/* ==========================================================================
   SV INFORMATICS — Official Web Experience Design System
   "Practical Technology. Dependable Support."
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Public+Sans:wght@300;400;500;600;700&family=Schibsted+Grotesk:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  /* Brand Color Tokens (From SV Informatics Visual Identity) */
  --pine-deep: #050b08;
  --pine-dark: #091712;
  --pine-card: #0d221a;
  --pine-surface: #132e23;
  --pine-primary: #16352b;
  --pine-light: #20483b;

  /* Accent & Status */
  --node-green: #2e9e6b;
  --node-green-bright: #38c785;
  --node-green-glow: rgba(46, 158, 107, 0.4);
  --node-green-subtle: rgba(46, 158, 107, 0.12);
  --node-green-border: rgba(46, 158, 107, 0.28);

  /* Neutrals */
  --text-white: #ffffff;
  --text-cloud: #eaefeb;
  --text-muted: #95a89e;
  --text-graphite: #3e4642;
  --text-ink: #0d1310;
  --border-glass: rgba(234, 239, 235, 0.08);
  --border-light: rgba(46, 158, 107, 0.2);

  /* Typography */
  --font-display: 'Schibsted Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Elevation & Curves */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;
  --shadow-glow: 0 0 35px rgba(46, 158, 107, 0.25);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.6);

  /* Layout */
  --container-max: 1240px;
  --header-height: 80px;
}

/* ==========================================================================
   Reset & Base Setup
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--pine-deep);
  color: var(--text-cloud);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #0d261b 0%, #060e0a 50%, #030604 100%);
  background-attachment: fixed;
  min-height: 100vh;
  min-height: 100dvh;
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
  border: none;
  outline: none;
}

/* Ambient Cybernetic Grid Overlay */
.ambient-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(46, 158, 107, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 158, 107, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 30%, black 40%, transparent 85%);
}

.site-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   Navigation Bar (Glassmorphic Top Bar)
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: rgba(5, 11, 8, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-svg {
  height: 38px;
  width: auto;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
  cursor: pointer;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 2px;
  background: var(--node-green);
  transition: transform 0.25s ease;
  transform-origin: center;
}

.nav-link:hover::after, .nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

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

.btn-pill-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background: rgba(234, 239, 235, 0.05);
  border: 1px solid rgba(234, 239, 235, 0.2);
  color: var(--text-white);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-pill-outline:hover {
  background: rgba(46, 158, 107, 0.15);
  border-color: var(--node-green);
  color: var(--text-white);
  box-shadow: 0 0 15px rgba(46, 158, 107, 0.3);
}

.btn-pill-outline .arrow-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  font-size: 0.75rem;
  transition: transform 0.25s ease, background 0.25s ease;
}

.btn-pill-outline:hover .arrow-icon {
  transform: translateX(3px);
  background: var(--node-green);
  color: var(--text-ink);
}

.btn-pill-solid {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 24px;
  border-radius: var(--radius-pill);
  background: var(--node-green);
  color: #030805;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 20px rgba(46, 158, 107, 0.35);
  cursor: pointer;
}

.btn-pill-solid:hover {
  background: var(--node-green-bright);
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(46, 158, 107, 0.55);
}

.menu-toggle {
  display: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-white);
  padding: 8px;
}

/* ==========================================================================
   SCROLLABLE HERO WITH 64-FRAME CCTV SEQUENCE (Mobile & Desktop Responsive)
   ========================================================================== */

.hero-scroll-track {
  position: relative;
  width: 100%;
  height: 135vh;
  margin-bottom: 0;
}

.hero-sticky-stage {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding-top: var(--header-height);
  padding-bottom: 24px;
}

.hero-canvas-viewport {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.95;
}

.hero-ambient-glow {
  position: absolute;
  top: 50%;
  left: 35%;
  transform: translate(-50%, -50%);
  width: 750px;
  height: 750px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 158, 107, 0.32) 0%, rgba(22, 53, 43, 0.18) 50%, transparent 75%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-canvas-gradient-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 35%, rgba(5, 11, 8, 0.7) 80%, rgba(5, 11, 8, 0.95) 100%);
  pointer-events: none;
  z-index: 2;
}

