/* ==========================================================================
   SAVERON SOLUTIONS - HYPER-TECH DESIGN SYSTEM
   Theme: Quantum Obsidian & Cyber Cyan
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Outfit:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #050811;
  --bg-surface: #0a101f;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(22, 36, 65, 0.85);
  --bg-glass: rgba(10, 16, 31, 0.65);

  --cyan: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.35);
  --cyan-subtle: rgba(0, 240, 255, 0.1);

  --blue-primary: #3b82f6;
  --blue-glow: rgba(59, 130, 246, 0.35);
  
  --indigo: #6366f1;
  --purple: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.3);

  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.3);

  --border-light: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.3);
  --border-active: #00f0ff;

  --text-white: #ffffff;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* UI Tokens */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-glow-cyan: 0 0 25px rgba(0, 240, 255, 0.25);
  --shadow-glow-blue: 0 0 25px rgba(59, 130, 246, 0.25);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1280px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Cyber Background Grid & Ambient Glow */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 15% 15%, rgba(0, 240, 255, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(168, 85, 247, 0.06) 0%, transparent 55%),
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
}

::selection {
  background: rgba(0, 240, 255, 0.3);
  color: var(--cyan);
}

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

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

/* Container */
.container {
  width: min(calc(100% - 48px), var(--container-max));
  margin-inline: auto;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: all var(--transition-normal);
  padding: 20px 0;
}

.site-header.is-scrolled {
  padding: 12px 0;
  background: rgba(6, 11, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  height: 70px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter var(--transition-fast), transform var(--transition-fast);
}

.brand-link:hover .brand-logo {
  filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(0, 240, 255, 0.45));
  transform: scale(1.02);
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text-white);
  line-height: 1.1;
}

.brand-text span {
  display: block;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--cyan);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue-primary));
  transition: width var(--transition-normal);
  border-radius: 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-portal-link {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  padding: 7px 14px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.03);
  transition: all var(--transition-fast);
}

.nav-portal-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-subtle);
  transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 1.2rem;
}

/* Mobile Drawer Extra Items - hidden on desktop */
.nav-mobile-extra {
  display: none;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #0070f3 50%, #6366f1 100%);
  background-size: 200% 200%;
  color: #030712;
  font-weight: 800;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
}

.btn-primary:hover {
  background-position: right center;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
  color: #030712;
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--text-white);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.1);
  color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
  transform: translateY(-2px);
}

.btn-glow {
  position: relative;
}

.btn-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(90deg, var(--cyan), var(--indigo), var(--purple), var(--cyan));
  background-size: 300% 300%;
  border-radius: var(--radius-full);
  z-index: -1;
  animation: borderRotate 4s linear infinite;
  opacity: 0.7;
}

@keyframes borderRotate {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ==========================================================================
   Badges & Eyebrows
   ========================================================================== */
.cyber-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.cyber-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulseLight 2s infinite;
}

@keyframes pulseLight {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

/* ==========================================================================
   Hero Section & 3D Canvas
   ========================================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-3d-container {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

#hero-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 680px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-white);
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 20%, #00f0ff 65%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-btn-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Hero Live Cyber Terminal Card */
.hero-terminal {
  background: rgba(10, 16, 31, 0.75);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  padding: 24px;
  box-shadow: var(--shadow-card), 0 0 35px rgba(0, 240, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.hero-terminal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--indigo), transparent);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 16px;
}

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

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
}

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.terminal-line {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-line.cyan { color: var(--cyan); }
.terminal-line.dim { color: var(--text-dim); }
.terminal-line.green { color: var(--emerald); }

.terminal-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.stat-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1;
}

.stat-num span { color: var(--cyan); }

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: var(--font-mono);
}

/* ==========================================================================
   Section Layouts
   ========================================================================== */
.section {
  padding: 110px 0;
  position: relative;
  z-index: 2;
}

.section-darker {
  background: rgba(7, 12, 24, 0.6);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Services Grid & Interactive Cards
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}

.service-tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.service-tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(0, 240, 255, 0.08), transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-tech-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 240, 255, 0.15);
  background: var(--bg-card-hover);
}

