@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #1a6cf6;
  --primary-glow: #3d8bff;
  --primary-dark: #0f4ab3;
  --dark-bg: #0d1117;
  --surface: #161b22;
  --surface-2: #21262d;
  --border: rgba(48,54,61,0.8);
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent-teal: #2ea84360;
  --accent-green: #39d353;
  --accent-amber: #f0b429;
  --accent-red: #f85149;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(26,108,246,0.15);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--dark-bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }

/* ─── Utility ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--primary); background: rgba(26,108,246,0.1);
  border: 1px solid rgba(26,108,246,0.3); border-radius: 50px;
  padding: 6px 16px; margin-bottom: 20px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 16px;
  background: linear-gradient(135deg, #e6edf3 0%, #8b949e 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-subtitle { font-size: 1.1rem; color: var(--text-muted); max-width: 560px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; border: none; text-decoration: none; transition: all 0.3s ease;
  position: relative; overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; box-shadow: 0 4px 20px rgba(26,108,246,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px); box-shadow: 0 8px 30px rgba(26,108,246,0.55);
  background: linear-gradient(135deg, var(--primary-glow), var(--primary));
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--surface); border-color: var(--primary);
  color: var(--primary); transform: translateY(-2px);
}
.btn-sm { padding: 10px 20px; font-size: 13px; }

/* ─── Navbar ─── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  background: rgba(13,17,23,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
#navbar.scrolled {
  border-bottom-color: var(--border);
  background: rgba(13,17,23,0.95);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { position: relative; width: 180px; height: 40px; }
.nav-logo img { position: absolute; top: 50%; left: -45px; transform: translateY(-50%); height: 260px; width: auto; display: block; }

.nav-links {
  display: flex; align-items: center; gap: 8px; list-style: none;
}
.nav-links a {
  color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: 8px; transition: all 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-cta { margin-left: 16px; }
.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px; transition: all 0.3s;
}
.mobile-menu {
  display: none; flex-direction: column; gap: 4px;
  padding: 16px 0; border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--text-muted); text-decoration: none; font-size: 15px; font-weight: 500;
  padding: 12px 0; border-bottom: 1px solid rgba(48,54,61,0.4); transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--primary); }

/* ─── Hero ─── */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(26,108,246,0.12) 0%, transparent 70%);
}
#circuit-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.15;
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 50px; padding: 6px 14px; margin-bottom: 24px;
  font-size: 13px; color: var(--text-muted);
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--accent-green); border-radius: 50%; animation: pulse 2s infinite; }
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.1;
  margin-bottom: 24px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--primary) 0%, #38bdf8 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-desc { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 40px; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 32px; margin-top: 48px; padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat-value { font-size: 1.3rem; font-weight: 800; color: var(--primary); }
.hero-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* Hero mockup */
.hero-visual { position: relative; }
.hero-mockup {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
}
.mockup-bar {
  background: var(--surface-2); padding: 12px 16px;
  display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border);
}
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots span {
  width: 10px; height: 10px; border-radius: 50%;
}
.mockup-dots span:nth-child(1) { background: var(--accent-red); }
.mockup-dots span:nth-child(2) { background: var(--accent-amber); }
.mockup-dots span:nth-child(3) { background: var(--accent-green); }
.mockup-url {
  flex: 1; background: var(--surface); border-radius: 6px;
  padding: 5px 12px; font-size: 12px; color: var(--text-muted);
  font-family: monospace;
}
.mockup-body { padding: 20px; }

/* Floating widgets */
.float-widget {
  position: absolute; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 18px; box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: float 4s ease-in-out infinite;
}
.float-widget.w1 { top: -20px; right: -20px; animation-delay: 0s; }
.float-widget.w2 { bottom: 40px; left: -30px; animation-delay: 2s; }
.widget-title { font-size: 11px; color: var(--text-muted); margin-bottom: 8px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.widget-value { font-size: 1.6rem; font-weight: 800; color: var(--accent-green); }
.widget-sub { font-size: 11px; color: var(--text-muted); }
.widget-bar { display: flex; gap: 3px; margin-top: 8px; align-items: flex-end; height: 32px; }
.widget-bar-item { flex: 1; background: var(--primary); border-radius: 2px; opacity: 0.7; }

