/* ==========================================================================
   ONE TECH SHOP - DESIGN SYSTEM & STYLESHEET
   Aesthetic: Modern Dark / High-Tech (Electric Violet & Neon Cyan)
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark: #07080d;
  --bg-surface: #0e111a;
  --bg-surface-elevated: #151824;
  --bg-glass: rgba(14, 17, 26, 0.72);
  --bg-glass-card: rgba(21, 24, 36, 0.55);
  --bg-glass-active: rgba(30, 36, 56, 0.8);

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-focus: #8b5cf6;

  /* Tech Accents */
  --violet-primary: #8b5cf6;
  --violet-deep: #7c3aed;
  --violet-glow: rgba(139, 92, 246, 0.35);
  
  --cyan-primary: #06b6d4;
  --cyan-bright: #00f2fe;
  --cyan-glow: rgba(0, 242, 254, 0.35);

  --gradient-accent: linear-gradient(135deg, #00f2fe 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-tech: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
  --gradient-glow: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 70%);

  /* Typography */
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Grotesk', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout & Spacing */
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   SCROLL PROGRESS INDICATOR (Native Scroll-Driven Animation)
   ========================================================================== */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #00f2fe 0%, #8b5cf6 50%, #ec4899 100%);
  z-index: 999;
  transform-origin: 0 50%;
  transform: scaleX(0);
}

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: scroll()) {
    @keyframes grow-scroll-progress {
      from { transform: scaleX(0); }
      to { transform: scaleX(1); }
    }
    #scroll-progress {
      animation: grow-scroll-progress auto linear;
      animation-timeline: scroll();
    }
  }
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  font-size: 16px;
  background-color: var(--bg-dark);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient Background Grid & Electric Pulse Mesh */
.ambient-mesh {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

main, .site-header, .site-footer {
  position: relative;
  z-index: 1;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  will-change: transform;
}

.glow-orb-1 {
  width: 600px;
  height: 600px;
  top: -150px;
  left: 20%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.35) 0%, transparent 70%);
}

.glow-orb-2 {
  width: 500px;
  height: 500px;
  top: 30%;
  right: -100px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(0, 242, 254, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(139, 92, 246, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.15) 85%);
}

/* ==========================================================================
   HIGH-TECH ELECTRIC PULSE SYSTEM
   ========================================================================== */

/* 1. Concentric Radial Electric Pulse Wave */
.electric-pulse-ring {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 2px solid rgba(0, 242, 254, 0.6);
  box-shadow: 
    0 0 30px rgba(0, 242, 254, 0.45),
    inset 0 0 25px rgba(139, 92, 246, 0.4);
  background: radial-gradient(circle, rgba(0, 242, 254, 0.08) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 80%);
  opacity: 0;
  animation: electric-pulse-ripple 6s cubic-bezier(0.1, 0.7, 0.2, 1) infinite;
  pointer-events: none;
}

.electric-pulse-ring-2 {
  animation-delay: 3s;
}

@keyframes electric-pulse-ripple {
  0% {
    width: 80px;
    height: 80px;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
  }
  15% {
    opacity: 0.85;
    border-color: #00f2fe;
  }
  60% {
    opacity: 0.35;
    border-color: #8b5cf6;
    box-shadow: 0 0 50px rgba(139, 92, 246, 0.5), inset 0 0 35px rgba(0, 242, 254, 0.3);
  }
  100% {
    width: 1100px;
    height: 1100px;
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.3);
  }
}

/* 2. Traveling High-Voltage Electric Beams */
.electric-beam-h {
  position: absolute;
  top: 25%;
  left: -350px;
  width: 280px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00f2fe 30%, #8b5cf6 70%, transparent);
  box-shadow: 0 0 16px #00f2fe, 0 0 28px #8b5cf6;
  opacity: 0.85;
  animation: electric-sweep-h 8s linear infinite;
  pointer-events: none;
}

.electric-beam-h-2 {
  position: absolute;
  top: 70%;
  left: -350px;
  width: 240px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #8b5cf6 30%, #00f2fe 70%, transparent);
  box-shadow: 0 0 16px #8b5cf6, 0 0 28px #00f2fe;
  opacity: 0.8;
  animation: electric-sweep-h 11s linear 4s infinite;
  pointer-events: none;
}

.electric-beam-v {
  position: absolute;
  left: 20%;
  top: -350px;
  width: 2px;
  height: 280px;
  background: linear-gradient(180deg, transparent, #8b5cf6 30%, #00f2fe 70%, transparent);
  box-shadow: 0 0 16px #8b5cf6, 0 0 28px #00f2fe;
  opacity: 0.85;
  animation: electric-sweep-v 10s linear 1.5s infinite;
  pointer-events: none;
}

