:root {
  /* Premium Monochrome Palette */
  --bg-color: #030303;
  --bg-surface: #0a0a0a;
  --bg-black: #000000;
  
  --text-white: #ffffff;
  --text-muted: #8c8c8c;
  --text-muted-dark: #666666;
  
  --accent-color: #e0e0e0;
  --accent-glow: rgba(255, 255, 255, 0.1);
  
  --border-color: rgba(255, 255, 255, 0.1);
  --border-glass: rgba(255, 255, 255, 0.05);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Syne', var(--font-primary);
  
  /* Layout */
  --section-padding: 10rem;
  --container-width: 1280px;
  --container-md: 900px;
  --container-xl: 1600px;
  
  /* Transitions */
  --transition-fast: 0.3s cubic-bezier(0.215, 0.61, 0.355, 1);
  --transition-normal: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 1.2s cubic-bezier(0.19, 1, 0.22, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.luxury-theme {
  font-family: var(--font-primary);
  background-color: var(--bg-color);
  color: var(--text-white);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}

::selection {
  background-color: var(--text-white);
  color: var(--bg-black);
}

/* Background Noise & Grids */
.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.bg-grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-size: 100px 100px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

/* Typography Classes */
.font-display { font-family: var(--font-display); }
.font-primary { font-family: var(--font-primary); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: clamp(1.25rem, 2vw, 1.5rem); }
.text-2xl { font-size: clamp(1.5rem, 3vw, 2rem); }
.text-3xl { font-size: clamp(2rem, 4vw, 2.5rem); }
.text-4xl { font-size: clamp(2.5rem, 5vw, 3rem); }
.text-5xl { font-size: clamp(2.5rem, 6vw, 4rem); }
.text-6xl { font-size: clamp(2.5rem, 8vw, 5rem); }

/* Responsive text sizes beyond md breakpoint */
@media (min-width: 768px) {
  .md-text-4xl { font-size: 3rem; }
  .md-text-5xl { font-size: 4rem; }
  .md-text-6xl { font-size: 5rem; }
  .md-text-7xl { font-size: 6rem; }
  .md-text-8xl { font-size: clamp(4rem, 8vw, 6rem); }
  .md-text-9xl { font-size: clamp(4.5rem, 8vw, 7rem); }
}

@media (min-width: 1024px) {
  .lg-text-4xl { font-size: 3.5rem; }
  .lg-text-5xl { font-size: 4.5rem; }
  .lg-text-6xl { font-size: 6rem; }
  .lg-text-7xl { font-size: 7.5rem; }
  .lg-text-8xl { font-size: clamp(5rem, 7vw, 7rem); }
  .lg-text-9xl { font-size: clamp(6rem, 7vw, 8rem); }
}

/* Fix massive text overflow on mobile */
.hero-title, .section-title {
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
  width: auto;
}

.text-white { color: var(--text-white); }
.text-muted { color: var(--text-muted); }
.text-muted-dark { color: var(--text-muted-dark); }
.text-accent { color: var(--accent-color); }
.text-glass { color: rgba(255,255,255,0.05); -webkit-text-stroke: 1px rgba(255,255,255,0.1); }

/* Line Heights & Tracking */
.leading-none { line-height: 1; }
.leading-tight { line-height: 1.1; }
.leading-relaxed { line-height: 1.6; }

.tracking-tighter { letter-spacing: -0.04em; }
.tracking-tight { letter-spacing: -0.02em; }
.tracking-wide { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }

/* Layout Utilities */
.container { width: 100%; margin: 0 auto; padding: 0 1.5rem; }
.container-md { max-width: var(--container-md); }
.container-xl { max-width: var(--container-xl); }

.section-padding { padding: var(--section-padding) 0; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.pt-24 { padding-top: 6rem; }
.pt-32 { padding-top: 8rem; }
.pb-12 { padding-bottom: 3rem; }
.pb-16 { padding-bottom: 4rem; }
.pb-24 { padding-bottom: 6rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
@media (min-width: 768px) {
  .md-p-10 { padding: 2.5rem; }
  .md-px-8 { padding-left: 2rem; padding-right: 2rem; }
}

.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-24 { margin-bottom: 6rem; }
@media (min-width: 768px) {
  .md-mb-24 { margin-bottom: 6rem; }
}

.mt-1 { margin-top: 0.25rem; }
.mt-12 { margin-top: 3rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-start { align-items: flex-start; }
.items-baseline { align-items: baseline; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }
@media (min-width: 640px) {
  .sm-flex-row { flex-direction: row; }
}
@media (min-width: 768px) {
  .md-flex-row { flex-direction: row; }
  .md-justify-end { justify-content: flex-end; }
  .md-gap-12 { gap: 3rem; }
  .md-gap-16 { gap: 4rem; }
}