.service-tech-card:hover::before {
  opacity: 1;
}

.card-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  color: var(--cyan);
  margin-bottom: 22px;
  transition: all var(--transition-fast);
}

.service-tech-card:hover .card-icon-wrap {
  background: var(--cyan);
  color: #030712;
  box-shadow: 0 0 20px var(--cyan);
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 12px;
}

.service-card-desc {
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

.service-tech-card:hover .service-tag {
  border-color: rgba(0, 240, 255, 0.2);
  color: var(--cyan);
}

/* ==========================================================================
   Interactive Tech Stack Visualizer
   ========================================================================== */
.tech-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.tech-tab-btn {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tech-tab-btn:hover, .tech-tab-btn.active {
  color: #030712;
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan);
}

.tech-content-panel {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.tech-content-panel.active {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tech-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition-fast);
}

.tech-item-card:hover {
  border-color: var(--cyan);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.tech-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  color: var(--cyan);
}

.tech-item-name {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-white);
  font-size: 1.05rem;
}

.tech-item-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Projects & Portfolio Showcase
   ========================================================================== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--cyan);
  color: var(--cyan);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 240, 255, 0.15);
}

.project-preview {
  height: 220px;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-visual-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image: radial-gradient(var(--cyan) 1px, transparent 1px);
  background-size: 16px 16px;
}

.project-category-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(6, 11, 20, 0.85);
  border: 1px solid var(--border-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  backdrop-filter: blur(8px);
}

.project-icon-large {
  font-size: 3.5rem;
  color: var(--cyan);
  filter: drop-shadow(0 0 15px rgba(0, 240, 255, 0.4));
  transition: transform var(--transition-normal);
}

.project-card:hover .project-icon-large {
  transform: scale(1.1) rotate(5deg);
}

.project-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 10px;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 20px;
}

.metric-val {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--cyan);
  font-size: 1.15rem;
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Interactive Project Cost Estimator
   ========================================================================== */
.estimator-card {
  background: rgba(10, 16, 31, 0.85);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 5vw, 50px);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card), 0 0 40px rgba(0, 240, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.estimator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--blue-primary), var(--purple));
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
}

.estimator-group {
  margin-bottom: 28px;
}

.estimator-group-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.estimator-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.est-option-label {
  display: block;
  cursor: pointer;
}

.est-option-label input {
  display: none;
}

.est-option-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.est-option-label input:checked + .est-option-box {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.est-opt-name {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-white);
}

.est-opt-check {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  color: transparent;
}

.est-option-label input:checked + .est-option-box .est-opt-check {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #030712;
}

.estimator-summary-panel {
  background: rgba(6, 11, 20, 0.8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.est-summary-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.est-price-display {
  margin-bottom: 24px;
}

.est-price-value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-white);
}

.est-price-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 4px;
}

.est-included-list {
  list-style: none;
  margin-bottom: 28px;
}

.est-included-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.est-included-list li span {
  color: var(--emerald);
  font-weight: bold;
}

/* ==========================================================================
   Engineering Process Timeline
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.process-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  transition: all var(--transition-normal);
}

.process-step-card:hover {
  border-color: var(--cyan);
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.process-step-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.1);
  line-height: 1;
  margin-bottom: 16px;
  transition: color var(--transition-fast);
}

.process-step-card:hover .process-step-num {
  color: var(--cyan);
}

.process-step-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 10px;
}

.process-step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Contact & Consultation Form
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: flex-start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-method-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.08);
  color: var(--cyan);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
}

.contact-method-label {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
}

.contact-method-val {
  font-weight: 700;
  color: var(--text-white);
  font-size: 1rem;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 44px);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card), 0 0 35px rgba(0, 240, 255, 0.1);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid .full-width {
  grid-column: 1 / -1;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-white);
}

.form-label b {
  color: var(--cyan);
}

.form-input, .form-select, .form-textarea {
  background: rgba(6, 11, 20, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text-white);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
  background: rgba(10, 16, 31, 0.9);
}

.form-status {
  min-height: 24px;
  margin-top: 14px;
  font-size: 0.92rem;
  font-family: var(--font-mono);
}

