/* ============ Variables & Reset ============ */
:root {
  --vs-deep-void: #0B0D11;
  --vs-command-deck: #161B22;
  --vs-ignition-orange: #FF6D00;
  --vs-telemetry-blue: #00A3FF;
  --vs-stellar-white: #F0F6FC;
  --vs-dust-gray: #8B949E;
  --vs-border: #30363D;
  --vs-gradient: linear-gradient(135deg, var(--vs-telemetry-blue), var(--vs-ignition-orange));
  --vs-glow-blue: rgba(0, 163, 255, 0.25);
  --vs-glow-orange: rgba(255, 109, 0, 0.25);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--vs-deep-void);
  color: var(--vs-stellar-white);
  overflow-x: hidden;
  line-height: 1.7;
}

::selection {
  background: var(--vs-telemetry-blue);
  color: var(--vs-deep-void);
}

a {
  color: var(--vs-telemetry-blue);
  text-decoration: none;
  transition: color .25s;
}

a:hover {
  color: var(--vs-ignition-orange);
}

img {
  max-width: 100%;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--vs-deep-void);
}

::-webkit-scrollbar-thumb {
  background: var(--vs-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--vs-dust-gray);
}

/* ============ Typography ============ */
h1, h2, h3, h4, h5, h6,
.font-display {
  font-family: 'Orbitron', sans-serif;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

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

/* Inline VyomSat logo styling - inherits font-size from context */
.vs-logo-inline {
  font-family: 'Orbitron', sans-serif;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
}

.vs-logo-inline .vs-vyom {
  color: var(--vs-stellar-white);
}

.vs-logo-inline .vs-sat {
  color: var(--vs-ignition-orange);
}

/* ---- Text color utilities ---- */
.text-vs-blue {
  color: var(--vs-telemetry-blue);
}

.text-vs-orange {
  color: var(--vs-ignition-orange);
}

.text-vs-white {
  color: var(--vs-stellar-white);
}

.text-vs-gray {
  color: var(--vs-dust-gray);
}

.text-vs-primary {
  color: var(--vs-text-primary);
}

/* ---- Heading size utilities ---- */
.heading-sm {
  font-size: 1.1rem;
}

.heading-md {
  font-size: 1.35rem;
}

.heading-lg {
  font-size: 1.4rem;
}

.heading-advisors {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

/* ============ Layout & Utilities ============ */
.section-padding {
  padding: 6rem 0;
}

.section-label {
  font-family: 'Orbitron', sans-serif;
  font-size: .75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--vs-telemetry-blue);
  margin-bottom: .75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--vs-dust-gray);
  max-width: 640px;
  font-size: 1.05rem;
}

.text-muted-custom {
  color: var(--vs-dust-gray) !important;
}

.section-hero-img {
  max-width: 60%;
  height: auto;
}

.section-hero-img-md {
  width: 600px;
  height: auto;
  margin-bottom: 1.5rem;
}

.shadow-blue {
  filter: drop-shadow(0 0 15px rgba(0, 163, 255, .9));
}

.shadow-orange {
  filter: drop-shadow(0 0 15px rgba(255, 109, 0, .9));
}

.section-bg-alt {
  background: rgba(22, 27, 34, .4);
}

.max-w-500 {
  max-width: 500px;
}

.max-w-600 {
  max-width: 600px;
}

.hr-border {
  border-color: var(--vs-border);
}

/* ---- Glow effects ---- */
.glow-blue {
  box-shadow: 0 0 20px var(--vs-glow-blue);
}

.glow-orange {
  box-shadow: 0 0 20px var(--vs-glow-orange);
}

.glow-blue-text {
  text-shadow: 0 0 20px var(--vs-glow-blue);
}

/* ---- Universal card glow ---- */
.vs-glow-card {
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.vs-glow-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 163, 255, .25), 0 0 50px rgba(0, 163, 255, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

/* Inner boxes (nested inside outer cards) - no glow normally */
.vs-glow-card .vs-glow-card,
.philosophy-box .vs-glow-card {
  box-shadow: none;
}

.vs-glow-card .vs-glow-card:hover,
.philosophy-box .vs-glow-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 15px rgba(0, 163, 255, .15), 0 0 30px rgba(0, 163, 255, .08), 0 4px 16px rgba(0, 0, 0, .25);
}

