/* ==========================================================================
   1. VARIABLES (Custom Properties)
   ========================================================================== */
:root {
  /* Core Color Palette */
  --primary: #09090b;
  --secondary: #18181b;
  --accent: #6366f1;
  --neutral: #27272a;
  --background: #09090b;
  --text: #f8fafc;
  
  /* Extended Colors */
  --text-muted: #a1a1aa;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-subtle: rgba(255, 255, 255, 0.04);

  /* Legacy Aliases (to support existing page CSS) */
  --bg-oled: var(--background);
  --bg-card-outer: var(--neutral);
  --bg-card-inner: var(--secondary);
  --accent-slate: var(--accent);
  --text-main: var(--text);

  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-sans: var(--font-family); /* Legacy */
  --font-size-base: 16px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing System (padding, margin, gap) */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 3rem;
  --space-4xl: 4rem;

  /* Motion */
  --ease-fluid: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-snappy: cubic-bezier(0.68, -0.55, 0.26, 1.55);
}

/* ==========================================================================
   STANDARD BREAKPOINTS (Reference for Mobile-First Media Queries)
   ==========================================================================
   @media (min-width: 480px)  { - mobile besar }
   @media (min-width: 640px)  { - tablet kecil / landscape mobile }
   @media (min-width: 768px)  { - tablet }
   @media (min-width: 1024px) { - laptop / desktop kecil }
   @media (min-width: 1280px) { - desktop }
   @media (min-width: 1536px) { - desktop besar }
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

/* Fluid Media Reset */
img, picture, video, canvas, svg, iframe {
  display: block;
  max-width: 100%;
  height: auto;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: -9999px;
  left: 1rem;
  background: var(--accent);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: 9999px;
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.skip-link:focus {
  top: 1rem;
}

body {
  background-color: var(--background);
  background-image: 
    linear-gradient(var(--hairline-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline-subtle) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center center;
  color: var(--text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

p {
  text-wrap: pretty;
  max-width: 65ch;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Background Mesh Glow */
body::before {
  content: '';
  position: fixed;
  top: -20vh;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 60vh;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyBAMAAADsEZWCAAAAGFBMVEUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/c2uVAAAACHRSTlMAMwBf/8/f0s9X2QAAAJZJREFUOMuVlDEOwyAMRV0Y2cOQqXIGLpxjJ8/Q1D1/yBJV+S8UvPikvjYYyL8s3yG8v7C7hN0v7D5hfwFv+F4i6N7i7B5RdxX9VfT7Rb9D9G+L/gvRLxL9FtFvEP0W0V3F3VXsbuPsLmF3CbtL2P3C7hN2l7C7hN0v7D5h/wFv+N4i6N7i7B5RdxX9VfT7Rb9D9G+L/gsG+E/lQ+H4VQAAAABJRU5ErkJggg==');
  background-repeat: repeat;
  opacity: 0.05;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.15;
  letter-spacing: -0.035em;
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* ==========================================================================
   3. TYPOGRAPHY UTILITIES
   ========================================================================== */
.text-massive {
  font-size: clamp(1.75rem, 8vw, 6rem);
  letter-spacing: -0.04em;
}

.text-h2 {
  font-size: clamp(1.5rem, 5vw, 4rem);
}

.text-h3 {
  font-size: clamp(1.25rem, 3vw, 2.5rem);
}

.eyebrow {
  display: inline-block;
  border-radius: 9999px;
  padding: var(--space-xs) 0.75rem;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: var(--font-weight-semibold);
  background: var(--neutral);
  border: 1px solid var(--hairline);
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  margin-top: 2rem;
}

/* ==========================================================================
   X. ICONIFY UTILITIES
   ========================================================================== */
.iconify {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: -0.125em; /* Aligns with text perfectly */
  color: inherit;
  flex-shrink: 0;
}
.icon-sm { font-size: 1.2rem; }
.icon-md { font-size: 1.5rem; }

.icon-xl { font-size: 2.5rem; }

/* ==========================================================================
   4. LAYOUT
   ========================================================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md); /* Mobile padding: 1rem */
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-xl); /* Desktop padding: 2rem */
  }
}

.section-spacing {
  padding:  0;
}

/* ==========================================================================
   5. COMPONENTS
   ========================================================================== */

/* --- Cards: Doppel Shell --- */
.doppel-shell {
  background: var(--neutral);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.375rem;
  border-radius: var(--space-lg);
  box-shadow: 0 4px 20px -2px rgba(0,0,0,0.5);
  transition: all 0.5s var(--ease-fluid);
  display: flex;
  flex-direction: column;
  min-width: 0; /* Fix flex intrinsic overflow */
}

.doppel-shell:hover {
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 20px 48px -12px rgba(99, 102, 241, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.doppel-core {
  background: var(--secondary);
  border-radius: calc(var(--space-lg) - 0.25rem);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.1);
  padding: var(--space-lg);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  min-width: 0; /* Fix flex intrinsic overflow */
  max-width: 100%;
}

