/* ==========================================================================
   SPARTAN DYNAMIC PRIVATE LIMITED — Design System
   ========================================================================== */

:root {
  /* Brand palette */
  --navy-900: #0B1F3A;
  --navy-800: #132A4D;
  --navy-700: #1F3A63;
  --primary: #8EC5FC;
  --primary-dark: #5FA3E0;
  --secondary: #EEF6FF;
  --bg: #F8FAFC;
  --card: #FFFFFF;
  --accent-mint: #B8E0D2;
  --success: #A8E6CF;
  --warning: #FFE5B4;
  --danger: #F8B4B4;

  --text-primary: #10203A;
  --text-secondary: #536073;
  --text-muted: #7A879C;
  --border: #E3EAF3;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6.5rem;

  /* Layout */
  --container-w: 1200px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 1px 3px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 20px 48px rgba(11, 31, 58, 0.12);

  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font: inherit; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--navy-900);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy-900);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--primary-dark);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy-900);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--navy-800); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent;
  color: var(--navy-900);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--navy-900); transform: translateY(-2px); }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.6rem 1.3rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1rem;
}

.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand-mark svg { width: 38px; height: 38px; }
.brand-mark-img { width: 38px; height: 38px; object-fit: contain; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--navy-900);
  font-weight: 800;
}
.brand-text em {
  font-style: normal;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  font-weight: 600;
}

.main-nav ul { display: flex; align-items: center; gap: 2rem; }
.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--primary-dark);
  transition: width var(--transition);
}
.main-nav a:hover { color: var(--navy-900); }
.main-nav a:hover::after { width: 100%; }
.main-nav a.is-active { color: var(--navy-900); }
.main-nav a.is-active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 1rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy-900);
  margin: 0 auto;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 68px 0 0 0;
  background: var(--bg);
  z-index: 490;
  padding: 2rem 1.5rem;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav ul { display: flex; flex-direction: column; gap: 0.25rem; margin-bottom: 2rem; }
.mobile-nav a {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--navy-900);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: var(--space-6) 0 var(--space-5);
  background:
    radial-gradient(560px 420px at 88% -6%, rgba(142,197,252,0.28), transparent 65%),
    radial-gradient(420px 320px at 100% 40%, rgba(184,224,210,0.22), transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--space-5);
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-dark);
  margin-bottom: 0.9rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  margin-bottom: 1.4rem;
  max-width: 15ch;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 46ch;
  margin-bottom: 2.1rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; }

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.hero-tags span { display: inline-flex; align-items: center; gap: 0.5rem; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-blue { background: var(--primary); }
.dot-mint { background: var(--accent-mint); }

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.hero-visual-core { position: relative; width: 280px; }
.hero-visual-core svg { width: 100%; height: auto; }
.core-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.3;
  padding: 0 3rem;
}
.core-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
  padding: 6px;
}

.orbit-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.1rem;
  box-shadow: var(--shadow-md);
  animation: float 6s ease-in-out infinite;
}
.orbit-card svg { width: 44px; height: 44px; flex-shrink: 0; }
.orbit-logo {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 10px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--border);
  padding: 4px;
}
.orbit-card div { display: flex; flex-direction: column; }
.orbit-card strong { font-family: var(--font-display); font-size: 0.9rem; color: var(--navy-900); }
.orbit-card span { font-size: 0.75rem; color: var(--text-muted); }
.orbit-card--tech { top: 6%; left: -2%; animation-delay: 0s; }
.orbit-card--nuts { bottom: 8%; right: -4%; animation-delay: 1.4s; }

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

/* ==========================================================================
   Stats band
   ========================================================================== */
.stats-band {
  background: var(--navy-900);
  padding: var(--space-4) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
  text-align: center;
}
.stat-item { display: flex; flex-direction: column; align-items: center; gap: 0.55rem; }
.stat-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(142, 197, 252, 0.16);
  display: flex; align-items: center; justify-content: center;
}
.stat-icon svg { width: 20px; height: 20px; }
.stat-icon svg path, .stat-icon svg rect, .stat-icon svg circle { stroke: var(--primary); }
.stat-item strong { font-family: var(--font-display); font-size: 1.5rem; color: #fff; }
.stat-item span { font-size: 0.82rem; color: rgba(255,255,255,0.65); font-weight: 500; }