/* ---- Card inner color variants ---- */
.card-inner-blue {
  background: rgba(0, 163, 255, .06);
  border: 1px solid rgba(0, 163, 255, .12);
}

.card-inner-orange {
  background: rgba(255, 109, 0, .06);
  border: 1px solid rgba(255, 109, 0, .12);
}

.card-inner-blue-sm {
  background: rgba(0, 163, 255, .05);
  border: 1px solid rgba(0, 163, 255, .12);
  border-radius: 10px;
}

.card-inner-orange-sm {
  background: rgba(255, 109, 0, .05);
  border: 1px solid rgba(255, 109, 0, .12);
  border-radius: 10px;
}

/* ---- Badge variants ---- */
.badge-blue {
  background: rgba(0, 163, 255, .12);
  color: var(--vs-telemetry-blue);
}

.badge-orange {
  background: rgba(255, 109, 0, .12);
  color: var(--vs-ignition-orange);
}

.badge-blue-strong {
  background: rgba(0, 163, 255, .2);
  color: var(--vs-telemetry-blue);
}

.badge-blue-status {
  background: rgba(0, 163, 255, .15);
  color: var(--vs-telemetry-blue);
  font-size: .65rem;
  letter-spacing: 1px;
}

.badge-orange-status {
  background: rgba(255, 109, 0, .15);
  color: var(--vs-ignition-orange);
  font-size: .65rem;
  letter-spacing: 1px;
}

.badge-gray {
  background: rgba(139, 148, 158, .12);
  color: var(--vs-dust-gray);
  font-size: .65rem;
  letter-spacing: 1px;
}

/* ---- Icon color utilities ---- */
.icon-blue {
  color: var(--vs-telemetry-blue);
}

.icon-orange {
  color: var(--vs-ignition-orange);
}

.icon-gray-faded {
  color: var(--vs-dust-gray);
  opacity: .5;
}

/* ---- Border color utilities ---- */
.border-vs-orange {
  border-color: rgba(255, 109, 0, .25) !important;
}

.border-vs-blue {
  border-color: rgba(0, 163, 255, .2) !important;
}

/* ============ Components: Navbar ============ */
.navbar-vyom {
  background: linear-gradient(90deg, rgba(11,13,17,.92) 0%, rgba(22,27,34,.88) 40%, rgba(11,17,28,.9) 70%, rgba(15,12,20,.92) 100%);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,109,0,.15);
  box-shadow: 0 2px 20px rgba(255,109,0,.1), 0 1px 8px rgba(255,109,0,.06), 0 4px 30px rgba(0,0,0,.4);
  padding: .75rem 0;
  transition: background .3s, box-shadow .3s;
}

.navbar-vyom.scrolled {
  box-shadow: 0 2px 25px rgba(255,109,0,.15), 0 1px 10px rgba(255,109,0,.08), 0 4px 40px rgba(0,0,0,.5);
}

.navbar-vyom .navbar-brand {
  font-family: 'Orbitron', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--vs-stellar-white);
  letter-spacing: 2px;
}

.navbar-toggler:focus,
.navbar-toggler:active {
  outline: none !important;
  box-shadow: none !important;
  border: none !important;
}

.navbar-vyom .navbar-brand span {
  color: var(--vs-ignition-orange);
}

.navbar-logo-icon {
  height: 28px;
  width: auto;
  margin-right: 8px;
  vertical-align: middle;
}

.navbar-vyom .nav-link {
  color: var(--vs-dust-gray);
  font-size: .875rem;
  font-weight: 500;
  padding: .5rem 1rem !important;
  transition: color .25s, border-color .25s;
  border-bottom: 2px solid transparent;
}

.navbar-vyom .nav-link:hover {
  color: var(--vs-stellar-white);
}

.navbar-vyom .nav-link.active {
  color: var(--vs-stellar-white);
  border-bottom-color: var(--vs-ignition-orange);
}

/* ---- Mobile off-canvas menu ---- */
.offcanvas-vyom {
  background: linear-gradient(180deg, rgba(11,13,17,.98) 0%, rgba(22,27,34,.98) 100%);
  border-left: 1px solid rgba(0,163,255,.15);
  box-shadow: -8px 0 40px rgba(0,163,255,.08), -4px 0 20px rgba(0,0,0,.5);
  max-width: 300px;
  width: 80%;
  height: 100vh !important;
  top: 0 !important;
  position: fixed !important;
}