.form-status.success { color: var(--emerald); }
.form-status.error { color: #ef4444; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #03060c;
  border-top: 1px solid var(--border-light);
  padding: 80px 0 30px;
  position: relative;
  z-index: 2;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 16px;
  max-width: 360px;
  line-height: 1.7;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-list a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: var(--cyan);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Responsive Queries — IT-New (Comprehensive)
   Breakpoints: 1280px (large tablet/laptop), 1024px (tablet), 768px (mobile-large), 480px (mobile)
   ========================================================================== */

/* ---- Large Tablet / Small Laptop (≤1280px) ---- */
@media (max-width: 1280px) {
  .services-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

/* ---- Tablet Landscape (≤1024px) ---- */
@media (max-width: 1024px) {
  /* Container */
  .container {
    width: min(calc(100% - 40px), var(--container-max));
  }

  /* Hero */
  .hero-section {
    padding: 120px 0 80px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-title {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
  }
  .hero-terminal {
    max-width: 560px;
  }

  /* Sections */
  .section {
    padding: 80px 0;
  }

  /* Services */
  .services-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
  }

  /* Projects */
  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
  }

  /* Estimator */
  .estimator-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .estimator-summary-panel {
    flex-direction: row;
    gap: 24px;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .estimator-options {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Footer */
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  /* Nav actions — hide portal link text on tablet */
  .nav-portal-link {
    padding: 7px 10px;
    font-size: 0.75rem;
  }
}

/* ---- Mobile Large / Tablet Portrait (≤768px) ---- */
@media (max-width: 768px) {
  /* Navigation — slide-in drawer */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(6, 11, 20, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 24px 30px;
    gap: 8px;
    transition: right var(--transition-normal);
    border-left: 1px solid var(--border-light);
    z-index: 99;
    overflow-y: auto;
  }
  .nav-menu.is-open {
    right: 0;
  }
  .nav-link {
    width: 100%;
    padding: 12px 8px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  .mobile-toggle {
    display: block;
    z-index: 100;
  }
  .nav-actions {
    display: flex;
    align-items: center;
    margin-left: auto;
  }
  .nav-portal-link {
    display: none !important;
  }
  .nav-actions .btn {
    display: none !important;
  }

  /* Hero */
  .hero-section {
    padding: 100px 0 60px;
    min-height: auto;
  }
  .hero-title {
    font-size: clamp(2rem, 7vw, 3rem);
  }
  .hero-description {
    font-size: 1rem;
  }
  .hero-btn-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .hero-btn-row .btn {
    width: 100%;
    justify-content: center;
  }
  .terminal-stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Sections */
  .section {
    padding: 60px 0;
  }
  .section-header {
    margin-bottom: 40px;
  }
  .section-title {
    font-size: clamp(1.9rem, 6vw, 2.6rem);
  }

  /* Services Grid */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Tech Stack Tabs */
  .tech-tabs {
    gap: 8px;
  }
  .tech-tab-btn {
    font-size: 0.8rem;
    padding: 8px 14px;
  }
  .tech-content-panel.active {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
  }

  /* Projects Grid */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Portfolio filters */
  .portfolio-filters {
    gap: 6px;
  }
  .filter-btn {
    font-size: 0.78rem;
    padding: 6px 12px;
  }

  /* Estimator */
  .estimator-card {
    padding: 24px;
  }
  .estimator-options {
    grid-template-columns: 1fr 1fr;
  }
  .estimator-summary-panel {
    flex-direction: column;
  }

  /* Process Grid */
  .process-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
  .site-footer {
    padding: 60px 0 24px;
  }

  /* Cyber Badge */
  .cyber-badge {
    font-size: 0.72rem;
  }
}

/* ---- Mobile (≤480px) ---- */
@media (max-width: 480px) {
  /* Container narrower padding */
  .container {
    width: min(calc(100% - 28px), 100%);
  }

  /* Navigation */
  .nav-wrap {
    gap: 12px;
  }
  .brand-text {
    font-size: 0.95rem;
  }
  .brand-logo {
    height: 36px;
  }

