/* ==========================================================================
   ScaleGate — Premium Landing Page Styles
   ========================================================================== */

/* --- CSS Variables --- */
:root {
  /* Colors */
  --bg-primary: #050508;
  --bg-secondary: #0a0a12;
  --bg-elevated: #111118;
  --bg-card: rgba(17, 17, 28, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);

  --text-primary: #f4f4f8;
  --text-secondary: #9898b0;
  --text-muted: #5c5c72;

  --accent-purple: #8b5cf6;
  --accent-blue: #3b82f6;
  --accent-pink: #ec4899;
  --accent-cyan: #22d3ee;

  --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 50%, #ec4899 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(59, 130, 246, 0.1));
  --gradient-border: linear-gradient(135deg, rgba(139, 92, 246, 0.6), rgba(59, 130, 246, 0.4), rgba(236, 72, 153, 0.5));

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Syne', var(--font-sans);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 60px rgba(139, 92, 246, 0.15);
  --blur-glass: blur(20px);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.loaded {
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  list-style: none;
}

button,
input,
textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

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

.glass {
  background: var(--bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* --- Preloader --- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-inner {
  text-align: center;
}

.preloader-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.preloader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.preloader-progress {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: 3px;
  animation: preloader-fill 1.2s ease forwards;
}

@keyframes preloader-fill {
  to { width: 100%; }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; filter: brightness(1); }
  50% { opacity: 0.7; filter: brightness(1.2); }
}

/* --- Cursor Glow --- */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}

body.loaded .cursor-glow {
  opacity: 1;
}

/* --- Ambient Background --- */
.ambient-lights {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.light {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float-light 20s ease-in-out infinite;
}

.light-1 {
  width: 500px;
  height: 500px;
  background: rgba(139, 92, 246, 0.12);
  top: -10%;
  left: -10%;
  animation-delay: 0s;
}

.light-2 {
  width: 400px;
  height: 400px;
  background: rgba(59, 130, 246, 0.1);
  top: 40%;
  right: -15%;
  animation-delay: -5s;
}

.light-3 {
  width: 350px;
  height: 350px;
  background: rgba(236, 72, 153, 0.08);
  bottom: 10%;
  left: 20%;
  animation-delay: -10s;
}

.light-4 {
  width: 300px;
  height: 300px;
  background: rgba(34, 211, 238, 0.06);
  bottom: 30%;
  right: 25%;
  animation-delay: -15s;
}

@keyframes float-light {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

.particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* --- Section Separator --- */
.separator {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) 0;
}

.separator span {
  display: block;
  width: 100%;
  max-width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.3), rgba(59, 130, 246, 0.3), transparent);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-2px);
}

.btn-cta {
  background: transparent;
  border: 1px solid transparent;
  background-image: linear-gradient(var(--bg-elevated), var(--bg-elevated)), var(--gradient-border);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  color: var(--text-primary);
  animation: border-glow 3s ease-in-out infinite;
}

.btn-cta:hover {
  background-image: var(--gradient-primary), var(--gradient-border);
  color: #fff;
  transform: translateY(-1px);
}

@keyframes border-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(139, 92, 246, 0.2); }
  50% { box-shadow: 0 0 30px rgba(59, 130, 246, 0.3); }
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn-submit {
  width: 100%;
  min-height: 52px;
}

.btn-submit.loading .btn-text {
  opacity: 0;
}

.btn-submit.loading .btn-loader {
  opacity: 1;
}

.btn-loader {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  opacity: 0;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Header / Navbar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
}

.header.scrolled {
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--gradient-primary);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-xl));
  padding-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: rgba(139, 92, 246, 0.15);
  top: 10%;
  left: -20%;
  animation: hero-pulse 8s ease-in-out infinite;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: rgba(59, 130, 246, 0.12);
  bottom: 0;
  right: -10%;
  animation: hero-pulse 8s ease-in-out infinite reverse;
}

@keyframes hero-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: blink 2s ease infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.avatar-stack {
  display: flex;
}

.avatar-stack span {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
  margin-left: -10px;
  background: var(--gradient-subtle);
}

.avatar-stack span:first-child { margin-left: 0; }
.avatar-stack span:nth-child(1) { background: linear-gradient(135deg, #8b5cf6, #6366f1); }
.avatar-stack span:nth-child(2) { background: linear-gradient(135deg, #3b82f6, #22d3ee); }
.avatar-stack span:nth-child(3) { background: linear-gradient(135deg, #ec4899, #f43f5e); }
.avatar-stack span:nth-child(4) { background: linear-gradient(135deg, #a855f7, #8b5cf6); }