.offcanvas-vyom .offcanvas-header {
  border-bottom: 1px solid var(--vs-border);
  padding: 1rem 1.5rem;
}

.offcanvas-vyom .offcanvas-body .nav-link {
  color: var(--vs-dust-gray);
  font-size: 1rem;
  font-weight: 500;
  padding: .75rem 1.5rem !important;
  border-bottom: none;
  border-left: 3px solid transparent;
  transition: all .25s ease;
}

.offcanvas-vyom .offcanvas-body .nav-link:hover {
  color: var(--vs-stellar-white);
  background: rgba(0,163,255,.05);
  border-left-color: var(--vs-telemetry-blue);
}

.offcanvas-vyom .offcanvas-body .nav-link.active {
  color: var(--vs-ignition-orange);
  background: rgba(255,109,0,.05);
  border-left-color: var(--vs-ignition-orange);
}

.offcanvas-brand {
  font-family: 'Orbitron', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--vs-stellar-white);
  letter-spacing: 2px;
}

/* ============ Components: Hero ============ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .3;
}

.hero-bg .orb-blue {
  width: 500px;
  height: 500px;
  background: var(--vs-telemetry-blue);
  top: -10%;
  right: -5%;
}

.hero-bg .orb-orange {
  width: 400px;
  height: 400px;
  background: var(--vs-ignition-orange);
  bottom: -15%;
  left: -10%;
}

#hero .container {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  color: var(--vs-dust-gray);
  font-size: 1.15rem;
  max-width: 580px;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
}

.hero-stat-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 700;
}

.hero-stat-label {
  color: var(--vs-dust-gray);
  font-size: .85rem;
}

/* 3D CubeSat canvas */
.hero-visual {
  position: relative;
  width: 100%;
  height: 480px;
}

#cubesatCanvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: pan-y;
}

#cubesatCanvas:active {
  cursor: grabbing;
}

/* ============ Components: Cards ============ */
.vs-card {
  background: var(--vs-command-deck);
  border: 1px solid var(--vs-border);
  border-radius: 12px;
  padding: 2rem;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  height: 100%;
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
}

.vs-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 163, 255, .25), 0 0 50px rgba(0, 163, 255, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

.vs-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  background: rgba(0, 163, 255, .1);
  color: var(--vs-telemetry-blue);
  border: 1px solid rgba(0, 163, 255, .2);
}

.vs-card-icon.orange {
  background: rgba(255, 109, 0, .1);
  color: var(--vs-ignition-orange);
  border-color: rgba(255, 109, 0, .2);
}

/* ---- Buttons ---- */
.btn-vyom-primary {
  background: var(--vs-ignition-orange);
  color: #fff;
  font-family: 'Orbitron', sans-serif;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: .8rem 2rem;
  border: none;
  border-radius: 8px;
  transition: all .3s ease;
}

.btn-vyom-primary:hover {
  background: #e06200;
  color: #fff;
  box-shadow: 0 0 25px var(--vs-glow-orange);
  transform: translateY(-2px);
}

.btn-vyom-outline {
  background: transparent;
  color: var(--vs-telemetry-blue);
  font-family: 'Orbitron', sans-serif;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: .8rem 2rem;
  border: 1px solid var(--vs-telemetry-blue);
  border-radius: 8px;
  transition: all .3s ease;
}

.btn-vyom-outline:hover {
  background: var(--vs-telemetry-blue);
  color: var(--vs-deep-void);
  box-shadow: 0 0 25px var(--vs-glow-blue);
  transform: translateY(-2px);
}

/* About section */
.about-highlight {
  border-left: 3px solid var(--vs-ignition-orange);
  padding-left: 1.25rem;
  color: var(--vs-dust-gray);
  font-size: 1.05rem;
}

/* Step numbers */
.step-number {
  font-family: 'Orbitron', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--vs-telemetry-blue);
  margin-bottom: .5rem;
  opacity: .7;
}

/* ============ Components: Architecture ============ */
.arch-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.arch-node {
  background: var(--vs-command-deck);
  border: 1px solid var(--vs-border);
  border-radius: 10px;
  padding: 1rem 1.5rem;
  text-align: center;
  min-width: 120px;
  transition: all .3s ease;
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
}

.arch-node:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 163, 255, .25), 0 0 50px rgba(0, 163, 255, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

