:root {
  --bg: #050711;
  --bg-alt: #0b0f1a;
  --bg-soft: #101624;
  --card-bg: #101622;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --accent: #3aa9ff;
  --accent-soft: rgba(58, 169, 255, 0.15);
  --text-main: #f5f7fb;
  --text-muted: #9ea7bc;
  --danger: #ff4f6b;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.45);
  --max-width: 1120px;
  --transition-fast: 150ms ease-out;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at top, #14223a 0, #050711 55%, #020308 100%);
  scroll-behavior: smooth;
}

body {
  line-height: 1.5;
}

/* Containers */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 7, 17, 0.92), rgba(5, 7, 17, 0.82), transparent);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0.8rem 1.5rem;
}

/* Logo */

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-main);
  gap: 0.7rem;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(58, 169, 255, 0.5);
  background: radial-gradient(circle at 20% 20%, rgba(58, 169, 255, 0.75), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(24, 178, 255, 0.45), transparent 55%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 0 0 1px rgba(8, 13, 26, 0.6);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 600;
  letter-spacing: 0.03em;
  font-size: 0.98rem;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Nav */

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
  padding: 0.2rem 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #3aa9ff, #24e3ff);
  transition: width var(--transition-fast);
}

.main-nav a:hover {
  color: var(--text-main);
}

.main-nav a:hover::after {
  width: 100%;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.3rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  background: linear-gradient(135deg, #3aa9ff, #24e3ff);
  color: #050711;
  text-decoration: none;
  box-shadow: 0 12px 26px rgba(5, 185, 255, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
              background 200ms ease-out;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(5, 185, 255, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(10, 18, 40, 0.9);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.btn-ghost {
  background: rgba(8, 15, 32, 0.9);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.btn-ghost:hover {
  background: rgba(13, 24, 52, 0.95);
}

.btn.small {
  font-size: 0.8rem;
  padding: 0.35rem 0.9rem;
}

/* Hero */

.hero {
  padding: 3.5rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 2.4rem);
  margin: 0 0 0.75rem;
}

.hero-lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hero-highlights li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-highlights li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

/* Hero panel */

.hero-panel {
  background: radial-gradient(circle at top left, rgba(58, 169, 255, 0.18), transparent 60%),
              radial-gradient(circle at bottom right, rgba(27, 214, 255, 0.16), transparent 55%),
              var(--card-bg);
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(90deg, rgba(3, 16, 40, 0.95), rgba(10, 34, 70, 0.95));
  font-size: 0.85rem;
}

.panel-title {
  font-weight: 500;
}

.panel-tag {
  padding: 0.16rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(58, 169, 255, 0.6);
  background: rgba(10, 28, 64, 0.85);
  font-size: 0.76rem;
  color: var(--accent);
}

.panel-body {
  padding: 0.8rem 1.1rem 0.6rem;
  display: grid;
  gap: 0.4rem;
}

.panel-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  padding: 0.45rem 0.4rem;
  border-radius: 9px;
  background: rgba(8, 14, 30, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-row .label {
  color: var(--text-muted);
}

.panel-row .value {
  text-align: right;
}

.panel-footer {
  padding: 0.7rem 1.1rem 0.9rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Sections */

.section {
  padding: 2.5rem 0;
}

.section-alt {
  background: radial-gradient(circle at top, rgba(39, 65, 120, 0.15), rgba(5, 7, 17, 0.95));
}

.section-header {
  margin-bottom: 1.6rem;
}

.section-eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.section-header h2 {
  margin: 0 0 0.35rem;
  font-size: 1.4rem;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
  max-width: 30rem;
}

/* Cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: rgba(8, 13, 30, 0.96);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.1rem 1.1rem 1.2rem;
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(120deg, rgba(58, 169, 255, 0.09), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

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

.card-meta {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0 0 0.8rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.card-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
}

.card-list li::before {
  content: "▸";
  font-size: 0.7rem;
  margin-top: 0.14rem;
  color: var(--accent);
}

.card.compact {
  padding: 0.9rem 1rem;
}

.card.compact h3 {
  margin-bottom: 0.25rem;
}

/* Cases */

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.1rem;
}

.case-card {
  background: rgba(6, 11, 24, 0.98);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 0.9rem;
  font-size: 0.86rem;
}

.case-card h3 {
  margin: 0 0 0.3rem;
  font-size: 0.95rem;
}

.case-card p {
  margin: 0;
  color: var(--text-muted);
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

.about-grid p {
  color: var(--text-muted);
}

.about-meta {
  background: rgba(8, 13, 30, 0.94);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 0.9rem 1rem;
  font-size: 0.88rem;
  display: grid;
  gap: 0.4rem;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.meta-label {
  color: var(--text-muted);
}

.meta-value {
  text-align: right;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 1.8rem;
  align-items: flex-start;
}

.contact-block {
  background: rgba(8, 13, 30, 0.96);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.1rem;
}

.contact-block h3 {
  margin-top: 0;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.contact-list li {
  margin-bottom: 0.35rem;
}

.contact-list a {
  color: var(--accent);
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

/* Form */

.contact-form {
  background: rgba(8, 13, 30, 0.96);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.1rem 1.2rem;
  box-shadow: var(--shadow-soft);
}

.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.7rem;
}

.form-row label {
  font-size: 0.8rem;
  margin-bottom: 0.2rem;
  color: var(--text-muted);
}

input,
select,
textarea {
  font: inherit;
  color: var(--text-main);
  background: rgba(3, 7, 18, 0.95);
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.4rem 0.6rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
              background 160ms ease-out;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(58, 169, 255, 0.8);
  box-shadow: 0 0 0 1px rgba(58, 169, 255, 0.5);
  background: rgba(6, 12, 28, 0.95);
}

textarea {
  resize: vertical;
}

.form-note {
  margin-top: 0.55rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 2.5rem;
  padding: 1.8rem 0 1rem;
  background: radial-gradient(circle at top, rgba(45, 77, 140, 0.2), #050711);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  font-size: 0.85rem;
  margin-bottom: 0.7rem;
}

.footer-title {
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.footer-heading {
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Responsive */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    order: -1;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .card-grid,
  .card-grid.three,
  .case-grid,
  .about-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 2.5rem;
  }

  .header-inner {
    padding-inline: 1rem;
  }

  .main-nav {
    display: none; /* als je mobiel menu wilt, later uitwerken */
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}