/* Verhaegh & Zn. — dark gray + digital patterns */

:root {
  --gray-950: #0a0a0a;
  --gray-900: #111111;
  --gray-850: #161616;
  --gray-800: #1c1c1c;
  --gray-750: #222222;
  --gray-700: #2e2e2e;
  --gray-600: #454545;
  --gray-500: #737373;
  --gray-400: #a3a3a3;
  --gray-300: #c4c4c4;
  --gray-200: #e0e0e0;
  --gray-100: #ededed;
  --gray-50: #f6f6f6;
  --white: #ffffff;

  --color-bg: var(--gray-950);
  --color-text: var(--gray-100);
  --color-text-muted: var(--gray-400);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", monospace;

  --radius-sm: 4px;
  --radius-md: 6px;

  --header-height: 76px;
  --container: 1080px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--gray-950);
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.025em;
}

p {
  margin: 0;
}

.container {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* ── Patterns ── */

.pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.pattern-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 20%, transparent 78%);
}

.pattern-grid--fine {
  background-size: 24px 24px;
  opacity: 0.7;
  mask-image: none;
}

.pattern-dots {
  background-image: radial-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 70% 60% at 80% 20%, black 10%, transparent 70%);
}

.pattern-dots--dark {
  background-image: radial-gradient(rgba(0, 0, 0, 0.07) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 1;
  mask-image: none;
}

.pattern-cross {
  background-image: url("../assets/pattern-cross.svg");
  background-size: 48px 48px;
  opacity: 0.55;
}

.pattern-noise {
  background-image: url("../assets/pattern-noise.svg");
  background-size: 128px 128px;
  opacity: 0.035;
  mix-blend-mode: overlay;
}

.section-pattern {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.section-pattern--light {
  opacity: 0.9;
}

/* ── Surfaces ── */

.surface-dark {
  background: var(--gray-900);
  color: var(--gray-100);
}

.surface-mid {
  background: var(--gray-850);
  color: var(--gray-100);
}

.surface-deep {
  background: var(--gray-950);
  color: var(--gray-100);
}

.surface-light {
  background: var(--gray-50);
  color: var(--gray-900);
  --color-text: var(--gray-900);
  --color-text-muted: var(--gray-600);
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(0, 0, 0, 0.14);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background: var(--white);
  color: var(--gray-950);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* ── Header ── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), border-color var(--transition);
}

.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.92);
  border-color: rgba(255, 255, 255, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo img {
  display: block;
  height: 2rem;
  width: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  margin-inline: auto;
  background: var(--gray-300);
  transition: transform var(--transition);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.site-nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--gray-400);
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.nav-cta {
  padding: 0.5rem 1rem;
  background: var(--gray-700);
  color: var(--white) !important;
  border: 1px solid var(--gray-600);
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition) !important;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--gray-600);
  border-color: var(--gray-500);
}

/* ── Hero ── */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 3rem) 0 5rem;
  background: var(--gray-950);
  overflow: hidden;
}

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

.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 10%, rgba(255, 255, 255, 0.03), transparent 55%),
    linear-gradient(to bottom, transparent 60%, var(--gray-950) 100%);
}

.hero-inner {
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.eyebrow-line {
  display: block;
  width: 2rem;
  height: 1px;
  background: linear-gradient(90deg, var(--gray-600), transparent);
}

.surface-light .eyebrow {
  color: var(--gray-500);
}

.surface-light .eyebrow-line {
  background: linear-gradient(90deg, var(--gray-400), transparent);
}

.hero h1 {
  max-width: 15ch;
  font-size: clamp(2.35rem, 5vw, 3.65rem);
  font-weight: 600;
  color: var(--white);
}

.text-dim {
  color: var(--gray-500);
}

.hero-lead {
  max-width: 48ch;
  margin-top: 1.75rem;
  font-size: 1.0625rem;
  color: var(--gray-400);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.btn-primary {
  background: var(--gray-200);
  color: var(--gray-950);
  border-color: var(--gray-200);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-300);
  border-color: var(--gray-700);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--gray-500);
  color: var(--white);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 4.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.hero-stats > div {
  padding: 1.35rem 1.5rem;
  border-right: 1px solid var(--color-border);
}

.hero-stats > div:last-child {
  border-right: none;
}

.hero-stats dt {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
}

.hero-stats dd {
  margin: 0.3rem 0 0;
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ── Sections ── */

section {
  position: relative;
  padding: 6rem 0;
}

.section-header {
  max-width: 560px;
  margin-bottom: 3.5rem;
}

.section-header--center {
  max-width: 520px;
  margin-inline: auto;
  text-align: center;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  color: var(--white);
}

.surface-light .section-header h2 {
  color: var(--gray-900);
}

.section-lead {
  margin-top: 1rem;
  font-size: 1rem;
  color: var(--gray-400);
  line-height: 1.65;
}