.hero-overlay-content {
  position: relative;
  z-index: 3;
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-content-box {
  max-width: 660px;
  background: rgba(5, 11, 8, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 36px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(46, 158, 107, 0.2);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(46, 158, 107, 0.12);
  border: 1px solid var(--node-green-border);
  color: var(--node-green-bright);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--node-green-bright);
  box-shadow: 0 0 10px var(--node-green-bright);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero-epic-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 2px;
  color: var(--text-white);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.hero-epic-title span {
  color: var(--node-green-bright);
  text-shadow: 0 0 35px rgba(56, 199, 133, 0.45);
}

.hero-tagline-lead {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 600;
  color: var(--text-cloud);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.hero-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.65;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero Bottom Bar */
.hero-footer-bar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(234, 239, 235, 0.08);
}

.social-links-bar {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-icon-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.social-icon-btn:hover {
  color: var(--node-green-bright);
}

.social-links-bar .separator {
  color: rgba(234, 239, 235, 0.2);
}

.mouse-scroll-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 1px;
}

.mouse-icon {
  width: 20px;
  height: 30px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
  display: flex;
  justify-content: center;
}

.mouse-wheel {
  width: 4px;
  height: 6px;
  background: var(--node-green-bright);
  border-radius: 2px;
  position: absolute;
  top: 5px;
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(36px) scale(0.985);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ==========================================================================
   Astra Platform Overview Container Card
   ========================================================================== */

.section-platform {
  padding: 16px 0 80px;
}

.card-platform-hero {
  position: relative;
  background: radial-gradient(ellipse at 50% 0%, #16352b 0%, #0d221a 45%, #081510 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 80px 48px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.card-platform-hero::before {
  content: '';
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 350px;
  background: radial-gradient(circle, rgba(46, 158, 107, 0.35) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.platform-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-white);
  max-width: 860px;
  margin: 0 auto 20px;
}

.platform-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.platform-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Trust / Partner Strip */
.trust-strip {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(234, 239, 235, 0.08);
}

.trust-title {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.partner-logo-grid {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 28px;
  opacity: 0.75;
}

.partner-tag {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: rgba(234, 239, 235, 0.5);
  transition: all 0.25s ease;
}

.partner-tag:hover {
  color: var(--node-green-bright);
  transform: translateY(-2px);
  opacity: 1;
}

/* ==========================================================================
   Card Section 1: "Simplify your security with our services"
   ========================================================================== */

.card-security-feature {
  margin-top: 48px;
  background: radial-gradient(ellipse at 80% 50%, #132e24 0%, #0a1913 55%, #060e0a 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.sub-category-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--node-green-bright);
  letter-spacing: 1px;
  margin-bottom: 12px;
  display: block;
}

.feature-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.2;
  margin-bottom: 18px;
}

.feature-body-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.service-interactive-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-pill-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 440px;
  padding: 14px 22px;
  background: rgba(14, 34, 26, 0.6);
  border: 1px solid rgba(234, 239, 235, 0.1);
  border-radius: var(--radius-pill);
  color: var(--text-cloud);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  transition: all 0.25s ease;
  cursor: pointer;
}

.service-pill-btn:hover, .service-pill-btn.active {
  background: rgba(46, 158, 107, 0.2);
  border-color: var(--node-green);
  color: var(--text-white);
  transform: translateX(6px);
  box-shadow: 0 0 20px rgba(46, 158, 107, 0.25);
}

.service-pill-btn .pill-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.service-pill-btn .pill-icon {
  color: var(--node-green-bright);
  font-size: 1.1rem;
}

.service-pill-btn .pill-arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease, color 0.2s ease;
}

.service-pill-btn:hover .pill-arrow, .service-pill-btn.active .pill-arrow {
  color: var(--node-green-bright);
  transform: translateX(3px);
}

/* Right Isometric Stage */
.security-visual-display {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.isometric-grid-stage {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(46, 158, 107, 0.15) 0%, transparent 70%);
  border: 1px solid rgba(46, 158, 107, 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.grid-lines-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(46, 158, 107, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 158, 107, 0.12) 1px, transparent 1px);
  background-size: 28px 28px;
  transform: perspective(600px) rotateX(45deg);
  transform-origin: center;
}