/* ==========================================================================
   Sections generic
   ========================================================================== */
.section { padding: var(--space-7) 0; }
.section-alt { background: var(--secondary); }
.section-dark {
  background: var(--navy-900);
  color: rgba(255,255,255,0.85);
}
.section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-dark .lead { color: rgba(255,255,255,0.7); }
.section-dark .eyebrow { color: var(--primary); }

.section-head { max-width: 700px; margin-bottom: var(--space-5); }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); margin: 0.6rem 0 1rem; }
.lead { font-size: 1.08rem; color: var(--text-secondary); }

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}
.badge-blue { background: var(--secondary); color: var(--navy-700); }
.badge-mint { background: #EAF6F0; color: #2F6B4F; }

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: var(--space-6);
  align-items: start;
}

.vm-grid { display: grid; gap: 1.25rem; margin-top: var(--space-3); }
.vm-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.vm-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-dark);
  margin-bottom: 0.6rem;
}
.vm-card p { color: var(--text-secondary); }

.values-list { display: flex; flex-direction: column; gap: 0; margin-top: var(--space-3); border-top: 1px solid var(--border); }
.values-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--navy-900);
}
.value-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-dark);
  min-width: 2ch;
}

/* ==========================================================================
   Businesses
   ========================================================================== */
.biz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.biz-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.biz-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px;
  margin-bottom: 0.9rem;
}
.biz-card h3 { font-size: 1.6rem; margin-bottom: 0.75rem; }
.biz-card > p { color: var(--text-secondary); margin-bottom: 1.5rem; }

.chip-list { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.75rem; }
.chip-list li {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: var(--secondary);
  color: var(--navy-700);
}
.biz-card--nuts .chip-list li { background: #EAF6F0; color: #2F6B4F; }

.link-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--navy-900);
  transition: gap var(--transition), color var(--transition);
}
.link-cta:hover { gap: 0.7rem; color: var(--primary-dark); }
.link-cta-sm { font-size: 0.9rem; }

/* ==========================================================================
   Technology capability grid
   ========================================================================== */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.capability-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.capability-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.cap-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--secondary);
  margin-bottom: 1.1rem;
}
.cap-icon svg { width: 22px; height: 22px; }
.capability-card h3 { font-size: 1.08rem; margin-bottom: 0.5rem; }
.capability-card p { color: var(--text-secondary); font-size: 0.92rem; }

.stack-heading {
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: var(--space-3);
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.9rem;
}
.stack-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy-900);
  transition: transform var(--transition), border-color var(--transition);
}
.stack-item:hover { transform: translateY(-3px); border-color: var(--primary); }

/* ==========================================================================
   Featured project / case study
   ========================================================================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.case-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.case-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(142,197,252,0.12);
  margin-bottom: 0.8rem;
}
.case-icon svg { width: 20px; height: 20px; }
.case-block h4 { font-size: 1rem; margin-bottom: 0.6rem; letter-spacing: 0.02em; color: var(--primary); }
.case-block p { font-size: 0.94rem; color: rgba(255,255,255,0.72); }
.tech-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tech-tags span {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(142,197,252,0.14);
  color: var(--primary);
}

.modules-wrap { margin-bottom: var(--space-4); }
.modules-wrap h4 { color: #fff; font-size: 1.05rem; margin-bottom: 1rem; }
.modules-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}
.modules-grid span {
  display: block;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.85rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  transition: background var(--transition), border-color var(--transition);
}
.modules-grid span:hover { background: rgba(142,197,252,0.12); border-color: var(--primary); }

.case-result {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: var(--space-3);
}
.more-projects {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-top: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.03);
}
.more-projects-dot {
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-top: 0.4rem;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(142,197,252,0.18);
}
.more-projects p { font-size: 0.92rem; color: rgba(255,255,255,0.65); margin: 0; }
.more-projects strong { color: #fff; }