/* --- Buttons --- */
.btn-nested {
  display: inline-flex;
  align-items: center;
  background: var(--text);
  color: var(--background);
  border-radius: 9999px;
  padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-lg);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: transform 0.4s var(--ease-fluid);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-nested:active { transform: scale(0.98); }

.btn-nested .btn-text {
  margin-right: var(--space-md);
}

.btn-nested .btn-icon-wrapper {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s var(--ease-fluid);
}

.btn-nested:hover .btn-icon-wrapper {
  transform: translate(4px, -1px) scale(1.05);
}

.btn-nested

.btn-nested.secondary-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-nested.secondary-cta .btn-icon-wrapper {
  background: rgba(255, 255, 255, 0.1);
  margin-right: var(--space-xs);
}

.btn-nested.secondary-cta:hover .btn-icon-wrapper {
  transform: translate(-4px, -1px) scale(1.05);
}





/* --- Navigation --- */
.nav-island {
  position: fixed;
  top: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: rgba(10, 10, 12, 0.65);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--hairline);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1), 0 8px 32px rgba(0, 0, 0, 0.4);
  border-radius: 9999px;
  padding: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  transition: all 0.6s var(--ease-fluid);
}

.nav-links {
  display: none;
  gap: var(--space-lg);
  list-style: none;
}

@media (min-width: 768px) {
  .nav-island {
    padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-lg);
  }
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  z-index: 90;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s var(--ease-fluid);
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-overlay .nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.mobile-nav-overlay .nav-links a {
  font-size: var(--space-xl);
  font-weight: var(--font-weight-semibold);
  transform: translateY(3rem);
  opacity: 0;
  transition: all 0.8s var(--ease-fluid);
}

.mobile-nav-overlay.open .nav-links a {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav-overlay.open .nav-links li:nth-child(1) a { transition-delay: 0.1s; }
.mobile-nav-overlay.open .nav-links li:nth-child(2) a { transition-delay: 0.15s; }
.mobile-nav-overlay.open .nav-links li:nth-child(3) a { transition-delay: 0.2s; }
.mobile-nav-overlay.open .nav-links li:nth-child(4) a { transition-delay: 0.25s; }
.mobile-nav-overlay.open .nav-links li:nth-child(5) a { transition-delay: 0.3s; }

/* Hamburger */
.hamburger {
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  background: var(--neutral);
  border: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  z-index: 100;
}

@media (min-width: 768px) {
  .hamburger {
    display: none;
  }
}

.hamburger span {
  width: 18px;
  height: 1px;
  background: var(--text);
  transition: transform 0.6s var(--ease-fluid), opacity 0.6s var(--ease-fluid);
}

.hamburger.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* --- Footer --- */
.global-footer {
  border-top: 1px solid var(--hairline);
  padding: var(--space-3xl) var(--space-xl);
  margin-top: 6rem;
  background: linear-gradient(180deg, var(--background) 0%, rgba(15, 15, 20, 0.8) 100%);
  text-align: center;
}

.global-footer .footer-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.global-footer .footer-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

.global-footer .footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.global-footer .footer-links a:hover {
  color: var(--text);
}

.global-footer p {
  color: #71717a;
  font-size: 0.825rem;
  max-width: none;
}

/* --- Pre-Footer Transformation Banner --- */
.transformation-banner {
  position: relative;
  overflow: hidden;
  background: radial-gradient(120% 120% at 50% 100%, rgba(99, 102, 241, 0.2) 0%, var(--secondary) 70%);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--space-xl);
  padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 5vw, var(--space-xl));
  text-align: center;
  box-shadow: 0 25px 60px -15px rgba(99, 102, 241, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  margin-top: 4rem;
}

.transformation-banner h2 {
  font-size: clamp(1.5rem, 4vw, 3.5rem);
  max-width: 800px;
  margin: 0 auto var(--space-xl) auto;
  color: var(--text);
}

.transformation-banner .btn-nested {
  background: var(--accent);
  color: #ffffff;
  font-size: 1.125rem;
  padding: 0.625rem 0.625rem 0.625rem 1.75rem;
  box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.5);
}

.transformation-banner .btn-nested .btn-icon-wrapper {
  background: rgba(255, 255, 255, 0.2);
}

.transformation-banner .btn-nested:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 15px 35px -5px rgba(99, 102, 241, 0.65);
}

/* ==========================================================================
   6. UTILITIES (Motion & Visibility)
   ========================================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(3rem);
  filter: blur(8px);
  transition: opacity 0.8s var(--ease-fluid), transform 0.8s var(--ease-fluid), filter 0.8s var(--ease-fluid);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }


/* ==========================================================================
   GLOBAL LAYOUT ADJUSTMENT FOR CABINA SIDEBAR (State-Driven)
   ========================================================================== */
body {
  padding-top: var(--yuros-navbar-height, 64px) !important;
  transition: padding-left 0.7s cubic-bezier(0.32, 0.72, 0, 1);
  padding-left: 0;
}
body[data-sidebar-state="open"] {
  padding-left: 0; /* On mobile, sidebar is an overlay, so main content does not shift */
}