/* ─── Services ─── */
#services { background: var(--surface); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 60px;
}
.service-card {
  background: var(--dark-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: all 0.3s ease; cursor: default;
}
.service-card:hover {
  border-color: var(--primary); transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(26,108,246,0.15);
}
.service-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
  background: rgba(26,108,246,0.12); border: 1px solid rgba(26,108,246,0.2);
}
.service-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ─── Demos 3D Carousel ─── */
#demos { background: var(--dark-bg); overflow: hidden; padding-bottom: 100px; }
.demos-header { text-align: center; margin-bottom: 40px; }
.demos-header .section-subtitle { margin: 0 auto; }

.carousel-view {
  position: relative;
  width: 100%;
  height: 520px;
  perspective: 1500px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 40px;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.demo-card {
  position: absolute;
  width: 500px;
  height: 480px;
  left: 50%;
  top: 50%;
  margin-left: -250px;
  margin-top: -240px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  backface-visibility: hidden;
  cursor: pointer;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

/* Carousel States */
.demo-card.active {
  transform: translate3d(0, 0, 0) rotateY(0deg);
  opacity: 1;
  z-index: 10;
  border-color: var(--primary);
  box-shadow: 0 30px 70px rgba(26,108,246,0.25);
}

.demo-card.prev {
  transform: translate3d(-350px, 0, -300px) rotateY(45deg);
  opacity: 0.5;
  filter: blur(2px) grayscale(0.5);
  z-index: 5;
}

.demo-card.next {
  transform: translate3d(350px, 0, -300px) rotateY(-45deg);
  opacity: 0.5;
  filter: blur(2px) grayscale(0.5);
  z-index: 5;
}

.demo-card.hidden {
  transform: translate3d(0, 0, -600px);
  opacity: 0;
  pointer-events: none;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(26,108,246,0.1);
  border: 1px solid rgba(26,108,246,0.2);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}
.carousel-nav:hover {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(26,108,246,0.4);
}
.carousel-nav.prev { left: 5%; }
.carousel-nav.next { right: 5%; }

@media (max-width: 992px) {
  .demo-card { width: 400px; margin-left: -200px; }
  .demo-card.prev { transform: translate3d(-200px, 0, -250px) rotateY(35deg); }
  .demo-card.next { transform: translate3d(200px, 0, -250px) rotateY(-35deg); }
}

@media (max-width: 600px) {
  .carousel-view { height: 480px; }
  .demo-card { width: 300px; margin-left: -150px; }
  .demo-card.prev { transform: translate3d(-100px, 0, -200px) rotateY(25deg); opacity: 0.3; }
  .demo-card.next { transform: translate3d(100px, 0, -200px) rotateY(-25deg); opacity: 0.3; }
}

.demo-card-header {
  background: var(--surface-2); padding: 14px 20px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--border);
}
.demo-dots { display: flex; gap: 5px; }
.demo-dots span { width: 9px; height: 9px; border-radius: 50%; }
.demo-dots span:nth-child(1) { background: var(--accent-red); }
.demo-dots span:nth-child(2) { background: var(--accent-amber); }
.demo-dots span:nth-child(3) { background: var(--accent-green); }
.demo-url {
  flex: 1; background: var(--surface); border-radius: 5px;
  padding: 4px 10px; font-size: 11px; color: var(--text-muted); font-family: monospace;
}
.demo-body { padding: 0; flex: 1; position: relative; overflow: hidden; }
.demo-preview { width: 100%; height: 320px; border: none; display: block; }
.demo-footer {
  padding: 20px 24px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.demo-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.demo-info p { font-size: 13px; color: var(--text-muted); }
.demo-tag {
  display: inline-block; font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 20px; margin-right: 6px;
  background: rgba(26,108,246,0.15); color: var(--primary); border: 1px solid rgba(26,108,246,0.3);
}