.electric-beam-v-2 {
  position: absolute;
  left: 78%;
  top: -350px;
  width: 2px;
  height: 260px;
  background: linear-gradient(180deg, transparent, #00f2fe 30%, #8b5cf6 70%, transparent);
  box-shadow: 0 0 16px #00f2fe, 0 0 28px #8b5cf6;
  opacity: 0.8;
  animation: electric-sweep-v 13s linear 6s infinite;
  pointer-events: none;
}

@keyframes electric-sweep-h {
  0% { left: -350px; opacity: 0; }
  10% { opacity: 0.9; }
  85% { opacity: 0.9; }
  100% { left: 110vw; opacity: 0; }
}

@keyframes electric-sweep-v {
  0% { top: -350px; opacity: 0; }
  10% { opacity: 0.9; }
  85% { opacity: 0.9; }
  100% { top: 110vh; opacity: 0; }
}

/* 3. Glowing Grid Junction Spark Nodes */
.electric-spark-node {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--cyan-bright);
  box-shadow: 0 0 12px var(--cyan-bright), 0 0 24px var(--violet-primary);
  animation: node-spark 3s infinite ease-in-out;
  pointer-events: none;
}

.node-1 { top: 22%; left: 18%; animation-delay: 0s; }
.node-2 { top: 38%; left: 82%; animation-delay: 0.9s; }
.node-3 { top: 64%; left: 28%; animation-delay: 1.8s; }
.node-4 { top: 82%; left: 74%; animation-delay: 2.4s; }

@keyframes node-spark {
  0%, 100% {
    transform: scale(0.8);
    opacity: 0.25;
    box-shadow: 0 0 8px var(--cyan-bright);
  }
  50% {
    transform: scale(1.6);
    opacity: 1;
    box-shadow: 0 0 18px var(--cyan-bright), 0 0 35px var(--violet-primary);
    background-color: #ffffff;
  }
}

/* 4. Interactive Electric Cursor Spotlight */
.electric-cursor-glow {
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.08) 0%, rgba(139, 92, 246, 0.04) 40%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  will-change: left, top;
}

@media (prefers-reduced-motion: reduce) {
  .electric-pulse-ring,
  .electric-pulse-ring-2,
  .electric-beam-h,
  .electric-beam-h-2,
  .electric-beam-v,
  .electric-beam-v-2,
  .electric-spark-node,
  .electric-cursor-glow {
    animation: none;
    display: none;
  }
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.text-cyan {
  color: var(--cyan-bright);
}

.text-violet {
  color: var(--violet-primary);
}

.font-mono {
  font-family: var(--font-mono);
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background-color var(--transition-smooth), padding var(--transition-smooth), border-color var(--transition-smooth);
}

.site-header.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-symbol {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.brand-logo:hover .logo-symbol {
  transform: scale(1.06);
  filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.5));
}

.logo-symbol img,
.logo-symbol svg {
  width: 100%;
  height: 100%;
  display: block;
}

.logo-text span {
  color: var(--cyan-bright);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-tech);
  transition: width var(--transition-smooth);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.5rem;
  cursor: pointer;
}

/* ==========================================================================
   BUTTONS & INTERACTIVE ELEMENTS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--violet-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(139, 92, 246, 0.5), 0 0 15px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-subtle);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan-bright);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--cyan-bright);
  box-shadow: 0 0 10px var(--cyan-bright);
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: 10rem;
  padding-bottom: 5rem;
  position: relative;
  text-align: center;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
}

.hero-pill-wrapper {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

/* Hero Metrics Ticker */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  max-width: 800px;
  margin: 0 auto;
}

.metric-item {
  text-align: center;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--cyan-bright);
  display: block;
  margin-bottom: 0.2rem;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ==========================================================================
   SECTION COMMON
   ========================================================================== */
section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan-bright);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   PORTFOLIO / SELECTED WORKS
   ========================================================================== */
.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-main);
}

.filter-btn.active {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(139, 92, 246, 0.25) 100%);
  border-color: var(--cyan-bright);
  color: var(--cyan-bright);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-tech);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4), 0 0 20px rgba(139, 92, 246, 0.15);
}

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

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--cyan-bright);
  letter-spacing: 0.05em;
  font-weight: 600;
}

.project-badge {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.project-title {
  font-size: 1.45rem;
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.tag {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  background: rgba(139, 92, 246, 0.1);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.project-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  margin-top: auto;
}

