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

/* --- CUSTOM VARIABLES --- */
:root {
  --bg-deep: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --border-color: rgba(148, 163, 184, 0.16);
  --border-glow: rgba(6, 182, 212, 0.25);
  
  /* Accent Colors */
  --accent-cyan: #06b6d4;
  --accent-blue: #0061ff;
  --accent-gold: #ffaa00;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  
  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  /* Gradients */
  --grad-cyan-blue: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  --grad-gold: linear-gradient(135deg, #ffaa00 0%, #ff5500 100%);
  --grad-purple: linear-gradient(135deg, #8b5cf6 0%, #ef4444 100%);
  --grad-dark: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 1) 100%);
  
  /* Shadow Glows */
  --glow-cyan: 0 8px 25px rgba(6, 182, 212, 0.15);
  --glow-blue: 0 8px 25px rgba(0, 97, 255, 0.15);
  --glow-gold: 0 8px 25px rgba(255, 170, 0, 0.15);
  --glow-border: 0 4px 15px rgba(6, 182, 212, 0.08);
  
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-title: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 15px; /* High Density Base scale */
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* Custom Webkit Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.1);
  border-radius: 4px;
  border: 2px solid var(--bg-deep);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

body {
  position: relative;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

/* Background Cyber Grid Pattern */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 30% 20%, rgba(0, 97, 255, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.03) 0%, transparent 50%),
    linear-gradient(rgba(15, 23, 42, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 32px 32px, 32px 32px;
  z-index: -10;
  pointer-events: none;
}

/* Subtle laser scanning line effect */
.grid-scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0.06;
  z-index: -9;
  animation: scanline 8s linear infinite;
  pointer-events: none;
}

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

h1 {
  font-size: 3.2rem;
  font-weight: 800;
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(120deg, var(--text-primary) 40%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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

ul {
  list-style: none;
}

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

/* Section Common Styles */
section {
  padding: 6.5rem 2rem;
  position: relative;
  max-width: 1300px;
  margin: 0 auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 4rem;
}

.section-desc {
  max-width: 600px;
  margin: 0.5rem auto 0;
  font-size: 1.05rem;
}

/* --- GLASSMORPHISM MODULE --- */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.06);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.glass-panel:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-border), 0 15px 35px -8px rgba(15, 23, 42, 0.1);
}

/* --- BUTTONS & INTERACTIVES --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.85rem 1.8rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-cyan-blue);
  color: #fff;
  box-shadow: var(--glow-cyan);
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.3), 0 5px 15px rgba(0, 97, 255, 0.2);
  color: #fff;
}

.btn-secondary {
  background: rgba(148, 163, 184, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(148, 163, 184, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-glow-cyan::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: skewX(-20deg);
  transition: 0.75s;
}

.btn-glow-cyan:hover::before {
  left: 120%;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-cyan { background: rgba(0, 242, 254, 0.15); color: var(--accent-cyan); border: 1px solid rgba(0, 242, 254, 0.3); }
.badge-blue { background: rgba(0, 97, 255, 0.15); color: #60a5fa; border: 1px solid rgba(0, 97, 255, 0.3); }
.badge-gold { background: rgba(255, 170, 0, 0.15); color: var(--accent-gold); border: 1px solid rgba(255, 170, 0, 0.3); }
.badge-green { background: rgba(0, 230, 118, 0.15); color: var(--accent-green); border: 1px solid rgba(0, 230, 118, 0.3); }

/* --- HEADER / NAVBAR --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 65px;
  background: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav-container {
  width: 100%;
  max-width: 1300px;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--grad-cyan-blue);
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-title);
  box-shadow: var(--glow-cyan);
}

.logo-text {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  background: linear-gradient(to right, var(--text-primary) 60%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Translucent live banner in header */
.status-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid rgba(0, 230, 118, 0.2);
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-green);
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-dot 1.5s infinite;
}

nav ul {
  display: flex;
  gap: 2.2rem;
}

nav ul li a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
  transition: var(--transition-fast);
}

nav ul li a:hover {
  color: var(--text-primary);
}

nav ul li a:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* --- HERO SECTION --- */
.hero-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  padding-top: 8rem;
  min-height: calc(100vh - 65px);
}

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

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 1.2rem;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 40%, #0061ff 80%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 3.5rem;
}

/* High-Density Quick Specs Metrics in Hero */
.hero-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.spec-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-title);
}

.spec-value-accent {
  background: var(--grad-cyan-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Telemetry Dashboard in Hero (Right Column) */
.hero-telemetry {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.telemetry-card {
  width: 100%;
  max-width: 460px;
  padding: 1.8rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.16);
  position: relative;
  overflow: hidden;
}

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

.telemetry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.telemetry-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.telemetry-metric {
  background: rgba(248, 250, 252, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.12);
  padding: 0.85rem 1rem;
  border-radius: 6px;
  position: relative;
}

.metric-lbl {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0.2rem;
}

.metric-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.3rem;
}

.metric-change {
  font-size: 0.65rem;
  font-family: var(--font-mono);
}

.change-up { color: var(--accent-green); }
.change-down { color: var(--accent-red); }