/* Floating data widgets */
.demos-floats { position: relative; margin-top: 50px; }
.float-data {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px;
  display: inline-flex; align-items: center; gap: 14px;
  box-shadow: var(--shadow); margin: 8px;
}
.float-data-icon {
  width: 36px; height: 36px; border-radius: 9px;
  background: rgba(26,108,246,0.12); display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.float-data-label { font-size: 11px; color: var(--text-muted); }
.float-data-val { font-size: 15px; font-weight: 700; }

/* SQL log widget */
.sql-log {
  background: #0a0e14; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px;
  font-family: 'Courier New', monospace; font-size: 11px;
  line-height: 1.6; margin-top: 16px; overflow: hidden;
  position: relative; height: 120px;
}
.sql-log-bar {
  display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
  font-family: 'Inter', sans-serif; font-size: 11px; color: var(--text-muted);
}
.sql-line .kw { color: #79c0ff; }
.sql-line .str { color: #a5d6ff; }
.sql-line .num { color: var(--accent-amber); }
.sql-line .ok { color: var(--accent-green); }
.sql-line .ts { color: var(--text-muted); }
.sql-cursor { display: inline-block; width: 8px; height: 14px; background: var(--primary); animation: blink 1s infinite; vertical-align: middle; }

/* ─── Stats ─── */
#stats { background: var(--surface); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
  background: var(--border); border-radius: var(--radius-lg);
  overflow: hidden; margin-top: 60px;
}
.stat-card {
  background: var(--surface); padding: 40px 32px; text-align: center;
}
.stat-number { font-size: 3rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-plus { color: var(--accent-amber); }
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 8px; }

/* ─── About ─── */
#about { background: var(--dark-bg); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.about-img {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px;
  text-align: center; position: relative;
}
.about-img img { max-width: 100%; }
.tech-stack {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px;
}
.tech-badge {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 14px; font-size: 13px; font-weight: 600;
  color: var(--text-muted); transition: all 0.2s;
}
.tech-badge:hover { border-color: var(--primary); color: var(--primary); }
.about-features { list-style: none; margin-top: 24px; }
.about-features li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid rgba(48,54,61,0.4);
  font-size: 15px; color: var(--text-muted);
}
.about-features li::before { content: '✓'; color: var(--accent-green); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

/* ─── Contact ─── */
#contact { background: var(--surface); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; margin-top: 60px;
}
.contact-info h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 24px; }
.contact-item {
  display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start;
}
.contact-item-icon {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px;
  background: rgba(26,108,246,0.12); border: 1px solid rgba(26,108,246,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.contact-item-label { font-size: 12px; color: var(--text-muted); margin-bottom: 2px; }
.contact-item-val { font-size: 15px; font-weight: 500; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--text-muted); }
.form-control {
  width: 100%; background: var(--dark-bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 13px 16px; font-size: 14px; color: var(--text);
  font-family: 'Inter', sans-serif; transition: all 0.2s; outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,108,246,0.15); }
.form-control::placeholder { color: var(--text-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control { cursor: pointer; }
select.form-control option { background: var(--surface-2); }

.form-success {
  display: none; text-align: center; padding: 32px;
  background: rgba(57,211,83,0.08); border: 1px solid rgba(57,211,83,0.3);
  border-radius: var(--radius-lg);
}
.form-success .icon { font-size: 2.5rem; margin-bottom: 12px; }
.form-success h3 { font-size: 1.2rem; margin-bottom: 8px; }
.form-success p { color: var(--text-muted); font-size: 14px; }

/* ─── Footer ─── */
#footer {
  background: var(--dark-bg); border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 48px; border-bottom: 1px solid var(--border);
}
.footer-brand img { height: 30px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: var(--text-muted); text-decoration: none; font-size: 14px; transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; font-size: 13px; color: var(--text-muted);
}
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); text-decoration: none; font-size: 15px;
  transition: all 0.2s;
}
.social-link:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* ─── Animations ─── */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
@keyframes blink {
  0%, 100% { opacity: 1; } 50% { opacity: 0; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes typing {
  from { width: 0; } to { width: 100%; }
}