.live-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

.live-link:hover {
  color: var(--cyan-bright);
}

.live-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.live-link:hover svg {
  transform: translate(2px, -2px);
}

.case-btn {
  background: none;
  border: none;
  color: var(--violet-primary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition-fast);
}

.case-btn:hover {
  color: #c4b5fd;
}

/* ==========================================================================
   SERVICES (BENTO GRID)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  transition: all var(--transition-smooth);
}

.service-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3), 0 0 20px var(--cyan-glow);
}

.service-number {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--violet-primary);
  margin-bottom: 1.25rem;
  display: inline-block;
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-bright);
  margin-bottom: 1.5rem;
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-main);
}

.service-features svg {
  width: 16px;
  height: 16px;
  color: var(--cyan-bright);
  flex-shrink: 0;
}

/* ==========================================================================
   INTERACTIVE ESTIMATOR / CALCULATOR
   ========================================================================== */
.estimator-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 3rem;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.estimator-wrapper::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -150px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.estimator-step {
  margin-bottom: 2.25rem;
}

.step-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.scope-pill {
  position: relative;
}

.scope-pill input[type="radio"],
.scope-pill input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.pill-content {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.scope-pill input:checked + .pill-content {
  background: rgba(139, 92, 246, 0.18);
  border-color: var(--violet-primary);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

.estimator-result-card {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1rem;
}

.est-output-title {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.est-output-range {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--cyan-bright);
}

/* ==========================================================================
   FOUNDER & ENGINEERING PHILOSOPHY
   ========================================================================== */
.founder-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: center;
  backdrop-filter: blur(16px);
}

.founder-visual {
  text-align: center;
}

.founder-avatar-frame {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  padding: 4px;
  background: var(--gradient-tech);
  box-shadow: 0 0 30px var(--violet-glow);
}

.founder-avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #0f111a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 800;
  color: var(--cyan-bright);
  font-family: var(--font-mono);
}

.founder-name {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.founder-role {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.founder-credential {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: #c4b5fd;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.25);
}

.founder-credential .credential-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-bright);
  box-shadow: 0 0 8px var(--cyan-bright);
}

.founder-socials {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.philo-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.philo-item h4 {
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.philo-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--violet-primary);
  flex-shrink: 0;
}

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

.contact-meta h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.contact-meta p,
.contact-meta a {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-meta a:hover {
  color: var(--cyan-bright);
}

/* Form Styles */
.contact-form {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--violet-primary);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

/* Anti-spam hidden honeypot */
.hidden-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.92rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
}

/* ==========================================================================
   NATIVE MODAL DIALOG (Case Study Deep Dive)
   Following Modern Web Guidance for Native <dialog>
   ========================================================================== */
dialog.case-study-modal {
  margin: auto;
  padding: 0;
  max-width: 720px;
  width: 90%;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-main);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px var(--violet-glow);
  overflow: hidden;
}

dialog.case-study-modal::backdrop {
  background: rgba(7, 8, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.modal-header {
  padding: 1.75rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.4rem;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.modal-body {
  padding: 2rem;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-section-title {
  font-size: 1.05rem;
  color: var(--cyan-bright);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.modal-section-title:first-child {
  margin-top: 0;
}

.modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2.5rem;
  background: rgba(7, 8, 13, 0.8);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  max-width: 360px;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   SCROLL ENTRY & REVEAL ANIMATIONS (Modern Web Guidance)
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes scroll-fade-in {
      from {
        opacity: 0;
        transform: translateY(28px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .reveal-on-scroll {
      animation: scroll-fade-in auto ease-out backwards;
      animation-timeline: view();
      animation-range: entry 10% cover 30%;
      opacity: 1;
      transform: none;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 3D Card Hover & Spotlight illumination */
.project-card, .service-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.project-card:hover, .service-card:hover {
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6), 0 0 30px rgba(139, 92, 246, 0.2);
}

/* Ambient Glow Drift Animation */
@keyframes orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.08); }
}

@keyframes orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, -40px) scale(1.1); }
}

.glow-orb-1 {
  animation: orb-float-1 12s ease-in-out infinite alternate;
}

.glow-orb-2 {
  animation: orb-float-2 15s ease-in-out infinite alternate;
}

@media (prefers-reduced-motion: reduce) {
  .glow-orb-1, .glow-orb-2 {
    animation: none;
  }
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 992px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .founder-card {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .metrics-strip {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .estimator-wrapper {
    padding: 1.75rem;
  }
}