.isometric-rhombus {
  position: relative;
  z-index: 2;
  width: 130px;
  height: 130px;
  background: linear-gradient(135deg, #38c785 0%, #16352b 100%);
  border-radius: 28px;
  transform: rotate(45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 45px rgba(56, 199, 133, 0.5), inset 0 0 15px rgba(255, 255, 255, 0.4);
  animation: pulseRhombus 4s ease-in-out infinite alternate;
}

@keyframes pulseRhombus {
  0% { transform: rotate(45deg) scale(0.95); }
  100% { transform: rotate(45deg) scale(1.05); }
}

.isometric-rhombus-inner {
  transform: rotate(-45deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 2rem;
}

/* ==========================================================================
   Divider Banner: "Faster. Smarter. Built to Keep Working."
   ========================================================================== */

.section-statement {
  padding: 80px 0 40px;
  text-align: center;
}

.statement-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.statement-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* ==========================================================================
   Card Section 3: "Optimized for security" & 3D Isometric Stack
   ========================================================================== */

.card-layer-stack {
  margin-top: 48px;
  background: radial-gradient(ellipse at 70% 50%, #143025 0%, #0b1c15 50%, #060e0a 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.stack-perspective-container {
  position: relative;
  width: 100%;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
}

.iso-deck {
  position: relative;
  width: 300px;
  transform: rotateX(55deg) rotateZ(-35deg);
  transform-style: preserve-3d;
}

.iso-layer {
  position: absolute;
  width: 100%;
  height: 60px;
  background: rgba(14, 34, 26, 0.85);
  border: 1px solid rgba(46, 158, 107, 0.4);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-cloud);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
  cursor: pointer;
}

.iso-layer:hover {
  background: rgba(46, 158, 107, 0.3);
  border-color: var(--node-green-bright);
  box-shadow: 0 0 25px rgba(56, 199, 133, 0.5);
}

.iso-layer.layer-1 { top: 0px; transform: translateZ(120px); }
.iso-layer.layer-2 { top: 40px; transform: translateZ(90px); }
.iso-layer.layer-3 { top: 80px; transform: translateZ(60px); }
.iso-layer.layer-4 { top: 120px; transform: translateZ(30px); }
.iso-layer.layer-5 { top: 160px; transform: translateZ(0px); }

.iso-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--node-green-bright);
  box-shadow: 0 0 8px var(--node-green-bright);
}

/* ==========================================================================
   Dedicated Product Grids (6 Products)
   ========================================================================== */

.section-solutions {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .sub-category-tag {
  display: inline-block;
}

.section-header-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.section-header-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.solution-card {
  background: linear-gradient(180deg, rgba(17, 38, 29, 0.7) 0%, rgba(9, 20, 15, 0.9) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--node-green), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-8px);
  border-color: var(--node-green);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(46, 158, 107, 0.2);
}

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

.card-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(46, 158, 107, 0.15);
  border: 1px solid var(--node-green-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--node-green-bright);
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.solution-card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 12px;
}

.solution-card-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-cloud);
}

.spec-item-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--node-green-bright);
}

.card-action-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ==========================================================================
   THREE DEDICATED CONFIGURATOR PANELS
   ========================================================================== */

.section-estimator {
  padding: 80px 0;
}

.estimator-card {
  background: radial-gradient(ellipse at 50% 0%, #153327 0%, #0b1a13 50%, #060e0a 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 56px 44px;
  box-shadow: var(--shadow-card);
}

.estimator-tabs-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 32px 0 40px;
  flex-wrap: wrap;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  background: rgba(14, 34, 26, 0.6);
  border: 1px solid rgba(234, 239, 235, 0.15);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
}

.tab-btn:hover {
  background: rgba(46, 158, 107, 0.15);
  border-color: var(--node-green);
  color: var(--text-white);
}

.tab-btn.active {
  background: var(--node-green);
  border-color: var(--node-green);
  color: var(--text-ink);
  box-shadow: 0 0 25px rgba(46, 158, 107, 0.4);
}

.tab-btn .tab-icon {
  font-size: 1.1rem;
}

.estimator-panel {
  display: none;
  animation: fadeInPanel 0.35s ease forwards;
}

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

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
}

/* Contact section variant (was an inline style; moved here so breakpoints apply) */
.calc-grid--contact {
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-cloud);
  display: flex;
  justify-content: space-between;
}

.calc-value-pill {
  font-family: var(--font-mono);
  color: var(--node-green-bright);
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #142e23;
  accent-color: var(--node-green-bright);
  cursor: pointer;
}

