/* ==========================================================================
   Tech Lab Solutions (TR0324757-K) - Premium Tech Portfolio Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700;800&display=swap');

:root {
  /* Core Color Tokens */
  --bg-primary: #060813;
  --bg-secondary: #0c1024;
  --bg-tertiary: #131938;
  --bg-card: rgba(14, 20, 44, 0.72);
  --bg-card-hover: rgba(22, 31, 66, 0.88);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  /* Text Tokens */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-glow: #e2e8f0;

  /* Neon Accents */
  --neon-cyan: #00f2fe;
  --neon-cyan-glow: rgba(0, 242, 254, 0.35);
  --electric-blue: #3b82f6;
  --cyber-purple: #7928ca;
  --cyber-purple-glow: rgba(121, 40, 202, 0.4);
  --emerald-tech: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.3);
  --amber-gold: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.3);
  --danger-red: #ef4444;

  /* Gradients */
  --grad-cyan-purple: linear-gradient(135deg, #00f2fe 0%, #4facfe 40%, #7928ca 100%);
  --grad-surface: linear-gradient(180deg, rgba(20, 28, 58, 0.6) 0%, rgba(10, 14, 30, 0.85) 100%);
  --grad-border: linear-gradient(135deg, rgba(0, 242, 254, 0.4), rgba(121, 40, 202, 0.3), rgba(255, 255, 255, 0.05));
  --grad-glow: radial-gradient(circle at center, rgba(0, 242, 254, 0.15) 0%, rgba(6, 8, 19, 0) 70%);

  /* Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 242, 254, 0.4);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px var(--neon-cyan-glow);
  --shadow-purple: 0 0 30px var(--cyber-purple-glow);

  /* Typography */
  --font-heading: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --max-w: 1240px;
  --nav-height: 84px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Background Canvas Layer */
#cyber-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.65;
}

/* Ambient Radial Glows */
.ambient-glow-1 {
  position: fixed;
  top: -150px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
}

.ambient-glow-2 {
  position: fixed;
  bottom: 10%;
  left: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(121, 40, 202, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(50px);
}

/* Grid & Layout Helpers */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

section {
  position: relative;
  padding: 6.5rem 0;
  z-index: 1;
}

/* Section Header Typography */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.25);
  margin-bottom: 1rem;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--neon-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-cyan);
  animation: pulse-dot 2s infinite ease-in-out;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: #ffffff;
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 3.5rem;
}

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

/* Navigation Header */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  transition: var(--transition-smooth);
}

.header-nav.scrolled {
  background: rgba(6, 8, 19, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  height: 72px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  transition: var(--transition-smooth);
  border-radius: var(--radius-sm);
  padding: 4px 6px;
  margin-left: -6px;
}

.brand-link:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.brand-logo-img {
  height: 38px;
  width: auto;
  max-width: 290px;
  object-fit: contain;
  display: block;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease;
  filter: drop-shadow(0 2px 8px rgba(0, 242, 254, 0.2));
}

.brand-link:hover .brand-logo-img {
  transform: scale(1.02);
  filter: drop-shadow(0 0 14px rgba(0, 242, 254, 0.5));
}

.footer-logo-img {
  height: 48px;
  width: auto;
  max-width: 310px;
  object-fit: contain;
  display: block;
  margin-bottom: 0.85rem;
  filter: drop-shadow(0 0 15px rgba(0, 242, 254, 0.3));
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
  padding: 0.35rem 0;
  white-space: nowrap;
}

.mobile-cta-item {
  display: none;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* Sound Toggle button */
.sound-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  position: relative;
  outline: none;
}

.sound-toggle-btn:hover {
  color: var(--neon-cyan);
  border-color: rgba(0, 242, 254, 0.4);
  background: rgba(0, 242, 254, 0.08);
  box-shadow: 0 0 14px rgba(0, 242, 254, 0.25);
  transform: translateY(-1px);
}

.sound-toggle-btn.sound-on {
  color: var(--neon-cyan);
  border-color: rgba(0, 242, 254, 0.45);
  background: rgba(0, 242, 254, 0.08);
  box-shadow: 0 0 14px rgba(0, 242, 254, 0.25), inset 0 1px 0 rgba(0, 242, 254, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-cyan-purple);
  color: #060813;
  font-weight: 700;
  box-shadow: 0 4px 20px var(--neon-cyan-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 242, 254, 0.5);
  color: #060813;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-active);
  color: var(--neon-cyan);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: #060813;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20ba59;
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(37, 211, 102, 0.45);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  transition: var(--transition-smooth);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  margin: 0 !important;
  transition: var(--transition-smooth);
}

