/* ==========================================================================
   A9B4N PREMIUM DIGITAL AGENCY DESIGN SYSTEM
   ========================================================================== */

/* --- Custom Properties (Tokens) --- */
:root {
  /* Colors */
  --bg-color: #050505;
  --surface-color: #0c0c0c;
  --card-color: #111111;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-muted: #666666;
  --border-color: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.15);
  --accent-color: #ffffff;
  --accent-glow: rgba(255, 255, 255, 0.15);
  
  /* Fonts */
  --font-display: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Layout */
  --nav-height: 80px;
  --container-max-width: 1280px;
  --grid-gap: 24px;
  
  /* Animations */
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.25s var(--ease-premium);
  --transition-medium: 0.5s var(--ease-premium);
  --transition-slow: 0.8s var(--ease-premium);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-color);
  position: relative;
}

/* Premium Technical Grid Background Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center center;
  mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 90%);
}

/* Hide native cursor if custom cursor is active (will be managed via JS) */
body.custom-cursor-active {
  cursor: none;
}
body.custom-cursor-active a,
body.custom-cursor-active button,
body.custom-cursor-active .interactive {
  cursor: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 300;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

ul {
  list-style: none;
}

/* --- Global Layout Utilities --- */
.section {
  padding: 140px 0;
  position: relative;
  z-index: 2;
}

.section-container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: 72px;
  max-width: 800px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.text-glow {
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.45);
}

/* --- Preloader Screen --- */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-color);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.8s cubic-bezier(0.85, 0, 0.15, 1);
}

.preloader.fade-out {
  transform: translateY(-100%);
}

.preloader-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.preloader-logo {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 24px;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

.preloader-progress-container {
  width: 180px;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 12px;
}

.preloader-progress-bar {
  width: 0%;
  height: 100%;
  background-color: var(--text-primary);
  transition: width 0.1s ease-out;
  box-shadow: 0 0 10px #fff;
}

.preloader-percentage {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* --- Grain/Noise Overlay --- */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9998;
  opacity: 0.045;
  pointer-events: none;
  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");
}

/* --- Interactive Ambient Canvas --- */
.ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(13, 13, 13, 0.8) 0%, rgba(5, 5, 5, 1) 100%);
}

/* --- Custom Cursor --- */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99999;
  pointer-events: none;
  mix-blend-mode: difference;
}

.cursor-dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  background-color: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
}

.cursor-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* Hover State for Cursor */
body.cursor-hovering .cursor-ring {
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
}
body.cursor-hovering .cursor-dot {
  width: 10px;
  height: 10px;
}

/* --- Buttons (Premium Aesthetics) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  border-radius: 30px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: background-color var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium);
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.magnetic {
  transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1) !important;
}

.magnetic span {
  display: inline-block;
  transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-color);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  box-shadow: 0 0 35px rgba(255, 255, 255, 0.35);
  background-color: #ffffff;
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-arrow {
  transition: transform 0.5s var(--ease-premium);
}

.btn-primary:hover .btn-arrow {
  transform: translate(3px, -3px);
}

/* --- Notification Toast --- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: rgba(13, 13, 13, 0.9);
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
  padding: 14px 28px;
  border-radius: 30px;
  z-index: 1000;
  backdrop-filter: blur(20px);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* --- Floating Glass Navigation --- */
.nav-container {
  position: fixed;
  top: 24px;
  left: 0;
  width: 100%;
  z-index: 100;
  pointer-events: none; /* Let clicks pass through outside the inner nav */
  transition: top 0.4s var(--ease-premium);
}

.nav-container.nav-up {
  top: -100px;
}

.navbar {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  height: var(--nav-height);
  background-color: rgba(13, 13, 13, 0.55);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-color);
  border-radius: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  pointer-events: auto; /* Re-enable clicks for the nav itself */
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  transition: height 0.3s var(--ease-premium), padding 0.3s var(--ease-premium), background-color 0.3s;
}

.nav-container.nav-scrolled .navbar {
  height: 64px;
  padding: 0 32px;
  background-color: rgba(10, 10, 10, 0.85);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  border-color: rgba(255, 255, 255, 0.1);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 4px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.logo-dot {
  width: 4px;
  height: 4px;
  background-color: var(--text-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px #fff;
}

.nav-menu {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  padding: 10px 0;
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

/* Highlight connection CTA */
.nav-link.highlight-link {
  font-weight: 500;
  color: var(--text-primary);
}

.nav-link.highlight-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.4);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-premium);
}

.nav-link.highlight-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Animated sliding active link indicator */
.nav-indicator {
  position: absolute;
  bottom: -4px;
  height: 2px;
  background-color: var(--text-primary);
  transition: left 0.4s cubic-bezier(0.25, 1, 0.5, 1), width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
  opacity: 0;
}

.nav-indicator.active {
  opacity: 1;
}

/* Nav Toggle Button (Hamburger) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 14px;
  z-index: 102;
}