/* SVG Graph area in Telemetry */
.telemetry-graph-wrap {
  margin-top: 1.5rem;
  background: rgba(248, 250, 252, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 6px;
  padding: 1rem;
}

.graph-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.svg-graph {
  width: 100%;
  height: 80px;
  display: block;
}

.svg-path-fill {
  fill: url(#graphGradient);
  opacity: 0.15;
}

.svg-path-line {
  stroke: var(--accent-cyan);
  stroke-width: 1.5px;
  fill: none;
}

.telemetry-footer-nodes {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.telemetry-pulse-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Background floating cyber components */
.glowing-orb {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.12) 0%, transparent 70%);
  z-index: -1;
  filter: blur(20px);
  pointer-events: none;
}

.orb-hero {
  right: -50px;
  top: -50px;
}

/* --- SERVICES COMMON GRID --- */
.services-tabs-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  padding: 2.2rem 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: 10px;
}

.card-header-icon {
  width: 50px;
  height: 50px;
  background: rgba(148, 163, 184, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.8rem;
  color: var(--accent-cyan);
  font-size: 1.4rem;
  transition: var(--transition-normal);
}

.service-card:hover .card-header-icon {
  background: var(--grad-cyan-blue);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-cyan);
}

.service-card-title {
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}

.service-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  flex-grow: 1;
}

.service-features-list {
  margin-bottom: 2.2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.feature-check {
  color: var(--accent-cyan);
  flex-shrink: 0;
  font-size: 0.9rem;
}

.feature-detail-mono {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- SERVICE 1: WiFi DETAILS --- */
.wifi-badge-speed {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.wifi-speed-gauge {
  background: rgba(248, 250, 252, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gauge-lbl {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.gauge-bar-container {
  width: 60%;
  height: 6px;
  background: rgba(15, 23, 42, 0.08);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.gauge-bar-fill {
  height: 100%;
  background: var(--grad-cyan-blue);
  border-radius: 3px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- SERVICE 2: VPS OPTIONS --- */
.vps-badge-host {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.vps-specs-table {
  background: rgba(248, 250, 252, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

.vps-spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 0.4rem 0;
}

.vps-spec-row:not(:last-child) {
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
}

.vps-spec-row span:first-child {
  color: var(--text-secondary);
  font-family: var(--font-sans);
}

.vps-spec-row span:last-child {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 500;
}

/* --- SERVICE 3: WEBSITE TIERING --- */
.web-badge-tier {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.tech-badges-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background: rgba(148, 163, 184, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
}

/* Highlight Gold Pricing details */
.card-price-panel {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-currency {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.card-price {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-title);
  color: var(--text-primary);
  line-height: 1;
}

.card-price-period {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
}

/* --- INTERACTIVE ESTIMATOR & CONFIGURATOR --- */
.calculator-section {
  position: relative;
  overflow: hidden;
}

.calc-grid-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  margin-top: 2rem;
}

.calc-panel {
  padding: 2.5rem;
}

.calc-group {
  margin-bottom: 2.2rem;
}

.calc-group-title {
  font-size: 1.15rem;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.calc-group-title i {
  color: var(--accent-cyan);
}

/* Selector Grids */
.calc-selector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.calc-select-card {
  padding: 1rem;
  border-radius: 6px;
  background: rgba(248, 250, 252, 0.6);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  text-align: center;
}

.calc-select-card:hover {
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(248, 250, 252, 0.95);
}

.calc-select-card.active {
  background: rgba(0, 242, 254, 0.05);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
}

.calc-card-name {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.calc-card-detail {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.calc-card-price {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-top: 0.4rem;
  font-weight: 600;
}

/* Styled Range Sliders */
.calc-range-wrapper {
  background: rgba(248, 250, 252, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.2rem 1.5rem;
}

.slider-telemetry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.slider-val {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.slider-el {
  width: 100%;
  height: 6px;
  background: rgba(15, 23, 42, 0.08);
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: var(--transition-fast);
}

.slider-el::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: var(--glow-cyan);
  transition: var(--transition-fast);
}

.slider-el::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* Styled Add-On Switch */
.calc-addons-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.calc-switch-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  background: rgba(248, 250, 252, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-normal);
}

.calc-switch-card:hover {
  border-color: rgba(15, 23, 42, 0.15);
}

.calc-switch-card.active {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.03);
}

.switch-info {
  display: flex;
  flex-direction: column;
}

.switch-label {
  font-size: 0.85rem;
  font-weight: 600;
}

.switch-desc {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.custom-switch {
  width: 40px;
  height: 22px;
  background: rgba(15, 23, 42, 0.12);
  border-radius: 11px;
  position: relative;
  transition: var(--transition-normal);
}

.calc-switch-card.active .custom-switch {
  background: var(--accent-cyan);
}

.switch-toggle-dot {
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
  transition: var(--transition-normal);
}

.calc-switch-card.active .switch-toggle-dot {
  left: 21px;
  background: #fff;
}

/* Receipt Quote Billing panel (Right Grid column) */
.calc-billing-panel {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  height: max-content;
}

.billing-head {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.2rem;
  margin-bottom: 1.5rem;
}

