@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- CUSTOM PROPERTIES --- */
:root {
  /* Colors - Sleek Space Dark Theme */
  --bg-primary: hsl(222, 47%, 4%);
  --bg-secondary: hsl(222, 40%, 7%);
  --bg-tertiary: hsl(222, 35%, 11%);
  
  --accent-primary: hsl(142, 72%, 50%); /* Vibrant Mint Emerald */
  --accent-primary-rgb: 34, 197, 94;
  --accent-secondary: hsl(199, 89%, 48%); /* Neon Cyber Blue */
  --accent-secondary-rgb: 14, 165, 233;
  --accent-dim: hsla(142, 72%, 50%, 0.15);
  
  --text-primary: hsl(210, 40%, 98%);
  --text-secondary: hsl(215, 25%, 80%);
  --text-muted: hsl(215, 16%, 57%);
  
  --border-color: hsla(217, 30%, 20%, 0.6);
  --border-hover: hsla(142, 72%, 50%, 0.4);
  --border-glow: hsla(142, 72%, 50%, 0.1);
  
  --glass-bg: rgba(7, 10, 19, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  
  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET & BASIC STYLES --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

p {
  color: var(--text-secondary);
  font-weight: 400;
}

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

/* --- REUSABLE UTILITIES --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-primary) 70%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-alt {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.3);
  color: var(--accent-primary);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(var(--accent-primary-rgb), 0.1);
  animation: pulse-glow 3s infinite ease-in-out;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(var(--accent-primary-rgb), 0.25);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.25) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-20deg);
  transition: var(--transition-slow);
  pointer-events: none;
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(var(--accent-primary-rgb), 0.4);
  transform: translateY(-2px);
}

.btn-primary:hover::after {
  left: 120%;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-2px);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem auto;
}

.section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  margin-top: 0.5rem;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* --- NAVIGATION --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 10, 19, 0.7);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

header.scrolled {
  background: rgba(4, 6, 12, 0.85);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
}

.logo svg {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 8px rgba(var(--accent-primary-rgb), 0.3));
  transition: transform var(--transition-normal);
}

.logo:hover svg {
  transform: rotate(-10deg) scale(1.1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-primary);
  transition: width var(--transition-normal);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.mobile-only {
  display: none;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 110;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-normal);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
  background: radial-gradient(circle at 50% 30%, hsla(199, 89%, 48%, 0.08) 0%, transparent 60%);
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: all;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 4rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-slogan {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
  line-height: 1.4;
  text-shadow: 0 0 20px rgba(14, 165, 233, 0.15);
}

.hero-desc {
  font-size: 1.2rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  width: 100%;
}

/* Floating Tech Visual on Hero Right */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
}

.hero-sphere {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(var(--accent-primary-rgb), 0.15), transparent 70%);
  border: 1px dashed rgba(var(--accent-primary-rgb), 0.25);
  display: flex;
  justify-content: center;
  align-items: center;
  animation: rotate-slow 20s infinite linear;
  box-shadow: 0 0 50px rgba(var(--accent-primary-rgb), 0.05);
}

.hero-sphere-inner {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle at 70% 70%, rgba(var(--accent-secondary-rgb), 0.2), transparent 70%);
  border: 1px solid rgba(var(--accent-secondary-rgb), 0.3);
  animation: rotate-reverse 12s infinite linear;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-sphere-core {
  width: 80px;
  height: 80px;
  background: var(--bg-tertiary);
  border: 1px solid var(--accent-primary);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  filter: drop-shadow(0 0 20px rgba(var(--accent-primary-rgb), 0.4));
  animation: float 4s infinite ease-in-out;
}

.hero-sphere-core svg {
  width: 40px;
  height: 40px;
  fill: var(--accent-primary);
}

/* --- TRUST/STATS BANNER --- */
.stats-banner {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 0;
  position: relative;
  z-index: 10;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- SERVICES SHOWROOM --- */
.services {
  padding: 8rem 0;
  background-color: var(--bg-primary);
  position: relative;
  z-index: 2;
}

.services-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 4rem;
  align-items: start;
}