.arch-arrow {
  color: var(--vs-telemetry-blue);
  font-size: 1.75rem;
  font-weight: 700;
  text-shadow: 0 0 12px var(--vs-glow-blue);
}

/* ============ Components: Brain ============ */
.brain-card {
  background: var(--vs-command-deck);
  border: 1px solid var(--vs-border);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

.brain-card-bar-blue {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--vs-telemetry-blue), var(--vs-ignition-orange));
}

.brain-card-bar-orange {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--vs-ignition-orange), var(--vs-telemetry-blue));
}

.brain-logo-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  box-shadow: none;
}

.brain-logo-img.brain-glow-blue {
  filter: drop-shadow(0 0 6px rgba(0, 163, 255, .3));
}

.brain-logo-img.brain-glow-orange {
  filter: drop-shadow(0 0 6px rgba(255, 109, 0, .3));
}

.brain-card-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
}

.brain-card-subtitle {
  color: var(--vs-dust-gray);
  font-family: 'Orbitron', sans-serif;
  font-size: .6rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.brain-feature-label {
  font-family: 'Orbitron', sans-serif;
  font-size: .65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--vs-text-primary);
}

.body-text-sm {
  font-size: .9rem;
  line-height: 1.7;
}

/* ============ Components: Roadmap ============ */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.roadmap-phase {
  position: relative;
  padding: 0 1rem;
  text-align: center;
}

/* Progress bar across all phases */
.roadmap-track {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  height: 60px;
}

.roadmap-track::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--vs-border);
  transform: translateY(-50%);
}

.roadmap-phase:first-child .roadmap-track::before {
  left: 50%;
}

.roadmap-phase:last-child .roadmap-track::before {
  right: 50%;
}

.roadmap-dot {
  position: relative;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: .85rem;
  background: var(--vs-command-deck);
  border: 3px solid var(--vs-border);
  color: var(--vs-dust-gray);
  transition: all .4s ease;
}

.roadmap-phase.active .roadmap-dot {
  border-color: var(--vs-ignition-orange);
  color: var(--vs-ignition-orange);
  box-shadow: 0 0 20px var(--vs-glow-orange);
  background: rgba(255, 109, 0, .1);
}

.roadmap-phase.completed .roadmap-dot {
  border-color: var(--vs-telemetry-blue);
  color: var(--vs-telemetry-blue);
  box-shadow: 0 0 15px var(--vs-glow-blue);
  background: rgba(0, 163, 255, .1);
}

/* Filled progress line for completed phases */
.roadmap-phase.completed .roadmap-track::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--vs-telemetry-blue);
  transform: translateY(-50%);
  z-index: 1;
}

.roadmap-phase.completed:first-child .roadmap-track::after {
  left: 50%;
}

.roadmap-phase.active .roadmap-track::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 50%;
  height: 3px;
  background: linear-gradient(90deg, var(--vs-telemetry-blue), var(--vs-ignition-orange));
  transform: translateY(-50%);
  z-index: 1;
}

.roadmap-phase.active:first-child .roadmap-track::after {
  left: 50%;
  right: 50%;
}

.roadmap-phase-label {
  font-family: 'Orbitron', sans-serif;
  font-size: .6rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--vs-dust-gray);
  margin-bottom: .5rem;
}

.roadmap-phase.active .roadmap-phase-label {
  color: var(--vs-ignition-orange);
}

.roadmap-phase.completed .roadmap-phase-label {
  color: var(--vs-telemetry-blue);
}

.roadmap-card {
  background: var(--vs-command-deck);
  border: 1px solid var(--vs-border);
  border-radius: 12px;
  padding: 1.25rem 1.25rem;
  text-align: left;
  transition: all .3s ease;
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
  height: 75%;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.roadmap-card h6 {
  font-size: .85rem !important;
  margin-bottom: 0 !important;
}

.roadmap-card .badge {
  align-self: flex-start;
}

.roadmap-card .small {
  font-size: .78rem !important;
  line-height: 1.5;
}

.roadmap-card p:last-of-type {
  margin-bottom: 0 !important;
}

.roadmap-phase.active .roadmap-card {
  border-color: rgba(255, 109, 0, .3);
  box-shadow: 0 0 15px rgba(255, 109, 0, .12), 0 0 30px rgba(255, 109, 0, .06), 0 2px 12px rgba(0, 0, 0, .2);
}

