:root {
  --navy-950: #041224;
  --navy-900: #082340;
  --navy-800: #0e3259;
  --cyan-500: #09A8E1;
  --cyan-400: #38BDF8;
  --cyan-600: #0284C7;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --green-ok: #10b981;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --shadow-sm: 0 2px 8px rgba(8, 35, 64, 0.05);
  --shadow-md: 0 12px 32px rgba(8, 35, 64, 0.08);
  --shadow-lg: 0 24px 56px rgba(4, 18, 36, 0.28);
  --radius-md: 12px;
  --radius-lg: 18px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--slate-900);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 80px;
  display: flex;
  align-items: center;
  background: rgba(4, 18, 36, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

body.scrolled .site-header {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--slate-200);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  height: 44px;
  width: auto;
}

.logo-on-light {
  display: none;
}

body.scrolled .logo-on-dark {
  display: none;
}

body.scrolled .logo-on-light {
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.86);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--cyan-400);
}

body.scrolled .nav-link {
  color: var(--slate-700);
}

body.scrolled .nav-link:hover {
  color: var(--cyan-500);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switcher {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 3px;
}

body.scrolled .lang-switcher {
  background: var(--slate-100);
  border-color: var(--slate-200);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

body.scrolled .lang-btn {
  color: var(--slate-600);
}

.lang-btn.active {
  background: var(--cyan-500);
  color: var(--white);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 10px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-sm {
  font-size: 13.5px;
  padding: 9px 18px;
  border-radius: 8px;
}

.btn-primary {
  background: var(--cyan-500);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(9, 168, 225, 0.28);
}

.btn-primary:hover {
  background: var(--cyan-600);
  box-shadow: 0 8px 24px rgba(9, 168, 225, 0.38);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--white);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cyan-400);
}

.btn-block {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 6px;
}

.mobile-menu-btn span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: 0.2s ease;
}

body.scrolled .mobile-menu-btn span {
  background: var(--navy-900);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 152px 0 96px;
  background: radial-gradient(circle at 82% 22%, rgba(9, 168, 225, 0.18), transparent 45%),
              linear-gradient(155deg, var(--navy-950) 0%, var(--navy-900) 65%, #0a2d52 100%);
  color: var(--white);
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 45%, transparent 88%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 52px;
  align-items: center;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.6px;
  color: var(--cyan-400);
  background: rgba(9, 168, 225, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.28);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7);
  animation: pulseGlow 2.2s infinite;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.65); }
  70% { box-shadow: 0 0 0 9px rgba(56, 189, 248, 0); }
  100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 3.8vw, 3.25rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.hero-motto {
  font-size: 1.08rem;
  font-weight: 500;
  color: #e0f2fe;
  border-left: 3px solid var(--cyan-500);
  padding-left: 16px;
  margin: 0 0 18px;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--slate-400);
  margin: 0 0 32px;
  max-width: 590px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 42px;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
}

.highlight-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.highlight-code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--cyan-400);
}

.highlight-desc {
  font-size: 13px;
  color: var(--slate-400);
}

.highlight-divider {
  width: 1px;
  height: 30px;
  background: rgba(148, 163, 184, 0.2);
}

/* TELEMETRY CONSOLE CARD */
.telemetry-card {
  background: rgba(8, 28, 53, 0.84);
  border: 1px solid rgba(56, 189, 248, 0.24);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  margin-bottom: 14px;
}

.telemetry-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-ok);
  box-shadow: 0 0 8px var(--green-ok);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: #cbd5e1;
  letter-spacing: 0.5px;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--cyan-400);
  background: rgba(9, 168, 225, 0.14);
  padding: 3px 8px;
  border-radius: 6px;
}

.topology-stage {
  background: rgba(4, 15, 30, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 12px;
  padding: 8px;
  margin-bottom: 14px;
}

.topology-svg {
  width: 100%;
  height: auto;
  display: block;
}

.flow-lines path {
  animation: dashFlow 4.5s linear infinite;
}

@keyframes dashFlow {
  to {
    stroke-dashoffset: -124;
  }
}

.phasor-strip {
  background: rgba(4, 15, 30, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 14px;
}

.phasor-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.mono-dim {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate-400);
}

.mono-val {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-400);
}

.wave-svg {
  width: 100%;
  height: 44px;
  display: block;
}

.telemetry-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--slate-400);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--white);
}

.metric-value.cyan { color: var(--cyan-400); }
.metric-value.green { color: var(--green-ok); }

/* ==========================================================================
   SECTIONS & SPECIALTY CARDS
   ========================================================================== */
.section {
  padding: 92px 0;
}

.bg-light { background-color: var(--bg-light); }
.bg-white { background-color: var(--white); }
.bg-navy {
  background: linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 100%);
  color: var(--white);
}

.section-header {
  max-width: 740px;
  margin-bottom: 52px;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  color: var(--cyan-600);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.cyan-text { color: var(--cyan-400); }
.text-white { color: var(--white); }
.text-slate { color: var(--slate-400); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--navy-900);
  margin: 0 0 14px;
}

.section-header-dark .section-title {
  color: var(--white);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--slate-600);
  margin: 0;
}