.billing-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
}

.billing-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 0.2rem;
}

.billing-items-list {
  flex-grow: 1;
  margin-bottom: 2rem;
}

.billing-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.billing-item-name {
  color: var(--text-secondary);
}

.billing-item-cost {
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-weight: 600;
}

.billing-total-row {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.billing-total-lbl {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.billing-total-val-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.billing-total-currency {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.billing-total-val {
  font-size: 2.4rem;
  font-weight: 800;
  font-family: var(--font-title);
  color: var(--text-primary);
  line-height: 1;
}

.billing-total-period {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.whatsapp-cta-btn {
  width: 100%;
  background: var(--grad-gold);
  color: #fff;
  border-radius: 6px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: var(--glow-gold);
  padding: 1rem;
  transition: var(--transition-normal);
}

.whatsapp-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(255, 170, 0, 0.4), 0 5px 15px rgba(255, 85, 0, 0.3);
}

.billing-disclaimer {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1rem;
  font-family: var(--font-mono);
}

/* --- TECH STACK HIGH DENSITY OVERVIEW --- */
.tech-stack-section {
  background: linear-gradient(185deg, var(--bg-deep) 0%, rgba(241, 245, 249, 0.8) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.tech-stack-card {
  padding: 1.5rem 1rem;
  text-align: center;
  border-radius: 6px;
}

.tech-stack-card i {
  font-size: 2rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
  transition: var(--transition-normal);
}

.tech-stack-card:hover i {
  color: var(--accent-cyan);
  transform: translateY(-4px) scale(1.1);
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.6));
}

.tech-name {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.tech-cat {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* --- CLIENT CASE LOGS (HIGH DENSITY TIMELINE/GRID) --- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.case-log-card {
  padding: 1.5rem;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.case-status-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.case-status-dot {
  width: 5px;
  height: 5px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-cyan);
}

.case-client {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.case-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.case-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  line-height: 1.5;
}

.case-specs {
  display: flex;
  gap: 0.5rem;
}

/* --- CONTACT SECTION --- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  margin-top: 2rem;
}

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

.contact-heading-area h2 {
  margin-bottom: 1rem;
}

.contact-channels {
  margin: 2rem 0;
}

.contact-channel-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  margin-bottom: 1.8rem;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background: rgba(148, 163, 184, 0.05);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.2rem;
}

.channel-lbl {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.channel-val {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.system-ping-box {
  background: rgba(248, 250, 252, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.ping-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.ping-item:last-child {
  margin-bottom: 0;
  color: var(--accent-cyan);
}

/* Premium Form Styling */
.contact-form {
  padding: 2.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

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

.form-group-full {
  grid-column: span 2;
}

.form-label {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-input {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.85rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-normal);
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.1);
  background: #ffffff;
}

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

.form-submit-btn {
  width: 100%;
}

/* --- FOOTER --- */
footer {
  background: #f1f5f9;
  border-top: 1px solid var(--border-color);
  padding: 4.5rem 2rem 2.5rem;
  position: relative;
}

.footer-grid {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand-area {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-title {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links li a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

.footer-systems-grid {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.footer-sys-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.footer-sys-row:last-child {
  margin-bottom: 0;
}

.footer-sys-label {
  color: var(--text-muted);
}

.footer-sys-val {
  color: var(--text-secondary);
}

.footer-sys-val.ok {
  color: var(--accent-green);
}

.footer-bottom {
  max-width: 1300px;
  margin: 0 auto;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.footer-meta-stats {
  display: flex;
  gap: 1.5rem;
}

/* --- ANIMATIONS & KEYFRAMES --- */
@keyframes scanline {
  0% { top: -5%; }
  100% { top: 105%; }
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 12px var(--accent-green); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

@keyframes pulse-card-border {
  0% { border-color: var(--border-color); }
  50% { border-color: rgba(0, 242, 254, 0.2); }
  100% { border-color: var(--border-color); }
}

/* --- MEDIA QUERIES (RESPONSIVE SCREEN SCALING) --- */

@media (max-width: 1200px) {
  html {
    font-size: 14px;
  }
  .hero-title {
    font-size: 3rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 992px) {
  section {
    padding: 4.5rem 1.5rem;
  }
  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-top: 6rem;
    text-align: center;
  }
  .hero-info {
    align-items: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-specs-grid {
    justify-content: center;
    width: 100%;
    max-width: 500px;
  }
  .services-tabs-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .calc-grid-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 1rem;
  }
  .hamburger {
    display: block;
    margin-right: 0.25rem;
  }
  nav {
    position: fixed;
    top: 65px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 65px);
    background: rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(16px);
    transition: var(--transition-normal);
    z-index: 999;
  }
  nav.active {
    left: 0;
  }
  nav ul {
    flex-direction: column;
    align-items: center;
    padding-top: 4rem;
    gap: 2.5rem;
  }
  nav ul li a {
    font-size: 1.2rem;
  }
  .nav-cta {
    display: none; /* Hide secondary elements in mobile view */
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .calc-selector-grid {
    grid-template-columns: 1fr;
  }
  .calc-addons-wrap {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group-full {
    grid-column: span 1;
  }
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  .cases-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}