/* Hero Mockup */
.hero-visual {
  position: relative;
}

.mockup-wrapper {
  position: relative;
  perspective: 1000px;
}

.mockup-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.2), transparent 70%);
  animation: mockup-glow 4s ease-in-out infinite;
}

@keyframes mockup-glow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.mockup-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: rotateY(-5deg) rotateX(2deg);
  transition: transform var(--transition-smooth);
  animation: mockup-float 6s ease-in-out infinite;
}

.mockup-wrapper:hover .mockup-card {
  transform: rotateY(0) rotateX(0);
}

@keyframes mockup-float {
  0%, 100% { transform: rotateY(-5deg) rotateX(2deg) translateY(0); }
  50% { transform: rotateY(-5deg) rotateX(2deg) translateY(-12px); }
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.mockup-url {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mockup-body {
  display: flex;
  min-height: 280px;
}

.mockup-sidebar {
  width: 56px;
  padding: 16px 12px;
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-sidebar span {
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.mockup-sidebar span.active {
  background: var(--gradient-primary);
  height: 24px;
}

.mockup-main {
  flex: 1;
  padding: 20px;
}

.mockup-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 100px;
  margin-bottom: 20px;
}

.mockup-chart .bar {
  flex: 1;
  height: var(--h);
  background: var(--gradient-primary);
  border-radius: 4px 4px 0 0;
  opacity: 0.8;
  animation: bar-grow 1.5s ease forwards;
}

@keyframes bar-grow {
  from { height: 0; }
  to { height: var(--h); }
}

.mockup-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.mini-card {
  height: 60px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
}

.mockup-line {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  margin-bottom: 8px;
}

.mockup-line.short { width: 60%; }

.float-card {
  position: absolute;
  padding: 12px 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  box-shadow: var(--shadow-md);
  animation: float-card 5s ease-in-out infinite;
}

.float-card-1 {
  top: 10%;
  left: -10%;
  color: var(--accent-cyan);
}

.float-card-2 {
  bottom: 15%;
  right: -5%;
  flex-direction: column;
  align-items: flex-start;
  animation-delay: -2s;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-purple);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.0625rem;
}

/* --- Stats --- */
.stats {
  z-index: 1;
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.stat-card {
  position: relative;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  text-align: center;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-glow);
}

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

.stat-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-sm);
  color: var(--accent-purple);
}

.stat-icon svg {
  width: 100%;
  height: 100%;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  display: inline;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-purple);
}

.stat-card .stat-label {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* --- Services --- */
.services {
  z-index: 1;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.service-card {
  position: relative;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(139, 92, 246, 0.25);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 40px rgba(139, 92, 246, 0.1);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  color: var(--accent-purple);
  transition: all var(--transition-smooth);
}

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

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: #fff;
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.card-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
  transition: left 0.6s ease;
}

.service-card:hover .card-shine {
  left: 150%;
}

/* --- Products --- */
.products {
  z-index: 1;
  position: relative;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.product-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow);
}

.product-card:hover::after {
  opacity: 1;
}

.product-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-smooth);
}

.product-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.4;
}

.product-card:hover .product-placeholder {
  transform: scale(1.05);
}

.gradient-1 { background: linear-gradient(135deg, #1e1b4b, #4c1d95); }
.gradient-2 { background: linear-gradient(135deg, #0c4a6e, #1d4ed8); }
.gradient-3 { background: linear-gradient(135deg, #831843, #be185d); }

.product-content {
  padding: var(--space-lg);
}

.product-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: var(--space-sm);
}

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border-radius: 100px;
}

.product-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.product-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.product-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-blue);
  transition: color var(--transition-fast);
}

.product-link:hover {
  color: var(--accent-pink);
}

/* --- Technologies --- */
.technologies {
  z-index: 1;
  position: relative;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.tech-badge {
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  cursor: default;
}

.tech-badge:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.2);
}

/* --- Portfolio --- */
.portfolio {
  z-index: 1;
  position: relative;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.portfolio-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.portfolio-placeholder {
  width: 100%;
  height: 100%;
  transition: transform 0.6s ease;
}