/* Custom PC Pill Toggles */
.toggle-pill-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pill-toggle {
  flex: 1;
  padding: 10px 14px;
  background: rgba(10, 24, 18, 0.7);
  border: 1px solid rgba(46, 158, 107, 0.25);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
}

.pill-toggle:hover {
  background: rgba(46, 158, 107, 0.15);
  color: var(--text-white);
}

.pill-toggle.active {
  background: rgba(46, 158, 107, 0.25);
  border-color: var(--node-green-bright);
  color: var(--node-green-bright);
  box-shadow: 0 0 15px rgba(46, 158, 107, 0.2);
}

.calc-summary-box {
  background: rgba(10, 23, 18, 0.8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-summary-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(234, 239, 235, 0.1);
  padding-bottom: 12px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.summary-row.total {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-white);
  border-top: 1px dashed rgba(234, 239, 235, 0.15);
  padding-top: 16px;
  margin-top: 16px;
}

.summary-row.total .price-highlight {
  color: var(--node-green-bright);
  font-family: var(--font-mono);
}

/* Help & Consultation Callback Box */
.help-callback-card {
  margin-top: 18px;
  padding: 16px 18px;
  background: rgba(14, 34, 26, 0.45);
  border: 1px dashed rgba(46, 158, 107, 0.35);
  border-radius: var(--radius-md);
  text-align: center;
}

.help-text {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.help-text strong {
  color: var(--node-green-bright);
}

/* ==========================================================================
   Contact / Branch Offices Footer
   ========================================================================== */

.site-footer {
  background: #040906;
  border-top: 1px solid rgba(46, 158, 107, 0.2);
  padding: 80px 0 40px;
  position: relative;
  z-index: 2;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

/* Footer variant (was an inline style; moved here so breakpoints apply) */
.footer-top-grid--wide {
  grid-template-columns: 1.3fr 1fr 1fr;
}

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

.footer-col-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.footer-contact-item {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.footer-contact-item strong {
  color: var(--text-cloud);
}

.footer-bottom-bar {
  padding-top: 30px;
  border-top: 1px solid rgba(234, 239, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.gstin-tag {
  font-family: var(--font-mono);
  background: rgba(46, 158, 107, 0.1);
  border: 1px solid rgba(46, 158, 107, 0.2);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: var(--node-green-bright);
}

/* ==========================================================================
   Interactive Modals & Notifications
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 9, 6, 0.8);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-card {
  background: linear-gradient(135deg, #132e24 0%, #091711 100%);
  border: 1px solid var(--node-green-border);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  padding: 40px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(46, 158, 107, 0.3);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.08);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-cloud);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: var(--node-green);
  color: var(--text-ink);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-cloud);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(6, 14, 10, 0.8);
  border: 1px solid rgba(46, 158, 107, 0.3);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--node-green-bright);
  box-shadow: 0 0 10px rgba(56, 199, 133, 0.3);
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
}

/* Honeypot: invisible to humans, tempting to bots. Must never be visible. */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Inline form status message */
.form-status {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
  display: none;
}

.form-status.show { display: block; }

.form-status.success {
  background: rgba(46, 158, 107, 0.12);
  border: 1px solid rgba(46, 158, 107, 0.45);
  color: var(--node-green-bright);
}

.form-status.error {
  background: rgba(196, 84, 62, 0.12);
  border: 1px solid rgba(196, 84, 62, 0.45);
  color: #e8917c;
}

/* ==========================================================================
   Mobile & Responsive Breakpoints
   ========================================================================== */

/* Global overflow safety: nothing may push the page wider than the screen. */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}

img, svg, canvas, video {
  max-width: 100%;
}

/* --------------------------------------------------------------------------
   TABLET  (<= 1024px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .card-security-feature,
  .card-layer-stack,
  .calc-grid,
  .calc-grid--contact,
  .footer-top-grid,
  .footer-top-grid--wide {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content-box {
    max-width: 100%;
  }

  .solutions-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .platform-title,
  .statement-title,
  .section-header-title {
    font-size: clamp(1.9rem, 4.4vw, 2.8rem);
  }
}

/* --------------------------------------------------------------------------
   MOBILE  (<= 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* ---- Header: keep logo + CTA + toggle, scaled to fit ---- */
  .nav-inner {
    gap: 8px;
  }