.services-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: sticky;
  top: 120px;
}

.service-tab-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 1.25rem 1.75rem;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.service-tab-btn svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  transition: inherit;
}

.service-tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--bg-tertiary);
  transform: translateX(5px);
}

.service-tab-btn.active {
  color: var(--accent-primary);
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.05);
}

.services-content {
  perspective: 1000px;
}

.service-panel {
  display: none;
  animation: slide-up-fade 0.5s ease forwards;
}

.service-panel.active {
  display: block;
}

.panel-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  padding: 3.5rem;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.panel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.panel-icon-wrap {
  width: 60px;
  height: 60px;
  background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-icon-wrap svg {
  width: 32px;
  height: 32px;
  fill: var(--accent-primary);
}

.panel-title h3 {
  font-size: 1.8rem;
  margin-bottom: 0.25rem;
}

.panel-title p {
  color: var(--accent-secondary);
  font-weight: 500;
  font-size: 0.95rem;
}

.panel-body-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.feature-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 12px;
  transition: all var(--transition-normal);
}

.feature-box:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.feature-box h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-box h4 svg {
  width: 18px;
  height: 18px;
  fill: var(--accent-primary);
}

.feature-box p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.tech-badges-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.tech-badges-wrap span {
  font-size: 0.8rem;
}

.tech-tag {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-weight: 600;
}

/* --- ARCHITECTURE SANDBOX --- */
.sandbox {
  padding: 8rem 0;
  background-color: var(--bg-secondary);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.sandbox-container {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 4rem;
  align-items: center;
}

.sandbox-interactive {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem;
  min-height: 480px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6);
}

.sandbox-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.sandbox-connections-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.sandbox-connections-svg path {
  fill: none;
  stroke: var(--border-color);
  stroke-width: 2;
  transition: stroke 0.5s ease, stroke-width 0.5s ease;
  stroke-dasharray: 6 4;
}

.sandbox-connections-svg path.active {
  stroke: var(--accent-primary);
  stroke-width: 3;
  stroke-dasharray: none;
  animation: flow-line 2s infinite linear;
}

.sandbox-row {
  display: flex;
  justify-content: space-around;
  position: relative;
  z-index: 3;
  width: 100%;
}

.sandbox-node {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  width: 150px;
}

.sandbox-node svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  transition: transform var(--transition-normal);
}

.sandbox-node:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.sandbox-node:hover svg {
  transform: scale(1.1);
}

.sandbox-node.selected {
  background: var(--accent-dim);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 25px rgba(var(--accent-primary-rgb), 0.2);
}

.sandbox-sidebar {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sandbox-details-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
  animation: slide-up-fade 0.4s ease forwards;
}

.sandbox-details-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.sandbox-details-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sandbox-details-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--accent-primary);
}

.sandbox-details-header h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.sandbox-details-card p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.sandbox-code-preview {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 8px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  color: #38bdf8;
  white-space: pre-wrap;
  border-left: 4px solid var(--accent-primary);
}

/* --- WHY TECNEP (NEPAL ADVANTAGE) --- */
.why-us {
  padding: 8rem 0;
  background-color: var(--bg-primary);
  position: relative;
  z-index: 2;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.why-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.why-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-tertiary);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.why-icon {
  width: 54px;
  height: 54px;
  background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-icon svg {
  width: 26px;
  height: 26px;
  fill: var(--accent-primary);
}

.why-card h3 {
  font-size: 1.4rem;
  color: var(--text-primary);
}

.why-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- CONTACT SECTION --- */
.contact {
  padding: 8rem 0;
  background-color: var(--bg-secondary);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-color);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-details-wrap {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 2.5rem 0;
}

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

.contact-item-icon {
  width: 46px;
  height: 46px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

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

.contact-item-text h4 {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

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

.nepal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.3);
  color: hsl(0, 85%, 65%);
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
}

.nepal-badge svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.contact-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 3.5rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.9rem 1.25rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(var(--accent-primary-rgb), 0.15);
  background: rgba(255, 255, 255, 0.02);
}