.hamburger-line {
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  transition: transform 0.3s var(--ease-premium), opacity 0.3s;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
  padding-top: 140px;
  padding-bottom: 60px;
  box-sizing: border-box;
}

.hero-wrapper {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 8px 18px;
  border-radius: 20px;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.status-dot-pulse {
  width: 6px;
  height: 6px;
  background-color: #ffffff;
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 8px #fff;
}

.status-dot-pulse::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px solid #fff;
  animation: pulse-ring 2s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  transform-origin: center;
  box-sizing: border-box;
}

@keyframes pulse-ring {
  0% { transform: scale(0.5); opacity: 1; }
  80%, 100% { transform: scale(3.5); opacity: 0; }
}

.status-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.hero-headline {
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 32px;
  color: var(--text-primary);
  max-width: 1100px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 48px;
  text-align: center;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Hero Stats Bar */
.hero-stats {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 80px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
  gap: 20px;
}

.stat-box {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Scroll indicator */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 60px;
  color: var(--text-muted);
}

.scroll-indicator-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.scroll-indicator-mouse {
  width: 20px;
  height: 32px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  position: relative;
}

.scroll-indicator-wheel {
  width: 2px;
  height: 6px;
  background-color: var(--text-secondary);
  border-radius: 1px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: mouse-scroll 1.6s infinite ease-in-out;
}

@keyframes mouse-scroll {
  0% { transform: translate(-50%, 0); opacity: 0; }
  20% { opacity: 1; }
  80% { transform: translate(-50%, 10px); opacity: 0; }
  100% { opacity: 0; }
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-top: 32px;
}

.service-card {
  position: relative;
  border-radius: 24px;
  background-color: var(--card-color);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: border-color 0.5s var(--ease-premium), transform 0.5s var(--ease-premium);
}

.service-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-8px);
}

.card-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: radial-gradient(400px circle at var(--x, 0px) var(--y, 0px), rgba(255, 255, 255, 0.04), transparent 80%);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1;
}

.service-card:hover .card-glow {
  opacity: 1;
}

.card-inner {
  padding: 48px;
  display: flex;
  flex-direction: column;
  min-height: 480px;
  z-index: 2;
  position: relative;
}

.service-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  margin-bottom: 40px;
  transition: background-color 0.5s var(--ease-premium), color 0.5s var(--ease-premium);
}

.service-card:hover .service-icon-wrapper {
  background-color: var(--text-primary);
  color: var(--bg-color);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.service-name {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

.service-bullets {
  margin-bottom: auto;
}

.service-bullets li {
  font-size: 0.85rem;
  color: var(--text-muted);
  position: relative;
  padding-left: 16px;
  margin-bottom: 10px;
}

.service-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 4px;
  height: 4px;
  background-color: var(--text-secondary);
  border-radius: 50%;
}

.card-action {
  margin-top: 40px;
}

.service-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  padding: 10px 0;
  position: relative;
}

.service-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.15);
  transition: background-color 0.3s;
}

.service-card:hover .service-btn::after {
  background-color: var(--text-primary);
}

.service-btn svg {
  transition: transform 0.3s var(--ease-premium);
}

.service-btn:hover svg {
  transform: translate(2px, -2px);
}

/* --- Philosophy (Why Us) Section --- */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.philosophy-left {
  position: sticky;
  top: 140px;
}

.philosophy-highlight {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.25;
  color: var(--text-primary);
  font-weight: 300;
  letter-spacing: -0.02em;
}

.philosophy-right {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.phil-item {
  display: flex;
  gap: 32px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 40px;
}

.phil-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.phil-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-top: 4px;
}

.phil-content {
  flex: 1;
}

.phil-title {
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.phil-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* --- Process Section (Timeline) --- */
.timeline-container {
  position: relative;
  margin-top: 80px;
  padding: 40px 0;
}

.timeline-progress-track {
  position: absolute;
  top: 56px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.04);
  z-index: 1;
}

.timeline-progress-fill {
  width: 0%;
  height: 100%;
  background-color: var(--text-primary);
  box-shadow: 0 0 10px #fff;
  transition: width 0.1s linear;
}

.timeline-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
  z-index: 2;
}

.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-right: 20px;
}

.timeline-node {
  width: 12px;
  height: 12px;
  background-color: var(--bg-color);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  margin-bottom: 40px;
  position: relative;
  left: 0;
  transition: border-color 0.4s, background-color 0.4s;
}

.timeline-step.active .timeline-node {
  border-color: var(--text-primary);
  background-color: var(--text-primary);
  box-shadow: 0 0 12px #fff;
}

.timeline-content {
  display: flex;
  flex-direction: column;
}

.step-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- FAQ Section (Accordion) --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto 80px auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border-radius: 16px;
  background-color: var(--card-color);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.faq-trigger {
  width: 100%;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-primary);
  padding-right: 24px;
}

.faq-icon {
  width: 16px;
  height: 16px;
  position: relative;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--text-primary);
  transition: transform 0.3s var(--ease-premium);
}