.roadmap-phase.completed .roadmap-card {
  border-color: rgba(0, 163, 255, .15);
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
}

.roadmap-card:hover,
.roadmap-phase.active .roadmap-card:hover,
.roadmap-phase.completed .roadmap-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 163, 255, .25), 0 0 50px rgba(0, 163, 255, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

.roadmap-card-heading {
  font-size: .95rem;
}

.roadmap-subtitle {
  color: var(--vs-telemetry-blue);
  font-family: 'Orbitron', sans-serif;
  font-size: .6rem !important;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ============ Components: Specs Table ============ */
.specs-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.specs-table th {
  background: rgba(0, 163, 255, .08);
  color: var(--vs-telemetry-blue);
  font-family: 'Orbitron', sans-serif;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--vs-border);
}

.specs-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--vs-border);
  color: var(--vs-dust-gray);
  font-size: .95rem;
}

.specs-table td:first-child {
  color: var(--vs-stellar-white);
  font-weight: 500;
}

.specs-table tbody tr:hover td {
  background: rgba(0, 163, 255, .04);
}

/* ============ Components: Pricing ============ */
.price-tag {
  font-family: 'Orbitron', sans-serif;
  font-size: 3rem;
  font-weight: 800;
}

.price-tag .currency {
  font-size: 1.5rem;
  vertical-align: top;
  color: var(--vs-dust-gray);
}

/* ============ Components: Philosophy ============ */
.philosophy-box {
  position: relative;
  background: var(--vs-command-deck);
  border: 1px solid var(--vs-border);
  border-radius: 16px;
  padding: 3rem;
  overflow: hidden;
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.philosophy-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 163, 255, .25), 0 0 50px rgba(0, 163, 255, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

.philosophy-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--vs-gradient);
}

/* ============ Components: Team ============ */
.team-card {
  background: var(--vs-command-deck);
  border: 1px solid var(--vs-border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  height: 100%;
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 163, 255, .25), 0 0 50px rgba(0, 163, 255, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

.team-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.75rem;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  overflow: hidden;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-avatar.founder {
  background: linear-gradient(135deg, rgba(255,109,0,.2), rgba(255,109,0,.05));
  border: 3px solid rgba(255,109,0,.5);
  color: var(--vs-ignition-orange);
}

.team-avatar.advisor {
  background: linear-gradient(135deg, rgba(0,163,255,.2), rgba(0,163,255,.05));
  border: 3px solid rgba(0,163,255,.5);
  color: var(--vs-telemetry-blue);
}

.team-avatar.placeholder {
  background: rgba(139,148,158,.08);
  border: 2px dashed rgba(139,148,158,.3);
  color: var(--vs-dust-gray);
}

.team-card .team-role {
  font-family: 'Orbitron', sans-serif;
  font-size: .65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: .5rem;
}

.team-card .team-linkedin {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .85rem;
  margin-top: .75rem;
  color: var(--vs-telemetry-blue);
  transition: color .25s;
}

.team-card .team-linkedin:hover {
  color: var(--vs-ignition-orange);
}

/* ============ Components: Support ============ */
.support-card {
  background: var(--vs-command-deck);
  border: 1px solid var(--vs-border);
  border-radius: 12px;
  padding: 2rem;
  height: 100%;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
}

.support-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 163, 255, .25), 0 0 50px rgba(0, 163, 255, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

.support-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.support-icon-blue {
  background: rgba(0, 163, 255, .1);
  color: var(--vs-telemetry-blue);
  border: 1px solid rgba(0, 163, 255, .2);
}

.support-icon-orange {
  background: rgba(255, 109, 0, .1);
  color: var(--vs-ignition-orange);
  border: 1px solid rgba(255, 109, 0, .2);
}

.sponsor-tiers {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1rem;
}

.sponsor-tier {
  background: rgba(0,163,255,.06);
  border: 1px solid rgba(0,163,255,.15);
  border-radius: 8px;
  padding: .6rem 1rem;
  flex: 1;
  min-width: 140px;
  text-align: center;
  transition: transform .3s ease, box-shadow .3s ease;
  box-shadow: 0 0 15px rgba(0, 163, 255, .12), 0 0 30px rgba(0, 163, 255, .06), 0 2px 12px rgba(0, 0, 0, .2);
}