  /* Hero */
  .hero-section {
    padding: 90px 0 50px;
  }
  .hero-title {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }
  .hero-description {
    font-size: 0.95rem;
  }
  .stat-num {
    font-size: 1.3rem;
  }

  /* Sections */
  .section {
    padding: 50px 0;
  }
  .section-title {
    font-size: clamp(1.7rem, 7vw, 2.2rem);
  }
  .section-subtitle {
    font-size: 0.96rem;
  }

  /* Cards */
  .service-tech-card {
    padding: 24px;
  }
  .project-body {
    padding: 20px;
  }
  .project-metrics {
    grid-template-columns: 1fr 1fr;
  }

  /* Process */
  .process-grid {
    grid-template-columns: 1fr;
  }

  /* Estimator */
  .estimator-options {
    grid-template-columns: 1fr;
  }
  .est-price-value {
    font-size: 1.8rem;
  }

  /* Buttons */
  .btn {
    font-size: 0.88rem;
    padding: 11px 22px;
  }

  /* Footer */
  .footer-brand p {
    max-width: 100%;
  }
}

/* ==========================================================================
   Inner Page Hero Padding (overrides inline styles at mobile breakpoints)
   ========================================================================== */
@media (max-width: 768px) {
  /* Reduce top padding on inner page hero sections */
  .section[style*="padding-top: 170px"] {
    padding-top: 110px !important;
  }
  .section[style*="padding-top: 17"] {
    padding-top: 100px !important;
  }
}

@media (max-width: 480px) {
  .section[style*="padding-top: 170px"] {
    padding-top: 90px !important;
  }
  .section[style*="padding-top: 17"] {
    padding-top: 85px !important;
  }
}

/* ==========================================================================
   Mobile Nav Overlay Backdrop — IT-New
   ========================================================================== */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 98;
  backdrop-filter: blur(2px);
  cursor: pointer;
}
.nav-overlay.is-visible {
  display: block;
}

/* ==========================================================================
   Header / Footer Responsive — IT-New Specifics
   ========================================================================== */
@media (max-width: 768px) {
  /* Remove both buttons from header on mobile */
  .nav-actions .nav-portal-link,
  .nav-portal-link {
    display: none !important;
  }
  .nav-actions .btn {
    display: none !important;
  }

  .nav-actions {
    display: flex;
    align-items: center;
    margin-left: auto;
    gap: 0;
  }

  /* Compact header padding */
  .site-header {
    padding: 13px 0;
  }
  .brand-text {
    font-size: 1.05rem;
    line-height: 1.1;
  }

  /* Mobile toggle at far right end */
  .mobile-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    font-size: 1.2rem;
    min-width: 42px;
    min-height: 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    margin-left: auto;
    flex-shrink: 0;
  }
  .mobile-toggle:hover {
    border-color: var(--cyan);
    color: var(--cyan);
  }

  /* Mobile Drawer Extra Items (both buttons kept inside open slider drawer) */
  .nav-mobile-extra {
    display: block !important;
    width: 100%;
  }
  .nav-mobile-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 14px 0 8px;
    width: 100%;
    list-style: none;
  }
  .nav-mobile-portal-link {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
    font-family: var(--font-mono);
    color: var(--cyan);
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid rgba(0, 240, 255, 0.25);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    text-decoration: none;
    transition: all var(--transition-fast);
  }
  .nav-mobile-portal-link:hover {
    background: rgba(0, 240, 255, 0.15);
    border-color: var(--cyan);
  }
  .nav-mobile-cta {
    display: flex !important;
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 12px 20px !important;
    font-size: 0.9rem !important;
  }

  /* Nav menu drawer label padding */
  .nav-menu {
    padding-top: 80px;
  }

  /* Footer bottom */
  .footer-bottom {
    padding-top: 20px;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 11px 0;
  }
  .brand-logo {
    height: 34px;
  }
  .brand-text {
    font-size: 0.95rem;
  }
  .brand-text span {
    font-size: 0.55rem;
  }
  .nav-wrap {
    gap: 0;
    justify-content: space-between;
  }
  .mobile-toggle {
    min-width: 40px;
    min-height: 40px;
    padding: 6px 10px;
    font-size: 1.15rem;
  }
}