:root {
  /* ── Color System: derived from Zyntec logo ──────────────────────────
     Logo Royal Blue : #3275B4
     Logo Deep Navy  : #0D2654
     White Connectors: #FFFFFF
  ────────────────────────────────────────────────────────────────────── */
  --navy-900:  #07122B;   /* deepest bg */
  --navy-800:  #0D1E40;   /* primary bg */
  --navy-700:  #112649;   /* secondary bg / card */
  --navy-600:  #163062;   /* border / divider */
  --navy-500:  #1E3D78;   /* hover states */

  --blue-500:  #3275B4;   /* logo royal blue — accent */
  --blue-400:  #4A90D9;   /* accent hover / lighter highlight */
  --blue-300:  #7BB3E8;   /* subtle accent tints */

  --white:     #F0F6FF;   /* heading text */
  --silver:    #94A3B8;   /* body / secondary text */
  --muted:     #64748B;   /* placeholder / labels */

  /* Semantic tokens */
  --bg-primary:    var(--navy-800);
  --bg-secondary:  var(--navy-700);
  --bg-deep:       var(--navy-900);
  --border-color:  var(--navy-600);
  --text-heading:  var(--white);
  --text-body:     var(--silver);
  --accent-primary: var(--blue-500);
  --accent-hover:   var(--blue-400);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing */
  --spacing-1:  0.25rem;
  --spacing-2:  0.5rem;
  --spacing-3:  0.75rem;
  --spacing-4:  1rem;
  --spacing-6:  1.5rem;
  --spacing-8:  2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  /* Effects */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm:  0.25rem;
  --radius-md:  0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  --radius-2xl: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover { color: var(--accent-hover); }
ul { list-style: none; padding: 0; margin: 0; }

/* ── Layout ─────────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
  width: 100%;
}

.section { padding: var(--spacing-24) 0; }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-deep      { background-color: var(--bg-deep); }

.flex              { display: flex; }
.flex-col          { flex-direction: column; }
.items-center      { align-items: center; }
.justify-between   { justify-content: space-between; }
.justify-center    { justify-content: center; }
.gap-4             { gap: var(--spacing-4); }
.gap-8             { gap: var(--spacing-8); }
.gap-12            { gap: var(--spacing-12); }
.grid              { display: grid; }

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ── Typography ─────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-heading);
}

.text-hero {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  color: var(--text-heading);
}

.text-hero .accent { color: var(--blue-400); }

.text-hero-sub {
  font-size: clamp(1.05rem, 2vw + 0.5rem, 1.35rem);
  color: var(--text-body);
  font-weight: 400;
  max-width: 580px;
  margin: 0 auto;
}

.section-title   { font-size: clamp(1.75rem, 3vw, 2.25rem); margin-bottom: var(--spacing-4); }
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-body);
  margin-bottom: var(--spacing-16);
  max-width: 560px;
}
.text-center { text-align: center; }

/* ── Navbar ─────────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: var(--spacing-4) 0;
  background-color: rgba(13, 30, 64, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  transition: padding var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.navbar.scrolled {
  padding: var(--spacing-3) 0;
  background-color: rgba(13, 30, 64, 0.97);
  box-shadow: 0 4px 24px rgba(7, 18, 43, 0.5);
}

.navbar .logo {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.navbar .logo img {
  height: 36px;
  width: 36px;
  object-fit: contain;
}

.nav-links { display: none; }

@media (min-width: 768px) {
  .nav-links {
    display: flex;
    gap: var(--spacing-8);
    font-size: 0.875rem;
    font-weight: 500;
    align-items: center;
    color: var(--silver);
  }
}

.nav-links a:hover,
.nav-links a.active { color: var(--text-heading); }

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-500) 0%, #1D4ED8 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(50, 117, 180, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-500) 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(50, 117, 180, 0.5);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-heading);
  border-color: var(--navy-500);
}
.btn-outline:hover {
  background-color: var(--navy-700);
  border-color: var(--blue-500);
  color: var(--text-heading);
}

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero {
  padding-top: calc(var(--spacing-32) + 60px);
  padding-bottom: var(--spacing-24);
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

/* Subtle ambient glow from logo colours */
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse at center,
    rgba(50, 117, 180, 0.12) 0%,
    rgba(13, 38, 84, 0.06) 50%,
    transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero > * { position: relative; z-index: 1; }

.hero-actions {
  display: flex;
  gap: var(--spacing-4);
  margin-top: var(--spacing-8);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Badge ──────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-1) var(--spacing-4);
  background-color: rgba(50, 117, 180, 0.12);
  border: 1px solid rgba(50, 117, 180, 0.3);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue-300);
  margin-bottom: var(--spacing-6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background-color: var(--blue-400);
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

/* ── Cards ──────────────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: var(--spacing-8);
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-500), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--navy-500);
  box-shadow: 0 20px 40px rgba(7, 18, 43, 0.5), 0 0 0 1px rgba(50, 117, 180, 0.15);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-lg);
  background: rgba(50, 117, 180, 0.15);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--spacing-6);
}
.card-icon svg { width: 20px; height: 20px; color: var(--blue-400); }

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-2);
  color: var(--text-heading);
}

.card-desc {
  color: var(--text-body);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-6);
  flex-grow: 1;
}

.card-metric {
  margin-top: auto;
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-value {
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--blue-400);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--muted);
  font-weight: 500;
}

/* ── About ──────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  gap: var(--spacing-12);
  align-items: center;
}
@media (min-width: 768px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
}

.about-stat {
  text-align: center;
  padding: var(--spacing-8);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
}
.about-stat-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--blue-400);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--spacing-2);
}
.about-stat-label {
  font-size: 0.875rem;
  color: var(--text-body);
  font-weight: 500;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
}

/* ── Contact ────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  gap: var(--spacing-12);
}
@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 5fr 7fr; }
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  color: var(--text-body);
}

.contact-info-item svg {
  width: 18px; height: 18px;
  color: var(--blue-400);
  flex-shrink: 0;
}

.sla-card {
  padding: var(--spacing-6);
  background: rgba(50, 117, 180, 0.08);
  border: 1px solid rgba(50, 117, 180, 0.25);
  border-radius: var(--radius-lg);
}

.sla-card strong {
  color: var(--text-heading);
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.9375rem;
}

.sla-card p {
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.5;
}

/* ── Form ───────────────────────────────────────────────────────────── */
.form-card {
  background-color: var(--bg-secondary);
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
}

.form-row {
  display: grid;
  gap: var(--spacing-4);
  margin-bottom: 0;
}
@media (min-width: 520px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-group {
  margin-bottom: var(--spacing-4);
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: var(--spacing-2);
  color: var(--silver);
}

.form-control {
  width: 100%;
  padding: 0.6875rem var(--spacing-4);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-heading);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder { color: var(--muted); }

.form-control:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(50, 117, 180, 0.18);
}

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

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1em;
  cursor: pointer;
}

select.form-control option {
  background-color: var(--navy-800);
  color: var(--text-heading);
}

/* ── Footer ─────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-12) 0;
  background-color: var(--bg-deep);
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-heading);
}

.footer-logo img {
  height: 28px; width: 28px;
  object-fit: contain;
}

/* ── Scrollbar ──────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy-900); }
::-webkit-scrollbar-thumb { background: var(--navy-600); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue-500); }