.mobile-nav-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-nav-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.badge-live-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 2.2vw, 0.8rem);
  color: #34d399;
  font-weight: 600;
  white-space: nowrap;
  max-width: 100%;
}

.badge-live-status .pulse-circle {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-dot 1.8s infinite;
}

.badge-reg {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.badge-reg strong {
  color: var(--neon-cyan);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.2vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.2rem;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Hero Metrics Strip */
.hero-metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.metric-item .metric-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.metric-item .metric-number span {
  color: var(--neon-cyan);
  font-size: 1.4rem;
}

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

/* Hero Visual / Interactive Hologram Box */
.hero-visual-card {
  position: relative;
  background: var(--grad-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(16px);
  overflow: hidden;
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-cyan-purple);
}

.code-terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ff5f56; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #27c93f; }

.terminal-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.terminal-code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-glow);
  line-height: 1.7;
}

.terminal-code .code-prop { color: #f472b6; }
.terminal-code .code-val { color: var(--neon-cyan); }
.terminal-code .code-str { color: #34d399; }
.terminal-code .code-comment { color: #64748b; font-style: italic; }

.tech-orbit-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.orbit-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.orbit-chip:hover {
  border-color: var(--neon-cyan);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ==========================================================================
   PORTFOLIO SHOWCASE SECTION
   ========================================================================== */
.portfolio-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.4rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover {
  color: #ffffff;
}

.filter-btn.active {
  background: var(--bg-tertiary);
  color: var(--neon-cyan);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

/* Project Card */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(12px);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 242, 254, 0.35);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 242, 254, 0.15);
}

.card-banner {
  height: 180px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0d1224;
}

.banner-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-size: 24px 24px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

.banner-glow-orb {
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  filter: blur(35px);
  opacity: 0.6;
}

.card-banner-icon {
  position: relative;
  z-index: 2;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(10, 14, 30, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.banner-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(8, 12, 24, 0.85);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  backdrop-filter: blur(8px);
}

.card-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.6rem;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.card-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-dim);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

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

.live-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--neon-cyan);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.live-link:hover {
  color: #ffffff;
  text-shadow: 0 0 10px var(--neon-cyan-glow);
}

.details-trigger-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.details-trigger-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: var(--border-active);
}

/* ==========================================================================
   SERVICES & TECH STACK SECTION
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: var(--transition-smooth);
  backdrop-filter: blur(12px);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-active);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.5);
}

.service-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-cyan);
  margin-bottom: 1.5rem;
}

.service-card:nth-child(2) .service-icon-box {
  background: rgba(121, 40, 202, 0.1);
  border-color: rgba(121, 40, 202, 0.3);
  color: #a78bfa;
}

.service-card:nth-child(3) .service-icon-box {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.service-card:nth-child(4) .service-icon-box {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-features {
  list-style: none;
}

.service-features li {
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.service-features li svg {
  color: var(--neon-cyan);
  flex-shrink: 0;
}

/* ==========================================================================
   INTERACTIVE ESTIMATOR / CALCULATOR
   ========================================================================== */
.estimator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.estimator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-cyan-purple);
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.calc-group {
  margin-bottom: 2rem;
}

.calc-label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.scope-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.scope-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-smooth);
}

.scope-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 242, 254, 0.3);
}

.scope-btn.active {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

.scope-btn-title {
  font-weight: 700;
  font-size: 0.88rem;
  color: #ffffff;
  display: block;
  margin-bottom: 0.2rem;
}

.scope-btn-desc {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* Feature Checkboxes */
.addons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.addon-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
  user-select: none;
}

.addon-label:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.addon-label input[type="checkbox"] {
  accent-color: var(--neon-cyan);
  width: 16px;
  height: 16px;
}

.addon-label.active {
  border-color: var(--neon-cyan);
  color: #ffffff;
  background: rgba(0, 242, 254, 0.08);
}

/* Estimator Result Box */
.calc-result-box {
  background: var(--bg-secondary);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  position: sticky;
  top: 100px;
}

.calc-price-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.calc-price-val {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.calc-price-val span {
  font-size: 1.1rem;
  color: var(--neon-cyan);
}

.calc-delivery-time {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #34d399;
  margin-bottom: 1.5rem;
}

.calc-breakdown-list {
  list-style: none;
  margin-bottom: 1.75rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

.calc-breakdown-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.calc-breakdown-list li strong {
  color: #ffffff;
}

/* ==========================================================================
   CONTACT SECTION & WORKING FORM
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(12px);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-cyan);
  flex-shrink: 0;
}

.contact-info-title {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.contact-info-value {
  color: #ffffff;
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.contact-info-value:hover {
  color: var(--neon-cyan);
}