.reveal {
  opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .demos-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
/* ─── Demo Modal ─── */
.demo-modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(13,17,23,0.8);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: all 0.4s ease;
  padding: 20px;
}
.demo-modal.open { opacity: 1; pointer-events: auto; }
.demo-modal-content {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); width: 100%; max-width: 1000px;
  height: 80vh; display: flex; flex-direction: column;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
  transform: translateY(20px); transition: transform 0.4s ease;
  position: relative;
  overflow: hidden;
}
.demo-modal.open .demo-modal-content { transform: translateY(0); }
.demo-modal-header {
  background: var(--surface-2); padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border); border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.demo-modal-dots { display: flex; gap: 8px; }
.demo-modal-dots span { width: 12px; height: 12px; border-radius: 50%; }
.demo-modal-dots span:nth-child(1) { background: var(--accent-red); }
.demo-modal-dots span:nth-child(2) { background: var(--accent-amber); }
.demo-modal-dots span:nth-child(3) { background: var(--accent-green); }
.demo-modal-title { font-size: 14px; font-weight: 600; color: var(--text-muted); font-family: monospace; }
.demo-modal-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 24px; cursor: pointer; transition: color 0.2s;
}
.demo-modal-close:hover { color: var(--text); }
.demo-modal-body { flex: 1; overflow-y: auto; padding: 0; background: var(--dark-bg); position: relative; }

/* ─── Simulation Styles ─── */
.sim-container { padding: 40px; }
.sim-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.sim-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; transition: transform 0.2s;
}
.sim-card:hover { transform: translateY(-4px); border-color: var(--primary); }
.sim-card-img {
  height: 140px; background: var(--surface-2); border-radius: 8px;
  margin-bottom: 16px; display: flex; align-items: center; justify-content: center; font-size: 40px;
}
.sim-btn {
  width: 100%; padding: 10px; border-radius: 8px; border: none;
  background: var(--primary); color: #fff; font-weight: 600; cursor: pointer;
  margin-top: 12px; transition: opacity 0.2s;
}
.sim-btn:hover { opacity: 0.9; }
.sim-btn.added { background: var(--accent-green); }

.sim-nav {
  position: sticky; top: 0; background: var(--surface-2);
  padding: 16px 40px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; z-index: 10;
}
.sim-cart-count {
  background: var(--primary); color: #fff; padding: 2px 8px;
  border-radius: 20px; font-size: 12px; font-weight: 700;
}

.sim-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.sim-table th { text-align: left; padding: 12px; border-bottom: 2px solid var(--border); color: var(--text-muted); font-size: 13px; }
.sim-table td { padding: 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
.sim-status { padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.sim-status.ok { background: rgba(57,211,83,0.1); color: var(--accent-green); }
.sim-status.warn { background: rgba(240,180,41,0.1); color: var(--accent-amber); }
.sim-status.crit { background: rgba(248,81,73,0.1); color: var(--accent-red); }

@media (max-width: 768px) {
  .demo-modal-content { height: 95vh; }
  .sim-container { padding: 20px; }
}
/* ─── Simulation Enhancements ─── */
.sim-drawer {
  position: absolute; top: 0; right: -320px; width: 320px; height: 100%;
  background: var(--surface); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 2500; transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 30px rgba(0,0,0,0.3);
}
.sim-drawer.open { right: 0; }
.sim-drawer-header { padding: 20px; background: var(--surface-2); display: flex; justify-content: space-between; align-items: center; }
.sim-drawer-body { flex: 1; overflow-y: auto; padding: 20px; }
.sim-drawer-footer { padding: 20px; border-top: 1px solid var(--border); }

.sim-cart-item {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
  padding-bottom: 16px; border-bottom: 1px solid rgba(48,54,61,0.4);
}
.sim-cart-item .icon { font-size: 24px; background: var(--surface-2); padding: 8px; border-radius: 6px; }

.sim-toast {
  position: absolute; top: 100px; right: 30px; background: var(--accent-green);
  color: #000; padding: 14px 24px; border-radius: 10px; font-weight: 800;
  font-size: 14px; transform: translateX(calc(100% + 50px)); transition: transform 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
  z-index: 3000; box-shadow: 0 15px 40px rgba(57,211,83,0.4);
  pointer-events: none; visibility: hidden;
}
.sim-toast.show { transform: translateX(0); visibility: visible; }