.section-header-dark .section-desc {
  color: var(--slate-400);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.spec-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.spec-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(9, 168, 225, 0.45);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(9, 168, 225, 0.1);
  color: var(--cyan-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon svg {
  width: 25px;
  height: 25px;
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--cyan-600);
  letter-spacing: 0.6px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy-900);
  margin: 6px 0 12px;
}

.card-text {
  font-size: 0.96rem;
  color: var(--slate-600);
  margin: 0 0 18px;
}

.card-list {
  list-style: none;
  padding: 16px 0 0;
  margin: 0;
  border-top: 1px solid var(--slate-100);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  color: var(--slate-700);
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-500);
}

/* ==========================================================================
   PLATFORMS SHOWCASE SECTION (e-terraplatform, openPDC, openHistorian)
   ========================================================================== */
.platforms-section {
  border-top: 1px solid var(--slate-200);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.platform-card {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
  border: 1px solid var(--slate-200);
  border-top: 3px solid var(--navy-900);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-top-color 0.2s ease, box-shadow 0.2s ease;
}

.platform-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--cyan-500);
  box-shadow: var(--shadow-md);
}

.platform-badge-row {
  margin-bottom: 10px;
}

.platform-mono-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--cyan-600);
  background: rgba(9, 168, 225, 0.1);
  padding: 3px 9px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

.platform-name {
  font-family: var(--font-mono);
  font-size: 1.38rem;
  font-weight: 700;
  color: var(--navy-900);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.platform-desc {
  font-size: 0.92rem;
  color: var(--slate-600);
  margin: 0 0 20px;
  flex-grow: 1;
}

.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding-top: 14px;
  border-top: 1px solid var(--slate-200);
}

.platform-tags span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-700);
  background: var(--white);
  border: 1px solid var(--slate-200);
  padding: 3px 8px;
  border-radius: 6px;
}

.trademark-note {
  margin: 26px 0 0;
  font-size: 0.8rem;
  color: var(--slate-500);
  line-height: 1.5;
}

/* ==========================================================================
   METHODOLOGY STEPS
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.step-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.step-card:hover {
  border-color: var(--cyan-400);
  background: rgba(255, 255, 255, 0.06);
}

.step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan-400);
  margin-bottom: 12px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 10px;
}

.step-text {
  font-size: 0.92rem;
  color: var(--slate-400);
  margin: 0;
}

/* ==========================================================================
   ABOUT & COMPLIANCE
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.about-paragraph {
  font-size: 1.02rem;
  color: var(--slate-700);
  margin: 0 0 18px;
}

.pillars-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.mini-pillar {
  background: var(--bg-light);
  border-left: 3px solid var(--cyan-500);
  padding: 16px 18px;
  border-radius: 0 10px 10px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mini-pillar strong {
  color: var(--navy-900);
  font-size: 0.96rem;
}

.mini-pillar span {
  font-size: 0.88rem;
  color: var(--slate-600);
}

.compliance-panel {
  background: var(--bg-light);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.compliance-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--slate-200);
  margin-bottom: 18px;
}

.compliance-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.compliance-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-900);
  margin: 0;
}

.compliance-sub {
  font-size: 0.84rem;
  color: var(--slate-500);
}

.compliance-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

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

.comp-row dt {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--slate-500);
}

.comp-row dd {
  margin: 0;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--navy-900);
}

.mono-dd {
  font-family: var(--font-mono);
  color: var(--cyan-600) !important;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: start;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
}

.contact-card-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--cyan-600);
  margin-bottom: 6px;
}

.contact-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.contact-card-value {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--navy-900);
}

.contact-card-value:hover {
  color: var(--cyan-500);
}

.contact-card-sub {
  margin-top: 6px;
  font-size: 0.86rem;
  color: var(--slate-500);
}

.contact-card-sub a {
  color: var(--navy-900);
  font-weight: 600;
}

.copy-btn {
  border: 1px solid var(--slate-200);
  background: var(--bg-light);
  color: var(--slate-700);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  border-color: var(--cyan-500);
  color: var(--cyan-600);
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  box-shadow: var(--shadow-md);
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-900);
  margin: 0 0 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  color: var(--slate-900);
  background: var(--bg-light);
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  padding: 11px 13px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--cyan-500);
}

.form-footnote {
  margin: 12px 0 0;
  font-size: 0.8rem;
  color: var(--slate-500);
  text-align: center;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--navy-950);
  color: var(--slate-400);
  padding: 64px 0 36px;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.footer-logo {
  height: 44px;
  width: auto;
  margin-bottom: 16px;
}

.footer-motto {
  font-size: 0.92rem;
  color: #cbd5e1;
  max-width: 440px;
  margin: 0;
}

.footer-links-col h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 14px;
}

.footer-links-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 0.9rem;
}

.footer-links-col a:hover {
  color: var(--cyan-400);
}

.footer-bottom {
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.82rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom strong {
  color: #cbd5e1;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .platforms-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .header-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--navy-950);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  body.scrolled .main-nav {
    background: var(--white);
    border-bottom-color: var(--slate-200);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .cards-grid,
  .steps-grid,
  .pillars-row,
  .form-row,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .hero-section {
    padding: 126px 0 68px;
  }

  .highlight-divider {
    display: none;
  }
}

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