.company-badge-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 2rem;
}

.company-badge-box .comp-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.company-badge-box .comp-ssm {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #34d399;
}

/* Contact Form */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  position: relative;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-glow);
  margin-bottom: 0.5rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(6, 8, 19, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px var(--neon-cyan-glow);
  background: rgba(10, 14, 30, 0.95);
}

.form-select option {
  background: #0d1224;
  color: #ffffff;
}

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

/* Form Status Message Alert */
.form-status-alert {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
  animation: fadeIn 0.3s ease;
}

.form-status-alert.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
}

.form-status-alert.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
}

/* Anti-Spam Honeypot field (hidden from real users) */
.hp-field {
  display: none !important;
  visibility: hidden !important;
}

/* ==========================================================================
   PROJECT DETAIL MODAL
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 12, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: #0b0f20;
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: var(--radius-lg);
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 242, 254, 0.15);
  position: relative;
  transform: translateY(20px) scale(0.96);
  transition: var(--transition-smooth);
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  color: #ef4444;
}

.modal-header-banner {
  height: 180px;
  position: relative;
  overflow: hidden;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.modal-body {
  padding: 2.25rem;
}

.modal-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.modal-metric-card .num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--neon-cyan);
}

.modal-metric-card .lbl {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.architecture-bullets {
  list-style: none;
  margin: 1rem 0 2rem;
}

.architecture-bullets li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.architecture-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--neon-cyan);
  font-size: 1.1rem;
  line-height: 1.4;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #03050a;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 1rem 0 1.5rem;
  max-width: 360px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--neon-cyan);
  padding-left: 4px;
}

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

/* Keyframe Animations */
@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.65;
  }
}

/* ==========================================================================
   NEW BUSINESS ARCHITECTURE SECTIONS
   ========================================================================== */

/* Formula & Workflow Strip */
.formula-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--neon-cyan);
}

.formula-step {
  font-weight: 700;
  color: #ffffff;
}

.formula-arrow {
  color: var(--neon-cyan);
  font-size: 1.1rem;
}

/* Why Us / 4 Pillars Grid */
.pillars-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.pillar-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-active);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.5);
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--neon-cyan);
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: rgba(0, 242, 254, 0.08);
  border-radius: var(--radius-sm);
}

.pillar-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.pillar-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Process Steps Grid (From Concept to Launch) */
.process-grid-5 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.25rem;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  position: relative;
  transition: var(--transition-smooth);
}

.process-card:hover {
  border-color: rgba(0, 242, 254, 0.4);
  transform: translateY(-4px);
}

.process-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.process-heading {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.process-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Tech Stack Grid */
.tech-stack-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.tech-stack-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition-smooth);
}

.tech-stack-box:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-3px);
}

.tech-stack-cat {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.tech-stack-items {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.6;
}

/* Personas / Who We Work With Grid */
.personas-grid-5 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.persona-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  transition: var(--transition-smooth);
}

.persona-card:hover {
  border-color: rgba(121, 40, 202, 0.4);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  transform: translateY(-3px);
}

.persona-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.persona-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Consultation / Not Sure Box */
.not-sure-card {
  background: linear-gradient(135deg, rgba(20, 28, 58, 0.8) 0%, rgba(12, 16, 36, 0.95) 100%);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  margin-top: 3.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  position: relative;
}

.not-sure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.not-sure-qlist {
  list-style: none;
  margin: 1.25rem 0;
}

.not-sure-qlist li {
  font-size: 0.95rem;
  color: var(--text-main);
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.6rem;
}

.not-sure-qlist li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--neon-cyan);
  font-weight: 700;
}

@media (max-width: 992px) {
  .not-sure-grid {
    grid-template-columns: 1fr;
  }
}


/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

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

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

@media (max-width: 900px) {
  .container {
    padding: 0 1.25rem;
  }

  .header-nav {
    height: 64px !important;
    background: rgba(6, 8, 19, 0.82) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07) !important;
  }

  .header-nav.scrolled {
    height: 60px !important;
    background: rgba(6, 8, 19, 0.94) !important;
    border-bottom: 1px solid rgba(0, 242, 254, 0.2) !important;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.65) !important;
  }

  .nav-container {
    padding: 0 1.25rem !important;
    gap: 0.75rem;
    height: 100%;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
  }

  .brand-link {
    display: flex;
    align-items: center;
    max-width: calc(100% - 100px);
    overflow: visible;
    padding: 2px 4px;
    margin-left: 0;
  }

  .brand-logo-img {
    height: 30px !important;
    width: auto !important;
    max-width: 220px !important;
    object-fit: contain;
    filter: drop-shadow(0 2px 10px rgba(0, 242, 254, 0.28)) !important;
    transition: transform 0.2s ease, filter 0.2s ease;
  }