.surface-light .section-lead {
  color: var(--gray-600);
}

/* ── Services ── */

.services {
  border-top: 1px solid var(--color-border);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.service-card {
  position: relative;
  padding: 2rem 1.75rem 2.25rem;
  background: var(--gray-900);
  transition: background var(--transition);
}

.service-card:hover {
  background: var(--gray-850);
}

.service-index {
  display: block;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--gray-600);
}

.service-icon {
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 1rem;
  color: var(--gray-400);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.65rem;
  color: var(--white);
}

.service-card > p {
  font-size: 0.9rem;
  color: var(--gray-400);
  margin-bottom: 1.25rem;
}

.service-card ul {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.service-card li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-500);
  padding-left: 0;
}

.service-card li::before {
  content: "· ";
  color: var(--gray-600);
}

/* ── About ── */

.about {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4rem;
  align-items: start;
}

.about-intro h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  margin-bottom: 1.25rem;
  color: var(--gray-900);
}

.about-intro p + p {
  margin-top: 1rem;
  color: var(--gray-600);
}

.team-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.team-card {
  padding: 1.75rem;
  background: var(--white);
}

.team-photo {
  width: 5.5rem;
  height: 5.5rem;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--gray-200);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

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

.team-photo--michel img {
  object-position: center 20%;
}

.team-photo--bart img {
  object-position: center 18%;
  transform: scale(1.45);
  transform-origin: center 22%;
}

.team-card h3 {
  font-size: 1.05rem;
  color: var(--gray-900);
}

.team-role {
  margin: 0.3rem 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.team-card p:last-of-type:not(.team-role) {
  font-size: 0.9rem;
  color: var(--gray-600);
}

.team-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--gray-500);
  text-decoration: underline;
  text-decoration-color: rgba(0, 0, 0, 0.15);
  text-underline-offset: 3px;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.team-link:hover,
.team-link:focus-visible {
  color: var(--gray-900);
  text-decoration-color: var(--gray-400);
}

/* ── Clients ── */

.clients {
  border-top: 1px solid var(--color-border);
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.client-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  padding: 1.65rem 1.75rem;
  background: var(--gray-850);
  text-align: left;
  transition: background var(--transition);
}

.client-card:hover {
  background: var(--gray-800);
}

.client-card--upcoming {
  background: var(--gray-900);
}

.client-card--upcoming .client-name {
  color: var(--gray-400);
}

.client-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
}

.client-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.client-desc {
  margin-top: 0.35rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--gray-400);
}

.client-desc a {
  color: var(--gray-200);
  text-decoration: underline;
  text-decoration-color: var(--gray-600);
  text-underline-offset: 2px;
  transition: text-decoration-color var(--transition), color var(--transition);
}

.client-desc a:hover,
.client-desc a:focus-visible {
  color: var(--white);
  text-decoration-color: var(--gray-400);
}

.client-grid .client-card:nth-child(7) {
  grid-column: 1 / -1;
}

/* ── Tech ── */

.tech {
  padding: 4.5rem 0;
  border-top: 1px solid var(--color-border);
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  max-width: 680px;
  margin-inline: auto;
}

.tech-list li {
  padding: 0.45rem 0.85rem;
  background: var(--gray-850);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-400);
  transition: border-color var(--transition), color var(--transition);
}

.tech-list li:hover {
  border-color: var(--gray-600);
  color: var(--gray-200);
}

/* ── Contact ── */

.contact {
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-copy h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  margin-bottom: 1rem;
  color: var(--white);
}

.contact-copy p {
  color: var(--gray-400);
  max-width: 42ch;
}

.contact-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.contact-link,
.contact-location {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.contact-link {
  transition: background var(--transition);
}

.contact-link:hover,
.contact-link:focus-visible {
  background: rgba(255, 255, 255, 0.03);
}

.contact-location {
  margin: 0;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.contact-value {
  font-size: 0.9375rem;
  color: var(--gray-200);
}

.contact-link .contact-value {
  text-decoration: underline;
  text-decoration-color: var(--gray-700);
  text-underline-offset: 3px;
}

.contact-link:hover .contact-value,
.contact-link:focus-visible .contact-value {
  text-decoration-color: var(--gray-400);
}

/* ── Footer ── */

.site-footer {
  padding: 1.5rem 0 2rem;
  background: var(--gray-950);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.footer-meta p {
  margin: 0;
}

.footer-legal {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--gray-600);
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: var(--gray-300);
}

/* ── Responsive ── */

@media (max-width: 960px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .team-cards {
    grid-template-columns: 1fr;
  }

  .client-grid {
    grid-template-columns: 1fr;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-stats > div {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .hero-stats > div:last-child {
    border-bottom: none;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    padding: 1.25rem 1.5rem 1.5rem;
    background: rgba(10, 10, 10, 0.97);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.28s ease, opacity 0.28s ease, visibility 0.28s;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav li:last-child a {
    border-bottom: none;
    margin-top: 0.5rem;
  }

  .nav-cta {
    text-align: center;
  }

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

  .contact-link,
  .contact-location {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}