.sim-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.sim-stat-box {
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 16px; border-radius: 12px; text-align: center;
}
.sim-stat-val { font-size: 1.5rem; font-weight: 800; color: var(--primary); display: block; }

.process-steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 30px;
}
.step-card {
  background: var(--surface); border: 1px solid var(--border);
  padding: 40px 30px; border-radius: var(--radius-lg);
  position: relative; transition: all 0.3s ease;
}
.step-card:hover { border-color: var(--primary); transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.step-num {
  font-size: 48px; font-weight: 800; color: rgba(26,108,246,0.1);
  position: absolute; top: 20px; right: 20px; line-height: 1;
}
.step-card h3 { font-size: 20px; margin-bottom: 16px; color: var(--primary); }
.step-card p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* ─── About ─── */
.sim-stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.sim-log {
  margin-top: 24px; background: rgba(0,0,0,0.2); border-radius: 8px;
  padding: 12px; height: 120px; overflow-y: auto; font-family: monospace; font-size: 11px;
}
.sim-log-entry { margin-bottom: 4px; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 4px; }
.sim-log-entry .ts { color: var(--text-muted); margin-right: 8px; }
.sim-log-entry .msg { color: var(--text); }

.sim-search {
  width: 100%; background: var(--surface-2); border: 1px solid var(--border);
  padding: 10px 16px; border-radius: 8px; color: var(--text); font-size: 13px;
  margin-bottom: 16px; outline: none;
}
.sim-search:focus { border-color: var(--primary); }

.sim-admin-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.sim-admin-btn:hover {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.sim-admin-btn svg {
  color: var(--primary);
  transition: transform 0.3s ease;
}

.sim-admin-btn:hover svg {
  transform: rotate(45deg);
}

/* Admin Panel Styles */
.admin-grid { display: grid; grid-template-columns: 1.2fr 2fr; gap: 30px; }
.admin-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px; height: fit-content; }
.admin-card h4 { margin-bottom: 20px; font-size: 16px; color: var(--primary); display: flex; align-items: center; gap: 8px; }
.admin-form-group { margin-bottom: 16px; }
.admin-form-group label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.admin-form-control { 
  width: 100%; background: var(--surface-2); border: 1px solid var(--border); 
  padding: 10px 14px; border-radius: 8px; color: var(--text); font-size: 14px;
}
.admin-form-control:focus { border-color: var(--primary); outline: none; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th { text-align: left; padding: 12px; color: var(--text-muted); border-bottom: 2px solid var(--border); }
.admin-table td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-delete-btn { 
  background: rgba(248,81,73,0.1); color: var(--accent-red); border: 1px solid rgba(248,81,73,0.3);
  padding: 5px 10px; border-radius: 6px; cursor: pointer; transition: all 0.2s;
}
.admin-delete-btn:hover { background: var(--accent-red); color: #fff; }

.view-fade { animation: fadeIn 0.4s ease; }

.emoji-selector {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  background: var(--surface-2);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.emoji-opt {
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.emoji-opt:hover { background: rgba(26,108,246,0.1); }
.emoji-opt.active {
  background: rgba(26,108,246,0.15);
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(26,108,246,0.2);
}

.clickable-text {
  color: var(--primary);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: opacity 0.2s;
}
.clickable-text:hover { opacity: 0.8; }

.farewell-overlay {
  position: absolute;
  inset: 0;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  z-index: 100;
  animation: fadeIn 0.5s ease forwards;
}
.farewell-text {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.4;
}

@keyframes shrinkOut {
  0% { transform: scale(1); opacity: 1; filter: blur(0); }
  100% { transform: scale(0.1); opacity: 0; filter: blur(10px); }
}
.demo-modal.closing .demo-modal-content {
  animation: shrinkOut 0.8s cubic-bezier(0.7, 0, 0.3, 1) forwards;
}

.checkout-success {
  position: absolute; inset: 0; background: rgba(13,17,23,0.9); backdrop-filter: blur(8px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 3000; opacity: 0; pointer-events: none; transition: opacity 0.4s;
}
.checkout-success.show { opacity: 1; pointer-events: auto; }
.success-icon { font-size: 64px; margin-bottom: 20px; animation: simBounce 1s infinite; }

@keyframes simBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}