.portfolio-card:hover .portfolio-placeholder {
  transform: scale(1.08);
}

.p1 { background: linear-gradient(135deg, #312e81, #6366f1); }
.p2 { background: linear-gradient(135deg, #064e3b, #10b981); }
.p3 { background: linear-gradient(135deg, #7c2d12, #f97316); }
.p4 { background: linear-gradient(135deg, #1e3a5f, #0ea5e9); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 8, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-info {
  padding: var(--space-lg);
}

.portfolio-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-purple);
}

.portfolio-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0.25rem 0 0.5rem;
}

.portfolio-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* --- Why Choose Us --- */
.why {
  z-index: 1;
  position: relative;
  background: linear-gradient(180deg, transparent, rgba(139, 92, 246, 0.03), transparent);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.why-feature {
  padding: var(--space-lg);
  border-left: 2px solid rgba(139, 92, 246, 0.3);
  transition: all var(--transition-smooth);
}

.why-feature:hover {
  border-left-color: var(--accent-purple);
  padding-left: calc(var(--space-lg) + 8px);
  background: rgba(139, 92, 246, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.why-num {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-purple);
  margin-bottom: var(--space-sm);
}

.why-feature h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.why-feature p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* --- About --- */
.about {
  z-index: 1;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-card {
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  position: relative;
  z-index: 1;
}

.about-founders {
  display: flex;
  gap: -8px;
  margin-bottom: var(--space-md);
}

.form-error {
    color: #ef4444;
    margin-bottom: 12px;
    font-size: 14px;
}

.form-success {
    color: #22c55e;
    margin-top: 12px;
}

.founder-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
  margin-left: -16px;
}

.founder-avatar:first-child { margin-left: 0; }
.f1 { background: linear-gradient(135deg, #8b5cf6, #6366f1); }
.f2 { background: linear-gradient(135deg, #3b82f6, #22d3ee); }

.about-card-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.about-stats-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.about-stats-mini strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stats-mini span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.about-orbit {
  position: absolute;
  inset: -20%;
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: 50%;
  animation: orbit-spin 20s linear infinite;
}

@keyframes orbit-spin {
  to { transform: rotate(360deg); }
}

.about-content .section-tag {
  text-align: left;
}

.about-content .section-title {
  text-align: left;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.about-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.about-highlights li {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 100px;
  color: var(--text-primary);
}

/* --- Testimonials --- */
.testimonials {
  z-index: 1;
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.testimonial-card {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.2);
  box-shadow: var(--shadow-glow);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 0.875rem;
  letter-spacing: 2px;
  margin-bottom: var(--space-md);
}

.testimonial-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-card footer {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex-shrink: 0;
}

.t1 { background: linear-gradient(135deg, #4f46e5, #7c3aed); }
.t2 { background: linear-gradient(135deg, #db2777, #f43f5e); }
.t3 { background: linear-gradient(135deg, #059669, #14b8a6); }

.testimonial-card cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  font-size: 0.9375rem;
}

.testimonial-card footer span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --- Contact --- */
.contact {
  z-index: 1;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info .section-tag,
.contact-info .section-title {
  text-align: left;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

a.contact-item:hover {
  color: var(--accent-purple);
}

.contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-purple);
  flex-shrink: 0;
}

.contact-form {
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.form-success {
  text-align: center;
  color: #22c55e;
  font-size: 0.9375rem;
  margin-top: var(--space-sm);
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.3);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: var(--space-md) 0;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
}

.footer-social a:hover {
  background: var(--gradient-primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-nav h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-nav a:hover {
  color: var(--accent-purple);
}

.footer-cta h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-trust {
    justify-content: center;
  }

  .hero-visual {
    max-width: 520px;
    margin: 0 auto;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .about-content .section-tag,
  .about-content .section-title {
    text-align: center;
  }

  .about-content {
    text-align: center;
  }

  .about-highlights {
    justify-content: center;
  }

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

@media (max-width: 768px) {
  :root {
    --space-2xl: 4rem;
    --header-height: 64px;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(5, 5, 8, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-md);
    gap: 0.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    display: block;
    padding: 0.875rem 1rem;
    width: 100%;
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .products-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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

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

  .contact-info .section-tag,
  .contact-info .section-title {
    text-align: center;
  }

  .contact-info {
    text-align: center;
  }

  .contact-details {
    align-items: center;
  }

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

  .float-card-1 {
    left: 0;
  }

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

  .footer-brand p {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .services-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

  .stat-value {
    font-size: 2rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}