/* ==========================================================================
   Floating quick-contact — WhatsApp, Call, Mail
   ========================================================================== */
.quick-contact {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  z-index: 60;
}
.quick-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.quick-btn:hover { transform: scale(1.08); }
.quick-btn svg { width: 22px; height: 22px; }
.quick-btn--whatsapp {
  width: 58px;
  height: 58px;
  animation: wa-pulse 2.4s ease-in-out infinite;
}
.quick-btn--whatsapp svg { width: 34px; height: 34px; }
@keyframes wa-pulse {
  0%, 100% { box-shadow: var(--shadow-lg), 0 0 0 0 rgba(37, 211, 102, 0.35); }
  50% { box-shadow: var(--shadow-lg), 0 0 0 10px rgba(37, 211, 102, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .quick-btn--whatsapp { animation: none; }
}
@media (max-width: 480px) {
  .quick-contact { right: 1rem; bottom: 1rem; gap: 0.6rem; }
  .quick-btn { width: 42px; height: 42px; }
  .quick-btn svg { width: 19px; height: 19px; }
  .quick-btn--whatsapp { width: 52px; height: 52px; }
  .quick-btn--whatsapp svg { width: 30px; height: 30px; }
}

/* ==========================================================================
   Gallery / Board Meetings & Milestones
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--navy-900);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 5;
  transition: transform var(--transition), box-shadow var(--transition);
}
.gallery-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.gallery-card-wide {
  width: 100%;
  aspect-ratio: 21 / 9;
  margin-top: var(--space-3);
}
@media (max-width: 600px) {
  .gallery-card-wide { aspect-ratio: 4 / 3; }
}
.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1);
}
.gallery-card:hover img { transform: scale(1.06); }
.gallery-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.3rem 1.1rem 1rem;
  background: linear-gradient(to top, rgba(11,31,58,0.92) 0%, rgba(11,31,58,0.55) 55%, rgba(11,31,58,0) 100%);
  color: #fff;
}
.gallery-caption span {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.35rem;
}
.gallery-caption h4 { font-size: 1rem; margin: 0; color: #fff; }
.gallery-caption p { font-size: 0.82rem; margin: 0.25rem 0 0; color: rgba(255,255,255,0.78); }

.gallery-note {
  margin-top: var(--space-3);
  padding: 1.1rem 1.3rem;
  border-radius: var(--radius-sm);
  background: var(--secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.gallery-note strong { color: var(--text-primary); }

/* ==========================================================================
   Products / Brisk Nuts
   ========================================================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.product-media {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.1rem;
  background: var(--secondary);
  aspect-ratio: 1.1 / 1;
}
.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-cat {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-dark);
}
.product-card h3 { font-size: 1.08rem; margin: 0.45rem 0 0.4rem; }
.product-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }

/* ==========================================================================
   Leadership
   ========================================================================== */
.leader-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-4);
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.leader-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--secondary);
}
.leader-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.leader-role {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin: 0.4rem 0 1rem;
}
.leader-copy h3 { font-size: 1.5rem; }
.leader-copy p { color: var(--text-secondary); margin-bottom: 1.1rem; }
.leader-copy blockquote {
  font-style: italic;
  color: var(--text-secondary);
  border-left: 3px solid var(--primary);
  padding-left: 1.1rem;
}

/* ==========================================================================
   Timeline
   ========================================================================== */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  position: relative;
  padding-top: var(--space-2);
}
.timeline::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--border);
}
.timeline li { position: relative; padding-top: var(--space-3); }
.timeline-dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline-year {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy-900);
  margin-bottom: 0.5rem;
}
.timeline-logo {
  display: block;
  width: 34px;
  height: 34px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 0.6rem;
}
.timeline p { color: var(--text-secondary); font-size: 0.94rem; }
.timeline-year em {
  display: inline-block;
  font-style: normal;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--primary-dark);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.timeline-upcoming { opacity: 0.9; }
.timeline-upcoming .timeline-dot {
  background: #fff;
  box-shadow: 0 0 0 2px var(--primary-dark);
}
.timeline-upcoming .timeline-logo { border-style: dashed; }

