/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-900: #080c14;
  --bg-800: #0d1220;
  --bg-700: #111827;
  --bg-600: #1a2234;
  --surface: #161d2e;
  --border: rgba(99, 179, 237, 0.12);
  --border-hover: rgba(99, 179, 237, 0.3);
  --accent: #3b82f6;
  --accent-2: #06b6d4;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --gradient: linear-gradient(135deg, #3b82f6, #06b6d4);
  --font-body: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-900);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(8, 12, 20, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-mark {
  width: 36px; height: 36px;
  background: var(--gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-links a:hover { color: var(--text-primary); background: var(--bg-600); }

.btn-nav {
  background: var(--gradient) !important;
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
}

.btn-nav:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-glow); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: rgba(8, 12, 20, 0.98);
}

.mobile-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--text-primary); }
.mobile-menu a:last-child { border-bottom: none; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu.open { display: flex; }
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 120px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

#particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--accent-2);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient);
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.35);
}

.btn-primary svg { width: 18px; height: 18px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-secondary);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--bg-600);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; }

.stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-visual {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.code-card {
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 360px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(59, 130, 246, 0.05);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.code-header {
  background: var(--bg-800);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.code-filename {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: auto;
  font-family: 'Courier New', monospace;
}

.code-body {
  padding: 24px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-primary);
}

.c-purple { color: #c084fc; }
.c-blue { color: #60a5fa; }
.c-green { color: #4ade80; }
.c-yellow { color: #fbbf24; }
.c-gray { color: #94a3b8; }

@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; padding: 100px 24px 60px; }
  .hero-content { max-width: 100%; }
  .hero-sub { max-width: 100%; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .code-card { min-width: unset; width: 100%; max-width: 400px; }
}

/* ===== SECTION COMMON ===== */
section { padding: 100px 0; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  background: rgba(59, 130, 246, 0.08);
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-header p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== SERVICES ===== */
.services { background: var(--bg-800); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: var(--transition);
  cursor: default;
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.service-card.featured {
  border-color: rgba(59, 130, 246, 0.4);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(6, 182, 212, 0.04));
}

.featured-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--gradient);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.service-icon {
  width: 48px; height: 48px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}

.service-icon svg { width: 22px; height: 22px; }

.service-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tags li {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-2);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  padding: 4px 10px;
  border-radius: 100px;
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ===== ABOUT ===== */
.about { background: var(--bg-900); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-card-stack {
  position: relative;
  height: 380px;
}

.about-card {
  position: absolute;
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.card-back {
  background: var(--bg-700);
  height: 280px;
  top: 80px;
  transform: rotate(-4deg);
}

.card-mid {
  background: var(--bg-600);
  height: 300px;
  top: 40px;
  transform: rotate(-1.5deg);
}

.card-front {
  background: var(--surface);
  border-color: rgba(59, 130, 246, 0.3);
  padding: 32px;
  top: 0;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(59, 130, 246, 0.1);
}

.ac-logo {
  width: 52px; height: 52px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  margin-bottom: 16px;
}

.ac-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-primary);
}

.ac-abn {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: 'Courier New', monospace;
}

.ac-location {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 16px;
}

.ac-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

.ac-director, .ac-registered {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.ac-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.ac-value {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.about-content .section-tag { display: inline-block; margin-bottom: 16px; }
.about-content h2 { margin-bottom: 20px; }

.about-content > p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-values { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }

.value-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.value-icon {
  width: 40px; height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.value-item h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.value-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; }
  .about-card-stack { height: 320px; }
}

/* ===== WHY ===== */
.why { background: var(--bg-800); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.why-item {
  background: var(--surface);
  padding: 48px;
  transition: var(--transition);
}

.why-item:hover { background: var(--bg-600); }

.why-num {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 20px;
}

.why-item h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.why-item p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 640px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-item { padding: 32px 24px; }
}

/* ===== CONTACT ===== */
.contact { background: var(--bg-900); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info .section-tag { display: inline-block; margin-bottom: 16px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { font-size: 16px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 40px; }

.contact-details { display: flex; flex-direction: column; gap: 24px; }

.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.cd-icon {
  width: 44px; height: 44px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.cd-icon svg { width: 20px; height: 20px; }

.cd-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 6px;
}

.cd-value {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Form */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

input, select, textarea {
  background: var(--bg-800);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text-primary);
  font-family: var(--font-body);
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}

input::placeholder, textarea::placeholder { color: var(--text-muted); }

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

select option { background: var(--bg-800); color: var(--text-primary); }

textarea { resize: vertical; min-height: 120px; }

.btn-full { width: 100%; justify-content: center; font-size: 16px; padding: 16px; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  color: #4ade80;
  font-size: 15px;
  font-weight: 500;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.form-success svg { width: 20px; height: 20px; flex-shrink: 0; }
.form-success.show { display: flex; }

@media (max-width: 900px) {
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}

/* ===== FOOTER ===== */
.footer { background: var(--bg-800); border-top: 1px solid var(--border); padding: 64px 0 0; }

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  padding-bottom: 48px;
  align-items: start;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 14px;
  line-height: 1.7;
}

.footer-brand .logo { margin-bottom: 4px; }

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom span { font-size: 13px; color: var(--text-muted); }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}