.grid { display: grid; grid-template-columns: 1fr; }
.gap-px { gap: 1px; }
@media (min-width: 640px) { .sm-grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) {
  .md-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .md-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .md-col-start-2 { grid-column-start: 2; }
}
@media (min-width: 1280px) {
  .xl-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.bottom-8 { bottom: 2rem; }
.left-0 { left: 0; }
.left-1\/2 { left: 50%; }
.-left-6 { left: -1.5rem; }
.-top-1 { top: -0.25rem; }
.-right-3 { right: -0.75rem; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }
.z-110 { z-index: 110; }

.hidden { display: none; }
.block { display: block; }
@media (min-width: 768px) {
  .md-hidden { display: none; }
  .md-block { display: block; }
  .md-flex { display: flex; }
}

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.w-8 { width: 2rem; }
.h-8 { height: 2rem; }
.w-24 { width: 6rem; }
.h-16 { height: 4rem; }
.w-px { width: 1px; }
.h-px { height: 1px; }
.h-0 { height: 0; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-none { max-width: none; }
@media (min-width: 640px) {
  .sm-w-auto { width: auto; }
}

.mx-auto { margin-left: auto; margin-right: auto; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
@media (min-width: 768px) {
  .md-text-right { text-align: right; }
}
.overflow-hidden { overflow: hidden; }
.service-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

/* Vanilla Animation Helpers */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out; /* fast exit */
  will-change: opacity, transform;
}
.reveal-up.active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1); /* slow enter */
}

.reveal-fade {
  opacity: 0;
  transition: opacity 0.4s ease-out;
  will-change: opacity;
}
.reveal-fade.active {
  opacity: 1;
  transition: opacity 1.2s ease-out;
}

/* Stagger Children */
.stagger-container .stagger-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}
.stagger-container .stagger-item.active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* Hero Entrance Classes */
.navbar {
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 1s ease-out, opacity 1s ease-out, background-color var(--transition-fast), border-bottom-color var(--transition-fast);
}
.navbar.hero-ready {
  transform: translateY(0);
  opacity: 1;
}

.js-reveal-line {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s ease-in-out;
}
.js-reveal-line.hero-ready {
  transform: scaleX(1);
}

.js-reveal-text {
  transform: translateY(100%);
  transition: transform 0.8s ease-out;
}
.js-reveal-text.hero-ready {
  transform: translateY(0);
}

.hero-title-wrapper {
  overflow: hidden;
  display: block;
}
.js-reveal-title {
  transform: translateY(110%) rotate(2deg);
  display: block;
  transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.js-reveal-title.hero-ready {
  transform: translateY(0) rotate(0);
}

.js-reveal-fade {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}
.js-reveal-fade.hero-ready {
  opacity: 1;
  transform: translateY(0);
}

.rounded-full { border-radius: 9999px; }

/* Colors & Borders */
.bg-black { background-color: var(--bg-black); }
.bg-surface { background-color: var(--bg-surface); }
.bg-white { background-color: #ffffff; }
.bg-accent { background-color: var(--accent-color); }
.bg-glass { background-color: var(--border-glass); }
.bg-border { background-color: var(--border-color); }

.border { border: 1px solid var(--border-color); }
.border-t { border-top: 1px solid var(--border-color); }
.border-b { border-bottom: 1px solid var(--border-color); }
.border-glass { border-color: var(--border-glass); }

/* Buttons & Links */
a { text-decoration: none; color: inherit; }

.hover-text-white:hover { color: var(--text-white); }
.hover-text-accent:hover { color: var(--accent-color); }
.hover-opacity:hover { opacity: 0.7; }
.transition-colors { transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast); }
.transition-all { transition: all var(--transition-fast); }
.transition-transform { transition: transform var(--transition-normal); }
.transition-opacity { transition: opacity var(--transition-fast); }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.duration-700 { transition-duration: 700ms; }

.underline { text-decoration: underline; }
.underline-offset-4 { text-underline-offset: 4px; }
.decoration-glass { text-decoration-color: var(--border-glass); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: none;
  background: none;
}

.btn-solid-luxury {
  background-color: var(--text-white);
  color: var(--bg-black);
}
.btn-solid-dark {
  background-color: var(--bg-black);
  color: var(--text-white);
}

.btn-outline-luxury {
  border: 1px solid var(--text-muted-dark);
  color: var(--text-white);
}

.btn::before {
  content: '';
  position: absolute;
  top: 100%; left: 0; right: 0; bottom: 0;
  background-color: rgba(255,255,255,0.1);
  transition: transform var(--transition-fast);
  transform-origin: bottom;
  z-index: 1;
}

.btn-solid-luxury::before { background-color: var(--accent-color); }
.btn-solid-dark::before { background-color: #222; }

.btn:hover::before { transform: translateY(-100%); }

.group-hover-translate-x { transition: transform var(--transition-fast); }
.group:hover .group-hover-translate-x { transform: translateX(6px); }

