem;
  animation: pulse 2s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes textShimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* ==========================================================================
   DEMO POPUP
   ========================================================================== */
.demo-popup-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 99999;
  background: rgba(5, 10, 25, 0.92);
  backdrop-filter: blur(16px);
  align-items: center; justify-content: center;
  animation: popupFadeIn 0.7s var(--ease-spring) forwards;
}

.demo-popup-box {
  position: relative;
  width: 90%; max-width: 520px;
  background: #0A1128;
  border-radius: 28px;
  border: 1px solid rgba(255, 90, 9, 0.3);
  overflow: hidden;
  box-shadow: 0 0 80px rgba(255, 90, 9, 0.2), 0 40px 80px rgba(0,0,0,0.5);
  animation: popupSlideUp 0.7s var(--ease-spring) forwards;
}

.demo-popup-glow {
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255, 90, 9, 0.35) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

.demo-popup-content {
  position: relative; z-index: 1;
  padding: 50px 40px; text-align: center;
}

.demo-popup-badge {
  display: inline-block;
  background: linear-gradient(135deg, #FF5A09, #ff8a50);
  color: white; font-weight: 800; font-size: 0.75rem;
  letter-spacing: 0.2em; padding: 5px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 25px;
  box-shadow: 0 0 20px rgba(255, 90, 9, 0.5);
}

.demo-popup-logo {
  font-size: 4rem; color: var(--c-accent);
  margin-bottom: 20px;
  filter: drop-shadow(0 0 20px rgba(255, 90, 9, 0.6));
  animation: pulse 3s ease infinite;
}

.demo-popup-title {
  color: white; font-size: 2rem; line-height: 1.3;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.demo-popup-sub {
  color: rgba(255,255,255,0.75); font-size: 1rem; line-height: 1.7;
  margin-bottom: 20px;
}

.demo-popup-sub strong { color: var(--c-accent); -webkit-text-fill-color: var(--c-accent); }

.demo-popup-divider {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
  margin: 0 auto 20px;
}

.demo-popup-note {
  color: rgba(255,255,255,0.45); font-size: 0.85rem; line-height: 1.6; margin-bottom: 35px;
}

.demo-popup-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #FF5A09, #ff7733);
  color: white; font-family: inherit; font-weight: 700; font-size: 1rem;
  padding: 16px 40px; border: none; border-radius: var(--radius-pill);
  cursor: pointer; transition: all 0.3s var(--ease-spring);
  box-shadow: 0 10px 30px rgba(255, 90, 9, 0.4);
}

.demo-popup-btn:hover {
  transform: translateY(-3px); 
  box-shadow: 0 20px 40px rgba(255, 90, 9, 0.5);
}

@keyframes popupFadeIn {
  from { opacity: 0; } to { opacity: 1; }
}

@keyframes popupFadeOut {
  from { opacity: 1; } to { opacity: 0; }
}

@keyframes popupSlideUp {
  from { transform: translateY(60px) scale(0.95); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

/* ==========================================================================
   PAGE RESPONSIVE GRIDS
   ========================================================================== */
.page-header { background: var(--c-dark); color: white; padding: 200px 10% 100px; border-bottom-left-radius: 80px; margin-bottom: 80px; position: relative; overflow: hidden; }
.hero-country { position: relative; height: 60vh; min-height: 500px; margin-bottom: 80px; display: flex; align-items: flex-end; padding: 10%; }
.dynamic-title { font-size: 5rem; color: white; margin-bottom: 10px; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.page-grid-sidebar { display: grid; grid-template-columns: 300px 1fr; gap: 60px; }
.page-grid-half { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.page-grid-content { display: grid; grid-template-columns: 2fr 1fr; gap: 60px; }
.stats-flex { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.stats-item { text-align: center; margin-bottom: 20px; flex: 1; min-width: 200px; }

/* ==========================================================================
   MOBILE RESPONSIVENESS & HAMBURGER
   ========================================================================== */
@media (max-width: 1200px) {
  .hero-split h1 { font-size: 3rem; }
  .bento-grid { grid-template-columns: 1fr 1fr; }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-header { top: 10px; }
  .nav-container { flex-wrap: wrap; border-radius: 15px; padding: 15px; width: 95%; background: rgba(255,255,255,0.98); }
  
  .menu-toggle { display: block; }
  
  .nav-menu {
    display: none; width: 100%; flex-direction: column; gap: 15px; padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.05); margin-top: 15px;
  }
  
  .nav-menu.active { display: flex; }
  
  .nav-actions { display: none; } /* Hide button on mobile menu to save space, or move inside menu */

  .hero-split { grid-template-columns: 1fr; min-height: auto; margin-bottom: 40px; }
  .hero-content-wrap { padding: 120px 5% 60px; text-align: center; align-items: center; }
  .hero-split h1 { font-size: 2.5rem; }
  .hero-media { height: 300px; border-bottom-left-radius: 30px; }
  
  .page-header { padding: 120px 5% 60px; border-bottom-left-radius: 40px; margin-bottom: 40px; }
  .hero-country { padding: 120px 5% 40px; min-height: 350px; height: auto; margin-bottom: 40px; }
  .dynamic-title { font-size: 2.5rem; line-height: 1.2; }
  .process-grid { grid-template-columns: 1fr; gap: 12px; }
  
  .section { padding: 60px 5%; }
  .bento-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  
  .page-grid-sidebar, .page-grid-half, .page-grid-content, .contact-2col { grid-template-columns: 1fr; gap: 30px; }
  .stats-flex { justify-content: center; }
  
  .catalog-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }

  /* Page heading sizes on mobile */
  .page-header h1 { font-size: 2.8rem !important; }
  .page-header p { font-size: 1rem !important; }
  .section-header h2 { font-size: 1.8rem !important; }

  /* Modal padding on mobile */
  .modal-content { padding: 30px 20px; border-radius: var(--radius-md); width: 95%; }
  .modal-title { font-size: 1.5rem; }

  /* Footer working hours fix */
  .newsletter-box { padding: 20px !important; }
}