/* ==========================================================================
   Why Spartan
   ========================================================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.why-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: transform var(--transition), box-shadow var(--transition);
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.why-icon {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--primary-dark);
  background: var(--secondary);
  width: 36px; height: 36px;
  border-radius: 50%;
  text-align: center;
  line-height: 36px;
  margin-bottom: 1rem;
}
.why-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.why-card p { color: var(--text-secondary); font-size: 0.92rem; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-6);
  align-items: start;
}
.contact-cards { display: grid; gap: 1rem; margin-top: var(--space-4); }
.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.contact-card h4 { font-size: 0.98rem; margin-bottom: 0.7rem; }
.contact-card a { display: block; color: var(--text-secondary); font-size: 0.94rem; padding: 0.15rem 0; transition: color var(--transition); }
.contact-card a:hover { color: var(--primary-dark); }

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: grid;
  gap: 1.1rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-field { display: grid; gap: 0.45rem; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--navy-900); }
.form-field input, .form-field textarea {
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  background: var(--bg);
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--primary-dark);
  box-shadow: 0 0 0 3px rgba(142,197,252,0.25);
  outline: none;
}
.form-note { font-size: 0.88rem; color: var(--text-secondary); min-height: 1.2em; }
.form-note.success { color: #2F6B4F; font-weight: 600; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.7);
  padding: var(--space-6) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand { display: flex; gap: 0.9rem; }
.footer-brand strong { display: block; color: #fff; font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 0.5rem; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.55); max-width: 30ch; }
.footer-col h5 { color: #fff; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-col a { display: block; font-size: 0.9rem; padding: 0.35rem 0; color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { padding-top: var(--space-3); font-size: 0.82rem; color: rgba(255,255,255,0.45); }

/* ==========================================================================
   Responsive — Tablet
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 320px; margin-top: var(--space-4); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); row-gap: var(--space-3); }
  .leader-card { grid-template-columns: 160px 1fr; }
  .timeline { grid-template-columns: 1fr; gap: var(--space-3); }
  .timeline::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   Responsive — Mobile
   ========================================================================== */
/* Nav collapses to the hamburger menu earlier than the general tablet
   breakpoint — eight nav items plus the logo and CTA need more room
   than 1024px gives them before they start to overflow the header. */
@media (max-width: 1080px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: block; }
}

@media (max-width: 768px) {
  .header-inner { height: 68px; }

  .section { padding: var(--space-5) 0; }
  .hero { padding: var(--space-5) 0 var(--space-4); }
  .hero h1 { max-width: none; }
  .hero-actions .btn { width: 100%; }
  .hero-actions { flex-direction: column; }

  .capability-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .gallery-grid { grid-template-columns: 1fr; gap: 1rem; }
  .why-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .leader-card { grid-template-columns: 1fr; text-align: center; }
  .leader-copy blockquote { text-align: left; }
  .leader-photo { max-width: 160px; margin: 0 auto; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .brand-text em { display: none; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr 1fr; }
  .modules-grid { grid-template-columns: 1fr 1fr; }
  .container { padding: 0 1.1rem; }
}

/* Orbit cards float with absolute offsets sized for a wide hero column;
   on narrow phones that column shrinks to ~90vw and the offsets start
   clipping the cards against the viewport edge. Below 560px we drop them
   into normal flow instead, stacked above/below the core. */
@media (max-width: 560px) {
  .hero-visual {
    flex-direction: column;
    gap: 1rem;
    min-height: auto;
    padding: 0.5rem 0 1rem;
  }
  .hero-visual-core { order: 2; width: 220px; }
  .orbit-card {
    position: static;
    width: 100%;
    max-width: 300px;
    animation: none;
  }
  .orbit-card--tech { order: 1; }
  .orbit-card--nuts { order: 3; }
}