/* Horizontal line */
.faq-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

/* Vertical line */
.faq-icon::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.faq-trigger[aria-expanded="true"] .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
}
.faq-trigger[aria-expanded="true"] .faq-icon::before {
  transform: translateY(-50%) rotate(90deg);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-premium);
}

.faq-panel-content {
  padding: 0 32px 32px 32px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Important Info Card */
.info-card {
  border-radius: 24px;
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 48px;
  margin-top: 80px;
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}

.info-card-icon {
  color: var(--text-secondary);
}

.info-card-title {
  font-size: 1.35rem;
  font-weight: 500;
}

.info-card-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.info-column-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.info-bullets li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  position: relative;
  padding-left: 18px;
}

.info-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
}

.info-footer {
  margin-top: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.guarantee-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background-color: var(--text-primary);
  color: var(--bg-color);
  padding: 6px 12px;
  border-radius: 4px;
  font-weight: 600;
}

.guarantee-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Contact Section (Luxury Two-Column Panel) --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.panel-headline {
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.25;
}

.panel-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 480px;
}

/* Live Uptime Panel */
.live-status-card {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-dot-pulse.active {
  background-color: #ffffff;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}
.status-dot-pulse.active::after {
  border-color: #ffffff;
}

.status-indicator-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-details {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.details-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.details-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

.consultation-guidelines {
  border-left: 1px solid var(--border-color);
  padding-left: 24px;
  margin-top: 16px;
}

.guidelines-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.guidelines-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}

/* Right Column Contact Platforms */
.contact-platforms {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.glass-card {
  border-radius: 20px;
  background-color: rgba(17, 17, 17, 0.45);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 32px;
  transition: border-color var(--transition-medium), transform var(--transition-medium);
  overflow: hidden;
  position: relative;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at var(--x, 0px) var(--y, 0px), rgba(255, 255, 255, 0.03), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.glass-card:hover::before {
  opacity: 1;
}

.glass-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.platform-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.platform-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
}

.platform-brand svg {
  color: var(--text-secondary);
}

.glass-card:hover .platform-brand svg {
  color: var(--text-primary);
}

.platform-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 12px;
}

.platform-badge.fast-response {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  background-color: rgba(255, 255, 255, 0.05);
}

.platform-body {
  margin-bottom: 24px;
}

.platform-desc-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.platform-handle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 16px;
}

.platform-handle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

.btn-copy {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: var(--transition-fast);
  padding: 4px 8px;
}

.btn-copy:hover {
  color: var(--text-primary);
}

.platform-footer {
  display: flex;
  justify-content: flex-end;
}

.btn-platform {
  padding: 12px 24px;
  font-size: 0.8rem;
  border-radius: 20px;
  background-color: var(--text-primary);
  color: var(--bg-color);
  font-weight: 500;
  gap: 8px;
  box-shadow: none;
}

.btn-platform:hover {
  background-color: #ffffff;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.btn-platform svg {
  transition: transform 0.3s var(--ease-premium);
}

.btn-platform:hover svg {
  transform: translate(2px, -2px);
}

/* --- Premium Footer --- */
.footer {
  background-color: #080808;
  border-top: 1px solid var(--border-color);
  padding: 100px 0 48px 0;
  position: relative;
  z-index: 2;
}

.footer-container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-logo span {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.footer-mission {
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-group-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.footer-link-group ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link-group a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.copyright-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-meta-links {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-meta-links .separator {
  color: rgba(255, 255, 255, 0.05);
}

/* --- Scroll Reveal Animations --- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s var(--ease-premium), transform 1s var(--ease-premium);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Adaptations --- */

@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    height: 100dvh;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-left: 1px solid var(--border-color);
    padding: 120px 48px 48px 48px;
    transition: right 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 101;
    pointer-events: auto;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }

  .nav-link {
    font-size: 1.1rem;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hamburger active state */
  .nav-toggle.active .line-top {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle.active .line-mid {
    opacity: 0;
  }
  .nav-toggle.active .line-bot {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-indicator {
    display: none;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 32px auto 0;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .philosophy-left {
    position: relative;
    top: 0;
  }

  .timeline-steps {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-left: 24px;
    border-left: 1px solid var(--border-color);
  }

  .timeline-progress-track {
    left: 29px;
    top: 0;
    width: 2px;
    height: 100%;
  }

  .timeline-progress-fill {
    width: 100%;
    height: 0%;
  }

  .timeline-node {
    margin-bottom: 20px;
    left: -30px;
  }

  .info-card-content-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 100px 0;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-headline {
    font-size: 2.75rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 48px;
    border-top: none;
    padding-top: 0;
  }

  .stat-box {
    text-align: left;
    border-left: 1px solid var(--border-color);
    padding-left: 16px;
  }

  .btn {
    width: 100%;
    padding: 14px 28px;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .info-card {
    padding: 24px;
  }

  .glass-card {
    padding: 24px;
  }

  .footer-links-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}