.sponsor-tier:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 163, 255, .25), 0 0 50px rgba(0, 163, 255, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

.sponsor-tier.featured {
  background: rgba(255,109,0,.06);
  border-color: rgba(255,109,0,.25);
  box-shadow: 0 0 15px rgba(255, 109, 0, .12), 0 0 30px rgba(255, 109, 0, .06), 0 2px 12px rgba(0, 0, 0, .2);
}

.sponsor-tier.featured:hover {
  box-shadow: 0 0 25px rgba(255, 109, 0, .25), 0 0 50px rgba(255, 109, 0, .1), 0 8px 30px rgba(0, 0, 0, .3);
}

.sponsor-label {
  color: var(--vs-telemetry-blue);
  letter-spacing: 1px;
}

/* ============ Components: Footer ============ */
footer {
  background: var(--vs-command-deck);
  border-top: 1px solid var(--vs-border);
  padding: 3rem 0 2rem;
}

.footer-brand {
  font-family: 'Orbitron', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
}

.footer-logo-icon {
  height: 24px;
  width: auto;
  margin-right: 8px;
  vertical-align: middle;
}

.footer-links a {
  color: var(--vs-dust-gray);
  font-size: .9rem;
  transition: color .25s;
}

.footer-links a:hover {
  color: var(--vs-stellar-white);
}

.footer-divider {
  border-top: 1px solid var(--vs-border);
  margin: 2rem 0 1.5rem;
}

.footer-heading {
  color: var(--vs-telemetry-blue);
  letter-spacing: 1px;
}

/* ============ Utilities: Scroll & Animation ============ */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--vs-ignition-orange);
  color: #fff;
  border: none;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s ease, visibility .3s ease, transform .3s ease, box-shadow .3s ease;
  box-shadow: 0 2px 12px rgba(255, 109, 0, .3);
  z-index: 1050;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  box-shadow: 0 4px 20px rgba(255, 109, 0, .5);
  transform: translateY(-2px);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}

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

/* Stars background */
.stars-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ============ Responsive ============ */
@media (max-width: 991.98px) {
  .hero-visual {
    height: 320px;
    margin-top: 1rem;
  }

  #cubesatCanvas {
    pointer-events: none;
    cursor: default;
    touch-action: auto;
  }

  #hero .col-lg-7 {
    text-align: center;
  }

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

  #hero .d-flex.flex-wrap {
    justify-content: center;
  }

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

  .hero-stat-label .progressive-word {
    display: none;
  }

  .created-word {
    display: none;
  }

  .section-label,
  .section-title,
  .section-subtitle {
    text-align: center;
  }

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

  .support-card {
    text-align: center;
  }

  .support-card .support-icon {
    margin-left: auto;
    margin-right: auto;
  }

  .container {
    padding-right: calc(var(--bs-gutter-x) * .65);
    padding-left: calc(var(--bs-gutter-x) * .65);
  }

  .roadmap-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .roadmap-card {
    height: auto;
  }

  .roadmap-track::before,
  .roadmap-phase:first-child .roadmap-track::before,
  .roadmap-phase:last-child .roadmap-track::before,
  .roadmap-phase.completed .roadmap-track::after,
  .roadmap-phase.completed:first-child .roadmap-track::after,
  .roadmap-phase.active .roadmap-track::after,
  .roadmap-phase.active:first-child .roadmap-track::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .scroll-top-btn {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .hero-stats {
    gap: 1rem;
    flex-wrap: nowrap;
    justify-content: center;
  }

  .hero-stat-value {
    font-size: 1.5rem;
  }

  .hero-stat-label {
    font-size: .75rem;
  }

  .section-padding {
    padding: 2.5rem 0;
  }

  footer {
    padding: 2.5rem 0 2rem;
  }

  .philosophy-box {
    padding: 2rem;
  }

  /* Center align subsystem cards on mobile, except architecture dual-core cards */
  .vs-card:not(#architecture .vs-card) {
    text-align: center;
  }

  .vs-card:not(#architecture .vs-card) .vs-card-icon {
    margin-left: auto;
    margin-right: auto;
  }

  #architecture .vs-card {
    text-align: left;
  }

  .vs-card .d-flex.flex-wrap {
    justify-content: center;
  }
}

@media (max-width: 575.98px) {
  .hero-visual {
    height: 280px;
  }
}

@media (max-width: 575px) {
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
}