  .brand-link:active .brand-logo-img {
    transform: scale(0.97);
  }

  .desktop-cta-btn {
    display: none !important;
  }

  .mobile-cta-item {
    display: block !important;
    width: 100%;
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
  }

  .sound-toggle-btn {
    width: 38px !important;
    height: 38px !important;
    border-radius: 11px !important;
    flex-shrink: 0;
    background: rgba(14, 20, 44, 0.7) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
  }

  .sound-toggle-btn.sound-on {
    border-color: rgba(0, 242, 254, 0.45) !important;
    background: rgba(0, 242, 254, 0.1) !important;
    box-shadow: 0 0 14px rgba(0, 242, 254, 0.3), inset 0 1px 0 rgba(0, 242, 254, 0.25) !important;
  }

  .mobile-nav-toggle {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 4.5px !important;
    width: 38px !important;
    height: 38px !important;
    flex-shrink: 0 !important;
    background: rgba(14, 20, 44, 0.7) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    border-radius: 11px !important;
    cursor: pointer;
    padding: 0;
    margin: 0;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
    transition: var(--transition-smooth);
    outline: none;
  }

  .mobile-nav-toggle:hover,
  .mobile-nav-toggle:focus-visible {
    background: rgba(22, 31, 66, 0.9) !important;
    border-color: rgba(0, 242, 254, 0.5) !important;
    box-shadow: 0 0 16px rgba(0, 242, 254, 0.3) !important;
  }

  .mobile-nav-toggle.active {
    background: rgba(0, 242, 254, 0.12) !important;
    border-color: var(--neon-cyan) !important;
    box-shadow: 0 0 18px rgba(0, 242, 254, 0.4), inset 0 1px 0 rgba(0, 242, 254, 0.3) !important;
  }

  .hamburger-line {
    display: block;
    width: 18px;
    height: 2px;
    background: #f8fafc;
    border-radius: 2px;
    margin: 0 !important;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, background-color 0.25s ease;
  }

  .mobile-nav-toggle.active .hamburger-line {
    background: var(--neon-cyan);
  }

  .mobile-nav-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }

  .mobile-nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .mobile-nav-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(6, 8, 19, 0.96);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    flex-direction: column;
    padding: 1.5rem 1.25rem 2rem;
    gap: 1.15rem;
    border-bottom: 1px solid rgba(0, 242, 254, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.85);
    transform: translateY(-120%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
    opacity: 0;
    pointer-events: none;
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu .nav-link {
    font-size: 1.05rem;
    padding: 0.5rem 0;
    width: 100%;
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  .hero-section {
    padding-top: calc(64px + 2.5rem) !important;
    padding-bottom: 3.5rem !important;
  }
}

@media (max-width: 768px) {
  section:not(.hero-section) {
    padding: 3.75rem 0 !important;
  }

  .hero-section {
    min-height: auto !important;
    padding-top: calc(64px + 2.25rem) !important;
    padding-bottom: 3.5rem !important;
  }

  .section-desc {
    margin-bottom: 2rem !important;
    font-size: 0.98rem;
  }

  .hero-badge-row {
    gap: 0.5rem !important;
    margin-bottom: 1.25rem !important;
  }

  .badge-live-status, .badge-reg {
    font-size: 0.76rem !important;
    padding: 0.35rem 0.75rem !important;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 2.35rem;
    line-height: 1.15;
  }

  .hero-grid {
    gap: 2.5rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }

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

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .modal-metrics-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-logo-img {
    height: 40px !important;
    max-width: 250px !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .nav-container {
    padding: 0 1rem !important;
    gap: 0.55rem;
  }

  .brand-logo-img {
    height: 28px !important;
  }

  .hero-section {
    padding-top: calc(64px + 2rem) !important;
    padding-bottom: 3rem !important;
  }
}

@media (max-width: 380px) {
  .nav-container {
    padding: 0 0.85rem !important;
  }

  .brand-link {
    max-width: calc(100% - 84px) !important;
  }

  .brand-logo-img {
    height: 24px !important;
    max-width: 175px !important;
  }

  .sound-toggle-btn {
    width: 35px !important;
    height: 35px !important;
    border-radius: 9px !important;
  }

  .mobile-nav-toggle {
    width: 35px !important;
    height: 35px !important;
    border-radius: 9px !important;
  }

  .hamburger-line {
    width: 15px;
  }
}

.filter-tabs {
  width: 100%;
  overflow-x: auto;
  flex-wrap: nowrap;
  padding-bottom: 0.6rem;
  -webkit-overflow-scrolling: touch;
}

.filter-btn {
  white-space: nowrap;
  flex-shrink: 0;
}