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

.form-loader {
  display: none;
  align-items: center;
  gap: 0.75rem;
  color: var(--accent-primary);
  font-weight: 500;
  font-size: 0.95rem;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(var(--accent-primary-rgb), 0.2);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: rotate-slow 1s infinite linear;
}

.form-success-msg {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  animation: slide-up-fade 0.4s ease forwards;
}

.form-success-icon {
  width: 60px;
  height: 60px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.2);
}

.form-success-icon svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.form-success-msg h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.form-success-msg p {
  color: var(--text-secondary);
}

/* --- FOOTER --- */
footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 3rem 0;
  position: relative;
  z-index: 2;
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul a {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.footer-col ul a:hover {
  color: var(--accent-primary);
  padding-left: 3px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom-links a:hover {
  color: var(--accent-primary);
}

/* --- KEYFRAME ANIMATIONS --- */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(var(--accent-primary-rgb), 0.1);
    border-color: rgba(var(--accent-primary-rgb), 0.3);
  }
  50% {
    box-shadow: 0 0 25px rgba(var(--accent-primary-rgb), 0.25);
    border-color: rgba(var(--accent-primary-rgb), 0.6);
  }
}

@keyframes rotate-slow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes rotate-reverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

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

@keyframes slide-up-fade {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes flow-line {
  0% {
    stroke-dashoffset: 24;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@media (max-width: 1080px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-content {
    align-items: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    display: none;
  }
  
  /* Mobile Navigation Drawer */
  .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(7, 10, 19, 0.98);
    padding: 2.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    gap: 1.5rem;
    align-items: stretch;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    
    /* Animation initial states */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }
  
  .nav-links.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .mobile-only {
    display: block;
  }

  .services-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .services-nav {
    flex-direction: row;
    overflow-x: auto;
    position: static;
    padding-bottom: 1rem;
    -webkit-overflow-scrolling: touch;
  }
  .service-tab-btn {
    flex-shrink: 0;
  }
  .sandbox-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .sandbox-details-card {
    min-height: auto;
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
  .why-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
  .nav-actions .btn-secondary {
    display: none;
  }
  .form-group-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  .footer-bottom-links {
    flex-direction: column;
    gap: 1rem;
  }
  .panel-card {
    padding: 2rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* --- TESTIMONIALS SECTION --- */
.testimonials {
  padding: 8rem 0;
  background-color: var(--bg-primary);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-color);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.testimonial-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 3rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  transition: all var(--transition-normal);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1.5rem;
  right: 2.5rem;
  font-size: 8rem;
  font-family: Georgia, serif;
  color: rgba(34, 197, 94, 0.05);
  line-height: 1;
  pointer-events: none;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(var(--accent-primary-rgb), 0.08);
}

.testimonial-rating {
  display: flex;
  gap: 0.35rem;
  color: var(--accent-primary);
}

.testimonial-rating svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.testimonial-quote {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-style: italic;
}

.testimonial-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: auto;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.testimonial-info h4 {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.testimonial-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.testimonial-tag {
  background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
  color: var(--accent-primary);
  padding: 0.3rem 0.85rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-heading);
}

@media (max-width: 992px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .testimonial-card {
    padding: 2rem;
  }
}

/* --- PORTFOLIO SECTION --- */
.portfolio {
  padding: 8rem 0;
  background-color: var(--bg-secondary);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-color);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.portfolio-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-primary);
  box-shadow: 0 25px 50px rgba(var(--accent-primary-rgb), 0.1);
}

.portfolio-image-wrapper {
  height: 280px;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: all var(--transition-slow);
}

.portfolio-card:hover .portfolio-img {
  transform: scale(1.04);
  filter: brightness(1.05);
}

.portfolio-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}

.portfolio-category {
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-secondary);
}

.portfolio-content h3 {
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.portfolio-content p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.portfolio-tech span {
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-heading);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.portfolio-card:hover .portfolio-tech span {
  border-color: rgba(34, 197, 94, 0.2);
  color: var(--accent-primary);
}

@media (max-width: 992px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .portfolio-image-wrapper {
    height: 220px;
  }
}