/* Navigation Styles */
.navbar {
  background: transparent;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(3, 3, 3, 0.95);
  border-bottom-color: var(--border-glass);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.nav-item {
  position: relative;
}
.nav-item::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}
.nav-item:hover { color: var(--text-white); }
.nav-item:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Service Accordion Interactions */
.hover-bg-surface:hover { background-color: var(--bg-surface); }
.group-hover-scale-y-100 { transform: scaleY(0); }
.group:hover .group-hover-scale-y-100 { transform: scaleY(1); }

.group:hover .group-hover-text-invert { color: var(--bg-black); }
.group:hover .group-hover-text-invert-muted { color: var(--text-muted-dark); }
.group-hover-rotate-45 { display: inline-block; }
.group:hover .group-hover-rotate-45 { transform: rotate(45deg); }

.service-item.active .service-content {
  /* Height calculated via JS */
  padding-top: 1rem;
  padding-bottom: 2rem;
}
.service-item.active .service-icon { transform: rotate(180deg); }
.service-icon { transition: transform 0.4s ease; }

/* Process Grid Interactions */
.scale-x-0 { transform: scaleX(0); }
.origin-left { transform-origin: left; }
.origin-bottom { transform-origin: bottom; }

.group-hover-opacity-100 { opacity: 0; }
.group:hover .group-hover-opacity-100 { opacity: 1; }

.group-hover-w-16 { width: 2rem; }
.group:hover .group-hover-w-16 { width: 4rem; }

.group-hover-text-white { color: inherit; }
.group:hover .group-hover-text-white { color: var(--text-white); }
.group:hover .group-hover-bg-accent { background-color: var(--text-white); }

/* Form Elements */
.form-input {
  width: 100%;
  background: transparent;
  border: none;
  font-family: var(--font-primary);
  font-size: 1.125rem;
  color: var(--text-white);
  padding: 0.5rem 0;
  outline: none;
}
.form-input::placeholder { color: transparent; }
.form-textarea { resize: vertical; min-height: 2rem; }

.input-group { position: relative; width: 100%; }
.input-line {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background-color: rgba(255,255,255,0.2);
}
.input-line::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background-color: var(--accent-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.form-input:focus ~ .input-line::after { transform: scaleX(1); }

.form-label {
  position: absolute;
  left: 0; top: 0.5rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all var(--transition-fast);
}
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -1.25rem;
  font-size: 0.75rem;
  color: var(--text-white);
}

.text-divider { opacity: 0.3; }

/* Transform Utilities for Animations */
.translate-x-full { transform: translateX(100%); }
.translate-y-full { transform: translateY(100%); }
.translate-y-\[120\%\] { transform: translateY(120%); }
.-translate-x-1\/2 { transform: translateX(-50%); }

@media (min-width: 768px) {
  .md-translate-y-8 { transform: translateY(2rem); }
  .md-opacity-0 { opacity: 0; }
}

/* Base states for JS Reveal Animations - Transitions removed to let GSAP handle them */
.js-reveal-fade { opacity: 0; transform: translateY(30px); }
.js-reveal-line { transform-origin: left; transform: scaleX(0); }
.js-reveal-text { display: block; }
.js-reveal-title { display: block; white-space: nowrap; }

.js-scroll-fade { opacity: 0; transform: translateY(40px); }
.js-scroll-reveal { display: block; transform: translateY(100%); }

/* Animation active states triggered by JS */
.is-revealed { opacity: 1 !important; transform: translate(0) !important; }
.is-scaled-x { transform: scaleX(1) !important; }

/* Delays */
.js-delay-1 { transition-delay: 150ms; }
.js-delay-2 { transition-delay: 300ms; }

/* Animations */
@keyframes scrollDrop {
  0% { transform: translateY(-100%); opacity: 0; }
  30% { opacity: 1; }
  70% { transform: translateY(100%); opacity: 1; }
  100% { transform: translateY(150%); opacity: 0; }
}
.animate-scroll-drop { animation: scrollDrop 2s cubic-bezier(0.16, 1, 0.3, 1) infinite; }

/* Hide scroll indicator on scroll */
.scroll-indicator {
  transition: opacity var(--transition-fast);
}
.has-scrolled .scroll-indicator {
  opacity: 0;
  pointer-events: none;
}

/* Hero Blur Shapes */
.hero-blur-shapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.1;
  background: var(--text-white);
}
.shape-left {
  width: 40vw; height: 40vw;
  top: 10%; left: -20%;
  animation: float 20s ease-in-out infinite;
}
.shape-right {
  width: 30vw; height: 30vw;
  bottom: -10%; right: -10%;
  background: rgba(255, 255, 255, 0.05);
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -50px) rotate(5deg); }
  66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

/* Luxury Card Hover */
.process-card {
  transition: border-color var(--transition-normal);
  border: 1px solid var(--border-glass);
}
.process-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.process-bg-glow {
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  opacity: 1;
}

/* Custom Scrollbar for premium feel */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  color: var(--text-white);
  padding: 1rem 1.5rem;
  border-radius: 4px;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease-out;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-content {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}