  .brand-logo-svg {
    height: 30px;
  }

  .nav-actions {
    gap: 8px;
    flex-shrink: 0;
  }

  .nav-actions .btn-pill-solid {
    padding: 8px 14px;
    font-size: 0.76rem;
    letter-spacing: 0;
    gap: 6px;
    white-space: nowrap;
    box-shadow: 0 0 12px rgba(46, 158, 107, 0.3);
  }

  .nav-actions .btn-pill-solid .arrow-icon {
    font-size: 0.7rem;
  }

  .menu-toggle {
    display: block;
    padding: 6px;
    flex-shrink: 0;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(5, 11, 8, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border-light);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  .nav-menu.open {
    display: flex;
  }

  /* ---- Hero ---- */
  .hero-scroll-track {
    height: 122vh;
  }

  .hero-sticky-stage {
    padding-top: calc(var(--header-height) + 10px);
    padding-bottom: 16px;
  }

  .hero-ambient-glow {
    width: 420px;
    height: 420px;
    left: 50%;
    filter: blur(60px);
  }

  .hero-content-box {
    padding: 22px 16px;
    border-radius: var(--radius-lg);
    background: rgba(5, 11, 8, 0.72);
  }

  .hero-epic-title {
    font-size: clamp(1.9rem, 8.5vw, 2.4rem);
    letter-spacing: 1px;
    margin-bottom: 10px;
  }

  .hero-tagline-lead {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .hero-desc {
    font-size: 0.86rem;
    margin-bottom: 18px;
    line-height: 1.55;
  }

  .hero-cta-group {
    flex-wrap: wrap;
    gap: 10px;
  }

  .hero-cta-group .btn-pill-solid,
  .hero-cta-group .btn-pill-outline {
    flex: 1 1 auto;
    justify-content: center;
    padding: 11px 16px;
    font-size: 0.85rem;
  }

  .badge-pill {
    font-size: 0.66rem;
    padding: 4px 10px;
    margin-bottom: 14px;
    line-height: 1.4;
    text-align: left;
  }

  .hero-footer-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    padding-top: 12px;
  }

  .social-links-bar {
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.78rem;
    gap: 6px;
  }

  .mouse-scroll-indicator {
    font-size: 0.68rem;
  }

  /* ---- Section rhythm: tighter vertical spacing on phones ---- */
  .section-platform {
    padding: 8px 0 52px;
  }

  .section-statement {
    padding: 52px 0 28px;
  }

  .section-solutions {
    padding: 56px 0;
  }

  /* Contact section carries inline padding in the markup */
  #contact {
    padding-top: 28px !important;
    padding-bottom: 56px !important;
  }

  .section-header {
    margin-bottom: 36px;
  }

  /* ---- Cards & sections ---- */
  .card-platform-hero,
  .card-security-feature,
  .card-layer-stack,
  .estimator-card {
    padding: 32px 18px;
    border-radius: var(--radius-lg);
  }

  .card-platform-hero::before {
    width: 320px;
    height: 220px;
  }

  .platform-desc,
  .statement-desc,
  .section-header-desc {
    font-size: 0.95rem;
  }

  .platform-cta-row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .platform-cta-row .btn-pill-solid,
  .platform-cta-row .btn-pill-outline {
    width: 100%;
    justify-content: center;
  }

  /* ---- Partner / trust strip ---- */
  .partner-logo-grid {
    gap: 14px 18px;
    justify-content: center;
  }

  .partner-tag {
    font-size: 0.85rem;
    letter-spacing: 1px;
  }

  .trust-title {
    font-size: 0.68rem;
    letter-spacing: 1.5px;
  }

  /* ---- Service pills ---- */
  .service-pill-btn {
    padding: 12px 14px;
    font-size: 0.85rem;
  }

  .service-pill-btn .pill-left {
    gap: 10px;
  }

  /* ---- Isometric rhombus badge ---- */
  .security-visual-display {
    min-height: 240px;
  }

  .isometric-grid-stage {
    transform: scale(0.8);
  }

  /* ---- Isometric layer deck (kept, scaled to fit) ---- */
  .stack-perspective-container {
    height: 300px;
    overflow: hidden;
  }

  .iso-deck {
    width: 260px;
    transform: rotateX(55deg) rotateZ(-35deg) scale(0.78);
  }

  .iso-layer {
    font-size: 0.62rem;
  }

  /* ---- Product cards ---- */
  .solutions-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .solution-card {
    padding: 26px 20px;
  }

  .solution-card-title {
    font-size: 1.2rem;
  }

  .card-action-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .card-action-row .btn-pill-solid,
  .card-action-row .btn-pill-outline {
    width: 100%;
    justify-content: center;
  }

  /* ---- Configurators ---- */
  .section-estimator {
    padding: 56px 0;
  }

  .estimator-tabs-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin: 24px 0 28px;
  }

  .tab-btn {
    width: 100%;
    justify-content: center;
    padding: 12px 16px;
    font-size: 0.87rem;
  }

  .calc-grid,
  .calc-grid--contact {
    gap: 28px;
  }

  .calc-summary-box {
    padding: 26px 20px !important;
  }

  .summary-row {
    gap: 12px;
    font-size: 0.84rem;
    align-items: flex-start;
  }

  .summary-row span:last-child {
    text-align: right;
  }

  .summary-row.total {
    font-size: 1.05rem;
  }

  .calc-label {
    font-size: 0.85rem;
  }

  /* ---- Contact section (inline padding overridden) ---- */
  .calc-grid--contact > .estimator-card {
    padding: 28px 20px !important;
  }

  /* ---- Touch targets: comfortable tap sizes on phones ---- */
  .card-action-row .btn-pill-solid,
  .card-action-row .btn-pill-outline {
    padding: 12px 18px !important;
    font-size: 0.85rem !important;
  }

  .pill-toggle {
    padding: 12px 14px;
    flex: 1 1 100%;
  }

  /* Bigger tap area for sliders; visual track height unchanged */
  .range-slider {
    height: 26px;
    background: transparent;
    accent-color: var(--node-green-bright);
  }

  .range-slider::-webkit-slider-runnable-track {
    height: 8px;
    border-radius: 4px;
    background: #142e23;
  }

  .range-slider::-moz-range-track {
    height: 8px;
    border-radius: 4px;
    background: #142e23;
  }

  .range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    margin-top: -7px;
    border-radius: 50%;
    background: var(--node-green-bright);
    border: none;
  }

  .range-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border: none;
    border-radius: 50%;
    background: var(--node-green-bright);
  }

  .social-icon-btn {
    padding: 4px 2px;
    display: inline-block;
  }

  /* ---- Forms: 16px min stops iOS auto-zoom on focus ---- */
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px;
    width: 100%;
  }

  /* ---- Modal ---- */
  .modal-card {
    padding: 26px 18px;
    max-height: 88vh;
    overflow-y: auto;
  }

  /* ---- Footer ---- */
  .site-footer {
    padding: 56px 0 32px;
  }

  .footer-top-grid,
  .footer-top-grid--wide {
    gap: 32px;
    margin-bottom: 40px;
  }

  .footer-brand-desc {
    max-width: 100%;
  }

  .footer-bottom-bar {
    flex-direction: column;
    gap: 10px;
    text-align: center;
    font-size: 0.8rem;
  }
}

/* --------------------------------------------------------------------------
   SMALL PHONES  (<= 430px)
   -------------------------------------------------------------------------- */
@media (max-width: 430px) {
  .brand-logo-svg {
    height: 26px;
  }

  .nav-actions .btn-pill-solid {
    padding: 7px 11px;
    font-size: 0.7rem;
  }

  .hero-epic-title {
    font-size: 1.85rem;
    letter-spacing: 0.5px;
  }

  .hero-cta-group .btn-pill-solid,
  .hero-cta-group .btn-pill-outline {
    width: 100%;
    flex: 1 1 100%;
  }

  .partner-tag {
    font-size: 0.76rem;
  }

  .iso-deck {
    width: 230px;
    transform: rotateX(55deg) rotateZ(-35deg) scale(0.66);
  }

  .stack-perspective-container {
    height: 260px;
  }

  .isometric-grid-stage {
    transform: scale(0.68);
  }

  .summary-row {
    flex-direction: column;
    gap: 2px;
  }

  .summary-row span:last-child {
    text-align: left;
  }

  .summary-row.total {
    flex-direction: row;
    justify-content: space-between;
  }
}